86 lines
2.3 KiB
C#
86 lines
2.3 KiB
C#
using UnityEngine;
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namespace XericUI.VisualForm
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{
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/// <summary>
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/// 世界对象锚点 - 挂载在场景对象上，将世界空间位置传递给锚点坞进行屏幕空间定位
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/// </summary>
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[AddComponentMenu("Xeric UI Vessel/AnchorWindow/WorldAnchor")]
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public class WorldAnchor : XvFormBase
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{
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[SerializeField, Tooltip("目标锚点坞，不填则自动在父级中查找")]
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private AnchorDock m_TargetDock;
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/// <summary>
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/// 目标锚点坞引用
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/// </summary>
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public AnchorDock TargetDock
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{
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get => m_TargetDock;
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set => m_TargetDock = value;
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}
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/// <summary>
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/// 缓存Transform组件
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/// </summary>
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[System.NonSerialized]
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private Transform _cachedTransform;
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/// <summary>
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/// 缓存Transform，避免重复GetComponent
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/// </summary>
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public Transform CachedTransform
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{
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get
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{
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if (_cachedTransform == null)
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_cachedTransform = transform;
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return _cachedTransform;
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}
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}
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protected void OnEnable()
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{
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// 尝试自动查找锚点坞
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if (m_TargetDock == null)
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m_TargetDock = GetComponentInParent<AnchorDock>();
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// 回退到静态单例
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if (m_TargetDock == null)
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m_TargetDock = AnchorDock.Main;
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if (m_TargetDock != null)
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{
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m_TargetDock.AddAnchor(this);
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}
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else
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{
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// 暂存到全局待注册列表，等待坞就绪后处理
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AnchorDock.s_PendingAnchors.Add(this);
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}
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}
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protected void OnDisable()
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{
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UnregisterFromDock();
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}
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protected void OnDestroy()
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{
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UnregisterFromDock();
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}
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/// <summary>
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/// 从锚点坞或待注册列表中注销此锚点。
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/// OnDisable 和 OnDestroy 共用，确保所有退出路径都执行清理。
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/// </summary>
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private void UnregisterFromDock()
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{
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if (m_TargetDock != null)
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m_TargetDock.RemoveAnchor(this);
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else
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AnchorDock.s_PendingAnchors.Remove(this);
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}
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}
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}
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