public Header(byte[] bytes)
{
magic = EndianBytesOperator.readString(bytes, 0, 4);
if (magic != "PrOD")
{
throw new InvalidDataException();
}
constNum1 = EndianBytesOperator.readUInt(bytes, 0x04);
if (constNum1 != 0x01000000)
{
throw new InvalidDataException();
}
constNum2 = EndianBytesOperator.readUInt(bytes, 0x08);
if (constNum2 != 0x00000001)
{
throw new InvalidDataException();
}
lstUSOffset = EndianBytesOperator.readUInt(bytes, 0x0C);
fileSize = EndianBytesOperator.readUInt(bytes, 0x10);
meshCount = EndianBytesOperator.readUInt(bytes, 0x14);
STOffset = EndianBytesOperator.readUInt(bytes, 0x18);
NullPadding = EndianBytesOperator.readUInt(bytes, 0x1C);
if (NullPadding != 0x00000000)
{
throw new InvalidDataException();
}
}
public Mesh(byte[] bytes, uint offset, List <string> names, uint stOffset)
{
instancesSize = EndianBytesOperator.readUInt(bytes, (int)offset + 0x0);
size = 0x10 + instancesSize;
instancesCount = EndianBytesOperator.readUInt(bytes, (int)offset + 0x04);
nameOffset = EndianBytesOperator.readUInt(bytes, (int)offset + 0x08);
name = EndianBytesOperator.readString(bytes, (int)(stOffset + nameOffset));
names.Add(name);
instances = new List <MeshInstance>();
for (int i = 0; i < instancesCount; i++)
{
instances.Add(new MeshInstance(bytes, (uint)(offset + 0x10 + MeshInstance.size * i)));
}
}
public static byte[] decode(byte[] src)
{
if (!IsYaz0(src))
{
return(src);
}
uint decompressedSize = EndianBytesOperator.readUInt(src, 0x04);
byte[] dst = new byte[decompressedSize];
uint srcPos = 0x10;
uint dstPos = 0;
byte Opcode = 0x00;
List <KeyValuePair <int, KeyValuePair <int, int> > > finds = new List <KeyValuePair <int, KeyValuePair <int, int> > >();
while (true)
{
Opcode = src[srcPos];
srcPos++;
for (int i = 0; i < 8; i++, Opcode <<= 1)
{
if ((Opcode & 0x80) != 0)
{
dst[dstPos] = src[srcPos];
dstPos++;
srcPos++;
}
else
{
byte b1 = src[srcPos];
byte b2 = src[srcPos + 1];
srcPos += 2;
uint copyLen = 0;
if ((b1 >> 4) == 0)
{
copyLen = (uint)src[srcPos] + 0x12;
srcPos++;
}
else
{
copyLen = (uint)(b1 >> 4) + 0x02;
}
uint dist = (uint)((b1 & 0x0F) << 8 | b2) + 1;
uint copyPos = dstPos - dist;
finds.Add(new KeyValuePair <int, KeyValuePair <int, int> >((int)dstPos, new KeyValuePair <int, int>((int)copyPos, (int)copyLen)));
for (int j = 0; j < copyLen; j++)
{
dst[dstPos] = dst[copyPos];
dstPos++;
copyPos++;
}
}
if (dstPos >= decompressedSize)
{
return(dst);
}
}
}
}
