109 lines
2.8 KiB
C#
109 lines
2.8 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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/// <summary>
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/// GraphicRaycaster 管理器，负责管理UI的射线检测功能
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/// 使用组合模式，从UIWindow中提取出GraphicRaycaster管理功能
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/// </summary>
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public class GraphicRaycasterManager
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{
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private GameObject _rootGameObject;
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private int _disableGraphicRaycasterCount;
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="rootGameObject">需要管理GraphicRaycaster的根GameObject</param>
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public GraphicRaycasterManager(GameObject rootGameObject)
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{
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_rootGameObject = rootGameObject;
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_disableGraphicRaycasterCount = 0;
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}
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/// <summary>
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/// 是否启用GraphicRaycaster
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/// </summary>
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public bool IsEnableGraphicRaycaster
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{
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get { return _disableGraphicRaycasterCount <= 0; }
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set
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{
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if (value)
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{
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if (_disableGraphicRaycasterCount > 0)
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--_disableGraphicRaycasterCount;
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}
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else
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++_disableGraphicRaycasterCount;
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if (null == _rootGameObject)
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return;
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UpdateGraphicRaycasterState();
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}
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}
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/// <summary>
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/// 更新GraphicRaycaster状态
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/// </summary>
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private void UpdateGraphicRaycasterState()
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{
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bool isEnabled = _disableGraphicRaycasterCount <= 0;
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if (null == _rootGameObject)
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return;
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// 确保根对象有GraphicRaycaster组件
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if (!_rootGameObject.TryGetComponent(out GraphicRaycaster graphicRaycaster))
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graphicRaycaster = _rootGameObject.AddComponent<GraphicRaycaster>();
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if (null != graphicRaycaster)
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graphicRaycaster.enabled = isEnabled;
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// 更新所有子对象的GraphicRaycaster
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GraphicRaycaster[] graphicRaycasters = _rootGameObject.GetComponentsInChildren<GraphicRaycaster>();
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foreach (GraphicRaycaster gr in graphicRaycasters)
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{
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if (null == gr)
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continue;
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gr.enabled = isEnabled;
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}
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}
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/// <summary>
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/// 获取当前禁用计数
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/// </summary>
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/// <returns>禁用计数</returns>
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public int GetDisableCount()
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{
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return _disableGraphicRaycasterCount;
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}
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/// <summary>
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/// 重置禁用计数
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/// </summary>
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public void ResetDisableCount()
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{
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_disableGraphicRaycasterCount = 0;
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UpdateGraphicRaycasterState();
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}
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/// <summary>
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/// 强制启用GraphicRaycaster
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/// </summary>
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public void ForceEnable()
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{
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_disableGraphicRaycasterCount = 0;
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UpdateGraphicRaycasterState();
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}
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/// <summary>
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/// 强制禁用GraphicRaycaster
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/// </summary>
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public void ForceDisable()
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{
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_disableGraphicRaycasterCount = 1;
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UpdateGraphicRaycasterState();
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}
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} |