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author | Alexander Harkness <me@bearbin.net> | 2024-11-02 22:27:47 +0100 |
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committer | Alexander Harkness <me@bearbin.net> | 2024-11-02 22:27:47 +0100 |
commit | cb50ec10591c0e0e4b9915e642bc50d3d8d1fd0a (patch) | |
tree | f647b20e1823f1846af88e832cf82a4a02e96e69 /src/Protocol/ChunkDataSerializer.cpp | |
parent | Improve clang-format config file, remove automatically enforced code style from contrib guide. (diff) | |
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Diffstat (limited to 'src/Protocol/ChunkDataSerializer.cpp')
-rw-r--r-- | src/Protocol/ChunkDataSerializer.cpp | 256 |
1 files changed, 152 insertions, 104 deletions
diff --git a/src/Protocol/ChunkDataSerializer.cpp b/src/Protocol/ChunkDataSerializer.cpp index cfabc6e31..7095126bd 100644 --- a/src/Protocol/ChunkDataSerializer.cpp +++ b/src/Protocol/ChunkDataSerializer.cpp @@ -16,40 +16,39 @@ namespace { - std::pair<UInt16, size_t> GetSectionBitmask(const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData) - { - size_t Present = 0; - UInt16 Mask = 0; +std::pair<UInt16, size_t> GetSectionBitmask(const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData) +{ + size_t Present = 0; + UInt16 Mask = 0; - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { - Present++; - Mask |= (1 << Y); - }); + ChunkDef_ForEachSection(a_BlockData, a_LightData, { + Present++; + Mask |= (1 << Y); + }); - return { Mask, Present }; - } + return {Mask, Present}; +} - auto PaletteLegacy(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) - { - return (a_BlockType << 4) | a_Meta; - } +auto PaletteLegacy(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) +{ + return (a_BlockType << 4) | a_Meta; +} - auto Palette393(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) - { - return Palette_1_13::From(PaletteUpgrade::FromBlock(a_BlockType, a_Meta)); - } +auto Palette393(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) +{ + return Palette_1_13::From(PaletteUpgrade::FromBlock(a_BlockType, a_Meta)); +} - auto Palette401(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) - { - return Palette_1_13_1::From(PaletteUpgrade::FromBlock(a_BlockType, a_Meta)); - } +auto Palette401(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) +{ + return Palette_1_13_1::From(PaletteUpgrade::FromBlock(a_BlockType, a_Meta)); +} - auto Palette477(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) - { - return Palette_1_14::From(PaletteUpgrade::FromBlock(a_BlockType, a_Meta)); - } +auto Palette477(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta) +{ + return Palette_1_14::From(PaletteUpgrade::FromBlock(a_BlockType, a_Meta)); } +} // namespace @@ -59,8 +58,7 @@ namespace // cChunkDataSerializer: cChunkDataSerializer::cChunkDataSerializer(const eDimension a_Dimension) : - m_Packet(512 KiB), - m_Dimension(a_Dimension) + m_Packet(512 KiB), m_Dimension(a_Dimension) { } @@ -68,7 +66,14 @@ cChunkDataSerializer::cChunkDataSerializer(const eDimension a_Dimension) : -void cChunkDataSerializer::SendToClients(const int a_ChunkX, const int a_ChunkZ, const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData, const unsigned char * a_BiomeMap, const ClientHandles & a_SendTo) +void cChunkDataSerializer::SendToClients( + const int a_ChunkX, + const int a_ChunkZ, + const ChunkBlockData & a_BlockData, + const ChunkLightData & a_LightData, + const unsigned char * a_BiomeMap, + const ClientHandles & a_SendTo +) { for (const auto & Client : a_SendTo) { @@ -99,7 +104,15 @@ void cChunkDataSerializer::SendToClients(const int a_ChunkX, const int a_ChunkZ, } case cProtocol::Version::v1_13: { - Serialize(Client, a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap, CacheVersion::v393); // This version didn't last very long xD + Serialize( + Client, + a_ChunkX, + a_ChunkZ, + a_BlockData, + a_LightData, + a_BiomeMap, + CacheVersion::v393 + ); // This version didn't last very long xD continue; } case cProtocol::Version::v1_13_1: @@ -132,7 +145,15 @@ void cChunkDataSerializer::SendToClients(const int a_ChunkX, const int a_ChunkZ, -inline void cChunkDataSerializer::Serialize(const ClientHandles::value_type & a_Client, const int a_ChunkX, const int a_ChunkZ, const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData, const unsigned char * a_BiomeMap, const CacheVersion a_CacheVersion) +inline void cChunkDataSerializer::Serialize( + const ClientHandles::value_type & a_Client, + const int a_ChunkX, + const int a_ChunkZ, + const ChunkBlockData & a_BlockData, + const ChunkLightData & a_LightData, + const unsigned char * a_BiomeMap, + const CacheVersion a_CacheVersion +) { auto & Cache = m_Cache[static_cast<size_t>(a_CacheVersion)]; if (Cache.Engaged) @@ -185,7 +206,13 @@ inline void cChunkDataSerializer::Serialize(const ClientHandles::value_type & a_ -inline void cChunkDataSerializer::Serialize47(const int a_ChunkX, const int a_ChunkZ, const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData, const unsigned char * a_BiomeMap) +inline void cChunkDataSerializer::Serialize47( + const int a_ChunkX, + const int a_ChunkZ, + const ChunkBlockData & a_BlockData, + const ChunkLightData & a_LightData, + const unsigned char * a_BiomeMap +) { // This function returns the fully compressed packet (including packet size), not the raw packet! @@ -195,7 +222,7 @@ inline void cChunkDataSerializer::Serialize47(const int a_ChunkX, const int a_Ch m_Packet.WriteVarInt32(0x21); // Packet id (Chunk Data packet) m_Packet.WriteBEInt32(a_ChunkX); m_Packet.WriteBEInt32(a_ChunkZ); - m_Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag + m_Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag // Minecraft 1.8 does not like completely empty packets // Send one completely empty chunk section if this is the case @@ -204,18 +231,18 @@ inline void cChunkDataSerializer::Serialize47(const int a_ChunkX, const int a_Ch // Write the chunk size: // Account for the single empty section if sending an empty chunk const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const size_t ChunkSize = ( - (Bitmask.second ? Bitmask.second : 1) * (ChunkBlockData::SectionBlockCount * 2 + ChunkLightData::SectionLightCount * 2) + // Blocks and lighting - BiomeDataSize // Biome data - ); + const size_t ChunkSize = + ((Bitmask.second ? Bitmask.second : 1) * + (ChunkBlockData::SectionBlockCount * 2 + ChunkLightData::SectionLightCount * 2) + // Blocks and lighting + BiomeDataSize // Biome data + ); m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSize)); // Chunk written as seperate arrays of (blocktype + meta), blocklight and skylight // each array stores all present sections of the same kind packed together // Write the block types to the packet: - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { + ChunkDef_ForEachSection(a_BlockData, a_LightData, { const bool BlocksExist = Blocks != nullptr; const bool MetasExist = Metas != nullptr; @@ -229,8 +256,7 @@ inline void cChunkDataSerializer::Serialize47(const int a_ChunkX, const int a_Ch }); // Write the block lights: - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { + ChunkDef_ForEachSection(a_BlockData, a_LightData, { if (BlockLights == nullptr) { m_Packet.WriteBuf(ChunkLightData::SectionLightCount, ChunkLightData::DefaultBlockLightValue); @@ -242,8 +268,7 @@ inline void cChunkDataSerializer::Serialize47(const int a_ChunkX, const int a_Ch }); // Write the sky lights: - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { + ChunkDef_ForEachSection(a_BlockData, a_LightData, { if (SkyLights == nullptr) { m_Packet.WriteBuf(ChunkLightData::SectionLightCount, ChunkLightData::DefaultSkyLightValue); @@ -275,13 +300,20 @@ inline void cChunkDataSerializer::Serialize47(const int a_ChunkX, const int a_Ch -inline void cChunkDataSerializer::Serialize107(const int a_ChunkX, const int a_ChunkZ, const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData, const unsigned char * a_BiomeMap) +inline void cChunkDataSerializer::Serialize107( + const int a_ChunkX, + const int a_ChunkZ, + const ChunkBlockData & a_BlockData, + const ChunkLightData & a_LightData, + const unsigned char * a_BiomeMap +) { // This function returns the fully compressed packet (including packet size), not the raw packet! // Below variables tagged static because of https://developercommunity.visualstudio.com/content/problem/367326 static constexpr UInt8 BitsPerEntry = 13; - static constexpr size_t ChunkSectionDataArraySize = (ChunkBlockData::SectionBlockCount * BitsPerEntry) / 8 / 8; // Convert from bit count to long count + static constexpr size_t ChunkSectionDataArraySize = + (ChunkBlockData::SectionBlockCount * BitsPerEntry) / 8 / 8; // Convert from bit count to long count const auto Bitmask = GetSectionBitmask(a_BlockData, a_LightData); @@ -289,16 +321,16 @@ inline void cChunkDataSerializer::Serialize107(const int a_ChunkX, const int a_C m_Packet.WriteVarInt32(0x20); // Packet id (Chunk Data packet) m_Packet.WriteBEInt32(a_ChunkX); m_Packet.WriteBEInt32(a_ChunkZ); - m_Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag + m_Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag m_Packet.WriteVarInt32(Bitmask.first); - size_t ChunkSectionSize = ( - 1 + // Bits per block - set to 13, so the global palette is used and the palette has a length of 0 - 1 + // Palette length - 2 + // Data array length VarInt - 2 bytes for the current value - ChunkSectionDataArraySize * 8 + // Actual block data - multiplied by 8 because first number is longs - ChunkLightData::SectionLightCount // Block light - ); + size_t ChunkSectionSize = + (1 + // Bits per block - set to 13, so the global palette is used and the palette has a length of 0 + 1 + // Palette length + 2 + // Data array length VarInt - 2 bytes for the current value + ChunkSectionDataArraySize * 8 + // Actual block data - multiplied by 8 because first number is longs + ChunkLightData::SectionLightCount // Block light + ); if (m_Dimension == dimOverworld) { @@ -307,17 +339,13 @@ inline void cChunkDataSerializer::Serialize107(const int a_ChunkX, const int a_C } const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const size_t ChunkSize = ( - ChunkSectionSize * Bitmask.second + - BiomeDataSize - ); + const size_t ChunkSize = (ChunkSectionSize * Bitmask.second + BiomeDataSize); // Write the chunk size: m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSize)); // Write each chunk section... - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { + ChunkDef_ForEachSection(a_BlockData, a_LightData, { m_Packet.WriteBEUInt8(BitsPerEntry); m_Packet.WriteVarInt32(0); // Palette length is 0 m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize)); @@ -333,13 +361,20 @@ inline void cChunkDataSerializer::Serialize107(const int a_ChunkX, const int a_C -inline void cChunkDataSerializer::Serialize110(const int a_ChunkX, const int a_ChunkZ, const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData, const unsigned char * a_BiomeMap) +inline void cChunkDataSerializer::Serialize110( + const int a_ChunkX, + const int a_ChunkZ, + const ChunkBlockData & a_BlockData, + const ChunkLightData & a_LightData, + const unsigned char * a_BiomeMap +) { // This function returns the fully compressed packet (including packet size), not the raw packet! // Below variables tagged static because of https://developercommunity.visualstudio.com/content/problem/367326 static constexpr UInt8 BitsPerEntry = 13; - static constexpr size_t ChunkSectionDataArraySize = (ChunkBlockData::SectionBlockCount * BitsPerEntry) / 8 / 8; // Convert from bit count to long count + static constexpr size_t ChunkSectionDataArraySize = + (ChunkBlockData::SectionBlockCount * BitsPerEntry) / 8 / 8; // Convert from bit count to long count const auto Bitmask = GetSectionBitmask(a_BlockData, a_LightData); @@ -347,16 +382,16 @@ inline void cChunkDataSerializer::Serialize110(const int a_ChunkX, const int a_C m_Packet.WriteVarInt32(0x20); // Packet id (Chunk Data packet) m_Packet.WriteBEInt32(a_ChunkX); m_Packet.WriteBEInt32(a_ChunkZ); - m_Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag + m_Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag m_Packet.WriteVarInt32(Bitmask.first); - size_t ChunkSectionSize = ( - 1 + // Bits per block - set to 13, so the global palette is used and the palette has a length of 0 - 1 + // Palette length - 2 + // Data array length VarInt - 2 bytes for the current value - ChunkSectionDataArraySize * 8 + // Actual block data - multiplied by 8 because first number is longs - ChunkLightData::SectionLightCount // Block light - ); + size_t ChunkSectionSize = + (1 + // Bits per block - set to 13, so the global palette is used and the palette has a length of 0 + 1 + // Palette length + 2 + // Data array length VarInt - 2 bytes for the current value + ChunkSectionDataArraySize * 8 + // Actual block data - multiplied by 8 because first number is longs + ChunkLightData::SectionLightCount // Block light + ); if (m_Dimension == dimOverworld) { @@ -365,17 +400,13 @@ inline void cChunkDataSerializer::Serialize110(const int a_ChunkX, const int a_C } const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const size_t ChunkSize = ( - ChunkSectionSize * Bitmask.second + - BiomeDataSize - ); + const size_t ChunkSize = (ChunkSectionSize * Bitmask.second + BiomeDataSize); // Write the chunk size: m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSize)); // Write each chunk section... - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { + ChunkDef_ForEachSection(a_BlockData, a_LightData, { m_Packet.WriteBEUInt8(BitsPerEntry); m_Packet.WriteVarInt32(0); // Palette length is 0 m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize)); @@ -395,7 +426,13 @@ inline void cChunkDataSerializer::Serialize110(const int a_ChunkX, const int a_C template <auto Palette> -inline void cChunkDataSerializer::Serialize393(const int a_ChunkX, const int a_ChunkZ, const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData, const unsigned char * a_BiomeMap) +inline void cChunkDataSerializer::Serialize393( + const int a_ChunkX, + const int a_ChunkZ, + const ChunkBlockData & a_BlockData, + const ChunkLightData & a_LightData, + const unsigned char * a_BiomeMap +) { // This function returns the fully compressed packet (including packet size), not the raw packet! // Below variables tagged static because of https://developercommunity.visualstudio.com/content/problem/367326 @@ -412,12 +449,13 @@ inline void cChunkDataSerializer::Serialize393(const int a_ChunkX, const int a_C m_Packet.WriteBool(true); // "Ground-up continuous", or rather, "biome data present" flag m_Packet.WriteVarInt32(Bitmask.first); - size_t ChunkSectionSize = ( - 1 + // Bits per entry, BEUInt8, 1 byte - m_Packet.GetVarIntSize(static_cast<UInt32>(ChunkSectionDataArraySize)) + // Field containing "size of whole section", VarInt32, variable size - ChunkSectionDataArraySize * 8 + // Actual section data, lots of bytes (multiplier 1 long = 8 bytes) - ChunkLightData::SectionLightCount // Size of blocklight which is always sent - ); + size_t ChunkSectionSize = + (1 + // Bits per entry, BEUInt8, 1 byte + m_Packet.GetVarIntSize(static_cast<UInt32>(ChunkSectionDataArraySize) + ) + // Field containing "size of whole section", VarInt32, variable size + ChunkSectionDataArraySize * 8 + // Actual section data, lots of bytes (multiplier 1 long = 8 bytes) + ChunkLightData::SectionLightCount // Size of blocklight which is always sent + ); if (m_Dimension == dimOverworld) { @@ -426,17 +464,15 @@ inline void cChunkDataSerializer::Serialize393(const int a_ChunkX, const int a_C } const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const size_t ChunkSize = ( - ChunkSectionSize * Bitmask.second + - BiomeDataSize * 4 // Biome data now BE ints - ); + const size_t ChunkSize = + (ChunkSectionSize * Bitmask.second + BiomeDataSize * 4 // Biome data now BE ints + ); // Write the chunk size in bytes: m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSize)); // Write each chunk section... - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { + ChunkDef_ForEachSection(a_BlockData, a_LightData, { m_Packet.WriteBEUInt8(BitsPerEntry); m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize)); WriteBlockSectionSeamless<Palette>(Blocks, Metas, BitsPerEntry); @@ -457,7 +493,13 @@ inline void cChunkDataSerializer::Serialize393(const int a_ChunkX, const int a_C -inline void cChunkDataSerializer::Serialize477(const int a_ChunkX, const int a_ChunkZ, const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData, const unsigned char * a_BiomeMap) +inline void cChunkDataSerializer::Serialize477( + const int a_ChunkX, + const int a_ChunkZ, + const ChunkBlockData & a_BlockData, + const ChunkLightData & a_LightData, + const unsigned char * a_BiomeMap +) { // This function returns the fully compressed packet (including packet size), not the raw packet! // Below variables tagged static because of https://developercommunity.visualstudio.com/content/problem/367326 @@ -483,25 +525,24 @@ inline void cChunkDataSerializer::Serialize477(const int a_ChunkX, const int a_C m_Packet.Write(Writer.GetResult().data(), Writer.GetResult().size()); } - const size_t ChunkSectionSize = ( - 2 + // Block count, BEInt16, 2 bytes - 1 + // Bits per entry, BEUInt8, 1 byte - m_Packet.GetVarIntSize(static_cast<UInt32>(ChunkSectionDataArraySize)) + // Field containing "size of whole section", VarInt32, variable size - ChunkSectionDataArraySize * 8 // Actual section data, lots of bytes (multiplier 1 long = 8 bytes) - ); + const size_t ChunkSectionSize = + (2 + // Block count, BEInt16, 2 bytes + 1 + // Bits per entry, BEUInt8, 1 byte + m_Packet.GetVarIntSize(static_cast<UInt32>(ChunkSectionDataArraySize) + ) + // Field containing "size of whole section", VarInt32, variable size + ChunkSectionDataArraySize * 8 // Actual section data, lots of bytes (multiplier 1 long = 8 bytes) + ); const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const size_t ChunkSize = ( - ChunkSectionSize * Bitmask.second + - BiomeDataSize * 4 // Biome data now BE ints - ); + const size_t ChunkSize = + (ChunkSectionSize * Bitmask.second + BiomeDataSize * 4 // Biome data now BE ints + ); // Write the chunk size in bytes: m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSize)); // Write each chunk section... - ChunkDef_ForEachSection(a_BlockData, a_LightData, - { + ChunkDef_ForEachSection(a_BlockData, a_LightData, { m_Packet.WriteBEInt16(-1); m_Packet.WriteBEUInt8(BitsPerEntry); m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize)); @@ -523,7 +564,11 @@ inline void cChunkDataSerializer::Serialize477(const int a_ChunkX, const int a_C template <auto Palette> -inline void cChunkDataSerializer::WriteBlockSectionSeamless(const ChunkBlockData::BlockArray * a_Blocks, const ChunkBlockData::MetaArray * a_Metas, const UInt8 a_BitsPerEntry) +inline void cChunkDataSerializer::WriteBlockSectionSeamless( + const ChunkBlockData::BlockArray * a_Blocks, + const ChunkBlockData::MetaArray * a_Metas, + const UInt8 a_BitsPerEntry +) { // https://wiki.vg/Chunk_Format#Data_structure @@ -572,7 +617,10 @@ inline void cChunkDataSerializer::WriteBlockSectionSeamless(const ChunkBlockData -inline void cChunkDataSerializer::WriteLightSectionGrouped(const ChunkLightData::LightArray * const a_BlockLights, const ChunkLightData::LightArray * const a_SkyLights) +inline void cChunkDataSerializer::WriteLightSectionGrouped( + const ChunkLightData::LightArray * const a_BlockLights, + const ChunkLightData::LightArray * const a_SkyLights +) { // Write lighting: if (a_BlockLights == nullptr) |