blob: 87eec1bc23e371229fc4382befcc18aa63f1979b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
using System;
using UnityEngine;
using UnityEngine.Timeline;
using UnityEngine.Playables;
namespace UnityEngine.Timeline
{
/// <summary>
/// Extension methods for TrackAssets
/// </summary>
public static class TrackAssetExtensions
{
/// <summary>
/// Gets the GroupTrack this track belongs to.
/// </summary>
/// <param name="asset">The track asset to find the group of</param>
/// <returns>The parent GroupTrack or null if the Track is an override track, or root track.</returns>
public static GroupTrack GetGroup(this TrackAsset asset)
{
if (asset == null)
return null;
return asset.parent as GroupTrack;
}
/// <summary>
/// Assigns the track to the specified group track.
/// </summary>
/// <param name="asset">The track to assign.</param>
/// <param name="group">The GroupTrack to assign the track to.</param>
/// <remarks>
/// Does not support assigning to a group in a different timeline.
/// </remarks>
public static void SetGroup(this TrackAsset asset, GroupTrack group)
{
const string undoString = "Reparent";
if (asset == null || asset == group || asset.parent == group)
return;
if (group != null && asset.timelineAsset != group.timelineAsset)
throw new InvalidOperationException("Cannot assign to a group in a different timeline");
TimelineUndo.PushUndo(asset, undoString);
var timeline = asset.timelineAsset;
var parentTrack = asset.parent as TrackAsset;
var parentTimeline = asset.parent as TimelineAsset;
if (parentTrack != null || parentTimeline != null)
{
TimelineUndo.PushUndo(asset.parent, undoString);
if (parentTimeline != null)
{
parentTimeline.RemoveTrack(asset);
}
else
{
parentTrack.RemoveSubTrack(asset);
}
}
if (group == null)
{
TimelineUndo.PushUndo(timeline, undoString);
asset.parent = asset.timelineAsset;
timeline.AddTrackInternal(asset);
}
else
{
TimelineUndo.PushUndo(group, undoString);
group.AddChild(asset);
}
}
}
}
|
