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| -rw-r--r-- | src/Protocol/Protocol18x.cpp | 3235 |
1 files changed, 3235 insertions, 0 deletions
diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp new file mode 100644 index 000000000..fbeb845f8 --- /dev/null +++ b/src/Protocol/Protocol18x.cpp @@ -0,0 +1,3235 @@ + +// Protocol18x.cpp + +/* +Implements the 1.8.x protocol classes: + - cProtocol180 + - release 1.8.0 protocol (#47) +(others may be added later in the future for the 1.8 release series) +*/ + +#include "Globals.h" +#include "json/json.h" +#include "Protocol18x.h" +#include "ChunkDataSerializer.h" +#include "PolarSSL++/Sha1Checksum.h" + +#include "../ClientHandle.h" +#include "../Root.h" +#include "../Server.h" +#include "../World.h" +#include "../StringCompression.h" +#include "../CompositeChat.h" +#include "../Statistics.h" + +#include "../WorldStorage/FastNBT.h" +#include "../WorldStorage/EnchantmentSerializer.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 "../Mobs/IncludeAllMonsters.h" +#include "../UI/Window.h" + +#include "../BlockEntities/BeaconEntity.h" +#include "../BlockEntities/CommandBlockEntity.h" +#include "../BlockEntities/MobHeadEntity.h" +#include "../BlockEntities/FlowerPotEntity.h" +#include "Bindings/PluginManager.h" + + + + + +#define HANDLE_READ(ByteBuf, Proc, Type, Var) \ + Type Var; \ + if (!ByteBuf.Proc(Var))\ + {\ + return;\ + } + + + + + +#define HANDLE_PACKET_READ(ByteBuf, Proc, Type, Var) \ + Type Var; \ + { \ + if (!ByteBuf.Proc(Var)) \ + { \ + ByteBuf.CheckValid(); \ + return false; \ + } \ + ByteBuf.CheckValid(); \ + } + + + + + +const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows... +const uLongf MAX_COMPRESSED_PACKET_LEN = 200 KiB; // Maximum size of compressed packets. + + + + + +// fwd: main.cpp: +extern bool g_ShouldLogCommIn, g_ShouldLogCommOut; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cProtocol180: + +cProtocol180::cProtocol180(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) : + super(a_Client), + m_ServerAddress(a_ServerAddress), + m_ServerPort(a_ServerPort), + m_State(a_State), + m_ReceivedData(32 KiB), + m_OutPacketBuffer(64 KiB), + m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt + m_IsEncrypted(false), + m_LastSentDimension(dimNotSet) +{ + // Create the comm log file, if so requested: + if (g_ShouldLogCommIn || g_ShouldLogCommOut) + { + static int sCounter = 0; + cFile::CreateFolder("CommLogs"); + AString FileName = Printf("CommLogs/%x_%d__%s.log", (unsigned)time(NULL), sCounter++, a_Client->GetIPString().c_str()); + m_CommLogFile.Open(FileName, cFile::fmWrite); + } +} + + + + + +void cProtocol180::DataReceived(const char * a_Data, size_t a_Size) +{ + if (m_IsEncrypted) + { + Byte Decrypted[512]; + while (a_Size > 0) + { + size_t NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size; + m_Decryptor.ProcessData(Decrypted, (Byte *)a_Data, NumBytes); + AddReceivedData((const char *)Decrypted, NumBytes); + a_Size -= NumBytes; + a_Data += NumBytes; + } + } + else + { + AddReceivedData(a_Data, a_Size); + } +} + + + + + +void cProtocol180::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1b); // Attach Entity packet + Pkt.WriteInt(a_Entity.GetUniqueID()); + Pkt.WriteInt((a_Vehicle != NULL) ? a_Vehicle->GetUniqueID() : 0); + Pkt.WriteBool(false); +} + + + + + +void cProtocol180::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x24); // Block Action packet + Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteByte(a_Byte1); + Pkt.WriteByte(a_Byte2); + Pkt.WriteVarInt(a_BlockType); +} + + + + + +void cProtocol180::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x25); // Block Break Animation packet + Pkt.WriteVarInt(a_EntityID); + Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteChar(a_Stage); +} + + + + + +void cProtocol180::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, 0x23); // Block Change packet + Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteVarInt(((UInt32)a_BlockType << 4) | ((UInt32)a_BlockMeta & 15)); +} + + + + + +void cProtocol180::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x22); // Multi Block Change packet + Pkt.WriteInt(a_ChunkX); + Pkt.WriteInt(a_ChunkZ); + Pkt.WriteVarInt((UInt32)a_Changes.size()); + for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr) + { + short Coords = (short) (itr->y | (itr->z << 8) | (itr->x << 12)); + Pkt.WriteShort(Coords); + Pkt.WriteVarInt((itr->BlockType & 0xFFF) << 4 | (itr->BlockMeta & 0xF)); + } // for itr - a_Changes[] +} + + + + + +void cProtocol180::SendChat(const AString & a_Message) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x02); // Chat Message packet + Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str())); + Pkt.WriteChar(0); +} + + + + + +void cProtocol180::SendChat(const cCompositeChat & a_Message) +{ + ASSERT(m_State == 3); // In game mode? + + cWorld * World = m_Client->GetPlayer()->GetWorld(); + bool ShouldUseChatPrefixes = (World == NULL) ? false : World->ShouldUseChatPrefixes(); + + // Send the message to the client: + cPacketizer Pkt(*this, 0x02); + Pkt.WriteString(a_Message.CreateJsonString(ShouldUseChatPrefixes)); + Pkt.WriteChar(0); +} + + + + + +void cProtocol180::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_8_0, a_ChunkX, a_ChunkZ); + + cCSLock Lock(m_CSPacket); + SendData(ChunkData.data(), ChunkData.size()); +} + + + + + +void cProtocol180::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0d); // Collect Item packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteVarInt(a_Player.GetUniqueID()); +} + + + + + +void cProtocol180::SendDestroyEntity(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x13); // Destroy Entities packet + Pkt.WriteVarInt(1); + Pkt.WriteVarInt(a_Entity.GetUniqueID()); +} + + + + + +void cProtocol180::SendDisconnect(const AString & a_Reason) +{ + switch (m_State) + { + case 2: + { + // During login: + cPacketizer Pkt(*this, 0); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str())); + break; + } + case 3: + { + // In-game: + cPacketizer Pkt(*this, 0x40); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str())); + break; + } + } +} + + + + + +void cProtocol180::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x36); // Sign Editor Open packet + Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ); +} + + + + + +void cProtocol180::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1D); // Entity Effect packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteByte(a_EffectID); + Pkt.WriteByte(a_Amplifier); + Pkt.WriteVarInt((UInt32)a_Duration); + Pkt.WriteBool(false); // Hide particles +} + + + + + +void cProtocol180::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x04); // Entity Equipment packet + Pkt.WriteVarInt((UInt32)a_Entity.GetUniqueID()); + Pkt.WriteShort(a_SlotNum); + Pkt.WriteItem(a_Item); +} + + + + + +void cProtocol180::SendEntityHeadLook(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x19); // Entity Head Look packet + Pkt.WriteVarInt((UInt32)a_Entity.GetUniqueID()); + Pkt.WriteByteAngle(a_Entity.GetHeadYaw()); +} + + + + + +void cProtocol180::SendEntityLook(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x16); // Entity Look packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteByteAngle(a_Entity.GetYaw()); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteBool(true); // TODO: IsOnGround() on entities +} + + + + + +void cProtocol180::SendEntityMetadata(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteEntityMetadata(a_Entity); + Pkt.WriteByte(0x7f); // The termination byte +} + + + + + +void cProtocol180::SendEntityProperties(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x20); // Entity Properties packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteEntityProperties(a_Entity); +} + + + + + +void cProtocol180::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x15); // Entity Relative Move packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteByte(a_RelX); + Pkt.WriteByte(a_RelY); + Pkt.WriteByte(a_RelZ); + Pkt.WriteBool(true); // TODO: IsOnGround() on entities +} + + + + + +void cProtocol180::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x17); // Entity Look And Relative Move packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteByte(a_RelX); + Pkt.WriteByte(a_RelY); + Pkt.WriteByte(a_RelZ); + Pkt.WriteByteAngle(a_Entity.GetYaw()); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteBool(true); // TODO: IsOnGround() on entities +} + + + + + +void cProtocol180::SendEntityStatus(const cEntity & a_Entity, char a_Status) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1a); // Entity Status packet + Pkt.WriteInt(a_Entity.GetUniqueID()); + Pkt.WriteChar(a_Status); +} + + + + + +void cProtocol180::SendEntityVelocity(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x12); // Entity Velocity packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + // 400 = 8000 / 20 ... Conversion from our speed in m/s to 8000 m/tick + Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400)); + Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400)); + Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400)); +} + + + + + +void cProtocol180::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x27); // Explosion packet + Pkt.WriteFloat((float)a_BlockX); + Pkt.WriteFloat((float)a_BlockY); + Pkt.WriteFloat((float)a_BlockZ); + Pkt.WriteFloat((float)a_Radius); + Pkt.WriteInt((int)a_BlocksAffected.size()); + for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(), end = a_BlocksAffected.end(); itr != end; ++itr) + { + Pkt.WriteChar((char)itr->x); + Pkt.WriteChar((char)itr->y); + Pkt.WriteChar((char)itr->z); + } // for itr - a_BlockAffected[] + Pkt.WriteFloat((float)a_PlayerMotion.x); + Pkt.WriteFloat((float)a_PlayerMotion.y); + Pkt.WriteFloat((float)a_PlayerMotion.z); +} + + + + + +void cProtocol180::SendGameMode(eGameMode a_GameMode) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2b); // Change Game State packet + Pkt.WriteByte(3); // Reason: Change game mode + Pkt.WriteFloat((float)a_GameMode); +} + + + + + +void cProtocol180::SendHealth(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x06); // Update Health packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteFloat((float)Player->GetHealth()); + Pkt.WriteVarInt((UInt32)Player->GetFoodLevel()); + Pkt.WriteFloat((float)Player->GetFoodSaturationLevel()); +} + + + + + +void cProtocol180::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2f); // Set Slot packet + Pkt.WriteChar(a_WindowID); + Pkt.WriteShort(a_SlotNum); + Pkt.WriteItem(a_Item); +} + + + + + +void cProtocol180::SendKeepAlive(int a_PingID) +{ + // Drop the packet if the protocol is not in the Game state yet (caused a client crash): + if (m_State != 3) + { + LOGWARNING("Trying to send a KeepAlive packet to a player who's not yet fully logged in (%d). The protocol class prevented the packet.", m_State); + return; + } + + cPacketizer Pkt(*this, 0x00); // Keep Alive packet + Pkt.WriteVarInt(a_PingID); +} + + + + + +void cProtocol180::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +{ + // Send the Join Game packet: + { + cServer * Server = cRoot::Get()->GetServer(); + cPacketizer Pkt(*this, 0x01); // Join Game packet + Pkt.WriteInt(a_Player.GetUniqueID()); + Pkt.WriteByte((Byte)a_Player.GetEffectiveGameMode() | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4 + Pkt.WriteChar((char)a_World.GetDimension()); + Pkt.WriteByte(2); // TODO: Difficulty (set to Normal) + Pkt.WriteByte(Server->GetMaxPlayers()); + Pkt.WriteString("default"); // Level type - wtf? + Pkt.WriteBool(false); // Reduced Debug Info - wtf? + } + m_LastSentDimension = a_World.GetDimension(); + + // Send the spawn position: + { + cPacketizer Pkt(*this, 0x05); // Spawn Position packet + Pkt.WritePosition(a_World.GetSpawnX(), a_World.GetSpawnY(), a_World.GetSpawnZ()); + } + + // Send the server difficulty: + { + cPacketizer Pkt(*this, 0x41); + Pkt.WriteChar(1); + } + + // Send player abilities: + SendPlayerAbilities(); +} + + + + +void cProtocol180::SendLoginSuccess(void) +{ + ASSERT(m_State == 2); // State: login? + + // Enable compression: + { + cPacketizer Pkt(*this, 0x03); // Set compression packet + Pkt.WriteVarInt(256); + } + + m_State = 3; // State = Game + + { + cPacketizer Pkt(*this, 0x02); // Login success packet + Pkt.WriteString(cMojangAPI::MakeUUIDDashed(m_Client->GetUUID())); + Pkt.WriteString(m_Client->GetUsername()); + } +} + + + + + +void cProtocol180::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(); + + switch (a_Painting.GetDirection()) + { + case 0: PosZ += 1; break; + case 1: PosX -= 1; break; + case 2: PosZ -= 1; break; + case 3: PosX += 1; break; + } + + cPacketizer Pkt(*this, 0x10); // Spawn Painting packet + Pkt.WriteVarInt(a_Painting.GetUniqueID()); + Pkt.WriteString(a_Painting.GetName().c_str()); + Pkt.WritePosition(PosX, PosY, PosZ); + Pkt.WriteChar(a_Painting.GetDirection()); +} + + + + + +void cProtocol180::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length, unsigned int m_Scale) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x34); + Pkt.WriteVarInt(a_ID); + Pkt.WriteByte(m_Scale); + + Pkt.WriteVarInt(0); + Pkt.WriteByte(1); + Pkt.WriteByte(a_Length); + Pkt.WriteByte(a_X); + Pkt.WriteByte(a_Y); + + Pkt.WriteVarInt(a_Length); + for (unsigned int i = 0; i < a_Length; ++i) + { + Pkt.WriteByte(a_Colors[i]); + } +} + + + + + +void cProtocol180::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decorators, unsigned int m_Scale) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x34); + Pkt.WriteVarInt(a_ID); + Pkt.WriteByte(m_Scale); + Pkt.WriteVarInt(a_Decorators.size()); + + for (cMapDecoratorList::const_iterator it = a_Decorators.begin(); it != a_Decorators.end(); ++it) + { + Pkt.WriteByte((it->GetType() << 4) | (it->GetRot() & 0xf)); + Pkt.WriteByte(it->GetPixelX()); + Pkt.WriteByte(it->GetPixelZ()); + } + + Pkt.WriteByte(0); +} + + + + + +void cProtocol180::SendMapInfo(int a_ID, unsigned int a_Scale) +{ + UNUSED(a_ID); + UNUSED(a_Scale); + + // This packet was removed in 1.8 +} + + + + + +void cProtocol180::SendPickupSpawn(const cPickup & a_Pickup) +{ + ASSERT(m_State == 3); // In game mode? + + { + cPacketizer Pkt(*this, 0x0e); // Spawn Object packet + Pkt.WriteVarInt(a_Pickup.GetUniqueID()); + Pkt.WriteByte(2); // Type = Pickup + Pkt.WriteFPInt(a_Pickup.GetPosX()); + Pkt.WriteFPInt(a_Pickup.GetPosY()); + Pkt.WriteFPInt(a_Pickup.GetPosZ()); + Pkt.WriteByteAngle(a_Pickup.GetYaw()); + Pkt.WriteByteAngle(a_Pickup.GetPitch()); + Pkt.WriteInt(0); // No object data + } + + { + cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet + Pkt.WriteVarInt(a_Pickup.GetUniqueID()); + Pkt.WriteByte((0x05 << 5) | 10); // Slot type + index 10 + Pkt.WriteItem(a_Pickup.GetItem()); + Pkt.WriteByte(0x7f); // End of metadata + } +} + + + + + +void cProtocol180::SendPlayerAbilities(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x39); // Player Abilities packet + Byte Flags = 0; + cPlayer * Player = m_Client->GetPlayer(); + if (Player->IsGameModeCreative()) + { + Flags |= 0x01; + Flags |= 0x08; // Godmode, used for creative + } + if (Player->IsFlying()) + { + Flags |= 0x02; + } + if (Player->CanFly()) + { + Flags |= 0x04; + } + Pkt.WriteByte(Flags); + Pkt.WriteFloat((float)(0.05 * Player->GetFlyingMaxSpeed())); + Pkt.WriteFloat((float)(0.1 * Player->GetNormalMaxSpeed())); +} + + + + + +void cProtocol180::SendEntityAnimation(const cEntity & a_Entity, char a_Animation) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0b); // Animation packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteChar(a_Animation); +} + + + + + +void cProtocol180::SendParticleEffect(const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmount) +{ + ASSERT(m_State == 3); // In game mode? + int ParticleID = GetParticleID(a_ParticleName); + + cPacketizer Pkt(*this, 0x2A); + Pkt.WriteInt(ParticleID); + Pkt.WriteBool(false); + Pkt.WriteFloat(a_SrcX); + Pkt.WriteFloat(a_SrcY); + Pkt.WriteFloat(a_SrcZ); + Pkt.WriteFloat(a_OffsetX); + Pkt.WriteFloat(a_OffsetY); + Pkt.WriteFloat(a_OffsetZ); + Pkt.WriteFloat(a_ParticleData); + Pkt.WriteInt(a_ParticleAmount); +} + + + + + +void cProtocol180::SendPlayerListAddPlayer(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x38); // Playerlist Item packet + Pkt.WriteVarInt(0); + Pkt.WriteVarInt(1); + Pkt.WriteUUID(a_Player.GetUUID()); + Pkt.WriteString(a_Player.GetName()); + + const Json::Value & Properties = a_Player.GetClientHandle()->GetProperties(); + Pkt.WriteVarInt(Properties.size()); + for (Json::Value::iterator itr = Properties.begin(), end = Properties.end(); itr != end; ++itr) + { + Pkt.WriteString(((Json::Value)*itr).get("name", "").asString()); + Pkt.WriteString(((Json::Value)*itr).get("value", "").asString()); + AString Signature = ((Json::Value)*itr).get("signature", "").asString(); + if (Signature.empty()) + { + Pkt.WriteBool(false); + } + else + { + Pkt.WriteBool(true); + Pkt.WriteString(Signature); + } + } + + Pkt.WriteVarInt((UInt32)a_Player.GetGameMode()); + Pkt.WriteVarInt((UInt32)a_Player.GetClientHandle()->GetPing()); + Pkt.WriteBool(false); +} + + + + + +void cProtocol180::SendPlayerListRemovePlayer(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x38); // Playerlist Item packet + Pkt.WriteVarInt(4); + Pkt.WriteVarInt(1); + Pkt.WriteUUID(a_Player.GetUUID()); +} + + + + + +void cProtocol180::SendPlayerListUpdateGameMode(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x38); // Playerlist Item packet + Pkt.WriteVarInt(1); + Pkt.WriteVarInt(1); + Pkt.WriteUUID(a_Player.GetUUID()); + Pkt.WriteVarInt((UInt32)a_Player.GetGameMode()); +} + + + + + +void cProtocol180::SendPlayerListUpdatePing(const cPlayer & a_Player) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x38); // Playerlist Item packet + Pkt.WriteVarInt(2); + Pkt.WriteVarInt(1); + Pkt.WriteUUID(a_Player.GetUUID()); + Pkt.WriteVarInt((UInt32)a_Player.GetClientHandle()->GetPing()); +} + + + + + +void cProtocol180::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_OldListName) +{ + UNUSED(a_OldListName); + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x38); // Playerlist Item packet + Pkt.WriteVarInt(3); + Pkt.WriteVarInt(1); + Pkt.WriteUUID(a_Player.GetUUID()); + + // TODO: Replace this with GetPlayerListName() (It's already done in other pull request) + if (a_Player.GetName().empty()) + { + Pkt.WriteBool(false); + } + else + { + Pkt.WriteBool(true); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_Player.GetName().c_str())); + } +} + + + + + +void cProtocol180::SendPlayerMaxSpeed(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x20); // Entity Properties + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteVarInt(Player->GetUniqueID()); + Pkt.WriteInt(1); // Count + Pkt.WriteString("generic.movementSpeed"); + // The default game speed is 0.1, multiply that value by the relative speed: + Pkt.WriteDouble(0.1 * Player->GetNormalMaxSpeed()); + if (Player->IsSprinting()) + { + Pkt.WriteVarInt(1); // Modifier count + Pkt.WriteInt64(0x662a6b8dda3e4c1c); + Pkt.WriteInt64(0x881396ea6097278d); // UUID of the modifier + Pkt.WriteDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed()); + Pkt.WriteByte(2); + } + else + { + Pkt.WriteVarInt(0); // Modifier count + } +} + + + + + +void cProtocol180::SendPlayerMoveLook(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x08); // Player Position And Look packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteDouble(Player->GetPosX()); + + // The "+ 0.001" is there because otherwise the player falls through the block they were standing on. + Pkt.WriteDouble(Player->GetStance() + 0.001); + + Pkt.WriteDouble(Player->GetPosZ()); + Pkt.WriteFloat((float)Player->GetYaw()); + Pkt.WriteFloat((float)Player->GetPitch()); + Pkt.WriteByte(0); +} + + + + + +void cProtocol180::SendPlayerPosition(void) +{ + // There is no dedicated packet for this, send the whole thing: + SendPlayerMoveLook(); +} + + + + + +void cProtocol180::SendPlayerSpawn(const cPlayer & a_Player) +{ + // Called to spawn another player for the client + cPacketizer Pkt(*this, 0x0c); // Spawn Player packet + Pkt.WriteVarInt(a_Player.GetUniqueID()); + Pkt.WriteUUID(cMojangAPI::MakeUUIDShort(a_Player.GetUUID())); + Pkt.WriteFPInt(a_Player.GetPosX()); + Pkt.WriteFPInt(a_Player.GetPosY()); + Pkt.WriteFPInt(a_Player.GetPosZ()); + Pkt.WriteByteAngle(a_Player.GetYaw()); + Pkt.WriteByteAngle(a_Player.GetPitch()); + short ItemType = a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType; + Pkt.WriteShort(ItemType); + Pkt.WriteByte((3 << 5) | 6); // Metadata: float + index 6 + Pkt.WriteFloat((float)a_Player.GetHealth()); + Pkt.WriteByte((4 << 5 | (2 & 0x1F)) & 0xFF); + Pkt.WriteString(a_Player.GetName()); + Pkt.WriteByte(0x7f); // Metadata: end +} + + + + + +void cProtocol180::SendPluginMessage(const AString & a_Channel, const AString & a_Message) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3f); + Pkt.WriteString(a_Channel); + Pkt.WriteBuf(a_Message.data(), a_Message.size()); +} + + + + + +void cProtocol180::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1e); + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteByte(a_EffectID); +} + + + + + +void cProtocol180::SendRespawn(eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) +{ + if ((m_LastSentDimension == a_Dimension) && !a_ShouldIgnoreDimensionChecks) + { + // Must not send a respawn for the world with the same dimension, the client goes cuckoo if we do (unless we are respawning from death) + return; + } + + cPacketizer Pkt(*this, 0x07); // Respawn packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteInt((int)a_Dimension); + Pkt.WriteByte(2); // TODO: Difficulty (set to Normal) + Pkt.WriteByte((Byte)Player->GetEffectiveGameMode()); + Pkt.WriteString("default"); + m_LastSentDimension = a_Dimension; +} + + + + + +void cProtocol180::SendExperience(void) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1f); // Experience Packet + cPlayer * Player = m_Client->GetPlayer(); + Pkt.WriteFloat(Player->GetXpPercentage()); + Pkt.WriteVarInt((UInt32)Player->GetXpLevel()); + Pkt.WriteVarInt((UInt32)Player->GetCurrentXp()); +} + + + + + +void cProtocol180::SendExperienceOrb(const cExpOrb & a_ExpOrb) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x11); + Pkt.WriteVarInt(a_ExpOrb.GetUniqueID()); + Pkt.WriteFPInt(a_ExpOrb.GetPosX()); + Pkt.WriteFPInt(a_ExpOrb.GetPosY()); + Pkt.WriteFPInt(a_ExpOrb.GetPosZ()); + Pkt.WriteShort(a_ExpOrb.GetReward()); +} + + + + + +void cProtocol180::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3b); + Pkt.WriteString(a_Name); + Pkt.WriteByte(a_Mode); + if ((a_Mode == 0) || (a_Mode == 2)) + { + Pkt.WriteString(a_DisplayName); + Pkt.WriteString("integer"); + } +} + + + + + +void cProtocol180::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3c); + Pkt.WriteString(a_Player); + Pkt.WriteByte(a_Mode); + Pkt.WriteString(a_Objective); + + if (a_Mode != 1) + { + Pkt.WriteVarInt((UInt32) a_Score); + } +} + + + + + +void cProtocol180::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3d); + Pkt.WriteByte((int) a_Display); + Pkt.WriteString(a_Objective); +} + + + + + +void cProtocol180::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, 0x29); // Sound Effect packet + Pkt.WriteString(a_SoundName); + Pkt.WriteInt((int)(a_X * 8.0)); + Pkt.WriteInt((int)(a_Y * 8.0)); + Pkt.WriteInt((int)(a_Z * 8.0)); + Pkt.WriteFloat(a_Volume); + Pkt.WriteByte((Byte)(a_Pitch * 63)); +} + + + + + +void cProtocol180::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x28); // Effect packet + Pkt.WriteInt(a_EffectID); + Pkt.WritePosition(a_SrcX, a_SrcY, a_SrcZ); + Pkt.WriteInt(a_Data); + Pkt.WriteBool(false); +} + + + + + +void cProtocol180::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0e); // Spawn Object packet + Pkt.WriteVarInt(a_FallingBlock.GetUniqueID()); + Pkt.WriteByte(70); // Falling block + Pkt.WriteFPInt(a_FallingBlock.GetPosX()); + Pkt.WriteFPInt(a_FallingBlock.GetPosY()); + Pkt.WriteFPInt(a_FallingBlock.GetPosZ()); + Pkt.WriteByteAngle(a_FallingBlock.GetYaw()); + Pkt.WriteByteAngle(a_FallingBlock.GetPitch()); + Pkt.WriteInt(((int)a_FallingBlock.GetBlockType()) | (((int)a_FallingBlock.GetBlockMeta()) << 12)); + Pkt.WriteShort((short)(a_FallingBlock.GetSpeedX() * 400)); + Pkt.WriteShort((short)(a_FallingBlock.GetSpeedY() * 400)); + Pkt.WriteShort((short)(a_FallingBlock.GetSpeedZ() * 400)); +} + + + + + +void cProtocol180::SendSpawnMob(const cMonster & a_Mob) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0f); // Spawn Mob packet + Pkt.WriteVarInt(a_Mob.GetUniqueID()); + Pkt.WriteByte((Byte)a_Mob.GetMobType()); + Pkt.WriteFPInt(a_Mob.GetPosX()); + Pkt.WriteFPInt(a_Mob.GetPosY()); + Pkt.WriteFPInt(a_Mob.GetPosZ()); + Pkt.WriteByteAngle(a_Mob.GetPitch()); + Pkt.WriteByteAngle(a_Mob.GetHeadYaw()); + Pkt.WriteByteAngle(a_Mob.GetYaw()); + Pkt.WriteShort((short)(a_Mob.GetSpeedX() * 400)); + Pkt.WriteShort((short)(a_Mob.GetSpeedY() * 400)); + Pkt.WriteShort((short)(a_Mob.GetSpeedZ() * 400)); + Pkt.WriteEntityMetadata(a_Mob); + Pkt.WriteByte(0x7f); // Metadata terminator +} + + + + + +void cProtocol180::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) +{ + ASSERT(m_State == 3); // In game mode? + double PosX = a_Entity.GetPosX(); + double PosZ = a_Entity.GetPosZ(); + double Yaw = a_Entity.GetYaw(); + if (a_ObjectType == 71) + { + FixItemFramePositions(a_ObjectData, PosX, PosZ, Yaw); + } + + cPacketizer Pkt(*this, 0xe); // Spawn Object packet + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteByte(a_ObjectType); + Pkt.WriteFPInt(PosX); + Pkt.WriteFPInt(a_Entity.GetPosY()); + Pkt.WriteFPInt(PosZ); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteByteAngle(Yaw); + Pkt.WriteInt(a_ObjectData); + if (a_ObjectData != 0) + { + Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400)); + Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400)); + Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400)); + } +} + + + + + +void cProtocol180::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0xe); // Spawn Object packet + Pkt.WriteVarInt(a_Vehicle.GetUniqueID()); + Pkt.WriteByte(a_VehicleType); + Pkt.WriteFPInt(a_Vehicle.GetPosX()); + Pkt.WriteFPInt(a_Vehicle.GetPosY()); + Pkt.WriteFPInt(a_Vehicle.GetPosZ()); + Pkt.WriteByteAngle(a_Vehicle.GetPitch()); + Pkt.WriteByteAngle(a_Vehicle.GetYaw()); + Pkt.WriteInt(a_VehicleSubType); + if (a_VehicleSubType != 0) + { + Pkt.WriteShort((short)(a_Vehicle.GetSpeedX() * 400)); + Pkt.WriteShort((short)(a_Vehicle.GetSpeedY() * 400)); + Pkt.WriteShort((short)(a_Vehicle.GetSpeedZ() * 400)); + } +} + + + + + +void cProtocol180::SendStatistics(const cStatManager & a_Manager) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x37); + Pkt.WriteVarInt(statCount); // TODO 2014-05-11 xdot: Optimization: Send "dirty" statistics only + + for (size_t i = 0; i < (size_t)statCount; ++i) + { + StatValue Value = a_Manager.GetValue((eStatistic) i); + const AString & StatName = cStatInfo::GetName((eStatistic) i); + + Pkt.WriteString(StatName); + Pkt.WriteVarInt(Value); + } +} + + + + + +void cProtocol180::SendTabCompletionResults(const AStringVector & a_Results) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3a); // Tab-Complete packet + Pkt.WriteVarInt((int)a_Results.size()); + + for (AStringVector::const_iterator itr = a_Results.begin(), end = a_Results.end(); itr != end; ++itr) + { + Pkt.WriteString(*itr); + } +} + + + + + +void cProtocol180::SendTeleportEntity(const cEntity & a_Entity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x18); + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WriteFPInt(a_Entity.GetPosX()); + Pkt.WriteFPInt(a_Entity.GetPosY()); + Pkt.WriteFPInt(a_Entity.GetPosZ()); + Pkt.WriteByteAngle(a_Entity.GetYaw()); + Pkt.WriteByteAngle(a_Entity.GetPitch()); + Pkt.WriteBool(true); // TODO: IsOnGrond() on entities +} + + + + + +void cProtocol180::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2c); // Spawn Global Entity packet + Pkt.WriteVarInt(0); // EntityID = 0, always + Pkt.WriteByte(1); // Type = Thunderbolt + Pkt.WriteFPInt(a_BlockX); + Pkt.WriteFPInt(a_BlockY); + Pkt.WriteFPInt(a_BlockZ); +} + + + + + +void cProtocol180::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) +{ + ASSERT(m_State == 3); // In game mode? + if (!a_DoDaylightCycle) + { + // When writing a "-" before the number the client ignores it but it will stop the client-side time expiration. + a_TimeOfDay = std::min(-a_TimeOfDay, -1LL); + } + + cPacketizer Pkt(*this, 0x03); + Pkt.WriteInt64(a_WorldAge); + Pkt.WriteInt64(a_TimeOfDay); +} + + + + + +void cProtocol180::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x21); // Chunk Data packet + Pkt.WriteInt(a_ChunkX); + Pkt.WriteInt(a_ChunkZ); + Pkt.WriteBool(true); + Pkt.WriteShort(0); // Primary bitmap + Pkt.WriteVarInt(0); // Data size +} + + + + +void cProtocol180::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x35); // Update tile entity packet + Pkt.WritePosition(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_FLOWER_POT: Action = 5; break; // Update flower pot + default: ASSERT(!"Unhandled or unimplemented BlockEntity update request!"); break; + } + Pkt.WriteByte(Action); + + Pkt.WriteBlockEntity(a_BlockEntity); +} + + + + + +void cProtocol180::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x33); + Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ); + Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line1.c_str())); + Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line2.c_str())); + Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line3.c_str())); + Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line4.c_str())); +} + + + + + +void cProtocol180::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x0a); + Pkt.WriteVarInt(a_Entity.GetUniqueID()); + Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ); +} + + + + + +void cProtocol180::SendWeather(eWeather a_Weather) +{ + ASSERT(m_State == 3); // In game mode? + + { + cPacketizer Pkt(*this, 0x2b); // Change Game State packet + Pkt.WriteByte((a_Weather == wSunny) ? 1 : 2); // End rain / begin rain + Pkt.WriteFloat(0); // Unused for weather + } + + // TODO: Fade effect, somehow +} + + + + + +void cProtocol180::SendWholeInventory(const cWindow & a_Window) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x30); // Window Items packet + Pkt.WriteChar(a_Window.GetWindowID()); + Pkt.WriteShort(a_Window.GetNumSlots()); + cItems Slots; + a_Window.GetSlots(*(m_Client->GetPlayer()), Slots); + for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr) + { + Pkt.WriteItem(*itr); + } // for itr - Slots[] +} + + + + + +void cProtocol180::SendWindowClose(const cWindow & a_Window) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x2e); + Pkt.WriteChar(a_Window.GetWindowID()); +} + + + + + +void cProtocol180::SendWindowOpen(const cWindow & a_Window) +{ + ASSERT(m_State == 3); // In game mode? + + if (a_Window.GetWindowType() < 0) + { + // Do not send this packet for player inventory windows + return; + } + + cPacketizer Pkt(*this, 0x2d); + Pkt.WriteChar(a_Window.GetWindowID()); + Pkt.WriteString(a_Window.GetWindowTypeName()); + Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_Window.GetWindowTitle().c_str())); + + switch (a_Window.GetWindowType()) + { + case cWindow::wtWorkbench: + case cWindow::wtEnchantment: + case cWindow::wtAnvil: + { + Pkt.WriteChar(0); + break; + } + default: + { + Pkt.WriteChar(a_Window.GetNumNonInventorySlots()); + break; + } + } + + if (a_Window.GetWindowType() == cWindow::wtAnimalChest) + { + Pkt.WriteInt(0); // TODO: The animal's EntityID + } +} + + + + + +void cProtocol180::SendWindowProperty(const cWindow & a_Window, int a_Property, int a_Value) +{ + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x31); // Window Property packet + Pkt.WriteChar(a_Window.GetWindowID()); + Pkt.WriteShort(a_Property); + Pkt.WriteShort(a_Value); +} + + + + + +bool cProtocol180::CompressPacket(const AString & a_Packet, AString & a_CompressedData) +{ + // Compress the data: + char CompressedData[MAX_COMPRESSED_PACKET_LEN]; + + uLongf CompressedSize = compressBound(a_Packet.size()); + if (CompressedSize >= MAX_COMPRESSED_PACKET_LEN) + { + ASSERT(!"Too high packet size."); + return false; + } + + int Status = compress2((Bytef*)CompressedData, &CompressedSize, (const Bytef*)a_Packet.data(), a_Packet.size(), Z_DEFAULT_COMPRESSION); + if (Status != Z_OK) + { + return false; + } + + AString LengthData; + cByteBuffer Buffer(20); + Buffer.WriteVarInt((UInt32)a_Packet.size()); + Buffer.ReadAll(LengthData); + Buffer.CommitRead(); + + Buffer.WriteVarInt(CompressedSize + LengthData.size()); + Buffer.WriteVarInt(a_Packet.size()); + Buffer.ReadAll(LengthData); + Buffer.CommitRead(); + + a_CompressedData.clear(); + a_CompressedData.reserve(LengthData.size() + CompressedSize); + a_CompressedData.append(LengthData.data(), LengthData.size()); + a_CompressedData.append(CompressedData, CompressedSize); + return true; +} + + + + + +int cProtocol180::GetParticleID(const AString & a_ParticleName) +{ + static bool IsInitialized = false; + static std::map<AString, int> ParticleMap; + if (!IsInitialized) + { + // Initialize the ParticleMap: + ParticleMap["explode"] = 0; + ParticleMap["largeexplode"] = 1; + ParticleMap["hugeexplosion"] = 2; + ParticleMap["fireworksspark"] = 3; + ParticleMap["bubble"] = 4; + ParticleMap["splash"] = 5; + ParticleMap["wake"] = 6; + ParticleMap["suspended"] = 7; + ParticleMap["depthsuspend"] = 8; + ParticleMap["crit"] = 9; + ParticleMap["magiccrit"] = 10; + ParticleMap["smoke"] = 11; + ParticleMap["largesmoke"] = 12; + ParticleMap["spell"] = 13; + ParticleMap["instantspell"] = 14; + ParticleMap["mobspell"] = 15; + ParticleMap["mobspellambient"] = 16; + ParticleMap["witchmagic"] = 17; + ParticleMap["dripwater"] = 18; + ParticleMap["driplava"] = 19; + ParticleMap["angryvillager"] = 20; + ParticleMap["happyVillager"] = 21; + ParticleMap["townaura"] = 22; + ParticleMap["note"] = 23; + ParticleMap["portal"] = 24; + ParticleMap["enchantmenttable"] = 25; + ParticleMap["flame"] = 26; + ParticleMap["lava"] = 27; + ParticleMap["footstep"] = 28; + ParticleMap["cloud"] = 29; + ParticleMap["reddust"] = 30; + ParticleMap["snowballpoof"] = 31; + ParticleMap["snowshovel"] = 32; + ParticleMap["slime"] = 33; + ParticleMap["heart"] = 34; + ParticleMap["barrier"] = 35; + ParticleMap["iconcrack"] = 36; + ParticleMap["blockcrack"] = 37; + ParticleMap["blockdust"] = 38; + ParticleMap["droplet"] = 39; + ParticleMap["take"] = 40; + ParticleMap["mobappearance"] = 41; + } + + AString ParticleName = StrToLower(a_ParticleName); + if (ParticleMap.find(ParticleName) == ParticleMap.end()) + { + LOGWARNING("Unknown particle: %s", a_ParticleName.c_str()); + ASSERT(!"Unknown particle"); + return 0; + } + + return ParticleMap[ParticleName]; +} + + + + + +void cProtocol180::FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw) +{ + switch (a_ObjectData) + { + case 0: + { + a_PosZ += 1; + a_Yaw = 0; + break; + } + case 1: + { + a_PosX -= 1; + a_Yaw = 90; + break; + } + case 2: + { + a_PosZ -= 1; + a_Yaw = 180; + break; + } + case 3: + { + a_PosX += 1; + a_Yaw = 270; + break; + } + } +} + + + + + +void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) +{ + // Write the incoming data into the comm log file: + if (g_ShouldLogCommIn) + { + if (m_ReceivedData.GetReadableSpace() > 0) + { + AString AllData; + size_t OldReadableSpace = m_ReceivedData.GetReadableSpace(); + m_ReceivedData.ReadAll(AllData); + m_ReceivedData.ResetRead(); + m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace); + ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace); + AString Hex; + CreateHexDump(Hex, AllData.data(), AllData.size(), 16); + m_CommLogFile.Printf("Incoming data, " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") unparsed bytes already present in buffer:\n%s\n", + AllData.size(), AllData.size(), Hex.c_str() + ); + } + AString Hex; + CreateHexDump(Hex, a_Data, a_Size, 16); + m_CommLogFile.Printf("Incoming data: %d (0x%x) bytes: \n%s\n", + (unsigned)a_Size, (unsigned)a_Size, Hex.c_str() + ); + m_CommLogFile.Flush(); + } + + if (!m_ReceivedData.Write(a_Data, a_Size)) + { + // Too much data in the incoming queue, report to caller: + m_Client->PacketBufferFull(); + return; + } + + // Handle all complete packets: + for (;;) + { + UInt32 PacketLen; + if (!m_ReceivedData.ReadVarInt(PacketLen)) + { + // Not enough data + m_ReceivedData.ResetRead(); + break; + } + if (!m_ReceivedData.CanReadBytes(PacketLen)) + { + // The full packet hasn't been received yet + m_ReceivedData.ResetRead(); + break; + } + cByteBuffer bb(PacketLen); + VERIFY(m_ReceivedData.ReadToByteBuffer(bb, (int)PacketLen)); + m_ReceivedData.CommitRead(); + + // Compressed packets + if (m_State == 3) + { + UInt32 CompressedSize; + if (!bb.ReadVarInt(CompressedSize)) + { + // Not enough data + break; + } + } + + // Write one NUL extra, so that we can detect over-reads + bb.Write("\0", 1); + + UInt32 PacketType; + if (!bb.ReadVarInt(PacketType)) + { + // Not enough data + break; + } + + // Log the packet info into the comm log file: + if (g_ShouldLogCommIn) + { + AString PacketData; + bb.ReadAll(PacketData); + bb.ResetRead(); + bb.ReadVarInt(PacketType); + ASSERT(PacketData.size() > 0); + PacketData.resize(PacketData.size() - 1); + AString PacketDataHex; + CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16); + m_CommLogFile.Printf("Next incoming packet is type %u (0x%x), length %u (0x%x) at state %d. Payload:\n%s\n", + PacketType, PacketType, PacketLen, PacketLen, m_State, PacketDataHex.c_str() + ); + } + + if (!HandlePacket(bb, PacketType)) + { + // Unknown packet, already been reported, but without the length. Log the length here: + LOGWARNING("Unhandled packet: type 0x%x, state %d, length %u", PacketType, m_State, PacketLen); + + #ifdef _DEBUG + // Dump the packet contents into the log: + bb.ResetRead(); + AString Packet; + bb.ReadAll(Packet); + Packet.resize(Packet.size() - 1); // Drop the final NUL pushed there for over-read detection + AString Out; + CreateHexDump(Out, Packet.data(), (int)Packet.size(), 24); + LOGD("Packet contents:\n%s", Out.c_str()); + #endif // _DEBUG + + // Put a message in the comm log: + if (g_ShouldLogCommIn) + { + m_CommLogFile.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n"); + } + + return; + } + + if (bb.GetReadableSpace() != 0) + { + // Read more or less than packet length, report as error + LOGWARNING("Protocol 1.8: Wrong number of bytes read for packet 0x%x, state %d. Read " SIZE_T_FMT " bytes, packet contained %u bytes", + PacketType, m_State, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen + ); + + // Put a message in the comm log: + if (g_ShouldLogCommIn) + { + m_CommLogFile.Printf("^^^^^^ Wrong number of bytes read for this packet (exp %d left, got " SIZE_T_FMT " left) ^^^^^^\n\n\n", + 1, bb.GetReadableSpace() + ); + m_CommLogFile.Flush(); + } + + ASSERT(!"Read wrong number of bytes!"); + m_Client->PacketError(PacketType); + } + } // for (ever) + + // Log any leftover bytes into the logfile: + if (g_ShouldLogCommIn && (m_ReceivedData.GetReadableSpace() > 0)) + { + AString AllData; + size_t OldReadableSpace = m_ReceivedData.GetReadableSpace(); + m_ReceivedData.ReadAll(AllData); + m_ReceivedData.ResetRead(); + m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace); + ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace); + AString Hex; + CreateHexDump(Hex, AllData.data(), AllData.size(), 16); + m_CommLogFile.Printf("There are " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") bytes of non-parse-able data left in the buffer:\n%s", + m_ReceivedData.GetReadableSpace(), m_ReceivedData.GetReadableSpace(), Hex.c_str() + ); + m_CommLogFile.Flush(); + } +} + + + + +bool cProtocol180::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: HandlePacketKeepAlive (a_ByteBuffer); return true; + case 0x01: HandlePacketChatMessage (a_ByteBuffer); return true; + case 0x02: HandlePacketUseEntity (a_ByteBuffer); return true; + case 0x03: HandlePacketPlayer (a_ByteBuffer); return true; + case 0x04: HandlePacketPlayerPos (a_ByteBuffer); return true; + case 0x05: HandlePacketPlayerLook (a_ByteBuffer); return true; + case 0x06: HandlePacketPlayerPosLook (a_ByteBuffer); return true; + case 0x07: HandlePacketBlockDig (a_ByteBuffer); return true; + case 0x08: HandlePacketBlockPlace (a_ByteBuffer); return true; + case 0x09: HandlePacketSlotSelect (a_ByteBuffer); return true; + case 0x0a: HandlePacketAnimation (a_ByteBuffer); return true; + case 0x0b: HandlePacketEntityAction (a_ByteBuffer); return true; + case 0x0c: HandlePacketSteerVehicle (a_ByteBuffer); return true; + case 0x0d: HandlePacketWindowClose (a_ByteBuffer); return true; + case 0x0e: HandlePacketWindowClick (a_ByteBuffer); return true; + case 0x0f: // Confirm transaction - not used in MCS + case 0x10: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true; + case 0x11: HandlePacketEnchantItem (a_ByteBuffer); return true; + case 0x12: HandlePacketUpdateSign (a_ByteBuffer); return true; + case 0x13: HandlePacketPlayerAbilities (a_ByteBuffer); return true; + case 0x14: HandlePacketTabComplete (a_ByteBuffer); return true; + case 0x15: HandlePacketClientSettings (a_ByteBuffer); return true; + case 0x16: HandlePacketClientStatus (a_ByteBuffer); return true; + case 0x17: HandlePacketPluginMessage (a_ByteBuffer); return true; + } + 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 cProtocol180::HandlePacketStatusPing(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Timestamp); + + cPacketizer Pkt(*this, 0x01); // Ping packet + Pkt.WriteInt64(Timestamp); +} + + + + + +void cProtocol180::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) +{ + cServer * Server = cRoot::Get()->GetServer(); + AString ServerDescription = Server->GetDescription(); + int NumPlayers = Server->GetNumPlayers(); + int MaxPlayers = Server->GetMaxPlayers(); + AString Favicon = Server->GetFaviconData(); + cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon); + + // Version: + Json::Value Version; + Version["name"] = "1.8"; + Version["protocol"] = 47; + + // Players: + Json::Value Players; + Players["online"] = NumPlayers; + Players["max"] = MaxPlayers; + // TODO: Add "sample" + + // Description: + Json::Value Description; + Description["text"] = ServerDescription.c_str(); + + // Create the response: + Json::Value ResponseValue; + ResponseValue["version"] = Version; + ResponseValue["players"] = Players; + ResponseValue["description"] = Description; + if (!Favicon.empty()) + { + ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str()); + } + + Json::StyledWriter Writer; + AString Response = Writer.write(ResponseValue); + + cPacketizer Pkt(*this, 0x00); // Response packet + Pkt.WriteString(Response); +} + + + + + +void cProtocol180::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer) +{ + UInt32 EncKeyLength, EncNonceLength; + a_ByteBuffer.ReadVarInt(EncKeyLength); + AString EncKey; + if (!a_ByteBuffer.ReadString(EncKey, EncKeyLength)) + { + return; + } + a_ByteBuffer.ReadVarInt(EncNonceLength); + AString EncNonce; + if (!a_ByteBuffer.ReadString(EncNonce, EncNonceLength)) + { + return; + } + if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN)) + { + LOGD("Too long encryption"); + m_Client->Kick("Hacked client"); + return; + } + + // Decrypt EncNonce using privkey + cRsaPrivateKey & rsaDecryptor = cRoot::Get()->GetServer()->GetPrivateKey(); + Int32 DecryptedNonce[MAX_ENC_LEN / sizeof(Int32)]; + int res = rsaDecryptor.Decrypt((const Byte *)EncNonce.data(), EncNonce.size(), (Byte *)DecryptedNonce, sizeof(DecryptedNonce)); + if (res != 4) + { + LOGD("Bad nonce length: got %d, exp %d", res, 4); + m_Client->Kick("Hacked client"); + return; + } + if (ntohl(DecryptedNonce[0]) != (unsigned)(uintptr_t)this) + { + LOGD("Bad nonce value"); + m_Client->Kick("Hacked client"); + return; + } + + // Decrypt the symmetric encryption key using privkey: + Byte DecryptedKey[MAX_ENC_LEN]; + res = rsaDecryptor.Decrypt((const Byte *)EncKey.data(), EncKey.size(), DecryptedKey, sizeof(DecryptedKey)); + if (res != 16) + { + LOGD("Bad key length"); + m_Client->Kick("Hacked client"); + return; + } + + StartEncryption(DecryptedKey); + m_Client->HandleLogin(4, m_Client->GetUsername()); +} + + + + + +void cProtocol180::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer) +{ + AString Username; + if (!a_ByteBuffer.ReadVarUTF8String(Username)) + { + m_Client->Kick("Bad username"); + return; + } + + if (!m_Client->HandleHandshake(Username)) + { + // The client is not welcome here, they have been sent a Kick packet already + return; + } + + cServer * Server = cRoot::Get()->GetServer(); + // If auth is required, then send the encryption request: + if (Server->ShouldAuthenticate()) + { + cPacketizer Pkt(*this, 0x01); + Pkt.WriteString(Server->GetServerID()); + const AString & PubKeyDer = Server->GetPublicKeyDER(); + Pkt.WriteVarInt((short)PubKeyDer.size()); + Pkt.WriteBuf(PubKeyDer.data(), PubKeyDer.size()); + Pkt.WriteVarInt(4); + Pkt.WriteInt((int)(intptr_t)this); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :) + m_Client->SetUsername(Username); + return; + } + + m_Client->HandleLogin(4, Username); +} + + + + + +void cProtocol180::HandlePacketAnimation(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEInt, int, EntityID); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Animation); + m_Client->HandleAnimation(Animation); +} + + + + + +void cProtocol180::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Status); + + int BlockX, BlockY, BlockZ; + if (!a_ByteBuffer.ReadPosition(BlockX, BlockY, BlockZ)) + { + return; + } + + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Face); + m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, static_cast<eBlockFace>(Face), Status); +} + + + + + +void cProtocol180::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer) +{ + int BlockX, BlockY, BlockZ; + if (!a_ByteBuffer.ReadPosition(BlockX, BlockY, BlockZ)) + { + return; + } + + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Face); + if (Face == 255) + { + Face = 0; + } + + cItem Item; + ReadItem(a_ByteBuffer, Item, a_ByteBuffer.GetReadableSpace() - 3); + + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorX); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorY); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorZ); + m_Client->HandleRightClick(BlockX, BlockY, BlockZ, static_cast<eBlockFace>(Face), CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem()); +} + + + + + +void cProtocol180::HandlePacketChatMessage(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Message); + m_Client->HandleChat(Message); +} + + + + + +void cProtocol180::HandlePacketClientSettings(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Locale); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, ViewDistance); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, ChatFlags); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, ChatColors); + HANDLE_READ(a_ByteBuffer, ReadChar, char, SkinFlags); + + m_Client->SetLocale(Locale); + // TODO: Handle other values +} + + + + + +void cProtocol180::HandlePacketClientStatus(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadChar, char, ActionID); + switch (ActionID) + { + case 0: + { + // Respawn + m_Client->HandleRespawn(); + break; + } + case 1: + { + // Request stats + const cStatManager & Manager = m_Client->GetPlayer()->GetStatManager(); + SendStatistics(Manager); + + break; + } + case 2: + { + // Open Inventory achievement + m_Client->GetPlayer()->AwardAchievement(achOpenInv); + break; + } + } +} + + + + + +void cProtocol180::HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEShort, short, SlotNum); + cItem Item; + if (!ReadItem(a_ByteBuffer, Item, a_ByteBuffer.GetReadableSpace())) + { + return; + } + m_Client->HandleCreativeInventory(SlotNum, Item); +} + + + + + +void cProtocol180::HandlePacketEntityAction(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, PlayerID); + HANDLE_READ(a_ByteBuffer, ReadChar, char, 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 + } +} + + + + + +void cProtocol180::HandlePacketKeepAlive(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, KeepAliveID); + m_Client->HandleKeepAlive((int)KeepAliveID); +} + + + + + +void cProtocol180::HandlePacketPlayer(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + // TODO: m_Client->HandlePlayerOnGround(IsOnGround); +} + + + + + +void cProtocol180::HandlePacketPlayerAbilities(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Flags); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, FlyingSpeed); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, WalkingSpeed); + + bool IsFlying = false, CanFly = false; + if ((Flags & 2) != 0) + { + IsFlying = true; + } + if ((Flags & 4) != 0) + { + CanFly = true; + } + + m_Client->HandlePlayerAbilities(CanFly, IsFlying, FlyingSpeed, WalkingSpeed); +} + + + + + +void cProtocol180::HandlePacketPlayerLook(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Yaw); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Pitch); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + m_Client->HandlePlayerLook(Yaw, Pitch, IsOnGround); +} + + + + + +void cProtocol180::HandlePacketPlayerPos(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + m_Client->HandlePlayerPos(PosX, PosY, PosZ, PosY + 1.62, IsOnGround); +} + + + + + +void cProtocol180::HandlePacketPlayerPosLook(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY); + HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Yaw); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Pitch); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround); + m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, PosY + 1.62, Yaw, Pitch, IsOnGround); +} + + + + + +void cProtocol180::HandlePacketPluginMessage(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Channel); + AString Data; + a_ByteBuffer.ReadAll(Data); + m_Client->HandlePluginMessage(Channel, Data); +} + + + + + +void cProtocol180::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEShort, short, SlotNum); + m_Client->HandleSlotSelected(SlotNum); +} + + + + + +void cProtocol180::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Forward); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways); + HANDLE_READ(a_ByteBuffer, ReadChar, char, Flags); + + if ((Flags & 0x2) != 0) + { + m_Client->HandleUnmount(); + } + else if ((Flags & 0x1) != 0) + { + m_Client->HandleSteerVehicle(Forward, Sideways); + } +} + + + + + +void cProtocol180::HandlePacketTabComplete(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Text); + HANDLE_READ(a_ByteBuffer, ReadBool, bool, HasPosition); + + if (HasPosition) + { + HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Position); + } + + m_Client->HandleTabCompletion(Text); +} + + + + + +void cProtocol180::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer) +{ + int BlockX, BlockY, BlockZ; + if (!a_ByteBuffer.ReadPosition(BlockX, BlockY, BlockZ)) + { + return; + } + + AString Lines[4]; + for (int i = 0; i < 4; i++) + { + HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line); + Lines[i] = Line.substr(1, Line.length() - 2); // Remove "" + } + + m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Lines[0], Lines[1], Lines[2], Lines[3]); +} + + + + + +void cProtocol180::HandlePacketUseEntity(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, EntityID); + HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Type); + + switch (Type) + { + case 0: + { + m_Client->HandleUseEntity((int)EntityID, false); + break; + } + case 1: + { + m_Client->HandleUseEntity((int)EntityID, true); + break; + } + case 2: + { + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetX); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetY); + HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetZ); + + // TODO: Do anything + break; + } + default: + { + ASSERT(!"Unhandled use entity type!"); + return; + } + } +} + + + + + +void cProtocol180::HandlePacketEnchantItem(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, WindowID); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Enchantment); + + m_Client->HandleEnchantItem(WindowID, Enchantment); +} + + + + + +void cProtocol180::HandlePacketWindowClick(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadChar, char, WindowID); + HANDLE_READ(a_ByteBuffer, ReadBEShort, short, SlotNum); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Button); + HANDLE_READ(a_ByteBuffer, ReadBEShort, short, TransactionID); + HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Mode); + cItem Item; + ReadItem(a_ByteBuffer, Item, a_ByteBuffer.GetReadableSpace()); + + // Convert Button, Mode, SlotNum and HeldItem into eClickAction: + eClickAction Action; + switch ((Mode << 8) | Button) + { + case 0x0000: Action = (SlotNum != -999) ? caLeftClick : caLeftClickOutside; break; + case 0x0001: Action = (SlotNum != -999) ? 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 0x0300: Action = caMiddleClick; break; + case 0x0400: Action = (SlotNum == -999) ? caLeftClickOutsideHoldNothing : caDropKey; break; + case 0x0401: Action = (SlotNum == -999) ? caRightClickOutsideHoldNothing : caCtrlDropKey; break; + case 0x0500: Action = (SlotNum == -999) ? caLeftPaintBegin : caUnknown; break; + case 0x0501: Action = (SlotNum != -999) ? caLeftPaintProgress : caUnknown; break; + case 0x0502: Action = (SlotNum == -999) ? caLeftPaintEnd : caUnknown; break; + case 0x0504: Action = (SlotNum == -999) ? caRightPaintBegin : caUnknown; break; + case 0x0505: Action = (SlotNum != -999) ? caRightPaintProgress : caUnknown; break; + case 0x0506: Action = (SlotNum == -999) ? caRightPaintEnd : 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 cProtocol180::HandlePacketWindowClose(cByteBuffer & a_ByteBuffer) +{ + HANDLE_READ(a_ByteBuffer, ReadChar, char, WindowID); + m_Client->HandleWindowClose(WindowID); +} + + + + + +void cProtocol180::WritePacket(cByteBuffer & a_Packet) +{ + cCSLock Lock(m_CSPacket); + AString Pkt; + a_Packet.ReadAll(Pkt); + WriteVarInt((UInt32)Pkt.size()); + SendData(Pkt.data(), Pkt.size()); + Flush(); +} + + + + + +void cProtocol180::SendData(const char * a_Data, size_t a_Size) +{ + if (m_IsEncrypted) + { + Byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks) + while (a_Size > 0) + { + size_t NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size; + m_Encryptor.ProcessData(Encrypted, (Byte *)a_Data, NumBytes); + m_Client->SendData((const char *)Encrypted, NumBytes); + a_Size -= NumBytes; + a_Data += NumBytes; + } + } + else + { + m_Client->SendData(a_Data, a_Size); + } +} + + + + + +bool cProtocol180::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_MetadataSize) +{ + HANDLE_PACKET_READ(a_ByteBuffer, ReadBEShort, short, ItemType); + if (ItemType == -1) + { + // The item is empty, no more data follows + a_Item.Empty(); + return true; + } + a_Item.m_ItemType = ItemType; + + HANDLE_PACKET_READ(a_ByteBuffer, ReadChar, char, ItemCount); + HANDLE_PACKET_READ(a_ByteBuffer, ReadBEShort, short, ItemDamage); + a_Item.m_ItemCount = ItemCount; + a_Item.m_ItemDamage = ItemDamage; + if (ItemCount <= 0) + { + a_Item.Empty(); + } + + AString Metadata; + if (!a_ByteBuffer.ReadString(Metadata, a_MetadataSize) || (Metadata.size() == 0) || (Metadata[0] == 0)) + { + // No metadata + return true; + } + + ParseItemMetadata(a_Item, Metadata); + return true; +} + + + + + +void cProtocol180::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(), a_Metadata.size(), 16); + LOGWARNING("Cannot parse NBT item metadata: (" SIZE_T_FMT " bytes)\n%s", 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 + { + AString Lore; + + for (int loretag = NBT.GetFirstChild(displaytag); loretag >= 0; loretag = NBT.GetNextSibling(loretag)) // Loop through array of strings + { + AppendPrintf(Lore, "%s`", NBT.GetString(loretag).c_str()); // Append the lore with a grave accent/backtick, used internally by MCS to display a new line in the client; don't forget to c_str ;) + } + + a_Item.m_Lore = Lore; + } + } + } + else if ((TagName == "Fireworks") || (TagName == "Explosion")) + { + cFireworkItem::ParseFromNBT(a_Item.m_FireworkItem, NBT, tag, (ENUM_ITEM_ID)a_Item.m_ItemType); + } + break; + } + case TAG_Int: + { + if (TagName == "RepairCost") + { + a_Item.m_RepairCost = NBT.GetInt(tag); + } + } + default: LOGD("Unimplemented NBT data when parsing!"); break; + } + } +} + + + + + +void cProtocol180::StartEncryption(const Byte * a_Key) +{ + m_Encryptor.Init(a_Key, a_Key); + m_Decryptor.Init(a_Key, a_Key); + m_IsEncrypted = true; + + // Prepare the m_AuthServerID: + cSha1Checksum Checksum; + cServer * Server = cRoot::Get()->GetServer(); + const AString & ServerID = Server->GetServerID(); + Checksum.Update((const Byte *)ServerID.c_str(), ServerID.length()); + Checksum.Update(a_Key, 16); + Checksum.Update((const Byte *)Server->GetPublicKeyDER().data(), Server->GetPublicKeyDER().size()); + Byte Digest[20]; + Checksum.Finalize(Digest); + cSha1Checksum::DigestToJava(Digest, m_AuthServerID); +} + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cProtocol180::cPacketizer: + +cProtocol180::cPacketizer::~cPacketizer() +{ + UInt32 PacketLen = (UInt32)m_Out.GetUsedSpace(); + AString PacketData, CompressedPacket; + m_Out.ReadAll(PacketData); + m_Out.CommitRead(); + + if ((m_Protocol.m_State == 3) && (PacketLen >= 256)) + { + if (!cProtocol180::CompressPacket(PacketData, CompressedPacket)) + { + return; + } + } + else if (m_Protocol.m_State == 3) + { + m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen + 1); + m_Protocol.m_OutPacketLenBuffer.WriteVarInt(0); + + AString LengthData; + m_Protocol.m_OutPacketLenBuffer.ReadAll(LengthData); + m_Protocol.SendData(LengthData.data(), LengthData.size()); + } + else + { + m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen); + + AString LengthData; + m_Protocol.m_OutPacketLenBuffer.ReadAll(LengthData); + m_Protocol.SendData(LengthData.data(), LengthData.size()); + } + + if (CompressedPacket.empty()) + { + m_Protocol.m_OutPacketLenBuffer.CommitRead(); + m_Protocol.SendData(PacketData.data(), PacketData.size()); + } + else + { + m_Protocol.SendData(CompressedPacket.data(), CompressedPacket.size()); + } + + // Log the comm into logfile: + if (g_ShouldLogCommOut) + { + AString Hex; + ASSERT(PacketData.size() > 0); + CreateHexDump(Hex, PacketData.data() + 1, PacketData.size() - 1, 16); + m_Protocol.m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload:\n%s\n", + PacketData[0], PacketData[0], PacketLen, PacketLen, m_Protocol.m_State, Hex.c_str() + ); + } +} + + + + + +void cProtocol180::cPacketizer::WriteUUID(const AString & a_UUID) +{ + if (a_UUID.length() != 32) + { + LOGWARNING("Attempt to send a bad uuid (length isn't 32): %s", a_UUID.c_str()); + ASSERT(!"Wrong uuid length!"); + return; + } + AString UUID_1 = a_UUID.substr(0, 16); + AString UUID_2 = a_UUID.substr(16); + + Int64 Value_1, Value_2; + sscanf(UUID_1.c_str(), "%llx", &Value_1); + sscanf(UUID_2.c_str(), "%llx", &Value_2); + + WriteInt64(Value_1); + WriteInt64(Value_2); +} + + + + + +void cProtocol180::cPacketizer::WriteItem(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()) + { + WriteShort(-1); + return; + } + + WriteShort(ItemType); + WriteByte (a_Item.m_ItemCount); + WriteShort(a_Item.m_ItemDamage); + + if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (a_Item.m_ItemType != E_ITEM_FIREWORK_ROCKET) && (a_Item.m_ItemType != E_ITEM_FIREWORK_STAR)) + { + WriteChar(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()) + { + Writer.BeginCompound("display"); + if (!a_Item.IsCustomNameEmpty()) + { + Writer.AddString("Name", a_Item.m_CustomName.c_str()); + } + if (!a_Item.IsLoreEmpty()) + { + Writer.BeginList("Lore", TAG_String); + + AStringVector Decls = StringSplit(a_Item.m_Lore, "`"); + for (AStringVector::const_iterator itr = Decls.begin(), end = Decls.end(); itr != end; ++itr) + { + if (itr->empty()) + { + // The decl is empty (two `s), ignore + continue; + } + Writer.AddString("", itr->c_str()); + } + + 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, (ENUM_ITEM_ID)a_Item.m_ItemType); + } + Writer.Finish(); + + AString Result = Writer.GetResult(); + if (Result.size() == 0) + { + WriteChar(0); + return; + } + WriteBuf(Result.data(), Result.size()); +} + + + + + +void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEntity) +{ + cFastNBTWriter Writer; + + switch (a_BlockEntity.GetBlockType()) + { + case E_BLOCK_BEACON: + { + cBeaconEntity & BeaconEntity = (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: + { + cCommandBlockEntity & CommandBlockEntity = (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()) + { + AString Output; + Printf(Output, "{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str()); + + Writer.AddString("LastOutput", Output.c_str()); + } + break; + } + case E_BLOCK_HEAD: + { + cMobHeadEntity & MobHeadEntity = (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("ExtraType", MobHeadEntity.GetOwner().c_str()); + Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though + break; + } + case E_BLOCK_FLOWER_POT: + { + cFlowerPotEntity & FlowerPotEntity = (cFlowerPotEntity &)a_BlockEntity; + + Writer.AddInt("x", FlowerPotEntity.GetPosX()); + Writer.AddInt("y", FlowerPotEntity.GetPosY()); + Writer.AddInt("z", FlowerPotEntity.GetPosZ()); + Writer.AddInt("Item", (Int32) FlowerPotEntity.GetItem().m_ItemType); + Writer.AddInt("Data", (Int32) FlowerPotEntity.GetItem().m_ItemDamage); + Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though + break; + } + default: break; + } + + Writer.Finish(); + WriteBuf(Writer.GetResult().data(), Writer.GetResult().size()); +} + + + + + +void cProtocol180::cPacketizer::WriteByteAngle(double a_Angle) +{ + WriteByte((char)(255 * a_Angle / 360)); +} + + + + + +void cProtocol180::cPacketizer::WriteFPInt(double a_Value) +{ + int Value = (int)(a_Value * 32); + WriteInt(Value); +} + + + + + +void cProtocol180::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity) +{ + // Common metadata: + Byte Flags = 0; + if (a_Entity.IsOnFire()) + { + Flags |= 0x01; + } + if (a_Entity.IsCrouched()) + { + Flags |= 0x02; + } + if (a_Entity.IsSprinting()) + { + Flags |= 0x08; + } + if (a_Entity.IsRclking()) + { + Flags |= 0x10; + } + if (a_Entity.IsInvisible()) + { + Flags |= 0x20; + } + WriteByte(0); // Byte(0) + index 0 + WriteByte(Flags); + + switch (a_Entity.GetEntityType()) + { + case cEntity::etPlayer: break; // TODO? + case cEntity::etPickup: + { + WriteByte((5 << 5) | 10); // Slot(5) + index 10 + WriteItem(((const cPickup &)a_Entity).GetItem()); + break; + } + case cEntity::etMinecart: + { + WriteByte(0x51); + + // The following expression makes Minecarts shake more with less health or higher damage taken + // It gets half the maximum health, and takes it away from the current health minus the half health: + /* + Health: 5 | 3 - (5 - 3) = 1 (shake power) + Health: 3 | 3 - (3 - 3) = 3 + Health: 1 | 3 - (1 - 3) = 5 + */ + WriteInt((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * ((const cMinecart &)a_Entity).LastDamage()) * 4); + WriteByte(0x52); + WriteInt(1); // Shaking direction, doesn't seem to affect anything + WriteByte(0x73); + WriteFloat((float)(((const cMinecart &)a_Entity).LastDamage() + 10)); // Damage taken / shake effect multiplyer + + if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpNone) + { + cRideableMinecart & RideableMinecart = ((cRideableMinecart &)a_Entity); + const cItem & MinecartContent = RideableMinecart.GetContent(); + if (!MinecartContent.IsEmpty()) + { + WriteByte(0x54); + int Content = MinecartContent.m_ItemType; + Content |= MinecartContent.m_ItemDamage << 8; + WriteInt(Content); + WriteByte(0x55); + WriteInt(RideableMinecart.GetBlockHeight()); + WriteByte(0x56); + WriteByte(1); + } + } + else if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpFurnace) + { + WriteByte(0x10); + WriteByte(((const cMinecartWithFurnace &)a_Entity).IsFueled() ? 1 : 0); + } + break; + } + case cEntity::etProjectile: + { + cProjectileEntity & Projectile = (cProjectileEntity &)a_Entity; + switch (Projectile.GetProjectileKind()) + { + case cProjectileEntity::pkArrow: + { + WriteByte(0x10); + WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0); + break; + } + case cProjectileEntity::pkFirework: + { + WriteByte(0xA8); + WriteItem(((const cFireworkEntity &)a_Entity).GetItem()); + break; + } + default: break; + } + break; + } + case cEntity::etMonster: + { + WriteMobMetadata((const cMonster &)a_Entity); + break; + } + case cEntity::etItemFrame: + { + cItemFrame & Frame = (cItemFrame &)a_Entity; + WriteByte(0xA8); + WriteItem(Frame.GetItem()); + WriteByte(0x09); + WriteByte(Frame.GetRotation()); + break; + } + default: break; + } +} + + + + + +void cProtocol180::cPacketizer::WriteMobMetadata(const cMonster & a_Mob) +{ + switch (a_Mob.GetMobType()) + { + case cMonster::mtCreeper: + { + WriteByte(0x10); + WriteByte(((const cCreeper &)a_Mob).IsBlowing() ? 1 : -1); + WriteByte(0x11); + WriteByte(((const cCreeper &)a_Mob).IsCharged() ? 1 : 0); + break; + } + + case cMonster::mtBat: + { + WriteByte(0x10); + WriteByte(((const cBat &)a_Mob).IsHanging() ? 1 : 0); + break; + } + + case cMonster::mtPig: + { + WriteByte(0x10); + WriteByte(((const cPig &)a_Mob).IsSaddled() ? 1 : 0); + break; + } + + case cMonster::mtVillager: + { + WriteByte(0x50); + WriteInt(((const cVillager &)a_Mob).GetVilType()); + break; + } + + case cMonster::mtZombie: + { + WriteByte(0x0c); + WriteByte(((const cZombie &)a_Mob).IsBaby() ? 1 : 0); + WriteByte(0x0d); + WriteByte(((const cZombie &)a_Mob).IsVillagerZombie() ? 1 : 0); + WriteByte(0x0e); + WriteByte(((const cZombie &)a_Mob).IsConverting() ? 1 : 0); + break; + } + + case cMonster::mtGhast: + { + WriteByte(0x10); + WriteByte(((const cGhast &)a_Mob).IsCharging()); + break; + } + + case cMonster::mtWolf: + { + const cWolf & Wolf = (const cWolf &)a_Mob; + Byte WolfStatus = 0; + if (Wolf.IsSitting()) + { + WolfStatus |= 0x1; + } + if (Wolf.IsAngry()) + { + WolfStatus |= 0x2; + } + if (Wolf.IsTame()) + { + WolfStatus |= 0x4; + } + WriteByte(0x10); + WriteByte(WolfStatus); + + WriteByte(0x72); + WriteFloat((float)(a_Mob.GetHealth())); + WriteByte(0x13); + WriteByte(Wolf.IsBegging() ? 1 : 0); + WriteByte(0x14); + WriteByte(Wolf.GetCollarColor()); + break; + } + + case cMonster::mtSheep: + { + WriteByte(0x10); + Byte SheepMetadata = 0; + SheepMetadata = ((const cSheep &)a_Mob).GetFurColor(); + if (((const cSheep &)a_Mob).IsSheared()) + { + SheepMetadata |= 0x10; + } + WriteByte(SheepMetadata); + break; + } + + case cMonster::mtEnderman: + { + WriteByte(0x30); + WriteShort((Byte)(((const cEnderman &)a_Mob).GetCarriedBlock())); + WriteByte(0x11); + WriteByte((Byte)(((const cEnderman &)a_Mob).GetCarriedMeta())); + WriteByte(0x12); + WriteByte(((const cEnderman &)a_Mob).IsScreaming() ? 1 : 0); + break; + } + + case cMonster::mtSkeleton: + { + WriteByte(0x0d); + WriteByte(((const cSkeleton &)a_Mob).IsWither() ? 1 : 0); + break; + } + + case cMonster::mtWitch: + { + WriteByte(0x15); + WriteByte(((const cWitch &)a_Mob).IsAngry() ? 1 : 0); + break; + } + + case cMonster::mtWither: + { + WriteByte(0x54); // Int at index 20 + WriteInt(((const cWither &)a_Mob).GetWitherInvulnerableTicks()); + WriteByte(0x66); // Float at index 6 + WriteFloat((float)(a_Mob.GetHealth())); + break; + } + + case cMonster::mtSlime: + { + WriteByte(0x10); + WriteByte(((const cSlime &)a_Mob).GetSize()); + break; + } + + case cMonster::mtMagmaCube: + { + WriteByte(0x10); + WriteByte(((const cMagmaCube &)a_Mob).GetSize()); + break; + } + + case cMonster::mtHorse: + { + const cHorse & Horse = (const cHorse &)a_Mob; + int Flags = 0; + if (Horse.IsTame()) + { + Flags |= 0x02; + } + if (Horse.IsSaddled()) + { + Flags |= 0x04; + } + if (Horse.IsChested()) + { + Flags |= 0x08; + } + if (Horse.IsBaby()) + { + Flags |= 0x10; + } + if (Horse.IsEating()) + { + Flags |= 0x20; + } + if (Horse.IsRearing()) + { + Flags |= 0x40; + } + if (Horse.IsMthOpen()) + { + Flags |= 0x80; + } + WriteByte(0x50); // Int at index 16 + WriteInt(Flags); + WriteByte(0x13); // Byte at index 19 + WriteByte(Horse.GetHorseType()); + WriteByte(0x54); // Int at index 20 + int Appearance = 0; + Appearance = Horse.GetHorseColor(); + Appearance |= Horse.GetHorseStyle() << 8; + WriteInt(Appearance); + WriteByte(0x56); // Int at index 22 + WriteInt(Horse.GetHorseArmour()); + break; + } + } // switch (a_Mob.GetType()) +} + + + + + +void cProtocol180::cPacketizer::WriteEntityProperties(const cEntity & a_Entity) +{ + if (!a_Entity.IsMob()) + { + // No properties for anything else than mobs + WriteInt(0); + return; + } + + // const cMonster & Mob = (const cMonster &)a_Entity; + + // TODO: Send properties and modifiers based on the mob type + + WriteInt(0); // NumProperties +} + + + |