Init

Scripts/ECS/Entity.cs

@@ -0,0 +1,77 @@
+using Godot;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using BITKit.Core.Entites;
+namespace  BITKit;
+/// <summary>
+/// 用于Godot的ECS.Entity实现
+/// </summary>
+public partial class Entity : Node,IEntity
+{
+	/// <summary>
+	/// 类型组件的缓存
+	/// </summary>
+	private readonly Dictionary<Type,IEntityComponent> TypeComponents=new ();
+	/// <summary>
+	/// IEntityService的缓存
+	/// </summary>
+	private  IEntitiesService _entitiesService;
+	/// <summary>
+	/// 所有EntityComponent
+	/// </summary>
+	private IEntityComponent[] _components;
+	IEntityComponent[] IEntity.Components => _components;
+	/// <summary>
+	/// IEntity.Id实现
+	/// </summary>
+	public ulong Id { get; private set; }
+	/// <summary>
+	/// 加载所有EntityComponent的内部实现
+	/// </summary>
+	public override void _Ready()
+	{
+		List<IEntityComponent> entityComponents = new();
+		Id = GetInstanceId();
+		_entitiesService = DI.Get<IEntitiesService>();
+		foreach (var x in MathNode.GetAllNode(this))
+		{
+			GetInstanceId();
+			if (x is not IEntityComponent component) continue;
+			component.Entity = this;
+			TypeComponents.TryAdd(x.GetType(),component);
+			BIT4Log.Log<Entity>($"已加载组件:{x.Name}");
+			component.OnAwake();
+			entityComponents.Add(component);
+		}
+		foreach (var component in TypeComponents.Values)
+		{
+			component.OnStart();
+		}
+		_entitiesService.Register(this);
+		this._components = entityComponents.ToArray();
+	}
+	public bool TryGetComponent<T>(out T component) where T : IEntityComponent
+	{
+		if (TypeComponents.TryGetValue(typeof(T), out var iComponent) && iComponent is T _component)
+		{
+			component = _component;
+			return true;
+		}
+		component = default;
+		return false;
+	}
+	protected override void Dispose(bool disposing)
+	{
+		base.Dispose(disposing);
+		if (disposing)
+		{
+			_entitiesService.UnRegister(this);
+		}
+	}
+	
+	public bool RegisterComponent<T>(T component) where T : IEntityComponent
+	{
+		return TypeComponents.TryAdd(typeof(T), component);
+	}
+}

Scripts/ECS/EntityComponent.cs

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+using BITKit.Core.Entites;
+using Godot;
+
+namespace  BITKit;
+/// <summary>
+/// 基于Godot.Node3D的IEntityComponent实现
+/// </summary>
+public partial class EntityComponent : Node3D,IEntityComponent
+{
+	public IEntity Entity { get; set; }
+	public virtual void OnStart(){}
+	public virtual void OnAwake(){}
+}

Scripts/ECS/GodotEntitiesService.cs

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+using Godot;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using BITKit.Core.Entites;
+// ReSharper disable All
+
+namespace BITKit;
+/// <summary>
+/// 基于Godot.Node的IEntitiesService实现
+/// </summary>
+public partial class GodotEntitiesService : Node,IEntitiesService
+{
+    public GodotEntitiesService()
+    {
+        DI.Register<IEntitiesService>(this);
+    }
+    private readonly Dictionary<ulong,IEntity> _entities=new ();
+    private CancellationTokenSource _cancellationTokenSource;
+    public IEntity[] Entities => _entities.Values.ToArray();
+    public bool Register(IEntity entity)
+    {
+        return _entities.TryAdd(entity.Id, entity);
+    }
+    public bool UnRegister(IEntity entity)
+    {
+        return _entities.TryRemove(entity.Id);
+    }
+
+    public override void _Ready()
+    {
+        _cancellationTokenSource = new();
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        if(disposing)_cancellationTokenSource.Cancel();
+    }
+
+    public CancellationToken CancellationToken => _cancellationTokenSource.Token;
+}