保存、打开项目优化

eg_smoke_x76dg4m2/smoke_project/project.json

@@ -1,9 +0,0 @@
-{
-    "name": "smoke_project",
-    "path": "D:\\IMGUI\\EG\\eg_smoke_x76dg4m2\\smoke_project",
-    "created_at": "2026-03-15 17:36:38",
-    "last_modified": "2026-03-15 17:36:39",
-    "version": "1.0.0",
-    "engine_version": "1.0.0",
-    "scene_file": "scenes\\scene.bam"
-}

imgui.ini

@@ -31,19 +31,19 @@ DockId=0x0000000D,0
 
 [Window][场景树]
 Pos=0,20
-Size=339,1084
+Size=339,1008
 Collapsed=0
 DockId=0x00000007,0
 
 [Window][属性面板]
-Pos=1694,20
-Size=346,1084
+Pos=1506,20
+Size=346,1008
 Collapsed=0
 DockId=0x00000002,0
 
 [Window][控制台]
-Pos=341,705
-Size=1351,399
+Pos=341,629
+Size=1163,399
 Collapsed=0
 DockId=0x00000006,1
 
@@ -59,7 +59,7 @@ Collapsed=0
 
 [Window][WindowOverViewport_11111111]
 Pos=0,20
-Size=2040,1084
+Size=1852,1008
 Collapsed=0
 
 [Window][测试窗口1]
@@ -78,17 +78,17 @@ Size=93,65
 Collapsed=0
 
 [Window][新建项目]
-Pos=1080,525
+Pos=824,402
 Size=400,300
 Collapsed=0
 
 [Window][选择路径]
-Pos=720,302
+Pos=626,264
 Size=600,500
 Collapsed=0
 
 [Window][打开项目]
-Pos=770,352
+Pos=676,314
 Size=500,400
 Collapsed=0
 
@@ -98,8 +98,8 @@ Size=600,500
 Collapsed=0
 
 [Window][资源管理器]
-Pos=341,705
-Size=1351,399
+Pos=341,629
+Size=1163,399
 Collapsed=0
 DockId=0x00000006,0
 
@@ -226,7 +226,7 @@ Size=460,260
 Collapsed=0
 
 [Docking][Data]
-DockSpace         ID=0x08BD597D Window=0x1BBC0F80 Pos=0,20 Size=2040,1084 Split=X
+DockSpace         ID=0x08BD597D Window=0x1BBC0F80 Pos=0,20 Size=1852,1008 Split=X
   DockNode        ID=0x00000001 Parent=0x08BD597D SizeRef=2212,1012 Split=X
     DockNode      ID=0x00000007 Parent=0x00000001 SizeRef=339,1084 Selected=0xE0015051
     DockNode      ID=0x00000008 Parent=0x00000001 SizeRef=1871,1084 Split=Y

project/project_manager.py

@@ -47,6 +47,102 @@ class ProjectManager:
     def _get_repo_root(self):
         return os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
+    def _vector_differs(self, current_value, target_values, tolerance=1e-4):
+        try:
+            current_list = [float(current_value[i]) for i in range(3)]
+        except Exception:
+            try:
+                current_list = [float(current_value.x), float(current_value.y), float(current_value.z)]
+            except Exception:
+                current_list = []
+        if len(current_list) < 3:
+            return True
+        try:
+            target_list = [float(target_values[0]), float(target_values[1]), float(target_values[2])]
+        except Exception:
+            return True
+        return any(abs(current_list[i] - target_list[i]) > tolerance for i in range(3))
+
+    def _log_render_runtime_stats(self, label):
+        """Print renderer/task stats to compare manual import vs project-open paths."""
+        world = getattr(self, "world", None)
+        if not world:
+            return
+
+        try:
+            win = getattr(world, "win", None)
+            num_regions = win.getNumDisplayRegions() if win else 0
+            region_lines = []
+            if win:
+                for index in range(num_regions):
+                    try:
+                        dr = win.getDisplayRegion(index)
+                        camera = dr.getCamera()
+                        camera_name = "None"
+                        if camera and not camera.isEmpty():
+                            camera_name = camera.getName()
+                        region_lines.append(
+                            f"{index}:{dr.getSort()}:{int(bool(dr.isActive()))}:{camera_name}"
+                        )
+                    except Exception:
+                        continue
+
+            graphics_engine = getattr(world, "graphicsEngine", None)
+            num_windows = graphics_engine.getNumWindows() if graphics_engine else 0
+
+            render = getattr(world, "render", None)
+            camera_count = 0
+            special_camera_counts = {}
+            if render and not render.isEmpty():
+                for pattern in ("**/+Camera",):
+                    try:
+                        camera_count += render.find_all_matches(pattern).get_num_paths()
+                    except Exception:
+                        pass
+                for camera_name in (
+                    "gizmo_overlay_cam",
+                    "pick_camera",
+                    "selection_outline_mask_camera",
+                ):
+                    try:
+                        special_camera_counts[camera_name] = render.find_all_matches(
+                            f"**/{camera_name}"
+                        ).get_num_paths()
+                    except Exception:
+                        special_camera_counts[camera_name] = 0
+
+            task_mgr = getattr(world, "taskMgr", None) or getattr(world, "task_mgr", None)
+            task_names = []
+            if task_mgr:
+                try:
+                    for task in list(task_mgr.getTasks()):
+                        try:
+                            task_names.append(task.name)
+                        except Exception:
+                            continue
+                except Exception:
+                    task_names = []
+            interesting_tasks = [
+                name for name in task_names
+                if (
+                    "gizmo" in str(name).lower()
+                    or "outline" in str(name).lower()
+                    or "pick" in str(name).lower()
+                    or "lui" in str(name).lower()
+                    or "canvas" in str(name).lower()
+                )
+            ]
+
+            print(
+                f"[RenderStats:{label}] regions={num_regions} windows={num_windows} "
+                f"render_cameras={camera_count} special={special_camera_counts} "
+                f"interesting_tasks={interesting_tasks}"
+            )
+            if region_lines:
+                print(f"[RenderStats:{label}] region_detail={' | '.join(region_lines)}")
+        except Exception:
+            pass
+
     def get_project_scripts_dir(self, project_path=None):
         project_path = os.path.normpath(project_path or self.current_project_path or "")
         if not project_path:
@@ -689,6 +785,10 @@ class ProjectManager:
         """
         # print(f"\n[DEBUG] ===== 开始打开项目: {project_path} =====")
         try:
+            try:
+                self.world._scene_tree_epoch = int(getattr(self.world, "_scene_tree_epoch", 0) or 0) + 1
+            except Exception:
+                self.world._scene_tree_epoch = 1
             if not project_path:
                 print("错误: 项目路径不能为空")
                 return False
@@ -913,6 +1013,14 @@ class ProjectManager:
         scene_file_path = os.path.join(project_path, scene_entry["path"].replace("/", os.sep))
         save_json(scene_file_path, scene_description)
         self._write_scene_sidecars(scene_paths, gui_snapshot, lui_snapshot)
+        try:
+            print(
+                f"[SceneSave] roots={len(root_nodes)} nodes={len(scene_description.get('nodes', []) or [])} "
+                f"assets={len(scene_description.get('referenced_asset_guids', []) or [])} "
+                f"scripts={len(scene_description.get('referenced_script_guids', []) or [])}"
+            )
+        except Exception:
+            pass
         return scene_description
 
     def _load_scene_description_into_editor(self, scene_description, project_path, scene_entry=None):
@@ -921,6 +1029,14 @@ class ProjectManager:
             return False
 
         self._clearCurrentScene()
+        self._log_render_runtime_stats("after_clear")
+        try:
+            print(
+                f"[SceneOpen] scene_nodes={len(scene_description.get('nodes', []) or [])} "
+                f"assets={len(scene_description.get('referenced_asset_guids', []) or [])}"
+            )
+        except Exception:
+            pass
         ssbo_loaded = self._load_scene_description_via_ssbo(scene_description, project_path, asset_database)
 
         scene_root, keep_nodes = self._build_scene_root_from_description(
@@ -945,6 +1061,22 @@ class ProjectManager:
         except Exception:
             root_children = []
 
+        try:
+            ssbo_editor = getattr(self.world, "ssbo_editor", None)
+            runtime_model = getattr(ssbo_editor, "model", None) if ssbo_editor else None
+            runtime_desc = 0
+            if runtime_model and not runtime_model.isEmpty():
+                try:
+                    runtime_desc = runtime_model.find_all_matches("**").get_num_paths()
+                except Exception:
+                    runtime_desc = 0
+            print(
+                f"[SceneOpen] ssbo_loaded={ssbo_loaded} keep_nodes={len(keep_nodes)} "
+                f"scene_root_children={len(root_children)} runtime_desc={runtime_desc}"
+            )
+        except Exception:
+            pass
+
         for child in root_children:
             child.reparentTo(self.world.render)
             if child.hasTag("is_model_root") or child.hasTag("asset_guid"):
@@ -981,6 +1113,28 @@ class ProjectManager:
         except Exception:
             pass
 
+        try:
+            render_desc = self.world.render.find_all_matches("**").get_num_paths()
+            print(
+                f"[SceneOpen] render_desc={render_desc} built_models={len(built_model_nodes)} "
+                f"spot={len(built_spot_lights)} point={len(built_point_lights)}"
+            )
+        except Exception:
+            pass
+
+        try:
+            controller = getattr(ssbo_editor, "controller", None) if ssbo_loaded else None
+            if controller and hasattr(controller, "get_runtime_structure_stats"):
+                print(f"[SceneOpen] runtime_structure={controller.get_runtime_structure_stats()}")
+        except Exception:
+            pass
+        try:
+            if ssbo_loaded and ssbo_editor and hasattr(ssbo_editor, "get_source_tree_stats"):
+                print(f"[SceneOpen] source_tree={ssbo_editor.get_source_tree_stats()}")
+        except Exception:
+            pass
+
+        self._log_render_runtime_stats("after_scene_rebuild")
         scene_components = dict(scene_description.get("scene_components", {}) or {})
         camera_state = dict(scene_components.get("camera", {}) or scene_description.get("camera", {}) or {})
         camera = getattr(self.world, "camera", None) or getattr(self.world, "cam", None)
@@ -1008,6 +1162,7 @@ class ProjectManager:
                 load_lui_fn(temp_stub)
         except Exception:
             pass
+        self._log_render_runtime_stats("after_lui_restore")
         return bool(ssbo_loaded or built_model_nodes or built_spot_lights or built_point_lights or scene_components)
 
     def _iter_top_level_scene_asset_nodes(self, scene_description):
@@ -1038,7 +1193,7 @@ class ProjectManager:
                 top_level_nodes.append(node)
         return top_level_nodes, node_lookup
 
-    def _apply_scene_description_state_to_node(self, target_np, node, project_path):
+    def _apply_scene_description_state_to_node(self, target_np, node, project_path, apply_material_state=True):
         if not target_np or target_np.isEmpty() or not isinstance(node, dict):
             return
 
@@ -1049,11 +1204,24 @@ class ProjectManager:
         position = list(transform.get("position", [0, 0, 0]) or [0, 0, 0])
         rotation = list(transform.get("rotation", [0, 0, 0]) or [0, 0, 0])
         scale = list(transform.get("scale", [1, 1, 1]) or [1, 1, 1])
-        if len(position) >= 3:
+        try:
+            current_pos = target_np.getPos()
+        except Exception:
+            current_pos = None
+        try:
+            current_hpr = target_np.getHpr()
+        except Exception:
+            current_hpr = None
+        try:
+            current_scale = target_np.getScale()
+        except Exception:
+            current_scale = None
+
+        if len(position) >= 3 and self._vector_differs(current_pos, position):
             target_np.setPos(float(position[0]), float(position[1]), float(position[2]))
-        if len(rotation) >= 3:
+        if len(rotation) >= 3 and self._vector_differs(current_hpr, rotation):
             target_np.setHpr(float(rotation[0]), float(rotation[1]), float(rotation[2]))
-        if len(scale) >= 3:
+        if len(scale) >= 3 and self._vector_differs(current_scale, scale):
             target_np.setScale(float(scale[0]), float(scale[1]), float(scale[2]))
 
         visibility = dict(node.get("visibility", {}) or {})
@@ -1120,6 +1288,7 @@ class ProjectManager:
             target_np.setTag("has_scripts", "true")
             target_np.setTag("scripts_info", json.dumps(scripts, ensure_ascii=False))
 
+        if apply_material_state:
             self._apply_saved_material_tags_to_node(target_np)
 
     def _apply_saved_material_tags_to_node(self, target_np):
@@ -1221,12 +1390,17 @@ class ProjectManager:
             except Exception:
                 pass
 
-    def _apply_scene_description_state_to_subtree(self, target_np, node, project_path, node_lookup):
+    def _apply_scene_description_state_to_subtree(self, target_np, node, project_path, node_lookup, apply_material_state=True):
         """Apply saved state to one imported node and its serialized descendants by child order."""
         if not target_np or target_np.isEmpty() or not isinstance(node, dict):
             return
 
-        self._apply_scene_description_state_to_node(target_np, node, project_path)
+        self._apply_scene_description_state_to_node(
+            target_np,
+            node,
+            project_path,
+            apply_material_state=apply_material_state,
+        )
 
         node_id = str(node.get("node_id", "") or "").strip()
         if not node_id:
@@ -1257,7 +1431,13 @@ class ProjectManager:
             child_index = _node_index(child_entry)
             if child_index < 0 or child_index >= len(runtime_children):
                 continue
-            self._apply_scene_description_state_to_subtree(runtime_children[child_index], child_entry, project_path, node_lookup)
+            self._apply_scene_description_state_to_subtree(
+                runtime_children[child_index],
+                child_entry,
+                project_path,
+                node_lookup,
+                apply_material_state=apply_material_state,
+            )
 
     def _load_scene_description_via_ssbo(self, scene_description, project_path, asset_database):
         if not getattr(self.world, "use_ssbo_mouse_picking", False):
@@ -1273,7 +1453,7 @@ class ProjectManager:
         if not top_level_asset_nodes:
             return False
 
-        loaded_any = False
+        candidate_nodes = []
         for node in top_level_asset_nodes:
             components = dict(node.get("components", {}) or {})
             model_component = dict(components.get("model", {}) or {})
@@ -1293,6 +1473,13 @@ class ProjectManager:
             if not os.path.exists(asset_abs):
                 continue
 
+            candidate_nodes.append((node, components, model_component, asset_abs))
+
+        loaded_any = False
+        total_candidates = len(candidate_nodes)
+        for index, (node, components, model_component, asset_abs) in enumerate(candidate_nodes):
+            has_more_assets = index < (total_candidates - 1)
+
             has_saved_animation = False
             try:
                 metadata_component = dict(components.get("metadata", {}) or {})
@@ -1326,6 +1513,7 @@ class ProjectManager:
                     keep_source_model=False,
                     append=loaded_any,
                     scene_package_import=False,
+                    rebuild_runtime=False,
                 )
             except Exception as e:
                 print(f"⚠️ SSBO 恢复场景模型失败 {asset_abs}: {e}")
@@ -1335,11 +1523,16 @@ class ProjectManager:
             if target_root is None:
                 continue
 
-            self._apply_scene_description_state_to_subtree(target_root, node, project_path, node_lookup)
-            # Keep runtime aligned with source after restoring per-node transforms.
-            # Otherwise the next append=True import snapshots stale runtime poses
-            # back into source_model_root and overwrites the restored transform.
-            if callable(refresh_runtime_fn):
+            self._apply_scene_description_state_to_subtree(
+                target_root,
+                node,
+                project_path,
+                node_lookup,
+                apply_material_state=False,
+            )
+            # Only rebuild between imports, or once after the whole batch below.
+            # Otherwise reopening a project pays one extra full SSBO rebuild per model.
+            if has_more_assets and callable(refresh_runtime_fn):
                 try:
                     refresh_runtime_fn(preserve_selection=False)
                 except Exception:
@@ -1349,13 +1542,16 @@ class ProjectManager:
         if not loaded_any:
             return False
 
-        clear_runtime_fn = getattr(ssbo_editor, "_clear_runtime_state", None)
-        rebuild_fn = getattr(ssbo_editor, "_rebuild_runtime_from_source_root", None)
-        if callable(rebuild_fn):
+        if callable(refresh_runtime_fn):
             try:
-                if callable(clear_runtime_fn):
-                    clear_runtime_fn(preserve_source_models=True)
-                rebuild_fn(highlight_root_name=None)
+                refresh_runtime_fn(preserve_selection=False)
+            except Exception:
+                pass
+
+        force_static_idle_fn = getattr(ssbo_editor, "force_static_chunk_idle_state", None)
+        if callable(force_static_idle_fn):
+            try:
+                force_static_idle_fn()
             except Exception:
                 pass
 
@@ -1660,6 +1856,24 @@ class ProjectManager:
             if skip_asset_nodes:
                 if self._node_belongs_to_asset_hierarchy(node, node_lookup):
                     continue
+                imported_node_key = str(
+                    node.get("imported_node_key", "")
+                    or ((node.get("components", {}) or {}).get("model", {}) or {}).get("imported_node_key", "")
+                    or ""
+                ).strip()
+                if imported_node_key:
+                    continue
+                if not self._is_scene_description_node_interactive(node):
+                    components = dict(node.get("components", {}) or {})
+                    tags = dict(node.get("tags", {}) or {})
+                    has_light = bool(components.get("light"))
+                    has_gui_tag = (
+                        str(tags.get("is_gui_element", "")).lower() == "true"
+                        or str(tags.get("gui_type", "")).strip() != ""
+                    )
+                    has_scene_element_tag = str(tags.get("is_scene_element", "")).lower() == "true"
+                    if not has_light and not has_gui_tag and not has_scene_element_tag:
+                        continue
             is_interactive = self._is_scene_description_node_interactive(node)
             if include_mode == "interactive" and not is_interactive:
                 continue

project/scene_description.py

@@ -242,12 +242,8 @@ def _resolve_imported_node_key(node, fallback_key: str) -> str:
 def _should_serialize_child_nodes(node, asset_guid: str, scripts: list[dict], runtime_interactive: bool, light_component: dict, material_component: dict) -> bool:
     if not node:
         return False
-    # Imported model roots and their descendants must keep hierarchy state so
-    # per-child transforms/material overrides survive save/load.
     if asset_guid:
         return True
-    if not asset_guid:
-        return True
     if scripts:
         return True
     if runtime_interactive:
@@ -256,6 +252,12 @@ def _should_serialize_child_nodes(node, asset_guid: str, scripts: list[dict], ru
         return True
     if material_component:
         return True
+    if node.hasTag("scene_transform_dirty") and node.getTag("scene_transform_dirty").lower() == "true":
+        return True
+    if node.hasTag("scene_material_dirty") and node.getTag("scene_material_dirty").lower() == "true":
+        return True
+    if node.hasTag("user_visible") and node.getTag("user_visible").lower() != "true":
+        return True
     return False
 
 
@@ -290,11 +292,61 @@ def _build_scene_description_payload(
     referenced_asset_guids = set()
     referenced_script_guids = set()
 
+    subtree_serializable_cache = {}
+
+    def _node_is_serializable(node) -> bool:
+        if not node or node.isEmpty():
+            return False
+
+        cache_key = id(node)
+        if cache_key in subtree_serializable_cache:
+            return subtree_serializable_cache[cache_key]
+
+        runtime_interactive = (
+            node.hasTag("runtime_interactive")
+            and node.getTag("runtime_interactive").lower() == "true"
+        )
+        scripts = []
+        if node.hasTag("scripts_info"):
+            try:
+                scripts = json.loads(node.getTag("scripts_info"))
+            except Exception:
+                scripts = []
+
+        asset_guid = ""
+        if node.hasTag("is_model_root"):
+            asset_guid = "root"
+
+        light_component = _collect_light_component(node)
+        material_component = _collect_material_override_component(node)
+
+        serializable_here = _should_serialize_child_nodes(
+            node,
+            asset_guid,
+            scripts,
+            runtime_interactive,
+            light_component,
+            material_component,
+        )
+        if serializable_here:
+            subtree_serializable_cache[cache_key] = True
+            return True
+
+        try:
+            children = list(node.getChildren())
+        except Exception:
+            children = []
+        result = any(_node_is_serializable(child) for child in children if child and not child.isEmpty())
+        subtree_serializable_cache[cache_key] = result
+        return result
+
     def walk_nodes(children, parent_id=""):
         for index, child in enumerate(list(children or [])):
             if not child or child.isEmpty():
                 continue
             node_id = _node_path_id(parent_id, index)
+            if not _node_is_serializable(child):
+                continue
 
             node_name = child.getName()
             imported_node_key = _resolve_imported_node_key(child, node_id)
@@ -387,6 +439,9 @@ def _build_scene_description_payload(
                 runtime_interactive,
                 light_component,
                 material_component,
+            ) or any(
+                _node_is_serializable(grandchild)
+                for grandchild in list(child.getChildren()) if grandchild and not grandchild.isEmpty()
             ):
                 try:
                     child_nodes = list(child.getChildren())

ssbo_component/ssbo_controller.py

@@ -242,6 +242,81 @@ class ObjectController:
 
         return False
 
+    def get_runtime_structure_stats(self):
+        """Summarize hybrid runtime structure to diagnose idle-state regressions."""
+        stats = {
+            "chunks_total": 0,
+            "chunks_dynamic_enabled": 0,
+            "chunk_static_nodes": 0,
+            "chunk_dynamic_nodes": 0,
+            "chunk_static_visible": 0,
+            "chunk_static_stashed": 0,
+            "chunk_dynamic_visible": 0,
+            "chunk_dynamic_stashed": 0,
+            "dynamic_object_nodes": 0,
+            "pick_nodes": 0,
+            "model_descendants": 0,
+            "pick_descendants": 0,
+            "model_geom_nodes": 0,
+            "pick_geom_nodes": 0,
+        }
+
+        chunks = getattr(self, "chunks", {}) or {}
+        stats["chunks_total"] = len(chunks)
+        for chunk in chunks.values():
+            if not isinstance(chunk, dict):
+                continue
+            if chunk.get("dynamic_enabled"):
+                stats["chunks_dynamic_enabled"] += 1
+            dynamic_np = chunk.get("dynamic_np")
+            static_np = chunk.get("static_np")
+            try:
+                if dynamic_np and not dynamic_np.is_empty():
+                    stats["chunk_dynamic_nodes"] += 1
+                    try:
+                        if dynamic_np.is_stashed():
+                            stats["chunk_dynamic_stashed"] += 1
+                        elif not dynamic_np.is_hidden():
+                            stats["chunk_dynamic_visible"] += 1
+                    except Exception:
+                        pass
+                    stats["dynamic_object_nodes"] += len(list(dynamic_np.get_children()))
+            except Exception:
+                pass
+            try:
+                if static_np and not static_np.is_empty():
+                    stats["chunk_static_nodes"] += 1
+                    try:
+                        if static_np.is_stashed():
+                            stats["chunk_static_stashed"] += 1
+                        elif not static_np.is_hidden():
+                            stats["chunk_static_visible"] += 1
+                    except Exception:
+                        pass
+            except Exception:
+                pass
+
+        model = getattr(self, "model", None)
+        if model:
+            try:
+                if not model.is_empty():
+                    stats["model_descendants"] = model.find_all_matches("**").get_num_paths()
+                    stats["model_geom_nodes"] = model.find_all_matches("**/+GeomNode").get_num_paths()
+            except Exception:
+                pass
+
+        pick_model = getattr(self, "pick_model", None)
+        if pick_model:
+            try:
+                if not pick_model.is_empty():
+                    stats["pick_descendants"] = pick_model.find_all_matches("**").get_num_paths()
+                    stats["pick_geom_nodes"] = pick_model.find_all_matches("**/+GeomNode").get_num_paths()
+                    stats["pick_nodes"] = len(list(pick_model.get_children()))
+            except Exception:
+                pass
+
+        return stats
+
     def get_preferred_selection_ids(self, key):
         """Return the IDs that should be selected when a tree node is clicked.
 

ssbo_component/ssbo_editor.py

@@ -561,65 +561,78 @@ class SSBOEditor:
         if not self.controller or not self.model or not self.source_model_root:
             return
 
-        proxy = getattr(self, "_group_proxy", None)
-        if self._node_is_valid(proxy):
-            try:
-                selection_key = str(proxy.getTag("ssbo_selection_key") or "").strip()
-            except Exception:
-                selection_key = ""
-            if selection_key and selection_key != getattr(self.controller, "tree_root_key", None):
-                source_group_node = self._resolve_source_node_by_tree_key(selection_key)
-                if self._node_is_valid(source_group_node):
-                    try:
-                        group_mat = LMatrix4f(proxy.get_mat(self.base.render))
-                    except Exception:
-                        try:
-                            group_mat = LMatrix4f(proxy.getMat(self.base.render))
-                        except Exception:
-                            group_mat = None
-                    if group_mat is not None:
-                        try:
-                            source_group_node.set_mat(group_mat)
-                        except Exception:
-                            try:
-                                source_group_node.setMat(group_mat)
-                            except Exception:
-                                pass
+        self._snapshot_active_selection_transform_to_source()
 
-        grouped_entries = {}
-        for gid, obj_np in self.controller.id_to_object_np.items():
-            if not self._node_is_valid(obj_np):
+        # Persist whole-model transforms that live on the aggregated runtime root.
+        # Child/object sync above only captures transforms relative to self.model,
+        # so moving the whole imported model root would otherwise be lost on save.
+        model_root_mat = None
+        try:
+            model_root_mat = LMatrix4f(self.model.get_mat(self.base.render))
+        except Exception:
+            try:
+                model_root_mat = LMatrix4f(self.model.getMat(self.base.render))
+            except Exception:
+                model_root_mat = None
+
+        if model_root_mat is None:
+            return
+
+        source_children = self._get_source_root_children()
+        if not source_children:
+            return
+
+        for source_child in source_children:
+            if not self._node_is_valid(source_child):
                 continue
-
-            owner_key = self.controller.id_to_name.get(gid)
-            if not owner_key or owner_key == getattr(self.controller, "tree_root_key", None):
+            child_name = self._get_node_name(source_child, None)
+            if not child_name:
                 continue
-
-            source_node = self._resolve_source_node_by_tree_key(owner_key)
-            if not self._node_is_valid(source_node):
-                continue
-
+            base_mat = self._source_child_base_mats.get(child_name)
+            if base_mat is None:
                 try:
-                current_net_mat = LMatrix4f(obj_np.get_mat(self.model))
+                    base_mat = LMatrix4f(source_child.get_mat())
                 except Exception:
                     try:
-                    current_net_mat = LMatrix4f(obj_np.getMat(self.model))
+                        base_mat = LMatrix4f(source_child.getMat())
+                    except Exception:
+                        continue
+            composed_mat = LMatrix4f(base_mat)
+            composed_mat *= model_root_mat
+            try:
+                source_child.set_mat(composed_mat)
+                source_child.setTag("scene_transform_dirty", "true")
+            except Exception:
+                try:
+                    source_child.setMat(composed_mat)
+                    source_child.setTag("scene_transform_dirty", "true")
                 except Exception:
                     continue
 
-            existing_entry = grouped_entries.get(owner_key)
-            if existing_entry is None:
-                grouped_entries[owner_key] = {
-                    "source_node": source_node,
-                    "current_net_mat": current_net_mat,
-                }
+    def _snapshot_active_selection_transform_to_source(self):
+        """Persist only the actively edited selection back into the source tree."""
+        if not self.controller or not self.model or not self.source_model_root:
+            return False
 
-        for owner_key in sorted(grouped_entries.keys(), key=lambda key: str(key).count("/")):
-            entry = grouped_entries.get(owner_key) or {}
-            source_node = entry.get("source_node")
-            current_net_mat = entry.get("current_net_mat")
-            if not self._node_is_valid(source_node) or current_net_mat is None:
-                continue
+        selected_key = self.selected_name
+        root_key = getattr(self.controller, "tree_root_key", None)
+        if not selected_key or selected_key == root_key:
+            return False
+
+        scene_node = self.get_selection_scene_node()
+        source_node = self.get_selection_source_node()
+        if not self._node_is_valid(scene_node) or not self._node_is_valid(source_node):
+            return False
+
+        try:
+            current_net_mat = LMatrix4f(scene_node.get_mat(self.model))
+        except Exception:
+            try:
+                current_net_mat = LMatrix4f(scene_node.getMat(self.model))
+            except Exception:
+                current_net_mat = None
+        if current_net_mat is None:
+            return False
 
         try:
             source_parent = source_node.get_parent()
@@ -646,16 +659,19 @@ class SSBOEditor:
             try:
                 inv_parent_mat.invert_in_place()
             except Exception:
-                    continue
+                return False
 
         local_mat = current_net_mat * inv_parent_mat
         try:
             source_node.set_mat(local_mat)
+            source_node.setTag("scene_transform_dirty", "true")
         except Exception:
             try:
                 source_node.setMat(local_mat)
+                source_node.setTag("scene_transform_dirty", "true")
             except Exception:
-                    continue
+                return False
+        return True
 
     def _resolve_source_node_by_tree_key(self, tree_key):
         """Resolve controller tree key (e.g. 0/1/2) to source_model_root node."""
@@ -1115,6 +1131,7 @@ class SSBOEditor:
                     target_snapshot = _clone_snapshot_for_target(source_snapshot, source_node)
                     if target_snapshot is not None:
                         apply_snapshot_fn(source_node, target_snapshot)
+                        source_node.setTag("scene_material_dirty", "true")
                         synced += 1
                         continue
                 except Exception:
@@ -1145,6 +1162,7 @@ class SSBOEditor:
             try:
                 if callable(set_src_state):
                     set_src_state(src_geom_index, runtime_geom_state)
+                    source_node.setTag("scene_material_dirty", "true")
                     synced += 1
             except Exception:
                 continue
@@ -1223,6 +1241,7 @@ class SSBOEditor:
         self.clear_selection()
         self._cleanup_group_proxy()
         self._reset_pick_sync_cache()
+        self._teardown_gpu_picking()
 
         controller = self.controller
         pick_model = getattr(controller, "pick_model", None) if controller else None
@@ -1440,6 +1459,7 @@ class SSBOEditor:
         keep_source_model=False,
         append=False,
         scene_package_import=False,
+        rebuild_runtime=True,
     ):
         """Load and process one model into the aggregated SSBO scene."""
         print(f"[SSBOEditor] Loading model: {model_path}")
@@ -1511,6 +1531,7 @@ class SSBOEditor:
             self.source_model = source_root
             self._restore_saved_material_bindings_from_tags(source_root)
             self._capture_source_child_base_mats()
+            if rebuild_runtime:
                 self._rebuild_runtime_from_source_root(highlight_root_name=None)
             if len(imported_roots) == 1:
                 return imported_roots[0]
@@ -1529,6 +1550,7 @@ class SSBOEditor:
             self.source_model = source_root
 
         self._capture_source_child_base_mats()
+        if rebuild_runtime:
             self._rebuild_runtime_from_source_root(highlight_root_name=unique_root_name)
         return imported_root
 
@@ -2106,7 +2128,8 @@ class SSBOEditor:
 
     def setup_gpu_picking(self):
         """Setup GPU Picking (Basic implementation)"""
-        # ... (Buffer setup code remains same) ...
+        self._teardown_gpu_picking()
+
         win_props = WindowProperties()
         win_props.set_size(1, 1)
         fb_props = FrameBufferProperties()
@@ -2169,6 +2192,35 @@ class SSBOEditor:
         self.pick_buffer.set_clear_color(Vec4(0, 0, 0, 0))
         self.pick_buffer.set_clear_color_active(True)
 
+    def _teardown_gpu_picking(self):
+        """Release old GPU picking resources before rebuilding them."""
+        pick_cam_np = getattr(self, "pick_cam_np", None)
+        if pick_cam_np is not None:
+            try:
+                if not pick_cam_np.is_empty():
+                    pick_cam_np.remove_node()
+            except Exception:
+                try:
+                    if not pick_cam_np.isEmpty():
+                        pick_cam_np.removeNode()
+                except Exception:
+                    pass
+        self.pick_cam_np = None
+        self.pick_cam = None
+        self.pick_lens = None
+
+        pick_buffer = getattr(self, "pick_buffer", None)
+        if pick_buffer is not None:
+            try:
+                self.base.graphicsEngine.remove_window(pick_buffer)
+            except Exception:
+                try:
+                    self.base.graphicsEngine.removeWindow(pick_buffer)
+                except Exception:
+                    pass
+        self.pick_buffer = None
+        self.pick_texture = None
+
     def _sync_pick_model_transform(self):
         """Sync pick-scene clone to current source model world transform."""
         if not self.controller or not self.model:
@@ -2744,6 +2796,7 @@ class SSBOEditor:
         try:
             self._clear_runtime_state(preserve_source_models=True)
             self._rebuild_runtime_from_source_root(highlight_root_name=None)
+            self.force_static_chunk_idle_state()
             if preserve_selection and selected_key and self.controller:
                 try:
                     if (
@@ -2759,6 +2812,74 @@ class SSBOEditor:
             print(f"[SSBOEditor] 从 source 刷新 runtime 失败: {e}")
             return False
 
+    def get_source_tree_stats(self):
+        root = getattr(self, "source_model_root", None)
+        stats = {
+            "valid": False,
+            "has_parent": False,
+            "hidden": False,
+            "stashed": False,
+            "descendants": 0,
+            "geom_nodes": 0,
+            "top_children": 0,
+            "parent_name": "",
+        }
+        if not self._node_is_valid(root):
+            return stats
+
+        stats["valid"] = True
+        try:
+            stats["has_parent"] = bool(root.has_parent())
+        except Exception:
+            pass
+        try:
+            stats["hidden"] = bool(root.is_hidden())
+        except Exception:
+            pass
+        try:
+            stats["stashed"] = bool(root.is_stashed())
+        except Exception:
+            pass
+        try:
+            parent = root.get_parent()
+            if parent and not parent.is_empty():
+                stats["parent_name"] = parent.get_name() or ""
+        except Exception:
+            pass
+        try:
+            stats["descendants"] = root.find_all_matches("**").get_num_paths()
+        except Exception:
+            pass
+        try:
+            stats["geom_nodes"] = len(list(root.find_all_matches("**/+GeomNode")))
+        except Exception:
+            pass
+        try:
+            stats["top_children"] = len([child for child in root.get_children() if not child.is_empty()])
+        except Exception:
+            pass
+        return stats
+
+    def force_static_chunk_idle_state(self):
+        """Force hybrid chunk runtime back to fully static idle mode."""
+        controller = getattr(self, "controller", None)
+        chunks = getattr(controller, "chunks", None) if controller else None
+        if not controller or not isinstance(chunks, dict) or not chunks:
+            return False
+
+        rebuilt = 0
+        for chunk_id in sorted(chunks):
+            try:
+                controller._rebuild_static_chunk(chunk_id)
+                controller._set_chunk_dynamic(chunk_id, False)
+                rebuilt += 1
+            except Exception:
+                continue
+
+        if rebuilt:
+            print(f"[SSBOEditor] Forced static idle chunks: {rebuilt}")
+        return rebuilt > 0
+
     def _sync_editor_selection_reference(self, node):
         selection = getattr(self.base, "selection", None)
         if not selection:
@@ -2819,6 +2940,7 @@ class SSBOEditor:
             self.clear_selection(sync_world_selection=False)
 
     def clear_selection(self, sync_world_selection=True):
+        self._snapshot_active_selection_transform_to_source()
         self._stop_pick_sync_task()
         self._reset_pick_sync_cache()
         self._cleanup_group_proxy()
@@ -2877,6 +2999,7 @@ class SSBOEditor:
         pass  # No selection mask texture needed without custom shader
 
     def select_node(self, key, sync_world_selection=True):
+        self._snapshot_active_selection_transform_to_source()
         # Clean up previous group proxy before changing selection
         self._cleanup_group_proxy()
         self._reset_pick_sync_cache()

ui/panels/app_actions.py

@@ -1540,6 +1540,10 @@ class AppActions:
         SSBO mode: load via SSBOEditor always (regardless of prefer_scene_manager).
         Legacy mode: load via SceneManager.
         """
+        try:
+            self._scene_tree_epoch = int(getattr(self, "_scene_tree_epoch", 0) or 0) + 1
+        except Exception:
+            self._scene_tree_epoch = 1
         animated_model = bool(file_path and self._model_file_has_animation(file_path))
         if animated_model:
             prefer_scene_manager = True
@@ -1584,6 +1588,77 @@ class AppActions:
             return self.scene_manager.importModel(file_path)
         return None
 
+    def _log_render_runtime_stats(self, label):
+        """Print renderer/task stats for import/open path comparison."""
+        try:
+            win = getattr(self, "win", None)
+            num_regions = win.getNumDisplayRegions() if win else 0
+            region_lines = []
+            if win:
+                for index in range(num_regions):
+                    try:
+                        dr = win.getDisplayRegion(index)
+                        camera = dr.getCamera()
+                        camera_name = "None"
+                        if camera and not camera.isEmpty():
+                            camera_name = camera.getName()
+                        region_lines.append(
+                            f"{index}:{dr.getSort()}:{int(bool(dr.isActive()))}:{camera_name}"
+                        )
+                    except Exception:
+                        continue
+
+            graphics_engine = getattr(self, "graphicsEngine", None)
+            num_windows = graphics_engine.getNumWindows() if graphics_engine else 0
+
+            render = getattr(self, "render", None)
+            camera_count = 0
+            special_camera_counts = {}
+            if render and not render.isEmpty():
+                try:
+                    camera_count = render.find_all_matches("**/+Camera").get_num_paths()
+                except Exception:
+                    camera_count = 0
+                for camera_name in (
+                    "gizmo_overlay_cam",
+                    "pick_camera",
+                    "selection_outline_mask_camera",
+                ):
+                    try:
+                        special_camera_counts[camera_name] = render.find_all_matches(
+                            f"**/{camera_name}"
+                        ).get_num_paths()
+                    except Exception:
+                        special_camera_counts[camera_name] = 0
+
+            task_mgr = getattr(self, "taskMgr", None) or getattr(self, "task_mgr", None)
+            task_names = []
+            if task_mgr:
+                try:
+                    task_names = [task.name for task in list(task_mgr.getTasks())]
+                except Exception:
+                    task_names = []
+            interesting_tasks = [
+                name for name in task_names
+                if (
+                    "gizmo" in str(name).lower()
+                    or "outline" in str(name).lower()
+                    or "pick" in str(name).lower()
+                    or "lui" in str(name).lower()
+                    or "canvas" in str(name).lower()
+                )
+            ]
+
+            print(
+                f"[RenderStats:{label}] regions={num_regions} windows={num_windows} "
+                f"render_cameras={camera_count} special={special_camera_counts} "
+                f"interesting_tasks={interesting_tasks}"
+            )
+            if region_lines:
+                print(f"[RenderStats:{label}] region_detail={' | '.join(region_lines)}")
+        except Exception:
+            pass
+
     def _import_model_with_menu_logic(
         self,
         file_path,
@@ -1667,6 +1742,16 @@ class AppActions:
 
             if show_success_message:
                 self.add_success_message(f"模型导入成功: {file_name}")
+            try:
+                ssbo_editor = getattr(self, "ssbo_editor", None)
+                controller = getattr(ssbo_editor, "controller", None) if ssbo_editor else None
+                if controller and hasattr(controller, "get_runtime_structure_stats"):
+                    print(f"[ManualImport] runtime_structure={controller.get_runtime_structure_stats()}")
+                if ssbo_editor and hasattr(ssbo_editor, "get_source_tree_stats"):
+                    print(f"[ManualImport] source_tree={ssbo_editor.get_source_tree_stats()}")
+            except Exception:
+                pass
+            self._log_render_runtime_stats("manual_import")
             return model_node
         except Exception as e:
             self.add_error_message(f"导入模型失败: {e}")

ui/panels/editor_panels_left.py

@@ -155,6 +155,12 @@ class EditorPanelsLeftMixin:
                 count += 1
         return count
 
+    def _get_scene_tree_epoch(self):
+        try:
+            return int(getattr(self.app, "_scene_tree_epoch", 0) or 0)
+        except Exception:
+            return 0
+
     def _ssbo_key_matches_scene_filter(self, controller, key):
         filter_text = self._get_scene_tree_filter()
         if not filter_text:
@@ -446,10 +452,11 @@ class EditorPanelsLeftMixin:
             obj_count = len(controller.name_to_ids.get(key, []))
         children = node_data["children"]
         is_selected = (getattr(ssbo_editor, "selected_name", None) == key)
+        tree_epoch = self._get_scene_tree_epoch()
 
         if not children:
             # Leaf node: selectable
-            label = f"{display} ({obj_count})##{key}"
+            label = f"{display} ({obj_count})##{tree_epoch}:{key}"
             if imgui.selectable(label, is_selected)[0]:
                 ssbo_editor.select_node(key)
                 if hasattr(self.app, "lui_manager"):
@@ -465,7 +472,7 @@ class EditorPanelsLeftMixin:
             flags = imgui.TreeNodeFlags_.open_on_arrow
             if is_selected:
                 flags |= imgui.TreeNodeFlags_.selected
-            label = f"{display} ({obj_count})##{key}"
+            label = f"{display} ({obj_count})##{tree_epoch}:{key}"
             opened = imgui.tree_node_ex(label, flags)
             if imgui.is_item_clicked(0):
                 ssbo_editor.select_node(key)
@@ -495,6 +502,7 @@ class EditorPanelsLeftMixin:
             obj_count = len(controller.name_to_ids.get(key, []))
         is_selected = (getattr(ssbo_editor, "selected_name", None) == key)
         children = list((virtual_node.get("children", {}) or {}).values())
+        tree_epoch = self._get_scene_tree_epoch()
 
         if display.strip().lower() == "root" and children:
             for child in children:
@@ -504,7 +512,7 @@ class EditorPanelsLeftMixin:
             return
 
         if not children:
-            label = f"{display} ({obj_count})##{key}"
+            label = f"{display} ({obj_count})##{tree_epoch}:{key}"
             if imgui.selectable(label, is_selected)[0]:
                 ssbo_editor.select_node(key)
                 if hasattr(self.app, "lui_manager"):
@@ -520,7 +528,7 @@ class EditorPanelsLeftMixin:
         flags = imgui.TreeNodeFlags_.open_on_arrow
         if is_selected:
             flags |= imgui.TreeNodeFlags_.selected
-        label = f"{display} ({obj_count})##{key}"
+        label = f"{display} ({obj_count})##{tree_epoch}:{key}"
         opened = imgui.tree_node_ex(label, flags)
         if imgui.is_item_clicked(0):
             ssbo_editor.select_node(key)