133 lines
4.8 KiB
C#
133 lines
4.8 KiB
C#
using System;
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using System.Linq;
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using UnityEngine;
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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_PlayRangeEnd;
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TimeAreaItem m_PlayRangeStart;
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void PlayRangeGUI(TimelineItemArea area)
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{
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if (!currentMode.ShouldShowPlayRange(state) || treeView == null)
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return;
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if (state.masterSequence.asset != null && !state.masterSequence.asset.GetRootTracks().Any())
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return;
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// left Time Cursor
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if (m_PlayRangeStart == null || m_PlayRangeStart.style != styles.playTimeRangeStart)
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{
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m_PlayRangeStart = new TimeAreaItem(styles.playTimeRangeStart, OnTrackHeadMinSelectDrag);
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Vector2 offset = new Vector2(-2.0f, 0);
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m_PlayRangeStart.boundOffset = offset;
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}
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// right Time Cursor
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if (m_PlayRangeEnd == null || m_PlayRangeEnd.style != styles.playTimeRangeEnd)
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{
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m_PlayRangeEnd = new TimeAreaItem(styles.playTimeRangeEnd, OnTrackHeadMaxSelectDrag);
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Vector2 offset = new Vector2(2.0f, 0);
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m_PlayRangeEnd.boundOffset = offset;
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}
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if (area == TimelineItemArea.Header)
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DrawPlayRange(true, false);
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else if (area == TimelineItemArea.Lines)
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DrawPlayRange(false, true);
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}
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void DrawPlayRange(bool drawHeads, bool drawLines)
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{
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Rect timeCursorRect = state.timeAreaRect;
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timeCursorRect.height = clientArea.height;
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m_PlayRangeEnd.HandleManipulatorsEvents(state);
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m_PlayRangeStart.HandleManipulatorsEvents(state);
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// The first time a user enable the play range, we put the play range 75% around the current time...
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if (state.playRange == TimelineAssetViewModel.NoPlayRangeSet)
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{
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double minimumPlayRangeTime = 0.01;
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double t0 = Math.Max(0.0f, state.PixelToTime(state.timeAreaRect.xMin));
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double t1 = Math.Min(state.masterSequence.duration, state.PixelToTime(state.timeAreaRect.xMax));
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if (Math.Abs(t1 - t0) <= minimumPlayRangeTime)
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{
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state.playRange = new PlayRange(t0, t1);
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return;
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}
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double deltaT = (t1 - t0) * 0.25 / 2.0;
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t0 += deltaT;
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t1 -= deltaT;
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if (t1 < t0)
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{
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double temp = t0;
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t0 = t1;
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t1 = temp;
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}
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if (Math.Abs(t1 - t0) < minimumPlayRangeTime)
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{
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if (t0 - minimumPlayRangeTime > 0.0f)
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t0 -= minimumPlayRangeTime;
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else if (t1 + minimumPlayRangeTime < state.masterSequence.duration)
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t1 += minimumPlayRangeTime;
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}
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state.playRange = new PlayRange(t0, t1);
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}
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// Draw the head or the lines according to the parameters..
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m_PlayRangeStart.drawHead = drawHeads;
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m_PlayRangeStart.drawLine = drawLines;
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m_PlayRangeEnd.drawHead = drawHeads;
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m_PlayRangeEnd.drawLine = drawLines;
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var playRangeTime = state.playRange;
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m_PlayRangeStart.Draw(sequenceContentRect, state, playRangeTime.start);
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m_PlayRangeEnd.Draw(sequenceContentRect, state, playRangeTime.end);
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// Draw Time Range Box from Start to End...
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if (state.playRangeEnabled && m_PlayHead != null)
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{
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Rect rect =
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Rect.MinMaxRect(
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Mathf.Clamp(state.TimeToPixel(playRangeTime.start), state.timeAreaRect.xMin, state.timeAreaRect.xMax),
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m_PlayHead.bounds.yMax,
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Mathf.Clamp(state.TimeToPixel(playRangeTime.end), state.timeAreaRect.xMin, state.timeAreaRect.xMax),
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sequenceContentRect.height + state.timeAreaRect.height + timeCursorRect.y
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);
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EditorGUI.DrawRect(rect, DirectorStyles.Instance.customSkin.colorRange);
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rect.height = 3f;
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EditorGUI.DrawRect(rect, Color.white);
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}
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}
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void OnTrackHeadMinSelectDrag(double newTime)
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{
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PlayRange range = state.playRange;
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range.start = newTime;
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state.playRange = range;
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m_PlayRangeStart.showTooltip = true;
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}
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void OnTrackHeadMaxSelectDrag(double newTime)
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{
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PlayRange range = state.playRange;
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range.end = newTime;
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state.playRange = range;
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m_PlayRangeEnd.showTooltip = true;
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}
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}
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}
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