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/**
* @file llvlcomposition.h
* @brief Viewer-side representation of a composition layer...
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_LLVLCOMPOSITION_H
#define LL_LLVLCOMPOSITION_H
#include "llviewerlayer.h"
#include "llviewerimage.h"
class LLSurface;
class LLVLComposition : public LLViewerLayer
{
public:
LLVLComposition(LLSurface *surfacep, const U32 width, const F32 scale);
/*virtual*/ ~LLVLComposition();
void setSurface(LLSurface *surfacep);
// Viewer side hack to generate composition values
BOOL generateHeights(const F32 x, const F32 y, const F32 width, const F32 height);
BOOL generateComposition();
// Generate texture from composition values.
BOOL generateTexture(const F32 x, const F32 y, const F32 width, const F32 height);
// Use these as indeces ito the get/setters below that use 'corner'
enum ECorner
{
SOUTHWEST = 0,
SOUTHEAST = 1,
NORTHWEST = 2,
NORTHEAST = 3,
CORNER_COUNT = 4
};
LLUUID getDetailTextureID(S32 corner);
LLViewerImage* getDetailTexture(S32 corner);
F32 getStartHeight(S32 corner);
F32 getHeightRange(S32 corner);
void setDetailTextureID(S32 corner, const LLUUID& id);
void setStartHeight(S32 corner, F32 start_height);
void setHeightRange(S32 corner, F32 range);
friend class LLVOSurfacePatch;
friend class LLDrawPoolTerrain;
void setParamsReady() { mParamsReady = TRUE; }
BOOL getParamsReady() const { return mParamsReady; }
protected:
BOOL mParamsReady;
LLSurface *mSurfacep;
BOOL mTexturesLoaded;
LLPointer<LLViewerImage> mDetailTextures[CORNER_COUNT];
LLPointer<LLImageRaw> mRawImages[CORNER_COUNT];
F32 mStartHeight[CORNER_COUNT];
F32 mHeightRange[CORNER_COUNT];
F32 mTexScaleX;
F32 mTexScaleY;
};
#endif //LL_LLVLCOMPOSITION_H
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