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// Protocol17x.h
/*
Declares the 1.7.x protocol classes:
- cProtocol172
- release 1.7.2 protocol (#4)
(others may be added later in the future for the 1.7 release series)
*/
#pragma once
#include "Protocol.h"
#include "../ByteBuffer.h"
#include "cryptopp/modes.h"
#include "cryptopp/aes.h"
class cProtocol172 :
public cProtocol // TODO
{
typedef cProtocol super; // TODO
public:
cProtocol172(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, int 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 SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
virtual void SendCollectPickup (const cPickup & a_Pickup, 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 SendPickupSpawn (const cPickup & a_Pickup) override;
virtual void SendPlayerAbilities (void) override;
virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override;
virtual void SendPlayerListItem (const cPlayer & a_Player, bool a_IsOnline) 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 SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID) override;
virtual void SendRespawn (void) override;
virtual void SendSoundEffect (const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) override; // a_Src coords are Block * 8
virtual void SendExperience (void) override;
virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) 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 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) override;
virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) 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, short a_Property, short a_Value) override;
virtual AString GetAuthServerID(void) override { return m_AuthServerID; }
protected:
/// Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed
class cPacketizer
{
public:
cPacketizer(cProtocol172 & 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 WriteBuf(const char * a_Data, int 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
protected:
cProtocol172 & 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;
CryptoPP::CFB_Mode<CryptoPP::AES>::Decryption m_Decryptor;
CryptoPP::CFB_Mode<CryptoPP::AES>::Encryption m_Encryptor;
/// Adds the received (unencrypted) data to m_ReceivedData, parses complete packets
void AddReceivedData(const char * a_Data, int a_Size);
/// Reads and handles the packet. The packet length and type have already been read.
void 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 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, int 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
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);
} ;
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