btTriangleIndexVertexArray* btBulletWorldImporter::createMeshInterface(btStridingMeshInterfaceData& meshData)
{
btTriangleIndexVertexArray* meshInterface = createTriangleMeshContainer();
for (int i=0;i<meshData.m_numMeshParts;i++)
{
btIndexedMesh meshPart;
if (meshData.m_meshPartsPtr[i].m_indices32)
{
meshPart.m_indexType = PHY_INTEGER;
meshPart.m_triangleIndexStride = 3*sizeof(int);
meshPart.m_triangleIndexBase = (const unsigned char*)meshData.m_meshPartsPtr[i].m_indices32;
} else
{
meshPart.m_indexType = PHY_SHORT;
if (meshData.m_meshPartsPtr[i].m_3indices16)
{
meshPart.m_triangleIndexStride = sizeof(btShortIntIndexTripletData);
meshPart.m_triangleIndexBase = (const unsigned char*)meshData.m_meshPartsPtr[i].m_3indices16;
}
if (meshData.m_meshPartsPtr[i].m_indices16)
{
meshPart.m_triangleIndexStride = 3*sizeof(short int);
meshPart.m_triangleIndexBase = (const unsigned char*)meshData.m_meshPartsPtr[i].m_indices16;
}
}
if (meshData.m_meshPartsPtr[i].m_vertices3f)
{
meshPart.m_vertexType = PHY_FLOAT;
meshPart.m_vertexStride = sizeof(btVector3FloatData);
meshPart.m_vertexBase = (const unsigned char*)meshData.m_meshPartsPtr[i].m_vertices3f;
} else
{
meshPart.m_vertexType = PHY_DOUBLE;
meshPart.m_vertexStride = sizeof(btVector3DoubleData);
meshPart.m_vertexBase = (const unsigned char*)meshData.m_meshPartsPtr[i].m_vertices3d;
}
meshPart.m_numTriangles = meshData.m_meshPartsPtr[i].m_numTriangles;
meshPart.m_numVertices = meshData.m_meshPartsPtr[i].m_numVertices;
if (meshPart.m_triangleIndexBase && meshPart.m_vertexBase)
{
meshInterface->addIndexedMesh(meshPart,meshPart.m_indexType);
}
}
return meshInterface;
}
btTriangleIndexVertexArray* btCollisionWorldImporter::createMeshInterface(btStridingMeshInterfaceData& meshData)
{
btTriangleIndexVertexArray* meshInterface = createTriangleMeshContainer();
for (int i=0;i<meshData.m_numMeshParts;i++)
{
btIndexedMesh meshPart;
meshPart.m_numTriangles = meshData.m_meshPartsPtr[i].m_numTriangles;
meshPart.m_numVertices = meshData.m_meshPartsPtr[i].m_numVertices;
if (meshData.m_meshPartsPtr[i].m_indices32)
{
meshPart.m_indexType = PHY_INTEGER;
meshPart.m_triangleIndexStride = 3*sizeof(int);
int* indexArray = (int*)btAlignedAlloc(sizeof(int)*3*meshPart.m_numTriangles,16);
m_indexArrays.push_back(indexArray);
for (int j=0;j<3*meshPart.m_numTriangles;j++)
{
indexArray[j] = meshData.m_meshPartsPtr[i].m_indices32[j].m_value;
}
meshPart.m_triangleIndexBase = (const unsigned char*)indexArray;
} else
{
if (meshData.m_meshPartsPtr[i].m_3indices16)
{
meshPart.m_indexType = PHY_SHORT;
meshPart.m_triangleIndexStride = sizeof(short int)*3;//sizeof(btShortIntIndexTripletData);
short int* indexArray = (short int*)btAlignedAlloc(sizeof(short int)*3*meshPart.m_numTriangles,16);
m_shortIndexArrays.push_back(indexArray);
for (int j=0;j<meshPart.m_numTriangles;j++)
{
indexArray[3*j] = meshData.m_meshPartsPtr[i].m_3indices16[j].m_values[0];
indexArray[3*j+1] = meshData.m_meshPartsPtr[i].m_3indices16[j].m_values[1];
indexArray[3*j+2] = meshData.m_meshPartsPtr[i].m_3indices16[j].m_values[2];
}
meshPart.m_triangleIndexBase = (const unsigned char*)indexArray;
}
if (meshData.m_meshPartsPtr[i].m_indices16)
{
meshPart.m_indexType = PHY_SHORT;
meshPart.m_triangleIndexStride = 3*sizeof(short int);
short int* indexArray = (short int*)btAlignedAlloc(sizeof(short int)*3*meshPart.m_numTriangles,16);
m_shortIndexArrays.push_back(indexArray);
for (int j=0;j<3*meshPart.m_numTriangles;j++)
{
indexArray[j] = meshData.m_meshPartsPtr[i].m_indices16[j].m_value;
}
meshPart.m_triangleIndexBase = (const unsigned char*)indexArray;
}
if (meshData.m_meshPartsPtr[i].m_3indices8)
{
meshPart.m_indexType = PHY_UCHAR;
meshPart.m_triangleIndexStride = sizeof(unsigned char)*3;
unsigned char* indexArray = (unsigned char*)btAlignedAlloc(sizeof(unsigned char)*3*meshPart.m_numTriangles,16);
m_charIndexArrays.push_back(indexArray);
for (int j=0;j<meshPart.m_numTriangles;j++)
{
indexArray[3*j] = meshData.m_meshPartsPtr[i].m_3indices8[j].m_values[0];
indexArray[3*j+1] = meshData.m_meshPartsPtr[i].m_3indices8[j].m_values[1];
indexArray[3*j+2] = meshData.m_meshPartsPtr[i].m_3indices8[j].m_values[2];
}
meshPart.m_triangleIndexBase = (const unsigned char*)indexArray;
}
}
if (meshData.m_meshPartsPtr[i].m_vertices3f)
{
meshPart.m_vertexType = PHY_FLOAT;
meshPart.m_vertexStride = sizeof(btVector3FloatData);
btVector3FloatData* vertices = (btVector3FloatData*) btAlignedAlloc(sizeof(btVector3FloatData)*meshPart.m_numVertices,16);
m_floatVertexArrays.push_back(vertices);
for (int j=0;j<meshPart.m_numVertices;j++)
{
vertices[j].m_floats[0] = meshData.m_meshPartsPtr[i].m_vertices3f[j].m_floats[0];
vertices[j].m_floats[1] = meshData.m_meshPartsPtr[i].m_vertices3f[j].m_floats[1];
vertices[j].m_floats[2] = meshData.m_meshPartsPtr[i].m_vertices3f[j].m_floats[2];
vertices[j].m_floats[3] = meshData.m_meshPartsPtr[i].m_vertices3f[j].m_floats[3];
}
meshPart.m_vertexBase = (const unsigned char*)vertices;
} else
{
meshPart.m_vertexType = PHY_DOUBLE;
meshPart.m_vertexStride = sizeof(btVector3DoubleData);
btVector3DoubleData* vertices = (btVector3DoubleData*) btAlignedAlloc(sizeof(btVector3DoubleData)*meshPart.m_numVertices,16);
m_doubleVertexArrays.push_back(vertices);
for (int j=0;j<meshPart.m_numVertices;j++)
{
vertices[j].m_floats[0] = meshData.m_meshPartsPtr[i].m_vertices3d[j].m_floats[0];
vertices[j].m_floats[1] = meshData.m_meshPartsPtr[i].m_vertices3d[j].m_floats[1];
vertices[j].m_floats[2] = meshData.m_meshPartsPtr[i].m_vertices3d[j].m_floats[2];
vertices[j].m_floats[3] = meshData.m_meshPartsPtr[i].m_vertices3d[j].m_floats[3];
}
meshPart.m_vertexBase = (const unsigned char*)vertices;
}
if (meshPart.m_triangleIndexBase && meshPart.m_vertexBase)
{
meshInterface->addIndexedMesh(meshPart,meshPart.m_indexType);
}
}
return meshInterface;
}
