// Protocol18x.h
/*
Declares 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)
*/
#pragma once
#include "Protocol.h"
#include "../ByteBuffer.h"
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4127)
#pragma warning(disable:4244)
#pragma warning(disable:4231)
#pragma warning(disable:4189)
#pragma warning(disable:4702)
#endif
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#include "PolarSSL++/AesCfb128Decryptor.h"
#include "PolarSSL++/AesCfb128Encryptor.h"
// fwd:
namespace Json
{
class Value;
}
class cProtocol180 :
public cProtocol
{
typedef cProtocol super;
public:
cProtocol180(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State);
/** Called when client sends some data: */
virtual void DataReceived(const char * a_Data, size_t a_Size) override;
/** Sending stuff to clients (alphabetically sorted): */
virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) override;
virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) override;
virtual void SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override;
virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override;
virtual void SendChat (const AString & a_Message) override;
virtual void SendChat (const cCompositeChat & a_Message) override;
virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
virtual void SendCollectEntity (const cEntity & a_Entity, const cPlayer & a_Player) override;
virtual void SendDestroyEntity (const cEntity & a_Entity) override;
virtual void SendDisconnect (const AString & a_Reason) override;
virtual void SendEditSign (int a_BlockX, int a_BlockY, int a_BlockZ) override; ///< Request the client to open up the sign editor for the sign (1.6+)
virtual void SendEntityEffect (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) override;
virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override;
virtual void SendEntityHeadLook (const cEntity & a_Entity) override;
virtual void SendEntityLook (const cEntity & a_Entity) override;
virtual void SendEntityMetadata (const cEntity & a_Entity) override;
virtual void SendEntityProperties (const cEntity & a_Entity) override;
virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) override;
virtual void SendEntityVelocity (const cEntity & a_Entity) override;
virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
virtual void SendGameMode (eGameMode a_GameMode) override;
virtual void SendHealth (void) override;
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
virtual void SendKeepAlive (int a_PingID) override;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
virtual void SendLoginSuccess (void) override;
virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override;
virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
virtual void SendPaintingSpawn (const cPainting & a_Painting) override;
virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
virtual void SendPlayerAbilities (void) override;
virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override;
virtual void 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) override;
virtual void SendPlayerListItem (const cPlayer & a_Player, char a_Action) override;
virtual void SendPlayerMaxSpeed (void) override;
virtual void SendPlayerMoveLook (void) override;
virtual void SendPlayerPosition (void) override;
virtual void SendPlayerSpawn (const cPlayer & a_Player) override;
virtual void SendPluginMessage (const AString & a_Channel, const AString & a_Message) override;
virtual void SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID) override;
virtual void SendRespawn (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
virtual void SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
virtual void SendExperience (void) override;
virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) override;
virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override;
virtual void SendSoundParticleEffect (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
virtual void SendSpawnFallingBlock (const cFallingBlock & a_FallingBlock) override;
virtual void SendSpawnMob (const cMonster & a_Mob) override;
virtual void SendSpawnObject (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override;
virtual void SendSpawnVehicle (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override;
virtual void SendStatistics (const cStatManager & a_Manager) override;
virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
virtual void SendTeleportEntity (const cEntity & a_Entity) override;
virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) override;
virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override;
virtual void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity) override;
virtual void 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) override;
virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) override;
virtual void SendWeather (eWeather a_Weather) override;
virtual void SendWholeInventory (const cWindow & a_Window) override;
virtual void SendWindowClose (const cWindow & a_Window) override;
virtual void SendWindowOpen (const cWindow & a_Window) override;
virtual void SendWindowProperty (const cWindow & a_Window, int a_Property, int a_Value) override;
virtual AString GetAuthServerID(void) override { return m_AuthServerID; }
/** Compress the packet. a_Packet must be without packet length.
a_Compressed will be set to the compressed packet includes packet length and data length.
If compression fails, the function returns false. */
static bool CompressPacket(const AString & a_Packet, AString & a_Compressed);
/** The 1.8 protocol use a particle id instead of a string. This function converts the name to the id. If the name is incorrect, it returns 0. */
static int GetParticleID(const AString & a_ParticleName);
/** Minecraft 1.8 use other locations to spawn the item frame. This function converts the 1.7 positions to 1.8 positions. */
static void FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw);
protected:
/** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */
class cPacketizer
{
public:
cPacketizer(cProtocol180 & a_Protocol, UInt32 a_PacketType) :
m_Protocol(a_Protocol),
m_Out(a_Protocol.m_OutPacketBuffer),
m_Lock(a_Protocol.m_CSPacket)
{
m_Out.WriteVarInt(a_PacketType);
}
~cPacketizer();
void WriteBool(bool a_Value)
{
m_Out.WriteBool(a_Value);
}
void WriteByte(Byte a_Value)
{
m_Out.WriteByte(a_Value);
}
void WriteChar(char a_Value)
{
m_Out.WriteChar(a_Value);
}
void WriteShort(short a_Value)
{
m_Out.WriteBEShort(a_Value);
}
void WriteInt(int a_Value)
{
m_Out.WriteBEInt(a_Value);
}
void WriteInt64(Int64 a_Value)
{
m_Out.WriteBEInt64(a_Value);
}
void WriteFloat(float a_Value)
{
m_Out.WriteBEFloat(a_Value);
}
void WriteDouble(double a_Value)
{
m_Out.WriteBEDouble(a_Value);
}
void WriteVarInt(UInt32 a_Value)
{
m_Out.WriteVarInt(a_Value);
}
void WriteString(const AString & a_Value)
{
m_Out.WriteVarUTF8String(a_Value);
}
void WritePosition(int a_BlockX, int a_BlockY, int a_BlockZ)
{
m_Out.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
}
void WriteUUID(const AString & a_UUID);
void WriteBuf(const char * a_Data, size_t a_Size)
{
m_Out.Write(a_Data, a_Size);
}
void WriteItem(const cItem & a_Item);
void WriteByteAngle(double a_Angle); // Writes the specified angle using a single byte
void WriteFPInt(double a_Value); // Writes the double value as a 27:5 fixed-point integer
void WriteEntityMetadata(const cEntity & a_Entity); // Writes the metadata for the specified entity, not including the terminating 0x7f
void WriteMobMetadata(const cMonster & a_Mob); // Writes the mob-specific metadata for the specified mob
void WriteEntityProperties(const cEntity & a_Entity); // Writes the entity properties for the specified entity, including the Count field
void WriteBlockEntity(const cBlockEntity & a_BlockEntity);
protected:
cProtocol180 & m_Protocol;
cByteBuffer & m_Out;
cCSLock m_Lock;
} ;
AString m_ServerAddress;
UInt16 m_ServerPort;
AString m_AuthServerID;
/** State of the protocol. 1 = status, 2 = login, 3 = game */
UInt32 m_State;
/** Buffer for the received data */
cByteBuffer m_ReceivedData;
/** Buffer for composing the outgoing packets, through cPacketizer */
cByteBuffer m_OutPacketBuffer;
/** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */
cByteBuffer m_OutPacketLenBuffer;
bool m_IsEncrypted;
cAesCfb128Decryptor m_Decryptor;
cAesCfb128Encryptor m_Encryptor;
/** The logfile where the comm is logged, when g_ShouldLogComm is true */
cFile m_CommLogFile;
/** The dimension that was last sent to a player in a Respawn or Login packet.
Used to avoid Respawning into the same dimension, which confuses the client. */
eDimension m_LastSentDimension;
/** Adds the received (unencrypted) data to m_ReceivedData, parses complete packets */
void AddReceivedData(const char * a_Data, size_t a_Size);
/** Reads and handles the packet. The packet length and type have already been read.
Returns true if the packet was understood, false if it was an unknown packet
*/
bool HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType);
// Packet handlers while in the Status state (m_State == 1):
void HandlePacketStatusPing(cByteBuffer & a_ByteBuffer);
void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
// Packet handlers while in the Login state (m_State == 2):
void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer);
void HandlePacketLoginStart(cByteBuffer & a_ByteBuffer);
// Packet handlers while in the Game state (m_State == 3):
void HandlePacketAnimation (cByteBuffer & a_ByteBuffer);
void HandlePacketBlockDig (cByteBuffer & a_ByteBuffer);
void HandlePacketBlockPlace (cByteBuffer & a_ByteBuffer);
void HandlePacketChatMessage (cByteBuffer & a_ByteBuffer);
void HandlePacketClientSettings (cByteBuffer & a_ByteBuffer);
void HandlePacketClientStatus (cByteBuffer & a_ByteBuffer);
void HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer);
void HandlePacketEntityAction (cByteBuffer & a_ByteBuffer);
void HandlePacketKeepAlive (cByteBuffer & a_ByteBuffer);
void HandlePacketPlayer (cByteBuffer & a_ByteBuffer);
void HandlePacketPlayerAbilities (cByteBuffer & a_ByteBuffer);
void HandlePacketPlayerLook (cByteBuffer & a_ByteBuffer);
void HandlePacketPlayerPos (cByteBuffer & a_ByteBuffer);
void HandlePacketPlayerPosLook (cByteBuffer & a_ByteBuffer);
void HandlePacketPluginMessage (cByteBuffer & a_ByteBuffer);
void HandlePacketSlotSelect (cByteBuffer & a_ByteBuffer);
void HandlePacketSteerVehicle (cByteBuffer & a_ByteBuffer);
void HandlePacketTabComplete (cByteBuffer & a_ByteBuffer);
void HandlePacketUpdateSign (cByteBuffer & a_ByteBuffer);
void HandlePacketUseEntity (cByteBuffer & a_ByteBuffer);
void HandlePacketEnchantItem (cByteBuffer & a_ByteBuffer);
void HandlePacketWindowClick (cByteBuffer & a_ByteBuffer);
void HandlePacketWindowClose (cByteBuffer & a_ByteBuffer);
/** Writes an entire packet into the output stream. a_Packet is expected to start with the packet type; data length is prepended here. */
void WritePacket(cByteBuffer & a_Packet);
/** Sends the data to the client, encrypting them if needed. */
virtual void SendData(const char * a_Data, size_t a_Size) override;
void SendCompass(const cWorld & a_World);
/** Reads an item out of the received data, sets a_Item to the values read. Returns false if not enough received data */
virtual bool ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item);
/** Parses item metadata as read by ReadItem(), into the item enchantments. */
void ParseItemMetadata(cItem & a_Item, const AString & a_Metadata);
void StartEncryption(const Byte * a_Key);
/** Adds the chat part's style (represented by the part's stylestring) into the Json object. */
void AddChatPartStyle(Json::Value & a_Value, const AString & a_PartStyle);
} ;
