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RPGCore/Editor/Drawers/ObjectModules/Event/EventModuleDrawer.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using RPGCore.ObjectModules.EventObjectModule;
+using RPGCoreCommon.Helpers;
+using UnityEditor;
+using UnityEditor.UIElements;
+using UnityEngine.UIElements;
+
+namespace RPGCore.Editor.Drawers.SceneModules.Event
+{
+    [CustomEditor(typeof(EventModule))]
+    public class EventModuleDrawer : UnityEditor.Editor
+    {
+        private class DrawerContext
+        {
+            public SerializedObject obj;
+            public List<Type> events = new();
+            public List<Type> preventableEvents = new();
+        }
+
+        public override VisualElement CreateInspectorGUI()
+        {
+            var root = new VisualElement();
+            
+            var property = serializedObject.GetIterator();
+
+            var enterChildren = true;
+            while (property.NextVisible(enterChildren))
+            {
+                root.Add(new PropertyField(property) { enabledSelf = property.name != "m_Script" });
+                enterChildren = false;
+            }
+            
+            root.Add(CreateEventList());
+            return root;
+        }
+
+        private VisualElement CreateEventList()
+        {
+            if (!EditorApplication.isPlaying)
+                return new HelpBox("Subscribed events preview available only in play mode.", HelpBoxMessageType.Info);
+            
+            var wrapper = new VisualElement();
+            
+            var list1 = new Foldout();
+            list1.text = "<b>Events</b> registered:";
+            list1.style.marginLeft = 12;
+            list1.Add(new Label("List empty."));
+            wrapper.Add(list1);
+            
+            var list2 = new Foldout();
+            list2.text = "<b>Preventable Events (before)</b> registered:";
+            list2.style.marginLeft = 12;
+            list2.Add(new Label("List empty."));
+            wrapper.Add(list2);
+            
+            var list3 = new Foldout();
+            list3.text = "<b>Preventable Events (after)</b> registered:";
+            list3.style.marginLeft = 12;
+            list3.Add(new Label("List empty."));
+            wrapper.Add(list3);
+
+            var context = new DrawerContext{obj = serializedObject};
+            wrapper.schedule.Execute(() => Refresh(context, list1, list2, list3)).Every(1000);
+
+            return wrapper;
+        }
+
+        private void Refresh(DrawerContext context, VisualElement list, VisualElement beforeList, VisualElement afterList)
+        {
+            var eventModule = context.obj.targetObject as EventModule;
+            RefreshList(context.events, eventModule.events, list);
+            RefreshList(context.preventableEvents, eventModule.preventableEvents.ToDictionary(pair => pair.Key, pair => pair.Value[0]), beforeList);
+            RefreshList(context.preventableEvents, eventModule.preventableEvents.ToDictionary(pair => pair.Key, pair => pair.Value[1]), afterList);
+            
+            context.events = eventModule.events.Keys.ToList();
+            context.preventableEvents = eventModule.preventableEvents.Keys.ToList();
+        }
+
+        private void RefreshList(List<Type> before, Dictionary<Type, Delegate> after, VisualElement list)
+        {
+            var toRemove = before.Except(after.Keys).ToList();
+            var toAdd = after.Keys.Except(before).ToList();
+
+            if (!toRemove.Any() && !toAdd.Any()) return;
+
+            list.Clear();
+            after.DictSelect((type, action) =>
+            {
+                var row = new VisualElement();
+                row.style.flexDirection = FlexDirection.Row;
+                row.Add(new HelpBox { text = type.Name });
+
+                var callers = action?.GetInvocationList().Select(a => $"{a.Target.GetType().Name} : {a.Method.Name}").StringJoin("\n");
+                if (string.IsNullOrEmpty(callers)) callers = "<u>No registered callers</u>";
+                row.Add(string.IsNullOrEmpty(callers) ? new Label() : new HelpBox { text = callers });
+                
+                return row;
+                
+            }).ForEach(list.Add);
+
+            if (!after.Any()) list.Add(new Label("List empty."));
+        }
+    }
+}

RPGCore/Editor/Drawers/ObjectModules/Event/EventModuleDrawer.cs.meta

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+fileFormatVersion: 2
+guid: 3379740cce21445b882d2175c6f699ce
+timeCreated: 1761919852