axmol/cocos/renderer/CCMeshCommand.h

/****************************************************************************
 Copyright (c) 2013-2014 Chukong Technologies Inc.

 http://www.cocos2d-x.org

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 THE SOFTWARE.
 ****************************************************************************/

#ifndef _CC_MESHCOMMAND_H_
#define _CC_MESHCOMMAND_H_

#include <unordered_map>
#include "renderer/CCRenderCommand.h"
#include "renderer/CCGLProgram.h"
#include "math/CCMath.h"

NS_CC_BEGIN

class GLProgramState;
class GLProgram;
struct Uniform;
class EventListenerCustom;
class EventCustom;

//it is a common mesh
class CC_DLL MeshCommand : public RenderCommand
{
public:

    MeshCommand();
    ~MeshCommand();
    
    void init(float globalZOrder, GLuint textureID, GLProgramState* glProgramState, BlendFunc blendType, GLuint vertexBuffer, GLuint indexBuffer, GLenum primitive, GLenum indexFormat, ssize_t indexCount, const Mat4 &mv, uint32_t flags);
    
    CC_DEPRECATED_ATTRIBUTE void init(float globalZOrder, GLuint textureID, GLProgramState* glProgramState, BlendFunc blendType, GLuint vertexBuffer, GLuint indexBuffer, GLenum primitive, GLenum indexType, ssize_t indexCount, const Mat4 &mv);
    
    void setCullFaceEnabled(bool enable);
    
    void setCullFace(GLenum cullFace);
    
    void setDepthTestEnabled(bool enable);
    
    void setDepthWriteEnabled(bool enable);
    
    void setDisplayColor(const Vec4& color);
    
    void setMatrixPalette(const Vec4* matrixPalette) { _matrixPalette = matrixPalette; }
    
    void setMatrixPaletteSize(int size) { _matrixPaletteSize = size; }

    void setLightMask(unsigned int lightmask) { _lightMask = lightmask; }
    
    void setTransparent(bool value);
    
    void execute();
    
    //used for bath
    void preBatchDraw();
    void batchDraw();
    void postBatchDraw();
    
    void genMaterialID(GLuint texID, void* glProgramState, GLuint vertexBuffer, GLuint indexBuffer, const BlendFunc& blend);
    
    uint32_t getMaterialID() const { return _materialID; }
    
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID || CC_TARGET_PLATFORM == CC_PLATFORM_WP8 || CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
    void listenRendererRecreated(EventCustom* event);
#endif

protected:
    //build & release vao
    void buildVAO();
    void releaseVAO();
    
    // apply renderstate
    void applyRenderState();

    void setLightUniforms();
    
    //restore to all false
    void restoreRenderState();
    
    void MatrixPalleteCallBack( GLProgram* glProgram, Uniform* uniform);

    void resetLightUniformValues();

    GLuint _textureID;
    GLProgramState* _glProgramState;
    BlendFunc _blendType;

    GLuint _textrueID;
    
    Vec4 _displayColor; // in order to support tint and fade in fade out
    
    // used for skin
    const Vec4* _matrixPalette;
    int   _matrixPaletteSize;
    
    uint32_t _materialID; //material ID
    
    GLuint   _vao; //use vao if possible
    
    GLuint _vertexBuffer;
    GLuint _indexBuffer;
    GLenum _primitive;
    GLenum _indexFormat;
    ssize_t _indexCount;
    
    // States, default value all false
    bool _cullFaceEnabled;
    GLenum _cullFace;
    bool _depthTestEnabled;
    bool _depthWriteEnabled;
    bool _forceDepthWrite;
    
    bool _renderStateCullFaceEnabled;
    bool _renderStateDepthTest;
    GLboolean _renderStateDepthWrite;
    GLenum    _renderStateCullFace;

    // ModelView transform
    Mat4 _mv;

    unsigned int _lightMask;

#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID || CC_TARGET_PLATFORM == CC_PLATFORM_WP8 || CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
    EventListenerCustom* _rendererRecreatedListener;
#endif
};

NS_CC_END

#endif //_CC_MESHCOMMAND_H_