1 files changed, 1509 insertions, 0 deletions

diff --git a/src/Protocol/Protocol_1_12.cpp b/src/Protocol/Protocol_1_12.cpp
new file mode 100644
index 000000000..8d56a95bd
--- /dev/null
+++ b/src/Protocol/Protocol_1_12.cpp
@@ -0,0 +1,1509 @@
+
+// Protocol_1_12.cpp
+
+/*
+Implements the 1.12 protocol classes:
+- release 1.12 protocol (#335)
+*/
+
+#include "Globals.h"
+#include "Protocol_1_12.h"
+#include "ProtocolRecognizer.h"
+#include "Packetizer.h"
+
+#include "../Entities/Boat.h"
+#include "../Entities/Minecart.h"
+#include "../Entities/Pickup.h"
+#include "../Entities/Player.h"
+#include "../Entities/ItemFrame.h"
+#include "../Entities/ArrowEntity.h"
+#include "../Entities/FireworkEntity.h"
+#include "../Entities/SplashPotionEntity.h"
+
+#include "../Mobs/IncludeAllMonsters.h"
+
+#include "../Root.h"
+#include "../Server.h"
+#include "../ClientHandle.h"
+#include "../Bindings/PluginManager.h"
+
+
+
+
+
+// The disabled error is intended, since the Metadata have overlapping indexes
+// based on the type of the Entity.
+//
+// IMPORTANT: The enum is used to automate the sequential counting of the
+// Metadata indexes. Adding a new enum value causes the following values to
+// increase their index. Therefore the ordering of the enum values is VERY important!
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wduplicate-enum"
+#endif
+
+namespace Metadata
+{
+	enum Metadata_Index
+	{
+		// Entity
+		ENTITY_FLAGS,
+		ENTITY_AIR,
+		ENTITY_CUSTOM_NAME,
+		ENTITY_CUSTOM_NAME_VISIBLE,
+		ENTITY_SILENT,
+		ENTITY_NO_GRAVITY,
+		_ENTITY_NEXT,  // Used by descendants
+
+		// Potion
+		POTION_THROWN = _ENTITY_NEXT,
+
+		// FallingBlock
+		FALLING_BLOCK_POSITION = _ENTITY_NEXT,
+
+		// AreaEffectCloud
+		AREA_EFFECT_CLOUD_RADIUS = _ENTITY_NEXT,
+		AREA_EFFECT_CLOUD_COLOR,
+		AREA_EFFECT_CLOUD_SINGLE_POINT_EFFECT,
+		AREA_EFFECT_CLOUD_PARTICLE_ID,
+		AREA_EFFECT_CLOUD_PARTICLE_PARAMETER1,
+		AREA_EFFECT_CLOUD_PARTICLE_PARAMETER2,
+
+		// Arrow
+		ARROW_CRITICAL = _ENTITY_NEXT,
+		_ARROW_NEXT,
+
+		// TippedArrow
+		TIPPED_ARROW_COLOR = _ARROW_NEXT,
+
+		// Boat
+		BOAT_LAST_HIT_TIME = _ENTITY_NEXT,
+		BOAT_FORWARD_DIRECTION,
+		BOAT_DAMAGE_TAKEN,
+		BOAT_TYPE,
+		BOAT_RIGHT_PADDLE_TURNING,
+		BOAT_LEFT_PADDLE_TURNING,
+
+		// EnderCrystal
+		ENDER_CRYSTAL_BEAM_TARGET = _ENTITY_NEXT,
+		ENDER_CRYSTAL_SHOW_BOTTOM,
+
+		// Fireball
+		_FIREBALL_NEXT = _ENTITY_NEXT,
+
+		// WitherSkull
+		WITHER_SKULL_INVULNERABLE = _FIREBALL_NEXT,
+
+		// Fireworks
+		FIREWORK_INFO = _ENTITY_NEXT,
+		FIREWORK_BOOSTED_ENTITY_ID,  // 1.11.1 only
+
+		// Hanging
+		_HANGING_NEXT = _ENTITY_NEXT,
+
+		// ItemFrame
+		ITEM_FRAME_ITEM = _HANGING_NEXT,
+		ITEM_FRAME_ROTATION,
+
+		// Item
+		ITEM_ITEM = _ENTITY_NEXT,
+
+		// Living
+		LIVING_ACTIVE_HAND = _ENTITY_NEXT,
+		LIVING_HEALTH,
+		LIVING_POTION_EFFECT_COLOR,
+		LIVING_POTION_EFFECT_AMBIENT,
+		LIVING_NUMBER_OF_ARROWS,
+		_LIVING_NEXT,
+
+		// Player
+		PLAYER_ADDITIONAL_HEARTHS = _LIVING_NEXT,
+		PLAYER_SCORE,
+		PLAYER_DISPLAYED_SKIN_PARTS,
+		PLAYER_MAIN_HAND,
+
+		// ArmorStand
+		ARMOR_STAND_STATUS = _LIVING_NEXT,
+		ARMOR_STAND_HEAD_ROTATION,
+		ARMOR_STAND_BODY_ROTATION,
+		ARMOR_STAND_LEFT_ARM_ROTATION,
+		ARMOR_STAND_RIGHT_ARM_ROTATION,
+		ARMOR_STAND_LEFT_LEG_ROTATION,
+		ARMOR_STAND_RIGHT_LEG_ROTATION,
+
+		// Insentient
+		INSENTIENT_STATUS = _LIVING_NEXT,
+		_INSENTIENT_NEXT,
+
+		// Ambient
+		_AMBIENT_NEXT = _INSENTIENT_NEXT,
+
+		// Bat
+		BAT_HANGING = _AMBIENT_NEXT,
+
+		// Creature
+		_CREATURE_NEXT = _INSENTIENT_NEXT,
+
+		// Ageable
+		AGEABLE_BABY = _CREATURE_NEXT,
+		_AGEABLE_NEXT,
+
+		// PolarBear
+		POLAR_BEAR_STANDING = _AGEABLE_NEXT,
+
+		// Animal
+		_ANIMAL_NEXT = _AGEABLE_NEXT,
+
+		// Abstract horse
+		ABSTRACT_HORSE_STATUS = _ANIMAL_NEXT,
+		ABSTRACT_HORSE_OWNER,
+		_ABSTRACT_HORSE_NEXT,
+
+		// Horse
+		HORSE_VARIANT = _ABSTRACT_HORSE_NEXT,
+		HORSE_ARMOR,
+
+		// Chested horse
+		CHESTED_HORSE_CHESTED = _ABSTRACT_HORSE_NEXT,
+		_CHESTED_HORSE_NEXT,
+
+		// Llama
+		LLAMA_STRENGTH = _CHESTED_HORSE_NEXT,
+		LLAMA_CARPET_COLOR,
+		LLAMA_VARIANT,
+
+		// Pig
+		PIG_HAS_SADDLE = _ANIMAL_NEXT,
+		PIG_TOTAL_CARROT_ON_A_STICK_BOOST,  // 1.11.1 only
+
+		// Rabbit
+		RABBIT_TYPE = _ANIMAL_NEXT,
+
+		// Sheep
+		SHEEP_STATUS = _ANIMAL_NEXT,
+
+		// TameableAnimal
+		TAMEABLE_ANIMAL_STATUS = _ANIMAL_NEXT,
+		TAMEABLE_ANIMAL_OWNER,
+		_TAMEABLE_NEXT,
+
+		// Ocelot
+		OCELOT_TYPE = _TAMEABLE_NEXT,
+
+		// Wolf
+		WOLF_DAMAGE_TAKEN = _TAMEABLE_NEXT,
+		WOLF_BEGGING,
+		WOLF_COLLAR_COLOR,
+
+		// Villager
+		VILLAGER_PROFESSION = _AGEABLE_NEXT,
+
+		// Golem
+		_GOLEM_NEXT = _CREATURE_NEXT,
+
+		// IronGolem
+		IRON_GOLEM_PLAYER_CREATED = _GOLEM_NEXT,
+
+		// Shulker
+		SHULKER_FACING_DIRECTION = _GOLEM_NEXT,
+		SHULKER_ATTACHMENT_FALLING_BLOCK_POSITION,
+		SHULKER_SHIELD_HEIGHT,
+
+		// Monster
+		_MONSTER_NEXT = _CREATURE_NEXT,
+
+		// Blaze
+		BLAZE_ON_FIRE = _MONSTER_NEXT,
+
+		// Creeper
+		CREEPER_STATE = _MONSTER_NEXT,
+		CREEPER_POWERED,
+		CREEPER_IGNITED,
+
+		// Guardian
+		GUARDIAN_STATUS = _MONSTER_NEXT,
+		GUARDIAN_TARGET,
+
+		// Abstract Skeleton
+		ABSTRACT_SKELETON_ARMS_SWINGING = _MONSTER_NEXT,
+
+		// Spider
+		SPIDER_CLIMBING = _MONSTER_NEXT,
+
+		// Witch
+		WITCH_AGGRESIVE = _MONSTER_NEXT,
+
+		// Wither
+		WITHER_FIRST_HEAD_TARGET = _MONSTER_NEXT,
+		WITHER_SECOND_HEAD_TARGET,
+		WITHER_THIRD_HEAD_TARGET,
+		WITHER_INVULNERABLE_TIMER,
+
+		// Zombie
+		ZOMBIE_IS_BABY = _MONSTER_NEXT,
+		ZOMBIE_UNUSED,  // Was type
+		ZOMBIE_HANDS_RISED_UP,
+		_ZOMBIE_NEXT,
+
+		// Zombie villager
+		ZOMBIE_VILLAGER_CONVERTING = _ZOMBIE_NEXT,
+		ZOMBIE_VILLAGER_PROFESSION,
+
+		// Enderman
+		ENDERMAN_CARRIED_BLOCK = _MONSTER_NEXT,
+		ENDERMAN_SCREAMING,
+
+		// Evocation illager
+		EVOKER_SPELL = _MONSTER_NEXT,
+
+		// Vex
+		VEX_FLAGS = _MONSTER_NEXT,
+
+		// Vindication illager
+		VINDICATOR_FLAGS = _MONSTER_NEXT,
+
+		// EnderDragon
+		ENDER_DRAGON_DRAGON_PHASE = _INSENTIENT_NEXT,
+
+		// Flying
+		_FLYING_NEXT = _INSENTIENT_NEXT,
+
+		// Ghast
+		GHAST_ATTACKING = _FLYING_NEXT,
+
+		// Slime
+		SLIME_SIZE = _INSENTIENT_NEXT,
+
+		// Minecart
+		MINECART_SHAKING_POWER = _ENTITY_NEXT,
+		MINECART_SHAKING_DIRECTION,
+		MINECART_SHAKING_MULTIPLIER,
+		MINECART_BLOCK_ID_META,
+		MINECART_BLOCK_Y,
+		MINECART_SHOW_BLOCK,
+		_MINECART_NEXT,
+
+		// MinecartCommandBlock
+		MINECART_COMMAND_BLOCK_COMMAND = _MINECART_NEXT,
+		MINECART_COMMAND_BLOCK_LAST_OUTPUT,
+
+		// MinecartFurnace
+		MINECART_FURNACE_POWERED = _MINECART_NEXT,
+
+		// TNTPrimed
+		TNT_PRIMED_FUSE_TIME = _ENTITY_NEXT,
+	};
+}
+
+#ifdef __clang__
+#pragma clang diagnostic pop  // Restore ignored clang errors
+#endif
+
+
+
+
+
+#define HANDLE_READ(ByteBuf, Proc, Type, Var) \
+	Type Var; \
+	if (!ByteBuf.Proc(Var))\
+	{\
+		return;\
+	}
+
+
+
+
+
+cProtocol_1_12::cProtocol_1_12(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
+	super(a_Client, a_ServerAddress, a_ServerPort, a_State)
+{
+}
+
+
+
+
+
+void cProtocol_1_12::SendSpawnMob(const cMonster & a_Mob)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x03);  // Spawn Mob packet
+	Pkt.WriteVarInt32(a_Mob.GetUniqueID());
+	// TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
+	Pkt.WriteBEUInt64(0);
+	Pkt.WriteBEUInt64(a_Mob.GetUniqueID());
+	Pkt.WriteVarInt32(static_cast<UInt32>(a_Mob.GetMobType()));
+	Pkt.WriteBEDouble(a_Mob.GetPosX());
+	Pkt.WriteBEDouble(a_Mob.GetPosY());
+	Pkt.WriteBEDouble(a_Mob.GetPosZ());
+	Pkt.WriteByteAngle(a_Mob.GetPitch());
+	Pkt.WriteByteAngle(a_Mob.GetHeadYaw());
+	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(0xff);  // Metadata terminator
+}
+
+
+
+
+
+void cProtocol_1_12::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer)
+{
+	int BlockX, BlockY, BlockZ;
+	if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ))
+	{
+		return;
+	}
+
+	HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Face);
+	HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Hand);
+	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, CursorX);
+	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, CursorY);
+	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, CursorZ);
+	m_Client->HandleRightClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), FloorC(CursorX * 16), FloorC(CursorY * 16), FloorC(CursorZ * 16), m_Client->GetPlayer()->GetEquippedItem());
+}
+
+
+
+
+
+void cProtocol_1_12::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
+{
+	cServer * Server = cRoot::Get()->GetServer();
+	AString ServerDescription = Server->GetDescription();
+	int NumPlayers = Server->GetNumPlayers();
+	int MaxPlayers = Server->GetMaxPlayers();
+	AString Favicon = Server->GetFaviconData();
+	cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
+
+	// Version:
+	Json::Value Version;
+	Version["name"] = "Cuberite 1.12";
+	Version["protocol"] = cProtocolRecognizer::PROTO_VERSION_1_12;
+
+	// Players:
+	Json::Value Players;
+	Players["online"] = NumPlayers;
+	Players["max"] = MaxPlayers;
+	// TODO: Add "sample"
+
+	// Description:
+	Json::Value Description;
+	Description["text"] = ServerDescription.c_str();
+
+	// Create the response:
+	Json::Value ResponseValue;
+	ResponseValue["version"] = Version;
+	ResponseValue["players"] = Players;
+	ResponseValue["description"] = Description;
+	if (!Favicon.empty())
+	{
+		ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
+	}
+
+	// Serialize the response into a packet:
+	Json::FastWriter Writer;
+	cPacketizer Pkt(*this, 0x00);  // Response packet
+	Pkt.WriteString(Writer.write(ResponseValue));
+}
+
+
+
+
+
+void cProtocol_1_12::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity)
+{
+	using namespace Metadata;
+
+	// Common metadata:
+	Int8 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;
+	}
+	a_Pkt.WriteBEUInt8(ENTITY_FLAGS);  // Index
+	a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);  // Type
+	a_Pkt.WriteBEInt8(Flags);
+
+	switch (a_Entity.GetEntityType())
+	{
+		case cEntity::etPlayer:
+		{
+			auto & Player = reinterpret_cast<const cPlayer &>(a_Entity);
+
+			// TODO Set player custom name to their name.
+			// Then it's possible to move the custom name of mobs to the entities
+			// and to remove the "special" player custom name.
+			a_Pkt.WriteBEUInt8(ENTITY_CUSTOM_NAME);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING);
+			a_Pkt.WriteString(Player.GetName());
+
+			a_Pkt.WriteBEUInt8(LIVING_HEALTH);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+			a_Pkt.WriteBEFloat(static_cast<float>(Player.GetHealth()));
+
+			a_Pkt.WriteBEUInt8(PLAYER_DISPLAYED_SKIN_PARTS);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+			a_Pkt.WriteBEUInt8(static_cast<UInt8>(Player.GetSkinParts()));
+
+			a_Pkt.WriteBEUInt8(PLAYER_MAIN_HAND);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+			a_Pkt.WriteBEUInt8(static_cast<UInt8>(Player.GetMainHand()));
+			break;
+		}
+		case cEntity::etPickup:
+		{
+			a_Pkt.WriteBEUInt8(ITEM_ITEM);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+			WriteItem(a_Pkt, reinterpret_cast<const cPickup &>(a_Entity).GetItem());
+			break;
+		}
+		case cEntity::etMinecart:
+		{
+			a_Pkt.WriteBEUInt8(MINECART_SHAKING_POWER);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+
+			// The following expression makes Minecarts shake more with less health or higher damage taken
+			auto & Minecart = reinterpret_cast<const cMinecart &>(a_Entity);
+			auto maxHealth = a_Entity.GetMaxHealth();
+			auto curHealth = a_Entity.GetHealth();
+			a_Pkt.WriteVarInt32(static_cast<UInt32>((maxHealth - curHealth) * Minecart.LastDamage() * 4));
+
+			a_Pkt.WriteBEUInt8(MINECART_SHAKING_DIRECTION);  // (doesn't seem to effect anything)
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(1);
+
+			a_Pkt.WriteBEUInt8(MINECART_SHAKING_MULTIPLIER);  // or damage taken
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+			a_Pkt.WriteBEFloat(static_cast<float>(Minecart.LastDamage() + 10));
+
+			if (Minecart.GetPayload() == cMinecart::mpNone)
+			{
+				auto & RideableMinecart = reinterpret_cast<const cRideableMinecart &>(Minecart);
+				const cItem & MinecartContent = RideableMinecart.GetContent();
+				if (!MinecartContent.IsEmpty())
+				{
+					a_Pkt.WriteBEUInt8(MINECART_BLOCK_ID_META);
+					a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+					int Content = MinecartContent.m_ItemType;
+					Content |= MinecartContent.m_ItemDamage << 8;
+					a_Pkt.WriteVarInt32(static_cast<UInt32>(Content));
+
+					a_Pkt.WriteBEUInt8(MINECART_BLOCK_Y);
+					a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+					a_Pkt.WriteVarInt32(static_cast<UInt32>(RideableMinecart.GetBlockHeight()));
+
+					a_Pkt.WriteBEUInt8(MINECART_SHOW_BLOCK);
+					a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+					a_Pkt.WriteBool(true);
+				}
+			}
+			else if (Minecart.GetPayload() == cMinecart::mpFurnace)
+			{
+				a_Pkt.WriteBEUInt8(MINECART_FURNACE_POWERED);
+				a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+				a_Pkt.WriteBool(reinterpret_cast<const cMinecartWithFurnace &>(Minecart).IsFueled());
+			}
+			break;
+		}  // case etMinecart
+
+		case cEntity::etProjectile:
+		{
+			auto & Projectile = reinterpret_cast<const cProjectileEntity &>(a_Entity);
+			switch (Projectile.GetProjectileKind())
+			{
+				case cProjectileEntity::pkArrow:
+				{
+					a_Pkt.WriteBEUInt8(ARROW_CRITICAL);
+					a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+					a_Pkt.WriteBEInt8(reinterpret_cast<const cArrowEntity &>(Projectile).IsCritical() ? 1 : 0);
+					break;
+				}
+				case cProjectileEntity::pkFirework:
+				{
+					a_Pkt.WriteBEUInt8(FIREWORK_INFO);  // Firework item used for this firework
+					a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+					WriteItem(a_Pkt, reinterpret_cast<const cFireworkEntity &>(Projectile).GetItem());
+
+					// FIREWORK_BOOSTED_ENTITY_ID, in 1.11.1 only
+					break;
+				}
+				case cProjectileEntity::pkSplashPotion:
+				{
+					a_Pkt.WriteBEUInt8(POTION_THROWN);  // Potion item which was thrown
+					a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+					WriteItem(a_Pkt, reinterpret_cast<const cSplashPotionEntity &>(Projectile).GetItem());
+				}
+				default:
+				{
+					break;
+				}
+			}
+			break;
+		}  // case etProjectile
+
+		case cEntity::etMonster:
+		{
+			WriteMobMetadata(a_Pkt, reinterpret_cast<const cMonster &>(a_Entity));
+			break;
+		}
+
+		case cEntity::etBoat:
+		{
+			auto & Boat = reinterpret_cast<const cBoat &>(a_Entity);
+
+			a_Pkt.WriteBEInt8(BOAT_LAST_HIT_TIME);
+			a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetLastDamage()));
+
+			a_Pkt.WriteBEInt8(BOAT_FORWARD_DIRECTION);
+			a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetForwardDirection()));
+
+			a_Pkt.WriteBEInt8(BOAT_DAMAGE_TAKEN);
+			a_Pkt.WriteBEInt8(METADATA_TYPE_FLOAT);
+			a_Pkt.WriteBEFloat(Boat.GetDamageTaken());
+
+			a_Pkt.WriteBEInt8(BOAT_TYPE);
+			a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetMaterial()));
+
+			a_Pkt.WriteBEInt8(BOAT_RIGHT_PADDLE_TURNING);
+			a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Boat.IsRightPaddleUsed());
+
+			a_Pkt.WriteBEInt8(BOAT_LEFT_PADDLE_TURNING);
+			a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Boat.IsLeftPaddleUsed());
+
+			break;
+		}  // case etBoat
+
+		case cEntity::etItemFrame:
+		{
+			auto & Frame = reinterpret_cast<const cItemFrame &>(a_Entity);
+			a_Pkt.WriteBEUInt8(ITEM_FRAME_ITEM);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+			WriteItem(a_Pkt, Frame.GetItem());
+			a_Pkt.WriteBEUInt8(ITEM_FRAME_ROTATION);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(Frame.GetItemRotation());
+			break;
+		}  // case etItemFrame
+
+		default:
+		{
+			break;
+		}
+	}
+}
+
+
+
+
+
+void cProtocol_1_12::WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob)
+{
+	using namespace Metadata;
+
+	// Living Enitiy Metadata
+	if (a_Mob.HasCustomName())
+	{
+		// TODO: As of 1.9 _all_ entities can have custom names; should this be moved up?
+		a_Pkt.WriteBEUInt8(ENTITY_CUSTOM_NAME);
+		a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING);
+		a_Pkt.WriteString(a_Mob.GetCustomName());
+
+		a_Pkt.WriteBEUInt8(ENTITY_CUSTOM_NAME_VISIBLE);  // Custom name always visible
+		a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+		a_Pkt.WriteBool(a_Mob.IsCustomNameAlwaysVisible());
+	}
+
+	a_Pkt.WriteBEUInt8(LIVING_HEALTH);
+	a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+	a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
+
+	switch (a_Mob.GetMobType())
+	{
+		case mtBat:
+		{
+			auto & Bat = reinterpret_cast<const cBat &>(a_Mob);
+			a_Pkt.WriteBEUInt8(BAT_HANGING);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+			a_Pkt.WriteBEInt8(Bat.IsHanging() ? 1 : 0);
+			break;
+		}  // case mtBat
+
+		case mtCreeper:
+		{
+			auto & Creeper = reinterpret_cast<const cCreeper &>(a_Mob);
+			a_Pkt.WriteBEUInt8(CREEPER_STATE);  // (idle or "blowing")
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(Creeper.IsBlowing() ? 1 : static_cast<UInt32>(-1));
+
+			a_Pkt.WriteBEUInt8(CREEPER_POWERED);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Creeper.IsCharged());
+
+			a_Pkt.WriteBEUInt8(CREEPER_IGNITED);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Creeper.IsBurnedWithFlintAndSteel());
+			break;
+		}  // case mtCreeper
+
+		case mtEnderman:
+		{
+			auto & Enderman = reinterpret_cast<const cEnderman &>(a_Mob);
+			a_Pkt.WriteBEUInt8(ENDERMAN_CARRIED_BLOCK);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BLOCKID);
+			UInt32 Carried = 0;
+			Carried |= static_cast<UInt32>(Enderman.GetCarriedBlock() << 4);
+			Carried |= Enderman.GetCarriedMeta();
+			a_Pkt.WriteVarInt32(Carried);
+
+			a_Pkt.WriteBEUInt8(ENDERMAN_SCREAMING);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Enderman.IsScreaming());
+			break;
+		}  // case mtEnderman
+
+		case mtGhast:
+		{
+			auto & Ghast = reinterpret_cast<const cGhast &>(a_Mob);
+			a_Pkt.WriteBEUInt8(GHAST_ATTACKING);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Ghast.IsCharging());
+			break;
+		}  // case mtGhast
+
+		case mtHorse:
+		{
+			// XXX This behaves incorrectly with different varients; horses have different entity IDs now
+
+			// Abstract horse
+			auto & Horse = reinterpret_cast<const cHorse &>(a_Mob);
+			Int8 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(ABSTRACT_HORSE_STATUS);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+			a_Pkt.WriteBEInt8(Flags);
+
+			// This doesn't exist any more; it'll cause horses to all be the normal type
+			// a_Pkt.WriteBEUInt8(HORSE_TYPE);
+			// a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			// a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseType()));
+
+			// Regular horses
+			a_Pkt.WriteBEUInt8(HORSE_VARIANT);  // Color / style
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			int Appearance = 0;
+			Appearance = Horse.GetHorseColor();
+			Appearance |= Horse.GetHorseStyle() << 8;
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Appearance));
+
+			a_Pkt.WriteBEUInt8(HORSE_ARMOR);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseArmour()));
+
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Horse.IsBaby());
+			break;
+		}  // case mtHorse
+
+		case mtMagmaCube:
+		{
+			auto & MagmaCube = reinterpret_cast<const cMagmaCube &>(a_Mob);
+			a_Pkt.WriteBEUInt8(SLIME_SIZE);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(MagmaCube.GetSize()));
+			break;
+		}  // case mtMagmaCube
+
+		case mtOcelot:
+		{
+			auto & Ocelot = reinterpret_cast<const cOcelot &>(a_Mob);
+
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Ocelot.IsBaby());
+			break;
+		}  // case mtOcelot
+
+		case mtCow:
+		{
+			auto & Cow = reinterpret_cast<const cCow &>(a_Mob);
+
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Cow.IsBaby());
+			break;
+		}  // case mtCow
+
+		case mtChicken:
+		{
+			auto & Chicken = reinterpret_cast<const cChicken &>(a_Mob);
+
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Chicken.IsBaby());
+			break;
+		}  // case mtChicken
+
+		case mtPig:
+		{
+			auto & Pig = reinterpret_cast<const cPig &>(a_Mob);
+
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Pig.IsBaby());
+
+			a_Pkt.WriteBEUInt8(PIG_HAS_SADDLE);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Pig.IsSaddled());
+
+			// PIG_TOTAL_CARROT_ON_A_STICK_BOOST in 1.11.1 only
+			break;
+		}  // case mtPig
+
+		case mtSheep:
+		{
+			auto & Sheep = reinterpret_cast<const cSheep &>(a_Mob);
+
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Sheep.IsBaby());
+
+			a_Pkt.WriteBEUInt8(SHEEP_STATUS);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+			Int8 SheepMetadata = 0;
+			SheepMetadata = static_cast<Int8>(Sheep.GetFurColor());
+			if (Sheep.IsSheared())
+			{
+				SheepMetadata |= 0x10;
+			}
+			a_Pkt.WriteBEInt8(SheepMetadata);
+			break;
+		}  // case mtSheep
+
+		case mtRabbit:
+		{
+			auto & Rabbit = reinterpret_cast<const cRabbit &>(a_Mob);
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Rabbit.IsBaby());
+
+			a_Pkt.WriteBEUInt8(RABBIT_TYPE);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Rabbit.GetRabbitType()));
+			break;
+		}  // case mtRabbit
+
+		case mtSkeleton:
+		{
+			// XXX Skeletons are separate entities; all skeletons are currently treated as regular ones
+
+			// auto & Skeleton = reinterpret_cast<const cSkeleton &>(a_Mob);
+			// a_Pkt.WriteBEUInt8(SKELETON_TYPE);
+			// a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			// a_Pkt.WriteVarInt32(Skeleton.IsWither() ? 1 : 0);
+			break;
+		}  // case mtSkeleton
+
+		case mtSlime:
+		{
+			auto & Slime = reinterpret_cast<const cSlime &>(a_Mob);
+			a_Pkt.WriteBEUInt8(SLIME_SIZE);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Slime.GetSize()));
+			break;
+		}  // case mtSlime
+
+		case mtVillager:
+		{
+			auto & Villager = reinterpret_cast<const cVillager &>(a_Mob);
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Villager.IsBaby());
+
+			a_Pkt.WriteBEUInt8(VILLAGER_PROFESSION);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Villager.GetVilType()));
+			break;
+		}  // case mtVillager
+
+		case mtWitch:
+		{
+			auto & Witch = reinterpret_cast<const cWitch &>(a_Mob);
+			a_Pkt.WriteBEUInt8(WITCH_AGGRESIVE);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Witch.IsAngry());
+			break;
+		}  // case mtWitch
+
+		case mtWither:
+		{
+			auto & Wither = reinterpret_cast<const cWither &>(a_Mob);
+			a_Pkt.WriteBEUInt8(WITHER_INVULNERABLE_TIMER);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(Wither.GetWitherInvulnerableTicks());
+
+			// TODO: Use boss bar packet for health
+			break;
+		}  // case mtWither
+
+		case mtWolf:
+		{
+			auto & Wolf = reinterpret_cast<const cWolf &>(a_Mob);
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Wolf.IsBaby());
+
+			Int8 WolfStatus = 0;
+			if (Wolf.IsSitting())
+			{
+				WolfStatus |= 0x1;
+			}
+			if (Wolf.IsAngry())
+			{
+				WolfStatus |= 0x2;
+			}
+			if (Wolf.IsTame())
+			{
+				WolfStatus |= 0x4;
+			}
+			a_Pkt.WriteBEUInt8(TAMEABLE_ANIMAL_STATUS);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+			a_Pkt.WriteBEInt8(WolfStatus);
+
+			a_Pkt.WriteBEUInt8(WOLF_DAMAGE_TAKEN);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+			a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));  // TODO Not use the current health
+
+			a_Pkt.WriteBEUInt8(WOLF_BEGGING);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Wolf.IsBegging());
+
+			a_Pkt.WriteBEUInt8(WOLF_COLLAR_COLOR);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			a_Pkt.WriteVarInt32(static_cast<UInt32>(Wolf.GetCollarColor()));
+			break;
+		}  // case mtWolf
+
+		case mtZombie:
+		{
+			// XXX Zombies were also split into new sublcasses; this doesn't handle that.
+			auto & Zombie = reinterpret_cast<const cZombie &>(a_Mob);
+			a_Pkt.WriteBEUInt8(ZOMBIE_IS_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(Zombie.IsBaby());
+
+			// These don't exist
+			// a_Pkt.WriteBEUInt8(ZOMBIE_TYPE);
+			// a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+			// a_Pkt.WriteVarInt32(Zombie.IsVillagerZombie() ? 1 : 0);
+
+			// a_Pkt.WriteBEUInt8(ZOMBIE_CONVERTING);
+			// a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			// a_Pkt.WriteBool(Zombie.IsConverting());
+			break;
+		}  // case mtZombie
+
+		case mtZombiePigman:
+		{
+			auto & ZombiePigman = reinterpret_cast<const cZombiePigman &>(a_Mob);
+			a_Pkt.WriteBEUInt8(AGEABLE_BABY);
+			a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+			a_Pkt.WriteBool(ZombiePigman.IsBaby());
+			break;
+		}  // case mtZombiePigman
+	}  // switch (a_Mob.GetType())
+}
+
+
+
+
+
+void cProtocol_1_12::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x26);  // Entity Relative Move packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	// TODO: 1.9 changed these from chars to shorts, meaning that there can be more percision and data.  Other code needs to be updated for that.
+	Pkt.WriteBEInt16(a_RelX * 128);
+	Pkt.WriteBEInt16(a_RelY * 128);
+	Pkt.WriteBEInt16(a_RelZ * 128);
+	Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_12::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x27);  // Entity Look And Relative Move packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	// TODO: 1.9 changed these from chars to shorts, meaning that there can be more percision and data.  Other code needs to be updated for that.
+	Pkt.WriteBEInt16(a_RelX * 128);
+	Pkt.WriteBEInt16(a_RelY * 128);
+	Pkt.WriteBEInt16(a_RelZ * 128);
+	Pkt.WriteByteAngle(a_Entity.GetYaw());
+	Pkt.WriteByteAngle(a_Entity.GetPitch());
+	Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_12::SendEntityLook(const cEntity & a_Entity)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x28);  // Entity Look packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	Pkt.WriteByteAngle(a_Entity.GetYaw());
+	Pkt.WriteByteAngle(a_Entity.GetPitch());
+	Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_12::SendDestroyEntity(const cEntity & a_Entity)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x31);  // Destroy Entities packet
+	Pkt.WriteVarInt32(1);
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_12::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x32);  // Remove entity effect packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID));
+}
+
+
+
+
+
+void cProtocol_1_12::SendRespawn(eDimension a_Dimension)
+{
+	cPacketizer Pkt(*this, 0x34);  // Respawn packet
+	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_12::SendEntityHeadLook(const cEntity & a_Entity)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x35);  // Entity Head Look packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	Pkt.WriteByteAngle(a_Entity.GetHeadYaw());
+}
+
+
+
+
+
+void cProtocol_1_12::SendCameraSetTo(const cEntity & a_Entity)
+{
+	cPacketizer Pkt(*this, 0x38);  // Camera Packet (Attach the camera of a player at another entity in spectator mode)
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_12::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x3a);  // Display scoreboard packet
+	Pkt.WriteBEUInt8(static_cast<UInt8>(a_Display));
+	Pkt.WriteString(a_Objective);
+}
+
+
+
+
+
+void cProtocol_1_12::SendEntityMetadata(const cEntity & a_Entity)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x3b);  // Entity Metadata packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	WriteEntityMetadata(Pkt, a_Entity);
+	Pkt.WriteBEUInt8(0xff);  // The termination byte
+}
+
+
+
+
+
+void cProtocol_1_12::SendEntityVelocity(const cEntity & a_Entity)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x3d);  // Entity Velocity packet
+	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_12::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x3e);  // Entity Equipment packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	// Needs to be adjusted due to the insertion of offhand at slot 1
+	if (a_SlotNum > 0)
+	{
+		a_SlotNum++;
+	}
+	Pkt.WriteVarInt32(static_cast<UInt32>(a_SlotNum));
+	WriteItem(Pkt, a_Item);
+}
+
+
+
+
+
+void cProtocol_1_12::SendExperience(void)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x3f);  // Experience Packet
+	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_12::SendHealth(void)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x40);  // Update Health packet
+	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_12::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x41);  // Scoreboard objective packet
+	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_12::SendAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle)
+{
+	ASSERT(m_State == 3);  // In game mode?
+	cPacketizer Pkt(*this, 0x42);  // Set passangers packet
+	Pkt.WriteVarInt32(a_Vehicle.GetUniqueID());
+	Pkt.WriteVarInt32(1);  // 1 passenger
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_12::SendDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle)
+{
+	ASSERT(m_State == 3);  // In game mode?
+	cPacketizer Pkt(*this, 0x42);  // Set passangers packet
+	Pkt.WriteVarInt32(a_PreviousVehicle.GetUniqueID());
+	Pkt.WriteVarInt32(0);  // No passangers
+}
+
+
+
+
+
+void cProtocol_1_12::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, 0x44);  // Update score packet
+	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_12::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+{
+	// Send the Join Game packet:
+	{
+		cServer * Server = cRoot::Get()->GetServer();
+		cPacketizer Pkt(*this, 0x23);  // Join Game packet
+		Pkt.WriteBEUInt32(a_Player.GetUniqueID());
+		Pkt.WriteBEUInt8(static_cast<UInt8>(a_Player.GetEffectiveGameMode()) | (Server->IsHardcore() ? 0x08 : 0));  // Hardcore flag bit 4
+		Pkt.WriteBEInt32(static_cast<Int32>(a_World.GetDimension()));
+		Pkt.WriteBEUInt8(2);  // TODO: Difficulty (set to Normal)
+		Pkt.WriteBEUInt8(static_cast<UInt8>(Clamp<int>(Server->GetMaxPlayers(), 0, 255)));
+		Pkt.WriteString("default");  // Level type - wtf?
+		Pkt.WriteBool(false);  // Reduced Debug Info - wtf?
+	}
+
+	// Send the spawn position:
+	{
+		cPacketizer Pkt(*this, 0x45);  // Spawn Position packet
+		Pkt.WritePosition64(FloorC(a_World.GetSpawnX()), FloorC(a_World.GetSpawnY()), FloorC(a_World.GetSpawnZ()));
+	}
+
+	// Send the server difficulty:
+	{
+		cPacketizer Pkt(*this, 0x0d);  // Server difficulty packet
+		Pkt.WriteBEInt8(1);
+	}
+
+	// Send player abilities:
+	SendPlayerAbilities();
+}
+
+
+
+
+
+void cProtocol_1_12::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
+{
+	ASSERT(m_State == 3);  // In game mode?
+	if (!a_DoDaylightCycle)
+	{
+		// When writing a "-" before the number the client ignores it but it will stop the client-side time expiration.
+		a_TimeOfDay = std::min(-a_TimeOfDay, -1LL);
+	}
+
+	cPacketizer Pkt(*this, 0x46);  // Time update packet
+	Pkt.WriteBEInt64(a_WorldAge);
+	Pkt.WriteBEInt64(a_TimeOfDay);
+}
+
+
+
+
+
+void cProtocol_1_12::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x47);  // Title packet
+	Pkt.WriteVarInt32(3);  // Set title display times
+	Pkt.WriteBEInt32(a_FadeInTicks);
+	Pkt.WriteBEInt32(a_DisplayTicks);
+	Pkt.WriteBEInt32(a_FadeOutTicks);
+}
+
+
+
+
+
+void cProtocol_1_12::SendHideTitle(void)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x47);  // Title packet
+	Pkt.WriteVarInt32(4);  // Hide title
+}
+
+
+
+
+
+void cProtocol_1_12::SendResetTitle(void)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x47);  // Title packet
+	Pkt.WriteVarInt32(5);  // Reset title
+}
+
+
+
+
+
+void cProtocol_1_12::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player, int a_Count)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x4a);  // Collect Item packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	Pkt.WriteVarInt32(a_Player.GetUniqueID());
+	Pkt.WriteVarInt32(static_cast<UInt32>(a_Count));
+}
+
+
+
+
+
+void cProtocol_1_12::SendTeleportEntity(const cEntity & a_Entity)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x4b);  // Entity teleport packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	Pkt.WriteBEDouble(a_Entity.GetPosX());
+	Pkt.WriteBEDouble(a_Entity.GetPosY());
+	Pkt.WriteBEDouble(a_Entity.GetPosZ());
+	Pkt.WriteByteAngle(a_Entity.GetYaw());
+	Pkt.WriteByteAngle(a_Entity.GetPitch());
+	Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_12::SendEntityProperties(const cEntity & a_Entity)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+
+	cPacketizer Pkt(*this, 0x4d);  // Entity Properties packet
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+	WriteEntityProperties(Pkt, a_Entity);
+}
+
+
+
+
+
+void cProtocol_1_12::SendPlayerMaxSpeed(void)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x4d);  // Entity Properties
+	cPlayer * Player = m_Client->GetPlayer();
+	Pkt.WriteVarInt32(Player->GetUniqueID());
+	Pkt.WriteBEInt32(1);  // Count
+	Pkt.WriteString("generic.movementSpeed");
+	// The default game speed is 0.1, multiply that value by the relative speed:
+	Pkt.WriteBEDouble(0.1 * Player->GetNormalMaxSpeed());
+	if (Player->IsSprinting())
+	{
+		Pkt.WriteVarInt32(1);  // Modifier count
+		Pkt.WriteBEUInt64(0x662a6b8dda3e4c1c);
+		Pkt.WriteBEUInt64(0x881396ea6097278d);  // UUID of the modifier
+		Pkt.WriteBEDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed());
+		Pkt.WriteBEUInt8(2);
+	}
+	else
+	{
+		Pkt.WriteVarInt32(0);  // Modifier count
+	}
+}
+
+
+
+
+
+void cProtocol_1_12::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration)
+{
+	ASSERT(m_State == 3);  // In game mode?
+
+	cPacketizer Pkt(*this, 0x4e);  // Entity Effect packet
+	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
+}
+
+
+
+
+
+bool cProtocol_1_12::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType)
+{
+	switch (m_State)
+	{
+		case 1:
+		{
+			// Status
+			switch (a_PacketType)
+			{
+				case 0x00: HandlePacketStatusRequest(a_ByteBuffer); return true;
+				case 0x01: HandlePacketStatusPing(a_ByteBuffer); return true;
+			}
+			break;
+		}
+
+		case 2:
+		{
+			// Login
+			switch (a_PacketType)
+			{
+				case 0x00: HandlePacketLoginStart(a_ByteBuffer); return true;
+				case 0x01: HandlePacketLoginEncryptionResponse(a_ByteBuffer); return true;
+			}
+			break;
+		}
+
+		case 3:
+		{
+			// Game
+			switch (a_PacketType)
+			{
+				case 0x00: HandleConfirmTeleport(a_ByteBuffer); return true;
+				case 0x01: break;  // Prepare Crafting Grid, not yet implemented
+				case 0x02: HandlePacketTabComplete(a_ByteBuffer); return true;
+				case 0x03: HandlePacketChatMessage(a_ByteBuffer); return true;
+				case 0x04: HandlePacketClientStatus(a_ByteBuffer); return true;
+				case 0x05: HandlePacketClientSettings(a_ByteBuffer); return true;
+				case 0x06: break;  // Confirm transaction - not used in Cuberite
+				case 0x07: HandlePacketEnchantItem(a_ByteBuffer); return true;
+				case 0x08: HandlePacketWindowClick(a_ByteBuffer); return true;
+				case 0x09: HandlePacketWindowClose(a_ByteBuffer); return true;
+				case 0x0a: HandlePacketPluginMessage(a_ByteBuffer); return true;
+				case 0x0b: HandlePacketUseEntity(a_ByteBuffer); return true;
+				case 0x0c: HandlePacketKeepAlive(a_ByteBuffer); return true;
+				case 0x0d: HandlePacketPlayer(a_ByteBuffer); return true;
+				case 0x0e: HandlePacketPlayerPos(a_ByteBuffer); return true;
+				case 0x0f: HandlePacketPlayerPosLook(a_ByteBuffer); return true;
+				case 0x10: HandlePacketPlayerLook(a_ByteBuffer); return true;
+				case 0x11: HandlePacketVehicleMove(a_ByteBuffer); return true;
+				case 0x12: HandlePacketBoatSteer(a_ByteBuffer); return true;
+				case 0x13: HandlePacketPlayerAbilities(a_ByteBuffer); return true;
+				case 0x14: HandlePacketBlockDig(a_ByteBuffer); return true;
+				case 0x15: HandlePacketEntityAction(a_ByteBuffer); return true;
+				case 0x16: HandlePacketSteerVehicle(a_ByteBuffer); return true;
+				case 0x17: break;  // Crafting Book Data - not yet implemented
+				case 0x18: break;  // Resource pack status - not yet implemented
+				case 0x19: break;  // Advancement Tab - not yet implemented
+				case 0x1a: HandlePacketSlotSelect(a_ByteBuffer); return true;
+				case 0x1b: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true;
+				case 0x1c: HandlePacketUpdateSign(a_ByteBuffer); return true;
+				case 0x1d: HandlePacketAnimation(a_ByteBuffer); return true;
+				case 0x1e: HandlePacketSpectate(a_ByteBuffer); return true;
+				case 0x1f: HandlePacketBlockPlace(a_ByteBuffer); return true;
+				case 0x20: HandlePacketUseItem(a_ByteBuffer); return true;
+			}
+			break;
+		}
+		default:
+		{
+			// Received a packet in an unknown state, report:
+			LOGWARNING("Received a packet in an unknown protocol state %d. Ignoring further packets.", m_State);
+
+			// Cannot kick the client - we don't know this state and thus the packet number for the kick packet
+
+			// Switch to a state when all further packets are silently ignored:
+			m_State = 255;
+			return false;
+		}
+		case 255:
+		{
+			// This is the state used for "not processing packets anymore" when we receive a bad packet from a client.
+			// Do not output anything (the caller will do that for us), just return failure
+			return false;
+		}
+	}  // switch (m_State)
+
+	// Unknown packet type, report to the ClientHandle:
+	m_Client->PacketUnknown(a_PacketType);
+	return false;
+}