Getting to the way it's supposed to be!

modules/ufbx/misc/gen_rotation_order.py

@@ -0,0 +1,25 @@
+import sympy
+from sympy.algebras.quaternion import Quaternion
+
+cx,sx,cy,sy,cz,sz = sympy.symbols("cx sx cy sy cz sz")
+
+qx = Quaternion(cx, sx, 0, 0)
+qy = Quaternion(cy, 0, sy, 0)
+qz = Quaternion(cz, 0, 0, sz)
+qs = { "X": qx, "Y": qy, "Z": qz }
+
+orders = "XYZ XZY YZX YXZ ZXY ZYX".split()
+
+print("\tswitch (order) {")
+for order in orders:
+    q = qs[order[2]] * qs[order[1]] * qs[order[0]]
+    print("\tcase UFBX_ROTATION_{}:".format(order))
+    print("\t\tq.x = {};".format(q.b))
+    print("\t\tq.y = {};".format(q.c))
+    print("\t\tq.z = {};".format(q.d))
+    print("\t\tq.w = {};".format(q.a))
+    print("\t\tbreak;")
+print("\tdefault:")
+print("\t\tq.x = q.y = q.z = 0.0; q.w = 1.0;")
+print("\t\tbreak;")
+print("\t}")