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Unity/Scripts/Entity/Core/DamageSystem.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using BITKit;
+using BITKit.SubSystems;
+namespace BITKit.Entities
+{
+
+    public interface IDamageType { }
+    public record DamageMessage
+    {
+        public IEntity initiator;
+        public IEntity target;
+        public int damage;
+        public IDamagable hit;
+        public Location location;
+        public IDamageType damageType;
+    }
+    public interface IDamageCallback
+    {
+        void OnGetDamage(DamageMessage message);
+    }
+    public interface IDamagable
+    {
+        IEntity Entity { get; }
+        Rigidbody Rigidbody { get; }
+        void GiveDamage(DamageMessage message);
+    }
+    [SubSystemConfig(isMainThread = true)]
+    public class DamageSystem : SubBITSystem
+    {
+        static Queue<DamageMessage> messages = new();
+        public static void Excute(DamageMessage damageMessage)
+        {
+            messages.Enqueue(damageMessage);
+        }
+        public override void OnCreate()
+        {
+            messages.Clear();
+        }
+        public override void OnFixedUpdate(float deltaTime)
+        {
+            while (messages.TryDequeue(out var damageMessage))
+            {
+                damageMessage.hit?.GiveDamage(damageMessage);
+                damageMessage.initiator?.Invoke(damageMessage);
+                //damageMessage.initiator?.Invoke(damageMessage);
+                //damageMessage.target?.Invoke(damageMessage);
+            }
+        }
+    }
+}