From 03151e4439792f2f0fca93e3c1456021170217b6 Mon Sep 17 00:00:00 2001
From: neumond <knifeslaughter@gmail.com>
Date: Sun, 9 Jul 2017 15:16:05 +0300
Subject: [PATCH] Fix #6, rotation matrix of tag must be inverted

---
 io_scene_md3/export_md3.py | 6 ++----
 io_scene_md3/import_md3.py | 5 ++---
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/io_scene_md3/export_md3.py b/io_scene_md3/export_md3.py
index 0844795..7a3298d 100644
--- a/io_scene_md3/export_md3.py
+++ b/io_scene_md3/export_md3.py
@@ -115,13 +115,11 @@ def __init__(self, context):
 
     def pack_tag(self, name):
         tag = bpy.context.scene.objects[name]
-        ox = tuple(tag.matrix_basis[0][:3])
-        oy = tuple(tag.matrix_basis[1][:3])
-        oz = tuple(tag.matrix_basis[2][:3])
+        m = tag.matrix_basis.transposed()
         return fmt.Tag.pack(
             name=prepare_name(tag.name),
             origin=tuple(tag.location),
-            axis=ox + oy + oz,
+            axis=sum([tuple(m[j].xyz) for j in range(3)], ()),
         )
 
     def pack_animated_tags(self):
diff --git a/io_scene_md3/import_md3.py b/io_scene_md3/import_md3.py
index 5bda1aa..2f0f49c 100644
--- a/io_scene_md3/import_md3.py
+++ b/io_scene_md3/import_md3.py
@@ -45,10 +45,9 @@ def guess_texture_filepath(modelpath, imagepath):
 
 
 def get_tag_matrix_basis(data):
-    o = [mathutils.Vector(data.axis[k:k+3]) for k in range(0, 9, 3)]
-    basis = mathutils.Matrix()
+    basis = mathutils.Matrix.Identity(4)
     for j in range(3):
-        basis[j].xyz = o[j]
+        basis[j].xyz = data.axis[j::3]
     basis.translation = mathutils.Vector(data.origin)
     return basis