Method PySetVertices

trinity/Sprite2d/Tr2Sprite2dPolygon_Blue.cpp:212–399

PyObject* Tr2Sprite2dPolygon::PySetVertices( PyObject* self, PyObject* args )
{
	auto pThis = BluePythonCast<Tr2Sprite2dPolygon*>( self );
	PyObject* pyPositions = nullptr;
	PyObject* pyTransform = nullptr;
	PyObject* pyColors = nullptr;
	PyObject* pyTexCoord0 = nullptr;
	PyObject* pyTexCoord1 = nullptr;

	if( !PyArg_ParseTuple( args, "O|OOOO", &pyPositions, &pyTransform, &pyColors, &pyTexCoord0, &pyTexCoord1 ) )
	{
		return nullptr;
	}

	if( Py_None == pyPositions )
	{
		pyPositions = nullptr;
	}
	if( Py_None == pyColors )
	{
		pyColors = nullptr;
	}
	if( Py_None == pyTexCoord0 )
	{
		pyTexCoord0 = nullptr;
	}
	if( Py_None == pyTexCoord1 )
	{
		pyTexCoord1 = nullptr;
	}

	Vector2 position;
	Color color;
	Vector2 texcoord0;
	Vector2 texcoord1;

	Matrix transform( XMMatrixIdentity() );
	if( Py_None == pyTransform || pyTransform == nullptr )
	{
		transform = XMMatrixIdentity();
	}
	else if( !PyTuple_Check( pyTransform ) || PyTuple_GET_SIZE( pyTransform ) != 3 ||
			 !ToFloatTuple( PyTuple_GET_ITEM( pyTransform, 0 ), 3, &transform._11 ) ||
			 !ToFloatTuple( PyTuple_GET_ITEM( pyTransform, 1 ), 3, &transform._21 ) ||
			 !ToFloatTuple( PyTuple_GET_ITEM( pyTransform, 2 ), 3, &transform._41 ) )
	{
		PyErr_SetString( PyExc_TypeError, "positionTransform parameter must be a 3x3 matrix or None" );
		return nullptr;
	}

	bool constPosition = true;
	if( pyPositions )
	{
		constPosition = ToFloatTuple( pyPositions, 2, &position.x );
		if( !constPosition && !PySequence_Check( pyPositions ) )
		{
			PyErr_SetString( PyExc_TypeError, "positions parameter must be a 2-tuple or a sequence of 2-tuples" );
			return nullptr;