添加水平与垂直布局的重写管理，支持对不可见对象的布局计算。

添加支持自动可见性剔除的滚动管理器。
2025-09-17 19:51:16 +08:00
parent 28a96e1fd8
commit ddb6806a9b
17 changed files with 590 additions and 6 deletions
@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Pool;
+using UnityEngine.UI;
+using XericLibrary.Runtime.MacroLibrary;
+
+namespace XericUI.OverrideLayout
+{
+    [AddComponentMenu("Xeric UI Vessel/Layout/Xeric Horizontal Layout Group")]
+    /// <summary>
+    /// Layout child layout elements below each other.
+    /// </summary>
+    public class XericHorizontalLayoutGroup: XericHorizontalOrVerticalLayoutGroup
+    {
+        protected XericHorizontalLayoutGroup()
+        {}
+
+        /// <summary>
+        /// Called by the layout system. Also see ILayoutElement
+        /// </summary>
+        public override void CalculateLayoutInputHorizontal()
+        {
+            rectChildren.Clear();
+            var toIgnoreList = ListPool<Component>.Get();
+            for (int i = 0; i < rectTransform.childCount; i++)
+            {
+                var rect = rectTransform.GetChild(i) as RectTransform;
+                if (rect == null || 
+                    (layoutIgnoreInactive && !rect.gameObject.activeInHierarchy))
+                    continue;
+
+                rect.GetComponents(typeof(ILayoutIgnorer), toIgnoreList);
+
+                if (toIgnoreList.Count == 0)
+                {
+                    rectChildren.Add(rect);
+                    continue;
+                }
+
+                for (int j = 0; j < toIgnoreList.Count; j++)
+                {
+                    var ignorer = (ILayoutIgnorer)toIgnoreList[j];
+                    if (!ignorer.ignoreLayout)
+                    {
+                        rectChildren.Add(rect);
+                        break;
+                    }
+                }
+            }
+            ListPool<Component>.Release(toIgnoreList);
+            m_Tracker.Clear();
+            CalcAlongAxis(0, false);
+        }
+
+        /// <summary>
+        /// Called by the layout system. Also see ILayoutElement
+        /// </summary>
+        public override void CalculateLayoutInputVertical()
+        {
+            CalcAlongAxis(1, false);
+        }
+
+        /// <summary>
+        /// Called by the layout system. Also see ILayoutElement
+        /// </summary>
+        public override void SetLayoutHorizontal()
+        {
+            SetChildrenAlongAxis(0, false);
+        }
+
+        /// <summary>
+        /// Called by the layout system. Also see ILayoutElement
+        /// </summary>
+        public override void SetLayoutVertical()
+        {
+            SetChildrenAlongAxis(1, false);
+        }
+    }
+}