iFactory.Godot/Artists/Scripts/ECS/Entity.cs

78 lines
1.9 KiB
C#

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);
}
}