/// <summary>
        /// Loads curve and event information from the provided clip, and creates a new instance of this object containing
        /// the required data for editing the source clip in the animation editor.
        /// </summary>
        /// <param name="clip">Clip to load.</param>
        /// <returns>Editor specific editable information about an animation clip.</returns>
        public static EditorAnimClipInfo Create(AnimationClip clip)
        {
            EditorAnimClipInfo clipInfo = new EditorAnimClipInfo();

            clipInfo.clip       = clip;
            clipInfo.isImported = IsClipImported(clip);
            clipInfo.sampleRate = (int)clip.SampleRate;

            AnimationCurves        clipCurves      = clip.Curves;
            EditorAnimClipTangents editorCurveData = null;

            string resourcePath = ProjectLibrary.GetPath(clip);

            if (!string.IsNullOrEmpty(resourcePath))
            {
                LibraryEntry entry    = ProjectLibrary.GetEntry(resourcePath);
                string       clipName = PathEx.GetTail(resourcePath);

                if (entry != null && entry.Type == LibraryEntryType.File)
                {
                    FileEntry      fileEntry = (FileEntry)entry;
                    ResourceMeta[] metas     = fileEntry.ResourceMetas;

                    if (clipInfo.isImported)
                    {
                        for (int i = 0; i < metas.Length; i++)
                        {
                            if (clipName == metas[i].SubresourceName)
                            {
                                editorCurveData = metas[i].EditorData as EditorAnimClipTangents;
                                break;
                            }
                        }
                    }
                    else
                    {
                        if (metas.Length > 0)
                        {
                            editorCurveData = metas[0].EditorData as EditorAnimClipTangents;
                        }
                    }
                }
            }

            if (editorCurveData == null)
            {
                editorCurveData = new EditorAnimClipTangents();
            }

            int globalCurveIdx = 0;
            Action <NamedVector3Curve[], EditorVector3CurveTangents[], string> loadVector3Curve =
                (curves, tangents, subPath) =>
            {
                foreach (var curveEntry in curves)
                {
                    TangentMode[] tangentsX = null;
                    TangentMode[] tangentsY = null;
                    TangentMode[] tangentsZ = null;

                    if (tangents != null)
                    {
                        foreach (var tangentEntry in tangents)
                        {
                            if (tangentEntry.name == curveEntry.name)
                            {
                                tangentsX = tangentEntry.tangentsX;
                                tangentsY = tangentEntry.tangentsY;
                                tangentsZ = tangentEntry.tangentsZ;
                                break;
                            }
                        }
                    }

                    // Convert compound curve to three per-component curves
                    AnimationCurve[] componentCurves = AnimationUtility.SplitCurve(curveEntry.curve);

                    FieldAnimCurves fieldCurves = new FieldAnimCurves();
                    fieldCurves.type            = SerializableProperty.FieldType.Vector3;
                    fieldCurves.curveInfos      = new CurveDrawInfo[3];
                    fieldCurves.isPropertyCurve = !clipInfo.isImported;

                    fieldCurves.curveInfos[0]       = new CurveDrawInfo();
                    fieldCurves.curveInfos[0].curve = new EdAnimationCurve(componentCurves[0], tangentsX);
                    fieldCurves.curveInfos[0].color = GUICurveDrawing.GetUniqueColor(globalCurveIdx++);

                    fieldCurves.curveInfos[1]       = new CurveDrawInfo();
                    fieldCurves.curveInfos[1].curve = new EdAnimationCurve(componentCurves[1], tangentsY);
                    fieldCurves.curveInfos[1].color = GUICurveDrawing.GetUniqueColor(globalCurveIdx++);

                    fieldCurves.curveInfos[2]       = new CurveDrawInfo();
                    fieldCurves.curveInfos[2].curve = new EdAnimationCurve(componentCurves[2], tangentsZ);
                    fieldCurves.curveInfos[2].color = GUICurveDrawing.GetUniqueColor(globalCurveIdx++);

                    string curvePath = curveEntry.name.TrimEnd('/') + subPath;
                    clipInfo.curves[curvePath] = fieldCurves;
                }
            };

            // Convert rotation from quaternion to euler
            NamedQuaternionCurve[] rotationCurves      = clipCurves.Rotation;
            NamedVector3Curve[]    eulerRotationCurves = new NamedVector3Curve[rotationCurves.Length];
            for (int i = 0; i < rotationCurves.Length; i++)
            {
                eulerRotationCurves[i]       = new NamedVector3Curve();
                eulerRotationCurves[i].name  = rotationCurves[i].name;
                eulerRotationCurves[i].flags = rotationCurves[i].flags;
                eulerRotationCurves[i].curve = AnimationUtility.QuaternionToEulerCurve(rotationCurves[i].curve);
            }

            loadVector3Curve(clipCurves.Position, editorCurveData.positionCurves, "/Position");
            loadVector3Curve(eulerRotationCurves, editorCurveData.rotationCurves, "/Rotation");
            loadVector3Curve(clipCurves.Scale, editorCurveData.scaleCurves, "/Scale");

            // Find which individual float curves belong to the same field
            Dictionary <string, Tuple <int, int, bool>[]> floatCurveMapping = new Dictionary <string, Tuple <int, int, bool>[]>();

            {
                int curveIdx = 0;
                foreach (var curveEntry in clipCurves.Generic)
                {
                    string path         = curveEntry.name;
                    string pathNoSuffix = null;

                    string pathSuffix;
                    if (path.Length >= 2)
                    {
                        pathSuffix   = path.Substring(path.Length - 2, 2);
                        pathNoSuffix = path.Substring(0, path.Length - 2);
                    }
                    else
                    {
                        pathSuffix = "";
                    }

                    int tangentIdx        = -1;
                    int currentTangentIdx = 0;
                    foreach (var tangentEntry in editorCurveData.floatCurves)
                    {
                        if (tangentEntry.name == curveEntry.name)
                        {
                            tangentIdx = currentTangentIdx;
                            break;
                        }

                        currentTangentIdx++;
                    }

                    Animation.PropertySuffixInfo suffixInfo;
                    if (Animation.PropertySuffixInfos.TryGetValue(pathSuffix, out suffixInfo))
                    {
                        Tuple <int, int, bool>[] curveInfo;
                        if (!floatCurveMapping.TryGetValue(pathNoSuffix, out curveInfo))
                        {
                            curveInfo = new Tuple <int, int, bool> [4];
                        }

                        curveInfo[suffixInfo.elementIdx] = Tuple.Create(curveIdx, tangentIdx, suffixInfo.isVector);
                        floatCurveMapping[pathNoSuffix]  = curveInfo;
                    }
                    else
                    {
                        Tuple <int, int, bool>[] curveInfo = new Tuple <int, int, bool> [4];
                        curveInfo[0] = Tuple.Create(curveIdx, tangentIdx, suffixInfo.isVector);

                        floatCurveMapping[path] = curveInfo;
                    }

                    curveIdx++;
                }
            }

            foreach (var KVP in floatCurveMapping)
            {
                int numCurves = 0;
                for (int i = 0; i < 4; i++)
                {
                    if (KVP.Value[i] == null)
                    {
                        continue;
                    }

                    numCurves++;
                }

                if (numCurves == 0)
                {
                    continue; // Invalid curve
                }
                FieldAnimCurves fieldCurves = new FieldAnimCurves();

                // Deduce type (note that all single value types are assumed to be float even if their source type is int or bool)
                if (numCurves == 1)
                {
                    fieldCurves.type = SerializableProperty.FieldType.Float;
                }
                else if (numCurves == 2)
                {
                    fieldCurves.type = SerializableProperty.FieldType.Vector2;
                }
                else if (numCurves == 3)
                {
                    fieldCurves.type = SerializableProperty.FieldType.Vector3;
                }
                else // 4 curves
                {
                    bool isVector = KVP.Value[0].Item3;
                    if (isVector)
                    {
                        fieldCurves.type = SerializableProperty.FieldType.Vector4;
                    }
                    else
                    {
                        fieldCurves.type = SerializableProperty.FieldType.Color;
                    }
                }

                bool   isMorphCurve = false;
                string curvePath    = KVP.Key;

                fieldCurves.curveInfos = new CurveDrawInfo[numCurves];
                for (int i = 0; i < numCurves; i++)
                {
                    int curveIdx   = KVP.Value[i].Item1;
                    int tangentIdx = KVP.Value[i].Item2;

                    TangentMode[] tangents = null;
                    if (tangentIdx != -1)
                    {
                        tangents = editorCurveData.floatCurves[tangentIdx].tangents;
                    }

                    fieldCurves.curveInfos[i]       = new CurveDrawInfo();
                    fieldCurves.curveInfos[i].curve = new EdAnimationCurve(clipCurves.Generic[curveIdx].curve, tangents);
                    fieldCurves.curveInfos[i].color = GUICurveDrawing.GetUniqueColor(globalCurveIdx++);

                    if (clipCurves.Generic[curveIdx].flags.HasFlag(AnimationCurveFlags.MorphFrame))
                    {
                        curvePath    = "MorphShapes/Frames/" + KVP.Key;
                        isMorphCurve = true;
                    }
                    else if (clipCurves.Generic[curveIdx].flags.HasFlag(AnimationCurveFlags.MorphWeight))
                    {
                        curvePath    = "MorphShapes/Weight/" + KVP.Key;
                        isMorphCurve = true;
                    }
                }

                fieldCurves.isPropertyCurve = !clipInfo.isImported && !isMorphCurve;

                clipInfo.curves[curvePath] = fieldCurves;
            }

            // Add events
            clipInfo.events = clip.Events;
            return(clipInfo);
        }
 public AnimFieldInfo(string path, FieldAnimCurves curveGroup)
 {
     this.path       = path;
     this.curveGroup = curveGroup;
 }
 public AnimFieldInfo(string path, FieldAnimCurves curveGroup, bool isUserCurve)
 {
     this.path        = path;
     this.curveGroup  = curveGroup;
     this.isUserCurve = isUserCurve;
 }
        private void AddNewField(string path, SerializableProperty.FieldType type)
        {
            bool noSelection = selectedFields.Count == 0;

            switch (type)
            {
            case SerializableProperty.FieldType.Vector4:
            {
                FieldAnimCurves fieldCurves = new FieldAnimCurves();
                fieldCurves.type       = type;
                fieldCurves.curveInfos = new CurveDrawInfo[4];

                string[] subPaths = { ".x", ".y", ".z", ".w" };
                for (int i = 0; i < subPaths.Length; i++)
                {
                    string subFieldPath = path + subPaths[i];
                    fieldCurves.curveInfos[i].curve = new EdAnimationCurve();
                    selectedFields.Add(subFieldPath);
                }

                clipInfo.curves[path] = fieldCurves;
            }
            break;

            case SerializableProperty.FieldType.Vector3:
            {
                FieldAnimCurves fieldCurves = new FieldAnimCurves();
                fieldCurves.type       = type;
                fieldCurves.curveInfos = new CurveDrawInfo[3];

                string[] subPaths = { ".x", ".y", ".z" };
                for (int i = 0; i < subPaths.Length; i++)
                {
                    string subFieldPath = path + subPaths[i];
                    fieldCurves.curveInfos[i].curve = new EdAnimationCurve();
                    selectedFields.Add(subFieldPath);
                }

                clipInfo.curves[path] = fieldCurves;
            }
            break;

            case SerializableProperty.FieldType.Vector2:
            {
                FieldAnimCurves fieldCurves = new FieldAnimCurves();
                fieldCurves.type       = type;
                fieldCurves.curveInfos = new CurveDrawInfo[2];

                string[] subPaths = { ".x", ".y" };
                for (int i = 0; i < subPaths.Length; i++)
                {
                    string subFieldPath = path + subPaths[i];
                    fieldCurves.curveInfos[i].curve = new EdAnimationCurve();
                    selectedFields.Add(subFieldPath);
                }

                clipInfo.curves[path] = fieldCurves;
            }
            break;

            case SerializableProperty.FieldType.Color:
            {
                FieldAnimCurves fieldCurves = new FieldAnimCurves();
                fieldCurves.type       = type;
                fieldCurves.curveInfos = new CurveDrawInfo[4];

                string[] subPaths = { ".r", ".g", ".b", ".a" };
                for (int i = 0; i < subPaths.Length; i++)
                {
                    string subFieldPath = path + subPaths[i];
                    fieldCurves.curveInfos[i].curve = new EdAnimationCurve();
                    selectedFields.Add(subFieldPath);
                }

                clipInfo.curves[path] = fieldCurves;
            }
            break;

            default:     // Primitive type
            {
                FieldAnimCurves fieldCurves = new FieldAnimCurves();
                fieldCurves.type       = type;
                fieldCurves.curveInfos = new CurveDrawInfo[1];

                fieldCurves.curveInfos[0].curve = new EdAnimationCurve();
                selectedFields.Add(path);

                clipInfo.curves[path] = fieldCurves;
            }
            break;
            }

            UpdateCurveColors();
            UpdateDisplayedFields();

            EditorApplication.SetProjectDirty();
            UpdateDisplayedCurves(noSelection);
        }