adapt to PyBMap binding

bbp_ng/OP_IMPORT_virtools.py

@@ -1,5 +1,7 @@
 import bpy
+import tempfile
 from . import PROP_preferences, UTIL_functions, UTIL_file_browser, UTIL_blender_mesh
+from .PyBMap import bmap_wrapper as bmap
 
 class BBP_OT_import_virtools(bpy.types.Operator, UTIL_file_browser.ImportVirtoolsFile):
     """Import Virtools File"""
@@ -7,17 +9,37 @@ class BBP_OT_import_virtools(bpy.types.Operator, UTIL_file_browser.ImportVirtool
     bl_label = "Import Virtools File"
     bl_options = {'PRESET', 'UNDO'}
 
+    vt_encodings: bpy.props.StringProperty(
+        name = "Encodings",
+        description = "The encoding list used by Virtools engine to resolve object name. Use `;` to split multiple encodings",
+        default = "1252"
+    )
+
     @classmethod
     def poll(self, context):
-        return PROP_preferences.get_raw_preferences().has_valid_blc_tex_folder()
+        return (
+            PROP_preferences.get_raw_preferences().has_valid_blc_tex_folder()
+            and bmap.is_bmap_available())
     
     def execute(self, context):
-        UTIL_functions.message_box((self.general_get_filename(), ), 'Import Virtools File Path', 'INFO')
+        # get encoding, split it by `;` and strip blank chars.
+        encodings: str = self.vt_encodings
+        _import_virtools(
+            self.general_get_filename(),
+            tuple(map(lambda x: x.strip(), encodings.split(';')))
+        )
         self.report({'INFO'}, "Virtools File Importing Finished.")
         return {'FINISHED'}
     
-    def draw(self, context):
-        layout = self.layout
+def _import_virtools(file_name_: str, encodings_: tuple[str]) -> None:
+    # create temp folder
+    with tempfile.TemporaryDirectory() as vt_temp_folder:
+        # create virtools reader context
+        with bmap.BMFileReader(
+                file_name_, vt_temp_folder,
+                PROP_preferences.get_raw_preferences().mBallanceTextureFolder,
+                encodings_) as reader:
+            pass
 
 def register() -> None:
     bpy.utils.register_class(BBP_OT_import_virtools)