Updated Export tool to read UVs

tool/export.py

@@ -32,8 +32,8 @@ def writeVertices(outfile, vertices, uvs):
                         vc.normal[0],
                         vc.normal[1],
                         vc.normal[2],
-                        uvs[vc.index][0],
-                        uvs[vc.index][1],
+                        uvs.get(vc.index, [0,0])[0],
+                        uvs.get(vc.index, [0,0])[1],
                         255, 255, 255, 255))
 
 
@@ -66,20 +66,18 @@ if __name__ == "__main__":
         print("len(polygons[0].vertices) != 3, triangulating mesh....")
         triangulate(active_object)
 
+    uvDict = {}
     loops = mesh.loops
+    active_layer = mesh.uv_layers.active
+
+    if active_layer:
         uv_layer = mesh.uv_layers.active.data
 
-    uvDict = {}
         for poly in polygons:
             for li in poly.loop_indices:
                 vi = loops[li].vertex_index
                 uvDict[vi] = uv_layer[li].uv
 
-    print("uvList:", uvDict);
-    print("uvItem:", uvDict[0]);
-
-
-
     # @debug info
     print("Active name:", active_object.name)
     print("Vertexcount: ", len(vertices))