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Dropped 1.7 support (#3253)

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Mathias
2016-07-21 10:47:42 +03:00
committed by Mattes D
parent 72aa50f710
commit e7b4d7a776
10 changed files with 5 additions and 3665 deletions
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58
src/Protocol/ChunkDataSerializer.cpp
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@@ -46,7 +46,6 @@ const AString & cChunkDataSerializer::Serialize(int a_Version, int a_ChunkX, int
AString data;
switch (a_Version)
{
case RELEASE_1_3_2: Serialize39(data); break;
case RELEASE_1_8_0: Serialize47(data, a_ChunkX, a_ChunkZ); break;
case RELEASE_1_9_0: Serialize107(data, a_ChunkX, a_ChunkZ); break;
case RELEASE_1_9_4: Serialize110(data, a_ChunkX, a_ChunkZ); break;
@@ -69,63 +68,6 @@ const AString & cChunkDataSerializer::Serialize(int a_Version, int a_ChunkX, int
void cChunkDataSerializer::Serialize39(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(reinterpret_cast<Bytef*>(CompressedBlockData), &CompressedSize, reinterpret_cast<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(reinterpret_cast<const char *>(&BitMap1), sizeof(short));
a_Data.append(reinterpret_cast<const char *>(&BitMap2), sizeof(short));
UInt32 CompressedSizeBE = htonl(static_cast<UInt32>(CompressedSize));
a_Data.append(reinterpret_cast<const char *>(&CompressedSizeBE), sizeof(CompressedSizeBE));
// Unlike 29, 39 doesn't have the "unused" int
a_Data.append(CompressedBlockData, CompressedSize);
}
void cChunkDataSerializer::Serialize47(AString & a_Data, int a_ChunkX, int a_ChunkZ)
{
// This function returns the fully compressed packet (including packet size), not the raw packet!