text: 
  // Protocol_1_8.cpp
  
  /*
  Implements the 1.8 protocol classes:
  	- cProtocol_1_8_0
  		- release 1.8 protocol (#47)
  */
  
  #include "Globals.h"
  #include "Protocol_1_8.h"
  #include "main.h"
  #include "../mbedTLS++/Sha1Checksum.h"
  #include "Packetizer.h"
  
  #include "../ClientHandle.h"
  #include "../Root.h"
  #include "../Server.h"
  #include "../World.h"
  #include "../EffectID.h"
  #include "../StringCompression.h"
  #include "../CompositeChat.h"
  #include "../UUID.h"
  #include "../World.h"
  #include "../JsonUtils.h"
  
  #include "../WorldStorage/FastNBT.h"
  #include "../WorldStorage/EnchantmentSerializer.h"
  
  #include "../Entities/ExpOrb.h"
  #include "../Entities/Minecart.h"
  #include "../Entities/FallingBlock.h"
  #include "../Entities/Floater.h"
  #include "../Entities/Painting.h"
  #include "../Entities/Pickup.h"
  #include "../Entities/Player.h"
  #include "../Entities/ItemFrame.h"
  #include "../Entities/ArrowEntity.h"
  #include "../Entities/FireworkEntity.h"
  
  #include "../Mobs/IncludeAllMonsters.h"
  #include "../UI/Window.h"
  #include "../UI/HorseWindow.h"
  
  #include "../BlockEntities/BannerEntity.h"
  #include "../BlockEntities/BeaconEntity.h"
  #include "../BlockEntities/CommandBlockEntity.h"
  #include "../BlockEntities/EnchantingTableEntity.h"
  #include "../BlockEntities/MobHeadEntity.h"
  #include "../BlockEntities/MobSpawnerEntity.h"
  #include "../BlockEntities/FlowerPotEntity.h"
  #include "../Bindings/PluginManager.h"
  
  
  
  
  
  #define HANDLE_READ(ByteBuf, Proc, Type, Var) \
  	Type Var; \
  	do { \
  		if (!ByteBuf.Proc(Var))\
  		{\
  			return;\
  		} \
  	} while (false)
  
  
  
  
  
  #define HANDLE_PACKET_READ(ByteBuf, Proc, Type, Var) \
  	Type Var; \
  	do { \
  		{ \
  			if (!ByteBuf.Proc(Var)) \
  			{ \
  				ByteBuf.CheckValid(); \
  				return false; \
  			} \
  			ByteBuf.CheckValid(); \
  		} \
  	} while (false)
  
  
  
  
  
  const int MAX_ENC_LEN = 512;  // Maximum size of the encrypted message; should be 128, but who knows...
  static const UInt32 CompressionThreshold = 256;  // After how large a packet should we compress it.
  
  
  
  
  
  ////////////////////////////////////////////////////////////////////////////////
  // cProtocol_1_8_0:
  
  cProtocol_1_8_0::cProtocol_1_8_0(cClientHandle * a_Client, const AString & a_ServerAddress, State a_State) :
  	Super(a_Client),
  	m_State(a_State),
  	m_ServerAddress(a_ServerAddress),
  	m_IsEncrypted(false)
  {
  	AStringVector Params;
  	SplitZeroTerminatedStrings(a_ServerAddress, Params);
  
  	if (Params.size() >= 2)
  	{
  		m_ServerAddress = Params[0];
  
  		if (Params[1] == "FML")
  		{
  			LOGD("Forge client connected!");
  			m_Client->SetIsForgeClient();
  		}
  		else if (Params.size() == 4)
  		{
  			if (cRoot::Get()->GetServer()->ShouldAllowBungeeCord())
  			{
  				// BungeeCord handling:
  				// If BC is setup with ip_forward == true, it sends additional data in the login packet's ServerAddress field:
  				// hostname\00ip-address\00uuid\00profile-properties-as-json
  
  				LOGD("Player at %s connected via BungeeCord", Params[1].c_str());
  
  				cUUID UUID;
  				UUID.FromString(Params[2]);
  
  				Json::Value root;
  				if (!JsonUtils::ParseString(Params[3], root))
  				{
  					LOGERROR("Unable to parse player properties: '%s'", Params[3]);
  					m_Client->ProxyInit(Params[1], UUID);
  				}
  				else
  				{
  					m_Client->ProxyInit(Params[1], UUID, root);
  				}
  			}
  			else
  			{
  				LOG("BungeeCord is disabled, but client sent additional data, set AllowBungeeCord=1 if you want to allow it");
  			}
  		}
  		else
  		{
  			LOG("Unknown additional data sent in server address (BungeeCord/FML?): %zu parameters", Params.size());
  			// TODO: support FML + BungeeCord? (what parameters does it send in that case?) https://github.com/SpigotMC/BungeeCord/issues/899
  		}
  	}
  
  	// Create the comm log file, if so requested:
  	if (g_ShouldLogCommIn || g_ShouldLogCommOut)
  	{
  		static int sCounter = 0;
  		cFile::CreateFolder("CommLogs");
  		AString IP(a_Client->GetIPString());
  		ReplaceString(IP, ":", "_");
  		AString FileName = Printf("CommLogs/%x_%d__%s.log",
  			static_cast<unsigned>(time(nullptr)),
  			sCounter++,
  			IP.c_str()
  		);
  		if (!m_CommLogFile.Open(FileName, cFile::fmWrite))
  		{
  			LOG("Cannot log communication to file, the log file \"%s\" cannot be opened for writing.", FileName.c_str());
  		}
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::DataReceived(cByteBuffer & a_Buffer, ContiguousByteBuffer & a_Data)
  {
  	if (m_IsEncrypted)
  	{
  		m_Decryptor.ProcessData(a_Data.data(), a_Data.size());
  	}
  
  	AddReceivedData(a_Buffer, a_Data);
  }
  
  
  
  
  
  void cProtocol_1_8_0::DataPrepared(ContiguousByteBuffer & a_Data)
  {
  	if (m_IsEncrypted)
  	{
  		m_Encryptor.ProcessData(a_Data.data(), a_Data.size());
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktAttachEntity);
  	Pkt.WriteBEUInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEUInt32(a_Vehicle.GetUniqueID());
  	Pkt.WriteBool(false);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktBlockAction);
  	Pkt.WriteXYZPosition64(a_BlockX, a_BlockY, a_BlockZ);
  	Pkt.WriteBEInt8(a_Byte1);
  	Pkt.WriteBEInt8(a_Byte2);
  	Pkt.WriteVarInt32(a_BlockType);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBlockBreakAnim(UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktBlockBreakAnim);
  	Pkt.WriteVarInt32(a_EntityID);
  	Pkt.WriteXYZPosition64(a_BlockX, a_BlockY, a_BlockZ);
  	Pkt.WriteBEInt8(a_Stage);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktBlockChange);
  	Pkt.WriteXYZPosition64(a_BlockX, a_BlockY, a_BlockZ);
  	Pkt.WriteVarInt32((static_cast<UInt32>(a_BlockType) << 4) | (static_cast<UInt32>(a_BlockMeta) & 15));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktBlockChanges);
  	Pkt.WriteBEInt32(a_ChunkX);
  	Pkt.WriteBEInt32(a_ChunkZ);
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Changes.size()));
  
  	for (const auto & Change : a_Changes)
  	{
  		Int16 Coords = static_cast<Int16>(Change.m_RelY | (Change.m_RelZ << 8) | (Change.m_RelX << 12));
  		Pkt.WriteBEInt16(Coords);
  		Pkt.WriteVarInt32(static_cast<UInt32>(Change.m_BlockType & 0xFFF) << 4 | (Change.m_BlockMeta & 0xF));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBossBarAdd(UInt32 a_UniqueID, const cCompositeChat & a_Title, float a_FractionFilled, BossBarColor a_Color, BossBarDivisionType a_DivisionType, bool a_DarkenSky, bool a_PlayEndMusic, bool a_CreateFog)
  {
  	// No such packet here
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBossBarRemove(UInt32 a_UniqueID)
  {
  	// No such packet here
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBossBarUpdateFlags(UInt32 a_UniqueID, bool a_DarkenSky, bool a_PlayEndMusic, bool a_CreateFog)
  {
  	// No such packet here
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBossBarUpdateHealth(UInt32 a_UniqueID, float a_FractionFilled)
  {
  	// No such packet here
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBossBarUpdateStyle(UInt32 a_UniqueID, BossBarColor a_Color, BossBarDivisionType a_DivisionType)
  {
  	// No such packet here
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendBossBarUpdateTitle(UInt32 a_UniqueID, const cCompositeChat & a_Title)
  {
  	// No such packet here
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendCameraSetTo(const cEntity & a_Entity)
  {
  	cPacketizer Pkt(*this, pktCameraSetTo);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendChat(const AString & a_Message, eChatType a_Type)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	SendChatRaw(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str()), a_Type);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendChat(const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	SendChatRaw(a_Message.CreateJsonString(a_ShouldUseChatPrefixes), a_Type);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendChatRaw(const AString & a_MessageRaw, eChatType a_Type)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	// Send the json string to the client:
  	cPacketizer Pkt(*this, pktChatRaw);
  	Pkt.WriteString(a_MessageRaw);
  	Pkt.WriteBEInt8(a_Type);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendChunkData(const ContiguousByteBufferView a_ChunkData)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cCSLock Lock(m_CSPacket);
  	m_Client->SendData(a_ChunkData);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendCollectEntity(const cEntity & a_Collected, const cEntity & a_Collector, unsigned a_Count)
  {
  	UNUSED(a_Count);
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktCollectEntity);
  	Pkt.WriteVarInt32(a_Collected.GetUniqueID());
  	Pkt.WriteVarInt32(a_Collector.GetUniqueID());
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendDestroyEntity(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	{
  		cPacketizer Pkt(*this, pktDestroyEntity);
  		Pkt.WriteVarInt32(1);
  		Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	}
  
  	if (!a_Entity.IsMob())
  	{
  		return;
  	}
  
  	const auto & Mob = static_cast<const cMonster &>(a_Entity);
  	if ((Mob.GetMobType() == mtEnderDragon) || (Mob.GetMobType() == mtWither))
  	{
  		SendBossBarRemove(Mob.GetUniqueID());
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktAttachEntity);
  	Pkt.WriteBEUInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEUInt32(0);
  	Pkt.WriteBool(false);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendDisconnect(const AString & a_Reason)
  {
  	switch (m_State)
  	{
  		case State::Login:
  		{
  			cPacketizer Pkt(*this, pktDisconnectDuringLogin);
  			Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str()));
  			break;
  		}
  		case State::Game:
  		{
  			cPacketizer Pkt(*this, pktDisconnectDuringGame);
  			Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str()));
  			break;
  		}
  		default:
  		{
  			FLOGERROR(
  				"Tried to send disconnect in invalid game state {0}",
  				static_cast<int>(m_State)
  			);
  		}
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEditSign);
  	Pkt.WriteXYZPosition64(a_BlockX, a_BlockY, a_BlockZ);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityAnimation(const cEntity & a_Entity, const EntityAnimation a_Animation)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	if (a_Animation == EntityAnimation::PlayerEntersBed)
  	{
  		ASSERT(a_Entity.IsPlayer());
  		const auto BedPosition = static_cast<const cPlayer &>(a_Entity).GetLastBedPos();
  
  		cPacketizer Pkt(*this, pktUseBed);
  		Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  		Pkt.WriteXYZPosition64(BedPosition.x, BedPosition.y, BedPosition.z);
  		return;
  	}
  
  	if (const auto AnimationID = GetProtocolEntityAnimation(a_Animation); AnimationID != static_cast<unsigned char>(-1))
  	{
  		cPacketizer Pkt(*this, pktEntityAnimation);
  		Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  		Pkt.WriteBEUInt8(AnimationID);
  		return;
  	}
  
  	if (const auto StatusID = GetProtocolEntityStatus(a_Animation); StatusID != -1)
  	{
  		cPacketizer Pkt(*this, pktEntityStatus);
  		Pkt.WriteBEUInt32(a_Entity.GetUniqueID());
  		Pkt.WriteBEInt8(StatusID);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, int a_Duration)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEntityEffect);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID));
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Amplifier));
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Duration));
  	Pkt.WriteBool(false);  // Hide particles
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEntityEquipment);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEInt16(a_SlotNum);
  	WriteItem(Pkt, a_Item);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityHeadLook(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEntityHeadLook);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	Pkt.WriteByteAngle(a_Entity.GetHeadYaw());
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityLook(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEntityLook);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	Pkt.WriteByteAngle(a_Entity.GetYaw());
  	Pkt.WriteByteAngle(a_Entity.GetPitch());
  	Pkt.WriteBool(a_Entity.IsOnGround());
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityMetadata(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEntityMeta);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	WriteEntityMetadata(Pkt, a_Entity);
  	Pkt.WriteBEUInt8(0x7f);  // The termination byte
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityPosition(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	const auto Delta = (a_Entity.GetPosition() - a_Entity.GetLastSentPosition()) * 32;
  
  	// Limitations of a byte
  	static const auto Max = std::numeric_limits<Int8>::max();
  
  	if ((std::abs(Delta.x) <= Max) && (std::abs(Delta.y) <= Max) && (std::abs(Delta.z) <= Max))
  	{
  		const auto Move = static_cast<Vector3<Int8>>(Delta);
  
  		// Difference within limitations, use a relative move packet
  		if (a_Entity.IsOrientationDirty())
  		{
  			cPacketizer Pkt(*this, pktEntityRelMoveLook);
  			Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  			Pkt.WriteBEInt8(Move.x);
  			Pkt.WriteBEInt8(Move.y);
  			Pkt.WriteBEInt8(Move.z);
  			Pkt.WriteByteAngle(a_Entity.GetYaw());
  			Pkt.WriteByteAngle(a_Entity.GetPitch());
  			Pkt.WriteBool(a_Entity.IsOnGround());
  		}
  		else
  		{
  			cPacketizer Pkt(*this, pktEntityRelMove);
  			Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  			Pkt.WriteBEInt8(Move.x);
  			Pkt.WriteBEInt8(Move.y);
  			Pkt.WriteBEInt8(Move.z);
  			Pkt.WriteBool(a_Entity.IsOnGround());
  		}
  
  		return;
  	}
  
  	// Too big a movement, do a teleport
  	SendEntityTeleport(a_Entity);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityProperties(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEntityProperties);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	WriteEntityProperties(Pkt, a_Entity);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityVelocity(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktEntityVelocity);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	// 400 = 8000 / 20 ... Conversion from our speed in m / s to 8000 m / tick
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedX() * 400));
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedY() * 400));
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedZ() * 400));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendExperience(void)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktExperience);
  	cPlayer * Player = m_Client->GetPlayer();
  	Pkt.WriteBEFloat(Player->GetXpPercentage());
  	Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetXpLevel()));
  	Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetCurrentXp()));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendExperienceOrb(const cExpOrb & a_ExpOrb)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktSpawnExperienceOrb);
  	Pkt.WriteVarInt32(a_ExpOrb.GetUniqueID());
  	Pkt.WriteFPInt(a_ExpOrb.GetPosX());
  	Pkt.WriteFPInt(a_ExpOrb.GetPosY());
  	Pkt.WriteFPInt(a_ExpOrb.GetPosZ());
  	Pkt.WriteBEInt16(static_cast<Int16>(a_ExpOrb.GetReward()));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendExplosion(const Vector3f a_Position, const float a_Power)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktExplosion);
  	Pkt.WriteBEFloat(a_Position.x);
  	Pkt.WriteBEFloat(a_Position.y);
  	Pkt.WriteBEFloat(a_Position.z);
  	Pkt.WriteBEFloat(a_Power);
  	Pkt.WriteBEUInt32(0);
  	Pkt.WriteBEFloat(0);
  	Pkt.WriteBEFloat(0);
  	Pkt.WriteBEFloat(0);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendGameMode(eGameMode a_GameMode)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktGameMode);
  	Pkt.WriteBEUInt8(3);  // Reason: Change game mode
  	Pkt.WriteBEFloat(static_cast<float>(a_GameMode));  // The protocol really represents the value with a float!
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendHealth(void)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktUpdateHealth);
  	cPlayer * Player = m_Client->GetPlayer();
  	Pkt.WriteBEFloat(static_cast<float>(Player->GetHealth()));
  	Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetFoodLevel()));
  	Pkt.WriteBEFloat(static_cast<float>(Player->GetFoodSaturationLevel()));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendHeldItemChange(int a_ItemIndex)
  {
  	ASSERT((a_ItemIndex >= 0) && (a_ItemIndex <= 8));  // Valid check
  
  	cPacketizer Pkt(*this, pktHeldItemChange);
  	Pkt.WriteBEInt8(static_cast<Int8>(a_ItemIndex));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendHideTitle(void)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktTitle);
  	Pkt.WriteVarInt32(3);  // Hide title
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktInventorySlot);
  	Pkt.WriteBEInt8(a_WindowID);
  	Pkt.WriteBEInt16(a_SlotNum);
  	WriteItem(Pkt, a_Item);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendKeepAlive(UInt32 a_PingID)
  {
  	// Drop the packet if the protocol is not in the Game state yet (caused a client crash):
  	if (m_State != 3)
  	{
  		LOGWARNING("Trying to send a KeepAlive packet to a player who's not yet fully logged in (%d). The protocol class prevented the packet.", m_State);
  		return;
  	}
  
  	cPacketizer Pkt(*this, pktKeepAlive);
  	Pkt.WriteVarInt32(a_PingID);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendLeashEntity(const cEntity & a_Entity, const cEntity & a_EntityLeashedTo)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktLeashEntity);
  	Pkt.WriteBEUInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEUInt32(a_EntityLeashedTo.GetUniqueID());
  	Pkt.WriteBool(true);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendUnleashEntity(const cEntity & a_Entity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktLeashEntity);
  	Pkt.WriteBEUInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEInt32(-1);
  	Pkt.WriteBool(true);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
  {
  	// Send the Join Game packet:
  	{
  		cServer * Server = cRoot::Get()->GetServer();
  		cPacketizer Pkt(*this, pktJoinGame);
  		Pkt.WriteBEUInt32(a_Player.GetUniqueID());
  		Pkt.WriteBEUInt8(static_cast<UInt8>(a_Player.GetEffectiveGameMode()) | (Server->IsHardcore() ? 0x08 : 0));  // Hardcore flag bit 4
  		Pkt.WriteBEInt8(static_cast<Int8>(a_World.GetDimension()));
  		Pkt.WriteBEUInt8(2);  // TODO: Difficulty (set to Normal)
  		Pkt.WriteBEUInt8(static_cast<UInt8>(Clamp<size_t>(Server->GetMaxPlayers(), 0, 255)));
  		Pkt.WriteString("default");  // Level type - wtf?
  		Pkt.WriteBool(false);  // Reduced Debug Info - wtf?
  	}
  
  	// Send the spawn position:
  	{
  		cPacketizer Pkt(*this, pktSpawnPosition);
  		Pkt.WriteXYZPosition64(a_World.GetSpawnX(), a_World.GetSpawnY(), a_World.GetSpawnZ());
  	}
  
  	// Send the server difficulty:
  	{
  		cPacketizer Pkt(*this, pktDifficulty);
  		Pkt.WriteBEInt8(1);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendLoginSuccess(void)
  {
  	ASSERT(m_State == 2);  // State: login?
  
  	// Enable compression:
  	{
  		cPacketizer Pkt(*this, pktStartCompression);
  		Pkt.WriteVarInt32(CompressionThreshold);
  	}
  
  	m_State = State::Game;
  
  	{
  		cPacketizer Pkt(*this, pktLoginSuccess);
  		Pkt.WriteString(m_Client->GetUUID().ToLongString());
  		Pkt.WriteString(m_Client->GetUsername());
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPaintingSpawn(const cPainting & a_Painting)
  {
  	ASSERT(m_State == 3);  // In game mode?
  	double PosX = a_Painting.GetPosX();
  	double PosY = a_Painting.GetPosY();
  	double PosZ = a_Painting.GetPosZ();
  
  	cPacketizer Pkt(*this, pktSpawnPainting);
  	Pkt.WriteVarInt32(a_Painting.GetUniqueID());
  	Pkt.WriteString(a_Painting.GetName());
  	Pkt.WriteXYZPosition64(static_cast<Int32>(PosX), static_cast<Int32>(PosY), static_cast<Int32>(PosZ));
  	Pkt.WriteBEInt8(static_cast<Int8>(a_Painting.GetProtocolFacing()));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendMapData(const cMap & a_Map, int a_DataStartX, int a_DataStartY)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktMapData);
  	Pkt.WriteVarInt32(a_Map.GetID());
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Map.GetScale()));
  
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetDecorators().size()));
  	for (const auto & Decorator : a_Map.GetDecorators())
  	{
  		Pkt.WriteBEUInt8(static_cast<Byte>((static_cast<Int32>(Decorator.GetType()) << 4) | (Decorator.GetRot() & 0xF)));
  		Pkt.WriteBEUInt8(static_cast<UInt8>(Decorator.GetPixelX()));
  		Pkt.WriteBEUInt8(static_cast<UInt8>(Decorator.GetPixelZ()));
  	}
  
  	Pkt.WriteBEUInt8(128);
  	Pkt.WriteBEUInt8(128);
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_DataStartX));
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_DataStartY));
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetData().size()));
  	for (auto itr = a_Map.GetData().cbegin(); itr != a_Map.GetData().cend(); ++itr)
  	{
  		Pkt.WriteBEUInt8(*itr);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerAbilities(void)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerAbilities);
  	Byte Flags = 0;
  	cPlayer * Player = m_Client->GetPlayer();
  	if (Player->IsGameModeCreative())
  	{
  		Flags |= 0x01;
  		Flags |= 0x08;  // Godmode, used for creative
  	}
  	if (Player->IsFlying())
  	{
  		Flags |= 0x02;
  	}
  	if (Player->CanFly())
  	{
  		Flags |= 0x04;
  	}
  	Pkt.WriteBEUInt8(Flags);
  	Pkt.WriteBEFloat(static_cast<float>(0.05 * Player->GetFlyingMaxSpeed()));
  	Pkt.WriteBEFloat(static_cast<float>(0.1 * Player->GetNormalMaxSpeed()));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendParticleEffect(const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmount)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktParticleEffect);
  	Pkt.WriteBEInt32(GetProtocolParticleID(a_ParticleName));
  	Pkt.WriteBool(false);
  	Pkt.WriteBEFloat(a_SrcX);
  	Pkt.WriteBEFloat(a_SrcY);
  	Pkt.WriteBEFloat(a_SrcZ);
  	Pkt.WriteBEFloat(a_OffsetX);
  	Pkt.WriteBEFloat(a_OffsetY);
  	Pkt.WriteBEFloat(a_OffsetZ);
  	Pkt.WriteBEFloat(a_ParticleData);
  	Pkt.WriteBEInt32(a_ParticleAmount);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendParticleEffect(const AString & a_ParticleName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	const auto ParticleID = GetProtocolParticleID(a_ParticleName);
  
  	cPacketizer Pkt(*this, pktParticleEffect);
  	Pkt.WriteBEInt32(ParticleID);
  	Pkt.WriteBool(false);
  	Pkt.WriteBEFloat(a_Src.x);
  	Pkt.WriteBEFloat(a_Src.y);
  	Pkt.WriteBEFloat(a_Src.z);
  	Pkt.WriteBEFloat(a_Offset.x);
  	Pkt.WriteBEFloat(a_Offset.y);
  	Pkt.WriteBEFloat(a_Offset.z);
  	Pkt.WriteBEFloat(a_ParticleData);
  	Pkt.WriteBEInt32(a_ParticleAmount);
  
  	switch (ParticleID)
  	{
  		// iconcrack
  		case 36:
  		{
  			Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[0]));
  			Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[1]));
  			break;
  		}
  		// blockcrack
  		// blockdust
  		case 37:
  		case 38:
  		{
  			Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[0]));
  			break;
  		}
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerListAddPlayer(const cPlayer & a_Player)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerList);
  	Pkt.WriteVarInt32(0);
  	Pkt.WriteVarInt32(1);
  	Pkt.WriteUUID(a_Player.GetUUID());
  	Pkt.WriteString(a_Player.GetPlayerListName());
  
  	const Json::Value & Properties = a_Player.GetClientHandle()->GetProperties();
  	Pkt.WriteVarInt32(Properties.size());
  	for (auto & Node : Properties)
  	{
  		Pkt.WriteString(Node.get("name", "").asString());
  		Pkt.WriteString(Node.get("value", "").asString());
  		AString Signature = Node.get("signature", "").asString();
  		if (Signature.empty())
  		{
  			Pkt.WriteBool(false);
  		}
  		else
  		{
  			Pkt.WriteBool(true);
  			Pkt.WriteString(Signature);
  		}
  	}
  
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetEffectiveGameMode()));
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetClientHandle()->GetPing()));
  	Pkt.WriteBool(false);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerListHeaderFooter(const cCompositeChat & a_Header, const cCompositeChat & a_Footer)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerListHeaderFooter);
  	Pkt.WriteString(a_Header.CreateJsonString(false));
  	Pkt.WriteString(a_Footer.CreateJsonString(false));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerListRemovePlayer(const cPlayer & a_Player)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerList);
  	Pkt.WriteVarInt32(4);
  	Pkt.WriteVarInt32(1);
  	Pkt.WriteUUID(a_Player.GetUUID());
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerList);
  	Pkt.WriteVarInt32(3);
  	Pkt.WriteVarInt32(1);
  	Pkt.WriteUUID(a_Player.GetUUID());
  
  	if (a_CustomName.empty())
  	{
  		Pkt.WriteBool(false);
  	}
  	else
  	{
  		Pkt.WriteBool(true);
  		Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_CustomName.c_str()));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerListUpdateGameMode(const cPlayer & a_Player)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerList);
  	Pkt.WriteVarInt32(1);
  	Pkt.WriteVarInt32(1);
  	Pkt.WriteUUID(a_Player.GetUUID());
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetEffectiveGameMode()));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerListUpdatePing()
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerList);
  	Pkt.WriteVarInt32(2);
  
  	const auto World = m_Client->GetPlayer()->GetWorld();
  	Pkt.WriteVarInt32(static_cast<UInt32>(World->GetPlayerCount()));
  	World->ForEachPlayer([&Pkt](cPlayer & a_Player)
  	{
  		Pkt.WriteUUID(a_Player.GetUUID());
  		Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetClientHandle()->GetPing()));
  		return false;
  	});
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerMoveLook(void)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPlayerMoveLook);
  	cPlayer * Player = m_Client->GetPlayer();
  	Pkt.WriteBEDouble(Player->GetPosX());
  	Pkt.WriteBEDouble(Player->GetPosY());
  	Pkt.WriteBEDouble(Player->GetPosZ());
  	Pkt.WriteBEFloat(static_cast<float>(Player->GetYaw()));
  	Pkt.WriteBEFloat(static_cast<float>(Player->GetPitch()));
  	Pkt.WriteBEUInt8(0);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerPosition(void)
  {
  	// There is no dedicated packet for this, send the whole thing:
  	SendPlayerMoveLook();
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPlayerSpawn(const cPlayer & a_Player)
  {
  	// Called to spawn another player for the client
  	cPacketizer Pkt(*this, pktSpawnOtherPlayer);
  	Pkt.WriteVarInt32(a_Player.GetUniqueID());
  	Pkt.WriteUUID(a_Player.GetUUID());
  	Vector3d LastSentPos = a_Player.GetLastSentPosition();
  	Pkt.WriteFPInt(LastSentPos.x);
  	Pkt.WriteFPInt(LastSentPos.y + 0.001);  // The "+ 0.001" is there because otherwise the player falls through the block they were standing on.
  	Pkt.WriteFPInt(LastSentPos.z);
  	Pkt.WriteByteAngle(a_Player.GetYaw());
  	Pkt.WriteByteAngle(a_Player.GetPitch());
  	Pkt.WriteBEInt16(a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType);
  	WriteEntityMetadata(Pkt, a_Player);
  	Pkt.WriteBEUInt8(0x7f);  // Metadata: end
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPluginMessage(const AString & a_Channel, const ContiguousByteBufferView a_Message)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktPluginMessage);
  	Pkt.WriteString(a_Channel);
  	Pkt.WriteBuf(a_Message);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktRemoveEntityEffect);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendResetTitle(void)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktTitle);
  	Pkt.WriteVarInt32(4);  // Reset title
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendResourcePack(const AString & a_ResourcePackUrl)
  {
  	cPacketizer Pkt(*this, pktResourcePack);
  
  	cSha1Checksum Checksum;
  	Checksum.Update(reinterpret_cast<const Byte *>(a_ResourcePackUrl.c_str()), a_ResourcePackUrl.size());
  	Byte Digest[20];
  	Checksum.Finalize(Digest);
  	AString Sha1Output;
  	cSha1Checksum::DigestToHex(Digest, Sha1Output);
  
  	Pkt.WriteString(a_ResourcePackUrl);
  	Pkt.WriteString(Sha1Output);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendRespawn(eDimension a_Dimension)
  {
  	cPacketizer Pkt(*this, pktRespawn);
  	cPlayer * Player = m_Client->GetPlayer();
  	Pkt.WriteBEInt32(static_cast<Int32>(a_Dimension));
  	Pkt.WriteBEUInt8(2);  // TODO: Difficulty (set to Normal)
  	Pkt.WriteBEUInt8(static_cast<Byte>(Player->GetEffectiveGameMode()));
  	Pkt.WriteString("default");
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktScoreboardObjective);
  	Pkt.WriteString(a_Name);
  	Pkt.WriteBEUInt8(a_Mode);
  	if ((a_Mode == 0) || (a_Mode == 2))
  	{
  		Pkt.WriteString(a_DisplayName);
  		Pkt.WriteString("integer");
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktUpdateScore);
  	Pkt.WriteString(a_Player);
  	Pkt.WriteBEUInt8(a_Mode);
  	Pkt.WriteString(a_Objective);
  
  	if (a_Mode != 1)
  	{
  		Pkt.WriteVarInt32(static_cast<UInt32>(a_Score));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktDisplayObjective);
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Display));
  	Pkt.WriteString(a_Objective);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSetSubTitle(const cCompositeChat & a_SubTitle)
  {
  	SendSetRawSubTitle(a_SubTitle.CreateJsonString(false));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSetRawSubTitle(const AString & a_SubTitle)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktTitle);
  	Pkt.WriteVarInt32(1);  // Set subtitle
  	Pkt.WriteString(a_SubTitle);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSetTitle(const cCompositeChat & a_Title)
  {
  	SendSetRawTitle(a_Title.CreateJsonString(false));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSetRawTitle(const AString & a_Title)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktTitle);
  	Pkt.WriteVarInt32(0);  // Set title
  	Pkt.WriteString(a_Title);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktSoundEffect);
  	Pkt.WriteString(a_SoundName);
  	Pkt.WriteBEInt32(static_cast<Int32>(a_X * 8.0));
  	Pkt.WriteBEInt32(static_cast<Int32>(a_Y * 8.0));
  	Pkt.WriteBEInt32(static_cast<Int32>(a_Z * 8.0));
  	Pkt.WriteBEFloat(a_Volume);
  	Pkt.WriteBEUInt8(static_cast<Byte>(a_Pitch * 63));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSoundParticleEffect(const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktSoundParticleEffect);
  	Pkt.WriteBEInt32(static_cast<int>(a_EffectID));
  	Pkt.WriteXYZPosition64(a_SrcX, a_SrcY, a_SrcZ);
  	Pkt.WriteBEInt32(a_Data);
  	Pkt.WriteBool(false);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSpawnEntity(const cEntity & a_Entity)
  {
  	Int32 EntityData = /* Default: velocity present flag */ 1;
  	const auto EntityType = GetProtocolEntityType(a_Entity);
  
  	if (a_Entity.IsMinecart())
  	{
  		const auto & Cart = static_cast<const cMinecart &>(a_Entity);
  		EntityData = static_cast<Int32>(Cart.GetPayload());
  	}
  	else if (a_Entity.IsItemFrame())
  	{
  		const auto & Frame = static_cast<const cItemFrame &>(a_Entity);
  		EntityData = static_cast<Int32>(Frame.GetProtocolFacing());
  	}
  	else if (a_Entity.IsFallingBlock())
  	{
  		const auto & Block = static_cast<const cFallingBlock &>(a_Entity);
  		EntityData = Block.GetBlockType() | (static_cast<Int32>(Block.GetBlockMeta()) << 12);
  	}
  	else if (a_Entity.IsFloater())
  	{
  		const auto & Floater = static_cast<const cFloater &>(a_Entity);
  		EntityData = static_cast<Int32>(Floater.GetOwnerID());
  	}
  	else if (a_Entity.IsProjectile())
  	{
  		using PType = cProjectileEntity::eKind;
  		const auto & Projectile = static_cast<const cProjectileEntity &>(a_Entity);
  
  		if (Projectile.GetProjectileKind() == PType::pkArrow)
  		{
  			const auto & Arrow = static_cast<const cArrowEntity &>(Projectile);
  			EntityData = static_cast<Int32>(Arrow.GetCreatorUniqueID() + 1);
  		}
  	}
  
  	SendEntitySpawn(a_Entity, EntityType, EntityData);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendSpawnMob(const cMonster & a_Mob)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	const auto MobType = GetProtocolMobType(a_Mob.GetMobType());
  
  	// If the type is not valid in this protocol bail out:
  	if (MobType == 0)
  	{
  		return;
  	}
  
  	cPacketizer Pkt(*this, pktSpawnMob);
  	Pkt.WriteVarInt32(a_Mob.GetUniqueID());
  	Pkt.WriteBEUInt8(static_cast<Byte>(MobType));
  	Vector3d LastSentPos = a_Mob.GetLastSentPosition();
  	Pkt.WriteFPInt(LastSentPos.x);
  	Pkt.WriteFPInt(LastSentPos.y);
  	Pkt.WriteFPInt(LastSentPos.z);
  	Pkt.WriteByteAngle(a_Mob.GetHeadYaw());  // Doesn't seem to be used
  	Pkt.WriteByteAngle(a_Mob.GetPitch());
  	Pkt.WriteByteAngle(a_Mob.GetYaw());
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedX() * 400));
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedY() * 400));
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedZ() * 400));
  	WriteEntityMetadata(Pkt, a_Mob);
  	Pkt.WriteBEUInt8(0x7f);  // Metadata terminator
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendStatistics(const StatisticsManager & a_Manager)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktStatistics);
  
  	// No need to check Size != 0.
  	// Assume that the vast majority of the time there's at least one statistic to send:
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Manager.Custom.size()));
  
  	for (const auto & [Statistic, Value] : a_Manager.Custom)
  	{
  		Pkt.WriteString(GetProtocolStatisticName(Statistic));
  		Pkt.WriteVarInt32(static_cast<UInt32>(Value));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendTabCompletionResults(const AStringVector & a_Results)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktTabCompletionResults);
  	Pkt.WriteVarInt32(static_cast<UInt32>(a_Results.size()));
  
  	for (AStringVector::const_iterator itr = a_Results.begin(), end = a_Results.end(); itr != end; ++itr)
  	{
  		Pkt.WriteString(*itr);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktSpawnGlobalEntity);
  	Pkt.WriteVarInt32(0);  // EntityID = 0, always
  	Pkt.WriteBEUInt8(1);  // Type = Thunderbolt
  	Pkt.WriteFPInt(a_BlockX);
  	Pkt.WriteFPInt(a_BlockY);
  	Pkt.WriteFPInt(a_BlockZ);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktTitle);
  	Pkt.WriteVarInt32(2);  // Set title display times
  	Pkt.WriteBEInt32(a_FadeInTicks);
  	Pkt.WriteBEInt32(a_DisplayTicks);
  	Pkt.WriteBEInt32(a_FadeOutTicks);
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendTimeUpdate(const cTickTimeLong a_WorldAge, const cTickTimeLong a_WorldDate, const bool a_DoDaylightCycle)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktTimeUpdate);
  	Pkt.WriteBEInt64(a_WorldAge.count());
  
  	if (a_DoDaylightCycle)
  	{
  		Pkt.WriteBEInt64(a_WorldDate.count());
  	}
  	else
  	{
  		// Negating the date stops time from advancing on the client
  		// (the std::min construction is to handle the case where the date is exactly zero):
  		Pkt.WriteBEInt64(std::min(-a_WorldDate.count(), -1LL));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktUnloadChunk);
  	Pkt.WriteBEInt32(a_ChunkX);
  	Pkt.WriteBEInt32(a_ChunkZ);
  	Pkt.WriteBool(true);
  	Pkt.WriteBEInt16(0);  // Primary bitmap
  	Pkt.WriteVarInt32(0);  // Data size
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	Byte Action;
  	switch (a_BlockEntity.GetBlockType())
  	{
  		case E_BLOCK_CHEST:
  		case E_BLOCK_ENCHANTMENT_TABLE:
  		case E_BLOCK_END_PORTAL:
  		case E_BLOCK_TRAPPED_CHEST:
  		{
  			// The ones with a action of 0 is just a workaround to send the block entities to a client.
  			// Todo: 18.09.2020 - remove this when block entities are transmitted in the ChunkData packet - 12xx12
  			Action = 0;
  			break;
  		}
  
  		case E_BLOCK_MOB_SPAWNER:       Action = 1;  break;  // Update mob spawner spinny mob thing
  		case E_BLOCK_COMMAND_BLOCK:     Action = 2;  break;  // Update command block text
  		case E_BLOCK_BEACON:            Action = 3;  break;  // Update beacon entity
  		case E_BLOCK_HEAD:              Action = 4;  break;  // Update mobhead entity
  		case E_BLOCK_FLOWER_POT:        Action = 5;  break;  // Update flower pot
  		case E_BLOCK_WALL_BANNER:
  		case E_BLOCK_STANDING_BANNER:   Action = 6;  break;  // Update banner
  
  		default: return;  // Block entities change between versions
  	}
  
  	cPacketizer Pkt(*this, pktUpdateBlockEntity);
  	Pkt.WriteXYZPosition64(a_BlockEntity.GetPosX(), a_BlockEntity.GetPosY(), a_BlockEntity.GetPosZ());
  	Pkt.WriteBEUInt8(Action);
  
  	cFastNBTWriter Writer;
  	WriteBlockEntity(Writer, a_BlockEntity);
  	Writer.Finish();
  	Pkt.WriteBuf(Writer.GetResult());
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktUpdateSign);
  	Pkt.WriteXYZPosition64(a_BlockX, a_BlockY, a_BlockZ);
  
  	AString Lines[] = { a_Line1, a_Line2, a_Line3, a_Line4 };
  	for (size_t i = 0; i < ARRAYCOUNT(Lines); i++)
  	{
  		Json::Value RootValue;
  		RootValue["text"] = Lines[i];
  		Pkt.WriteString(JsonUtils::WriteFastString(RootValue));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendUnlockRecipe(UInt32 a_RecipeID)
  {
  	// Client doesn't support this feature
  	return;
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendInitRecipes(UInt32 a_RecipeID)
  {
  	// Client doesn't support this feature
  	return;
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendWeather(eWeather a_Weather)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	{
  		cPacketizer Pkt(*this, pktWeather);
  		Pkt.WriteBEUInt8((a_Weather == wSunny) ? 1 : 2);  // End rain / begin rain
  		Pkt.WriteBEFloat(0);  // Unused for weather
  	}
  
  	// TODO: Fade effect, somehow
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendWholeInventory(const cWindow & a_Window)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktWindowItems);
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Window.GetWindowID()));
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Window.GetNumSlots()));
  	cItems Slots;
  	a_Window.GetSlots(*(m_Client->GetPlayer()), Slots);
  	for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr)
  	{
  		WriteItem(Pkt, *itr);
  	}  // for itr - Slots[]
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendWindowClose(const cWindow & a_Window)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktWindowClose);
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Window.GetWindowID()));
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendWindowOpen(const cWindow & a_Window)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	if (a_Window.GetWindowType() < 0)
  	{
  		// Do not send this packet for player inventory windows
  		return;
  	}
  
  	cPacketizer Pkt(*this, pktWindowOpen);
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Window.GetWindowID()));
  	Pkt.WriteString(a_Window.GetWindowTypeName());
  	Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_Window.GetWindowTitle().c_str()));
  
  	switch (a_Window.GetWindowType())
  	{
  		case cWindow::wtWorkbench:
  		case cWindow::wtEnchantment:
  		case cWindow::wtAnvil:
  		{
  			Pkt.WriteBEUInt8(0);
  			break;
  		}
  		default:
  		{
  			Pkt.WriteBEUInt8(static_cast<UInt8>(a_Window.GetNumNonInventorySlots()));
  			break;
  		}
  	}
  
  	if (a_Window.GetWindowType() == cWindow::wtAnimalChest)
  	{
  		UInt32 HorseID = static_cast<const cHorseWindow &>(a_Window).GetHorseID();
  		Pkt.WriteBEInt32(static_cast<Int32>(HorseID));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendWindowProperty(const cWindow & a_Window, size_t a_Property, short a_Value)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktWindowProperty);
  	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Window.GetWindowID()));
  	Pkt.WriteBEInt16(static_cast<Int16>(a_Property));
  	Pkt.WriteBEInt16(a_Value);
  }
  
  
  
  
  
  void cProtocol_1_8_0::CompressPacket(CircularBufferCompressor & a_Packet, ContiguousByteBuffer & a_CompressedData)
  {
  	const auto Uncompressed = a_Packet.GetView();
  
  	if (Uncompressed.size() < CompressionThreshold)
  	{
  		/* Size doesn't reach threshold, not worth compressing.
  
  		--------------- Packet format ----------------
  		|--- Header ---------------------------------|
  		| PacketSize: Size of all fields below       |
  		| DataSize: Zero, means below not compressed |
  		|--- Body -----------------------------------|
  		| a_Packet: copy of uncompressed data        |
  		----------------------------------------------
  		*/
  		const UInt32 DataSize = 0;
  		const auto PacketSize = static_cast<UInt32>(cByteBuffer::GetVarIntSize(DataSize) + Uncompressed.size());
  
  		cByteBuffer LengthHeaderBuffer(
  			cByteBuffer::GetVarIntSize(PacketSize) +
  			cByteBuffer::GetVarIntSize(DataSize)
  		);
  
  		LengthHeaderBuffer.WriteVarInt32(PacketSize);
  		LengthHeaderBuffer.WriteVarInt32(DataSize);
  
  		ContiguousByteBuffer LengthData;
  		LengthHeaderBuffer.ReadAll(LengthData);
  
  		a_CompressedData.reserve(LengthData.size() + Uncompressed.size());
  		a_CompressedData = LengthData;
  		a_CompressedData += Uncompressed;
  
  		return;
  	}
  
  	/* Definitely worth compressing.
  
  	--------------- Packet format ----------------
  	|--- Header ---------------------------------|
  	| PacketSize: Size of all fields below       |
  	| DataSize: Size of uncompressed a_Packet    |
  	|--- Body -----------------------------------|
  	| CompressedData: compressed a_Packet        |
  	----------------------------------------------
  	*/
  
  	const auto CompressedData = a_Packet.Compress();
  	const auto Compressed = CompressedData.GetView();
  
  	const UInt32 DataSize = static_cast<UInt32>(Uncompressed.size());
  	const auto PacketSize = static_cast<UInt32>(cByteBuffer::GetVarIntSize(DataSize) + Compressed.size());
  
  	cByteBuffer LengthHeaderBuffer(
  		cByteBuffer::GetVarIntSize(PacketSize) +
  		cByteBuffer::GetVarIntSize(DataSize)
  	);
  
  	LengthHeaderBuffer.WriteVarInt32(PacketSize);
  	LengthHeaderBuffer.WriteVarInt32(DataSize);
  
  	ContiguousByteBuffer LengthData;
  	LengthHeaderBuffer.ReadAll(LengthData);
  
  	a_CompressedData.reserve(LengthData.size() + Compressed.size());
  	a_CompressedData = LengthData;
  	a_CompressedData += Compressed;
  }
  
  
  
  
  
  eBlockFace cProtocol_1_8_0::FaceIntToBlockFace(const Int32 a_BlockFace)
  {
  	// Normalize the blockface values returned from the protocol
  	// Anything known gets mapped 1:1, everything else returns BLOCK_FACE_NONE
  	switch (a_BlockFace)
  	{
  		case BLOCK_FACE_XM: return BLOCK_FACE_XM;
  		case BLOCK_FACE_XP: return BLOCK_FACE_XP;
  		case BLOCK_FACE_YM: return BLOCK_FACE_YM;
  		case BLOCK_FACE_YP: return BLOCK_FACE_YP;
  		case BLOCK_FACE_ZM: return BLOCK_FACE_ZM;
  		case BLOCK_FACE_ZP: return BLOCK_FACE_ZP;
  		default: return BLOCK_FACE_NONE;
  	}
  }
  
  
  
  
  
  UInt32 cProtocol_1_8_0::GetPacketID(ePacketType a_PacketType) const
  {
  	switch (a_PacketType)
  	{
  		case pktAttachEntity:           return 0x1b;
  		case pktBlockAction:            return 0x24;
  		case pktBlockBreakAnim:         return 0x25;
  		case pktBlockChange:            return 0x23;
  		case pktBlockChanges:           return 0x22;
  		case pktCameraSetTo:            return 0x43;
  		case pktChatRaw:                return 0x02;
  		case pktCollectEntity:          return 0x0d;
  		case pktDestroyEntity:          return 0x13;
  		case pktDifficulty:             return 0x41;
  		case pktDisconnectDuringGame:   return 0x40;
  		case pktDisconnectDuringLogin:  return 0x00;
  		case pktDisplayObjective:       return 0x3d;
  		case pktEditSign:               return 0x36;
  		case pktEncryptionRequest:      return 0x01;
  		case pktEntityAnimation:        return 0x0b;
  		case pktEntityEffect:           return 0x1d;
  		case pktEntityEquipment:        return 0x04;
  		case pktEntityHeadLook:         return 0x19;
  		case pktEntityLook:             return 0x16;
  		case pktEntityMeta:             return 0x1c;
  		case pktEntityProperties:       return 0x20;
  		case pktEntityRelMove:          return 0x15;
  		case pktEntityRelMoveLook:      return 0x17;
  		case pktEntityStatus:           return 0x1a;
  		case pktEntityVelocity:         return 0x12;
  		case pktExperience:             return 0x1f;
  		case pktExplosion:              return 0x27;
  		case pktGameMode:               return 0x2b;
  		case pktHeldItemChange:         return 0x09;
  		case pktInventorySlot:          return 0x2f;
  		case pktJoinGame:               return 0x01;
  		case pktKeepAlive:              return 0x00;
  		case pktLeashEntity:            return 0x1b;
  		case pktLoginSuccess:           return 0x02;
  		case pktMapData:                return 0x34;
  		case pktParticleEffect:         return 0x2a;
  		case pktPingResponse:           return 0x01;
  		case pktPlayerAbilities:        return 0x39;
  		case pktPlayerList:             return 0x38;
  		case pktPlayerListHeaderFooter: return 0x47;
  		case pktPlayerMoveLook:         return 0x08;
  		case pktPluginMessage:          return 0x3f;
  		case pktRemoveEntityEffect:     return 0x1e;
  		case pktResourcePack:           return 0x48;
  		case pktRespawn:                return 0x07;
  		case pktScoreboardObjective:    return 0x3b;
  		case pktSoundEffect:            return 0x29;
  		case pktSoundParticleEffect:    return 0x28;
  		case pktSpawnExperienceOrb:     return 0x11;
  		case pktSpawnGlobalEntity:      return 0x2c;
  		case pktSpawnMob:               return 0x0f;
  		case pktSpawnObject:            return 0x0e;
  		case pktSpawnOtherPlayer:       return 0x0c;
  		case pktSpawnPainting:          return 0x10;
  		case pktSpawnPosition:          return 0x05;
  		case pktStartCompression:       return 0x03;
  		case pktStatistics:             return 0x37;
  		case pktStatusResponse:         return 0x00;
  		case pktTabCompletionResults:   return 0x3a;
  		case pktTeleportEntity:         return 0x18;
  		case pktTimeUpdate:             return 0x03;
  		case pktTitle:                  return 0x45;
  		case pktUnloadChunk:            return 0x21;
  		case pktUpdateBlockEntity:      return 0x35;
  		case pktUpdateHealth:           return 0x06;
  		case pktUpdateScore:            return 0x3c;
  		case pktUpdateSign:             return 0x33;
  		case pktUseBed:                 return 0x0a;
  		case pktWeather:                return 0x2b;
  		case pktWindowClose:            return 0x2e;
  		case pktWindowItems:            return 0x30;
  		case pktWindowOpen:             return 0x2d;
  		case pktWindowProperty:         return 0x31;
  		default:
  		{
  			LOG("Unhandled outgoing packet type: %s (0x%02x)", cPacketizer::PacketTypeToStr(a_PacketType), a_PacketType);
  			ASSERT(!"Unhandled outgoing packet type");
  			return 0;
  		}
  	}
  }
  
  
  
  
  
  unsigned char cProtocol_1_8_0::GetProtocolEntityAnimation(const EntityAnimation a_Animation) const
  {
  	switch (a_Animation)
  	{
  		case EntityAnimation::EntityGetsCriticalHit: return 4;
  		case EntityAnimation::EntityGetsMagicalCriticalHit: return 5;
  		case EntityAnimation::PlayerLeavesBed: return 2;
  		case EntityAnimation::PlayerMainHandSwings: return 0;
  		case EntityAnimation::PlayerOffHandSwings: return 0;
  		default: return static_cast<unsigned char>(-1);
  	}
  }
  
  
  
  
  
  signed char cProtocol_1_8_0::GetProtocolEntityStatus(const EntityAnimation a_Animation) const
  {
  	switch (a_Animation)
  	{
  		case EntityAnimation::AnimalFallsInLove: return 18;
  		case EntityAnimation::FireworkRocketExplodes: return 17;
  		case EntityAnimation::GuardianAttacks: return 21;
  		case EntityAnimation::HorseTamingFails: return 6;
  		case EntityAnimation::HorseTamingSucceeds: return 7;
  		case EntityAnimation::IronGolemAttacks: return 4;
  		case EntityAnimation::IronGolemOffersGift: return 11;
  		case EntityAnimation::MinecartSpawnerDelayResets: return 1;
  		case EntityAnimation::MinecartTNTIgnites: return 10;
  		case EntityAnimation::MobSpawns: return 20;
  		case EntityAnimation::OcelotTrusts: return 6;
  		case EntityAnimation::OcelotDistrusts: return 7;
  		case EntityAnimation::PawnBerryBushPricks: return 2;
  		case EntityAnimation::PawnBurns: return 2;
  		case EntityAnimation::PawnDies: return 3;
  		case EntityAnimation::PawnDrowns: return 2;
  		case EntityAnimation::PawnHurts: return 2;
  		case EntityAnimation::PawnThornsPricks: return 2;
  		case EntityAnimation::PlayerFinishesEating: return 9;
  		case EntityAnimation::RabbitJumps: return 1;
  		case EntityAnimation::SheepEatsGrass: return 10;
  		case EntityAnimation::VillagerKisses: return 12;
  		case EntityAnimation::VillagerShowsAnger: return 13;
  		case EntityAnimation::VillagerShowsHappiness: return 14;
  		case EntityAnimation::WitchMagicks: return 15;
  		case EntityAnimation::WolfShakesWater: return 8;
  		case EntityAnimation::WolfTamingFails: return 6;
  		case EntityAnimation::WolfTamingSucceeds: return 7;
  		case EntityAnimation::ZombieVillagerCureFinishes: return 16;
  		default: return -1;
  	}
  }
  
  
  
  
  
  UInt32 cProtocol_1_8_0::GetProtocolMobType(const eMonsterType a_MobType) const
  {
  	switch (a_MobType)
  	{
  		// Map invalid type to Giant for easy debugging (if this ever spawns, something has gone very wrong)
  		case mtInvalidType:           return 53;
  		case mtBat:                   return 65;
  		case mtBlaze:                 return 61;
  		case mtCaveSpider:            return 59;
  		case mtChicken:               return 93;
  		case mtCow:                   return 92;
  		case mtCreeper:               return 50;
  		case mtEnderDragon:           return 63;
  		case mtEnderman:              return 58;
  		case mtEndermite:             return 67;
  		case mtGhast:                 return 56;
  		case mtGiant:                 return 53;
  		case mtGuardian:              return 68;
  		case mtHorse:                 return 100;
  		case mtIronGolem:             return 99;
  		case mtMagmaCube:             return 62;
  		case mtMooshroom:             return 96;
  		case mtOcelot:                return 98;
  		case mtPig:                   return 90;
  		case mtRabbit:                return 101;
  		case mtSheep:                 return 91;
  		case mtSilverfish:            return 60;
  		case mtSkeleton:              return 51;
  		case mtSlime:                 return 55;
  		case mtSnowGolem:             return 97;
  		case mtSpider:                return 52;
  		case mtSquid:                 return 94;
  		case mtVillager:              return 120;
  		case mtWitch:                 return 66;
  		case mtWither:                return 64;
  		case mtWitherSkeleton:        return 51;
  		case mtWolf:                  return 95;
  		case mtZombie:                return 54;
  		case mtZombiePigman:          return 57;
  		case mtZombieVillager:        return 27;
  
  		// Mobs that get replaced with another because they were added later
  		case mtCat:                   return GetProtocolMobType(mtOcelot);
  		case mtDonkey:                return GetProtocolMobType(mtHorse);
  		case mtMule:                  return GetProtocolMobType(mtHorse);
  		case mtSkeletonHorse:         return GetProtocolMobType(mtHorse);
  		case mtZombieHorse:           return GetProtocolMobType(mtHorse);
  		case mtStray:                 return GetProtocolMobType(mtSkeleton);
  		case mtHusk:                  return GetProtocolMobType(mtZombie);
  
  		default:                      return 0;
  	}
  }
  
  
  
  
  
  cProtocol::Version cProtocol_1_8_0::GetProtocolVersion() const
  {
  	return Version::v1_8_0;
  }
  
  
  
  
  
  bool cProtocol_1_8_0::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType)
  {
  	switch (m_State)
  	{
  		case State::Status:
  		{
  			switch (a_PacketType)
  			{
  				case 0x00: HandlePacketStatusRequest(a_ByteBuffer); return true;
  				case 0x01: HandlePacketStatusPing   (a_ByteBuffer); return true;
  			}
  			break;
  		}
  
  		case State::Login:
  		{
  			switch (a_PacketType)
  			{
  				case 0x00: HandlePacketLoginStart             (a_ByteBuffer); return true;
  				case 0x01: HandlePacketLoginEncryptionResponse(a_ByteBuffer); return true;
  			}
  			break;
  		}
  
  		case State::Game:
  		{
  			switch (a_PacketType)
  			{
  				case 0x00: HandlePacketKeepAlive              (a_ByteBuffer); return true;
  				case 0x01: HandlePacketChatMessage            (a_ByteBuffer); return true;
  				case 0x02: HandlePacketUseEntity              (a_ByteBuffer); return true;
  				case 0x03: HandlePacketPlayer                 (a_ByteBuffer); return true;
  				case 0x04: HandlePacketPlayerPos              (a_ByteBuffer); return true;
  				case 0x05: HandlePacketPlayerLook             (a_ByteBuffer); return true;
  				case 0x06: HandlePacketPlayerPosLook          (a_ByteBuffer); return true;
  				case 0x07: HandlePacketBlockDig               (a_ByteBuffer); return true;
  				case 0x08: HandlePacketBlockPlace             (a_ByteBuffer); return true;
  				case 0x09: HandlePacketSlotSelect             (a_ByteBuffer); return true;
  				case 0x0a: HandlePacketAnimation              (a_ByteBuffer); return true;
  				case 0x0b: HandlePacketEntityAction           (a_ByteBuffer); return true;
  				case 0x0c: HandlePacketSteerVehicle           (a_ByteBuffer); return true;
  				case 0x0d: HandlePacketWindowClose            (a_ByteBuffer); return true;
  				case 0x0e: HandlePacketWindowClick            (a_ByteBuffer); return true;
  				case 0x0f:  // Confirm transaction - not used in MCS
  				case 0x10: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true;
  				case 0x11: HandlePacketEnchantItem            (a_ByteBuffer); return true;
  				case 0x12: HandlePacketUpdateSign             (a_ByteBuffer); return true;
  				case 0x13: HandlePacketPlayerAbilities        (a_ByteBuffer); return true;
  				case 0x14: HandlePacketTabComplete            (a_ByteBuffer); return true;
  				case 0x15: HandlePacketClientSettings         (a_ByteBuffer); return true;
  				case 0x16: HandlePacketClientStatus           (a_ByteBuffer); return true;
  				case 0x17: HandlePacketPluginMessage          (a_ByteBuffer); return true;
  				case 0x18: HandlePacketSpectate               (a_ByteBuffer); return true;
  				case 0x19: HandlePacketResourcePackStatus     (a_ByteBuffer); return true;
  			}
  			break;
  		}
  	}  // switch (m_State)
  
  	// Unknown packet type, report to the ClientHandle:
  	m_Client->PacketUnknown(a_PacketType);
  	return false;
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketStatusPing(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Timestamp);
  
  	cPacketizer Pkt(*this, pktPingResponse);
  	Pkt.WriteBEInt64(Timestamp);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
  {
  	cServer * Server = cRoot::Get()->GetServer();
  	AString ServerDescription = Server->GetDescription();
  	auto NumPlayers = static_cast<signed>(Server->GetNumPlayers());
  	auto MaxPlayers = static_cast<signed>(Server->GetMaxPlayers());
  	AString Favicon = Server->GetFaviconData();
  
  	cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
  
  	// Version:
  	Json::Value Version;
  	const auto ProtocolVersion = GetProtocolVersion();
  	Version["name"] = "Cuberite " + cMultiVersionProtocol::GetVersionTextFromInt(ProtocolVersion);
  	Version["protocol"] = static_cast<std::underlying_type_t<cProtocol::Version>>(ProtocolVersion);
  
  	// Players:
  	Json::Value Players;
  	Players["online"] = NumPlayers;
  	Players["max"] = MaxPlayers;
  	// TODO: Add "sample"
  
  	// Description:
  	Json::Value Description;
  	Description["text"] = std::move(ServerDescription);
  
  	// Create the response:
  	Json::Value ResponseValue;
  	ResponseValue["version"] = Version;
  	ResponseValue["players"] = Players;
  	ResponseValue["description"] = Description;
  	m_Client->ForgeAugmentServerListPing(ResponseValue);
  	if (!Favicon.empty())
  	{
  		ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
  	}
  
  	// Serialize the response into a packet:
  	cPacketizer Pkt(*this, pktStatusResponse);
  	Pkt.WriteString(JsonUtils::WriteFastString(ResponseValue));
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer)
  {
  	UInt32 EncKeyLength, EncNonceLength;
  	if (!a_ByteBuffer.ReadVarInt(EncKeyLength))
  	{
  		return;
  	}
  	ContiguousByteBuffer EncKey;
  	if (!a_ByteBuffer.ReadSome(EncKey, EncKeyLength))
  	{
  		return;
  	}
  	if (!a_ByteBuffer.ReadVarInt(EncNonceLength))
  	{
  		return;
  	}
  	ContiguousByteBuffer EncNonce;
  	if (!a_ByteBuffer.ReadSome(EncNonce, EncNonceLength))
  	{
  		return;
  	}
  	if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN))
  	{
  		LOGD("Too long encryption");
  		m_Client->Kick("Hacked client");
  		return;
  	}
  
  	// Decrypt EncNonce using privkey
  	cRsaPrivateKey & rsaDecryptor = cRoot::Get()->GetServer()->GetPrivateKey();
  	UInt32 DecryptedNonce[MAX_ENC_LEN / sizeof(Int32)];
  	int res = rsaDecryptor.Decrypt(EncNonce, reinterpret_cast<Byte *>(DecryptedNonce), sizeof(DecryptedNonce));
  	if (res != 4)
  	{
  		LOGD("Bad nonce length: got %d, exp %d", res, 4);
  		m_Client->Kick("Hacked client");
  		return;
  	}
  	if (ntohl(DecryptedNonce[0]) != static_cast<unsigned>(reinterpret_cast<uintptr_t>(this)))
  	{
  		LOGD("Bad nonce value");
  		m_Client->Kick("Hacked client");
  		return;
  	}
  
  	// Decrypt the symmetric encryption key using privkey:
  	Byte DecryptedKey[MAX_ENC_LEN];
  	res = rsaDecryptor.Decrypt(EncKey, DecryptedKey, sizeof(DecryptedKey));
  	if (res != 16)
  	{
  		LOGD("Bad key length");
  		m_Client->Kick("Hacked client");
  		return;
  	}
  
  	StartEncryption(DecryptedKey);
  	m_Client->HandleLogin();
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer)
  {
  	AString Username;
  	if (!a_ByteBuffer.ReadVarUTF8String(Username))
  	{
  		m_Client->Kick("Bad username");
  		return;
  	}
  
  	if (!m_Client->HandleHandshake(Username))
  	{
  		// The client is not welcome here, they have been sent a Kick packet already
  		return;
  	}
  
  	m_Client->SetUsername(std::move(Username));
  
  	// If auth is required, then send the encryption request:
  	if (const auto Server = cRoot::Get()->GetServer(); Server->ShouldAuthenticate())
  	{
  		cPacketizer Pkt(*this, pktEncryptionRequest);
  		Pkt.WriteString(Server->GetServerID());
  		const auto PubKeyDer = Server->GetPublicKeyDER();
  		Pkt.WriteVarInt32(static_cast<UInt32>(PubKeyDer.size()));
  		Pkt.WriteBuf(PubKeyDer);
  		Pkt.WriteVarInt32(4);
  		Pkt.WriteBEInt32(static_cast<int>(reinterpret_cast<intptr_t>(this)));  // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :)
  		return;
  	}
  
  	m_Client->HandleLogin();
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketAnimation(cByteBuffer & a_ByteBuffer)
  {
  	m_Client->HandleAnimation(true);  // Packet exists solely for arm-swing notification (main hand).
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Status);
  
  	int BlockX, BlockY, BlockZ;
  	if (!a_ByteBuffer.ReadXYZPosition64(BlockX, BlockY, BlockZ))
  	{
  		return;
  	}
  
  	HANDLE_READ(a_ByteBuffer, ReadBEInt8, Int8, Face);
  
  	m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), Status);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer)
  {
  	int BlockX, BlockY, BlockZ;
  	if (!a_ByteBuffer.ReadXYZPosition64(BlockX, BlockY, BlockZ))
  	{
  		return;
  	}
  
  	HANDLE_READ(a_ByteBuffer, ReadBEInt8, Int8, Face);
  
  	cItem Item;  // Ignored
  	ReadItem(a_ByteBuffer, Item, 3);
  
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorX);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorY);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorZ);
  
  	eBlockFace blockFace = FaceIntToBlockFace(Face);
  	if (blockFace == eBlockFace::BLOCK_FACE_NONE)
  	{
  		m_Client->HandleUseItem(true);
  	}
  	else
  	{
  		m_Client->HandleRightClick(BlockX, BlockY, BlockZ, blockFace, CursorX, CursorY, CursorZ, true);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketChatMessage(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Message);
  
  	m_Client->HandleChat(Message);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketClientSettings(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Locale);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8,       UInt8,   ViewDistance);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8,       UInt8,   ChatFlags);
  	HANDLE_READ(a_ByteBuffer, ReadBool,          bool,    ChatColors);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8,       UInt8,   SkinParts);
  
  	m_Client->SetLocale(Locale);
  	m_Client->SetViewDistance(ViewDistance);
  	m_Client->GetPlayer()->SetSkinParts(SkinParts);
  	// TODO: Handle chat flags and chat colors
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketClientStatus(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, ActionID);
  
  	switch (ActionID)
  	{
  		case 0:
  		{
  			// Respawn
  			m_Client->HandleRespawn();
  			break;
  		}
  		case 1:
  		{
  			// Request stats
  			SendStatistics(m_Client->GetPlayer()->GetStatistics());
  			break;
  		}
  		case 2:
  		{
  			// Open Inventory achievement
  			m_Client->GetPlayer()->AwardAchievement(CustomStatistic::AchOpenInventory);
  			break;
  		}
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum);
  
  	cItem Item;
  	if (!ReadItem(a_ByteBuffer, Item))
  	{
  		return;
  	}
  	m_Client->HandleCreativeInventory(SlotNum, Item, (SlotNum == -1) ? caLeftClickOutside : caLeftClick);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketEntityAction(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarInt,  UInt32, PlayerID);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8,  Action);
  	HANDLE_READ(a_ByteBuffer, ReadVarInt,  UInt32, JumpBoost);
  
  	if (PlayerID != m_Client->GetPlayer()->GetUniqueID())
  	{
  		m_Client->Kick("Mind your own business! Hacked client?");
  		return;
  	}
  
  	switch (Action)
  	{
  		case 0: return m_Client->HandleCrouch(true);
  		case 1: return m_Client->HandleCrouch(false);
  		case 2: return m_Client->HandleLeaveBed();
  		case 3: return m_Client->HandleSprint(true);
  		case 4: return m_Client->HandleSprint(false);
  		case 6: return m_Client->HandleOpenHorseInventory();
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketKeepAlive(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, KeepAliveID);
  
  	m_Client->HandleKeepAlive(KeepAliveID);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketPlayer(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround);
  	// TODO: m_Client->HandlePlayerOnGround(IsOnGround);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketPlayerAbilities(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Flags);
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, FlyingSpeed);
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, WalkingSpeed);
  
  	// COnvert the bitfield into individual boolean flags:
  	bool IsFlying = false;
  	if ((Flags & 2) != 0)
  	{
  		IsFlying = true;
  	}
  
  	m_Client->HandlePlayerAbilities(IsFlying, FlyingSpeed, WalkingSpeed);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketPlayerLook(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Yaw);
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Pitch);
  	HANDLE_READ(a_ByteBuffer, ReadBool,    bool,  IsOnGround);
  
  	m_Client->HandlePlayerLook(Yaw, Pitch, IsOnGround);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketPlayerPos(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX);
  	HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY);
  	HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ);
  	HANDLE_READ(a_ByteBuffer, ReadBool,     bool,   IsOnGround);
  
  	m_Client->HandlePlayerMove(PosX, PosY, PosZ, IsOnGround);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketPlayerPosLook(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX);
  	HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY);
  	HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ);
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat,  float,  Yaw);
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat,  float,  Pitch);
  	HANDLE_READ(a_ByteBuffer, ReadBool,     bool,   IsOnGround);
  
  	m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, Yaw, Pitch, IsOnGround);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketPluginMessage(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Channel);
  
  	// If the plugin channel is recognized vanilla, handle it directly:
  	if (Channel.substr(0, 3) == "MC|")
  	{
  		HandleVanillaPluginMessage(a_ByteBuffer, Channel);
  
  		// Skip any unread data (vanilla sometimes sends garbage at the end of a packet; #1692):
  		if (a_ByteBuffer.GetReadableSpace() > 0)
  		{
  			LOGD("Protocol 1.8: Skipping garbage data at the end of a vanilla PluginMessage packet, %u bytes",
  				static_cast<unsigned>(a_ByteBuffer.GetReadableSpace())
  			);
  			a_ByteBuffer.SkipRead(a_ByteBuffer.GetReadableSpace());
  		}
  
  		return;
  	}
  
  	// Read the plugin message and relay to clienthandle:
  	ContiguousByteBuffer Data;
  	VERIFY(a_ByteBuffer.ReadSome(Data, a_ByteBuffer.GetReadableSpace()));  // Always succeeds
  	m_Client->HandlePluginMessage(Channel, Data);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketResourcePackStatus(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Hash);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Status);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum);
  
  	m_Client->HandleSlotSelected(SlotNum);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketSpectate(cByteBuffer &a_ByteBuffer)
  {
  	cUUID playerUUID;
  	if (!a_ByteBuffer.ReadUUID(playerUUID))
  	{
  		return;
  	}
  
  	m_Client->HandleSpectate(playerUUID);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways);
  	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Forward);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Flags);
  
  	if ((Flags & 0x2) != 0)
  	{
  		m_Client->HandleUnmount();
  	}
  	else if ((Flags & 0x1) != 0)
  	{
  		// jump
  	}
  	else
  	{
  		m_Client->HandleSteerVehicle(Forward, Sideways);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketTabComplete(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Text);
  	HANDLE_READ(a_ByteBuffer, ReadBool,          bool,    HasPosition);
  
  	if (HasPosition)
  	{
  		HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Position);
  	}
  
  	m_Client->HandleTabCompletion(Text);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer)
  {
  	int BlockX, BlockY, BlockZ;
  	if (!a_ByteBuffer.ReadXYZPosition64(BlockX, BlockY, BlockZ))
  	{
  		return;
  	}
  
  	AString Lines[4];
  	Json::Value root;
  	for (int i = 0; i < 4; i++)
  	{
  		HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line);
  
  		if (JsonUtils::ParseString(Line, root) && root.isString())
  		{
  			Lines[i] = root.asString();
  		}
  	}
  
  	m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Lines[0], Lines[1], Lines[2], Lines[3]);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketUseEntity(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, EntityID);
  	HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Type);
  
  	switch (Type)
  	{
  		case 0:
  		{
  			m_Client->HandleUseEntity(EntityID, false);
  			break;
  		}
  		case 1:
  		{
  			m_Client->HandleUseEntity(EntityID, true);
  			break;
  		}
  		case 2:
  		{
  			HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetX);
  			HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetY);
  			HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetZ);
  
  			// TODO: Do anything
  			break;
  		}
  		default:
  		{
  			ASSERT(!"Unhandled use entity type!");
  			return;
  		}
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketEnchantItem(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Enchantment);
  
  	m_Client->HandleEnchantItem(WindowID, Enchantment);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketWindowClick(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8,  UInt8,  WindowID);
  	HANDLE_READ(a_ByteBuffer, ReadBEInt16,  Int16,  SlotNum);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8,  UInt8,  Button);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt16, UInt16, TransactionID);
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8,  UInt8,  Mode);
  
  	cItem Item;
  	ReadItem(a_ByteBuffer, Item);
  
  	/** The slot number that the client uses to indicate "outside the window". */
  	static const Int16 SLOT_NUM_OUTSIDE = -999;
  
  	// Convert Button, Mode, SlotNum and HeldItem into eClickAction:
  	eClickAction Action;
  	switch ((Mode << 8) | Button)
  	{
  		case 0x0000: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caLeftClick  : caLeftClickOutside;  break;
  		case 0x0001: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caRightClick : caRightClickOutside; break;
  		case 0x0100: Action = caShiftLeftClick;  break;
  		case 0x0101: Action = caShiftRightClick; break;
  		case 0x0200: Action = caNumber1;         break;
  		case 0x0201: Action = caNumber2;         break;
  		case 0x0202: Action = caNumber3;         break;
  		case 0x0203: Action = caNumber4;         break;
  		case 0x0204: Action = caNumber5;         break;
  		case 0x0205: Action = caNumber6;         break;
  		case 0x0206: Action = caNumber7;         break;
  		case 0x0207: Action = caNumber8;         break;
  		case 0x0208: Action = caNumber9;         break;
  		case 0x0302: Action = caMiddleClick;     break;
  		case 0x0400: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftClickOutsideHoldNothing  : caDropKey;     break;
  		case 0x0401: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightClickOutsideHoldNothing : caCtrlDropKey; break;
  		case 0x0500: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftPaintBegin               : caUnknown;     break;
  		case 0x0501: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caLeftPaintProgress            : caUnknown;     break;
  		case 0x0502: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftPaintEnd                 : caUnknown;     break;
  		case 0x0504: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightPaintBegin              : caUnknown;     break;
  		case 0x0505: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caRightPaintProgress           : caUnknown;     break;
  		case 0x0506: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightPaintEnd                : caUnknown;     break;
  		case 0x0508: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caMiddlePaintBegin             : caUnknown;     break;
  		case 0x0509: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caMiddlePaintProgress          : caUnknown;     break;
  		case 0x050a: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caMiddlePaintEnd               : caUnknown;     break;
  		case 0x0600: Action = caDblClick; break;
  		default:
  		{
  			LOGWARNING("Unhandled window click mode / button combination: %d (0x%x)", (Mode << 8) | Button, (Mode << 8) | Button);
  			Action = caUnknown;
  			break;
  		}
  	}
  
  	m_Client->HandleWindowClick(WindowID, SlotNum, Action, Item);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacketWindowClose(cByteBuffer & a_ByteBuffer)
  {
  	HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID);
  
  	m_Client->HandleWindowClose(WindowID);
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, const AString & a_Channel)
  {
  	if ((a_Channel == "MC|AdvCdm") || (a_Channel == "MC|AdvCmd"))  // Spelling was fixed in 15w34
  	{
  		// https://wiki.vg/index.php?title=Plugin_channels&oldid=14089#MC.7CAdvCmd
  		HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Dest);
  
  		switch (Dest)
  		{
  			case 0x00:
  			{
  				// Editing a command-block
  				HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockX);
  				HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockY);
  				HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockZ);
  				HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Command);
  				m_Client->HandleCommandBlockBlockChange(BlockX, BlockY, BlockZ, Command);
  				break;
  			}
  
  			case 0x01:
  			{
  				// Editing a command-block-minecart
  				HANDLE_READ(a_ByteBuffer, ReadBEUInt32,      UInt32,  EntityID);
  				HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Command);
  				m_Client->HandleCommandBlockEntityChange(EntityID, Command);
  				break;
  			}
  
  			default:
  			{
  				m_Client->SendChat(Printf("Failure setting command block command; unhandled destination %u (0x%02x)", Dest, Dest), mtFailure);
  				LOG("Unhandled MC|AdvCmd packet destination.");
  				return;
  			}
  		}  // switch (Mode)
  		return;
  	}
  	else if (a_Channel == "MC|Brand")
  	{
  		HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Brand);
  
  		m_Client->SetClientBrand(Brand);
  		// Send back our brand, including the length:
  		m_Client->SendPluginMessage("MC|Brand", "\x08""Cuberite");
  		return;
  	}
  	else if (a_Channel == "MC|Beacon")
  	{
  		HANDLE_READ(a_ByteBuffer, ReadBEUInt32, UInt32, Effect1);
  		HANDLE_READ(a_ByteBuffer, ReadBEUInt32, UInt32, Effect2);
  
  		m_Client->HandleBeaconSelection(Effect1, Effect2);
  		return;
  	}
  	else if (a_Channel == "MC|ItemName")
  	{
  		HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, ItemName);
  
  		m_Client->HandleAnvilItemName(ItemName);
  		return;
  	}
  	else if (a_Channel == "MC|TrSel")
  	{
  		HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, SlotNum);
  
  		m_Client->HandleNPCTrade(SlotNum);
  		return;
  	}
  	LOG("Unhandled vanilla plugin channel: \"%s\".", a_Channel.c_str());
  
  	// Read the payload and send it through to the clienthandle:
  	ContiguousByteBuffer Message;
  	VERIFY(a_ByteBuffer.ReadSome(Message, a_ByteBuffer.GetReadableSpace() - 1));
  	m_Client->HandlePluginMessage(a_Channel, Message);
  }
  
  
  
  
  
  void cProtocol_1_8_0::ParseItemMetadata(cItem & a_Item, const ContiguousByteBufferView a_Metadata) const
  {
  	// Parse into NBT:
  	cParsedNBT NBT(a_Metadata);
  	if (!NBT.IsValid())
  	{
  		AString HexDump;
  		CreateHexDump(HexDump, a_Metadata.data(), std::max<size_t>(a_Metadata.size(), 1024), 16);
  		LOGWARNING("Cannot parse NBT item metadata: %s at (%zu / %zu bytes)\n%s",
  			NBT.GetErrorCode().message().c_str(), NBT.GetErrorPos(), a_Metadata.size(), HexDump.c_str()
  		);
  		return;
  	}
  
  	// Load enchantments and custom display names from the NBT data:
  	for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag))
  	{
  		AString TagName = NBT.GetName(tag);
  		switch (NBT.GetType(tag))
  		{
  			case TAG_List:
  			{
  				if ((TagName == "ench") || (TagName == "StoredEnchantments"))  // Enchantments tags
  				{
  					EnchantmentSerializer::ParseFromNBT(a_Item.m_Enchantments, NBT, tag);
  				}
  				break;
  			}
  			case TAG_Compound:
  			{
  				if (TagName == "display")  // Custom name and lore tag
  				{
  					for (int displaytag = NBT.GetFirstChild(tag); displaytag >= 0; displaytag = NBT.GetNextSibling(displaytag))
  					{
  						if ((NBT.GetType(displaytag) == TAG_String) && (NBT.GetName(displaytag) == "Name"))  // Custon name tag
  						{
  							a_Item.m_CustomName = NBT.GetString(displaytag);
  						}
  						else if ((NBT.GetType(displaytag) == TAG_List) && (NBT.GetName(displaytag) == "Lore"))  // Lore tag
  						{
  							for (int loretag = NBT.GetFirstChild(displaytag); loretag >= 0; loretag = NBT.GetNextSibling(loretag))  // Loop through array of strings
  							{
  								a_Item.m_LoreTable.push_back(NBT.GetString(loretag));
  							}
  						}
  						else if ((NBT.GetType(displaytag) == TAG_Int) && (NBT.GetName(displaytag) == "color"))
  						{
  							a_Item.m_ItemColor.m_Color = static_cast<unsigned int>(NBT.GetInt(displaytag));
  						}
  					}
  				}
  				else if ((TagName == "Fireworks") || (TagName == "Explosion"))
  				{
  					cFireworkItem::ParseFromNBT(a_Item.m_FireworkItem, NBT, tag, static_cast<ENUM_ITEM_TYPE>(a_Item.m_ItemType));
  				}
  				break;
  			}
  			case TAG_Int:
  			{
  				if (TagName == "RepairCost")
  				{
  					a_Item.m_RepairCost = NBT.GetInt(tag);
  				}
  			}
  			default: LOGD("Unimplemented NBT data when parsing!"); break;
  		}
  	}
  }
  
  
  
  
  
  bool cProtocol_1_8_0::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes) const
  {
  	HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemType);
  
  	if (ItemType == -1)
  	{
  		// The item is empty, no more data follows
  		a_Item.Empty();
  		return true;
  	}
  	a_Item.m_ItemType = ItemType;
  
  	HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt8,  Int8,  ItemCount);
  	HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemDamage);
  
  	a_Item.m_ItemCount  = ItemCount;
  	a_Item.m_ItemDamage = ItemDamage;
  	if (ItemCount <= 0)
  	{
  		a_Item.Empty();
  	}
  
  	ContiguousByteBuffer Metadata;
  	if (!a_ByteBuffer.ReadSome(Metadata, a_ByteBuffer.GetReadableSpace() - a_KeepRemainingBytes) || Metadata.empty() || (Metadata[0] == std::byte(0)))
  	{
  		// No metadata
  		return true;
  	}
  
  	ParseItemMetadata(a_Item, Metadata);
  	return true;
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntitySpawn(const cEntity & a_Entity, const UInt8 a_ObjectType, const Int32 a_ObjectData)
  {
  	ASSERT(m_State == 3);  // In game mode?
  
  	cPacketizer Pkt(*this, pktSpawnObject);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	Pkt.WriteBEUInt8(a_ObjectType);
  	Pkt.WriteFPInt(a_Entity.GetPosX());
  	Pkt.WriteFPInt(a_Entity.GetPosY());
  	Pkt.WriteFPInt(a_Entity.GetPosZ());
  	Pkt.WriteByteAngle(a_Entity.GetPitch());
  	Pkt.WriteByteAngle(a_Entity.GetYaw());
  	Pkt.WriteBEInt32(a_ObjectData);
  
  	if (a_ObjectData != 0)
  	{
  		Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedX() * 400));
  		Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedY() * 400));
  		Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedZ() * 400));
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendPacket(cPacketizer & a_Pkt)
  {
  	ASSERT(m_OutPacketBuffer.GetReadableSpace() == m_OutPacketBuffer.GetUsedSpace());
  
  	m_Compressor.ReadFrom(m_OutPacketBuffer);
  	m_OutPacketBuffer.CommitRead();
  
  	const auto PacketData = m_Compressor.GetView();
  
  	if (m_State == 3)
  	{
  		ContiguousByteBuffer CompressedPacket;
  
  		// Compress the packet payload:
  		cProtocol_1_8_0::CompressPacket(m_Compressor, CompressedPacket);
  
  		// Send the packet's payload compressed:
  		m_Client->SendData(CompressedPacket);
  	}
  	else
  	{
  		// Compression doesn't apply to this state, send raw data:
  		m_OutPacketLenBuffer.WriteVarInt32(static_cast<UInt32>(PacketData.size()));
  		ContiguousByteBuffer LengthData;
  		m_OutPacketLenBuffer.ReadAll(LengthData);
  		m_OutPacketLenBuffer.CommitRead();
  		m_Client->SendData(LengthData);
  
  		// Send the packet's payload directly:
  		m_Client->SendData(PacketData);
  	}
  
  	// Log the comm into logfile:
  	if (g_ShouldLogCommOut && m_CommLogFile.IsOpen())
  	{
  		AString Hex;
  		ASSERT(PacketData.size() > 0);
  		CreateHexDump(Hex, PacketData.data(), PacketData.size(), 16);
  		m_CommLogFile.Printf("Outgoing packet: type %s (translated to 0x%02x), length %u (0x%04x), state %d. Payload (incl. type):\n%s\n",
  			cPacketizer::PacketTypeToStr(a_Pkt.GetPacketType()), GetPacketID(a_Pkt.GetPacketType()),
  			PacketData.size(), PacketData.size(), m_State, Hex
  		);
  		/*
  		// Useful for debugging a new protocol:
  		LOGD("Outgoing packet: type %s (translated to 0x%02x), length %u (0x%04x), state %d. Payload (incl. type):\n%s\n",
  			cPacketizer::PacketTypeToStr(a_Pkt.GetPacketType()), GetPacketID(a_Pkt.GetPacketType()),
  			PacketLen, PacketLen, m_State, Hex
  		);
  		//*/
  	}
  	/*
  	// Useful for debugging a new protocol:
  	std::this_thread::sleep_for(std::chrono::milliseconds(100));
  	*/
  }
  
  
  
  
  
  void cProtocol_1_8_0::WriteBlockEntity(cFastNBTWriter & a_Writer, const cBlockEntity & a_BlockEntity) const
  {
  	a_Writer.AddInt("x", a_BlockEntity.GetPosX());
  	a_Writer.AddInt("y", a_BlockEntity.GetPosY());
  	a_Writer.AddInt("z", a_BlockEntity.GetPosZ());
  
  	switch (a_BlockEntity.GetBlockType())
  	{
  		case E_BLOCK_WALL_BANNER:
  		case E_BLOCK_STANDING_BANNER:
  		{
  			auto & BannerEntity = static_cast<const cBannerEntity &>(a_BlockEntity);
  			a_Writer.AddInt("Base", static_cast<Int32>(BannerEntity.GetBaseColor()));
  			break;
  		}
  
  		case E_BLOCK_BEACON:
  		{
  			auto & BeaconEntity = static_cast<const cBeaconEntity &>(a_BlockEntity);
  			a_Writer.AddInt("Primary",   BeaconEntity.GetPrimaryEffect());
  			a_Writer.AddInt("Secondary", BeaconEntity.GetSecondaryEffect());
  			a_Writer.AddInt("Levels",    BeaconEntity.GetBeaconLevel());
  			break;
  		}
  
  		case E_BLOCK_COMMAND_BLOCK:
  		{
  			auto & CommandBlockEntity = static_cast<const cCommandBlockEntity &>(a_BlockEntity);
  			a_Writer.AddByte("TrackOutput", 1);  // Neither I nor the MC wiki has any idea about this
  			a_Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult());
  			a_Writer.AddString("Command", CommandBlockEntity.GetCommand());
  			// You can set custom names for windows in Vanilla
  			// For a command block, this would be the 'name' prepended to anything it outputs into global chat
  			// MCS doesn't have this, so just leave it @ '@'. (geddit?)
  			a_Writer.AddString("CustomName", "@");
  			if (!CommandBlockEntity.GetLastOutput().empty())
  			{
  				a_Writer.AddString("LastOutput", Printf("{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str()));
  			}
  			break;
  		}
  
  		case E_BLOCK_ENCHANTMENT_TABLE:
  		{
  			auto & EnchantingTableEntity = static_cast<const cEnchantingTableEntity &>(a_BlockEntity);
  			if (!EnchantingTableEntity.GetCustomName().empty())
  			{
  				a_Writer.AddString("CustomName", EnchantingTableEntity.GetCustomName());
  			}
  			break;
  		}
  
  		case E_BLOCK_END_PORTAL:
  		{
  			// Nothing!
  			break;
  		}
  
  		case E_BLOCK_HEAD:
  		{
  			auto & MobHeadEntity = static_cast<const cMobHeadEntity &>(a_BlockEntity);
  			a_Writer.AddByte("SkullType", MobHeadEntity.GetType() & 0xFF);
  			a_Writer.AddByte("Rot", MobHeadEntity.GetRotation() & 0xFF);
  
  			// The new Block Entity format for a Mob Head. See: https://minecraft.gamepedia.com/Head#Block_entity
  			a_Writer.BeginCompound("Owner");
  				a_Writer.AddString("Id", MobHeadEntity.GetOwnerUUID().ToShortString());
  				a_Writer.AddString("Name", MobHeadEntity.GetOwnerName());
  				a_Writer.BeginCompound("Properties");
  					a_Writer.BeginList("textures", TAG_Compound);
  						a_Writer.BeginCompound("");
  							a_Writer.AddString("Signature", MobHeadEntity.GetOwnerTextureSignature());
  							a_Writer.AddString("Value", MobHeadEntity.GetOwnerTexture());
  						a_Writer.EndCompound();
  					a_Writer.EndList();
  				a_Writer.EndCompound();
  			a_Writer.EndCompound();
  			break;
  		}
  
  		case E_BLOCK_FLOWER_POT:
  		{
  			auto & FlowerPotEntity = static_cast<const cFlowerPotEntity &>(a_BlockEntity);
  			a_Writer.AddInt("Item", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemType));
  			a_Writer.AddInt("Data", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemDamage));
  			break;
  		}
  
  		case E_BLOCK_MOB_SPAWNER:
  		{
  			auto & MobSpawnerEntity = static_cast<const cMobSpawnerEntity &>(a_BlockEntity);
  			a_Writer.AddString("EntityId", cMonster::MobTypeToVanillaName(MobSpawnerEntity.GetEntity()));
  			a_Writer.AddShort("Delay", MobSpawnerEntity.GetSpawnDelay());
  			break;
  		}
  
  		default:
  		{
  			break;
  		}
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity) const
  {
  	// Common metadata:
  	Byte Flags = 0;
  	if (a_Entity.IsOnFire())
  	{
  		Flags |= 0x01;
  	}
  	if (a_Entity.IsCrouched())
  	{
  		Flags |= 0x02;
  	}
  	if (a_Entity.IsSprinting())
  	{
  		Flags |= 0x08;
  	}
  	if (a_Entity.IsRclking())
  	{
  		Flags |= 0x10;
  	}
  	if (a_Entity.IsInvisible())
  	{
  		Flags |= 0x20;
  	}
  	if (a_Entity.IsElytraFlying())
  	{
  		Flags |= 0x80;
  	}
  	a_Pkt.WriteBEUInt8(0);  // Byte(0) + index 0
  	a_Pkt.WriteBEUInt8(Flags);
  
  	switch (a_Entity.GetEntityType())
  	{
  		case cEntity::etPlayer:
  		{
  			auto & Player = static_cast<const cPlayer &>(a_Entity);
  
  			// Player name:
  			a_Pkt.WriteBEUInt8(0x82);
  			a_Pkt.WriteString(Player.GetName());
  
  			// Player health:
  			a_Pkt.WriteBEUInt8(0x66);
  			a_Pkt.WriteBEFloat(static_cast<float>(Player.GetHealth()));
  
  			// Skin flags:
  			a_Pkt.WriteBEUInt8(0x0A);
  			a_Pkt.WriteBEUInt8(static_cast<UInt8>(Player.GetSkinParts()));
  
  			break;
  		}
  		case cEntity::etPickup:
  		{
  			a_Pkt.WriteBEUInt8((5 << 5) | 10);  // Slot(5) + index 10
  			WriteItem(a_Pkt, static_cast<const cPickup &>(a_Entity).GetItem());
  			break;
  		}
  		case cEntity::etMinecart:
  		{
  			a_Pkt.WriteBEUInt8(0x51);
  
  			// The following expression makes Minecarts shake more with less health or higher damage taken
  			// It gets half the maximum health, and takes it away from the current health minus the half health:
  			/*
  			Health: 5 | 3 - (5 - 3) = 1 (shake power)
  			Health: 3 | 3 - (3 - 3) = 3
  			Health: 1 | 3 - (1 - 3) = 5
  			*/
  			auto & Minecart = static_cast<const cMinecart &>(a_Entity);
  			a_Pkt.WriteBEInt32(static_cast<Int32>((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * Minecart.LastDamage()) * 4));
  			a_Pkt.WriteBEUInt8(0x52);
  			a_Pkt.WriteBEInt32(1);  // Shaking direction, doesn't seem to affect anything
  			a_Pkt.WriteBEUInt8(0x73);
  			a_Pkt.WriteBEFloat(static_cast<float>(Minecart.LastDamage() + 10));  // Damage taken / shake effect multiplyer
  
  			if (Minecart.GetPayload() == cMinecart::mpNone)
  			{
  				auto & RideableMinecart = static_cast<const cRideableMinecart &>(Minecart);
  				const cItem & MinecartContent = RideableMinecart.GetContent();
  				if (!MinecartContent.IsEmpty())
  				{
  					a_Pkt.WriteBEUInt8(0x54);
  					int Content = MinecartContent.m_ItemType;
  					Content |= MinecartContent.m_ItemDamage << 8;
  					a_Pkt.WriteBEInt32(Content);
  					a_Pkt.WriteBEUInt8(0x55);
  					a_Pkt.WriteBEInt32(RideableMinecart.GetBlockHeight());
  					a_Pkt.WriteBEUInt8(0x56);
  					a_Pkt.WriteBEUInt8(1);
  				}
  			}
  			else if (Minecart.GetPayload() == cMinecart::mpFurnace)
  			{
  				a_Pkt.WriteBEUInt8(0x10);
  				a_Pkt.WriteBEUInt8(static_cast<const cMinecartWithFurnace &>(Minecart).IsFueled() ? 1 : 0);
  			}
  			break;
  		}  // case etMinecart
  
  		case cEntity::etProjectile:
  		{
  			auto & Projectile = static_cast<const cProjectileEntity &>(a_Entity);
  			switch (Projectile.GetProjectileKind())
  			{
  				case cProjectileEntity::pkArrow:
  				{
  					a_Pkt.WriteBEUInt8(0x10);
  					a_Pkt.WriteBEUInt8(static_cast<const cArrowEntity &>(Projectile).IsCritical() ? 1 : 0);
  					break;
  				}
  				case cProjectileEntity::pkFirework:
  				{
  					a_Pkt.WriteBEUInt8(0xa8);
  					WriteItem(a_Pkt, static_cast<const cFireworkEntity &>(Projectile).GetItem());
  					break;
  				}
  				default:
  				{
  					break;
  				}
  			}
  			break;
  		}  // case etProjectile
  
  		case cEntity::etMonster:
  		{
  			WriteMobMetadata(a_Pkt, static_cast<const cMonster &>(a_Entity));
  			break;
  		}
  
  		case cEntity::etItemFrame:
  		{
  			auto & Frame = static_cast<const cItemFrame &>(a_Entity);
  			a_Pkt.WriteBEUInt8(0xa8);
  			WriteItem(a_Pkt, Frame.GetItem());
  			a_Pkt.WriteBEUInt8(0x09);
  			a_Pkt.WriteBEUInt8(Frame.GetItemRotation());
  			break;
  		}  // case etItemFrame
  
  		default:
  		{
  			break;
  		}
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity) const
  {
  	if (a_Entity.IsPlayer())
  	{
  		const auto & Player = static_cast<const cPlayer &>(a_Entity);
  
  		a_Pkt.WriteBEInt32(1);  // Count.
  		a_Pkt.WriteString("generic.movementSpeed");
  		a_Pkt.WriteBEDouble(0.1 * Player.GetNormalMaxSpeed());  // The default game speed is 0.1, multiply that value by the relative speed.
  
  		// It seems the modifiers aren't conditionally activated; their effects are applied immediately!
  		// We have to keep on re-sending this packet when the client notifies us of sprint start and end, and so on. Strange.
  
  		if (Player.IsSprinting())
  		{
  			a_Pkt.WriteVarInt32(1);  // Modifier count.
  			a_Pkt.WriteBEUInt64(0x662a6b8dda3e4c1c);
  			a_Pkt.WriteBEUInt64(0x881396ea6097278d);  // UUID of the modifier (sprinting speed boost).
  			a_Pkt.WriteBEDouble(Player.GetSprintingMaxSpeed() - Player.GetNormalMaxSpeed());
  			a_Pkt.WriteBEUInt8(2);
  		}
  		else
  		{
  			a_Pkt.WriteVarInt32(0);
  		}
  	}
  	else
  	{
  		// const cMonster & Mob = (const cMonster &)a_Entity;
  
  		// TODO: Send properties and modifiers based on the mob type
  
  		a_Pkt.WriteBEInt32(0);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::WriteItem(cPacketizer & a_Pkt, const cItem & a_Item) const
  {
  	short ItemType = a_Item.m_ItemType;
  	ASSERT(ItemType >= -1);  // Check validity of packets in debug runtime
  	if (ItemType <= 0)
  	{
  		// Fix, to make sure no invalid values are sent.
  		ItemType = -1;
  	}
  
  	if (a_Item.IsEmpty())
  	{
  		a_Pkt.WriteBEInt16(-1);
  		return;
  	}
  
  	a_Pkt.WriteBEInt16(ItemType);
  	a_Pkt.WriteBEInt8(a_Item.m_ItemCount);
  	a_Pkt.WriteBEInt16(a_Item.m_ItemDamage);
  
  	if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (a_Item.m_ItemType != E_ITEM_FIREWORK_ROCKET) && (a_Item.m_ItemType != E_ITEM_FIREWORK_STAR) && !a_Item.m_ItemColor.IsValid())
  	{
  		a_Pkt.WriteBEInt8(0);
  		return;
  	}
  
  
  	// Send the enchantments and custom names:
  	cFastNBTWriter Writer;
  	if (a_Item.m_RepairCost != 0)
  	{
  		Writer.AddInt("RepairCost", a_Item.m_RepairCost);
  	}
  	if (!a_Item.m_Enchantments.IsEmpty())
  	{
  		const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
  		EnchantmentSerializer::WriteToNBTCompound(a_Item.m_Enchantments, Writer, TagName);
  	}
  	if (!a_Item.IsBothNameAndLoreEmpty() || a_Item.m_ItemColor.IsValid())
  	{
  		Writer.BeginCompound("display");
  		if (a_Item.m_ItemColor.IsValid())
  		{
  			Writer.AddInt("color", static_cast<Int32>(a_Item.m_ItemColor.m_Color));
  		}
  
  		if (!a_Item.IsCustomNameEmpty())
  		{
  			Writer.AddString("Name", a_Item.m_CustomName);
  		}
  		if (!a_Item.IsLoreEmpty())
  		{
  			Writer.BeginList("Lore", TAG_String);
  
  			for (const auto & Line : a_Item.m_LoreTable)
  			{
  				Writer.AddString("", Line);
  			}
  
  			Writer.EndList();
  		}
  		Writer.EndCompound();
  	}
  	if ((a_Item.m_ItemType == E_ITEM_FIREWORK_ROCKET) || (a_Item.m_ItemType == E_ITEM_FIREWORK_STAR))
  	{
  		cFireworkItem::WriteToNBTCompound(a_Item.m_FireworkItem, Writer, static_cast<ENUM_ITEM_TYPE>(a_Item.m_ItemType));
  	}
  	Writer.Finish();
  
  	const auto Result = Writer.GetResult();
  	if (Result.empty())
  	{
  		a_Pkt.WriteBEInt8(0);
  		return;
  	}
  	a_Pkt.WriteBuf(Result);
  }
  
  
  
  
  
  void cProtocol_1_8_0::WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob) const
  {
  	// Living Enitiy Metadata
  	if (a_Mob.HasCustomName())
  	{
  		a_Pkt.WriteBEUInt8(0x82);
  		a_Pkt.WriteString(a_Mob.GetCustomName());
  
  		a_Pkt.WriteBEUInt8(0x03);
  		a_Pkt.WriteBool(a_Mob.IsCustomNameAlwaysVisible());
  	}
  
  	a_Pkt.WriteBEUInt8(0x66);
  	a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
  
  	switch (a_Mob.GetMobType())
  	{
  		case mtBat:
  		{
  			auto & Bat = static_cast<const cBat &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x10);
  			a_Pkt.WriteBEUInt8(Bat.IsHanging() ? 1 : 0);
  			break;
  		}  // case mtBat
  
  		case mtChicken:
  		{
  			auto & Chicken = static_cast<const cChicken &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Chicken.IsBaby() ? -1 : (Chicken.IsInLoveCooldown() ? 1 : 0));
  			break;
  		}  // case mtChicken
  
  		case mtCow:
  		{
  			auto & Cow = static_cast<const cCow &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Cow.IsBaby() ? -1 : (Cow.IsInLoveCooldown() ? 1 : 0));
  			break;
  		}  // case mtCow
  
  		case mtCreeper:
  		{
  			auto & Creeper = static_cast<const cCreeper &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x10);
  			a_Pkt.WriteBEUInt8(Creeper.IsBlowing() ? 1 : 255);
  			a_Pkt.WriteBEUInt8(0x11);
  			a_Pkt.WriteBEUInt8(Creeper.IsCharged() ? 1 : 0);
  			break;
  		}  // case mtCreeper
  
  		case mtEnderman:
  		{
  			auto & Enderman = static_cast<const cEnderman &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x30);
  			a_Pkt.WriteBEInt16(static_cast<Byte>(Enderman.GetCarriedBlock()));
  			a_Pkt.WriteBEUInt8(0x11);
  			a_Pkt.WriteBEUInt8(static_cast<Byte>(Enderman.GetCarriedMeta()));
  			a_Pkt.WriteBEUInt8(0x12);
  			a_Pkt.WriteBEUInt8(Enderman.IsScreaming() ? 1 : 0);
  			break;
  		}  // case mtEnderman
  
  		case mtGhast:
  		{
  			auto & Ghast = static_cast<const cGhast &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x10);
  			a_Pkt.WriteBEUInt8(Ghast.IsCharging());
  			break;
  		}  // case mtGhast
  
  		case mtHorse:
  		{
  			auto & Horse = static_cast<const cHorse &>(a_Mob);
  			int Flags = 0;
  			if (Horse.IsTame())
  			{
  				Flags |= 0x02;
  			}
  			if (Horse.IsSaddled())
  			{
  				Flags |= 0x04;
  			}
  			if (Horse.IsChested())
  			{
  				Flags |= 0x08;
  			}
  			if (Horse.IsEating())
  			{
  				Flags |= 0x20;
  			}
  			if (Horse.IsRearing())
  			{
  				Flags |= 0x40;
  			}
  			if (Horse.IsMthOpen())
  			{
  				Flags |= 0x80;
  			}
  			a_Pkt.WriteBEUInt8(0x50);  // Int at index 16
  			a_Pkt.WriteBEInt32(Flags);
  			a_Pkt.WriteBEUInt8(0x13);  // Byte at index 19
  			a_Pkt.WriteBEUInt8(static_cast<UInt8>(Horse.GetHorseType()));
  			a_Pkt.WriteBEUInt8(0x54);  // Int at index 20
  			int Appearance = 0;
  			Appearance = Horse.GetHorseColor();
  			Appearance |= Horse.GetHorseStyle() << 8;
  			a_Pkt.WriteBEInt32(Appearance);
  			a_Pkt.WriteBEUInt8(0x56);  // Int at index 22
  			a_Pkt.WriteBEInt32(Horse.GetHorseArmour());
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Horse.IsBaby() ? -1 : (Horse.IsInLoveCooldown() ? 1 : 0));
  			break;
  		}  // case mtHorse
  
  		case mtMagmaCube:
  		{
  			auto & MagmaCube = static_cast<const cMagmaCube &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x10);
  			a_Pkt.WriteBEUInt8(static_cast<UInt8>(MagmaCube.GetSize()));
  			break;
  		}  // case mtMagmaCube
  
  		case mtOcelot:
  		{
  			auto & Ocelot = static_cast<const cOcelot &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Ocelot.IsBaby() ? -1 : (Ocelot.IsInLoveCooldown() ? 1 : 0));
  			break;
  		}  // case mtOcelot
  
  		case mtPig:
  		{
  			auto & Pig = static_cast<const cPig &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Pig.IsBaby() ? -1 : (Pig.IsInLoveCooldown() ? 1 : 0));
  			a_Pkt.WriteBEUInt8(0x10);
  			a_Pkt.WriteBEUInt8(Pig.IsSaddled() ? 1 : 0);
  			break;
  		}  // case mtPig
  
  		case mtSheep:
  		{
  			auto & Sheep = static_cast<const cSheep &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Sheep.IsBaby() ? -1 : (Sheep.IsInLoveCooldown() ? 1 : 0));
  
  			a_Pkt.WriteBEUInt8(0x10);
  			Byte SheepMetadata = 0;
  			SheepMetadata = static_cast<Byte>(Sheep.GetFurColor());
  			if (Sheep.IsSheared())
  			{
  				SheepMetadata |= 0x10;
  			}
  			a_Pkt.WriteBEUInt8(SheepMetadata);
  			break;
  		}  // case mtSheep
  
  		case mtRabbit:
  		{
  			auto & Rabbit = static_cast<const cRabbit &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x12);
  			a_Pkt.WriteBEUInt8(static_cast<UInt8>(Rabbit.GetRabbitType()));
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Rabbit.IsBaby() ? -1 : (Rabbit.IsInLoveCooldown() ? 1 : 0));
  			break;
  		}  // case mtRabbit
  
  		case mtSlime:
  		{
  			auto & Slime = static_cast<const cSlime &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x10);
  			a_Pkt.WriteBEUInt8(static_cast<UInt8>(Slime.GetSize()));
  			break;
  		}  // case mtSlime
  
  		case mtSkeleton:
  		case mtStray:
  		{
  			a_Pkt.WriteBEUInt8(0x0d);
  			a_Pkt.WriteBEUInt8(0);  // Is normal skeleton
  			break;
  		}
  
  		case mtVillager:
  		{
  			auto & Villager = static_cast<const cVillager &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x50);
  			a_Pkt.WriteBEInt32(Villager.GetVilType());
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Villager.IsBaby() ? -1 : 0);
  			break;
  		}  // case mtVillager
  
  		case mtWitch:
  		{
  			auto & Witch = static_cast<const cWitch &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x15);
  			a_Pkt.WriteBEUInt8(Witch.IsAngry() ? 1 : 0);
  			break;
  		}  // case mtWitch
  
  		case mtWither:
  		{
  			auto & Wither = static_cast<const cWither &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x54);  // Int at index 20
  			a_Pkt.WriteBEInt32(static_cast<Int32>(Wither.GetWitherInvulnerableTicks()));
  			a_Pkt.WriteBEUInt8(0x66);  // Float at index 6
  			a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
  			break;
  		}  // case mtWither
  
  		case mtWitherSkeleton:
  		{
  			a_Pkt.WriteBEUInt8(0x0d);
  			a_Pkt.WriteBEUInt8(1);  // Is wither skeleton
  			break;
  		}  // case mtWitherSkeleton
  
  		case mtWolf:
  		{
  			auto & Wolf = static_cast<const cWolf &>(a_Mob);
  			Byte WolfStatus = 0;
  			if (Wolf.IsSitting())
  			{
  				WolfStatus |= 0x1;
  			}
  			if (Wolf.IsAngry())
  			{
  				WolfStatus |= 0x2;
  			}
  			if (Wolf.IsTame())
  			{
  				WolfStatus |= 0x4;
  			}
  			a_Pkt.WriteBEUInt8(0x10);
  			a_Pkt.WriteBEUInt8(WolfStatus);
  
  			a_Pkt.WriteBEUInt8(0x72);
  			a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
  			a_Pkt.WriteBEUInt8(0x13);
  			a_Pkt.WriteBEUInt8(Wolf.IsBegging() ? 1 : 0);
  			a_Pkt.WriteBEUInt8(0x14);
  			a_Pkt.WriteBEUInt8(static_cast<UInt8>(Wolf.GetCollarColor()));
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Wolf.IsBaby() ? -1 : 0);
  			break;
  		}  // case mtWolf
  
  		case mtHusk:
  		case mtZombie:
  		{
  			auto & Zombie = static_cast<const cZombie &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(Zombie.IsBaby() ? 1 : -1);
  			a_Pkt.WriteBEUInt8(0x0d);
  			a_Pkt.WriteBEUInt8(0);
  			a_Pkt.WriteBEUInt8(0x0e);
  			a_Pkt.WriteBEUInt8(0);
  			break;
  		}  // case mtZombie
  
  		case mtZombiePigman:
  		{
  			auto & ZombiePigman = static_cast<const cZombiePigman &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(ZombiePigman.IsBaby() ? 1 : -1);
  			break;
  		}  // case mtZombiePigman
  
  		case mtZombieVillager:
  		{
  			auto & ZombieVillager = reinterpret_cast<const cZombieVillager &>(a_Mob);
  			a_Pkt.WriteBEUInt8(0x0c);
  			a_Pkt.WriteBEInt8(ZombieVillager.IsBaby() ? 1 : -1);
  			a_Pkt.WriteBEUInt8(0x0d);
  			a_Pkt.WriteBEUInt8(1);
  			a_Pkt.WriteBEUInt8(0x0e);
  			a_Pkt.WriteBEUInt8((ZombieVillager.ConversionTime() == -1) ? 0 : 1);
  			break;
  		}  // case mtZombieVillager
  
  		case mtBlaze:
  		case mtElderGuardian:
  		case mtGuardian:
  		{
  			// TODO: Mobs with extra fields that aren't implemented
  			break;
  		}
  
  		case mtCat:
  
  		case mtEndermite:
  
  		case mtDonkey:
  		case mtMule:
  		case mtSkeletonHorse:
  		case mtZombieHorse:
  		{
  			// Todo: Mobs not added yet. Grouped ones have the same metadata
  			ASSERT(!"cProtocol_1_8::WriteMobMetadata: received unimplemented type");
  			break;
  		}
  
  		case mtCaveSpider:
  		case mtEnderDragon:
  		case mtGiant:
  		case mtIronGolem:
  		case mtMooshroom:
  		case mtSilverfish:
  		case mtSnowGolem:
  		case mtSpider:
  		case mtSquid:
  		{
  			// Allowed mobs without additional metadata
  			break;
  		}
  
  		default: UNREACHABLE("cProtocol_1_8::WriteMobMetadata: received mob of invalid type");
  	}  // switch (a_Mob.GetType())
  }
  
  
  
  
  
  void cProtocol_1_8_0::AddReceivedData(cByteBuffer & a_Buffer, const ContiguousByteBufferView a_Data)
  {
  	// Write the incoming data into the comm log file:
  	if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
  	{
  		if (a_Buffer.GetReadableSpace() > 0)
  		{
  			ContiguousByteBuffer AllData;
  			size_t OldReadableSpace = a_Buffer.GetReadableSpace();
  			a_Buffer.ReadAll(AllData);
  			a_Buffer.ResetRead();
  			a_Buffer.SkipRead(a_Buffer.GetReadableSpace() - OldReadableSpace);
  			ASSERT(a_Buffer.GetReadableSpace() == OldReadableSpace);
  			AString Hex;
  			CreateHexDump(Hex, AllData.data(), AllData.size(), 16);
  			m_CommLogFile.Printf("Incoming data, %zu (0x%zx) unparsed bytes already present in buffer:\n%s\n",
  				AllData.size(), AllData.size(), Hex.c_str()
  			);
  		}
  		AString Hex;
  		CreateHexDump(Hex, a_Data.data(), a_Data.size(), 16);
  		m_CommLogFile.Printf("Incoming data: %zu (0x%zx) bytes: \n%s\n",
  			a_Data.size(), a_Data.size(), Hex.c_str()
  		);
  		m_CommLogFile.Flush();
  	}
  
  	if (!a_Buffer.Write(a_Data.data(), a_Data.size()))
  	{
  		// Too much data in the incoming queue, report to caller:
  		m_Client->PacketBufferFull();
  		return;
  	}
  
  	// Handle all complete packets:
  	for (;;)
  	{
  		UInt32 PacketLen;
  		if (!a_Buffer.ReadVarInt(PacketLen))
  		{
  			// Not enough data
  			a_Buffer.ResetRead();
  			break;
  		}
  		if (!a_Buffer.CanReadBytes(PacketLen))
  		{
  			// The full packet hasn't been received yet
  			a_Buffer.ResetRead();
  			break;
  		}
  
  		// Check packet for compression:
  		if (m_State == 3)
  		{
  			UInt32 NumBytesRead = static_cast<UInt32>(a_Buffer.GetReadableSpace());
  
  			UInt32 UncompressedSize;
  			if (!a_Buffer.ReadVarInt(UncompressedSize))
  			{
  				m_Client->Kick("Compression packet incomplete");
  				return;
  			}
  
  			NumBytesRead -= static_cast<UInt32>(a_Buffer.GetReadableSpace());  // How many bytes has the UncompressedSize taken up?
  			ASSERT(PacketLen > NumBytesRead);
  			PacketLen -= NumBytesRead;
  
  			if (UncompressedSize > 0)
  			{
  				// Decompress the data:
  				m_Extractor.ReadFrom(a_Buffer, PacketLen);
  				a_Buffer.CommitRead();
  
  				const auto UncompressedData = m_Extractor.Extract(UncompressedSize);
  				const auto Uncompressed = UncompressedData.GetView();
  				cByteBuffer bb(Uncompressed.size());
  
  				// Compression was used, move the uncompressed data:
  				VERIFY(bb.Write(Uncompressed.data(), Uncompressed.size()));
  
  				HandlePacket(bb);
  				continue;
  			}
  		}
  
  		// Move the packet payload to a separate cByteBuffer, bb:
  		cByteBuffer bb(PacketLen);
  
  		// No compression was used, move directly:
  		VERIFY(a_Buffer.ReadToByteBuffer(bb, static_cast<size_t>(PacketLen)));
  		a_Buffer.CommitRead();
  
  		HandlePacket(bb);
  	}  // for (ever)
  
  	// Log any leftover bytes into the logfile:
  	if (g_ShouldLogCommIn && (a_Buffer.GetReadableSpace() > 0) && m_CommLogFile.IsOpen())
  	{
  		ContiguousByteBuffer AllData;
  		size_t OldReadableSpace = a_Buffer.GetReadableSpace();
  		a_Buffer.ReadAll(AllData);
  		a_Buffer.ResetRead();
  		a_Buffer.SkipRead(a_Buffer.GetReadableSpace() - OldReadableSpace);
  		ASSERT(a_Buffer.GetReadableSpace() == OldReadableSpace);
  		AString Hex;
  		CreateHexDump(Hex, AllData.data(), AllData.size(), 16);
  		m_CommLogFile.Printf("There are %zu (0x%zx) bytes of non-parse-able data left in the buffer:\n%s",
  			a_Buffer.GetReadableSpace(), a_Buffer.GetReadableSpace(), Hex.c_str()
  		);
  		m_CommLogFile.Flush();
  	}
  }
  
  
  
  
  
  UInt8 cProtocol_1_8_0::GetProtocolEntityType(const cEntity & a_Entity)
  {
  	using Type = cEntity::eEntityType;
  
  	switch (a_Entity.GetEntityType())
  	{
  		case Type::etEnderCrystal: return 51;
  		case Type::etPickup: return 2;
  		case Type::etFallingBlock: return 70;
  		case Type::etMinecart: return 10;
  		case Type::etBoat: return 1;
  		case Type::etTNT: return 50;
  		case Type::etProjectile:
  		{
  			using PType = cProjectileEntity::eKind;
  			const auto & Projectile = static_cast<const cProjectileEntity &>(a_Entity);
  
  			switch (Projectile.GetProjectileKind())
  			{
  				case PType::pkArrow: return 60;
  				case PType::pkSnowball: return 61;
  				case PType::pkEgg: return 62;
  				case PType::pkGhastFireball: return 63;
  				case PType::pkFireCharge: return 64;
  				case PType::pkEnderPearl: return 65;
  				case PType::pkExpBottle: return 75;
  				case PType::pkSplashPotion: return 73;
  				case PType::pkFirework: return 76;
  				case PType::pkWitherSkull: return 66;
  			}
  		}
  		case Type::etFloater: return 90;
  		case Type::etItemFrame: return 71;
  		case Type::etLeashKnot: return 77;
  
  		// Non-objects must not be sent
  		case Type::etEntity:
  		case Type::etPlayer:
  		case Type::etMonster:
  		case Type::etExpOrb:
  		case Type::etPainting: break;
  	}
  	UNREACHABLE("Unhandled entity kind");
  }
  
  
  
  
  
  int cProtocol_1_8_0::GetProtocolParticleID(const AString & a_ParticleName)
  {
  	static const std::unordered_map<AString, int> ParticleMap
  	{
  		// Initialize the ParticleMap:
  		{ "explode",          0 },
  		{ "largeexplode",     1 },
  		{ "hugeexplosion",    2 },
  		{ "fireworksspark",   3 },
  		{ "bubble",           4 },
  		{ "splash",           5 },
  		{ "wake",             6 },
  		{ "suspended",        7 },
  		{ "depthsuspend",     8 },
  		{ "crit",             9 },
  		{ "magiccrit",        10 },
  		{ "smoke",            11 },
  		{ "largesmoke",       12 },
  		{ "spell",            13 },
  		{ "instantspell",     14 },
  		{ "mobspell",         15 },
  		{ "mobspellambient",  16 },
  		{ "witchmagic",       17 },
  		{ "dripwater",        18 },
  		{ "driplava",         19 },
  		{ "angryvillager",    20 },
  		{ "happyvillager",    21 },
  		{ "townaura",         22 },
  		{ "note",             23 },
  		{ "portal",           24 },
  		{ "enchantmenttable", 25 },
  		{ "flame",            26 },
  		{ "lava",             27 },
  		{ "footstep",         28 },
  		{ "cloud",            29 },
  		{ "reddust",          30 },
  		{ "snowballpoof",     31 },
  		{ "snowshovel",       32 },
  		{ "slime",            33 },
  		{ "heart",            34 },
  		{ "barrier",          35 },
  		{ "iconcrack",        36 },
  		{ "blockcrack",       37 },
  		{ "blockdust",        38 },
  		{ "droplet",          39 },
  		{ "take",             40 },
  		{ "mobappearance",    41 },
  		{ "dragonbreath",     42 },
  		{ "endrod",           43 },
  		{ "damageindicator",  44 },
  		{ "sweepattack",      45 },
  		{ "fallingdust",      46 },
  		{ "totem",            47 },
  		{ "spit",             48 }
  	};
  
  	const auto ParticleName = StrToLower(a_ParticleName);
  	const auto FindResult = ParticleMap.find(ParticleName);
  	if (FindResult == ParticleMap.end())
  	{
  		LOGWARNING("Unknown particle: %s", a_ParticleName.c_str());
  		ASSERT(!"Unknown particle");
  		return 0;
  	}
  
  	return FindResult->second;
  }
  
  
  
  
  
  const char * cProtocol_1_8_0::GetProtocolStatisticName(const CustomStatistic a_Statistic)
  {
  	switch (a_Statistic)
  	{
  		// V1.8 Achievements
  		case CustomStatistic::AchOpenInventory:        return "achievement.openInventory";
  		case CustomStatistic::AchMineWood:             return "achievement.mineWood";
  		case CustomStatistic::AchBuildWorkBench:       return "achievement.buildWorkBench";
  		case CustomStatistic::AchBuildPickaxe:         return "achievement.buildPickaxe";
  		case CustomStatistic::AchBuildFurnace:         return "achievement.buildFurnace";
  		case CustomStatistic::AchAcquireIron:          return "achievement.acquireIron";
  		case CustomStatistic::AchBuildHoe:             return "achievement.buildHoe";
  		case CustomStatistic::AchMakeBread:            return "achievement.makeBread";
  		case CustomStatistic::AchBakeCake:             return "achievement.bakeCake";
  		case CustomStatistic::AchBuildBetterPickaxe:   return "achievement.buildBetterPickaxe";
  		case CustomStatistic::AchCookFish:             return "achievement.cookFish";
  		case CustomStatistic::AchOnARail:              return "achievement.onARail";
  		case CustomStatistic::AchBuildSword:           return "achievement.buildSword";
  		case CustomStatistic::AchKillEnemy:            return "achievement.killEnemy";
  		case CustomStatistic::AchKillCow:              return "achievement.killCow";
  		case CustomStatistic::AchFlyPig:               return "achievement.flyPig";
  		case CustomStatistic::AchSnipeSkeleton:        return "achievement.snipeSkeleton";
  		case CustomStatistic::AchDiamonds:             return "achievement.diamonds";
  		case CustomStatistic::AchPortal:               return "achievement.portal";
  		case CustomStatistic::AchGhast:                return "achievement.ghast";
  		case CustomStatistic::AchBlazeRod:             return "achievement.blazeRod";
  		case CustomStatistic::AchPotion:               return "achievement.potion";
  		case CustomStatistic::AchTheEnd:               return "achievement.theEnd";
  		case CustomStatistic::AchTheEnd2:              return "achievement.theEnd2";
  		case CustomStatistic::AchEnchantments:         return "achievement.enchantments";
  		case CustomStatistic::AchOverkill:             return "achievement.overkill";
  		case CustomStatistic::AchBookcase:             return "achievement.bookcase";
  		case CustomStatistic::AchExploreAllBiomes:     return "achievement.exploreAllBiomes";
  		case CustomStatistic::AchSpawnWither:          return "achievement.spawnWither";
  		case CustomStatistic::AchKillWither:           return "achievement.killWither";
  		case CustomStatistic::AchFullBeacon:           return "achievement.fullBeacon";
  		case CustomStatistic::AchBreedCow:             return "achievement.breedCow";
  		case CustomStatistic::AchDiamondsToYou:        return "achievement.diamondsToYou";
  
  		// V1.8 stats
  		case CustomStatistic::AnimalsBred:               return "stat.animalsBred";
  		case CustomStatistic::BoatOneCm:                 return "stat.boatOneCm";
  		case CustomStatistic::ClimbOneCm:                return "stat.climbOneCm";
  		case CustomStatistic::CrouchOneCm:               return "stat.crouchOneCm";
  		case CustomStatistic::DamageDealt:               return "stat.damageDealt";
  		case CustomStatistic::DamageTaken:               return "stat.damageTaken";
  		case CustomStatistic::Deaths:                    return "stat.deaths";
  		case CustomStatistic::Drop:                      return "stat.drop";
  		case CustomStatistic::FallOneCm:                 return "stat.fallOneCm";
  		case CustomStatistic::FishCaught:                return "stat.fishCaught";
  		case CustomStatistic::FlyOneCm:                  return "stat.flyOneCm";
  		case CustomStatistic::HorseOneCm:                return "stat.horseOneCm";
  		case CustomStatistic::Jump:                      return "stat.jump";
  		case CustomStatistic::LeaveGame:                 return "stat.leaveGame";
  		case CustomStatistic::MinecartOneCm:             return "stat.minecartOneCm";
  		case CustomStatistic::MobKills:                  return "stat.mobKills";
  		case CustomStatistic::PigOneCm:                  return "stat.pigOneCm";
  		case CustomStatistic::PlayerKills:               return "stat.playerKills";
  		case CustomStatistic::PlayOneMinute:             return "stat.playOneMinute";
  		case CustomStatistic::SprintOneCm:               return "stat.sprintOneCm";
  		case CustomStatistic::SwimOneCm:                 return "stat.swimOneCm";
  		case CustomStatistic::TalkedToVillager:          return "stat.talkedToVillager";
  		case CustomStatistic::TimeSinceDeath:            return "stat.timeSinceDeath";
  		case CustomStatistic::TradedWithVillager:        return "stat.tradedWithVillager";
  		case CustomStatistic::WalkOneCm:                 return "stat.walkOneCm";
  		case CustomStatistic::WalkUnderWaterOneCm:       return "stat.diveOneCm";
  
  		// V1.8.2 stats
  		case CustomStatistic::CleanArmor:                return "stat.armorCleaned";
  		case CustomStatistic::CleanBanner:               return "stat.bannerCleaned";
  		case CustomStatistic::EatCakeSlice:              return "stat.cakeSlicesEaten";
  		case CustomStatistic::EnchantItem:               return "stat.itemEnchanted";
  		case CustomStatistic::FillCauldron:              return "stat.cauldronFilled";
  		case CustomStatistic::InspectDispenser:          return "stat.dispenserInspected";
  		case CustomStatistic::InspectDropper:            return "stat.dropperInspected";
  		case CustomStatistic::InspectHopper:             return "stat.hopperInspected";
  		case CustomStatistic::InteractWithBeacon:        return "stat.beaconInteraction";
  		case CustomStatistic::InteractWithBrewingstand:  return "stat.brewingstandInteraction";
  		case CustomStatistic::InteractWithCraftingTable: return "stat.craftingTableInteraction";
  		case CustomStatistic::InteractWithFurnace:       return "stat.furnaceInteraction";
  		case CustomStatistic::OpenChest:                 return "stat.chestOpened";
  		case CustomStatistic::OpenEnderchest:            return "stat.enderchestOpened";
  		case CustomStatistic::PlayNoteblock:             return "stat.noteblockPlayed";
  		case CustomStatistic::PlayRecord:                return "stat.recordPlayed";
  		case CustomStatistic::PotFlower:                 return "stat.flowerPotted";
  		case CustomStatistic::TriggerTrappedChest:       return "stat.trappedChestTriggered";
  		case CustomStatistic::TuneNoteblock:             return "stat.noteblockTuned";
  		case CustomStatistic::UseCauldron:               return "stat.cauldronUsed";
  
  		// V1.9 stats
  		case CustomStatistic::AviateOneCm:               return "stat.aviateOneCm";
  		case CustomStatistic::SleepInBed:                return "stat.sleepInBed";
  		case CustomStatistic::SneakTime:                 return "stat.sneakTime";
  		default:                                   return "";
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::HandlePacket(cByteBuffer & a_Buffer)
  {
  	UInt32 PacketType;
  	if (!a_Buffer.ReadVarInt(PacketType))
  	{
  		// Not enough data
  		return;
  	}
  
  	// Log the packet info into the comm log file:
  	if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
  	{
  		ContiguousByteBuffer PacketData;
  		a_Buffer.ReadAll(PacketData);
  		a_Buffer.ResetRead();
  		a_Buffer.ReadVarInt(PacketType);  // We have already read the packet type once, it will be there again
  		ASSERT(PacketData.size() > 0);  // We have written an extra NUL, so there had to be at least one byte read
  		PacketData.resize(PacketData.size() - 1);
  		AString PacketDataHex;
  		CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16);
  		m_CommLogFile.Printf("Next incoming packet is type %u (0x%x), length %u (0x%x) at state %d. Payload:\n%s\n",
  			PacketType, PacketType, a_Buffer.GetUsedSpace(), a_Buffer.GetUsedSpace(), m_State, PacketDataHex.c_str()
  		);
  	}
  
  	if (!HandlePacket(a_Buffer, PacketType))
  	{
  		// Unknown packet, already been reported, but without the length. Log the length here:
  		LOGWARNING("Unhandled packet: type 0x%x, state %d, length %u", PacketType, m_State, a_Buffer.GetUsedSpace());
  
  #ifndef NDEBUG
  		// Dump the packet contents into the log:
  		a_Buffer.ResetRead();
  		ContiguousByteBuffer Packet;
  		a_Buffer.ReadAll(Packet);
  		Packet.resize(Packet.size() - 1);  // Drop the final NUL pushed there for over-read detection
  		AString Out;
  		CreateHexDump(Out, Packet.data(), Packet.size(), 24);
  		LOGD("Packet contents:\n%s", Out.c_str());
  #endif  // !NDEBUG
  
  		// Put a message in the comm log:
  		if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
  		{
  			m_CommLogFile.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n");
  		}
  
  		return;
  	}
  
  	// The packet should have nothing left in the buffer:
  	if (a_Buffer.GetReadableSpace() != 0)
  	{
  		// Read more or less than packet length, report as error
  		LOGWARNING("Protocol 1.8: Wrong number of bytes read for packet 0x%x, state %d. Read %zu bytes, packet contained %u bytes",
  			PacketType, m_State, a_Buffer.GetUsedSpace() - a_Buffer.GetReadableSpace(), a_Buffer.GetUsedSpace()
  		);
  
  		// Put a message in the comm log:
  		if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
  		{
  			m_CommLogFile.Printf("^^^^^^ Wrong number of bytes read for this packet (exp %d left, got %zu left) ^^^^^^\n\n\n",
  				1, a_Buffer.GetReadableSpace()
  			);
  			m_CommLogFile.Flush();
  		}
  
  		ASSERT(!"Read wrong number of bytes!");
  		m_Client->PacketError(PacketType);
  	}
  }
  
  
  
  
  
  void cProtocol_1_8_0::SendEntityTeleport(const cEntity & a_Entity)
  {
  	cPacketizer Pkt(*this, pktTeleportEntity);
  	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
  	Pkt.WriteFPInt(a_Entity.GetPosX());
  	Pkt.WriteFPInt(a_Entity.GetPosY());
  	Pkt.WriteFPInt(a_Entity.GetPosZ());
  	Pkt.WriteByteAngle(a_Entity.GetYaw());
  	Pkt.WriteByteAngle(a_Entity.GetPitch());
  	Pkt.WriteBool(a_Entity.IsOnGround());
  }
  
  
  
  
  
  void cProtocol_1_8_0::StartEncryption(const Byte * a_Key)
  {
  	m_Encryptor.Init(a_Key, a_Key);
  	m_Decryptor.Init(a_Key, a_Key);
  	m_IsEncrypted = true;
  
  	// Prepare the m_AuthServerID:
  	cSha1Checksum Checksum;
  	cServer * Server = cRoot::Get()->GetServer();
  	const AString & ServerID = Server->GetServerID();
  	Checksum.Update(reinterpret_cast<const Byte *>(ServerID.c_str()), ServerID.length());
  	Checksum.Update(a_Key, 16);
  	Checksum.Update(reinterpret_cast<const Byte *>(Server->GetPublicKeyDER().data()), Server->GetPublicKeyDER().size());
  	Byte Digest[20];
  	Checksum.Finalize(Digest);
  	cSha1Checksum::DigestToJava(Digest, m_AuthServerID);
  }
  