BGE: Extend Python API for KX_BlenderMaterial (specular, diffuse…)

Add support for material diffuse, specular… in KX_BlenderMaterial python proxy. And use mathutils in KX_BlenderMaterial for the specular and diffuse color in KX_BlenderMaterial.

Reviewers: sybren, brita_, kupoman, agoose77, dfelinto, moguri, campbellbarton, hg1

Reviewed By: moguri, campbellbarton, hg1

Subscribers: dfelinto

Projects: #game_engine

Differential Revision: https://developer.blender.org/D1298

source/gameengine/Ketsji/KX_PyMath.cpp

@@ -197,4 +197,19 @@ PyObject *PyObjectFrom(const MT_Tuple2 &vec)
 #endif
 }
 
+PyObject *PyColorFromVector(const MT_Vector3 &vec)
+{
+#ifdef USE_MATHUTILS
+	float fvec[3];
+	vec.getValue(fvec);
+	return Color_CreatePyObject(fvec, NULL);
+#else
+	PyObject *list = PyList_New(3);
+	PyList_SET_ITEM(list, 0, PyFloat_FromDouble(vec[0]));
+	PyList_SET_ITEM(list, 1, PyFloat_FromDouble(vec[1]));
+	PyList_SET_ITEM(list, 2, PyFloat_FromDouble(vec[2]));
+	return list;
+#endif
+}
+
 #endif // WITH_PYTHON