public static HSD_FOBJ EncodeFrames(List <FOBJKey> Keys, byte TrackType, float error = 0.0001f)
{
HSD_FOBJ fobj = new HSD_FOBJ();
fobj.JointTrackType = (JointTrackType)TrackType;
if (fobj.JointTrackType == JointTrackType.HSD_A_J_PTCL)
{
return(fobj);
}
// automatically set single key interpolation type
if (Keys.Count == 1)
{
Keys[0].InterpolationType = GXInterpolationType.HSD_A_OP_KEY;
}
// perform quantization
FOBJQuantanizer valueQ = new FOBJQuantanizer(error);
FOBJQuantanizer tangentQ = new FOBJQuantanizer(error);
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 (BinaryWriterExt Writer = new BinaryWriterExt(o))
{
Writer.BigEndian = false;
for (int i = 0; i < Keys.Count;)
{
GXInterpolationType ip = Keys[i].InterpolationType;
int j;
for (j = 0; j < Keys.Count - i; j++)
{
if (Keys[i + j].InterpolationType != ip)
{
break;
}
}
if (j > 0x7FF)
{
j = 0x7FF;
}
int flag = ((j - 1) << 4) | (int)ip;
Writer.WritePacked(flag);
for (int k = i; k < i + j; k++)
{
int DeltaTime = 0;
if (k + 1 < Keys.Count)
{
var nextKey =
Keys.Find(e =>
e.Frame > Keys[k].Frame &&
e.InterpolationType != GXInterpolationType.HSD_A_OP_SLP);
if (nextKey != null)
{
DeltaTime = (int)(nextKey.Frame - Keys[k].Frame);
}
}
if (k == Keys.Count)
{
DeltaTime = 1;
}
switch (ip)
{
case GXInterpolationType.HSD_A_OP_CON:
valueQ.WriteValue(Writer, Keys[k].Value);
Writer.WritePacked(DeltaTime);
break;
case GXInterpolationType.HSD_A_OP_LIN:
valueQ.WriteValue(Writer, Keys[k].Value);
Writer.WritePacked(DeltaTime);
break;
case GXInterpolationType.HSD_A_OP_SPL0:
valueQ.WriteValue(Writer, Keys[k].Value);
Writer.WritePacked(DeltaTime);
break;
case GXInterpolationType.HSD_A_OP_SPL:
valueQ.WriteValue(Writer, Keys[k].Value);
tangentQ.WriteValue(Writer, Keys[k].Tan);
Writer.WritePacked(DeltaTime);
break;
case GXInterpolationType.HSD_A_OP_SLP:
tangentQ.WriteValue(Writer, Keys[k].Tan);
break;
case GXInterpolationType.HSD_A_OP_KEY:
valueQ.WriteValue(Writer, Keys[k].Value);
break;
}
}
i += j;
}
}
fobj.Buffer = o.ToArray();
o.Dispose();
return(fobj);
}