优化，改bug

Signed-off-by: TRADER_FOER <lhf190@outlook.com>

Assets/Scripts/Manager/OperationManager.cs

@@ -25,6 +25,9 @@ namespace Ichni.Editor
 
         public void AddSelectElement(GameElement gameElement)
         {
+            if (gameElement == null || gameElement.connectedTab == null) return;
+            if (currentSelectedElements.Contains(gameElement)) return;
+
             currentSelectedElements.Add(gameElement);
 
             gameElement.connectedTab.isSelected = true;
@@ -36,8 +39,12 @@ namespace Ichni.Editor
 
         public void RemoveSelectElement(GameElement gameElement)
         {
+            if (gameElement == null) return;
+
             currentSelectedElements.Remove(gameElement);
 
+            if (gameElement.connectedTab == null) return;
+
             gameElement.connectedTab.isSelected = false;
             if (gameElement.connectedTab.BgImage != null)
             {
@@ -47,6 +54,7 @@ namespace Ichni.Editor
 
         public void ClearSelectedElements()
         {
+            currentSelectedElements.RemoveAll(gameElement => gameElement == null);
             currentSelectedElements.ForEach(gameElement =>
             {
                 if (gameElement == null || gameElement.connectedTab == null) return;
@@ -108,12 +116,24 @@ namespace Ichni.Editor
 
         public void CopyElement(GameElement gameElement)
         {
+            if (gameElement == null)
+            {
+                LogWindow.Log("No element selected to copy.", Color.red);
+                return;
+            }
+
             LogWindow.Log("Copied element: " + gameElement.elementName);
             copiedElement = gameElement;
         }
 
         public void PasteElement(GameElement parentElement)
         {
+            if (parentElement == null)
+            {
+                LogWindow.Log("No parent element selected to paste.", Color.red);
+                return;
+            }
+
             if (copiedElement == null)
             {
                 LogWindow.Log("No element copied.");
@@ -128,6 +148,7 @@ namespace Ichni.Editor
             // 与 EditorManager.LoadProject 的加载后流程对齐，确保 Manager 注册等关键步骤不遗漏。
             foreach (GameElement pasted in pastedElementList)
             {
+                if (pasted == null) continue;
                 pasted.AfterInitialize();
                 pasted.Refresh();
             }
@@ -135,6 +156,12 @@ namespace Ichni.Editor
 
         public void DeleteElement(GameElement gameElement)
         {
+            if (gameElement == null)
+            {
+                LogWindow.Log("No element selected to delete.", Color.red);
+                return;
+            }
+
             LogWindow.Log("Deleted element: " + gameElement.elementName + " and all its children.");
 
             if (gameElement.parentElement != null)
@@ -144,6 +171,7 @@ namespace Ichni.Editor
                 gameElement.parentElement.connectedTab.SetStatus();
             }
 
+            EditorManager.instance.operationManager.RemoveSelectElement(gameElement);
             gameElement.Delete();
             EditorManager.instance.uiManager.inspector.ClearInspector();
         }
@@ -156,17 +184,38 @@ namespace Ichni.Editor
         /// <returns></returns>
         private void AffiliatedPaste(GameElement gameElement, GameElement parent)
         {
+            if (gameElement == null || parent == null) return;
+
             gameElement.SaveBM();
-            GameElement pastedElement = (gameElement.matchedBM as GameElement_BM).DuplicateBM(parent);
+            if (gameElement.matchedBM is not GameElement_BM gameElementBM)
+            {
+                LogWindow.Log("Paste failed: " + gameElement.elementName + " did not create a valid BM.", Color.red);
+                return;
+            }
+
+            GameElement pastedElement = gameElementBM.DuplicateBM(parent);
+            if (pastedElement == null)
+            {
+                LogWindow.Log("Paste failed: " + gameElement.elementName + " could not be duplicated.", Color.red);
+                return;
+            }
+
             pastedElementList.Add(pastedElement);
 
-            gameElement.submoduleList.ForEach(submodule =>
-            {
-                Debug.Log(submodule.GetType() + " is pasted.");
-                submodule.SaveBM();
-                try { (submodule.matchedBM as Submodule_BM).DuplicateBM(pastedElement); }
-                catch { Debug.LogWarning("Submodule paste error: " + submodule.GetType()); }
-            });
+            gameElement.submoduleList.ForEach(submodule =>
+            {
+                if (submodule == null) return;
+                Debug.Log(submodule.GetType() + " is pasted.");
+                submodule.SaveBM();
+                if (submodule.matchedBM is not Submodule_BM submoduleBM) return;
+
+                SubmoduleBase existingSubmodule = pastedElement.submoduleList
+                    .FirstOrDefault(pastedSubmodule => pastedSubmodule != null && pastedSubmodule.GetType() == submodule.GetType());
+                existingSubmodule?.Delete();
+
+                try { submoduleBM.DuplicateBM(pastedElement); }
+                catch { Debug.LogWarning("Submodule paste error: " + submodule.GetType()); }
+            });
 
             if (gameElement.childElementList != null)
             {
@@ -178,4 +227,4 @@ namespace Ichni.Editor
             }
         }
     }
-}
+}

Assets/Scripts/Manager/PostProcessingManager.cs

@@ -17,5 +17,16 @@ namespace Ichni
         
         [ShowInInspector, SerializeField]
         private Volume globalVolume;
+
+        public static void EnsureActiveCameraPostProcessing()
+        {
+            Camera camera = EditorManager.instance?.cameraManager?.currentCamera;
+            if (camera == null) return;
+
+            UniversalAdditionalCameraData cameraData = camera.GetComponent<UniversalAdditionalCameraData>();
+            if (cameraData == null) return;
+
+            cameraData.renderPostProcessing = true;
+        }
     }
-}
+}