Sync weapon equip to hitbox damage

project.godot

@@ -18,7 +18,6 @@ config/features=PackedStringArray("4.4", "C#", "GL Compatibility")
 
 window/size/viewport_width=1920
 window/size/viewport_height=1080
-window/size/mode=3
 
 [dotnet]
 

src/enemy/Enemy.cs

@@ -106,12 +106,12 @@ public partial class Enemy : CharacterBody3D, IEnemy, IProvide<IEnemyLogic>
 
   public void OnPlayerHitboxEntered(Area3D body)
   {
-    if (body.GetParent() is IPlayer)
+    if (body is IHitbox hitBox)
     {
       if (CurrentHP > 0)
       {
         GD.Print("Enemy Hit");
-        EnemyLogic.Input(new EnemyLogic.Input.HitByPlayer());
+        EnemyLogic.Input(new EnemyLogic.Input.HitByPlayer(hitBox.Damage));
       }
     }
   }

src/enemy/state/EnemyLogic.Input.cs

@@ -10,7 +10,7 @@
 
       public readonly record struct PhysicsTick(double Delta);
 
-      public readonly record struct HitByPlayer();
+      public readonly record struct HitByPlayer(int Damage);
     }
   }
 }

src/enemy/state/states/EnemyLogic.State.Alive.cs

@@ -10,11 +10,11 @@ namespace GameJamDungeon
       [Meta, Id("enemy_logic_state_alive")]
       public abstract partial record Alive : State, IGet<Input.HitByPlayer>
       {
-        public Transition On(in Input.HitByPlayer _)
+        public Transition On(in Input.HitByPlayer input)
         {
           var enemy = Get<IEnemy>();
           var gameRepo = Get<IGameRepo>();
-          enemy.CurrentHP -= gameRepo.EquippedWeapon.InventoryInfo.Damage;
+          enemy.CurrentHP -= input.Damage;
           GD.Print("Current HP: " + enemy.CurrentHP);
           GD.Print($"Hit by {gameRepo.EquippedWeapon.Name}");
           Output(new Output.HitByPlayer());

src/hitbox/Hitbox.cs

@@ -0,0 +1,12 @@
+using Chickensoft.GodotNodeInterfaces;
+using Godot;
+
+public interface IHitbox : IArea3D
+{
+  public int Damage { get; set; }
+}
+
+public partial class Hitbox : Area3D, IHitbox
+{
+  public int Damage { get; set; }
+}

src/player/Player.cs

@@ -1,9 +1,11 @@
 using Chickensoft.AutoInject;
+using Chickensoft.Collections;
 using Chickensoft.GodotNodeInterfaces;
 using Chickensoft.Introspection;
 using Chickensoft.SaveFileBuilder;
 using GameJamDungeon;
 using Godot;
+using System;
 
 namespace GameJamDungeon
 {
@@ -52,16 +54,17 @@ namespace GameJamDungeon
 
     public PlayerLogic.IBinding PlayerBinding { get; set; } = default!;
 
-    [Node]
-    public IAnimationPlayer AnimationPlayer { get; set; } = default!;
+    [Node] public IAnimationPlayer AnimationPlayer { get; set; } = default!;
 
-    [Node]
-    public IAnimatedSprite2D SwordSlashAnimation { get; set; } = default!;
+    [Node] public AnimatedSprite2D SwordSlashAnimation { get; set; } = default!;
+
+    [Node] public IHitbox Hitbox { get; set; } = default!;
+
+    private IAutoProp<WeaponInfo> EquippedWeapon { get; set; } = default!;
 
     public void Initialize()
     {
       AnimationPlayer.AnimationFinished += OnAnimationFinished;
-      SwordSlashAnimation.Position = GetViewport().GetVisibleRect().Size / 2;
     }
 
     public void Setup()
@@ -77,20 +80,15 @@ namespace GameJamDungeon
       PlayerLogic.Set(GameRepo);
       PlayerLogic.Set(PlayerData);
 
+      GameRepo.SetPlayerGlobalPosition(GlobalPosition);
+      EquippedWeapon = new AutoProp<WeaponInfo>(WeaponInfo.Default);
       GameRepo.PlayerGlobalPosition.Sync += OnPlayerPositionUpdated;
     }
 
-    private void OnPlayerPositionUpdated(Vector3 globalPosition)
-    {
-      GlobalPosition = globalPosition;
-    }
-
     public void OnResolved()
     {
       PlayerBinding = PlayerLogic.Bind();
 
-      GameRepo.SetPlayerGlobalPosition(GlobalPosition);
-
       PlayerBinding
         .Handle((in PlayerLogic.Output.MovementComputed output) =>
         {
@@ -104,9 +102,15 @@ namespace GameJamDungeon
 
       this.Provide();
       PlayerLogic.Start();
+
+      EquippedWeapon.Sync += OnEquippedWeaponChanged;
+      SwordSlashAnimation.Position = GetViewport().GetVisibleRect().Size / 2;
     }
 
-    public void OnReady() => SetPhysicsProcess(true);
+    public void OnReady()
+    {
+      SetPhysicsProcess(true);
+    }
 
     public void OnPhysicsProcess(double delta)
     {
@@ -145,5 +149,9 @@ namespace GameJamDungeon
       PlayerBinding.Dispose();
       AnimationPlayer.AnimationFinished -= OnAnimationFinished;
     }
+
+    private void OnEquippedWeaponChanged(WeaponInfo info) => Hitbox.Damage = info.Damage;
+
+    private void OnPlayerPositionUpdated(Vector3 globalPosition) => GlobalPosition = globalPosition;
   }
 }

src/player/Player.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=15 format=3 uid="uid://cfecvvav8kkp6"]
+[gd_scene load_steps=16 format=3 uid="uid://cfecvvav8kkp6"]
 
 [ext_resource type="Script" path="res://src/player/Player.cs" id="1_xcol5"]
 [ext_resource type="Texture2D" uid="uid://bokx3h8kfdo5i" path="res://src/player/slash_0000_Classic_30.png" id="2_la11l"]
+[ext_resource type="Script" path="res://src/hitbox/Hitbox.cs" id="2_lb3qc"]
 [ext_resource type="Texture2D" uid="uid://byosr5gk51237" path="res://src/player/slash_0001_Classic_29.png" id="3_ux3f1"]
 [ext_resource type="Texture2D" uid="uid://nh071o6ii03j" path="res://src/player/slash_0002_Classic_28.png" id="4_gqnq0"]
 [ext_resource type="Texture2D" uid="uid://bodfblud4kea3" path="res://src/player/slash_0003_Classic_27.png" id="5_eebal"]
@@ -29,7 +30,7 @@ tracks/0/keys = {
 tracks/1/type = "value"
 tracks/1/imported = false
 tracks/1/enabled = true
-tracks/1/path = NodePath("Area3D/Hitbox:disabled")
+tracks/1/path = NodePath("Hitbox/HitboxCollision:disabled")
 tracks/1/interp = 1
 tracks/1/loop_wrap = true
 tracks/1/keys = {
@@ -57,7 +58,7 @@ tracks/0/keys = {
 tracks/1/type = "value"
 tracks/1/imported = false
 tracks/1/enabled = true
-tracks/1/path = NodePath("Area3D/Hitbox:disabled")
+tracks/1/path = NodePath("Hitbox/HitboxCollision:disabled")
 tracks/1/interp = 1
 tracks/1/loop_wrap = true
 tracks/1/keys = {
@@ -137,13 +138,14 @@ libraries = {
 "": SubResource("AnimationLibrary_w8l8m")
 }
 
-[node name="Area3D" type="Area3D" parent="."]
+[node name="Hitbox" type="Area3D" parent="."]
+unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, -1)
 collision_layer = 16
 collision_mask = 16
+script = ExtResource("2_lb3qc")
 
-[node name="Hitbox" type="CollisionShape3D" parent="Area3D"]
-unique_name_in_owner = true
+[node name="HitboxCollision" type="CollisionShape3D" parent="Hitbox"]
 shape = SubResource("BoxShape3D_wedu3")
 disabled = true
 

src/player/PlayerData.cs

@@ -1,4 +1,5 @@
-using Chickensoft.Serialization;
+using Chickensoft.Collections;
+using Chickensoft.Serialization;
 using Godot;
 using System.Collections.Generic;
 
@@ -13,7 +14,7 @@ namespace GameJamDungeon
     public required PlayerLogic StateMachine { get; init; }
 
     [Save("PlayerEquippedSword")]
-    public required InventoryItemInfo EquippedWeapon { get; set; }
+    public required IAutoProp<WeaponInfo> EquippedWeapon { get; set; }
 
     [Save("PlayerInventory")]
     public required IEnumerable<InventoryItemInfo> Inventory { get; set; }