Boss phase animations

Scripts/Actors/Boss.cs

@@ -1,4 +1,6 @@
-using Cirno.Scripts.Resources;
+using System.Threading.Tasks;
+using Cirno.Scripts.Resources;
+using Cirno.Scripts.UI;
 using Godot;
 using Godot.Collections;
 
@@ -12,13 +14,18 @@ public partial class Boss : Enemy, IActivable
     private bool _started = false;
 
     private GameManager _gameManager;
-
+    public GameManager GameManager => _gameManager;
     private Vector2 _homePosition;
     public Vector2 HomePosition => _homePosition;
-    
-    public GameManager GameManager => _gameManager;
-    
     private BossPhase CurrentPhase => Phases[currentPhaseIndex];
+
+    // [Export]
+    // private PackedScene _bossPhaseAnimationPrefab;
+
+    private TextureRect _animationTextureRect;
+    
+    [Export]
+    private Texture2D _bossPortraitTexture;
     
     public override void _Ready()
     {
@@ -26,6 +33,29 @@ public partial class Boss : Enemy, IActivable
         _gameManager = this.GetGameManager();
 
         _homePosition = this.GlobalPosition;
+
+        if (_bossPortraitTexture is not null)
+        {
+            var canvas = new CanvasLayer();
+            canvas.Name = "BossPhaseAnimationCanvas";
+           
+            _gameManager.CallDeferred("add_child", canvas);
+
+            _animationTextureRect = new TextureRect();
+            _animationTextureRect.Texture = _bossPortraitTexture;
+  
+            canvas.CallDeferred("add_child", _animationTextureRect);
+            
+            //canvas.AddChild(animationTextureRect);
+            
+            _animationTextureRect.Position = new Vector2(180, 10);
+
+            _animationTextureRect.Visible = false;
+
+            //var animation = _bossPhaseAnimationPrefab.Instantiate<BossPhaseAnimation>();
+
+//            _gameManager.AddChild(animation);
+        }
     }
 
     public override void _Process(double delta)
@@ -45,7 +75,14 @@ public partial class Boss : Enemy, IActivable
     
     private void StartPhase(BossPhase phase)
     {
-        phase.Start(this);
+        if (phase.PlayAnimation)
+        {
+            _ = Switchphase(phase);
+        }
+        else
+        {
+            phase.Start(this);
+        }
     }
 
     public void TakeDamage(int amount)
@@ -60,4 +97,34 @@ public partial class Boss : Enemy, IActivable
         _started = true;
         StartPhase(CurrentPhase);
     }
+
+    private async Task Switchphase(BossPhase phase)
+    {
+        await PlayAnimation();
+        
+        phase.Start(this);
+    }
+
+    private async Task PlayAnimation()
+    {
+        _animationTextureRect.Modulate = new Color(_animationTextureRect.Modulate.R, _animationTextureRect.Modulate.G, _animationTextureRect.Modulate.B, 0f);
+        _animationTextureRect.Visible = true;
+        
+        var tween = GetTree().CreateTween();
+        tween.SetEase(Tween.EaseType.InOut);
+        tween.SetTrans(Tween.TransitionType.Linear);
+        
+        tween.TweenProperty(_animationTextureRect, "modulate:a", 1f, 0.2f);
+        
+        tween.TweenProperty(_animationTextureRect, "global_position", _animationTextureRect.GlobalPosition + new Vector2(-64f, 20f), 1.5f);
+        
+        tween.TweenProperty(_animationTextureRect, "modulate:a", 0f, 0.2f);
+        
+        //await Task.Delay(800);
+        
+        // Wait for the tween to finish
+        await ToSignal(tween, "finished");
+        
+        _animationTextureRect.Visible = false;
+    }
 }

Scripts/Hud.cs

@@ -29,7 +29,7 @@ public partial class Hud : CanvasLayer
 	[Export] private LabelSettings _labelSettings;
 
 	private Dictionary<string, HudItem> _items = new();
-
+	
 	public override void _Ready()
 	{
 		// Assuming the HUD has a Label node named "HealthLabel"

Scripts/Resources/BossPhase.cs

@@ -8,6 +8,7 @@ namespace Cirno.Scripts.Resources;
 public partial class BossPhase : Resource
 {
     [Export] public int Threshold;
+    [Export] public bool PlayAnimation;
     [Export] public Array<AttackPattern> Patterns;
 
     private int currentPatternIndex = 0;

Scripts/UI/BossPhaseAnimation.cs

@@ -0,0 +1,8 @@
+using Godot;
+
+namespace Cirno.Scripts.UI;
+
+public partial class BossPhaseAnimation : TextureRect
+{
+    
+}