diff options
Diffstat (limited to '')
| -rw-r--r-- | src/Protocol/ChunkDataSerializer.cpp | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/src/Protocol/ChunkDataSerializer.cpp b/src/Protocol/ChunkDataSerializer.cpp index 2b9c06779..37fbae0e5 100644 --- a/src/Protocol/ChunkDataSerializer.cpp +++ b/src/Protocol/ChunkDataSerializer.cpp @@ -43,7 +43,6 @@ const AString & cChunkDataSerializer::Serialize(int a_Version, int a_ChunkX, int AString data; switch (a_Version) { - case RELEASE_1_2_5: Serialize29(data); break; case RELEASE_1_3_2: Serialize39(data); break; case RELEASE_1_8_0: Serialize47(data, a_ChunkX, a_ChunkZ); break; // TODO: Other protocol versions may serialize the data differently; implement here @@ -65,65 +64,6 @@ const AString & cChunkDataSerializer::Serialize(int a_Version, int a_ChunkX, int - -void cChunkDataSerializer::Serialize29(AString & a_Data) -{ - // TODO: Do not copy data and then compress it; rather, compress partial blocks of data (zlib can stream) - - const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const int MetadataOffset = sizeof(m_BlockTypes); - const int BlockLightOffset = MetadataOffset + sizeof(m_BlockMetas); - const int SkyLightOffset = BlockLightOffset + sizeof(m_BlockLight); - const int BiomeOffset = SkyLightOffset + sizeof(m_BlockSkyLight); - const int DataSize = BiomeOffset + BiomeDataSize; - - // Temporary buffer for the composed data: - char AllData [DataSize]; - - memcpy(AllData, m_BlockTypes, sizeof(m_BlockTypes)); - memcpy(AllData + MetadataOffset, m_BlockMetas, sizeof(m_BlockMetas)); - memcpy(AllData + BlockLightOffset, m_BlockLight, sizeof(m_BlockLight)); - memcpy(AllData + SkyLightOffset, m_BlockSkyLight, sizeof(m_BlockSkyLight)); - memcpy(AllData + BiomeOffset, m_BiomeData, BiomeDataSize); - - // Compress the data: - // In order not to use allocation, use a fixed-size buffer, with the size - // that uses the same calculation as compressBound(): - const uLongf CompressedMaxSize = DataSize + (DataSize >> 12) + (DataSize >> 14) + (DataSize >> 25) + 16; - char CompressedBlockData[CompressedMaxSize]; - - uLongf CompressedSize = compressBound(DataSize); - - // Run-time check that our compile-time guess about CompressedMaxSize was enough: - ASSERT(CompressedSize <= CompressedMaxSize); - - compress2((Bytef*)CompressedBlockData, &CompressedSize, (const Bytef*)AllData, sizeof(AllData), Z_DEFAULT_COMPRESSION); - - // Now put all those data into a_Data: - - // "Ground-up continuous", or rather, "biome data present" flag: - a_Data.push_back('\x01'); - - // Two bitmaps; we're aways sending the full chunk with no additional data, so the bitmaps are 0xffff and 0, respectively - // Also, no endian flipping is needed because of the const values - unsigned short BitMap1 = 0xffff; - unsigned short BitMap2 = 0; - a_Data.append((const char *)&BitMap1, sizeof(short)); - a_Data.append((const char *)&BitMap2, sizeof(short)); - - UInt32 CompressedSizeBE = htonl((UInt32)CompressedSize); - a_Data.append((const char *)&CompressedSizeBE, sizeof(CompressedSizeBE)); - - Int32 UnusedInt32 = 0; - a_Data.append((const char *)&UnusedInt32, sizeof(UnusedInt32)); - - a_Data.append(CompressedBlockData, CompressedSize); -} - - - - - void cChunkDataSerializer::Serialize39(AString & a_Data) { // TODO: Do not copy data and then compress it; rather, compress partial blocks of data (zlib can stream) |