vHavokDisplayGeometry::vHavokDisplayGeometry(hkDisplayGeometry* geometry, const hkTransform &transform, hkUlong id, int tag)
{
// Set id
m_ID = id;
// Create mesh instance
if (geometry->getGeometry() == NULL)
geometry->buildGeometry();
// Create mesh buffer
VisMBVertexDescriptor_t desc;
desc.m_iStride = sizeof(SimpleMesh_t);
desc.m_iPosOfs = offsetof(SimpleMesh_t,pos);
UINT iVertices = geometry->getGeometry()->m_vertices.getSize();
UINT iTriangles = geometry->getGeometry()->m_triangles.getSize();
VisMeshBuffer_cl *pMesh = new VisMeshBuffer_cl();
// Copy vertices
pMesh->AllocateVertices(desc, iVertices);
SimpleMesh_t *pVertex = (SimpleMesh_t *)pMesh->LockVertices(VIS_LOCKFLAG_DISCARDABLE);
for (UINT i = 0; i < iVertices; i++, pVertex++)
{
hkVector4 vPos;
vPos.setMul(geometry->getGeometry()->m_vertices[i], vHavokConversionUtils::GetHavok2VisionScaleSIMD());
vPos.store<3,HK_IO_NATIVE_ALIGNED>(&pVertex->pos[0]);
}
pMesh->UnLockVertices();
// Copy indices
pMesh->AllocateIndexList(iTriangles*3);
unsigned short *pIndex = (unsigned short *)pMesh->LockIndices(VIS_LOCKFLAG_DISCARDABLE);
for (UINT i = 0; i < iTriangles; i++, pIndex+=3)
{
pIndex[0] = geometry->getGeometry()->m_triangles[i].m_a;
pIndex[1] = geometry->getGeometry()->m_triangles[i].m_b;
pIndex[2] = geometry->getGeometry()->m_triangles[i].m_c;
}
pMesh->UnLockIndices();
pMesh->SetPrimitiveType(VisMeshBuffer_cl::MB_PRIMTYPE_INDEXED_TRILIST );
// Create mesh instance
m_spMeshInstance = new VisMeshBufferObject_cl(pMesh);
// Mesh instance created
if (m_spMeshInstance == NULL)
return;
// Apply highlighting shader
m_spMeshInstance->SetTechnique(CreateHighlightEffect(VColorRef(55, 255, 55)));
// Set transform. Add the transform of the actual shape to the transform of the Vision mesh.
// This is needed for shapes that come from HKT files where they can have custom pivots.
hkTransform finalTransform = transform;
finalTransform.setMulEq(geometry->getTransform());
vHavokConversionUtils::PhysTransformToVisMatVecWorld(finalTransform, m_vRot, m_vPos);
m_spMeshInstance->SetUseEulerAngles(FALSE);
m_spMeshInstance->SetPosition(m_vPos);
m_spMeshInstance->SetRotationMatrix(m_vRot);
m_spMeshInstance->SetVisible(false);
m_spMeshInstance->SetObjectFlag(VObjectFlag_AutoDispose);
}
