protected override void Parse(ref BitStreamReader bsr)
{
Info = new List <MapCompletedInfo>();
Span <byte> bytes = stackalloc byte[2 * MaxPortal2CoopBranches * MaxPortal2CoopLevelsPerBranch / 8];
bsr.ReadToSpan(bytes);
int current = 0;
int mask = 0x01;
for (int player = 0; player < 2; player++)
{
for (int branch = 0; branch < MaxPortal2CoopBranches; branch++)
{
for (int level = 0; level < MaxPortal2CoopLevelsPerBranch; level++)
{
if ((bytes[current] & mask) != 0)
{
Info.Add(new MapCompletedInfo {
Player = player, Branch = branch, Level = level
});
}
mask <<= 1;
if (mask >= 0x0100)
{
current++;
mask = 0x01;
}
}
}
}
}
public static unsafe byte[] Decompress(ref BitStreamReader bsr, int compSize)
{
uint type = bsr.ReadUInt();
int decompSize = bsr.ReadSInt();
switch (type)
{
case LZSS_ID:
Span <byte> dataIn = compSize < 100000 ? stackalloc byte[compSize] : new byte[compSize];
bsr.ReadToSpan(dataIn);
byte[] arrOut = new byte[decompSize];
fixed(byte *pDataIn = dataIn)
fixed(byte *pDataOut = arrOut)
DecompressLZSS(pDataIn, pDataOut);
return(arrOut);
case SNAPPY_ID:
Debug.Assert(false);
throw new NotImplementedException("snappy decompression not implemented");
default:
throw new InvalidOperationException("unknown compression method");
}
}