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Anvil: Cleanly refuse to store data that is too large. 

Each chunk in MCA needs to be less than 1 MiB compressed; chunks that are larger will be refused with a log message.
This commit is contained in:
madmaxoft 2014-09-04 14:00:54 +02:00
parent e1206568ec
commit d77221c715
1 changed files with 7 additions and 1 deletions
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8
src/WorldStorage/WSSAnvil.cpp
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@ -2905,7 +2905,13 @@ bool cWSSAnvil::cMCAFile::SetChunkData(const cChunkCoords & a_Chunk, const AStri
// Store the header:
ChunkSize = ((u_long)a_Data.size() + MCA_CHUNK_HEADER_LENGTH + 4095) / 4096; // Round data size *up* to nearest 4KB sector, make it a sector number
ASSERT(ChunkSize < 256);
if (ChunkSize > 255)
{
LOGWARNING("Cannot save chunk [%d, %d], the data is too large (%u KiB, maximum is 1024 KiB). Remove some entities and retry.",
a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, (unsigned)(ChunkSize * 4)
);
return false;
}
m_Header[LocalX + 32 * LocalZ] = htonl((ChunkSector << 8) | ChunkSize);
if (m_File.Seek(0) < 0)
{