public static HSD_FOBJ EncodeFrames(List <FOBJKey> Keys, byte TrackType)
{
HSD_FOBJ fobj = new HSD_FOBJ();
fobj.AnimationType = TrackType;
// perform quantization
FOBJQuantanizer valueQ = new FOBJQuantanizer();
FOBJQuantanizer tangentQ = new FOBJQuantanizer();
foreach (FOBJKey key in Keys)
{
valueQ.AddValue(key.Value);
tangentQ.AddValue(key.Tan);
}
fobj.ValueScale = valueQ.GetValueScale();
fobj.ValueFormat = valueQ.GetDataFormat();
fobj.TanScale = tangentQ.GetValueScale();
fobj.TanFormat = tangentQ.GetDataFormat();
MemoryStream o = new MemoryStream();
using (HSDWriter Writer = new HSDWriter(o))
{
Writer.BigEndian = false;
int time = 0;
for (int i = 0; i < Keys.Count;)
{
InterpolationType ip = Keys[i].InterpolationType;
int j;
for (j = 0; j < Keys.Count - i; j++)
{
if (Keys[i + j].InterpolationType != ip)
{
break;
}
}
int flag = ((j - 1) << 4) | (int)ip;
Writer.ExtendedByte(flag);
for (int k = i; k < i + j; k++)
{
int DeltaTime = 0;
if (k + 1 < Keys.Count)
{
DeltaTime = (int)(Keys[k + 1].Frame - Keys[k].Frame);
}
if (k == Keys.Count)
{
DeltaTime = 1;
}
switch (ip)
{
case InterpolationType.Step:
valueQ.WriteValue(Writer, Keys[k].Value);
Writer.ExtendedByte(DeltaTime);
break;
case InterpolationType.Linear:
valueQ.WriteValue(Writer, Keys[k].Value);
Writer.ExtendedByte(DeltaTime);
break;
case InterpolationType.HermiteValue:
valueQ.WriteValue(Writer, Keys[k].Value);
Writer.ExtendedByte(DeltaTime);
break;
case InterpolationType.Hermite:
valueQ.WriteValue(Writer, Keys[k].Value);
tangentQ.WriteValue(Writer, Keys[k].Tan);
Writer.ExtendedByte(DeltaTime);
break;
case InterpolationType.HermiteCurve:
tangentQ.WriteValue(Writer, Keys[k].Tan);
break;
case InterpolationType.Constant:
valueQ.WriteValue(Writer, Keys[k].Value);
break;
default:
throw new Exception("end");
}
if (ip != InterpolationType.HermiteCurve)
{
time = (int)Keys[k].Frame;
}
}
i += j;
}
}
fobj.Data = o.ToArray();
o.Close();
o.Dispose();
return(fobj);
}
