Danmaku system

Scripts/Actors/Boss.cs

@@ -0,0 +1,54 @@
+using Cirno.Scripts.Resources;
+using Godot;
+using Godot.Collections;
+
+namespace Cirno.Scripts.Actors;
+
+public partial class Boss : Enemy
+{
+    [Export] private Array<BossPhase> Phases;
+    private int currentPhaseIndex = 0;
+
+    private GameManager _gameManager;
+
+    private Vector2 _homePosition;
+    public Vector2 HomePosition => _homePosition;
+    
+    public GameManager GameManager => _gameManager;
+    
+    private BossPhase CurrentPhase => Phases[currentPhaseIndex];
+    
+    public override void _Ready()
+    {
+        base._Ready();
+        _gameManager = GetNode<GameManager>("/root/GameScene");
+
+        _homePosition = this.GlobalPosition;
+        
+        StartPhase(CurrentPhase);
+    }
+
+    public override void _Process(double delta)
+    {
+        base._Process(delta);
+        
+        CurrentPhase.UpdatePhase(delta);
+        if (_currentHealth <= CurrentPhase.Threshold && currentPhaseIndex + 1 < Phases.Count)
+        {
+            currentPhaseIndex++;
+            StartPhase(CurrentPhase);
+        }
+        
+    }
+    
+    private void StartPhase(BossPhase phase)
+    {
+        phase.Start(this);
+    }
+
+    public void TakeDamage(int amount)
+    {
+        _currentHealth -= amount;
+    }
+    
+}