Damage actor handler

Scripts/Components/Actors/DamageReceiverActorModule.cs

@@ -0,0 +1,66 @@
+using Godot;
+
+namespace Cirno.Scripts.Components.Actors;
+
+public partial class DamageReceiverActorModule : ActorModule
+{
+    protected Actor _actor;
+    
+    [Export]
+    public ActorResourceProvider HealthProvider { get; private set; }
+    
+    [Export]
+    public bool Invulnerable { get; private set; } = false;
+
+    [Export] protected BulletOwner BulletGroup { get; set; } = BulletOwner.None;
+    
+    public override void Init(Actor actor)
+    {
+        _actor = actor;
+        
+        HealthProvider.ResourceDepleted += OnDeath;
+    }
+
+    public override void Update(double delta)
+    {
+        
+    }
+
+    public override void PhysicsUpdate(double delta)
+    {
+        
+    }
+    
+    private void _on_damage_hitbox_area_entered(Area2D area)
+    {
+        if (_actor.IsDestroyed) return;
+        if (Invulnerable) return;
+        if (area is not Bullet bullet) return;
+
+        if (BulletGroup is BulletOwner.None)
+        {
+            this.Hit(bullet.Damage);
+            bullet.RequestCollisionDestruction();
+            return;
+        }
+
+        if (bullet.BulletInfo.Owner == BulletGroup) return; 
+        
+        this.Hit(bullet.Damage);
+        bullet.RequestCollisionDestruction();
+    }
+    
+    public void Hit(float damage, DamageType damageType = DamageType.Neutral)
+    {
+        if (_actor.IsDestroyed) return;
+        if (Invulnerable) return;
+		
+        HealthProvider.CurrentResource -= damage;
+    }
+    
+    protected void OnDeath()
+    {
+        _actor.IsDestroyed = true;
+        GD.Print("Actor dead");
+    }
+}