84 lines
2.7 KiB
C#
84 lines
2.7 KiB
C#
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using System;
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using UnityEngine;
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using UnityEngine.Timeline;
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using UnityEngine.Playables;
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namespace UnityEditor.Timeline
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{
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partial class TimelineWindow
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{
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TimeAreaItem m_PlayHead;
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void TimeCursorGUI(TimelineItemArea area)
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{
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DrawTimeOnSlider();
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if (!CanDrawTimeCursor(area))
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return;
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if (m_PlayHead == null || m_PlayHead.style != styles.timeCursor)
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{
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m_PlayHead = new TimeAreaItem(styles.timeCursor, OnTrackHeadDrag);
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m_PlayHead.AddManipulator(new PlayheadContextMenu(m_PlayHead));
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}
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var headerMode = area == TimelineItemArea.Header;
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DrawTimeCursor(headerMode, !headerMode);
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}
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bool CanDrawTimeCursor(TimelineItemArea area)
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{
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if (!currentMode.ShouldShowTimeCursor(state))
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return false;
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if (treeView == null || state.editSequence.asset == null || (state.editSequence.asset != null && state.IsEditingAnEmptyTimeline()))
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return false;
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if (area == TimelineItemArea.Lines && !state.TimeIsInRange((float)state.editSequence.time))
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return false;
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return true;
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}
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void DrawTimeOnSlider()
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{
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if (currentMode.ShouldShowTimeCursor(state))
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{
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var colorDimFactor = EditorGUIUtility.isProSkin ? 0.7f : 0.9f;
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var c = styles.timeCursor.normal.textColor * colorDimFactor;
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float time = Mathf.Max((float)state.editSequence.time, 0);
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float duration = (float)state.editSequence.duration;
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m_TimeArea.DrawTimeOnSlider(time, c, duration, DirectorStyles.kDurationGuiThickness);
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}
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}
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void DrawTimeCursor(bool drawHead, bool drawline)
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{
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m_PlayHead.HandleManipulatorsEvents(state);
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if (Event.current.type == EventType.MouseDown && Event.current.button == 0)
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{
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if (state.timeAreaRect.Contains(Event.current.mousePosition))
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{
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state.SetPlaying(false);
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m_PlayHead.HandleManipulatorsEvents(state);
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state.editSequence.time = Math.Max(0.0, state.GetSnappedTimeAtMousePosition(Event.current.mousePosition));
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}
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}
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state.isClipSnapping = false;
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m_PlayHead.drawLine = drawline;
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m_PlayHead.drawHead = drawHead;
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m_PlayHead.Draw(sequenceContentRect, state, state.editSequence.time);
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}
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void OnTrackHeadDrag(double newTime)
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{
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state.editSequence.time = Math.Max(0.0, newTime);
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m_PlayHead.showTooltip = true;
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}
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}
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}
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