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Unity/Scripts/Entity/Core/EntitiesManager.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.AddressableAssets;
+using BITKit;
+using System.Collections.Concurrent;
+namespace BITKit.Entities
+{
+    public class EntitiesManager
+    {
+        [RuntimeInitializeOnLoadMethod]
+        static void Reload()
+        {
+            Dictionary.Clear();
+        }
+        public static ConcurrentDictionary<int, IEntity> Dictionary = new();
+        public static Func<int, IEntity> CreateFactory;
+        public static IEntity Get(int id)
+        {
+            if (Dictionary.TryGetValue(id, out var entity))
+            {
+                return entity;
+            }
+            else
+            {
+                throw new System.NullReferenceException($"没有找到id为{id}的iEntity");
+            }
+        }
+        public static IEntity GetOrAdd(int id)
+        {
+            return GetOrAdd(id, CreateFactory);
+        }
+        public static IEntity GetOrAdd(int id, Func<int, IEntity> createFacotry) => Dictionary.GetOrAdd(id, createFacotry);
+    }
+}