private static Curves.LinearCurve CreateUncompressedLinearCurve(BinaryReaderEx reader, AnimatedComponent component, short count)
{
var result = new Curves.LinearCurve(component);
System.Diagnostics.Trace.WriteLine("Found UncompressedLinearCurve but we don't parse them properly yet :(");
reader.BaseStream.Position += 6 * count;
return(result);
}
private static Curves.LinearCurve CreateCompressedLinearCurve(BinaryReaderEx reader, AnimatedComponent component, short count)
{
var result = new Curves.LinearCurve(component);
bool flag = (count & 0x8000) != 0;
int numValues = count & 0x7FFF;
float offset = reader.ReadSingle(Endianness.BigEndian);
float scale = reader.ReadSingle(Endianness.BigEndian);
var lengths = reader.ReadBytes(numValues);
for (var i = 0; i < numValues; i++)
{
var length = lengths[i];
if (length == 0)
{
length = 1;
}
var indices = reader.ReadBytes(length);
if (flag)
{
for (var j = 0; j < length; j++)
{
ushort sval = reader.ReadUInt16(Endianness.BigEndian);
bool isNeg = (sval & 0x8000) != 0;
float val = (sval & 0x7FFF) / 32767.0f;
if (isNeg)
{
val = -val;
}
val = val * scale + offset;
Curves.LinearCurveValue curveVal = new Curves.LinearCurveValue()
{
Time = (float)(indices[j] + 256 * i),
Value = val
};
result.Values.Add(curveVal);
}
}
else
{
for (var j = 0; j < length; j++)
{
byte sval = reader.ReadByte();
bool isNeg = (sval & 0x80) != 0;
float val = (sval & 0x7F) / 127.0f;
if (isNeg)
{
val = -val;
}
val = val * scale + offset;
Curves.LinearCurveValue curveVal = new Curves.LinearCurveValue()
{
Time = (float)(indices[j] + 256 * i),
Value = val
};
result.Values.Add(curveVal);
}
}
}
// Align reader position to 4-byte boundary
reader.BaseStream.Position = (reader.BaseStream.Position + 3) & 0x7FFFFFFFFFFFFFFC;
return(result);
}
