87 lines
3.1 KiB
C#
87 lines
3.1 KiB
C#
using UnityEngine;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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class InfiniteTrackDrawer : TrackDrawer
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{
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readonly IPropertyKeyDataSource m_DataSource;
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Rect m_TrackRect;
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public InfiniteTrackDrawer(IPropertyKeyDataSource dataSource)
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{
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m_DataSource = dataSource;
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}
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public bool CanDraw(TrackAsset track, WindowState state)
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{
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var keys = m_DataSource.GetKeys();
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var isTrackEmpty = track.clips.Length == 0;
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return keys != null || (state.IsArmedForRecord(track) && isTrackEmpty);
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}
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static void DrawRecordBackground(Rect trackRect)
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{
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var styles = DirectorStyles.Instance;
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EditorGUI.DrawRect(trackRect, styles.customSkin.colorInfiniteTrackBackgroundRecording);
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Graphics.ShadowLabel(trackRect,
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DirectorStyles.Elipsify(DirectorStyles.recordingLabel.text, trackRect, styles.fontClip),
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styles.fontClip, Color.white, Color.black);
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}
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public override bool DrawTrack(Rect trackRect, TrackAsset trackAsset, Vector2 visibleTime, WindowState state)
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{
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m_TrackRect = trackRect;
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if (!CanDraw(trackAsset, state))
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return true;
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if (state.recording && state.IsArmedForRecord(trackAsset))
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DrawRecordBackground(trackRect);
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GUI.Box(trackRect, GUIContent.none, DirectorStyles.Instance.infiniteTrack);
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var shadowRect = trackRect;
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shadowRect.yMin = shadowRect.yMax;
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shadowRect.height = 15.0f;
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if (Event.current.type == EventType.Repaint)
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DirectorStyles.Instance.bottomShadow.Draw(shadowRect, false, false, false, false);
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var keys = m_DataSource.GetKeys();
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if (keys != null && keys.Length > 0)
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{
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foreach (var k in keys)
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DrawKeyFrame(k, state);
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}
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return true;
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}
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void DrawKeyFrame(float key, WindowState state)
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{
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var x = state.TimeToPixel(key);
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var bounds = new Rect(x, m_TrackRect.yMin + 3.0f, 1.0f, m_TrackRect.height - 6.0f);
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if (!m_TrackRect.Overlaps(bounds))
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return;
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var iconWidth = DirectorStyles.Instance.keyframe.fixedWidth;
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var iconHeight = DirectorStyles.Instance.keyframe.fixedHeight;
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var keyframeRect = bounds;
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keyframeRect.width = iconWidth;
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keyframeRect.height = iconHeight;
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keyframeRect.xMin -= iconWidth / 2.0f;
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keyframeRect.yMin = m_TrackRect.yMin + ((m_TrackRect.height - iconHeight) / 2.0f);
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// case 890650 : Make sure to use GUI.Label and not GUI.Box since the number of key frames can vary while dragging keys in the inline curves causing hotControls to be desynchronized
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GUI.Label(keyframeRect, GUIContent.none, DirectorStyles.Instance.keyframe);
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EditorGUI.DrawRect(bounds, DirectorStyles.Instance.customSkin.colorInfiniteClipLine);
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}
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}
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}
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