143 lines
4.8 KiB
C#
143 lines
4.8 KiB
C#
using System;
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using System.Collections.Generic;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace UnityEngine.Timeline
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{
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static class TimelineCreateUtilities
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{
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// based off of ObjectNames.GetUniqueName, but can exist in runtime
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public static string GenerateUniqueActorName(List<ScriptableObject> tracks, string name)
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{
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if (!tracks.Exists(x => ((object)x) != null && x.name == name))
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return name;
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int numberInParentheses = 0;
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string baseName = name;
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if (!string.IsNullOrEmpty(name) && name[name.Length - 1] == ')')
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{
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int index = name.LastIndexOf('(');
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if (index > 0)
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{
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string numberString = name.Substring(index + 1, name.Length - index - 2);
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if (int.TryParse(numberString, out numberInParentheses))
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{
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numberInParentheses++;
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baseName = name.Substring(0, index);
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}
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}
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}
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baseName = baseName.TrimEnd();
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for (int i = numberInParentheses; i < numberInParentheses + 5000; i++)
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{
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if (i > 0)
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{
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string result = string.Format("{0} ({1})", baseName, i);
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if (!tracks.Exists(x => ((object)x) != null && x.name == result))
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return result;
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}
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}
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// Fallback
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return name;
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}
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public static void SaveAssetIntoObject(Object childAsset, Object masterAsset)
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{
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if (childAsset == null || masterAsset == null)
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return;
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if ((masterAsset.hideFlags & HideFlags.DontSave) != 0)
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{
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childAsset.hideFlags |= HideFlags.DontSave;
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}
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else
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{
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childAsset.hideFlags |= HideFlags.HideInHierarchy;
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#if UNITY_EDITOR
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if (!AssetDatabase.Contains(childAsset) && AssetDatabase.Contains(masterAsset))
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AssetDatabase.AddObjectToAsset(childAsset, masterAsset);
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#endif
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}
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}
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public static void RemoveAssetFromObject(Object childAsset, Object masterAsset)
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{
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if (childAsset == null || masterAsset == null)
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return;
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#if UNITY_EDITOR
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if (AssetDatabase.Contains(childAsset) && AssetDatabase.Contains(masterAsset))
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AssetDatabase.RemoveObjectFromAsset(childAsset);
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#endif
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}
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public static AnimationClip CreateAnimationClipForTrack(string name, TrackAsset track, bool isLegacy)
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{
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var timelineAsset = track != null ? track.timelineAsset : null;
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var trackFlags = track != null ? track.hideFlags : HideFlags.None;
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var curves = new AnimationClip
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{
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legacy = isLegacy,
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name = name,
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frameRate = timelineAsset == null
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? (float)TimelineAsset.EditorSettings.kDefaultFrameRate
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: (float)timelineAsset.editorSettings.frameRate
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};
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SaveAssetIntoObject(curves, timelineAsset);
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curves.hideFlags = trackFlags & ~HideFlags.HideInHierarchy; // Never hide in hierarchy
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TimelineUndo.RegisterCreatedObjectUndo(curves, "Create Curves");
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return curves;
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}
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public static bool ValidateParentTrack(TrackAsset parent, Type childType)
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{
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if (childType == null || !typeof(TrackAsset).IsAssignableFrom(childType))
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return false;
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// no parent is valid for any type
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if (parent == null)
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return true;
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// A track supports layers if it implements ILayerable. Only supported for parents that are
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// the same exact type as the child class, and 1 level of nesting only
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if (parent is ILayerable && !parent.isSubTrack && parent.GetType() == childType)
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return true;
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var attr = Attribute.GetCustomAttribute(parent.GetType(), typeof(SupportsChildTracksAttribute)) as SupportsChildTracksAttribute;
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if (attr == null)
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return false;
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// group track case, accepts all
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if (attr.childType == null)
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return true;
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// specific case. Specifies nesting level
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if (childType == attr.childType)
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{
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int nestCount = 0;
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var p = parent;
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while (p != null && p.isSubTrack)
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{
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nestCount++;
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p = p.parent as TrackAsset;
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}
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return nestCount < attr.levels;
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}
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return false;
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}
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}
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}
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