WIP new SceneTransition system

2025-07-10 19:07:46 +02:00
parent e8c24e18be
commit 16251db248
7 changed files with 271 additions and 69 deletions
@@ -0,0 +1,88 @@
+using Godot;
+
+namespace Babushka.scripts.CSharp.Common.SceneManagement;
+public partial class SceneTransitionThreaded : Node2D
+{
+    public static SceneTransitionThreaded Instance { get; private set; }
+    
+    // set to true if don't wanna use it
+    public bool userCodeLoadCompleted = true;
+
+    private ThreadedLoadingStateEn threadedLoadingState = ThreadedLoadingStateEn._none;
+    public enum ThreadedLoadingStateEn
+    {
+        _none,
+        _fading_in,
+        _loading,
+        _loading_user_code
+    }
+    
+    [Export] private AnimationPlayer animationPlayer;
+    private string scenePathThreaded = "";
+    
+    public override void _EnterTree()
+    {
+        Instance = this;
+    }
+    
+    public override void _Process(double delta)
+    {
+        CheckLoadThreaded();
+    }
+
+    private void CheckLoadThreaded()
+    {
+        if (scenePathThreaded == "")
+        { return; }
+
+        if (threadedLoadingState == ThreadedLoadingStateEn._loading && ResourceLoader.LoadThreadedGetStatus(scenePathThreaded) == ResourceLoader.ThreadLoadStatus.Loaded)
+        {
+            OnResourceLoadThreadedComplete();
+        }
+        else if (threadedLoadingState == ThreadedLoadingStateEn._loading_user_code && userCodeLoadCompleted)
+        {
+            OnResourceLoadThreadedCompleteUserCode();
+        }
+    }
+    
+    public async void ChangeSceneToFile(string scenePath)
+    {
+        animationPlayer.Play("fadeIn");
+        //yield(animationPlayer, "animation_finished");
+        await ToSignal(animationPlayer, "animation_finished");
+        GetTree().ChangeSceneToFile(scenePath);
+        animationPlayer.Play("fadeOut");
+    }
+
+    public void OnFadeInCompletedThreaded()
+    {
+        if (scenePathThreaded == "")
+        { return; }
+        
+        ResourceLoader.LoadThreadedRequest(scenePathThreaded);
+        threadedLoadingState = ThreadedLoadingStateEn._loading;
+    }
+    
+    // https://docs.godotengine.org/en/stable/tutorials/io/background_loading.html
+    public void ChangeSceneToFileThreaded(string scenePath)
+    {
+        scenePathThreaded = scenePath;
+        animationPlayer.Play("fadeIn");
+        threadedLoadingState = ThreadedLoadingStateEn._fading_in;
+    }
+    
+    private void OnResourceLoadThreadedComplete()
+    {
+        PackedScene loadedScene = (PackedScene)ResourceLoader.LoadThreadedGet(scenePathThreaded);
+        //Node sceneInstance = loadedScene.Instantiate();
+        GetTree().ChangeSceneToPacked(loadedScene);
+        threadedLoadingState = ThreadedLoadingStateEn._loading_user_code;
+    }
+
+    private void OnResourceLoadThreadedCompleteUserCode()
+    {
+        animationPlayer.Play("fadeOut");
+        scenePathThreaded = "";
+        threadedLoadingState = ThreadedLoadingStateEn._none;
+    }
+}
@@ -0,0 +1 @@
+uid://bo2jik2jtuqlw