A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using UnityEngine.Playables;
2
3namespace UnityEngine.Timeline
4{
5 /// <summary>
6 /// A PlayableBehaviour that manages a component that implements the ITimeControl interface
7 /// </summary>
8 public class TimeControlPlayable : PlayableBehaviour
9 {
10 ITimeControl m_timeControl;
11
12 bool m_started;
13
14 /// <summary>
15 /// Creates a Playable with a TimeControlPlayable behaviour attached
16 /// </summary>
17 /// <param name="graph">The PlayableGraph to inject the Playable into.</param>
18 /// <param name="timeControl"></param>
19 /// <returns></returns>
20 public static ScriptPlayable<TimeControlPlayable> Create(PlayableGraph graph, ITimeControl timeControl)
21 {
22 if (timeControl == null)
23 return ScriptPlayable<TimeControlPlayable>.Null;
24
25 var handle = ScriptPlayable<TimeControlPlayable>.Create(graph);
26 handle.GetBehaviour().Initialize(timeControl);
27 return handle;
28 }
29
30 /// <summary>
31 /// Initializes the behaviour
32 /// </summary>
33 /// <param name="timeControl">Component that implements the ITimeControl interface</param>
34 public void Initialize(ITimeControl timeControl)
35 {
36 m_timeControl = timeControl;
37 }
38
39 /// <summary>
40 /// This function is called during the PrepareFrame phase of the PlayableGraph.
41 /// </summary>
42 /// <param name="playable">The Playable that owns the current PlayableBehaviour.</param>
43 /// <param name="info">A FrameData structure that contains information about the current frame context.</param>
44 public override void PrepareFrame(Playable playable, FrameData info)
45 {
46 Debug.Assert(m_started, "PrepareFrame has been called without OnControlTimeStart being called first.");
47 if (m_timeControl != null)
48 m_timeControl.SetTime(playable.GetTime());
49 }
50
51 /// <summary>
52 /// This function is called when the Playable play state is changed to Playables.PlayState.Playing.
53 /// </summary>
54 /// <param name="playable">The Playable that owns the current PlayableBehaviour.</param>
55 /// <param name="info">A FrameData structure that contains information about the current frame context.</param>
56 public override void OnBehaviourPlay(Playable playable, FrameData info)
57 {
58 if (m_timeControl == null)
59 return;
60
61 if (!m_started)
62 {
63 m_timeControl.OnControlTimeStart();
64 m_started = true;
65 }
66 }
67
68 /// <summary>
69 /// This function is called when the Playable play state is changed to PlayState.Paused.
70 /// </summary>
71 /// <param name="playable">The playable this behaviour is attached to.</param>
72 /// <param name="info">A FrameData structure that contains information about the current frame context.</param>
73 public override void OnBehaviourPause(Playable playable, FrameData info)
74 {
75 if (m_timeControl == null)
76 return;
77
78 if (m_started)
79 {
80 m_timeControl.OnControlTimeStop();
81 m_started = false;
82 }
83 }
84 }
85}