# update 0.6.2.1
更新了蓝图组件相关的用法。
This commit is contained in:
@@ -1,45 +1,19 @@
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace XericLibrary.Runtime.Blueprint
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{
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/// <summary>
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/// 蓝图 UGUI 输入管理器 —— 负责绑定 UGUI EventTrigger 到背景 Image，
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/// 将 UGUI 指针事件转发到 <see cref="BlueprintToolProvider"/> 的分发方法。
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/// <para>
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/// 该类仅处理与 UGUI EventTrigger 相关的绑定逻辑，不感知新旧输入系统的差异。
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/// 由 <see cref="BlueprintInputReceiver"/> 创建并在 OnUpdate 中驱动。
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/// </para>
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/// 蓝图 UGUI 输入工具静态辅助类。
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/// 提供跨新旧输入系统的统一鼠标位置和按钮状态查询。
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/// </summary>
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public class BlueprintUGUIInputManager
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public static class BlueprintUGUIInputManager
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{
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/// <summary>
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/// 当前帧鼠标/指针在屏幕空间的位置。
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/// 每帧由 <see cref="UpdateMousePosition"/> 刷新。
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/// </summary>
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public static Vector2 MousePosition { get; private set; }
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/// <summary>当前帧鼠标/指针在屏幕空间的位置，每帧由 BlueprintInputTool_UGUI 更新。</summary>
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public static Vector2 MousePosition { get; internal set; }
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/// <summary>
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/// 当前帧鼠标/指针是否处于新输入系统模式。
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/// <c>true</c> = 新输入系统（<c>ENABLE_INPUT_SYSTEM</c> 已定义）；
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/// <c>false</c> = 旧输入系统。
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/// </summary>
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public static bool IsNewInputSystem
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{
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get
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{
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#if ENABLE_INPUT_SYSTEM
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return true;
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#else
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return false;
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#endif
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}
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}
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/// <summary>
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/// 更新静态鼠标位置。每帧由 BlueprintInputReceiver 的 OnUpdate 调用。
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/// 内部根据条件编译选择鼠标位置读取源。
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/// 更新静态鼠标位置。
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/// 由 <see cref="BlueprintInputTool_UGUI"/> 每帧在 OnUpdate 中调用。
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/// </summary>
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public static void UpdateMousePosition()
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{
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@@ -52,7 +26,6 @@ namespace XericLibrary.Runtime.Blueprint
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/// <summary>
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/// 返回当前是否按住指定鼠标按钮。
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/// 内部根据条件编译选择检测方式。
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/// </summary>
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/// <param name="button">0=左键, 1=右键, 2=中键</param>
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public static bool IsButtonPressed(int button)
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@@ -71,169 +44,5 @@ namespace XericLibrary.Runtime.Blueprint
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return Input.GetMouseButton(button);
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#endif
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}
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// ===== 实例部分 =====
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private BlueprintGraph _graph;
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private Transform _bgTransform;
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private EventTrigger _eventTrigger;
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private bool _isBound;
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// 背景 GameObject 名称（与 QuickUGUIGraphGridBackgroundTool 一致）
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private const string BackgroundGoName = "__Bp_GridBackground";
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// ===== 生命周期 =====
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/// <summary>初始化 UGUI 输入管理器并绑定到指定蓝图。</summary>
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public BlueprintUGUIInputManager(BlueprintGraph graph)
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{
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_graph = graph;
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}
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/// <summary>
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/// 尝试绑定 EventTrigger 到背景 Image。
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/// 返回 <c>true</c> 表示绑定成功，<c>false</c> 表示背景尚未创建。
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/// </summary>
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public bool TryBind()
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{
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if (_isBound) return true;
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if (_graph?.Canvas == null) return false;
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var root = _graph.Canvas.GetRootTransform();
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if (root == null) return false;
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_bgTransform = root.Find(BackgroundGoName);
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if (_bgTransform == null) return false;
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_eventTrigger = _bgTransform.gameObject.GetComponent<EventTrigger>();
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if (_eventTrigger == null)
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_eventTrigger = _bgTransform.gameObject.AddComponent<EventTrigger>();
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else
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_eventTrigger.triggers.Clear();
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BindEventTrigger();
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_isBound = true;
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return true;
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}
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/// <summary>解绑并清理 EventTrigger。</summary>
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public void Unbind()
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{
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if (_eventTrigger != null)
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{
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_eventTrigger.triggers.Clear();
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_eventTrigger = null;
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}
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_bgTransform = null;
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_isBound = false;
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}
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/// <summary>是否已绑定。</summary>
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public bool IsBound => _isBound;
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/// <summary>背景 RectTransform（用于屏幕点包含检测）。</summary>
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public RectTransform BgRectTransform => _bgTransform as RectTransform;
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// ===== EventTrigger 绑定 =====
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private void BindEventTrigger()
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{
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if (_eventTrigger == null) return;
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AddEntry(EventTriggerType.PointerEnter, OnEventPointerEnter);
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AddEntry(EventTriggerType.PointerExit, OnEventPointerExit);
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AddEntry(EventTriggerType.PointerDown, OnEventPointerDown);
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AddEntry(EventTriggerType.PointerUp, OnEventPointerUp);
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AddEntry(EventTriggerType.BeginDrag, OnEventBeginDrag);
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AddEntry(EventTriggerType.Drag, OnEventDrag);
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AddEntry(EventTriggerType.EndDrag, OnEventEndDrag);
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AddEntry(EventTriggerType.Scroll, OnEventScroll);
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}
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private void AddEntry(EventTriggerType eventType, UnityEngine.Events.UnityAction<BaseEventData> callback)
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{
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var entry = new EventTrigger.Entry { eventID = eventType };
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entry.callback.AddListener(callback);
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_eventTrigger.triggers.Add(entry);
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}
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// ===== 坐标转换 =====
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private Vector2 ScreenToCanvas(Vector2 screenPos)
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{
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return _graph?.Canvas != null ? _graph.Canvas.ScreenToCanvas(screenPos) : screenPos;
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}
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private Vector2 ScreenToCanvas(PointerEventData data)
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{
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return ScreenToCanvas(data.position);
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}
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// ===== EventTrigger 回调 =====
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private void OnEventPointerEnter(BaseEventData _)
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{
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if (_graph != null)
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BlueprintToolProvider.DispatchPointerEnter(_graph);
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}
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private void OnEventPointerExit(BaseEventData _)
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{
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if (_graph != null)
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BlueprintToolProvider.DispatchPointerExit(_graph);
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}
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private void OnEventPointerDown(BaseEventData data)
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{
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if (_graph == null || !(data is PointerEventData pData)) return;
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_graph.BeginFrame();
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var pt = ScreenToCanvas(pData);
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_graph.MarkDirty();
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BlueprintToolProvider.DispatchPointerDown(_graph, pt, (int)pData.button);
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}
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private void OnEventPointerUp(BaseEventData data)
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{
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if (_graph == null || !(data is PointerEventData pData)) return;
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var pt = ScreenToCanvas(pData);
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BlueprintToolProvider.DispatchPointerUp(_graph, pt, (int)pData.button);
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}
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// 拖拽状态
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private int _dragButton = -1;
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private Vector2 _dragStartPos;
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private void OnEventBeginDrag(BaseEventData data)
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{
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if (_graph == null || !(data is PointerEventData pData)) return;
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_dragButton = (int)pData.button;
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_dragStartPos = ScreenToCanvas(pData);
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}
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private void OnEventDrag(BaseEventData data)
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{
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if (_graph == null || !(data is PointerEventData pData)) return;
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var current = ScreenToCanvas(pData);
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var delta = current - _dragStartPos;
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_dragStartPos = current;
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BlueprintToolProvider.DispatchPointerDrag(_graph, current, delta, _dragButton);
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}
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private void OnEventEndDrag(BaseEventData data)
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{
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if (_graph == null || !(data is PointerEventData pData)) return;
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BlueprintToolProvider.DispatchPointerUp(_graph, ScreenToCanvas(pData), (int)pData.button);
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_dragButton = -1;
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}
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private void OnEventScroll(BaseEventData data)
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{
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if (_graph == null || !(data is PointerEventData pData)) return;
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_graph.BeginFrame();
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var pt = ScreenToCanvas(pData);
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var scroll = new Vector2(-pData.scrollDelta.x, -pData.scrollDelta.y);
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_graph.MarkDirty();
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BlueprintToolProvider.DispatchScroll(_graph, pt, scroll);
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}
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}
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}
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