Moved files to named subfolder for easier packaging

This fixes the bug where exporting 3 or more objects would result in
one or more objects have corrupted texture coordinates

io_scene_ase/__init__.py

@@ -2,8 +2,8 @@ bl_info = {
     'name': 'ASCII Scene Export (ASE)',
     'description': 'Export ASE (ASCII Scene Export) files',
     'author': 'Colin Basnett (Darklight Games)',
-    'version': (1, 2, 0),
-    'blender': (2, 90, 0),
+    'version': (2, 0, 0),
+    'blender': (4, 0, 0),
     'location': 'File > Import-Export',
     'warning': 'This add-on is under development.',
     'wiki_url': 'https://github.com/DarklightGames/io_scene_ase/wiki',

io_scene_ase/builder.py

@@ -80,7 +80,7 @@ class ASEBuilder(object):
                     material_indices.append(material_index)
 
             mesh_data.calc_loop_triangles()
-            mesh_data.calc_normals_split()
+            
             poly_groups, groups = mesh_data.calc_smooth_groups(use_bitflags=False)
 
             # Faces
@@ -133,12 +133,13 @@ class ASEBuilder(object):
 
                 # Vertex Colors
                 if len(mesh_data.vertex_colors) > 0:
-                    vertex_colors = mesh_data.vertex_colors.active.data
-                    for color in map(lambda x: x.color, vertex_colors):
-                        geometry_object.vertex_colors.append(tuple(color[0:3]))
+                    if mesh_data.vertex_colors.active is not None:
+                        vertex_colors = mesh_data.vertex_colors.active.data
+                        for color in map(lambda x: x.color, vertex_colors):
+                            geometry_object.vertex_colors.append(tuple(color[0:3]))
 
             # Update data offsets for next iteration
-            geometry_object.texture_vertex_offset = len(mesh_data.loops)
+            geometry_object.texture_vertex_offset += len(mesh_data.loops)
             geometry_object.vertex_offset = len(geometry_object.vertices)
 
         if len(ase.geometry_objects) == 0:

io_scene_ase/exporter.py

@@ -1,11 +1,11 @@
-import bpy
-import bpy_extras
-from bpy.props import StringProperty, FloatProperty, EnumProperty, BoolProperty
+from bpy_extras.io_utils import ExportHelper
+from bpy.props import StringProperty, EnumProperty, BoolProperty
+from bpy.types import Operator
 from .builder import *
 from .writer import *
 
 
-class ASE_OT_ExportOperator(bpy.types.Operator, bpy_extras.io_utils.ExportHelper):
+class ASE_OT_ExportOperator(Operator, ExportHelper):
     bl_idname = 'io_scene_ase.ase_export'  # important since its how bpy.ops.import_test.some_data is constructed
     bl_label = 'Export ASE'
     bl_space_type = 'PROPERTIES'