2025-12-01

extensions/user_default/flip_fluids_addon/exit_handler.py

@@ -0,0 +1,45 @@
+# Blender FLIP Fluids Add-on
+# Copyright (C) 2025 Ryan L. Guy & Dennis Fassbaender
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import bpy, os, shutil
+
+# These variables are used when running an exit handler where
+# access to Blender data may no longer be available
+IS_BLEND_FILE_SAVED = False
+CACHE_DIRECTORY = ""
+
+def on_exit():
+    # nothing currently to do on exit
+    pass
+
+
+def save_post():
+    global IS_BLEND_FILE_SAVED
+    IS_BLEND_FILE_SAVED = True
+
+
+def load_post():
+    global IS_BLEND_FILE_SAVED
+    base = os.path.basename(bpy.data.filepath)
+    save_file = os.path.splitext(base)[0]
+    is_unsaved = not base or not save_file
+    IS_BLEND_FILE_SAVED = not is_unsaved
+
+
+def set_cache_directory(dirpath):
+    global CACHE_DIRECTORY
+    CACHE_DIRECTORY = dirpath