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/*
* Copyright (c) 2005 Erwin Coumans http://continuousphysics.com/Bullet/
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies.
* Erwin Coumans makes no representations about the suitability
* of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*/
#include "StridingMeshInterface.h"
StridingMeshInterface::~StridingMeshInterface()
{
}
void StridingMeshInterface::InternalProcessAllTriangles(InternalTriangleIndexCallback* callback,const SimdVector3& aabbMin,const SimdVector3& aabbMax) const
{
SimdVector3 meshScaling = getScaling();
int numtotalphysicsverts = 0;
int part,graphicssubparts = getNumSubParts();
for (part=0;part<graphicssubparts ;part++)
{
const unsigned char * vertexbase;
const unsigned char * indexbase;
int indexstride;
PHY_ScalarType type;
PHY_ScalarType gfxindextype;
int stride,numverts,numtriangles;
getLockedReadOnlyVertexIndexBase(&vertexbase,numverts,type,stride,&indexbase,indexstride,numtriangles,gfxindextype,part);
numtotalphysicsverts+=numtriangles*3; //upper bound
int gfxindex;
SimdVector3 triangle[3];
for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
{
int graphicsindex=0;
#ifdef DEBUG_TRIANGLE_MESH
printf("triangle indices:\n");
#endif //DEBUG_TRIANGLE_MESH
ASSERT(gfxindextype == PHY_INTEGER);
int* gfxbase = (int*)(indexbase+gfxindex*indexstride);
for (int j=2;j>=0;j--)
{
graphicsindex = gfxbase[j];
#ifdef DEBUG_TRIANGLE_MESH
printf("%d ,",graphicsindex);
#endif //DEBUG_TRIANGLE_MESH
float* graphicsbase = (float*)(vertexbase+graphicsindex*stride);
triangle[j] = SimdVector3(
graphicsbase[0]*meshScaling.getX(),
graphicsbase[1]*meshScaling.getY(),
graphicsbase[2]*meshScaling.getZ());
#ifdef DEBUG_TRIANGLE_MESH
printf("triangle vertices:%f,%f,%f\n",triangle[j].x(),triangle[j].y(),triangle[j].z());
#endif //DEBUG_TRIANGLE_MESH
}
//check aabb in triangle-space, before doing this
callback->InternalProcessTriangleIndex(triangle,part,gfxindex);
}
unLockReadOnlyVertexBase(part);
}
}
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