RE_ReflectMap.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        RE_ReflectMap.h ( RE Library, C++)
 *
 * COMMENTS:
 *      Contains a cube texture map and the code for generating a reflection
 *      map from an object.
 */
#ifndef RE_ReflectMap_h
#define RE_ReflectMap_h

#include "RE_TextureTypes.h"
#include "RE_Types.h"

#include <UT/UT_NonCopyable.h>
#include <UT/UT_String.h>
#include <UT/UT_Vector3.h>

class RE_OGLFramebuffer;
class RE_OGLTexture;
class RE_Render;
class RE_TextureCubeMap;


class RE_API RE_ReflectMap
{
public:
                 RE_ReflectMap(const char *name);
                ~RE_ReflectMap();

                UT_NON_COPYABLE(RE_ReflectMap)

    void        setResolution(int size);
    void        setHDR(bool enable);
    void        setOrigin(UT_Vector3F org);
    void        setMipmap(bool enable);

    UT_Vector3F getOrigin() const { return myOrigin; }

    bool        isDirty() const { return myChanged; }

    bool        prepRender(RE_Render *r,
                           RE_TextureCubeFace face =RE_TEXTURE_CUBE_POS_X);
    void        doneRender(RE_Render *r);

    RE_OGLTexture *getReflectMap() const  { return myColorTex; }

    void        setVersion(int64 version) { myVersion = version; }
    int64       getVersion() const        { return myVersion; }
     
    void        setFrameTime(fpreal t)      { myTime = t; }
    fpreal      getFrameTime() const        { return myTime; }
    
    bool        createFBO(RE_Render *r);
        
private:
    void        resetFBO();
    static bool shTexDeleted(RE_OGLTexture *tex, void *rmapobj);
    
    UT_String   myName;
    int         myRes;
    bool        myHDR;
    UT_Vector3F myOrigin;

    RE_OGLFramebuffer *myFBO;
    RE_OGLTexture    *myColorTex;

    RE_TextureCubeMap *myCubeMap;

    bool        myRenderFlag;
    bool        myChanged;
    bool        myMipmap;
    int64       myVersion;
    fpreal      myTime;
};
#endif