Add MeleeEffect and related services for combat interactions

GameCore/ECS/World.cs

@@ -5,6 +5,8 @@ using GameCore.Events.Interfaces;
 using GameCore.Input.Interfaces;
 using GameCore.Interaction;
 using GameCore.Logging.Interfaces;
+using GameCore.Services;
+using GameCore.State;
 
 namespace GameCore.ECS;
 
@@ -13,18 +15,37 @@ namespace GameCore.ECS;
 ///     It manages all entities, components, and systems, and orchestrates the main game loop.
 ///     This class is the primary point of interaction for the Engine/Presentation layer.
 /// </summary>
-public class World(IInputService inputService, IWorldQuery worldQuery, SimulationConfig config, ILogger logger)
+public class World
 {
     private readonly Dictionary<int, List<IComponent>> _componentsByEntityId = new();
     private readonly EventBus _eventBus = new();
     private readonly List<ISystem> _systems = [];
+    public readonly IAudioService AudioService;
 
-    public readonly SimulationConfig Config = config;
-    public readonly IInputService InputService = inputService;
-    public readonly ILogger Logger = logger;
-    public readonly IWorldQuery WorldQuery = worldQuery;
+    public readonly SimulationConfig Config;
+    public readonly IGameStateService GameState;
+    public readonly IInputService InputService;
+    public readonly ILogger Logger;
+    public readonly IParticleService ParticleService;
+    public readonly IWorldQuery WorldQuery;
     private int _nextEntityId;
 
+    public World(IInputService inputService,
+        IWorldQuery worldQuery,
+        SimulationConfig config,
+        ILogger logger,
+        IAudioService audioService,
+        IParticleService particleService)
+    {
+        AudioService = audioService;
+        Config = config;
+        InputService = inputService;
+        Logger = logger;
+        ParticleService = particleService;
+        WorldQuery = worldQuery;
+        GameState = new GameStateService(this);
+    }
+
     /// <summary>
     ///     Creates a new, unique entity.
     /// </summary>