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Src/Health/HealthService.cs

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+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using BITKit;
+using Cysharp.Threading.Tasks;
+
+
+namespace Net.Project.B.Health
+{
+    /// <summary>
+    /// 生命值服务
+    /// </summary>
+    public interface IHealthService
+    {
+        /// <summary>
+        /// 已缓存的生命值
+        /// </summary>
+        public IReadOnlyDictionary<int,int> Healths { get; }
+        /// <summary>
+        /// 在改变生命值前,ID,当前生命值,新的生命值,来源
+        /// <returns>增加的数值</returns>
+        /// </summary>
+        public event Func<int,int,int,object,int> OnHealthPlus;
+        /// <summary>
+        /// 在改变生命值后
+        /// </summary>
+        /// /// <summary>
+        /// 当健康值发生变化时触发的事件。
+        /// </summary>
+        public event Action<int,int,int,object> OnHealthChanged;
+        /// <summary>
+        /// 调整生命值
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="value">+- not set</param>
+        /// <returns></returns>
+        public UniTask<int> AddHealth(int id,int value,object arg);
+    }
+    public class HealthService:IHealthService
+    {
+        private static HealthService _singleton;
+        public HealthService()
+        {
+            _singleton = this;
+        }
+        [BITCommand]
+        public static void SetHealth(int id, int newHealth)
+        {
+            Healths.GetOrAdd(id,100);
+            Healths.Set(id,newHealth);
+            OnHealthChanged?.Invoke(id,newHealth,newHealth,null);
+        }
+        [BITCommand]
+        public static void AddHealth(int id, int newHealth)
+        {
+            Healths.GetOrAdd(id,100);
+            _singleton.AddHealth(id, newHealth, null).Forget();
+        }
+        
+  
+        IReadOnlyDictionary<int, int> IHealthService.Healths => Healths;
+        private static event Func<int,int,int,object,int> OnHealthChange;
+        private static event Action<int,int,int,object> OnHealthChanged;
+        private static readonly ConcurrentDictionary<int, int> Healths = new();
+        
+        event Func<int,int,int,object,int> IHealthService.OnHealthPlus
+        {
+            add => OnHealthChange += value;
+            remove => OnHealthChange -= value;
+        }
+        event Action<int,int,int,object> IHealthService.OnHealthChanged
+        {
+            add => OnHealthChanged += value;
+            remove => OnHealthChanged -= value;
+        }
+        public UniTask<int> AddHealth(int id, int value,object arg)
+        {
+            var current = Healths.GetOrAdd(id,100);
+            foreach (var func in OnHealthChange.CastAsFunc())
+            {
+                value =func.Invoke(id,current, value, arg);
+            }
+            var newHp = Math.Clamp(current + value, -1, 100);
+            Healths.Set(id,newHp);
+            OnHealthChanged?.Invoke(id,current,newHp,arg);
+            return UniTask.FromResult(newHp);
+        }
+    }
+}