Improve Sprite Importer

Having multiple shapekeys on a Sprite could result in corrupted shapekeys when reimporting sprites.

Blender/coa_tools/operators/import_sprites.py

@@ -320,7 +320,7 @@ def execute(self, context):
                 if not self.replace or i.name not in bpy.data.objects:
                     bpy.ops.coa_tools.coa_import_sprite(path=filepath,parent=sprite_object.name,scale=get_addon_prefs(context).sprite_import_export_scale)
                 else:
-                    bpy.ops.coa_tools.coa_reimport_sprite(filepath=filepath,name=i.name)
+                    bpy.ops.coa_tools.coa_reimport_sprite(filepath=filepath,name=i.name, reposition=False)
         else:
             data_file = open(self.filepath)
             sprite_data = json.load(data_file)
@@ -357,20 +357,25 @@ class ReImportSprite(bpy.types.Operator, ImportHelper):
     pos = FloatVectorProperty(default=Vector((0,0,0)))
     scale = FloatProperty(default=.01)
     offset = FloatVectorProperty(default=Vector((0,0,0)))
+    reposition = BoolProperty(default=True)
 
     def move_verts(self,obj,ratio_x,ratio_y):
         bpy.ops.object.mode_set(mode="EDIT")
         bpy.ops.mesh.reveal()
         bpy.ops.object.mode_set(mode="OBJECT")
 
-        data = obj.data.vertices
+        shapekeys = [obj.data.vertices]
         if obj.data.shape_keys != None:
-            data = obj.data.shape_keys.key_blocks[0].data
+            shapekeys = []
+            for shapekey in obj.data.shape_keys.key_blocks:
+                shapekeys.append(shapekey.data)
 
-        for vert in data:
-            co_x = vert.co[0] * ratio_x
-            co_y = vert.co[2] * ratio_y
-            vert.co = Vector((co_x,0,co_y))
+        for shapekey in shapekeys:
+            for vert in shapekey:
+                co_x = vert.co[0] * ratio_x
+                co_y = vert.co[2] * ratio_y
+                vert.co = Vector((co_x,0,co_y))
+
 
         obj.coa_sprite_dimension = Vector((get_local_dimension(obj)[0],0,get_local_dimension(obj)[1]))
         obj.coa_tiles_x = self.tiles_x
@@ -389,8 +394,6 @@ def draw(self,context):
 
     def execute(self, context):
 
-
-
         sprite_found = False
         for image in bpy.data.images:
             if os.path.exists(bpy.path.abspath(image.filepath)) and os.path.exists(self.filepath):
@@ -429,7 +432,8 @@ def execute(self, context):
             obj_dimension[2] /= obj.scale[2]
 
             pos = self.pos
-            obj.location = Vector((pos[0],pos[1],-pos[2]))*self.scale + Vector((self.offset[0],self.offset[1],self.offset[2]))*self.scale
+            if self.reposition:
+                obj.location = Vector((pos[0],pos[1],-pos[2]))*self.scale + Vector((self.offset[0],self.offset[1],self.offset[2]))*self.scale
 
             sprite_dimension = Vector(obj_dimension) * (1/scale)