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cuberite-2a/src/Protocol/Protocol_1_9.cpp

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// Protocol_1_9.cpp
/*
Implements the 1.9 protocol classes:
- cProtocol_1_9_0
- release 1.9 protocol (#107)
- cProtocol_1_9_1
- release 1.9.1 protocol (#108)
- cProtocol_1_9_2
- release 1.9.2 protocol (#109)
- cProtocol_1_9_4
- release 1.9.4 protocol (#110)
*/
#include "Globals.h"
#include "json/json.h"
#include "Protocol_1_9.h"
#include "ChunkDataSerializer.h"
#include "../mbedTLS++/Sha1Checksum.h"
#include "Packetizer.h"
#include "../ClientHandle.h"
#include "../Root.h"
#include "../Server.h"
#include "../World.h"
#include "../StringCompression.h"
#include "../CompositeChat.h"
#include "../Statistics.h"
#include "../JsonUtils.h"
#include "../WorldStorage/FastNBT.h"
#include "../Entities/ExpOrb.h"
#include "../Entities/Minecart.h"
#include "../Entities/FallingBlock.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 "../Entities/SplashPotionEntity.h"
#include "../Items/ItemSpawnEgg.h"
#include "../Mobs/IncludeAllMonsters.h"
#include "../UI/HorseWindow.h"
#include "../BlockEntities/BeaconEntity.h"
#include "../BlockEntities/CommandBlockEntity.h"
#include "../BlockEntities/MobHeadEntity.h"
#include "../BlockEntities/MobSpawnerEntity.h"
#include "../BlockEntities/FlowerPotEntity.h"
#include "../Bindings/PluginManager.h"
/** Value for main hand in Hand parameter for Protocol 1.9. */
static const UInt32 MAIN_HAND = 0;
static const UInt32 OFF_HAND = 1;
#define HANDLE_READ(ByteBuf, Proc, Type, Var) \
Type Var; \
do { \
if (!ByteBuf.Proc(Var))\
{\
return;\
} \
} while (false)
////////////////////////////////////////////////////////////////////////////////
// cProtocol_1_9_0:
cProtocol_1_9_0::cProtocol_1_9_0(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
Super(a_Client, a_ServerAddress, a_ServerPort, a_State),
m_IsTeleportIdConfirmed(true),
m_OutstandingTeleportId(0)
{
}
void cProtocol_1_9_0::SendAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktAttachEntity);
Pkt.WriteVarInt32(a_Vehicle.GetUniqueID());
Pkt.WriteVarInt32(1); // 1 passenger
Pkt.WriteVarInt32(a_Entity.GetUniqueID());
}
void cProtocol_1_9_0::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
{
ASSERT(m_State == 3); // In game mode?
// Serialize first, before creating the Packetizer (the packetizer locks a CS)
// This contains the flags and bitmasks, too
const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_9_0, a_ChunkX, a_ChunkZ, {});
cCSLock Lock(m_CSPacket);
SendData(ChunkData.data(), ChunkData.size());
}
void cProtocol_1_9_0::SendDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktAttachEntity);
Pkt.WriteVarInt32(a_PreviousVehicle.GetUniqueID());
Pkt.WriteVarInt32(0); // No passangers
}
void cProtocol_1_9_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());
// 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_9_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(0xff); // The termination byte
}
void cProtocol_1_9_0::SendEntityPosition(const cEntity & a_Entity)
{
ASSERT(m_State == 3); // In game mode?
const auto Delta = (a_Entity.GetPosition() - a_Entity.GetLastSentPosition()) * 32 * 128;
// Limitations of a short
static const auto Max = std::numeric_limits<Int16>::max();
if ((std::abs(Delta.x) <= Max) && (std::abs(Delta.y) <= Max) && (std::abs(Delta.z) <= Max))
{
const auto Move = static_cast<Vector3<Int16>>(Delta);
// Difference within limitations, use a relative move packet
if (a_Entity.IsOrientationDirty())
{
cPacketizer Pkt(*this, pktEntityRelMoveLook);
Pkt.WriteVarInt32(a_Entity.GetUniqueID());
Pkt.WriteBEInt16(Move.x);
Pkt.WriteBEInt16(Move.y);
Pkt.WriteBEInt16(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.WriteBEInt16(Move.x);
Pkt.WriteBEInt16(Move.y);
Pkt.WriteBEInt16(Move.z);
Pkt.WriteBool(a_Entity.IsOnGround());
}
return;
}
// Too big a movement, do a teleport
cPacketizer Pkt(*this, pktTeleportEntity);
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_9_0::SendEntityStatus(const cEntity & a_Entity, char a_Status)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktEntityStatus);
Pkt.WriteBEUInt32(a_Entity.GetUniqueID());
Pkt.WriteBEInt8(a_Status);
}
void cProtocol_1_9_0::SendExperienceOrb(const cExpOrb & a_ExpOrb)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktSpawnExperienceOrb);
Pkt.WriteVarInt32(a_ExpOrb.GetUniqueID());
Pkt.WriteBEDouble(a_ExpOrb.GetPosX());
Pkt.WriteBEDouble(a_ExpOrb.GetPosY());
Pkt.WriteBEDouble(a_ExpOrb.GetPosZ());
Pkt.WriteBEInt16(static_cast<Int16>(a_ExpOrb.GetReward()));
}
void cProtocol_1_9_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)
{
LOG("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_9_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());
}
void cProtocol_1_9_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); // Unleash a_Entity
}
void cProtocol_1_9_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());
// 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_Painting.GetUniqueID());
Pkt.WriteString(a_Painting.GetName().c_str());
Pkt.WritePosition64(static_cast<Int32>(PosX), static_cast<Int32>(PosY), static_cast<Int32>(PosZ));
Pkt.WriteBEInt8(static_cast<Int8>(a_Painting.GetProtocolFacing()));
}
void cProtocol_1_9_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.WriteBool(true);
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_9_0::SendPlayerMaxSpeed(void)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktPlayerMaxSpeed);
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_9_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);
Pkt.WriteVarInt32(++m_OutstandingTeleportId);
// This teleport ID hasn't been confirmed yet
m_IsTeleportIdConfirmed = false;
}
void cProtocol_1_9_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.WriteBEDouble(LastSentPos.x);
Pkt.WriteBEDouble(LastSentPos.y + 0.001); // The "+ 0.001" is there because otherwise the player falls through the block they were standing on.
Pkt.WriteBEDouble(LastSentPos.z);
Pkt.WriteByteAngle(a_Player.GetYaw());
Pkt.WriteByteAngle(a_Player.GetPitch());
WriteEntityMetadata(Pkt, a_Player);
Pkt.WriteBEUInt8(0xff); // Metadata: end
}
void cProtocol_1_9_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.WriteVarInt32(0); // Master sound category (may want to be changed to a parameter later)
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_9_0::SendSpawnMob(const cMonster & a_Mob)
{
ASSERT(m_State == 3); // In game mode?
cPacketizer Pkt(*this, pktSpawnMob);
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.WriteBEUInt8(static_cast<Byte>(GetProtocolMobType(a_Mob.GetMobType())));
Vector3d LastSentPos = a_Mob.GetLastSentPosition();
Pkt.WriteBEDouble(LastSentPos.x);
Pkt.WriteBEDouble(LastSentPos.y);
Pkt.WriteBEDouble(LastSentPos.z);
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_9_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.WriteBEDouble(a_BlockX);
Pkt.WriteBEDouble(a_BlockY);
Pkt.WriteBEDouble(a_BlockZ);
}
void cProtocol_1_9_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);
}
UInt32 cProtocol_1_9_0::GetPacketID(cProtocol::ePacketType a_Packet)
{
switch (a_Packet)
{
case pktAttachEntity: return 0x40;
case pktBlockAction: return 0x0a;
case pktBlockBreakAnim: return 0x08;
case pktBlockChange: return 0x0b;
case pktBlockChanges: return 0x10;
case pktCameraSetTo: return 0x36;
case pktChatRaw: return 0x0f;
case pktCollectEntity: return 0x49;
case pktDestroyEntity: return 0x30;
case pktDifficulty: return 0x0d;
case pktDisconnectDuringGame: return 0x1a;
case pktDisconnectDuringLogin: return 0x0;
case pktDisplayObjective: return 0x38;
case pktEditSign: return 0x2a;
case pktEncryptionRequest: return 0x01;
case pktEntityAnimation: return 0x06;
case pktEntityEffect: return 0x4c;
case pktEntityEquipment: return 0x3c;
case pktEntityHeadLook: return 0x34;
case pktEntityLook: return 0x27;
case pktEntityMeta: return 0x39;
case pktEntityProperties: return 0x4b;
case pktEntityRelMove: return 0x25;
case pktEntityRelMoveLook: return 0x26;
case pktEntityStatus: return 0x1b;
case pktEntityVelocity: return 0x3b;
case pktExperience: return 0x3d;
case pktExplosion: return 0x1c;
case pktGameMode: return 0x1e;
case pktHeldItemChange: return 0x37;
case pktInventorySlot: return 0x16;
case pktJoinGame: return 0x23;
case pktKeepAlive: return 0x1f;
case pktLeashEntity: return 0x3a;
case pktLoginSuccess: return 0x02;
case pktMapData: return 0x24;
case pktParticleEffect: return 0x22;
case pktPingResponse: return 0x01;
case pktPlayerAbilities: return 0x2b;
case pktPlayerList: return 0x2d;
case pktPlayerMaxSpeed: return 0x4b;
case pktPlayerMoveLook: return 0x2e;
case pktPluginMessage: return 0x18;
case pktRemoveEntityEffect: return 0x31;
case pktResourcePack: return 0x32;
case pktRespawn: return 0x33;
case pktScoreboardObjective: return 0x3f;
case pktSpawnExperienceOrb: return 0x01;
case pktSpawnGlobalEntity: return 0x02;
case pktSpawnObject: return 0x00;
case pktSpawnOtherPlayer: return 0x05;
case pktSpawnPainting: return 0x04;
case pktSpawnPosition: return 0x43;
case pktSoundEffect: return 0x19;
case pktSoundParticleEffect: return 0x21;
case pktSpawnMob: return 0x03;
case pktStartCompression: return 0x03;
case pktStatistics: return 0x07;
case pktStatusResponse: return 0x00;
case pktTabCompletionResults: return 0x0e;
case pktTeleportEntity: return 0x4a;
case pktTimeUpdate: return 0x44;
case pktTitle: return 0x45;
case pktUnloadChunk: return 0x1d;
case pktUpdateBlockEntity: return 0x09;
case pktUpdateHealth: return 0x3e;
case pktUpdateScore: return 0x42;
case pktUpdateSign: return 0x46;
case pktUseBed: return 0x2f;
case pktWeather: return 0x1e;
case pktWindowClose: return 0x12;
case pktWindowItems: return 0x14;
case pktWindowOpen: return 0x13;
case pktWindowProperty: return 0x15;
}
UNREACHABLE("Unsupported outgoing packet type");
}
bool cProtocol_1_9_0::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: 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 0x05: break; // Confirm transaction - not used in MCS
case 0x06: HandlePacketEnchantItem (a_ByteBuffer); return true;
case 0x07: HandlePacketWindowClick (a_ByteBuffer); return true;
case 0x08: HandlePacketWindowClose (a_ByteBuffer); return true;
case 0x09: HandlePacketPluginMessage (a_ByteBuffer); return true;
case 0x0a: HandlePacketUseEntity (a_ByteBuffer); return true;
case 0x0b: HandlePacketKeepAlive (a_ByteBuffer); return true;
case 0x0c: HandlePacketPlayerPos (a_ByteBuffer); return true;
case 0x0d: HandlePacketPlayerPosLook (a_ByteBuffer); return true;
case 0x0e: HandlePacketPlayerLook (a_ByteBuffer); return true;
case 0x0f: HandlePacketPlayer (a_ByteBuffer); return true;
case 0x10: HandlePacketVehicleMove (a_ByteBuffer); return true;
case 0x11: HandlePacketBoatSteer (a_ByteBuffer); return true;
case 0x12: HandlePacketPlayerAbilities (a_ByteBuffer); return true;
case 0x13: HandlePacketBlockDig (a_ByteBuffer); return true;
case 0x14: HandlePacketEntityAction (a_ByteBuffer); return true;
case 0x15: HandlePacketSteerVehicle (a_ByteBuffer); return true;
case 0x16: HandlePacketResourcePackStatus (a_ByteBuffer); return true;
case 0x17: HandlePacketSlotSelect (a_ByteBuffer); return true;
case 0x18: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true;
case 0x19: HandlePacketUpdateSign (a_ByteBuffer); return true;
case 0x1a: HandlePacketAnimation (a_ByteBuffer); return true;
case 0x1b: HandlePacketSpectate (a_ByteBuffer); return true;
case 0x1c: HandlePacketBlockPlace (a_ByteBuffer); return true;
case 0x1d: 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;
}
void cProtocol_1_9_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;
Version["name"] = "Cuberite 1.9";
Version["protocol"] = 107;
// 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;
m_Client->ForgeAugmentServerListPing(ResponseValue);
if (!Favicon.empty())
{
ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
}
auto Response = JsonUtils::WriteFastString(ResponseValue);
cPacketizer Pkt(*this, pktStatusResponse);
Pkt.WriteString(Response);
}
void cProtocol_1_9_0::HandlePacketAnimation(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Hand);
m_Client->HandleAnimation(0); // Packet exists solely for arm-swing notification
}
void cProtocol_1_9_0::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Status);
int BlockX, BlockY, BlockZ;
if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ))
{
return;
}
HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Face);
m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), Status);
}
void cProtocol_1_9_0::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, ReadBEUInt8, UInt8, CursorX);
HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorY);
HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorZ);
m_Client->HandleRightClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), CursorX, CursorY, CursorZ, HandIntToEnum(Hand));
}
void cProtocol_1_9_0::HandlePacketBoatSteer(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadBool, bool, RightPaddle);
HANDLE_READ(a_ByteBuffer, ReadBool, bool, LeftPaddle);
// Get the players vehicle
cPlayer * Player = m_Client->GetPlayer();
cEntity * Vehicle = Player->GetAttached();
if (Vehicle)
{
if (Vehicle->GetEntityType() == cEntity::etBoat)
{
auto * Boat = static_cast<cBoat *>(Vehicle);
Boat->UpdatePaddles(RightPaddle, LeftPaddle);
}
}
}
void cProtocol_1_9_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);
HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, MainHand);
m_Client->SetLocale(Locale);
m_Client->SetViewDistance(ViewDistance);
m_Client->GetPlayer()->SetSkinParts(SkinParts);
m_Client->GetPlayer()->SetMainHand(static_cast<eMainHand>(MainHand));
// TODO: Handle chat flags and chat colors
}
void cProtocol_1_9_0::HandleConfirmTeleport(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadVarInt32, UInt32, TeleportID);
// Can we stop throwing away incoming player position packets?
if (TeleportID == m_OutstandingTeleportId)
{
m_IsTeleportIdConfirmed = true;
}
}
void cProtocol_1_9_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);
switch (Action)
{
case 0: m_Client->HandleEntityCrouch(PlayerID, true); break; // Crouch
case 1: m_Client->HandleEntityCrouch(PlayerID, false); break; // Uncrouch
case 2: m_Client->HandleEntityLeaveBed(PlayerID); break; // Leave Bed
case 3: m_Client->HandleEntitySprinting(PlayerID, true); break; // Start sprinting
case 4: m_Client->HandleEntitySprinting(PlayerID, false); break; // Stop sprinting
case 7: m_Client->HandleOpenHorseInventory(PlayerID); break; // Open horse inventory
}
}
void cProtocol_1_9_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);
if (m_IsTeleportIdConfirmed)
{
m_Client->HandlePlayerPos(PosX, PosY, PosZ, PosY + (m_Client->GetPlayer()->IsCrouched() ? 1.54 : 1.62), IsOnGround);
}
}
void cProtocol_1_9_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);
if (m_IsTeleportIdConfirmed)
{
m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, PosY + 1.62, Yaw, Pitch, IsOnGround);
}
}
void cProtocol_1_9_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)
{
// TODO: Handle vehicle jump (for animals)
}
else
{
m_Client->HandleSteerVehicle(Forward, Sideways);
}
}
void cProtocol_1_9_0::HandlePacketTabComplete(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Text);
HANDLE_READ(a_ByteBuffer, ReadBool, bool, AssumeCommand);
HANDLE_READ(a_ByteBuffer, ReadBool, bool, HasPosition);
if (HasPosition)
{
HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Position);
}
m_Client->HandleTabCompletion(Text);
}
void cProtocol_1_9_0::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer)
{
int BlockX, BlockY, BlockZ;
if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ))
{
return;
}
AString Lines[4];
for (int i = 0; i < 4; i++)
{
HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line);
Lines[i] = Line;
}
m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Lines[0], Lines[1], Lines[2], Lines[3]);
}
void cProtocol_1_9_0::HandlePacketUseEntity(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, EntityID);
HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Type);
switch (Type)
{
case 0:
{
HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Hand);
if (Hand == MAIN_HAND) // TODO: implement handling of off-hand actions; ignore them for now to avoid processing actions twice
{
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);
HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Hand);
// TODO: Do anything
break;
}
default:
{
ASSERT(!"Unhandled use entity type!");
return;
}
}
}
void cProtocol_1_9_0::HandlePacketUseItem(cByteBuffer & a_ByteBuffer)
{
HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Hand);
m_Client->HandleUseItem(HandIntToEnum(Hand));
}
void cProtocol_1_9_0::HandlePacketVehicleMove(cByteBuffer & a_ByteBuffer)
{
// This handles updating the vehicles location server side
HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, xPos);
HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, yPos);
HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, zPos);
HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, yaw);
HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, pitch);
// Get the players vehicle
cEntity * Vehicle = m_Client->GetPlayer()->GetAttached();
if (Vehicle)
{
Vehicle->SetPosX(xPos);
Vehicle->SetPosY(yPos);
Vehicle->SetPosZ(zPos);
Vehicle->SetYaw(yaw);
Vehicle->SetPitch(pitch);
}
}
void cProtocol_1_9_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, ReadVarInt32, UInt32, 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_9_0::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
{
// Parse into NBT:
cParsedNBT NBT(a_Metadata.data(), a_Metadata.size());
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
{
a_Item.m_LoreTable.clear();
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));
}
else if (TagName == "EntityTag")
{
for (int entitytag = NBT.GetFirstChild(tag); entitytag >= 0; entitytag = NBT.GetNextSibling(entitytag))
{
if ((NBT.GetType(entitytag) == TAG_String) && (NBT.GetName(entitytag) == "id"))
{
AString NBTName = NBT.GetString(entitytag);
ReplaceString(NBTName, "minecraft:", "");
eMonsterType MonsterType = cMonster::StringToMobType(NBTName);
a_Item.m_ItemDamage = static_cast<short>(GetProtocolMobType(MonsterType));
}
}
}
break;
}
case TAG_Int:
{
if (TagName == "RepairCost")
{
a_Item.m_RepairCost = NBT.GetInt(tag);
}
break;
}
case TAG_String:
{
if (TagName == "Potion")
{
AString PotionEffect = NBT.GetString(tag);
if (PotionEffect.find("minecraft:") == AString::npos)
{
LOGD("Unknown or missing domain on potion effect name %s!", PotionEffect.c_str());
continue;
}
if (PotionEffect.find("empty") != AString::npos)
{
a_Item.m_ItemDamage = 0;
}
else if (PotionEffect.find("mundane") != AString::npos)
{
a_Item.m_ItemDamage = 64;
}
else if (PotionEffect.find("thick") != AString::npos)
{
a_Item.m_ItemDamage = 32;
}
else if (PotionEffect.find("awkward") != AString::npos)
{
a_Item.m_ItemDamage = 16;
}
else if (PotionEffect.find("regeneration") != AString::npos)
{
a_Item.m_ItemDamage = 1;
}
else if (PotionEffect.find("swiftness") != AString::npos)
{
a_Item.m_ItemDamage = 2;
}
else if (PotionEffect.find("fire_resistance") != AString::npos)
{
a_Item.m_ItemDamage = 3;
}
else if (PotionEffect.find("poison") != AString::npos)
{
a_Item.m_ItemDamage = 4;
}
else if (PotionEffect.find("healing") != AString::npos)
{
a_Item.m_ItemDamage = 5;
}
else if (PotionEffect.find("night_vision") != AString::npos)
{
a_Item.m_ItemDamage = 6;
}
else if (PotionEffect.find("weakness") != AString::npos)
{
a_Item.m_ItemDamage = 8;
}
else if (PotionEffect.find("strength") != AString::npos)
{
a_Item.m_ItemDamage = 9;
}
else if (PotionEffect.find("slowness") != AString::npos)
{
a_Item.m_ItemDamage = 10;
}
else if (PotionEffect.find("leaping") != AString::npos)
{
a_Item.m_ItemDamage = 11;
}
else if (PotionEffect.find("harming") != AString::npos)
{
a_Item.m_ItemDamage = 12;
}
else if (PotionEffect.find("water_breathing") != AString::npos)
{
a_Item.m_ItemDamage = 13;
}
else if (PotionEffect.find("invisibility") != AString::npos)
{
a_Item.m_ItemDamage = 14;
}
else if (PotionEffect.find("water") != AString::npos)
{
a_Item.m_ItemDamage = 0;
// Water bottles shouldn't have other bits set on them; exit early.
continue;
}
else
{
// Note: luck potions are not handled and will reach this location
LOGD("Unknown potion type for effect name %s!", PotionEffect.c_str());
continue;
}
if (PotionEffect.find("strong") != AString::npos)
{
a_Item.m_ItemDamage |= 0x20;
}
if (PotionEffect.find("long") != AString::npos)
{
a_Item.m_ItemDamage |= 0x40;
}
// Ugly special case with the changed splash potion ID in 1.9
if ((a_Item.m_ItemType == 438) || (a_Item.m_ItemType == 441))
{
// Splash or lingering potions - change the ID to the normal one and mark as splash potions
a_Item.m_ItemType = E_ITEM_POTION;
a_Item.m_ItemDamage |= 0x4000; // Is splash potion
}
else
{
a_Item.m_ItemDamage |= 0x2000; // Is drinkable
}
}
break;
}
default: LOGD("Unimplemented NBT data when parsing!"); break;
}
}
}
eBlockFace cProtocol_1_9_0::FaceIntToBlockFace(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;
}
}
eHand cProtocol_1_9_0::HandIntToEnum(Int32 a_Hand)
{
// Convert hand parameter into eHand enum
switch (a_Hand)
{
case MAIN_HAND: return eHand::hMain;
case OFF_HAND: return eHand::hOff;
default:
{
ASSERT(!"Unknown hand value");
return eHand::hMain;
}
}
}
void cProtocol_1_9_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());
// 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_Entity.GetUniqueID());
Pkt.WriteBEUInt8(a_ObjectType);
Pkt.WriteBEDouble(a_Entity.GetPosX());
Pkt.WriteBEDouble(a_Entity.GetPosY());
Pkt.WriteBEDouble(a_Entity.GetPosZ());
Pkt.WriteByteAngle(a_Entity.GetPitch());
Pkt.WriteByteAngle(a_Entity.GetYaw());
Pkt.WriteBEInt32(a_ObjectData);
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_9_0::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;
}
if ((ItemType == E_ITEM_POTION) && ((a_Item.m_ItemDamage & 0x4000) != 0))
{
// Ugly special case for splash potion ids which changed in 1.9; this can be removed when the new 1.9 ids are implemented
a_Pkt.WriteBEInt16(438); // minecraft:splash_potion
}
else
{
// Normal item
a_Pkt.WriteBEInt16(ItemType);
}
a_Pkt.WriteBEInt8(a_Item.m_ItemCount);
if ((ItemType == E_ITEM_POTION) || (ItemType == E_ITEM_SPAWN_EGG))
{
// These items lost their metadata; if it is sent they don't render correctly.
a_Pkt.WriteBEInt16(0);
}
else
{
a_Pkt.WriteBEInt16(a_Item.m_ItemDamage);
}
if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (ItemType != E_ITEM_FIREWORK_ROCKET) && (ItemType != E_ITEM_FIREWORK_STAR) && !a_Item.m_ItemColor.IsValid() && (ItemType != E_ITEM_POTION) && (ItemType != E_ITEM_SPAWN_EGG))
{
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.c_str());
}
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));
}
if (a_Item.m_ItemType == E_ITEM_POTION)
{
// 1.9 potions use a different format. In the future (when only 1.9+ is supported) this should be its own class
AString PotionID = "empty"; // Fallback of "Uncraftable potion" for unhandled cases
cEntityEffect::eType Type = cEntityEffect::GetPotionEffectType(a_Item.m_ItemDamage);
if (Type != cEntityEffect::effNoEffect)
{
switch (Type)
{
case cEntityEffect::effRegeneration: PotionID = "regeneration"; break;
case cEntityEffect::effSpeed: PotionID = "swiftness"; break;
case cEntityEffect::effFireResistance: PotionID = "fire_resistance"; break;
case cEntityEffect::effPoison: PotionID = "poison"; break;
case cEntityEffect::effInstantHealth: PotionID = "healing"; break;
case cEntityEffect::effNightVision: PotionID = "night_vision"; break;
case cEntityEffect::effWeakness: PotionID = "weakness"; break;
case cEntityEffect::effStrength: PotionID = "strength"; break;
case cEntityEffect::effSlowness: PotionID = "slowness"; break;
case cEntityEffect::effJumpBoost: PotionID = "leaping"; break;
case cEntityEffect::effInstantDamage: PotionID = "harming"; break;
case cEntityEffect::effWaterBreathing: PotionID = "water_breathing"; break;
case cEntityEffect::effInvisibility: PotionID = "invisibility"; break;
default: ASSERT(!"Unknown potion effect"); break;
}
if (cEntityEffect::GetPotionEffectIntensity(a_Item.m_ItemDamage) == 1)
{
PotionID = "strong_" + PotionID;
}
else if (a_Item.m_ItemDamage & 0x40)
{
// Extended potion bit
PotionID = "long_" + PotionID;
}
}
else
{
// Empty potions: Water bottles and other base ones
if (a_Item.m_ItemDamage == 0)
{
// No other bits set; thus it's a water bottle
PotionID = "water";
}
else
{
switch (a_Item.m_ItemDamage & 0x3f)
{
case 0x00: PotionID = "mundane"; break;
case 0x10: PotionID = "awkward"; break;
case 0x20: PotionID = "thick"; break;
}
// Default cases will use "empty" from before.
}
}
PotionID = "minecraft:" + PotionID;
Writer.AddString("Potion", PotionID.c_str());
}
if (a_Item.m_ItemType == E_ITEM_SPAWN_EGG)
{
// Convert entity ID to the name.
eMonsterType MonsterType = cItemSpawnEggHandler::ItemDamageToMonsterType(a_Item.m_ItemDamage);
if (MonsterType != eMonsterType::mtInvalidType)
{
Writer.BeginCompound("EntityTag");
Writer.AddString("id", "minecraft:" + cMonster::MobTypeToVanillaNBT(MonsterType));
Writer.EndCompound();
}
}
Writer.Finish();
AString Result = Writer.GetResult();
if (Result.size() == 0)
{
a_Pkt.WriteBEInt8(0);
return;
}
a_Pkt.WriteBuf(Result.data(), Result.size());
}
void cProtocol_1_9_0::WriteBlockEntity(cPacketizer & a_Pkt, const cBlockEntity & a_BlockEntity)
{
cFastNBTWriter Writer;
switch (a_BlockEntity.GetBlockType())
{
case E_BLOCK_BEACON:
{
auto & BeaconEntity = static_cast<const cBeaconEntity &>(a_BlockEntity);
Writer.AddInt("x", BeaconEntity.GetPosX());
Writer.AddInt("y", BeaconEntity.GetPosY());
Writer.AddInt("z", BeaconEntity.GetPosZ());
Writer.AddInt("Primary", BeaconEntity.GetPrimaryEffect());
Writer.AddInt("Secondary", BeaconEntity.GetSecondaryEffect());
Writer.AddInt("Levels", BeaconEntity.GetBeaconLevel());
Writer.AddString("id", "Beacon"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
break;
}
case E_BLOCK_COMMAND_BLOCK:
{
auto & CommandBlockEntity = static_cast<const cCommandBlockEntity &>(a_BlockEntity);
Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this
Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult());
Writer.AddInt("x", CommandBlockEntity.GetPosX());
Writer.AddInt("y", CommandBlockEntity.GetPosY());
Writer.AddInt("z", CommandBlockEntity.GetPosZ());
Writer.AddString("Command", CommandBlockEntity.GetCommand().c_str());
// 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?)
Writer.AddString("CustomName", "@");
Writer.AddString("id", "Control"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
if (!CommandBlockEntity.GetLastOutput().empty())
{
Writer.AddString("LastOutput", Printf("{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str()));
}
break;
}
case E_BLOCK_HEAD:
{
auto & MobHeadEntity = static_cast<const cMobHeadEntity &>(a_BlockEntity);
Writer.AddInt("x", MobHeadEntity.GetPosX());
Writer.AddInt("y", MobHeadEntity.GetPosY());
Writer.AddInt("z", MobHeadEntity.GetPosZ());
Writer.AddByte("SkullType", MobHeadEntity.GetType() & 0xFF);
Writer.AddByte("Rot", MobHeadEntity.GetRotation() & 0xFF);
Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
// The new Block Entity format for a Mob Head. See: https://minecraft.gamepedia.com/Head#Block_entity
Writer.BeginCompound("Owner");
Writer.AddString("Id", MobHeadEntity.GetOwnerUUID().ToShortString());
Writer.AddString("Name", MobHeadEntity.GetOwnerName());
Writer.BeginCompound("Properties");
Writer.BeginList("textures", TAG_Compound);
Writer.BeginCompound("");
Writer.AddString("Signature", MobHeadEntity.GetOwnerTextureSignature());
Writer.AddString("Value", MobHeadEntity.GetOwnerTexture());
Writer.EndCompound();
Writer.EndList();
Writer.EndCompound();
Writer.EndCompound();
break;
}
case E_BLOCK_FLOWER_POT:
{
auto & FlowerPotEntity = static_cast<const cFlowerPotEntity &>(a_BlockEntity);
Writer.AddInt("x", FlowerPotEntity.GetPosX());
Writer.AddInt("y", FlowerPotEntity.GetPosY());
Writer.AddInt("z", FlowerPotEntity.GetPosZ());
Writer.AddInt("Item", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemType));
Writer.AddInt("Data", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemDamage));
Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
break;
}
case E_BLOCK_MOB_SPAWNER:
{
auto & MobSpawnerEntity = static_cast<const cMobSpawnerEntity &>(a_BlockEntity);
Writer.AddInt("x", MobSpawnerEntity.GetPosX());
Writer.AddInt("y", MobSpawnerEntity.GetPosY());
Writer.AddInt("z", MobSpawnerEntity.GetPosZ());
Writer.BeginCompound("SpawnData");
Writer.AddString("id", cMonster::MobTypeToVanillaName(MobSpawnerEntity.GetEntity()));
Writer.EndCompound();
Writer.AddShort("Delay", MobSpawnerEntity.GetSpawnDelay());
Writer.AddString("id", "MobSpawner");
break;
}
default:
{
break;
}
}
Writer.Finish();
a_Pkt.WriteBuf(Writer.GetResult().data(), Writer.GetResult().size());
}
void cProtocol_1_9_0::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;
}
a_Pkt.WriteBEUInt8(0); // Index 0
a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); // Type
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.
a_Pkt.WriteBEUInt8(2); // Index 2: Custom name
a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING);
a_Pkt.WriteString(Player.GetName());
a_Pkt.WriteBEUInt8(6); // Index 6: Health
a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
a_Pkt.WriteBEFloat(static_cast<float>(Player.GetHealth()));
a_Pkt.WriteBEUInt8(12);
a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
a_Pkt.WriteBEUInt8(static_cast<UInt8>(Player.GetSkinParts()));
a_Pkt.WriteBEUInt8(13);
a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
a_Pkt.WriteBEUInt8(static_cast<UInt8>(Player.GetMainHand()));
break;
}
case cEntity::etPickup:
{
a_Pkt.WriteBEUInt8(5); // Index 5: Item
a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
WriteItem(a_Pkt, static_cast<const cPickup &>(a_Entity).GetItem());
break;
}
case cEntity::etMinecart:
{
a_Pkt.WriteBEUInt8(5); // Index 5: Shaking power
a_Pkt.WriteBEUInt8(METADATA_TYPE_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));
a_Pkt.WriteBEUInt8(6); // Index 6: Shaking direction (doesn't seem to effect anything)
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(1);
a_Pkt.WriteBEUInt8(7); // Index 7: Shake multiplier / damage taken
a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
a_Pkt.WriteBEFloat(static_cast<float>(Minecart.LastDamage() + 10));
if (Minecart.GetPayload() == cMinecart::mpNone)
{
auto & RideableMinecart = static_cast<const cRideableMinecart &>(Minecart);
const cItem & MinecartContent = RideableMinecart.GetContent();
if (!MinecartContent.IsEmpty())
{
a_Pkt.WriteBEUInt8(8); // Index 8: Block ID and damage
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(9); // Index 9: Block ID and damage
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(RideableMinecart.GetBlockHeight()));
a_Pkt.WriteBEUInt8(10); // Index 10: Show block
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(true);
}
}
else if (Minecart.GetPayload() == cMinecart::mpFurnace)
{
a_Pkt.WriteBEUInt8(11); // Index 11: Is powered
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
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:
{
a_Pkt.WriteBEUInt8(5); // Index 5: Is critical
a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
a_Pkt.WriteBEInt8(static_cast<const cArrowEntity &>(Projectile).IsCritical() ? 1 : 0);
break;
}
case cProjectileEntity::pkFirework:
{
a_Pkt.WriteBEUInt8(5); // Index 5: Firework item used for this firework
a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
WriteItem(a_Pkt, static_cast<const cFireworkEntity &>(Projectile).GetItem());
break;
}
case cProjectileEntity::pkSplashPotion:
{
a_Pkt.WriteBEUInt8(5); // Index 5: Potion item which was thrown
a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
WriteItem(a_Pkt, static_cast<const cSplashPotionEntity &>(Projectile).GetItem());
}
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);
a_Pkt.WriteBEInt8(5); // Index 6: Time since last hit
a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetLastDamage()));
a_Pkt.WriteBEInt8(6); // Index 7: Forward direction
a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetForwardDirection()));
a_Pkt.WriteBEInt8(7); // Index 8: Damage taken
a_Pkt.WriteBEInt8(METADATA_TYPE_FLOAT);
a_Pkt.WriteBEFloat(Boat.GetDamageTaken());
a_Pkt.WriteBEInt8(8); // Index 9: Type
a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Boat.GetMaterial()));
a_Pkt.WriteBEInt8(9); // Index 10: Right paddle turning
a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Boat.IsRightPaddleUsed());
a_Pkt.WriteBEInt8(10); // Index 11: Left paddle turning
a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Boat.IsLeftPaddleUsed());
break;
} // case etBoat
case cEntity::etItemFrame:
{
auto & Frame = static_cast<const cItemFrame &>(a_Entity);
a_Pkt.WriteBEUInt8(5); // Index 5: Item
a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
WriteItem(a_Pkt, Frame.GetItem());
a_Pkt.WriteBEUInt8(6); // Index 6: Rotation
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(Frame.GetItemRotation());
break;
} // case etItemFrame
default:
{
break;
}
}
}
void cProtocol_1_9_0::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?
a_Pkt.WriteBEUInt8(2); // Index 2: Custom name
a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING);
a_Pkt.WriteString(a_Mob.GetCustomName());
a_Pkt.WriteBEUInt8(3); // Index 3: Custom name always visible
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(a_Mob.IsCustomNameAlwaysVisible());
}
a_Pkt.WriteBEUInt8(6); // Index 6: Health
a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
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(11); // Index 11: Bat flags - currently only hanging
a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
a_Pkt.WriteBEInt8(Bat.IsHanging() ? 1 : 0);
break;
} // case mtBat
case mtChicken:
{
auto & Chicken = static_cast<const cChicken &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Chicken.IsBaby());
break;
} // case mtChicken
case mtCow:
{
auto & Cow = static_cast<const cCow &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Cow.IsBaby());
break;
} // case mtCow
case mtCreeper:
{
auto & Creeper = static_cast<const cCreeper &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: State (idle or "blowing")
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(Creeper.IsBlowing() ? 1 : 0xffffffff);
a_Pkt.WriteBEUInt8(12); // Index 12: Is charged
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Creeper.IsCharged());
a_Pkt.WriteBEUInt8(13); // Index 13: Is ignited
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Creeper.IsBurnedWithFlintAndSteel());
break;
} // case mtCreeper
case mtEnderman:
{
auto & Enderman = static_cast<const cEnderman &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: 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(12); // Index 12: Is screaming
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Enderman.IsScreaming());
break;
} // case mtEnderman
case mtGhast:
{
auto & Ghast = static_cast<const cGhast &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Is attacking
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Ghast.IsCharging());
break;
} // case mtGhast
case mtHorse:
{
auto & Horse = static_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(12); // Index 12: flags
a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
a_Pkt.WriteBEInt8(Flags);
a_Pkt.WriteBEUInt8(13); // Index 13: Variant / type
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseType()));
a_Pkt.WriteBEUInt8(14); // Index 14: 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(16); // Index 16: Armor
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseArmour()));
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Horse.IsBaby());
break;
} // case mtHorse
case mtMagmaCube:
{
auto & MagmaCube = static_cast<const cMagmaCube &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Size
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(MagmaCube.GetSize()));
break;
} // case mtMagmaCube
case mtOcelot:
{
auto & Ocelot = static_cast<const cOcelot &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Ocelot.IsBaby());
break;
} // case mtOcelot
case mtPig:
{
auto & Pig = static_cast<const cPig &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Pig.IsBaby());
a_Pkt.WriteBEUInt8(12); // Index 12: Is saddled
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Pig.IsSaddled());
break;
} // case mtPig
case mtRabbit:
{
auto & Rabbit = static_cast<const cRabbit &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Rabbit.IsBaby());
a_Pkt.WriteBEUInt8(12); // Index 12: Type
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Rabbit.GetRabbitType()));
break;
} // case mtRabbit
case mtSheep:
{
auto & Sheep = static_cast<const cSheep &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Sheep.IsBaby());
a_Pkt.WriteBEUInt8(12); // Index 12: sheared, color
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 mtSlime:
{
auto & Slime = static_cast<const cSlime &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Size
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Slime.GetSize()));
break;
} // case mtSlime
case mtVillager:
{
auto & Villager = static_cast<const cVillager &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Villager.IsBaby());
a_Pkt.WriteBEUInt8(12); // Index 12: Type
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Villager.GetVilType()));
break;
} // case mtVillager
case mtWitch:
{
auto & Witch = static_cast<const cWitch &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is angry
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Witch.IsAngry());
break;
} // case mtWitch
case mtWither:
{
auto & Wither = static_cast<const cWither &>(a_Mob);
a_Pkt.WriteBEUInt8(14); // Index 14: Invulnerable ticks
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(Wither.GetWitherInvulnerableTicks());
// TODO: Use boss bar packet for health
break;
} // case mtWither
case mtWitherSkeleton:
{
a_Pkt.WriteBEUInt8(11); // Index 11: Type
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(1); // Is wither skeleton
break;
} // case mtWitherSkeleton
case mtWolf:
{
auto & Wolf = static_cast<const cWolf &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is 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(12); // Index 12: status
a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
a_Pkt.WriteBEInt8(WolfStatus);
a_Pkt.WriteBEUInt8(14); // Index 14: Health
a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
a_Pkt.WriteBEUInt8(15); // Index 15: Is begging
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Wolf.IsBegging());
a_Pkt.WriteBEUInt8(16); // Index 16: Collar color
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(static_cast<UInt32>(Wolf.GetCollarColor()));
break;
} // case mtWolf
case mtZombie:
{
auto & Zombie = static_cast<const cZombie &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(Zombie.IsBaby());
a_Pkt.WriteBEUInt8(12); // Index 12: Is a villager
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(0);
a_Pkt.WriteBEUInt8(13); // Index 13: Is converting
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(false);
break;
} // case mtZombie
case mtZombiePigman:
{
auto & ZombiePigman = static_cast<const cZombiePigman &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(ZombiePigman.IsBaby());
break;
} // case mtZombiePigman
case mtZombieVillager:
{
auto & ZombieVillager = reinterpret_cast<const cZombieVillager &>(a_Mob);
a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(ZombieVillager.IsBaby());
a_Pkt.WriteBEUInt8(12); // Index 12: Is a villager
a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
a_Pkt.WriteVarInt32(ZombieVillager.GetProfession());
a_Pkt.WriteBEUInt8(13); // Index 13: Is converting
a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
a_Pkt.WriteBool(ZombieVillager.ConversionTime() != -1);
break;
} // case mtZombieVillager
default: break;
} // switch (a_Mob.GetType())
}
void cProtocol_1_9_0::WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity)
{
if (!a_Entity.IsMob())
{
// No properties for anything else than mobs
a_Pkt.WriteBEInt32(0);
return;
}
// const cMonster & Mob = (const cMonster &)a_Entity;
// TODO: Send properties and modifiers based on the mob type
a_Pkt.WriteBEInt32(0); // NumProperties
}
////////////////////////////////////////////////////////////////////////////////
// cProtocol_1_9_1:
cProtocol_1_9_1::cProtocol_1_9_1(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_9_1::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.WriteBEInt32(static_cast<Int32>(a_World.GetDimension())); // This is the change from 1.9.0 (Int8 to Int32)
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.WritePosition64(FloorC(a_World.GetSpawnX()), FloorC(a_World.GetSpawnY()), FloorC(a_World.GetSpawnZ()));
}
// Send the server difficulty:
{
cPacketizer Pkt(*this, pktDifficulty);
Pkt.WriteBEInt8(1);
}
// Send player abilities:
SendPlayerAbilities();
}
void cProtocol_1_9_1::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;
Version["name"] = "Cuberite 1.9.1";
Version["protocol"] = 108;
// 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;
m_Client->ForgeAugmentServerListPing(ResponseValue);
if (!Favicon.empty())
{
ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
}
AString Response = JsonUtils::WriteFastString(ResponseValue);
cPacketizer Pkt(*this, pktStatusResponse);
Pkt.WriteString(Response);
}
////////////////////////////////////////////////////////////////////////////////
// cProtocol_1_9_2:
cProtocol_1_9_2::cProtocol_1_9_2(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_9_2::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;
Version["name"] = "Cuberite 1.9.2";
Version["protocol"] = 109;
// 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;
m_Client->ForgeAugmentServerListPing(ResponseValue);
if (!Favicon.empty())
{
ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
}
AString Response = JsonUtils::WriteFastString(ResponseValue);
cPacketizer Pkt(*this, pktStatusResponse);
Pkt.WriteString(Response);
}
////////////////////////////////////////////////////////////////////////////////
// cProtocol_1_9_4:
cProtocol_1_9_4::cProtocol_1_9_4(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_9_4::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;
Version["name"] = "Cuberite 1.9.4";
Version["protocol"] = 110;
// 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;
m_Client->ForgeAugmentServerListPing(ResponseValue);
if (!Favicon.empty())
{
ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
}
AString Response = JsonUtils::WriteFastString(ResponseValue);
cPacketizer Pkt(*this, pktStatusResponse);
Pkt.WriteString(Response);
}
void cProtocol_1_9_4::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
{
ASSERT(m_State == 3); // In game mode?
// Serialize first, before creating the Packetizer (the packetizer locks a CS)
// This contains the flags and bitmasks, too
const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_9_4, a_ChunkX, a_ChunkZ, {});
cCSLock Lock(m_CSPacket);
SendData(ChunkData.data(), ChunkData.size());
}
void cProtocol_1_9_4::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?
// 1.9.4 removed the update sign packet and now uses Update Block Entity
cPacketizer Pkt(*this, pktUpdateBlockEntity);
Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
Pkt.WriteBEUInt8(9); // Action 9 - update sign
cFastNBTWriter Writer;
Writer.AddInt("x", a_BlockX);
Writer.AddInt("y", a_BlockY);
Writer.AddInt("z", a_BlockZ);
Writer.AddString("id", "Sign");
Json::Value Line1;
Line1["text"] = a_Line1;
Writer.AddString("Text1", JsonUtils::WriteFastString(Line1));
Json::Value Line2;
Line2["text"] = a_Line2;
Writer.AddString("Text2", JsonUtils::WriteFastString(Line2));
Json::Value Line3;
Line3["text"] = a_Line3;
Writer.AddString("Text3", JsonUtils::WriteFastString(Line3));
Json::Value Line4;
Line4["text"] = a_Line4;
Writer.AddString("Text4", JsonUtils::WriteFastString(Line4));
Writer.Finish();
Pkt.WriteBuf(Writer.GetResult().data(), Writer.GetResult().size());
}
UInt32 cProtocol_1_9_4::GetPacketID(cProtocol::ePacketType a_Packet)
{
switch (a_Packet)
{
case pktCollectEntity: return 0x48;
case pktEntityEffect: return 0x4b;
case pktEntityProperties: return 0x4a;
case pktPlayerMaxSpeed: return 0x4a;
case pktTeleportEntity: return 0x49;
default: return Super::GetPacketID(a_Packet);
}
}
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