YiAsset.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_ASSET_H_
#define _YI_ASSET_H_

#include "utility/YiRtti.h"
#include "utility/YiString.h"
#include "binding/YiScriptableRTTIObject.h"

#include <memory>

class CYIAssetLoadParams;
class IYIGPUObject;

class CYIAsset : public std::enable_shared_from_this<CYIAsset>, public CYIScriptableRTTIObject
{
    friend class CYIAssetManager;
    friend class CYIAssetLoader;
    friend class CYIDecoderThread;

public:

    enum PATH_TYPE
    {
        PATH_ABSOLUTE = 0,
        PATH_RELATIVE
    };
    
    virtual ~CYIAsset();

    const CYIString &GetPath() const;

    CYIAssetLoadParams *GetLoadParameters() const;
    
    virtual std::pair<uint32_t, uint32_t> GetApproximateSize() const;

    bool SetName(const CYIString &name);

    const CYIString &GetName() const;

    bool Load();

    void Unload();

    bool IsLoaded() const;
    
    bool Equals(const std::shared_ptr<CYIAsset> &pAsset);

    virtual bool Prepare();

protected:
    static ssize_t INVALID_ID;

    CYIAsset();

    ssize_t GetID() const;

    void SetPath(const CYIString &path, PATH_TYPE ePathType);
    void SetApproximateSize(uint32_t nSize);
    void SetLoaded(bool bAssetLoaded);
    void SetLoadParameters(std::unique_ptr<CYIAssetLoadParams> pParams);

    virtual void OnLoad();
    virtual void OnUnload();
    
private:
    void SetID(ssize_t id);

    bool m_bIsLoaded;
    ssize_t m_nID;
    uint32_t m_uResourceSize;
    CYIString m_Name;
    CYIString m_Path;
    std::unique_ptr<CYIAssetLoadParams> m_pLoadParams;

    YI_DISALLOW_COPY_AND_ASSIGN(CYIAsset)
    YI_TYPE_BASES_WITH_SCRIPTABLE_BASE(CYIAsset)
};

#endif // _YI_ASSET_H_