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-rw-r--r--src/Protocol/ChunkDataSerializer.cpp336
1 files changed, 189 insertions, 147 deletions
diff --git a/src/Protocol/ChunkDataSerializer.cpp b/src/Protocol/ChunkDataSerializer.cpp
index ec7fa6648..80a94d024 100644
--- a/src/Protocol/ChunkDataSerializer.cpp
+++ b/src/Protocol/ChunkDataSerializer.cpp
@@ -14,26 +14,22 @@
-/** Calls the given function with every present chunk section. */
-template <class Func>
-void ForEachSection(const cChunkData & a_Data, Func a_Func)
+namespace
{
- for (size_t SectionIdx = 0; SectionIdx < cChunkData::NumSections; ++SectionIdx)
+ std::pair<UInt16, size_t> GetSectionBitmask(const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData)
{
- auto Section = a_Data.GetSection(SectionIdx);
- if (Section != nullptr)
- {
- a_Func(*Section);
- }
- }
-}
-
-
+ size_t Present = 0;
+ UInt16 Mask = 0;
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [&Present, &Mask](const auto Y, auto, auto, auto, auto)
+ {
+ Present++;
+ Mask |= (1 << Y);
+ });
+ return { Mask, Present };
+ }
-namespace
-{
auto PaletteLegacy(const BLOCKTYPE a_BlockType, const NIBBLETYPE a_Meta)
{
return (a_BlockType << 4) | a_Meta;
@@ -72,7 +68,7 @@ cChunkDataSerializer::cChunkDataSerializer(const eDimension a_Dimension) :
-void cChunkDataSerializer::SendToClients(const int a_ChunkX, const int a_ChunkZ, const cChunkData & a_Data, const unsigned char * a_BiomeData, 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)
{
@@ -80,14 +76,14 @@ void cChunkDataSerializer::SendToClients(const int a_ChunkX, const int a_ChunkZ,
{
case cProtocol::Version::v1_8_0:
{
- Serialize(Client, a_ChunkX, a_ChunkZ, a_Data, a_BiomeData, CacheVersion::v47);
+ Serialize(Client, a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap, CacheVersion::v47);
continue;
}
case cProtocol::Version::v1_9_0:
case cProtocol::Version::v1_9_1:
case cProtocol::Version::v1_9_2:
{
- Serialize(Client, a_ChunkX, a_ChunkZ, a_Data, a_BiomeData, CacheVersion::v107);
+ Serialize(Client, a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap, CacheVersion::v107);
continue;
}
case cProtocol::Version::v1_9_4:
@@ -98,23 +94,23 @@ void cChunkDataSerializer::SendToClients(const int a_ChunkX, const int a_ChunkZ,
case cProtocol::Version::v1_12_1:
case cProtocol::Version::v1_12_2:
{
- Serialize(Client, a_ChunkX, a_ChunkZ, a_Data, a_BiomeData, CacheVersion::v110);
+ Serialize(Client, a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap, CacheVersion::v110);
continue;
}
case cProtocol::Version::v1_13:
{
- Serialize(Client, a_ChunkX, a_ChunkZ, a_Data, a_BiomeData, 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:
case cProtocol::Version::v1_13_2:
{
- Serialize(Client, a_ChunkX, a_ChunkZ, a_Data, a_BiomeData, CacheVersion::v401);
+ Serialize(Client, a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap, CacheVersion::v401);
continue;
}
case cProtocol::Version::v1_14:
{
- Serialize(Client, a_ChunkX, a_ChunkZ, a_Data, a_BiomeData, CacheVersion::v477);
+ Serialize(Client, a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap, CacheVersion::v477);
continue;
}
}
@@ -132,7 +128,7 @@ 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 cChunkData & a_Data, const unsigned char * a_BiomeData, 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)
@@ -146,32 +142,32 @@ inline void cChunkDataSerializer::Serialize(const ClientHandles::value_type & a_
{
case CacheVersion::v47:
{
- Serialize47(a_ChunkX, a_ChunkZ, a_Data, a_BiomeData);
+ Serialize47(a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap);
break;
}
case CacheVersion::v107:
{
- Serialize107(a_ChunkX, a_ChunkZ, a_Data, a_BiomeData);
+ Serialize107(a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap);
break;
}
case CacheVersion::v110:
{
- Serialize110(a_ChunkX, a_ChunkZ, a_Data, a_BiomeData);
+ Serialize110(a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap);
break;
}
case CacheVersion::v393:
{
- Serialize393<&Palette393>(a_ChunkX, a_ChunkZ, a_Data, a_BiomeData);
+ Serialize393<&Palette393>(a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap);
break;
}
case CacheVersion::v401:
{
- Serialize393<&Palette401>(a_ChunkX, a_ChunkZ, a_Data, a_BiomeData);
+ Serialize393<&Palette401>(a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap);
break;
}
case CacheVersion::v477:
{
- Serialize477(a_ChunkX, a_ChunkZ, a_Data, a_BiomeData);
+ Serialize477(a_ChunkX, a_ChunkZ, a_BlockData, a_LightData, a_BiomeMap);
break;
}
}
@@ -185,177 +181,189 @@ inline void cChunkDataSerializer::Serialize(const ClientHandles::value_type & a_
-inline void cChunkDataSerializer::Serialize47(const int a_ChunkX, const int a_ChunkZ, const cChunkData & a_Data, const unsigned char * a_BiomeData)
+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!
+ const auto Bitmask = GetSectionBitmask(a_BlockData, a_LightData);
+
// Create the packet:
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.WriteBEUInt16(a_Data.GetSectionBitmask());
+ m_Packet.WriteBEUInt16(Bitmask.first);
// Write the chunk size:
const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width;
- UInt32 ChunkSize = (
- a_Data.NumPresentSections() * cChunkData::SectionBlockCount * 3 + // Blocks and lighting
+ const size_t ChunkSize = (
+ Bitmask.second * (ChunkBlockData::SectionBlockCount * 2 + ChunkLightData::SectionLightCount * 2) + // Blocks and lighting
BiomeDataSize // Biome data
);
- m_Packet.WriteVarInt32(ChunkSize);
+ 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:
- ForEachSection(a_Data, [&](const cChunkData::sChunkSection & a_Section)
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [this](auto, const auto Blocks, const auto Metas, auto, auto)
+ {
+ const bool BlocksExist = Blocks != nullptr;
+ const bool MetasExist = Metas != nullptr;
+
+ for (size_t BlockIdx = 0; BlockIdx != ChunkBlockData::SectionBlockCount; ++BlockIdx)
{
- for (size_t BlockIdx = 0; BlockIdx != cChunkData::SectionBlockCount; ++BlockIdx)
- {
- BLOCKTYPE BlockType = a_Section.m_BlockTypes[BlockIdx] & 0xFF;
- NIBBLETYPE BlockMeta = a_Section.m_BlockMetas[BlockIdx / 2] >> ((BlockIdx & 1) * 4) & 0x0f;
- m_Packet.WriteBEUInt8(static_cast<unsigned char>(BlockType << 4) | BlockMeta);
- m_Packet.WriteBEUInt8(static_cast<unsigned char>(BlockType >> 4));
- }
+ BLOCKTYPE BlockType = BlocksExist ? (*Blocks)[BlockIdx] : 0;
+ NIBBLETYPE BlockMeta = MetasExist ? cChunkDef::ExpandNibble(Metas->data(), BlockIdx) : 0;
+ m_Packet.WriteBEUInt8(static_cast<unsigned char>(BlockType << 4) | BlockMeta);
+ m_Packet.WriteBEUInt8(static_cast<unsigned char>(BlockType >> 4));
}
- );
+ });
// Write the block lights:
- ForEachSection(a_Data, [&](const cChunkData::sChunkSection & a_Section)
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [this](auto, auto, auto, const auto BlockLights, auto)
+ {
+ if (BlockLights == nullptr)
{
- m_Packet.WriteBuf(a_Section.m_BlockLight, sizeof(a_Section.m_BlockLight));
+ m_Packet.WriteBuf(ChunkLightData::SectionLightCount, ChunkLightData::DefaultBlockLightValue);
}
- );
+ else
+ {
+ m_Packet.WriteBuf(BlockLights->data(), BlockLights->size());
+ }
+ });
// Write the sky lights:
- ForEachSection(a_Data, [&](const cChunkData::sChunkSection & a_Section)
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [this](auto, auto, auto, auto, const auto SkyLights)
+ {
+ if (SkyLights == nullptr)
{
- m_Packet.WriteBuf(a_Section.m_BlockSkyLight, sizeof(a_Section.m_BlockSkyLight));
+ m_Packet.WriteBuf(ChunkLightData::SectionLightCount, ChunkLightData::DefaultSkyLightValue);
}
- );
+ else
+ {
+ m_Packet.WriteBuf(SkyLights->data(), SkyLights->size());
+ }
+ });
// Write the biome data:
- m_Packet.WriteBuf(a_BiomeData, BiomeDataSize);
+ m_Packet.WriteBuf(a_BiomeMap, BiomeDataSize);
}
-inline void cChunkDataSerializer::Serialize107(const int a_ChunkX, const int a_ChunkZ, const cChunkData & a_Data, const unsigned char * a_BiomeData)
+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
+
+ const auto Bitmask = GetSectionBitmask(a_BlockData, a_LightData);
// Create the packet:
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.WriteVarInt32(a_Data.GetSectionBitmask());
- // Write the chunk size:
- const UInt8 BitsPerEntry = 13;
- const size_t ChunkSectionDataArraySize = (cChunkData::SectionBlockCount * BitsPerEntry) / 8 / 8; // Convert from bit count to long count
+ 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
- cChunkData::SectionBlockCount / 2 // Block light
+ ChunkLightData::SectionLightCount // Block light
);
if (m_Dimension == dimOverworld)
{
// Sky light is only sent in the overworld.
- ChunkSectionSize += cChunkData::SectionBlockCount / 2;
+ ChunkSectionSize += ChunkLightData::SectionLightCount;
}
const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width;
- size_t ChunkSize = (
- ChunkSectionSize * a_Data.NumPresentSections() +
+ const size_t ChunkSize = (
+ ChunkSectionSize * Bitmask.second +
BiomeDataSize
);
+
+ // Write the chunk size:
m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSize));
// Write each chunk section...
- ForEachSection(a_Data, [&](const cChunkData::sChunkSection & a_Section)
- {
- m_Packet.WriteBEUInt8(BitsPerEntry);
- m_Packet.WriteVarInt32(0); // Palette length is 0
- m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
- WriteSectionDataSeamless<&PaletteLegacy>(a_Section, BitsPerEntry);
-
- // Write lighting:
- m_Packet.WriteBuf(a_Section.m_BlockLight, sizeof(a_Section.m_BlockLight));
- if (m_Dimension == dimOverworld)
- {
- // Skylight is only sent in the overworld; the nether and end do not use it
- m_Packet.WriteBuf(a_Section.m_BlockSkyLight, sizeof(a_Section.m_BlockSkyLight));
- }
- }
- );
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [this](auto, const auto Blocks, const auto Metas, const auto BlockLights, const auto SkyLights)
+ {
+ m_Packet.WriteBEUInt8(BitsPerEntry);
+ m_Packet.WriteVarInt32(0); // Palette length is 0
+ m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
+ WriteBlockSectionSeamless<&PaletteLegacy>(Blocks, Metas, BitsPerEntry);
+ WriteLightSectionGrouped(BlockLights, SkyLights);
+ });
// Write the biome data
- m_Packet.WriteBuf(a_BiomeData, BiomeDataSize);
+ m_Packet.WriteBuf(a_BiomeMap, BiomeDataSize);
}
-inline void cChunkDataSerializer::Serialize110(const int a_ChunkX, const int a_ChunkZ, const cChunkData & a_Data, const unsigned char * a_BiomeData)
+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
+
+ const auto Bitmask = GetSectionBitmask(a_BlockData, a_LightData);
// Create the packet:
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.WriteVarInt32(a_Data.GetSectionBitmask());
- // Write the chunk size:
- const UInt8 BitsPerEntry = 13;
- const size_t ChunkSectionDataArraySize = (cChunkData::SectionBlockCount * BitsPerEntry) / 8 / 8; // Convert from bit count to long count
+ 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
- cChunkData::SectionBlockCount / 2 // Block light
+ ChunkLightData::SectionLightCount // Block light
);
if (m_Dimension == dimOverworld)
{
// Sky light is only sent in the overworld.
- ChunkSectionSize += cChunkData::SectionBlockCount / 2;
+ ChunkSectionSize += ChunkLightData::SectionLightCount;
}
const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width;
- size_t ChunkSize = (
- ChunkSectionSize * a_Data.NumPresentSections() +
+ const size_t ChunkSize = (
+ ChunkSectionSize * Bitmask.second +
BiomeDataSize
);
+
+ // Write the chunk size:
m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSize));
// Write each chunk section...
- ForEachSection(a_Data, [&](const cChunkData::sChunkSection & a_Section)
- {
- m_Packet.WriteBEUInt8(BitsPerEntry);
- m_Packet.WriteVarInt32(0); // Palette length is 0
- m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
- WriteSectionDataSeamless<&PaletteLegacy>(a_Section, BitsPerEntry);
-
- // Write lighting:
- m_Packet.WriteBuf(a_Section.m_BlockLight, sizeof(a_Section.m_BlockLight));
- if (m_Dimension == dimOverworld)
- {
- // Skylight is only sent in the overworld; the nether and end do not use it
- m_Packet.WriteBuf(a_Section.m_BlockSkyLight, sizeof(a_Section.m_BlockSkyLight));
- }
- }
- );
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [this](auto, const auto Blocks, const auto Metas, const auto BlockLights, const auto SkyLights)
+ {
+ m_Packet.WriteBEUInt8(BitsPerEntry);
+ m_Packet.WriteVarInt32(0); // Palette length is 0
+ m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
+ WriteBlockSectionSeamless<&PaletteLegacy>(Blocks, Metas, BitsPerEntry);
+ WriteLightSectionGrouped(BlockLights, SkyLights);
+ });
// Write the biome data
- m_Packet.WriteBuf(a_BiomeData, BiomeDataSize);
+ m_Packet.WriteBuf(a_BiomeMap, BiomeDataSize);
// Identify 1.9.4's tile entity list as empty
m_Packet.WriteBEUInt8(0);
@@ -366,61 +374,58 @@ 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 cChunkData & a_Data, const unsigned char * a_BiomeData)
+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
+
+ static constexpr UInt8 BitsPerEntry = 14;
+ static constexpr size_t ChunkSectionDataArraySize = (ChunkBlockData::SectionBlockCount * BitsPerEntry) / 8 / 8;
+
+ const auto Bitmask = GetSectionBitmask(a_BlockData, a_LightData);
// Create the packet:
m_Packet.WriteVarInt32(0x22); // 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.WriteVarInt32(a_Data.GetSectionBitmask());
+ m_Packet.WriteVarInt32(Bitmask.first);
- // Write the chunk size in bytes:
- const UInt8 BitsPerEntry = 14;
- const size_t ChunkSectionDataArraySize = (cChunkData::SectionBlockCount * BitsPerEntry) / 8 / 8;
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)
- cChunkData::SectionBlockCount / 2 // Size of blocklight which is always sent
+ ChunkLightData::SectionLightCount // Size of blocklight which is always sent
);
if (m_Dimension == dimOverworld)
{
// Sky light is only sent in the overworld.
- ChunkSectionSize += cChunkData::SectionBlockCount / 2;
+ ChunkSectionSize += ChunkLightData::SectionLightCount;
}
const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width;
- size_t ChunkSize = (
- ChunkSectionSize * a_Data.NumPresentSections() +
+ 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...
- ForEachSection(a_Data, [&](const cChunkData::sChunkSection & a_Section)
- {
- m_Packet.WriteBEUInt8(BitsPerEntry);
- m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
- WriteSectionDataSeamless<Palette>(a_Section, BitsPerEntry);
-
- // Write lighting:
- m_Packet.WriteBuf(a_Section.m_BlockLight, sizeof(a_Section.m_BlockLight));
- if (m_Dimension == dimOverworld)
- {
- // Skylight is only sent in the overworld; the nether and end do not use it
- m_Packet.WriteBuf(a_Section.m_BlockSkyLight, sizeof(a_Section.m_BlockSkyLight));
- }
- }
- );
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [this](auto, const auto Blocks, const auto Metas, const auto BlockLights, const auto SkyLights)
+ {
+ m_Packet.WriteBEUInt8(BitsPerEntry);
+ m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
+ WriteBlockSectionSeamless<Palette>(Blocks, Metas, BitsPerEntry);
+ WriteLightSectionGrouped(BlockLights, SkyLights);
+ });
// Write the biome data
for (size_t i = 0; i != BiomeDataSize; i++)
{
- m_Packet.WriteBEUInt32(static_cast<UInt32>(a_BiomeData[i]) & 0xff);
+ m_Packet.WriteBEUInt32(static_cast<UInt32>(a_BiomeMap[i]));
}
// Identify 1.9.4's tile entity list as empty
@@ -431,16 +436,22 @@ 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 cChunkData & a_Data, const unsigned char * a_BiomeData)
+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
+
+ static constexpr UInt8 BitsPerEntry = 14;
+ static constexpr size_t ChunkSectionDataArraySize = (ChunkBlockData::SectionBlockCount * BitsPerEntry) / 8 / 8;
+
+ const auto Bitmask = GetSectionBitmask(a_BlockData, a_LightData);
// Create the packet:
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.WriteVarInt32(a_Data.GetSectionBitmask());
+ m_Packet.WriteVarInt32(Bitmask.first);
{
cFastNBTWriter Writer;
@@ -451,9 +462,6 @@ inline void cChunkDataSerializer::Serialize477(const int a_ChunkX, const int a_C
m_Packet.Write(Writer.GetResult().data(), Writer.GetResult().size());
}
- // Write the chunk size in bytes:
- const UInt8 BitsPerEntry = 14;
- const size_t ChunkSectionDataArraySize = (cChunkData::SectionBlockCount * BitsPerEntry) / 8 / 8;
const size_t ChunkSectionSize = (
2 + // Block count, BEInt16, 2 bytes
1 + // Bits per entry, BEUInt8, 1 byte
@@ -463,25 +471,26 @@ inline void cChunkDataSerializer::Serialize477(const int a_ChunkX, const int a_C
const size_t BiomeDataSize = cChunkDef::Width * cChunkDef::Width;
const size_t ChunkSize = (
- ChunkSectionSize * a_Data.NumPresentSections() +
+ 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...
- ForEachSection(a_Data, [&](const cChunkData::sChunkSection & a_Section)
- {
- m_Packet.WriteBEInt16(-1);
- m_Packet.WriteBEUInt8(BitsPerEntry);
- m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
- WriteSectionDataSeamless<&Palette477>(a_Section, BitsPerEntry);
- }
- );
+ ChunkDef::ForEachSection(a_BlockData, a_LightData, [this](auto, const auto Blocks, const auto Metas, auto, auto)
+ {
+ m_Packet.WriteBEInt16(-1);
+ m_Packet.WriteBEUInt8(BitsPerEntry);
+ m_Packet.WriteVarInt32(static_cast<UInt32>(ChunkSectionDataArraySize));
+ WriteBlockSectionSeamless<&Palette477>(Blocks, Metas, BitsPerEntry);
+ });
// Write the biome data
for (size_t i = 0; i != BiomeDataSize; i++)
{
- m_Packet.WriteBEUInt32(static_cast<UInt32>(a_BiomeData[i]) & 0xff);
+ m_Packet.WriteBEUInt32(a_BiomeMap[i]);
}
// Identify 1.9.4's tile entity list as empty
@@ -493,7 +502,7 @@ inline void cChunkDataSerializer::Serialize477(const int a_ChunkX, const int a_C
template <auto Palette>
-inline void cChunkDataSerializer::WriteSectionDataSeamless(const cChunkData::sChunkSection & a_Section, 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
@@ -503,10 +512,13 @@ inline void cChunkDataSerializer::WriteSectionDataSeamless(const cChunkData::sCh
UInt64 Buffer = 0; // A buffer to compose multiple smaller bitsizes into one 64-bit number
unsigned char BitIndex = 0; // The bit-position in Buffer that represents where to write next
- for (size_t Index = 0; Index != cChunkData::SectionBlockCount; Index++)
+ const bool BlocksExist = a_Blocks != nullptr;
+ const bool MetasExist = a_Metas != nullptr;
+
+ for (size_t Index = 0; Index != ChunkBlockData::SectionBlockCount; Index++)
{
- const BLOCKTYPE BlockType = a_Section.m_BlockTypes[Index];
- const NIBBLETYPE BlockMeta = (a_Section.m_BlockMetas[Index / 2] >> ((Index % 2) * 4)) & 0x0f;
+ const BLOCKTYPE BlockType = BlocksExist ? (*a_Blocks)[Index] : 0;
+ const NIBBLETYPE BlockMeta = MetasExist ? cChunkDef::ExpandNibble(a_Metas->data(), Index) : 0;
const auto Value = Palette(BlockType, BlockMeta);
// Write as much as possible of Value, starting from BitIndex, into Buffer:
@@ -530,7 +542,7 @@ inline void cChunkDataSerializer::WriteSectionDataSeamless(const cChunkData::sCh
}
}
- static_assert((cChunkData::SectionBlockCount % 64) == 0, "Section must fit wholly into a 64-bit long array");
+ static_assert((ChunkBlockData::SectionBlockCount % 64) == 0, "Section must fit wholly into a 64-bit long array");
ASSERT(BitIndex == 0);
ASSERT(Buffer == 0);
}
@@ -539,6 +551,36 @@ inline void cChunkDataSerializer::WriteSectionDataSeamless(const cChunkData::sCh
+inline void cChunkDataSerializer::WriteLightSectionGrouped(const ChunkLightData::LightArray * const a_BlockLights, const ChunkLightData::LightArray * const a_SkyLights)
+{
+ // Write lighting:
+ if (a_BlockLights == nullptr)
+ {
+ m_Packet.WriteBuf(ChunkLightData::SectionLightCount, ChunkLightData::DefaultBlockLightValue);
+ }
+ else
+ {
+ m_Packet.WriteBuf(a_BlockLights->data(), a_BlockLights->size());
+ }
+
+ // Skylight is only sent in the overworld; the nether and end do not use it:
+ if (m_Dimension == dimOverworld)
+ {
+ if (a_SkyLights == nullptr)
+ {
+ m_Packet.WriteBuf(ChunkLightData::SectionLightCount, ChunkLightData::DefaultSkyLightValue);
+ }
+ else
+ {
+ m_Packet.WriteBuf(a_SkyLights->data(), a_SkyLights->size());
+ }
+ }
+}
+
+
+
+
+
inline void cChunkDataSerializer::CompressPacketInto(ChunkDataCache & a_Cache)
{
m_Compressor.ReadFrom(m_Packet);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 22:56:20 +0100