;(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){


//
// The shims in this file are not fully implemented shims for the ES5
// features, but do work for the particular usecases there is in
// the other modules.
//

var toString = Object.prototype.toString;
var hasOwnProperty = Object.prototype.hasOwnProperty;

// Array.isArray is supported in IE9
function isArray(xs) {
  return toString.call(xs) === '[object Array]';
}
exports.isArray = typeof Array.isArray === 'function' ? Array.isArray : isArray;

// Array.prototype.indexOf is supported in IE9
exports.indexOf = function indexOf(xs, x) {
  if (xs.indexOf) return xs.indexOf(x);
  for (var i = 0; i < xs.length; i++) {
    if (x === xs[i]) return i;
  }
  return -1;
};

// Array.prototype.filter is supported in IE9
exports.filter = function filter(xs, fn) {
  if (xs.filter) return xs.filter(fn);
  var res = [];
  for (var i = 0; i < xs.length; i++) {
    if (fn(xs[i], i, xs)) res.push(xs[i]);
  }
  return res;
};

// Array.prototype.forEach is supported in IE9
exports.forEach = function forEach(xs, fn, self) {
  if (xs.forEach) return xs.forEach(fn, self);
  for (var i = 0; i < xs.length; i++) {
    fn.call(self, xs[i], i, xs);
  }
};

// Array.prototype.map is supported in IE9
exports.map = function map(xs, fn) {
  if (xs.map) return xs.map(fn);
  var out = new Array(xs.length);
  for (var i = 0; i < xs.length; i++) {
    out[i] = fn(xs[i], i, xs);
  }
  return out;
};

// Array.prototype.reduce is supported in IE9
exports.reduce = function reduce(array, callback, opt_initialValue) {
  if (array.reduce) return array.reduce(callback, opt_initialValue);
  var value, isValueSet = false;

  if (2 < arguments.length) {
    value = opt_initialValue;
    isValueSet = true;
  }
  for (var i = 0, l = array.length; l > i; ++i) {
    if (array.hasOwnProperty(i)) {
      if (isValueSet) {
        value = callback(value, array[i], i, array);
      }
      else {
        value = array[i];
        isValueSet = true;
      }
    }
  }

  return value;
};

// String.prototype.substr - negative index don't work in IE8
if ('ab'.substr(-1) !== 'b') {
  exports.substr = function (str, start, length) {
    // did we get a negative start, calculate how much it is from the beginning of the string
    if (start < 0) start = str.length + start;

    // call the original function
    return str.substr(start, length);
  };
} else {
  exports.substr = function (str, start, length) {
    return str.substr(start, length);
  };
}

// String.prototype.trim is supported in IE9
exports.trim = function (str) {
  if (str.trim) return str.trim();
  return str.replace(/^\s+|\s+$/g, '');
};

// Function.prototype.bind is supported in IE9
exports.bind = function () {
  var args = Array.prototype.slice.call(arguments);
  var fn = args.shift();
  if (fn.bind) return fn.bind.apply(fn, args);
  var self = args.shift();
  return function () {
    fn.apply(self, args.concat([Array.prototype.slice.call(arguments)]));
  };
};

// Object.create is supported in IE9
function create(prototype, properties) {
  var object;
  if (prototype === null) {
    object = { '__proto__' : null };
  }
  else {
    if (typeof prototype !== 'object') {
      throw new TypeError(
        'typeof prototype[' + (typeof prototype) + '] != \'object\''
      );
    }
    var Type = function () {};
    Type.prototype = prototype;
    object = new Type();
    object.__proto__ = prototype;
  }
  if (typeof properties !== 'undefined' && Object.defineProperties) {
    Object.defineProperties(object, properties);
  }
  return object;
}
exports.create = typeof Object.create === 'function' ? Object.create : create;

// Object.keys and Object.getOwnPropertyNames is supported in IE9 however
// they do show a description and number property on Error objects
function notObject(object) {
  return ((typeof object != "object" && typeof object != "function") || object === null);
}

function keysShim(object) {
  if (notObject(object)) {
    throw new TypeError("Object.keys called on a non-object");
  }

  var result = [];
  for (var name in object) {
    if (hasOwnProperty.call(object, name)) {
      result.push(name);
    }
  }
  return result;
}

// getOwnPropertyNames is almost the same as Object.keys one key feature
//  is that it returns hidden properties, since that can't be implemented,
//  this feature gets reduced so it just shows the length property on arrays
function propertyShim(object) {
  if (notObject(object)) {
    throw new TypeError("Object.getOwnPropertyNames called on a non-object");
  }

  var result = keysShim(object);
  if (exports.isArray(object) && exports.indexOf(object, 'length') === -1) {
    result.push('length');
  }
  return result;
}

var keys = typeof Object.keys === 'function' ? Object.keys : keysShim;
var getOwnPropertyNames = typeof Object.getOwnPropertyNames === 'function' ?
  Object.getOwnPropertyNames : propertyShim;

if (new Error().hasOwnProperty('description')) {
  var ERROR_PROPERTY_FILTER = function (obj, array) {
    if (toString.call(obj) === '[object Error]') {
      array = exports.filter(array, function (name) {
        return name !== 'description' && name !== 'number' && name !== 'message';
      });
    }
    return array;
  };

  exports.keys = function (object) {
    return ERROR_PROPERTY_FILTER(object, keys(object));
  };
  exports.getOwnPropertyNames = function (object) {
    return ERROR_PROPERTY_FILTER(object, getOwnPropertyNames(object));
  };
} else {
  exports.keys = keys;
  exports.getOwnPropertyNames = getOwnPropertyNames;
}

// Object.getOwnPropertyDescriptor - supported in IE8 but only on dom elements
function valueObject(value, key) {
  return { value: value[key] };
}

if (typeof Object.getOwnPropertyDescriptor === 'function') {
  try {
    Object.getOwnPropertyDescriptor({'a': 1}, 'a');
    exports.getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
  } catch (e) {
    // IE8 dom element issue - use a try catch and default to valueObject
    exports.getOwnPropertyDescriptor = function (value, key) {
      try {
        return Object.getOwnPropertyDescriptor(value, key);
      } catch (e) {
        return valueObject(value, key);
      }
    };
  }
} else {
  exports.getOwnPropertyDescriptor = valueObject;
}

},{}],2:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// a duplex stream is just a stream that is both readable and writable.
// Since JS doesn't have multiple prototypal inheritance, this class
// prototypally inherits from Readable, and then parasitically from
// Writable.

module.exports = Duplex;
var util = require('util');
var shims = require('_shims');
var timers = require('timers');
var Readable = require('_stream_readable');
var Writable = require('_stream_writable');

util.inherits(Duplex, Readable);

shims.forEach(shims.keys(Writable.prototype), function(method) {
  if (!Duplex.prototype[method])
    Duplex.prototype[method] = Writable.prototype[method];
});

function Duplex(options) {
  if (!(this instanceof Duplex))
    return new Duplex(options);

  Readable.call(this, options);
  Writable.call(this, options);

  if (options && options.readable === false)
    this.readable = false;

  if (options && options.writable === false)
    this.writable = false;

  this.allowHalfOpen = true;
  if (options && options.allowHalfOpen === false)
    this.allowHalfOpen = false;

  this.once('end', onend);
}

// the no-half-open enforcer
function onend() {
  // if we allow half-open state, or if the writable side ended,
  // then we're ok.
  if (this.allowHalfOpen || this._writableState.ended)
    return;

  // no more data can be written.
  // But allow more writes to happen in this tick.
  timers.setImmediate(shims.bind(this.end, this));
}

},{"_shims":1,"_stream_readable":4,"_stream_writable":6,"timers":13,"util":14}],3:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// a passthrough stream.
// basically just the most minimal sort of Transform stream.
// Every written chunk gets output as-is.

module.exports = PassThrough;

var Transform = require('_stream_transform');
var util = require('util');
util.inherits(PassThrough, Transform);

function PassThrough(options) {
  if (!(this instanceof PassThrough))
    return new PassThrough(options);

  Transform.call(this, options);
}

PassThrough.prototype._transform = function(chunk, encoding, cb) {
  cb(null, chunk);
};

},{"_stream_transform":5,"util":14}],4:[function(require,module,exports){
var process=require("__browserify_process");// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

module.exports = Readable;
Readable.ReadableState = ReadableState;

var EE = require('events').EventEmitter;
var Stream = require('stream');
var shims = require('_shims');
var Buffer = require('buffer').Buffer;
var timers = require('timers');
var util = require('util');
var StringDecoder;

util.inherits(Readable, Stream);

function ReadableState(options, stream) {
  options = options || {};

  // the point at which it stops calling _read() to fill the buffer
  // Note: 0 is a valid value, means "don't call _read preemptively ever"
  var hwm = options.highWaterMark;
  this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024;

  // cast to ints.
  this.highWaterMark = ~~this.highWaterMark;

  this.buffer = [];
  this.length = 0;
  this.pipes = null;
  this.pipesCount = 0;
  this.flowing = false;
  this.ended = false;
  this.endEmitted = false;
  this.reading = false;

  // In streams that never have any data, and do push(null) right away,
  // the consumer can miss the 'end' event if they do some I/O before
  // consuming the stream.  So, we don't emit('end') until some reading
  // happens.
  this.calledRead = false;

  // a flag to be able to tell if the onwrite cb is called immediately,
  // or on a later tick.  We set this to true at first, becuase any
  // actions that shouldn't happen until "later" should generally also
  // not happen before the first write call.
  this.sync = true;

  // whenever we return null, then we set a flag to say
  // that we're awaiting a 'readable' event emission.
  this.needReadable = false;
  this.emittedReadable = false;
  this.readableListening = false;


  // object stream flag. Used to make read(n) ignore n and to
  // make all the buffer merging and length checks go away
  this.objectMode = !!options.objectMode;

  // Crypto is kind of old and crusty.  Historically, its default string
  // encoding is 'binary' so we have to make this configurable.
  // Everything else in the universe uses 'utf8', though.
  this.defaultEncoding = options.defaultEncoding || 'utf8';

  // when piping, we only care about 'readable' events that happen
  // after read()ing all the bytes and not getting any pushback.
  this.ranOut = false;

  // the number of writers that are awaiting a drain event in .pipe()s
  this.awaitDrain = 0;

  // if true, a maybeReadMore has been scheduled
  this.readingMore = false;

  this.decoder = null;
  this.encoding = null;
  if (options.encoding) {
    if (!StringDecoder)
      StringDecoder = require('string_decoder').StringDecoder;
    this.decoder = new StringDecoder(options.encoding);
    this.encoding = options.encoding;
  }
}

function Readable(options) {
  if (!(this instanceof Readable))
    return new Readable(options);

  this._readableState = new ReadableState(options, this);

  // legacy
  this.readable = true;

  Stream.call(this);
}

// Manually shove something into the read() buffer.
// This returns true if the highWaterMark has not been hit yet,
// similar to how Writable.write() returns true if you should
// write() some more.
Readable.prototype.push = function(chunk, encoding) {
  var state = this._readableState;

  if (typeof chunk === 'string' && !state.objectMode) {
    encoding = encoding || state.defaultEncoding;
    if (encoding !== state.encoding) {
      chunk = new Buffer(chunk, encoding);
      encoding = '';
    }
  }

  return readableAddChunk(this, state, chunk, encoding, false);
};

// Unshift should *always* be something directly out of read()
Readable.prototype.unshift = function(chunk) {
  var state = this._readableState;
  return readableAddChunk(this, state, chunk, '', true);
};

function readableAddChunk(stream, state, chunk, encoding, addToFront) {
  var er = chunkInvalid(state, chunk);
  if (er) {
    stream.emit('error', er);
  } else if (chunk === null || chunk === undefined) {
    state.reading = false;
    if (!state.ended)
      onEofChunk(stream, state);
  } else if (state.objectMode || chunk && chunk.length > 0) {
    if (state.ended && !addToFront) {
      var e = new Error('stream.push() after EOF');
      stream.emit('error', e);
    } else if (state.endEmitted && addToFront) {
      var e = new Error('stream.unshift() after end event');
      stream.emit('error', e);
    } else {
      if (state.decoder && !addToFront && !encoding)
        chunk = state.decoder.write(chunk);

      // update the buffer info.
      state.length += state.objectMode ? 1 : chunk.length;
      if (addToFront) {
        state.buffer.unshift(chunk);
      } else {
        state.reading = false;
        state.buffer.push(chunk);
      }

      if (state.needReadable)
        emitReadable(stream);

      maybeReadMore(stream, state);
    }
  } else if (!addToFront) {
    state.reading = false;
  }

  return needMoreData(state);
}



// if it's past the high water mark, we can push in some more.
// Also, if we have no data yet, we can stand some
// more bytes.  This is to work around cases where hwm=0,
// such as the repl.  Also, if the push() triggered a
// readable event, and the user called read(largeNumber) such that
// needReadable was set, then we ought to push more, so that another
// 'readable' event will be triggered.
function needMoreData(state) {
  return !state.ended &&
         (state.needReadable ||
          state.length < state.highWaterMark ||
          state.length === 0);
}

// backwards compatibility.
Readable.prototype.setEncoding = function(enc) {
  if (!StringDecoder)
    StringDecoder = require('string_decoder').StringDecoder;
  this._readableState.decoder = new StringDecoder(enc);
  this._readableState.encoding = enc;
};

// Don't raise the hwm > 128MB
var MAX_HWM = 0x800000;
function roundUpToNextPowerOf2(n) {
  if (n >= MAX_HWM) {
    n = MAX_HWM;
  } else {
    // Get the next highest power of 2
    n--;
    for (var p = 1; p < 32; p <<= 1) n |= n >> p;
    n++;
  }
  return n;
}

function howMuchToRead(n, state) {
  if (state.length === 0 && state.ended)
    return 0;

  if (state.objectMode)
    return n === 0 ? 0 : 1;

  if (isNaN(n) || n === null) {
    // only flow one buffer at a time
    if (state.flowing && state.buffer.length)
      return state.buffer[0].length;
    else
      return state.length;
  }

  if (n <= 0)
    return 0;

  // If we're asking for more than the target buffer level,
  // then raise the water mark.  Bump up to the next highest
  // power of 2, to prevent increasing it excessively in tiny
  // amounts.
  if (n > state.highWaterMark)
    state.highWaterMark = roundUpToNextPowerOf2(n);

  // don't have that much.  return null, unless we've ended.
  if (n > state.length) {
    if (!state.ended) {
      state.needReadable = true;
      return 0;
    } else
      return state.length;
  }

  return n;
}

// you can override either this method, or the async _read(n) below.
Readable.prototype.read = function(n) {
  var state = this._readableState;
  state.calledRead = true;
  var nOrig = n;

  if (typeof n !== 'number' || n > 0)
    state.emittedReadable = false;

  // if we're doing read(0) to trigger a readable event, but we
  // already have a bunch of data in the buffer, then just trigger
  // the 'readable' event and move on.
  if (n === 0 &&
      state.needReadable &&
      (state.length >= state.highWaterMark || state.ended)) {
    emitReadable(this);
    return null;
  }

  n = howMuchToRead(n, state);

  // if we've ended, and we're now clear, then finish it up.
  if (n === 0 && state.ended) {
    if (state.length === 0)
      endReadable(this);
    return null;
  }

  // All the actual chunk generation logic needs to be
  // *below* the call to _read.  The reason is that in certain
  // synthetic stream cases, such as passthrough streams, _read
  // may be a completely synchronous operation which may change
  // the state of the read buffer, providing enough data when
  // before there was *not* enough.
  //
  // So, the steps are:
  // 1. Figure out what the state of things will be after we do
  // a read from the buffer.
  //
  // 2. If that resulting state will trigger a _read, then call _read.
  // Note that this may be asynchronous, or synchronous.  Yes, it is
  // deeply ugly to write APIs this way, but that still doesn't mean
  // that the Readable class should behave improperly, as streams are
  // designed to be sync/async agnostic.
  // Take note if the _read call is sync or async (ie, if the read call
  // has returned yet), so that we know whether or not it's safe to emit
  // 'readable' etc.
  //
  // 3. Actually pull the requested chunks out of the buffer and return.

  // if we need a readable event, then we need to do some reading.
  var doRead = state.needReadable;

  // if we currently have less than the highWaterMark, then also read some
  if (state.length - n <= state.highWaterMark)
    doRead = true;

  // however, if we've ended, then there's no point, and if we're already
  // reading, then it's unnecessary.
  if (state.ended || state.reading)
    doRead = false;

  if (doRead) {
    state.reading = true;
    state.sync = true;
    // if the length is currently zero, then we *need* a readable event.
    if (state.length === 0)
      state.needReadable = true;
    // call internal read method
    this._read(state.highWaterMark);
    state.sync = false;
  }

  // If _read called its callback synchronously, then `reading`
  // will be false, and we need to re-evaluate how much data we
  // can return to the user.
  if (doRead && !state.reading)
    n = howMuchToRead(nOrig, state);

  var ret;
  if (n > 0)
    ret = fromList(n, state);
  else
    ret = null;

  if (ret === null) {
    state.needReadable = true;
    n = 0;
  }

  state.length -= n;

  // If we have nothing in the buffer, then we want to know
  // as soon as we *do* get something into the buffer.
  if (state.length === 0 && !state.ended)
    state.needReadable = true;

  // If we happened to read() exactly the remaining amount in the
  // buffer, and the EOF has been seen at this point, then make sure
  // that we emit 'end' on the very next tick.
  if (state.ended && !state.endEmitted && state.length === 0)
    endReadable(this);

  return ret;
};

function chunkInvalid(state, chunk) {
  var er = null;
  if (!Buffer.isBuffer(chunk) &&
      'string' !== typeof chunk &&
      chunk !== null &&
      chunk !== undefined &&
      !state.objectMode &&
      !er) {
    er = new TypeError('Invalid non-string/buffer chunk');
  }
  return er;
}


function onEofChunk(stream, state) {
  if (state.decoder && !state.ended) {
    var chunk = state.decoder.end();
    if (chunk && chunk.length) {
      state.buffer.push(chunk);
      state.length += state.objectMode ? 1 : chunk.length;
    }
  }
  state.ended = true;

  // if we've ended and we have some data left, then emit
  // 'readable' now to make sure it gets picked up.
  if (state.length > 0)
    emitReadable(stream);
  else
    endReadable(stream);
}

// Don't emit readable right away in sync mode, because this can trigger
// another read() call => stack overflow.  This way, it might trigger
// a nextTick recursion warning, but that's not so bad.
function emitReadable(stream) {
  var state = stream._readableState;
  state.needReadable = false;
  if (state.emittedReadable)
    return;

  state.emittedReadable = true;
  if (state.sync)
    timers.setImmediate(function() {
      emitReadable_(stream);
    });
  else
    emitReadable_(stream);
}

function emitReadable_(stream) {
  stream.emit('readable');
}


// at this point, the user has presumably seen the 'readable' event,
// and called read() to consume some data.  that may have triggered
// in turn another _read(n) call, in which case reading = true if
// it's in progress.
// However, if we're not ended, or reading, and the length < hwm,
// then go ahead and try to read some more preemptively.
function maybeReadMore(stream, state) {
  if (!state.readingMore) {
    state.readingMore = true;
    timers.setImmediate(function() {
      maybeReadMore_(stream, state);
    });
  }
}

function maybeReadMore_(stream, state) {
  var len = state.length;
  while (!state.reading && !state.flowing && !state.ended &&
         state.length < state.highWaterMark) {
    stream.read(0);
    if (len === state.length)
      // didn't get any data, stop spinning.
      break;
    else
      len = state.length;
  }
  state.readingMore = false;
}

// abstract method.  to be overridden in specific implementation classes.
// call cb(er, data) where data is <= n in length.
// for virtual (non-string, non-buffer) streams, "length" is somewhat
// arbitrary, and perhaps not very meaningful.
Readable.prototype._read = function(n) {
  this.emit('error', new Error('not implemented'));
};

Readable.prototype.pipe = function(dest, pipeOpts) {
  var src = this;
  var state = this._readableState;

  switch (state.pipesCount) {
    case 0:
      state.pipes = dest;
      break;
    case 1:
      state.pipes = [state.pipes, dest];
      break;
    default:
      state.pipes.push(dest);
      break;
  }
  state.pipesCount += 1;

  var doEnd = (!pipeOpts || pipeOpts.end !== false) &&
              dest !== process.stdout &&
              dest !== process.stderr;

  var endFn = doEnd ? onend : cleanup;
  if (state.endEmitted)
    timers.setImmediate(endFn);
  else
    src.once('end', endFn);

  dest.on('unpipe', onunpipe);
  function onunpipe(readable) {
    if (readable !== src) return;
    cleanup();
  }

  function onend() {
    dest.end();
  }

  // when the dest drains, it reduces the awaitDrain counter
  // on the source.  This would be more elegant with a .once()
  // handler in flow(), but adding and removing repeatedly is
  // too slow.
  var ondrain = pipeOnDrain(src);
  dest.on('drain', ondrain);

  function cleanup() {
    // cleanup event handlers once the pipe is broken
    dest.removeListener('close', onclose);
    dest.removeListener('finish', onfinish);
    dest.removeListener('drain', ondrain);
    dest.removeListener('error', onerror);
    dest.removeListener('unpipe', onunpipe);
    src.removeListener('end', onend);
    src.removeListener('end', cleanup);

    // if the reader is waiting for a drain event from this
    // specific writer, then it would cause it to never start
    // flowing again.
    // So, if this is awaiting a drain, then we just call it now.
    // If we don't know, then assume that we are waiting for one.
    if (!dest._writableState || dest._writableState.needDrain)
      ondrain();
  }

  // if the dest has an error, then stop piping into it.
  // however, don't suppress the throwing behavior for this.
  // check for listeners before emit removes one-time listeners.
  var errListeners = EE.listenerCount(dest, 'error');
  function onerror(er) {
    unpipe();
    if (errListeners === 0 && EE.listenerCount(dest, 'error') === 0)
      dest.emit('error', er);
  }
  dest.once('error', onerror);

  // Both close and finish should trigger unpipe, but only once.
  function onclose() {
    dest.removeListener('finish', onfinish);
    unpipe();
  }
  dest.once('close', onclose);
  function onfinish() {
    dest.removeListener('close', onclose);
    unpipe();
  }
  dest.once('finish', onfinish);

  function unpipe() {
    src.unpipe(dest);
  }

  // tell the dest that it's being piped to
  dest.emit('pipe', src);

  // start the flow if it hasn't been started already.
  if (!state.flowing) {
    // the handler that waits for readable events after all
    // the data gets sucked out in flow.
    // This would be easier to follow with a .once() handler
    // in flow(), but that is too slow.
    this.on('readable', pipeOnReadable);

    state.flowing = true;
    timers.setImmediate(function() {
      flow(src);
    });
  }

  return dest;
};

function pipeOnDrain(src) {
  return function() {
    var dest = this;
    var state = src._readableState;
    state.awaitDrain--;
    if (state.awaitDrain === 0)
      flow(src);
  };
}

function flow(src) {
  var state = src._readableState;
  var chunk;
  state.awaitDrain = 0;

  function write(dest, i, list) {
    var written = dest.write(chunk);
    if (false === written) {
      state.awaitDrain++;
    }
  }

  while (state.pipesCount && null !== (chunk = src.read())) {

    if (state.pipesCount === 1)
      write(state.pipes, 0, null);
    else
      shims.forEach(state.pipes, write);

    src.emit('data', chunk);

    // if anyone needs a drain, then we have to wait for that.
    if (state.awaitDrain > 0)
      return;
  }

  // if every destination was unpiped, either before entering this
  // function, or in the while loop, then stop flowing.
  //
  // NB: This is a pretty rare edge case.
  if (state.pipesCount === 0) {
    state.flowing = false;

    // if there were data event listeners added, then switch to old mode.
    if (EE.listenerCount(src, 'data') > 0)
      emitDataEvents(src);
    return;
  }

  // at this point, no one needed a drain, so we just ran out of data
  // on the next readable event, start it over again.
  state.ranOut = true;
}

function pipeOnReadable() {
  if (this._readableState.ranOut) {
    this._readableState.ranOut = false;
    flow(this);
  }
}


Readable.prototype.unpipe = function(dest) {
  var state = this._readableState;

  // if we're not piping anywhere, then do nothing.
  if (state.pipesCount === 0)
    return this;

  // just one destination.  most common case.
  if (state.pipesCount === 1) {
    // passed in one, but it's not the right one.
    if (dest && dest !== state.pipes)
      return this;

    if (!dest)
      dest = state.pipes;

    // got a match.
    state.pipes = null;
    state.pipesCount = 0;
    this.removeListener('readable', pipeOnReadable);
    state.flowing = false;
    if (dest)
      dest.emit('unpipe', this);
    return this;
  }

  // slow case. multiple pipe destinations.

  if (!dest) {
    // remove all.
    var dests = state.pipes;
    var len = state.pipesCount;
    state.pipes = null;
    state.pipesCount = 0;
    this.removeListener('readable', pipeOnReadable);
    state.flowing = false;

    for (var i = 0; i < len; i++)
      dests[i].emit('unpipe', this);
    return this;
  }

  // try to find the right one.
  var i = shims.indexOf(state.pipes, dest);
  if (i === -1)
    return this;

  state.pipes.splice(i, 1);
  state.pipesCount -= 1;
  if (state.pipesCount === 1)
    state.pipes = state.pipes[0];

  dest.emit('unpipe', this);

  return this;
};

// set up data events if they are asked for
// Ensure readable listeners eventually get something
Readable.prototype.on = function(ev, fn) {
  var res = Stream.prototype.on.call(this, ev, fn);

  if (ev === 'data' && !this._readableState.flowing)
    emitDataEvents(this);

  if (ev === 'readable' && this.readable) {
    var state = this._readableState;
    if (!state.readableListening) {
      state.readableListening = true;
      state.emittedReadable = false;
      state.needReadable = true;
      if (!state.reading) {
        this.read(0);
      } else if (state.length) {
        emitReadable(this, state);
      }
    }
  }

  return res;
};
Readable.prototype.addListener = Readable.prototype.on;

// pause() and resume() are remnants of the legacy readable stream API
// If the user uses them, then switch into old mode.
Readable.prototype.resume = function() {
  emitDataEvents(this);
  this.read(0);
  this.emit('resume');
};

Readable.prototype.pause = function() {
  emitDataEvents(this, true);
  this.emit('pause');
};

function emitDataEvents(stream, startPaused) {
  var state = stream._readableState;

  if (state.flowing) {
    // https://github.com/isaacs/readable-stream/issues/16
    throw new Error('Cannot switch to old mode now.');
  }

  var paused = startPaused || false;
  var readable = false;

  // convert to an old-style stream.
  stream.readable = true;
  stream.pipe = Stream.prototype.pipe;
  stream.on = stream.addListener = Stream.prototype.on;

  stream.on('readable', function() {
    readable = true;

    var c;
    while (!paused && (null !== (c = stream.read())))
      stream.emit('data', c);

    if (c === null) {
      readable = false;
      stream._readableState.needReadable = true;
    }
  });

  stream.pause = function() {
    paused = true;
    this.emit('pause');
  };

  stream.resume = function() {
    paused = false;
    if (readable)
      timers.setImmediate(function() {
        stream.emit('readable');
      });
    else
      this.read(0);
    this.emit('resume');
  };

  // now make it start, just in case it hadn't already.
  stream.emit('readable');
}

// wrap an old-style stream as the async data source.
// This is *not* part of the readable stream interface.
// It is an ugly unfortunate mess of history.
Readable.prototype.wrap = function(stream) {
  var state = this._readableState;
  var paused = false;

  var self = this;
  stream.on('end', function() {
    if (state.decoder && !state.ended) {
      var chunk = state.decoder.end();
      if (chunk && chunk.length)
        self.push(chunk);
    }

    self.push(null);
  });

  stream.on('data', function(chunk) {
    if (state.decoder)
      chunk = state.decoder.write(chunk);
    if (!chunk || !state.objectMode && !chunk.length)
      return;

    var ret = self.push(chunk);
    if (!ret) {
      paused = true;
      stream.pause();
    }
  });

  // proxy all the other methods.
  // important when wrapping filters and duplexes.
  for (var i in stream) {
    if (typeof stream[i] === 'function' &&
        typeof this[i] === 'undefined') {
      this[i] = function(method) { return function() {
        return stream[method].apply(stream, arguments);
      }}(i);
    }
  }

  // proxy certain important events.
  var events = ['error', 'close', 'destroy', 'pause', 'resume'];
  shims.forEach(events, function(ev) {
    stream.on(ev, shims.bind(self.emit, self, ev));
  });

  // when we try to consume some more bytes, simply unpause the
  // underlying stream.
  self._read = function(n) {
    if (paused) {
      paused = false;
      stream.resume();
    }
  };

  return self;
};



// exposed for testing purposes only.
Readable._fromList = fromList;

// Pluck off n bytes from an array of buffers.
// Length is the combined lengths of all the buffers in the list.
function fromList(n, state) {
  var list = state.buffer;
  var length = state.length;
  var stringMode = !!state.decoder;
  var objectMode = !!state.objectMode;
  var ret;

  // nothing in the list, definitely empty.
  if (list.length === 0)
    return null;

  if (length === 0)
    ret = null;
  else if (objectMode)
    ret = list.shift();
  else if (!n || n >= length) {
    // read it all, truncate the array.
    if (stringMode)
      ret = list.join('');
    else
      ret = Buffer.concat(list, length);
    list.length = 0;
  } else {
    // read just some of it.
    if (n < list[0].length) {
      // just take a part of the first list item.
      // slice is the same for buffers and strings.
      var buf = list[0];
      ret = buf.slice(0, n);
      list[0] = buf.slice(n);
    } else if (n === list[0].length) {
      // first list is a perfect match
      ret = list.shift();
    } else {
      // complex case.
      // we have enough to cover it, but it spans past the first buffer.
      if (stringMode)
        ret = '';
      else
        ret = new Buffer(n);

      var c = 0;
      for (var i = 0, l = list.length; i < l && c < n; i++) {
        var buf = list[0];
        var cpy = Math.min(n - c, buf.length);

        if (stringMode)
          ret += buf.slice(0, cpy);
        else
          buf.copy(ret, c, 0, cpy);

        if (cpy < buf.length)
          list[0] = buf.slice(cpy);
        else
          list.shift();

        c += cpy;
      }
    }
  }

  return ret;
}

function endReadable(stream) {
  var state = stream._readableState;

  // If we get here before consuming all the bytes, then that is a
  // bug in node.  Should never happen.
  if (state.length > 0)
    throw new Error('endReadable called on non-empty stream');

  if (!state.endEmitted && state.calledRead) {
    state.ended = true;
    timers.setImmediate(function() {
      // Check that we didn't get one last unshift.
      if (!state.endEmitted && state.length === 0) {
        state.endEmitted = true;
        stream.readable = false;
        stream.emit('end');
      }
    });
  }
}

},{"__browserify_process":21,"_shims":1,"buffer":16,"events":8,"stream":11,"string_decoder":12,"timers":13,"util":14}],5:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// a transform stream is a readable/writable stream where you do
// something with the data.  Sometimes it's called a "filter",
// but that's not a great name for it, since that implies a thing where
// some bits pass through, and others are simply ignored.  (That would
// be a valid example of a transform, of course.)
//
// While the output is causally related to the input, it's not a
// necessarily symmetric or synchronous transformation.  For example,
// a zlib stream might take multiple plain-text writes(), and then
// emit a single compressed chunk some time in the future.
//
// Here's how this works:
//
// The Transform stream has all the aspects of the readable and writable
// stream classes.  When you write(chunk), that calls _write(chunk,cb)
// internally, and returns false if there's a lot of pending writes
// buffered up.  When you call read(), that calls _read(n) until
// there's enough pending readable data buffered up.
//
// In a transform stream, the written data is placed in a buffer.  When
// _read(n) is called, it transforms the queued up data, calling the
// buffered _write cb's as it consumes chunks.  If consuming a single
// written chunk would result in multiple output chunks, then the first
// outputted bit calls the readcb, and subsequent chunks just go into
// the read buffer, and will cause it to emit 'readable' if necessary.
//
// This way, back-pressure is actually determined by the reading side,
// since _read has to be called to start processing a new chunk.  However,
// a pathological inflate type of transform can cause excessive buffering
// here.  For example, imagine a stream where every byte of input is
// interpreted as an integer from 0-255, and then results in that many
// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
// 1kb of data being output.  In this case, you could write a very small
// amount of input, and end up with a very large amount of output.  In
// such a pathological inflating mechanism, there'd be no way to tell
// the system to stop doing the transform.  A single 4MB write could
// cause the system to run out of memory.
//
// However, even in such a pathological case, only a single written chunk
// would be consumed, and then the rest would wait (un-transformed) until
// the results of the previous transformed chunk were consumed.

module.exports = Transform;

var Duplex = require('_stream_duplex');
var util = require('util');
util.inherits(Transform, Duplex);


function TransformState(options, stream) {
  this.afterTransform = function(er, data) {
    return afterTransform(stream, er, data);
  };

  this.needTransform = false;
  this.transforming = false;
  this.writecb = null;
  this.writechunk = null;
}

function afterTransform(stream, er, data) {
  var ts = stream._transformState;
  ts.transforming = false;

  var cb = ts.writecb;

  if (!cb)
    return stream.emit('error', new Error('no writecb in Transform class'));

  ts.writechunk = null;
  ts.writecb = null;

  if (data !== null && data !== undefined)
    stream.push(data);

  if (cb)
    cb(er);

  var rs = stream._readableState;
  rs.reading = false;
  if (rs.needReadable || rs.length < rs.highWaterMark) {
    stream._read(rs.highWaterMark);
  }
}


function Transform(options) {
  if (!(this instanceof Transform))
    return new Transform(options);

  Duplex.call(this, options);

  var ts = this._transformState = new TransformState(options, this);

  // when the writable side finishes, then flush out anything remaining.
  var stream = this;

  // start out asking for a readable event once data is transformed.
  this._readableState.needReadable = true;

  // we have implemented the _read method, and done the other things
  // that Readable wants before the first _read call, so unset the
  // sync guard flag.
  this._readableState.sync = false;

  this.once('finish', function() {
    if ('function' === typeof this._flush)
      this._flush(function(er) {
        done(stream, er);
      });
    else
      done(stream);
  });
}

Transform.prototype.push = function(chunk, encoding) {
  this._transformState.needTransform = false;
  return Duplex.prototype.push.call(this, chunk, encoding);
};

// This is the part where you do stuff!
// override this function in implementation classes.
// 'chunk' is an input chunk.
//
// Call `push(newChunk)` to pass along transformed output
// to the readable side.  You may call 'push' zero or more times.
//
// Call `cb(err)` when you are done with this chunk.  If you pass
// an error, then that'll put the hurt on the whole operation.  If you
// never call cb(), then you'll never get another chunk.
Transform.prototype._transform = function(chunk, encoding, cb) {
  throw new Error('not implemented');
};

Transform.prototype._write = function(chunk, encoding, cb) {
  var ts = this._transformState;
  ts.writecb = cb;
  ts.writechunk = chunk;
  ts.writeencoding = encoding;
  if (!ts.transforming) {
    var rs = this._readableState;
    if (ts.needTransform ||
        rs.needReadable ||
        rs.length < rs.highWaterMark)
      this._read(rs.highWaterMark);
  }
};

// Doesn't matter what the args are here.
// _transform does all the work.
// That we got here means that the readable side wants more data.
Transform.prototype._read = function(n) {
  var ts = this._transformState;

  if (ts.writechunk && ts.writecb && !ts.transforming) {
    ts.transforming = true;
    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
  } else {
    // mark that we need a transform, so that any data that comes in
    // will get processed, now that we've asked for it.
    ts.needTransform = true;
  }
};


function done(stream, er) {
  if (er)
    return stream.emit('error', er);

  // if there's nothing in the write buffer, then that means
  // that nothing more will ever be provided
  var ws = stream._writableState;
  var rs = stream._readableState;
  var ts = stream._transformState;

  if (ws.length)
    throw new Error('calling transform done when ws.length != 0');

  if (ts.transforming)
    throw new Error('calling transform done when still transforming');

  return stream.push(null);
}

},{"_stream_duplex":2,"util":14}],6:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// A bit simpler than readable streams.
// Implement an async ._write(chunk, cb), and it'll handle all
// the drain event emission and buffering.

module.exports = Writable;
Writable.WritableState = WritableState;

var util = require('util');
var Stream = require('stream');
var timers = require('timers');
var Buffer = require('buffer').Buffer;

util.inherits(Writable, Stream);

function WriteReq(chunk, encoding, cb) {
  this.chunk = chunk;
  this.encoding = encoding;
  this.callback = cb;
}

function WritableState(options, stream) {
  options = options || {};

  // the point at which write() starts returning false
  // Note: 0 is a valid value, means that we always return false if
  // the entire buffer is not flushed immediately on write()
  var hwm = options.highWaterMark;
  this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024;

  // object stream flag to indicate whether or not this stream
  // contains buffers or objects.
  this.objectMode = !!options.objectMode;

  // cast to ints.
  this.highWaterMark = ~~this.highWaterMark;

  this.needDrain = false;
  // at the start of calling end()
  this.ending = false;
  // when end() has been called, and returned
  this.ended = false;
  // when 'finish' is emitted
  this.finished = false;

  // should we decode strings into buffers before passing to _write?
  // this is here so that some node-core streams can optimize string
  // handling at a lower level.
  var noDecode = options.decodeStrings === false;
  this.decodeStrings = !noDecode;

  // Crypto is kind of old and crusty.  Historically, its default string
  // encoding is 'binary' so we have to make this configurable.
  // Everything else in the universe uses 'utf8', though.
  this.defaultEncoding = options.defaultEncoding || 'utf8';

  // not an actual buffer we keep track of, but a measurement
  // of how much we're waiting to get pushed to some underlying
  // socket or file.
  this.length = 0;

  // a flag to see when we're in the middle of a write.
  this.writing = false;

  // a flag to be able to tell if the onwrite cb is called immediately,
  // or on a later tick.  We set this to true at first, becuase any
  // actions that shouldn't happen until "later" should generally also
  // not happen before the first write call.
  this.sync = true;

  // a flag to know if we're processing previously buffered items, which
  // may call the _write() callback in the same tick, so that we don't
  // end up in an overlapped onwrite situation.
  this.bufferProcessing = false;

  // the callback that's passed to _write(chunk,cb)
  this.onwrite = function(er) {
    onwrite(stream, er);
  };

  // the callback that the user supplies to write(chunk,encoding,cb)
  this.writecb = null;

  // the amount that is being written when _write is called.
  this.writelen = 0;

  this.buffer = [];
}

function Writable(options) {
  // Writable ctor is applied to Duplexes, though they're not
  // instanceof Writable, they're instanceof Readable.
  if (!(this instanceof Writable) && !(this instanceof Stream.Duplex))
    return new Writable(options);

  this._writableState = new WritableState(options, this);

  // legacy.
  this.writable = true;

  Stream.call(this);
}

// Otherwise people can pipe Writable streams, which is just wrong.
Writable.prototype.pipe = function() {
  this.emit('error', new Error('Cannot pipe. Not readable.'));
};


function writeAfterEnd(stream, state, cb) {
  var er = new Error('write after end');
  // TODO: defer error events consistently everywhere, not just the cb
  stream.emit('error', er);
  timers.setImmediate(function() {
    cb(er);
  });
}

// If we get something that is not a buffer, string, null, or undefined,
// and we're not in objectMode, then that's an error.
// Otherwise stream chunks are all considered to be of length=1, and the
// watermarks determine how many objects to keep in the buffer, rather than
// how many bytes or characters.
function validChunk(stream, state, chunk, cb) {
  var valid = true;
  if (!Buffer.isBuffer(chunk) &&
      'string' !== typeof chunk &&
      chunk !== null &&
      chunk !== undefined &&
      !state.objectMode) {
    var er = new TypeError('Invalid non-string/buffer chunk');
    stream.emit('error', er);
    timers.setImmediate(function() {
      cb(er);
    });
    valid = false;
  }
  return valid;
}

Writable.prototype.write = function(chunk, encoding, cb) {
  var state = this._writableState;
  var ret = false;

  if (typeof encoding === 'function') {
    cb = encoding;
    encoding = null;
  }

  if (Buffer.isBuffer(chunk))
    encoding = 'buffer';
  else if (!encoding)
    encoding = state.defaultEncoding;

  if (typeof cb !== 'function')
    cb = function() {};

  if (state.ended)
    writeAfterEnd(this, state, cb);
  else if (validChunk(this, state, chunk, cb))
    ret = writeOrBuffer(this, state, chunk, encoding, cb);

  return ret;
};

function decodeChunk(state, chunk, encoding) {
  if (!state.objectMode &&
      state.decodeStrings !== false &&
      typeof chunk === 'string') {
    chunk = new Buffer(chunk, encoding);
  }
  return chunk;
}

// if we're already writing something, then just put this
// in the queue, and wait our turn.  Otherwise, call _write
// If we return false, then we need a drain event, so set that flag.
function writeOrBuffer(stream, state, chunk, encoding, cb) {
  chunk = decodeChunk(state, chunk, encoding);
  var len = state.objectMode ? 1 : chunk.length;

  state.length += len;

  var ret = state.length < state.highWaterMark;
  state.needDrain = !ret;

  if (state.writing)
    state.buffer.push(new WriteReq(chunk, encoding, cb));
  else
    doWrite(stream, state, len, chunk, encoding, cb);

  return ret;
}

function doWrite(stream, state, len, chunk, encoding, cb) {
  state.writelen = len;
  state.writecb = cb;
  state.writing = true;
  state.sync = true;
  stream._write(chunk, encoding, state.onwrite);
  state.sync = false;
}

function onwriteError(stream, state, sync, er, cb) {
  if (sync)
    timers.setImmediate(function() {
      cb(er);
    });
  else
    cb(er);

  stream.emit('error', er);
}

function onwriteStateUpdate(state) {
  state.writing = false;
  state.writecb = null;
  state.length -= state.writelen;
  state.writelen = 0;
}

function onwrite(stream, er) {
  var state = stream._writableState;
  var sync = state.sync;
  var cb = state.writecb;

  onwriteStateUpdate(state);

  if (er)
    onwriteError(stream, state, sync, er, cb);
  else {
    // Check if we're actually ready to finish, but don't emit yet
    var finished = needFinish(stream, state);

    if (!finished && !state.bufferProcessing && state.buffer.length)
      clearBuffer(stream, state);

    if (sync) {
      timers.setImmediate(function() {
        afterWrite(stream, state, finished, cb);
      });
    } else {
      afterWrite(stream, state, finished, cb);
    }
  }
}

function afterWrite(stream, state, finished, cb) {
  if (!finished)
    onwriteDrain(stream, state);
  cb();
  if (finished)
    finishMaybe(stream, state);
}

// Must force callback to be called on nextTick, so that we don't
// emit 'drain' before the write() consumer gets the 'false' return
// value, and has a chance to attach a 'drain' listener.
function onwriteDrain(stream, state) {
  if (state.length === 0 && state.needDrain) {
    state.needDrain = false;
    stream.emit('drain');
  }
}


// if there's something in the buffer waiting, then process it
function clearBuffer(stream, state) {
  state.bufferProcessing = true;

  for (var c = 0; c < state.buffer.length; c++) {
    var entry = state.buffer[c];
    var chunk = entry.chunk;
    var encoding = entry.encoding;
    var cb = entry.callback;
    var len = state.objectMode ? 1 : chunk.length;

    doWrite(stream, state, len, chunk, encoding, cb);

    // if we didn't call the onwrite immediately, then
    // it means that we need to wait until it does.
    // also, that means that the chunk and cb are currently
    // being processed, so move the buffer counter past them.
    if (state.writing) {
      c++;
      break;
    }
  }

  state.bufferProcessing = false;
  if (c < state.buffer.length)
    state.buffer = state.buffer.slice(c);
  else
    state.buffer.length = 0;
}

Writable.prototype._write = function(chunk, encoding, cb) {
  cb(new Error('not implemented'));
};

Writable.prototype.end = function(chunk, encoding, cb) {
  var state = this._writableState;

  if (typeof chunk === 'function') {
    cb = chunk;
    chunk = null;
    encoding = null;
  } else if (typeof encoding === 'function') {
    cb = encoding;
    encoding = null;
  }

  if (typeof chunk !== 'undefined' && chunk !== null)
    this.write(chunk, encoding);

  // ignore unnecessary end() calls.
  if (!state.ending && !state.finished)
    endWritable(this, state, cb);
};


function needFinish(stream, state) {
  return (state.ending &&
          state.length === 0 &&
          !state.finished &&
          !state.writing);
}

function finishMaybe(stream, state) {
  var need = needFinish(stream, state);
  if (need) {
    state.finished = true;
    stream.emit('finish');
  }
  return need;
}

function endWritable(stream, state, cb) {
  state.ending = true;
  finishMaybe(stream, state);
  if (cb) {
    if (state.finished)
      timers.setImmediate(cb);
    else
      stream.once('finish', cb);
  }
  state.ended = true;
}

},{"buffer":16,"stream":11,"timers":13,"util":14}],7:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// UTILITY
var util = require('util');
var shims = require('_shims');
var pSlice = Array.prototype.slice;

// 1. The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.

var assert = module.exports = ok;

// 2. The AssertionError is defined in assert.
// new assert.AssertionError({ message: message,
//                             actual: actual,
//                             expected: expected })

assert.AssertionError = function AssertionError(options) {
  this.name = 'AssertionError';
  this.actual = options.actual;
  this.expected = options.expected;
  this.operator = options.operator;
  this.message = options.message || getMessage(this);
};

// assert.AssertionError instanceof Error
util.inherits(assert.AssertionError, Error);

function replacer(key, value) {
  if (util.isUndefined(value)) {
    return '' + value;
  }
  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {
    return value.toString();
  }
  if (util.isFunction(value) || util.isRegExp(value)) {
    return value.toString();
  }
  return value;
}

function truncate(s, n) {
  if (util.isString(s)) {
    return s.length < n ? s : s.slice(0, n);
  } else {
    return s;
  }
}

function getMessage(self) {
  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
         self.operator + ' ' +
         truncate(JSON.stringify(self.expected, replacer), 128);
}

// At present only the three keys mentioned above are used and
// understood by the spec. Implementations or sub modules can pass
// other keys to the AssertionError's constructor - they will be
// ignored.

// 3. All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided.  All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.

function fail(actual, expected, message, operator, stackStartFunction) {
  throw new assert.AssertionError({
    message: message,
    actual: actual,
    expected: expected,
    operator: operator,
    stackStartFunction: stackStartFunction
  });
}

// EXTENSION! allows for well behaved errors defined elsewhere.
assert.fail = fail;

// 4. Pure assertion tests whether a value is truthy, as determined
// by !!guard.
// assert.ok(guard, message_opt);
// This statement is equivalent to assert.equal(true, !!guard,
// message_opt);. To test strictly for the value true, use
// assert.strictEqual(true, guard, message_opt);.

function ok(value, message) {
  if (!value) fail(value, true, message, '==', assert.ok);
}
assert.ok = ok;

// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);

assert.equal = function equal(actual, expected, message) {
  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
};

// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);

assert.notEqual = function notEqual(actual, expected, message) {
  if (actual == expected) {
    fail(actual, expected, message, '!=', assert.notEqual);
  }
};

// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);

assert.deepEqual = function deepEqual(actual, expected, message) {
  if (!_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
  }
};

function _deepEqual(actual, expected) {
  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
    if (actual.length != expected.length) return false;

    for (var i = 0; i < actual.length; i++) {
      if (actual[i] !== expected[i]) return false;
    }

    return true;

  // 7.2. If the expected value is a Date object, the actual value is
  // equivalent if it is also a Date object that refers to the same time.
  } else if (util.isDate(actual) && util.isDate(expected)) {
    return actual.getTime() === expected.getTime();

  // 7.3 If the expected value is a RegExp object, the actual value is
  // equivalent if it is also a RegExp object with the same source and
  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
    return actual.source === expected.source &&
           actual.global === expected.global &&
           actual.multiline === expected.multiline &&
           actual.lastIndex === expected.lastIndex &&
           actual.ignoreCase === expected.ignoreCase;

  // 7.4. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (!util.isObject(actual) && !util.isObject(expected)) {
    return actual == expected;

  // 7.5 For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected);
  }
}

function isArguments(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
}

function objEquiv(a, b) {
  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
    return false;
  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return _deepEqual(a, b);
  }
  try {
    var ka = shims.keys(a),
        kb = shims.keys(b),
        key, i;
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!_deepEqual(a[key], b[key])) return false;
  }
  return true;
}

// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);

assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
  if (_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
  }
};

// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);

assert.strictEqual = function strictEqual(actual, expected, message) {
  if (actual !== expected) {
    fail(actual, expected, message, '===', assert.strictEqual);
  }
};

// 10. The strict non-equality assertion tests for strict inequality, as
// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);

assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
  if (actual === expected) {
    fail(actual, expected, message, '!==', assert.notStrictEqual);
  }
};

function expectedException(actual, expected) {
  if (!actual || !expected) {
    return false;
  }

  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
    return expected.test(actual);
  } else if (actual instanceof expected) {
    return true;
  } else if (expected.call({}, actual) === true) {
    return true;
  }

  return false;
}

function _throws(shouldThrow, block, expected, message) {
  var actual;

  if (util.isString(expected)) {
    message = expected;
    expected = null;
  }

  try {
    block();
  } catch (e) {
    actual = e;
  }

  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
            (message ? ' ' + message : '.');

  if (shouldThrow && !actual) {
    fail(actual, expected, 'Missing expected exception' + message);
  }

  if (!shouldThrow && expectedException(actual, expected)) {
    fail(actual, expected, 'Got unwanted exception' + message);
  }

  if ((shouldThrow && actual && expected &&
      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
    throw actual;
  }
}

// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);

assert.throws = function(block, /*optional*/error, /*optional*/message) {
  _throws.apply(this, [true].concat(pSlice.call(arguments)));
};

// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/message) {
  _throws.apply(this, [false].concat(pSlice.call(arguments)));
};

assert.ifError = function(err) { if (err) {throw err;}};
},{"_shims":1,"util":14}],8:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var util = require('util');

function EventEmitter() {
  this._events = this._events || {};
  this._maxListeners = this._maxListeners || undefined;
}
module.exports = EventEmitter;

// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;

EventEmitter.prototype._events = undefined;
EventEmitter.prototype._maxListeners = undefined;

// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
EventEmitter.defaultMaxListeners = 10;

// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function(n) {
  if (!util.isNumber(n) || n < 0)
    throw TypeError('n must be a positive number');
  this._maxListeners = n;
  return this;
};

EventEmitter.prototype.emit = function(type) {
  var er, handler, len, args, i, listeners;

  if (!this._events)
    this._events = {};

  // If there is no 'error' event listener then throw.
  if (type === 'error') {
    if (!this._events.error ||
        (util.isObject(this._events.error) && !this._events.error.length)) {
      er = arguments[1];
      if (er instanceof Error) {
        throw er; // Unhandled 'error' event
      } else {
        throw TypeError('Uncaught, unspecified "error" event.');
      }
      return false;
    }
  }

  handler = this._events[type];

  if (util.isUndefined(handler))
    return false;

  if (util.isFunction(handler)) {
    switch (arguments.length) {
      // fast cases
      case 1:
        handler.call(this);
        break;
      case 2:
        handler.call(this, arguments[1]);
        break;
      case 3:
        handler.call(this, arguments[1], arguments[2]);
        break;
      // slower
      default:
        len = arguments.length;
        args = new Array(len - 1);
        for (i = 1; i < len; i++)
          args[i - 1] = arguments[i];
        handler.apply(this, args);
    }
  } else if (util.isObject(handler)) {
    len = arguments.length;
    args = new Array(len - 1);
    for (i = 1; i < len; i++)
      args[i - 1] = arguments[i];

    listeners = handler.slice();
    len = listeners.length;
    for (i = 0; i < len; i++)
      listeners[i].apply(this, args);
  }

  return true;
};

EventEmitter.prototype.addListener = function(type, listener) {
  var m;

  if (!util.isFunction(listener))
    throw TypeError('listener must be a function');

  if (!this._events)
    this._events = {};

  // To avoid recursion in the case that type === "newListener"! Before
  // adding it to the listeners, first emit "newListener".
  if (this._events.newListener)
    this.emit('newListener', type,
              util.isFunction(listener.listener) ?
              listener.listener : listener);

  if (!this._events[type])
    // Optimize the case of one listener. Don't need the extra array object.
    this._events[type] = listener;
  else if (util.isObject(this._events[type]))
    // If we've already got an array, just append.
    this._events[type].push(listener);
  else
    // Adding the second element, need to change to array.
    this._events[type] = [this._events[type], listener];

  // Check for listener leak
  if (util.isObject(this._events[type]) && !this._events[type].warned) {
    var m;
    if (!util.isUndefined(this._maxListeners)) {
      m = this._maxListeners;
    } else {
      m = EventEmitter.defaultMaxListeners;
    }

    if (m && m > 0 && this._events[type].length > m) {
      this._events[type].warned = true;
      console.error('(node) warning: possible EventEmitter memory ' +
                    'leak detected. %d listeners added. ' +
                    'Use emitter.setMaxListeners() to increase limit.',
                    this._events[type].length);
      console.trace();
    }
  }

  return this;
};

EventEmitter.prototype.on = EventEmitter.prototype.addListener;

EventEmitter.prototype.once = function(type, listener) {
  if (!util.isFunction(listener))
    throw TypeError('listener must be a function');

  function g() {
    this.removeListener(type, g);
    listener.apply(this, arguments);
  }

  g.listener = listener;
  this.on(type, g);

  return this;
};

// emits a 'removeListener' event iff the listener was removed
EventEmitter.prototype.removeListener = function(type, listener) {
  var list, position, length, i;

  if (!util.isFunction(listener))
    throw TypeError('listener must be a function');

  if (!this._events || !this._events[type])
    return this;

  list = this._events[type];
  length = list.length;
  position = -1;

  if (list === listener ||
      (util.isFunction(list.listener) && list.listener === listener)) {
    delete this._events[type];
    if (this._events.removeListener)
      this.emit('removeListener', type, listener);

  } else if (util.isObject(list)) {
    for (i = length; i-- > 0;) {
      if (list[i] === listener ||
          (list[i].listener && list[i].listener === listener)) {
        position = i;
        break;
      }
    }

    if (position < 0)
      return this;

    if (list.length === 1) {
      list.length = 0;
      delete this._events[type];
    } else {
      list.splice(position, 1);
    }

    if (this._events.removeListener)
      this.emit('removeListener', type, listener);
  }

  return this;
};

EventEmitter.prototype.removeAllListeners = function(type) {
  var key, listeners;

  if (!this._events)
    return this;

  // not listening for removeListener, no need to emit
  if (!this._events.removeListener) {
    if (arguments.length === 0)
      this._events = {};
    else if (this._events[type])
      delete this._events[type];
    return this;
  }

  // emit removeListener for all listeners on all events
  if (arguments.length === 0) {
    for (key in this._events) {
      if (key === 'removeListener') continue;
      this.removeAllListeners(key);
    }
    this.removeAllListeners('removeListener');
    this._events = {};
    return this;
  }

  listeners = this._events[type];

  if (util.isFunction(listeners)) {
    this.removeListener(type, listeners);
  } else {
    // LIFO order
    while (listeners.length)
      this.removeListener(type, listeners[listeners.length - 1]);
  }
  delete this._events[type];

  return this;
};

EventEmitter.prototype.listeners = function(type) {
  var ret;
  if (!this._events || !this._events[type])
    ret = [];
  else if (util.isFunction(this._events[type]))
    ret = [this._events[type]];
  else
    ret = this._events[type].slice();
  return ret;
};

EventEmitter.listenerCount = function(emitter, type) {
  var ret;
  if (!emitter._events || !emitter._events[type])
    ret = 0;
  else if (util.isFunction(emitter._events[type]))
    ret = 1;
  else
    ret = emitter._events[type].length;
  return ret;
};
},{"util":14}],9:[function(require,module,exports){

// not implemented
// The reason for having an empty file and not throwing is to allow
// untraditional implementation of this module.

},{}],10:[function(require,module,exports){
var process=require("__browserify_process");// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var util = require('util');
var shims = require('_shims');

// resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) {
  // if the path tries to go above the root, `up` ends up > 0
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
    var last = parts[i];
    if (last === '.') {
      parts.splice(i, 1);
    } else if (last === '..') {
      parts.splice(i, 1);
      up++;
    } else if (up) {
      parts.splice(i, 1);
      up--;
    }
  }

  // if the path is allowed to go above the root, restore leading ..s
  if (allowAboveRoot) {
    for (; up--; up) {
      parts.unshift('..');
    }
  }

  return parts;
}

// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
var splitPathRe =
    /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
var splitPath = function(filename) {
  return splitPathRe.exec(filename).slice(1);
};

// path.resolve([from ...], to)
// posix version
exports.resolve = function() {
  var resolvedPath = '',
      resolvedAbsolute = false;

  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
    var path = (i >= 0) ? arguments[i] : process.cwd();

    // Skip empty and invalid entries
    if (!util.isString(path)) {
      throw new TypeError('Arguments to path.resolve must be strings');
    } else if (!path) {
      continue;
    }

    resolvedPath = path + '/' + resolvedPath;
    resolvedAbsolute = path.charAt(0) === '/';
  }

  // At this point the path should be resolved to a full absolute path, but
  // handle relative paths to be safe (might happen when process.cwd() fails)

  // Normalize the path
  resolvedPath = normalizeArray(shims.filter(resolvedPath.split('/'), function(p) {
    return !!p;
  }), !resolvedAbsolute).join('/');

  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
};

// path.normalize(path)
// posix version
exports.normalize = function(path) {
  var isAbsolute = exports.isAbsolute(path),
      trailingSlash = shims.substr(path, -1) === '/';

  // Normalize the path
  path = normalizeArray(shims.filter(path.split('/'), function(p) {
    return !!p;
  }), !isAbsolute).join('/');

  if (!path && !isAbsolute) {
    path = '.';
  }
  if (path && trailingSlash) {
    path += '/';
  }

  return (isAbsolute ? '/' : '') + path;
};

// posix version
exports.isAbsolute = function(path) {
  return path.charAt(0) === '/';
};

// posix version
exports.join = function() {
  var paths = Array.prototype.slice.call(arguments, 0);
  return exports.normalize(shims.filter(paths, function(p, index) {
    if (!util.isString(p)) {
      throw new TypeError('Arguments to path.join must be strings');
    }
    return p;
  }).join('/'));
};


// path.relative(from, to)
// posix version
exports.relative = function(from, to) {
  from = exports.resolve(from).substr(1);
  to = exports.resolve(to).substr(1);

  function trim(arr) {
    var start = 0;
    for (; start < arr.length; start++) {
      if (arr[start] !== '') break;
    }

    var end = arr.length - 1;
    for (; end >= 0; end--) {
      if (arr[end] !== '') break;
    }

    if (start > end) return [];
    return arr.slice(start, end - start + 1);
  }

  var fromParts = trim(from.split('/'));
  var toParts = trim(to.split('/'));

  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
    if (fromParts[i] !== toParts[i]) {
      samePartsLength = i;
      break;
    }
  }

  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
    outputParts.push('..');
  }

  outputParts = outputParts.concat(toParts.slice(samePartsLength));

  return outputParts.join('/');
};

exports.sep = '/';
exports.delimiter = ':';

exports.dirname = function(path) {
  var result = splitPath(path),
      root = result[0],
      dir = result[1];

  if (!root && !dir) {
    // No dirname whatsoever
    return '.';
  }

  if (dir) {
    // It has a dirname, strip trailing slash
    dir = dir.substr(0, dir.length - 1);
  }

  return root + dir;
};


exports.basename = function(path, ext) {
  var f = splitPath(path)[2];
  // TODO: make this comparison case-insensitive on windows?
  if (ext && f.substr(-1 * ext.length) === ext) {
    f = f.substr(0, f.length - ext.length);
  }
  return f;
};


exports.extname = function(path) {
  return splitPath(path)[3];
};

},{"__browserify_process":21,"_shims":1,"util":14}],11:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

module.exports = Stream;

var EE = require('events').EventEmitter;
var util = require('util');

util.inherits(Stream, EE);
Stream.Readable = require('_stream_readable');
Stream.Writable = require('_stream_writable');
Stream.Duplex = require('_stream_duplex');
Stream.Transform = require('_stream_transform');
Stream.PassThrough = require('_stream_passthrough');

// Backwards-compat with node 0.4.x
Stream.Stream = Stream;



// old-style streams.  Note that the pipe method (the only relevant
// part of this class) is overridden in the Readable class.

function Stream() {
  EE.call(this);
}

Stream.prototype.pipe = function(dest, options) {
  var source = this;

  function ondata(chunk) {
    if (dest.writable) {
      if (false === dest.write(chunk) && source.pause) {
        source.pause();
      }
    }
  }

  source.on('data', ondata);

  function ondrain() {
    if (source.readable && source.resume) {
      source.resume();
    }
  }

  dest.on('drain', ondrain);

  // If the 'end' option is not supplied, dest.end() will be called when
  // source gets the 'end' or 'close' events.  Only dest.end() once.
  if (!dest._isStdio && (!options || options.end !== false)) {
    source.on('end', onend);
    source.on('close', onclose);
  }

  var didOnEnd = false;
  function onend() {
    if (didOnEnd) return;
    didOnEnd = true;

    dest.end();
  }


  function onclose() {
    if (didOnEnd) return;
    didOnEnd = true;

    if (typeof dest.destroy === 'function') dest.destroy();
  }

  // don't leave dangling pipes when there are errors.
  function onerror(er) {
    cleanup();
    if (EE.listenerCount(this, 'error') === 0) {
      throw er; // Unhandled stream error in pipe.
    }
  }

  source.on('error', onerror);
  dest.on('error', onerror);

  // remove all the event listeners that were added.
  function cleanup() {
    source.removeListener('data', ondata);
    dest.removeListener('drain', ondrain);

    source.removeListener('end', onend);
    source.removeListener('close', onclose);

    source.removeListener('error', onerror);
    dest.removeListener('error', onerror);

    source.removeListener('end', cleanup);
    source.removeListener('close', cleanup);

    dest.removeListener('close', cleanup);
  }

  source.on('end', cleanup);
  source.on('close', cleanup);

  dest.on('close', cleanup);

  dest.emit('pipe', source);

  // Allow for unix-like usage: A.pipe(B).pipe(C)
  return dest;
};

},{"_stream_duplex":2,"_stream_passthrough":3,"_stream_readable":4,"_stream_transform":5,"_stream_writable":6,"events":8,"util":14}],12:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var Buffer = require('buffer').Buffer;

function assertEncoding(encoding) {
  if (encoding && !Buffer.isEncoding(encoding)) {
    throw new Error('Unknown encoding: ' + encoding);
  }
}

var StringDecoder = exports.StringDecoder = function(encoding) {
  this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
  assertEncoding(encoding);
  switch (this.encoding) {
    case 'utf8':
      // CESU-8 represents each of Surrogate Pair by 3-bytes
      this.surrogateSize = 3;
      break;
    case 'ucs2':
    case 'utf16le':
      // UTF-16 represents each of Surrogate Pair by 2-bytes
      this.surrogateSize = 2;
      this.detectIncompleteChar = utf16DetectIncompleteChar;
      break;
    case 'base64':
      // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
      this.surrogateSize = 3;
      this.detectIncompleteChar = base64DetectIncompleteChar;
      break;
    default:
      this.write = passThroughWrite;
      return;
  }

  this.charBuffer = new Buffer(6);
  this.charReceived = 0;
  this.charLength = 0;
};


StringDecoder.prototype.write = function(buffer) {
  var charStr = '';
  var offset = 0;

  // if our last write ended with an incomplete multibyte character
  while (this.charLength) {
    // determine how many remaining bytes this buffer has to offer for this char
    var i = (buffer.length >= this.charLength - this.charReceived) ?
                this.charLength - this.charReceived :
                buffer.length;

    // add the new bytes to the char buffer
    buffer.copy(this.charBuffer, this.charReceived, offset, i);
    this.charReceived += (i - offset);
    offset = i;

    if (this.charReceived < this.charLength) {
      // still not enough chars in this buffer? wait for more ...
      return '';
    }

    // get the character that was split
    charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);

    // lead surrogate (D800-DBFF) is also the incomplete character
    var charCode = charStr.charCodeAt(charStr.length - 1);
    if (charCode >= 0xD800 && charCode <= 0xDBFF) {
      this.charLength += this.surrogateSize;
      charStr = '';
      continue;
    }
    this.charReceived = this.charLength = 0;

    // if there are no more bytes in this buffer, just emit our char
    if (i == buffer.length) return charStr;

    // otherwise cut off the characters end from the beginning of this buffer
    buffer = buffer.slice(i, buffer.length);
    break;
  }

  var lenIncomplete = this.detectIncompleteChar(buffer);

  var end = buffer.length;
  if (this.charLength) {
    // buffer the incomplete character bytes we got
    buffer.copy(this.charBuffer, 0, buffer.length - lenIncomplete, end);
    this.charReceived = lenIncomplete;
    end -= lenIncomplete;
  }

  charStr += buffer.toString(this.encoding, 0, end);

  var end = charStr.length - 1;
  var charCode = charStr.charCodeAt(end);
  // lead surrogate (D800-DBFF) is also the incomplete character
  if (charCode >= 0xD800 && charCode <= 0xDBFF) {
    var size = this.surrogateSize;
    this.charLength += size;
    this.charReceived += size;
    this.charBuffer.copy(this.charBuffer, size, 0, size);
    this.charBuffer.write(charStr.charAt(charStr.length - 1), this.encoding);
    return charStr.substring(0, end);
  }

  // or just emit the charStr
  return charStr;
};

StringDecoder.prototype.detectIncompleteChar = function(buffer) {
  // determine how many bytes we have to check at the end of this buffer
  var i = (buffer.length >= 3) ? 3 : buffer.length;

  // Figure out if one of the last i bytes of our buffer announces an
  // incomplete char.
  for (; i > 0; i--) {
    var c = buffer[buffer.length - i];

    // See http://en.wikipedia.org/wiki/UTF-8#Description

    // 110XXXXX
    if (i == 1 && c >> 5 == 0x06) {
      this.charLength = 2;
      break;
    }

    // 1110XXXX
    if (i <= 2 && c >> 4 == 0x0E) {
      this.charLength = 3;
      break;
    }

    // 11110XXX
    if (i <= 3 && c >> 3 == 0x1E) {
      this.charLength = 4;
      break;
    }
  }

  return i;
};

StringDecoder.prototype.end = function(buffer) {
  var res = '';
  if (buffer && buffer.length)
    res = this.write(buffer);

  if (this.charReceived) {
    var cr = this.charReceived;
    var buf = this.charBuffer;
    var enc = this.encoding;
    res += buf.slice(0, cr).toString(enc);
  }

  return res;
};

function passThroughWrite(buffer) {
  return buffer.toString(this.encoding);
}

function utf16DetectIncompleteChar(buffer) {
  var incomplete = this.charReceived = buffer.length % 2;
  this.charLength = incomplete ? 2 : 0;
  return incomplete;
}

function base64DetectIncompleteChar(buffer) {
  var incomplete = this.charReceived = buffer.length % 3;
  this.charLength = incomplete ? 3 : 0;
  return incomplete;
}

},{"buffer":16}],13:[function(require,module,exports){
try {
    // Old IE browsers that do not curry arguments
    if (!setTimeout.call) {
        var slicer = Array.prototype.slice;
        exports.setTimeout = function(fn) {
            var args = slicer.call(arguments, 1);
            return setTimeout(function() {
                return fn.apply(this, args);
            })
        };

        exports.setInterval = function(fn) {
            var args = slicer.call(arguments, 1);
            return setInterval(function() {
                return fn.apply(this, args);
            });
        };
    } else {
        exports.setTimeout = setTimeout;
        exports.setInterval = setInterval;
    }
    exports.clearTimeout = clearTimeout;
    exports.clearInterval = clearInterval;

    if (window.setImmediate) {
      exports.setImmediate = window.setImmediate;
      exports.clearImmediate = window.clearImmediate;
    }

    // Chrome and PhantomJS seems to depend on `this` pseudo variable being a
    // `window` and throws invalid invocation exception otherwise. If this code
    // runs in such JS runtime next line will throw and `catch` clause will
    // exported timers functions bound to a window.
    exports.setTimeout(function() {});
} catch (_) {
    function bind(f, context) {
        return function () { return f.apply(context, arguments) };
    }

    if (typeof window !== 'undefined') {
      exports.setTimeout = bind(setTimeout, window);
      exports.setInterval = bind(setInterval, window);
      exports.clearTimeout = bind(clearTimeout, window);
      exports.clearInterval = bind(clearInterval, window);
      if (window.setImmediate) {
        exports.setImmediate = bind(window.setImmediate, window);
        exports.clearImmediate = bind(window.clearImmediate, window);
      }
    } else {
      if (typeof setTimeout !== 'undefined') {
        exports.setTimeout = setTimeout;
      }
      if (typeof setInterval !== 'undefined') {
        exports.setInterval = setInterval;
      }
      if (typeof clearTimeout !== 'undefined') {
        exports.clearTimeout = clearTimeout;
      }
      if (typeof clearInterval === 'function') {
        exports.clearInterval = clearInterval;
      }
    }
}

exports.unref = function unref() {};
exports.ref = function ref() {};

if (!exports.setImmediate) {
  var currentKey = 0, queue = {}, active = false;

  exports.setImmediate = (function () {
      function drain() {
        active = false;
        for (var key in queue) {
          if (queue.hasOwnProperty(currentKey, key)) {
            var fn = queue[key];
            delete queue[key];
            fn();
          }
        }
      }

      if (typeof window !== 'undefined' &&
          window.postMessage && window.addEventListener) {
        window.addEventListener('message', function (ev) {
          if (ev.source === window && ev.data === 'browserify-tick') {
            ev.stopPropagation();
            drain();
          }
        }, true);

        return function setImmediate(fn) {
          var id = ++currentKey;
          queue[id] = fn;
          if (!active) {
            active = true;
            window.postMessage('browserify-tick', '*');
          }
          return id;
        };
      } else {
        return function setImmediate(fn) {
          var id = ++currentKey;
          queue[id] = fn;
          if (!active) {
            active = true;
            setTimeout(drain, 0);
          }
          return id;
        };
      }
  })();

  exports.clearImmediate = function clearImmediate(id) {
    delete queue[id];
  };
}

},{}],14:[function(require,module,exports){
var Buffer=require("__browserify_Buffer").Buffer;// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var shims = require('_shims');

var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
  if (!isString(f)) {
    var objects = [];
    for (var i = 0; i < arguments.length; i++) {
      objects.push(inspect(arguments[i]));
    }
    return objects.join(' ');
  }

  var i = 1;
  var args = arguments;
  var len = args.length;
  var str = String(f).replace(formatRegExp, function(x) {
    if (x === '%%') return '%';
    if (i >= len) return x;
    switch (x) {
      case '%s': return String(args[i++]);
      case '%d': return Number(args[i++]);
      case '%j':
        try {
          return JSON.stringify(args[i++]);
        } catch (_) {
          return '[Circular]';
        }
      default:
        return x;
    }
  });
  for (var x = args[i]; i < len; x = args[++i]) {
    if (isNull(x) || !isObject(x)) {
      str += ' ' + x;
    } else {
      str += ' ' + inspect(x);
    }
  }
  return str;
};

/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Object} opts Optional options object that alters the output.
 */
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
  // default options
  var ctx = {
    seen: [],
    stylize: stylizeNoColor
  };
  // legacy...
  if (arguments.length >= 3) ctx.depth = arguments[2];
  if (arguments.length >= 4) ctx.colors = arguments[3];
  if (isBoolean(opts)) {
    // legacy...
    ctx.showHidden = opts;
  } else if (opts) {
    // got an "options" object
    exports._extend(ctx, opts);
  }
  // set default options
  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  if (isUndefined(ctx.depth)) ctx.depth = 2;
  if (isUndefined(ctx.colors)) ctx.colors = false;
  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;


// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
  'bold' : [1, 22],
  'italic' : [3, 23],
  'underline' : [4, 24],
  'inverse' : [7, 27],
  'white' : [37, 39],
  'grey' : [90, 39],
  'black' : [30, 39],
  'blue' : [34, 39],
  'cyan' : [36, 39],
  'green' : [32, 39],
  'magenta' : [35, 39],
  'red' : [31, 39],
  'yellow' : [33, 39]
};

// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
  'special': 'cyan',
  'number': 'yellow',
  'boolean': 'yellow',
  'undefined': 'grey',
  'null': 'bold',
  'string': 'green',
  'date': 'magenta',
  // "name": intentionally not styling
  'regexp': 'red'
};


function stylizeWithColor(str, styleType) {
  var style = inspect.styles[styleType];

  if (style) {
    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
           '\u001b[' + inspect.colors[style][1] + 'm';
  } else {
    return str;
  }
}


function stylizeNoColor(str, styleType) {
  return str;
}


function arrayToHash(array) {
  var hash = {};

  shims.forEach(array, function(val, idx) {
    hash[val] = true;
  });

  return hash;
}


function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (ctx.customInspect &&
      value &&
      isFunction(value.inspect) &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    var ret = value.inspect(recurseTimes);
    if (!isString(ret)) {
      ret = formatValue(ctx, ret, recurseTimes);
    }
    return ret;
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // Look up the keys of the object.
  var keys = shims.keys(value);
  var visibleKeys = arrayToHash(keys);

  if (ctx.showHidden) {
    keys = shims.getOwnPropertyNames(value);
  }

  // Some type of object without properties can be shortcutted.
  if (keys.length === 0) {
    if (isFunction(value)) {
      var name = value.name ? ': ' + value.name : '';
      return ctx.stylize('[Function' + name + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (isFunction(value)) {
    var n = value.name ? ': ' + value.name : '';
    base = ' [Function' + n + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    base = ' ' + formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  if (isUndefined(value))
    return ctx.stylize('undefined', 'undefined');
  if (isString(value)) {
    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                             .replace(/'/g, "\\'")
                                             .replace(/\\"/g, '"') + '\'';
    return ctx.stylize(simple, 'string');
  }
  if (isNumber(value))
    return ctx.stylize('' + value, 'number');
  if (isBoolean(value))
    return ctx.stylize('' + value, 'boolean');
  // For some reason typeof null is "object", so special case here.
  if (isNull(value))
    return ctx.stylize('null', 'null');
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (hasOwnProperty(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }

  shims.forEach(keys, function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str, desc;
  desc = shims.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  if (desc.get) {
    if (desc.set) {
      str = ctx.stylize('[Getter/Setter]', 'special');
    } else {
      str = ctx.stylize('[Getter]', 'special');
    }
  } else {
    if (desc.set) {
      str = ctx.stylize('[Setter]', 'special');
    }
  }

  if (!hasOwnProperty(visibleKeys, key)) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (shims.indexOf(ctx.seen, desc.value) < 0) {
      if (isNull(recurseTimes)) {
        str = formatValue(ctx, desc.value, null);
      } else {
        str = formatValue(ctx, desc.value, recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (isUndefined(name)) {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = shims.reduce(output, function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}


// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
  return shims.isArray(ar);
}
exports.isArray = isArray;

function isBoolean(arg) {
  return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;

function isNull(arg) {
  return arg === null;
}
exports.isNull = isNull;

function isNullOrUndefined(arg) {
  return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;

function isNumber(arg) {
  return typeof arg === 'number';
}
exports.isNumber = isNumber;

function isString(arg) {
  return typeof arg === 'string';
}
exports.isString = isString;

function isSymbol(arg) {
  return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;

function isUndefined(arg) {
  return arg === void 0;
}
exports.isUndefined = isUndefined;

function isRegExp(re) {
  return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;

function isObject(arg) {
  return typeof arg === 'object' && arg;
}
exports.isObject = isObject;

function isDate(d) {
  return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;

function isError(e) {
  return isObject(e) && objectToString(e) === '[object Error]';
}
exports.isError = isError;

function isFunction(arg) {
  return typeof arg === 'function';
}
exports.isFunction = isFunction;

function isPrimitive(arg) {
  return arg === null ||
         typeof arg === 'boolean' ||
         typeof arg === 'number' ||
         typeof arg === 'string' ||
         typeof arg === 'symbol' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

function isBuffer(arg) {
  return arg instanceof Buffer;
}
exports.isBuffer = isBuffer;

function objectToString(o) {
  return Object.prototype.toString.call(o);
}


function pad(n) {
  return n < 10 ? '0' + n.toString(10) : n.toString(10);
}


var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
              'Oct', 'Nov', 'Dec'];

// 26 Feb 16:19:34
function timestamp() {
  var d = new Date();
  var time = [pad(d.getHours()),
              pad(d.getMinutes()),
              pad(d.getSeconds())].join(':');
  return [d.getDate(), months[d.getMonth()], time].join(' ');
}


// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * The Function.prototype.inherits from lang.js rewritten as a standalone
 * function (not on Function.prototype). NOTE: If this file is to be loaded
 * during bootstrapping this function needs to be rewritten using some native
 * functions as prototype setup using normal JavaScript does not work as
 * expected during bootstrapping (see mirror.js in r114903).
 *
 * @param {function} ctor Constructor function which needs to inherit the
 *     prototype.
 * @param {function} superCtor Constructor function to inherit prototype from.
 */
exports.inherits = function(ctor, superCtor) {
  ctor.super_ = superCtor;
  ctor.prototype = shims.create(superCtor.prototype, {
    constructor: {
      value: ctor,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });
};

exports._extend = function(origin, add) {
  // Don't do anything if add isn't an object
  if (!add || !isObject(add)) return origin;

  var keys = shims.keys(add);
  var i = keys.length;
  while (i--) {
    origin[keys[i]] = add[keys[i]];
  }
  return origin;
};

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

},{"__browserify_Buffer":20,"_shims":1}],15:[function(require,module,exports){
exports.readIEEE754 = function(buffer, offset, isBE, mLen, nBytes) {
  var e, m,
      eLen = nBytes * 8 - mLen - 1,
      eMax = (1 << eLen) - 1,
      eBias = eMax >> 1,
      nBits = -7,
      i = isBE ? 0 : (nBytes - 1),
      d = isBE ? 1 : -1,
      s = buffer[offset + i];

  i += d;

  e = s & ((1 << (-nBits)) - 1);
  s >>= (-nBits);
  nBits += eLen;
  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8);

  m = e & ((1 << (-nBits)) - 1);
  e >>= (-nBits);
  nBits += mLen;
  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8);

  if (e === 0) {
    e = 1 - eBias;
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity);
  } else {
    m = m + Math.pow(2, mLen);
    e = e - eBias;
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
};

exports.writeIEEE754 = function(buffer, value, offset, isBE, mLen, nBytes) {
  var e, m, c,
      eLen = nBytes * 8 - mLen - 1,
      eMax = (1 << eLen) - 1,
      eBias = eMax >> 1,
      rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0),
      i = isBE ? (nBytes - 1) : 0,
      d = isBE ? -1 : 1,
      s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;

  value = Math.abs(value);

  if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0;
    e = eMax;
  } else {
    e = Math.floor(Math.log(value) / Math.LN2);
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--;
      c *= 2;
    }
    if (e + eBias >= 1) {
      value += rt / c;
    } else {
      value += rt * Math.pow(2, 1 - eBias);
    }
    if (value * c >= 2) {
      e++;
      c /= 2;
    }

    if (e + eBias >= eMax) {
      m = 0;
      e = eMax;
    } else if (e + eBias >= 1) {
      m = (value * c - 1) * Math.pow(2, mLen);
      e = e + eBias;
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
      e = 0;
    }
  }

  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8);

  e = (e << mLen) | m;
  eLen += mLen;
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8);

  buffer[offset + i - d] |= s * 128;
};

},{}],16:[function(require,module,exports){
var assert;
exports.Buffer = Buffer;
exports.SlowBuffer = Buffer;
Buffer.poolSize = 8192;
exports.INSPECT_MAX_BYTES = 50;

function stringtrim(str) {
  if (str.trim) return str.trim();
  return str.replace(/^\s+|\s+$/g, '');
}

function Buffer(subject, encoding, offset) {
  if(!assert) assert= require('assert');
  if (!(this instanceof Buffer)) {
    return new Buffer(subject, encoding, offset);
  }
  this.parent = this;
  this.offset = 0;

  // Work-around: node's base64 implementation
  // allows for non-padded strings while base64-js
  // does not..
  if (encoding == "base64" && typeof subject == "string") {
    subject = stringtrim(subject);
    while (subject.length % 4 != 0) {
      subject = subject + "="; 
    }
  }

  var type;

  // Are we slicing?
  if (typeof offset === 'number') {
    this.length = coerce(encoding);
    // slicing works, with limitations (no parent tracking/update)
    // check https://github.com/toots/buffer-browserify/issues/19
    for (var i = 0; i < this.length; i++) {
        this[i] = subject.get(i+offset);
    }
  } else {
    // Find the length
    switch (type = typeof subject) {
      case 'number':
        this.length = coerce(subject);
        break;

      case 'string':
        this.length = Buffer.byteLength(subject, encoding);
        break;

      case 'object': // Assume object is an array
        this.length = coerce(subject.length);
        break;

      default:
        throw new Error('First argument needs to be a number, ' +
                        'array or string.');
    }

    // Treat array-ish objects as a byte array.
    if (isArrayIsh(subject)) {
      for (var i = 0; i < this.length; i++) {
        if (subject instanceof Buffer) {
          this[i] = subject.readUInt8(i);
        }
        else {
          this[i] = subject[i];
        }
      }
    } else if (type == 'string') {
      // We are a string
      this.length = this.write(subject, 0, encoding);
    } else if (type === 'number') {
      for (var i = 0; i < this.length; i++) {
        this[i] = 0;
      }
    }
  }
}

Buffer.prototype.get = function get(i) {
  if (i < 0 || i >= this.length) throw new Error('oob');
  return this[i];
};

Buffer.prototype.set = function set(i, v) {
  if (i < 0 || i >= this.length) throw new Error('oob');
  return this[i] = v;
};

Buffer.byteLength = function (str, encoding) {
  switch (encoding || "utf8") {
    case 'hex':
      return str.length / 2;

    case 'utf8':
    case 'utf-8':
      return utf8ToBytes(str).length;

    case 'ascii':
    case 'binary':
      return str.length;

    case 'base64':
      return base64ToBytes(str).length;

    default:
      throw new Error('Unknown encoding');
  }
};

Buffer.prototype.utf8Write = function (string, offset, length) {
  var bytes, pos;
  return Buffer._charsWritten =  blitBuffer(utf8ToBytes(string), this, offset, length);
};

Buffer.prototype.asciiWrite = function (string, offset, length) {
  var bytes, pos;
  return Buffer._charsWritten =  blitBuffer(asciiToBytes(string), this, offset, length);
};

Buffer.prototype.binaryWrite = Buffer.prototype.asciiWrite;

Buffer.prototype.base64Write = function (string, offset, length) {
  var bytes, pos;
  return Buffer._charsWritten = blitBuffer(base64ToBytes(string), this, offset, length);
};

Buffer.prototype.base64Slice = function (start, end) {
  var bytes = Array.prototype.slice.apply(this, arguments)
  return require("base64-js").fromByteArray(bytes);
};

Buffer.prototype.utf8Slice = function () {
  var bytes = Array.prototype.slice.apply(this, arguments);
  var res = "";
  var tmp = "";
  var i = 0;
  while (i < bytes.length) {
    if (bytes[i] <= 0x7F) {
      res += decodeUtf8Char(tmp) + String.fromCharCode(bytes[i]);
      tmp = "";
    } else
      tmp += "%" + bytes[i].toString(16);

    i++;
  }

  return res + decodeUtf8Char(tmp);
}

Buffer.prototype.asciiSlice = function () {
  var bytes = Array.prototype.slice.apply(this, arguments);
  var ret = "";
  for (var i = 0; i < bytes.length; i++)
    ret += String.fromCharCode(bytes[i]);
  return ret;
}

Buffer.prototype.binarySlice = Buffer.prototype.asciiSlice;

Buffer.prototype.inspect = function() {
  var out = [],
      len = this.length;
  for (var i = 0; i < len; i++) {
    out[i] = toHex(this[i]);
    if (i == exports.INSPECT_MAX_BYTES) {
      out[i + 1] = '...';
      break;
    }
  }
  return '<Buffer ' + out.join(' ') + '>';
};


Buffer.prototype.hexSlice = function(start, end) {
  var len = this.length;

  if (!start || start < 0) start = 0;
  if (!end || end < 0 || end > len) end = len;

  var out = '';
  for (var i = start; i < end; i++) {
    out += toHex(this[i]);
  }
  return out;
};


Buffer.prototype.toString = function(encoding, start, end) {
  encoding = String(encoding || 'utf8').toLowerCase();
  start = +start || 0;
  if (typeof end == 'undefined') end = this.length;

  // Fastpath empty strings
  if (+end == start) {
    return '';
  }

  switch (encoding) {
    case 'hex':
      return this.hexSlice(start, end);

    case 'utf8':
    case 'utf-8':
      return this.utf8Slice(start, end);

    case 'ascii':
      return this.asciiSlice(start, end);

    case 'binary':
      return this.binarySlice(start, end);

    case 'base64':
      return this.base64Slice(start, end);

    case 'ucs2':
    case 'ucs-2':
      return this.ucs2Slice(start, end);

    default:
      throw new Error('Unknown encoding');
  }
};


Buffer.prototype.hexWrite = function(string, offset, length) {
  offset = +offset || 0;
  var remaining = this.length - offset;
  if (!length) {
    length = remaining;
  } else {
    length = +length;
    if (length > remaining) {
      length = remaining;
    }
  }

  // must be an even number of digits
  var strLen = string.length;
  if (strLen % 2) {
    throw new Error('Invalid hex string');
  }
  if (length > strLen / 2) {
    length = strLen / 2;
  }
  for (var i = 0; i < length; i++) {
    var byte = parseInt(string.substr(i * 2, 2), 16);
    if (isNaN(byte)) throw new Error('Invalid hex string');
    this[offset + i] = byte;
  }
  Buffer._charsWritten = i * 2;
  return i;
};


Buffer.prototype.write = function(string, offset, length, encoding) {
  // Support both (string, offset, length, encoding)
  // and the legacy (string, encoding, offset, length)
  if (isFinite(offset)) {
    if (!isFinite(length)) {
      encoding = length;
      length = undefined;
    }
  } else {  // legacy
    var swap = encoding;
    encoding = offset;
    offset = length;
    length = swap;
  }

  offset = +offset || 0;
  var remaining = this.length - offset;
  if (!length) {
    length = remaining;
  } else {
    length = +length;
    if (length > remaining) {
      length = remaining;
    }
  }
  encoding = String(encoding || 'utf8').toLowerCase();

  switch (encoding) {
    case 'hex':
      return this.hexWrite(string, offset, length);

    case 'utf8':
    case 'utf-8':
      return this.utf8Write(string, offset, length);

    case 'ascii':
      return this.asciiWrite(string, offset, length);

    case 'binary':
      return this.binaryWrite(string, offset, length);

    case 'base64':
      return this.base64Write(string, offset, length);

    case 'ucs2':
    case 'ucs-2':
      return this.ucs2Write(string, offset, length);

    default:
      throw new Error('Unknown encoding');
  }
};

// slice(start, end)
function clamp(index, len, defaultValue) {
  if (typeof index !== 'number') return defaultValue;
  index = ~~index;  // Coerce to integer.
  if (index >= len) return len;
  if (index >= 0) return index;
  index += len;
  if (index >= 0) return index;
  return 0;
}

Buffer.prototype.slice = function(start, end) {
  var len = this.length;
  start = clamp(start, len, 0);
  end = clamp(end, len, len);
  return new Buffer(this, end - start, +start);
};

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function(target, target_start, start, end) {
  var source = this;
  start || (start = 0);
  if (end === undefined || isNaN(end)) {
    end = this.length;
  }
  target_start || (target_start = 0);

  if (end < start) throw new Error('sourceEnd < sourceStart');

  // Copy 0 bytes; we're done
  if (end === start) return 0;
  if (target.length == 0 || source.length == 0) return 0;

  if (target_start < 0 || target_start >= target.length) {
    throw new Error('targetStart out of bounds');
  }

  if (start < 0 || start >= source.length) {
    throw new Error('sourceStart out of bounds');
  }

  if (end < 0 || end > source.length) {
    throw new Error('sourceEnd out of bounds');
  }

  // Are we oob?
  if (end > this.length) {
    end = this.length;
  }

  if (target.length - target_start < end - start) {
    end = target.length - target_start + start;
  }

  var temp = [];
  for (var i=start; i<end; i++) {
    assert.ok(typeof this[i] !== 'undefined', "copying undefined buffer bytes!");
    temp.push(this[i]);
  }

  for (var i=target_start; i<target_start+temp.length; i++) {
    target[i] = temp[i-target_start];
  }
};

// fill(value, start=0, end=buffer.length)
Buffer.prototype.fill = function fill(value, start, end) {
  value || (value = 0);
  start || (start = 0);
  end || (end = this.length);

  if (typeof value === 'string') {
    value = value.charCodeAt(0);
  }
  if (!(typeof value === 'number') || isNaN(value)) {
    throw new Error('value is not a number');
  }

  if (end < start) throw new Error('end < start');

  // Fill 0 bytes; we're done
  if (end === start) return 0;
  if (this.length == 0) return 0;

  if (start < 0 || start >= this.length) {
    throw new Error('start out of bounds');
  }

  if (end < 0 || end > this.length) {
    throw new Error('end out of bounds');
  }

  for (var i = start; i < end; i++) {
    this[i] = value;
  }
}

// Static methods
Buffer.isBuffer = function isBuffer(b) {
  return b instanceof Buffer || b instanceof Buffer;
};

Buffer.concat = function (list, totalLength) {
  if (!isArray(list)) {
    throw new Error("Usage: Buffer.concat(list, [totalLength])\n \
      list should be an Array.");
  }

  if (list.length === 0) {
    return new Buffer(0);
  } else if (list.length === 1) {
    return list[0];
  }

  if (typeof totalLength !== 'number') {
    totalLength = 0;
    for (var i = 0; i < list.length; i++) {
      var buf = list[i];
      totalLength += buf.length;
    }
  }

  var buffer = new Buffer(totalLength);
  var pos = 0;
  for (var i = 0; i < list.length; i++) {
    var buf = list[i];
    buf.copy(buffer, pos);
    pos += buf.length;
  }
  return buffer;
};

Buffer.isEncoding = function(encoding) {
  switch ((encoding + '').toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
    case 'raw':
      return true;

    default:
      return false;
  }
};

// helpers

function coerce(length) {
  // Coerce length to a number (possibly NaN), round up
  // in case it's fractional (e.g. 123.456) then do a
  // double negate to coerce a NaN to 0. Easy, right?
  length = ~~Math.ceil(+length);
  return length < 0 ? 0 : length;
}

function isArray(subject) {
  return (Array.isArray ||
    function(subject){
      return {}.toString.apply(subject) == '[object Array]'
    })
    (subject)
}

function isArrayIsh(subject) {
  return isArray(subject) || Buffer.isBuffer(subject) ||
         subject && typeof subject === 'object' &&
         typeof subject.length === 'number';
}

function toHex(n) {
  if (n < 16) return '0' + n.toString(16);
  return n.toString(16);
}

function utf8ToBytes(str) {
  var byteArray = [];
  for (var i = 0; i < str.length; i++)
    if (str.charCodeAt(i) <= 0x7F)
      byteArray.push(str.charCodeAt(i));
    else {
      var h = encodeURIComponent(str.charAt(i)).substr(1).split('%');
      for (var j = 0; j < h.length; j++)
        byteArray.push(parseInt(h[j], 16));
    }

  return byteArray;
}

function asciiToBytes(str) {
  var byteArray = []
  for (var i = 0; i < str.length; i++ )
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push( str.charCodeAt(i) & 0xFF );

  return byteArray;
}

function base64ToBytes(str) {
  return require("base64-js").toByteArray(str);
}

function blitBuffer(src, dst, offset, length) {
  var pos, i = 0;
  while (i < length) {
    if ((i+offset >= dst.length) || (i >= src.length))
      break;

    dst[i + offset] = src[i];
    i++;
  }
  return i;
}

function decodeUtf8Char(str) {
  try {
    return decodeURIComponent(str);
  } catch (err) {
    return String.fromCharCode(0xFFFD); // UTF 8 invalid char
  }
}

// read/write bit-twiddling

Buffer.prototype.readUInt8 = function(offset, noAssert) {
  var buffer = this;

  if (!noAssert) {
    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return;

  return buffer[offset];
};

function readUInt16(buffer, offset, isBigEndian, noAssert) {
  var val = 0;


  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return 0;

  if (isBigEndian) {
    val = buffer[offset] << 8;
    if (offset + 1 < buffer.length) {
      val |= buffer[offset + 1];
    }
  } else {
    val = buffer[offset];
    if (offset + 1 < buffer.length) {
      val |= buffer[offset + 1] << 8;
    }
  }

  return val;
}

Buffer.prototype.readUInt16LE = function(offset, noAssert) {
  return readUInt16(this, offset, false, noAssert);
};

Buffer.prototype.readUInt16BE = function(offset, noAssert) {
  return readUInt16(this, offset, true, noAssert);
};

function readUInt32(buffer, offset, isBigEndian, noAssert) {
  var val = 0;

  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return 0;

  if (isBigEndian) {
    if (offset + 1 < buffer.length)
      val = buffer[offset + 1] << 16;
    if (offset + 2 < buffer.length)
      val |= buffer[offset + 2] << 8;
    if (offset + 3 < buffer.length)
      val |= buffer[offset + 3];
    val = val + (buffer[offset] << 24 >>> 0);
  } else {
    if (offset + 2 < buffer.length)
      val = buffer[offset + 2] << 16;
    if (offset + 1 < buffer.length)
      val |= buffer[offset + 1] << 8;
    val |= buffer[offset];
    if (offset + 3 < buffer.length)
      val = val + (buffer[offset + 3] << 24 >>> 0);
  }

  return val;
}

Buffer.prototype.readUInt32LE = function(offset, noAssert) {
  return readUInt32(this, offset, false, noAssert);
};

Buffer.prototype.readUInt32BE = function(offset, noAssert) {
  return readUInt32(this, offset, true, noAssert);
};


/*
 * Signed integer types, yay team! A reminder on how two's complement actually
 * works. The first bit is the signed bit, i.e. tells us whether or not the
 * number should be positive or negative. If the two's complement value is
 * positive, then we're done, as it's equivalent to the unsigned representation.
 *
 * Now if the number is positive, you're pretty much done, you can just leverage
 * the unsigned translations and return those. Unfortunately, negative numbers
 * aren't quite that straightforward.
 *
 * At first glance, one might be inclined to use the traditional formula to
 * translate binary numbers between the positive and negative values in two's
 * complement. (Though it doesn't quite work for the most negative value)
 * Mainly:
 *  - invert all the bits
 *  - add one to the result
 *
 * Of course, this doesn't quite work in Javascript. Take for example the value
 * of -128. This could be represented in 16 bits (big-endian) as 0xff80. But of
 * course, Javascript will do the following:
 *
 * > ~0xff80
 * -65409
 *
 * Whoh there, Javascript, that's not quite right. But wait, according to
 * Javascript that's perfectly correct. When Javascript ends up seeing the
 * constant 0xff80, it has no notion that it is actually a signed number. It
 * assumes that we've input the unsigned value 0xff80. Thus, when it does the
 * binary negation, it casts it into a signed value, (positive 0xff80). Then
 * when you perform binary negation on that, it turns it into a negative number.
 *
 * Instead, we're going to have to use the following general formula, that works
 * in a rather Javascript friendly way. I'm glad we don't support this kind of
 * weird numbering scheme in the kernel.
 *
 * (BIT-MAX - (unsigned)val + 1) * -1
 *
 * The astute observer, may think that this doesn't make sense for 8-bit numbers
 * (really it isn't necessary for them). However, when you get 16-bit numbers,
 * you do. Let's go back to our prior example and see how this will look:
 *
 * (0xffff - 0xff80 + 1) * -1
 * (0x007f + 1) * -1
 * (0x0080) * -1
 */
Buffer.prototype.readInt8 = function(offset, noAssert) {
  var buffer = this;
  var neg;

  if (!noAssert) {
    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return;

  neg = buffer[offset] & 0x80;
  if (!neg) {
    return (buffer[offset]);
  }

  return ((0xff - buffer[offset] + 1) * -1);
};

function readInt16(buffer, offset, isBigEndian, noAssert) {
  var neg, val;

  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'Trying to read beyond buffer length');
  }

  val = readUInt16(buffer, offset, isBigEndian, noAssert);
  neg = val & 0x8000;
  if (!neg) {
    return val;
  }

  return (0xffff - val + 1) * -1;
}

Buffer.prototype.readInt16LE = function(offset, noAssert) {
  return readInt16(this, offset, false, noAssert);
};

Buffer.prototype.readInt16BE = function(offset, noAssert) {
  return readInt16(this, offset, true, noAssert);
};

function readInt32(buffer, offset, isBigEndian, noAssert) {
  var neg, val;

  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to read beyond buffer length');
  }

  val = readUInt32(buffer, offset, isBigEndian, noAssert);
  neg = val & 0x80000000;
  if (!neg) {
    return (val);
  }

  return (0xffffffff - val + 1) * -1;
}

Buffer.prototype.readInt32LE = function(offset, noAssert) {
  return readInt32(this, offset, false, noAssert);
};

Buffer.prototype.readInt32BE = function(offset, noAssert) {
  return readInt32(this, offset, true, noAssert);
};

function readFloat(buffer, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset + 3 < buffer.length,
        'Trying to read beyond buffer length');
  }

  return require('./buffer_ieee754').readIEEE754(buffer, offset, isBigEndian,
      23, 4);
}

Buffer.prototype.readFloatLE = function(offset, noAssert) {
  return readFloat(this, offset, false, noAssert);
};

Buffer.prototype.readFloatBE = function(offset, noAssert) {
  return readFloat(this, offset, true, noAssert);
};

function readDouble(buffer, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset + 7 < buffer.length,
        'Trying to read beyond buffer length');
  }

  return require('./buffer_ieee754').readIEEE754(buffer, offset, isBigEndian,
      52, 8);
}

Buffer.prototype.readDoubleLE = function(offset, noAssert) {
  return readDouble(this, offset, false, noAssert);
};

Buffer.prototype.readDoubleBE = function(offset, noAssert) {
  return readDouble(this, offset, true, noAssert);
};


/*
 * We have to make sure that the value is a valid integer. This means that it is
 * non-negative. It has no fractional component and that it does not exceed the
 * maximum allowed value.
 *
 *      value           The number to check for validity
 *
 *      max             The maximum value
 */
function verifuint(value, max) {
  assert.ok(typeof (value) == 'number',
      'cannot write a non-number as a number');

  assert.ok(value >= 0,
      'specified a negative value for writing an unsigned value');

  assert.ok(value <= max, 'value is larger than maximum value for type');

  assert.ok(Math.floor(value) === value, 'value has a fractional component');
}

Buffer.prototype.writeUInt8 = function(value, offset, noAssert) {
  var buffer = this;

  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'trying to write beyond buffer length');

    verifuint(value, 0xff);
  }

  if (offset < buffer.length) {
    buffer[offset] = value;
  }
};

function writeUInt16(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'trying to write beyond buffer length');

    verifuint(value, 0xffff);
  }

  for (var i = 0; i < Math.min(buffer.length - offset, 2); i++) {
    buffer[offset + i] =
        (value & (0xff << (8 * (isBigEndian ? 1 - i : i)))) >>>
            (isBigEndian ? 1 - i : i) * 8;
  }

}

Buffer.prototype.writeUInt16LE = function(value, offset, noAssert) {
  writeUInt16(this, value, offset, false, noAssert);
};

Buffer.prototype.writeUInt16BE = function(value, offset, noAssert) {
  writeUInt16(this, value, offset, true, noAssert);
};

function writeUInt32(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'trying to write beyond buffer length');

    verifuint(value, 0xffffffff);
  }

  for (var i = 0; i < Math.min(buffer.length - offset, 4); i++) {
    buffer[offset + i] =
        (value >>> (isBigEndian ? 3 - i : i) * 8) & 0xff;
  }
}

Buffer.prototype.writeUInt32LE = function(value, offset, noAssert) {
  writeUInt32(this, value, offset, false, noAssert);
};

Buffer.prototype.writeUInt32BE = function(value, offset, noAssert) {
  writeUInt32(this, value, offset, true, noAssert);
};


/*
 * We now move onto our friends in the signed number category. Unlike unsigned
 * numbers, we're going to have to worry a bit more about how we put values into
 * arrays. Since we are only worrying about signed 32-bit values, we're in
 * slightly better shape. Unfortunately, we really can't do our favorite binary
 * & in this system. It really seems to do the wrong thing. For example:
 *
 * > -32 & 0xff
 * 224
 *
 * What's happening above is really: 0xe0 & 0xff = 0xe0. However, the results of
 * this aren't treated as a signed number. Ultimately a bad thing.
 *
 * What we're going to want to do is basically create the unsigned equivalent of
 * our representation and pass that off to the wuint* functions. To do that
 * we're going to do the following:
 *
 *  - if the value is positive
 *      we can pass it directly off to the equivalent wuint
 *  - if the value is negative
 *      we do the following computation:
 *         mb + val + 1, where
 *         mb   is the maximum unsigned value in that byte size
 *         val  is the Javascript negative integer
 *
 *
 * As a concrete value, take -128. In signed 16 bits this would be 0xff80. If
 * you do out the computations:
 *
 * 0xffff - 128 + 1
 * 0xffff - 127
 * 0xff80
 *
 * You can then encode this value as the signed version. This is really rather
 * hacky, but it should work and get the job done which is our goal here.
 */

/*
 * A series of checks to make sure we actually have a signed 32-bit number
 */
function verifsint(value, max, min) {
  assert.ok(typeof (value) == 'number',
      'cannot write a non-number as a number');

  assert.ok(value <= max, 'value larger than maximum allowed value');

  assert.ok(value >= min, 'value smaller than minimum allowed value');

  assert.ok(Math.floor(value) === value, 'value has a fractional component');
}

function verifIEEE754(value, max, min) {
  assert.ok(typeof (value) == 'number',
      'cannot write a non-number as a number');

  assert.ok(value <= max, 'value larger than maximum allowed value');

  assert.ok(value >= min, 'value smaller than minimum allowed value');
}

Buffer.prototype.writeInt8 = function(value, offset, noAssert) {
  var buffer = this;

  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'Trying to write beyond buffer length');

    verifsint(value, 0x7f, -0x80);
  }

  if (value >= 0) {
    buffer.writeUInt8(value, offset, noAssert);
  } else {
    buffer.writeUInt8(0xff + value + 1, offset, noAssert);
  }
};

function writeInt16(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'Trying to write beyond buffer length');

    verifsint(value, 0x7fff, -0x8000);
  }

  if (value >= 0) {
    writeUInt16(buffer, value, offset, isBigEndian, noAssert);
  } else {
    writeUInt16(buffer, 0xffff + value + 1, offset, isBigEndian, noAssert);
  }
}

Buffer.prototype.writeInt16LE = function(value, offset, noAssert) {
  writeInt16(this, value, offset, false, noAssert);
};

Buffer.prototype.writeInt16BE = function(value, offset, noAssert) {
  writeInt16(this, value, offset, true, noAssert);
};

function writeInt32(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to write beyond buffer length');

    verifsint(value, 0x7fffffff, -0x80000000);
  }

  if (value >= 0) {
    writeUInt32(buffer, value, offset, isBigEndian, noAssert);
  } else {
    writeUInt32(buffer, 0xffffffff + value + 1, offset, isBigEndian, noAssert);
  }
}

Buffer.prototype.writeInt32LE = function(value, offset, noAssert) {
  writeInt32(this, value, offset, false, noAssert);
};

Buffer.prototype.writeInt32BE = function(value, offset, noAssert) {
  writeInt32(this, value, offset, true, noAssert);
};

function writeFloat(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to write beyond buffer length');

    verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38);
  }

  require('./buffer_ieee754').writeIEEE754(buffer, value, offset, isBigEndian,
      23, 4);
}

Buffer.prototype.writeFloatLE = function(value, offset, noAssert) {
  writeFloat(this, value, offset, false, noAssert);
};

Buffer.prototype.writeFloatBE = function(value, offset, noAssert) {
  writeFloat(this, value, offset, true, noAssert);
};

function writeDouble(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 7 < buffer.length,
        'Trying to write beyond buffer length');

    verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308);
  }

  require('./buffer_ieee754').writeIEEE754(buffer, value, offset, isBigEndian,
      52, 8);
}

Buffer.prototype.writeDoubleLE = function(value, offset, noAssert) {
  writeDouble(this, value, offset, false, noAssert);
};

Buffer.prototype.writeDoubleBE = function(value, offset, noAssert) {
  writeDouble(this, value, offset, true, noAssert);
};

},{"./buffer_ieee754":15,"assert":7,"base64-js":17}],17:[function(require,module,exports){
(function (exports) {
	'use strict';

	var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

	function b64ToByteArray(b64) {
		var i, j, l, tmp, placeHolders, arr;
	
		if (b64.length % 4 > 0) {
			throw 'Invalid string. Length must be a multiple of 4';
		}

		// the number of equal signs (place holders)
		// if there are two placeholders, than the two characters before it
		// represent one byte
		// if there is only one, then the three characters before it represent 2 bytes
		// this is just a cheap hack to not do indexOf twice
		placeHolders = b64.indexOf('=');
		placeHolders = placeHolders > 0 ? b64.length - placeHolders : 0;

		// base64 is 4/3 + up to two characters of the original data
		arr = [];//new Uint8Array(b64.length * 3 / 4 - placeHolders);

		// if there are placeholders, only get up to the last complete 4 chars
		l = placeHolders > 0 ? b64.length - 4 : b64.length;

		for (i = 0, j = 0; i < l; i += 4, j += 3) {
			tmp = (lookup.indexOf(b64[i]) << 18) | (lookup.indexOf(b64[i + 1]) << 12) | (lookup.indexOf(b64[i + 2]) << 6) | lookup.indexOf(b64[i + 3]);
			arr.push((tmp & 0xFF0000) >> 16);
			arr.push((tmp & 0xFF00) >> 8);
			arr.push(tmp & 0xFF);
		}

		if (placeHolders === 2) {
			tmp = (lookup.indexOf(b64[i]) << 2) | (lookup.indexOf(b64[i + 1]) >> 4);
			arr.push(tmp & 0xFF);
		} else if (placeHolders === 1) {
			tmp = (lookup.indexOf(b64[i]) << 10) | (lookup.indexOf(b64[i + 1]) << 4) | (lookup.indexOf(b64[i + 2]) >> 2);
			arr.push((tmp >> 8) & 0xFF);
			arr.push(tmp & 0xFF);
		}

		return arr;
	}

	function uint8ToBase64(uint8) {
		var i,
			extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
			output = "",
			temp, length;

		function tripletToBase64 (num) {
			return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
		};

		// go through the array every three bytes, we'll deal with trailing stuff later
		for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
			temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
			output += tripletToBase64(temp);
		}

		// pad the end with zeros, but make sure to not forget the extra bytes
		switch (extraBytes) {
			case 1:
				temp = uint8[uint8.length - 1];
				output += lookup[temp >> 2];
				output += lookup[(temp << 4) & 0x3F];
				output += '==';
				break;
			case 2:
				temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]);
				output += lookup[temp >> 10];
				output += lookup[(temp >> 4) & 0x3F];
				output += lookup[(temp << 2) & 0x3F];
				output += '=';
				break;
		}

		return output;
	}

	module.exports.toByteArray = b64ToByteArray;
	module.exports.fromByteArray = uint8ToBase64;
}());

},{}],18:[function(require,module,exports){
var Buffer=require("__browserify_Buffer").Buffer;var Zlib = module.exports = require('./zlib');

// the least I can do is make error messages for the rest of the node.js/zlib api.
// (thanks, dominictarr)
function error () {
  var m = [].slice.call(arguments).join(' ')
  throw new Error([
    m,
    'we accept pull requests',
    'http://github.com/brianloveswords/zlib-browserify'
    ].join('\n'))
}

;['createGzip'
, 'createGunzip'
, 'createDeflate'
, 'createDeflateRaw'
, 'createInflate'
, 'createInflateRaw'
, 'createUnzip'
, 'Gzip'
, 'Gunzip'
, 'Inflate'
, 'InflateRaw'
, 'Deflate'
, 'DeflateRaw'
, 'Unzip'
, 'inflateRaw'
, 'deflateRaw'].forEach(function (name) {
  Zlib[name] = function () {
    error('sorry,', name, 'is not implemented yet')
  }
});

var _deflate = Zlib.deflate;
var _gzip = Zlib.gzip;

Zlib.deflate = function deflate(stringOrBuffer, callback) {
  return _deflate(Buffer(stringOrBuffer), callback);
};
Zlib.gzip = function gzip(stringOrBuffer, callback) {
  return _gzip(Buffer(stringOrBuffer), callback);
};

},{"./zlib":19,"__browserify_Buffer":20}],19:[function(require,module,exports){
var process=require("__browserify_process"),Buffer=require("__browserify_Buffer").Buffer;/** @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT License */
(function() {'use strict';function m(c){throw c;}var r=void 0,u=!0;var B="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array;function aa(c){if("string"===typeof c){var a=c.split(""),b,e;b=0;for(e=a.length;b<e;b++)a[b]=(a[b].charCodeAt(0)&255)>>>0;c=a}for(var f=1,d=0,g=c.length,h,j=0;0<g;){h=1024<g?1024:g;g-=h;do f+=c[j++],d+=f;while(--h);f%=65521;d%=65521}return(d<<16|f)>>>0};function I(c,a){this.index="number"===typeof a?a:0;this.n=0;this.buffer=c instanceof(B?Uint8Array:Array)?c:new (B?Uint8Array:Array)(32768);2*this.buffer.length<=this.index&&m(Error("invalid index"));this.buffer.length<=this.index&&this.f()}I.prototype.f=function(){var c=this.buffer,a,b=c.length,e=new (B?Uint8Array:Array)(b<<1);if(B)e.set(c);else for(a=0;a<b;++a)e[a]=c[a];return this.buffer=e};
I.prototype.d=function(c,a,b){var e=this.buffer,f=this.index,d=this.n,g=e[f],h;b&&1<a&&(c=8<a?(K[c&255]<<24|K[c>>>8&255]<<16|K[c>>>16&255]<<8|K[c>>>24&255])>>32-a:K[c]>>8-a);if(8>a+d)g=g<<a|c,d+=a;else for(h=0;h<a;++h)g=g<<1|c>>a-h-1&1,8===++d&&(d=0,e[f++]=K[g],g=0,f===e.length&&(e=this.f()));e[f]=g;this.buffer=e;this.n=d;this.index=f};I.prototype.finish=function(){var c=this.buffer,a=this.index,b;0<this.n&&(c[a]<<=8-this.n,c[a]=K[c[a]],a++);B?b=c.subarray(0,a):(c.length=a,b=c);return b};
var ba=new (B?Uint8Array:Array)(256),Q;for(Q=0;256>Q;++Q){for(var R=Q,ga=R,ha=7,R=R>>>1;R;R>>>=1)ga<<=1,ga|=R&1,--ha;ba[Q]=(ga<<ha&255)>>>0}var K=ba;var S={k:function(c,a,b){return S.update(c,0,a,b)},update:function(c,a,b,e){for(var f=S.L,d="number"===typeof b?b:b=0,g="number"===typeof e?e:c.length,a=a^4294967295,d=g&7;d--;++b)a=a>>>8^f[(a^c[b])&255];for(d=g>>3;d--;b+=8)a=a>>>8^f[(a^c[b])&255],a=a>>>8^f[(a^c[b+1])&255],a=a>>>8^f[(a^c[b+2])&255],a=a>>>8^f[(a^c[b+3])&255],a=a>>>8^f[(a^c[b+4])&255],a=a>>>8^f[(a^c[b+5])&255],a=a>>>8^f[(a^c[b+6])&255],a=a>>>8^f[(a^c[b+7])&255];return(a^4294967295)>>>0}},ia=S,ja,ka=[0,1996959894,3993919788,2567524794,
124634137,1886057615,3915621685,2657392035,249268274,2044508324,3772115230,2547177864,162941995,2125561021,3887607047,2428444049,498536548,1789927666,4089016648,2227061214,450548861,1843258603,4107580753,2211677639,325883990,1684777152,4251122042,2321926636,335633487,1661365465,4195302755,2366115317,997073096,1281953886,3579855332,2724688242,1006888145,1258607687,3524101629,2768942443,901097722,1119000684,3686517206,2898065728,853044451,1172266101,3705015759,2882616665,651767980,1373503546,3369554304,
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pa.prototype.h=function(){var c,a,b,e,f=this.input;switch(this.l){case 0:b=0;for(e=f.length;b<e;){a=B?f.subarray(b,b+65535):f.slice(b,b+65535);b+=a.length;var d=a,g=b===e,h=r,j=r,i=r,q=r,l=r,k=this.a,p=this.b;if(B){for(k=new Uint8Array(this.a.buffer);k.length<=p+d.length+5;)k=new Uint8Array(k.length<<1);k.set(this.a)}h=g?1:0;k[p++]=h|0;j=d.length;i=~j+65536&65535;k[p++]=j&255;k[p++]=j>>>8&255;k[p++]=i&255;k[p++]=i>>>8&255;if(B)k.set(d,p),p+=d.length,k=k.subarray(0,p);else{q=0;for(l=d.length;q<l;++q)k[p++]=
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la[Z],u),16<=Z){G++;switch(Z){case 16:ma=2;break;case 17:ma=3;break;case 18:ma=7;break;default:m("invalid code: "+Z)}A.d(c[G],ma,u)}var Ra=[La,V],Sa=[Ma,da],P,Ta,fa,ya,Ua,Va,Wa,Xa;Ua=Ra[0];Va=Ra[1];Wa=Sa[0];Xa=Sa[1];P=0;for(Ta=n.length;P<Ta;++P)if(fa=n[P],A.d(Ua[fa],Va[fa],u),256<fa)A.d(n[++P],n[++P],u),ya=n[++P],A.d(Wa[ya],Xa[ya],u),A.d(n[++P],n[++P],u);else if(256===fa)break;this.a=A.finish();this.b=this.a.length;break;default:m("invalid compression type")}return this.a};
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function za(){var c=Aa;switch(u){case 3===c:return[257,c-3,0];case 4===c:return[258,c-4,0];case 5===c:return[259,c-5,0];case 6===c:return[260,c-6,0];case 7===c:return[261,c-7,0];case 8===c:return[262,c-8,0];case 9===c:return[263,c-9,0];case 10===c:return[264,c-10,0];case 12>=c:return[265,c-11,1];case 14>=c:return[266,c-13,1];case 16>=c:return[267,c-15,1];case 18>=c:return[268,c-17,1];case 22>=c:return[269,c-19,2];case 26>=c:return[270,c-23,2];case 30>=c:return[271,c-27,2];case 34>=c:return[272,c-
31,2];case 42>=c:return[273,c-35,3];case 50>=c:return[274,c-43,3];case 58>=c:return[275,c-51,3];case 66>=c:return[276,c-59,3];case 82>=c:return[277,c-67,4];case 98>=c:return[278,c-83,4];case 114>=c:return[279,c-99,4];case 130>=c:return[280,c-115,4];case 162>=c:return[281,c-131,5];case 194>=c:return[282,c-163,5];case 226>=c:return[283,c-195,5];case 257>=c:return[284,c-227,5];case 258===c:return[285,c-258,0];default:m("invalid length: "+c)}}var Ba=[],Aa,Ca;
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function ta(c,a){function b(a,c){var b=a.N,d=[],e=0,f;f=Da[a.length];d[e++]=f&65535;d[e++]=f>>16&255;d[e++]=f>>24;var g;switch(u){case 1===b:g=[0,b-1,0];break;case 2===b:g=[1,b-2,0];break;case 3===b:g=[2,b-3,0];break;case 4===b:g=[3,b-4,0];break;case 6>=b:g=[4,b-5,1];break;case 8>=b:g=[5,b-7,1];break;case 12>=b:g=[6,b-9,2];break;case 16>=b:g=[7,b-13,2];break;case 24>=b:g=[8,b-17,3];break;case 32>=b:g=[9,b-25,3];break;case 48>=b:g=[10,b-33,4];break;case 64>=b:g=[11,b-49,4];break;case 96>=b:g=[12,b-
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function ua(c,a){function b(a){var c=x[a][F[a]];c===l?(b(a+1),b(a+1)):--t[c];++F[a]}var e=c.length,f=new oa(572),d=new (B?Uint8Array:Array)(e),g,h,j,i,q;if(!B)for(i=0;i<e;i++)d[i]=0;for(i=0;i<e;++i)0<c[i]&&f.push(i,c[i]);g=Array(f.length/2);h=new (B?Uint32Array:Array)(f.length/2);if(1===g.length)return d[f.pop().index]=1,d;i=0;for(q=f.length/2;i<q;++i)g[i]=f.pop(),h[i]=g[i].value;var l=h.length,k=new (B?Uint16Array:Array)(a),p=new (B?Uint8Array:Array)(a),t=new (B?Uint8Array:Array)(l),v=Array(a),x=
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Ea.prototype.h=function(){var c,a,b,e,f,d,g,h=0;g=this.a;c=Ga;switch(c){case Ga:a=Math.LOG2E*Math.log(32768)-8;break;default:m(Error("invalid compression method"))}b=a<<4|c;g[h++]=b;switch(c){case Ga:switch(this.l){case Fa.NONE:f=0;break;case Fa.K:f=1;break;case Fa.u:f=2;break;default:m(Error("unsupported compression type"))}break;default:m(Error("invalid compression method"))}e=f<<6|0;g[h++]=e|31-(256*b+e)%31;d=aa(this.input);this.H.b=h;g=this.H.h();h=g.length;B&&(g=new Uint8Array(g.buffer),g.length<=
h+4&&(this.a=new Uint8Array(g.length+4),this.a.set(g),g=this.a),g=g.subarray(0,h+4));g[h++]=d>>24&255;g[h++]=d>>16&255;g[h++]=d>>8&255;g[h++]=d&255;return g};function Ha(c,a){this.input=c;this.b=this.c=0;this.g={};a&&(a.flags&&(this.g=a.flags),"string"===typeof a.filename&&(this.filename=a.filename),"string"===typeof a.comment&&(this.comment=a.comment),a.deflateOptions&&(this.m=a.deflateOptions));this.m||(this.m={})}
Ha.prototype.h=function(){var c,a,b,e,f,d,g,h,j=new (B?Uint8Array:Array)(32768),i=0,q=this.input,l=this.c,k=this.filename,p=this.comment;j[i++]=31;j[i++]=139;j[i++]=8;c=0;this.g.fname&&(c|=Ia);this.g.fcomment&&(c|=Ja);this.g.fhcrc&&(c|=Ka);j[i++]=c;a=(Date.now?Date.now():+new Date)/1E3|0;j[i++]=a&255;j[i++]=a>>>8&255;j[i++]=a>>>16&255;j[i++]=a>>>24&255;j[i++]=0;j[i++]=Ya;if(this.g.fname!==r){g=0;for(h=k.length;g<h;++g)d=k.charCodeAt(g),255<d&&(j[i++]=d>>>8&255),j[i++]=d&255;j[i++]=0}if(this.g.comment){g=
0;for(h=p.length;g<h;++g)d=p.charCodeAt(g),255<d&&(j[i++]=d>>>8&255),j[i++]=d&255;j[i++]=0}this.g.fhcrc&&(b=S.k(j,0,i)&65535,j[i++]=b&255,j[i++]=b>>>8&255);this.m.outputBuffer=j;this.m.outputIndex=i;f=new pa(q,this.m);j=f.h();i=f.b;B&&(i+8>j.buffer.byteLength?(this.a=new Uint8Array(i+8),this.a.set(new Uint8Array(j.buffer)),j=this.a):j=new Uint8Array(j.buffer));e=S.k(q);j[i++]=e&255;j[i++]=e>>>8&255;j[i++]=e>>>16&255;j[i++]=e>>>24&255;h=q.length;j[i++]=h&255;j[i++]=h>>>8&255;j[i++]=h>>>16&255;j[i++]=
h>>>24&255;this.c=l;B&&i<j.length&&(this.a=j=j.subarray(0,i));return j};var Ya=255,Ka=2,Ia=8,Ja=16;function W(c,a){this.p=[];this.q=32768;this.e=this.j=this.c=this.t=0;this.input=B?new Uint8Array(c):c;this.v=!1;this.r=Za;this.J=!1;if(a||!(a={}))a.index&&(this.c=a.index),a.bufferSize&&(this.q=a.bufferSize),a.bufferType&&(this.r=a.bufferType),a.resize&&(this.J=a.resize);switch(this.r){case $a:this.b=32768;this.a=new (B?Uint8Array:Array)(32768+this.q+258);break;case Za:this.b=0;this.a=new (B?Uint8Array:Array)(this.q);this.f=this.R;this.z=this.O;this.s=this.Q;break;default:m(Error("invalid inflate mode"))}}
var $a=0,Za=1;
W.prototype.i=function(){for(;!this.v;){var c=X(this,3);c&1&&(this.v=u);c>>>=1;switch(c){case 0:var a=this.input,b=this.c,e=this.a,f=this.b,d=r,g=r,h=r,j=e.length,i=r;this.e=this.j=0;d=a[b++];d===r&&m(Error("invalid uncompressed block header: LEN (first byte)"));g=d;d=a[b++];d===r&&m(Error("invalid uncompressed block header: LEN (second byte)"));g|=d<<8;d=a[b++];d===r&&m(Error("invalid uncompressed block header: NLEN (first byte)"));h=d;d=a[b++];d===r&&m(Error("invalid uncompressed block header: NLEN (second byte)"));h|=
d<<8;g===~h&&m(Error("invalid uncompressed block header: length verify"));b+g>a.length&&m(Error("input buffer is broken"));switch(this.r){case $a:for(;f+g>e.length;){i=j-f;g-=i;if(B)e.set(a.subarray(b,b+i),f),f+=i,b+=i;else for(;i--;)e[f++]=a[b++];this.b=f;e=this.f();f=this.b}break;case Za:for(;f+g>e.length;)e=this.f({B:2});break;default:m(Error("invalid inflate mode"))}if(B)e.set(a.subarray(b,b+g),f),f+=g,b+=g;else for(;g--;)e[f++]=a[b++];this.c=b;this.b=f;this.a=e;break;case 1:this.s(ab,bb);break;
case 2:cb(this);break;default:m(Error("unknown BTYPE: "+c))}}return this.z()};
var db=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],eb=B?new Uint16Array(db):db,fb=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258],gb=B?new Uint16Array(fb):fb,hb=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0],ib=B?new Uint8Array(hb):hb,jb=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577],kb=B?new Uint16Array(jb):jb,lb=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,
10,11,11,12,12,13,13],mb=B?new Uint8Array(lb):lb,nb=new (B?Uint8Array:Array)(288),Y,ob;Y=0;for(ob=nb.length;Y<ob;++Y)nb[Y]=143>=Y?8:255>=Y?9:279>=Y?7:8;var ab=T(nb),pb=new (B?Uint8Array:Array)(30),qb,rb;qb=0;for(rb=pb.length;qb<rb;++qb)pb[qb]=5;var bb=T(pb);function X(c,a){for(var b=c.j,e=c.e,f=c.input,d=c.c,g;e<a;)g=f[d++],g===r&&m(Error("input buffer is broken")),b|=g<<e,e+=8;g=b&(1<<a)-1;c.j=b>>>a;c.e=e-a;c.c=d;return g}
function sb(c,a){for(var b=c.j,e=c.e,f=c.input,d=c.c,g=a[0],h=a[1],j,i,q;e<h;)j=f[d++],j===r&&m(Error("input buffer is broken")),b|=j<<e,e+=8;i=g[b&(1<<h)-1];q=i>>>16;c.j=b>>q;c.e=e-q;c.c=d;return i&65535}
function cb(c){function a(a,b,c){var d,f,e,g;for(g=0;g<a;)switch(d=sb(this,b),d){case 16:for(e=3+X(this,2);e--;)c[g++]=f;break;case 17:for(e=3+X(this,3);e--;)c[g++]=0;f=0;break;case 18:for(e=11+X(this,7);e--;)c[g++]=0;f=0;break;default:f=c[g++]=d}return c}var b=X(c,5)+257,e=X(c,5)+1,f=X(c,4)+4,d=new (B?Uint8Array:Array)(eb.length),g,h,j,i;for(i=0;i<f;++i)d[eb[i]]=X(c,3);g=T(d);h=new (B?Uint8Array:Array)(b);j=new (B?Uint8Array:Array)(e);c.s(T(a.call(c,b,g,h)),T(a.call(c,e,g,j)))}
W.prototype.s=function(c,a){var b=this.a,e=this.b;this.A=c;for(var f=b.length-258,d,g,h,j;256!==(d=sb(this,c));)if(256>d)e>=f&&(this.b=e,b=this.f(),e=this.b),b[e++]=d;else{g=d-257;j=gb[g];0<ib[g]&&(j+=X(this,ib[g]));d=sb(this,a);h=kb[d];0<mb[d]&&(h+=X(this,mb[d]));e>=f&&(this.b=e,b=this.f(),e=this.b);for(;j--;)b[e]=b[e++-h]}for(;8<=this.e;)this.e-=8,this.c--;this.b=e};
W.prototype.Q=function(c,a){var b=this.a,e=this.b;this.A=c;for(var f=b.length,d,g,h,j;256!==(d=sb(this,c));)if(256>d)e>=f&&(b=this.f(),f=b.length),b[e++]=d;else{g=d-257;j=gb[g];0<ib[g]&&(j+=X(this,ib[g]));d=sb(this,a);h=kb[d];0<mb[d]&&(h+=X(this,mb[d]));e+j>f&&(b=this.f(),f=b.length);for(;j--;)b[e]=b[e++-h]}for(;8<=this.e;)this.e-=8,this.c--;this.b=e};
W.prototype.f=function(){var c=new (B?Uint8Array:Array)(this.b-32768),a=this.b-32768,b,e,f=this.a;if(B)c.set(f.subarray(32768,c.length));else{b=0;for(e=c.length;b<e;++b)c[b]=f[b+32768]}this.p.push(c);this.t+=c.length;if(B)f.set(f.subarray(a,a+32768));else for(b=0;32768>b;++b)f[b]=f[a+b];this.b=32768;return f};
W.prototype.R=function(c){var a,b=this.input.length/this.c+1|0,e,f,d,g=this.input,h=this.a;c&&("number"===typeof c.B&&(b=c.B),"number"===typeof c.M&&(b+=c.M));2>b?(e=(g.length-this.c)/this.A[2],d=258*(e/2)|0,f=d<h.length?h.length+d:h.length<<1):f=h.length*b;B?(a=new Uint8Array(f),a.set(h)):a=h;return this.a=a};
W.prototype.z=function(){var c=0,a=this.a,b=this.p,e,f=new (B?Uint8Array:Array)(this.t+(this.b-32768)),d,g,h,j;if(0===b.length)return B?this.a.subarray(32768,this.b):this.a.slice(32768,this.b);d=0;for(g=b.length;d<g;++d){e=b[d];h=0;for(j=e.length;h<j;++h)f[c++]=e[h]}d=32768;for(g=this.b;d<g;++d)f[c++]=a[d];this.p=[];return this.buffer=f};
W.prototype.O=function(){var c,a=this.b;B?this.J?(c=new Uint8Array(a),c.set(this.a.subarray(0,a))):c=this.a.subarray(0,a):(this.a.length>a&&(this.a.length=a),c=this.a);return this.buffer=c};function tb(c){this.input=c;this.c=0;this.member=[]}
tb.prototype.i=function(){for(var c=this.input.length;this.c<c;){var a=new na,b=r,e=r,f=r,d=r,g=r,h=r,j=r,i=r,q=r,l=this.input,k=this.c;a.C=l[k++];a.D=l[k++];(31!==a.C||139!==a.D)&&m(Error("invalid file signature:",a.C,a.D));a.w=l[k++];switch(a.w){case 8:break;default:m(Error("unknown compression method: "+a.w))}a.o=l[k++];i=l[k++]|l[k++]<<8|l[k++]<<16|l[k++]<<24;a.Z=new Date(1E3*i);a.aa=l[k++];a.$=l[k++];0<(a.o&4)&&(a.V=l[k++]|l[k++]<<8,k+=a.V);if(0<(a.o&Ia)){j=[];for(h=0;0<(g=l[k++]);)j[h++]=String.fromCharCode(g);
a.name=j.join("")}if(0<(a.o&Ja)){j=[];for(h=0;0<(g=l[k++]);)j[h++]=String.fromCharCode(g);a.comment=j.join("")}0<(a.o&Ka)&&(a.P=S.k(l,0,k)&65535,a.P!==(l[k++]|l[k++]<<8)&&m(Error("invalid header crc16")));b=l[l.length-4]|l[l.length-3]<<8|l[l.length-2]<<16|l[l.length-1]<<24;l.length-k-4-4<512*b&&(d=b);e=new W(l,{index:k,bufferSize:d});a.data=f=e.i();k=e.c;a.X=q=(l[k++]|l[k++]<<8|l[k++]<<16|l[k++]<<24)>>>0;S.k(f)!==q&&m(Error("invalid CRC-32 checksum: 0x"+S.k(f).toString(16)+" / 0x"+q.toString(16)));
a.Y=b=(l[k++]|l[k++]<<8|l[k++]<<16|l[k++]<<24)>>>0;(f.length&4294967295)!==b&&m(Error("invalid input size: "+(f.length&4294967295)+" / "+b));this.member.push(a);this.c=k}var p=this.member,t,v,x=0,F=0,w;t=0;for(v=p.length;t<v;++t)F+=p[t].data.length;if(B){w=new Uint8Array(F);for(t=0;t<v;++t)w.set(p[t].data,x),x+=p[t].data.length}else{w=[];for(t=0;t<v;++t)w[t]=p[t].data;w=Array.prototype.concat.apply([],w)}return w};function ub(c,a){var b,e;this.input=c;this.c=0;if(a||!(a={}))a.index&&(this.c=a.index),a.verify&&(this.U=a.verify);b=c[this.c++];e=c[this.c++];switch(b&15){case Ga:this.method=Ga;break;default:m(Error("unsupported compression method"))}0!==((b<<8)+e)%31&&m(Error("invalid fcheck flag:"+((b<<8)+e)%31));e&32&&m(Error("fdict flag is not supported"));this.I=new W(c,{index:this.c,bufferSize:a.bufferSize,bufferType:a.bufferType,resize:a.resize})}
ub.prototype.i=function(){var c=this.input,a,b;a=this.I.i();this.c=this.I.c;this.U&&(b=(c[this.c++]<<24|c[this.c++]<<16|c[this.c++]<<8|c[this.c++])>>>0,b!==aa(a)&&m(Error("invalid adler-32 checksum")));return a};exports.deflate=vb;exports.deflateSync=wb;exports.inflate=xb;exports.inflateSync=yb;exports.gzip=zb;exports.gzipSync=Ab;exports.gunzip=Bb;exports.gunzipSync=Cb;function vb(c,a,b){process.nextTick(function(){var e,f;try{f=wb(c,b)}catch(d){e=d}a(e,f)})}function wb(c,a){var b;b=(new Ea(c)).h();a||(a={});return a.G?b:Db(b)}function xb(c,a,b){process.nextTick(function(){var e,f;try{f=yb(c,b)}catch(d){e=d}a(e,f)})}
function yb(c,a){var b;c.subarray=c.slice;b=(new ub(c)).i();a||(a={});return a.noBuffer?b:Db(b)}function zb(c,a,b){process.nextTick(function(){var e,f;try{f=Ab(c,b)}catch(d){e=d}a(e,f)})}function Ab(c,a){var b;c.subarray=c.slice;b=(new Ha(c)).h();a||(a={});return a.G?b:Db(b)}function Bb(c,a,b){process.nextTick(function(){var e,f;try{f=Cb(c,b)}catch(d){e=d}a(e,f)})}function Cb(c,a){var b;c.subarray=c.slice;b=(new tb(c)).i();a||(a={});return a.G?b:Db(b)}
function Db(c){var a=new Buffer(c.length),b,e;b=0;for(e=c.length;b<e;++b)a[b]=c[b];return a};var Eb=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];B&&new Uint16Array(Eb);var Fb=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258];B&&new Uint16Array(Fb);var Gb=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0];B&&new Uint8Array(Gb);var Hb=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577];B&&new Uint16Array(Hb);
var Ib=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];B&&new Uint8Array(Ib);var Jb=new (B?Uint8Array:Array)(288),$,Kb;$=0;for(Kb=Jb.length;$<Kb;++$)Jb[$]=143>=$?8:255>=$?9:279>=$?7:8;T(Jb);var Lb=new (B?Uint8Array:Array)(30),Mb,Nb;Mb=0;for(Nb=Lb.length;Mb<Nb;++Mb)Lb[Mb]=5;T(Lb);var Ga=8;}).call(this);

},{"__browserify_Buffer":20,"__browserify_process":21}],20:[function(require,module,exports){
require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
exports.readIEEE754 = function(buffer, offset, isBE, mLen, nBytes) {
  var e, m,
      eLen = nBytes * 8 - mLen - 1,
      eMax = (1 << eLen) - 1,
      eBias = eMax >> 1,
      nBits = -7,
      i = isBE ? 0 : (nBytes - 1),
      d = isBE ? 1 : -1,
      s = buffer[offset + i];

  i += d;

  e = s & ((1 << (-nBits)) - 1);
  s >>= (-nBits);
  nBits += eLen;
  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8);

  m = e & ((1 << (-nBits)) - 1);
  e >>= (-nBits);
  nBits += mLen;
  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8);

  if (e === 0) {
    e = 1 - eBias;
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity);
  } else {
    m = m + Math.pow(2, mLen);
    e = e - eBias;
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
};

exports.writeIEEE754 = function(buffer, value, offset, isBE, mLen, nBytes) {
  var e, m, c,
      eLen = nBytes * 8 - mLen - 1,
      eMax = (1 << eLen) - 1,
      eBias = eMax >> 1,
      rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0),
      i = isBE ? (nBytes - 1) : 0,
      d = isBE ? -1 : 1,
      s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;

  value = Math.abs(value);

  if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0;
    e = eMax;
  } else {
    e = Math.floor(Math.log(value) / Math.LN2);
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--;
      c *= 2;
    }
    if (e + eBias >= 1) {
      value += rt / c;
    } else {
      value += rt * Math.pow(2, 1 - eBias);
    }
    if (value * c >= 2) {
      e++;
      c /= 2;
    }

    if (e + eBias >= eMax) {
      m = 0;
      e = eMax;
    } else if (e + eBias >= 1) {
      m = (value * c - 1) * Math.pow(2, mLen);
      e = e + eBias;
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
      e = 0;
    }
  }

  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8);

  e = (e << mLen) | m;
  eLen += mLen;
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8);

  buffer[offset + i - d] |= s * 128;
};

},{}],"q9TxCC":[function(require,module,exports){
var assert;
exports.Buffer = Buffer;
exports.SlowBuffer = Buffer;
Buffer.poolSize = 8192;
exports.INSPECT_MAX_BYTES = 50;

function stringtrim(str) {
  if (str.trim) return str.trim();
  return str.replace(/^\s+|\s+$/g, '');
}

function Buffer(subject, encoding, offset) {
  if(!assert) assert= require('assert');
  if (!(this instanceof Buffer)) {
    return new Buffer(subject, encoding, offset);
  }
  this.parent = this;
  this.offset = 0;

  // Work-around: node's base64 implementation
  // allows for non-padded strings while base64-js
  // does not..
  if (encoding == "base64" && typeof subject == "string") {
    subject = stringtrim(subject);
    while (subject.length % 4 != 0) {
      subject = subject + "="; 
    }
  }

  var type;

  // Are we slicing?
  if (typeof offset === 'number') {
    this.length = coerce(encoding);
    // slicing works, with limitations (no parent tracking/update)
    // check https://github.com/toots/buffer-browserify/issues/19
    for (var i = 0; i < this.length; i++) {
        this[i] = subject.get(i+offset);
    }
  } else {
    // Find the length
    switch (type = typeof subject) {
      case 'number':
        this.length = coerce(subject);
        break;

      case 'string':
        this.length = Buffer.byteLength(subject, encoding);
        break;

      case 'object': // Assume object is an array
        this.length = coerce(subject.length);
        break;

      default:
        throw new Error('First argument needs to be a number, ' +
                        'array or string.');
    }

    // Treat array-ish objects as a byte array.
    if (isArrayIsh(subject)) {
      for (var i = 0; i < this.length; i++) {
        if (subject instanceof Buffer) {
          this[i] = subject.readUInt8(i);
        }
        else {
          this[i] = subject[i];
        }
      }
    } else if (type == 'string') {
      // We are a string
      this.length = this.write(subject, 0, encoding);
    } else if (type === 'number') {
      for (var i = 0; i < this.length; i++) {
        this[i] = 0;
      }
    }
  }
}

Buffer.prototype.get = function get(i) {
  if (i < 0 || i >= this.length) throw new Error('oob');
  return this[i];
};

Buffer.prototype.set = function set(i, v) {
  if (i < 0 || i >= this.length) throw new Error('oob');
  return this[i] = v;
};

Buffer.byteLength = function (str, encoding) {
  switch (encoding || "utf8") {
    case 'hex':
      return str.length / 2;

    case 'utf8':
    case 'utf-8':
      return utf8ToBytes(str).length;

    case 'ascii':
    case 'binary':
      return str.length;

    case 'base64':
      return base64ToBytes(str).length;

    default:
      throw new Error('Unknown encoding');
  }
};

Buffer.prototype.utf8Write = function (string, offset, length) {
  var bytes, pos;
  return Buffer._charsWritten =  blitBuffer(utf8ToBytes(string), this, offset, length);
};

Buffer.prototype.asciiWrite = function (string, offset, length) {
  var bytes, pos;
  return Buffer._charsWritten =  blitBuffer(asciiToBytes(string), this, offset, length);
};

Buffer.prototype.binaryWrite = Buffer.prototype.asciiWrite;

Buffer.prototype.base64Write = function (string, offset, length) {
  var bytes, pos;
  return Buffer._charsWritten = blitBuffer(base64ToBytes(string), this, offset, length);
};

Buffer.prototype.base64Slice = function (start, end) {
  var bytes = Array.prototype.slice.apply(this, arguments)
  return require("base64-js").fromByteArray(bytes);
};

Buffer.prototype.utf8Slice = function () {
  var bytes = Array.prototype.slice.apply(this, arguments);
  var res = "";
  var tmp = "";
  var i = 0;
  while (i < bytes.length) {
    if (bytes[i] <= 0x7F) {
      res += decodeUtf8Char(tmp) + String.fromCharCode(bytes[i]);
      tmp = "";
    } else
      tmp += "%" + bytes[i].toString(16);

    i++;
  }

  return res + decodeUtf8Char(tmp);
}

Buffer.prototype.asciiSlice = function () {
  var bytes = Array.prototype.slice.apply(this, arguments);
  var ret = "";
  for (var i = 0; i < bytes.length; i++)
    ret += String.fromCharCode(bytes[i]);
  return ret;
}

Buffer.prototype.binarySlice = Buffer.prototype.asciiSlice;

Buffer.prototype.inspect = function() {
  var out = [],
      len = this.length;
  for (var i = 0; i < len; i++) {
    out[i] = toHex(this[i]);
    if (i == exports.INSPECT_MAX_BYTES) {
      out[i + 1] = '...';
      break;
    }
  }
  return '<Buffer ' + out.join(' ') + '>';
};


Buffer.prototype.hexSlice = function(start, end) {
  var len = this.length;

  if (!start || start < 0) start = 0;
  if (!end || end < 0 || end > len) end = len;

  var out = '';
  for (var i = start; i < end; i++) {
    out += toHex(this[i]);
  }
  return out;
};


Buffer.prototype.toString = function(encoding, start, end) {
  encoding = String(encoding || 'utf8').toLowerCase();
  start = +start || 0;
  if (typeof end == 'undefined') end = this.length;

  // Fastpath empty strings
  if (+end == start) {
    return '';
  }

  switch (encoding) {
    case 'hex':
      return this.hexSlice(start, end);

    case 'utf8':
    case 'utf-8':
      return this.utf8Slice(start, end);

    case 'ascii':
      return this.asciiSlice(start, end);

    case 'binary':
      return this.binarySlice(start, end);

    case 'base64':
      return this.base64Slice(start, end);

    case 'ucs2':
    case 'ucs-2':
      return this.ucs2Slice(start, end);

    default:
      throw new Error('Unknown encoding');
  }
};


Buffer.prototype.hexWrite = function(string, offset, length) {
  offset = +offset || 0;
  var remaining = this.length - offset;
  if (!length) {
    length = remaining;
  } else {
    length = +length;
    if (length > remaining) {
      length = remaining;
    }
  }

  // must be an even number of digits
  var strLen = string.length;
  if (strLen % 2) {
    throw new Error('Invalid hex string');
  }
  if (length > strLen / 2) {
    length = strLen / 2;
  }
  for (var i = 0; i < length; i++) {
    var byte = parseInt(string.substr(i * 2, 2), 16);
    if (isNaN(byte)) throw new Error('Invalid hex string');
    this[offset + i] = byte;
  }
  Buffer._charsWritten = i * 2;
  return i;
};


Buffer.prototype.write = function(string, offset, length, encoding) {
  // Support both (string, offset, length, encoding)
  // and the legacy (string, encoding, offset, length)
  if (isFinite(offset)) {
    if (!isFinite(length)) {
      encoding = length;
      length = undefined;
    }
  } else {  // legacy
    var swap = encoding;
    encoding = offset;
    offset = length;
    length = swap;
  }

  offset = +offset || 0;
  var remaining = this.length - offset;
  if (!length) {
    length = remaining;
  } else {
    length = +length;
    if (length > remaining) {
      length = remaining;
    }
  }
  encoding = String(encoding || 'utf8').toLowerCase();

  switch (encoding) {
    case 'hex':
      return this.hexWrite(string, offset, length);

    case 'utf8':
    case 'utf-8':
      return this.utf8Write(string, offset, length);

    case 'ascii':
      return this.asciiWrite(string, offset, length);

    case 'binary':
      return this.binaryWrite(string, offset, length);

    case 'base64':
      return this.base64Write(string, offset, length);

    case 'ucs2':
    case 'ucs-2':
      return this.ucs2Write(string, offset, length);

    default:
      throw new Error('Unknown encoding');
  }
};

// slice(start, end)
function clamp(index, len, defaultValue) {
  if (typeof index !== 'number') return defaultValue;
  index = ~~index;  // Coerce to integer.
  if (index >= len) return len;
  if (index >= 0) return index;
  index += len;
  if (index >= 0) return index;
  return 0;
}

Buffer.prototype.slice = function(start, end) {
  var len = this.length;
  start = clamp(start, len, 0);
  end = clamp(end, len, len);
  return new Buffer(this, end - start, +start);
};

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function(target, target_start, start, end) {
  var source = this;
  start || (start = 0);
  if (end === undefined || isNaN(end)) {
    end = this.length;
  }
  target_start || (target_start = 0);

  if (end < start) throw new Error('sourceEnd < sourceStart');

  // Copy 0 bytes; we're done
  if (end === start) return 0;
  if (target.length == 0 || source.length == 0) return 0;

  if (target_start < 0 || target_start >= target.length) {
    throw new Error('targetStart out of bounds');
  }

  if (start < 0 || start >= source.length) {
    throw new Error('sourceStart out of bounds');
  }

  if (end < 0 || end > source.length) {
    throw new Error('sourceEnd out of bounds');
  }

  // Are we oob?
  if (end > this.length) {
    end = this.length;
  }

  if (target.length - target_start < end - start) {
    end = target.length - target_start + start;
  }

  var temp = [];
  for (var i=start; i<end; i++) {
    assert.ok(typeof this[i] !== 'undefined', "copying undefined buffer bytes!");
    temp.push(this[i]);
  }

  for (var i=target_start; i<target_start+temp.length; i++) {
    target[i] = temp[i-target_start];
  }
};

// fill(value, start=0, end=buffer.length)
Buffer.prototype.fill = function fill(value, start, end) {
  value || (value = 0);
  start || (start = 0);
  end || (end = this.length);

  if (typeof value === 'string') {
    value = value.charCodeAt(0);
  }
  if (!(typeof value === 'number') || isNaN(value)) {
    throw new Error('value is not a number');
  }

  if (end < start) throw new Error('end < start');

  // Fill 0 bytes; we're done
  if (end === start) return 0;
  if (this.length == 0) return 0;

  if (start < 0 || start >= this.length) {
    throw new Error('start out of bounds');
  }

  if (end < 0 || end > this.length) {
    throw new Error('end out of bounds');
  }

  for (var i = start; i < end; i++) {
    this[i] = value;
  }
}

// Static methods
Buffer.isBuffer = function isBuffer(b) {
  return b instanceof Buffer || b instanceof Buffer;
};

Buffer.concat = function (list, totalLength) {
  if (!isArray(list)) {
    throw new Error("Usage: Buffer.concat(list, [totalLength])\n \
      list should be an Array.");
  }

  if (list.length === 0) {
    return new Buffer(0);
  } else if (list.length === 1) {
    return list[0];
  }

  if (typeof totalLength !== 'number') {
    totalLength = 0;
    for (var i = 0; i < list.length; i++) {
      var buf = list[i];
      totalLength += buf.length;
    }
  }

  var buffer = new Buffer(totalLength);
  var pos = 0;
  for (var i = 0; i < list.length; i++) {
    var buf = list[i];
    buf.copy(buffer, pos);
    pos += buf.length;
  }
  return buffer;
};

Buffer.isEncoding = function(encoding) {
  switch ((encoding + '').toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
    case 'raw':
      return true;

    default:
      return false;
  }
};

// helpers

function coerce(length) {
  // Coerce length to a number (possibly NaN), round up
  // in case it's fractional (e.g. 123.456) then do a
  // double negate to coerce a NaN to 0. Easy, right?
  length = ~~Math.ceil(+length);
  return length < 0 ? 0 : length;
}

function isArray(subject) {
  return (Array.isArray ||
    function(subject){
      return {}.toString.apply(subject) == '[object Array]'
    })
    (subject)
}

function isArrayIsh(subject) {
  return isArray(subject) || Buffer.isBuffer(subject) ||
         subject && typeof subject === 'object' &&
         typeof subject.length === 'number';
}

function toHex(n) {
  if (n < 16) return '0' + n.toString(16);
  return n.toString(16);
}

function utf8ToBytes(str) {
  var byteArray = [];
  for (var i = 0; i < str.length; i++)
    if (str.charCodeAt(i) <= 0x7F)
      byteArray.push(str.charCodeAt(i));
    else {
      var h = encodeURIComponent(str.charAt(i)).substr(1).split('%');
      for (var j = 0; j < h.length; j++)
        byteArray.push(parseInt(h[j], 16));
    }

  return byteArray;
}

function asciiToBytes(str) {
  var byteArray = []
  for (var i = 0; i < str.length; i++ )
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push( str.charCodeAt(i) & 0xFF );

  return byteArray;
}

function base64ToBytes(str) {
  return require("base64-js").toByteArray(str);
}

function blitBuffer(src, dst, offset, length) {
  var pos, i = 0;
  while (i < length) {
    if ((i+offset >= dst.length) || (i >= src.length))
      break;

    dst[i + offset] = src[i];
    i++;
  }
  return i;
}

function decodeUtf8Char(str) {
  try {
    return decodeURIComponent(str);
  } catch (err) {
    return String.fromCharCode(0xFFFD); // UTF 8 invalid char
  }
}

// read/write bit-twiddling

Buffer.prototype.readUInt8 = function(offset, noAssert) {
  var buffer = this;

  if (!noAssert) {
    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return;

  return buffer[offset];
};

function readUInt16(buffer, offset, isBigEndian, noAssert) {
  var val = 0;


  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return 0;

  if (isBigEndian) {
    val = buffer[offset] << 8;
    if (offset + 1 < buffer.length) {
      val |= buffer[offset + 1];
    }
  } else {
    val = buffer[offset];
    if (offset + 1 < buffer.length) {
      val |= buffer[offset + 1] << 8;
    }
  }

  return val;
}

Buffer.prototype.readUInt16LE = function(offset, noAssert) {
  return readUInt16(this, offset, false, noAssert);
};

Buffer.prototype.readUInt16BE = function(offset, noAssert) {
  return readUInt16(this, offset, true, noAssert);
};

function readUInt32(buffer, offset, isBigEndian, noAssert) {
  var val = 0;

  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return 0;

  if (isBigEndian) {
    if (offset + 1 < buffer.length)
      val = buffer[offset + 1] << 16;
    if (offset + 2 < buffer.length)
      val |= buffer[offset + 2] << 8;
    if (offset + 3 < buffer.length)
      val |= buffer[offset + 3];
    val = val + (buffer[offset] << 24 >>> 0);
  } else {
    if (offset + 2 < buffer.length)
      val = buffer[offset + 2] << 16;
    if (offset + 1 < buffer.length)
      val |= buffer[offset + 1] << 8;
    val |= buffer[offset];
    if (offset + 3 < buffer.length)
      val = val + (buffer[offset + 3] << 24 >>> 0);
  }

  return val;
}

Buffer.prototype.readUInt32LE = function(offset, noAssert) {
  return readUInt32(this, offset, false, noAssert);
};

Buffer.prototype.readUInt32BE = function(offset, noAssert) {
  return readUInt32(this, offset, true, noAssert);
};


/*
 * Signed integer types, yay team! A reminder on how two's complement actually
 * works. The first bit is the signed bit, i.e. tells us whether or not the
 * number should be positive or negative. If the two's complement value is
 * positive, then we're done, as it's equivalent to the unsigned representation.
 *
 * Now if the number is positive, you're pretty much done, you can just leverage
 * the unsigned translations and return those. Unfortunately, negative numbers
 * aren't quite that straightforward.
 *
 * At first glance, one might be inclined to use the traditional formula to
 * translate binary numbers between the positive and negative values in two's
 * complement. (Though it doesn't quite work for the most negative value)
 * Mainly:
 *  - invert all the bits
 *  - add one to the result
 *
 * Of course, this doesn't quite work in Javascript. Take for example the value
 * of -128. This could be represented in 16 bits (big-endian) as 0xff80. But of
 * course, Javascript will do the following:
 *
 * > ~0xff80
 * -65409
 *
 * Whoh there, Javascript, that's not quite right. But wait, according to
 * Javascript that's perfectly correct. When Javascript ends up seeing the
 * constant 0xff80, it has no notion that it is actually a signed number. It
 * assumes that we've input the unsigned value 0xff80. Thus, when it does the
 * binary negation, it casts it into a signed value, (positive 0xff80). Then
 * when you perform binary negation on that, it turns it into a negative number.
 *
 * Instead, we're going to have to use the following general formula, that works
 * in a rather Javascript friendly way. I'm glad we don't support this kind of
 * weird numbering scheme in the kernel.
 *
 * (BIT-MAX - (unsigned)val + 1) * -1
 *
 * The astute observer, may think that this doesn't make sense for 8-bit numbers
 * (really it isn't necessary for them). However, when you get 16-bit numbers,
 * you do. Let's go back to our prior example and see how this will look:
 *
 * (0xffff - 0xff80 + 1) * -1
 * (0x007f + 1) * -1
 * (0x0080) * -1
 */
Buffer.prototype.readInt8 = function(offset, noAssert) {
  var buffer = this;
  var neg;

  if (!noAssert) {
    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'Trying to read beyond buffer length');
  }

  if (offset >= buffer.length) return;

  neg = buffer[offset] & 0x80;
  if (!neg) {
    return (buffer[offset]);
  }

  return ((0xff - buffer[offset] + 1) * -1);
};

function readInt16(buffer, offset, isBigEndian, noAssert) {
  var neg, val;

  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'Trying to read beyond buffer length');
  }

  val = readUInt16(buffer, offset, isBigEndian, noAssert);
  neg = val & 0x8000;
  if (!neg) {
    return val;
  }

  return (0xffff - val + 1) * -1;
}

Buffer.prototype.readInt16LE = function(offset, noAssert) {
  return readInt16(this, offset, false, noAssert);
};

Buffer.prototype.readInt16BE = function(offset, noAssert) {
  return readInt16(this, offset, true, noAssert);
};

function readInt32(buffer, offset, isBigEndian, noAssert) {
  var neg, val;

  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to read beyond buffer length');
  }

  val = readUInt32(buffer, offset, isBigEndian, noAssert);
  neg = val & 0x80000000;
  if (!neg) {
    return (val);
  }

  return (0xffffffff - val + 1) * -1;
}

Buffer.prototype.readInt32LE = function(offset, noAssert) {
  return readInt32(this, offset, false, noAssert);
};

Buffer.prototype.readInt32BE = function(offset, noAssert) {
  return readInt32(this, offset, true, noAssert);
};

function readFloat(buffer, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset + 3 < buffer.length,
        'Trying to read beyond buffer length');
  }

  return require('./buffer_ieee754').readIEEE754(buffer, offset, isBigEndian,
      23, 4);
}

Buffer.prototype.readFloatLE = function(offset, noAssert) {
  return readFloat(this, offset, false, noAssert);
};

Buffer.prototype.readFloatBE = function(offset, noAssert) {
  return readFloat(this, offset, true, noAssert);
};

function readDouble(buffer, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset + 7 < buffer.length,
        'Trying to read beyond buffer length');
  }

  return require('./buffer_ieee754').readIEEE754(buffer, offset, isBigEndian,
      52, 8);
}

Buffer.prototype.readDoubleLE = function(offset, noAssert) {
  return readDouble(this, offset, false, noAssert);
};

Buffer.prototype.readDoubleBE = function(offset, noAssert) {
  return readDouble(this, offset, true, noAssert);
};


/*
 * We have to make sure that the value is a valid integer. This means that it is
 * non-negative. It has no fractional component and that it does not exceed the
 * maximum allowed value.
 *
 *      value           The number to check for validity
 *
 *      max             The maximum value
 */
function verifuint(value, max) {
  assert.ok(typeof (value) == 'number',
      'cannot write a non-number as a number');

  assert.ok(value >= 0,
      'specified a negative value for writing an unsigned value');

  assert.ok(value <= max, 'value is larger than maximum value for type');

  assert.ok(Math.floor(value) === value, 'value has a fractional component');
}

Buffer.prototype.writeUInt8 = function(value, offset, noAssert) {
  var buffer = this;

  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'trying to write beyond buffer length');

    verifuint(value, 0xff);
  }

  if (offset < buffer.length) {
    buffer[offset] = value;
  }
};

function writeUInt16(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'trying to write beyond buffer length');

    verifuint(value, 0xffff);
  }

  for (var i = 0; i < Math.min(buffer.length - offset, 2); i++) {
    buffer[offset + i] =
        (value & (0xff << (8 * (isBigEndian ? 1 - i : i)))) >>>
            (isBigEndian ? 1 - i : i) * 8;
  }

}

Buffer.prototype.writeUInt16LE = function(value, offset, noAssert) {
  writeUInt16(this, value, offset, false, noAssert);
};

Buffer.prototype.writeUInt16BE = function(value, offset, noAssert) {
  writeUInt16(this, value, offset, true, noAssert);
};

function writeUInt32(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'trying to write beyond buffer length');

    verifuint(value, 0xffffffff);
  }

  for (var i = 0; i < Math.min(buffer.length - offset, 4); i++) {
    buffer[offset + i] =
        (value >>> (isBigEndian ? 3 - i : i) * 8) & 0xff;
  }
}

Buffer.prototype.writeUInt32LE = function(value, offset, noAssert) {
  writeUInt32(this, value, offset, false, noAssert);
};

Buffer.prototype.writeUInt32BE = function(value, offset, noAssert) {
  writeUInt32(this, value, offset, true, noAssert);
};


/*
 * We now move onto our friends in the signed number category. Unlike unsigned
 * numbers, we're going to have to worry a bit more about how we put values into
 * arrays. Since we are only worrying about signed 32-bit values, we're in
 * slightly better shape. Unfortunately, we really can't do our favorite binary
 * & in this system. It really seems to do the wrong thing. For example:
 *
 * > -32 & 0xff
 * 224
 *
 * What's happening above is really: 0xe0 & 0xff = 0xe0. However, the results of
 * this aren't treated as a signed number. Ultimately a bad thing.
 *
 * What we're going to want to do is basically create the unsigned equivalent of
 * our representation and pass that off to the wuint* functions. To do that
 * we're going to do the following:
 *
 *  - if the value is positive
 *      we can pass it directly off to the equivalent wuint
 *  - if the value is negative
 *      we do the following computation:
 *         mb + val + 1, where
 *         mb   is the maximum unsigned value in that byte size
 *         val  is the Javascript negative integer
 *
 *
 * As a concrete value, take -128. In signed 16 bits this would be 0xff80. If
 * you do out the computations:
 *
 * 0xffff - 128 + 1
 * 0xffff - 127
 * 0xff80
 *
 * You can then encode this value as the signed version. This is really rather
 * hacky, but it should work and get the job done which is our goal here.
 */

/*
 * A series of checks to make sure we actually have a signed 32-bit number
 */
function verifsint(value, max, min) {
  assert.ok(typeof (value) == 'number',
      'cannot write a non-number as a number');

  assert.ok(value <= max, 'value larger than maximum allowed value');

  assert.ok(value >= min, 'value smaller than minimum allowed value');

  assert.ok(Math.floor(value) === value, 'value has a fractional component');
}

function verifIEEE754(value, max, min) {
  assert.ok(typeof (value) == 'number',
      'cannot write a non-number as a number');

  assert.ok(value <= max, 'value larger than maximum allowed value');

  assert.ok(value >= min, 'value smaller than minimum allowed value');
}

Buffer.prototype.writeInt8 = function(value, offset, noAssert) {
  var buffer = this;

  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset < buffer.length,
        'Trying to write beyond buffer length');

    verifsint(value, 0x7f, -0x80);
  }

  if (value >= 0) {
    buffer.writeUInt8(value, offset, noAssert);
  } else {
    buffer.writeUInt8(0xff + value + 1, offset, noAssert);
  }
};

function writeInt16(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 1 < buffer.length,
        'Trying to write beyond buffer length');

    verifsint(value, 0x7fff, -0x8000);
  }

  if (value >= 0) {
    writeUInt16(buffer, value, offset, isBigEndian, noAssert);
  } else {
    writeUInt16(buffer, 0xffff + value + 1, offset, isBigEndian, noAssert);
  }
}

Buffer.prototype.writeInt16LE = function(value, offset, noAssert) {
  writeInt16(this, value, offset, false, noAssert);
};

Buffer.prototype.writeInt16BE = function(value, offset, noAssert) {
  writeInt16(this, value, offset, true, noAssert);
};

function writeInt32(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to write beyond buffer length');

    verifsint(value, 0x7fffffff, -0x80000000);
  }

  if (value >= 0) {
    writeUInt32(buffer, value, offset, isBigEndian, noAssert);
  } else {
    writeUInt32(buffer, 0xffffffff + value + 1, offset, isBigEndian, noAssert);
  }
}

Buffer.prototype.writeInt32LE = function(value, offset, noAssert) {
  writeInt32(this, value, offset, false, noAssert);
};

Buffer.prototype.writeInt32BE = function(value, offset, noAssert) {
  writeInt32(this, value, offset, true, noAssert);
};

function writeFloat(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 3 < buffer.length,
        'Trying to write beyond buffer length');

    verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38);
  }

  require('./buffer_ieee754').writeIEEE754(buffer, value, offset, isBigEndian,
      23, 4);
}

Buffer.prototype.writeFloatLE = function(value, offset, noAssert) {
  writeFloat(this, value, offset, false, noAssert);
};

Buffer.prototype.writeFloatBE = function(value, offset, noAssert) {
  writeFloat(this, value, offset, true, noAssert);
};

function writeDouble(buffer, value, offset, isBigEndian, noAssert) {
  if (!noAssert) {
    assert.ok(value !== undefined && value !== null,
        'missing value');

    assert.ok(typeof (isBigEndian) === 'boolean',
        'missing or invalid endian');

    assert.ok(offset !== undefined && offset !== null,
        'missing offset');

    assert.ok(offset + 7 < buffer.length,
        'Trying to write beyond buffer length');

    verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308);
  }

  require('./buffer_ieee754').writeIEEE754(buffer, value, offset, isBigEndian,
      52, 8);
}

Buffer.prototype.writeDoubleLE = function(value, offset, noAssert) {
  writeDouble(this, value, offset, false, noAssert);
};

Buffer.prototype.writeDoubleBE = function(value, offset, noAssert) {
  writeDouble(this, value, offset, true, noAssert);
};

},{"./buffer_ieee754":1,"assert":6,"base64-js":4}],"buffer-browserify":[function(require,module,exports){
module.exports=require('q9TxCC');
},{}],4:[function(require,module,exports){
(function (exports) {
	'use strict';

	var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

	function b64ToByteArray(b64) {
		var i, j, l, tmp, placeHolders, arr;
	
		if (b64.length % 4 > 0) {
			throw 'Invalid string. Length must be a multiple of 4';
		}

		// the number of equal signs (place holders)
		// if there are two placeholders, than the two characters before it
		// represent one byte
		// if there is only one, then the three characters before it represent 2 bytes
		// this is just a cheap hack to not do indexOf twice
		placeHolders = b64.indexOf('=');
		placeHolders = placeHolders > 0 ? b64.length - placeHolders : 0;

		// base64 is 4/3 + up to two characters of the original data
		arr = [];//new Uint8Array(b64.length * 3 / 4 - placeHolders);

		// if there are placeholders, only get up to the last complete 4 chars
		l = placeHolders > 0 ? b64.length - 4 : b64.length;

		for (i = 0, j = 0; i < l; i += 4, j += 3) {
			tmp = (lookup.indexOf(b64[i]) << 18) | (lookup.indexOf(b64[i + 1]) << 12) | (lookup.indexOf(b64[i + 2]) << 6) | lookup.indexOf(b64[i + 3]);
			arr.push((tmp & 0xFF0000) >> 16);
			arr.push((tmp & 0xFF00) >> 8);
			arr.push(tmp & 0xFF);
		}

		if (placeHolders === 2) {
			tmp = (lookup.indexOf(b64[i]) << 2) | (lookup.indexOf(b64[i + 1]) >> 4);
			arr.push(tmp & 0xFF);
		} else if (placeHolders === 1) {
			tmp = (lookup.indexOf(b64[i]) << 10) | (lookup.indexOf(b64[i + 1]) << 4) | (lookup.indexOf(b64[i + 2]) >> 2);
			arr.push((tmp >> 8) & 0xFF);
			arr.push(tmp & 0xFF);
		}

		return arr;
	}

	function uint8ToBase64(uint8) {
		var i,
			extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
			output = "",
			temp, length;

		function tripletToBase64 (num) {
			return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
		};

		// go through the array every three bytes, we'll deal with trailing stuff later
		for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
			temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
			output += tripletToBase64(temp);
		}

		// pad the end with zeros, but make sure to not forget the extra bytes
		switch (extraBytes) {
			case 1:
				temp = uint8[uint8.length - 1];
				output += lookup[temp >> 2];
				output += lookup[(temp << 4) & 0x3F];
				output += '==';
				break;
			case 2:
				temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]);
				output += lookup[temp >> 10];
				output += lookup[(temp >> 4) & 0x3F];
				output += lookup[(temp << 2) & 0x3F];
				output += '=';
				break;
		}

		return output;
	}

	module.exports.toByteArray = b64ToByteArray;
	module.exports.fromByteArray = uint8ToBase64;
}());

},{}],5:[function(require,module,exports){


//
// The shims in this file are not fully implemented shims for the ES5
// features, but do work for the particular usecases there is in
// the other modules.
//

var toString = Object.prototype.toString;
var hasOwnProperty = Object.prototype.hasOwnProperty;

// Array.isArray is supported in IE9
function isArray(xs) {
  return toString.call(xs) === '[object Array]';
}
exports.isArray = typeof Array.isArray === 'function' ? Array.isArray : isArray;

// Array.prototype.indexOf is supported in IE9
exports.indexOf = function indexOf(xs, x) {
  if (xs.indexOf) return xs.indexOf(x);
  for (var i = 0; i < xs.length; i++) {
    if (x === xs[i]) return i;
  }
  return -1;
};

// Array.prototype.filter is supported in IE9
exports.filter = function filter(xs, fn) {
  if (xs.filter) return xs.filter(fn);
  var res = [];
  for (var i = 0; i < xs.length; i++) {
    if (fn(xs[i], i, xs)) res.push(xs[i]);
  }
  return res;
};

// Array.prototype.forEach is supported in IE9
exports.forEach = function forEach(xs, fn, self) {
  if (xs.forEach) return xs.forEach(fn, self);
  for (var i = 0; i < xs.length; i++) {
    fn.call(self, xs[i], i, xs);
  }
};

// Array.prototype.map is supported in IE9
exports.map = function map(xs, fn) {
  if (xs.map) return xs.map(fn);
  var out = new Array(xs.length);
  for (var i = 0; i < xs.length; i++) {
    out[i] = fn(xs[i], i, xs);
  }
  return out;
};

// Array.prototype.reduce is supported in IE9
exports.reduce = function reduce(array, callback, opt_initialValue) {
  if (array.reduce) return array.reduce(callback, opt_initialValue);
  var value, isValueSet = false;

  if (2 < arguments.length) {
    value = opt_initialValue;
    isValueSet = true;
  }
  for (var i = 0, l = array.length; l > i; ++i) {
    if (array.hasOwnProperty(i)) {
      if (isValueSet) {
        value = callback(value, array[i], i, array);
      }
      else {
        value = array[i];
        isValueSet = true;
      }
    }
  }

  return value;
};

// String.prototype.substr - negative index don't work in IE8
if ('ab'.substr(-1) !== 'b') {
  exports.substr = function (str, start, length) {
    // did we get a negative start, calculate how much it is from the beginning of the string
    if (start < 0) start = str.length + start;

    // call the original function
    return str.substr(start, length);
  };
} else {
  exports.substr = function (str, start, length) {
    return str.substr(start, length);
  };
}

// String.prototype.trim is supported in IE9
exports.trim = function (str) {
  if (str.trim) return str.trim();
  return str.replace(/^\s+|\s+$/g, '');
};

// Function.prototype.bind is supported in IE9
exports.bind = function () {
  var args = Array.prototype.slice.call(arguments);
  var fn = args.shift();
  if (fn.bind) return fn.bind.apply(fn, args);
  var self = args.shift();
  return function () {
    fn.apply(self, args.concat([Array.prototype.slice.call(arguments)]));
  };
};

// Object.create is supported in IE9
function create(prototype, properties) {
  var object;
  if (prototype === null) {
    object = { '__proto__' : null };
  }
  else {
    if (typeof prototype !== 'object') {
      throw new TypeError(
        'typeof prototype[' + (typeof prototype) + '] != \'object\''
      );
    }
    var Type = function () {};
    Type.prototype = prototype;
    object = new Type();
    object.__proto__ = prototype;
  }
  if (typeof properties !== 'undefined' && Object.defineProperties) {
    Object.defineProperties(object, properties);
  }
  return object;
}
exports.create = typeof Object.create === 'function' ? Object.create : create;

// Object.keys and Object.getOwnPropertyNames is supported in IE9 however
// they do show a description and number property on Error objects
function notObject(object) {
  return ((typeof object != "object" && typeof object != "function") || object === null);
}

function keysShim(object) {
  if (notObject(object)) {
    throw new TypeError("Object.keys called on a non-object");
  }

  var result = [];
  for (var name in object) {
    if (hasOwnProperty.call(object, name)) {
      result.push(name);
    }
  }
  return result;
}

// getOwnPropertyNames is almost the same as Object.keys one key feature
//  is that it returns hidden properties, since that can't be implemented,
//  this feature gets reduced so it just shows the length property on arrays
function propertyShim(object) {
  if (notObject(object)) {
    throw new TypeError("Object.getOwnPropertyNames called on a non-object");
  }

  var result = keysShim(object);
  if (exports.isArray(object) && exports.indexOf(object, 'length') === -1) {
    result.push('length');
  }
  return result;
}

var keys = typeof Object.keys === 'function' ? Object.keys : keysShim;
var getOwnPropertyNames = typeof Object.getOwnPropertyNames === 'function' ?
  Object.getOwnPropertyNames : propertyShim;

if (new Error().hasOwnProperty('description')) {
  var ERROR_PROPERTY_FILTER = function (obj, array) {
    if (toString.call(obj) === '[object Error]') {
      array = exports.filter(array, function (name) {
        return name !== 'description' && name !== 'number' && name !== 'message';
      });
    }
    return array;
  };

  exports.keys = function (object) {
    return ERROR_PROPERTY_FILTER(object, keys(object));
  };
  exports.getOwnPropertyNames = function (object) {
    return ERROR_PROPERTY_FILTER(object, getOwnPropertyNames(object));
  };
} else {
  exports.keys = keys;
  exports.getOwnPropertyNames = getOwnPropertyNames;
}

// Object.getOwnPropertyDescriptor - supported in IE8 but only on dom elements
function valueObject(value, key) {
  return { value: value[key] };
}

if (typeof Object.getOwnPropertyDescriptor === 'function') {
  try {
    Object.getOwnPropertyDescriptor({'a': 1}, 'a');
    exports.getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
  } catch (e) {
    // IE8 dom element issue - use a try catch and default to valueObject
    exports.getOwnPropertyDescriptor = function (value, key) {
      try {
        return Object.getOwnPropertyDescriptor(value, key);
      } catch (e) {
        return valueObject(value, key);
      }
    };
  }
} else {
  exports.getOwnPropertyDescriptor = valueObject;
}

},{}],6:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// UTILITY
var util = require('util');
var shims = require('_shims');
var pSlice = Array.prototype.slice;

// 1. The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.

var assert = module.exports = ok;

// 2. The AssertionError is defined in assert.
// new assert.AssertionError({ message: message,
//                             actual: actual,
//                             expected: expected })

assert.AssertionError = function AssertionError(options) {
  this.name = 'AssertionError';
  this.actual = options.actual;
  this.expected = options.expected;
  this.operator = options.operator;
  this.message = options.message || getMessage(this);
};

// assert.AssertionError instanceof Error
util.inherits(assert.AssertionError, Error);

function replacer(key, value) {
  if (util.isUndefined(value)) {
    return '' + value;
  }
  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {
    return value.toString();
  }
  if (util.isFunction(value) || util.isRegExp(value)) {
    return value.toString();
  }
  return value;
}

function truncate(s, n) {
  if (util.isString(s)) {
    return s.length < n ? s : s.slice(0, n);
  } else {
    return s;
  }
}

function getMessage(self) {
  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
         self.operator + ' ' +
         truncate(JSON.stringify(self.expected, replacer), 128);
}

// At present only the three keys mentioned above are used and
// understood by the spec. Implementations or sub modules can pass
// other keys to the AssertionError's constructor - they will be
// ignored.

// 3. All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided.  All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.

function fail(actual, expected, message, operator, stackStartFunction) {
  throw new assert.AssertionError({
    message: message,
    actual: actual,
    expected: expected,
    operator: operator,
    stackStartFunction: stackStartFunction
  });
}

// EXTENSION! allows for well behaved errors defined elsewhere.
assert.fail = fail;

// 4. Pure assertion tests whether a value is truthy, as determined
// by !!guard.
// assert.ok(guard, message_opt);
// This statement is equivalent to assert.equal(true, !!guard,
// message_opt);. To test strictly for the value true, use
// assert.strictEqual(true, guard, message_opt);.

function ok(value, message) {
  if (!value) fail(value, true, message, '==', assert.ok);
}
assert.ok = ok;

// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);

assert.equal = function equal(actual, expected, message) {
  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
};

// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);

assert.notEqual = function notEqual(actual, expected, message) {
  if (actual == expected) {
    fail(actual, expected, message, '!=', assert.notEqual);
  }
};

// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);

assert.deepEqual = function deepEqual(actual, expected, message) {
  if (!_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
  }
};

function _deepEqual(actual, expected) {
  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
    if (actual.length != expected.length) return false;

    for (var i = 0; i < actual.length; i++) {
      if (actual[i] !== expected[i]) return false;
    }

    return true;

  // 7.2. If the expected value is a Date object, the actual value is
  // equivalent if it is also a Date object that refers to the same time.
  } else if (util.isDate(actual) && util.isDate(expected)) {
    return actual.getTime() === expected.getTime();

  // 7.3 If the expected value is a RegExp object, the actual value is
  // equivalent if it is also a RegExp object with the same source and
  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
    return actual.source === expected.source &&
           actual.global === expected.global &&
           actual.multiline === expected.multiline &&
           actual.lastIndex === expected.lastIndex &&
           actual.ignoreCase === expected.ignoreCase;

  // 7.4. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (!util.isObject(actual) && !util.isObject(expected)) {
    return actual == expected;

  // 7.5 For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected);
  }
}

function isArguments(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
}

function objEquiv(a, b) {
  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
    return false;
  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return _deepEqual(a, b);
  }
  try {
    var ka = shims.keys(a),
        kb = shims.keys(b),
        key, i;
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!_deepEqual(a[key], b[key])) return false;
  }
  return true;
}

// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);

assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
  if (_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
  }
};

// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);

assert.strictEqual = function strictEqual(actual, expected, message) {
  if (actual !== expected) {
    fail(actual, expected, message, '===', assert.strictEqual);
  }
};

// 10. The strict non-equality assertion tests for strict inequality, as
// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);

assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
  if (actual === expected) {
    fail(actual, expected, message, '!==', assert.notStrictEqual);
  }
};

function expectedException(actual, expected) {
  if (!actual || !expected) {
    return false;
  }

  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
    return expected.test(actual);
  } else if (actual instanceof expected) {
    return true;
  } else if (expected.call({}, actual) === true) {
    return true;
  }

  return false;
}

function _throws(shouldThrow, block, expected, message) {
  var actual;

  if (util.isString(expected)) {
    message = expected;
    expected = null;
  }

  try {
    block();
  } catch (e) {
    actual = e;
  }

  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
            (message ? ' ' + message : '.');

  if (shouldThrow && !actual) {
    fail(actual, expected, 'Missing expected exception' + message);
  }

  if (!shouldThrow && expectedException(actual, expected)) {
    fail(actual, expected, 'Got unwanted exception' + message);
  }

  if ((shouldThrow && actual && expected &&
      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
    throw actual;
  }
}

// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);

assert.throws = function(block, /*optional*/error, /*optional*/message) {
  _throws.apply(this, [true].concat(pSlice.call(arguments)));
};

// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/message) {
  _throws.apply(this, [false].concat(pSlice.call(arguments)));
};

assert.ifError = function(err) { if (err) {throw err;}};
},{"_shims":5,"util":7}],7:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var shims = require('_shims');

var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
  if (!isString(f)) {
    var objects = [];
    for (var i = 0; i < arguments.length; i++) {
      objects.push(inspect(arguments[i]));
    }
    return objects.join(' ');
  }

  var i = 1;
  var args = arguments;
  var len = args.length;
  var str = String(f).replace(formatRegExp, function(x) {
    if (x === '%%') return '%';
    if (i >= len) return x;
    switch (x) {
      case '%s': return String(args[i++]);
      case '%d': return Number(args[i++]);
      case '%j':
        try {
          return JSON.stringify(args[i++]);
        } catch (_) {
          return '[Circular]';
        }
      default:
        return x;
    }
  });
  for (var x = args[i]; i < len; x = args[++i]) {
    if (isNull(x) || !isObject(x)) {
      str += ' ' + x;
    } else {
      str += ' ' + inspect(x);
    }
  }
  return str;
};

/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Object} opts Optional options object that alters the output.
 */
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
  // default options
  var ctx = {
    seen: [],
    stylize: stylizeNoColor
  };
  // legacy...
  if (arguments.length >= 3) ctx.depth = arguments[2];
  if (arguments.length >= 4) ctx.colors = arguments[3];
  if (isBoolean(opts)) {
    // legacy...
    ctx.showHidden = opts;
  } else if (opts) {
    // got an "options" object
    exports._extend(ctx, opts);
  }
  // set default options
  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  if (isUndefined(ctx.depth)) ctx.depth = 2;
  if (isUndefined(ctx.colors)) ctx.colors = false;
  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;


// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
  'bold' : [1, 22],
  'italic' : [3, 23],
  'underline' : [4, 24],
  'inverse' : [7, 27],
  'white' : [37, 39],
  'grey' : [90, 39],
  'black' : [30, 39],
  'blue' : [34, 39],
  'cyan' : [36, 39],
  'green' : [32, 39],
  'magenta' : [35, 39],
  'red' : [31, 39],
  'yellow' : [33, 39]
};

// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
  'special': 'cyan',
  'number': 'yellow',
  'boolean': 'yellow',
  'undefined': 'grey',
  'null': 'bold',
  'string': 'green',
  'date': 'magenta',
  // "name": intentionally not styling
  'regexp': 'red'
};


function stylizeWithColor(str, styleType) {
  var style = inspect.styles[styleType];

  if (style) {
    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
           '\u001b[' + inspect.colors[style][1] + 'm';
  } else {
    return str;
  }
}


function stylizeNoColor(str, styleType) {
  return str;
}


function arrayToHash(array) {
  var hash = {};

  shims.forEach(array, function(val, idx) {
    hash[val] = true;
  });

  return hash;
}


function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (ctx.customInspect &&
      value &&
      isFunction(value.inspect) &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    var ret = value.inspect(recurseTimes);
    if (!isString(ret)) {
      ret = formatValue(ctx, ret, recurseTimes);
    }
    return ret;
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // Look up the keys of the object.
  var keys = shims.keys(value);
  var visibleKeys = arrayToHash(keys);

  if (ctx.showHidden) {
    keys = shims.getOwnPropertyNames(value);
  }

  // Some type of object without properties can be shortcutted.
  if (keys.length === 0) {
    if (isFunction(value)) {
      var name = value.name ? ': ' + value.name : '';
      return ctx.stylize('[Function' + name + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (isFunction(value)) {
    var n = value.name ? ': ' + value.name : '';
    base = ' [Function' + n + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    base = ' ' + formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  if (isUndefined(value))
    return ctx.stylize('undefined', 'undefined');
  if (isString(value)) {
    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                             .replace(/'/g, "\\'")
                                             .replace(/\\"/g, '"') + '\'';
    return ctx.stylize(simple, 'string');
  }
  if (isNumber(value))
    return ctx.stylize('' + value, 'number');
  if (isBoolean(value))
    return ctx.stylize('' + value, 'boolean');
  // For some reason typeof null is "object", so special case here.
  if (isNull(value))
    return ctx.stylize('null', 'null');
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (hasOwnProperty(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }

  shims.forEach(keys, function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str, desc;
  desc = shims.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  if (desc.get) {
    if (desc.set) {
      str = ctx.stylize('[Getter/Setter]', 'special');
    } else {
      str = ctx.stylize('[Getter]', 'special');
    }
  } else {
    if (desc.set) {
      str = ctx.stylize('[Setter]', 'special');
    }
  }

  if (!hasOwnProperty(visibleKeys, key)) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (shims.indexOf(ctx.seen, desc.value) < 0) {
      if (isNull(recurseTimes)) {
        str = formatValue(ctx, desc.value, null);
      } else {
        str = formatValue(ctx, desc.value, recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (isUndefined(name)) {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = shims.reduce(output, function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}


// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
  return shims.isArray(ar);
}
exports.isArray = isArray;

function isBoolean(arg) {
  return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;

function isNull(arg) {
  return arg === null;
}
exports.isNull = isNull;

function isNullOrUndefined(arg) {
  return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;

function isNumber(arg) {
  return typeof arg === 'number';
}
exports.isNumber = isNumber;

function isString(arg) {
  return typeof arg === 'string';
}
exports.isString = isString;

function isSymbol(arg) {
  return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;

function isUndefined(arg) {
  return arg === void 0;
}
exports.isUndefined = isUndefined;

function isRegExp(re) {
  return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;

function isObject(arg) {
  return typeof arg === 'object' && arg;
}
exports.isObject = isObject;

function isDate(d) {
  return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;

function isError(e) {
  return isObject(e) && objectToString(e) === '[object Error]';
}
exports.isError = isError;

function isFunction(arg) {
  return typeof arg === 'function';
}
exports.isFunction = isFunction;

function isPrimitive(arg) {
  return arg === null ||
         typeof arg === 'boolean' ||
         typeof arg === 'number' ||
         typeof arg === 'string' ||
         typeof arg === 'symbol' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

function isBuffer(arg) {
  return arg instanceof Buffer;
}
exports.isBuffer = isBuffer;

function objectToString(o) {
  return Object.prototype.toString.call(o);
}


function pad(n) {
  return n < 10 ? '0' + n.toString(10) : n.toString(10);
}


var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
              'Oct', 'Nov', 'Dec'];

// 26 Feb 16:19:34
function timestamp() {
  var d = new Date();
  var time = [pad(d.getHours()),
              pad(d.getMinutes()),
              pad(d.getSeconds())].join(':');
  return [d.getDate(), months[d.getMonth()], time].join(' ');
}


// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * The Function.prototype.inherits from lang.js rewritten as a standalone
 * function (not on Function.prototype). NOTE: If this file is to be loaded
 * during bootstrapping this function needs to be rewritten using some native
 * functions as prototype setup using normal JavaScript does not work as
 * expected during bootstrapping (see mirror.js in r114903).
 *
 * @param {function} ctor Constructor function which needs to inherit the
 *     prototype.
 * @param {function} superCtor Constructor function to inherit prototype from.
 */
exports.inherits = function(ctor, superCtor) {
  ctor.super_ = superCtor;
  ctor.prototype = shims.create(superCtor.prototype, {
    constructor: {
      value: ctor,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });
};

exports._extend = function(origin, add) {
  // Don't do anything if add isn't an object
  if (!add || !isObject(add)) return origin;

  var keys = shims.keys(add);
  var i = keys.length;
  while (i--) {
    origin[keys[i]] = add[keys[i]];
  }
  return origin;
};

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

},{"_shims":5}]},{},[])
;;module.exports=require("buffer-browserify")

},{}],21:[function(require,module,exports){
// shim for using process in browser

var process = module.exports = {};

process.nextTick = (function () {
    var canSetImmediate = typeof window !== 'undefined'
    && window.setImmediate;
    var canPost = typeof window !== 'undefined'
    && window.postMessage && window.addEventListener
    ;

    if (canSetImmediate) {
        return function (f) { return window.setImmediate(f) };
    }

    if (canPost) {
        var queue = [];
        window.addEventListener('message', function (ev) {
            if (ev.source === window && ev.data === 'process-tick') {
                ev.stopPropagation();
                if (queue.length > 0) {
                    var fn = queue.shift();
                    fn();
                }
            }
        }, true);

        return function nextTick(fn) {
            queue.push(fn);
            window.postMessage('process-tick', '*');
        };
    }

    return function nextTick(fn) {
        setTimeout(fn, 0);
    };
})();

process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];

process.binding = function (name) {
    throw new Error('process.binding is not supported');
}

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};

},{}],22:[function(require,module,exports){
var path = require('path');

exports.tmx = require('tmx-parser');
exports.load = load;

function load(chem, fileName, cb) {
  var v = chem.vec2d;
  var error = null;

  exports.tmx.readFile = chemReadFile;
  exports.tmx.parseFile(fileName, function(err, map) {
    if (err) {
      cb(err);
      return;
    }
    map.tileSets.forEach(resolveTileSet);
    if (error) {
      cb(error);
      return;
    }
    cb(null, map);
  });

  function chemReadFile(name, cb) {
    var text = chem.resources.text[name];
    if (text == null) {
      cb(new Error("File not found: public/text/" + name));
    } else {
      cb(null, text);
    }
  }

  function resolveTileSet(tileSet) {
    if (error) return;
    // resolve the image file name to something in chem.resources.images
    var imgName = path.relative("img", path.join("text/", tileSet.image.source));
    var img = chem.resources.images[imgName];
    if (!img) {
      error = new Error("Image not found: public/img/" + imgName);
      return;
    }
    var spacing = v(tileSet.spacing || 0, tileSet.spacing || 0);
    var margin = v(tileSet.margin || 0, tileSet.margin || 0);
    var offset = v(tileSet.tileOffset);
    var imgSize = v(img.width, img.height);
    var tileSize = v(tileSet.tileWidth, tileSet.tileHeight);
    var tileCount = imgSize.minus(margin).div(tileSize.plus(spacing)).floor();
    for (var i = 0; i < tileSet.tiles.length; i += 1) {
      var tile = tileSet.tiles[i];
      // calculate x and y based on id
      var intPos = v(
          tile.id % tileCount.x,
          Math.floor(tile.id / tileCount.x));
      var pos = intPos.mult(tileSize.plus(spacing)).plus(margin).plus(offset);
      tile.animation = new chem.Animation();
      tile.animation.spritesheet = img;
      tile.animation.anchor = v();
      tile.animation.addFrame(pos, tileSize);
    }
  }
}

},{"path":10,"tmx-parser":23}],23:[function(require,module,exports){
var sax = require('sax');
var fs = require('fs');
var path = require('path');
var zlib = require('zlib');
var Pend = require('pend');
var bops = require('bops');

exports.readFile = defaultReadFile;
exports.parseFile = parseFile;
exports.parse = parse;
exports.Map = Map;
exports.TileSet = TileSet;
exports.Image = Image;
exports.Tile = Tile;
exports.TileLayer = TileLayer;
exports.ObjectLayer = ObjectLayer;
exports.ImageLayer = ImageLayer;
exports.TmxObject = TmxObject;
exports.Terrain = Terrain;

var FLIPPED_HORIZONTALLY_FLAG = 0x80000000;
var FLIPPED_VERTICALLY_FLAG   = 0x40000000;
var FLIPPED_DIAGONALLY_FLAG   = 0x20000000;

var STATE_START              = 0;
var STATE_MAP                = 1;
var STATE_COLLECT_PROPS      = 2;
var STATE_WAIT_FOR_CLOSE     = 3;
var STATE_TILESET            = 4;
var STATE_TILE               = 5;
var STATE_TILE_LAYER         = 6;
var STATE_OBJECT_LAYER       = 7;
var STATE_OBJECT             = 8;
var STATE_IMAGE_LAYER        = 9;
var STATE_TILE_DATA_XML      = 10;
var STATE_TILE_DATA_CSV      = 11;
var STATE_TILE_DATA_B64_RAW  = 12;
var STATE_TILE_DATA_B64_GZIP = 13;
var STATE_TILE_DATA_B64_ZLIB = 14;
var STATE_TERRAIN_TYPES      = 15;
var STATE_TERRAIN            = 16;

var STATE_COUNT              = 17;

function parse(content, pathToFile, cb) {
  var pathToDir = path.dirname(pathToFile);
  var parser = sax.parser();
  var map;
  var topLevelObject = null;
  var state = STATE_START;
  var states = new Array(STATE_COUNT);
  var waitForCloseNextState = 0;
  var waitForCloseOpenCount = 0;
  var propertiesObject = null;
  var propertiesNextState = 0;
  var tileIndex = 0;
  var tileSet = null;
  var tileSetNextState = 0;
  var tile;
  var layer;
  var object;
  var terrain;
  var pend = new Pend();
  // this holds the numerical tile ids
  // later we use it to resolve the real tiles
  var unresolvedLayers = [];
  var unresolvedLayer;
  states[STATE_START] = {
    opentag: function(tag) {
      if (tag.name === 'MAP') {
        map = new Map();
        topLevelObject = map;
        map.version = tag.attributes.VERSION;
        map.orientation = tag.attributes.ORIENTATION;
        map.width = int(tag.attributes.WIDTH);
        map.height = int(tag.attributes.HEIGHT);
        map.tileWidth = int(tag.attributes.TILEWIDTH);
        map.tileHeight = int(tag.attributes.TILEHEIGHT);
        map.backgroundColor = tag.attributes.BACKGROUNDCOLOR;

        state = STATE_MAP;
      } else if (tag.name === 'TILESET') {
        collectTileSet(tag, STATE_START);
        topLevelObject = tileSet;
      } else {
        waitForClose();
      }
    },
    closetag: noop,
    text: noop,
  };
  states[STATE_MAP] = {
    opentag: function(tag) {
      switch (tag.name) {
        case 'PROPERTIES':
          collectProperties(map.properties);
          break;
        case 'TILESET':
          collectTileSet(tag, STATE_MAP);
          map.tileSets.push(tileSet);
          break;
        case 'LAYER':
          layer = new TileLayer(map);
          tileIndex = 0;
          layer.name = tag.attributes.NAME;
          layer.opacity = float(tag.attributes.OPACITY, 1);
          layer.visible = bool(tag.attributes.VISIBLE, true);
          map.layers.push(layer);
          unresolvedLayer = {
            layer: layer,
            tiles: new Array(map.width * map.height),
          };
          unresolvedLayers.push(unresolvedLayer);
          state = STATE_TILE_LAYER;
          break;
        case 'OBJECTGROUP':
          layer = new ObjectLayer();
          layer.name = tag.attributes.NAME;
          layer.color = tag.attributes.COLOR;
          layer.opacity = float(tag.attributes.OPACITY, 1);
          layer.visible = bool(tag.attributes.VISIBLE, true);
          map.layers.push(layer);
          state = STATE_OBJECT_LAYER;
          break;
        case 'IMAGELAYER':
          layer = new ImageLayer();
          layer.name = tag.attributes.NAME;
          layer.opacity = float(tag.attributes.OPACITY, 1);
          layer.visible = bool(tag.attributes.VISIBLE, true);
          map.layers.push(layer);
          state = STATE_IMAGE_LAYER;
          break;
        default:
          waitForClose();
      }
    },
    closetag: noop,
    text: noop,
  };
  states[STATE_TILESET] = {
    opentag: function(tag) {
      switch (tag.name) {
        case 'TILEOFFSET':
          tileSet.tileOffset.x = int(tag.attributes.X);
          tileSet.tileOffset.y = int(tag.attributes.Y);
          waitForClose();
          break;
        case 'PROPERTIES':
          collectProperties(tileSet.properties);
          break;
        case 'IMAGE':
          tileSet.image = collectImage(tag);
          break;
        case 'TERRAINTYPES':
          state = STATE_TERRAIN_TYPES;
          break;
        case 'TILE':
          tile = new Tile();
          tile.id = int(tag.attributes.ID);
          if (tag.attributes.TERRAIN) {
            var indexes = tag.attributes.TERRAIN.split(",");
            tile.terrain = indexes.map(resolveTerrain);
          }
          tile.probability = float(tag.attributes.PROBABILITY);
          tileSet.tiles[tile.id] = tile;
          state = STATE_TILE;
          break;
        default:
          waitForClose();
      }
    },
    closetag: function(name) {
      state = tileSetNextState;
    },
    text: noop,
  };
  states[STATE_COLLECT_PROPS] = {
    opentag: function(tag) {
      if (tag.name === 'PROPERTY') {
        propertiesObject[tag.attributes.NAME] = tag.attributes.VALUE;
      }
      waitForClose();
    },
    closetag: function(name) {
      state = propertiesNextState;
    },
    text: noop,
  };
  states[STATE_WAIT_FOR_CLOSE] = {
    opentag: function(tag) {
      waitForCloseOpenCount += 1;
    },
    closetag: function(name) {
      waitForCloseOpenCount -= 1;
      if (waitForCloseOpenCount === 0) state = waitForCloseNextState;
    },
    text: noop,
  };
  states[STATE_TILE] = {
    opentag: function(tag) {
      if (tag.name === 'PROPERTIES') {
        collectProperties(tile.properties);
      } else if (tag.name === 'IMAGE') {
        tile.image = collectImage(tag);
      } else {
        waitForClose();
      }
    },
    closetag: function(name) {
      state = STATE_TILESET
    },
    text: noop,
  };
  states[STATE_TILE_LAYER] = {
    opentag: function(tag) {
      if (tag.name === 'PROPERTIES') {
        collectProperties(layer.properties);
      } else if (tag.name === 'DATA') {
        var dataEncoding = tag.attributes.ENCODING;
        var dataCompression = tag.attributes.COMPRESSION;
        switch (dataEncoding) {
          case undefined:
          case null:
            state = STATE_TILE_DATA_XML;
            break;
          case 'csv':
            state = STATE_TILE_DATA_CSV;
            break;
          case 'base64':
            switch (dataCompression) {
              case undefined:
              case null:
                state = STATE_TILE_DATA_B64_RAW;
                break;
              case 'gzip':
                state = STATE_TILE_DATA_B64_GZIP;
                break;
              case 'zlib':
                state = STATE_TILE_DATA_B64_ZLIB;
                break;
              default:
                error(new Error("unsupported data compression: " + dataCompression));
                return;
            }
            break;
          default:
            error(new Error("unsupported data encoding: " + dataEncoding));
            return;
        }
      } else {
        waitForClose();
      }
    },
    closetag: function(name) {
      state = STATE_MAP;
    },
    text: noop,
  };
  states[STATE_OBJECT_LAYER] = {
    opentag: function(tag) {
      if (tag.name === 'PROPERTIES') {
        collectProperties(layer.properties);
      } else if (tag.name === 'OBJECT') {
        object = new TmxObject();
        object.name = tag.attributes.NAME;
        object.type = tag.attributes.TYPE;
        object.x = int(tag.attributes.X);
        object.y = int(tag.attributes.Y);
        object.width = int(tag.attributes.WIDTH, 0);
        object.height = int(tag.attributes.HEIGHT, 0);
        object.rotation = float(tag.attributes.ROTATION, 0);
        object.gid = int(tag.attributes.GID);
        object.visible = bool(tag.attributes.VISIBLE, true);
        layer.objects.push(object);
        state = STATE_OBJECT;
      } else {
        waitForClose();
      }
    },
    closetag: function(name) {
      state = STATE_MAP;
    },
    text: noop,
  };
  states[STATE_IMAGE_LAYER] = {
    opentag: function(tag) {
      if (tag.name === 'PROPERTIES') {
        collectProperties(layer.properties);
      } else if (tag.name === 'IMAGE') {
        layer.image = collectImage(tag);
      } else {
        waitForClose();
      }
    },
    closetag: function(name) {
      state = STATE_MAP;
    },
    text: noop,
  };
  states[STATE_OBJECT] = {
    opentag: function(tag) {
      switch (tag.name) {
        case 'PROPERTIES':
          collectProperties(object.properties);
          break;
        case 'ELLIPSE':
          object.ellipse = true;
          waitForClose();
          break;
        case 'POLYGON':
          object.polygon = parsePoints(tag.attributes.POINTS);
          waitForClose();
          break;
        case 'POLYLINE':
          object.polyline = parsePoints(tag.attributes.POINTS);
          waitForClose();
          break;
        case 'IMAGE':
          object.image = collectImage(tag);
          break;
        default:
          waitForClose();
      }
    },
    closetag: function(name) {
      state = STATE_OBJECT_LAYER;
    },
    text: noop,
  };
  states[STATE_TILE_DATA_XML] = {
    opentag: function(tag) {
      if (tag.name === 'TILE') {
        saveTile(int(tag.attributes.GID, 0));
      }
      waitForClose();
    },
    closetag: function(name) {
      state = STATE_TILE_LAYER;
    },
    text: noop,
  };
  states[STATE_TILE_DATA_CSV] = {
    opentag: function(tag) {
      waitForClose();
    },
    closetag: function(name) {
      state = STATE_TILE_LAYER;
    },
    text: function(text) {
      var buffer = "";
      for (var i = 0; i < text.length; i += 1) {
        var c = text[i];
        if (c === ',') {
          saveTile(parseInt(buffer, 10));
          buffer = "";
        } else {
          buffer += c;
        }
      }
    },
  };
  states[STATE_TILE_DATA_B64_RAW] = {
    opentag: function(tag) {
      waitForClose();
    },
    closetag: function(name) {
      state = STATE_TILE_LAYER;
    },
    text: function(text) {
      unpackTileBytes(bops.from(text.trim(), 'base64'));
    },
  };
  states[STATE_TILE_DATA_B64_GZIP] = {
    opentag: function(tag) {
      waitForClose();
    },
    closetag: function(name) {
      state = STATE_TILE_LAYER;
    },
    text: function(text) {
      var zipped = bops.from(text.trim(), 'base64');
      var oldUnresolvedLayer = unresolvedLayer;
      var oldLayer = layer;
      pend.go(function(cb) {
        zlib.gunzip(zipped, function(err, buf) {
          if (err) {
            cb(err);
            return;
          }
          unresolvedLayer = oldUnresolvedLayer;
          layer = oldLayer;
          unpackTileBytes(buf);
          cb();
        });
      });
    },
  };
  states[STATE_TILE_DATA_B64_ZLIB] = {
    opentag: function(tag) {
      waitForClose();
    },
    closetag: function(name) {
      state = STATE_TILE_LAYER;
    },
    text: function(text) {
      var zipped = bops.from(text.trim(), 'base64');
      var oldUnresolvedLayer = unresolvedLayer;
      var oldLayer = layer;
      pend.go(function(cb) {
        zlib.inflate(zipped, function(err, buf) {
          if (err) {
            cb(err);
            return;
          }
          layer = oldLayer;
          unresolvedLayer = oldUnresolvedLayer;
          unpackTileBytes(buf);
          cb();
        });
      });
    },
  };
  states[STATE_TERRAIN_TYPES] = {
    opentag: function(tag) {
      if (tag.name === 'TERRAIN') {
        terrain = new Terrain();
        terrain.name = tag.attributes.NAME;
        terrain.tile = int(tag.attributes.TILE);
        tileSet.terrainTypes.push(terrain);
        state = STATE_TERRAIN;
      } else {
        waitForClose();
      }
    },
    closetag: function(name) {
      state = STATE_TILESET;
    },
    text: noop,
  };
  states[STATE_TERRAIN] = {
    opentag: function(tag) {
      if (tag.name === 'PROPERTIES') {
        collectProperties(terrain.properties);
      } else {
        waitForClose();
      }
    },
    closetag: function(name) {
      state = STATE_TERRAIN_TYPES;
    },
    text: noop,
  };

  parser.onerror = cb;
  parser.onopentag = function(tag) {
    states[state].opentag(tag);
  };
  parser.onclosetag = function(name) {
    states[state].closetag(name);
  };
  parser.ontext = function(text) {
    states[state].text(text);
  };
  parser.onend = function() {
    // wait until async stuff has finished
    pend.wait(function(err) {
      if (err) {
        cb(err);
        return;
      }
      // now all tilesets are resolved and all data is decoded
      unresolvedLayers.forEach(resolveLayer);
      cb(null, topLevelObject);
    });
  };
  parser.write(content).close();

  function resolveTerrain(terrainIndexStr) {
    return tileSet.terrainTypes[parseInt(terrainIndexStr, 10)];
  }

  function saveTile(gid) {
    layer.horizontalFlips[tileIndex] = !!(gid & FLIPPED_HORIZONTALLY_FLAG);
    layer.verticalFlips[tileIndex]   = !!(gid & FLIPPED_VERTICALLY_FLAG);
    layer.diagonalFlips[tileIndex]   = !!(gid & FLIPPED_DIAGONALLY_FLAG);

    gid &= ~(FLIPPED_HORIZONTALLY_FLAG |
             FLIPPED_VERTICALLY_FLAG |
             FLIPPED_DIAGONALLY_FLAG);

    unresolvedLayer.tiles[tileIndex] = gid;

    tileIndex += 1;
  }

  function collectImage(tag) {
    var img = new Image();
    img.format = tag.attributes.FORMAT;
    img.source = tag.attributes.SOURCE;
    img.trans = tag.attributes.TRANS;
    img.width = int(tag.attributes.WIDTH);
    img.height = int(tag.attributes.HEIGHT);

    // TODO: read possible <data>
    waitForClose();
    return img;
  }

  function collectTileSet(tag, nextState) {
    tileSet = new TileSet();
    tileSet.firstGid = int(tag.attributes.FIRSTGID);
    tileSet.source = tag.attributes.SOURCE;
    tileSet.name = tag.attributes.NAME;
    tileSet.tileWidth = int(tag.attributes.TILEWIDTH);
    tileSet.tileHeight = int(tag.attributes.TILEHEIGHT);
    tileSet.spacing = int(tag.attributes.SPACING);
    tileSet.margin = int(tag.attributes.MARGIN);

    if (tileSet.source) {
      pend.go(function(cb) {
        resolveTileSet(tileSet, cb);
      });
    }

    state = STATE_TILESET;
    tileSetNextState = nextState;
  }

  function collectProperties(obj) {
    propertiesObject = obj;
    propertiesNextState = state;
    state = STATE_COLLECT_PROPS;
  }

  function waitForClose() {
    waitForCloseNextState = state;
    state = STATE_WAIT_FOR_CLOSE;
    waitForCloseOpenCount = 1;
  }

  function error(err) {
    parser.onerror = null;
    parser.onopentag = null;
    parser.onclosetag = null;
    parser.ontext = null;
    parser.onend = null;
    cb(err);
  }

  function resolveTileSet(unresolvedTileSet, cb) {
    var target = path.join(pathToDir, unresolvedTileSet.source);
    parseFile(target, function(err, resolvedTileSet) {
      if (err) {
        cb(err);
        return;
      }
      resolvedTileSet.mergeTo(unresolvedTileSet);
      cb();
    });
  }

  function resolveLayer(unresolvedLayer) {
    for (var i = 0; i < unresolvedLayer.tiles.length; i += 1) {
      var globalTileId = unresolvedLayer.tiles[i];
      for (var tileSetIndex = map.tileSets.length - 1;
          tileSetIndex >= 0; tileSetIndex -= 1)
      {
        var tileSet = map.tileSets[tileSetIndex];
        if (tileSet.firstGid <= globalTileId) {
          var tileId = globalTileId - tileSet.firstGid;
          var tile = tileSet.tiles[tileId];
          if (!tile) {
            // implicit tile
            tile = new Tile();
            tile.id = tileId;
            tileSet.tiles[tileId] = tile;
          }
          unresolvedLayer.layer.tiles[i] = tile;
          break;
        }
      }
    }
  }

  function unpackTileBytes(buf) {
    var expectedCount = map.width * map.height * 4;
    if (buf.length !== expectedCount) {
      error(new Error("Expected " + expectedCount +
            " bytes of tile data; received " + buf.length));
      return;
    }
    tileIndex = 0;
    for (var i = 0; i < expectedCount; i += 4) {
      saveTile(readUInt32LE(buf, i));
    }
  }
}

function defaultReadFile(name, cb) {
  fs.readFile(name, { encoding: 'utf8' }, cb);
}

function parseFile(name, cb) {
  exports.readFile(name, function(err, content) {
    if (err) {
      cb(err);
    } else {
      parse(content, name, cb);
    }
  });
}

function parsePoints(str) {
  var points = str.split(" ");
  return points.map(function(pt) {
    var xy = pt.split(",");
    return {
      x: xy[0],
      y: xy[1],
    };
  });
}

// needed until https://github.com/chrisdickinson/bops/pull/7 is resolved
function readUInt32LE(buf, offset) {
  offset = ~~offset;
  var val = 0;
  val = buf[offset + 2] << 16;
  val |= buf[offset + 1] << 8;
  val |= buf[offset];
  return val + (buf[offset + 3] << 24 >>> 0);
}

function noop() {}

function int(value, defaultValue) {
  defaultValue = defaultValue == null ? null : defaultValue;
  return value == null ? defaultValue : parseInt(value, 10);
}

function bool(value, defaultValue) {
  defaultValue = defaultValue == null ? null : defaultValue;
  return value == null ? defaultValue : !!parseInt(value, 10);
}

function float(value, defaultValue) {
  defaultValue = defaultValue == null ? null : defaultValue;
  return value == null ? defaultValue : parseFloat(value, 10);
}

function Map() {
  this.version = null;
  this.orientation = "orthogonal";
  this.width = 0;
  this.height = 0;
  this.tileWidth = 0;
  this.tileHeight = 0;
  this.backgroundColor = null;

  this.layers = [];
  this.properties = {};
  this.tileSets = [];
}

function TileSet() {
  this.firstGid = 0;
  this.source = "";
  this.name = "";
  this.tileWidth = 0;
  this.tileHeight = 0;
  this.spacing = 0;
  this.margin = 0;
  this.tileOffset = {x: 0, y: 0};
  this.properties = {};
  this.image = null;
  this.tiles = [];
  this.terrainTypes = [];
}

TileSet.prototype.mergeTo = function(other) {
  other.firstGid = this.firstGid == null ? other.firstGid : this.firstGid;
  other.source = this.source == null ? other.source : this.source;
  other.name = this.name == null ? other.name : this.name;
  other.tileWidth = this.tileWidth == null ? other.tileWidth : this.tileWidth;
  other.tileHeight = this.tileHeight == null ? other.tileHeight : this.tileHeight;
  other.spacing = this.spacing == null ? other.spacing : this.spacing;
  other.margin = this.margin == null ? other.margin : this.margin;
  other.tileOffset = this.tileOffset == null ? other.tileOffset : this.tileOffset;
  other.properties = this.properties == null ? other.properties : this.properties;
  other.image = this.image == null ? other.image : this.image;
  other.tiles = this.tiles == null ? other.tiles : this.tiles;
  other.terrainTypes = this.terrainTypes == null ? other.terrainTypes : this.terrainTypes;
};

function Image() {
  this.format = null;
  this.source = "";
  this.trans = null;
  this.width = 0;
  this.height = 0;
}

function Tile() {
  this.id = 0;
  this.terrain = [];
  this.probability = null;
  this.properties = {};
  this.image = null;
}

function TileLayer(map) {
  var tileCount = map.width * map.height;
  this.map = map;
  this.type = "tile";
  this.name = null;
  this.opacity = 1;
  this.visible = true;
  this.properties = {};
  this.tiles = new Array(tileCount);
  this.horizontalFlips = new Array(tileCount);
  this.verticalFlips = new Array(tileCount);
  this.diagonalFlips = new Array(tileCount);
}

TileLayer.prototype.tileAt = function(x, y) {
  return this.tiles[y * this.map.width + x];
};

TileLayer.prototype.setTileAt = function(x, y, tile) {
  this.tiles[y * this.map.width + x] = tile;
};

function ObjectLayer() {
  this.type = "object";
  this.name = null;
  this.color = null;
  this.opacity = 1;
  this.visible = true;
  this.properties = {};
  this.objects = [];
}

function ImageLayer() {
  this.type = "image";
  this.name = null;
  this.opacity = 1;
  this.visible = true;
  this.properties = {};
  this.image = null;
}

function TmxObject() {
  this.name = null;
  this.type = null;
  this.x = 0;
  this.y = 0;
  this.width = 0;
  this.height = 0;
  this.rotation = 0;
  this.properties = {};
  this.gid = null;
  this.visible = true;
  this.ellipse = false;
  this.polygon = null;
  this.polyline = null;
}

function Terrain() {
  this.name = "";
  this.tile = 0;
  this.properties = {};
}

},{"bops":24,"fs":9,"path":10,"pend":37,"sax":38,"zlib":18}],24:[function(require,module,exports){
var proto = {}
module.exports = proto

proto.from = require('./from.js')
proto.to = require('./to.js')
proto.is = require('./is.js')
proto.subarray = require('./subarray.js')
proto.join = require('./join.js')
proto.copy = require('./copy.js')
proto.create = require('./create.js')

mix(require('./read.js'), proto)
mix(require('./write.js'), proto)

function mix(from, into) {
  for(var key in from) {
    into[key] = from[key]
  }
}

},{"./copy.js":27,"./create.js":28,"./from.js":29,"./is.js":30,"./join.js":31,"./read.js":33,"./subarray.js":34,"./to.js":35,"./write.js":36}],25:[function(require,module,exports){
module.exports=require(17)
},{}],26:[function(require,module,exports){
module.exports = to_utf8

var out = []
  , col = []
  , fcc = String.fromCharCode
  , mask = [0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01]
  , unmask = [
      0x00
    , 0x01
    , 0x02 | 0x01
    , 0x04 | 0x02 | 0x01
    , 0x08 | 0x04 | 0x02 | 0x01
    , 0x10 | 0x08 | 0x04 | 0x02 | 0x01
    , 0x20 | 0x10 | 0x08 | 0x04 | 0x02 | 0x01
    , 0x40 | 0x20 | 0x10 | 0x08 | 0x04 | 0x02 | 0x01
  ]

function to_utf8(bytes, start, end) {
  start = start === undefined ? 0 : start
  end = end === undefined ? bytes.length : end

  var idx = 0
    , hi = 0x80
    , collecting = 0
    , pos
    , by

  col.length =
  out.length = 0

  while(idx < bytes.length) {
    by = bytes[idx]
    if(!collecting && by & hi) {
      pos = find_pad_position(by)
      collecting += pos
      if(pos < 8) {
        col[col.length] = by & unmask[6 - pos]
      }
    } else if(collecting) {
      col[col.length] = by & unmask[6]
      --collecting
      if(!collecting && col.length) {
        out[out.length] = fcc(reduced(col, pos))
        col.length = 0
      }
    } else { 
      out[out.length] = fcc(by)
    }
    ++idx
  }
  if(col.length && !collecting) {
    out[out.length] = fcc(reduced(col, pos))
    col.length = 0
  }
  return out.join('')
}

function find_pad_position(byt) {
  for(var i = 0; i < 7; ++i) {
    if(!(byt & mask[i])) {
      break
    }
  }
  return i
}

function reduced(list) {
  var out = 0
  for(var i = 0, len = list.length; i < len; ++i) {
    out |= list[i] << ((len - i - 1) * 6)
  }
  return out
}

},{}],27:[function(require,module,exports){
module.exports = copy

var slice = [].slice

function copy(source, target, target_start, source_start, source_end) {
  target_start = arguments.length < 3 ? 0 : target_start
  source_start = arguments.length < 4 ? 0 : source_start
  source_end = arguments.length < 5 ? source.length : source_end

  if(source_end === source_start) {
    return
  }

  if(target.length === 0 || source.length === 0) {
    return
  }

  if(source_end > source.length) {
    source_end = source.length
  }

  if(target.length - target_start < source_end - source_start) {
    source_end = target.length - target_start + start
  }

  if(source.buffer !== target.buffer) {
    return fast_copy(source, target, target_start, source_start, source_end)
  }
  return slow_copy(source, target, target_start, source_start, source_end)
}

function fast_copy(source, target, target_start, source_start, source_end) {
  var len = (source_end - source_start) + target_start

  for(var i = target_start, j = source_start;
      i < len;
      ++i,
      ++j) {
    target[i] = source[j]
  }
}

function slow_copy(from, to, j, i, jend) {
  // the buffers could overlap.
  var iend = jend + i
    , tmp = new Uint8Array(slice.call(from, i, iend))
    , x = 0

  for(; i < iend; ++i, ++x) {
    to[j++] = tmp[x]
  }
}

},{}],28:[function(require,module,exports){
module.exports = function(size) {
  return new Uint8Array(size)
}

},{}],29:[function(require,module,exports){
module.exports = from

var base64 = require('base64-js')

var decoders = {
    hex: from_hex
  , utf8: from_utf
  , base64: from_base64
}

function from(source, encoding) {
  if(Array.isArray(source)) {
    return new Uint8Array(source)
  }

  return decoders[encoding || 'utf8'](source)
}

function from_hex(str) {
  var size = str.length / 2
    , buf = new Uint8Array(size)
    , character = ''

  for(var i = 0, len = str.length; i < len; ++i) {
    character += str.charAt(i)

    if(i > 0 && (i % 2) === 1) {
      buf[i>>>1] = parseInt(character, 16)
      character = '' 
    }
  }

  return buf 
}

function from_utf(str) {
  var bytes = []
    , tmp
    , ch

  for(var i = 0, len = str.length; i < len; ++i) {
    ch = str.charCodeAt(i)
    if(ch & 0x80) {
      tmp = encodeURIComponent(str.charAt(i)).substr(1).split('%')
      for(var j = 0, jlen = tmp.length; j < jlen; ++j) {
        bytes[bytes.length] = parseInt(tmp[j], 16)
      }
    } else {
      bytes[bytes.length] = ch 
    }
  }

  return new Uint8Array(bytes)
}

function from_base64(str) {
  return new Uint8Array(base64.toByteArray(str)) 
}

},{"base64-js":25}],30:[function(require,module,exports){

module.exports = function(buffer) {
  return buffer instanceof Uint8Array;
}

},{}],31:[function(require,module,exports){
module.exports = join

function join(targets, hint) {
  if(!targets.length) {
    return new Uint8Array(0)
  }

  var len = hint !== undefined ? hint : get_length(targets)
    , out = new Uint8Array(len)
    , cur = targets[0]
    , curlen = cur.length
    , curidx = 0
    , curoff = 0
    , i = 0

  while(i < len) {
    if(curoff === curlen) {
      curoff = 0
      ++curidx
      cur = targets[curidx]
      curlen = cur && cur.length
      continue
    }
    out[i++] = cur[curoff++] 
  }

  return out
}

function get_length(targets) {
  var size = 0
  for(var i = 0, len = targets.length; i < len; ++i) {
    size += targets[i].byteLength
  }
  return size
}

},{}],32:[function(require,module,exports){
var proto
  , map

module.exports = proto = {}

map = typeof WeakMap === 'undefined' ? null : new WeakMap

proto.get = !map ? no_weakmap_get : get

function no_weakmap_get(target) {
  return new DataView(target.buffer, 0)
}

function get(target) {
  var out = map.get(target.buffer)
  if(!out) {
    map.set(target.buffer, out = new DataView(target.buffer, 0))
  }
  return out
}

},{}],33:[function(require,module,exports){
module.exports = {
    readUInt8:      read_uint8
  , readInt8:       read_int8
  , readUInt16LE:   read_uint16_le
  , readUInt32LE:   read_uint32_le
  , readInt16LE:    read_int16_le
  , readInt32LE:    read_int32_le
  , readFloatLE:    read_float_le
  , readDoubleLE:   read_double_le
  , readUInt16BE:   read_uint16_be
  , readUInt32BE:   read_uint32_be
  , readInt16BE:    read_int16_be
  , readInt32BE:    read_int32_be
  , readFloatBE:    read_float_be
  , readDoubleBE:   read_double_be
}

var map = require('./mapped.js')

function read_uint8(target, at) {
  return target[at]
}

function read_int8(target, at) {
  var v = target[at];
  return v < 0x80 ? v : v - 0x100
}

function read_uint16_le(target, at) {
  var dv = map.get(target);
  return dv.getUint16(at + target.byteOffset, true)
}

function read_uint32_le(target, at) {
  var dv = map.get(target);
  return dv.getUint32(at + target.byteOffset, true)
}

function read_int16_le(target, at) {
  var dv = map.get(target);
  return dv.getInt16(at + target.byteOffset, true)
}

function read_int32_le(target, at) {
  var dv = map.get(target);
  return dv.getInt32(at + target.byteOffset, true)
}

function read_float_le(target, at) {
  var dv = map.get(target);
  return dv.getFloat32(at + target.byteOffset, true)
}

function read_double_le(target, at) {
  var dv = map.get(target);
  return dv.getFloat64(at + target.byteOffset, true)
}

function read_uint16_be(target, at) {
  var dv = map.get(target);
  return dv.getUint16(at + target.byteOffset, false)
}

function read_uint32_be(target, at) {
  var dv = map.get(target);
  return dv.getUint32(at + target.byteOffset, false)
}

function read_int16_be(target, at) {
  var dv = map.get(target);
  return dv.getInt16(at + target.byteOffset, false)
}

function read_int32_be(target, at) {
  var dv = map.get(target);
  return dv.getInt32(at + target.byteOffset, false)
}

function read_float_be(target, at) {
  var dv = map.get(target);
  return dv.getFloat32(at + target.byteOffset, false)
}

function read_double_be(target, at) {
  var dv = map.get(target);
  return dv.getFloat64(at + target.byteOffset, false)
}

},{"./mapped.js":32}],34:[function(require,module,exports){
module.exports = subarray

function subarray(buf, from, to) {
  return buf.subarray(from || 0, to || buf.length)
}

},{}],35:[function(require,module,exports){
module.exports = to

var base64 = require('base64-js')
  , toutf8 = require('to-utf8')

var encoders = {
    hex: to_hex
  , utf8: to_utf
  , base64: to_base64
}

function to(buf, encoding) {
  return encoders[encoding || 'utf8'](buf)
}

function to_hex(buf) {
  var str = ''
    , byt

  for(var i = 0, len = buf.length; i < len; ++i) {
    byt = buf[i]
    str += ((byt & 0xF0) >>> 4).toString(16)
    str += (byt & 0x0F).toString(16)
  }

  return str
}

function to_utf(buf) {
  return toutf8(buf)
}

function to_base64(buf) {
  return base64.fromByteArray(buf)
}


},{"base64-js":25,"to-utf8":26}],36:[function(require,module,exports){
module.exports = {
    writeUInt8:      write_uint8
  , writeInt8:       write_int8
  , writeUInt16LE:   write_uint16_le
  , writeUInt32LE:   write_uint32_le
  , writeInt16LE:    write_int16_le
  , writeInt32LE:    write_int32_le
  , writeFloatLE:    write_float_le
  , writeDoubleLE:   write_double_le
  , writeUInt16BE:   write_uint16_be
  , writeUInt32BE:   write_uint32_be
  , writeInt16BE:    write_int16_be
  , writeInt32BE:    write_int32_be
  , writeFloatBE:    write_float_be
  , writeDoubleBE:   write_double_be
}

var map = require('./mapped.js')

function write_uint8(target, value, at) {
  return target[at] = value
}

function write_int8(target, value, at) {
  return target[at] = value < 0 ? value + 0x100 : value
}

function write_uint16_le(target, value, at) {
  var dv = map.get(target);
  return dv.setUint16(at + target.byteOffset, value, true)
}

function write_uint32_le(target, value, at) {
  var dv = map.get(target);
  return dv.setUint32(at + target.byteOffset, value, true)
}

function write_int16_le(target, value, at) {
  var dv = map.get(target);
  return dv.setInt16(at + target.byteOffset, value, true)
}

function write_int32_le(target, value, at) {
  var dv = map.get(target);
  return dv.setInt32(at + target.byteOffset, value, true)
}

function write_float_le(target, value, at) {
  var dv = map.get(target);
  return dv.setFloat32(at + target.byteOffset, value, true)
}

function write_double_le(target, value, at) {
  var dv = map.get(target);
  return dv.setFloat64(at + target.byteOffset, value, true)
}

function write_uint16_be(target, value, at) {
  var dv = map.get(target);
  return dv.setUint16(at + target.byteOffset, value, false)
}

function write_uint32_be(target, value, at) {
  var dv = map.get(target);
  return dv.setUint32(at + target.byteOffset, value, false)
}

function write_int16_be(target, value, at) {
  var dv = map.get(target);
  return dv.setInt16(at + target.byteOffset, value, false)
}

function write_int32_be(target, value, at) {
  var dv = map.get(target);
  return dv.setInt32(at + target.byteOffset, value, false)
}

function write_float_be(target, value, at) {
  var dv = map.get(target);
  return dv.setFloat32(at + target.byteOffset, value, false)
}

function write_double_be(target, value, at) {
  var dv = map.get(target);
  return dv.setFloat64(at + target.byteOffset, value, false)
}

},{"./mapped.js":32}],37:[function(require,module,exports){
module.exports = Pend;

function Pend() {
  this.pending = 0;
  this.listeners = [];
  this.error = null;
}

Pend.prototype.go = function(fn) {
  pendGo(this, fn);
};

Pend.prototype.wait = function(cb) {
  if (this.pending === 0) {
    cb(this.error);
  } else {
    this.listeners.push(cb);
  }
};

function pendGo(self, fn) {
  self.pending += 1;
  fn(onCb);
  function onCb(err) {
    self.error = self.error || err;
    self.pending -= 1;
    if (self.pending < 0) throw new Error("Callback called twice.");
    if (self.pending === 0) {
      self.listeners.forEach(cbListener);
      self.listeners = [];
    }
  }
  function cbListener(listener) {
    listener(self.error);
  }
}


},{}],38:[function(require,module,exports){
var Buffer=require("__browserify_Buffer").Buffer;// wrapper for non-node envs
;(function (sax) {

sax.parser = function (strict, opt) { return new SAXParser(strict, opt) }
sax.SAXParser = SAXParser
sax.SAXStream = SAXStream
sax.createStream = createStream

// When we pass the MAX_BUFFER_LENGTH position, start checking for buffer overruns.
// When we check, schedule the next check for MAX_BUFFER_LENGTH - (max(buffer lengths)),
// since that's the earliest that a buffer overrun could occur.  This way, checks are
// as rare as required, but as often as necessary to ensure never crossing this bound.
// Furthermore, buffers are only tested at most once per write(), so passing a very
// large string into write() might have undesirable effects, but this is manageable by
// the caller, so it is assumed to be safe.  Thus, a call to write() may, in the extreme
// edge case, result in creating at most one complete copy of the string passed in.
// Set to Infinity to have unlimited buffers.
sax.MAX_BUFFER_LENGTH = 64 * 1024

var buffers = [
  "comment", "sgmlDecl", "textNode", "tagName", "doctype",
  "procInstName", "procInstBody", "entity", "attribName",
  "attribValue", "cdata", "script"
]

sax.EVENTS = // for discoverability.
  [ "text"
  , "processinginstruction"
  , "sgmldeclaration"
  , "doctype"
  , "comment"
  , "attribute"
  , "opentag"
  , "closetag"
  , "opencdata"
  , "cdata"
  , "closecdata"
  , "error"
  , "end"
  , "ready"
  , "script"
  , "opennamespace"
  , "closenamespace"
  ]

function SAXParser (strict, opt) {
  if (!(this instanceof SAXParser)) return new SAXParser(strict, opt)

  var parser = this
  clearBuffers(parser)
  parser.q = parser.c = ""
  parser.bufferCheckPosition = sax.MAX_BUFFER_LENGTH
  parser.opt = opt || {}
  parser.opt.lowercase = parser.opt.lowercase || parser.opt.lowercasetags
  parser.looseCase = parser.opt.lowercase ? "toLowerCase" : "toUpperCase"
  parser.tags = []
  parser.closed = parser.closedRoot = parser.sawRoot = false
  parser.tag = parser.error = null
  parser.strict = !!strict
  parser.noscript = !!(strict || parser.opt.noscript)
  parser.state = S.BEGIN
  parser.ENTITIES = Object.create(sax.ENTITIES)
  parser.attribList = []

  // namespaces form a prototype chain.
  // it always points at the current tag,
  // which protos to its parent tag.
  if (parser.opt.xmlns) parser.ns = Object.create(rootNS)

  // mostly just for error reporting
  parser.trackPosition = parser.opt.position !== false
  if (parser.trackPosition) {
    parser.position = parser.line = parser.column = 0
  }
  emit(parser, "onready")
}

if (!Object.create) Object.create = function (o) {
  function f () { this.__proto__ = o }
  f.prototype = o
  return new f
}

if (!Object.getPrototypeOf) Object.getPrototypeOf = function (o) {
  return o.__proto__
}

if (!Object.keys) Object.keys = function (o) {
  var a = []
  for (var i in o) if (o.hasOwnProperty(i)) a.push(i)
  return a
}

function checkBufferLength (parser) {
  var maxAllowed = Math.max(sax.MAX_BUFFER_LENGTH, 10)
    , maxActual = 0
  for (var i = 0, l = buffers.length; i < l; i ++) {
    var len = parser[buffers[i]].length
    if (len > maxAllowed) {
      // Text/cdata nodes can get big, and since they're buffered,
      // we can get here under normal conditions.
      // Avoid issues by emitting the text node now,
      // so at least it won't get any bigger.
      switch (buffers[i]) {
        case "textNode":
          closeText(parser)
        break

        case "cdata":
          emitNode(parser, "oncdata", parser.cdata)
          parser.cdata = ""
        break

        case "script":
          emitNode(parser, "onscript", parser.script)
          parser.script = ""
        break

        default:
          error(parser, "Max buffer length exceeded: "+buffers[i])
      }
    }
    maxActual = Math.max(maxActual, len)
  }
  // schedule the next check for the earliest possible buffer overrun.
  parser.bufferCheckPosition = (sax.MAX_BUFFER_LENGTH - maxActual)
                             + parser.position
}

function clearBuffers (parser) {
  for (var i = 0, l = buffers.length; i < l; i ++) {
    parser[buffers[i]] = ""
  }
}

SAXParser.prototype =
  { end: function () { end(this) }
  , write: write
  , resume: function () { this.error = null; return this }
  , close: function () { return this.write(null) }
  }

try {
  var Stream = require("stream").Stream
} catch (ex) {
  var Stream = function () {}
}


var streamWraps = sax.EVENTS.filter(function (ev) {
  return ev !== "error" && ev !== "end"
})

function createStream (strict, opt) {
  return new SAXStream(strict, opt)
}

function SAXStream (strict, opt) {
  if (!(this instanceof SAXStream)) return new SAXStream(strict, opt)

  Stream.apply(this)

  this._parser = new SAXParser(strict, opt)
  this.writable = true
  this.readable = true


  var me = this

  this._parser.onend = function () {
    me.emit("end")
  }

  this._parser.onerror = function (er) {
    me.emit("error", er)

    // if didn't throw, then means error was handled.
    // go ahead and clear error, so we can write again.
    me._parser.error = null
  }

  this._decoder = null;

  streamWraps.forEach(function (ev) {
    Object.defineProperty(me, "on" + ev, {
      get: function () { return me._parser["on" + ev] },
      set: function (h) {
        if (!h) {
          me.removeAllListeners(ev)
          return me._parser["on"+ev] = h
        }
        me.on(ev, h)
      },
      enumerable: true,
      configurable: false
    })
  })
}

SAXStream.prototype = Object.create(Stream.prototype,
  { constructor: { value: SAXStream } })

SAXStream.prototype.write = function (data) {
  if (typeof Buffer === 'function' &&
      typeof Buffer.isBuffer === 'function' &&
      Buffer.isBuffer(data)) {
    if (!this._decoder) {
      var SD = require('string_decoder').StringDecoder
      this._decoder = new SD('utf8')
    }
    data = this._decoder.write(data);
  }

  this._parser.write(data.toString())
  this.emit("data", data)
  return true
}

SAXStream.prototype.end = function (chunk) {
  if (chunk && chunk.length) this.write(chunk)
  else if (this.leftovers) this._parser.write(this.leftovers.toString())
  this._parser.end()
  return true
}

SAXStream.prototype.on = function (ev, handler) {
  var me = this
  if (!me._parser["on"+ev] && streamWraps.indexOf(ev) !== -1) {
    me._parser["on"+ev] = function () {
      var args = arguments.length === 1 ? [arguments[0]]
               : Array.apply(null, arguments)
      args.splice(0, 0, ev)
      me.emit.apply(me, args)
    }
  }

  return Stream.prototype.on.call(me, ev, handler)
}



// character classes and tokens
var whitespace = "\r\n\t "
  // this really needs to be replaced with character classes.
  // XML allows all manner of ridiculous numbers and digits.
  , number = "0124356789"
  , letter = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  // (Letter | "_" | ":")
  , quote = "'\""
  , entity = number+letter+"#"
  , attribEnd = whitespace + ">"
  , CDATA = "[CDATA["
  , DOCTYPE = "DOCTYPE"
  , XML_NAMESPACE = "http://www.w3.org/XML/1998/namespace"
  , XMLNS_NAMESPACE = "http://www.w3.org/2000/xmlns/"
  , rootNS = { xml: XML_NAMESPACE, xmlns: XMLNS_NAMESPACE }

// turn all the string character sets into character class objects.
whitespace = charClass(whitespace)
number = charClass(number)
letter = charClass(letter)

// http://www.w3.org/TR/REC-xml/#NT-NameStartChar
// This implementation works on strings, a single character at a time
// as such, it cannot ever support astral-plane characters (10000-EFFFF)
// without a significant breaking change to either this  parser, or the
// JavaScript language.  Implementation of an emoji-capable xml parser
// is left as an exercise for the reader.
var nameStart = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/

var nameBody = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040\.\d-]/

quote = charClass(quote)
entity = charClass(entity)
attribEnd = charClass(attribEnd)

function charClass (str) {
  return str.split("").reduce(function (s, c) {
    s[c] = true
    return s
  }, {})
}

function isRegExp (c) {
  return Object.prototype.toString.call(c) === '[object RegExp]'
}

function is (charclass, c) {
  return isRegExp(charclass) ? !!c.match(charclass) : charclass[c]
}

function not (charclass, c) {
  return !is(charclass, c)
}

var S = 0
sax.STATE =
{ BEGIN                     : S++
, TEXT                      : S++ // general stuff
, TEXT_ENTITY               : S++ // &amp and such.
, OPEN_WAKA                 : S++ // <
, SGML_DECL                 : S++ // <!BLARG
, SGML_DECL_QUOTED          : S++ // <!BLARG foo "bar
, DOCTYPE                   : S++ // <!DOCTYPE
, DOCTYPE_QUOTED            : S++ // <!DOCTYPE "//blah
, DOCTYPE_DTD               : S++ // <!DOCTYPE "//blah" [ ...
, DOCTYPE_DTD_QUOTED        : S++ // <!DOCTYPE "//blah" [ "foo
, COMMENT_STARTING          : S++ // <!-
, COMMENT                   : S++ // <!--
, COMMENT_ENDING            : S++ // <!-- blah -
, COMMENT_ENDED             : S++ // <!-- blah --
, CDATA                     : S++ // <![CDATA[ something
, CDATA_ENDING              : S++ // ]
, CDATA_ENDING_2            : S++ // ]]
, PROC_INST                 : S++ // <?hi
, PROC_INST_BODY            : S++ // <?hi there
, PROC_INST_ENDING          : S++ // <?hi "there" ?
, OPEN_TAG                  : S++ // <strong
, OPEN_TAG_SLASH            : S++ // <strong /
, ATTRIB                    : S++ // <a
, ATTRIB_NAME               : S++ // <a foo
, ATTRIB_NAME_SAW_WHITE     : S++ // <a foo _
, ATTRIB_VALUE              : S++ // <a foo=
, ATTRIB_VALUE_QUOTED       : S++ // <a foo="bar
, ATTRIB_VALUE_UNQUOTED     : S++ // <a foo=bar
, ATTRIB_VALUE_ENTITY_Q     : S++ // <foo bar="&quot;"
, ATTRIB_VALUE_ENTITY_U     : S++ // <foo bar=&quot;
, CLOSE_TAG                 : S++ // </a
, CLOSE_TAG_SAW_WHITE       : S++ // </a   >
, SCRIPT                    : S++ // <script> ...
, SCRIPT_ENDING             : S++ // <script> ... <
}

sax.ENTITIES =
{ "amp" : "&"
, "gt" : ">"
, "lt" : "<"
, "quot" : "\""
, "apos" : "'"
, "AElig" : 198
, "Aacute" : 193
, "Acirc" : 194
, "Agrave" : 192
, "Aring" : 197
, "Atilde" : 195
, "Auml" : 196
, "Ccedil" : 199
, "ETH" : 208
, "Eacute" : 201
, "Ecirc" : 202
, "Egrave" : 200
, "Euml" : 203
, "Iacute" : 205
, "Icirc" : 206
, "Igrave" : 204
, "Iuml" : 207
, "Ntilde" : 209
, "Oacute" : 211
, "Ocirc" : 212
, "Ograve" : 210
, "Oslash" : 216
, "Otilde" : 213
, "Ouml" : 214
, "THORN" : 222
, "Uacute" : 218
, "Ucirc" : 219
, "Ugrave" : 217
, "Uuml" : 220
, "Yacute" : 221
, "aacute" : 225
, "acirc" : 226
, "aelig" : 230
, "agrave" : 224
, "aring" : 229
, "atilde" : 227
, "auml" : 228
, "ccedil" : 231
, "eacute" : 233
, "ecirc" : 234
, "egrave" : 232
, "eth" : 240
, "euml" : 235
, "iacute" : 237
, "icirc" : 238
, "igrave" : 236
, "iuml" : 239
, "ntilde" : 241
, "oacute" : 243
, "ocirc" : 244
, "ograve" : 242
, "oslash" : 248
, "otilde" : 245
, "ouml" : 246
, "szlig" : 223
, "thorn" : 254
, "uacute" : 250
, "ucirc" : 251
, "ugrave" : 249
, "uuml" : 252
, "yacute" : 253
, "yuml" : 255
, "copy" : 169
, "reg" : 174
, "nbsp" : 160
, "iexcl" : 161
, "cent" : 162
, "pound" : 163
, "curren" : 164
, "yen" : 165
, "brvbar" : 166
, "sect" : 167
, "uml" : 168
, "ordf" : 170
, "laquo" : 171
, "not" : 172
, "shy" : 173
, "macr" : 175
, "deg" : 176
, "plusmn" : 177
, "sup1" : 185
, "sup2" : 178
, "sup3" : 179
, "acute" : 180
, "micro" : 181
, "para" : 182
, "middot" : 183
, "cedil" : 184
, "ordm" : 186
, "raquo" : 187
, "frac14" : 188
, "frac12" : 189
, "frac34" : 190
, "iquest" : 191
, "times" : 215
, "divide" : 247
, "OElig" : 338
, "oelig" : 339
, "Scaron" : 352
, "scaron" : 353
, "Yuml" : 376
, "fnof" : 402
, "circ" : 710
, "tilde" : 732
, "Alpha" : 913
, "Beta" : 914
, "Gamma" : 915
, "Delta" : 916
, "Epsilon" : 917
, "Zeta" : 918
, "Eta" : 919
, "Theta" : 920
, "Iota" : 921
, "Kappa" : 922
, "Lambda" : 923
, "Mu" : 924
, "Nu" : 925
, "Xi" : 926
, "Omicron" : 927
, "Pi" : 928
, "Rho" : 929
, "Sigma" : 931
, "Tau" : 932
, "Upsilon" : 933
, "Phi" : 934
, "Chi" : 935
, "Psi" : 936
, "Omega" : 937
, "alpha" : 945
, "beta" : 946
, "gamma" : 947
, "delta" : 948
, "epsilon" : 949
, "zeta" : 950
, "eta" : 951
, "theta" : 952
, "iota" : 953
, "kappa" : 954
, "lambda" : 955
, "mu" : 956
, "nu" : 957
, "xi" : 958
, "omicron" : 959
, "pi" : 960
, "rho" : 961
, "sigmaf" : 962
, "sigma" : 963
, "tau" : 964
, "upsilon" : 965
, "phi" : 966
, "chi" : 967
, "psi" : 968
, "omega" : 969
, "thetasym" : 977
, "upsih" : 978
, "piv" : 982
, "ensp" : 8194
, "emsp" : 8195
, "thinsp" : 8201
, "zwnj" : 8204
, "zwj" : 8205
, "lrm" : 8206
, "rlm" : 8207
, "ndash" : 8211
, "mdash" : 8212
, "lsquo" : 8216
, "rsquo" : 8217
, "sbquo" : 8218
, "ldquo" : 8220
, "rdquo" : 8221
, "bdquo" : 8222
, "dagger" : 8224
, "Dagger" : 8225
, "bull" : 8226
, "hellip" : 8230
, "permil" : 8240
, "prime" : 8242
, "Prime" : 8243
, "lsaquo" : 8249
, "rsaquo" : 8250
, "oline" : 8254
, "frasl" : 8260
, "euro" : 8364
, "image" : 8465
, "weierp" : 8472
, "real" : 8476
, "trade" : 8482
, "alefsym" : 8501
, "larr" : 8592
, "uarr" : 8593
, "rarr" : 8594
, "darr" : 8595
, "harr" : 8596
, "crarr" : 8629
, "lArr" : 8656
, "uArr" : 8657
, "rArr" : 8658
, "dArr" : 8659
, "hArr" : 8660
, "forall" : 8704
, "part" : 8706
, "exist" : 8707
, "empty" : 8709
, "nabla" : 8711
, "isin" : 8712
, "notin" : 8713
, "ni" : 8715
, "prod" : 8719
, "sum" : 8721
, "minus" : 8722
, "lowast" : 8727
, "radic" : 8730
, "prop" : 8733
, "infin" : 8734
, "ang" : 8736
, "and" : 8743
, "or" : 8744
, "cap" : 8745
, "cup" : 8746
, "int" : 8747
, "there4" : 8756
, "sim" : 8764
, "cong" : 8773
, "asymp" : 8776
, "ne" : 8800
, "equiv" : 8801
, "le" : 8804
, "ge" : 8805
, "sub" : 8834
, "sup" : 8835
, "nsub" : 8836
, "sube" : 8838
, "supe" : 8839
, "oplus" : 8853
, "otimes" : 8855
, "perp" : 8869
, "sdot" : 8901
, "lceil" : 8968
, "rceil" : 8969
, "lfloor" : 8970
, "rfloor" : 8971
, "lang" : 9001
, "rang" : 9002
, "loz" : 9674
, "spades" : 9824
, "clubs" : 9827
, "hearts" : 9829
, "diams" : 9830
}

Object.keys(sax.ENTITIES).forEach(function (key) {
    var e = sax.ENTITIES[key]
    var s = typeof e === 'number' ? String.fromCharCode(e) : e
    sax.ENTITIES[key] = s
})

for (var S in sax.STATE) sax.STATE[sax.STATE[S]] = S

// shorthand
S = sax.STATE

function emit (parser, event, data) {
  parser[event] && parser[event](data)
}

function emitNode (parser, nodeType, data) {
  if (parser.textNode) closeText(parser)
  emit(parser, nodeType, data)
}

function closeText (parser) {
  parser.textNode = textopts(parser.opt, parser.textNode)
  if (parser.textNode) emit(parser, "ontext", parser.textNode)
  parser.textNode = ""
}

function textopts (opt, text) {
  if (opt.trim) text = text.trim()
  if (opt.normalize) text = text.replace(/\s+/g, " ")
  return text
}

function error (parser, er) {
  closeText(parser)
  if (parser.trackPosition) {
    er += "\nLine: "+parser.line+
          "\nColumn: "+parser.column+
          "\nChar: "+parser.c
  }
  er = new Error(er)
  parser.error = er
  emit(parser, "onerror", er)
  return parser
}

function end (parser) {
  if (!parser.closedRoot) strictFail(parser, "Unclosed root tag")
  if (parser.state !== S.TEXT) error(parser, "Unexpected end")
  closeText(parser)
  parser.c = ""
  parser.closed = true
  emit(parser, "onend")
  SAXParser.call(parser, parser.strict, parser.opt)
  return parser
}

function strictFail (parser, message) {
  if (typeof parser !== 'object' || !(parser instanceof SAXParser))
    throw new Error('bad call to strictFail');
  if (parser.strict) error(parser, message)
}

function newTag (parser) {
  if (!parser.strict) parser.tagName = parser.tagName[parser.looseCase]()
  var parent = parser.tags[parser.tags.length - 1] || parser
    , tag = parser.tag = { name : parser.tagName, attributes : {} }

  // will be overridden if tag contails an xmlns="foo" or xmlns:foo="bar"
  if (parser.opt.xmlns) tag.ns = parent.ns
  parser.attribList.length = 0
}

function qname (name) {
  var i = name.indexOf(":")
    , qualName = i < 0 ? [ "", name ] : name.split(":")
    , prefix = qualName[0]
    , local = qualName[1]

  // <x "xmlns"="http://foo">
  if (name === "xmlns") {
    prefix = "xmlns"
    local = ""
  }

  return { prefix: prefix, local: local }
}

function attrib (parser) {
  if (!parser.strict) parser.attribName = parser.attribName[parser.looseCase]()

  if (parser.attribList.indexOf(parser.attribName) !== -1 ||
      parser.tag.attributes.hasOwnProperty(parser.attribName)) {
    return parser.attribName = parser.attribValue = ""
  }

  if (parser.opt.xmlns) {
    var qn = qname(parser.attribName)
      , prefix = qn.prefix
      , local = qn.local

    if (prefix === "xmlns") {
      // namespace binding attribute; push the binding into scope
      if (local === "xml" && parser.attribValue !== XML_NAMESPACE) {
        strictFail( parser
                  , "xml: prefix must be bound to " + XML_NAMESPACE + "\n"
                  + "Actual: " + parser.attribValue )
      } else if (local === "xmlns" && parser.attribValue !== XMLNS_NAMESPACE) {
        strictFail( parser
                  , "xmlns: prefix must be bound to " + XMLNS_NAMESPACE + "\n"
                  + "Actual: " + parser.attribValue )
      } else {
        var tag = parser.tag
          , parent = parser.tags[parser.tags.length - 1] || parser
        if (tag.ns === parent.ns) {
          tag.ns = Object.create(parent.ns)
        }
        tag.ns[local] = parser.attribValue
      }
    }

    // defer onattribute events until all attributes have been seen
    // so any new bindings can take effect; preserve attribute order
    // so deferred events can be emitted in document order
    parser.attribList.push([parser.attribName, parser.attribValue])
  } else {
    // in non-xmlns mode, we can emit the event right away
    parser.tag.attributes[parser.attribName] = parser.attribValue
    emitNode( parser
            , "onattribute"
            , { name: parser.attribName
              , value: parser.attribValue } )
  }

  parser.attribName = parser.attribValue = ""
}

function openTag (parser, selfClosing) {
  if (parser.opt.xmlns) {
    // emit namespace binding events
    var tag = parser.tag

    // add namespace info to tag
    var qn = qname(parser.tagName)
    tag.prefix = qn.prefix
    tag.local = qn.local
    tag.uri = tag.ns[qn.prefix] || ""

    if (tag.prefix && !tag.uri) {
      strictFail(parser, "Unbound namespace prefix: "
                       + JSON.stringify(parser.tagName))
      tag.uri = qn.prefix
    }

    var parent = parser.tags[parser.tags.length - 1] || parser
    if (tag.ns && parent.ns !== tag.ns) {
      Object.keys(tag.ns).forEach(function (p) {
        emitNode( parser
                , "onopennamespace"
                , { prefix: p , uri: tag.ns[p] } )
      })
    }

    // handle deferred onattribute events
    // Note: do not apply default ns to attributes:
    //   http://www.w3.org/TR/REC-xml-names/#defaulting
    for (var i = 0, l = parser.attribList.length; i < l; i ++) {
      var nv = parser.attribList[i]
      var name = nv[0]
        , value = nv[1]
        , qualName = qname(name)
        , prefix = qualName.prefix
        , local = qualName.local
        , uri = prefix == "" ? "" : (tag.ns[prefix] || "")
        , a = { name: name
              , value: value
              , prefix: prefix
              , local: local
              , uri: uri
              }

      // if there's any attributes with an undefined namespace,
      // then fail on them now.
      if (prefix && prefix != "xmlns" && !uri) {
        strictFail(parser, "Unbound namespace prefix: "
                         + JSON.stringify(prefix))
        a.uri = prefix
      }
      parser.tag.attributes[name] = a
      emitNode(parser, "onattribute", a)
    }
    parser.attribList.length = 0
  }

  parser.tag.isSelfClosing = !!selfClosing

  // process the tag
  parser.sawRoot = true
  parser.tags.push(parser.tag)
  emitNode(parser, "onopentag", parser.tag)
  if (!selfClosing) {
    // special case for <script> in non-strict mode.
    if (!parser.noscript && parser.tagName.toLowerCase() === "script") {
      parser.state = S.SCRIPT
    } else {
      parser.state = S.TEXT
    }
    parser.tag = null
    parser.tagName = ""
  }
  parser.attribName = parser.attribValue = ""
  parser.attribList.length = 0
}

function closeTag (parser) {
  if (!parser.tagName) {
    strictFail(parser, "Weird empty close tag.")
    parser.textNode += "</>"
    parser.state = S.TEXT
    return
  }

  if (parser.script) {
    if (parser.tagName !== "script") {
      parser.script += "</" + parser.tagName + ">"
      parser.tagName = ""
      parser.state = S.SCRIPT
      return
    }
    emitNode(parser, "onscript", parser.script)
    parser.script = ""
  }

  // first make sure that the closing tag actually exists.
  // <a><b></c></b></a> will close everything, otherwise.
  var t = parser.tags.length
  var tagName = parser.tagName
  if (!parser.strict) tagName = tagName[parser.looseCase]()
  var closeTo = tagName
  while (t --) {
    var close = parser.tags[t]
    if (close.name !== closeTo) {
      // fail the first time in strict mode
      strictFail(parser, "Unexpected close tag")
    } else break
  }

  // didn't find it.  we already failed for strict, so just abort.
  if (t < 0) {
    strictFail(parser, "Unmatched closing tag: "+parser.tagName)
    parser.textNode += "</" + parser.tagName + ">"
    parser.state = S.TEXT
    return
  }
  parser.tagName = tagName
  var s = parser.tags.length
  while (s --> t) {
    var tag = parser.tag = parser.tags.pop()
    parser.tagName = parser.tag.name
    emitNode(parser, "onclosetag", parser.tagName)

    var x = {}
    for (var i in tag.ns) x[i] = tag.ns[i]

    var parent = parser.tags[parser.tags.length - 1] || parser
    if (parser.opt.xmlns && tag.ns !== parent.ns) {
      // remove namespace bindings introduced by tag
      Object.keys(tag.ns).forEach(function (p) {
        var n = tag.ns[p]
        emitNode(parser, "onclosenamespace", { prefix: p, uri: n })
      })
    }
  }
  if (t === 0) parser.closedRoot = true
  parser.tagName = parser.attribValue = parser.attribName = ""
  parser.attribList.length = 0
  parser.state = S.TEXT
}

function parseEntity (parser) {
  var entity = parser.entity
    , entityLC = entity.toLowerCase()
    , num
    , numStr = ""
  if (parser.ENTITIES[entity])
    return parser.ENTITIES[entity]
  if (parser.ENTITIES[entityLC])
    return parser.ENTITIES[entityLC]
  entity = entityLC
  if (entity.charAt(0) === "#") {
    if (entity.charAt(1) === "x") {
      entity = entity.slice(2)
      num = parseInt(entity, 16)
      numStr = num.toString(16)
    } else {
      entity = entity.slice(1)
      num = parseInt(entity, 10)
      numStr = num.toString(10)
    }
  }
  entity = entity.replace(/^0+/, "")
  if (numStr.toLowerCase() !== entity) {
    strictFail(parser, "Invalid character entity")
    return "&"+parser.entity + ";"
  }
  return String.fromCharCode(num)
}

function write (chunk) {
  var parser = this
  if (this.error) throw this.error
  if (parser.closed) return error(parser,
    "Cannot write after close. Assign an onready handler.")
  if (chunk === null) return end(parser)
  var i = 0, c = ""
  while (parser.c = c = chunk.charAt(i++)) {
    if (parser.trackPosition) {
      parser.position ++
      if (c === "\n") {
        parser.line ++
        parser.column = 0
      } else parser.column ++
    }
    switch (parser.state) {

      case S.BEGIN:
        if (c === "<") {
          parser.state = S.OPEN_WAKA
          parser.startTagPosition = parser.position
        } else if (not(whitespace,c)) {
          // have to process this as a text node.
          // weird, but happens.
          strictFail(parser, "Non-whitespace before first tag.")
          parser.textNode = c
          parser.state = S.TEXT
        }
      continue

      case S.TEXT:
        if (parser.sawRoot && !parser.closedRoot) {
          var starti = i-1
          while (c && c!=="<" && c!=="&") {
            c = chunk.charAt(i++)
            if (c && parser.trackPosition) {
              parser.position ++
              if (c === "\n") {
                parser.line ++
                parser.column = 0
              } else parser.column ++
            }
          }
          parser.textNode += chunk.substring(starti, i-1)
        }
        if (c === "<") {
          parser.state = S.OPEN_WAKA
          parser.startTagPosition = parser.position
        } else {
          if (not(whitespace, c) && (!parser.sawRoot || parser.closedRoot))
            strictFail(parser, "Text data outside of root node.")
          if (c === "&") parser.state = S.TEXT_ENTITY
          else parser.textNode += c
        }
      continue

      case S.SCRIPT:
        // only non-strict
        if (c === "<") {
          parser.state = S.SCRIPT_ENDING
        } else parser.script += c
      continue

      case S.SCRIPT_ENDING:
        if (c === "/") {
          parser.state = S.CLOSE_TAG
        } else {
          parser.script += "<" + c
          parser.state = S.SCRIPT
        }
      continue

      case S.OPEN_WAKA:
        // either a /, ?, !, or text is coming next.
        if (c === "!") {
          parser.state = S.SGML_DECL
          parser.sgmlDecl = ""
        } else if (is(whitespace, c)) {
          // wait for it...
        } else if (is(nameStart,c)) {
          parser.state = S.OPEN_TAG
          parser.tagName = c
        } else if (c === "/") {
          parser.state = S.CLOSE_TAG
          parser.tagName = ""
        } else if (c === "?") {
          parser.state = S.PROC_INST
          parser.procInstName = parser.procInstBody = ""
        } else {
          strictFail(parser, "Unencoded <")
          // if there was some whitespace, then add that in.
          if (parser.startTagPosition + 1 < parser.position) {
            var pad = parser.position - parser.startTagPosition
            c = new Array(pad).join(" ") + c
          }
          parser.textNode += "<" + c
          parser.state = S.TEXT
        }
      continue

      case S.SGML_DECL:
        if ((parser.sgmlDecl+c).toUpperCase() === CDATA) {
          emitNode(parser, "onopencdata")
          parser.state = S.CDATA
          parser.sgmlDecl = ""
          parser.cdata = ""
        } else if (parser.sgmlDecl+c === "--") {
          parser.state = S.COMMENT
          parser.comment = ""
          parser.sgmlDecl = ""
        } else if ((parser.sgmlDecl+c).toUpperCase() === DOCTYPE) {
          parser.state = S.DOCTYPE
          if (parser.doctype || parser.sawRoot) strictFail(parser,
            "Inappropriately located doctype declaration")
          parser.doctype = ""
          parser.sgmlDecl = ""
        } else if (c === ">") {
          emitNode(parser, "onsgmldeclaration", parser.sgmlDecl)
          parser.sgmlDecl = ""
          parser.state = S.TEXT
        } else if (is(quote, c)) {
          parser.state = S.SGML_DECL_QUOTED
          parser.sgmlDecl += c
        } else parser.sgmlDecl += c
      continue

      case S.SGML_DECL_QUOTED:
        if (c === parser.q) {
          parser.state = S.SGML_DECL
          parser.q = ""
        }
        parser.sgmlDecl += c
      continue

      case S.DOCTYPE:
        if (c === ">") {
          parser.state = S.TEXT
          emitNode(parser, "ondoctype", parser.doctype)
          parser.doctype = true // just remember that we saw it.
        } else {
          parser.doctype += c
          if (c === "[") parser.state = S.DOCTYPE_DTD
          else if (is(quote, c)) {
            parser.state = S.DOCTYPE_QUOTED
            parser.q = c
          }
        }
      continue

      case S.DOCTYPE_QUOTED:
        parser.doctype += c
        if (c === parser.q) {
          parser.q = ""
          parser.state = S.DOCTYPE
        }
      continue

      case S.DOCTYPE_DTD:
        parser.doctype += c
        if (c === "]") parser.state = S.DOCTYPE
        else if (is(quote,c)) {
          parser.state = S.DOCTYPE_DTD_QUOTED
          parser.q = c
        }
      continue

      case S.DOCTYPE_DTD_QUOTED:
        parser.doctype += c
        if (c === parser.q) {
          parser.state = S.DOCTYPE_DTD
          parser.q = ""
        }
      continue

      case S.COMMENT:
        if (c === "-") parser.state = S.COMMENT_ENDING
        else parser.comment += c
      continue

      case S.COMMENT_ENDING:
        if (c === "-") {
          parser.state = S.COMMENT_ENDED
          parser.comment = textopts(parser.opt, parser.comment)
          if (parser.comment) emitNode(parser, "oncomment", parser.comment)
          parser.comment = ""
        } else {
          parser.comment += "-" + c
          parser.state = S.COMMENT
        }
      continue

      case S.COMMENT_ENDED:
        if (c !== ">") {
          strictFail(parser, "Malformed comment")
          // allow <!-- blah -- bloo --> in non-strict mode,
          // which is a comment of " blah -- bloo "
          parser.comment += "--" + c
          parser.state = S.COMMENT
        } else parser.state = S.TEXT
      continue

      case S.CDATA:
        if (c === "]") parser.state = S.CDATA_ENDING
        else parser.cdata += c
      continue

      case S.CDATA_ENDING:
        if (c === "]") parser.state = S.CDATA_ENDING_2
        else {
          parser.cdata += "]" + c
          parser.state = S.CDATA
        }
      continue

      case S.CDATA_ENDING_2:
        if (c === ">") {
          if (parser.cdata) emitNode(parser, "oncdata", parser.cdata)
          emitNode(parser, "onclosecdata")
          parser.cdata = ""
          parser.state = S.TEXT
        } else if (c === "]") {
          parser.cdata += "]"
        } else {
          parser.cdata += "]]" + c
          parser.state = S.CDATA
        }
      continue

      case S.PROC_INST:
        if (c === "?") parser.state = S.PROC_INST_ENDING
        else if (is(whitespace, c)) parser.state = S.PROC_INST_BODY
        else parser.procInstName += c
      continue

      case S.PROC_INST_BODY:
        if (!parser.procInstBody && is(whitespace, c)) continue
        else if (c === "?") parser.state = S.PROC_INST_ENDING
        else parser.procInstBody += c
      continue

      case S.PROC_INST_ENDING:
        if (c === ">") {
          emitNode(parser, "onprocessinginstruction", {
            name : parser.procInstName,
            body : parser.procInstBody
          })
          parser.procInstName = parser.procInstBody = ""
          parser.state = S.TEXT
        } else {
          parser.procInstBody += "?" + c
          parser.state = S.PROC_INST_BODY
        }
      continue

      case S.OPEN_TAG:
        if (is(nameBody, c)) parser.tagName += c
        else {
          newTag(parser)
          if (c === ">") openTag(parser)
          else if (c === "/") parser.state = S.OPEN_TAG_SLASH
          else {
            if (not(whitespace, c)) strictFail(
              parser, "Invalid character in tag name")
            parser.state = S.ATTRIB
          }
        }
      continue

      case S.OPEN_TAG_SLASH:
        if (c === ">") {
          openTag(parser, true)
          closeTag(parser)
        } else {
          strictFail(parser, "Forward-slash in opening tag not followed by >")
          parser.state = S.ATTRIB
        }
      continue

      case S.ATTRIB:
        // haven't read the attribute name yet.
        if (is(whitespace, c)) continue
        else if (c === ">") openTag(parser)
        else if (c === "/") parser.state = S.OPEN_TAG_SLASH
        else if (is(nameStart, c)) {
          parser.attribName = c
          parser.attribValue = ""
          parser.state = S.ATTRIB_NAME
        } else strictFail(parser, "Invalid attribute name")
      continue

      case S.ATTRIB_NAME:
        if (c === "=") parser.state = S.ATTRIB_VALUE
        else if (c === ">") {
          strictFail(parser, "Attribute without value")
          parser.attribValue = parser.attribName
          attrib(parser)
          openTag(parser)
        }
        else if (is(whitespace, c)) parser.state = S.ATTRIB_NAME_SAW_WHITE
        else if (is(nameBody, c)) parser.attribName += c
        else strictFail(parser, "Invalid attribute name")
      continue

      case S.ATTRIB_NAME_SAW_WHITE:
        if (c === "=") parser.state = S.ATTRIB_VALUE
        else if (is(whitespace, c)) continue
        else {
          strictFail(parser, "Attribute without value")
          parser.tag.attributes[parser.attribName] = ""
          parser.attribValue = ""
          emitNode(parser, "onattribute",
                   { name : parser.attribName, value : "" })
          parser.attribName = ""
          if (c === ">") openTag(parser)
          else if (is(nameStart, c)) {
            parser.attribName = c
            parser.state = S.ATTRIB_NAME
          } else {
            strictFail(parser, "Invalid attribute name")
            parser.state = S.ATTRIB
          }
        }
      continue

      case S.ATTRIB_VALUE:
        if (is(whitespace, c)) continue
        else if (is(quote, c)) {
          parser.q = c
          parser.state = S.ATTRIB_VALUE_QUOTED
        } else {
          strictFail(parser, "Unquoted attribute value")
          parser.state = S.ATTRIB_VALUE_UNQUOTED
          parser.attribValue = c
        }
      continue

      case S.ATTRIB_VALUE_QUOTED:
        if (c !== parser.q) {
          if (c === "&") parser.state = S.ATTRIB_VALUE_ENTITY_Q
          else parser.attribValue += c
          continue
        }
        attrib(parser)
        parser.q = ""
        parser.state = S.ATTRIB
      continue

      case S.ATTRIB_VALUE_UNQUOTED:
        if (not(attribEnd,c)) {
          if (c === "&") parser.state = S.ATTRIB_VALUE_ENTITY_U
          else parser.attribValue += c
          continue
        }
        attrib(parser)
        if (c === ">") openTag(parser)
        else parser.state = S.ATTRIB
      continue

      case S.CLOSE_TAG:
        if (!parser.tagName) {
          if (is(whitespace, c)) continue
          else if (not(nameStart, c)) {
            if (parser.script) {
              parser.script += "</" + c
              parser.state = S.SCRIPT
            } else {
              strictFail(parser, "Invalid tagname in closing tag.")
            }
          } else parser.tagName = c
        }
        else if (c === ">") closeTag(parser)
        else if (is(nameBody, c)) parser.tagName += c
        else if (parser.script) {
          parser.script += "</" + parser.tagName
          parser.tagName = ""
          parser.state = S.SCRIPT
        } else {
          if (not(whitespace, c)) strictFail(parser,
            "Invalid tagname in closing tag")
          parser.state = S.CLOSE_TAG_SAW_WHITE
        }
      continue

      case S.CLOSE_TAG_SAW_WHITE:
        if (is(whitespace, c)) continue
        if (c === ">") closeTag(parser)
        else strictFail(parser, "Invalid characters in closing tag")
      continue

      case S.TEXT_ENTITY:
      case S.ATTRIB_VALUE_ENTITY_Q:
      case S.ATTRIB_VALUE_ENTITY_U:
        switch(parser.state) {
          case S.TEXT_ENTITY:
            var returnState = S.TEXT, buffer = "textNode"
          break

          case S.ATTRIB_VALUE_ENTITY_Q:
            var returnState = S.ATTRIB_VALUE_QUOTED, buffer = "attribValue"
          break

          case S.ATTRIB_VALUE_ENTITY_U:
            var returnState = S.ATTRIB_VALUE_UNQUOTED, buffer = "attribValue"
          break
        }
        if (c === ";") {
          parser[buffer] += parseEntity(parser)
          parser.entity = ""
          parser.state = returnState
        }
        else if (is(entity, c)) parser.entity += c
        else {
          strictFail(parser, "Invalid character entity")
          parser[buffer] += "&" + parser.entity + c
          parser.entity = ""
          parser.state = returnState
        }
      continue

      default:
        throw new Error(parser, "Unknown state: " + parser.state)
    }
  } // while
  // cdata blocks can get very big under normal conditions. emit and move on.
  // if (parser.state === S.CDATA && parser.cdata) {
  //   emitNode(parser, "oncdata", parser.cdata)
  //   parser.cdata = ""
  // }
  if (parser.position >= parser.bufferCheckPosition) checkBufferLength(parser)
  return parser
}

})(typeof exports === "undefined" ? sax = {} : exports)

},{"__browserify_Buffer":20,"stream":11,"string_decoder":12}],39:[function(require,module,exports){
var resources = require('./lib/resources');

module.exports = {
  vec2d: require('vec2d'),
  button: require('./lib/button'),
  resources: resources,

  Engine: require('./lib/engine'),
  Sound: require('./lib/sound'),
  Sprite: require('./lib/sprite'),
  Label: require('./lib/label'),
  Batch: require('./lib/batch'),
  Animation: require('./lib/animation'),
};

},{"./lib/animation":40,"./lib/batch":41,"./lib/button":42,"./lib/engine":43,"./lib/label":44,"./lib/resources":45,"./lib/sound":46,"./lib/sprite":47,"vec2d":49}],40:[function(require,module,exports){
var vec2d = require('vec2d');

module.exports = Animation;

function Animation() {
  this.delay = 0.1;
  this.loop = true;
  this.spritesheet = null;
  this.duration = 0;
  this.anchor = vec2d(0, 0);
  this.frames = [];
}

Animation.fromImage = function(image, o) {
  o = o || {};
  var anim = new Animation();
  anim.spritesheet = image;
  anim.anchor = vec2d(o.anchor);
  anim.loop = false;
  anim.addFrame(vec2d(0, 0), vec2d(image.width, image.height));
  return anim;
};

Animation.fromJson = function(o) {
  var anim = new Animation();
  anim.delay = o.delay;
  anim.spritesheet = o.spritesheet;
  anim.anchor = vec2d(o.anchor);
  anim.loop = !!o.loop;
  anim.frames = [];

  var frames = o.frames || [];
  for (var i = 0; i < frames.length; ++i) {
    var frame = frames[i];
    anim.addFrame(vec2d(frame.pos), vec2d(frame.size));
  }
  return anim;
};

Animation.prototype.addFrame = function(pos, size) {
  this.frames.push(new Frame(pos, size));
  this.calcDuration();
};

Animation.prototype.removeFrame = function(index) {
  this.frames.splice(index, 1);
  this.calcDuration();
};

Animation.prototype.clearFrames = function() {
  this.frames = [];
  this.calcDuration();
};

Animation.prototype.calcDuration = function() {
  this.duration = this.delay * this.frames.length;
}

Animation.prototype.setDelay = function(delay) {
  this.delay = delay;
  this.calcDuration();
};

// extract an image from the spritesheet
Animation.prototype.getImage = function(frameIndex) {
  if (frameIndex == null) frameIndex = 0;
  var buffer = document.createElement('canvas');
  var frame = this.frames[frameIndex];
  buffer.width = frame.size.x;
  buffer.height = frame.size.y;
  var context = buffer.getContext('2d');
  context.drawImage(this.spritesheet,
      frame.pos.x, frame.pos.y,
      frame.size.x, frame.size.y,
      0, 0,
      frame.size.x, frame.size.y);
  return buffer;
};

function Frame(pos, size) {
  this.pos = pos;
  this.size = size;
}

},{"vec2d":49}],41:[function(require,module,exports){
module.exports = Batch;

function Batch() {
  // indexed by zOrder
  this.layers = [];
}

Batch.prototype.add = function(item) {
  if (item.batch) item.batch.remove(item);
  item.batch = this;
  if (item.visible) {
    var layer = this.layers[item.zOrder];
    if (! layer) layer = this.layers[item.zOrder] = [];
    layer.push(item);
  }
};

Batch.prototype.remove = function(item) {
  var layer = this.layers[item.zOrder];
  if (!layer) return;
  var index = layer.indexOf(item);
  if (index >= 0) layer.splice(index, 1);
};

Batch.prototype.draw = function(context) {
  for (var i = 0; i < this.layers.length; ++i) {
    var layer = this.layers[i];
    if (!layer) continue;
    for (var spriteIndex = 0; spriteIndex < layer.length; spriteIndex += 1) {
      layer[spriteIndex].draw(context);
    }
  }
};

Batch.prototype.clear = function(context) {
  for (var i = 0; i < this.layers.length; ++i) {
    var layer = this.layers[i];
    if (!layer) continue;
    for (var spriteIndex = 0; spriteIndex < layer.length; spriteIndex += 1) {
      var sprite = layer[spriteIndex];
      sprite.batch = null;
      sprite['delete']();
    }
  }
  this.layers = [];
};

},{}],42:[function(require,module,exports){
var KEY_OFFSET = 0;
var MOUSE_OFFSET = 256;
exports.KEY_OFFSET = KEY_OFFSET;
exports.MOUSE_OFFSET = MOUSE_OFFSET;
var Key = {
  Backspace: 8,
  Tab: 9,
  Enter: 13,
  Shift: 16,
  Ctrl: 17,
  Alt: 18,
  Pause: 19,
  Break: 19,
  CapsLock: 20,
  Escape: 27,
  Space: 32,
  PageUp: 33,
  PageDown: 34,
  End: 35,
  Home: 36,
  Left: 37,
  Up: 38,
  Right: 39,
  Down: 40,
  Insert: 45,
  Delete: 46,
  0: 48,
  1: 49,
  2: 50,
  3: 51,
  4: 52,
  5: 53,
  6: 54,
  7: 55,
  8: 56,
  9: 57,
  A: 65,
  B: 66,
  C: 67,
  D: 68,
  E: 69,
  F: 70,
  G: 71,
  H: 72,
  I: 73,
  J: 74,
  K: 75,
  L: 76,
  M: 77,
  N: 78,
  O: 79,
  P: 80,
  Q: 81,
  R: 82,
  S: 83,
  T: 84,
  U: 85,
  V: 86,
  W: 87,
  X: 88,
  Y: 89,
  Z: 90,
  MetaLeft: 91,
  MetaRight: 92,
  Select: 93,
  Numpad0: 96,
  Numpad1: 97,
  Numpad2: 98,
  Numpad3: 99,
  Numpad4: 100,
  Numpad5: 101,
  Numpad6: 102,
  Numpad7: 103,
  Numpad8: 104,
  Numpad9: 105,
  Multiply: 106,
  Add: 107,
  Subtract: 109,
  Decimal: 110,
  Divide: 111,
  F1: 112,
  F2: 113,
  F3: 114,
  F4: 115,
  F5: 116,
  F6: 117,
  F7: 118,
  F8: 119,
  F9: 120,
  F10: 121,
  F11: 122,
  F12: 123,
  NumLock: 144,
  ScrollLock: 145,
  Semicolon: 186,
  EqualSign: 187,
  Comma: 188,
  Dash: 189,
  Period: 190,
  SlashForward: 191,
  Grave: 192,
  BracketOpen: 219,
  SlashBack: 220,
  BracketClose: 221,
  Quote: 222
};
var Mouse = {
  Left: 1,
  Middle: 2,
  Right: 3
};
// map both Key and Mouse into Button
var btnName, val;
for (btnName in Key) {
  val = Key[btnName];
  exports["Key" + btnName] = KEY_OFFSET + val;
}
for (btnName in Mouse) {
  val = Mouse[btnName];
  exports["Mouse" + btnName] = MOUSE_OFFSET + val;
}

},{}],43:[function(require,module,exports){
var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};var Vec2d = require('vec2d').Vec2d;
var resources = require('./resources');
var util = require('util');
var EventEmitter = require('events').EventEmitter;
var button = require('./button');
var Label = require('./label');
var MOUSE_OFFSET = button.MOUSE_OFFSET;
var KEY_OFFSET = button.KEY_OFFSET;
var EPSILON = 0.00000001;
var MAX_DISPLAY_FPS = 90000;

module.exports = Engine;

var targetFps = 60;
var targetSpf = 1 / targetFps;
var fpsSmoothness = 0.9;
var fpsOneFrameWeight = 1.0 - fpsSmoothness;
var requestAnimationFrame = global.requestAnimationFrame ||
  global.webkitRequestAnimationFrame ||
  global.mozRequestAnimationFrame ||
  global.oRequestAnimationFrame ||
  global.msRequestAnimationFrame ||
  fallbackRequestAnimationFrame;
var cancelAnimationFrame = global.cancelAnimationFrame ||
  global.webkitCancelAnimationFrame ||
  global.mozCancelAnimationFrame ||
  global.oCancelAnimationFrame ||
  global.msCancelAnimationFrame ||
  clearTimeout;

util.inherits(Engine, EventEmitter);
function Engine(canvas) {
  EventEmitter.call(this);
  this.canvas = canvas;
  this.listeners = [];
  // add tabindex property to canvas so that it can receive keyboard input
  this.canvas.tabIndex = 0;
  this.context = this.canvas.getContext("2d");
  this.size = new Vec2d(this.canvas.width, this.canvas.height);
  this.fps = targetFps;
  this.setMinFps(20);
  this.buttonCaptureExceptions = {};
}

Engine.prototype.setSize = function(size) {
  this.size = size;
  this.canvas.width = this.size.x;
  this.canvas.height = this.size.y;
};

Engine.prototype.setMinFps = function(it){
  this.maxSpf = 1 / it;
};

Engine.prototype.start = function(){
  attachListeners(this);
  startMainLoop(this);
};

Engine.prototype.stop = function(){
  stopMainLoop(this);
  removeListeners(this);
};

Engine.prototype.buttonState = function(button){
  return !!this.buttonStates[button];
};

Engine.prototype.buttonJustPressed = function(button){
  return !!this.btnJustPressed[button];
};

Engine.prototype.buttonJustReleased = function(button){
  return !!this.btnJustReleased[button];
};

Engine.prototype.showLoadProgressBar = function() {
  showLoadProgressBar(this);
};

Engine.prototype.createFpsLabel = function() {
  var label = new Label(this.fps, {
    font: "14px sans-serif",
    fillStyle: "#ffffff",
    textAlign: 'left',
    pos: new Vec2d(0, this.size.y),
  });
  this.on('update', function() {
    label.text = Math.round(this.fps);
  });
  return label;
};

function startMainLoop(self) {
  var previousUpdate = (new Date()).getTime();
  self.animationFrameId = requestAnimationFrame(mainLoop, self.canvas);

  function mainLoop(timestamp) {
    var delta = (timestamp - previousUpdate) / 1000;
    previousUpdate = timestamp;
    // make sure dt is never zero
    // if FPS is too low, lag instead of causing physics glitches
    var dt = delta;
    if (dt < EPSILON) dt = EPSILON;
    if (dt > self.maxSpf) dt = self.maxSpf;
    var multiplier = dt / targetSpf;
    self.emit('update', dt, multiplier);
    self.btnJustPressed = {};
    self.btnJustReleased = {};
    self.emit('draw', self.context);
    var fps = 1 / delta;
    fps = fps < MAX_DISPLAY_FPS ? fps : MAX_DISPLAY_FPS;
    self.fps = self.fps * fpsSmoothness + fps * fpsOneFrameWeight;
    self.animationFrameId = requestAnimationFrame(mainLoop, self.canvas);
  }
}

function attachListeners(self) {
  self.buttonStates = {};
  self.btnJustPressed = {};
  self.btnJustReleased = {};
  // disable right click context menu
  addListener(self.canvas, 'contextmenu', function(event){
    if (self.buttonCaptureExceptions[button.MouseRight]) return true;
    event.preventDefault();
  });
  // mouse input
  self.mousePos = new Vec2d(0, 0);
  addListener(self.canvas, 'mousemove', onMouseMove);
  addListener(self.canvas, 'mousedown', function(event){
    var buttonId = MOUSE_OFFSET + event.which;
    self.buttonStates[buttonId] = true;
    self.btnJustPressed[buttonId] = true;
    self.emit('buttondown', buttonId);
    self.canvas.focus();

    window.addEventListener('mouseup', onMouseUp, false);
    window.addEventListener('mousemove', onMouseMove, false);

    return bubbleEvent(self, event);

  });
  function onMouseUp(event) {
    var buttonId = MOUSE_OFFSET + event.which;
    self.buttonStates[buttonId] = false;
    self.btnJustReleased[buttonId] = true;
    self.emit('buttonup', buttonId);

    window.removeEventListener('mouseup', onMouseUp, false);
    window.removeEventListener('mousemove', onMouseMove, false);
    return bubbleEvent(self, event);
  }
  function onMouseMove(event) {
    self.mousePos = new Vec2d(
      event.pageX - self.canvas.offsetLeft,
      event.pageY - self.canvas.offsetTop);
    self.emit('mousemove', self.mousePos, MOUSE_OFFSET + event.which);
  }
  // keyboard input
  addListener(self.canvas, 'keydown', function(event){
    var buttonId = KEY_OFFSET + event.which;
    self.btnJustPressed[buttonId] = !self.buttonStates[buttonId];
    self.buttonStates[buttonId] = true;
    self.emit('buttondown', buttonId);
    return bubbleEvent(self, event);
  });
  addListener(window, 'keyup', function(event){
    var buttonId = KEY_OFFSET + event.which;
    self.btnJustReleased[buttonId] = self.buttonStates[buttonId];
    self.buttonStates[buttonId] = false;
    self.emit('buttonup', buttonId);
    return bubbleEvent(self, event);
  });
  function addListener(element, eventName, listener){
    self.listeners.push([element, eventName, listener]);
    element.addEventListener(eventName, listener, false);
  }
}

function bubbleEvent(self, event) {
  // we need to figure out whether to bubble this key event up.
  // if the button is an exception, bubble it up.
  // also if any other exceptions are pressed, bubble it up.
  // this allows ctrl+(anything) to work.
  var buttonId = KEY_OFFSET + event.which;
  if (self.buttonCaptureExceptions[buttonId] ||
    (event.ctrlKey && self.buttonCaptureExceptions[button.KeyCtrl]) ||
    (event.altKey && self.buttonCaptureExceptions[button.KeyAlt]) ||
    (event.shiftKey && self.buttonCaptureExceptions[button.KeyShift]))
  {
    return true;
  } else {
    event.preventDefault();
    return false;
  }
}

function removeListeners(self) {
  self.listeners.forEach(function(listener) {
    var element = listener[0];
    var eventName = listener[1];
    var fn = listener[2];
    element.removeEventListener(eventName, fn, false);
  });
  self.listeners = [];
}

function stopMainLoop(self) {
  cancelAnimationFrame(self.animationFrameId);
}

function fallbackRequestAnimationFrame(cb) {
  return setTimeout(function() {
    var timestamp = (new Date()).getTime();
    cb(timestamp);
  }, targetSpf * 1000);
}

function showLoadProgressBar(self) {
  resources.on('progress', onProgress);
  resources.on('ready', onReady);
  self.on('draw', onDraw);
  var percent = 0;

  function onProgress(complete, total) {
    percent = total === 0 ? 1 : complete / total;
  }
  function onReady() {
    resources.removeListener('progress', onProgress);
    resources.removeListener('ready', onReady);
    self.removeListener('draw', onDraw);
  }
  function onDraw(context) {
    context.save();
    context.setTransform(1, 0, 0, 1, 0, 0); // identity

    // clear to black
    context.fillStyle = "#000000";
    context.fillRect(0, 0, self.size.x, self.size.y);
    // draw a progress bar
    var barRadius = Math.floor(self.size.y / 20);
    var centerY = Math.floor(self.size.y / 2);
    var margin = 5;
    // outline
    context.strokeStyle = "#ffffff";
    context.lineWidth = 2;
    context.strokeRect(margin, centerY - barRadius,
        self.size.x - margin * 2, barRadius * 2);
    // inside
    context.fillStyle = "#ffffff";
    var width = percent * (self.size.x - margin * 4);
    context.fillRect(margin * 2, centerY - barRadius + margin,
        width, barRadius * 2 - margin * 2);
    // text
    context.font = "18px sans-serif";
    context.fillStyle = "#000000";
    context.textAlign = "center";
    context.textBaseline = "middle";
    context.fillText("Loading... " + Math.floor(percent * 100) + "%",
        margin * 2 + Math.floor(width / 2), centerY);

    context.restore();
  }
}

},{"./button":42,"./label":44,"./resources":45,"events":8,"util":14,"vec2d":49}],44:[function(require,module,exports){
var Vec2d = require('vec2d').Vec2d;

module.exports = Label;

function Label(text, params) {
  this.text        = text;

  params = params || {};
  this.pos         = params.pos == null ? new Vec2d(0, 0) : params.pos;
  this.scale       = params.scale == null ? new Vec2d(1, 1) : params.scale;
  this.zOrder      = params.zOrder == null ? 0 : params.zOrder;
  this.batch       = params.batch;
  this.rotation    = params.rotation == null ? 0 : params.rotation;
  this.alpha       = params.alpha == null ? 1 : params.alpha;

  this.font        = params.font == null ? "10px sans-serif" : params.font;
  this.textAlign   = params.textAlign == null ? "start" : params.textAlign;
  this.textBaseline= params.textBaseline == null ? "alphabetic" : params.textBaseline;

  this.fill        = params.fill == null ? true : params.fill;
  this.fillStyle   = params.fillStyle == null ? "#000000" : params.fillStyle;

  this.stroke      = !!params.stroke;
  this.lineWidth   = params.lineWidth == null ? 1 : params.lineWidth;
  this.strokeStyle = params.strokeStyle == null ? "#000000" : params.strokeStyle;

  this.setVisible(params.visible == null ? true : params.visible);
}

Label.prototype.draw = function(context) {
  context.save();
  context.font = this.font;
  context.textAlign = this.textAlign;
  context.textBaseline = this.textBaseline;
  context.translate(this.pos.x, this.pos.y);
  context.scale(this.scale.x, this.scale.y);
  context.rotate(this.rotation);
  context.globalAlpha = this.alpha;
  if (this.fill) {
    context.fillStyle = this.fillStyle;
    context.fillText(this.text, 0, 0);
  }
  if (this.stroke) {
    context.strokeStyle = this.strokeStyle;
    context.lineWidth = this.lineWidth;
    context.strokeText(this.text, 0, 0);
  }
  context.restore();
};

Label.prototype.setVisible = function(visible){
  this.visible = visible;
  if (this.batch == null) {
    return;
  }
  if (this.visible) {
    this.batch.add(this);
  } else {
    this.batch.remove(this);
  }
};

Label.prototype.setZOrder = function(zOrder){
  if (this.batch != null) {
    this.batch.remove(this);
    this.zOrder = zOrder;
    this.batch.add(this);
  } else {
    this.zOrder = zOrder;
  }
};

Label.prototype['delete'] = function() {
  if (this.batch) this.batch.remove(this);
  this.batch = null;
};

},{"vec2d":49}],45:[function(require,module,exports){
var vec2d = require('vec2d');
var Pend = require('pend');
var util = require('util');
var EventEmitter = require('events').EventEmitter;
var Animation = require('./animation');

// exports at bottom because we need to set up this class before
// creating an instance

util.inherits(ResourceLoader, EventEmitter);
function ResourceLoader() {
  EventEmitter.call(this);

  this.ready = false;
  this.text = {};
  this.images = {};
  this.animations = {};
  this.spritesheet = null;
  this.useSpritesheet = true;
  this.prefix = "";
}

ResourceLoader.prototype.bootstrap = function() {
  bootstrap(this);
};

ResourceLoader.prototype.url = function(relativeUrl) {
  if (this.prefix) {
    var lastChar = this.prefix[this.prefix.length - 1];
    if (lastChar === '/') {
      return this.prefix + relativeUrl;
    } else {
      return this.prefix + '/' + relativeUrl;
    }
  } else {
    return relativeUrl;
  }
};

ResourceLoader.prototype.fetchTextFile = function(path, cb) {
  var request = new XMLHttpRequest();
  request.onreadystatechange = onReadyStateChange;
  request.open("GET", this.url(path), true);
  try {
    request.send();
  } catch (err) {
    cb(err);
  }
  function onReadyStateChange() {
    if (request.readyState !== 4) return;
    if (Math.floor(request.status / 100) === 2) {
      cb(null, request.responseText);
      return;
    }
    cb(new Error(request.status + ": " + request.statusText));
  }
}

ResourceLoader.prototype.fetchImage = function (path, cb) {
  var img = new Image();
  img.src = this.url(path);
  img.onload = function(){
    cb(null, img);
  };
}

function bootstrap(self) {
  var pend = new Pend();
  var total = 0;
  var complete = 0;
  if (self.useSpritesheet) {
    addLoader(loadSpritesheet);
    addLoader(loadAnimationsJson);
  }
  var name;
  for (name in self.text) {
    addLoader(generateLoadText(name));
  }
  for (name in self.images) {
    addLoader(generateLoadImage(name));
  }

  // allow the event loop to process one time
  // so that the user can get their on('ready') hook in
  setTimeout(executeBatch, 0);

  function executeBatch() {
    pend.wait(function(err) {
      if (err) {
        self.emit('error', err);
        return;
      }
      for (var name in self.animations) {
        self.animations[name].spritesheet = self.spritesheet;
      }
      self.ready = true;
      self.emit('ready');
    });
  }

  function addLoader(load) {
    total += 1;
    pend.go(function(cb) {
      load(function(err) {
        complete += 1;
        self.emit('progress', complete, total);
        cb(err);
      });
    });
  }

  function loadAnimationsJson(cb) {
    self.fetchImage("spritesheet.png", function(err, img) {
      if (err) return cb(err);
      self.spritesheet = img;
      cb();
    });
  }

  function loadSpritesheet(cb) {
    self.fetchTextFile("animations.json", function(err, text) {
      if (err) return cb(err);

      var animationsJson = JSON.parse(text);
      for (var name in animationsJson) {
        self.animations[name] = Animation.fromJson(animationsJson[name]);
      }
      cb();
    });
  }

  function generateLoadText(name) {
    var path = self.text[name];
    return function(cb) {
      self.fetchTextFile(path, function(err, contents) {
        if (err) return cb(err);
        self.text[name] = contents;
        cb();
      });
    };
  }

  function generateLoadImage(name) {
    var path = self.images[name];
    return function(cb) {
      self.fetchImage(path, function(err, img) {
        if (err) return cb(err);
        self.images[name] = img;
        cb();
      });
    };
  }
}


module.exports = new ResourceLoader();

},{"./animation":40,"events":8,"pend":48,"util":14,"vec2d":49}],46:[function(require,module,exports){
var EventEmitter = require('events').EventEmitter;
var util = require('util');
var resources = require('./resources');

module.exports = Sound;

function Sound(src) {
  EventEmitter.call(this);

  this.currentSrc = src;
  this.resolvedSrc = resources.url(src);
  this.audioPool = [new Audio(this.resolvedSrc)];
  this.maxPoolSize = 10;
  this.volume = 1;
  this.preload = "auto";
  this.playbackRate = 1;
  this.buffered = 0;
  this.duration = null;

  applySettings(this);
  progressHooks(this);
}
util.inherits(Sound, EventEmitter);

Sound.prototype.play = function() {
  var oldest = null;
  var oldestCurrentTime = -1;
  // play a ready one
  for (var i = 0; i < this.audioPool.length; ++i) {
    var audio = this.audioPool[i];
    if (audioReadyToPlay(audio)) {
      audio.play();
      return audio;
    } else if (audio.currentTime > oldestCurrentTime) {
      oldestCurrentTime = audio.currentTime;
      oldest = audio;
    }
  }
  // add a new one to the pool and play that one
  if (this.audioPool.length < this.maxPoolSize) {
    var newAudio = new Audio(this.resolvedSrc);
    applySettingsToAudio(this, newAudio);
    newAudio.play();
    this.audioPool.push(newAudio);
    return newAudio;
  }
  // recycle the oldest one
  oldest.currentTime = 0;
  oldest.play();
  return oldest;
};

Sound.prototype.stop = function() {
  for (var i = 0; i < this.audioPool.length; ++i) {
    var audio = this.audioPool[i];
    audio.pause();
    audio.currentTime = 0;
  }
};

Sound.prototype.setVolume = function(vol) {
  this.volume = vol;
  applySettings(this);
};

Sound.prototype.setPreload = function(preload) {
  this.preload = preload;
  applySettings(this);
};

Sound.prototype.setPlaybackRate = function(rate) {
  this.playbackRate = rate;
  applySettings(this);
};

function applySettings(self) {
  for (var i = 0; i < self.audioPool.length; ++i) {
    applySettingsToAudio(self, self.audioPool[i]);
  }
}

function applySettingsToAudio(self, audio) {
  audio.volume = self.volume;
  audio.preload = self.preload;
  audio.playbackRate = self.playbackRate;
  audio.defaultPlaybackRate = self.playbackRate;
}

function progressHooks(self) {
  var audio = self.audioPool[0];
  audio.addEventListener("progress", onProgress, false);
  audio.load();

  var complete = false;
  function onProgress() {
    try {
      // sometimes I get Index Size Error: DOM Exception 1
      self.buffered = audio.buffered.end(audio.buffered.length - 1);
    } catch (err) {
      return;
    }
    self.duration = audio.duration;
    self.emit('progress');
    if (! complete && self.buffered >= self.duration) {
      complete = true;
      self.emit('ready');
    }
  }
}

function audioReadyToPlay(audio) {
  return audio.currentTime === 0 || audio.currentTime === audio.duration;
}

},{"./resources":45,"events":8,"util":14}],47:[function(require,module,exports){
var Vec2d = require('vec2d').Vec2d;
var util = require('util');
var EventEmitter = require('events').EventEmitter;
var resources = require('./resources');

module.exports = Sprite;

util.inherits(Sprite, EventEmitter);
function Sprite(animation, params) {
  EventEmitter.call(this);
  params = params || {};

  // defaults
  this.pos         = params.pos == null ? new Vec2d(0, 0) : params.pos;
  this.scale       = params.scale == null ? new Vec2d(1, 1) : params.scale;
  this.zOrder      = params.zOrder == null ? 0 : params.zOrder;
  this.batch       = params.batch;
  this.rotation    = params.rotation == null ? 0 : params.rotation;
  this.alpha       = params.alpha == null ? 1 : params.alpha;

  setUpListeners(this);
  this.setAnimation(animation);
  this.setLoop(params.loop);
  this.setVisible(params.visible == null ? true : params.visible);
  this.setFrameIndex(params.frameIndex == null ? 0 : params.frameIndex);
}

Sprite.prototype.draw = function(context) {
  var frame = this.animation.frames[this.getFrameIndex()];
  context.save();
  context.translate(this.pos.x, this.pos.y);
  context.scale(this.scale.x, this.scale.y);
  context.rotate(this.rotation);
  context.globalAlpha = this.alpha;
  context.drawImage(this.animation.spritesheet,
      frame.pos.x, frame.pos.y,
      frame.size.x, frame.size.y,
      -this.animation.anchor.x, -this.animation.anchor.y,
      frame.size.x, frame.size.y);
  context.restore();
};

Sprite.prototype.setAnimation = function(animation){
  this.animation = animation;
  this._loop = this.loop == null ? this.animation.loop : this.loop;
  // size of first frame, which does not take scale into account
  this.size = this.animation.frames[0].size;
};

// takes scale and current frame into account
Sprite.prototype.getSize = function(){
  return this.animation.frames[this.getFrameIndex()].size.times(this.scale.applied(Math.abs));
};

// convenience
Sprite.prototype.getAnchor = function(){
  return this.animation.anchor.times(this.scale.applied(Math.abs));
};

Sprite.prototype.getTopLeft = function(){
  return this.pos.minus(this.getAnchor());
};

Sprite.prototype.getBottomRight = function(){
  return this.getTopLeft().plus(this.getSize());
};

Sprite.prototype.getTop = function(){
  return this.getTopLeft().y;
};

Sprite.prototype.getLeft = function(){
  return this.getTopLeft().x;
};

Sprite.prototype.getBottom = function(){
  return this.getBottomRight().y;
};

Sprite.prototype.getRight = function(){
  return this.getBottomRight().x;
};

Sprite.prototype.setLeft = function(x){
  this.pos.x = x + this.animation.anchor.x;
};

Sprite.prototype.setRight = function(x){
  this.pos.x = x - this.animation.anchor.x;
};

Sprite.prototype.setTop = function(y){
  this.pos.y = y + this.animation.anchor.y;
};

Sprite.prototype.setBottom = function(y){
  this.pos.y = y - this.animation.anchor.y;
};

Sprite.prototype.isTouching = function(sprite){
  var a_tl = this.getTopLeft();
  var a_br = this.getBottomRight();
  var b_tl = sprite.getTopLeft();
  var b_br = sprite.getBottomRight();
  var notTouching = a_tl.x >= b_br.x || a_br.x <= b_tl.x || a_tl.y >= b_br.y || a_br.y <= b_tl.y;
  return !notTouching;
};

Sprite.prototype.hitTest = function(pt) {
  var tl = this.getTopLeft();
  var br = this.getBottomRight();
  return pt.x >= tl.x && pt.y >= tl.y && pt.x < br.x && pt.y < br.y;
};

Sprite.prototype.setVisible = function(visible){
  this.visible = visible;
  if (this.batch == null) {
    return;
  }
  if (this.visible) {
    this.batch.add(this);
  } else {
    this.batch.remove(this);
  }
};

Sprite.prototype.setZOrder = function(zOrder){
  if (this.batch != null) {
    this.batch.remove(this);
    this.zOrder = zOrder;
    this.batch.add(this);
  } else {
    this.zOrder = zOrder;
  }
};

Sprite.prototype.setFrameIndex = function(frameIndex){
  var secondsPassed = frameIndex * this.animation.delay;
  var date = new Date();
  date.setMilliseconds(date.getMilliseconds() - secondsPassed * 1000);
  this.setAnimationStartDate(date);
};

Sprite.prototype.setLoop = function(loop){
  this.loop = loop;
  // this is the actual value we'll use to check if we're going to loop.
  this._loop = this.loop == null ? this.animation.loop : this.loop;
  setUpInterval(this);
};

Sprite.prototype.setAnimationStartDate = function(animationStartDate){
  this.animationStartDate = animationStartDate;
  setUpInterval(this);
};

Sprite.prototype.getFrameIndex = function(){
  var now = new Date();
  var totalTime = (now - this.animationStartDate) / 1000;
  if (this._loop) {
    return Math.floor((totalTime % this.animation.duration) / this.animation.delay);
  } else {
    var timeElapsedFrame = Math.floor(totalTime / this.animation.delay);
    var lastFrame = this.animation.frames.length - 1;
    return Math.min(timeElapsedFrame, lastFrame);
  }
};

Sprite.prototype['delete'] = function(){
  if (this.interval) this.interval();
  this.removeAllListeners();
  if (this.batch) this.batch.remove(this);
  this.batch = null;
};

function setUpInterval(self) {
  if (self.interval) self.interval();
  self.interval = null;
  if (self.animationEndListenCount === 0) return;
  var _schedule = self._loop ? schedule : wait;
  var now = new Date();
  var timeSinceStart = (now - self.animationStartDate) / 1000;
  var duration = self.animation.duration - timeSinceStart;
  self.interval = _schedule(duration, function(){
    return self.emit('animationend');
  });
}

function wait(sec, cb) {
  var interval = setTimeout(cb, sec * 1000);
  return function(){
    clearTimeout(interval);
  };
}

function schedule(sec, cb) {
  var interval = setInterval(cb, sec * 1000);
  return function(){
    clearInterval(interval);
  };
}

function setUpListeners(self) {
  self.on('newListener', function(event) {
    if (event === 'animationend') {
      self.animationEndListenCount += 1;
      setUpInterval(self);
    }
  });
  self.on('removeListener', function(event) {
    if (event === 'animationend') {
      self.animationEndListenCount -= 1;
      setUpInterval(self);
    }
  });
}

},{"./resources":45,"events":8,"util":14,"vec2d":49}],48:[function(require,module,exports){
module.exports = Pend;

function Pend() {
  this.pending = 0;
  this.max = Infinity;
  this.listeners = [];
  this.waiting = [];
  this.error = null;
}

Pend.prototype.go = function(fn) {
  if (this.pending < this.max) {
    pendGo(this, fn);
  } else {
    this.waiting.push(fn);
  }
};

Pend.prototype.wait = function(cb) {
  if (this.pending === 0) {
    cb(this.error);
  } else {
    this.listeners.push(cb);
  }
};

function pendGo(self, fn) {
  self.pending += 1;
  var called = false;
  fn(onCb);
  function onCb(err) {
    if (called) throw new Error("callback called twice");
    called = true;
    self.error = self.error || err;
    self.pending -= 1;
    if (self.waiting.length > 0 && self.pending < self.max) {
      pendGo(self, self.waiting.shift());
    } else if (self.pending === 0) {
      self.listeners.forEach(cbListener);
      self.listeners = [];
    }
  }
  function cbListener(listener) {
    listener(self.error);
  }
}

},{}],49:[function(require,module,exports){
module.exports = v;
v.Vec2d = Vec2d;
v.unit = unitFromAngle;
Vec2d.unit = unitFromAngle;

var re = /\((-?[.\d]+), (-?[.\d]+)\)/;

function Vec2d(x, y) {
  this.x = x;
  this.y = y;
}

function unitFromAngle(angle) {
  return new Vec2d(Math.cos(angle), Math.sin(angle));
}

function v(xOrPair, y) {
  if (xOrPair == null) {
    return new Vec2d(0, 0, 0);
  } else if (Array.isArray(xOrPair)) {
    return new Vec2d(parseFloat(xOrPair[0], 10), parseFloat(xOrPair[1], 10));
  } else if (typeof xOrPair === 'object') {
    return new Vec2d(parseFloat(xOrPair.x, 10), parseFloat(xOrPair.y, 10));
  } else if (typeof xOrPair === 'string' && y == null) {
    var match = xOrPair.match(re);
    if (match) {
      return new Vec2d(parseFloat(match[1], 10), parseFloat(match[2], 10));
    } else {
      throw new Error("Vec2d: cannot parse: " + xOrPair);
    }
  } else {
    return new Vec2d(parseFloat(xOrPair, 10), parseFloat(y, 10));
  }
}

Vec2d.prototype.offset = function(dx, dy) {
  return new Vec2d(this.x + dx, this.y + dy);
};

Vec2d.prototype.add = function(other) {
  this.x += other.x;
  this.y += other.y;
  return this;
};

Vec2d.prototype.sub = function(other) {
  this.x -= other.x;
  this.y -= other.y;
  return this;
};

Vec2d.prototype.plus = function(other) {
  return this.clone().add(other);
};

Vec2d.prototype.minus = function(other) {
  return this.clone().sub(other);
};

Vec2d.prototype.neg = function() {
  this.x = -this.x;
  this.y = -this.y;
  return this;
};

Vec2d.prototype.mult = function(other) {
  this.x *= other.x;
  this.y *= other.y;
  return this;
};

Vec2d.prototype.times = function(other) {
  return this.clone().mult(other);
};

Vec2d.prototype.div = function(other) {
  this.x /= other.x;
  this.y /= other.y;
  return this;
};

Vec2d.prototype.divBy = function(other) {
  return this.clone().div(other);
};

Vec2d.prototype.scale = function(scalar) {
  this.x *= scalar;
  this.y *= scalar;
  return this;
};

Vec2d.prototype.scaled = function(scalar) {
  return this.clone().scale(scalar);
};

Vec2d.prototype.clone = function() {
  return new Vec2d(this.x, this.y);
};

Vec2d.prototype.apply = function(func) {
  this.x = func(this.x);
  this.y = func(this.y);
  return this;
};

Vec2d.prototype.applied = function(func) {
  return this.clone().apply(func);
};

Vec2d.prototype.distanceSqrd = function(other) {
  var dx = other.x - this.x;
  var dy = other.y - this.y;
  return dx * dx + dy * dy;
};

Vec2d.prototype.distance = function(other) {
  return Math.sqrt(this.distanceSqrd(other));
};

Vec2d.prototype.equals = function(other) {
  return this.x === other.x && this.y === other.y;
};

Vec2d.prototype.toString = function() {
  return "(" + this.x + ", " + this.y + ")";
};

Vec2d.prototype.lengthSqrd = function() {
  return this.x * this.x + this.y * this.y;
};

Vec2d.prototype.length = function() {
  return Math.sqrt(this.lengthSqrd());
};

Vec2d.prototype.angle = function() {
  if (this.lengthSqrd() === 0) {
    return 0;
  } else {
    return Math.atan2(this.y, this.x);
  }
};

Vec2d.prototype.normalize = function() {
  var length = this.length();
  if (length === 0) {
    return this;
  } else {
    return this.scale(1 / length);
  }
};

Vec2d.prototype.normalized = function() {
  return this.clone().normalize();
};

Vec2d.prototype.boundMin = function(other) {
  if (this.x < other.x) this.x = other.x;
  if (this.y < other.y) this.y = other.y;
  return this;
};

Vec2d.prototype.boundMax = function(other) {
  if (this.x > other.x) this.x = other.x;
  if (this.y > other.y) this.y = other.y;
  return this;
};

Vec2d.prototype.floor = function() {
  return this.apply(Math.floor);
};

Vec2d.prototype.floored = function() {
  return this.applied(Math.floor);
};

Vec2d.prototype.ceil = function() {
  return this.apply(Math.ceil);
};

Vec2d.prototype.ceiled = function() {
  return this.applied(Math.ceil);
};

Vec2d.prototype.project = function(other) {
  this.scale(this.dot(other) / other.lengthSqrd());
  return this;
};

Vec2d.prototype.dot = function(other) {
  return this.x * other.x + this.y * other.y;
};

Vec2d.prototype.rotate = function(direction) {
  var newX = this.x * direction.x - this.y * direction.y;
  this.y = this.x * direction.y + this.y * direction.x;
  this.x = newX;
  return this;
};

Vec2d.prototype.rotated = function(direction) {
  return this.clone().rotate(direction);
};

// reflect about axis originating from origin
Vec2d.prototype.reflect = function(axis) {
  return this.reflectAboutLine(new Vec2d(0, 0), axis);
};

Vec2d.prototype.reflectAboutLine = function(linePt1, linePt2) {
  var normal = new Vec2d(
      linePt2.x - linePt1.x,
      linePt2.y - linePt1.x);
  var temp = normal.x;
  normal.x = -normal.y;
  normal.y = temp;
  normal.normalize();
  var dot2 = 2 * this.dot(normal);
  this.x -= dot2 * normal.x;
  this.y -= dot2 * normal.y;
  return this;
};

},{}],50:[function(require,module,exports){
// This code is auto-generated based on your chemfile.
// `exports.autoBootstrap = false` to disable this file.
var chem = require('chem');
chem.resources.text = {
  "level.tmx": "text/level.tmx"
};
chem.resources.images = {
  "background.png": "img/background.png",
  "background_billboard.png": "img/background_billboard.png",
  "background_crowd_loop.png": "img/background_crowd_loop.png",
  "black_rectangle_middle_focus.png": "img/black_rectangle_middle_focus.png",
  "chainlink_fence_segment_long.png": "img/chainlink_fence_segment_long.png",
  "chainlink_fence_segment_short.png": "img/chainlink_fence_segment_short.png",
  "chainlink_fence_segment_short_broken.png": "img/chainlink_fence_segment_short_broken.png",
  "chainlink_fence_segment_short_sign.png": "img/chainlink_fence_segment_short_sign.png",
  "controls_explanation.png": "img/controls_explanation.png",
  "dev_team.png": "img/dev_team.png",
  "end_wall_red_ground.png": "img/end_wall_red_ground.png",
  "face_the_music_logo_intro.png": "img/face_the_music_logo_intro.png",
  "god_beam_1.png": "img/god_beam_1.png",
  "god_beam_2.png": "img/god_beam_2.png",
  "ground_dry_dirt.png": "img/ground_dry_dirt.png",
  "indie_speed_run_text.png": "img/indie_speed_run_text.png",
  "intro_background.png": "img/intro_background.png",
  "leftside_hud.png": "img/leftside_hud.png",
  "message_1.png": "img/message_1.png",
  "message_2.png": "img/message_2.png",
  "message_3.png": "img/message_3.png",
  "message_4.png": "img/message_4.png",
  "message_5.png": "img/message_5.png",
  "metal_barricade.png": "img/metal_barricade.png",
  "portapotty_1.png": "img/portapotty_1.png",
  "portapotty_2.png": "img/portapotty_2.png",
  "portapotty_3.png": "img/portapotty_3.png",
  "portapotty_horizontal.png": "img/portapotty_horizontal.png",
  "progress_bar_caution.png": "img/progress_bar_caution.png",
  "progress_bar_normal.png": "img/progress_bar_normal.png",
  "retry_button.png": "img/retry_button.png",
  "rock_god_testament.png": "img/rock_god_testament.png",
  "rock_god_text.png": "img/rock_god_text.png",
  "scaffold_horizontal.png": "img/scaffold_horizontal.png",
  "scaffold_vertical.png": "img/scaffold_vertical.png",
  "smoke_fog_1.png": "img/smoke_fog_1.png",
  "smoke_fog_2.png": "img/smoke_fog_2.png",
  "speaker_hanging.png": "img/speaker_hanging.png",
  "speaker_stack_1.png": "img/speaker_stack_1.png",
  "speaker_stack_2.png": "img/speaker_stack_2.png",
  "stage_drumset.png": "img/stage_drumset.png",
  "stage_frontman.png": "img/stage_frontman.png",
  "stage_lights_off.png": "img/stage_lights_off.png",
  "stage_lights_on.png": "img/stage_lights_on.png",
  "start_button.png": "img/start_button.png",
  "story_1.png": "img/story_1.png",
  "story_2.png": "img/story_2.png",
  "story_3.png": "img/story_3.png",
  "vehicle_bus.png": "img/vehicle_bus.png",
  "vehicle_police.png": "img/vehicle_police.png",
  "vehicle_truck_backclosed__off.png": "img/vehicle_truck_backclosed__off.png",
  "vehicle_truck_backopen__off.png": "img/vehicle_truck_backopen__off.png",
  "vehicle_truck_backopen__on.png": "img/vehicle_truck_backopen__on.png",
  "vehicle_truck_off_1.png": "img/vehicle_truck_off_1.png",
  "vehicle_truck_off_2.png": "img/vehicle_truck_off_2.png",
  "vehicle_truck_on_1.png": "img/vehicle_truck_on_1.png",
  "vehicle_truck_on_2.png": "img/vehicle_truck_on_2.png",
  "weapon_bass.png": "img/weapon_bass.png",
  "weapon_drums.png": "img/weapon_drums.png",
  "weapon_flying_v.png": "img/weapon_flying_v.png",
  "weapon_mic.png": "img/weapon_mic.png",
  "bgcrowd/background__tree_1.png": "img/bgcrowd/background__tree_1.png",
  "bgcrowd/background__tree_2.png": "img/bgcrowd/background__tree_2.png",
  "bgcrowd/background__tree_3.png": "img/bgcrowd/background__tree_3.png",
  "bgcrowd/background_jumbotron_avn.png": "img/bgcrowd/background_jumbotron_avn.png",
  "bgcrowd/background_jumbotron_chem.png": "img/bgcrowd/background_jumbotron_chem.png",
  "bgcrowd/background_jumbotron_indie.png": "img/bgcrowd/background_jumbotron_indie.png",
  "bgcrowd/background_marquee_tent.png": "img/bgcrowd/background_marquee_tent.png",
  "bgcrowd/background_smoke_1.png": "img/bgcrowd/background_smoke_1.png",
  "bgcrowd/background_smoke_2.png": "img/bgcrowd/background_smoke_2.png",
  "bgcrowd/background_smoke_3.png": "img/bgcrowd/background_smoke_3.png",
  "bgcrowd/background_spotlight_scaffold.png": "img/bgcrowd/background_spotlight_scaffold.png",
  "bgcrowd/backround_sound_booth.png": "img/bgcrowd/backround_sound_booth.png"
};
chem.resources.bootstrap();

},{"chem":39}],51:[function(require,module,exports){
var chem = require("chem");
var v = chem.vec2d;
var ani = chem.resources.animations;
var canvas = document.getElementById("game");
var engine = new chem.Engine(canvas);
var tmx = require('chem-tmx');

engine.buttonCaptureExceptions[chem.button.KeyF5] = true;

engine.showLoadProgressBar();
engine.start();
canvas.focus();

var GRAVITY = 0.2;
var MAX_CROWD_X_DIST = engine.size.x / 2 + 800;
var crowdBehaviors = ['idle', 'hug'];

function startGame(map) {
  var levelBatch = new chem.Batch();
  var staticBatch = new chem.Batch();
  var foregroundBatch = new chem.Batch();
  var playerEntity = createPlayerEntity();

  var timeSinceGameOver = 0;
  var rockAniList = [
    ani.rockerHeadBanging,
    ani.rockerWaving,
    ani.rockerMoshing,
  ];
  var eargasmTextAniList = [
    ani.eargasmText1,
    ani.eargasmText2,
    ani.eargasmText3,
    ani.eargasmText4,
  ];
  var crosshairSprite = new chem.Sprite(ani['cursor/mike'], {
    batch: staticBatch,
  });
  var platforms = [];
  var fpsLabel = engine.createFpsLabel();
  var fansPleasedLabel = new chem.Label("FANS PLEASED:", {
    pos: v(82, 42),
    font: "12px Arial",
    textAlign: "center",
    textBaseline: "bottom",
    fillStyle: "#ffffff",
  });
  var eargasmQuota = 175;
  var eargasmCount = 0;
  var quotaLabel = new chem.Label("/" + eargasmQuota, {
    pos: v(82, 70),
    font: "18px Arial",
    textAlign: "center",
    textBaseline: "top",
    fillStyle: "#ffffff",
  });
  var crowdLivesLabel = new chem.Label("crowd lives: 100", {
    pos: v(82, 58),
    font: "30px Arial",
    textAlign: "center",
    textBaseline: "middle",
    fillStyle: "#ffffff",
  });

  var friction = 1.15;
  var scroll = v(0, 0);
  var winning = false;

  //Enemies
  var spikeBalls = [];
  var weedClouds = [];
  var decorations = [];
  var powerUps = [];

  var projectiles = [];

  var mapWidth = null;
  var maxScrollX = null;


  var bgCrowdImgList = getBgCrowdImgList();
  var bgCrowdInstances = null;
  var bgCrowdScrollRatio = 0.8;

  var sfxBass = new chem.Sound('sfx/bass.ogg');
  var sfxGuitar = new chem.Sound('sfx/guitar.ogg');
  var sfxJump = new chem.Sound('sfx/jump.ogg');
  var sfxDrumList = [
    new chem.Sound('sfx/drum1.ogg'),
    new chem.Sound('sfx/drum2.ogg'),
    new chem.Sound('sfx/drum3.ogg'),
    new chem.Sound('sfx/drum4.ogg'),
    new chem.Sound('sfx/drum5.ogg'),
    new chem.Sound('sfx/drum6.ogg'),
    new chem.Sound('sfx/drum7.ogg'),
    new chem.Sound('sfx/drum8.ogg'),
  ];
  var mainMusicVol = 0.75;
  var mainMusic = new Audio(chem.resources.url('music/main_music.ogg'));
  mainMusic.loop = true;
  mainMusic.volume = 0;
  mainMusic.play();
  mainMusic.pause();

  var crowdIdleAudio = new Audio(chem.resources.url('music/crowd_idle.ogg'));
  crowdIdleAudio.loop = true;
  crowdIdleAudio.play();

  var crowdExcitedAudio = new Audio(chem.resources.url('music/crowd_excited.ogg'));
  crowdExcitedAudio.volume = 0;
  crowdExcitedAudio.play();
  crowdExcitedAudio.pause();

  var victoryAudio = new Audio(chem.resources.url('music/victory.ogg'));
  victoryAudio.play();
  victoryAudio.pause();

  var muted = false;

  var bgImg = chem.resources.images['background.png'];
  var bgCrowd = chem.resources.images['background_crowd_loop.png'];
  var groundImg = chem.resources.images['ground_dry_dirt.png'];
  var focusImg = chem.resources.images['black_rectangle_middle_focus.png'];
  var godBeam1Img = chem.resources.images['god_beam_1.png'];
  var godBeam2Img = chem.resources.images['god_beam_2.png'];
  var godText1 = chem.resources.images['rock_god_testament.png'];
  var godText2 = chem.resources.images['rock_god_text.png'];
  var leftSideHudImg = chem.resources.images['leftside_hud.png'];
  var barNormalImg = chem.resources.images['progress_bar_normal.png'];
  var barCautionImg = chem.resources.images['progress_bar_caution.png'];
  var titleScreenImg = chem.resources.images['intro_background.png'];
  var titleLogoImg = chem.resources.images['face_the_music_logo_intro.png'];
  var startGameBtnImg = chem.resources.images['start_button.png'];
  var indieTextImg = chem.resources.images['indie_speed_run_text.png'];
  var introSequence = [
    chem.resources.images['dev_team.png'],
    chem.resources.images['story_1.png'],
    chem.resources.images['story_2.png'],
    chem.resources.images['story_3.png'],
    chem.resources.images['controls_explanation.png'],
  ];
  var groundY = engine.size.y - groundImg.height;

  var titleScreen = true;
  var titleSequenceIndex = -1;

  var loseMsgImgList = [
    chem.resources.images['message_1.png'],
    chem.resources.images['message_2.png'],
    chem.resources.images['message_3.png'],
    chem.resources.images['message_4.png'],
    chem.resources.images['message_5.png'],
  ];
  var retryBtnImg = chem.resources.images['retry_button.png'];
  var chosenLoseMsg = null;

  var winSparkle = new chem.Sprite(ani.ascension_sparkle);
  var beamSmoke1 = new chem.Sprite(ani.beamSmoke1, {
    visible: false,
  });
  var beamSmoke2 = new chem.Sprite(ani.beamSmoke2, {
    visible: false,
  });
  var zeus = new chem.Sprite(ani.zeus);
  var startAscendPos = null;

  var crowd = initCrowd();

  var crowdDamage = 0;
  var crowdRect = {pos: crowd.pos, size: v(50,900)};
  var crowdSpeed = 1.4;
  var crowdRotationSpeed = Math.PI / 400;
  var crowdDeathRadius = 280*1.4;
  var crowdPeople = [];
  var maxCrowdPeople = 5;
  var crowdPeopleCooldown = 5;
  var crowdPeopleCooldownAmt = 5;

  var weaponIndex = 0;
  var weapons = initializeWeapons();

  var fxList = [];

  var titleFadeout;

  var beam = null;
  var beamLife = 0;
  var beamDamage = 0.2;//0.05;
  var tripleShot = false;

  var timeSinceStarted = null;
  var clickedStart = false;

  updateCursor();

  engine.on('update', onUpdate);
  engine.on('draw', onDraw);
  engine.on('mousemove', onMouseMove);

  loadMap();

  function updateCursor() {
    var currentWeapon = weapons[weaponIndex];
    crosshairSprite.setAnimation(ani[currentWeapon.cursor]);
  }

  function playerRect() {
    return {
      pos: playerEntity.pos,
      size: playerEntity.size,
    };
  }

  function playerHeadRect() {
    return{
      pos: playerEntity.pos,
      size: v(15,15),
    }
  }

  function cleanupAndRestart() {
    eargasmCount = 0;
    canvas.style.cursor = "none";

    crowdPeople.forEach(deleteItsSprite);
    fxList.forEach(deleteItsSprite);
    projectiles.forEach(deleteItsSprite);
    platforms.forEach(deleteItsSprite);
    spikeBalls.forEach(deleteItsSprite);
    spikeBalls.forEach(function(spikeBall) {
      if(spikeBall.eyeColor) spikeBall.eyeColor.delete();
    });
    weedClouds.forEach(deleteItsSprite);
    decorations.forEach(deleteItsSprite);
    powerUps.forEach(deleteItsSprite);

    tripleShot = false;

    crowdPeople = [];
    fxList = [];
    projectiles = [];
    platforms = [];
    spikeBalls = [];
    weedClouds = [];
    decorations = [];
    weapons = [];

    if (beam) {
      beam.delete();
      beam = null;
    }

    deleteItsSprite(playerEntity);
    playerEntity = createPlayerEntity();
    winning = false;

    weaponIndex = 0;
    weapons = initializeWeapons();

    crowd.delete();
    crowd = initCrowd();

    updateCursor();

    loadMap();

    function deleteItsSprite(thing) {
      if (!thing.sprite) return;
      thing.sprite.delete();
    }
  }

  function getAllPowerUps() {
    while (powerUps.length) {
      getPowerUp(0);
    }
  }

  function getPowerUp(i) {
    if(powerUps[i].type === "bass"){
      weapons.push({
        name: "bass",
        animation: ani.attack_bass,
        reload: 0,
        reloadAmt: 0.75,
        projectileSpeed: 6,
        projectileLife: 0.9,
        projectileDamage: 2,
        cursor: 'cursor/bass',
      });
    }
    else if(powerUps[i].type === "guitar"){
      weapons.push({
        name: "guitar",
        reload: 0,
        reloadAmt: 1.81,
        cursor: 'cursor/flyingv',
      });
    }
    else if(powerUps[i].type === "drums"){
      weapons.push({
        name: "drums",
        animation: ani.attack_drum,
        reload: 0,
        reloadAmt: 0.4,
        projectileSpeed: 9,
        projectileLife: 1,
        projectileDamage: 1,
        cursor: 'cursor/drum',
      });
    }
    else if(powerUps[i].type === "microphone"){
      tripleShot = true;
    }
    powerUps[i].sprite.delete();
    powerUps.splice(i, 1);
  }

  function startFromTitle() {
    crowdIdleAudio.pause();
    crowdExcitedAudio.currentTime = 0;
    crowdExcitedAudio.volume = 1;
    crowdExcitedAudio.play();
    clickedStart = true;
    timeSinceStarted = 0;
  }

  function titleScreenUpdate(dt, dx) {
    if (clickedStart) {
      timeSinceStarted += dt;
      if (engine.buttonJustPressed(chem.button.MouseLeft)) {
        doneWithTitleScreen();
        titleFadeout = 0;
      }
    } else {
      if (engine.buttonJustPressed(chem.button.MouseLeft)) {
        if (titleSequenceIndex + 1 >= introSequence.length) {
          startFromTitle();
        } else {
          titleSequenceIndex += 1;
        }
      }
    }
  }

  function doneWithTitleScreen() {
    titleFadeout = 1.0;
    titleScreen = false;
    mainMusic.currentTime = 0;
    mainMusic.volume = mainMusicVol;
    mainMusic.play();
    canvas.style.cursor = "none";
  }

  function titleScreenDraw(context) {
    var titleImgY = 0;
    if (clickedStart) {
      var percent = Math.min(1, timeSinceStarted / 5.0);
      titleImgY = -percent * (titleScreenImg.height - engine.size.y);
      if (percent === 1) {
        doneWithTitleScreen();
      }
    }
    context.drawImage(titleScreenImg, 0, Math.floor(titleImgY));
    if (titleSequenceIndex >= 0) {
      var img = introSequence[titleSequenceIndex];
      context.drawImage(img, Math.floor(engine.size.x / 2 - img.width / 2), Math.floor(engine.size.y / 2 - img.height / 2 + titleImgY));
    } else {
      context.drawImage(titleLogoImg, Math.floor(engine.size.x / 2 - titleLogoImg.width / 2), Math.floor(engine.size.y / 2 - 200));
      context.drawImage(indieTextImg, Math.floor(engine.size.x / 2 - indieTextImg.width / 2), Math.floor(engine.size.y / 2 + 125));
    }
    context.drawImage(startGameBtnImg, Math.floor(engine.size.x / 2 - startGameBtnImg.width / 2), Math.floor(engine.size.y / 2 + 200 + titleImgY));
  }

  function onUpdate(dt, dx) {
    if (titleScreen) {
      titleScreenUpdate(dt, dx);
      return;
    }

    if (titleFadeout >= 0) {
      titleFadeout -= 0.01 * dx;
    }

    if (engine.buttonJustPressed(chem.button.KeyR) && playerEntity.dying) {
      cleanupAndRestart();
      return;
    }
    if (beamSmoke1.visible) {
      var newAlpha = beamSmoke1.alpha - 0.001 * dx;
      if (newAlpha < 0) newAlpha = 0;
      beamSmoke1.alpha = newAlpha;
      beamSmoke1.scale.x += 0.01 * dx;
      beamSmoke1.scale.y += 0.001 * dx;

      beamSmoke2.alpha = newAlpha;
      beamSmoke2.scale.x += 0.005 * dx;
      beamSmoke2.scale.y += 0.005 * dx;
    }
    winSparkle.rotation += Math.PI / 100 * dx;

    //CONTROLS
    playerEntity.left = engine.buttonState(chem.button.KeyLeft) || engine.buttonState(chem.button.KeyA);
    playerEntity.right = engine.buttonState(chem.button.KeyRight) || engine.buttonState(chem.button.KeyD);
    playerEntity.jump = engine.buttonState(chem.button.KeyUp) || engine.buttonState(chem.button.KeyW) || engine.buttonState(chem.button.KeySpace);

    if (engine.buttonJustPressed(chem.button.KeyM)) {
      toggleMute();
    }

    // cheats
    if (engine.buttonState(chem.button.Key1)) {
      if (engine.buttonJustPressed(chem.button.KeyY)) {
        spawnCrowdPerson();
      }
      if (engine.buttonJustPressed(chem.button.KeyV)) {
        youWin();
      }
      if (engine.buttonJustPressed(chem.button.KeyH)) {
        getAllPowerUps();
      }
      if (engine.buttonState(chem.button.Key9)) {
        playerEntity.pos.x += 50;
      }
    }

    //Switch Weapons
    if (engine.buttonJustPressed(chem.button.KeyShift) || engine.buttonJustPressed(chem.button.MouseRight)) {
      weaponIndex = (weaponIndex + 1) % weapons.length;
      updateCursor();
    }

    //Update crowd position
    crowd.pos.x += crowdSpeed;
    crowd.rotation += crowdRotationSpeed;

    if (playerEntity.pos.x - crowd.pos.x > MAX_CROWD_X_DIST) {
      crowd.pos.x = playerEntity.pos.x - MAX_CROWD_X_DIST;
    }

    //crowd vs human
    if (playerEntity.pos.distance(crowd.pos) < crowdDeathRadius
        || crowd.pos.x > playerEntity.pos.x + crowdDeathRadius) {
      playerDie();
    }


    //WEED cloud collision
    var inAnyWeedCloud = false;
    for(var i=0;i<weedClouds.length;i++){
      var cloud = weedClouds[i];
      var cloudRect = {pos: cloud.pos.plus(v(100,30)), size: v(230,100)};

      if(rectCollision(playerHeadRect(),cloud)) {
        inAnyWeedCloud = true;
      }
    }
    playerEntity.maxSpeed = inAnyWeedCloud ? 2.5 : 5;

    weaponUpdate(dt);
    spikeBallUpdate(dt, dx);
    updateProjectiles(dt, dx);
    updateBeam(dt, dx);
    updateCrowdPeople(dt, dx);
    updateFx(dt, dx);

    doCollision(playerEntity, dt, dx);

    scroll = playerEntity.pos.minus(engine.size.scaled(0.5));
    if (scroll.x < 0) scroll.x = 0;
    scroll.y = 0;
    maxScrollX = mapWidth - engine.size.x;
    if (scroll.x > maxScrollX) scroll.x = maxScrollX;

    doControlsAndPhysics(playerEntity, dt, dx);

    crowdLivesLabel.text = Math.floor(eargasmCount);

    if (playerEntity.dying || winning) {
      timeSinceGameOver += dt;
    }
  }

  function getCrowdPersonAnimation(crowdPerson) {
    if (crowdPerson.eargasm) {
      debugger
    } else if (crowdPerson.knockBackTime > 0) {
      debugger
    } else if (crowdPerson.hugging) {
      return ani.clingingGroupie;
    } else if (crowdPerson.grounded) {
      if (Math.abs(crowdPerson.vel.x) > 0) {
        if (crowdPerson.left && crowdPerson.vel.x <= 0 || crowdPerson.right && crowdPerson.vel.x >= 0) {
          return ani.enemyRun;
        } else {
          return ani.enemySlide;
        }
      } else if (crowdPerson.pos.distance(playerEntity.pos) < crowdPerson.rockDist) {
        return crowdPerson.rockAni;
      } else {
        return ani.enemyIdle;
      }
    } else if (playerEntity.vel.y < 0) {
      return ani.enemyJumpUp;
    } else {
      return ani.enemyJumpDown;
    }
  }

  function getPlayerAnimation() {
    if (playerEntity.dying) {
      return ani.roadieDeath;
    } else if (playerEntity.knockBackTime > 0) {
      return ani.roadieHit;
    } else if (playerEntity.grounded) {
      if (Math.abs(playerEntity.vel.x) > 0) {
        if (playerEntity.left&&playerEntity.vel.x<=0 || playerEntity.right&&playerEntity.vel.x>=0) {
          return ani.roadieRun;
        } else {
          return ani.roadieSlide;
        }
      } else {
        return ani.roadieIdle;
      }
    } else if (playerEntity.vel.y < 0) {
      return ani.roadieJumpUp;
    } else {
      return ani.roadieJumpDown;
    }
  }

  function updateProjectiles(dt, dx) {
    for (var i = 0; i < projectiles.length; i += 1) {
      var projectile = projectiles[i];
      projectile.sprite.pos.add(projectile.vel.scaled(dx));
      projectile.life -= dt;

      forEachHittableThing(checkHitRect, checkHitCircle);

      if (projectile.life <= 0) {
        projectiles[i].sprite.delete();
        projectiles.splice(i,1);
        i--;
      }
    }

    function checkHitRect(rect, isPlatform) {
      if (projectile.life <= 0) return false;
      var projectileRect = {
        pos: projectile.sprite.pos.minus(projectile.sprite.size.scaled(0.5)),
        size: projectile.sprite.size,
      };
      
      if(isPlatform && projectile.bulletType === "bass"){
        
      }else if (rectCollision(projectileRect, rect)) {
        projectile.life = 0;
        return projectile.damage;
      }
      return 0;
    }
    function checkHitCircle(circle) {
      if (projectile.life <= 0) return false;
      if (circle.pos.distance(projectile.sprite.pos) < circle.radius) {
        projectile.life = 0;
        return projectile.damage;
      }
      return 0;
    }
  }

  function updateBeam(dt, dx) {
    if (!beam) return;

    beamLife -= dt;
    if (beamLife <= 0) {
      beam.delete();
      beam = null;
      return;
    }

    var origPoint = playerEntity.pos.offset(6, 10);
    var aimVec = engine.mousePos.plus(scroll).minus(origPoint).normalize();

    beam.pos = origPoint;

    var beamLength = 1024;
    var endPoint = origPoint.plus(v.unit(beam.rotation).scaled(beamLength));
    forEachHittableThing(checkHitRect, checkHitCircle);

    var angleDiff = angleSubtract(aimVec.angle(),beam.rotation);
    var minDiff = Math.PI/90;

    if(angleDiff > minDiff){
      beam.rotation += 0.005 * dx;
    }else if(angleDiff < -minDiff){
      beam.rotation -= 0.005 * dx;
    }

    function checkHitRect(rect) {
      return lineIntersectsRect(origPoint, endPoint, rect) ? beamDamage : 0;
    }

    function checkHitCircle(circle) {
      return lineIntersectsCircle(origPoint, endPoint, circle) ? beamDamage : 0;
    }
  }

  function startHug(crowdPerson) {
    if (crowdPerson.hugging) return;
    crowdPerson.hugging = true;
    playerEntity.hugs += 1;
    crowdPerson.sprite.setAnimation(ani.clingingGroupie);
    crowdPerson.sprite.setFrameIndex(0);
    crowdPerson.sprite.setZOrder(3);
  }

  function updateFx(dt, dx) {
    for (var i = 0; i < fxList.length; i += 1) {
      var fx = fxList[i];

      fx.life -= dt;
      if (fx.life <= 0) {
        fx.sprite.delete();
        fxList.splice(i, 1);
        i--;
        continue;
      }

      if (fx.vel) {
        fx.sprite.pos.add(fx.vel.scaled(dx));
      }
    }
  }

  function updateCrowdPeople(dt, dx) {
    if (crowdPeopleCooldown <= 0) {
      if (crowdPeople.length < maxCrowdPeople) {
        spawnCrowdPerson();
        crowdPeopleCooldown = crowdPeopleCooldownAmt;
      }
    } else {
      crowdPeopleCooldown -= dt;
    }

    for (var i = 0; i < crowdPeople.length; i += 1) {
      var person = crowdPeople[i];
      var target = person.target;
      var closeDist = person.behavior === 'hug' ? 0 : person.rockDist;
      person.right = target.pos.x - person.pos.x > closeDist;
      person.left = target.pos.x - person.pos.x < -closeDist;
      if (person.jumper) {
        person.jump = person.pos.y - target.pos.y > 50;
      }

      if (person.behavior === 'hug' && person.pos.distance(playerEntity.pos) < 25 &&
          !playerEntity.dying && !winning)
      {
        startHug(person);
      }
      if (person.hugging) {
        if (playerEntity.dying || winning) {
          person.hugging = false;
          person.sprite.setZOrder(0);
        } else {
          person.pos = playerEntity.pos.offset(10, 20);
          doSpritePos(person);
        }
      } else {
        if (!playerEntity.dying) checkCollidePersonWithPlayer(person);
        doCollision(person, dt, dx);
        doControlsAndPhysics(person, dt, dx);
      }

      if (crowd.pos.x > person.pos.x + 300) {
        crowdPeople.splice(i, 1);
        person.sprite.delete();
        i -= 1;
      }
    }
  }

  function checkCollidePersonWithPlayer(person) {
    if (!rectCollision(playerRect(), person)) return;

    var normal = playerEntity.pos.minus(person.pos).normalize();
    var rv = playerEntity.vel.minus(person.vel);
    var velAlongNormal = rv.dot(normal);
    if (velAlongNormal > 0) return;
    var e = 0.80;
    var j = -(1 + e) * velAlongNormal;
    var personMass = 1;
    var playerMass = 1;
    j /= 1 / personMass + 1 / playerMass;
    var impulse = normal.scale(j);
    person.vel.sub(impulse.scaled(1 / personMass));
    playerEntity.vel.add(impulse.scaled(1 / playerMass));
  }

  function spawnCrowdPerson() {
    var crowdPerson = {
      getWantedAnimation: getCrowdPersonAnimation,
      sprite: new chem.Sprite(ani.enemyIdle, {
        batch: levelBatch,
        zOrder: 0,
        pos: crowd.pos.clone(),
      }),
      maxSpeed: 2 + Math.random() * 4,
      pos: crowd.pos.clone().plus(v(150,-150)),
      vel: v(),
      left: false,
      right: false,
      jump: false,
      jumper: !!Math.floor(Math.random() * 2),
      grounded: false,
      target: null,
      size: playerEntity.size,
      dying: false,
      runAcc: 0.25,
      airAcc: 0.15,
      jumpVec: v(0, -1 * (3 + Math.random() * 4)),
      directionFacing: 1,
      knockBackTime: 0,
      health: 2,
      behavior: null,
      rockAni: randomRockAni(),
      rockDist: Math.random() * 200,
    };
    
    var rand = Math.random()*3;
    if(rand > 1){
      /*var angle = Math.rand()*(-3*Math.PI/4);
      var length = 5;//Math.rand()*5;
      crowdPerson.vel = v.unit(angle).scaled(length);*/
      crowdPerson.vel = v(Math.random()*20+10,Math.random()*(-5)-5);
      v(20,-10)
    }

    assignCrowdPersonTarget(crowdPerson);
    assignRandomBehavior(crowdPerson);

    crowdPeople.push(crowdPerson);
  }

  function randomRockAni() {
    return rockAniList[Math.floor(Math.random() * rockAniList.length)];
  }

  function assignRandomBehavior(crowdPerson) {
    var index = Math.floor(Math.random() * crowdBehaviors.length);
    crowdPerson.behavior = crowdBehaviors[index];
  }

  function assignCrowdPersonTarget(crowdPerson) {
    var rand = Math.random();
    if (rand < 0.3333) {
      crowdPerson.target = randomNpc();
    }
    if (!crowdPerson.target) {
      crowdPerson.target = playerEntity;
    }
  }

  function randomNpc() {
    var randIndex = Math.floor(Math.random() * crowdPeople.length);
    return crowdPeople[randIndex];
  }

  function doControlsAndPhysics(entity, dt, dx) {
    var hugCount = entity.hugs || 0;
    var hugDrag = Math.pow(0.5, hugCount);

    if (entity.left && !entity.dying && !winning) {
      if(entity.grounded)
        entity.vel.x -= entity.runAcc * hugDrag;
      else
        entity.vel.x -= entity.airAcc * hugDrag;
    }
    if (entity.right && !entity.dying && !winning) {
      if(entity.grounded)
        entity.vel.x += entity.runAcc * hugDrag;
      else
        entity.vel.x += entity.airAcc * hugDrag;
    }
    if (entity.jump && !entity.dying && !winning) {
      if(entity.grounded){
        entity.vel.add(entity.jumpVec.scaled(hugDrag));
        entity.grounded = false;
        if (entity === playerEntity) {
          playSfx(sfxJump);
        }
      }
    }

    //check MAX SPEED
    if(entity.vel.x < -entity.maxSpeed){
        entity.vel.x = -entity.maxSpeed;
    }
    if(entity.vel.x > entity.maxSpeed){
      entity.vel.x = entity.maxSpeed;
    }

    //Apply FRICTION
    if(entity.grounded && ((!entity.left && !entity.right) || winning || entity.dying)){
      if(Math.abs(entity.vel.x) < 0.25){
        entity.vel.x = 0;
      } else{
        entity.vel.scale(1/friction);
      }
    }

    // gravity
    entity.vel.y += GRAVITY * dx;

    entity.knockBackTime -= dt;
    var wantedAni = entity.getWantedAnimation(entity);
    if (entity.sprite.animation !== wantedAni) {
      entity.sprite.setAnimation(wantedAni);
      entity.sprite.setFrameIndex(0);
    }

    if (entity.knockBackTime <= 0) {
      entity.directionFacing = sign(entity.vel.x) || entity.directionFacing;
    }

    doSpritePos(entity, dt, dx);
  }

  function doSpritePos(entity, dt, dx) {
    entity.sprite.scale.x = entity.directionFacing;
    entity.sprite.pos = entity.pos.clone();
    // compensate for offset
    if (entity.directionFacing < 0) {
      entity.sprite.pos.x += entity.size.x;
    }
  }

  function doCollision(entity, dt, dx) {
    var newPos = entity.pos.plus(entity.vel.scaled(dx));
    entity.grounded = false;
    var newPr = {pos: newPos, size: entity.size};
    for (var i = 0; i < platforms.length; i += 1) {
      var platform = platforms[i];
      if (rectCollision(newPr, platform)) {
        var outVec = resolveMinDist(newPr, platform);
        if (Math.abs(outVec.x) > Math.abs(outVec.y)) {
          var xDiff = resolveX(outVec.x, newPr, platform);
          newPos.x += xDiff;
          entity.vel.x = 0;
        } else {
          var yDiff = resolveY(outVec.y, newPr, platform);
          newPos.y += yDiff;
          entity.vel.y = 0;
        }
        newPr = {pos: newPos, size: entity.size};
        if (outVec.y < 0) {
          entity.grounded = true;
        }
      }
    }
    if (newPos.y + entity.size.y >= groundY) {
      newPos.y = groundY - entity.size.y;
      entity.vel.y = 0;
      entity.grounded = true;
    }
    entity.pos = newPos;

    //check against POWER UPS
    for(i=0;i<powerUps.length;i++){
      if(rectCollision(entity,powerUps[i])){
        getPowerUp(i);
        break;
      }
    }
  }

  function testYouWin() {
    if (eargasmCount >= eargasmQuota && !winning && !playerEntity.dying) {
      youWin();
    }
  }

  function youWin() {
    winning = true;
    timeSinceGameOver = 0;
    mainMusic.pause();
    victoryAudio.currentTime = 0;
    victoryAudio.play();
    crowdExcitedAudio.currentTime = 0;
    crowdExcitedAudio.play();
  }

  function forEachHittableThing(checkRect, checkCircle) {
    var i;
    var damage = checkCircle({pos: crowd.pos, radius: crowdDeathRadius});
    if (damage) {
      crowdDamage += damage;
      var diff = Math.floor(crowdDamage);
      crowdDamage -= diff;
      addHitFx(crowd.pos.offset(40, -100));
      for (i = 0; i < diff; i += 1) {
        spawnCrowdPerson();
      }
    }

    //skulls
    for (i = 0; i < spikeBalls.length; i += 1) {
      var ball = spikeBalls[i];

      var ballRect = {
        pos: ball.pos.plus(v(-12,-32)),
        size: v(24,65),
      };
      damage = checkRect(ballRect);
      if (damage) {
        addHitFx(ballRect.pos.plus(ballRect.size.scaled(0.5)));
        ball.health -= damage;
        if (ball.health <= 0) {
          fxList.push({
            life: 0.3,
            sprite: ball.sprite,
          });
          ball.sprite.setAnimation(ani.eyeDie);
          ball.sprite.setFrameIndex(0);
          if(ball.type != 'attack') ball.eyeColor.delete();
          spikeBalls.splice(i,1);
          i--;
        }
      }
    }
    
    //crowd
    for(i=0; i<crowdPeople.length;i++){
      var person = crowdPeople[i];

      var damage = checkRect(person);

      if (damage > 0) {
        addHitFx(person.pos.plus(person.size.scaled(0.5)));

        person.health -= damage;
        if(person.health <= 0){
          if (person.hugging) {
            playerEntity.hugs -= 1;
          }
          omgEargasm(person);
          crowdPeople.splice(i,1);
          i--;
        }
      }

    }
    
    //platforms
    for(i=0; i<platforms.length;i++){
       checkRect(platforms[i], true);
    }
  }

  function omgEargasm(person) {
    person.sprite.setAnimation(ani.eargasmKneel);
    person.sprite.setFrameIndex(0);
    person.sprite.setZOrder(2);
    var life = 1.5;
    fxList.push({
      life: life,
      sprite: person.sprite,
    });
    fxList.push({
      life: life,
      vel: v(0, -0.5),
      sprite: new chem.Sprite(randomEargasmTextAni(), {
        batch: levelBatch,
        pos: person.sprite.pos.offset(0, -30),
        zOrder: 2,
      }),
    });
    eargasmCount += 1;
    testYouWin();
  }

  function randomEargasmTextAni() {
    return eargasmTextAniList[Math.floor(Math.random() * eargasmTextAniList.length)];
  }

  function addHitFx(pos) {
    fxList.push({
      life: 1.0,
      vel: v(0, -0.5),
      sprite: new chem.Sprite(ani.fxProjectileNote, {
        batch: levelBatch,
        pos: pos.clone(),
        zOrder: 5,
      }),
    });
    fxList.push({
      life: 0.5,
      vel: v(0, 1),
      sprite: new chem.Sprite(ani.fxProjectileImpact, {
        batch: levelBatch,
        pos: pos.clone(),
        zOrder: 5,
      }),
    });
  }

  function spikeBallUpdate(dt, dx) {
    //spike balls
    for(var i=0;i<spikeBalls.length; i++){
      var ball = spikeBalls[i];

      var ballRect = {
            pos: ball.pos.plus(v(-12,-32)),
            size: v(24,65)
      }
      
      if(ball.type != 'attack'){
        ball.eyeColor.pos = ball.pos.offset(-11,0);
      }


      //check against player
      if(rectCollision(playerRect(),ballRect)){
        applyKnockBack();
        ball.sprite.delete();
        if(ball.type != 'attack') ball.eyeColor.delete();
        spikeBalls.splice(i,1);
        i--;
        continue;
      }

      //move it!
      if(ball.type == "vertical"){
        var center = ball.startVec.y-ball.range;
        ball.period += ball.speed*Math.PI/180;
        
        ball.pos.y = center + ball.range*Math.cos(ball.period);
      }
      else if(ball.type == "horizontal"){
        var center = ball.startVec.x-ball.range;
        ball.period += ball.speed*Math.PI/180;
        
        ball.pos.x = center + ball.range*Math.cos(ball.period);
      }
      else if(ball.type == "rotate"){
      
        var center = ball.startVec.plus(v(-ball.range,0));
        ball.period += ball.speed*Math.PI/180;
        
        ball.pos.x = center.x + ball.range*Math.cos(ball.period);
        ball.pos.y = center.y + ball.range*Math.sin(ball.period);
        
        //ball.pos = center;//.plus(v.unit(ball.period).scale(ball.range/2));*/
      }
      else if(ball.type === "seek"){
        if(ball.triggerOn){
          var directionVec = playerEntity.pos.minus(ball.pos);
          ball.pos.add(directionVec.normalize().scaled(ball.speed));
        }
        else{
          var distFromPlayer = playerEntity.pos.minus(ball.pos).length();

          if(distFromPlayer < ball.range) //&& yDist < 50)
            ball.triggerOn = true;
        }
      }
      else if(ball.type == "attack"){
        if(ball.triggerOn){
          ball.pos.x -= ball.speed;
        }
        else{
          var xDist = Math.abs(ball.pos.x - playerEntity.pos.x);

          if(xDist < engine.size.x/2 + 20) //&& yDist < 50)
            ball.triggerOn = true;
        }
      }
      
    }
  }

  function applyKnockBack() {
    playerEntity.vel.x = playerEntity.directionFacing * -6;
    playerEntity.vel.y = -1;
    playerEntity.knockBackTime = 0.4;
  }

  function weaponUpdate(dt) {
    var currentWeapon = weapons[weaponIndex];
    if (currentWeapon.reload <= 0) {
      var leftPressed = engine.buttonState(chem.button.MouseLeft) ||
        engine.buttonState(chem.button.KeyCtrl);
      if (leftPressed && !playerEntity.dying && !winning) {
        var origPoint = playerEntity.pos.offset(6, 10);
        var aimVec = engine.mousePos.plus(scroll).minus(origPoint).normalize();

        if(currentWeapon.name === 'microphone'){
          //Microphone
          projectiles.push({
            sprite: new chem.Sprite(currentWeapon.animation, {
              batch: levelBatch,
              pos: aimVec.scaled(10).plus(origPoint),
              rotation: aimVec.angle(),
            }),
            vel: aimVec.scaled(currentWeapon.projectileSpeed).plus(playerEntity.vel),
            life: currentWeapon.projectileLife,
            damage: currentWeapon.projectileDamage,
            bulletType: "microphone",
          });

          if(tripleShot){
            var angle2 = aimVec.angle()+Math.PI/8;
            var angle3 = angle2-Math.PI/4;
            var aimVec2 = v.unit(angle2);
            var aimVec3 = v.unit(angle3);

            //add a TRIPLE SHOT
            projectiles.push({
              sprite: new chem.Sprite(currentWeapon.animation, {
                batch: levelBatch,
                pos: aimVec2.scaled(10).plus(origPoint),
                rotation: aimVec2.angle(),
              }),
              vel: aimVec2.scaled(currentWeapon.projectileSpeed).plus(playerEntity.vel),
              life: currentWeapon.projectileLife,
              damage: currentWeapon.projectileDamage,
              bulletType: "microphone",
            });

            projectiles.push({
              sprite: new chem.Sprite(currentWeapon.animation, {
                batch: levelBatch,
                pos: aimVec3.scaled(10).plus(origPoint),
                rotation: aimVec3.angle(),
              }),
              vel: aimVec3.scaled(currentWeapon.projectileSpeed).plus(playerEntity.vel),
              damage: currentWeapon.projectileDamage,
              bulletType: "microphone",
            });
          }
        }else if(currentWeapon.name === 'bass'){
          playSfx(sfxBass);
          projectiles.push({
            sprite: new chem.Sprite(currentWeapon.animation, {
              batch: levelBatch,
              pos: aimVec.scaled(10).plus(origPoint),
              rotation: aimVec.angle(),
            }),
            vel: aimVec.scaled(currentWeapon.projectileSpeed).plus(playerEntity.vel),
            life: currentWeapon.projectileLife,
            damage: currentWeapon.projectileDamage,
            bulletType: "bass",
          });
        }else if(currentWeapon.name === 'guitar' && !beam){
          playSfx(sfxGuitar);

          // everbody unhug me
          var huggers = crowdPeople.filter(function(crowdPerson) {
            return crowdPerson.hugging;
          });
          playerEntity.hugs = 0;
          huggers.forEach(function(hugger) {
            omgEargasm(hugger);
          });

          //GUITAR
          beam = new chem.Sprite(ani.guitarBeam, {
                  batch: levelBatch,
                  pos: aimVec.scaled(10).plus(origPoint),
                  rotation: aimVec.angle(),
          });
          beamLife = 0.750;
        }else if(currentWeapon.name === 'drums'){
          playDrumSound();
          //var aimVec = v(1,-1).normalize();
          var angle = 0;

          for(var i=0; i<16; i++){
            angle = i*Math.PI/8
            aimVec = v.unit(angle);
            projectiles.push({
              sprite: new chem.Sprite(currentWeapon.animation, {
                batch: levelBatch,
                pos: aimVec.scaled(10).plus(origPoint),
                rotation: aimVec.angle(),
              }),
              vel: aimVec.scaled(currentWeapon.projectileSpeed).plus(playerEntity.vel),
              life: currentWeapon.projectileLife,
              damage: currentWeapon.projectileDamage,
              bulletType: "drums",
            });
          }
        }

        currentWeapon.reload = currentWeapon.reloadAmt;
      }
    } else {
      currentWeapon.reload -= dt;
    }
  }

  function onDraw(context) {
    if (titleScreen) {
      titleScreenDraw(context);
      return;
    }
    var bgOffsetX = scroll.x / maxScrollX * (bgImg.width - engine.size.x);
    context.drawImage(bgImg, bgOffsetX, 0, engine.size.x, bgImg.height, 0, 0, engine.size.x, bgImg.height);
    for (var i = 0; i < bgCrowdInstances.length; i += 1) {
      var bgCrowdInst = bgCrowdInstances[i];
      context.drawImage(bgCrowdInst.img, bgCrowdInst.x - scroll.x * bgCrowdScrollRatio, engine.size.y - groundImg.height - bgCrowdInst.img.height);
    }
    var crowdOffsetX = (scroll.x * bgCrowdScrollRatio) % bgCrowd.width;
    context.translate(-crowdOffsetX, 0);
    context.drawImage(bgCrowd, 0, engine.size.y - groundImg.height - bgCrowd.height);
    context.drawImage(bgCrowd, bgCrowd.width, engine.size.y - groundImg.height - bgCrowd.height);

    var groundOffsetX = scroll.x % groundImg.width;
    context.setTransform(1, 0, 0, 1, 0, 0); // load identity
    context.translate(-groundOffsetX, 0);
    context.drawImage(groundImg, 0, engine.size.y - groundImg.height);
    context.drawImage(groundImg, groundImg.width, engine.size.y - groundImg.height);

    context.setTransform(1, 0, 0, 1, 0, 0); // load identity
    context.translate(-scroll.x, -scroll.y);
    levelBatch.draw(context);

    context.setTransform(1, 0, 0, 1, 0, 0); // load identity
    context.translate(-scroll.x, -scroll.y);
    foregroundBatch.draw(context);

    // static
    context.setTransform(1, 0, 0, 1, 0, 0); // load identity
    staticBatch.draw(context);

    context.drawImage(leftSideHudImg, 0, 0);
    var crowdPercentLeft = 1 - crowd.pos.x / mapWidth;
    var barImg = crowdPercentLeft > 0.50 ? barNormalImg : barCautionImg;
    var height = crowdPercentLeft * barImg.height;
    context.drawImage(barImg, 0, 0, barImg.width, barImg.height, 16, engine.size.y - height - 16, barImg.width, height);
    crowdLivesLabel.draw(context);
    quotaLabel.draw(context);
    fansPleasedLabel.draw(context);

    if (playerEntity.dying) {
      var percentRed = timeSinceGameOver / 1.5;
      if (percentRed > 1) percentRed = 1;
      var maxRed = 0.50;

      context.globalAlpha = percentRed * maxRed;
      context.fillStyle = "#ff0000";
      context.fillRect(0, 0, engine.size.x, engine.size.y);
      context.globalAlpha = 1;

      var percentBlack = (timeSinceGameOver - 0.5) / 2.0;
      drawFocus(percentBlack);

      var textAmt = (timeSinceGameOver - 2.5) / 0.5;
      if (textAmt < 0) textAmt = 0;
      if (textAmt > 1) textAmt = 1;
      context.globalAlpha = textAmt;
      var moveItUp = 200;
      context.drawImage(chosenLoseMsg, Math.floor(engine.size.x / 2 - chosenLoseMsg.width / 2), Math.floor(engine.size.y / 2 - chosenLoseMsg.height / 2 - moveItUp));
      context.drawImage(retryBtnImg, Math.floor(engine.size.x / 2 - retryBtnImg.width / 2), Math.floor(engine.size.y / 2 + chosenLoseMsg.height / 2) + 40 - moveItUp);
      context.globalAlpha = 1;

      context.setTransform(1, 0, 0, 1, 0, 0); // load identity
      context.translate(-scroll.x, -scroll.y);
      playerEntity.sprite.draw(context);

      context.setTransform(1, 0, 0, 1, 0, 0); // load identity
    } else if (winning) {
      drawFocus(timeSinceGameOver / 3.0);

      var beamDescendAmt = timeSinceGameOver / 3.0;
      if (beamDescendAmt > 1) beamDescendAmt = 1;
      var beamX = playerEntity.pos.x - scroll.x - godBeam1Img.width / 2;
      var beamY = (1-beamDescendAmt) * -godBeam1Img.height;
      context.drawImage(godBeam1Img, beamX, beamY);

      beamDescendAmt = (timeSinceGameOver - 3.0) / 0.5;
      if (beamDescendAmt > 1) beamDescendAmt = 1;
      var relPlayerPos = playerEntity.pos.minus(scroll);
      beamX = relPlayerPos.x - godBeam2Img.width / 2;
      beamY = (1 - beamDescendAmt) * -godBeam2Img.height;
      context.drawImage(godBeam2Img, beamX, beamY);

      if (beamDescendAmt === 1) {
        beamSmoke1.setVisible(true);
        beamSmoke1.pos = v(relPlayerPos.x, groundY);
        beamSmoke1.draw(context);
        beamSmoke2.setVisible(true);
        beamSmoke2.pos = v(relPlayerPos.x, groundY - 50);
        beamSmoke2.draw(context);

        playerEntity.sprite.setAnimation(ani.roadie_ascending);

        startAscendPos = startAscendPos || playerEntity.pos;
        var ascendAmt = (timeSinceGameOver - 3.5) / 70.0;
        if (ascendAmt > 2) ascendAmt = 2.0;
        playerEntity.sprite.pos.y = startAscendPos.y - ascendAmt * startAscendPos.y;

        winSparkle.pos = relPlayerPos.offset(0, 20 - ascendAmt * startAscendPos.y);
        winSparkle.draw(context);

        var godAmt = (timeSinceGameOver - 3.5) / 5.0;
        if (godAmt < 0) godAmt = 0;
        if (godAmt > 1) godAmt = 1;
        var minGodScaleX = 0.5;
        zeus.scale.x = 0.5 + godAmt * 0.5;
        zeus.alpha = godAmt;
        zeus.pos = v(relPlayerPos.x, 0);
        zeus.draw(context);

        var text1Amt = (timeSinceGameOver - 5) / 2;
        if (text1Amt > 1) text1Amt = 1;
        if (text1Amt < 0) text1Amt = 0;
        context.globalAlpha = text1Amt;
        context.drawImage(godText1, 50, 100);

        var text2Amt = (timeSinceGameOver - 10) / 2;
        if (text2Amt > 1) text2Amt = 1;
        if (text2Amt < 0) text2Amt = 0;
        context.globalAlpha = text2Amt;
        context.drawImage(godText2, 50, 300);

        context.globalAlpha = 1;
      }

      context.setTransform(1, 0, 0, 1, 0, 0); // load identity
      context.translate(-scroll.x, -scroll.y);
      playerEntity.sprite.draw(context);

      context.setTransform(1, 0, 0, 1, 0, 0); // load identity
    }

    if (titleFadeout >= 0) {
      context.globalAlpha = titleFadeout;
      context.drawImage(titleScreenImg, 0, engine.size.y - titleScreenImg.height);
      context.globalAlpha = 1;
    }

    fpsLabel.draw(context);

    function drawFocus(percentBlack) {
      if (percentBlack > 1) percentBlack = 1;
      if (percentBlack <= 0) return;
      var focusPos = playerEntity.pos.minus(scroll).offset(-470, -236).floor();
      context.globalAlpha = percentBlack;
      context.drawImage(focusImg, focusPos.x, focusPos.y);
      context.fillStyle = "#000000";
      if (focusPos.y > 0) {
        context.fillRect(0, 0, engine.size.x, focusPos.y);
      }
      if (focusPos.x > 0 && engine.size.y - focusPos.y > 0) {
        context.fillRect(0, focusPos.y, focusPos.x, engine.size.y);
      }
      if (engine.size.x > focusPos.x + focusImg.width && engine.size.y  > focusPos.y) {
        context.fillRect(focusPos.x + focusImg.width, focusPos.y, engine.size.x, engine.size.y);
      }
      context.globalAlpha = 1;
    }
  }

  function playerDie() {
    if (playerEntity.dying || winning) return;
    playerEntity.dying = true;
    canvas.style.cursor = "auto";
    timeSinceGameOver = 0;
    chosenLoseMsg = loseMsgImgList[Math.floor(Math.random() * loseMsgImgList.length)];

    // give the player a chance to pressing buttons
    setTimeout(function() {
      engine.on('buttondown', onBtnDown);

      function onBtnDown(button) {
        if (button === chem.button.MouseLeft) {
          engine.removeListener('buttondown', onBtnDown);
          cleanupAndRestart();
        }
      }
    }, 2000);
  }

  function onMouseMove(pos, button) {
    crosshairSprite.pos = pos.clone();
  }

  function addBgCrowdInstances(bgCrowdThing) {
    var startX = bgCrowdThing.min * (mapWidth / bgCrowdScrollRatio);
    var endX = bgCrowdThing.max * (mapWidth / bgCrowdScrollRatio);
    for (var i = 0; i < bgCrowdThing.count; i += 1) {
      bgCrowdInstances.push({
        x: startX + (endX - startX) * Math.random(),
        img: bgCrowdThing.img,
      });
    }
  }

  function loadMap() {
    map.layers.forEach(function(layer) {
      if (layer.type === 'object') {
        layer.objects.forEach(loadMapObject);
      }
    });
    bgCrowdInstances = [];
    bgCrowdImgList.forEach(function(bgCrowdThing) {
      addBgCrowdInstances(bgCrowdThing);
    });
  }

  function loadMapObject(obj) {
    var pos = v(obj.x, obj.y);
    var size = v(obj.width, obj.height);
    var img = chem.resources.images[obj.properties.image];
    switch (obj.name) {
      case 'Start':
        playerEntity.pos = v(pos.x + size.x / 2, pos.y + size.y);
        break;
      case 'End':
        mapWidth = pos.x + size.x;
        break;
      case 'Platform':
        var platform = {
          pos: pos,
          size: size,
        };
        if(img != null){
          platform.sprite = new chem.Sprite(chem.Animation.fromImage(img), {
            batch: levelBatch,
            pos: pos,
            scale: size.divBy(v(img.width, img.height)),
          });
        }else{
          platform.sprite = null;
        }
        platforms.push(platform);
        break;
      case 'Skull':
        var animation = obj.type === 'attack' ? ani.skullAttack : ani.eyeBall;
        
        var spikeBall = {
            pos: pos,
            health: 1,
            size: size,
            sprite: new chem.Sprite(animation, {
              batch: levelBatch,
              pos: pos,
            }),
            type: obj.type,
            range: parseInt(obj.properties.range, 10),
            speed: parseFloat(obj.properties.speed, 10),
            triggerOn: false,
            startVec: pos.clone(),
            period: 0,
        };
        
        var chosenColor = "eye/floating_eye_green_horizontal";
        if(obj.type === 'seek'){
          spikeBall.health = 3;
          chosenColor = "eye/floating_eye_iris_orange";
        }else if(obj.type === 'idle'){
          spikeBall.health = 1;
          chosenColor = "eye/floating_eye_iris_blue";
        }else{
          spikeBall.health = 1.5;
          if(obj.type === 'horizontal'){
            chosenColor = "eye/floating_eye_green_horizontal";
          }else if(obj.type === 'vertical'){
            chosenColor = "eye/floating_eye_green_vertical";
          }else{
            chosenColor = "eye/floating_eye_green_rotate";
          }
        }
        
        if(obj.type != 'attack'){
          spikeBall.eyeColor = new chem.Sprite(ani[chosenColor],{
              batch: levelBatch,
              pos: spikeBall.pos.offset(-11,0),//pos.offset(-11,0),
          });
        }
        
        spikeBalls.push(spikeBall);
        break;
      case 'Weed':
        weedClouds.push({
          pos: pos,
          size: size,
          sprite: new chem.Sprite(ani.weedSmoke, {
            batch: levelBatch,
            pos: pos,
            zOrder: 3,
            scale: size.divBy(v(ani.weedSmoke.frames[0].size.x, ani.weedSmoke.frames[0].size.y)),//v(2,2),
          }),
        });
        break;
      case 'Decoration':
        var fg = !!obj.properties.fg;
        var batch = fg ? foregroundBatch : levelBatch;
        var animation = obj.properties.animation ? ani[obj.properties.animation] : chem.Animation.fromImage(img);
        decorations.push(new chem.Sprite(animation, {
          batch: batch,
          pos: pos,
          zOrder: parseInt(obj.properties.zOrder || 0, 10),
          alpha: parseFloat(obj.properties.opacity || 1, 10),
          scale: size.divBy(v(img.width, img.height)),
        }));
        break;
      case 'Powerup':
        powerUps.push({
          pos: pos,
          size: size,
          type: obj.type,
          sprite: new chem.Sprite(chem.Animation.fromImage(img), {
            batch: levelBatch,
            pos: pos,
            zOrder: parseInt(obj.properties.zOrder || 0, 10),
          }),
        });
        break;
    }
  }

  function createPlayerEntity() {
    return {
      getWantedAnimation: getPlayerAnimation,
      pos: v(),
      vel: v(),
      size: v(15, 57),
      sprite: new chem.Sprite(ani.roadieIdle, {
        batch: levelBatch,
        zOrder: 2,
      }),
      grounded: false,
      left: false,
      right: false,
      jump: false,
      dying: false,
      maxSpeed: 5,
      runAcc: 0.25,
      airAcc: 0.15,
      jumpVec: v(0, -6.8),
      directionFacing: 1,
      knockBackTime: 0,
      hugs: 0, // how many are dragging you down
    };
  }

  function initializeWeapons() {
    return [
      {
        name: "microphone",
        animation: ani.attack_mic,
        reload: 0,
        reloadAmt: 0.5,
        projectileSpeed: 10,
        projectileLife: 1,
        projectileDamage: 1,
        cursor: 'cursor/mike',
      },
    ];
  }
  function initCrowd() {
    return new chem.Sprite(ani.mobCloud1, {
      batch: levelBatch,
      pos: v(0*100, groundY),
      scale: v(1.4,1.4),
      zOrder: 4,
    });
  }
  function getBgCrowdImgList() {
    return [
      {
        count: 10,
        min: 0,
        max: 1,
        img: chem.resources.images['bgcrowd/background_marquee_tent.png'],
      },
      {
        count: 10,
        min: 0,
        max: 1,
        img: chem.resources.images['bgcrowd/background_spotlight_scaffold.png'],
      },
      {
        count: 10,
        min: 0,
        max: 1,
        img: chem.resources.images['bgcrowd/backround_sound_booth.png'],
      },
      {
        count: 1,
        min: 0.10,
        max: 1,
        img: chem.resources.images['bgcrowd/background_jumbotron_avn.png'],
      },
      {
        count: 1,
        min: 0.10,
        max: 1,
        img: chem.resources.images['bgcrowd/background_jumbotron_chem.png'],
      },
      {
        count: 1,
        min: 0.05,
        max: 0.05,
        img: chem.resources.images['bgcrowd/background_jumbotron_indie.png'],
      },
      {
        count: 10,
        min: 0.5,
        max: 1,
        img: chem.resources.images['bgcrowd/background__tree_1.png'],
      },
      {
        count: 10,
        min: 0.5,
        max: 1,
        img: chem.resources.images['bgcrowd/background__tree_2.png'],
      },
      {
        count: 10,
        min: 0.5,
        max: 1,
        img: chem.resources.images['bgcrowd/background__tree_3.png'],
      },
      {
        count: 10,
        min: 0.5,
        max: 1,
        img: chem.resources.images['bgcrowd/background_smoke_1.png'],
      },
      {
        count: 10,
        min: 0.5,
        max: 1,
        img: chem.resources.images['bgcrowd/background_smoke_2.png'],
      },
      {
        count: 10,
        min: 0.5,
        max: 1,
        img: chem.resources.images['bgcrowd/background_smoke_3.png'],
      },
    ];

  }

  function playDrumSound() {
    var sfx = sfxDrumList[Math.floor(Math.random() * sfxDrumList.length)];
    playSfx(sfx);
  }

  function playSfx(sfx) {
    if (muted) return;
    sfx.play();
  }

  function toggleMute() {
    muted = !muted;
    if (muted) {
      mainMusic.volume = 0;
    } else {
      mainMusic.volume = mainMusicVol;
    }
  }
}

chem.resources.on('ready', function() {
  tmx.load(chem, "level.tmx", function(err, map) {
    if (err) throw err;
    startGame(map);
  });
});

function sign(n) {
  if (n < 0) {
    return -1;
  } else if (n > 0) {
    return 1;
  } else {
    return 0;
  }
}

function rectCollision(rect1, rect2) {
  return !(rect1.pos.x >= rect2.pos.x + rect2.size.x || rect1.pos.y >= rect2.pos.y + rect2.size.y ||
           rect2.pos.x >= rect1.pos.x + rect1.size.x || rect2.pos.y >= rect1.pos.y + rect1.size.y ||
           rect1.pos.x + rect1.size.x < rect2.pos.x || rect1.pos.y + rect1.size.y < rect2.pos.y ||
           rect2.pos.x + rect2.size.x < rect1.pos.x || rect2.pos.y + rect2.size.y < rect1.pos.y);
}

function resolveX(xSign, dynamicRect, staticRect) {
  if (xSign < 0) {
    return staticRect.pos.x - (dynamicRect.pos.x + dynamicRect.size.x);
  } else {
    return staticRect.pos.x + staticRect.size.x - dynamicRect.pos.x + 1;
  }
}

function resolveY(ySign, dynamicRect, staticRect) {
  if (ySign < 0) {
    return staticRect.pos.y - (dynamicRect.pos.y + dynamicRect.size.y);
  } else {
    return staticRect.pos.y + staticRect.size.y - dynamicRect.pos.y + 1;
  }
}

function angleSubtract(left, right){
  var delta = left - right;
  if(delta > Math.PI) delta -= 2*Math.PI;
  if(delta < -Math.PI) delta += 2*Math.PI;
  return delta;
}

function resolveMinDist(rect1, rect2) {
  var minDist = Infinity;
  var outVec;

  var dist1 = Math.abs(rect1.pos.x - (rect2.pos.x + rect2.size.x));
  if (dist1 < minDist) {
    minDist = dist1;
    outVec = v(1, 0);
  }

  dist1 = Math.abs(rect1.pos.x + rect1.size.x - rect2.pos.x);
  if (dist1 < minDist) {
    minDist = dist1;
    outVec = v(-1, 0);
  }

  dist1 = Math.abs(rect1.pos.y - (rect2.pos.y + rect2.size.y));
  if (dist1 < minDist) {
    minDist = dist1;
    outVec = v(0, 1);
  }

  dist1 = Math.abs(rect1.pos.y + rect1.size.y - rect2.pos.y);
  if (dist1 < minDist) {
    minDist = dist1;
    outVec = v(0, -1);
  }

  return outVec;
}


function lineIntersectsRect(startPt, endPt, rect) {
  var x1 = startPt.x;
  var y1 = startPt.y;
  var x2 = endPt.x;
  var y2 = endPt.y;
  var minX = rect.pos.x;
  var minY = rect.pos.y;
  var maxX = rect.pos.x + rect.size.x;
  var maxY = rect.pos.y + rect.size.y;

  // Completely outside.
  if ((x1 <= minX && x2 <= minX) || (y1 <= minY && y2 <= minY) ||
      (x1 >= maxX && x2 >= maxX) || (y1 >= maxY && y2 >= maxY))
  {
    return false;
  }


  var m = (y2 - y1) / (x2 - x1);

  var y = m * (minX - x1) + y1;
  if (y > minY && y < maxY) return true;

  y = m * (maxX - x1) + y1;
  if (y > minY && y < maxY) return true;

  var x = (minY - y1) / m + x1;
  if (x > minX && x < maxX) return true;

  x = (maxY - y1) / m + x1;
  if (x > minX && x < maxX) return true;

  return false;
}

function lineIntersectsCircle(startPos, endPos, circle) {
  var d = endPos.minus(startPos);
  var f = endPos.minus(circle.pos);
  var a = d.dot(d);
  var b = 2 * f.dot(d);
  var c = f.dot(f) - circle.radius * circle.radius;
  var discriminant = b * b - 4 * a * c;
  return (discriminant >= 0);
}

},{"chem":39,"chem-tmx":22}]},{},[50,51])
;