Destroyable chests

Scripts/Components/Actors/GenericDamageReceiver.cs

@@ -0,0 +1,65 @@
+using System.Linq;
+using Cirno.Scripts.Resources;
+using Godot;
+using Godot.Collections;
+
+namespace Cirno.Scripts.Components.Actors;
+
+public partial class GenericDamageReceiver : Area2D, IHittable
+{
+    [Export] public ActorResourceProvider HealthProvider { get; private set; }
+
+    [Export] public bool Invulnerable { get; private set; } = false;
+
+    [Export] public BulletOwner BulletGroup { get; set; } = BulletOwner.None;
+
+    [Export] public PackedScene Debris { get; set; }
+    
+    [Export] public Array<DamageResistance> DamageResistances { get; set; } = [];
+    
+    private Node2D _parent;
+    
+    public override void _Ready()
+    {
+        _parent = GetParent<Node2D>();
+        HealthProvider.FillResource();
+        HealthProvider.ResourceDepleted += OnDeath;
+    }
+    
+    private void _on_damage_hitbox_area_entered(Area2D area)
+    {
+        if (Invulnerable) return;
+        if (area is not Bullet bullet) return;
+
+        if (BulletGroup is BulletOwner.None)
+        {
+            this.Hit(bullet.Damage, bullet.DamageType);
+            bullet.RequestCollisionDestruction();
+            return;
+        }
+
+        if (bullet.BulletInfo.Owner == BulletGroup) return; 
+        
+        this.Hit(bullet.Damage, bullet.DamageType);
+        bullet.RequestCollisionDestruction();
+    }
+    
+    public void Hit(float damage, DamageType damageType = DamageType.Neutral)
+    {
+        if (Invulnerable) return;
+
+        var dmg = DamageResistances.Aggregate(damage, (current, resistance) => current * resistance.CalculateDamage(current, damageType));
+
+        HealthProvider.CurrentResource -= dmg;
+    }
+    
+    private void OnDeath()
+    {
+        if (Debris is not null)
+        {
+            _parent.CreateSibling<Node2D>(Debris);
+        }
+        
+        _parent.QueueFree();
+    }
+}