Damage actor handler

Scenes/Actors/4WayActorEnemyTest.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=14 format=3 uid="uid://bc054js8ep2b"]
+[gd_scene load_steps=16 format=3 uid="uid://bc054js8ep2b"]
 
 [ext_resource type="Script" path="res://Scripts/Components/Actors/Actor.cs" id="1_ugrra"]
 [ext_resource type="SpriteFrames" uid="uid://ch2ll1on8im2p" path="res://Resources/Sprites/FairyGuard.tres" id="2_i2plx"]
@@ -11,6 +11,7 @@
 [ext_resource type="Script" path="res://Scripts/Components/Actors/ActorResourceProvider.cs" id="9_fyr27"]
 [ext_resource type="PackedScene" uid="uid://cj63k0dmk7tl1" path="res://Scenes/Weapons/enemy_weapon_base.tscn" id="10_yktta"]
 [ext_resource type="Resource" uid="uid://cdfmedtgp2rcn" path="res://Resources/Weapons/EnemyWeapon.tres" id="11_kuimj"]
+[ext_resource type="Script" path="res://Scripts/Components/Actors/DamageReceiverActorModule.cs" id="12_fu5g7"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_2b36v"]
 radius = 5.0
@@ -18,6 +19,9 @@ radius = 5.0
 [sub_resource type="CircleShape2D" id="CircleShape2D_sthwe"]
 radius = 85.0529
 
+[sub_resource type="CircleShape2D" id="CircleShape2D_0tkae"]
+radius = 5.09902
+
 [node name="ActorEnemyTest" type="CharacterBody2D"]
 collision_layer = 16
 collision_mask = 113
@@ -71,10 +75,24 @@ debug_path_custom_color = Color(1, 0, 0, 1)
 [node name="HealthProvider" type="Node2D" parent="."]
 script = ExtResource("9_fyr27")
 ResourceName = "Health"
+MaxResource = 4.0
 
 [node name="EnemyWeapon" parent="." instance=ExtResource("10_yktta")]
 WeaponData = ExtResource("11_kuimj")
 
+[node name="DamageReceiver" type="Node2D" parent="." node_paths=PackedStringArray("HealthProvider")]
+script = ExtResource("12_fu5g7")
+HealthProvider = NodePath("../HealthProvider")
+BulletGroup = 2
+
+[node name="Area2D" type="Area2D" parent="DamageReceiver"]
+collision_layer = 16
+collision_mask = 8
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="DamageReceiver/Area2D"]
+shape = SubResource("CircleShape2D_0tkae")
+
 [connection signal="area_entered" from="PlayerDetection" to="PlayerDetection" method="_on_area_entered"]
 [connection signal="area_exited" from="PlayerDetection" to="PlayerDetection" method="_on_area_exited"]
 [connection signal="velocity_computed" from="NavigationAgent2D" to="NavigationMovementProvider" method="_on_navigation_agent_2d_velocity_computed"]
+[connection signal="area_entered" from="DamageReceiver/Area2D" to="DamageReceiver" method="_on_damage_hitbox_area_entered"]

Scripts/Components/Actors/Actor.cs

@@ -16,6 +16,8 @@ public partial class Actor : CharacterBody2D
 
     private List<ActorModule> _modules = new();
     
+    public bool IsDestroyed { get; set; }
+
     public override void _Ready()
     {
         _gameManager = this.GetGameManager();

Scripts/Components/Actors/ActorFreeMovement.cs

@@ -17,6 +17,8 @@ public partial class ActorFreeMovement : MovementHandler
         set => _parent.MovementDirection = value;
     }
     
+    public bool IsDestroyed => _parent.IsDestroyed;
+
     public override void Init(Actor parent) 
     {
         base.Init(parent);
@@ -32,6 +34,8 @@ public partial class ActorFreeMovement : MovementHandler
 
     public override void PhysicsUpdate(double delta)
     {
+        if (IsDestroyed) return;
+        
         MovementDirection = AggregateInputProviders().Normalized();
 
         var aimingDirection = GetAimingDirection().Normalized();

Scripts/Components/Actors/AnimationHandler.cs

@@ -10,6 +10,8 @@ public partial class AnimationHandler : ActorModule
     
     protected Actor _parent;
     
+    public bool IsDestroyed => _parent.IsDestroyed;
+    
     public override void Init(Actor parent)
     {
         _parent = parent;
@@ -25,6 +27,8 @@ public partial class AnimationHandler : ActorModule
 
     public override void Update(double delta)
     {
+        if (IsDestroyed) return;
+        
         var direction = _parent.FacingDirection; //GetSnappedDirection();
         
         if (_parent.Velocity.Length() > 0)
@@ -38,7 +42,6 @@ public partial class AnimationHandler : ActorModule
             _animatedSprite.Play("walk_" + DirectionToString(direction));
             _animatedSprite.SpeedScale = 0;
         }
-
     }
 
     public override void PhysicsUpdate(double delta)

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");
+    }
+}

Scripts/Components/Actors/EnemyNavigationMovement.cs

@@ -19,6 +19,8 @@ public partial class EnemyNavigationMovement : MovementHandler
         set => _parent.MovementDirection = value;
     }
 
+    public bool IsDestroyed => _parent.IsDestroyed;
+
     [Export] private bool _navigationEnabled = false;
 
     [Export] public float AlarmReactRange = 200f;
@@ -83,6 +85,7 @@ public partial class EnemyNavigationMovement : MovementHandler
 
     public override void PhysicsUpdate(double delta)
     {
+        if (IsDestroyed) return;
         if (_actorAi.Ai is not AiState.Enabled)
             return;
         
@@ -149,7 +152,6 @@ public partial class EnemyNavigationMovement : MovementHandler
                         Shoot();
                     }
                 }
-
                 break;
         }
     }

Scripts/Components/Actors/EnemyPossessionMovement.cs

@@ -4,7 +4,7 @@ public partial class EnemyPossessionMovement : ActorFreeMovement
 {
 
     private ActorAi _actorAi;
-
+    public bool IsDestroyed => _parent.IsDestroyed;
     // State accessor
 
     public override void Init(Actor parent)
@@ -16,6 +16,7 @@ public partial class EnemyPossessionMovement : ActorFreeMovement
 
     public override void PhysicsUpdate(double delta)
     {
+        if (IsDestroyed) return;
         if (_actorAi.Ai is AiState.Controlled) 
             base.PhysicsUpdate(delta);
     }