// Protocol_1_13.cpp
/*
Implements the 1.13 protocol classes:
- release 1.13 protocol (#393)
- release 1.13.1 protocol (#401)
- release 1.13.2 protocol (#404)
*/
#include "Globals.h"
#include "Protocol_1_13.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 "../ClientHandle.h"
#include "../Root.h"
#include "../Server.h"
#include "../World.h"
#include "../JsonUtils.h"
#include "../Bindings/PluginManager.h"
#include "Palettes/Palette_1_13.h"
#include "Palettes/Palette_1_13_1.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)
////////////////////////////////////////////////////////////////////////////////
// cProtocol_1_13:
void cProtocol_1_13::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
SendBlockChange<&Palette_1_13::FromBlock>(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);
}
template <auto Palette>
void cProtocol_1_13::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(Palette(PaletteUpgrade::FromBlock(a_BlockType, a_BlockMeta)));
}
void cProtocol_1_13::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
{
SendBlockChanges<&Palette_1_13::FromBlock>(a_ChunkX, a_ChunkZ, a_Changes);
}
void cProtocol_1_13::SendMapData(const cMap & a_Map, int a_DataStartX, int a_DataStartY)
{
// TODO
}
void cProtocol_1_13::SendPaintingSpawn(const cPainting & a_Painting)
{
// TODO
}
void cProtocol_1_13::SendParticleEffect(const AString & a_ParticleName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data)
{
// This packet is unchanged since 1.8
// However we are hardcoding a string-to-id mapping inside there
// TODO: make a virtual enum-to-id mapping
}
void cProtocol_1_13::SendPluginMessage(const AString & a_Channel, const AString & a_Message)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktPluginMessage);
Pkt.WriteString(a_Channel);
Pkt.WriteString(a_Message);
}
void cProtocol_1_13::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
{
// TODO
}
void cProtocol_1_13::SendStatistics(const cStatManager & a_Manager)
{
ASSERT(m_State == 3); // In game mode?
UInt32 Size = 0;
a_Manager.ForEachStatisticType([this, &Size](const auto & Store)
{
for (const auto & Item : Store)
{
// Client balks at out-of-range values so there is no good default value
// We're forced to not send the statistics this protocol version doesn't support
if (GetProtocolStatisticType(Item.first) != static_cast<UInt32>(-1))
{
Size++;
}
}
});
// No need to check Size != 0
// Assume that the vast majority of the time there's at least one statistic to send
cPacketizer Pkt(*this, pktStatistics);
Pkt.WriteVarInt32(Size);
a_Manager.ForEachStatisticType([this, &Pkt](const cStatManager::CustomStore & Store)
{
for (const auto & Item : Store)
{
const auto ID = GetProtocolStatisticType(Item.first);
if (ID == static_cast<UInt32>(-1))
{
// Unsupported, don't send:
continue;
}
Pkt.WriteVarInt32(8); // "Custom" category
Pkt.WriteVarInt32(ID);
Pkt.WriteVarInt32(static_cast<UInt32>(Item.second));
}
});
}
void cProtocol_1_13::SendTabCompletionResults(const AStringVector & a_Results)
{
// TODO
}
void cProtocol_1_13::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktUpdateBlockEntity);
Pkt.WriteXYZPosition64(a_BlockEntity.GetPosX(), a_BlockEntity.GetPosY(), a_BlockEntity.GetPosZ());
Byte Action = 0;
switch (a_BlockEntity.GetBlockType())
{
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_CONDUIT: Action = 5; break; // Update Conduit entity
case E_BLOCK_STANDING_BANNER:
case E_BLOCK_WALL_BANNER: Action = 6; break; // Update banner entity
// case structure tile entity: Action = 7; break; // Update Structure tile entity
case E_BLOCK_END_GATEWAY: Action = 8; break; // Update destination for a end gateway entity
case E_BLOCK_SIGN_POST: Action = 9; break; // Update sign entity
// case E_BLOCK_SHULKER_BOX: Action = 10; break; // sets shulker box - not used just here if anyone is confused from reading the protocol wiki
case E_BLOCK_BED: Action = 11; break; // Update bed color
default: ASSERT(!"Unhandled or unimplemented BlockEntity update request!"); break;
}
Pkt.WriteBEUInt8(Action);
WriteBlockEntity(Pkt, a_BlockEntity);
}
bool cProtocol_1_13::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType)
{
if (m_State != 3)
{
return Super::HandlePacket(a_ByteBuffer, a_PacketType);
}
// Game
switch (a_PacketType)
{
case 0x00: HandleConfirmTeleport(a_ByteBuffer); return true;
case 0x05: HandlePacketTabComplete(a_ByteBuffer); return true;
case 0x02: HandlePacketChatMessage(a_ByteBuffer); return true;
case 0x03: HandlePacketClientStatus(a_ByteBuffer); return true;
case 0x04: 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 0x0d: HandlePacketUseEntity(a_ByteBuffer); return true;
case 0x0e: HandlePacketKeepAlive(a_ByteBuffer); return true;
case 0x0f: HandlePacketPlayer(a_ByteBuffer); return true;
case 0x10: HandlePacketPlayerPos(a_ByteBuffer); return true;
case 0x11: HandlePacketPlayerPosLook(a_ByteBuffer); return true;
case 0x12: HandlePacketPlayerLook(a_ByteBuffer); return true;
case 0x13: HandlePacketVehicleMove(a_ByteBuffer); return true;
case 0x14: HandlePacketBoatSteer(a_ByteBuffer); return true;
case 0x15: break; // Pick item - not yet implemented
case 0x16: break; // Craft Recipe Request - not yet implemented
case 0x17: HandlePacketPlayerAbilities(a_ByteBuffer); return true;
case 0x18: HandlePacketBlockDig(a_ByteBuffer); return true;
case 0x19: HandlePacketEntityAction(a_ByteBuffer); return true;
case 0x1a: HandlePacketSteerVehicle(a_ByteBuffer); return true;
case 0x1b: HandlePacketCraftingBookData(a_ByteBuffer); return true;
case 0x1d: break; // Resource pack status - not yet implemented
case 0x1e: HandlePacketAdvancementTab(a_ByteBuffer); return true;
case 0x20: HandlePacketSetBeaconEffect(a_ByteBuffer); return true;
case 0x21: HandlePacketSlotSelect(a_ByteBuffer); return true;
case 0x24: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true;
case 0x26: HandlePacketUpdateSign(a_ByteBuffer); return true;
case 0x27: HandlePacketAnimation(a_ByteBuffer); return true;
case 0x28: HandlePacketSpectate(a_ByteBuffer); return true;
case 0x29: HandlePacketBlockPlace(a_ByteBuffer); return true;
case 0x2a: HandlePacketUseItem(a_ByteBuffer); return true;
}
return Super::HandlePacket(a_ByteBuffer, a_PacketType);
}
void cProtocol_1_13::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, 15) == "minecraft:brand")
{
HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Brand);
m_Client->SetClientBrand(Brand);
// Send back our brand, including the length:
SendPluginMessage("minecraft:brand", "Cuberite");
return;
}
// Read the plugin message and relay to clienthandle:
AString Data;
VERIFY(a_ByteBuffer.ReadString(Data, a_ByteBuffer.GetReadableSpace() - 1)); // Always succeeds
m_Client->HandlePluginMessage(Channel, Data);
}
void cProtocol_1_13::HandlePacketSetBeaconEffect(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadVarInt32, UInt32, Effect1);
HANDLE_READ(a_ByteBuffer, ReadVarInt32, UInt32, Effect2);
m_Client->HandleBeaconSelection(Effect1, Effect2);
}
cProtocol::Version cProtocol_1_13::GetProtocolVersion()
{
return Version::Version_1_13;
}
UInt32 cProtocol_1_13::GetPacketID(ePacketType a_PacketType)
{
switch (a_PacketType)
{
case pktAttachEntity: return 0x46;
case pktBlockChanges: return 0x0f;
case pktCameraSetTo: return 0x3c;
case pktChatRaw: return 0x0e;
case pktCollectEntity: return 0x4f;
case pktDestroyEntity: return 0x35;
case pktDisconnectDuringGame: return 0x1b;
case pktEditSign: return 0x2c;
case pktEntityEffect: return 0x53;
case pktEntityEquipment: return 0x42;
case pktEntityHeadLook: return 0x39;
case pktEntityLook: return 0x2a;
case pktEntityMeta: return 0x3f;
case pktEntityProperties: return 0x52;
case pktEntityRelMove: return 0x28;
case pktEntityRelMoveLook: return 0x29;
case pktEntityStatus: return 0x1c;
case pktEntityVelocity: return 0x41;
case pktExperience: return 0x43;
case pktExplosion: return 0x1e;
case pktGameMode: return 0x20;
case pktHeldItemChange: return 0x3d;
case pktInventorySlot: return 0x17;
case pktJoinGame: return 0x25;
case pktKeepAlive: return 0x21;
case pktLeashEntity: return 0x40;
case pktMapData: return 0x26;
case pktParticleEffect: return 0x24;
case pktPlayerAbilities: return 0x2e;
case pktPlayerList: return 0x30;
case pktPlayerMaxSpeed: return 0x52;
case pktPlayerMoveLook: return 0x32;
case pktPluginMessage: return 0x19;
case pktRemoveEntityEffect: return 0x36;
case pktRespawn: return 0x38;
case pktScoreboardObjective: return 0x45;
case pktSoundEffect: return 0x1a;
case pktSoundParticleEffect: return 0x23;
case pktSpawnPosition: return 0x49;
case pktTabCompletionResults: return 0x10;
case pktTeleportEntity: return 0x50;
case pktTimeUpdate: return 0x4a;
case pktTitle: return 0x4b;
case pktUnloadChunk: return 0x1f;
case pktUnlockRecipe: return 0x32;
case pktUpdateHealth: return 0x44;
case pktUpdateScore: return 0x48;
case pktUpdateSign: return GetPacketID(pktUpdateBlockEntity);
case pktUseBed: return 0x33;
case pktWindowClose: return 0x13;
case pktWindowItems: return 0x15;
case pktWindowOpen: return 0x14;
case pktWindowProperty: return 0x16;
default: return Super::GetPacketID(a_PacketType);
}
}
UInt32 cProtocol_1_13::GetProtocolMobType(eMonsterType a_MobType)
{
switch (a_MobType)
{
// Map invalid type to Giant for easy debugging (if this ever spawns, something has gone very wrong)
case mtInvalidType: return 27;
case mtBat: return 3;
case mtBlaze: return 4;
case mtCaveSpider: return 6;
case mtChicken: return 7;
case mtCow: return 9;
case mtCreeper: return 10;
case mtEnderDragon: return 17;
case mtEnderman: return 18;
case mtGhast: return 26;
case mtGiant: return 27;
case mtGuardian: return 28;
case mtHorse: return 29;
case mtIronGolem: return 80;
case mtMagmaCube: return 38;
case mtMooshroom: return 47;
case mtOcelot: return 48;
case mtPig: return 51;
case mtRabbit: return 56;
case mtSheep: return 58;
case mtSilverfish: return 61;
case mtSkeleton: return 62;
case mtSlime: return 64;
case mtSnowGolem: return 66;
case mtSpider: return 69;
case mtSquid: return 70;
case mtVillager: return 79;
case mtWitch: return 82;
case mtWither: return 83;
case mtWitherSkeleton: return 84;
case mtWolf: return 86;
case mtZombie: return 87;
case mtZombiePigman: return 53;
case mtZombieVillager: return 89;
}
UNREACHABLE("Unsupported mob type");
}
UInt8 cProtocol_1_13::GetEntityMetadataID(eEntityMetadata a_Metadata)
{
const UInt8 Entity = 6;
const UInt8 Living = Entity + 5;
const UInt8 Insentient = Living + 1;
const UInt8 Ageable = Insentient + 1;
const UInt8 AbstractHorse = Ageable + 2;
const UInt8 ChestedHorse = AbstractHorse + 1;
const UInt8 TameableAnimal = Ageable + 2;
const UInt8 Minecart = Entity + 6;
switch (a_Metadata)
{
case eEntityMetadata::EntityFlags: return 0;
case eEntityMetadata::EntityAir: return 1;
case eEntityMetadata::EntityCustomName: return 2;
case eEntityMetadata::EntityCustomNameVisible: return 3;
case eEntityMetadata::EntitySilent: return 4;
case eEntityMetadata::EntityNoGravity: return 5;
case eEntityMetadata::PotionThrown: return Entity;
case eEntityMetadata::FallingBlockPosition: return Entity;
case eEntityMetadata::AreaEffectCloudRadius: return Entity;
case eEntityMetadata::AreaEffectCloudColor: return Entity + 1;
case eEntityMetadata::AreaEffectCloudSinglePointEffect: return Entity + 2;
case eEntityMetadata::AreaEffectCloudParticleId: return Entity + 3;
case eEntityMetadata::ArrowFlags: return Entity;
case eEntityMetadata::TippedArrowColor: return Entity + 1;
case eEntityMetadata::BoatLastHitTime: return Entity;
case eEntityMetadata::BoatForwardDirection: return Entity + 1;
case eEntityMetadata::BoatDamageTaken: return Entity + 2;
case eEntityMetadata::BoatType: return Entity + 3;
case eEntityMetadata::BoatLeftPaddleTurning: return Entity + 4;
case eEntityMetadata::BoatRightPaddleTurning: return Entity + 5;
case eEntityMetadata::BoatSplashTimer: return Entity + 6;
case eEntityMetadata::EnderCrystalBeamTarget: return Entity;
case eEntityMetadata::EnderCrystalShowBottom: return Entity + 1;
case eEntityMetadata::WitherSkullInvulnerable: return Entity;
case eEntityMetadata::FireworkInfo: return Entity;
case eEntityMetadata::FireworkBoostedEntityId: return Entity + 1;
case eEntityMetadata::ItemFrameItem: return Entity;
case eEntityMetadata::ItemFrameRotation: return Entity + 1;
case eEntityMetadata::ItemItem: return Entity;
case eEntityMetadata::LivingActiveHand: return Entity;
case eEntityMetadata::LivingHealth: return Entity + 1;
case eEntityMetadata::LivingPotionEffectColor: return Entity + 2;
case eEntityMetadata::LivingPotionEffectAmbient: return Entity + 3;
case eEntityMetadata::LivingNumberOfArrows: return Entity + 4;
case eEntityMetadata::PlayerAdditionalHearts: return Living;
case eEntityMetadata::PlayerScore: return Living + 1;
case eEntityMetadata::PlayerDisplayedSkinParts: return Living + 2;
case eEntityMetadata::PlayerMainHand: return Living + 3;
case eEntityMetadata::ArmorStandStatus: return Living;
case eEntityMetadata::ArmorStandHeadRotation: return Living + 1;
case eEntityMetadata::ArmorStandBodyRotation: return Living + 2;
case eEntityMetadata::ArmorStandLeftArmRotation: return Living + 3;
case eEntityMetadata::ArmorStandRightArmRotation: return Living + 4;
case eEntityMetadata::ArmorStandLeftLegRotation: return Living + 5;
case eEntityMetadata::ArmorStandRightLegRotation: return Living + 6;
case eEntityMetadata::InsentientFlags: return Living;
case eEntityMetadata::BatHanging: return Insentient;
case eEntityMetadata::AgeableIsBaby: return Insentient;
case eEntityMetadata::AbstractHorseFlags: return Ageable;
case eEntityMetadata::AbstractHorseOwner: return Ageable + 1;
case eEntityMetadata::HorseVariant: return AbstractHorse;
case eEntityMetadata::HorseArmour: return AbstractHorse + 1;
case eEntityMetadata::ChestedHorseChested: return AbstractHorse;
case eEntityMetadata::LlamaStrength: return ChestedHorse;
case eEntityMetadata::LlamaCarpetColor: return ChestedHorse + 1;
case eEntityMetadata::LlamaVariant: return ChestedHorse + 2;
case eEntityMetadata::PigHasSaddle: return Ageable;
case eEntityMetadata::PigTotalCarrotOnAStickBoost: return Ageable + 1;
case eEntityMetadata::RabbitType: return Ageable;
case eEntityMetadata::PolarBearStanding: return Ageable;
case eEntityMetadata::SheepFlags: return Ageable;
case eEntityMetadata::TameableAnimalFlags: return Ageable;
case eEntityMetadata::TameableAnimalOwner: return Ageable + 1;
case eEntityMetadata::OcelotType: return TameableAnimal;
case eEntityMetadata::WolfDamageTaken: return TameableAnimal;
case eEntityMetadata::WolfBegging: return TameableAnimal + 1;
case eEntityMetadata::WolfCollarColour: return TameableAnimal + 2;
case eEntityMetadata::VillagerProfession: return Ageable;
case eEntityMetadata::IronGolemPlayerCreated: return Insentient;
case eEntityMetadata::ShulkerFacingDirection: return Insentient;
case eEntityMetadata::ShulkerAttachmentFallingBlockPosition: return Insentient + 1;
case eEntityMetadata::ShulkerShieldHeight: return Insentient + 2;
case eEntityMetadata::BlazeOnFire: return Insentient;
case eEntityMetadata::CreeperState: return Insentient;
case eEntityMetadata::CreeperPowered: return Insentient + 1;
case eEntityMetadata::CreeperIgnited: return Insentient + 2;
case eEntityMetadata::GuardianStatus: return Insentient;
case eEntityMetadata::GuardianTarget: return Insentient + 1;
case eEntityMetadata::IllagerFlags: return Insentient;
case eEntityMetadata::SpeIlagerSpell: return Insentient + 1;
case eEntityMetadata::VexFlags: return Insentient;
case eEntityMetadata::SpiderClimbing: return Insentient;
case eEntityMetadata::WitchAggresive: return Insentient;
case eEntityMetadata::WitherFirstHeadTarget: return Insentient;
case eEntityMetadata::WitherSecondHeadTarget: return Insentient + 1;
case eEntityMetadata::WitherThirdHeadTarget: return Insentient + 2;
case eEntityMetadata::WitherInvulnerableTimer: return Insentient + 3;
case eEntityMetadata::ZombieIsBaby: return Insentient;
case eEntityMetadata::ZombieHandsRisedUp: return Insentient + 2;
case eEntityMetadata::ZombieVillagerConverting: return Insentient + 4;
case eEntityMetadata::ZombieVillagerProfession: return Insentient + 5;
case eEntityMetadata::EndermanCarriedBlock: return Insentient;
case eEntityMetadata::EndermanScreaming: return Insentient + 1;
case eEntityMetadata::EnderDragonDragonPhase: return Insentient;
case eEntityMetadata::GhastAttacking: return Insentient;
case eEntityMetadata::SlimeSize: return Insentient;
case eEntityMetadata::MinecartShakingPower: return Entity;
case eEntityMetadata::MinecartShakingDirection: return Entity + 1;
case eEntityMetadata::MinecartShakingMultiplier: return Entity + 2;
case eEntityMetadata::MinecartBlockIDMeta: return Entity + 3;
case eEntityMetadata::MinecartBlockY: return Entity + 4;
case eEntityMetadata::MinecartShowBlock: return Entity + 5;
case eEntityMetadata::MinecartCommandBlockCommand: return Minecart;
case eEntityMetadata::MinecartCommandBlockLastOutput: return Minecart + 1;
case eEntityMetadata::MinecartFurnacePowered: return Minecart;
case eEntityMetadata::TNTPrimedFuseTime: return Entity;
case eEntityMetadata::EntityPose:
case eEntityMetadata::AreaEffectCloudParticleParameter1:
case eEntityMetadata::AreaEffectCloudParticleParameter2:
case eEntityMetadata::AbstractSkeletonArmsSwinging:
case eEntityMetadata::ZombieUnusedWasType: break;
}
UNREACHABLE("Retrieved invalid metadata for protocol");
}
UInt8 cProtocol_1_13::GetEntityMetadataID(eEntityMetadataType a_FieldType)
{
switch (a_FieldType)
{
case eEntityMetadataType::Byte: return 0;
case eEntityMetadataType::VarInt: return 1;
case eEntityMetadataType::Float: return 2;
case eEntityMetadataType::String: return 3;
case eEntityMetadataType::Chat: return 4;
case eEntityMetadataType::OptChat: return 5;
case eEntityMetadataType::Item: return 6;
case eEntityMetadataType::Boolean: return 7;
case eEntityMetadataType::Rotation: return 8;
case eEntityMetadataType::Position: return 9;
case eEntityMetadataType::OptPosition: return 10;
case eEntityMetadataType::Direction: return 11;
case eEntityMetadataType::OptUUID: return 12;
case eEntityMetadataType::OptBlockID: return 13;
case eEntityMetadataType::NBT: return 14;
case eEntityMetadataType::Particle: return 15;
case eEntityMetadataType::VillagerData: return 16;
case eEntityMetadataType::OptVarInt: return 17;
case eEntityMetadataType::Pose: return 18;
}
UNREACHABLE("Translated invalid metadata type for protocol");
}
std::pair<short, short> cProtocol_1_13::GetItemFromProtocolID(UInt32 a_ProtocolID)
{
return PaletteUpgrade::ToItem(Palette_1_13::ToItem(a_ProtocolID));
}
UInt32 cProtocol_1_13::GetProtocolIDFromItem(short a_ItemID, short a_ItemDamage)
{
return Palette_1_13::FromItem(PaletteUpgrade::FromItem(a_ItemID, a_ItemDamage));
}
UInt32 cProtocol_1_13::GetProtocolStatisticType(Statistic a_Statistic)
{
return Palette_1_13::From(a_Statistic);
}
bool cProtocol_1_13::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes)
{
HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemID);
if (ItemID == -1)
{
// The item is empty, no more data follows
a_Item.Empty();
return true;
}
const auto Translated = GetItemFromProtocolID(ItemID);
a_Item.m_ItemType = Translated.first;
a_Item.m_ItemDamage = Translated.second;
HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt8, Int8, ItemCount);
a_Item.m_ItemCount = ItemCount;
if (ItemCount <= 0)
{
a_Item.Empty();
}
AString Metadata;
if (!a_ByteBuffer.ReadString(Metadata, a_ByteBuffer.GetReadableSpace() - a_KeepRemainingBytes - 1) || (Metadata.size() == 0) || (Metadata[0] == 0))
{
// No metadata
return true;
}
ParseItemMetadata(a_Item, Metadata);
return true;
}
void cProtocol_1_13::WriteItem(cPacketizer & a_Pkt, const cItem & a_Item)
{
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;
}
// Normal item
a_Pkt.WriteBEInt16(GetProtocolIDFromItem(a_Item.m_ItemType, a_Item.m_ItemDamage));
a_Pkt.WriteBEInt8(a_Item.m_ItemCount);
// TODO: NBT
a_Pkt.WriteBEInt8(0);
}
void cProtocol_1_13::WriteEntityMetadata(cPacketizer & a_Pkt, const eEntityMetadata a_Metadata, const eEntityMetadataType a_FieldType)
{
a_Pkt.WriteBEUInt8(GetEntityMetadataID(a_Metadata)); // Index
a_Pkt.WriteBEUInt8(GetEntityMetadataID(a_FieldType)); // Type
}
void cProtocol_1_13::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity)
{
// 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;
}
WriteEntityMetadata(a_Pkt, eEntityMetadata::EntityFlags, eEntityMetadataType::Byte);
a_Pkt.WriteBEInt8(Flags);
switch (a_Entity.GetEntityType())
{
case cEntity::etPlayer:
{
auto & Player = static_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.
WriteEntityMetadata(a_Pkt, eEntityMetadata::EntityCustomName, eEntityMetadataType::String);
a_Pkt.WriteString(Player.GetName());
WriteEntityMetadata(a_Pkt, eEntityMetadata::LivingHealth, eEntityMetadataType::Float);
a_Pkt.WriteBEFloat(static_cast<float>(Player.GetHealth()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::PlayerDisplayedSkinParts, eEntityMetadataType::Byte);
a_Pkt.WriteBEUInt8(static_cast<UInt8>(Player.GetSkinParts()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::PlayerMainHand, eEntityMetadataType::Byte);
a_Pkt.WriteBEUInt8(static_cast<UInt8>(Player.GetMainHand()));
break;
}
case cEntity::etPickup:
{
WriteEntityMetadata(a_Pkt, eEntityMetadata::ItemItem, eEntityMetadataType::Item);
WriteItem(a_Pkt, static_cast<const cPickup &>(a_Entity).GetItem());
break;
}
case cEntity::etMinecart:
{
WriteEntityMetadata(a_Pkt, eEntityMetadata::MinecartShakingPower, eEntityMetadataType::VarInt);
// The following expression makes Minecarts shake more with less health or higher damage taken
auto & Minecart = static_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));
WriteEntityMetadata(a_Pkt, eEntityMetadata::MinecartShakingDirection, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(1); // (doesn't seem to effect anything)
WriteEntityMetadata(a_Pkt, eEntityMetadata::MinecartShakingMultiplier, eEntityMetadataType::Float);
a_Pkt.WriteBEFloat(static_cast<float>(Minecart.LastDamage() + 10)); // or damage taken
if (Minecart.GetPayload() == cMinecart::mpNone)
{
auto & RideableMinecart = static_cast<const cRideableMinecart &>(Minecart);
const cItem & MinecartContent = RideableMinecart.GetContent();
if (!MinecartContent.IsEmpty())
{
WriteEntityMetadata(a_Pkt, eEntityMetadata::MinecartBlockIDMeta, eEntityMetadataType::VarInt);
int Content = MinecartContent.m_ItemType;
Content |= MinecartContent.m_ItemDamage << 8;
a_Pkt.WriteVarInt32(static_cast<UInt32>(Content));
WriteEntityMetadata(a_Pkt, eEntityMetadata::MinecartBlockY, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(RideableMinecart.GetBlockHeight()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::MinecartShowBlock, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(true);
}
}
else if (Minecart.GetPayload() == cMinecart::mpFurnace)
{
WriteEntityMetadata(a_Pkt, eEntityMetadata::MinecartFurnacePowered, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(static_cast<const cMinecartWithFurnace &>(Minecart).IsFueled());
}
break;
} // case etMinecart
case cEntity::etProjectile:
{
auto & Projectile = static_cast<const cProjectileEntity &>(a_Entity);
switch (Projectile.GetProjectileKind())
{
case cProjectileEntity::pkArrow:
{
WriteEntityMetadata(a_Pkt, eEntityMetadata::ArrowFlags, eEntityMetadataType::Byte);
a_Pkt.WriteBEInt8(static_cast<const cArrowEntity &>(Projectile).IsCritical() ? 1 : 0);
break;
}
case cProjectileEntity::pkFirework:
{
// TODO
break;
}
case cProjectileEntity::pkSplashPotion:
{
// TODO
}
default:
{
break;
}
}
break;
} // case etProjectile
case cEntity::etMonster:
{
WriteMobMetadata(a_Pkt, static_cast<const cMonster &>(a_Entity));
break;
}
case cEntity::etBoat:
{
auto & Boat = static_cast<const cBoat &>(a_Entity);
WriteEntityMetadata(a_Pkt, eEntityMetadata::BoatLastHitTime, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetLastDamage()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::BoatForwardDirection, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetForwardDirection()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::BoatDamageTaken, eEntityMetadataType::Float);
a_Pkt.WriteBEFloat(Boat.GetDamageTaken());
WriteEntityMetadata(a_Pkt, eEntityMetadata::BoatType, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetMaterial()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::BoatRightPaddleTurning, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Boat.IsRightPaddleUsed());
WriteEntityMetadata(a_Pkt, eEntityMetadata::BoatLeftPaddleTurning, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(static_cast<bool>(Boat.IsLeftPaddleUsed()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::BoatSplashTimer, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(0);
break;
} // case etBoat
case cEntity::etItemFrame:
{
// TODO
break;
} // case etItemFrame
default:
{
break;
}
}
}
void cProtocol_1_13::WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob)
{
// Living Enitiy Metadata
if (a_Mob.HasCustomName())
{
// TODO: As of 1.9 _all_ entities can have custom names; should this be moved up?
WriteEntityMetadata(a_Pkt, eEntityMetadata::EntityCustomName, eEntityMetadataType::OptChat);
a_Pkt.WriteBool(true);
a_Pkt.WriteString(a_Mob.GetCustomName());
WriteEntityMetadata(a_Pkt, eEntityMetadata::EntityCustomNameVisible, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(a_Mob.IsCustomNameAlwaysVisible());
}
WriteEntityMetadata(a_Pkt, eEntityMetadata::LivingHealth, eEntityMetadataType::Float);
a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
switch (a_Mob.GetMobType())
{
case mtBat:
{
auto & Bat = static_cast<const cBat &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::BatHanging, eEntityMetadataType::Byte);
a_Pkt.WriteBEInt8(Bat.IsHanging() ? 1 : 0);
break;
} // case mtBat
case mtChicken:
{
auto & Chicken = static_cast<const cChicken &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Chicken.IsBaby());
break;
} // case mtChicken
case mtCow:
{
auto & Cow = static_cast<const cCow &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Cow.IsBaby());
break;
} // case mtCow
case mtCreeper:
{
auto & Creeper = static_cast<const cCreeper &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::CreeperState, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(Creeper.IsBlowing() ? 1 : static_cast<UInt32>(-1)); // (idle or "blowing")
WriteEntityMetadata(a_Pkt, eEntityMetadata::CreeperPowered, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Creeper.IsCharged());
WriteEntityMetadata(a_Pkt, eEntityMetadata::CreeperIgnited, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Creeper.IsBurnedWithFlintAndSteel());
break;
} // case mtCreeper
case mtEnderman:
{
auto & Enderman = static_cast<const cEnderman &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::EndermanCarriedBlock, eEntityMetadataType::OptBlockID);
UInt32 Carried = 0;
Carried |= static_cast<UInt32>(Enderman.GetCarriedBlock() << 4);
Carried |= Enderman.GetCarriedMeta();
a_Pkt.WriteVarInt32(Carried);
WriteEntityMetadata(a_Pkt, eEntityMetadata::EndermanScreaming, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Enderman.IsScreaming());
break;
} // case mtEnderman
case mtGhast:
{
auto & Ghast = static_cast<const cGhast &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::GhastAttacking, eEntityMetadataType::Boolean);
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 = static_cast<const cHorse &>(a_Mob);
Int8 Flags = 0;
if (Horse.IsTame())
{
Flags |= 0x02;
}
if (Horse.IsSaddled())
{
Flags |= 0x04;
}
if (Horse.IsInLoveCooldown())
{
Flags |= 0x08;
}
if (Horse.IsEating())
{
Flags |= 0x10;
}
if (Horse.IsRearing())
{
Flags |= 0x20;
}
if (Horse.IsMthOpen())
{
Flags |= 0x40;
}
WriteEntityMetadata(a_Pkt, eEntityMetadata::AbstractHorseFlags, eEntityMetadataType::Byte);
a_Pkt.WriteBEInt8(Flags);
// Regular horses
int Appearance = 0;
Appearance = Horse.GetHorseColor();
Appearance |= Horse.GetHorseStyle() << 8;
WriteEntityMetadata(a_Pkt, eEntityMetadata::HorseVariant, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Appearance)); // Color / style
WriteEntityMetadata(a_Pkt, eEntityMetadata::HorseArmour, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseArmour()));
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Horse.IsBaby());
break;
} // case mtHorse
case mtMagmaCube:
{
auto & MagmaCube = static_cast<const cMagmaCube &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::SlimeSize, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(MagmaCube.GetSize()));
break;
} // case mtMagmaCube
case mtOcelot:
{
auto & Ocelot = static_cast<const cOcelot &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Ocelot.IsBaby());
Int8 OcelotStatus = 0;
if (Ocelot.IsSitting())
{
OcelotStatus |= 0x1;
}
if (Ocelot.IsTame())
{
OcelotStatus |= 0x4;
}
WriteEntityMetadata(a_Pkt, eEntityMetadata::TameableAnimalFlags, eEntityMetadataType::Byte);
a_Pkt.WriteBEInt8(OcelotStatus);
WriteEntityMetadata(a_Pkt, eEntityMetadata::OcelotType, eEntityMetadataType::Byte);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Ocelot.GetOcelotType()));
break;
} // case mtOcelot
case mtPig:
{
auto & Pig = static_cast<const cPig &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Pig.IsBaby());
WriteEntityMetadata(a_Pkt, eEntityMetadata::PigHasSaddle, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Pig.IsSaddled());
// PIG_TOTAL_CARROT_ON_A_STICK_BOOST in 1.11.1 only
break;
} // case mtPig
case mtRabbit:
{
auto & Rabbit = static_cast<const cRabbit &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Rabbit.IsBaby());
WriteEntityMetadata(a_Pkt, eEntityMetadata::RabbitType, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Rabbit.GetRabbitType()));
break;
} // case mtRabbit
case mtSheep:
{
auto & Sheep = static_cast<const cSheep &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Sheep.IsBaby());
Int8 SheepMetadata = 0;
SheepMetadata = static_cast<Int8>(Sheep.GetFurColor());
if (Sheep.IsSheared())
{
SheepMetadata |= 0x10;
}
WriteEntityMetadata(a_Pkt, eEntityMetadata::SheepFlags, eEntityMetadataType::Byte);
a_Pkt.WriteBEInt8(SheepMetadata);
break;
} // case mtSheep
case mtSlime:
{
auto & Slime = static_cast<const cSlime &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::SlimeSize, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Slime.GetSize()));
break;
} // case mtSlime
case mtVillager:
{
auto & Villager = static_cast<const cVillager &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Villager.IsBaby());
WriteEntityMetadata(a_Pkt, eEntityMetadata::VillagerProfession, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Villager.GetVilType()));
break;
} // case mtVillager
case mtWitch:
{
auto & Witch = static_cast<const cWitch &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::WitchAggresive, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Witch.IsAngry());
break;
} // case mtWitch
case mtWither:
{
auto & Wither = static_cast<const cWither &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::WitherInvulnerableTimer, eEntityMetadataType::VarInt);
a_Pkt.WriteVarInt32(Wither.GetWitherInvulnerableTicks());
// TODO: Use boss bar packet for health
break;
} // case mtWither
case mtWolf:
{
auto & Wolf = static_cast<const cWolf &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Wolf.IsBaby());
Int8 WolfStatus = 0;
if (Wolf.IsSitting())
{
WolfStatus |= 0x1;
}
if (Wolf.IsAngry())
{
WolfStatus |= 0x2;
}
if (Wolf.IsTame())
{
WolfStatus |= 0x4;
}
WriteEntityMetadata(a_Pkt, eEntityMetadata::TameableAnimalFlags, eEntityMetadataType::Byte);
a_Pkt.WriteBEInt8(WolfStatus);
WriteEntityMetadata(a_Pkt, eEntityMetadata::WolfDamageTaken, eEntityMetadataType::Float);
a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth())); // TODO Not use the current health
WriteEntityMetadata(a_Pkt, eEntityMetadata::WolfBegging, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Wolf.IsBegging());
WriteEntityMetadata(a_Pkt, eEntityMetadata::WolfCollarColour, eEntityMetadataType::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 = static_cast<const cZombie &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::ZombieIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(Zombie.IsBaby());
break;
} // case mtZombie
case mtZombiePigman:
{
auto & ZombiePigman = static_cast<const cZombiePigman &>(a_Mob);
WriteEntityMetadata(a_Pkt, eEntityMetadata::AgeableIsBaby, eEntityMetadataType::Boolean);
a_Pkt.WriteBool(ZombiePigman.IsBaby());
break;
} // case mtZombiePigman
case mtBlaze:
case mtEnderDragon:
case mtGuardian:
case mtIronGolem:
case mtSnowGolem:
case mtSpider:
case mtZombieVillager:
{
// TODO: Mobs with extra fields that aren't implemented
break;
}
case mtMooshroom:
case mtCaveSpider:
{
// Not mentioned on http://wiki.vg/Entities
break;
}
case mtGiant:
case mtSilverfish:
case mtSkeleton:
case mtSquid:
case mtWitherSkeleton:
{
// Mobs with no extra fields
break;
}
case mtInvalidType:
{
ASSERT(!"cProtocol_1_13::WriteMobMetadata: Recieved mob of invalid type");
break;
}
} // switch (a_Mob.GetType())
}
////////////////////////////////////////////////////////////////////////////////
// cProtocol_1_13_1:
void cProtocol_1_13_1::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
Super::SendBlockChange<&Palette_1_13_1::FromBlock>(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);
}
void cProtocol_1_13_1::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
{
Super::SendBlockChanges<&Palette_1_13_1::FromBlock>(a_ChunkX, a_ChunkZ, a_Changes);
}
cProtocol::Version cProtocol_1_13_1::GetProtocolVersion()
{
return Version::Version_1_13_1;
}
std::pair<short, short> cProtocol_1_13_1::GetItemFromProtocolID(UInt32 a_ProtocolID)
{
return PaletteUpgrade::ToItem(Palette_1_13_1::ToItem(a_ProtocolID));
}
UInt32 cProtocol_1_13_1::GetProtocolIDFromItem(short a_ItemID, short a_ItemDamage)
{
return Palette_1_13_1::FromItem(PaletteUpgrade::FromItem(a_ItemID, a_ItemDamage));
}
UInt32 cProtocol_1_13_1::GetProtocolStatisticType(Statistic a_Statistic)
{
return Palette_1_13_1::From(a_Statistic);
}
////////////////////////////////////////////////////////////////////////////////
// cProtocol_1_13_2:
cProtocol::Version cProtocol_1_13_2::GetProtocolVersion()
{
return Version::Version_1_13_2;
}
bool cProtocol_1_13_2::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes)
{
HANDLE_PACKET_READ(a_ByteBuffer, ReadBool, bool, Present);
if (!Present)
{
// The item is empty, no more data follows
a_Item.Empty();
return true;
}
HANDLE_PACKET_READ(a_ByteBuffer, ReadVarInt32, UInt32, ItemID);
const auto Translated = GetItemFromProtocolID(ItemID);
a_Item.m_ItemType = Translated.first;
a_Item.m_ItemDamage = Translated.second;
HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt8, Int8, ItemCount);
a_Item.m_ItemCount = ItemCount;
if (ItemCount <= 0)
{
a_Item.Empty();
}
AString Metadata;
if (!a_ByteBuffer.ReadString(Metadata, a_ByteBuffer.GetReadableSpace() - a_KeepRemainingBytes - 1) || (Metadata.size() == 0) || (Metadata[0] == 0))
{
// No metadata
return true;
}
ParseItemMetadata(a_Item, Metadata);
return true;
}
void cProtocol_1_13_2::WriteItem(cPacketizer & a_Pkt, const cItem & a_Item)
{
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.WriteBool(false);
return;
}
// Item present
a_Pkt.WriteBool(true);
// Normal item
a_Pkt.WriteVarInt32(GetProtocolIDFromItem(a_Item.m_ItemType, a_Item.m_ItemDamage));
a_Pkt.WriteBEInt8(a_Item.m_ItemCount);
// TODO: NBT
a_Pkt.WriteBEInt8(0);
}
