清理各个 Component 里的判断以及调用规范

Assets/GameMain/Scripts/Runtime/CustomComponent/DamageText/DamageTextComponent.cs

@@ -11,11 +11,11 @@ namespace SepCore.DamageText
 
         [SerializeField] private string _poolName = "DamageTextItem";
 
-        [SerializeField] private RectTransform _instanceRoot;
+        [SerializeField] private RectTransform _instanceRoot = null;
 
-        [SerializeField] private Canvas _canvas;
+        [SerializeField] private Canvas _canvas = null;
 
-        [SerializeField] private GameObject _damageTextItemPrefab;
+        [SerializeField] private GameObject _damageTextItemPrefab = null;
 
         private IObjectPool<DamageTextItemObject> _damageTextItemPool;
 
@@ -30,11 +30,9 @@ namespace SepCore.DamageText
 
         public void ShowDamage(Vector3 worldPosition, int damage)
         {
-            if (damage <= 0 || _damageTextItemPool == null || _canvas == null) return;
+            if (damage <= 0) return;
 
             DamageTextItem item = CreateDamageTextItem();
-            if (item == null) return;
-
             item.Show(worldPosition, damage, _canvas, OnItemComplete);
             _activeDamageTextItems.Add(item);
         }
@@ -62,7 +60,6 @@ namespace SepCore.DamageText
 
         private void OnItemComplete(DamageTextItem item)
         {
-            if (item == null) return;
             item.ResetItem();
             _activeDamageTextItems.Remove(item);
             _damageTextItemPool.Unspawn(item);
@@ -72,7 +69,6 @@ namespace SepCore.DamageText
         {
             _activeDamageTextItems.Clear();
             _damageTextItemPool.Release();
-            _damageTextItemPool = null;
         }
     }
 }