930 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			930 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using System;
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| using System.Collections.Generic;
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| using System.Linq;
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| using System.Reflection;
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| using UnityEditor.MemoryProfiler;
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| using UnityEditor.SceneManagement;
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| using UnityEngine;
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| using UnityEngine.Playables;
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| using UnityEngine.Timeline;
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| using Object = UnityEngine.Object;
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| 
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| namespace UnityEditor.Timeline
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| {
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|     static class TimelineHelpers
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|     {
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|         static List<Type> s_SubClassesOfTrackDrawer;
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| 
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|         // check whether the exposed reference is explicitly named
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|         static bool IsExposedReferenceExplicitlyNamed(string name)
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|         {
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|             if (string.IsNullOrEmpty(name))
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|                 return false;
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| 
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|             GUID guid;
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|             return !GUID.TryParse(name, out guid);
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|         }
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| 
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|         static string GenerateExposedReferenceName()
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|         {
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|             return UnityEditor.GUID.Generate().ToString();
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|         }
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| 
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|         public static void CloneExposedReferences(ScriptableObject clone, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable)
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|         {
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|             var cloneObject = new SerializedObject(clone);
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|             SerializedProperty prop = cloneObject.GetIterator();
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|             while (prop.Next(true))
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|             {
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|                 if (prop.propertyType == SerializedPropertyType.ExposedReference)
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|                 {
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|                     var exposedNameProp = prop.FindPropertyRelative("exposedName");
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|                     var sourceKey = exposedNameProp.stringValue;
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|                     var destKey = sourceKey;
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| 
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|                     if (!IsExposedReferenceExplicitlyNamed(sourceKey))
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|                         destKey = GenerateExposedReferenceName();
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| 
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|                     exposedNameProp.stringValue = destKey;
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| 
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|                     var requiresCopy = sourceTable != destTable || sourceKey != destKey;
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|                     if (requiresCopy && sourceTable != null && destTable != null)
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|                     {
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|                         var valid = false;
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|                         var target = sourceTable.GetReferenceValue(sourceKey, out valid);
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|                         if (valid && target != null)
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|                         {
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|                             var existing = destTable.GetReferenceValue(destKey, out valid);
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|                             if (!valid || existing != target)
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|                             {
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|                                 var destTableObj = destTable as UnityEngine.Object;
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|                                 if (destTableObj != null)
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|                                     TimelineUndo.PushUndo(destTableObj, "Create Clip");
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|                                 destTable.SetReferenceValue(destKey, target);
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|                             }
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|                         }
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|                     }
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|                 }
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|             }
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|             cloneObject.ApplyModifiedPropertiesWithoutUndo();
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|         }
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| 
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|         public static ScriptableObject CloneReferencedPlayableAsset(ScriptableObject original, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, Object newOwner)
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|         {
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|             var clone = Object.Instantiate(original);
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|             SaveCloneToAsset(clone, newOwner);
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|             if (clone == null || (clone as IPlayableAsset) == null)
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|             {
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|                 throw new InvalidCastException("could not cast instantiated object into IPlayableAsset");
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|             }
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|             CloneExposedReferences(clone, sourceTable, destTable);
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|             TimelineUndo.RegisterCreatedObjectUndo(clone, "Create clip");
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| 
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|             return clone;
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|         }
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| 
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|         static void SaveCloneToAsset(Object clone, Object newOwner)
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|         {
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|             if (newOwner == null)
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|                 return;
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| 
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|             var containerPath = AssetDatabase.GetAssetPath(newOwner);
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|             var containerAsset = AssetDatabase.LoadAssetAtPath<Object>(containerPath);
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|             if (containerAsset != null)
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|             {
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|                 TimelineCreateUtilities.SaveAssetIntoObject(clone, containerAsset);
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|                 EditorUtility.SetDirty(containerAsset);
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|             }
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|         }
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| 
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|         static AnimationClip CloneAnimationClip(AnimationClip clip, Object owner)
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|         {
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|             if (clip == null)
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|                 return null;
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| 
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|             var newClip = Object.Instantiate(clip);
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|             newClip.name = AnimationTrackRecorder.GetUniqueRecordedClipName(owner, clip.name);
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| 
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|             SaveAnimClipIntoObject(newClip, owner);
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|             TimelineUndo.RegisterCreatedObjectUndo(newClip, "Create clip");
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| 
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|             return newClip;
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|         }
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| 
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|         public static TimelineClip Clone(TimelineClip clip, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, double time, PlayableAsset newOwner = null)
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|         {
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|             if (newOwner == null)
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|                 newOwner = clip.parentTrack;
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| 
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|             TimelineClip newClip = DuplicateClip(clip, sourceTable, destTable, newOwner);
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|             newClip.start = time;
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|             var track = newClip.parentTrack;
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|             track.SortClips();
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|             TrackExtensions.ComputeBlendsFromOverlaps(track.clips);
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|             return newClip;
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|         }
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| 
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|         // Creates a complete clone of a track and returns it.
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|         // Does not parent, or add the track to the sequence
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|         public static TrackAsset Clone(PlayableAsset parent, TrackAsset trackAsset, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, PlayableAsset assetOwner = null)
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|         {
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|             if (trackAsset == null)
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|                 return null;
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| 
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|             var timelineAsset = trackAsset.timelineAsset;
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|             if (timelineAsset == null)
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|                 return null;
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| 
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|             if (assetOwner == null)
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|                 assetOwner = parent;
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| 
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|             // create a duplicate, then clear the clips and subtracks
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|             var newTrack = Object.Instantiate(trackAsset);
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|             newTrack.name = trackAsset.name;
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|             newTrack.ClearClipsInternal();
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|             newTrack.parent = parent;
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|             newTrack.ClearSubTracksInternal();
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| 
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|             if (trackAsset.hasCurves)
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|                 newTrack.curves = CloneAnimationClip(trackAsset.curves, assetOwner);
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| 
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|             var animTrack = trackAsset as AnimationTrack;
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|             if (animTrack != null && animTrack.infiniteClip != null)
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|                 ((AnimationTrack)newTrack).infiniteClip = CloneAnimationClip(animTrack.infiniteClip, assetOwner);
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| 
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|             foreach (var clip in trackAsset.clips)
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|             {
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|                 var newClip = DuplicateClip(clip, sourceTable, destTable, assetOwner);
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|                 newClip.parentTrack = newTrack;
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|             }
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| 
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|             newTrack.ClearMarkers();
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|             foreach (var e in trackAsset.GetMarkersRaw())
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|             {
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|                 var newMarker = Object.Instantiate(e);
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|                 newTrack.AddMarker(newMarker);
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|                 SaveCloneToAsset(newMarker, assetOwner);
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|                 if (newMarker is IMarker)
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|                 {
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|                     (newMarker as IMarker).Initialize(newTrack);
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|                 }
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|             }
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| 
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|             newTrack.SetCollapsed(trackAsset.GetCollapsed());
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| 
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|             // calling code is responsible for adding to asset, adding to sequence, and parenting,
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|             // and duplicating subtracks
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|             return newTrack;
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|         }
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| 
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|         public static IEnumerable<ITimelineItem> DuplicateItemsUsingCurrentEditMode(WindowState state, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, ItemsPerTrack items, TrackAsset targetParent, double candidateTime, string undoOperation)
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|         {
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|             if (targetParent != null)
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|             {
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|                 var aTrack = targetParent as AnimationTrack;
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|                 if (aTrack != null)
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|                     aTrack.ConvertToClipMode();
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| 
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|                 var duplicatedItems = DuplicateItems(items, targetParent, sourceTable, destTable, undoOperation);
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|                 FinalizeInsertItemsUsingCurrentEditMode(state, new[] {duplicatedItems}, candidateTime);
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|                 return duplicatedItems.items;
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|             }
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| 
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|             return Enumerable.Empty<ITimelineItem>();
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|         }
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| 
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|         public static IEnumerable<ITimelineItem> DuplicateItemsUsingCurrentEditMode(WindowState state, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, IEnumerable<ItemsPerTrack> items, double candidateTime, string undoOperation)
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|         {
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|             var duplicatedItemsGroups = new List<ItemsPerTrack>();
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|             foreach (var i in items)
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|                 duplicatedItemsGroups.Add(DuplicateItems(i, i.targetTrack, sourceTable, destTable, undoOperation));
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| 
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|             FinalizeInsertItemsUsingCurrentEditMode(state, duplicatedItemsGroups, candidateTime);
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|             return duplicatedItemsGroups.SelectMany(i => i.items);
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|         }
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| 
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|         internal static ItemsPerTrack DuplicateItems(ItemsPerTrack items, TrackAsset target, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, string undoOperation)
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|         {
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|             var duplicatedItems = new List<ITimelineItem>();
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|             var clips = items.clips.ToList();
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|             if (clips.Any())
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|             {
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|                 TimelineUndo.PushUndo(target, undoOperation);
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|                 duplicatedItems.AddRange(DuplicateClips(clips, sourceTable, destTable, target).ToItems());
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|                 TimelineUndo.PushUndo(target, undoOperation); // second undo causes reference fixups on redo (case 1063868)
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|             }
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| 
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|             var markers = items.markers.ToList();
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|             if (markers.Any())
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|             {
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|                 duplicatedItems.AddRange(MarkerModifier.CloneMarkersToParent(markers, target).ToItems());
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|             }
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| 
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|             return new ItemsPerTrack(target, duplicatedItems.ToArray());
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|         }
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| 
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|         static void FinalizeInsertItemsUsingCurrentEditMode(WindowState state, IList<ItemsPerTrack> itemsGroups, double candidateTime)
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|         {
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|             EditMode.FinalizeInsertItemsAtTime(itemsGroups, candidateTime);
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| 
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|             SelectionManager.Clear();
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|             foreach (var itemsGroup in itemsGroups)
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|             {
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|                 var track = itemsGroup.targetTrack;
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|                 var items = itemsGroup.items;
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| 
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|                 EditModeUtils.SetParentTrack(items, track);
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| 
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|                 track.SortClips();
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| 
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|                 TrackExtensions.ComputeBlendsFromOverlaps(track.clips);
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|                 track.CalculateExtrapolationTimes();
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| 
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|                 foreach (var item in items)
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|                     if (item.gui != null) item.gui.Select();
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|             }
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| 
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|             var allItems = itemsGroups.SelectMany(x => x.items).ToList();
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|             foreach (var item in allItems)
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|             {
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|                 SelectionManager.Add(item);
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|             }
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| 
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|             FrameItems(state, allItems);
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|         }
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| 
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|         internal static TimelineClip Clone(TimelineClip clip, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, PlayableAsset newOwner)
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|         {
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|             var editorClip = EditorClipFactory.GetEditorClip(clip);
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|             // Workaround for Clips not being unity object, assign it to a editor clip wrapper, clone it, and pull the clip back out
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|             var newClip = Object.Instantiate(editorClip).clip;
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| 
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|             // perform fix ups for what Instantiate cannot properly detect
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|             SelectionManager.Remove(newClip);
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|             newClip.parentTrack = null;
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|             newClip.curves = null; // instantiate might copy the reference, we need to clear it
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| 
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|             // curves are explicitly owned by the clip
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|             if (clip.curves != null)
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|             {
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|                 newClip.CreateCurves(AnimationTrackRecorder.GetUniqueRecordedClipName(newOwner, clip.curves.name));
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|                 EditorUtility.CopySerialized(clip.curves, newClip.curves);
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|                 TimelineCreateUtilities.SaveAssetIntoObject(newClip.curves, newOwner);
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|             }
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| 
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|             ScriptableObject playableAsset = newClip.asset as ScriptableObject;
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|             if (playableAsset != null && newClip.asset is IPlayableAsset)
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|             {
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|                 var clone = CloneReferencedPlayableAsset(playableAsset, sourceTable, destTable, newOwner);
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|                 newClip.asset = clone;
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| 
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|                 // special case to make the name match the recordable clips, but only if they match on the original clip
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|                 var originalRecordedAsset = clip.asset as AnimationPlayableAsset;
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|                 if (clip.recordable && originalRecordedAsset != null && originalRecordedAsset.clip != null)
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|                 {
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|                     AnimationPlayableAsset clonedAnimationAsset = clone as AnimationPlayableAsset;
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|                     if (clonedAnimationAsset != null && clonedAnimationAsset.clip != null)
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|                     {
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|                         clonedAnimationAsset.clip = CloneAnimationClip(originalRecordedAsset.clip, newOwner);
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|                         if (clip.displayName == originalRecordedAsset.clip.name && newClip.recordable)
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|                         {
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|                             clonedAnimationAsset.name = clonedAnimationAsset.clip.name;
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|                             newClip.displayName = clonedAnimationAsset.name;
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|                         }
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|                     }
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|                 }
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|             }
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| 
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|             return newClip;
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|         }
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| 
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|         static TimelineClip[] DuplicateClips(IEnumerable<TimelineClip> clips, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, PlayableAsset newOwner)
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|         {
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|             var newClips = new TimelineClip[clips.Count()];
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| 
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|             int i = 0;
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| 
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|             foreach (var clip in clips)
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|             {
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|                 var newParent = newOwner == null ? clip.parentTrack : newOwner;
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|                 var newClip = DuplicateClip(clip, sourceTable, destTable, newParent);
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|                 newClip.parentTrack = null;
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|                 newClips[i++] = newClip;
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|             }
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| 
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|             return newClips;
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|         }
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| 
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|         static TimelineClip DuplicateClip(TimelineClip clip, IExposedPropertyTable sourceTable, IExposedPropertyTable destTable, PlayableAsset newOwner)
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|         {
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|             var newClip = Clone(clip, sourceTable, destTable, newOwner);
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| 
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|             var track = clip.parentTrack;
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|             if (track != null)
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|             {
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|                 newClip.parentTrack = track;
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|                 track.AddClip(newClip);
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|             }
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| 
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|             var editor = CustomTimelineEditorCache.GetClipEditor(clip);
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|             try
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|             {
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|                 editor.OnCreate(newClip, track, clip);
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|             }
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|             catch (Exception e)
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|             {
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|                 Debug.LogException(e);
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|             }
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| 
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|             return newClip;
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|         }
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| 
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|         // Given a track type, return all the playable asset types that should be
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|         //  visible to the user via menus
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| 
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|         // Given a track type, return all the playable asset types
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| 
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| 
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|         public static Type GetCustomDrawer(Type trackType)
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|         {
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|             if (s_SubClassesOfTrackDrawer == null)
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|             {
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|                 s_SubClassesOfTrackDrawer = TypeCache.GetTypesDerivedFrom<TrackDrawer>().ToList();
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|             }
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| 
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|             foreach (var drawer in s_SubClassesOfTrackDrawer)
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|             {
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|                 var attr = Attribute.GetCustomAttribute(drawer, typeof(CustomTrackDrawerAttribute), false) as CustomTrackDrawerAttribute;
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|                 if (attr != null && attr.assetType.IsAssignableFrom(trackType))
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|                     return drawer;
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|             }
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| 
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|             return typeof(TrackDrawer);
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|         }
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| 
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|         public static bool HaveSameContainerAsset(Object assetA, Object assetB)
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|         {
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|             if (assetA == null || assetB == null)
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|                 return false;
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| 
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|             if ((assetA.hideFlags & HideFlags.DontSave) != 0  && (assetB.hideFlags & HideFlags.DontSave) != 0)
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|                 return true;
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| 
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|             return AssetDatabase.GetAssetPath(assetA) == AssetDatabase.GetAssetPath(assetB);
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|         }
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| 
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|         public static void SaveAnimClipIntoObject(AnimationClip clip, Object asset)
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|         {
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|             if (asset != null)
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|             {
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|                 clip.hideFlags = asset.hideFlags & ~HideFlags.HideInHierarchy; // show animation clips, even if the parent track isn't
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|                 if ((clip.hideFlags & HideFlags.DontSave) == 0)
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|                 {
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|                     AssetDatabase.AddObjectToAsset(clip, asset);
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|                 }
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|             }
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|         }
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| 
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|         // Make sure a gameobject has all the required component for the given TrackAsset
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|         public static Component AddRequiredComponent(GameObject go, TrackAsset asset)
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|         {
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|             if (go == null || asset == null)
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|                 return null;
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| 
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|             var bindings = asset.outputs;
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|             if (!bindings.Any())
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|                 return null;
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| 
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|             var binding = bindings.First();
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|             if (binding.outputTargetType == null || !typeof(Component).IsAssignableFrom(binding.outputTargetType))
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|                 return null;
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| 
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|             var component = go.GetComponent(binding.outputTargetType);
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|             if (component == null)
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|             {
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|                 component = Undo.AddComponent(go, binding.outputTargetType);
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|             }
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|             return component;
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|         }
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| 
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|         public static string GetTrackCategoryName(System.Type trackType)
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|         {
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|             if (trackType == null)
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|                 return string.Empty;
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| 
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|             string s = GetItemCategoryName(trackType);
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|             if (!String.IsNullOrEmpty(s))
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|                 return s;
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| 
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|             if (trackType.Namespace == null || trackType.Namespace.Contains("UnityEngine"))
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|                 return string.Empty;
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| 
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|             return trackType.Namespace + "/";
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|         }
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| 
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|         public static string GetItemCategoryName(System.Type itemType)
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|         {
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|             if (itemType == null)
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|                 return string.Empty;
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| 
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|             var attribute = itemType.GetCustomAttribute(typeof(MenuCategoryAttribute)) as MenuCategoryAttribute;
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|             if (attribute != null)
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|             {
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|                 var s = attribute.category;
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|                 if (!s.EndsWith("/"))
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|                     s += "/";
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|                 return s;
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|             }
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| 
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|             return string.Empty;
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|         }
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| 
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|         public static string GetTrackMenuName(System.Type trackType)
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|         {
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|             return ObjectNames.NicifyVariableName(trackType.Name);
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|         }
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| 
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|         // retrieve the duration of a single loop, taking into account speed
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|         public static double GetLoopDuration(TimelineClip clip)
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|         {
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|             double length = clip.clipAssetDuration;
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|             if (double.IsNegativeInfinity(length) || double.IsNaN(length))
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|                 return TimelineClip.kMinDuration;
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| 
 | |
|             if (length == double.MaxValue || double.IsInfinity(length))
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|             {
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|                 return double.MaxValue;
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|             }
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| 
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|             return Math.Max(TimelineClip.kMinDuration, length / clip.timeScale);
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|         }
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| 
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|         public static double GetClipAssetEndTime(TimelineClip clip)
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|         {
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|             var d = GetLoopDuration(clip);
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|             if (d < double.MaxValue)
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|                 d = clip.FromLocalTimeUnbound(d);
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| 
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|             return d;
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|         }
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| 
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|         // Checks if the underlying asset duration is usable. This means the clip
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|         //  can loop or hold
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|         public static bool HasUsableAssetDuration(TimelineClip clip)
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|         {
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|             double length = clip.clipAssetDuration;
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|             return (length < TimelineClip.kMaxTimeValue) && !double.IsInfinity(length) && !double.IsNaN(length);
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|         }
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| 
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|         // Retrieves the starting point of each loop of a clip, relative to the start of the clip
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|         //  Note that if clip-in is bigger than the loopDuration, negative times will be added
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|         public static double[] GetLoopTimes(TimelineClip clip)
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|         {
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|             if (!HasUsableAssetDuration(clip))
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|                 return new[] {-clip.clipIn / clip.timeScale};
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| 
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|             var times = new List<double>();
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|             double loopDuration = GetLoopDuration(clip);
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| 
 | |
|             if (loopDuration <= TimeUtility.kTimeEpsilon)
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|                 return new double[] {};
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| 
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| 
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|             double start = -clip.clipIn / clip.timeScale;
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|             double end = start + loopDuration;
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| 
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|             times.Add(start);
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|             while (end < clip.duration - WindowState.kTimeEpsilon)
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|             {
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|                 times.Add(end);
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|                 end += loopDuration;
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|             }
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| 
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|             return times.ToArray();
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|         }
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| 
 | |
|         public static double GetCandidateTime(WindowState state, Vector2? mousePosition, params TrackAsset[] trackAssets)
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|         {
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|             // Right-Click
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|             if (mousePosition != null)
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|                 return state.GetSnappedTimeAtMousePosition(mousePosition.Value);
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| 
 | |
|             // Playhead
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|             if (state != null && state.editSequence.director != null)
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|                 return state.SnapToFrameIfRequired(state.editSequence.time);
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| 
 | |
|             // Specific tracks end
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|             if (trackAssets != null && trackAssets.Any())
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|             {
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|                 var items = trackAssets.SelectMany(t => t.GetItems()).ToList();
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|                 return items.Any() ? items.Max(i => i.end) : 0;
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|             }
 | |
| 
 | |
|             // Timeline tracks end
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|             if (state != null && state.editSequence.asset != null)
 | |
|                 return state.editSequence.asset.flattenedTracks.Any() ? state.editSequence.asset.flattenedTracks.Max(t => t.end) : 0;
 | |
| 
 | |
|             return 0.0;
 | |
|         }
 | |
| 
 | |
|         public static TimelineClip CreateClipOnTrack(Object asset, TrackAsset parentTrack, WindowState state)
 | |
|         {
 | |
|             return CreateClipOnTrack(asset, parentTrack, GetCandidateTime(state, null, parentTrack), state);
 | |
|         }
 | |
| 
 | |
|         public static TimelineClip CreateClipOnTrack(Object asset, TrackAsset parentTrack, double candidateTime)
 | |
|         {
 | |
|             WindowState state = null;
 | |
|             if (TimelineWindow.instance != null)
 | |
|                 state = TimelineWindow.instance.state;
 | |
| 
 | |
|             return CreateClipOnTrack(asset, parentTrack, candidateTime, state);
 | |
|         }
 | |
| 
 | |
|         public static TimelineClip CreateClipOnTrack(Type playableAssetType, TrackAsset parentTrack, WindowState state)
 | |
|         {
 | |
|             return CreateClipOnTrack(playableAssetType, null, parentTrack, GetCandidateTime(state, null, parentTrack), state);
 | |
|         }
 | |
| 
 | |
|         public static TimelineClip CreateClipOnTrack(Type playableAssetType, TrackAsset parentTrack, double candidateTime)
 | |
|         {
 | |
|             return CreateClipOnTrack(playableAssetType, null, parentTrack, candidateTime);
 | |
|         }
 | |
| 
 | |
|         public static TimelineClip CreateClipOnTrack(Object asset, TrackAsset parentTrack, double candidateTime, WindowState state)
 | |
|         {
 | |
|             if (parentTrack == null)
 | |
|                 return null;
 | |
| 
 | |
|             // pick the first clip type available, unless there is one that matches the asset
 | |
|             var clipType = TypeUtility.GetPlayableAssetsHandledByTrack(parentTrack.GetType()).FirstOrDefault();
 | |
|             if (asset != null)
 | |
|                 clipType = TypeUtility.GetAssetTypesForObject(parentTrack.GetType(), asset).FirstOrDefault();
 | |
| 
 | |
|             if (clipType == null)
 | |
|                 return null;
 | |
| 
 | |
|             return CreateClipOnTrack(clipType, asset, parentTrack, candidateTime, state);
 | |
|         }
 | |
| 
 | |
|         public static TimelineClip CreateClipOnTrack(Type playableAssetType, Object assignableObject, TrackAsset parentTrack, double candidateTime)
 | |
|         {
 | |
|             WindowState state = null;
 | |
|             if (TimelineWindow.instance != null)
 | |
|                 state = TimelineWindow.instance.state;
 | |
| 
 | |
|             return CreateClipOnTrack(playableAssetType, assignableObject, parentTrack, candidateTime, state);
 | |
|         }
 | |
| 
 | |
|         public static TimelineClip CreateClipOnTrack(Type playableAssetType, Object assignableObject, TrackAsset parentTrack, double candidateTime, WindowState state)
 | |
|         {
 | |
|             if (parentTrack == null)
 | |
|                 return null;
 | |
| 
 | |
|             bool revertClipMode = false;
 | |
| 
 | |
|             // Ideally this is done automatically by the animation track,
 | |
|             // but it's editor only because it does animation clip manipulation
 | |
|             var animTrack = parentTrack as AnimationTrack;
 | |
|             if (animTrack != null && animTrack.CanConvertToClipMode())
 | |
|             {
 | |
|                 animTrack.ConvertToClipMode();
 | |
|                 revertClipMode = true;
 | |
|             }
 | |
| 
 | |
|             TimelineClip newClip = null;
 | |
|             if (TypeUtility.IsConcretePlayableAsset(playableAssetType))
 | |
|             {
 | |
|                 try
 | |
|                 {
 | |
|                     newClip = parentTrack.CreateClipOfType(playableAssetType);
 | |
|                 }
 | |
|                 catch (InvalidOperationException) {}    // expected on a mismatch
 | |
|             }
 | |
| 
 | |
|             if (newClip == null)
 | |
|             {
 | |
|                 if (revertClipMode)
 | |
|                     animTrack.ConvertFromClipMode(animTrack.timelineAsset);
 | |
| 
 | |
|                 Debug.LogWarningFormat("Cannot create a clip of type {0} on a track of type {1}", playableAssetType.Name, parentTrack.GetType().Name);
 | |
|                 return null;
 | |
|             }
 | |
| 
 | |
|             AddClipOnTrack(newClip, parentTrack, candidateTime, assignableObject, state);
 | |
| 
 | |
|             return newClip;
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Create a clip on track from an existing PlayableAsset
 | |
|         /// </summary>
 | |
|         public static TimelineClip CreateClipOnTrackFromPlayableAsset(IPlayableAsset asset, TrackAsset parentTrack, double candidateTime)
 | |
|         {
 | |
|             if (parentTrack == null || asset == null || !TypeUtility.IsConcretePlayableAsset(asset.GetType()))
 | |
|                 return null;
 | |
| 
 | |
|             TimelineClip newClip = null;
 | |
|             try
 | |
|             {
 | |
|                 newClip = parentTrack.CreateClipFromPlayableAsset(asset);
 | |
|             }
 | |
|             catch
 | |
|             {
 | |
|                 return null;
 | |
|             }
 | |
| 
 | |
|             WindowState state = null;
 | |
|             if (TimelineWindow.instance != null)
 | |
|                 state = TimelineWindow.instance.state;
 | |
| 
 | |
|             AddClipOnTrack(newClip, parentTrack, candidateTime, null, state);
 | |
| 
 | |
|             return newClip;
 | |
|         }
 | |
| 
 | |
|         public static void CreateClipsFromObjects(Type assetType, TrackAsset targetTrack, double candidateTime, IEnumerable<Object> objects)
 | |
|         {
 | |
|             foreach (var obj in objects)
 | |
|             {
 | |
|                 if (ObjectReferenceField.FindObjectReferences(assetType).Any(f => f.IsAssignable(obj)))
 | |
|                 {
 | |
|                     var clip = CreateClipOnTrack(assetType, obj, targetTrack, candidateTime);
 | |
|                     candidateTime += clip.duration;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         public static void CreateMarkersFromObjects(Type assetType, TrackAsset targetTrack, double candidateTime, IEnumerable<Object> objects)
 | |
|         {
 | |
|             var mList = new List<ITimelineItem>();
 | |
|             foreach (var obj in objects)
 | |
|             {
 | |
|                 if (ObjectReferenceField.FindObjectReferences(assetType).Any(f => f.IsAssignable(obj)))
 | |
|                 {
 | |
|                     var marker = CreateMarkerOnTrack(assetType, obj, targetTrack, candidateTime);
 | |
|                     mList.Add(marker.ToItem());
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             var state = TimelineWindow.instance.state;
 | |
|             for (var i = 1; i < mList.Count; ++i)
 | |
|             {
 | |
|                 var delta = ItemsUtils.TimeGapBetweenItems(mList[i - 1], mList[i], state);
 | |
|                 mList[i].start += delta;
 | |
|             }
 | |
| 
 | |
|             FinalizeInsertItemsUsingCurrentEditMode(state, new[] {new ItemsPerTrack(targetTrack, mList)}, candidateTime);
 | |
|             state.Refresh();
 | |
|         }
 | |
| 
 | |
|         public static IMarker CreateMarkerOnTrack(Type markerType, Object assignableObject, TrackAsset parentTrack, double candidateTime)
 | |
|         {
 | |
|             WindowState state = null;
 | |
|             if (TimelineWindow.instance != null)
 | |
|                 state = TimelineWindow.instance.state;
 | |
| 
 | |
|             var newMarker = parentTrack.CreateMarker(markerType, candidateTime); //Throws if marker is not an object
 | |
|             var obj = newMarker as ScriptableObject;
 | |
|             if (obj != null)
 | |
|                 obj.name = TypeUtility.GetDisplayName(markerType);
 | |
| 
 | |
|             if (assignableObject != null)
 | |
|             {
 | |
|                 var director = state != null ? state.editSequence.director : null;
 | |
|                 foreach (var field in ObjectReferenceField.FindObjectReferences(markerType))
 | |
|                 {
 | |
|                     if (field.IsAssignable(assignableObject))
 | |
|                     {
 | |
|                         field.Assign(newMarker as ScriptableObject, assignableObject, director);
 | |
|                         break;
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             try
 | |
|             {
 | |
|                 CustomTimelineEditorCache.GetMarkerEditor(newMarker).OnCreate(newMarker, null);
 | |
|             }
 | |
|             catch (Exception e)
 | |
|             {
 | |
|                 Debug.LogException(e);
 | |
|             }
 | |
| 
 | |
|             return newMarker;
 | |
|         }
 | |
| 
 | |
|         public static void CreateClipsFromTypes(IEnumerable<Type> assetTypes, TrackAsset targetTrack, double candidateTime)
 | |
|         {
 | |
|             foreach (var assetType in assetTypes)
 | |
|             {
 | |
|                 var clip = CreateClipOnTrack(assetType, targetTrack, candidateTime);
 | |
|                 candidateTime += clip.duration;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         public static void FrameItems(WindowState state, IEnumerable<ITimelineItem> items)
 | |
|         {
 | |
|             if (items == null || !items.Any() || state == null)
 | |
|                 return;
 | |
| 
 | |
|             // if this is called before a repaint, the timeArea can be null
 | |
|             var window = state.editorWindow as TimelineWindow;
 | |
|             if (window == null || window.timeArea == null)
 | |
|                 return;
 | |
| 
 | |
|             var start = (float)items.Min(x => x.start);
 | |
|             var end = (float)items.Max(x => x.end);
 | |
|             var timeRange = state.timeAreaShownRange;
 | |
| 
 | |
|             // nothing to do
 | |
|             if (timeRange.x <= start && timeRange.y >= end)
 | |
|                 return;
 | |
| 
 | |
|             var ds = start - timeRange.x;
 | |
|             var de = end - timeRange.y;
 | |
| 
 | |
|             var padding = state.PixelDeltaToDeltaTime(15);
 | |
|             var d = Math.Abs(ds) < Math.Abs(de) ? ds - padding : de + padding;
 | |
| 
 | |
|             state.SetTimeAreaShownRange(timeRange.x + d, timeRange.y + d);
 | |
|         }
 | |
| 
 | |
|         public static void Frame(WindowState state, double start, double end)
 | |
|         {
 | |
|             var timeRange = state.timeAreaShownRange;
 | |
| 
 | |
|             // nothing to do
 | |
|             if (timeRange.x <= start && timeRange.y >= end)
 | |
|                 return;
 | |
| 
 | |
|             var ds = (float)start - timeRange.x;
 | |
|             var de = (float)end - timeRange.y;
 | |
| 
 | |
|             var padding = state.PixelDeltaToDeltaTime(15);
 | |
|             var d = Math.Abs(ds) < Math.Abs(de) ? ds - padding : de + padding;
 | |
| 
 | |
|             state.SetTimeAreaShownRange(timeRange.x + d, timeRange.y + d);
 | |
|         }
 | |
| 
 | |
|         public static void RangeSelect<T>(IList<T> totalCollection, IList<T> currentSelection, T clickedItem, Action<T> selector, Action<T> remover) where T : class
 | |
|         {
 | |
|             var firstSelect = currentSelection.FirstOrDefault();
 | |
|             if (firstSelect == null)
 | |
|             {
 | |
|                 selector(clickedItem);
 | |
|                 return;
 | |
|             }
 | |
| 
 | |
|             var idxFirstSelect = totalCollection.IndexOf(firstSelect);
 | |
|             var idxLastSelect = totalCollection.IndexOf(currentSelection.Last());
 | |
|             var idxClicked = totalCollection.IndexOf(clickedItem);
 | |
| 
 | |
|             //case 927807: selection is invalid
 | |
|             if (idxFirstSelect < 0)
 | |
|             {
 | |
|                 SelectionManager.Clear();
 | |
|                 selector(clickedItem);
 | |
|                 return;
 | |
|             }
 | |
| 
 | |
|             // Expand the selection between the first selected clip and clicked clip (insertion order is important)
 | |
|             if (idxFirstSelect < idxClicked)
 | |
|                 for (var i = idxFirstSelect; i <= idxClicked; ++i)
 | |
|                     selector(totalCollection[i]);
 | |
|             else
 | |
|                 for (var i = idxFirstSelect; i >= idxClicked; --i)
 | |
|                     selector(totalCollection[i]);
 | |
| 
 | |
|             // If clicked inside the selected range, shrink the selection between the the click and last selected clip
 | |
|             if (Math.Min(idxFirstSelect, idxLastSelect) < idxClicked && idxClicked < Math.Max(idxFirstSelect, idxLastSelect))
 | |
|                 for (var i = Math.Min(idxLastSelect, idxClicked); i <= Math.Max(idxLastSelect, idxClicked); ++i)
 | |
|                     remover(totalCollection[i]);
 | |
| 
 | |
|             // Ensure clicked clip is selected
 | |
|             selector(clickedItem);
 | |
|         }
 | |
| 
 | |
|         public static void Bind(TrackAsset track, Object obj, PlayableDirector director)
 | |
|         {
 | |
|             if (director != null && track != null)
 | |
|             {
 | |
|                 var bindType = TypeUtility.GetTrackBindingAttribute(track.GetType());
 | |
|                 if (bindType == null || bindType.type == null)
 | |
|                     return;
 | |
| 
 | |
|                 if (obj == null || bindType.type.IsInstanceOfType(obj))
 | |
|                 {
 | |
|                     TimelineUndo.PushUndo(director, "Bind Track");
 | |
|                     director.SetGenericBinding(track, obj);
 | |
|                 }
 | |
|                 else if (obj is GameObject && typeof(Component).IsAssignableFrom(bindType.type))
 | |
|                 {
 | |
|                     var component = (obj as GameObject).GetComponent(bindType.type);
 | |
|                     if (component == null)
 | |
|                         component = Undo.AddComponent(obj as GameObject, bindType.type);
 | |
| 
 | |
|                     TimelineUndo.PushUndo(director, "Bind Track");
 | |
|                     director.SetGenericBinding(track, component);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Shared code for adding a clip to a track
 | |
|         /// </summary>
 | |
|         static void AddClipOnTrack(TimelineClip newClip, TrackAsset parentTrack, double candidateTime, Object assignableObject, WindowState state)
 | |
|         {
 | |
|             var playableAsset = newClip.asset as IPlayableAsset;
 | |
| 
 | |
|             newClip.parentTrack = null;
 | |
|             newClip.timeScale = 1.0;
 | |
|             newClip.mixInCurve = AnimationCurve.EaseInOut(0, 0, 1, 1);
 | |
|             newClip.mixOutCurve = AnimationCurve.EaseInOut(0, 1, 1, 0);
 | |
| 
 | |
|             var playableDirector = state != null ? state.editSequence.director : null;
 | |
| 
 | |
|             if (assignableObject != null)
 | |
|             {
 | |
|                 foreach (var field in ObjectReferenceField.FindObjectReferences(playableAsset.GetType()))
 | |
|                 {
 | |
|                     if (field.IsAssignable(assignableObject))
 | |
|                     {
 | |
|                         newClip.displayName = assignableObject.name;
 | |
|                         field.Assign(newClip.asset as PlayableAsset, assignableObject, playableDirector);
 | |
|                         break;
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             // get the clip editor
 | |
|             try
 | |
|             {
 | |
|                 CustomTimelineEditorCache.GetClipEditor(newClip).OnCreate(newClip, parentTrack, null);
 | |
|             }
 | |
|             catch (Exception e)
 | |
|             {
 | |
|                 Debug.LogException(e);
 | |
|             }
 | |
| 
 | |
| 
 | |
|             // reset the duration as the newly assigned values may have changed the default
 | |
|             if (playableAsset != null)
 | |
|             {
 | |
|                 var candidateDuration = playableAsset.duration;
 | |
| 
 | |
|                 if (!double.IsInfinity(candidateDuration) && candidateDuration > 0)
 | |
|                     newClip.duration = Math.Min(Math.Max(candidateDuration, TimelineClip.kMinDuration), TimelineClip.kMaxTimeValue);
 | |
|             }
 | |
| 
 | |
|             var newClipsByTracks = new[] { new ItemsPerTrack(parentTrack, new[] {newClip.ToItem()}) };
 | |
| 
 | |
|             FinalizeInsertItemsUsingCurrentEditMode(state, newClipsByTracks, candidateTime);
 | |
| 
 | |
|             if (state != null)
 | |
|                 state.Refresh();
 | |
|         }
 | |
| 
 | |
|         public static TrackAsset CreateTrack(TimelineAsset asset, Type type, TrackAsset parent = null, string name = null)
 | |
|         {
 | |
|             if (asset == null)
 | |
|                 return null;
 | |
| 
 | |
|             var track = asset.CreateTrack(type, parent, name);
 | |
|             if (track != null)
 | |
|             {
 | |
|                 if (parent != null)
 | |
|                     parent.SetCollapsed(false);
 | |
| 
 | |
|                 var editor = CustomTimelineEditorCache.GetTrackEditor(track);
 | |
|                 try
 | |
|                 {
 | |
|                     editor.OnCreate(track, null);
 | |
|                 }
 | |
|                 catch (Exception e)
 | |
|                 {
 | |
|                     Debug.LogException(e);
 | |
|                 }
 | |
|                 TimelineEditor.Refresh(RefreshReason.ContentsAddedOrRemoved);
 | |
|             }
 | |
| 
 | |
|             return track;
 | |
|         }
 | |
| 
 | |
|         public static TrackAsset CreateTrack(Type type, TrackAsset parent = null, string name = null)
 | |
|         {
 | |
|             return CreateTrack(TimelineEditor.inspectedAsset, type, parent, name);
 | |
|         }
 | |
| 
 | |
|         public static T CreateTrack<T>(TimelineAsset asset, TrackAsset parent = null, string name = null) where T : TrackAsset
 | |
|         {
 | |
|             return (T)CreateTrack(asset, typeof(T), parent, name);
 | |
|         }
 | |
| 
 | |
|         public static T CreateTrack<T>(TrackAsset parent = null, string name = null) where T : TrackAsset
 | |
|         {
 | |
|             return (T)CreateTrack(TimelineEditor.inspectedAsset, typeof(T), parent, name);
 | |
|         }
 | |
|     }
 | |
| }
 |