diff options
Diffstat (limited to '')
| -rw-r--r-- | src/Protocol/ChunkDataSerializer.cpp | 79 |
1 files changed, 77 insertions, 2 deletions
diff --git a/src/Protocol/ChunkDataSerializer.cpp b/src/Protocol/ChunkDataSerializer.cpp index ebe61631b..a133cc0e3 100644 --- a/src/Protocol/ChunkDataSerializer.cpp +++ b/src/Protocol/ChunkDataSerializer.cpp @@ -8,6 +8,8 @@ #include "Globals.h" #include "ChunkDataSerializer.h" #include "zlib/zlib.h" +#include "ByteBuffer.h" +#include "Protocol18x.h" @@ -30,7 +32,7 @@ cChunkDataSerializer::cChunkDataSerializer( -const AString & cChunkDataSerializer::Serialize(int a_Version) +const AString & cChunkDataSerializer::Serialize(int a_Version, int a_ChunkX, int a_ChunkZ) { Serializations::const_iterator itr = m_Serializations.find(a_Version); if (itr != m_Serializations.end()) @@ -43,6 +45,7 @@ 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: Serialize47(data, a_ChunkX, a_ChunkZ); break; // TODO: Other protocol versions may serialize the data differently; implement here default: @@ -52,7 +55,10 @@ const AString & cChunkDataSerializer::Serialize(int a_Version) break; } } - m_Serializations[a_Version] = data; + if (!data.empty()) + { + m_Serializations[a_Version] = data; + } return m_Serializations[a_Version]; } @@ -174,3 +180,72 @@ void cChunkDataSerializer::Serialize39(AString & a_Data) + +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! + + // Create the packet: + cByteBuffer Packet(512 KiB); + Packet.WriteVarInt(0x21); // Packet id (Chunk Data packet) + Packet.WriteBEInt(a_ChunkX); + Packet.WriteBEInt(a_ChunkZ); + Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag + Packet.WriteBEShort((short) 0xffff); // We're aways sending the full chunk with no additional data, so the bitmap is 0xffff + + // Write the chunk size: + const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width; + UInt32 ChunkSize = ( + (cChunkDef::NumBlocks * 2) + // Block meta + type + sizeof(m_BlockLight) + // Block light + sizeof(m_BlockSkyLight) + // Block sky light + BiomeDataSize // Biome data + ); + Packet.WriteVarInt(ChunkSize); + + // Write the block types to the packet: + for (size_t Index = 0; Index < cChunkDef::NumBlocks; Index++) + { + BLOCKTYPE BlockType = m_BlockTypes[Index] & 0xFF; + NIBBLETYPE BlockMeta = m_BlockMetas[Index / 2] >> ((Index & 1) * 4) & 0x0f; + Packet.WriteByte((unsigned char)(BlockType << 4) | BlockMeta); + Packet.WriteByte((unsigned char)(BlockType >> 4)); + } + + // Write the rest: + Packet.WriteBuf(m_BlockLight, sizeof(m_BlockLight)); + Packet.WriteBuf(m_BlockSkyLight, sizeof(m_BlockSkyLight)); + Packet.WriteBuf(m_BiomeData, BiomeDataSize); + + AString PacketData; + Packet.ReadAll(PacketData); + Packet.CommitRead(); + + cByteBuffer Buffer(20); + if (PacketData.size() >= 256) + { + if (!cProtocol180::CompressPacket(PacketData, a_Data)) + { + ASSERT(!"Packet compression failed."); + a_Data.clear(); + return; + } + } + else + { + AString PostData; + Buffer.WriteVarInt((UInt32)Packet.GetUsedSpace() + 1); + Buffer.WriteVarInt(0); + Buffer.ReadAll(PostData); + Buffer.CommitRead(); + + a_Data.clear(); + a_Data.reserve(PostData.size() + PacketData.size()); + a_Data.append(PostData.data(), PostData.size()); + a_Data.append(PacketData.data(), PacketData.size()); + } +} + + + + |