虚拟列表和循环列表提交

2025-07-19 17:59:28 +08:00
parent 0dd304256c
commit 656e0b0652
38 changed files with 4420 additions and 39 deletions
--- a/UnityGame/Assets/Scripts/ThirdParty/LoopList/Runtime/LoopScrollRect.cs
+++ b/UnityGame/Assets/Scripts/ThirdParty/LoopList/Runtime/LoopScrollRect.cs
@@ -0,0 +1,76 @@
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.EventSystems;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace UnityEngine.UI
+{
+    public abstract class LoopScrollRect : LoopScrollRectBase
+    {
+        [HideInInspector]
+        [NonSerialized]
+        public LoopScrollDataSource dataSource = null;
+        
+        protected override void ProvideData(Transform transform, int index)
+        {
+            dataSource.ProvideData(transform, index);
+        }
+        
+        protected override RectTransform GetFromTempPool(int itemIdx)
+        {
+            RectTransform nextItem = null;
+            if (deletedItemTypeStart > 0)
+            {
+                deletedItemTypeStart--;
+                nextItem = m_Content.GetChild(0) as RectTransform;
+                nextItem.SetSiblingIndex(itemIdx - itemTypeStart + deletedItemTypeStart);
+            }
+            else if (deletedItemTypeEnd > 0)
+            {
+                deletedItemTypeEnd--;
+                nextItem = m_Content.GetChild(m_Content.childCount - 1) as RectTransform;
+                nextItem.SetSiblingIndex(itemIdx - itemTypeStart + deletedItemTypeStart);
+            }
+            else
+            {
+                nextItem = prefabSource.GetObject(itemIdx).transform as RectTransform;
+                nextItem.transform.SetParent(m_Content, false);
+                nextItem.gameObject.SetActive(true);
+            }
+            ProvideData(nextItem, itemIdx);
+            return nextItem;
+        }
+
+        protected override void ReturnToTempPool(bool fromStart, int count)
+        {
+            if (fromStart)
+                deletedItemTypeStart += count;
+            else
+                deletedItemTypeEnd += count;
+        }
+
+        protected override void ClearTempPool()
+        {
+            Debug.Assert(m_Content.childCount >= deletedItemTypeStart + deletedItemTypeEnd);
+            if (deletedItemTypeStart > 0)
+            {
+                for (int i = deletedItemTypeStart - 1; i >= 0; i--)
+                {
+                    prefabSource.ReturnObject(m_Content.GetChild(i));
+                }
+                deletedItemTypeStart = 0;
+            }
+            if (deletedItemTypeEnd > 0)
+            {
+                int t = m_Content.childCount - deletedItemTypeEnd;
+                for (int i = m_Content.childCount - 1; i >= t; i--)
+                {
+                    prefabSource.ReturnObject(m_Content.GetChild(i));
+                }
+                deletedItemTypeEnd = 0;
+            }
+        }
+    }
+}