Destroyable chests

Scenes/Barrel.cs

@@ -1,8 +1,10 @@
 using Godot;
 using System;
 using System.Diagnostics;
+using System.Linq;
 using Cirno.Scripts;
 using Cirno.Scripts.Resources;
+using Godot.Collections;
 
 public partial class Barrel : Area2D, IDestructible
 {
@@ -19,6 +21,7 @@ public partial class Barrel : Area2D, IDestructible
 	[Export] public BulletResource ExplosionData { get; set; }
 
 	[Export] public BulletOwner BulletGroup { get; set; } = BulletOwner.None;
+	[Export] public Array<DamageResistance> DamageResistances { get; set; } = [];
 
 	[ExportCategory("On Death Activation")]
 	[Export]
@@ -136,7 +139,9 @@ public partial class Barrel : Area2D, IDestructible
 	{
 		if (_isDestroyed || Indestructible) return;
 		
-		_currentHealth -= damage;
+		var dmg = DamageResistances.Aggregate(damage, (current, resistance) => current * resistance.CalculateDamage(current, damageType));
+		
+		_currentHealth -= dmg;
 		if (_currentHealth > 0) return;
 		_isDestroyed = true;
 		Explode();

Scenes/Interactable/Chest.tscn

@@ -1,7 +1,10 @@
-[gd_scene load_steps=12 format=3 uid="uid://djf0y08ix66fn"]
+[gd_scene load_steps=16 format=3 uid="uid://djf0y08ix66fn"]
 
 [ext_resource type="Script" uid="uid://cqh7bh0s374ac" path="res://Scripts/Chest.cs" id="1_cwpn7"]
 [ext_resource type="Texture2D" uid="uid://qeh4ai8h6sw5" path="res://Sprites/Chest.png" id="2_w7a1a"]
+[ext_resource type="Script" uid="uid://cqwvssstkrdmw" path="res://Scripts/Components/Actors/ActorResourceProvider.cs" id="3_s8kek"]
+[ext_resource type="Script" uid="uid://cq3hkweplldbr" path="res://Scripts/Components/Actors/GenericDamageReceiver.cs" id="3_u7mm1"]
+[ext_resource type="PackedScene" uid="uid://b57ep58h4bs3l" path="res://Scenes/Props/Chest_Broken.tscn" id="4_7lp3q"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_ihal6"]
 radius = 16.0
@@ -74,6 +77,9 @@ animations = [{
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_isrvb"]
 size = Vector2(12, 10)
 
+[sub_resource type="CircleShape2D" id="CircleShape2D_7lp3q"]
+radius = 7.0
+
 [node name="Chest" type="Area2D" groups=["Interactable"]]
 collision_layer = 4
 collision_mask = 2
@@ -96,3 +102,20 @@ gravity_scale = 0.0
 [node name="CollisionShape2D" type="CollisionShape2D" parent="RigidBody2D"]
 position = Vector2(0, -3)
 shape = SubResource("RectangleShape2D_isrvb")
+
+[node name="DamageReceiver" type="Area2D" parent="." node_paths=PackedStringArray("HealthProvider")]
+collision_layer = 64
+collision_mask = 136
+script = ExtResource("3_u7mm1")
+HealthProvider = NodePath("Health")
+Debris = ExtResource("4_7lp3q")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="DamageReceiver"]
+shape = SubResource("CircleShape2D_7lp3q")
+
+[node name="Health" type="Node2D" parent="DamageReceiver"]
+script = ExtResource("3_s8kek")
+ResourceName = "Health"
+MaxResource = 8.0
+
+[connection signal="area_entered" from="DamageReceiver" to="DamageReceiver" method="_on_damage_hitbox_area_entered"]

Scenes/Props/Broken_Barrel.tscn

@@ -1,8 +1,15 @@
-[gd_scene load_steps=6 format=3 uid="uid://clyyl3jgpfoo7"]
+[gd_scene load_steps=8 format=3 uid="uid://clyyl3jgpfoo7"]
 
 [ext_resource type="Script" uid="uid://cpx2fxtumgmud" path="res://Scenes/Barrel.cs" id="1_gn5xq"]
+[ext_resource type="Script" uid="uid://ddsqqfx1usc3j" path="res://Scripts/Resources/DamageResistance.cs" id="2_n641h"]
 [ext_resource type="Texture2D" uid="uid://d2f16ke8c7vwx" path="res://Sprites/Barrel.png" id="3_c3t2t"]
 
+[sub_resource type="Resource" id="Resource_c3bn4"]
+script = ExtResource("2_n641h")
+DamageType = 4
+Attribute = 3
+metadata/_custom_type_script = "uid://ddsqqfx1usc3j"
+
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_2ewfl"]
 size = Vector2(11, 14)
 
@@ -13,13 +20,14 @@ region = Rect2(16, 0, 16, 16)
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_ss2y0"]
 size = Vector2(11, 14)
 
-[node name="Barrel" type="Area2D" groups=["Destroyable"]]
+[node name="BrokenBarrel" type="Area2D" groups=["Destroyable"]]
 collision_layer = 64
 collision_mask = 10
 script = ExtResource("1_gn5xq")
 Health = 2.0
 ExplosionRadius = 0.0
 ExplosionDamage = 0.0
+DamageResistances = [SubResource("Resource_c3bn4")]
 metadata/_edit_group_ = true
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]

Scenes/Props/Chest_Broken.tscn

@@ -0,0 +1,53 @@
+[gd_scene load_steps=7 format=3 uid="uid://b57ep58h4bs3l"]
+
+[ext_resource type="Script" uid="uid://cpx2fxtumgmud" path="res://Scenes/Barrel.cs" id="1_v36o1"]
+[ext_resource type="Texture2D" uid="uid://qeh4ai8h6sw5" path="res://Sprites/Chest.png" id="2_v36o1"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_2ewfl"]
+size = Vector2(11, 14)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_v36o1"]
+atlas = ExtResource("2_v36o1")
+region = Rect2(32, 0, 16, 16)
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_ejqcg"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_v36o1")
+}],
+"loop": true,
+"name": &"default",
+"speed": 5.0
+}]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_ss2y0"]
+size = Vector2(11, 14)
+
+[node name="Broken Chest" type="Area2D" groups=["Destroyable"]]
+collision_layer = 64
+collision_mask = 10
+script = ExtResource("1_v36o1")
+Indestructible = true
+Health = 2.0
+ExplosionRadius = 0.0
+ExplosionDamage = 0.0
+metadata/_edit_group_ = true
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+visible = false
+position = Vector2(0.5, -1)
+shape = SubResource("RectangleShape2D_2ewfl")
+
+[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="."]
+sprite_frames = SubResource("SpriteFrames_ejqcg")
+
+[node name="RigidBody2D" type="RigidBody2D" parent="."]
+collision_layer = 64
+collision_mask = 10
+gravity_scale = 0.0
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="RigidBody2D"]
+visible = false
+position = Vector2(0.5, -1)
+shape = SubResource("RectangleShape2D_ss2y0")

Scripts/Components/Actors/DamageReceiverActorModule.cs

@@ -1,8 +1,11 @@
-using Godot;
+using System.Linq;
+using Cirno.Scripts.Resources;
+using Godot;
+using Godot.Collections;
 
 namespace Cirno.Scripts.Components.Actors;
 
-public partial class DamageReceiverActorModule : ActorModule
+public partial class DamageReceiverActorModule : ActorModule, IHittable
 {
     protected Actor _actor;
     
@@ -14,6 +17,8 @@ public partial class DamageReceiverActorModule : ActorModule
 
     [Export] public BulletOwner BulletGroup { get; set; } = BulletOwner.None;
     
+    [Export] public Array<DamageResistance> DamageResistances { get; set; } = [];
+    
     public override void Init(Actor actor)
     {
         _actor = actor;
@@ -42,14 +47,14 @@ public partial class DamageReceiverActorModule : ActorModule
 
         if (BulletGroup is BulletOwner.None)
         {
-            this.Hit(bullet.Damage);
+            this.Hit(bullet.Damage, bullet.DamageType);
             bullet.RequestCollisionDestruction();
             return;
         }
 
         if (bullet.BulletInfo.Owner == BulletGroup) return; 
         
-        this.Hit(bullet.Damage);
+        this.Hit(bullet.Damage, bullet.DamageType);
         bullet.RequestCollisionDestruction();
     }
     
@@ -58,7 +63,9 @@ public partial class DamageReceiverActorModule : ActorModule
         if (_actor.IsDestroyed) return;
         if (Invulnerable) return;
 		
-        HealthProvider.CurrentResource -= damage;
+        var dmg = DamageResistances.Aggregate(damage, (current, resistance) => current * resistance.CalculateDamage(current, damageType));
+
+        HealthProvider.CurrentResource -= dmg;
     }
     
     protected void OnDeath()

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();
+    }
+}

Scripts/Components/Actors/GenericDamageReceiver.cs.uid

@@ -0,0 +1 @@
+uid://cq3hkweplldbr

Scripts/Components/Actors/IHittable.cs

@@ -0,0 +1,6 @@
+namespace Cirno.Scripts.Components.Actors;
+
+public interface IHittable
+{
+    public void Hit(float damage, DamageType damageType = DamageType.Neutral);
+}

Scripts/Enums/DamageAttribute.cs

@@ -0,0 +1,9 @@
+namespace Cirno.Scripts.Enums;
+
+public enum DamageAttribute
+{
+    Neutral,
+    Resist,
+    Weak,
+    Immune,
+}

Scripts/Resources/DamageResistance.cs

@@ -0,0 +1,37 @@
+using System;
+using Cirno.Scripts.Enums;
+using Godot;
+
+namespace Cirno.Scripts.Resources;
+
+[GlobalClass]
+public partial class DamageResistance : Resource
+{
+    [Export]
+    public DamageType DamageType { get; set; } = DamageType.Neutral;
+    
+    [Export]
+    public DamageAttribute Attribute { get; set; } = DamageAttribute.Neutral;
+
+    public float CalculateDamage(float damage, DamageType incomingDamageType)
+    {
+        if (DamageType != incomingDamageType) return 1;
+
+        switch (Attribute)
+        {
+            case DamageAttribute.Neutral:
+                return 1;
+                break;
+            case DamageAttribute.Resist:
+                return 0.5f;
+                break;
+            case DamageAttribute.Weak:
+                return 2;
+                break;
+            case DamageAttribute.Immune:
+                return 0;
+                break;
+        }
+        return 1;
+    }
+}

Scripts/Resources/DamageResistance.cs.uid

@@ -0,0 +1 @@
+uid://ddsqqfx1usc3j