/// <summary>
/// https://github.com/EpicGames/UnrealEngine/blob/70bc980c6361d9a7d23f6d23ffe322a2d6ef16fb/Engine/Source/Runtime/Engine/Private/PackageMapClient.cpp#L1579
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
public virtual bool ParseNetExportGUIDs(ChunkArchive reader)
{
uint guidCount = reader.ReadIntPacked();
for (int i = 0; i < guidCount; i++)
{
reader.ReadBytes(reader.ReadInt32()); //burn.
}
return(true);
}
/// <summary>
/// https://github.com/EpicGames/UnrealEngine/blob/7d9919ac7bfd80b7483012eab342cb427d60e8c9/Engine/Source/Runtime/Engine/Private/DemoNetDriver.cpp#L2106
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
public virtual bool ParseExternalData(ChunkArchive reader)
{
while (true)
{
uint externalDataBitsCount = reader.ReadIntPacked();
if (externalDataBitsCount == 0)
{
return(true);
}
uint netGuid = reader.ReadIntPacked();
reader.ReadBytes((int)(externalDataBitsCount + 7) >> 3); //TODO: We dont do anything with it yet. We burn byte now.
}
}
public virtual int ParsePacket(ChunkArchive reader)
{
const int MaxBufferSize = 2 * 1024;
int outBufferSize = reader.ReadInt32();
if (outBufferSize > MaxBufferSize || outBufferSize < 0)
{
throw new InvalidDataException("Invalid packet size");
}
if (outBufferSize == 0)
{
return(outBufferSize);
}
var outBuffer = reader.ReadBytes(outBufferSize);
ProcessRawPacket(new BitReader(outBuffer.ToArray())); //TODO avoid array alloc
return(outBufferSize);
}