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-rw-r--r--src/Protocol/ChunkDataSerializer.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/Protocol/ChunkDataSerializer.cpp b/src/Protocol/ChunkDataSerializer.cpp
index ebe61631b..9eadc4f0b 100644
--- a/src/Protocol/ChunkDataSerializer.cpp
+++ b/src/Protocol/ChunkDataSerializer.cpp
@@ -43,6 +43,7 @@ const AString & cChunkDataSerializer::Serialize(int a_Version)
{
case RELEASE_1_2_5: Serialize29(data); break;
case RELEASE_1_3_2: Serialize39(data); break;
+ case RELEASE_1_8_0: Serialize80(data); break;
// TODO: Other protocol versions may serialize the data differently; implement here
default:
@@ -174,3 +175,66 @@ void cChunkDataSerializer::Serialize39(AString & a_Data)
+
+void cChunkDataSerializer::Serialize80(AString & a_Data)
+{
+ // TODO: Do not copy data and then compress it; rather, compress partial blocks of data (zlib *can* stream)
+
+ // Blocktypes converter (1.8 included the meta into the blocktype):
+ unsigned short Blocks[ARRAYCOUNT(m_BlockTypes)];
+ for (int RelX = 0; RelX < cChunkDef::Width; RelX++)
+ {
+ for (int RelZ = 0; RelZ < cChunkDef::Width; RelZ++)
+ {
+ for (int RelY = 0; RelY < cChunkDef::Height; RelY++)
+ {
+ int Index = cChunkDef::MakeIndexNoCheck(RelX, RelY, RelZ);
+ BLOCKTYPE BlockType = m_BlockTypes[Index];
+ NIBBLETYPE BlockMeta = m_BlockMetas[Index / 2] >> ((Index & 1) * 4) & 0x0f;
+
+ Blocks[Index] = ((unsigned short)BlockType << 4) | ((unsigned short)BlockMeta & 15);
+ }
+ }
+ }
+
+ const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width;
+ const int BlockLightOffset = sizeof(Blocks);
+ 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, Blocks, sizeof(Blocks));
+ memcpy(AllData + BlockLightOffset, m_BlockLight, sizeof(m_BlockLight));
+ memcpy(AllData + SkyLightOffset, m_BlockSkyLight, sizeof(m_BlockSkyLight));
+ memcpy(AllData + BiomeOffset, m_BiomeData, BiomeDataSize);
+
+ // Put all those data into a_Data:
+ a_Data.push_back('\x01'); // "Ground-up continuous", or rather, "biome data present" flag
+
+ // 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 BitMap = 0xffff;
+ a_Data.append((const char *)&BitMap, sizeof(short));
+
+ // Write chunk size:
+ UInt32 ChunkSize = htonl((UInt32)DataSize);
+
+ unsigned char b[5]; // // A 32-bit integer can be encoded by at most 5 bytes
+ size_t idx = 0;
+ UInt32 Value = ChunkSize;
+ do
+ {
+ b[idx] = (Value & 0x7f) | ((Value > 0x7f) ? 0x80 : 0x00);
+ Value = Value >> 7;
+ idx++;
+ } while (Value > 0);
+ a_Data.append((const char *)b, idx);
+
+ a_Data.append(AllData, ChunkSize); // Chunk data
+}
+
+
+
+