update 0.6.4
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@@ -1,198 +1,19 @@
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using UnityEngine;
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namespace XericLibrary.Runtime.Blueprint.QuickGraph
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{
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/// <summary>
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/// QuickGraph 输入交互工具 —— 处理画布平移、缩放。
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/// <para>中键拖拽 = 平移；滚轮 = 缩放。</para>
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/// <para>视图状态读写委托给 <see cref="BlueprintViewportController"/>，
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/// 输入参数从 <see cref="QuickGraphInputConfig"/> 读取。</para>
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/// </summary>
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[BlueprintTool(phase: ToolPhase.PreUpdate, order: 50)]
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[BlueprintTheme("QuickGraph")]
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[BlueprintTool(phase: ToolPhase.PreUpdate, order: 50)] [BlueprintTheme("QuickGraph")]
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public class QuickGraphInputTool : BlueprintTool
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{
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// ---------- 配置（从 ToolConfigAssets 读取） ----------
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private QuickGraphInputConfig Config
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{
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get
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{
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if (ToolConfig is QuickGraphInputConfig external)
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return external;
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if (_defaultConfig == null)
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_defaultConfig = ScriptableObject.CreateInstance<QuickGraphInputConfig>();
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return _defaultConfig;
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}
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}
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private static QuickGraphInputConfig _defaultConfig;
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// ---------- 缓存的 ViewportController 引用 ----------
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private BlueprintViewportController _viewport;
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private BlueprintViewportController Viewport
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{
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get
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{
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if (_viewport == null && Graph != null)
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_viewport = BlueprintToolProvider.GetToolByType<BlueprintViewportController>(Graph);
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return _viewport;
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}
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}
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// ---------- 拖拽状态 ----------
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private bool _isDragging;
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private int _activeDragButton = -1;
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private Vector2 senderPanDirection() => GraphInputTool.GetAdapter(Graph)?.PanDirection ?? Vector2.zero;
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private float senderZoomAxis() => GraphInputTool.GetAdapter(Graph)?.ZoomAxis ?? 0f;
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// ---------- 选择状态 ----------
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private BlueprintElementBase _hoveredElement;
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public override void OnPointerMove(GraphInputTool sender, Vector2 canvasPoint, Vector2 delta)
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{
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if (Graph == null || _isDragging) return;
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var hit = Graph.HitTest(canvasPoint);
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_hoveredElement = hit as BlueprintElementBase;
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}
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/// <summary>当前悬停的元素（可能为 null）</summary>
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public BlueprintElementBase HoveredElement => _hoveredElement;
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/// <summary>当前选中的元素（委托给 SelectorHandle）。</summary>
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public BlueprintElementBase SelectedElement =>
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BlueprintToolProvider.GetSelector(Graph).PrimarySelection as BlueprintElementBase;
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public override void OnConfigChanged()
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{
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var viewport = Viewport;
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if (viewport == null) return;
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var cfg = Config;
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viewport.MinZoom = cfg.MinZoom;
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viewport.MaxZoom = cfg.MaxZoom;
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viewport.TargetZoomLevel = Mathf.Clamp(viewport.TargetZoomLevel, cfg.MinZoom, cfg.MaxZoom);
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// ViewportController 是 Canvas Pan/Zoom 的唯一提交者；这里只更新 controller 的范围与目标。
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Graph?.MarkDirty();
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}
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public override void OnUpdate(float deltaTime)
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{
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if (Graph?.Canvas == null) return;
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var viewport = Viewport;
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if (viewport == null) return;
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var cfg = Config;
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// ── 同步缩放范围 ──
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viewport.MinZoom = cfg.MinZoom;
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viewport.MaxZoom = cfg.MaxZoom;
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// ── 键盘 Pan ──
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viewport.TargetPanOffset += senderPanDirection() * cfg.KeyboardPanSpeed * deltaTime;
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// ── 键盘 Zoom ──
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float zoomInput = senderZoomAxis();
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if (!Mathf.Approximately(zoomInput, 0f))
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{
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float oldZoom = viewport.TargetZoomLevel;
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float zoomDelta = zoomInput / cfg.ZoomDivisor;
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viewport.TargetZoomLevel = Mathf.Clamp(
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viewport.TargetZoomLevel + zoomDelta,
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viewport.MinZoom, viewport.MaxZoom);
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ApplyZoomFocus(oldZoom);
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}
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}
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// ===== 鼠标按下 =====
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public override void OnPointerDown(GraphInputTool sender, Vector2 canvasPoint, int mouseButton)
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{
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if (Graph == null) return;
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if (mouseButton == 2)
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{
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_isDragging = true;
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_activeDragButton = 2;
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}
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}
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// ===== 鼠标释放 =====
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public override void OnPointerUp(GraphInputTool sender, Vector2 canvasPoint, int mouseButton)
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{
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if (_isDragging && _activeDragButton == mouseButton)
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{
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_isDragging = false;
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_activeDragButton = -1;
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}
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}
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// ===== 拖拽 =====
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public override void OnPointerDrag(GraphInputTool sender, Vector2 canvasPoint, Vector2 delta, int mouseButton)
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{
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var viewport = Viewport;
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if (viewport == null) return;
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if (mouseButton == 2)
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{
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// canvas delta 在本帧 Pan 提交后会反向跳变；仅使用 RenderRoot local 平面 delta。
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viewport.TargetPanOffset += (sender?.PointerLocalDelta ?? Vector2.zero) * Config.DragPanSpeed;
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Graph.MarkDirty();
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}
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}
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// ===== 滚轮 =====
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public override void OnScroll(GraphInputTool sender, Vector2 canvasPoint, Vector2 scrollDelta)
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{
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var viewport = Viewport;
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if (viewport == null) return;
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float oldZoom = viewport.TargetZoomLevel;
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viewport.TargetZoomLevel = Mathf.Clamp(
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viewport.TargetZoomLevel + scrollDelta.y / Config.ZoomDivisor,
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viewport.MinZoom, viewport.MaxZoom);
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if (!Mathf.Approximately(oldZoom, viewport.TargetZoomLevel))
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{
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viewport.TargetPanOffset += canvasPoint * (oldZoom - viewport.TargetZoomLevel);
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Graph.MarkDirty();
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}
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}
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// ===== 快捷键 =====
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public override void OnAction(GraphInputTool sender, string actionName)
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{
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if (Graph?.Canvas == null) return;
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switch (actionName)
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{
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case BlueprintInputConstants.FocusHome:
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Viewport?.ResetView();
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break;
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case BlueprintInputConstants.Undo:
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break;
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case BlueprintInputConstants.Redo:
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break;
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case BlueprintInputConstants.NavigateParent:
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break;
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}
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}
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// ===== 以鼠标焦点为中心缩放（键盘调用 — 自行读取鼠标位置） =====
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private void ApplyZoomFocus(float oldZoom)
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{
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var viewport = Viewport;
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if (viewport == null || Graph?.Canvas == null) return;
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Vector2 canvasCursor = Graph.Canvas.ScreenToCanvas(BlueprintUGUIInputManager.MousePosition);
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viewport.TargetPanOffset += canvasCursor * (oldZoom - viewport.TargetZoomLevel);
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}
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private QuickGraphRenderStyleResolver _styles; private BlueprintViewportController _viewport; private bool _dragging; private int _button = -1; private BlueprintViewportController Viewport => _viewport ?? (_viewport = BlueprintToolProvider.GetToolByType<BlueprintViewportController>(Graph));
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private Vector2 Pan => GraphInputTool.GetAdapter(Graph)?.PanDirection ?? Vector2.zero; private float Zoom => GraphInputTool.GetAdapter(Graph)?.ZoomAxis ?? 0f;
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public override void OnInitialize() { _styles = new QuickGraphRenderStyleResolver(Graph); _styles.Changed += _ => ApplyViewport(); ApplyViewport(); }
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public override void OnConfigChanged() => _styles?.Refresh(); private void ApplyViewport() { if (Viewport == null || _styles == null) return; Graph?.MarkDirty(); }
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public override void OnUpdate(float dt) { if (Graph?.Canvas == null || Viewport == null || _styles == null) return; var s = _styles.Snapshot.Input; ApplyViewport(); Viewport.TargetPanOffset += Pan * s.KeyboardPanSpeed * dt; var input = Zoom; if (!Mathf.Approximately(input, 0f)) { var old = Viewport.TargetZoomLevel; Viewport.TargetZoomLevel += input * s.KeyboardZoomSpeed; ApplyFocus(old); } }
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public override void OnPointerDown(GraphInputTool sender, Vector2 point, int button) { if (_styles != null && button == _styles.Snapshot.Input.PanMouseButton) { _dragging = true; _button = button; } }
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public override void OnPointerUp(GraphInputTool sender, Vector2 point, int button) { if (_dragging && _button == button) { _dragging = false; _button = -1; } }
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public override void OnPointerDrag(GraphInputTool sender, Vector2 point, Vector2 delta, int button) { if (_dragging && _button == button && Viewport != null) { Viewport.TargetPanOffset += (sender?.PointerLocalDelta ?? Vector2.zero) * _styles.Snapshot.Input.DragPanSpeed; Graph.MarkDirty(); } }
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public override void OnScroll(GraphInputTool sender, Vector2 point, Vector2 delta) { if (Viewport == null || _styles == null) return; var old = Viewport.TargetZoomLevel; Viewport.TargetZoomLevel += delta.y / _styles.Snapshot.Input.ZoomDivisor; if (!Mathf.Approximately(old, Viewport.TargetZoomLevel)) { Viewport.TargetPanOffset += point * (old - Viewport.TargetZoomLevel); Graph.MarkDirty(); } }
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private void ApplyFocus(float old) { if (Viewport == null || Graph?.Canvas == null) return; var cursor = Graph.Canvas.ScreenToCanvas(BlueprintUGUIInputManager.MousePosition); Viewport.TargetPanOffset += cursor * (old - Viewport.TargetZoomLevel); }
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public override void OnDestroy() { _styles?.Dispose(); _styles = null; }
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}
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}
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