correctly initialize FTransform with vector 1

Author: Roberto De Ioris

Source/UnrealEnginePython/Private/UEPyFTransform.cpp

@@ -62,9 +62,18 @@ static PyTypeObject ue_PyFTransformType = {
 	ue_PyFTransform_getseters,
 };
 
+static int ue_py_ftransform_init(ue_PyFTransform *self, PyObject *args, PyObject *kwargs) {
+	// ensure scaling is set to 1,1,1
+	FVector scale(1, 1, 1);
+	self->transform.SetScale3D(scale);
+	return 0;
+}
+
 void ue_python_init_ftransform(PyObject *ue_module) {
 	ue_PyFTransformType.tp_new = PyType_GenericNew;
 
+	ue_PyFTransformType.tp_init = (initproc)ue_py_ftransform_init;
+
 	if (PyType_Ready(&ue_PyFTransformType) < 0)
 		return;
 

tests/test_transform.py

@@ -1,6 +1,6 @@
 import unittest
 import unreal_engine as ue
-from unreal_engine import FVector, FRotator
+from unreal_engine import FVector, FRotator, FTransform
 
 class TestVector(unittest.TestCase):
 
@@ -17,3 +17,23 @@ def test_add_negative(self):
     def test_scale(self):
         vector0 = FVector(1, 2, -3)
         self.assertEqual( vector0 * 2, FVector(2, 4, -6))
+
+class TestRotator(unittest.TestCase):
+
+	def test_roll_pitch_yaw(self):
+		rotator0 = FRotator(10, 20, 30)
+		self.assertEqual( rotator0.roll, 10)
+		self.assertEqual( rotator0.pitch, 20)
+		self.assertEqual( rotator0.yaw, 30)
+
+class TestTransform(unittest.TestCase):
+
+	def test_default_values(self):
+		transform0 = FTransform()
+		self.assertEqual( transform0.translation, FVector(0, 0, 0))
+		self.assertEqual( transform0.rotation.roll, 0)
+		self.assertEqual( transform0.rotation.pitch, 0)
+		self.assertEqual( transform0.rotation.yaw, 0)
+		self.assertEqual( transform0.scale, FVector(1, 1, 1))
+
+