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Assets/Plugins/MeshCombineStudio/Editor/LODGroupSetupEditor.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace MeshCombineStudio
+{
+    [CustomEditor(typeof(LODGroupSetup))]
+    public class LODGroupSetupEditor : Editor
+    {
+        LODGroupSetup lodGroupSetup;
+        LOD[] oldLods;
+        bool animateCrossFadingOld;
+        LODFadeMode fadeModeOld;
+
+        void OnEnable()
+        {
+            lodGroupSetup = (LODGroupSetup)target;
+            LODGroup lodGroup = lodGroupSetup.lodGroup;
+
+            oldLods = lodGroup.GetLODs();
+            animateCrossFadingOld = lodGroup.animateCrossFading;
+            fadeModeOld = lodGroup.fadeMode;
+
+            UnityEditor.EditorApplication.update += MyUpdate;
+        }
+
+        void OnDisable()
+        {
+            UnityEditor.EditorApplication.update -= MyUpdate;
+        }
+
+        void MyUpdate()
+        {
+            LODGroup lodGroup = lodGroupSetup.lodGroup;
+            lodGroup.size = lodGroupSetup.meshCombiner.cellSize;
+            LOD[] lods = lodGroup.GetLODs();
+
+            if (lods.Length != oldLods.Length)
+            {
+                Debug.LogError("Mesh Combine Studio -> Please don't change the amount of LODs, this is just a dummy LOD Group to apply settings to the LOD Groups in all children.");
+                lodGroup.SetLODs(oldLods);
+                return;
+            }
+
+            bool hasChanged = false;
+
+            if (lodGroup.animateCrossFading != animateCrossFadingOld || lodGroup.fadeMode != fadeModeOld)
+            {
+                hasChanged = true;
+            }
+            else
+            {
+                for (int i = 0; i < lods.Length; i++)
+                {
+                    if (lods[i].renderers.Length != 0)
+                    {
+                        Debug.LogError("Mesh Combine Studio -> Please don't add any renderes, this is just a dummy LOD Group to apply settings to the LOD Groups in all children.");
+                        lods[i].renderers = null;
+                        lodGroup.SetLODs(lods);
+                        return;
+                    }
+                    if (lods[i].screenRelativeTransitionHeight != oldLods[i].screenRelativeTransitionHeight) { hasChanged = true; break; }
+                    if (lods[i].fadeTransitionWidth != oldLods[i].fadeTransitionWidth) { hasChanged = true; break; }
+                }
+            }
+
+            if (hasChanged)
+            {
+                lodGroupSetup.ApplySetup();
+                oldLods = lods;
+            }
+        }
+
+        public override void OnInspectorGUI()
+        {
+            GUIDraw.DrawSpacer();
+            GUI.color = Color.red;
+            EditorGUILayout.BeginVertical("Box");
+            GUI.color = Color.white;
+            GUIDraw.Label("Modifications to this LOD Group will apply to all children", 12);
+            EditorGUILayout.EndVertical();
+            GUIDraw.DrawSpacer();
+            
+        }
+    }
+}