/// <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.SplitCurve3D(curveEntry.curve);
FieldAnimCurves fieldCurves = new FieldAnimCurves();
fieldCurves.type = SerializableProperty.FieldType.Vector3;
fieldCurves.curveInfos = new EdCurveDrawInfo[3];
fieldCurves.isPropertyCurve = !clipInfo.isImported;
fieldCurves.curveInfos[0] = new EdCurveDrawInfo();
fieldCurves.curveInfos[0].curve = new EdAnimationCurve(componentCurves[0], tangentsX);
fieldCurves.curveInfos[0].color = GetUniqueColor(globalCurveIdx++);
fieldCurves.curveInfos[1] = new EdCurveDrawInfo();
fieldCurves.curveInfos[1].curve = new EdAnimationCurve(componentCurves[1], tangentsY);
fieldCurves.curveInfos[1].color = GetUniqueColor(globalCurveIdx++);
fieldCurves.curveInfos[2] = new EdCurveDrawInfo();
fieldCurves.curveInfos[2].curve = new EdAnimationCurve(componentCurves[2], tangentsZ);
fieldCurves.curveInfos[2].color = 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 EdCurveDrawInfo[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 EdCurveDrawInfo();
fieldCurves.curveInfos[i].curve = new EdAnimationCurve(clipCurves.Generic[curveIdx].curve, tangents);
fieldCurves.curveInfos[i].color = 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);
}
/// <summary>
/// Applies any changes made to the animation curves or events to the actual animation clip. Only works for
/// non-imported animation clips.
/// </summary>
/// <param name="tangents">Tangent modes for all the saved animation curves.</param>
public void Apply(out EditorAnimClipTangents tangents)
{
if (isImported || clip == null)
{
tangents = null;
return;
}
List <NamedVector3Curve> positionCurves = new List <NamedVector3Curve>();
List <NamedQuaternionCurve> rotationCurves = new List <NamedQuaternionCurve>();
List <NamedVector3Curve> scaleCurves = new List <NamedVector3Curve>();
List <NamedFloatCurve> floatCurves = new List <NamedFloatCurve>();
List <EditorVector3CurveTangents> positionTangents = new List <EditorVector3CurveTangents>();
List <EditorVector3CurveTangents> rotationTangents = new List <EditorVector3CurveTangents>();
List <EditorVector3CurveTangents> scaleTangents = new List <EditorVector3CurveTangents>();
List <EditorFloatCurveTangents> floatTangents = new List <EditorFloatCurveTangents>();
foreach (var kvp in curves)
{
string[] pathEntries = kvp.Key.Split('/');
if (pathEntries.Length == 0)
{
continue;
}
string lastEntry = pathEntries[pathEntries.Length - 1];
if (lastEntry == "Position" || lastEntry == "Rotation" || lastEntry == "Scale")
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < pathEntries.Length - 2; i++)
{
sb.Append(pathEntries[i] + "/");
}
if (pathEntries.Length > 1)
{
sb.Append(pathEntries[pathEntries.Length - 2]);
}
string curvePath = sb.ToString();
NamedVector3Curve curve = new NamedVector3Curve();
curve.name = curvePath;
curve.curve = AnimationUtility.CombineCurve3D(new[]
{
new AnimationCurve(kvp.Value.curveInfos[0].curve.KeyFrames),
new AnimationCurve(kvp.Value.curveInfos[1].curve.KeyFrames),
new AnimationCurve(kvp.Value.curveInfos[2].curve.KeyFrames)
});
EditorVector3CurveTangents curveTangents = new EditorVector3CurveTangents();
curveTangents.name = curvePath;
curveTangents.tangentsX = kvp.Value.curveInfos[0].curve.TangentModes;
curveTangents.tangentsY = kvp.Value.curveInfos[1].curve.TangentModes;
curveTangents.tangentsZ = kvp.Value.curveInfos[2].curve.TangentModes;
if (lastEntry == "Position")
{
positionCurves.Add(curve);
positionTangents.Add(curveTangents);
}
else if (lastEntry == "Rotation")
{
NamedQuaternionCurve quatCurve = new NamedQuaternionCurve();
quatCurve.name = curve.name;
quatCurve.curve = AnimationUtility.EulerToQuaternionCurve(curve.curve);
rotationCurves.Add(quatCurve);
rotationTangents.Add(curveTangents);
}
else if (lastEntry == "Scale")
{
scaleCurves.Add(curve);
scaleTangents.Add(curveTangents);
}
}
else
{
Action <int, string, string, AnimationCurveFlags> addCurve = (idx, path, subPath, flags) =>
{
string fullPath = path + subPath;
NamedFloatCurve curve = new NamedFloatCurve(fullPath,
new AnimationCurve(kvp.Value.curveInfos[idx].curve.KeyFrames));
curve.flags = flags;
EditorFloatCurveTangents curveTangents = new EditorFloatCurveTangents();
curveTangents.name = fullPath;
curveTangents.tangents = kvp.Value.curveInfos[idx].curve.TangentModes;
floatCurves.Add(curve);
floatTangents.Add(curveTangents);
};
switch (kvp.Value.type)
{
case SerializableProperty.FieldType.Vector2:
addCurve(0, kvp.Key, ".x", 0);
addCurve(1, kvp.Key, ".y", 0);
break;
case SerializableProperty.FieldType.Vector3:
addCurve(0, kvp.Key, ".x", 0);
addCurve(1, kvp.Key, ".y", 0);
addCurve(2, kvp.Key, ".z", 0);
break;
case SerializableProperty.FieldType.Vector4:
addCurve(0, kvp.Key, ".x", 0);
addCurve(1, kvp.Key, ".y", 0);
addCurve(2, kvp.Key, ".z", 0);
addCurve(3, kvp.Key, ".w", 0);
break;
case SerializableProperty.FieldType.Color:
addCurve(0, kvp.Key, ".r", 0);
addCurve(1, kvp.Key, ".g", 0);
addCurve(2, kvp.Key, ".b", 0);
addCurve(3, kvp.Key, ".a", 0);
break;
case SerializableProperty.FieldType.Bool:
case SerializableProperty.FieldType.Int:
case SerializableProperty.FieldType.Float:
{
AnimationCurveFlags flags = 0;
string path = kvp.Key;
if (IsMorphShapeCurve(kvp.Key))
{
string trimmedPath = path.Trim('/');
string[] entries = trimmedPath.Split('/');
bool isWeight = entries[entries.Length - 2] == "Weight";
if (isWeight)
{
flags = AnimationCurveFlags.MorphWeight;
}
else
{
flags = AnimationCurveFlags.MorphFrame;
}
path = entries[entries.Length - 1];
}
addCurve(0, path, "", flags);
}
break;
}
}
}
AnimationCurves newClipCurves = new AnimationCurves();
newClipCurves.Position = positionCurves.ToArray();
newClipCurves.Rotation = rotationCurves.ToArray();
newClipCurves.Scale = scaleCurves.ToArray();
newClipCurves.Generic = floatCurves.ToArray();
clip.Curves = newClipCurves;
clip.Events = events;
clip.SampleRate = sampleRate;
tangents = new EditorAnimClipTangents();
tangents.positionCurves = positionTangents.ToArray();
tangents.rotationCurves = rotationTangents.ToArray();
tangents.scaleCurves = scaleTangents.ToArray();
tangents.floatCurves = floatTangents.ToArray();
}