update message box and rail_uv

ballance_blender_plugin/bm_import_export.py

@@ -105,7 +105,7 @@ def import_bm(context,filepath,externalTexture,blenderTempFolder, textureOpt, ma
         # judge version first
         gotten_version = read_uint32(findex)
         if (gotten_version != bm_current_version):
-            utils.ShowMessageBox("Unsupported BM spec. Expect: {} Gotten: {}".format(bm_current_version, gotten_version), "Unsupported BM spec", 'WARNING')
+            utils.ShowMessageBox(("Unsupported BM spec. Expect: {} Gotten: {}".format(bm_current_version, gotten_version), ), "Unsupported BM spec", 'ERROR')
             findex.close()
             tempFolderObj.cleanup()
             return

ballance_blender_plugin/no_uv_checker.py

@@ -33,13 +33,16 @@ def check_target():
         if obj.data.uv_layers.active is None:
             noUVObject.append(obj.name)
 
-    result = ("All objects: {}, Skipped: {}, No UV Count: {}. Following object don't have UV: ".format(len(bpy.context.selected_objects), invalidObjectCount, len(noUVObject)) + 
-    ", ".join(noUVObject[:4]) + 
-    (". Too much objects don't have UV. Please open terminal to browse them." if len(noUVObject) > 4 else ""))
-
     if len(noUVObject) > 4:
         print("Following object don't have UV:")
         for item in noUVObject:
             print(item)
 
-    utils.ShowMessageBox(result, "Check result", 'INFO')
+    utils.ShowMessageBox((
+        "All objects: {}".format(len(bpy.context.selected_objects)),
+        "Skipped: {}".format(invalidObjectCount),
+        "No UV Count: {}".format(len(noUVObject)),
+        "",
+        "Following object don't have UV: "
+    ) + tuple(noUVObject[:4]) + 
+    (("Too much objects don't have UV. Please open terminal to browse them." if len(noUVObject) > 4 else "") ,), "Check result", 'INFO')

ballance_blender_plugin/rail_uv.py

@@ -1,4 +1,5 @@
 import bpy,bmesh
+import mathutils
 import bpy.types
 from . import utils, preferences
 
@@ -34,7 +35,10 @@ class BALLANCE_OT_rail_uv(bpy.types.Operator):
         return wm.invoke_props_dialog(self)
 
     def execute(self, context):
-        create_rail_uv()
+        if context.scene.BallanceBlenderPluginProperty.material_picker == None:
+            utils.ShowMessageBox(("No specific material", ), "Lost parameter", 'ERROR')
+        else:
+            create_rail_uv(self.uv_type, context.scene.BallanceBlenderPluginProperty.material_picker, self.uv_scale)
         return {'FINISHED'}
 
     def draw(self, context):
@@ -55,8 +59,8 @@ def check_rail_target():
         return True
     return False
 
-def create_rail_uv():
-    meshList = []
+def create_rail_uv(rail_type, material_pointer, scale_size):
+    objList = []
     ignoredObj = []
     for obj in bpy.context.selected_objects:
         if obj.type != 'MESH':
@@ -69,16 +73,42 @@ def create_rail_uv():
             # create a empty uv for it.
             obj.data.uv_layers.new(do_init=False)
         
-        meshList.append(obj.data)
+        objList.append(obj)
     
-    for mesh in meshList:
-        # vecList = mesh.vertices[:]
+    for obj in objList:
+        mesh = obj.data
+
+        # clean it material and set rail first
+        obj.data.materials.clear()
+        obj.data.materials.append(material_pointer)
+
+        real_scale = 1.0
+        if rail_type == 'SCALE':
+            real_scale = scale_size
+        elif rail_type == 'UNIFORM':
+            # calc proper scale
+            targetObjBbox = [mathutils.Vector(corner) for corner in obj.bound_box]
+            maxLength = max(
+                max([vec.x for vec in targetObjBbox]) - min([vec.x for vec in targetObjBbox]),
+                max([vec.y for vec in targetObjBbox]) - min([vec.y for vec in targetObjBbox])
+            )
+            real_scale = 1.0 / maxLength
+
+        # copy mesh vec for scale or uniform mode
+        vecList = mesh.vertices[:]
         uv_layer = mesh.uv_layers.active.data
         for poly in mesh.polygons:
             for loop_index in range(poly.loop_start, poly.loop_start + poly.loop_total):
-                # index = mesh.loops[loop_index].vertex_index
-                uv_layer[loop_index].uv[0] = 0 # vecList[index].co[0]
-                uv_layer[loop_index].uv[1] = 1 # vecList[index].co[1]
+                # get correspond vec index
+                index = mesh.loops[loop_index].vertex_index
+                if rail_type == 'POINT':
+                    # set to 1 point
+                    uv_layer[loop_index].uv[0] = 0
+                    uv_layer[loop_index].uv[1] = 1
+                else:
+                    # following xy -> uv scale
+                    uv_layer[loop_index].uv[0] = vecList[index].co[0] * real_scale
+                    uv_layer[loop_index].uv[1] = vecList[index].co[1] * real_scale
 
     if len(ignoredObj) != 0:
-        utils.ShowMessageBox("Following objects are not processed due to they are not suit for this function now: " + ', '.join(ignoredObj), "Execution result", 'INFO')
+        utils.ShowMessageBox(("Following objects are not processed due to they are not suit for this function now: ", ) + tuple(ignoredObj), "Execution result", 'INFO')

ballance_blender_plugin/utils.py

@@ -1,9 +1,11 @@
 import bpy
 from bpy_extras.io_utils import unpack_list
 
-def ShowMessageBox(message = "", title = "Message Box", icon = 'INFO'):
+def ShowMessageBox(message, title, icon):
 
     def draw(self, context):
-        self.layout.label(text=message)
+        layout = self.layout
+        for item in message:
+            layout.label(text=item, translate=False)
 
     bpy.context.window_manager.popup_menu(draw, title = title, icon = icon)