fix virtools export fatal errors

bbp_ng/OP_EXPORT_virtools.py

@@ -89,7 +89,7 @@ def _export_virtools(file_name_: str, encodings_: tuple[str], compress_level_: i
                 texture_crets: tuple[_TTexturePair, ...] = _export_virtools_materials(
                     writer, progress, material_crets)
                 # export texture
-                _export_virtools_textures(writer, progress, texture_crets)
+                _export_virtools_textures(writer, progress, vt_temp_folder, texture_crets)
 
                 # save document
                 _save_virtools_document(
@@ -385,15 +385,12 @@ def _export_virtools_materials(
 def _export_virtools_textures(
         writer: bmap.BMFileWriter,
         progress: ProgressReport,
+        vt_temp_folder: str,
         texture_crets: tuple[_TTexturePair, ...]
         ) -> None:
     # start saving
     progress.enter_substeps(len(texture_crets), "Saving Textures")
 
-    # create another temp folder for non-ballance texture saving
-    with tempfile.TemporaryDirectory() as nonballance_temp:
-        print(f'Non-Ballance Texture Temp: {nonballance_temp}')
-
     for tex, vttexture in texture_crets:
         # set name
         vttexture.set_name(tex.name)
@@ -411,7 +408,7 @@ def _export_virtools_textures(
             UTIL_ballance_texture.get_texture_filepath(tex))
         if try_filepath is None:
             # non-ballance file, save in temp and change file path to point to it.
-                try_filepath = UTIL_ballance_texture.generate_other_texture_save_path(tex, nonballance_temp)
+            try_filepath = UTIL_ballance_texture.generate_other_texture_save_path(tex, vt_temp_folder)
             UTIL_ballance_texture.save_other_texture(tex, try_filepath)
         # load into vt engine
         vttexture.load_image(try_filepath)

bbp_ng/PyBMap/bmap.py

@@ -78,7 +78,7 @@ elif sys.platform.startswith('darwin'):
 else:
     _g_BMapLibName = "BMap.bin"
 
-_g_BMapModule: ctypes.CDLL = None
+_g_BMapModule: ctypes.CDLL | None = None
 try:
     _g_BMapModule = ctypes.cdll.LoadLibrary(
         os.path.join(os.path.dirname(__file__), _g_BMapLibName)

bbp_ng/PyBMap/bmap_wrapper.py

@@ -7,7 +7,7 @@ g_InvalidPtr: bmap.bm_void_p = bmap.bm_void_p(0)
 g_InvalidCKID: int = 0
 g_BMapEncoding: str = "utf-8"
 
-def python_callback(strl: bytes):
+def _python_callback(strl: bytes):
     """
     The Python type callback for BMFile.
     Simply add a prefix when output.
@@ -17,6 +17,7 @@ def python_callback(strl: bytes):
     # i think Python do a auto convertion here.
     if strl is not None:
         print(f'[PyBMap] {strl.decode(g_BMapEncoding)}')
+_g_RawCallback: bmap.bm_callback = bmap.bm_callback(_python_callback)
 
 class _AbstractPointer():
     __mRawPointer: int
@@ -594,7 +595,6 @@ class BMFileReader(_AbstractPointer):
         file_name: bmap.bm_CKSTRING = bmap.bm_CKSTRING(file_name_.encode(g_BMapEncoding))
         temp_folder: bmap.bm_CKSTRING = bmap.bm_CKSTRING(temp_folder_.encode(g_BMapEncoding))
         texture_folder: bmap.bm_CKSTRING = bmap.bm_CKSTRING(texture_folder_.encode(g_BMapEncoding))
-        raw_callback: bmap.bm_callback = bmap.bm_callback(python_callback)
         encoding_count: bmap.bm_CKDWORD = bmap.bm_CKDWORD(len(encodings_))
         encodings: ctypes.Array = (bmap.bm_CKSTRING * len(encodings_))(
             *(strl.encode(g_BMapEncoding) for strl in encodings_)
@@ -602,7 +602,7 @@ class BMFileReader(_AbstractPointer):
         out_file: bmap.bm_void_p = bmap.bm_void_p()
         # exec
         bmap.BMFile_Load(
-            file_name, temp_folder, texture_folder, raw_callback,
+            file_name, temp_folder, texture_folder, _g_RawCallback,
             encoding_count, encodings,
             ctypes.byref(out_file)
         )
@@ -693,7 +693,6 @@ class BMFileWriter(_AbstractPointer):
         # create param
         temp_folder: bmap.bm_CKSTRING = bmap.bm_CKSTRING(temp_folder_.encode(g_BMapEncoding))
         texture_folder: bmap.bm_CKSTRING = bmap.bm_CKSTRING(texture_folder_.encode(g_BMapEncoding))
-        raw_callback: bmap.bm_callback = bmap.bm_callback(python_callback)
         encoding_count: bmap.bm_CKDWORD = bmap.bm_CKDWORD(len(encodings_))
         encodings: ctypes.Array = (bmap.bm_CKSTRING * len(encodings_))(
             *(strl.encode(g_BMapEncoding) for strl in encodings_)
@@ -701,7 +700,7 @@ class BMFileWriter(_AbstractPointer):
         out_file: bmap.bm_void_p = bmap.bm_void_p()
         # exec
         bmap.BMFile_Create(
-            temp_folder, texture_folder, raw_callback,
+            temp_folder, texture_folder, _g_RawCallback,
             encoding_count, encodings,
             ctypes.byref(out_file)
         )

bbp_ng/UTIL_ballance_texture.py

@@ -350,6 +350,7 @@ def save_other_texture(tex: bpy.types.Image, filepath: str) -> None:
     @param tex[in] The saving texture
     @param filepath[in] The absolute path to saving file.
     """
+    # MARK: must use keyword to assign param otherwise blender will throw error.
     tex.save(filepath = filepath)
 
 #endregion