85 lines
2.8 KiB
C#
85 lines
2.8 KiB
C#
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using System;
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using UnityEngine;
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using UnityEngine.Playables;
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using UnityEngine.Timeline;
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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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void OnPreviewPlayModeChanged(bool isPlaying)
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{
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if (state != null && !state.ignorePreview && isPlaying)
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{
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PreparePreviewPlay();
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EditorApplication.update += OnPreviewPlay;
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}
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else
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{
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EditorApplication.update -= OnPreviewPlay;
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}
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}
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void PreparePreviewPlay()
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{
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if (state == null || state.masterSequence.asset == null || state.masterSequence.director == null)
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return;
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if (state.playRangeEnabled && !state.isJogging)
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{
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EnsurePlayRangeIsRespected();
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}
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}
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internal void OnPreviewPlay()
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{
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if (state == null || state.masterSequence.asset == null || state.masterSequence.director == null)
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return;
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var director = state.masterSequence.director;
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if (director.timeUpdateMode == DirectorUpdateMode.Manual)
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{
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Repaint();
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return;
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}
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if (state.isJogging)
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{
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ApplyJog();
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}
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else if (state.playRangeEnabled)
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{
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EnsurePlayRangeIsRespected();
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}
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if (director.extrapolationMode == DirectorWrapMode.None && director.playableGraph.IsValid() && !state.playRangeEnabled && director.playableGraph.IsDone())
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{
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//reset time if we hit the end of the timeline
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state.masterSequence.time = 0.0;
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state.Pause();
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}
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Repaint();
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AudioMixerWindow.RepaintAudioMixerWindow();
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}
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void ApplyJog()
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{
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state.masterSequence.time = Math.Max(0.0, Math.Min(state.masterSequence.duration, state.masterSequence.time + state.playbackSpeed));
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}
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void EnsurePlayRangeIsRespected()
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{
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var playRangeTime = state.playRange;
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var time = state.masterSequence.time;
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if (Math.Abs(time - playRangeTime.y) < TimeUtility.kFrameRateEpsilon || time > playRangeTime.y || time < playRangeTime.x)
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{
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state.masterSequence.time = playRangeTime.x;
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// case 1215926 : Special case to make the director mode to play if the wrap mode is None.
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// In that mode, the engine stop the graph before we can ensure play range is respected.
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if (!state.playing && state.masterSequence.director.extrapolationMode == DirectorWrapMode.None)
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state.Play();
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}
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}
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}
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}
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