Method IsAreaMorphed

trinity/Resources/TriGeometryRes.cpp:819–871

}

bool TriGeometryRes::IsAreaMorphed( TriGeometryResAreaData& area, granny_mesh* myMesh, granny_file_info* gi )
{
	CCP_STATS_ZONE( __FUNCTION__ );

	if( myMesh->MorphTargetCount == 0 )
	{
		return false;
	}

	const float EPSILON = .001f;

	// primary mesh vertex declaration
	granny_data_type_definition* grannyVertexDecl = myMesh->PrimaryVertexData->VertexType;
	Tr2VertexDefinition vertexDefinition = BuildFromGrannyVertexDecl( grannyVertexDecl );

	// morph target vertex declaration
	granny_data_type_definition* grannyMorphVertexDecl = myMesh->MorphTargets[0].VertexData->VertexType;
	Tr2VertexDefinition vertexMorphDefinition = BuildFromGrannyVertexDecl( grannyMorphVertexDecl );

	MorphToBaseData baseData = InitMorphToBaseData( vertexDefinition );
	MorphToBaseData morphData = InitMorphToBaseData( vertexMorphDefinition );

	// let's try to find at least one vertex that is being affected by at least one morph target
	bool dataIsDeltas = myMesh->MorphTargets->DataIsDeltas;
	auto pVertices = (uint8_t*)GrannyGetMeshVertices( myMesh );

	for( int i = 0; i < myMesh->MorphTargetCount; ++i )
	{
		auto pMorphSrc = (uint8_t*)GrannyGetMeshMorphVertices( myMesh, i );

		for( int vIx = 0; vIx < area.m_primitiveCount * 3; ++vIx )
		{
			int index;

			if( myMesh->PrimaryTopology->Indices16 )
			{
				index = myMesh->PrimaryTopology->Indices16[vIx + area.m_firstIndex];
			}
			else
			{
				index = myMesh->PrimaryTopology->Indices[vIx + area.m_firstIndex];
			}

			float squaredDist = SquaredDistMorphToBase( index, dataIsDeltas, pVertices, baseData, pMorphSrc, morphData );
			if( squaredDist > EPSILON )
			{
				return true;
			}
		}
	}

	return false;
}
#endif

bool TriGeometryRes::SetupMeshes( const cmf::Data& cmfData )