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authorAlexander Harkness <me@bearbin.net>2024-11-02 22:27:47 +0100
committerAlexander Harkness <me@bearbin.net>2024-11-02 22:27:47 +0100
commitcb50ec10591c0e0e4b9915e642bc50d3d8d1fd0a (patch)
treef647b20e1823f1846af88e832cf82a4a02e96e69 /src/Protocol/ChunkDataSerializer.cpp
parentImprove 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.cpp256
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)