311 lines
12 KiB
C#
311 lines
12 KiB
C#
using System.Linq;
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using JetBrains.Annotations;
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using UnityEngine;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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interface IClipCurveEditorOwner
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{
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ClipCurveEditor clipCurveEditor { get; }
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bool inlineCurvesSelected { get; }
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bool showLoops { get; }
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TrackAsset owner { get; }
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void SelectCurves();
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void ValidateCurvesSelection();
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}
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class InlineCurveResizeHandle : IBounds
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{
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public Rect boundingRect { get; private set; }
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public TimelineTrackGUI trackGUI { get; }
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public InlineCurveResizeHandle(TimelineTrackGUI trackGUI)
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{
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this.trackGUI = trackGUI;
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}
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public void Draw(Rect headerRect, WindowState state)
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{
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const float resizeHandleHeight = WindowConstants.trackResizeHandleHeight;
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var rect = new Rect(headerRect.xMin, headerRect.yMax - resizeHandleHeight + 1f, headerRect.width, resizeHandleHeight);
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EditorGUIUtility.AddCursorRect(rect, MouseCursor.SplitResizeUpDown);
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boundingRect = trackGUI.ToWindowSpace(rect);
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if (Event.current.type == EventType.Repaint)
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{
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state.headerSpacePartitioner.AddBounds(this);
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EditorGUI.DrawRect(rect, DirectorStyles.Instance.customSkin.colorAnimEditorBinding);
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var dragStyle = DirectorStyles.Instance.inlineCurveHandle;
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dragStyle.Draw(rect, GUIContent.none, false, false, false, false);
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}
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}
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}
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class InlineCurveEditor : IBounds
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{
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Rect m_TrackRect;
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Rect m_HeaderRect;
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readonly TimelineTrackGUI m_TrackGUI;
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readonly InlineCurveResizeHandle m_ResizeHandle;
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bool m_LastSelectionWasClip;
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TimelineClipGUI m_LastSelectedClipGUI;
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Rect IBounds.boundingRect { get { return m_TrackGUI.ToWindowSpace(m_TrackRect); } }
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[UsedImplicitly] // Used in tests
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public TimelineClipGUI currentClipGui
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{
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get { return m_LastSelectedClipGUI; }
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}
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public IClipCurveEditorOwner currentCurveEditor
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{
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get { return m_LastSelectionWasClip ? (IClipCurveEditorOwner)m_LastSelectedClipGUI : (IClipCurveEditorOwner)m_TrackGUI; }
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}
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public InlineCurveEditor(TimelineTrackGUI trackGUI)
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{
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m_TrackGUI = trackGUI;
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m_ResizeHandle = new InlineCurveResizeHandle(trackGUI);
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}
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static bool MouseOverTrackArea(Rect curveRect, Rect trackRect)
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{
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curveRect.y = trackRect.y;
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curveRect.height = trackRect.height;
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// clamp the curve editor to the track. this allows the menu to scroll properly
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curveRect.xMin = Mathf.Max(curveRect.xMin, trackRect.xMin);
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curveRect.xMax = trackRect.xMax;
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return curveRect.Contains(Event.current.mousePosition);
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}
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static bool MouseOverHeaderArea(Rect headerRect, Rect trackRect)
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{
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headerRect.y = trackRect.y;
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headerRect.height = trackRect.height;
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return headerRect.Contains(Event.current.mousePosition);
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}
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static void DrawCurveEditor(IClipCurveEditorOwner clipCurveEditorOwner, WindowState state, Rect headerRect, Rect trackRect, Vector2 activeRange, bool locked)
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{
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ClipCurveEditor clipCurveEditor = clipCurveEditorOwner.clipCurveEditor;
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CurveDataSource dataSource = clipCurveEditor.dataSource;
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Rect curveRect = dataSource.GetBackgroundRect(state);
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var newlySelected = false;
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var currentEvent = Event.current;
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if (currentEvent.type == EventType.MouseDown || currentEvent.type == EventType.ContextClick)
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newlySelected = MouseOverTrackArea(curveRect, trackRect) || MouseOverHeaderArea(headerRect, trackRect);
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// make sure to not use any event before drawing the curve.
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bool prevEnabledState = GUI.enabled;
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GUI.enabled = true;
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clipCurveEditorOwner.clipCurveEditor.DrawHeader(headerRect);
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GUI.enabled = prevEnabledState;
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bool displayAsSelected = !locked && (clipCurveEditorOwner.inlineCurvesSelected || newlySelected);
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using (new EditorGUI.DisabledScope(locked))
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clipCurveEditor.DrawCurveEditor(trackRect, state, activeRange, clipCurveEditorOwner.showLoops, displayAsSelected);
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if (newlySelected && !locked)
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OnMouseClick(clipCurveEditorOwner, currentEvent);
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}
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static void OnMouseClick(IClipCurveEditorOwner clipCurveEditorOwner, Event currentEvent)
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{
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if (currentEvent.modifiers == ManipulatorsUtils.actionModifier)
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{
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if (clipCurveEditorOwner.inlineCurvesSelected)
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SelectionManager.Clear();
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else
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clipCurveEditorOwner.SelectCurves();
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}
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else
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{
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clipCurveEditorOwner.SelectCurves();
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}
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HandleCurrentEvent();
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}
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public void Draw(Rect headerRect, Rect trackRect, WindowState state)
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{
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const float inlineCurveBottomPadding = WindowConstants.inlineCurveContentPadding;
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m_TrackRect = trackRect;
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m_TrackRect.height -= inlineCurveBottomPadding;
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if (Event.current.type == EventType.Repaint)
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state.spacePartitioner.AddBounds(this);
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// Remove the indentation of this track to render it properly, otherwise every GUI elements will be offsetted.
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headerRect.x -= DirectorStyles.kBaseIndent;
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headerRect.width += DirectorStyles.kBaseIndent;
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// Remove the width of the color swatch.
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headerRect.x += 4.0f;
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headerRect.width -= 4.0f;
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m_HeaderRect = headerRect;
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EditorGUI.DrawRect(m_HeaderRect, DirectorStyles.Instance.customSkin.colorAnimEditorBinding);
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if (ShouldShowClipCurves(state))
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{
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DrawCurveEditorsForClipsOnTrack(m_HeaderRect, m_TrackRect, state);
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}
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else if (ShouldShowTrackCurves())
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{
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DrawCurveEditorForTrack(m_HeaderRect, m_TrackRect, state);
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}
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else
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{
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DrawCurvesEditorForNothingSelected(m_HeaderRect, m_TrackRect, state);
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}
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m_ResizeHandle.Draw(headerRect, state);
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var bottomPadding = new Rect(trackRect.xMin, trackRect.yMax - inlineCurveBottomPadding, trackRect.width, inlineCurveBottomPadding);
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EditorGUI.DrawRect(bottomPadding, DirectorStyles.Instance.customSkin.colorTrackBackground);
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// If MouseDown or ContextClick are not consumed by the curves, use the event to prevent it from going deeper into the treeview.
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if (Event.current.type == EventType.ContextClick)
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{
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var r = Rect.MinMaxRect(m_HeaderRect.xMin, m_HeaderRect.yMin, m_TrackRect.xMax, m_TrackRect.yMax);
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if (r.Contains(Event.current.mousePosition))
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Event.current.Use();
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}
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UpdateViewModel();
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}
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void DrawCurveEditorForTrack(Rect headerRect, Rect trackRect, WindowState state)
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{
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if (m_TrackGUI.clipCurveEditor == null)
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return;
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var activeRange = new Vector2(state.TimeToPixel(0.0d), state.TimeToPixel(state.editSequence.duration));
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DrawCurveEditor(m_TrackGUI, state, headerRect, trackRect, activeRange, m_TrackGUI.locked);
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m_LastSelectionWasClip = false;
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}
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void DrawCurveEditorsForClipsOnTrack(Rect headerRect, Rect trackRect, WindowState state)
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{
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if (m_TrackGUI.clips.Count == 0)
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return;
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if (Event.current.type == EventType.Layout)
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{
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var selectedClip = SelectionManager.SelectedClipGUI().FirstOrDefault(x => x.parent == m_TrackGUI);
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if (selectedClip != null)
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{
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m_LastSelectedClipGUI = selectedClip;
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SelectFromCurveOwner(m_LastSelectedClipGUI);
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}
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else if (state.recording && state.IsArmedForRecord(m_TrackGUI.track))
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{
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if (m_LastSelectedClipGUI == null || !m_TrackGUI.track.IsRecordingToClip(m_LastSelectedClipGUI.clip))
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{
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var clip = m_TrackGUI.clips.FirstOrDefault(x => m_TrackGUI.track.IsRecordingToClip(x.clip));
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if (clip != null)
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m_LastSelectedClipGUI = clip;
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}
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}
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if (m_LastSelectedClipGUI == null)
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m_LastSelectedClipGUI = m_TrackGUI.clips[0];
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}
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if (m_LastSelectedClipGUI == null || m_LastSelectedClipGUI.clipCurveEditor == null || m_LastSelectedClipGUI.isInvalid)
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return;
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var activeRange = new Vector2(state.TimeToPixel(m_LastSelectedClipGUI.clip.start), state.TimeToPixel(m_LastSelectedClipGUI.clip.end));
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DrawCurveEditor(m_LastSelectedClipGUI, state, headerRect, trackRect, activeRange, m_TrackGUI.locked);
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m_LastSelectionWasClip = true;
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}
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void DrawCurvesEditorForNothingSelected(Rect headerRect, Rect trackRect, WindowState state)
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{
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if (m_LastSelectionWasClip || !TrackHasCurvesToShow() && m_TrackGUI.clips.Count > 0)
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{
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DrawCurveEditorsForClipsOnTrack(headerRect, trackRect, state);
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}
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else
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{
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DrawCurveEditorForTrack(headerRect, trackRect, state);
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}
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}
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bool ShouldShowClipCurves(WindowState state)
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{
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if (m_TrackGUI.clips.Count == 0)
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return false;
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// Is a clip selected or being recorded to?
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return SelectionManager.SelectedClipGUI().FirstOrDefault(x => x.parent == m_TrackGUI) != null ||
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state.recording && state.IsArmedForRecord(m_TrackGUI.track) && m_TrackGUI.clips.FirstOrDefault(x => m_TrackGUI.track.IsRecordingToClip(x.clip)) != null;
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}
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bool ShouldShowTrackCurves()
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{
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if (m_TrackGUI == null)
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return false;
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var isTrackSelected = SelectionManager.SelectedTrackGUI().FirstOrDefault(x => x == m_TrackGUI) != null;
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if (!isTrackSelected)
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return false;
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return TrackHasCurvesToShow();
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}
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bool TrackHasCurvesToShow()
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{
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var animTrack = m_TrackGUI.track as AnimationTrack;
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if (animTrack != null && !animTrack.inClipMode)
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return true;
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return m_TrackGUI.track.HasAnyAnimatableParameters();
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}
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void UpdateViewModel()
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{
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var curveEditor = currentCurveEditor.clipCurveEditor;
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if (curveEditor == null || curveEditor.bindingHierarchy.treeViewController == null)
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return;
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var vm = TimelineWindowViewPrefs.GetTrackViewModelData(m_TrackGUI.track);
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vm.inlineCurvesState = curveEditor.bindingHierarchy.treeViewController.state;
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vm.inlineCurvesShownAreaInsideMargins = curveEditor.shownAreaInsideMargins;
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vm.lastInlineCurveDataID = curveEditor.dataSource.id;
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}
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static void HandleCurrentEvent()
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{
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#if UNITY_EDITOR_OSX
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Event.current.type = EventType.Ignore;
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#else
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Event.current.Use();
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#endif
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}
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static void SelectFromCurveOwner(IClipCurveEditorOwner curveOwner)
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{
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if (curveOwner.clipCurveEditor == null)
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{
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SelectionManager.SelectInlineCurveEditor(null);
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}
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else if (!curveOwner.inlineCurvesSelected && SelectionManager.Count() == 1)
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{
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SelectionManager.SelectInlineCurveEditor(curveOwner);
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}
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}
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}
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}
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