/// <summary>
/// ストリームから表情モーションを生成する
/// </summary>
/// <param name="stream">ストリーム</param>
/// <param name="model">対象のモデル</param>
public CubismExpressionMotion(Stream stream, CubismModel model)
{
// 表情モーションデータを読み込む
var json = CubismExpressionJson.Create(stream);
GlobalFadeInSeconds = Math.Min(Math.Max(json.FadeInTime, 0.0), 1.0);
GlobalFadeOutSeconds = Math.Min(Math.Max(json.FadeOutTime, 0.0), 1.0);
// パラメータを読み取る
Parameters = new ExpressionParameter[json.Parameters.Length];
for (int index = 0; index < json.Parameters.Length; index++)
{
var parameter = new ExpressionParameter();
var parameter_item = json.Parameters[index];
parameter.Parameter = model.GetParameter(parameter_item.Id);
switch (parameter_item.Blend)
{
case "Add":
default:
parameter.Blend = BlendType.Add;
break;
case "Multiply":
parameter.Blend = BlendType.Multiply;
break;
case "Overwrite":
parameter.Blend = BlendType.Overwrite;
break;
}
parameter.Value = parameter_item.Value;
Parameters[index] = parameter;
}
}
private static CubismMotionCurve ParseCurve(CubismMotionJson.CurveItem item, CubismModel model)
{
CubismMotionCurve curve = new CubismMotionCurve();
if (item.Target == "Model")
{
curve.Target = CubismMotionCurve.TargetType.Model;
curve.Effect = new CubismId(item.Id);
}
else if (item.Target == "Parameter")
{
curve.Target = CubismMotionCurve.TargetType.Parameter;
curve.Parameter = model.GetParameter(item.Id);
if (curve.Parameter == null)
{
return(null);
}
}
else if (item.Target == "PartOpacity")
{
curve.Target = CubismMotionCurve.TargetType.PartOpacity;
curve.Part = model.GetPart(item.Id);
if (curve.Part == null)
{
return(null);
}
}
else
{
return(null);
}
curve.FadeInTime = item.FadeInTime;
curve.FadeOutTime = item.FadeOutTime;
// 制御点を読み込む
// 初めの2アイテムは最初の制御点を示す
var segment_item = item.Segments;
int segment_count = item.Segments.Length;
CubismMotionPoint last_point = new CubismMotionPoint(segment_item[0], segment_item[1]);
// 以降の制御点を読み込む
var segments = new List <ICubismMotionSegment>();
for (int segment_index = 2; segment_index < segment_count;)
{
switch ((CubismMotionSegmentType)segment_item[segment_index])
{
case CubismMotionSegmentType.Linear:
{
var segment = new CubismMotionLinearSegment();
segment.Points[0] = last_point;
segment.Points[1] = new CubismMotionPoint(segment_item[segment_index + 1], segment_item[segment_index + 2]);
segments.Add(segment);
last_point = segment.Points[1];
segment_index += 3;
break;
}
case CubismMotionSegmentType.Bezier:
{
var segment = new CubismMotionBezierSegment();
segment.Points[0] = last_point;
segment.Points[1] = new CubismMotionPoint(segment_item[segment_index + 1], segment_item[segment_index + 2]);
segment.Points[2] = new CubismMotionPoint(segment_item[segment_index + 3], segment_item[segment_index + 4]);
segment.Points[3] = new CubismMotionPoint(segment_item[segment_index + 5], segment_item[segment_index + 6]);
segments.Add(segment);
last_point = segment.Points[3];
segment_index += 7;
break;
}
case CubismMotionSegmentType.Stepped:
{
var segment = new CubismMotionSteppedSegment();
segment.Points[0] = last_point;
segment.Points[1] = new CubismMotionPoint(segment_item[segment_index + 1], segment_item[segment_index + 2]);
segments.Add(segment);
last_point = segment.Points[1];
segment_index += 3;
break;
}
case CubismMotionSegmentType.InverseStepped:
{
var segment = new CubismMotionInverseSteppedSegment();
segment.Points[0] = last_point;
segment.Points[1] = new CubismMotionPoint(segment_item[segment_index + 1], segment_item[segment_index + 2]);
segments.Add(segment);
last_point = segment.Points[1];
segment_index += 3;
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
curve.Segments = segments.ToArray();
return(curve);
}