geode/loader/include/Geode/cocos/misc_nodes/CCMotionStreak.h

/****************************************************************************
Copyright (c) 2010-2012  cocos2d-x.org
Copyright (c) 2011 ForzeField Studios S.L.

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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The above copyright notice and this permission notice shall be included in
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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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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****************************************************************************/
#ifndef __CCMOTION_STREAK_H__
#define __CCMOTION_STREAK_H__

#include "../base_nodes/CCNode.h"
#include "../include/CCProtocols.h"
#include "../include/ccTypes.h"
#include "../textures/CCTexture2D.h"
#ifdef EMSCRIPTEN
    #include "../base_nodes/CCGLBufferedNode.h"
#endif // EMSCRIPTEN

NS_CC_BEGIN

/**
 * @addtogroup misc_nodes
 * @{
 */

/** MotionStreak.
 Creates a trailing path.
 */
class CC_DLL CCMotionStreak :
    public CCNodeRGBA,
    public CCTextureProtocol
#ifdef EMSCRIPTEN
    ,
    public CCGLBufferedNode
#endif // EMSCRIPTEN
{

public:
    /**
     * @js ctor
     */
    CCMotionStreak();
    /**
     * @js NA
     * @lua NA
     */
    virtual ~CCMotionStreak();

    /** creates and initializes a motion streak with fade in seconds, minimum segments, stroke's
     * width, color, texture filename */
    static CCMotionStreak* create(
        float fade, float minSeg, float stroke, ccColor3B const& color, char const* path
    );
    /** creates and initializes a motion streak with fade in seconds, minimum segments, stroke's
     * width, color, texture */
    static CCMotionStreak* create(
        float fade, float minSeg, float stroke, ccColor3B const& color, CCTexture2D* texture
    );

    /** initializes a motion streak with fade in seconds, minimum segments, stroke's width, color
     * and texture filename */
    bool initWithFade(
        float fade, float minSeg, float stroke, ccColor3B const& color, char const* path
    );
    /** initializes a motion streak with fade in seconds, minimum segments, stroke's width, color
     * and texture  */
    bool initWithFade(
        float fade, float minSeg, float stroke, ccColor3B const& color, CCTexture2D* texture
    );

    /** color used for the tint */
    void tintWithColor(ccColor3B colors);

    /** Remove all living segments of the ribbon */
    void reset();

    /** Override super methods */
    virtual void setPosition(CCPoint const& position);
    virtual void draw();
    virtual void update(float delta);

    /* Implement interfaces */
    virtual CCTexture2D* getTexture(void);
    virtual void setTexture(CCTexture2D* texture);
    /**
     * @js NA
     */
    virtual void setBlendFunc(ccBlendFunc blendFunc);
    /**
     * @js NA
     */
    virtual ccBlendFunc getBlendFunc(void);
    virtual GLubyte getOpacity(void);
    virtual void setOpacity(GLubyte opacity);
    virtual void setOpacityModifyRGB(bool bValue);
    virtual bool isOpacityModifyRGB(void);

    RT_ADD(void resumeStroke(); void stopStroke(););

    /** When fast mode is enabled, new points are added faster but with lower precision */
    inline bool isFastMode() {
        return m_bFastMode;
    }

    inline void setFastMode(bool bFastMode) {
        m_bFastMode = bFastMode;
    }

    inline bool isStartingPositionInitialized() {
        return m_bStartingPositionInitialized;
    }

    inline void setStartingPositionInitialized(bool bStartingPositionInitialized) {
        m_bStartingPositionInitialized = bStartingPositionInitialized;
    }

protected:
    bool m_bFastMode;
    bool m_bStartingPositionInitialized;
    /** texture used for the motion streak */
    CCTexture2D* m_pTexture;
    ccBlendFunc m_tBlendFunc;
    CCPoint m_tPositionR;

    float m_fStroke;
    float m_fFadeDelta;
    float m_fMinSeg;

    unsigned int m_uMaxPoints;
    unsigned int m_uNuPoints;
    unsigned int m_uPreviousNuPoints;

    /** Pointers */
    CCPoint* m_pPointVertexes;
    float* m_pPointState;

    // Opengl
    ccVertex2F* m_pVertices;
    GLubyte* m_pColorPointer;
    ccTex2F* m_pTexCoords;
};

// end of misc_nodes group
/// @}

NS_CC_END

#endif //__CCMOTION_STREAK_H__