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Added support for SHORT/WORD indices

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Removed references to m_userPointer (in CollisionObject), called it m_userObjectPointer
increased view distance in glut demo file
This commit is contained in:
ejcoumans
2006-09-06 22:21:12 +00:00
parent 400376289c
commit fa4fd1369c
4 changed files with 58 additions and 52 deletions
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6
Bullet/CollisionDispatch/CollisionObject.h
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@@ -60,7 +60,11 @@ struct CollisionObject
BroadphaseProxy* m_broadphaseHandle;
CollisionShape* m_collisionShape;
void* m_userPointer;//not use by Bullet internally
//users can point to their objects, m_userPointer is not used by Bullet
void* m_userObjectPointer;
//m_internalOwner one is used by optional Bullet high level interface
void* m_internalOwner;
///time of impact calculation
float m_hitFraction;

90
Bullet/CollisionShapes/StridingMeshInterface.cpp
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@@ -23,62 +23,64 @@ StridingMeshInterface::~StridingMeshInterface()
void StridingMeshInterface::InternalProcessAllTriangles(InternalTriangleIndexCallback* callback,const SimdVector3& aabbMin,const SimdVector3& aabbMax) const
{
int numtotalphysicsverts = 0;
int part,graphicssubparts = getNumSubParts();
const unsigned char * vertexbase;
const unsigned char * indexbase;
int indexstride;
PHY_ScalarType type;
PHY_ScalarType gfxindextype;
int stride,numverts,numtriangles;
int gfxindex;
SimdVector3 triangle[3];
int tempIndices[3] = {0,0,0};
int graphicsindex=0;
float* graphicsbase;
SimdVector3 meshScaling = getScaling();
int numtotalphysicsverts = 0;
int part,graphicssubparts = getNumSubParts();
///if the number of parts is big, the performance might drop due to the innerloop switch on indextype
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++)
switch (gfxindextype)
{
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--)
case PHY_INTEGER:
{
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
for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
{
int* tri_indices= (int*)(indexbase+gfxindex*indexstride);
graphicsbase = (float*)(vertexbase+tri_indices[0]*stride);
triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());
graphicsbase = (float*)(vertexbase+tri_indices[1]*stride);
triangle[1].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(), graphicsbase[2]*meshScaling.getZ());
graphicsbase = (float*)(vertexbase+tri_indices[2]*stride);
triangle[2].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(), graphicsbase[2]*meshScaling.getZ());
callback->InternalProcessTriangleIndex(triangle,part,gfxindex);
}
break;
}
//check aabb in triangle-space, before doing this
callback->InternalProcessTriangleIndex(triangle,part,gfxindex);
case PHY_SHORT:
{
for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
{
short int* tri_indices= (short int*)(indexbase+gfxindex*indexstride);
graphicsbase = (float*)(vertexbase+tri_indices[0]*stride);
triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());
graphicsbase = (float*)(vertexbase+tri_indices[1]*stride);
triangle[1].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(), graphicsbase[2]*meshScaling.getZ());
graphicsbase = (float*)(vertexbase+tri_indices[2]*stride);
triangle[2].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(), graphicsbase[2]*meshScaling.getZ());
callback->InternalProcessTriangleIndex(triangle,part,gfxindex);
}
break;
}
default:
ASSERT((gfxindextype == PHY_INTEGER) || (gfxindextype == PHY_SHORT));
}
unLockReadOnlyVertexBase(part);
}
}