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using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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enum CurveChangeType
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{
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None,
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CurveModified,
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CurveAddedOrRemoved
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}
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abstract class CurveDataSource
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{
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public static CurveDataSource Create(IRowGUI trackGUI)
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{
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if (trackGUI.asset is AnimationTrack)
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return new InfiniteClipCurveDataSource(trackGUI);
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return new TrackParametersCurveDataSource(trackGUI);
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}
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public static CurveDataSource Create(TimelineClipGUI clipGUI)
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{
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if (clipGUI.clip.animationClip != null)
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return new ClipAnimationCurveDataSource(clipGUI);
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return new ClipParametersCurveDataSource(clipGUI);
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}
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int? m_ID = null;
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public int id
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{
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get
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{
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if (!m_ID.HasValue)
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m_ID = CreateHashCode();
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return m_ID.Value;
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}
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}
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readonly IRowGUI m_TrackGUI;
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protected CurveDataSource(IRowGUI trackGUI)
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{
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m_TrackGUI = trackGUI;
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}
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public abstract AnimationClip animationClip { get; }
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public abstract float start { get; }
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public abstract float timeScale { get; }
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public abstract string groupingName { get; }
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// Applies changes from the visual curve in the curve wrapper back to the animation clips
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public virtual void ApplyCurveChanges(IEnumerable<CurveWrapper> updatedCurves)
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{
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Undo.RegisterCompleteObjectUndo(animationClip, "Edit Clip Curve");
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foreach (CurveWrapper c in updatedCurves)
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{
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if (c.curve.length > 0)
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AnimationUtility.SetEditorCurve(animationClip, c.binding, c.curve);
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else
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RemoveCurves(new[] {c.binding});
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c.changed = false;
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}
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}
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/// <summary>The clip version is a value that will change when a curve gets updated.
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/// it's used to detect when an animation clip has been changed externally </summary>
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/// <returns>A versioning value indicating the state of the curve. If the curve is updated externally this value will change. </returns>
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public virtual UInt64 GetClipVersion()
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{
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return animationClip.ClipVersion();
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}
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/// <summary>Call this method to check if the underlying clip has changed</summary>
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/// <param name="curveVersion">A versioning value. This will be updated to the latest version</param>
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/// <returns>A value indicating how the clip has changed</returns>
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public virtual CurveChangeType UpdateExternalChanges(ref UInt64 curveVersion)
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{
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return animationClip.GetChangeType(ref curveVersion);
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}
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public virtual string ModifyPropertyDisplayName(string path, string propertyName) => propertyName;
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public virtual void RemoveCurves(IEnumerable<EditorCurveBinding> bindings)
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{
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Undo.RegisterCompleteObjectUndo(animationClip, "Remove Curve(s)");
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foreach (var binding in bindings)
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{
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if (binding.isPPtrCurve)
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AnimationUtility.SetObjectReferenceCurve(animationClip, binding, null);
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else
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AnimationUtility.SetEditorCurve(animationClip, binding, null);
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}
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}
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public Rect GetBackgroundRect(WindowState state)
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{
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var trackRect = m_TrackGUI.boundingRect;
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return new Rect(
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state.timeAreaTranslation.x + trackRect.xMin,
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trackRect.y,
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(float)state.editSequence.asset.duration * state.timeAreaScale.x,
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trackRect.height
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);
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}
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public List<CurveWrapper> GenerateWrappers(IEnumerable<EditorCurveBinding> bindings)
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{
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var wrappers = new List<CurveWrapper>(bindings.Count());
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int curveWrapperId = 0;
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foreach (EditorCurveBinding b in bindings)
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{
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// General configuration
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var wrapper = new CurveWrapper
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{
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id = curveWrapperId++,
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binding = b,
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groupId = -1,
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hidden = false,
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readOnly = false,
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getAxisUiScalarsCallback = () => new Vector2(1, 1)
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};
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// Specific configuration
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ConfigureCurveWrapper(wrapper);
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wrappers.Add(wrapper);
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}
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return wrappers;
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}
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protected virtual void ConfigureCurveWrapper(CurveWrapper wrapper)
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{
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wrapper.color = CurveUtility.GetPropertyColor(wrapper.binding.propertyName);
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wrapper.renderer = new NormalCurveRenderer(AnimationUtility.GetEditorCurve(animationClip, wrapper.binding));
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wrapper.renderer.SetCustomRange(0.0f, animationClip.length);
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}
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protected virtual int CreateHashCode()
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{
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return m_TrackGUI.asset.GetHashCode();
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}
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}
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class ClipAnimationCurveDataSource : CurveDataSource
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{
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static readonly string k_GroupingName = L10n.Tr("Animated Values");
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readonly TimelineClipGUI m_ClipGUI;
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public ClipAnimationCurveDataSource(TimelineClipGUI clipGUI) : base(clipGUI.parent)
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{
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m_ClipGUI = clipGUI;
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}
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public override AnimationClip animationClip
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{
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get { return m_ClipGUI.clip.animationClip; }
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}
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public override float start
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{
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get { return (float)m_ClipGUI.clip.FromLocalTimeUnbound(0.0); }
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}
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public override float timeScale
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{
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get { return (float)m_ClipGUI.clip.timeScale; }
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}
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public override string groupingName
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{
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get { return k_GroupingName; }
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}
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protected override int CreateHashCode()
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{
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return base.CreateHashCode().CombineHash(m_ClipGUI.clip.GetHashCode());
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}
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public override string ModifyPropertyDisplayName(string path, string propertyName)
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{
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if (!AnimatedPropertyUtility.IsMaterialProperty(propertyName))
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return propertyName;
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var track = m_ClipGUI.clip.GetParentTrack();
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if (track == null)
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return propertyName;
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var gameObjectBinding = TimelineUtility.GetSceneGameObject(TimelineEditor.inspectedDirector, track);
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if (gameObjectBinding == null)
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return propertyName;
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if (!string.IsNullOrEmpty(path))
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{
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var transform = gameObjectBinding.transform.Find(path);
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if (transform == null)
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return propertyName;
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gameObjectBinding = transform.gameObject;
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}
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return AnimatedPropertyUtility.RemapMaterialName(gameObjectBinding, propertyName);
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}
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}
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class ClipParametersCurveDataSource : CurveDataSource
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{
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static readonly string k_GroupingName = L10n.Tr("Clip Properties");
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readonly TimelineClipGUI m_ClipGUI;
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readonly CurvesProxy m_CurvesProxy;
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private int m_ClipDirtyVersion;
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public ClipParametersCurveDataSource(TimelineClipGUI clipGUI) : base(clipGUI.parent)
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{
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m_ClipGUI = clipGUI;
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m_CurvesProxy = new CurvesProxy(clipGUI.clip);
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}
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public override AnimationClip animationClip
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{
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get { return m_CurvesProxy.curves; }
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}
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public override UInt64 GetClipVersion()
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{
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return sourceAnimationClip.ClipVersion();
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}
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public override CurveChangeType UpdateExternalChanges(ref ulong curveVersion)
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{
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if (m_ClipGUI == null || m_ClipGUI.clip == null)
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return CurveChangeType.None;
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var changeType = sourceAnimationClip.GetChangeType(ref curveVersion);
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if (changeType != CurveChangeType.None)
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{
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m_CurvesProxy.ApplyExternalChangesToProxy();
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}
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else if (m_ClipDirtyVersion != m_ClipGUI.clip.DirtyIndex)
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{
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m_CurvesProxy.UpdateProxyCurves();
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if (changeType == CurveChangeType.None)
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changeType = CurveChangeType.CurveModified;
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}
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m_ClipDirtyVersion = m_ClipGUI.clip.DirtyIndex;
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return changeType;
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}
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public override float start
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{
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get { return (float)m_ClipGUI.clip.FromLocalTimeUnbound(0.0); }
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}
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public override float timeScale
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{
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get { return (float)m_ClipGUI.clip.timeScale; }
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}
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public override string groupingName
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{
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get { return k_GroupingName; }
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}
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public override void RemoveCurves(IEnumerable<EditorCurveBinding> bindings)
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{
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m_CurvesProxy.RemoveCurves(bindings);
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}
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public override void ApplyCurveChanges(IEnumerable<CurveWrapper> updatedCurves)
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{
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m_CurvesProxy.UpdateCurves(updatedCurves);
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}
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protected override void ConfigureCurveWrapper(CurveWrapper wrapper)
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{
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m_CurvesProxy.ConfigureCurveWrapper(wrapper);
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}
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protected override int CreateHashCode()
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{
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return base.CreateHashCode().CombineHash(m_ClipGUI.clip.GetHashCode());
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}
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private AnimationClip sourceAnimationClip
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{
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get
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{
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if (m_ClipGUI == null || m_ClipGUI.clip == null || m_ClipGUI.clip.curves == null)
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return null;
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return m_ClipGUI.clip.curves;
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}
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}
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}
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class InfiniteClipCurveDataSource : CurveDataSource
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{
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static readonly string k_GroupingName = L10n.Tr("Animated Values");
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readonly AnimationTrack m_AnimationTrack;
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public InfiniteClipCurveDataSource(IRowGUI trackGui) : base(trackGui)
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{
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m_AnimationTrack = trackGui.asset as AnimationTrack;
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}
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public override AnimationClip animationClip
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{
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get { return m_AnimationTrack.infiniteClip; }
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}
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public override float start
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{
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get { return 0.0f; }
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}
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public override float timeScale
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{
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get { return 1.0f; }
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}
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public override string groupingName
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{
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get { return k_GroupingName; }
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}
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public override string ModifyPropertyDisplayName(string path, string propertyName)
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{
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if (m_AnimationTrack == null || !AnimatedPropertyUtility.IsMaterialProperty(propertyName))
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return propertyName;
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var binding = m_AnimationTrack.GetBinding(TimelineEditor.inspectedDirector);
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if (binding == null)
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return propertyName;
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var target = binding.transform;
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if (!string.IsNullOrEmpty(path))
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target = target.Find(path);
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if (target == null)
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return propertyName;
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return AnimatedPropertyUtility.RemapMaterialName(target.gameObject, propertyName);
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}
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}
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class TrackParametersCurveDataSource : CurveDataSource
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{
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static readonly string k_GroupingName = L10n.Tr("Track Properties");
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readonly CurvesProxy m_CurvesProxy;
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private int m_TrackDirtyVersion;
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public TrackParametersCurveDataSource(IRowGUI trackGui) : base(trackGui)
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{
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m_CurvesProxy = new CurvesProxy(trackGui.asset);
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}
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public override AnimationClip animationClip
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{
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get { return m_CurvesProxy.curves; }
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}
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public override UInt64 GetClipVersion()
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{
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return sourceAnimationClip.ClipVersion();
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}
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public override CurveChangeType UpdateExternalChanges(ref ulong curveVersion)
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{
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if (m_CurvesProxy.targetTrack == null)
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return CurveChangeType.None;
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var changeType = sourceAnimationClip.GetChangeType(ref curveVersion);
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if (changeType != CurveChangeType.None)
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{
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m_CurvesProxy.ApplyExternalChangesToProxy();
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}
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// track property has changed externally, update the curve proxies
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else if (m_TrackDirtyVersion != m_CurvesProxy.targetTrack.DirtyIndex)
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{
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if (changeType == CurveChangeType.None)
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changeType = CurveChangeType.CurveModified;
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m_CurvesProxy.UpdateProxyCurves();
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}
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m_TrackDirtyVersion = m_CurvesProxy.targetTrack.DirtyIndex;
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return changeType;
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}
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public override float start
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{
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get { return 0.0f; }
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}
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public override float timeScale
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{
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get { return 1.0f; }
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}
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public override string groupingName
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{
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get { return k_GroupingName; }
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}
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public override void RemoveCurves(IEnumerable<EditorCurveBinding> bindings)
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{
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m_CurvesProxy.RemoveCurves(bindings);
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}
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public override void ApplyCurveChanges(IEnumerable<CurveWrapper> updatedCurves)
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{
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m_CurvesProxy.UpdateCurves(updatedCurves);
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}
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protected override void ConfigureCurveWrapper(CurveWrapper wrapper)
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{
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m_CurvesProxy.ConfigureCurveWrapper(wrapper);
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}
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private AnimationClip sourceAnimationClip
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{
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get
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{
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if (m_CurvesProxy.targetTrack == null || m_CurvesProxy.targetTrack.curves == null)
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return null;
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return m_CurvesProxy.targetTrack.curves;
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}
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}
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}
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}
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