function prov(sizeX, sizeY, sizeZ, material)
	if material == nil then material = 1 end
	local provider = {}
	provider.startX = 0
	provider.startY = 0
	provider.startZ = 0
	provider.sizeX = sizeX
	provider.sizeY = sizeY
	provider.sizeZ = sizeZ
	provider.numMaterials = 1
	provider.getBlockAt = function(x, y, z)
		return material
	end
	return provider
end

