56 lines
1.6 KiB
C#
56 lines
1.6 KiB
C#
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using System;
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namespace UnityEngine.Timeline
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{
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/// <summary>
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/// Use Marker as a base class when creating a custom marker.
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/// </summary>
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/// <remarks>
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/// A marker is a point in time.
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/// </remarks>
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public abstract class Marker : ScriptableObject, IMarker
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{
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[SerializeField, TimeField, Tooltip("Time for the marker")] double m_Time;
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/// <inheritdoc/>
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public TrackAsset parent { get; private set; }
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/// <inheritdoc/>
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/// <remarks>
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/// The marker time cannot be negative.
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/// </remarks>
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public double time
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{
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get { return m_Time; }
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set { m_Time = Math.Max(value, 0); }
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}
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/// <inheritdoc/>
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void IMarker.Initialize(TrackAsset parentTrack)
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{
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// We only really want to update the parent when the object is first deserialized
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// If not a cloned track would "steal" the source's markers
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if (parent == null)
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{
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parent = parentTrack;
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try
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{
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OnInitialize(parentTrack);
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}
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catch (Exception e)
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{
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Debug.LogError(e.Message, this);
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}
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}
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}
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/// <summary>
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/// Override this method to receive a callback when the marker is initialized.
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/// </summary>
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/// <param name="aPent">The track that contains the marker.</param>
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public virtual void OnInitialize(TrackAsset aPent)
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{
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}
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}
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}
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