UI相关优化补充

Assets/_Game/Scripts/UI/FloatingDamageTickSystem.cs

@@ -0,0 +1,102 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace BaseGames.UI
+{
+    /// <summary>
+    /// 全局伤害飘字 Tick 系统（架构 10_UIModule §10 优化）。
+    ///
+    /// 设计动机：原实现中每条飘字独立 StartCoroutine（FloatAndFade），
+    /// Boss 战或大范围 AOE 时同时存在数十条会产生大量协程对象与调度开销。
+    /// 本系统用单一 Update + 紧凑 List&lt;Entry&gt; 集中推进，
+    /// 所有飘字共享同一份每帧调度（仅一次 Update 调用），并消除协程对象。
+    ///
+    /// 使用：FloatingDamageText.Show 不再 StartCoroutine，而是调用
+    /// FloatingDamageTickSystem.Register(this, ...)；系统自动在动画结束时
+    /// 调用 OnComplete 回调（飘字 SetActive(false) 回池）。
+    /// </summary>
+    [DefaultExecutionOrder(+100)]
+    public class FloatingDamageTickSystem : MonoBehaviour
+    {
+        private struct Entry
+        {
+            public FloatingDamageText Target;
+            public Vector2            StartWorld;
+            public float              Elapsed;
+            public float              Duration;
+            public float              FloatDistance;
+            public float              StartAlpha;
+        }
+
+        private static FloatingDamageTickSystem s_instance;
+        private readonly List<Entry> _entries = new(64);
+
+        public static FloatingDamageTickSystem Instance
+        {
+            get
+            {
+                if (s_instance != null) return s_instance;
+                var go = new GameObject(nameof(FloatingDamageTickSystem));
+                DontDestroyOnLoad(go);
+                s_instance = go.AddComponent<FloatingDamageTickSystem>();
+                return s_instance;
+            }
+        }
+
+        private void Awake()
+        {
+            if (s_instance != null && s_instance != this) { Destroy(this); return; }
+            s_instance = this;
+        }
+
+        public void Register(FloatingDamageText target, Vector2 startWorld,
+                             float duration, float floatDistance, float startAlpha)
+        {
+            if (target == null || duration <= 0f) return;
+            _entries.Add(new Entry
+            {
+                Target        = target,
+                StartWorld    = startWorld,
+                Elapsed       = 0f,
+                Duration      = duration,
+                FloatDistance = floatDistance,
+                StartAlpha    = startAlpha
+            });
+        }
+
+        /// <summary>取消指定目标的飘字动画（例如对象池回收）。</summary>
+        public void Unregister(FloatingDamageText target)
+        {
+            for (int i = _entries.Count - 1; i >= 0; i--)
+                if (_entries[i].Target == target) _entries.RemoveAt(i);
+        }
+
+        private void Update()
+        {
+            float dt = Time.deltaTime;
+            // 倒序遍历，便于安全 RemoveAt
+            for (int i = _entries.Count - 1; i >= 0; i--)
+            {
+                var e = _entries[i];
+                if (e.Target == null) { _entries.RemoveAt(i); continue; }
+
+                e.Elapsed += dt;
+                float t    = e.Elapsed / e.Duration;
+                bool done  = t >= 1f;
+                if (done) t = 1f;
+
+                e.Target.TickAnimation(e.StartWorld, t, e.StartAlpha, e.FloatDistance);
+
+                if (done)
+                {
+                    e.Target.OnTickComplete();
+                    _entries.RemoveAt(i);
+                }
+                else
+                {
+                    _entries[i] = e;
+                }
+            }
+        }
+    }
+}