Load scene specified in -game argument.

Source/Editor/Editor.cs

@@ -271,10 +271,14 @@ namespace FlaxEditor
                 module.OnEndInit();
         }
 
-        internal void Init(bool isHeadless, bool skipCompile)
+        private Guid _startupSceneArgument;
+        
+        internal void Init(bool isHeadless, bool skipCompile, Guid sceneId)
         {
+            Debug.Log("sceneId string : " + JsonSerializer.GetStringID(sceneId));
             EnsureState<LoadingState>();
             _isHeadlessMode = isHeadless;
+            _startupSceneArgument = sceneId;
             Log("Editor init");
             if (isHeadless)
                 Log("Running in headless mode");
@@ -332,6 +336,17 @@ namespace FlaxEditor
             }
 
             // Load scene
+            
+            // scene cmd line argument
+            var scene = ContentDatabase.Find(_startupSceneArgument);
+            if (scene is SceneItem)
+            {
+                Editor.Log("Loading scene specified in command line");
+                Scene.OpenScene(_startupSceneArgument);
+                return;
+            }
+
+            // if no scene cmd line argument is provided
             var startupSceneMode = Options.Options.General.StartupSceneMode;
             if (startupSceneMode == GeneralOptions.StartupSceneModes.LastOpened && !ProjectCache.HasCustomData(ProjectDataLastScene))
             {

Source/Editor/Managed/ManagedEditor.cpp

@@ -210,7 +210,7 @@ ManagedEditor::~ManagedEditor()
 void ManagedEditor::Init()
 {
     // Note: editor modules should perform quite fast init, any longer things should be done in async during 'editor splash screen time
-    void* args[2];
+    void* args[3];
     MClass* mclass = GetClass();
     if (mclass == nullptr)
     {
@@ -231,6 +231,12 @@ void ManagedEditor::Init()
     bool skipCompile = CommandLine::Options.SkipCompile.IsTrue();
     args[0] = &isHeadless;
     args[1] = &skipCompile;
+    Guid sceneId;
+    if (Guid::Parse(CommandLine::Options.Game.GetValue(), sceneId))
+    {
+        sceneId = Guid::Empty;
+    }
+    args[2] = CommandLine::Options.Game.HasValue() ? &sceneId : nullptr;
     initMethod->Invoke(instance, args, &exception);
     if (exception)
     {