Fix missing game scripts types when starting editor from IDE with -skipCompile arg

Source/Editor/Modules/SourceCodeEditing/CodeEditingModule.cs

@@ -270,6 +270,7 @@ namespace FlaxEditor.Modules.SourceCodeEditing
         {
             ScriptsBuilder.ScriptsReload += OnScriptsReload;
             ScriptsBuilder.ScriptsReloadEnd += OnScriptsReloadEnd;
+            ScriptsBuilder.ScriptsLoaded += OnScriptsLoaded;
             Editor.Options.OptionsChanged += OnOptionsChanged;
 
             // Add default code editors (in-build)
@@ -340,6 +341,7 @@ namespace FlaxEditor.Modules.SourceCodeEditing
 
             ScriptsBuilder.ScriptsReload -= OnScriptsReload;
             ScriptsBuilder.ScriptsReloadEnd -= OnScriptsReloadEnd;
+            ScriptsBuilder.ScriptsLoaded -= OnScriptsLoaded;
         }
 
         /// <summary>
@@ -375,6 +377,12 @@ namespace FlaxEditor.Modules.SourceCodeEditing
             OnTypesChanged();
         }
 
+        private void OnScriptsLoaded()
+        {
+            // Clear any state with engine-only types
+            ClearTypes();
+        }
+
         private static bool IsTypeValidScriptingType(ScriptType t)
         {
             return !t.IsGenericType && !t.IsAbstract && !t.HasAttribute(typeof(HideInEditorAttribute), false);

Source/Editor/Scripting/ScriptsBuilder.cpp

@@ -37,6 +37,7 @@ enum class EventType
     ReloadBegin = 5,
     Reload = 6,
     ReloadEnd = 7,
+    ScriptsLoaded = 8,
 };
 
 struct EventData
@@ -74,6 +75,7 @@ namespace ScriptsBuilderImpl
     void onScriptsReloadStart();
     void onScriptsReload();
     void onScriptsReloadEnd();
+    void onScriptsLoaded();
 
     void GetClassName(const MString& fullname, MString& className);
 
@@ -203,6 +205,11 @@ void ScriptsBuilderImpl::onScriptsReloadEnd()
     CallEvent(EventType::ReloadEnd);
 }
 
+void ScriptsBuilderImpl::onScriptsLoaded()
+{
+    CallEvent(EventType::ScriptsLoaded);
+}
+
 void ScriptsBuilder::Compile()
 {
     ScopeLock scopeLock(_locker);
@@ -550,6 +557,7 @@ bool ScriptsBuilderService::Init()
     Level::ScriptsReloadStart.Bind(onScriptsReloadStart);
     Level::ScriptsReload.Bind(onScriptsReload);
     Level::ScriptsReloadEnd.Bind(onScriptsReloadEnd);
+    Scripting::ScriptsLoaded.Bind(onScriptsLoaded);
 
     // Listen to code editors manager events
     CodeEditingManager::AsyncOpenBegin.Bind(onCodeEditorAsyncOpenBegin);

Source/Editor/Scripting/ScriptsBuilder.cs

@@ -66,6 +66,11 @@ namespace FlaxEditor
         /// </summary>
         public static event Action ScriptsReloadEnd;
 
+        /// <summary>
+        /// Occurs when engine loads game scripts.
+        /// </summary>
+        public static event Action ScriptsLoaded;
+
         /// <summary>
         /// Occurs when code editor starts asynchronous open a file or a solution.
         /// </summary>
@@ -86,6 +91,7 @@ namespace FlaxEditor
             ReloadBegin = 5,
             Reload = 6,
             ReloadEnd = 7,
+            ScriptsLoaded = 8,
         }
 
         internal static void Internal_OnEvent(EventType type)
@@ -118,6 +124,9 @@ namespace FlaxEditor
             case EventType.ReloadEnd:
                 ScriptsReloadEnd?.Invoke();
                 break;
+            case EventType.ScriptsLoaded:
+                ScriptsLoaded?.Invoke();
+                break;
             }
         }