refactor: move addon files to scene_renderer subfolder

scene_renderer/utils.py

@@ -0,0 +1,90 @@
+import bpy
+import os
+
+
+def silence_puresky():
+    removed = 0
+    for handler_list in [bpy.app.handlers.depsgraph_update_pre,
+                         bpy.app.handlers.depsgraph_update_post]:
+        for h in handler_list[:]:
+            if "puresky" in str(h).lower() or "PureSky" in str(h):
+                try:
+                    handler_list.remove(h)
+                    removed += 1
+                except Exception:
+                    pass
+    return removed
+
+
+def _snapshot_fragile_sockets(obj, mod, iface):
+    """Snapshot Material/Object sockets before modifying any override."""
+    FRAGILE_TYPES = {'NodeSocketMaterial', 'NodeSocketObject'}
+    snapshot = {}
+    for item in iface.items_tree:
+        if item.item_type != 'SOCKET' or item.in_out != 'INPUT':
+            continue
+        if item.socket_type not in FRAGILE_TYPES:
+            continue
+        sid = item.identifier
+        if sid in mod and mod[sid] is not None:
+            snapshot[sid] = mod[sid]
+            # Debug output to verify we grab the material
+            # print(f"  [SNAPSHOT] {obj.name} -> {item.name}: {mod[sid]}")
+    return snapshot
+
+
+def _restore_fragile_sockets(mod, snapshot):
+    """Restore Material/Object sockets that got wiped by override re-eval."""
+    restored = 0
+    for sid, value in snapshot.items():
+        current = mod[sid] if sid in mod else None
+        # Force restore if the current value no longer matches our snapshot
+        if current != value:
+            try:
+                mod[sid] = value
+                restored += 1
+            except Exception as e:
+                print(f"  [RESTORE FAILED] {sid}: {e}")
+    return restored
+
+
+def fix_lib_overrides():
+    # Disabled as forcing "True" or "Index" onto generic modifier properties
+    # destroys the library overrides and clears all material assignments.
+    return 0
+
+
+
+def fix_missing_images():
+    fixed = 0
+    for img in bpy.data.images:
+        if img.source == 'FILE' and img.filepath:
+            if getattr(img, "packed_file", None):
+                continue
+            abs_path = (bpy.path.abspath(img.filepath, library=img.library)
+                        if img.library else bpy.path.abspath(img.filepath))
+            if not os.path.exists(abs_path):
+                img.source = 'GENERATED'
+                img.generated_width = 8
+                img.generated_height = 8
+                img.generated_type = 'BLANK'
+                img.generated_color = (1.0, 0.0, 1.0, 1.0)
+                fixed += 1
+    return fixed
+
+
+def init_metal_gpu():
+    try:
+        prefs = bpy.context.preferences.addons['cycles'].preferences
+        prefs.compute_device_type = 'METAL'
+        prefs.get_devices()
+        for dev in prefs.devices:
+            dev.use = True
+        return True
+    except Exception:
+        return False
+
+
+def get_scenes():
+    return [s.name for s in bpy.data.scenes
+            if not s.name.startswith("_") and s.name != "_Shots"]