Method CalculateSkinnedBoundingSphere

trinity/Tr2GrannyAnimation.cpp:1357–1407

}

Vector4 Tr2GrannyAnimation::CalculateSkinnedBoundingSphere( granny_file_info* fi )
{
	PrePhysicsAnimation( 0, IdentityMatrix() );

	if( !m_meshBinding )
	{
		return Vector4( 0.f, 0.f, 0.f, -1.f );
	}

	if( !fi )
	{
		fi = GetFileInfo();
	}
	if( !fi )
	{
		return Vector4( 0.f, 0.f, 0.f, -1.f );
	}

	// Known input and output vertex format
	granny_mesh* mesh = fi->Models[m_modelIndex]->MeshBindings[m_meshBindingIndex].Mesh;
	granny_int32x vertCount = GrannyGetMeshVertexCount( mesh );

	std::vector<granny_pwn313_vertex> sourceVerts( vertCount );
	std::vector<granny_pn33_vertex> deformedVerts( vertCount );

	GrannyCopyMeshVertices( mesh, GrannyPWN313VertexType, &sourceVerts[0] );

	granny_mesh_deformer* deformer = GrannyNewMeshDeformer( GrannyPWN313VertexType,
															GrannyPN33VertexType,
															GrannyDeformPositionNormal,
															GrannyDontAllowUncopiedTail );
	if( !deformer )
	{
		return Vector4( 0.f, 0.f, 0.f, -1.f );
	}

	GrannyDeformVertices( deformer, GrannyGetMeshBindingFromBoneIndices( m_meshBinding ), (granny_real32*)GrannyGetWorldPoseComposite4x4Array( m_worldPose ), vertCount, &sourceVerts[0], &deformedVerts[0] );

	// Gather a list of pointers to the positions
	std::vector<const Vector3*> points( vertCount );
	for( int32_t p = 0; p < vertCount; ++p )
	{
		points[p] = (const Vector3*)&deformedVerts[p].Position;
	}

	// Calculate the bounding sphere
	Vector4 boundingSphere;
	BoundingSphereFromPoints( boundingSphere, &points[0], points.size() );

	return boundingSphere;
}
#endif

const cmf::Skeleton* Tr2GrannyAnimation::GetSkeleton() const