From ccce05f213b3e97e18d88c1665c144df7ed1c218 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 26 Jul 2012 23:46:11 +0300
Subject: [PATCH] Adapt exporter to Blender 2.63

---
 blender/io_mesh_mspgl/export_mspgl.py |  8 ++++----
 blender/io_mesh_mspgl/mesh.py         | 28 ++++++++++++++++++---------
 2 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/blender/io_mesh_mspgl/export_mspgl.py b/blender/io_mesh_mspgl/export_mspgl.py
index 1d7062e6..5a1bbe11 100644
--- a/blender/io_mesh_mspgl/export_mspgl.py
+++ b/blender/io_mesh_mspgl/export_mspgl.py
@@ -248,15 +248,15 @@ class Exporter:
 			mesh.generate_material_uv()
 
 		texunits = []
-		if mesh.uv_textures and self.export_uv!="NONE":
+		if mesh.uv_layers and self.export_uv!="NONE":
 			if self.export_uv=="UNIT0":
 				texunits = [0]
 			else:
-				texunits = list(range(len(mesh.uv_textures)))
+				texunits = list(range(len(mesh.uv_layers)))
 
 			tbn_unit = 0
 			if self.tbn_vecs:
-				uvtex_names = [u.name for u in mesh.uv_textures]
+				uvtex_names = [u.name for u in mesh.uv_layers]
 				if self.tbn_uvtex in uvtex_names:
 					tbn_unit = uvtex_names.index(uvtex)
 					del texunits[tbn_unit]
@@ -293,7 +293,7 @@ class Exporter:
 		fmt += "_VERTEX3"
 		out_file.begin("vertices", fmt)
 		normal = None
-		uvs = [None]*len(mesh.uv_textures)
+		uvs = [None]*len(mesh.uv_layers)
 		tan = None
 		bino = None
 		for v in mesh.vertices:
diff --git a/blender/io_mesh_mspgl/mesh.py b/blender/io_mesh_mspgl/mesh.py
index f8a55353..ce4a7fd9 100644
--- a/blender/io_mesh_mspgl/mesh.py
+++ b/blender/io_mesh_mspgl/mesh.py
@@ -99,7 +99,15 @@ class Line:
 		self.flag = False
 
 
-class FakeUvTex:
+class UvLayer:
+	def __init__(self, l):
+		self._layer = l
+		self.name = None
+
+	def __getattr__(self, attr):
+		return getattr(self._layer, attr)
+
+class FakeUvLayer:
 	def __init__(self, n):
 		self.name = n
 
@@ -115,20 +123,22 @@ class Mesh:
 		self._mesh = m
 
 		self.vertices = [Vertex(v) for v in self.vertices]
-		self.faces = [Face(f) for f in self.faces]
+		self.faces = [Face(f) for f in self.polygons]
 
 		self.materials = self.materials[:]
 
-		self.uv_textures = [u for u in self.uv_textures if not u.name.endswith(".hidden")]
-		self.uv_textures.sort(key=uvtex_unit_number)
+		self.uv_layers = [UvLayer(u) for u in self.uv_layers]
+		for i in range(len(self.uv_layers)):
+			self.uv_layers[i].name = self.uv_textures[i].name
+		self.uv_layers = [u for u in self.uv_layers if not u.name.endswith(".hidden")]
+		self.uv_layers.sort(key=uvtex_unit_number)
 
 		for f in self.faces:
 			f.vertices = [self.vertices[i] for i in f.vertices]
 			for v in f.vertices:
 				v.faces.append(f)
-			for u in self.uv_textures:
-				r = u.data[f.index].uv_raw;
-				f.uvs.append([(r[i], r[i+1]) for i in range(0, 8, 2)])
+			for u in self.uv_layers:
+				f.uvs.append([u.data[f.loop_indices[i]].uv for i in range(len(f.vertices))])
 
 		self.edges = dict([(e.key, Edge(e)) for e in self.edges])
 		for f in self.faces:
@@ -185,7 +195,7 @@ class Mesh:
 			e.check_smooth(1)
 
 	def generate_material_uv(self):
-		self.uv_textures.append(FakeUvTex("material_tex"))
+		self.uv_layers.append(FakeUvLayer("material_tex"))
 		for f in self.faces:
 			f.uvs.append([((f.material_index+0.5)/len(self.materials), 0.5)]*len(f.vertices))
 
@@ -302,7 +312,7 @@ class Mesh:
 				v.uvs = [u[i] for u in f.uvs]
 
 	def compute_tbn(self, index):
-		if not self.uv_textures:
+		if not self.uv_layers:
 			return
 
 		for v in self.vertices:
-- 
2.45.2