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/**
* @file llvosurfacepatch.h
* @brief Description of LLVOSurfacePatch class
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_VOSURFACEPATCH_H
#define LL_VOSURFACEPATCH_H
#include "llviewerobject.h"
#include "llstrider.h"
class LLSurfacePatch;
class LLDrawPool;
class LLVector2;
class LLVOSurfacePatch : public LLStaticViewerObject
{
public:
enum
{
VERTEX_DATA_MASK = (1 << LLVertexBuffer::TYPE_VERTEX) |
(1 << LLVertexBuffer::TYPE_NORMAL) |
(1 << LLVertexBuffer::TYPE_TEXCOORD) |
(1 << LLVertexBuffer::TYPE_TEXCOORD2) |
(1 << LLVertexBuffer::TYPE_COLOR)
}
eVertexDataMask;
LLVOSurfacePatch(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
/*virtual*/ void markDead();
// Initialize data that's only inited once per class.
static void initClass();
virtual U32 getPartitionType() const;
/*virtual*/ LLDrawable* createDrawable(LLPipeline *pipeline);
/*virtual*/ BOOL updateGeometry(LLDrawable *drawable);
/*virtual*/ BOOL updateLOD();
/*virtual*/ void updateFaceSize(S32 idx);
void getGeometry(LLStrider<LLVector3> &verticesp,
LLStrider<LLVector3> &normalsp,
LLStrider<LLColor4U> &colorsp,
LLStrider<LLVector2> &texCoords0p,
LLStrider<LLVector2> &texCoords1p,
LLStrider<U32> &indicesp);
/*virtual*/ void updateTextures(LLAgent &agent);
/*virtual*/ void setPixelAreaAndAngle(LLAgent &agent); // generate accurate apparent angle and area
/*virtual*/ void updateSpatialExtents(LLVector3& newMin, LLVector3& newMax);
/*virtual*/ BOOL isActive() const; // Whether this object needs to do an idleUpdate.
void setPatch(LLSurfacePatch *patchp);
LLSurfacePatch *getPatch() const { return mPatchp; }
void dirtyPatch();
void dirtyGeom();
BOOL mDirtiedPatch;
protected:
~LLVOSurfacePatch();
LLFacePool *mPool;
LLFacePool *getPool();
S32 mBaseComp;
LLSurfacePatch *mPatchp;
BOOL mDirtyTexture;
BOOL mDirtyTerrain;
S32 mLastNorthStride;
S32 mLastEastStride;
S32 mLastStride;
S32 mLastLength;
void calcColor(const LLVector3* vertex, const LLVector3* normal, LLColor4U* colorp);
BOOL updateShadows(BOOL use_shadow_factor = FALSE);
void getGeomSizesMain(const S32 stride, S32 &num_vertices, S32 &num_indices);
void getGeomSizesNorth(const S32 stride, const S32 north_stride,
S32 &num_vertices, S32 &num_indices);
void getGeomSizesEast(const S32 stride, const S32 east_stride,
S32 &num_vertices, S32 &num_indices);
void updateMainGeometry(LLFace *facep,
LLStrider<LLVector3> &verticesp,
LLStrider<LLVector3> &normalsp,
LLStrider<LLColor4U> &colorsp,
LLStrider<LLVector2> &texCoords0p,
LLStrider<LLVector2> &texCoords1p,
LLStrider<U32> &indicesp,
U32 &index_offset);
void updateNorthGeometry(LLFace *facep,
LLStrider<LLVector3> &verticesp,
LLStrider<LLVector3> &normalsp,
LLStrider<LLColor4U> &colorsp,
LLStrider<LLVector2> &texCoords0p,
LLStrider<LLVector2> &texCoords1p,
LLStrider<U32> &indicesp,
U32 &index_offset);
void updateEastGeometry(LLFace *facep,
LLStrider<LLVector3> &verticesp,
LLStrider<LLVector3> &normalsp,
LLStrider<LLColor4U> &colorsp,
LLStrider<LLVector2> &texCoords0p,
LLStrider<LLVector2> &texCoords1p,
LLStrider<U32> &indicesp,
U32 &index_offset);
};
#endif // LL_VOSURFACEPATCH_H
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