From 53e22b11857fed62e2313d6d84d90f88ed412ffb Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Mon, 29 Jul 2013 12:13:03 +0100 Subject: Changed everyting to Unix line endings. --- source/Protocol/ChunkDataSerializer.cpp | 352 ++-- source/Protocol/ChunkDataSerializer.h | 96 +- source/Protocol/Protocol.h | 384 ++-- source/Protocol/Protocol125.cpp | 3272 +++++++++++++++---------------- source/Protocol/Protocol125.h | 304 +-- source/Protocol/Protocol132.cpp | 1804 ++++++++--------- source/Protocol/Protocol132.h | 200 +- source/Protocol/Protocol14x.cpp | 506 ++--- source/Protocol/Protocol14x.h | 126 +- source/Protocol/Protocol15x.cpp | 274 +-- source/Protocol/Protocol15x.h | 76 +- source/Protocol/Protocol16x.cpp | 490 ++--- source/Protocol/Protocol16x.h | 146 +- source/Protocol/ProtocolRecognizer.cpp | 1542 +++++++-------- source/Protocol/ProtocolRecognizer.h | 260 +-- 15 files changed, 4916 insertions(+), 4916 deletions(-) (limited to 'source/Protocol') diff --git a/source/Protocol/ChunkDataSerializer.cpp b/source/Protocol/ChunkDataSerializer.cpp index 7af07f331..2a9230fee 100644 --- a/source/Protocol/ChunkDataSerializer.cpp +++ b/source/Protocol/ChunkDataSerializer.cpp @@ -1,176 +1,176 @@ - -// ChunkDataSerializer.cpp - -// Implements the cChunkDataSerializer class representing the object that can: -// - serialize chunk data to different protocol versions -// - cache such serialized data for multiple clients - -#include "Globals.h" -#include "ChunkDataSerializer.h" -#include "zlib.h" - - - - -cChunkDataSerializer::cChunkDataSerializer( - const cChunkDef::BlockTypes & a_BlockTypes, - const cChunkDef::BlockNibbles & a_BlockMetas, - const cChunkDef::BlockNibbles & a_BlockLight, - const cChunkDef::BlockNibbles & a_BlockSkyLight, - const unsigned char * a_BiomeData -) : - m_BlockTypes(a_BlockTypes), - m_BlockMetas(a_BlockMetas), - m_BlockLight(a_BlockLight), - m_BlockSkyLight(a_BlockSkyLight), - m_BiomeData(a_BiomeData) -{ -} - - - - -const AString & cChunkDataSerializer::Serialize(int a_Version) -{ - Serializations::const_iterator itr = m_Serializations.find(a_Version); - if (itr != m_Serializations.end()) - { - return itr->second; - } - - AString data; - switch (a_Version) - { - case RELEASE_1_2_5: Serialize29(data); break; - case RELEASE_1_3_2: Serialize39(data); break; - // TODO: Other protocol versions may serialize the data differently; implement here - - default: - { - LOGERROR("cChunkDataSerializer::Serialize(): Unknown version: %d", a_Version); - ASSERT(!"Unknown chunk data serialization version"); - break; - } - } - m_Serializations[a_Version] = data; - return m_Serializations[a_Version]; -} - - - - - -void cChunkDataSerializer::Serialize29(AString & a_Data) -{ - // TODO: Do not copy data and then compress it; rather, compress partial blocks of data (zlib *can* stream) - - const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const int MetadataOffset = sizeof(m_BlockTypes); - const int BlockLightOffset = MetadataOffset + sizeof(m_BlockMetas); - const int SkyLightOffset = BlockLightOffset + sizeof(m_BlockLight); - const int BiomeOffset = SkyLightOffset + sizeof(m_BlockSkyLight); - const int DataSize = BiomeOffset + BiomeDataSize; - - // Temporary buffer for the composed data: - char AllData [DataSize]; - - memcpy(AllData, m_BlockTypes, sizeof(m_BlockTypes)); - memcpy(AllData + MetadataOffset, m_BlockMetas, sizeof(m_BlockMetas)); - memcpy(AllData + BlockLightOffset, m_BlockLight, sizeof(m_BlockLight)); - memcpy(AllData + SkyLightOffset, m_BlockSkyLight, sizeof(m_BlockSkyLight)); - memcpy(AllData + BiomeOffset, m_BiomeData, BiomeDataSize); - - // Compress the data: - // In order not to use allocation, use a fixed-size buffer, with the size - // that uses the same calculation as compressBound(): - const uLongf CompressedMaxSize = DataSize + (DataSize >> 12) + (DataSize >> 14) + (DataSize >> 25) + 16; - char CompressedBlockData[CompressedMaxSize]; - - uLongf CompressedSize = compressBound(DataSize); - - // Run-time check that our compile-time guess about CompressedMaxSize was enough: - ASSERT(CompressedSize <= CompressedMaxSize); - - compress2((Bytef*)CompressedBlockData, &CompressedSize, (const Bytef*)AllData, sizeof(AllData), Z_DEFAULT_COMPRESSION); - - // Now put all those data into a_Data: - - // "Ground-up continuous", or rather, "biome data present" flag: - a_Data.push_back('\x01'); - - // Two bitmaps; we're aways sending the full chunk with no additional data, so the bitmaps are 0xffff and 0, respectively - // Also, no endian flipping is needed because of the const values - unsigned short BitMap1 = 0xffff; - unsigned short BitMap2 = 0; - a_Data.append((const char *)&BitMap1, sizeof(short)); - a_Data.append((const char *)&BitMap2, sizeof(short)); - - Int32 CompressedSizeBE = htonl(CompressedSize); - a_Data.append((const char *)&CompressedSizeBE, sizeof(CompressedSizeBE)); - - Int32 UnusedInt32 = 0; - a_Data.append((const char *)&UnusedInt32, sizeof(UnusedInt32)); - - a_Data.append(CompressedBlockData, CompressedSize); -} - - - - - -void cChunkDataSerializer::Serialize39(AString & a_Data) -{ - // TODO: Do not copy data and then compress it; rather, compress partial blocks of data (zlib *can* stream) - - const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width; - const int MetadataOffset = sizeof(m_BlockTypes); - const int BlockLightOffset = MetadataOffset + sizeof(m_BlockMetas); - const int SkyLightOffset = BlockLightOffset + sizeof(m_BlockLight); - const int BiomeOffset = SkyLightOffset + sizeof(m_BlockSkyLight); - const int DataSize = BiomeOffset + BiomeDataSize; - - // Temporary buffer for the composed data: - char AllData [DataSize]; - - memcpy(AllData, m_BlockTypes, sizeof(m_BlockTypes)); - memcpy(AllData + MetadataOffset, m_BlockMetas, sizeof(m_BlockMetas)); - memcpy(AllData + BlockLightOffset, m_BlockLight, sizeof(m_BlockLight)); - memcpy(AllData + SkyLightOffset, m_BlockSkyLight, sizeof(m_BlockSkyLight)); - memcpy(AllData + BiomeOffset, m_BiomeData, BiomeDataSize); - - // Compress the data: - // In order not to use allocation, use a fixed-size buffer, with the size - // that uses the same calculation as compressBound(): - const uLongf CompressedMaxSize = DataSize + (DataSize >> 12) + (DataSize >> 14) + (DataSize >> 25) + 16; - char CompressedBlockData[CompressedMaxSize]; - - uLongf CompressedSize = compressBound(DataSize); - - // Run-time check that our compile-time guess about CompressedMaxSize was enough: - ASSERT(CompressedSize <= CompressedMaxSize); - - compress2((Bytef*)CompressedBlockData, &CompressedSize, (const Bytef*)AllData, sizeof(AllData), Z_DEFAULT_COMPRESSION); - - // Now put all those data into a_Data: - - // "Ground-up continuous", or rather, "biome data present" flag: - a_Data.push_back('\x01'); - - // Two bitmaps; we're aways sending the full chunk with no additional data, so the bitmaps are 0xffff and 0, respectively - // Also, no endian flipping is needed because of the const values - unsigned short BitMap1 = 0xffff; - unsigned short BitMap2 = 0; - a_Data.append((const char *)&BitMap1, sizeof(short)); - a_Data.append((const char *)&BitMap2, sizeof(short)); - - Int32 CompressedSizeBE = htonl(CompressedSize); - a_Data.append((const char *)&CompressedSizeBE, sizeof(CompressedSizeBE)); - - // Unlike 29, 39 doesn't have the "unused" int - - a_Data.append(CompressedBlockData, CompressedSize); -} - - - - + +// ChunkDataSerializer.cpp + +// Implements the cChunkDataSerializer class representing the object that can: +// - serialize chunk data to different protocol versions +// - cache such serialized data for multiple clients + +#include "Globals.h" +#include "ChunkDataSerializer.h" +#include "zlib.h" + + + + +cChunkDataSerializer::cChunkDataSerializer( + const cChunkDef::BlockTypes & a_BlockTypes, + const cChunkDef::BlockNibbles & a_BlockMetas, + const cChunkDef::BlockNibbles & a_BlockLight, + const cChunkDef::BlockNibbles & a_BlockSkyLight, + const unsigned char * a_BiomeData +) : + m_BlockTypes(a_BlockTypes), + m_BlockMetas(a_BlockMetas), + m_BlockLight(a_BlockLight), + m_BlockSkyLight(a_BlockSkyLight), + m_BiomeData(a_BiomeData) +{ +} + + + + +const AString & cChunkDataSerializer::Serialize(int a_Version) +{ + Serializations::const_iterator itr = m_Serializations.find(a_Version); + if (itr != m_Serializations.end()) + { + return itr->second; + } + + AString data; + switch (a_Version) + { + case RELEASE_1_2_5: Serialize29(data); break; + case RELEASE_1_3_2: Serialize39(data); break; + // TODO: Other protocol versions may serialize the data differently; implement here + + default: + { + LOGERROR("cChunkDataSerializer::Serialize(): Unknown version: %d", a_Version); + ASSERT(!"Unknown chunk data serialization version"); + break; + } + } + m_Serializations[a_Version] = data; + return m_Serializations[a_Version]; +} + + + + + +void cChunkDataSerializer::Serialize29(AString & a_Data) +{ + // TODO: Do not copy data and then compress it; rather, compress partial blocks of data (zlib *can* stream) + + const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width; + const int MetadataOffset = sizeof(m_BlockTypes); + const int BlockLightOffset = MetadataOffset + sizeof(m_BlockMetas); + const int SkyLightOffset = BlockLightOffset + sizeof(m_BlockLight); + const int BiomeOffset = SkyLightOffset + sizeof(m_BlockSkyLight); + const int DataSize = BiomeOffset + BiomeDataSize; + + // Temporary buffer for the composed data: + char AllData [DataSize]; + + memcpy(AllData, m_BlockTypes, sizeof(m_BlockTypes)); + memcpy(AllData + MetadataOffset, m_BlockMetas, sizeof(m_BlockMetas)); + memcpy(AllData + BlockLightOffset, m_BlockLight, sizeof(m_BlockLight)); + memcpy(AllData + SkyLightOffset, m_BlockSkyLight, sizeof(m_BlockSkyLight)); + memcpy(AllData + BiomeOffset, m_BiomeData, BiomeDataSize); + + // Compress the data: + // In order not to use allocation, use a fixed-size buffer, with the size + // that uses the same calculation as compressBound(): + const uLongf CompressedMaxSize = DataSize + (DataSize >> 12) + (DataSize >> 14) + (DataSize >> 25) + 16; + char CompressedBlockData[CompressedMaxSize]; + + uLongf CompressedSize = compressBound(DataSize); + + // Run-time check that our compile-time guess about CompressedMaxSize was enough: + ASSERT(CompressedSize <= CompressedMaxSize); + + compress2((Bytef*)CompressedBlockData, &CompressedSize, (const Bytef*)AllData, sizeof(AllData), Z_DEFAULT_COMPRESSION); + + // Now put all those data into a_Data: + + // "Ground-up continuous", or rather, "biome data present" flag: + a_Data.push_back('\x01'); + + // Two bitmaps; we're aways sending the full chunk with no additional data, so the bitmaps are 0xffff and 0, respectively + // Also, no endian flipping is needed because of the const values + unsigned short BitMap1 = 0xffff; + unsigned short BitMap2 = 0; + a_Data.append((const char *)&BitMap1, sizeof(short)); + a_Data.append((const char *)&BitMap2, sizeof(short)); + + Int32 CompressedSizeBE = htonl(CompressedSize); + a_Data.append((const char *)&CompressedSizeBE, sizeof(CompressedSizeBE)); + + Int32 UnusedInt32 = 0; + a_Data.append((const char *)&UnusedInt32, sizeof(UnusedInt32)); + + a_Data.append(CompressedBlockData, CompressedSize); +} + + + + + +void cChunkDataSerializer::Serialize39(AString & a_Data) +{ + // TODO: Do not copy data and then compress it; rather, compress partial blocks of data (zlib *can* stream) + + const int BiomeDataSize = cChunkDef::Width * cChunkDef::Width; + const int MetadataOffset = sizeof(m_BlockTypes); + const int BlockLightOffset = MetadataOffset + sizeof(m_BlockMetas); + const int SkyLightOffset = BlockLightOffset + sizeof(m_BlockLight); + const int BiomeOffset = SkyLightOffset + sizeof(m_BlockSkyLight); + const int DataSize = BiomeOffset + BiomeDataSize; + + // Temporary buffer for the composed data: + char AllData [DataSize]; + + memcpy(AllData, m_BlockTypes, sizeof(m_BlockTypes)); + memcpy(AllData + MetadataOffset, m_BlockMetas, sizeof(m_BlockMetas)); + memcpy(AllData + BlockLightOffset, m_BlockLight, sizeof(m_BlockLight)); + memcpy(AllData + SkyLightOffset, m_BlockSkyLight, sizeof(m_BlockSkyLight)); + memcpy(AllData + BiomeOffset, m_BiomeData, BiomeDataSize); + + // Compress the data: + // In order not to use allocation, use a fixed-size buffer, with the size + // that uses the same calculation as compressBound(): + const uLongf CompressedMaxSize = DataSize + (DataSize >> 12) + (DataSize >> 14) + (DataSize >> 25) + 16; + char CompressedBlockData[CompressedMaxSize]; + + uLongf CompressedSize = compressBound(DataSize); + + // Run-time check that our compile-time guess about CompressedMaxSize was enough: + ASSERT(CompressedSize <= CompressedMaxSize); + + compress2((Bytef*)CompressedBlockData, &CompressedSize, (const Bytef*)AllData, sizeof(AllData), Z_DEFAULT_COMPRESSION); + + // Now put all those data into a_Data: + + // "Ground-up continuous", or rather, "biome data present" flag: + a_Data.push_back('\x01'); + + // Two bitmaps; we're aways sending the full chunk with no additional data, so the bitmaps are 0xffff and 0, respectively + // Also, no endian flipping is needed because of the const values + unsigned short BitMap1 = 0xffff; + unsigned short BitMap2 = 0; + a_Data.append((const char *)&BitMap1, sizeof(short)); + a_Data.append((const char *)&BitMap2, sizeof(short)); + + Int32 CompressedSizeBE = htonl(CompressedSize); + a_Data.append((const char *)&CompressedSizeBE, sizeof(CompressedSizeBE)); + + // Unlike 29, 39 doesn't have the "unused" int + + a_Data.append(CompressedBlockData, CompressedSize); +} + + + + diff --git a/source/Protocol/ChunkDataSerializer.h b/source/Protocol/ChunkDataSerializer.h index 513a232b9..a42856356 100644 --- a/source/Protocol/ChunkDataSerializer.h +++ b/source/Protocol/ChunkDataSerializer.h @@ -1,48 +1,48 @@ - -// ChunkDataSerializer.h - -// Interfaces to the cChunkDataSerializer class representing the object that can: -// - serialize chunk data to different protocol versions -// - cache such serialized data for multiple clients - - - - - -class cChunkDataSerializer -{ -protected: - const cChunkDef::BlockTypes & m_BlockTypes; - const cChunkDef::BlockNibbles & m_BlockMetas; - const cChunkDef::BlockNibbles & m_BlockLight; - const cChunkDef::BlockNibbles & m_BlockSkyLight; - const unsigned char * m_BiomeData; - - typedef std::map Serializations; - - Serializations m_Serializations; - - void Serialize29(AString & a_Data); // Release 1.2.4 and 1.2.5 - void Serialize39(AString & a_Data); // Release 1.3.1 and 1.3.2 - -public: - enum - { - RELEASE_1_2_5 = 29, - RELEASE_1_3_2 = 39, - } ; - - cChunkDataSerializer( - const cChunkDef::BlockTypes & a_BlockTypes, - const cChunkDef::BlockNibbles & a_BlockMetas, - const cChunkDef::BlockNibbles & a_BlockLight, - const cChunkDef::BlockNibbles & a_BlockSkyLight, - const unsigned char * a_BiomeData - ); - - const AString & Serialize(int a_Version); // Returns one of the internal m_Serializations[] -} ; - - - - + +// ChunkDataSerializer.h + +// Interfaces to the cChunkDataSerializer class representing the object that can: +// - serialize chunk data to different protocol versions +// - cache such serialized data for multiple clients + + + + + +class cChunkDataSerializer +{ +protected: + const cChunkDef::BlockTypes & m_BlockTypes; + const cChunkDef::BlockNibbles & m_BlockMetas; + const cChunkDef::BlockNibbles & m_BlockLight; + const cChunkDef::BlockNibbles & m_BlockSkyLight; + const unsigned char * m_BiomeData; + + typedef std::map Serializations; + + Serializations m_Serializations; + + void Serialize29(AString & a_Data); // Release 1.2.4 and 1.2.5 + void Serialize39(AString & a_Data); // Release 1.3.1 and 1.3.2 + +public: + enum + { + RELEASE_1_2_5 = 29, + RELEASE_1_3_2 = 39, + } ; + + cChunkDataSerializer( + const cChunkDef::BlockTypes & a_BlockTypes, + const cChunkDef::BlockNibbles & a_BlockMetas, + const cChunkDef::BlockNibbles & a_BlockLight, + const cChunkDef::BlockNibbles & a_BlockSkyLight, + const unsigned char * a_BiomeData + ); + + const AString & Serialize(int a_Version); // Returns one of the internal m_Serializations[] +} ; + + + + diff --git a/source/Protocol/Protocol.h b/source/Protocol/Protocol.h index fe9d4d10e..ab1b632ff 100644 --- a/source/Protocol/Protocol.h +++ b/source/Protocol/Protocol.h @@ -1,192 +1,192 @@ - -// Protocol.h - -// Interfaces to the cProtocol class representing the generic interface that a protocol -// parser and serializer must implement - - - - - -#pragma once - -#include "../Defines.h" -#include "../Endianness.h" - - - - -class cPlayer; -class cEntity; -class cWindow; -class cInventory; -class cPawn; -class cPickup; -class cMonster; -class cChunkDataSerializer; -class cWorld; -class cFallingBlock; - - - - - -typedef unsigned char Byte; - - - - - -class cProtocol -{ -public: - cProtocol(cClientHandle * a_Client) : - m_Client(a_Client) - { - } - virtual ~cProtocol() {} - - /// Called when client sends some data - virtual void DataReceived(const char * a_Data, int a_Size) = 0; - - // Sending stuff to clients (alphabetically sorted): - virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) = 0; - virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) = 0; - virtual void SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) = 0; - virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) = 0; - virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) = 0; - virtual void SendChat (const AString & a_Message) = 0; - virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) = 0; - virtual void SendCollectPickup (const cPickup & a_Pickup, const cPlayer & a_Player) = 0; - virtual void SendDestroyEntity (const cEntity & a_Entity) = 0; - virtual void SendDisconnect (const AString & a_Reason) = 0; - virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) = 0; - virtual void SendEntityHeadLook (const cEntity & a_Entity) = 0; - virtual void SendEntityLook (const cEntity & a_Entity) = 0; - virtual void SendEntityMetadata (const cEntity & a_Entity) = 0; - virtual void SendEntityProperties (const cEntity & a_Entity) = 0; - virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 0; - virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 0; - virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) = 0; - virtual void SendEntityVelocity (const cEntity & a_Entity) = 0; - virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) = 0; - virtual void SendGameMode (eGameMode a_GameMode) = 0; - virtual void SendHealth (void) = 0; - virtual void SendInventoryProgress (char a_WindowID, short a_Progressbar, short a_Value) = 0; - virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0; - virtual void SendKeepAlive (int a_PingID) = 0; - virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) = 0; - virtual void SendPickupSpawn (const cPickup & a_Pickup) = 0; - virtual void SendPlayerAnimation (const cPlayer & a_Player, char a_Animation) = 0; - virtual void SendPlayerListItem (const cPlayer & a_Player, bool a_IsOnline) = 0; - virtual void SendPlayerMaxSpeed (void) = 0; ///< Informs the client of the maximum player speed (1.6.1+) - virtual void SendPlayerMoveLook (void) = 0; - virtual void SendPlayerPosition (void) = 0; - virtual void SendPlayerSpawn (const cPlayer & a_Player) = 0; - virtual void SendRespawn (void) = 0; - virtual void SendSoundEffect (const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) = 0; // a_Src coords are Block * 8 - virtual void SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) = 0; - virtual void SendSpawnFallingBlock (const cFallingBlock & a_FallingBlock) = 0; - virtual void SendSpawnMob (const cMonster & a_Mob) = 0; - virtual void SendSpawnObject (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) = 0; - virtual void SendSpawnVehicle (const cEntity & a_Vehicle, char a_VehicleType) = 0; - virtual void SendTeleportEntity (const cEntity & a_Entity) = 0; - virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) = 0; - virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay) = 0; - virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) = 0; - 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) = 0; - virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) = 0; - virtual void SendWeather (eWeather a_Weather) = 0; - virtual void SendWholeInventory (const cInventory & a_Inventory) = 0; - virtual void SendWholeInventory (const cWindow & a_Window) = 0; - virtual void SendWindowClose (const cWindow & a_Window) = 0; - virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) = 0; - - /// Returns the ServerID used for authentication through session.minecraft.net - virtual AString GetAuthServerID(void) = 0; - -protected: - cClientHandle * m_Client; - cCriticalSection m_CSPacket; //< Each SendXYZ() function must acquire this CS in order to send the whole packet at once - - /// A generic data-sending routine, all outgoing packet data needs to be routed through this so that descendants may override it - virtual void SendData(const char * a_Data, int a_Size) = 0; - - /// Called after writing each packet, enables descendants to flush their buffers - virtual void Flush(void) {}; - - // Helpers for writing partial packet data, write using SendData() - void WriteByte(Byte a_Value) - { - SendData((const char *)&a_Value, 1); - } - - void WriteShort(short a_Value) - { - a_Value = htons(a_Value); - SendData((const char *)&a_Value, 2); - } - - /* - void WriteShort(unsigned short a_Value) - { - a_Value = htons(a_Value); - SendData((const char *)&a_Value, 2); - } - */ - - void WriteInt(int a_Value) - { - a_Value = htonl(a_Value); - SendData((const char *)&a_Value, 4); - } - - void WriteUInt(unsigned int a_Value) - { - a_Value = htonl(a_Value); - SendData((const char *)&a_Value, 4); - } - - void WriteInt64 (Int64 a_Value) - { - a_Value = HostToNetwork8(&a_Value); - SendData((const char *)&a_Value, 8); - } - - void WriteFloat (float a_Value) - { - unsigned int val = HostToNetwork4(&a_Value); - SendData((const char *)&val, 4); - } - - void WriteDouble(double a_Value) - { - unsigned long long val = HostToNetwork8(&a_Value); - SendData((const char *)&val, 8); - } - - void WriteString(const AString & a_Value) - { - AString UTF16; - UTF8ToRawBEUTF16(a_Value.c_str(), a_Value.length(), UTF16); - WriteShort((unsigned short)(UTF16.size() / 2)); - SendData(UTF16.data(), UTF16.size()); - } - - void WriteBool(bool a_Value) - { - WriteByte(a_Value ? 1 : 0); - } - - void WriteVectorI(const Vector3i & a_Vector) - { - WriteInt(a_Vector.x); - WriteInt(a_Vector.y); - WriteInt(a_Vector.z); - } -} ; - - - - - + +// Protocol.h + +// Interfaces to the cProtocol class representing the generic interface that a protocol +// parser and serializer must implement + + + + + +#pragma once + +#include "../Defines.h" +#include "../Endianness.h" + + + + +class cPlayer; +class cEntity; +class cWindow; +class cInventory; +class cPawn; +class cPickup; +class cMonster; +class cChunkDataSerializer; +class cWorld; +class cFallingBlock; + + + + + +typedef unsigned char Byte; + + + + + +class cProtocol +{ +public: + cProtocol(cClientHandle * a_Client) : + m_Client(a_Client) + { + } + virtual ~cProtocol() {} + + /// Called when client sends some data + virtual void DataReceived(const char * a_Data, int a_Size) = 0; + + // Sending stuff to clients (alphabetically sorted): + virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) = 0; + virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) = 0; + virtual void SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) = 0; + virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) = 0; + virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) = 0; + virtual void SendChat (const AString & a_Message) = 0; + virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) = 0; + virtual void SendCollectPickup (const cPickup & a_Pickup, const cPlayer & a_Player) = 0; + virtual void SendDestroyEntity (const cEntity & a_Entity) = 0; + virtual void SendDisconnect (const AString & a_Reason) = 0; + virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) = 0; + virtual void SendEntityHeadLook (const cEntity & a_Entity) = 0; + virtual void SendEntityLook (const cEntity & a_Entity) = 0; + virtual void SendEntityMetadata (const cEntity & a_Entity) = 0; + virtual void SendEntityProperties (const cEntity & a_Entity) = 0; + virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 0; + virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 0; + virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) = 0; + virtual void SendEntityVelocity (const cEntity & a_Entity) = 0; + virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) = 0; + virtual void SendGameMode (eGameMode a_GameMode) = 0; + virtual void SendHealth (void) = 0; + virtual void SendInventoryProgress (char a_WindowID, short a_Progressbar, short a_Value) = 0; + virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0; + virtual void SendKeepAlive (int a_PingID) = 0; + virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) = 0; + virtual void SendPickupSpawn (const cPickup & a_Pickup) = 0; + virtual void SendPlayerAnimation (const cPlayer & a_Player, char a_Animation) = 0; + virtual void SendPlayerListItem (const cPlayer & a_Player, bool a_IsOnline) = 0; + virtual void SendPlayerMaxSpeed (void) = 0; ///< Informs the client of the maximum player speed (1.6.1+) + virtual void SendPlayerMoveLook (void) = 0; + virtual void SendPlayerPosition (void) = 0; + virtual void SendPlayerSpawn (const cPlayer & a_Player) = 0; + virtual void SendRespawn (void) = 0; + virtual void SendSoundEffect (const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) = 0; // a_Src coords are Block * 8 + virtual void SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) = 0; + virtual void SendSpawnFallingBlock (const cFallingBlock & a_FallingBlock) = 0; + virtual void SendSpawnMob (const cMonster & a_Mob) = 0; + virtual void SendSpawnObject (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) = 0; + virtual void SendSpawnVehicle (const cEntity & a_Vehicle, char a_VehicleType) = 0; + virtual void SendTeleportEntity (const cEntity & a_Entity) = 0; + virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) = 0; + virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay) = 0; + virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) = 0; + 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) = 0; + virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) = 0; + virtual void SendWeather (eWeather a_Weather) = 0; + virtual void SendWholeInventory (const cInventory & a_Inventory) = 0; + virtual void SendWholeInventory (const cWindow & a_Window) = 0; + virtual void SendWindowClose (const cWindow & a_Window) = 0; + virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) = 0; + + /// Returns the ServerID used for authentication through session.minecraft.net + virtual AString GetAuthServerID(void) = 0; + +protected: + cClientHandle * m_Client; + cCriticalSection m_CSPacket; //< Each SendXYZ() function must acquire this CS in order to send the whole packet at once + + /// A generic data-sending routine, all outgoing packet data needs to be routed through this so that descendants may override it + virtual void SendData(const char * a_Data, int a_Size) = 0; + + /// Called after writing each packet, enables descendants to flush their buffers + virtual void Flush(void) {}; + + // Helpers for writing partial packet data, write using SendData() + void WriteByte(Byte a_Value) + { + SendData((const char *)&a_Value, 1); + } + + void WriteShort(short a_Value) + { + a_Value = htons(a_Value); + SendData((const char *)&a_Value, 2); + } + + /* + void WriteShort(unsigned short a_Value) + { + a_Value = htons(a_Value); + SendData((const char *)&a_Value, 2); + } + */ + + void WriteInt(int a_Value) + { + a_Value = htonl(a_Value); + SendData((const char *)&a_Value, 4); + } + + void WriteUInt(unsigned int a_Value) + { + a_Value = htonl(a_Value); + SendData((const char *)&a_Value, 4); + } + + void WriteInt64 (Int64 a_Value) + { + a_Value = HostToNetwork8(&a_Value); + SendData((const char *)&a_Value, 8); + } + + void WriteFloat (float a_Value) + { + unsigned int val = HostToNetwork4(&a_Value); + SendData((const char *)&val, 4); + } + + void WriteDouble(double a_Value) + { + unsigned long long val = HostToNetwork8(&a_Value); + SendData((const char *)&val, 8); + } + + void WriteString(const AString & a_Value) + { + AString UTF16; + UTF8ToRawBEUTF16(a_Value.c_str(), a_Value.length(), UTF16); + WriteShort((unsigned short)(UTF16.size() / 2)); + SendData(UTF16.data(), UTF16.size()); + } + + void WriteBool(bool a_Value) + { + WriteByte(a_Value ? 1 : 0); + } + + void WriteVectorI(const Vector3i & a_Vector) + { + WriteInt(a_Vector.x); + WriteInt(a_Vector.y); + WriteInt(a_Vector.z); + } +} ; + + + + + diff --git a/source/Protocol/Protocol125.cpp b/source/Protocol/Protocol125.cpp index fddf7d324..5ecb5b172 100644 --- a/source/Protocol/Protocol125.cpp +++ b/source/Protocol/Protocol125.cpp @@ -1,1636 +1,1636 @@ - -// Protocol125.cpp - -// Implements the cProtocol125 class representing the release 1.2.5 protocol (#29) -/* -Documentation: - - protocol: http://wiki.vg/wiki/index.php?title=Protocol&oldid=2513 - - session handling: http://wiki.vg/wiki/index.php?title=Session&oldid=2262 - - slot format: http://wiki.vg/wiki/index.php?title=Slot_Data&oldid=2152 -*/ - -#include "Globals.h" - -#include "Protocol125.h" - -#include "../ClientHandle.h" -#include "ChunkDataSerializer.h" -#include "../Entity.h" -#include "../Mobs/Monster.h" -#include "../Pickup.h" -#include "../Player.h" -#include "../ChatColor.h" -#include "../UI/Window.h" -#include "../Root.h" -#include "../Server.h" -#include "../FallingBlock.h" - - - - - -enum -{ - PACKET_KEEP_ALIVE = 0x00, - PACKET_LOGIN = 0x01, - PACKET_HANDSHAKE = 0x02, - PACKET_CHAT = 0x03, - PACKET_UPDATE_TIME = 0x04, - PACKET_ENTITY_EQUIPMENT = 0x05, - PACKET_USE_ENTITY = 0x07, - PACKET_UPDATE_HEALTH = 0x08, - PACKET_RESPAWN = 0x09, - PACKET_PLAYER_ON_GROUND = 0x0a, - PACKET_PLAYER_POS = 0x0b, - PACKET_PLAYER_LOOK = 0x0c, - PACKET_PLAYER_MOVE_LOOK = 0x0d, - PACKET_BLOCK_DIG = 0x0e, - PACKET_BLOCK_PLACE = 0x0f, - PACKET_SLOT_SELECTED = 0x10, - PACKET_USE_BED = 0x11, - PACKET_ANIMATION = 0x12, - PACKET_PACKET_ENTITY_ACTION = 0x13, - PACKET_PLAYER_SPAWN = 0x14, - PACKET_PICKUP_SPAWN = 0x15, - PACKET_COLLECT_PICKUP = 0x16, - PACKET_SPAWN_OBJECT = 0x17, - PACKET_SPAWN_MOB = 0x18, - PACKET_ENTITY_VELOCITY = 0x1c, - PACKET_DESTROY_ENTITY = 0x1d, - PACKET_ENTITY = 0x1e, - PACKET_ENT_REL_MOVE = 0x1f, - PACKET_ENT_LOOK = 0x20, - PACKET_ENT_REL_MOVE_LOOK = 0x21, - PACKET_ENT_TELEPORT = 0x22, - PACKET_ENT_HEAD_LOOK = 0x23, - PACKET_ENT_STATUS = 0x26, - PACKET_ATTACH_ENTITY = 0x27, - PACKET_METADATA = 0x28, - PACKET_PRE_CHUNK = 0x32, - PACKET_MAP_CHUNK = 0x33, - PACKET_MULTI_BLOCK = 0x34, - PACKET_BLOCK_CHANGE = 0x35, - PACKET_BLOCK_ACTION = 0x36, - PACKET_EXPLOSION = 0x3C, - PACKET_SOUND_EFFECT = 0x3e, - PACKET_SOUND_PARTICLE_EFFECT = 0x3d, - PACKET_CHANGE_GAME_STATE = 0x46, - PACKET_THUNDERBOLT = 0x47, - PACKET_WINDOW_OPEN = 0x64, - PACKET_WINDOW_CLOSE = 0x65, - PACKET_WINDOW_CLICK = 0x66, - PACKET_INVENTORY_SLOT = 0x67, - PACKET_INVENTORY_WHOLE = 0x68, - PACKET_INVENTORY_PROGRESS = 0x69, - PACKET_CREATIVE_INVENTORY_ACTION = 0x6B, - PACKET_UPDATE_SIGN = 0x82, - PACKET_PLAYER_LIST_ITEM = 0xC9, - PACKET_PLAYER_ABILITIES = 0xca, - PACKET_PLUGIN_MESSAGE = 0xfa, - PACKET_PING = 0xfe, - PACKET_DISCONNECT = 0xff -} ; - - - - - -#define HANDLE_PACKET_READ(Proc, Type, Var) \ - Type Var; \ - { \ - if (!m_ReceivedData.Proc(Var)) \ - { \ - m_ReceivedData.CheckValid(); \ - return PARSE_INCOMPLETE; \ - } \ - m_ReceivedData.CheckValid(); \ - } - - - - -typedef unsigned char Byte; - - - - - -cProtocol125::cProtocol125(cClientHandle * a_Client) : - super(a_Client), - m_ReceivedData(32 KiB) -{ -} - - - - - -void cProtocol125::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ATTACH_ENTITY); - WriteInt(a_Entity.GetUniqueID()); - WriteInt((a_Vehicle == NULL) ? -1 : a_Vehicle->GetUniqueID()); - Flush(); -} - - - - - -void cProtocol125::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) -{ - UNUSED(a_BlockType); - - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_BLOCK_ACTION); - WriteInt (a_BlockX); - WriteShort((short)a_BlockY); - WriteInt (a_BlockZ); - WriteByte (a_Byte1); - WriteByte (a_Byte2); - Flush(); -} - - - - - -void cProtocol125::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY, int a_BlockZ, char stage) -{ - // Not supported in this protocol version -} - - - - - -void cProtocol125::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_BLOCK_CHANGE); - WriteInt (a_BlockX); - WriteByte((unsigned char)a_BlockY); - WriteInt (a_BlockZ); - WriteByte(a_BlockType); - WriteByte(a_BlockMeta); - Flush(); -} - - - - - -void cProtocol125::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) -{ - cCSLock Lock(m_CSPacket); - if (a_Changes.size() == 1) - { - // Special packet for single-block changes - const sSetBlock & blk = a_Changes.front(); - SendBlockChange(a_ChunkX * cChunkDef::Width + blk.x, blk.y, a_ChunkZ * cChunkDef::Width + blk.z, blk.BlockType, blk.BlockMeta); - return; - } - - WriteByte (PACKET_MULTI_BLOCK); - WriteInt (a_ChunkX); - WriteInt (a_ChunkZ); - WriteShort((unsigned short)a_Changes.size()); - WriteUInt (sizeof(int) * a_Changes.size()); - for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr) - { - unsigned int Coords = itr->y | (itr->z << 8) | (itr->x << 12); - unsigned int Blocks = itr->BlockMeta | (itr->BlockType << 4); - WriteUInt(Coords << 16 | Blocks); - } - Flush(); -} - - - - - -void cProtocol125::SendChat(const AString & a_Message) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_CHAT); - WriteString(a_Message); - Flush(); -} - - - - - -void cProtocol125::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) -{ - cCSLock Lock(m_CSPacket); - - // Send the pre-chunk: - SendPreChunk(a_ChunkX, a_ChunkZ, true); - - // Send the chunk data: - AString Serialized = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_2_5); - WriteByte(PACKET_MAP_CHUNK); - WriteInt (a_ChunkX); - WriteInt (a_ChunkZ); - SendData(Serialized.data(), Serialized.size()); - Flush(); -} - - - - - -void cProtocol125::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_COLLECT_PICKUP); - WriteInt (a_Pickup.GetUniqueID()); - WriteInt (a_Player.GetUniqueID()); - Flush(); -} - - - - - -void cProtocol125::SendDestroyEntity(const cEntity & a_Entity) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_DESTROY_ENTITY); - WriteInt (a_Entity.GetUniqueID()); - Flush(); -} - - - - - -void cProtocol125::SendDisconnect(const AString & a_Reason) -{ - cCSLock Lock(m_CSPacket); - WriteByte ((unsigned char)PACKET_DISCONNECT); - WriteString(a_Reason); - Flush(); -} - - - - -void cProtocol125::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_ENTITY_EQUIPMENT); - WriteInt (a_Entity.GetUniqueID()); - WriteShort(a_SlotNum); - WriteShort(a_Item.m_ItemType); - WriteShort(a_Item.m_ItemDamage); - Flush(); -} - - - - - -void cProtocol125::SendEntityHeadLook(const cEntity & a_Entity) -{ - ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENT_HEAD_LOOK); - WriteInt (a_Entity.GetUniqueID()); - WriteByte((char)((a_Entity.GetHeadYaw() / 360.f) * 256)); - Flush(); -} - - - - - -void cProtocol125::SendEntityLook(const cEntity & a_Entity) -{ - ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENT_LOOK); - WriteInt (a_Entity.GetUniqueID()); - WriteByte((char)((a_Entity.GetRotation() / 360.f) * 256)); - WriteByte((char)((a_Entity.GetPitch() / 360.f) * 256)); - Flush(); -} - - - - - -void cProtocol125::SendEntityMetadata(const cEntity & a_Entity) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_METADATA); - WriteInt (a_Entity.GetUniqueID()); - AString MetaData = GetEntityMetaData(a_Entity); - SendData(MetaData.data(), MetaData.size()); - Flush(); -} - - - - - -void cProtocol125::SendEntityProperties(const cEntity & a_Entity) -{ - // Not supported in this protocol version -} - - - - - -void cProtocol125::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) -{ - ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENT_REL_MOVE); - WriteInt (a_Entity.GetUniqueID()); - WriteByte(a_RelX); - WriteByte(a_RelY); - WriteByte(a_RelZ); - Flush(); -} - - - - - -void cProtocol125::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) -{ - ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENT_REL_MOVE_LOOK); - WriteInt (a_Entity.GetUniqueID()); - WriteByte(a_RelX); - WriteByte(a_RelY); - WriteByte(a_RelZ); - WriteByte((char)((a_Entity.GetRotation() / 360.f) * 256)); - WriteByte((char)((a_Entity.GetPitch() / 360.f) * 256)); - Flush(); -} - - - - - -void cProtocol125::SendEntityStatus(const cEntity & a_Entity, char a_Status) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENT_STATUS); - WriteInt (a_Entity.GetUniqueID()); - WriteByte(a_Status); - Flush(); -} - - - - - -void cProtocol125::SendEntityVelocity(const cEntity & a_Entity) -{ - ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENTITY_VELOCITY); - WriteInt (a_Entity.GetUniqueID()); - WriteShort((short) (a_Entity.GetSpeedX() * 400)); //400 = 8000 / 20 - WriteShort((short) (a_Entity.GetSpeedY() * 400)); - WriteShort((short) (a_Entity.GetSpeedZ() * 400)); - Flush(); -} - - - - - -void cProtocol125::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_EXPLOSION); - WriteDouble (a_BlockX); - WriteDouble (a_BlockY); - WriteDouble (a_BlockZ); - WriteFloat (a_Radius); - WriteInt (a_BlocksAffected.size()); - for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(); itr != a_BlocksAffected.end(); ++itr) - { - WriteByte ((Byte)(itr->x - a_BlockX)); - WriteByte ((Byte)(itr->y - a_BlockY)); - WriteByte ((Byte)(itr->z - a_BlockZ)); - } - WriteFloat ((float)a_PlayerMotion.x); - WriteFloat ((float)a_PlayerMotion.y); - WriteFloat ((float)a_PlayerMotion.z); - Flush(); -} - - - - - -void cProtocol125::SendGameMode(eGameMode a_GameMode) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_CHANGE_GAME_STATE); - WriteByte(3); - WriteByte((char)a_GameMode); - Flush(); -} - - - - - -void cProtocol125::SendHandshake(const AString & a_ConnectionHash) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_HANDSHAKE); - WriteString(a_ConnectionHash); - Flush(); -} - - - - - -void cProtocol125::SendHealth(void) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_UPDATE_HEALTH); - WriteShort((short)m_Client->GetPlayer()->GetHealth()); - WriteShort(m_Client->GetPlayer()->GetFoodLevel()); - WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel()); - Flush(); -} - - - - - -void cProtocol125::SendInventoryProgress(char a_WindowID, short a_ProgressBar, short a_Value) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_INVENTORY_PROGRESS); - WriteByte (a_WindowID); - WriteShort(a_ProgressBar); - WriteShort(a_Value); - Flush(); -} - - - - - -void cProtocol125::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_INVENTORY_SLOT); - WriteByte (a_WindowID); - WriteShort(a_SlotNum); - WriteItem (a_Item); - Flush(); -} - - - - - -void cProtocol125::SendKeepAlive(int a_PingID) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_KEEP_ALIVE); - WriteInt (a_PingID); - Flush(); -} - - - - - -void cProtocol125::SendLogin(const cPlayer & a_Player, const cWorld & a_World) -{ - UNUSED(a_World); - cCSLock Lock(m_CSPacket); - - WriteByte (PACKET_LOGIN); - WriteInt (a_Player.GetUniqueID()); // EntityID of the player - WriteString(""); // Username, not used - WriteString("default"); // Level type - WriteInt ((int)a_Player.GetGameMode()); - WriteInt ((int)(a_World.GetDimension())); - WriteByte (2); // TODO: Difficulty - WriteByte (0); // Unused - WriteByte (60); // Client list width or something - Flush(); -} - - - - - -void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_PICKUP_SPAWN); - WriteInt (a_Pickup.GetUniqueID()); - WriteShort (a_Pickup.GetItem().m_ItemType); - WriteByte (a_Pickup.GetItem().m_ItemCount); - WriteShort (a_Pickup.GetItem().m_ItemDamage); - WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32)); - WriteByte ((char)(a_Pickup.GetSpeed().x * 8)); - WriteByte ((char)(a_Pickup.GetSpeed().y * 8)); - WriteByte ((char)(a_Pickup.GetSpeed().z * 8)); - Flush(); -} - - - - - -void cProtocol125::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ANIMATION); - WriteInt (a_Player.GetUniqueID()); - WriteByte(a_Animation); - Flush(); -} - - - - - -void cProtocol125::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) -{ - cCSLock Lock(m_CSPacket); - AString PlayerName(a_Player.GetColor()); - PlayerName.append(a_Player.GetName()); - if (PlayerName.length() > 14) - { - PlayerName.erase(14); - } - PlayerName += cChatColor::White; - - WriteByte ((unsigned char)PACKET_PLAYER_LIST_ITEM); - WriteString(PlayerName); - WriteBool (a_IsOnline); - WriteShort (a_Player.GetClientHandle()->GetPing()); - Flush(); -} - - - - - -void cProtocol125::SendPlayerMaxSpeed(void) -{ - // Not supported by this protocol version -} - - - - - -void cProtocol125::SendPlayerMoveLook(void) -{ - cCSLock Lock(m_CSPacket); - - /* - LOGD("Sending PlayerMoveLook: {%0.2f, %0.2f, %0.2f}, stance %0.2f, OnGround: %d", - m_Player->GetPosX(), m_Player->GetPosY(), m_Player->GetPosZ(), m_Player->GetStance(), m_Player->IsOnGround() ? 1 : 0 - ); - */ - - WriteByte (PACKET_PLAYER_MOVE_LOOK); - cPlayer * Player = m_Client->GetPlayer(); - WriteDouble(Player->GetPosX()); - WriteDouble(Player->GetStance() + 0.03); // Add a small amount so that the player doesn't start inside a block - WriteDouble(Player->GetPosY() + 0.03); // Add a small amount so that the player doesn't start inside a block - WriteDouble(Player->GetPosZ()); - WriteFloat ((float)(Player->GetRotation())); - WriteFloat ((float)(Player->GetPitch())); - WriteBool (Player->IsOnGround()); - Flush(); -} - - - - - -void cProtocol125::SendPlayerPosition(void) -{ - cCSLock Lock(m_CSPacket); - LOGD("Ignore send PlayerPos"); // PlayerPos is a C->S packet only now -} - - - - - -void cProtocol125::SendPlayerSpawn(const cPlayer & a_Player) -{ - const cItem & HeldItem = a_Player.GetEquippedItem(); - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_PLAYER_SPAWN); - WriteInt (a_Player.GetUniqueID()); - WriteString(a_Player.GetName()); - WriteInt ((int)(a_Player.GetPosX() * 32)); - WriteInt ((int)(a_Player.GetPosY() * 32)); - WriteInt ((int)(a_Player.GetPosZ() * 32)); - WriteByte ((char)((a_Player.GetRot().x / 360.f) * 256)); - WriteByte ((char)((a_Player.GetRot().y / 360.f) * 256)); - WriteShort (HeldItem.IsEmpty() ? 0 : HeldItem.m_ItemType); - Flush(); -} - - - - - -void cProtocol125::SendRespawn(void) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_RESPAWN); - WriteInt ((int)(m_Client->GetPlayer()->GetWorld()->GetDimension())); - WriteByte (2); // TODO: Difficulty; 2 = Normal - WriteByte ((char)m_Client->GetPlayer()->GetGameMode()); - WriteShort (256); // Current world height - WriteString("default"); -} - - - - - -void cProtocol125::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) -{ - // Not needed in this protocol version -} - - - - - -void cProtocol125::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) -{ - // Not implemented in this protocol version -} - - - - - -void cProtocol125::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) -{ - // This protocol version implements falling blocks using the spawn object / vehicle packet: - SendSpawnObject(a_FallingBlock, 70, a_FallingBlock.GetBlockType(), 0, 0); -} - - - - - -void cProtocol125::SendSpawnMob(const cMonster & a_Mob) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_SPAWN_MOB); - WriteInt (a_Mob.GetUniqueID()); - WriteByte (a_Mob.GetMobType()); - WriteVectorI((Vector3i)(a_Mob.GetPosition() * 32)); - WriteByte (0); - WriteByte (0); - WriteByte (0); - AString MetaData = GetEntityMetaData(a_Mob); - SendData (MetaData.data(), MetaData.size()); - Flush(); -} - - - - - -void cProtocol125::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) -{ - UNUSED(a_Yaw); - UNUSED(a_Pitch); - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_SPAWN_OBJECT); - WriteInt (a_Entity.GetUniqueID()); - WriteByte(a_ObjectType); - WriteInt ((int)(a_Entity.GetPosX() * 32)); - WriteInt ((int)(a_Entity.GetPosY() * 32)); - WriteInt ((int)(a_Entity.GetPosZ() * 32)); - WriteByte(a_Pitch); - WriteByte(a_Yaw); - WriteInt (a_ObjectData); - if (a_ObjectData != 0) - { - WriteShort((short)(a_Entity.GetSpeedX() * 400)); - WriteShort((short)(a_Entity.GetSpeedY() * 400)); - WriteShort((short)(a_Entity.GetSpeedZ() * 400)); - } - Flush(); -} - - - - - -void cProtocol125::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_SPAWN_OBJECT); - WriteInt (a_Vehicle.GetUniqueID()); - WriteByte (a_VehicleType); - WriteInt ((int)(a_Vehicle.GetPosX() * 32)); - WriteInt ((int)(a_Vehicle.GetPosY() * 32)); - WriteInt ((int)(a_Vehicle.GetPosZ() * 32)); - WriteByte ((Byte)((a_Vehicle.GetPitch() / 360.f) * 256)); - WriteByte ((Byte)((a_Vehicle.GetRotation() / 360.f) * 256)); - WriteInt (1); - WriteShort((short)(a_Vehicle.GetSpeedX() * 400)); - WriteShort((short)(a_Vehicle.GetSpeedY() * 400)); - WriteShort((short)(a_Vehicle.GetSpeedZ() * 400)); - Flush(); -} - - - - - -void cProtocol125::SendTeleportEntity(const cEntity & a_Entity) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_ENT_TELEPORT); - WriteInt (a_Entity.GetUniqueID()); - WriteInt ((int)(floor(a_Entity.GetPosX() * 32))); - WriteInt ((int)(floor(a_Entity.GetPosY() * 32))); - WriteInt ((int)(floor(a_Entity.GetPosZ() * 32))); - WriteByte ((char)((a_Entity.GetRotation() / 360.f) * 256)); - WriteByte ((char)((a_Entity.GetPitch() / 360.f) * 256)); - Flush(); -} - - - - - -void cProtocol125::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_THUNDERBOLT); - WriteInt (0x7fffffff); // Entity ID of the thunderbolt; we use a constant one - WriteBool(true); // Unknown bool - WriteInt (a_BlockX * 32); - WriteInt (a_BlockY * 32); - WriteInt (a_BlockZ * 32); - Flush(); -} - - - - - -void cProtocol125::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_UPDATE_TIME); - // Use a_WorldAge for daycount, and a_TimeOfDay for the proper time of day: - WriteInt64((24000 * (a_WorldAge / 24000)) + (a_TimeOfDay % 24000)); - Flush(); -} - - - - - -void cProtocol125::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) -{ - cCSLock Lock(m_CSPacket); - SendPreChunk(a_ChunkX, a_ChunkZ, false); -} - - - - - -void cProtocol125::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 -) -{ - cCSLock Lock(m_CSPacket); - WriteByte ((unsigned char)PACKET_UPDATE_SIGN); - WriteInt (a_BlockX); - WriteShort ((short)a_BlockY); - WriteInt (a_BlockZ); - WriteString(a_Line1); - WriteString(a_Line2); - WriteString(a_Line3); - WriteString(a_Line4); - Flush(); -} - - - - - -void cProtocol125::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_USE_BED); - WriteInt (a_Entity.GetUniqueID()); - WriteByte(0); // Unknown byte only 0 has been observed - WriteInt (a_BlockX); - WriteByte(a_BlockY); - WriteInt (a_BlockZ); - Flush(); -} - - - - - -void cProtocol125::SendWeather(eWeather a_Weather) -{ - cCSLock Lock(m_CSPacket); - switch( a_Weather ) - { - case eWeather_Sunny: - { - WriteByte(PACKET_CHANGE_GAME_STATE); - WriteByte(2); // Stop rain - WriteByte(0); // Unused - Flush(); - break; - } - - case eWeather_Rain: - case eWeather_ThunderStorm: - { - WriteByte(PACKET_CHANGE_GAME_STATE); - WriteByte(1); // Begin rain - WriteByte(0); // Unused - Flush(); - break; - } - } -} - - - - - -void cProtocol125::SendWholeInventory(const cInventory & a_Inventory) -{ - SendWholeInventory(*(a_Inventory.GetOwner().GetWindow())); -} - - - - - -void cProtocol125::SendWholeInventory(const cWindow & a_Window) -{ - cCSLock Lock(m_CSPacket); - cItems Slots; - a_Window.GetSlots(*(m_Client->GetPlayer()), Slots); - SendWindowSlots(a_Window.GetWindowID(), Slots.size(), &(Slots[0])); -} - - - - - -void cProtocol125::SendWindowClose(const cWindow & a_Window) -{ - if (a_Window.GetWindowType() == cWindow::Inventory) - { - // Do not send inventory-window-close - return; - } - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_WINDOW_CLOSE); - WriteByte(a_Window.GetWindowID()); - Flush(); -} - - - - - -void cProtocol125::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) -{ - if (a_WindowType < 0) - { - // Do not send for inventory windows - return; - } - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_WINDOW_OPEN); - WriteByte (a_WindowID); - WriteByte (a_WindowType); - WriteString(a_WindowTitle); - WriteByte (a_NumSlots); - Flush(); -} - - - - - -AString cProtocol125::GetAuthServerID(void) -{ - // http://wiki.vg/wiki/index.php?title=Session&oldid=2262 - // The server generates a random hash and that is used for all clients, unmodified - return cRoot::Get()->GetServer()->GetServerID(); -} - - - - - -void cProtocol125::SendData(const char * a_Data, int a_Size) -{ - m_Client->SendData(a_Data, a_Size); -} - - - - - -void cProtocol125::DataReceived(const char * a_Data, int a_Size) -{ - if (!m_ReceivedData.Write(a_Data, a_Size)) - { - // Too much data in the incoming queue, report to caller: - m_Client->PacketBufferFull(); - return; - } - - // Parse and handle all complete packets in m_ReceivedData: - while (m_ReceivedData.CanReadBytes(1)) - { - unsigned char PacketType; - m_ReceivedData.ReadByte(PacketType); - switch (ParsePacket(PacketType)) - { - case PARSE_UNKNOWN: - { - // An unknown packet has been received, notify the client and abort: - m_Client->PacketUnknown(PacketType); - return; - } - case PARSE_ERROR: - { - // An error occurred while parsing a known packet, notify the client and abort: - m_Client->PacketError(PacketType); - return; - } - case PARSE_INCOMPLETE: - { - // Incomplete packet, bail out and process with the next batch of data - m_ReceivedData.ResetRead(); - return; - } - default: - { - // Packet successfully parsed, commit the read data and try again one more packet - m_ReceivedData.CommitRead(); - break; - } - } - } -} - - - - - -int cProtocol125::ParsePacket(unsigned char a_PacketType) -{ - switch (a_PacketType) - { - default: return PARSE_UNKNOWN; - case PACKET_ANIMATION: return ParseArmAnim(); - case PACKET_BLOCK_DIG: return ParseBlockDig(); - case PACKET_BLOCK_PLACE: return ParseBlockPlace(); - case PACKET_CHAT: return ParseChat(); - case PACKET_CREATIVE_INVENTORY_ACTION: return ParseCreativeInventoryAction(); - case PACKET_DISCONNECT: return ParseDisconnect(); - case PACKET_HANDSHAKE: return ParseHandshake(); - case PACKET_KEEP_ALIVE: return ParseKeepAlive(); - case PACKET_LOGIN: return ParseLogin(); - case PACKET_PACKET_ENTITY_ACTION: return ParseEntityAction(); - case PACKET_PING: return ParsePing(); - case PACKET_PLAYER_ABILITIES: return ParsePlayerAbilities(); - case PACKET_PLAYER_LOOK: return ParsePlayerLook(); - case PACKET_PLAYER_MOVE_LOOK: return ParsePlayerMoveLook(); - case PACKET_PLAYER_ON_GROUND: return ParsePlayerOnGround(); - case PACKET_PLAYER_POS: return ParsePlayerPosition(); - case PACKET_PLUGIN_MESSAGE: return ParsePluginMessage(); - case PACKET_RESPAWN: return ParseRespawn(); - case PACKET_SLOT_SELECTED: return ParseSlotSelected(); - case PACKET_UPDATE_SIGN: return ParseUpdateSign(); - case PACKET_USE_ENTITY: return ParseUseEntity(); - case PACKET_WINDOW_CLICK: return ParseWindowClick(); - case PACKET_WINDOW_CLOSE: return ParseWindowClose(); - } -} - - - - - -#define HANDLE_PACKET_PARSE(Packet) \ - { \ - int res = Packet.Parse(m_ReceivedData); \ - if (res < 0) \ - { \ - return res; \ - } \ - } - - - - - -int cProtocol125::ParseArmAnim(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, EntityID); - HANDLE_PACKET_READ(ReadChar, char, Animation); - m_Client->HandleAnimation(Animation); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseBlockDig(void) -{ - HANDLE_PACKET_READ(ReadChar, char, Status); - HANDLE_PACKET_READ(ReadBEInt, int, PosX); - HANDLE_PACKET_READ(ReadByte, Byte, PosY); - HANDLE_PACKET_READ(ReadBEInt, int, PosZ); - HANDLE_PACKET_READ(ReadChar, char, BlockFace); - m_Client->HandleLeftClick(PosX, PosY, PosZ, BlockFace, Status); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseBlockPlace(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, PosX); - HANDLE_PACKET_READ(ReadByte, Byte, PosY); - HANDLE_PACKET_READ(ReadBEInt, int, PosZ); - HANDLE_PACKET_READ(ReadChar, char, BlockFace); - - cItem HeldItem; - int res = ParseItem(HeldItem); - if (res < 0) - { - return res; - } - - // 1.2.5 didn't have any cursor position, so use 8, 8, 8, so that halfslabs and stairs work correctly and the special value is recognizable. - m_Client->HandleRightClick(PosX, PosY, PosZ, BlockFace, 8, 8, 8, HeldItem); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseChat(void) -{ - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Message); - m_Client->HandleChat(Message); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseCreativeInventoryAction(void) -{ - HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); - cItem HeldItem; - int res = ParseItem(HeldItem); - if (res < 0) - { - return res; - } - m_Client->HandleCreativeInventory(SlotNum, HeldItem); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseDisconnect(void) -{ - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Reason); - m_Client->HandleDisconnect(Reason); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseEntityAction(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, EntityID); - HANDLE_PACKET_READ(ReadChar, char, ActionID); - m_Client->HandleEntityAction(EntityID, ActionID); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseHandshake(void) -{ - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username); - - AStringVector UserData = StringSplit(Username, ";"); // "FakeTruth;localhost:25565" - if (UserData.empty()) - { - m_Client->Kick("Did not receive username"); - return PARSE_OK; - } - m_Username = UserData[0]; - - LOGD("HANDSHAKE %s", Username.c_str()); - - if (!m_Client->HandleHandshake( m_Username )) - { - return PARSE_OK; // Player is not allowed into the server - } - - SendHandshake(cRoot::Get()->GetServer()->GetServerID()); - LOGD("User \"%s\" was sent a handshake response", m_Username.c_str()); - - return PARSE_OK; -} - - - - - -int cProtocol125::ParseKeepAlive(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, KeepAliveID); - m_Client->HandleKeepAlive(KeepAliveID); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseLogin(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, ProtocolVersion); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, LevelType); - HANDLE_PACKET_READ(ReadBEInt, int, ServerMode); - HANDLE_PACKET_READ(ReadBEInt, int, Dimension); - HANDLE_PACKET_READ(ReadChar, char, Difficulty); - HANDLE_PACKET_READ(ReadByte, Byte, WorldHeight); - HANDLE_PACKET_READ(ReadByte, Byte, MaxPlayers); - - if (ProtocolVersion < 29) - { - m_Client->Kick("Your client is outdated!"); - return PARSE_OK; - } - else if (ProtocolVersion > 29) - { - m_Client->Kick("Your client version is higher than the server!"); - return PARSE_OK; - } - - if (m_Username.compare(Username) != 0) - { - LOGWARNING("Login Username (\"%s\") does not match Handshake username (\"%s\") for client @ \"%s\", kicking", - Username.c_str(), - m_Username.c_str(), - m_Client->GetIPString().c_str() - ); - m_Client->Kick("Hacked client"); // Don't tell them why we don't want them - return PARSE_OK; - } - - m_Client->HandleLogin(ProtocolVersion, Username); - return PARSE_OK; -} - - - - - -int cProtocol125::ParsePing(void) -{ - // Packet has no more data - m_Client->HandlePing(); - return PARSE_OK; -} - - - - - - -int cProtocol125::ParsePlayerAbilities(void) -{ - HANDLE_PACKET_READ(ReadBool, bool, Invulnerable); - HANDLE_PACKET_READ(ReadBool, bool, IsFlying); - HANDLE_PACKET_READ(ReadBool, bool, CanFly); - HANDLE_PACKET_READ(ReadBool, bool, InstaMine); - // TODO: m_Client->HandlePlayerAbilities(...); - return PARSE_OK; -} - - - - - -int cProtocol125::ParsePlayerLook(void) -{ - HANDLE_PACKET_READ(ReadBEFloat, float, Rotation); - HANDLE_PACKET_READ(ReadBEFloat, float, Pitch); - HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); - m_Client->HandlePlayerLook(Rotation, Pitch, IsOnGround); - return PARSE_OK; -} - - - - - -int cProtocol125::ParsePlayerMoveLook(void) -{ - HANDLE_PACKET_READ(ReadBEDouble, double, PosX); - HANDLE_PACKET_READ(ReadBEDouble, double, PosY); - HANDLE_PACKET_READ(ReadBEDouble, double, Stance); - HANDLE_PACKET_READ(ReadBEDouble, double, PosZ); - HANDLE_PACKET_READ(ReadBEFloat, float, Rotation); - HANDLE_PACKET_READ(ReadBEFloat, float, Pitch); - HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); - // LOGD("Recv PML: {%0.2f, %0.2f, %0.2f}, Stance %0.2f, Gnd: %d", PosX, PosY, PosZ, Stance, IsOnGround ? 1 : 0); - m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, Stance, Rotation, Pitch, IsOnGround); - return PARSE_OK; -} - - - - - -int cProtocol125::ParsePlayerOnGround(void) -{ - HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); - // TODO: m_Client->HandleFlying(IsOnGround); - return PARSE_OK; -} - - - - - -int cProtocol125::ParsePlayerPosition(void) -{ - HANDLE_PACKET_READ(ReadBEDouble, double, PosX); - HANDLE_PACKET_READ(ReadBEDouble, double, PosY); - HANDLE_PACKET_READ(ReadBEDouble, double, Stance); - HANDLE_PACKET_READ(ReadBEDouble, double, PosZ); - HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); - m_Client->HandlePlayerPos(PosX, PosY, PosZ, Stance, IsOnGround); - return PARSE_OK; -} - - - - - -int cProtocol125::ParsePluginMessage(void) -{ - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, ChannelName); - HANDLE_PACKET_READ(ReadBEShort, short, Length); - AString Data; - if (!m_ReceivedData.ReadString(Data, Length)) - { - m_ReceivedData.CheckValid(); - return PARSE_INCOMPLETE; - } - m_ReceivedData.CheckValid(); - - // TODO: Process the data - LOGD("Received %d bytes of plugin data on channel \"%s\".", Length, ChannelName.c_str()); - - return PARSE_OK; -} - - - - - -int cProtocol125::ParseRespawn(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, Dimension); - HANDLE_PACKET_READ(ReadChar, char, Difficulty); - HANDLE_PACKET_READ(ReadChar, char, CreativeMode); - HANDLE_PACKET_READ(ReadBEShort, short, WorldHeight); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, LevelType); - m_Client->HandleRespawn(); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseSlotSelected(void) -{ - HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); - m_Client->HandleSlotSelected(SlotNum); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseUpdateSign(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, BlockX); - HANDLE_PACKET_READ(ReadBEShort, short, BlockY); - HANDLE_PACKET_READ(ReadBEInt, int, BlockZ); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line1); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line2); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line3); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line4); - m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseUseEntity(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, SourceEntityID); - HANDLE_PACKET_READ(ReadBEInt, int, TargetEntityID); - HANDLE_PACKET_READ(ReadBool, bool, IsLeftClick); - m_Client->HandleUseEntity(TargetEntityID, IsLeftClick); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseWindowClick(void) -{ - HANDLE_PACKET_READ(ReadChar, char, WindowID); - HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); - HANDLE_PACKET_READ(ReadBool, bool, IsRightClick); - HANDLE_PACKET_READ(ReadBEShort, short, TransactionID); - HANDLE_PACKET_READ(ReadBool, bool, IsShiftPressed); - cItem HeldItem; - int res = ParseItem(HeldItem); - if (res < 0) - { - return res; - } - - // Convert IsShiftPressed, IsRightClick, SlotNum and HeldItem into eClickAction used in the newer protocols: - eClickAction Action; - if (IsRightClick) - { - if (IsShiftPressed) - { - Action = caShiftRightClick; - } - else - { - if (SlotNum == -999) - { - Action = (HeldItem.IsEmpty()) ? caRightClickOutsideHoldNothing : caRightClickOutside; - } - else - { - Action = caRightClick; - } - } - } - else - { - // IsLeftClick - if (IsShiftPressed) - { - Action = caShiftLeftClick; - } - else - { - if (SlotNum == -999) - { - Action = (HeldItem.IsEmpty()) ? caLeftClickOutsideHoldNothing : caRightClickOutside; - } - else - { - Action = caLeftClick; - } - } - } - m_Client->HandleWindowClick(WindowID, SlotNum, Action, HeldItem); - return PARSE_OK; -} - - - - - -int cProtocol125::ParseWindowClose(void) -{ - HANDLE_PACKET_READ(ReadChar, char, WindowID); - m_Client->HandleWindowClose(WindowID); - return PARSE_OK; -} - - - - - -void cProtocol125::SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad) -{ - WriteByte(PACKET_PRE_CHUNK); - WriteInt (a_ChunkX); - WriteInt (a_ChunkZ); - WriteBool(a_ShouldLoad); - Flush(); -} - - - - - -void cProtocol125::SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items) -{ - WriteByte (PACKET_INVENTORY_WHOLE); - WriteByte (a_WindowID); - WriteShort((short)a_NumItems); - - for (int j = 0; j < a_NumItems; j++) - { - WriteItem(a_Items[j]); - } - Flush(); -} - - - - - -void cProtocol125::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; - } - - WriteShort(ItemType); - if (a_Item.IsEmpty()) - { - return; - } - - WriteByte (a_Item.m_ItemCount); - WriteShort(a_Item.m_ItemDamage); - - if (cItem::IsEnchantable(a_Item.m_ItemType)) - { - // TODO: Implement enchantments - WriteShort(-1); - } -} - - - - - -int cProtocol125::ParseItem(cItem & a_Item) -{ - HANDLE_PACKET_READ(ReadBEShort, short, ItemType); - - if (ItemType <= -1) - { - a_Item.Empty(); - return PARSE_OK; - } - a_Item.m_ItemType = ItemType; - - HANDLE_PACKET_READ(ReadChar, char, ItemCount); - HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage); - a_Item.m_ItemCount = ItemCount; - a_Item.m_ItemDamage = ItemDamage; - if (ItemCount <= 0) - { - a_Item.Empty(); - } - - if (!cItem::IsEnchantable(ItemType)) - { - return PARSE_OK; - } - - HANDLE_PACKET_READ(ReadBEShort, short, EnchantNumBytes); - - if (EnchantNumBytes <= 0) - { - return PARSE_OK; - } - - // TODO: Enchantment not implemented yet! - if (!m_ReceivedData.SkipRead(EnchantNumBytes)) - { - return PARSE_INCOMPLETE; - } - - return PARSE_OK; -} - - - - - -AString cProtocol125::GetEntityMetaData(const cEntity & a_Entity) -{ - // We should send all the metadata here - AString MetaData; - // Common metadata (index 0, byte): - MetaData.push_back(0); - MetaData.push_back(GetEntityMetadataFlags(a_Entity)); - - // TODO: Add more entity-specific metadata - - MetaData.push_back(0x7f); // End metadata - return MetaData; -} - - - - - -char cProtocol125::GetEntityMetadataFlags(const cEntity & a_Entity) -{ - char Flags = 0; - if (a_Entity.IsOnFire()) - { - Flags |= 1; - } - if (a_Entity.IsCrouched()) - { - Flags |= 2; - } - if (a_Entity.IsRiding()) - { - Flags |= 4; - } - if (a_Entity.IsSprinting()) - { - Flags |= 8; - } - if (a_Entity.IsRclking()) - { - Flags |= 16; - } - return Flags; -} - - - - + +// Protocol125.cpp + +// Implements the cProtocol125 class representing the release 1.2.5 protocol (#29) +/* +Documentation: + - protocol: http://wiki.vg/wiki/index.php?title=Protocol&oldid=2513 + - session handling: http://wiki.vg/wiki/index.php?title=Session&oldid=2262 + - slot format: http://wiki.vg/wiki/index.php?title=Slot_Data&oldid=2152 +*/ + +#include "Globals.h" + +#include "Protocol125.h" + +#include "../ClientHandle.h" +#include "ChunkDataSerializer.h" +#include "../Entity.h" +#include "../Mobs/Monster.h" +#include "../Pickup.h" +#include "../Player.h" +#include "../ChatColor.h" +#include "../UI/Window.h" +#include "../Root.h" +#include "../Server.h" +#include "../FallingBlock.h" + + + + + +enum +{ + PACKET_KEEP_ALIVE = 0x00, + PACKET_LOGIN = 0x01, + PACKET_HANDSHAKE = 0x02, + PACKET_CHAT = 0x03, + PACKET_UPDATE_TIME = 0x04, + PACKET_ENTITY_EQUIPMENT = 0x05, + PACKET_USE_ENTITY = 0x07, + PACKET_UPDATE_HEALTH = 0x08, + PACKET_RESPAWN = 0x09, + PACKET_PLAYER_ON_GROUND = 0x0a, + PACKET_PLAYER_POS = 0x0b, + PACKET_PLAYER_LOOK = 0x0c, + PACKET_PLAYER_MOVE_LOOK = 0x0d, + PACKET_BLOCK_DIG = 0x0e, + PACKET_BLOCK_PLACE = 0x0f, + PACKET_SLOT_SELECTED = 0x10, + PACKET_USE_BED = 0x11, + PACKET_ANIMATION = 0x12, + PACKET_PACKET_ENTITY_ACTION = 0x13, + PACKET_PLAYER_SPAWN = 0x14, + PACKET_PICKUP_SPAWN = 0x15, + PACKET_COLLECT_PICKUP = 0x16, + PACKET_SPAWN_OBJECT = 0x17, + PACKET_SPAWN_MOB = 0x18, + PACKET_ENTITY_VELOCITY = 0x1c, + PACKET_DESTROY_ENTITY = 0x1d, + PACKET_ENTITY = 0x1e, + PACKET_ENT_REL_MOVE = 0x1f, + PACKET_ENT_LOOK = 0x20, + PACKET_ENT_REL_MOVE_LOOK = 0x21, + PACKET_ENT_TELEPORT = 0x22, + PACKET_ENT_HEAD_LOOK = 0x23, + PACKET_ENT_STATUS = 0x26, + PACKET_ATTACH_ENTITY = 0x27, + PACKET_METADATA = 0x28, + PACKET_PRE_CHUNK = 0x32, + PACKET_MAP_CHUNK = 0x33, + PACKET_MULTI_BLOCK = 0x34, + PACKET_BLOCK_CHANGE = 0x35, + PACKET_BLOCK_ACTION = 0x36, + PACKET_EXPLOSION = 0x3C, + PACKET_SOUND_EFFECT = 0x3e, + PACKET_SOUND_PARTICLE_EFFECT = 0x3d, + PACKET_CHANGE_GAME_STATE = 0x46, + PACKET_THUNDERBOLT = 0x47, + PACKET_WINDOW_OPEN = 0x64, + PACKET_WINDOW_CLOSE = 0x65, + PACKET_WINDOW_CLICK = 0x66, + PACKET_INVENTORY_SLOT = 0x67, + PACKET_INVENTORY_WHOLE = 0x68, + PACKET_INVENTORY_PROGRESS = 0x69, + PACKET_CREATIVE_INVENTORY_ACTION = 0x6B, + PACKET_UPDATE_SIGN = 0x82, + PACKET_PLAYER_LIST_ITEM = 0xC9, + PACKET_PLAYER_ABILITIES = 0xca, + PACKET_PLUGIN_MESSAGE = 0xfa, + PACKET_PING = 0xfe, + PACKET_DISCONNECT = 0xff +} ; + + + + + +#define HANDLE_PACKET_READ(Proc, Type, Var) \ + Type Var; \ + { \ + if (!m_ReceivedData.Proc(Var)) \ + { \ + m_ReceivedData.CheckValid(); \ + return PARSE_INCOMPLETE; \ + } \ + m_ReceivedData.CheckValid(); \ + } + + + + +typedef unsigned char Byte; + + + + + +cProtocol125::cProtocol125(cClientHandle * a_Client) : + super(a_Client), + m_ReceivedData(32 KiB) +{ +} + + + + + +void cProtocol125::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ATTACH_ENTITY); + WriteInt(a_Entity.GetUniqueID()); + WriteInt((a_Vehicle == NULL) ? -1 : a_Vehicle->GetUniqueID()); + Flush(); +} + + + + + +void cProtocol125::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) +{ + UNUSED(a_BlockType); + + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_BLOCK_ACTION); + WriteInt (a_BlockX); + WriteShort((short)a_BlockY); + WriteInt (a_BlockZ); + WriteByte (a_Byte1); + WriteByte (a_Byte2); + Flush(); +} + + + + + +void cProtocol125::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY, int a_BlockZ, char stage) +{ + // Not supported in this protocol version +} + + + + + +void cProtocol125::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_BLOCK_CHANGE); + WriteInt (a_BlockX); + WriteByte((unsigned char)a_BlockY); + WriteInt (a_BlockZ); + WriteByte(a_BlockType); + WriteByte(a_BlockMeta); + Flush(); +} + + + + + +void cProtocol125::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) +{ + cCSLock Lock(m_CSPacket); + if (a_Changes.size() == 1) + { + // Special packet for single-block changes + const sSetBlock & blk = a_Changes.front(); + SendBlockChange(a_ChunkX * cChunkDef::Width + blk.x, blk.y, a_ChunkZ * cChunkDef::Width + blk.z, blk.BlockType, blk.BlockMeta); + return; + } + + WriteByte (PACKET_MULTI_BLOCK); + WriteInt (a_ChunkX); + WriteInt (a_ChunkZ); + WriteShort((unsigned short)a_Changes.size()); + WriteUInt (sizeof(int) * a_Changes.size()); + for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr) + { + unsigned int Coords = itr->y | (itr->z << 8) | (itr->x << 12); + unsigned int Blocks = itr->BlockMeta | (itr->BlockType << 4); + WriteUInt(Coords << 16 | Blocks); + } + Flush(); +} + + + + + +void cProtocol125::SendChat(const AString & a_Message) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_CHAT); + WriteString(a_Message); + Flush(); +} + + + + + +void cProtocol125::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) +{ + cCSLock Lock(m_CSPacket); + + // Send the pre-chunk: + SendPreChunk(a_ChunkX, a_ChunkZ, true); + + // Send the chunk data: + AString Serialized = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_2_5); + WriteByte(PACKET_MAP_CHUNK); + WriteInt (a_ChunkX); + WriteInt (a_ChunkZ); + SendData(Serialized.data(), Serialized.size()); + Flush(); +} + + + + + +void cProtocol125::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_COLLECT_PICKUP); + WriteInt (a_Pickup.GetUniqueID()); + WriteInt (a_Player.GetUniqueID()); + Flush(); +} + + + + + +void cProtocol125::SendDestroyEntity(const cEntity & a_Entity) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_DESTROY_ENTITY); + WriteInt (a_Entity.GetUniqueID()); + Flush(); +} + + + + + +void cProtocol125::SendDisconnect(const AString & a_Reason) +{ + cCSLock Lock(m_CSPacket); + WriteByte ((unsigned char)PACKET_DISCONNECT); + WriteString(a_Reason); + Flush(); +} + + + + +void cProtocol125::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_ENTITY_EQUIPMENT); + WriteInt (a_Entity.GetUniqueID()); + WriteShort(a_SlotNum); + WriteShort(a_Item.m_ItemType); + WriteShort(a_Item.m_ItemDamage); + Flush(); +} + + + + + +void cProtocol125::SendEntityHeadLook(const cEntity & a_Entity) +{ + ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENT_HEAD_LOOK); + WriteInt (a_Entity.GetUniqueID()); + WriteByte((char)((a_Entity.GetHeadYaw() / 360.f) * 256)); + Flush(); +} + + + + + +void cProtocol125::SendEntityLook(const cEntity & a_Entity) +{ + ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENT_LOOK); + WriteInt (a_Entity.GetUniqueID()); + WriteByte((char)((a_Entity.GetRotation() / 360.f) * 256)); + WriteByte((char)((a_Entity.GetPitch() / 360.f) * 256)); + Flush(); +} + + + + + +void cProtocol125::SendEntityMetadata(const cEntity & a_Entity) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_METADATA); + WriteInt (a_Entity.GetUniqueID()); + AString MetaData = GetEntityMetaData(a_Entity); + SendData(MetaData.data(), MetaData.size()); + Flush(); +} + + + + + +void cProtocol125::SendEntityProperties(const cEntity & a_Entity) +{ + // Not supported in this protocol version +} + + + + + +void cProtocol125::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENT_REL_MOVE); + WriteInt (a_Entity.GetUniqueID()); + WriteByte(a_RelX); + WriteByte(a_RelY); + WriteByte(a_RelZ); + Flush(); +} + + + + + +void cProtocol125::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENT_REL_MOVE_LOOK); + WriteInt (a_Entity.GetUniqueID()); + WriteByte(a_RelX); + WriteByte(a_RelY); + WriteByte(a_RelZ); + WriteByte((char)((a_Entity.GetRotation() / 360.f) * 256)); + WriteByte((char)((a_Entity.GetPitch() / 360.f) * 256)); + Flush(); +} + + + + + +void cProtocol125::SendEntityStatus(const cEntity & a_Entity, char a_Status) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENT_STATUS); + WriteInt (a_Entity.GetUniqueID()); + WriteByte(a_Status); + Flush(); +} + + + + + +void cProtocol125::SendEntityVelocity(const cEntity & a_Entity) +{ + ASSERT(a_Entity.GetUniqueID() != m_Client->GetPlayer()->GetUniqueID()); // Must not send for self + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENTITY_VELOCITY); + WriteInt (a_Entity.GetUniqueID()); + WriteShort((short) (a_Entity.GetSpeedX() * 400)); //400 = 8000 / 20 + WriteShort((short) (a_Entity.GetSpeedY() * 400)); + WriteShort((short) (a_Entity.GetSpeedZ() * 400)); + Flush(); +} + + + + + +void cProtocol125::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_EXPLOSION); + WriteDouble (a_BlockX); + WriteDouble (a_BlockY); + WriteDouble (a_BlockZ); + WriteFloat (a_Radius); + WriteInt (a_BlocksAffected.size()); + for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(); itr != a_BlocksAffected.end(); ++itr) + { + WriteByte ((Byte)(itr->x - a_BlockX)); + WriteByte ((Byte)(itr->y - a_BlockY)); + WriteByte ((Byte)(itr->z - a_BlockZ)); + } + WriteFloat ((float)a_PlayerMotion.x); + WriteFloat ((float)a_PlayerMotion.y); + WriteFloat ((float)a_PlayerMotion.z); + Flush(); +} + + + + + +void cProtocol125::SendGameMode(eGameMode a_GameMode) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_CHANGE_GAME_STATE); + WriteByte(3); + WriteByte((char)a_GameMode); + Flush(); +} + + + + + +void cProtocol125::SendHandshake(const AString & a_ConnectionHash) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_HANDSHAKE); + WriteString(a_ConnectionHash); + Flush(); +} + + + + + +void cProtocol125::SendHealth(void) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_UPDATE_HEALTH); + WriteShort((short)m_Client->GetPlayer()->GetHealth()); + WriteShort(m_Client->GetPlayer()->GetFoodLevel()); + WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel()); + Flush(); +} + + + + + +void cProtocol125::SendInventoryProgress(char a_WindowID, short a_ProgressBar, short a_Value) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_INVENTORY_PROGRESS); + WriteByte (a_WindowID); + WriteShort(a_ProgressBar); + WriteShort(a_Value); + Flush(); +} + + + + + +void cProtocol125::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_INVENTORY_SLOT); + WriteByte (a_WindowID); + WriteShort(a_SlotNum); + WriteItem (a_Item); + Flush(); +} + + + + + +void cProtocol125::SendKeepAlive(int a_PingID) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_KEEP_ALIVE); + WriteInt (a_PingID); + Flush(); +} + + + + + +void cProtocol125::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +{ + UNUSED(a_World); + cCSLock Lock(m_CSPacket); + + WriteByte (PACKET_LOGIN); + WriteInt (a_Player.GetUniqueID()); // EntityID of the player + WriteString(""); // Username, not used + WriteString("default"); // Level type + WriteInt ((int)a_Player.GetGameMode()); + WriteInt ((int)(a_World.GetDimension())); + WriteByte (2); // TODO: Difficulty + WriteByte (0); // Unused + WriteByte (60); // Client list width or something + Flush(); +} + + + + + +void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_PICKUP_SPAWN); + WriteInt (a_Pickup.GetUniqueID()); + WriteShort (a_Pickup.GetItem().m_ItemType); + WriteByte (a_Pickup.GetItem().m_ItemCount); + WriteShort (a_Pickup.GetItem().m_ItemDamage); + WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32)); + WriteByte ((char)(a_Pickup.GetSpeed().x * 8)); + WriteByte ((char)(a_Pickup.GetSpeed().y * 8)); + WriteByte ((char)(a_Pickup.GetSpeed().z * 8)); + Flush(); +} + + + + + +void cProtocol125::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ANIMATION); + WriteInt (a_Player.GetUniqueID()); + WriteByte(a_Animation); + Flush(); +} + + + + + +void cProtocol125::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) +{ + cCSLock Lock(m_CSPacket); + AString PlayerName(a_Player.GetColor()); + PlayerName.append(a_Player.GetName()); + if (PlayerName.length() > 14) + { + PlayerName.erase(14); + } + PlayerName += cChatColor::White; + + WriteByte ((unsigned char)PACKET_PLAYER_LIST_ITEM); + WriteString(PlayerName); + WriteBool (a_IsOnline); + WriteShort (a_Player.GetClientHandle()->GetPing()); + Flush(); +} + + + + + +void cProtocol125::SendPlayerMaxSpeed(void) +{ + // Not supported by this protocol version +} + + + + + +void cProtocol125::SendPlayerMoveLook(void) +{ + cCSLock Lock(m_CSPacket); + + /* + LOGD("Sending PlayerMoveLook: {%0.2f, %0.2f, %0.2f}, stance %0.2f, OnGround: %d", + m_Player->GetPosX(), m_Player->GetPosY(), m_Player->GetPosZ(), m_Player->GetStance(), m_Player->IsOnGround() ? 1 : 0 + ); + */ + + WriteByte (PACKET_PLAYER_MOVE_LOOK); + cPlayer * Player = m_Client->GetPlayer(); + WriteDouble(Player->GetPosX()); + WriteDouble(Player->GetStance() + 0.03); // Add a small amount so that the player doesn't start inside a block + WriteDouble(Player->GetPosY() + 0.03); // Add a small amount so that the player doesn't start inside a block + WriteDouble(Player->GetPosZ()); + WriteFloat ((float)(Player->GetRotation())); + WriteFloat ((float)(Player->GetPitch())); + WriteBool (Player->IsOnGround()); + Flush(); +} + + + + + +void cProtocol125::SendPlayerPosition(void) +{ + cCSLock Lock(m_CSPacket); + LOGD("Ignore send PlayerPos"); // PlayerPos is a C->S packet only now +} + + + + + +void cProtocol125::SendPlayerSpawn(const cPlayer & a_Player) +{ + const cItem & HeldItem = a_Player.GetEquippedItem(); + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_PLAYER_SPAWN); + WriteInt (a_Player.GetUniqueID()); + WriteString(a_Player.GetName()); + WriteInt ((int)(a_Player.GetPosX() * 32)); + WriteInt ((int)(a_Player.GetPosY() * 32)); + WriteInt ((int)(a_Player.GetPosZ() * 32)); + WriteByte ((char)((a_Player.GetRot().x / 360.f) * 256)); + WriteByte ((char)((a_Player.GetRot().y / 360.f) * 256)); + WriteShort (HeldItem.IsEmpty() ? 0 : HeldItem.m_ItemType); + Flush(); +} + + + + + +void cProtocol125::SendRespawn(void) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_RESPAWN); + WriteInt ((int)(m_Client->GetPlayer()->GetWorld()->GetDimension())); + WriteByte (2); // TODO: Difficulty; 2 = Normal + WriteByte ((char)m_Client->GetPlayer()->GetGameMode()); + WriteShort (256); // Current world height + WriteString("default"); +} + + + + + +void cProtocol125::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) +{ + // Not needed in this protocol version +} + + + + + +void cProtocol125::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) +{ + // Not implemented in this protocol version +} + + + + + +void cProtocol125::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) +{ + // This protocol version implements falling blocks using the spawn object / vehicle packet: + SendSpawnObject(a_FallingBlock, 70, a_FallingBlock.GetBlockType(), 0, 0); +} + + + + + +void cProtocol125::SendSpawnMob(const cMonster & a_Mob) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_SPAWN_MOB); + WriteInt (a_Mob.GetUniqueID()); + WriteByte (a_Mob.GetMobType()); + WriteVectorI((Vector3i)(a_Mob.GetPosition() * 32)); + WriteByte (0); + WriteByte (0); + WriteByte (0); + AString MetaData = GetEntityMetaData(a_Mob); + SendData (MetaData.data(), MetaData.size()); + Flush(); +} + + + + + +void cProtocol125::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) +{ + UNUSED(a_Yaw); + UNUSED(a_Pitch); + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_SPAWN_OBJECT); + WriteInt (a_Entity.GetUniqueID()); + WriteByte(a_ObjectType); + WriteInt ((int)(a_Entity.GetPosX() * 32)); + WriteInt ((int)(a_Entity.GetPosY() * 32)); + WriteInt ((int)(a_Entity.GetPosZ() * 32)); + WriteByte(a_Pitch); + WriteByte(a_Yaw); + WriteInt (a_ObjectData); + if (a_ObjectData != 0) + { + WriteShort((short)(a_Entity.GetSpeedX() * 400)); + WriteShort((short)(a_Entity.GetSpeedY() * 400)); + WriteShort((short)(a_Entity.GetSpeedZ() * 400)); + } + Flush(); +} + + + + + +void cProtocol125::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_SPAWN_OBJECT); + WriteInt (a_Vehicle.GetUniqueID()); + WriteByte (a_VehicleType); + WriteInt ((int)(a_Vehicle.GetPosX() * 32)); + WriteInt ((int)(a_Vehicle.GetPosY() * 32)); + WriteInt ((int)(a_Vehicle.GetPosZ() * 32)); + WriteByte ((Byte)((a_Vehicle.GetPitch() / 360.f) * 256)); + WriteByte ((Byte)((a_Vehicle.GetRotation() / 360.f) * 256)); + WriteInt (1); + WriteShort((short)(a_Vehicle.GetSpeedX() * 400)); + WriteShort((short)(a_Vehicle.GetSpeedY() * 400)); + WriteShort((short)(a_Vehicle.GetSpeedZ() * 400)); + Flush(); +} + + + + + +void cProtocol125::SendTeleportEntity(const cEntity & a_Entity) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_ENT_TELEPORT); + WriteInt (a_Entity.GetUniqueID()); + WriteInt ((int)(floor(a_Entity.GetPosX() * 32))); + WriteInt ((int)(floor(a_Entity.GetPosY() * 32))); + WriteInt ((int)(floor(a_Entity.GetPosZ() * 32))); + WriteByte ((char)((a_Entity.GetRotation() / 360.f) * 256)); + WriteByte ((char)((a_Entity.GetPitch() / 360.f) * 256)); + Flush(); +} + + + + + +void cProtocol125::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_THUNDERBOLT); + WriteInt (0x7fffffff); // Entity ID of the thunderbolt; we use a constant one + WriteBool(true); // Unknown bool + WriteInt (a_BlockX * 32); + WriteInt (a_BlockY * 32); + WriteInt (a_BlockZ * 32); + Flush(); +} + + + + + +void cProtocol125::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_UPDATE_TIME); + // Use a_WorldAge for daycount, and a_TimeOfDay for the proper time of day: + WriteInt64((24000 * (a_WorldAge / 24000)) + (a_TimeOfDay % 24000)); + Flush(); +} + + + + + +void cProtocol125::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) +{ + cCSLock Lock(m_CSPacket); + SendPreChunk(a_ChunkX, a_ChunkZ, false); +} + + + + + +void cProtocol125::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 +) +{ + cCSLock Lock(m_CSPacket); + WriteByte ((unsigned char)PACKET_UPDATE_SIGN); + WriteInt (a_BlockX); + WriteShort ((short)a_BlockY); + WriteInt (a_BlockZ); + WriteString(a_Line1); + WriteString(a_Line2); + WriteString(a_Line3); + WriteString(a_Line4); + Flush(); +} + + + + + +void cProtocol125::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_USE_BED); + WriteInt (a_Entity.GetUniqueID()); + WriteByte(0); // Unknown byte only 0 has been observed + WriteInt (a_BlockX); + WriteByte(a_BlockY); + WriteInt (a_BlockZ); + Flush(); +} + + + + + +void cProtocol125::SendWeather(eWeather a_Weather) +{ + cCSLock Lock(m_CSPacket); + switch( a_Weather ) + { + case eWeather_Sunny: + { + WriteByte(PACKET_CHANGE_GAME_STATE); + WriteByte(2); // Stop rain + WriteByte(0); // Unused + Flush(); + break; + } + + case eWeather_Rain: + case eWeather_ThunderStorm: + { + WriteByte(PACKET_CHANGE_GAME_STATE); + WriteByte(1); // Begin rain + WriteByte(0); // Unused + Flush(); + break; + } + } +} + + + + + +void cProtocol125::SendWholeInventory(const cInventory & a_Inventory) +{ + SendWholeInventory(*(a_Inventory.GetOwner().GetWindow())); +} + + + + + +void cProtocol125::SendWholeInventory(const cWindow & a_Window) +{ + cCSLock Lock(m_CSPacket); + cItems Slots; + a_Window.GetSlots(*(m_Client->GetPlayer()), Slots); + SendWindowSlots(a_Window.GetWindowID(), Slots.size(), &(Slots[0])); +} + + + + + +void cProtocol125::SendWindowClose(const cWindow & a_Window) +{ + if (a_Window.GetWindowType() == cWindow::Inventory) + { + // Do not send inventory-window-close + return; + } + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_WINDOW_CLOSE); + WriteByte(a_Window.GetWindowID()); + Flush(); +} + + + + + +void cProtocol125::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) +{ + if (a_WindowType < 0) + { + // Do not send for inventory windows + return; + } + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_WINDOW_OPEN); + WriteByte (a_WindowID); + WriteByte (a_WindowType); + WriteString(a_WindowTitle); + WriteByte (a_NumSlots); + Flush(); +} + + + + + +AString cProtocol125::GetAuthServerID(void) +{ + // http://wiki.vg/wiki/index.php?title=Session&oldid=2262 + // The server generates a random hash and that is used for all clients, unmodified + return cRoot::Get()->GetServer()->GetServerID(); +} + + + + + +void cProtocol125::SendData(const char * a_Data, int a_Size) +{ + m_Client->SendData(a_Data, a_Size); +} + + + + + +void cProtocol125::DataReceived(const char * a_Data, int a_Size) +{ + if (!m_ReceivedData.Write(a_Data, a_Size)) + { + // Too much data in the incoming queue, report to caller: + m_Client->PacketBufferFull(); + return; + } + + // Parse and handle all complete packets in m_ReceivedData: + while (m_ReceivedData.CanReadBytes(1)) + { + unsigned char PacketType; + m_ReceivedData.ReadByte(PacketType); + switch (ParsePacket(PacketType)) + { + case PARSE_UNKNOWN: + { + // An unknown packet has been received, notify the client and abort: + m_Client->PacketUnknown(PacketType); + return; + } + case PARSE_ERROR: + { + // An error occurred while parsing a known packet, notify the client and abort: + m_Client->PacketError(PacketType); + return; + } + case PARSE_INCOMPLETE: + { + // Incomplete packet, bail out and process with the next batch of data + m_ReceivedData.ResetRead(); + return; + } + default: + { + // Packet successfully parsed, commit the read data and try again one more packet + m_ReceivedData.CommitRead(); + break; + } + } + } +} + + + + + +int cProtocol125::ParsePacket(unsigned char a_PacketType) +{ + switch (a_PacketType) + { + default: return PARSE_UNKNOWN; + case PACKET_ANIMATION: return ParseArmAnim(); + case PACKET_BLOCK_DIG: return ParseBlockDig(); + case PACKET_BLOCK_PLACE: return ParseBlockPlace(); + case PACKET_CHAT: return ParseChat(); + case PACKET_CREATIVE_INVENTORY_ACTION: return ParseCreativeInventoryAction(); + case PACKET_DISCONNECT: return ParseDisconnect(); + case PACKET_HANDSHAKE: return ParseHandshake(); + case PACKET_KEEP_ALIVE: return ParseKeepAlive(); + case PACKET_LOGIN: return ParseLogin(); + case PACKET_PACKET_ENTITY_ACTION: return ParseEntityAction(); + case PACKET_PING: return ParsePing(); + case PACKET_PLAYER_ABILITIES: return ParsePlayerAbilities(); + case PACKET_PLAYER_LOOK: return ParsePlayerLook(); + case PACKET_PLAYER_MOVE_LOOK: return ParsePlayerMoveLook(); + case PACKET_PLAYER_ON_GROUND: return ParsePlayerOnGround(); + case PACKET_PLAYER_POS: return ParsePlayerPosition(); + case PACKET_PLUGIN_MESSAGE: return ParsePluginMessage(); + case PACKET_RESPAWN: return ParseRespawn(); + case PACKET_SLOT_SELECTED: return ParseSlotSelected(); + case PACKET_UPDATE_SIGN: return ParseUpdateSign(); + case PACKET_USE_ENTITY: return ParseUseEntity(); + case PACKET_WINDOW_CLICK: return ParseWindowClick(); + case PACKET_WINDOW_CLOSE: return ParseWindowClose(); + } +} + + + + + +#define HANDLE_PACKET_PARSE(Packet) \ + { \ + int res = Packet.Parse(m_ReceivedData); \ + if (res < 0) \ + { \ + return res; \ + } \ + } + + + + + +int cProtocol125::ParseArmAnim(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, EntityID); + HANDLE_PACKET_READ(ReadChar, char, Animation); + m_Client->HandleAnimation(Animation); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseBlockDig(void) +{ + HANDLE_PACKET_READ(ReadChar, char, Status); + HANDLE_PACKET_READ(ReadBEInt, int, PosX); + HANDLE_PACKET_READ(ReadByte, Byte, PosY); + HANDLE_PACKET_READ(ReadBEInt, int, PosZ); + HANDLE_PACKET_READ(ReadChar, char, BlockFace); + m_Client->HandleLeftClick(PosX, PosY, PosZ, BlockFace, Status); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseBlockPlace(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, PosX); + HANDLE_PACKET_READ(ReadByte, Byte, PosY); + HANDLE_PACKET_READ(ReadBEInt, int, PosZ); + HANDLE_PACKET_READ(ReadChar, char, BlockFace); + + cItem HeldItem; + int res = ParseItem(HeldItem); + if (res < 0) + { + return res; + } + + // 1.2.5 didn't have any cursor position, so use 8, 8, 8, so that halfslabs and stairs work correctly and the special value is recognizable. + m_Client->HandleRightClick(PosX, PosY, PosZ, BlockFace, 8, 8, 8, HeldItem); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseChat(void) +{ + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Message); + m_Client->HandleChat(Message); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseCreativeInventoryAction(void) +{ + HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); + cItem HeldItem; + int res = ParseItem(HeldItem); + if (res < 0) + { + return res; + } + m_Client->HandleCreativeInventory(SlotNum, HeldItem); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseDisconnect(void) +{ + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Reason); + m_Client->HandleDisconnect(Reason); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseEntityAction(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, EntityID); + HANDLE_PACKET_READ(ReadChar, char, ActionID); + m_Client->HandleEntityAction(EntityID, ActionID); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseHandshake(void) +{ + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username); + + AStringVector UserData = StringSplit(Username, ";"); // "FakeTruth;localhost:25565" + if (UserData.empty()) + { + m_Client->Kick("Did not receive username"); + return PARSE_OK; + } + m_Username = UserData[0]; + + LOGD("HANDSHAKE %s", Username.c_str()); + + if (!m_Client->HandleHandshake( m_Username )) + { + return PARSE_OK; // Player is not allowed into the server + } + + SendHandshake(cRoot::Get()->GetServer()->GetServerID()); + LOGD("User \"%s\" was sent a handshake response", m_Username.c_str()); + + return PARSE_OK; +} + + + + + +int cProtocol125::ParseKeepAlive(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, KeepAliveID); + m_Client->HandleKeepAlive(KeepAliveID); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseLogin(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, ProtocolVersion); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, LevelType); + HANDLE_PACKET_READ(ReadBEInt, int, ServerMode); + HANDLE_PACKET_READ(ReadBEInt, int, Dimension); + HANDLE_PACKET_READ(ReadChar, char, Difficulty); + HANDLE_PACKET_READ(ReadByte, Byte, WorldHeight); + HANDLE_PACKET_READ(ReadByte, Byte, MaxPlayers); + + if (ProtocolVersion < 29) + { + m_Client->Kick("Your client is outdated!"); + return PARSE_OK; + } + else if (ProtocolVersion > 29) + { + m_Client->Kick("Your client version is higher than the server!"); + return PARSE_OK; + } + + if (m_Username.compare(Username) != 0) + { + LOGWARNING("Login Username (\"%s\") does not match Handshake username (\"%s\") for client @ \"%s\", kicking", + Username.c_str(), + m_Username.c_str(), + m_Client->GetIPString().c_str() + ); + m_Client->Kick("Hacked client"); // Don't tell them why we don't want them + return PARSE_OK; + } + + m_Client->HandleLogin(ProtocolVersion, Username); + return PARSE_OK; +} + + + + + +int cProtocol125::ParsePing(void) +{ + // Packet has no more data + m_Client->HandlePing(); + return PARSE_OK; +} + + + + + + +int cProtocol125::ParsePlayerAbilities(void) +{ + HANDLE_PACKET_READ(ReadBool, bool, Invulnerable); + HANDLE_PACKET_READ(ReadBool, bool, IsFlying); + HANDLE_PACKET_READ(ReadBool, bool, CanFly); + HANDLE_PACKET_READ(ReadBool, bool, InstaMine); + // TODO: m_Client->HandlePlayerAbilities(...); + return PARSE_OK; +} + + + + + +int cProtocol125::ParsePlayerLook(void) +{ + HANDLE_PACKET_READ(ReadBEFloat, float, Rotation); + HANDLE_PACKET_READ(ReadBEFloat, float, Pitch); + HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); + m_Client->HandlePlayerLook(Rotation, Pitch, IsOnGround); + return PARSE_OK; +} + + + + + +int cProtocol125::ParsePlayerMoveLook(void) +{ + HANDLE_PACKET_READ(ReadBEDouble, double, PosX); + HANDLE_PACKET_READ(ReadBEDouble, double, PosY); + HANDLE_PACKET_READ(ReadBEDouble, double, Stance); + HANDLE_PACKET_READ(ReadBEDouble, double, PosZ); + HANDLE_PACKET_READ(ReadBEFloat, float, Rotation); + HANDLE_PACKET_READ(ReadBEFloat, float, Pitch); + HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); + // LOGD("Recv PML: {%0.2f, %0.2f, %0.2f}, Stance %0.2f, Gnd: %d", PosX, PosY, PosZ, Stance, IsOnGround ? 1 : 0); + m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, Stance, Rotation, Pitch, IsOnGround); + return PARSE_OK; +} + + + + + +int cProtocol125::ParsePlayerOnGround(void) +{ + HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); + // TODO: m_Client->HandleFlying(IsOnGround); + return PARSE_OK; +} + + + + + +int cProtocol125::ParsePlayerPosition(void) +{ + HANDLE_PACKET_READ(ReadBEDouble, double, PosX); + HANDLE_PACKET_READ(ReadBEDouble, double, PosY); + HANDLE_PACKET_READ(ReadBEDouble, double, Stance); + HANDLE_PACKET_READ(ReadBEDouble, double, PosZ); + HANDLE_PACKET_READ(ReadBool, bool, IsOnGround); + m_Client->HandlePlayerPos(PosX, PosY, PosZ, Stance, IsOnGround); + return PARSE_OK; +} + + + + + +int cProtocol125::ParsePluginMessage(void) +{ + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, ChannelName); + HANDLE_PACKET_READ(ReadBEShort, short, Length); + AString Data; + if (!m_ReceivedData.ReadString(Data, Length)) + { + m_ReceivedData.CheckValid(); + return PARSE_INCOMPLETE; + } + m_ReceivedData.CheckValid(); + + // TODO: Process the data + LOGD("Received %d bytes of plugin data on channel \"%s\".", Length, ChannelName.c_str()); + + return PARSE_OK; +} + + + + + +int cProtocol125::ParseRespawn(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, Dimension); + HANDLE_PACKET_READ(ReadChar, char, Difficulty); + HANDLE_PACKET_READ(ReadChar, char, CreativeMode); + HANDLE_PACKET_READ(ReadBEShort, short, WorldHeight); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, LevelType); + m_Client->HandleRespawn(); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseSlotSelected(void) +{ + HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); + m_Client->HandleSlotSelected(SlotNum); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseUpdateSign(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, BlockX); + HANDLE_PACKET_READ(ReadBEShort, short, BlockY); + HANDLE_PACKET_READ(ReadBEInt, int, BlockZ); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line1); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line2); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line3); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Line4); + m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseUseEntity(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, SourceEntityID); + HANDLE_PACKET_READ(ReadBEInt, int, TargetEntityID); + HANDLE_PACKET_READ(ReadBool, bool, IsLeftClick); + m_Client->HandleUseEntity(TargetEntityID, IsLeftClick); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseWindowClick(void) +{ + HANDLE_PACKET_READ(ReadChar, char, WindowID); + HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); + HANDLE_PACKET_READ(ReadBool, bool, IsRightClick); + HANDLE_PACKET_READ(ReadBEShort, short, TransactionID); + HANDLE_PACKET_READ(ReadBool, bool, IsShiftPressed); + cItem HeldItem; + int res = ParseItem(HeldItem); + if (res < 0) + { + return res; + } + + // Convert IsShiftPressed, IsRightClick, SlotNum and HeldItem into eClickAction used in the newer protocols: + eClickAction Action; + if (IsRightClick) + { + if (IsShiftPressed) + { + Action = caShiftRightClick; + } + else + { + if (SlotNum == -999) + { + Action = (HeldItem.IsEmpty()) ? caRightClickOutsideHoldNothing : caRightClickOutside; + } + else + { + Action = caRightClick; + } + } + } + else + { + // IsLeftClick + if (IsShiftPressed) + { + Action = caShiftLeftClick; + } + else + { + if (SlotNum == -999) + { + Action = (HeldItem.IsEmpty()) ? caLeftClickOutsideHoldNothing : caRightClickOutside; + } + else + { + Action = caLeftClick; + } + } + } + m_Client->HandleWindowClick(WindowID, SlotNum, Action, HeldItem); + return PARSE_OK; +} + + + + + +int cProtocol125::ParseWindowClose(void) +{ + HANDLE_PACKET_READ(ReadChar, char, WindowID); + m_Client->HandleWindowClose(WindowID); + return PARSE_OK; +} + + + + + +void cProtocol125::SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad) +{ + WriteByte(PACKET_PRE_CHUNK); + WriteInt (a_ChunkX); + WriteInt (a_ChunkZ); + WriteBool(a_ShouldLoad); + Flush(); +} + + + + + +void cProtocol125::SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items) +{ + WriteByte (PACKET_INVENTORY_WHOLE); + WriteByte (a_WindowID); + WriteShort((short)a_NumItems); + + for (int j = 0; j < a_NumItems; j++) + { + WriteItem(a_Items[j]); + } + Flush(); +} + + + + + +void cProtocol125::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; + } + + WriteShort(ItemType); + if (a_Item.IsEmpty()) + { + return; + } + + WriteByte (a_Item.m_ItemCount); + WriteShort(a_Item.m_ItemDamage); + + if (cItem::IsEnchantable(a_Item.m_ItemType)) + { + // TODO: Implement enchantments + WriteShort(-1); + } +} + + + + + +int cProtocol125::ParseItem(cItem & a_Item) +{ + HANDLE_PACKET_READ(ReadBEShort, short, ItemType); + + if (ItemType <= -1) + { + a_Item.Empty(); + return PARSE_OK; + } + a_Item.m_ItemType = ItemType; + + HANDLE_PACKET_READ(ReadChar, char, ItemCount); + HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage); + a_Item.m_ItemCount = ItemCount; + a_Item.m_ItemDamage = ItemDamage; + if (ItemCount <= 0) + { + a_Item.Empty(); + } + + if (!cItem::IsEnchantable(ItemType)) + { + return PARSE_OK; + } + + HANDLE_PACKET_READ(ReadBEShort, short, EnchantNumBytes); + + if (EnchantNumBytes <= 0) + { + return PARSE_OK; + } + + // TODO: Enchantment not implemented yet! + if (!m_ReceivedData.SkipRead(EnchantNumBytes)) + { + return PARSE_INCOMPLETE; + } + + return PARSE_OK; +} + + + + + +AString cProtocol125::GetEntityMetaData(const cEntity & a_Entity) +{ + // We should send all the metadata here + AString MetaData; + // Common metadata (index 0, byte): + MetaData.push_back(0); + MetaData.push_back(GetEntityMetadataFlags(a_Entity)); + + // TODO: Add more entity-specific metadata + + MetaData.push_back(0x7f); // End metadata + return MetaData; +} + + + + + +char cProtocol125::GetEntityMetadataFlags(const cEntity & a_Entity) +{ + char Flags = 0; + if (a_Entity.IsOnFire()) + { + Flags |= 1; + } + if (a_Entity.IsCrouched()) + { + Flags |= 2; + } + if (a_Entity.IsRiding()) + { + Flags |= 4; + } + if (a_Entity.IsSprinting()) + { + Flags |= 8; + } + if (a_Entity.IsRclking()) + { + Flags |= 16; + } + return Flags; +} + + + + diff --git a/source/Protocol/Protocol125.h b/source/Protocol/Protocol125.h index 2f769f362..2e4f80902 100644 --- a/source/Protocol/Protocol125.h +++ b/source/Protocol/Protocol125.h @@ -1,152 +1,152 @@ - -// Protocol125.h - -// Interfaces to the cProtocol125 class representing the release 1.2.5 protocol (#29) - - - - - -#pragma once - -#include "Protocol.h" -#include "../ByteBuffer.h" - - - - - -class cProtocol125 : - public cProtocol -{ - typedef cProtocol super; -public: - cProtocol125(cClientHandle * a_Client); - - /// 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 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 SendInventoryProgress (char a_WindowID, short a_Progressbar, short a_Value) 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 SendPlayerAnimation (const cPlayer & a_Player, 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 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 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) 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 cInventory & a_Inventory) override; - virtual void SendWholeInventory (const cWindow & a_Window) override; - virtual void SendWindowClose (const cWindow & a_Window) override; - virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; - - virtual AString GetAuthServerID(void) override; - -protected: - /// Results of packet-parsing: - enum { - PARSE_OK = 1, - PARSE_ERROR = -1, - PARSE_UNKNOWN = -2, - PARSE_INCOMPLETE = -3, - } ; - - cByteBuffer m_ReceivedData; //< Buffer for the received data - - AString m_Username; //< Stored in ParseHandshake(), compared to Login username - - virtual void SendData(const char * a_Data, int a_Size) override; - - /// Sends the Handshake packet - void SendHandshake(const AString & a_ConnectionHash); - - /// Parse the packet of the specified type from m_ReceivedData (switch into ParseXYZ() ) - virtual int ParsePacket(unsigned char a_PacketType); - - // Specific packet parsers: - virtual int ParseArmAnim (void); - virtual int ParseBlockDig (void); - virtual int ParseBlockPlace (void); - virtual int ParseChat (void); - virtual int ParseCreativeInventoryAction(void); - virtual int ParseDisconnect (void); - virtual int ParseEntityAction (void); - virtual int ParseHandshake (void); - virtual int ParseKeepAlive (void); - virtual int ParseLogin (void); - virtual int ParsePing (void); - virtual int ParsePlayerAbilities (void); - virtual int ParsePlayerLook (void); - virtual int ParsePlayerMoveLook (void); - virtual int ParsePlayerOnGround (void); - virtual int ParsePlayerPosition (void); - virtual int ParsePluginMessage (void); - virtual int ParseRespawn (void); - virtual int ParseSlotSelected (void); - virtual int ParseUpdateSign (void); - virtual int ParseUseEntity (void); - virtual int ParseWindowClick (void); - virtual int ParseWindowClose (void); - - // Utility functions: - /// Writes a "pre-chunk" packet - void SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad); - - /// Writes a "set window items" packet with the specified params - void SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items); - - /// Writes one item, "slot" as the protocol wiki calls it - virtual void WriteItem(const cItem & a_Item); - - /// Parses one item, "slot" as the protocol wiki calls it, from m_ReceivedData; returns the usual ParsePacket() codes - virtual int ParseItem(cItem & a_Item); - - /// Returns the entity metadata representation - AString GetEntityMetaData(const cEntity & a_Entity); - - /// Returns the entity common metadata, index 0 (generic flags) - char GetEntityMetadataFlags(const cEntity & a_Entity); -} ; - - - - + +// Protocol125.h + +// Interfaces to the cProtocol125 class representing the release 1.2.5 protocol (#29) + + + + + +#pragma once + +#include "Protocol.h" +#include "../ByteBuffer.h" + + + + + +class cProtocol125 : + public cProtocol +{ + typedef cProtocol super; +public: + cProtocol125(cClientHandle * a_Client); + + /// 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 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 SendInventoryProgress (char a_WindowID, short a_Progressbar, short a_Value) 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 SendPlayerAnimation (const cPlayer & a_Player, 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 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 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) 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 cInventory & a_Inventory) override; + virtual void SendWholeInventory (const cWindow & a_Window) override; + virtual void SendWindowClose (const cWindow & a_Window) override; + virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; + + virtual AString GetAuthServerID(void) override; + +protected: + /// Results of packet-parsing: + enum { + PARSE_OK = 1, + PARSE_ERROR = -1, + PARSE_UNKNOWN = -2, + PARSE_INCOMPLETE = -3, + } ; + + cByteBuffer m_ReceivedData; //< Buffer for the received data + + AString m_Username; //< Stored in ParseHandshake(), compared to Login username + + virtual void SendData(const char * a_Data, int a_Size) override; + + /// Sends the Handshake packet + void SendHandshake(const AString & a_ConnectionHash); + + /// Parse the packet of the specified type from m_ReceivedData (switch into ParseXYZ() ) + virtual int ParsePacket(unsigned char a_PacketType); + + // Specific packet parsers: + virtual int ParseArmAnim (void); + virtual int ParseBlockDig (void); + virtual int ParseBlockPlace (void); + virtual int ParseChat (void); + virtual int ParseCreativeInventoryAction(void); + virtual int ParseDisconnect (void); + virtual int ParseEntityAction (void); + virtual int ParseHandshake (void); + virtual int ParseKeepAlive (void); + virtual int ParseLogin (void); + virtual int ParsePing (void); + virtual int ParsePlayerAbilities (void); + virtual int ParsePlayerLook (void); + virtual int ParsePlayerMoveLook (void); + virtual int ParsePlayerOnGround (void); + virtual int ParsePlayerPosition (void); + virtual int ParsePluginMessage (void); + virtual int ParseRespawn (void); + virtual int ParseSlotSelected (void); + virtual int ParseUpdateSign (void); + virtual int ParseUseEntity (void); + virtual int ParseWindowClick (void); + virtual int ParseWindowClose (void); + + // Utility functions: + /// Writes a "pre-chunk" packet + void SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad); + + /// Writes a "set window items" packet with the specified params + void SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items); + + /// Writes one item, "slot" as the protocol wiki calls it + virtual void WriteItem(const cItem & a_Item); + + /// Parses one item, "slot" as the protocol wiki calls it, from m_ReceivedData; returns the usual ParsePacket() codes + virtual int ParseItem(cItem & a_Item); + + /// Returns the entity metadata representation + AString GetEntityMetaData(const cEntity & a_Entity); + + /// Returns the entity common metadata, index 0 (generic flags) + char GetEntityMetadataFlags(const cEntity & a_Entity); +} ; + + + + diff --git a/source/Protocol/Protocol132.cpp b/source/Protocol/Protocol132.cpp index f34401b55..9a985ec1f 100644 --- a/source/Protocol/Protocol132.cpp +++ b/source/Protocol/Protocol132.cpp @@ -1,902 +1,902 @@ - -// Protocol132.cpp - -// Implements the cProtocol132 class representing the release 1.3.2 protocol (#39) - -#include "Globals.h" -#include "Protocol132.h" -#include "../Root.h" -#include "../Server.h" -#include "../ClientHandle.h" -#include "../../CryptoPP/randpool.h" -#include "../Item.h" -#include "ChunkDataSerializer.h" -#include "../Player.h" -#include "../Mobs/Monster.h" -#include "../UI/Window.h" -#include "../Pickup.h" -#include "../WorldStorage/FastNBT.h" -#include "../StringCompression.h" - - - - - -#define HANDLE_PACKET_READ(Proc, Type, Var) \ - Type Var; \ - { \ - if (!m_ReceivedData.Proc(Var)) \ - { \ - m_ReceivedData.CheckValid(); \ - return PARSE_INCOMPLETE; \ - } \ - m_ReceivedData.CheckValid(); \ - } - - - - -typedef unsigned char Byte; - - - - - -using namespace CryptoPP; - - - - - -const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows... - - - - - -enum -{ - PACKET_KEEP_ALIVE = 0x00, - PACKET_LOGIN = 0x01, - PACKET_ENTITY_EQUIPMENT = 0x05, - PACKET_COMPASS = 0x06, - PACKET_PLAYER_SPAWN = 0x14, - PACKET_COLLECT_PICKUP = 0x16, - PACKET_SPAWN_MOB = 0x18, - PACKET_DESTROY_ENTITIES = 0x1d, - PACKET_CHUNK_DATA = 0x33, - PACKET_BLOCK_CHANGE = 0x35, - PACKET_BLOCK_ACTION = 0x36, - PACKET_BLOCK_BREAK_ANIM = 0x37, - PACKET_SOUND_EFFECT = 0x3e, - PACKET_SOUND_PARTICLE_EFFECT = 0x3d, - PACKET_LOCALE_VIEW_DISTANCE = 0xcc, - PACKET_CLIENT_STATUSES = 0xcd, - PACKET_ENCRYPTION_KEY_RESP = 0xfc, -} ; - - - - - -// Converts a raw 160-bit SHA1 digest into a Java Hex representation -// According to http://wiki.vg/wiki/index.php?title=Protocol_Encryption&oldid=2802 -static void DigestToJava(byte a_Digest[20], AString & a_Out) -{ - bool IsNegative = (a_Digest[0] >= 0x80); - if (IsNegative) - { - // Two's complement: - bool carry = true; // Add one to the whole number - for (int i = 19; i >= 0; i--) - { - a_Digest[i] = ~a_Digest[i]; - if (carry) - { - carry = (a_Digest[i] == 0xff); - a_Digest[i]++; - } - } - } - a_Out.clear(); - a_Out.reserve(40); - for (int i = 0; i < 20; i++) - { - AppendPrintf(a_Out, "%02x", a_Digest[i]); - } - while ((a_Out.length() > 0) && (a_Out[0] == '0')) - { - a_Out.erase(0, 1); - } - if (IsNegative) - { - a_Out.insert(0, "-"); - } -} - - - - - -/* -// Self-test the hash formatting for known values: -// sha1(Notch) : 4ed1f46bbe04bc756bcb17c0c7ce3e4632f06a48 -// sha1(jeb_) : -7c9d5b0044c130109a5d7b5fb5c317c02b4e28c1 -// sha1(simon) : 88e16a1019277b15d58faf0541e11910eb756f6 - -class Test -{ -public: - Test(void) - { - AString DigestNotch, DigestJeb, DigestSimon; - byte Digest[20]; - CryptoPP::SHA1 Checksum; - Checksum.Update((const byte *)"Notch", 5); - Checksum.Final(Digest); - DigestToJava(Digest, DigestNotch); - Checksum.Restart(); - Checksum.Update((const byte *)"jeb_", 4); - Checksum.Final(Digest); - DigestToJava(Digest, DigestJeb); - Checksum.Restart(); - Checksum.Update((const byte *)"simon", 5); - Checksum.Final(Digest); - DigestToJava(Digest, DigestSimon); - printf("Notch: \"%s\"", DigestNotch.c_str()); - printf("jeb_: \"%s\"", DigestJeb.c_str()); - printf("simon: \"%s\"", DigestSimon.c_str()); - } -} test; -*/ - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cProtocol132: - -cProtocol132::cProtocol132(cClientHandle * a_Client) : - super(a_Client), - m_IsEncrypted(false) -{ -} - - - - - -cProtocol132::~cProtocol132() -{ - if (!m_DataToSend.empty()) - { - LOGD("There are %d unsent bytes while deleting cProtocol132", m_DataToSend.size()); - } -} - - - - - -void cProtocol132::DataReceived(const char * a_Data, int a_Size) -{ - if (m_IsEncrypted) - { - byte Decrypted[512]; - while (a_Size > 0) - { - int NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size; - m_Decryptor.ProcessData(Decrypted, (byte *)a_Data, NumBytes); - super::DataReceived((const char *)Decrypted, NumBytes); - a_Size -= NumBytes; - a_Data += NumBytes; - } - } - else - { - super::DataReceived(a_Data, a_Size); - } -} - - - - - -void cProtocol132::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_BLOCK_ACTION); - WriteInt (a_BlockX); - WriteShort((short)a_BlockY); - WriteInt (a_BlockZ); - WriteByte (a_Byte1); - WriteByte (a_Byte2); - WriteShort(a_BlockType); - Flush(); -} - - - - - -void cProtocol132::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY, int a_BlockZ, char stage) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_BLOCK_BREAK_ANIM); - WriteInt (a_entityID); - WriteInt (a_BlockX); - WriteInt (a_BlockY); - WriteInt (a_BlockZ); - WriteByte (stage); - Flush(); -} - - - - - -void cProtocol132::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_BLOCK_CHANGE); - WriteInt (a_BlockX); - WriteByte ((unsigned char)a_BlockY); - WriteInt (a_BlockZ); - WriteShort(a_BlockType); - WriteByte (a_BlockMeta); - Flush(); -} - - - - - -void cProtocol132::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) -{ - cCSLock Lock(m_CSPacket); - - // Pre-chunk not used in 1.3.2. Finally. - - // Send the chunk data: - AString Serialized = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_3_2); - WriteByte(PACKET_CHUNK_DATA); - WriteInt (a_ChunkX); - WriteInt (a_ChunkZ); - SendData(Serialized.data(), Serialized.size()); - Flush(); -} - - - - - -void cProtocol132::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_COLLECT_PICKUP); - WriteInt (a_Pickup.GetUniqueID()); - WriteInt (a_Player.GetUniqueID()); - Flush(); - - // Also send the "pop" sound effect with a somewhat random pitch (fast-random using EntityID ;) - SendSoundEffect( - "random.pop", - (int)(a_Pickup.GetPosX() * 8), (int)(a_Pickup.GetPosY() * 8), (int)(a_Pickup.GetPosZ() * 8), - 0.5, (float)(0.75 + ((float)((a_Pickup.GetUniqueID() * 23) % 32)) / 64) - ); -} - - - - - -void cProtocol132::SendDestroyEntity(const cEntity & a_Entity) -{ - if (a_Entity.GetUniqueID() == m_Client->GetPlayer()->GetUniqueID()) - { - // Do not send "destroy self" to the client, the client would crash (FS #254) - return; - } - - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_DESTROY_ENTITIES); - WriteByte(1); // entity count - WriteInt (a_Entity.GetUniqueID()); - Flush(); -} - - - - - -void cProtocol132::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_ENTITY_EQUIPMENT); - WriteInt (a_Entity.GetUniqueID()); - WriteShort(a_SlotNum); - WriteItem (a_Item); - Flush(); -} - - - - - -void cProtocol132::SendLogin(const cPlayer & a_Player, const cWorld & a_World) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_LOGIN); - WriteInt (a_Player.GetUniqueID()); // EntityID of the player - WriteString("default"); // Level type - WriteByte ((int)a_Player.GetGameMode()); - WriteByte ((Byte)(a_World.GetDimension())); - WriteByte (2); // TODO: Difficulty - WriteByte (0); // Unused, used to be world height - WriteByte (8); // Client list width or something - Flush(); - - SendCompass(a_World); - - // Send the initial position (so that confirmation works, FS #245): - SendPlayerMoveLook(); -} - - - - - -void cProtocol132::SendPlayerSpawn(const cPlayer & a_Player) -{ - const cItem & HeldItem = a_Player.GetEquippedItem(); - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_PLAYER_SPAWN); - WriteInt (a_Player.GetUniqueID()); - WriteString(a_Player.GetName()); - WriteInt ((int)(a_Player.GetPosX() * 32)); - WriteInt ((int)(a_Player.GetPosY() * 32)); - WriteInt ((int)(a_Player.GetPosZ() * 32)); - WriteByte ((char)((a_Player.GetRot().x / 360.f) * 256)); - WriteByte ((char)((a_Player.GetRot().y / 360.f) * 256)); - WriteShort (HeldItem.IsEmpty() ? 0 : HeldItem.m_ItemType); - // Player metadata: just use a default metadata value, since the client doesn't like starting without any metadata: - WriteByte (0); // Index 0, byte (flags) - WriteByte (0); // Flags, empty - WriteByte (0x7f); // End of metadata - Flush(); -} - - - - - -void cProtocol132::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_SOUND_EFFECT); - WriteString (a_SoundName); - WriteInt (a_SrcX); - WriteInt (a_SrcY); - WriteInt (a_SrcZ); - WriteFloat (a_Volume); - WriteByte ((char)(a_Pitch * 63.0f)); - Flush(); -} - - - - - -void cProtocol132::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_SOUND_PARTICLE_EFFECT); - WriteInt (a_EffectID); - WriteInt (a_SrcX / 8); - WriteByte(a_SrcY / 8); - WriteInt (a_SrcZ / 8); - WriteInt (a_Data); - Flush(); -} - - - - - -void cProtocol132::SendSpawnMob(const cMonster & a_Mob) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_SPAWN_MOB); - WriteInt (a_Mob.GetUniqueID()); - WriteByte (a_Mob.GetMobType()); - WriteVectorI((Vector3i)(a_Mob.GetPosition() * 32)); - WriteByte ((Byte)((a_Mob.GetRotation() / 360.f) * 256)); - WriteByte ((Byte)((a_Mob.GetPitch() / 360.f) * 256)); - WriteByte ((Byte)((a_Mob.GetHeadYaw() / 360.f) * 256)); - WriteShort ((short)(a_Mob.GetSpeedX() * 400)); - WriteShort ((short)(a_Mob.GetSpeedY() * 400)); - WriteShort ((short)(a_Mob.GetSpeedZ() * 400)); - AString MetaData = GetEntityMetaData(a_Mob); - SendData (MetaData.data(), MetaData.size()); - Flush(); -} - - - - - -void cProtocol132::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) -{ - // Not used in 1.3.2 - // Does it unload chunks on its own? -} - - - - - -void cProtocol132::SendWholeInventory(const cWindow & a_Window) -{ - // 1.3.2 requires player inventory slots to be sent as SetSlot packets, - // otherwise it sometimes fails to update the window - - // Send the entire window: - super::SendWholeInventory(a_Window); - - // Send the player inventory and hotbar: - const cInventory & Inventory = m_Client->GetPlayer()->GetInventory(); - int BaseOffset = a_Window.GetNumSlots() - (cInventory::invNumSlots - cInventory::invInventoryOffset); // Number of non-inventory slots - char WindowID = a_Window.GetWindowID(); - for (int i = 0; i < cInventory::invInventoryCount; i++) - { - SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetInventorySlot(i)); - } // for i - Inventory[] - BaseOffset += cInventory::invInventoryCount; - for (int i = 0; i < cInventory::invHotbarCount; i++) - { - SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetHotbarSlot(i)); - } // for i - Hotbar[] - - // Send even the item being dragged: - SendInventorySlot(-1, -1, m_Client->GetPlayer()->GetDraggingItem()); -} - - - - - -AString cProtocol132::GetAuthServerID(void) -{ - // http://wiki.vg/wiki/index.php?title=Session&oldid=2615 - // Server uses SHA1 to mix ServerID, Client secret and server public key together - // The mixing is done in StartEncryption, the result is in m_AuthServerID - - return m_AuthServerID; -} - - - - - -int cProtocol132::ParsePacket(unsigned char a_PacketType) -{ - switch (a_PacketType) - { - default: return super::ParsePacket(a_PacketType); // off-load previously known packets into cProtocol125 - case PACKET_LOCALE_VIEW_DISTANCE: return ParseLocaleViewDistance(); - case PACKET_CLIENT_STATUSES: return ParseClientStatuses(); - case PACKET_ENCRYPTION_KEY_RESP: return ParseEncryptionKeyResponse(); - } -} - - - - - -int cProtocol132::ParseBlockPlace(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, PosX); - HANDLE_PACKET_READ(ReadByte, Byte, PosY); - HANDLE_PACKET_READ(ReadBEInt, int, PosZ); - HANDLE_PACKET_READ(ReadChar, char, BlockFace); - - cItem HeldItem; - int res = ParseItem(HeldItem); - if (res < 0) - { - return res; - } - - HANDLE_PACKET_READ(ReadChar, char, CursorX); - HANDLE_PACKET_READ(ReadChar, char, CursorY); - HANDLE_PACKET_READ(ReadChar, char, CursorZ); - - m_Client->HandleRightClick(PosX, PosY, PosZ, BlockFace, CursorX, CursorY, CursorZ, HeldItem); - return PARSE_OK; -} - - - - - -int cProtocol132::ParseHandshake(void) -{ - HANDLE_PACKET_READ(ReadByte, Byte, ProtocolVersion); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username); - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, ServerHost); - HANDLE_PACKET_READ(ReadBEInt, int, ServerPort); - m_Username = Username; - - if (!m_Client->HandleHandshake( m_Username )) - { - return PARSE_OK; // Player is not allowed into the server - } - - // Send a 0xFD Encryption Key Request http://wiki.vg/Protocol#0xFD - CryptoPP::StringSink sink(m_ServerPublicKey); // GCC won't allow inline instantiation in the following line, damned temporary refs - cRoot::Get()->GetServer()->GetPublicKey().Save(sink); - SendEncryptionKeyRequest(); - - return PARSE_OK; -} - - - - - -int cProtocol132::ParseClientStatuses(void) -{ - HANDLE_PACKET_READ(ReadByte, byte, Status); - if ((Status & 1) == 0) - { - m_Client->HandleLogin(39, m_Username); - } - else - { - m_Client->HandleRespawn(); - } - return PARSE_OK; -} - - - - - -int cProtocol132::ParseEncryptionKeyResponse(void) -{ - HANDLE_PACKET_READ(ReadBEShort, short, EncKeyLength); - AString EncKey; - if (!m_ReceivedData.ReadString(EncKey, EncKeyLength)) - { - return PARSE_INCOMPLETE; - } - HANDLE_PACKET_READ(ReadBEShort, short, EncNonceLength); - AString EncNonce; - if (!m_ReceivedData.ReadString(EncNonce, EncNonceLength)) - { - return PARSE_INCOMPLETE; - } - if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN)) - { - LOGD("Too long encryption"); - m_Client->Kick("Hacked client"); - return PARSE_OK; - } - - HandleEncryptionKeyResponse(EncKey, EncNonce); - return PARSE_OK; -} - - - - - -int cProtocol132::ParseLocaleViewDistance(void) -{ - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Locale); - HANDLE_PACKET_READ(ReadChar, char, ViewDistance); - HANDLE_PACKET_READ(ReadChar, char, ChatFlags); - HANDLE_PACKET_READ(ReadChar, char, ClientDifficulty); - // TODO: m_Client->HandleLocale(Locale); - // TODO: m_Client->HandleViewDistance(ViewDistance); - // TODO: m_Client->HandleChatFlags(ChatFlags); - // Ignoring client difficulty - return PARSE_OK; -} - - - - - -int cProtocol132::ParseLogin(void) -{ - // Login packet not used in 1.3.2 - return PARSE_ERROR; -} - - - - - -int cProtocol132::ParsePlayerAbilities(void) -{ - HANDLE_PACKET_READ(ReadBool, bool, Flags); - HANDLE_PACKET_READ(ReadChar, char, FlyingSpeed); - HANDLE_PACKET_READ(ReadChar, char, WalkingSpeed); - // TODO: m_Client->HandlePlayerAbilities(...); - return PARSE_OK; -} - - - - - -void cProtocol132::SendData(const char * a_Data, int a_Size) -{ - m_DataToSend.append(a_Data, a_Size); -} - - - - - -void cProtocol132::Flush(void) -{ - ASSERT(m_CSPacket.IsLockedByCurrentThread()); // Did all packets lock the CS properly? - - if (m_DataToSend.empty()) - { - LOGD("Flushing empty"); - return; - } - const char * a_Data = m_DataToSend.data(); - int a_Size = m_DataToSend.size(); - if (m_IsEncrypted) - { - byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks) - while (a_Size > 0) - { - int NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size; - m_Encryptor.ProcessData(Encrypted, (byte *)a_Data, NumBytes); - super::SendData((const char *)Encrypted, NumBytes); - a_Size -= NumBytes; - a_Data += NumBytes; - } - } - else - { - super::SendData(a_Data, a_Size); - } - m_DataToSend.clear(); -} - - - - - -void cProtocol132::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()) - { - WriteShort(-1); - return; - } - - // Send the enchantments: - cFastNBTWriter Writer; - const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench"; - a_Item.m_Enchantments.WriteToNBTCompound(Writer, TagName); - Writer.Finish(); - AString Compressed; - CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed); - WriteShort(Compressed.size()); - SendData(Compressed.data(), Compressed.size()); -} - - - - - -int cProtocol132::ParseItem(cItem & a_Item) -{ - HANDLE_PACKET_READ(ReadBEShort, short, ItemType); - - if (ItemType <= -1) - { - a_Item.Empty(); - return PARSE_OK; - } - a_Item.m_ItemType = ItemType; - - HANDLE_PACKET_READ(ReadChar, char, ItemCount); - HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage); - a_Item.m_ItemCount = ItemCount; - a_Item.m_ItemDamage = ItemDamage; - if (ItemCount <= 0) - { - a_Item.Empty(); - } - - HANDLE_PACKET_READ(ReadBEShort, short, MetadataLength); - if (MetadataLength <= 0) - { - return PARSE_OK; - } - - // Read the metadata - AString Metadata; - Metadata.resize(MetadataLength); - if (!m_ReceivedData.ReadBuf((void *)Metadata.data(), MetadataLength)) - { - return PARSE_INCOMPLETE; - } - - return ParseItemMetadata(a_Item, Metadata); -} - - - - - -int cProtocol132::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata) -{ - // Uncompress the GZIPped data: - AString Uncompressed; - if (UncompressStringGZIP(a_Metadata.data(), a_Metadata.size(), Uncompressed) != Z_OK) - { - AString HexDump; - CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16); - LOG("Cannot unGZIP item metadata:\n%s", HexDump.c_str()); - return PARSE_ERROR; - } - - // Parse into NBT: - cParsedNBT NBT(Uncompressed.data(), Uncompressed.size()); - if (!NBT.IsValid()) - { - AString HexDump; - CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16); - LOG("Cannot parse NBT item metadata:\n%s", HexDump.c_str()); - return PARSE_ERROR; - } - - // Load enchantments from the NBT: - for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag)) - { - if ( - (NBT.GetType(tag) == TAG_List) && - ( - (NBT.GetName(tag) == "ench") || - (NBT.GetName(tag) == "StoredEnchantments") - ) - ) - { - a_Item.m_Enchantments.ParseFromNBT(NBT, tag); - } - } - - return PARSE_OK; -} - - - - - -void cProtocol132::SendCompass(const cWorld & a_World) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_COMPASS); - WriteInt((int)(a_World.GetSpawnX())); - WriteInt((int)(a_World.GetSpawnY())); - WriteInt((int)(a_World.GetSpawnZ())); - Flush(); -} - - - - - -void cProtocol132::SendEncryptionKeyRequest(void) -{ - cCSLock Lock(m_CSPacket); - WriteByte((char)0xfd); - WriteString(cRoot::Get()->GetServer()->GetServerID()); - WriteShort((short)m_ServerPublicKey.size()); - SendData(m_ServerPublicKey.data(), m_ServerPublicKey.size()); - WriteShort(4); - WriteInt((int)(intptr_t)this); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :) - Flush(); -} - - - - - -void cProtocol132::HandleEncryptionKeyResponse(const AString & a_EncKey, const AString & a_EncNonce) -{ - // Decrypt EncNonce using privkey - RSAES::Decryptor rsaDecryptor(cRoot::Get()->GetServer()->GetPrivateKey()); - time_t CurTime = time(NULL); - CryptoPP::RandomPool rng; - rng.Put((const byte *)&CurTime, sizeof(CurTime)); - byte DecryptedNonce[MAX_ENC_LEN]; - DecodingResult res = rsaDecryptor.Decrypt(rng, (const byte *)a_EncNonce.data(), a_EncNonce.size(), DecryptedNonce); - if (!res.isValidCoding || (res.messageLength != 4)) - { - LOGD("Bad nonce length"); - m_Client->Kick("Hacked client"); - return; - } - if (ntohl(*((int *)DecryptedNonce)) != (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(rng, (const byte *)a_EncKey.data(), a_EncKey.size(), DecryptedKey); - if (!res.isValidCoding || (res.messageLength != 16)) - { - LOGD("Bad key length"); - m_Client->Kick("Hacked client"); - return; - } - - { - // Send encryption key response: - cCSLock Lock(m_CSPacket); - WriteByte((char)0xfc); - WriteShort(0); - WriteShort(0); - Flush(); - } - - StartEncryption(DecryptedKey); - return; -} - - - - - -void cProtocol132::StartEncryption(const byte * a_Key) -{ - m_Encryptor.SetKey(a_Key, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(a_Key, 16))(Name::FeedbackSize(), 1)); - m_Decryptor.SetKey(a_Key, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(a_Key, 16))(Name::FeedbackSize(), 1)); - m_IsEncrypted = true; - - // Prepare the m_AuthServerID: - CryptoPP::SHA1 Checksum; - AString ServerID = cRoot::Get()->GetServer()->GetServerID(); - Checksum.Update((const byte *)ServerID.c_str(), ServerID.length()); - Checksum.Update(a_Key, 16); - Checksum.Update((const byte *)m_ServerPublicKey.c_str(), m_ServerPublicKey.length()); - byte Digest[20]; - Checksum.Final(Digest); - DigestToJava(Digest, m_AuthServerID); -} - - - - + +// Protocol132.cpp + +// Implements the cProtocol132 class representing the release 1.3.2 protocol (#39) + +#include "Globals.h" +#include "Protocol132.h" +#include "../Root.h" +#include "../Server.h" +#include "../ClientHandle.h" +#include "../../CryptoPP/randpool.h" +#include "../Item.h" +#include "ChunkDataSerializer.h" +#include "../Player.h" +#include "../Mobs/Monster.h" +#include "../UI/Window.h" +#include "../Pickup.h" +#include "../WorldStorage/FastNBT.h" +#include "../StringCompression.h" + + + + + +#define HANDLE_PACKET_READ(Proc, Type, Var) \ + Type Var; \ + { \ + if (!m_ReceivedData.Proc(Var)) \ + { \ + m_ReceivedData.CheckValid(); \ + return PARSE_INCOMPLETE; \ + } \ + m_ReceivedData.CheckValid(); \ + } + + + + +typedef unsigned char Byte; + + + + + +using namespace CryptoPP; + + + + + +const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows... + + + + + +enum +{ + PACKET_KEEP_ALIVE = 0x00, + PACKET_LOGIN = 0x01, + PACKET_ENTITY_EQUIPMENT = 0x05, + PACKET_COMPASS = 0x06, + PACKET_PLAYER_SPAWN = 0x14, + PACKET_COLLECT_PICKUP = 0x16, + PACKET_SPAWN_MOB = 0x18, + PACKET_DESTROY_ENTITIES = 0x1d, + PACKET_CHUNK_DATA = 0x33, + PACKET_BLOCK_CHANGE = 0x35, + PACKET_BLOCK_ACTION = 0x36, + PACKET_BLOCK_BREAK_ANIM = 0x37, + PACKET_SOUND_EFFECT = 0x3e, + PACKET_SOUND_PARTICLE_EFFECT = 0x3d, + PACKET_LOCALE_VIEW_DISTANCE = 0xcc, + PACKET_CLIENT_STATUSES = 0xcd, + PACKET_ENCRYPTION_KEY_RESP = 0xfc, +} ; + + + + + +// Converts a raw 160-bit SHA1 digest into a Java Hex representation +// According to http://wiki.vg/wiki/index.php?title=Protocol_Encryption&oldid=2802 +static void DigestToJava(byte a_Digest[20], AString & a_Out) +{ + bool IsNegative = (a_Digest[0] >= 0x80); + if (IsNegative) + { + // Two's complement: + bool carry = true; // Add one to the whole number + for (int i = 19; i >= 0; i--) + { + a_Digest[i] = ~a_Digest[i]; + if (carry) + { + carry = (a_Digest[i] == 0xff); + a_Digest[i]++; + } + } + } + a_Out.clear(); + a_Out.reserve(40); + for (int i = 0; i < 20; i++) + { + AppendPrintf(a_Out, "%02x", a_Digest[i]); + } + while ((a_Out.length() > 0) && (a_Out[0] == '0')) + { + a_Out.erase(0, 1); + } + if (IsNegative) + { + a_Out.insert(0, "-"); + } +} + + + + + +/* +// Self-test the hash formatting for known values: +// sha1(Notch) : 4ed1f46bbe04bc756bcb17c0c7ce3e4632f06a48 +// sha1(jeb_) : -7c9d5b0044c130109a5d7b5fb5c317c02b4e28c1 +// sha1(simon) : 88e16a1019277b15d58faf0541e11910eb756f6 + +class Test +{ +public: + Test(void) + { + AString DigestNotch, DigestJeb, DigestSimon; + byte Digest[20]; + CryptoPP::SHA1 Checksum; + Checksum.Update((const byte *)"Notch", 5); + Checksum.Final(Digest); + DigestToJava(Digest, DigestNotch); + Checksum.Restart(); + Checksum.Update((const byte *)"jeb_", 4); + Checksum.Final(Digest); + DigestToJava(Digest, DigestJeb); + Checksum.Restart(); + Checksum.Update((const byte *)"simon", 5); + Checksum.Final(Digest); + DigestToJava(Digest, DigestSimon); + printf("Notch: \"%s\"", DigestNotch.c_str()); + printf("jeb_: \"%s\"", DigestJeb.c_str()); + printf("simon: \"%s\"", DigestSimon.c_str()); + } +} test; +*/ + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cProtocol132: + +cProtocol132::cProtocol132(cClientHandle * a_Client) : + super(a_Client), + m_IsEncrypted(false) +{ +} + + + + + +cProtocol132::~cProtocol132() +{ + if (!m_DataToSend.empty()) + { + LOGD("There are %d unsent bytes while deleting cProtocol132", m_DataToSend.size()); + } +} + + + + + +void cProtocol132::DataReceived(const char * a_Data, int a_Size) +{ + if (m_IsEncrypted) + { + byte Decrypted[512]; + while (a_Size > 0) + { + int NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size; + m_Decryptor.ProcessData(Decrypted, (byte *)a_Data, NumBytes); + super::DataReceived((const char *)Decrypted, NumBytes); + a_Size -= NumBytes; + a_Data += NumBytes; + } + } + else + { + super::DataReceived(a_Data, a_Size); + } +} + + + + + +void cProtocol132::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_BLOCK_ACTION); + WriteInt (a_BlockX); + WriteShort((short)a_BlockY); + WriteInt (a_BlockZ); + WriteByte (a_Byte1); + WriteByte (a_Byte2); + WriteShort(a_BlockType); + Flush(); +} + + + + + +void cProtocol132::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY, int a_BlockZ, char stage) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_BLOCK_BREAK_ANIM); + WriteInt (a_entityID); + WriteInt (a_BlockX); + WriteInt (a_BlockY); + WriteInt (a_BlockZ); + WriteByte (stage); + Flush(); +} + + + + + +void cProtocol132::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_BLOCK_CHANGE); + WriteInt (a_BlockX); + WriteByte ((unsigned char)a_BlockY); + WriteInt (a_BlockZ); + WriteShort(a_BlockType); + WriteByte (a_BlockMeta); + Flush(); +} + + + + + +void cProtocol132::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) +{ + cCSLock Lock(m_CSPacket); + + // Pre-chunk not used in 1.3.2. Finally. + + // Send the chunk data: + AString Serialized = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_3_2); + WriteByte(PACKET_CHUNK_DATA); + WriteInt (a_ChunkX); + WriteInt (a_ChunkZ); + SendData(Serialized.data(), Serialized.size()); + Flush(); +} + + + + + +void cProtocol132::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_COLLECT_PICKUP); + WriteInt (a_Pickup.GetUniqueID()); + WriteInt (a_Player.GetUniqueID()); + Flush(); + + // Also send the "pop" sound effect with a somewhat random pitch (fast-random using EntityID ;) + SendSoundEffect( + "random.pop", + (int)(a_Pickup.GetPosX() * 8), (int)(a_Pickup.GetPosY() * 8), (int)(a_Pickup.GetPosZ() * 8), + 0.5, (float)(0.75 + ((float)((a_Pickup.GetUniqueID() * 23) % 32)) / 64) + ); +} + + + + + +void cProtocol132::SendDestroyEntity(const cEntity & a_Entity) +{ + if (a_Entity.GetUniqueID() == m_Client->GetPlayer()->GetUniqueID()) + { + // Do not send "destroy self" to the client, the client would crash (FS #254) + return; + } + + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_DESTROY_ENTITIES); + WriteByte(1); // entity count + WriteInt (a_Entity.GetUniqueID()); + Flush(); +} + + + + + +void cProtocol132::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_ENTITY_EQUIPMENT); + WriteInt (a_Entity.GetUniqueID()); + WriteShort(a_SlotNum); + WriteItem (a_Item); + Flush(); +} + + + + + +void cProtocol132::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_LOGIN); + WriteInt (a_Player.GetUniqueID()); // EntityID of the player + WriteString("default"); // Level type + WriteByte ((int)a_Player.GetGameMode()); + WriteByte ((Byte)(a_World.GetDimension())); + WriteByte (2); // TODO: Difficulty + WriteByte (0); // Unused, used to be world height + WriteByte (8); // Client list width or something + Flush(); + + SendCompass(a_World); + + // Send the initial position (so that confirmation works, FS #245): + SendPlayerMoveLook(); +} + + + + + +void cProtocol132::SendPlayerSpawn(const cPlayer & a_Player) +{ + const cItem & HeldItem = a_Player.GetEquippedItem(); + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_PLAYER_SPAWN); + WriteInt (a_Player.GetUniqueID()); + WriteString(a_Player.GetName()); + WriteInt ((int)(a_Player.GetPosX() * 32)); + WriteInt ((int)(a_Player.GetPosY() * 32)); + WriteInt ((int)(a_Player.GetPosZ() * 32)); + WriteByte ((char)((a_Player.GetRot().x / 360.f) * 256)); + WriteByte ((char)((a_Player.GetRot().y / 360.f) * 256)); + WriteShort (HeldItem.IsEmpty() ? 0 : HeldItem.m_ItemType); + // Player metadata: just use a default metadata value, since the client doesn't like starting without any metadata: + WriteByte (0); // Index 0, byte (flags) + WriteByte (0); // Flags, empty + WriteByte (0x7f); // End of metadata + Flush(); +} + + + + + +void cProtocol132::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_SOUND_EFFECT); + WriteString (a_SoundName); + WriteInt (a_SrcX); + WriteInt (a_SrcY); + WriteInt (a_SrcZ); + WriteFloat (a_Volume); + WriteByte ((char)(a_Pitch * 63.0f)); + Flush(); +} + + + + + +void cProtocol132::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_SOUND_PARTICLE_EFFECT); + WriteInt (a_EffectID); + WriteInt (a_SrcX / 8); + WriteByte(a_SrcY / 8); + WriteInt (a_SrcZ / 8); + WriteInt (a_Data); + Flush(); +} + + + + + +void cProtocol132::SendSpawnMob(const cMonster & a_Mob) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_SPAWN_MOB); + WriteInt (a_Mob.GetUniqueID()); + WriteByte (a_Mob.GetMobType()); + WriteVectorI((Vector3i)(a_Mob.GetPosition() * 32)); + WriteByte ((Byte)((a_Mob.GetRotation() / 360.f) * 256)); + WriteByte ((Byte)((a_Mob.GetPitch() / 360.f) * 256)); + WriteByte ((Byte)((a_Mob.GetHeadYaw() / 360.f) * 256)); + WriteShort ((short)(a_Mob.GetSpeedX() * 400)); + WriteShort ((short)(a_Mob.GetSpeedY() * 400)); + WriteShort ((short)(a_Mob.GetSpeedZ() * 400)); + AString MetaData = GetEntityMetaData(a_Mob); + SendData (MetaData.data(), MetaData.size()); + Flush(); +} + + + + + +void cProtocol132::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) +{ + // Not used in 1.3.2 + // Does it unload chunks on its own? +} + + + + + +void cProtocol132::SendWholeInventory(const cWindow & a_Window) +{ + // 1.3.2 requires player inventory slots to be sent as SetSlot packets, + // otherwise it sometimes fails to update the window + + // Send the entire window: + super::SendWholeInventory(a_Window); + + // Send the player inventory and hotbar: + const cInventory & Inventory = m_Client->GetPlayer()->GetInventory(); + int BaseOffset = a_Window.GetNumSlots() - (cInventory::invNumSlots - cInventory::invInventoryOffset); // Number of non-inventory slots + char WindowID = a_Window.GetWindowID(); + for (int i = 0; i < cInventory::invInventoryCount; i++) + { + SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetInventorySlot(i)); + } // for i - Inventory[] + BaseOffset += cInventory::invInventoryCount; + for (int i = 0; i < cInventory::invHotbarCount; i++) + { + SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetHotbarSlot(i)); + } // for i - Hotbar[] + + // Send even the item being dragged: + SendInventorySlot(-1, -1, m_Client->GetPlayer()->GetDraggingItem()); +} + + + + + +AString cProtocol132::GetAuthServerID(void) +{ + // http://wiki.vg/wiki/index.php?title=Session&oldid=2615 + // Server uses SHA1 to mix ServerID, Client secret and server public key together + // The mixing is done in StartEncryption, the result is in m_AuthServerID + + return m_AuthServerID; +} + + + + + +int cProtocol132::ParsePacket(unsigned char a_PacketType) +{ + switch (a_PacketType) + { + default: return super::ParsePacket(a_PacketType); // off-load previously known packets into cProtocol125 + case PACKET_LOCALE_VIEW_DISTANCE: return ParseLocaleViewDistance(); + case PACKET_CLIENT_STATUSES: return ParseClientStatuses(); + case PACKET_ENCRYPTION_KEY_RESP: return ParseEncryptionKeyResponse(); + } +} + + + + + +int cProtocol132::ParseBlockPlace(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, PosX); + HANDLE_PACKET_READ(ReadByte, Byte, PosY); + HANDLE_PACKET_READ(ReadBEInt, int, PosZ); + HANDLE_PACKET_READ(ReadChar, char, BlockFace); + + cItem HeldItem; + int res = ParseItem(HeldItem); + if (res < 0) + { + return res; + } + + HANDLE_PACKET_READ(ReadChar, char, CursorX); + HANDLE_PACKET_READ(ReadChar, char, CursorY); + HANDLE_PACKET_READ(ReadChar, char, CursorZ); + + m_Client->HandleRightClick(PosX, PosY, PosZ, BlockFace, CursorX, CursorY, CursorZ, HeldItem); + return PARSE_OK; +} + + + + + +int cProtocol132::ParseHandshake(void) +{ + HANDLE_PACKET_READ(ReadByte, Byte, ProtocolVersion); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username); + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, ServerHost); + HANDLE_PACKET_READ(ReadBEInt, int, ServerPort); + m_Username = Username; + + if (!m_Client->HandleHandshake( m_Username )) + { + return PARSE_OK; // Player is not allowed into the server + } + + // Send a 0xFD Encryption Key Request http://wiki.vg/Protocol#0xFD + CryptoPP::StringSink sink(m_ServerPublicKey); // GCC won't allow inline instantiation in the following line, damned temporary refs + cRoot::Get()->GetServer()->GetPublicKey().Save(sink); + SendEncryptionKeyRequest(); + + return PARSE_OK; +} + + + + + +int cProtocol132::ParseClientStatuses(void) +{ + HANDLE_PACKET_READ(ReadByte, byte, Status); + if ((Status & 1) == 0) + { + m_Client->HandleLogin(39, m_Username); + } + else + { + m_Client->HandleRespawn(); + } + return PARSE_OK; +} + + + + + +int cProtocol132::ParseEncryptionKeyResponse(void) +{ + HANDLE_PACKET_READ(ReadBEShort, short, EncKeyLength); + AString EncKey; + if (!m_ReceivedData.ReadString(EncKey, EncKeyLength)) + { + return PARSE_INCOMPLETE; + } + HANDLE_PACKET_READ(ReadBEShort, short, EncNonceLength); + AString EncNonce; + if (!m_ReceivedData.ReadString(EncNonce, EncNonceLength)) + { + return PARSE_INCOMPLETE; + } + if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN)) + { + LOGD("Too long encryption"); + m_Client->Kick("Hacked client"); + return PARSE_OK; + } + + HandleEncryptionKeyResponse(EncKey, EncNonce); + return PARSE_OK; +} + + + + + +int cProtocol132::ParseLocaleViewDistance(void) +{ + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Locale); + HANDLE_PACKET_READ(ReadChar, char, ViewDistance); + HANDLE_PACKET_READ(ReadChar, char, ChatFlags); + HANDLE_PACKET_READ(ReadChar, char, ClientDifficulty); + // TODO: m_Client->HandleLocale(Locale); + // TODO: m_Client->HandleViewDistance(ViewDistance); + // TODO: m_Client->HandleChatFlags(ChatFlags); + // Ignoring client difficulty + return PARSE_OK; +} + + + + + +int cProtocol132::ParseLogin(void) +{ + // Login packet not used in 1.3.2 + return PARSE_ERROR; +} + + + + + +int cProtocol132::ParsePlayerAbilities(void) +{ + HANDLE_PACKET_READ(ReadBool, bool, Flags); + HANDLE_PACKET_READ(ReadChar, char, FlyingSpeed); + HANDLE_PACKET_READ(ReadChar, char, WalkingSpeed); + // TODO: m_Client->HandlePlayerAbilities(...); + return PARSE_OK; +} + + + + + +void cProtocol132::SendData(const char * a_Data, int a_Size) +{ + m_DataToSend.append(a_Data, a_Size); +} + + + + + +void cProtocol132::Flush(void) +{ + ASSERT(m_CSPacket.IsLockedByCurrentThread()); // Did all packets lock the CS properly? + + if (m_DataToSend.empty()) + { + LOGD("Flushing empty"); + return; + } + const char * a_Data = m_DataToSend.data(); + int a_Size = m_DataToSend.size(); + if (m_IsEncrypted) + { + byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks) + while (a_Size > 0) + { + int NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size; + m_Encryptor.ProcessData(Encrypted, (byte *)a_Data, NumBytes); + super::SendData((const char *)Encrypted, NumBytes); + a_Size -= NumBytes; + a_Data += NumBytes; + } + } + else + { + super::SendData(a_Data, a_Size); + } + m_DataToSend.clear(); +} + + + + + +void cProtocol132::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()) + { + WriteShort(-1); + return; + } + + // Send the enchantments: + cFastNBTWriter Writer; + const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench"; + a_Item.m_Enchantments.WriteToNBTCompound(Writer, TagName); + Writer.Finish(); + AString Compressed; + CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed); + WriteShort(Compressed.size()); + SendData(Compressed.data(), Compressed.size()); +} + + + + + +int cProtocol132::ParseItem(cItem & a_Item) +{ + HANDLE_PACKET_READ(ReadBEShort, short, ItemType); + + if (ItemType <= -1) + { + a_Item.Empty(); + return PARSE_OK; + } + a_Item.m_ItemType = ItemType; + + HANDLE_PACKET_READ(ReadChar, char, ItemCount); + HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage); + a_Item.m_ItemCount = ItemCount; + a_Item.m_ItemDamage = ItemDamage; + if (ItemCount <= 0) + { + a_Item.Empty(); + } + + HANDLE_PACKET_READ(ReadBEShort, short, MetadataLength); + if (MetadataLength <= 0) + { + return PARSE_OK; + } + + // Read the metadata + AString Metadata; + Metadata.resize(MetadataLength); + if (!m_ReceivedData.ReadBuf((void *)Metadata.data(), MetadataLength)) + { + return PARSE_INCOMPLETE; + } + + return ParseItemMetadata(a_Item, Metadata); +} + + + + + +int cProtocol132::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata) +{ + // Uncompress the GZIPped data: + AString Uncompressed; + if (UncompressStringGZIP(a_Metadata.data(), a_Metadata.size(), Uncompressed) != Z_OK) + { + AString HexDump; + CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16); + LOG("Cannot unGZIP item metadata:\n%s", HexDump.c_str()); + return PARSE_ERROR; + } + + // Parse into NBT: + cParsedNBT NBT(Uncompressed.data(), Uncompressed.size()); + if (!NBT.IsValid()) + { + AString HexDump; + CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16); + LOG("Cannot parse NBT item metadata:\n%s", HexDump.c_str()); + return PARSE_ERROR; + } + + // Load enchantments from the NBT: + for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag)) + { + if ( + (NBT.GetType(tag) == TAG_List) && + ( + (NBT.GetName(tag) == "ench") || + (NBT.GetName(tag) == "StoredEnchantments") + ) + ) + { + a_Item.m_Enchantments.ParseFromNBT(NBT, tag); + } + } + + return PARSE_OK; +} + + + + + +void cProtocol132::SendCompass(const cWorld & a_World) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_COMPASS); + WriteInt((int)(a_World.GetSpawnX())); + WriteInt((int)(a_World.GetSpawnY())); + WriteInt((int)(a_World.GetSpawnZ())); + Flush(); +} + + + + + +void cProtocol132::SendEncryptionKeyRequest(void) +{ + cCSLock Lock(m_CSPacket); + WriteByte((char)0xfd); + WriteString(cRoot::Get()->GetServer()->GetServerID()); + WriteShort((short)m_ServerPublicKey.size()); + SendData(m_ServerPublicKey.data(), m_ServerPublicKey.size()); + WriteShort(4); + WriteInt((int)(intptr_t)this); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :) + Flush(); +} + + + + + +void cProtocol132::HandleEncryptionKeyResponse(const AString & a_EncKey, const AString & a_EncNonce) +{ + // Decrypt EncNonce using privkey + RSAES::Decryptor rsaDecryptor(cRoot::Get()->GetServer()->GetPrivateKey()); + time_t CurTime = time(NULL); + CryptoPP::RandomPool rng; + rng.Put((const byte *)&CurTime, sizeof(CurTime)); + byte DecryptedNonce[MAX_ENC_LEN]; + DecodingResult res = rsaDecryptor.Decrypt(rng, (const byte *)a_EncNonce.data(), a_EncNonce.size(), DecryptedNonce); + if (!res.isValidCoding || (res.messageLength != 4)) + { + LOGD("Bad nonce length"); + m_Client->Kick("Hacked client"); + return; + } + if (ntohl(*((int *)DecryptedNonce)) != (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(rng, (const byte *)a_EncKey.data(), a_EncKey.size(), DecryptedKey); + if (!res.isValidCoding || (res.messageLength != 16)) + { + LOGD("Bad key length"); + m_Client->Kick("Hacked client"); + return; + } + + { + // Send encryption key response: + cCSLock Lock(m_CSPacket); + WriteByte((char)0xfc); + WriteShort(0); + WriteShort(0); + Flush(); + } + + StartEncryption(DecryptedKey); + return; +} + + + + + +void cProtocol132::StartEncryption(const byte * a_Key) +{ + m_Encryptor.SetKey(a_Key, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(a_Key, 16))(Name::FeedbackSize(), 1)); + m_Decryptor.SetKey(a_Key, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(a_Key, 16))(Name::FeedbackSize(), 1)); + m_IsEncrypted = true; + + // Prepare the m_AuthServerID: + CryptoPP::SHA1 Checksum; + AString ServerID = cRoot::Get()->GetServer()->GetServerID(); + Checksum.Update((const byte *)ServerID.c_str(), ServerID.length()); + Checksum.Update(a_Key, 16); + Checksum.Update((const byte *)m_ServerPublicKey.c_str(), m_ServerPublicKey.length()); + byte Digest[20]; + Checksum.Final(Digest); + DigestToJava(Digest, m_AuthServerID); +} + + + + diff --git a/source/Protocol/Protocol132.h b/source/Protocol/Protocol132.h index cf559f1ca..bf8b4ff0e 100644 --- a/source/Protocol/Protocol132.h +++ b/source/Protocol/Protocol132.h @@ -1,100 +1,100 @@ - -// Protocol132.h - -// Interfaces to the cProtocol132 class representing the release 1.3.2 protocol (#39) - - - - - -#pragma once - -#include "Protocol125.h" -#include "../../CryptoPP/modes.h" -#include "../../CryptoPP/aes.h" - - - - - -class cProtocol132 : - public cProtocol125 -{ - typedef cProtocol125 super; -public: - - cProtocol132(cClientHandle * a_Client); - virtual ~cProtocol132(); - - /// Called when client sends some data: - virtual void DataReceived(const char * a_Data, int a_Size) override; - - // Sending commands (alphabetically sorted): - 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 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 SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override; - virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override; - virtual void SendPlayerSpawn (const cPlayer & a_Player) 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 SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override; - virtual void SendSpawnMob (const cMonster & a_Mob) override; - virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override; - virtual void SendWholeInventory (const cWindow & a_Window) override; - - virtual AString GetAuthServerID(void) override; - - /// Handling of the additional packets: - virtual int ParsePacket(unsigned char a_PacketType) override; - - // Modified packets: - virtual int ParseBlockPlace (void) override; - virtual int ParseHandshake (void) override; - virtual int ParseLogin (void) override; - virtual int ParsePlayerAbilities(void) override; - - // New packets: - virtual int ParseClientStatuses (void); - virtual int ParseEncryptionKeyResponse(void); - virtual int ParseLocaleViewDistance (void); - -protected: - bool m_IsEncrypted; - CryptoPP::CFB_Mode::Decryption m_Decryptor; - CryptoPP::CFB_Mode::Encryption m_Encryptor; - AString m_DataToSend; - - /// The ServerID used for session authentication; set in StartEncryption(), used in GetAuthServerID() - AString m_AuthServerID; - - /// The server's public key, as used by SendEncryptionKeyRequest() and StartEncryption() - AString m_ServerPublicKey; - - virtual void SendData(const char * a_Data, int a_Size) override; - - // DEBUG: - virtual void Flush(void) override; - - // Items in slots are sent differently - virtual void WriteItem(const cItem & a_Item) override; - virtual int ParseItem(cItem & a_Item) override; - - /// Parses the metadata that may come with the item. - int ParseItemMetadata(cItem & a_Item, const AString & a_Metadata); - - virtual void SendCompass(const cWorld & a_World); - virtual void SendEncryptionKeyRequest(void); - - /// Decrypts the key and nonce, checks nonce, starts the symmetric encryption - void HandleEncryptionKeyResponse(const AString & a_EncKey, const AString & a_EncNonce); - - /// Starts the symmetric encryption with the specified key; also sets m_AuthServerID - void StartEncryption(const byte * a_Key); -} ; - - - - + +// Protocol132.h + +// Interfaces to the cProtocol132 class representing the release 1.3.2 protocol (#39) + + + + + +#pragma once + +#include "Protocol125.h" +#include "../../CryptoPP/modes.h" +#include "../../CryptoPP/aes.h" + + + + + +class cProtocol132 : + public cProtocol125 +{ + typedef cProtocol125 super; +public: + + cProtocol132(cClientHandle * a_Client); + virtual ~cProtocol132(); + + /// Called when client sends some data: + virtual void DataReceived(const char * a_Data, int a_Size) override; + + // Sending commands (alphabetically sorted): + 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 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 SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override; + virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override; + virtual void SendPlayerSpawn (const cPlayer & a_Player) 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 SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override; + virtual void SendSpawnMob (const cMonster & a_Mob) override; + virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override; + virtual void SendWholeInventory (const cWindow & a_Window) override; + + virtual AString GetAuthServerID(void) override; + + /// Handling of the additional packets: + virtual int ParsePacket(unsigned char a_PacketType) override; + + // Modified packets: + virtual int ParseBlockPlace (void) override; + virtual int ParseHandshake (void) override; + virtual int ParseLogin (void) override; + virtual int ParsePlayerAbilities(void) override; + + // New packets: + virtual int ParseClientStatuses (void); + virtual int ParseEncryptionKeyResponse(void); + virtual int ParseLocaleViewDistance (void); + +protected: + bool m_IsEncrypted; + CryptoPP::CFB_Mode::Decryption m_Decryptor; + CryptoPP::CFB_Mode::Encryption m_Encryptor; + AString m_DataToSend; + + /// The ServerID used for session authentication; set in StartEncryption(), used in GetAuthServerID() + AString m_AuthServerID; + + /// The server's public key, as used by SendEncryptionKeyRequest() and StartEncryption() + AString m_ServerPublicKey; + + virtual void SendData(const char * a_Data, int a_Size) override; + + // DEBUG: + virtual void Flush(void) override; + + // Items in slots are sent differently + virtual void WriteItem(const cItem & a_Item) override; + virtual int ParseItem(cItem & a_Item) override; + + /// Parses the metadata that may come with the item. + int ParseItemMetadata(cItem & a_Item, const AString & a_Metadata); + + virtual void SendCompass(const cWorld & a_World); + virtual void SendEncryptionKeyRequest(void); + + /// Decrypts the key and nonce, checks nonce, starts the symmetric encryption + void HandleEncryptionKeyResponse(const AString & a_EncKey, const AString & a_EncNonce); + + /// Starts the symmetric encryption with the specified key; also sets m_AuthServerID + void StartEncryption(const byte * a_Key); +} ; + + + + diff --git a/source/Protocol/Protocol14x.cpp b/source/Protocol/Protocol14x.cpp index b7d3c91df..35fe0ce1c 100644 --- a/source/Protocol/Protocol14x.cpp +++ b/source/Protocol/Protocol14x.cpp @@ -1,253 +1,253 @@ - -// Protocol14x.cpp - -/* -Implements the 1.4.x protocol classes representing these protocols: -- cProtocol142: - - release 1.4.2 protocol (#47) - - release 1.4.4 protocol (#49) - the same protocol class is used, because the only difference is in a packet that MCServer doesn't implement yet (ITEM_DATA) - - release 1.4.5 protocol (same as 1.4.4) -- cProtocol146: - - release 1.4.6 protocol (#51) -*/ - -#include "Globals.h" -#include "Protocol14x.h" -#include "../Root.h" -#include "../Server.h" -#include "../ClientHandle.h" -#include "../../CryptoPP/randpool.h" -#include "../Item.h" -#include "ChunkDataSerializer.h" -#include "../Player.h" -#include "../Mobs/Monster.h" -#include "../UI/Window.h" -#include "../Pickup.h" -#include "../FallingBlock.h" - - - - - -#define HANDLE_PACKET_READ(Proc, Type, Var) \ - Type Var; \ - { \ - if (!m_ReceivedData.Proc(Var)) \ - { \ - m_ReceivedData.CheckValid(); \ - return PARSE_INCOMPLETE; \ - } \ - m_ReceivedData.CheckValid(); \ - } - - - - - -enum -{ - PACKET_UPDATE_TIME = 0x04, - PACKET_PICKUP_SPAWN = 0x15, - PACKET_SPAWN_OBJECT = 0x17, - PACKET_ENTITY_METADATA = 0x28, - PACKET_SOUND_PARTICLE_EFFECT = 0x3d -} ; - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cProtocol142: - -cProtocol142::cProtocol142(cClientHandle * a_Client) : - super(a_Client) -{ -} - - - - - -int cProtocol142::ParseLocaleViewDistance(void) -{ - HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Locale); - HANDLE_PACKET_READ(ReadChar, char, ViewDistance); - HANDLE_PACKET_READ(ReadChar, char, ChatFlags); - HANDLE_PACKET_READ(ReadChar, char, ClientDifficulty); - HANDLE_PACKET_READ(ReadChar, char, ShouldShowCape); // <-- new in 1.4.2 - // TODO: m_Client->HandleLocale(Locale); - // TODO: m_Client->HandleViewDistance(ViewDistance); - // TODO: m_Client->HandleChatFlags(ChatFlags); - // Ignoring client difficulty - return PARSE_OK; -} - - - - - -void cProtocol142::SendPickupSpawn(const cPickup & a_Pickup) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_PICKUP_SPAWN); - WriteInt (a_Pickup.GetUniqueID()); - WriteItem (a_Pickup.GetItem()); - WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32)); - WriteByte ((char)(a_Pickup.GetSpeed().x * 8)); - WriteByte ((char)(a_Pickup.GetSpeed().y * 8)); - WriteByte ((char)(a_Pickup.GetSpeed().z * 8)); - Flush(); -} - - - - - -void cProtocol142::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_SOUND_PARTICLE_EFFECT); - WriteInt (a_EffectID); - WriteInt (a_SrcX / 8); - WriteByte(a_SrcY / 8); - WriteInt (a_SrcZ / 8); - WriteInt (a_Data); - WriteBool(0); - Flush(); -} - - - - - -void cProtocol142::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_UPDATE_TIME); - WriteInt64(a_WorldAge); - WriteInt64(a_TimeOfDay); - Flush(); -} - - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cProtocol146: - -cProtocol146::cProtocol146(cClientHandle * a_Client) : - super(a_Client) -{ -} - - - - - -void cProtocol146::SendPickupSpawn(const cPickup & a_Pickup) -{ - ASSERT(!a_Pickup.GetItem().IsEmpty()); - - cCSLock Lock(m_CSPacket); - - // Send a SPAWN_OBJECT packet for the base entity: - WriteByte(PACKET_SPAWN_OBJECT); - WriteInt (a_Pickup.GetUniqueID()); - WriteByte(0x02); - WriteInt ((int)(a_Pickup.GetPosX() * 32)); - WriteInt ((int)(a_Pickup.GetPosY() * 32)); - WriteInt ((int)(a_Pickup.GetPosZ() * 32)); - WriteInt (1); - WriteShort((short)(a_Pickup.GetSpeed().x * 32)); - WriteShort((short)(a_Pickup.GetSpeed().y * 32)); - WriteShort((short)(a_Pickup.GetSpeed().z * 32)); - WriteByte(0); - WriteByte(0); - - // Send a ENTITY_METADATA packet with the slot info: - WriteByte(PACKET_ENTITY_METADATA); - WriteInt(a_Pickup.GetUniqueID()); - WriteByte(0xaa); // a slot value at index 10 - WriteItem(a_Pickup.GetItem()); - WriteByte(0x7f); // End of metadata - Flush(); -} - - - - - -void cProtocol146::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) -{ - // Send a spawn object / vehicle packet - cCSLock Lock(m_CSPacket); - - WriteByte(PACKET_SPAWN_OBJECT); - WriteInt (a_FallingBlock.GetUniqueID()); - WriteByte(70); - WriteInt ((int)(a_FallingBlock.GetPosX() * 32)); - WriteInt ((int)(a_FallingBlock.GetPosY() * 32)); - WriteInt ((int)(a_FallingBlock.GetPosZ() * 32)); - WriteByte (0); // Pitch - WriteByte (0); // Yaw - WriteInt (a_FallingBlock.GetBlockType()); // data indicator = blocktype - WriteShort((short)(a_FallingBlock.GetSpeedX() * 400)); - WriteShort((short)(a_FallingBlock.GetSpeedY() * 400)); - WriteShort((short)(a_FallingBlock.GetSpeedZ() * 400)); - Flush(); -} - - - - - -void cProtocol146::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_SPAWN_OBJECT); - WriteInt (a_Entity.GetUniqueID()); - WriteByte(a_ObjectType); - WriteInt ((int)(a_Entity.GetPosX() * 32)); - WriteInt ((int)(a_Entity.GetPosY() * 32)); - WriteInt ((int)(a_Entity.GetPosZ() * 32)); - WriteByte(a_Pitch); - WriteByte(a_Yaw); - WriteInt (a_ObjectData); - if (a_ObjectData != 0) - { - WriteShort((short)(a_Entity.GetSpeedX() * 400)); - WriteShort((short)(a_Entity.GetSpeedY() * 400)); - WriteShort((short)(a_Entity.GetSpeedZ() * 400)); - } - Flush(); -} - - - - - -void cProtocol146::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_SPAWN_OBJECT); - WriteInt (a_Vehicle.GetUniqueID()); - WriteByte(a_VehicleType); - WriteInt ((int)(a_Vehicle.GetPosX() * 32)); - WriteInt ((int)(a_Vehicle.GetPosY() * 32)); - WriteInt ((int)(a_Vehicle.GetPosZ() * 32)); - WriteByte ((Byte)((a_Vehicle.GetPitch() / 360.f) * 256)); - WriteByte ((Byte)((a_Vehicle.GetRotation() / 360.f) * 256)); - WriteInt (1); - WriteShort((short)(a_Vehicle.GetSpeedX() * 400)); - WriteShort((short)(a_Vehicle.GetSpeedY() * 400)); - WriteShort((short)(a_Vehicle.GetSpeedZ() * 400)); - Flush(); -} - - - - - + +// Protocol14x.cpp + +/* +Implements the 1.4.x protocol classes representing these protocols: +- cProtocol142: + - release 1.4.2 protocol (#47) + - release 1.4.4 protocol (#49) - the same protocol class is used, because the only difference is in a packet that MCServer doesn't implement yet (ITEM_DATA) + - release 1.4.5 protocol (same as 1.4.4) +- cProtocol146: + - release 1.4.6 protocol (#51) +*/ + +#include "Globals.h" +#include "Protocol14x.h" +#include "../Root.h" +#include "../Server.h" +#include "../ClientHandle.h" +#include "../../CryptoPP/randpool.h" +#include "../Item.h" +#include "ChunkDataSerializer.h" +#include "../Player.h" +#include "../Mobs/Monster.h" +#include "../UI/Window.h" +#include "../Pickup.h" +#include "../FallingBlock.h" + + + + + +#define HANDLE_PACKET_READ(Proc, Type, Var) \ + Type Var; \ + { \ + if (!m_ReceivedData.Proc(Var)) \ + { \ + m_ReceivedData.CheckValid(); \ + return PARSE_INCOMPLETE; \ + } \ + m_ReceivedData.CheckValid(); \ + } + + + + + +enum +{ + PACKET_UPDATE_TIME = 0x04, + PACKET_PICKUP_SPAWN = 0x15, + PACKET_SPAWN_OBJECT = 0x17, + PACKET_ENTITY_METADATA = 0x28, + PACKET_SOUND_PARTICLE_EFFECT = 0x3d +} ; + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cProtocol142: + +cProtocol142::cProtocol142(cClientHandle * a_Client) : + super(a_Client) +{ +} + + + + + +int cProtocol142::ParseLocaleViewDistance(void) +{ + HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Locale); + HANDLE_PACKET_READ(ReadChar, char, ViewDistance); + HANDLE_PACKET_READ(ReadChar, char, ChatFlags); + HANDLE_PACKET_READ(ReadChar, char, ClientDifficulty); + HANDLE_PACKET_READ(ReadChar, char, ShouldShowCape); // <-- new in 1.4.2 + // TODO: m_Client->HandleLocale(Locale); + // TODO: m_Client->HandleViewDistance(ViewDistance); + // TODO: m_Client->HandleChatFlags(ChatFlags); + // Ignoring client difficulty + return PARSE_OK; +} + + + + + +void cProtocol142::SendPickupSpawn(const cPickup & a_Pickup) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_PICKUP_SPAWN); + WriteInt (a_Pickup.GetUniqueID()); + WriteItem (a_Pickup.GetItem()); + WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32)); + WriteByte ((char)(a_Pickup.GetSpeed().x * 8)); + WriteByte ((char)(a_Pickup.GetSpeed().y * 8)); + WriteByte ((char)(a_Pickup.GetSpeed().z * 8)); + Flush(); +} + + + + + +void cProtocol142::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_SOUND_PARTICLE_EFFECT); + WriteInt (a_EffectID); + WriteInt (a_SrcX / 8); + WriteByte(a_SrcY / 8); + WriteInt (a_SrcZ / 8); + WriteInt (a_Data); + WriteBool(0); + Flush(); +} + + + + + +void cProtocol142::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_UPDATE_TIME); + WriteInt64(a_WorldAge); + WriteInt64(a_TimeOfDay); + Flush(); +} + + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cProtocol146: + +cProtocol146::cProtocol146(cClientHandle * a_Client) : + super(a_Client) +{ +} + + + + + +void cProtocol146::SendPickupSpawn(const cPickup & a_Pickup) +{ + ASSERT(!a_Pickup.GetItem().IsEmpty()); + + cCSLock Lock(m_CSPacket); + + // Send a SPAWN_OBJECT packet for the base entity: + WriteByte(PACKET_SPAWN_OBJECT); + WriteInt (a_Pickup.GetUniqueID()); + WriteByte(0x02); + WriteInt ((int)(a_Pickup.GetPosX() * 32)); + WriteInt ((int)(a_Pickup.GetPosY() * 32)); + WriteInt ((int)(a_Pickup.GetPosZ() * 32)); + WriteInt (1); + WriteShort((short)(a_Pickup.GetSpeed().x * 32)); + WriteShort((short)(a_Pickup.GetSpeed().y * 32)); + WriteShort((short)(a_Pickup.GetSpeed().z * 32)); + WriteByte(0); + WriteByte(0); + + // Send a ENTITY_METADATA packet with the slot info: + WriteByte(PACKET_ENTITY_METADATA); + WriteInt(a_Pickup.GetUniqueID()); + WriteByte(0xaa); // a slot value at index 10 + WriteItem(a_Pickup.GetItem()); + WriteByte(0x7f); // End of metadata + Flush(); +} + + + + + +void cProtocol146::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) +{ + // Send a spawn object / vehicle packet + cCSLock Lock(m_CSPacket); + + WriteByte(PACKET_SPAWN_OBJECT); + WriteInt (a_FallingBlock.GetUniqueID()); + WriteByte(70); + WriteInt ((int)(a_FallingBlock.GetPosX() * 32)); + WriteInt ((int)(a_FallingBlock.GetPosY() * 32)); + WriteInt ((int)(a_FallingBlock.GetPosZ() * 32)); + WriteByte (0); // Pitch + WriteByte (0); // Yaw + WriteInt (a_FallingBlock.GetBlockType()); // data indicator = blocktype + WriteShort((short)(a_FallingBlock.GetSpeedX() * 400)); + WriteShort((short)(a_FallingBlock.GetSpeedY() * 400)); + WriteShort((short)(a_FallingBlock.GetSpeedZ() * 400)); + Flush(); +} + + + + + +void cProtocol146::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_SPAWN_OBJECT); + WriteInt (a_Entity.GetUniqueID()); + WriteByte(a_ObjectType); + WriteInt ((int)(a_Entity.GetPosX() * 32)); + WriteInt ((int)(a_Entity.GetPosY() * 32)); + WriteInt ((int)(a_Entity.GetPosZ() * 32)); + WriteByte(a_Pitch); + WriteByte(a_Yaw); + WriteInt (a_ObjectData); + if (a_ObjectData != 0) + { + WriteShort((short)(a_Entity.GetSpeedX() * 400)); + WriteShort((short)(a_Entity.GetSpeedY() * 400)); + WriteShort((short)(a_Entity.GetSpeedZ() * 400)); + } + Flush(); +} + + + + + +void cProtocol146::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_SPAWN_OBJECT); + WriteInt (a_Vehicle.GetUniqueID()); + WriteByte(a_VehicleType); + WriteInt ((int)(a_Vehicle.GetPosX() * 32)); + WriteInt ((int)(a_Vehicle.GetPosY() * 32)); + WriteInt ((int)(a_Vehicle.GetPosZ() * 32)); + WriteByte ((Byte)((a_Vehicle.GetPitch() / 360.f) * 256)); + WriteByte ((Byte)((a_Vehicle.GetRotation() / 360.f) * 256)); + WriteInt (1); + WriteShort((short)(a_Vehicle.GetSpeedX() * 400)); + WriteShort((short)(a_Vehicle.GetSpeedY() * 400)); + WriteShort((short)(a_Vehicle.GetSpeedZ() * 400)); + Flush(); +} + + + + + diff --git a/source/Protocol/Protocol14x.h b/source/Protocol/Protocol14x.h index a9ff14d84..c3193a3e7 100644 --- a/source/Protocol/Protocol14x.h +++ b/source/Protocol/Protocol14x.h @@ -1,63 +1,63 @@ - -// Protocol14x.h - -/* -Interfaces to the 1.4.x protocol classes representing these protocols: -- cProtocol142: - - release 1.4.2 protocol (#47) - - release 1.4.4 protocol (#49) - the same protocol class is used, because the only difference is in a packet that MCServer doesn't implement yet (ITEM_DATA) - - release 1.4.5 protocol (same as 1.4.4) -- cProtocol146: - - release 1.4.6 protocol (#51) -*/ - - - - - -#pragma once - -#include "Protocol132.h" - - - - - -class cProtocol142 : - public cProtocol132 -{ - typedef cProtocol132 super; - -public: - cProtocol142(cClientHandle * a_Client); - - // Sending commands (alphabetically sorted): - virtual void SendPickupSpawn (const cPickup & a_Pickup) override; - virtual void SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override; - virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay) override; - - // Specific packet parsers: - virtual int ParseLocaleViewDistance(void) override; -} ; - - - - - -class cProtocol146 : - public cProtocol142 -{ - typedef cProtocol142 super; - -public: - cProtocol146(cClientHandle * a_Client); - - virtual void SendPickupSpawn (const cPickup & a_Pickup) override; - virtual void SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) 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) override; -} ; - - - - + +// Protocol14x.h + +/* +Interfaces to the 1.4.x protocol classes representing these protocols: +- cProtocol142: + - release 1.4.2 protocol (#47) + - release 1.4.4 protocol (#49) - the same protocol class is used, because the only difference is in a packet that MCServer doesn't implement yet (ITEM_DATA) + - release 1.4.5 protocol (same as 1.4.4) +- cProtocol146: + - release 1.4.6 protocol (#51) +*/ + + + + + +#pragma once + +#include "Protocol132.h" + + + + + +class cProtocol142 : + public cProtocol132 +{ + typedef cProtocol132 super; + +public: + cProtocol142(cClientHandle * a_Client); + + // Sending commands (alphabetically sorted): + virtual void SendPickupSpawn (const cPickup & a_Pickup) override; + virtual void SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override; + virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay) override; + + // Specific packet parsers: + virtual int ParseLocaleViewDistance(void) override; +} ; + + + + + +class cProtocol146 : + public cProtocol142 +{ + typedef cProtocol142 super; + +public: + cProtocol146(cClientHandle * a_Client); + + virtual void SendPickupSpawn (const cPickup & a_Pickup) override; + virtual void SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) 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) override; +} ; + + + + diff --git a/source/Protocol/Protocol15x.cpp b/source/Protocol/Protocol15x.cpp index cb7fc9fb6..cbae0700e 100644 --- a/source/Protocol/Protocol15x.cpp +++ b/source/Protocol/Protocol15x.cpp @@ -1,137 +1,137 @@ - -// Protocol15x.cpp - -/* -Implements the 1.5.x protocol classes: - - cProtocol150 - - release 1.5 protocol (#60) - - release 1.5.2 protocol (#61, no relevant changes found) -*/ - -#include "Globals.h" -#include "Protocol15x.h" -#include "../ClientHandle.h" -#include "../Item.h" - - - - - -#define HANDLE_PACKET_READ(Proc, Type, Var) \ - Type Var; \ - { \ - if (!m_ReceivedData.Proc(Var)) \ - { \ - m_ReceivedData.CheckValid(); \ - return PARSE_INCOMPLETE; \ - } \ - m_ReceivedData.CheckValid(); \ - } - - - - - -enum -{ - PACKET_WINDOW_OPEN = 0x64, -} ; - - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cProtocol150: - -cProtocol150::cProtocol150(cClientHandle * a_Client) : - super(a_Client) -{ -} - - - - - -void cProtocol150::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) -{ - if (a_WindowType < 0) - { - // Do not send for inventory windows - return; - } - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_WINDOW_OPEN); - WriteByte (a_WindowID); - WriteByte (a_WindowType); - WriteString(a_WindowTitle); - WriteByte (a_NumSlots); - WriteByte (1); // Use title - Flush(); -} - - - - - -int cProtocol150::ParseWindowClick(void) -{ - HANDLE_PACKET_READ(ReadChar, char, WindowID); - HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); - HANDLE_PACKET_READ(ReadByte, Byte, Button); - HANDLE_PACKET_READ(ReadBEShort, short, TransactionID); - HANDLE_PACKET_READ(ReadByte, Byte, Mode); - cItem HeldItem; - int res = ParseItem(HeldItem); - if (res < 0) - { - return res; - } - - // 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; - } - - if (Action == caUnknown) - { - LOGWARNING("Received an unknown click action combination: Mode = %d, Button = %d, Slot = %d, HeldItem = %s. Ignoring packet.", - Mode, Button, SlotNum, ItemToFullString(HeldItem).c_str() - ); - ASSERT(!"Unknown click action"); - return PARSE_OK; - } - - m_Client->HandleWindowClick(WindowID, SlotNum, Action, HeldItem); - return PARSE_OK; -} - - - - - + +// Protocol15x.cpp + +/* +Implements the 1.5.x protocol classes: + - cProtocol150 + - release 1.5 protocol (#60) + - release 1.5.2 protocol (#61, no relevant changes found) +*/ + +#include "Globals.h" +#include "Protocol15x.h" +#include "../ClientHandle.h" +#include "../Item.h" + + + + + +#define HANDLE_PACKET_READ(Proc, Type, Var) \ + Type Var; \ + { \ + if (!m_ReceivedData.Proc(Var)) \ + { \ + m_ReceivedData.CheckValid(); \ + return PARSE_INCOMPLETE; \ + } \ + m_ReceivedData.CheckValid(); \ + } + + + + + +enum +{ + PACKET_WINDOW_OPEN = 0x64, +} ; + + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cProtocol150: + +cProtocol150::cProtocol150(cClientHandle * a_Client) : + super(a_Client) +{ +} + + + + + +void cProtocol150::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) +{ + if (a_WindowType < 0) + { + // Do not send for inventory windows + return; + } + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_WINDOW_OPEN); + WriteByte (a_WindowID); + WriteByte (a_WindowType); + WriteString(a_WindowTitle); + WriteByte (a_NumSlots); + WriteByte (1); // Use title + Flush(); +} + + + + + +int cProtocol150::ParseWindowClick(void) +{ + HANDLE_PACKET_READ(ReadChar, char, WindowID); + HANDLE_PACKET_READ(ReadBEShort, short, SlotNum); + HANDLE_PACKET_READ(ReadByte, Byte, Button); + HANDLE_PACKET_READ(ReadBEShort, short, TransactionID); + HANDLE_PACKET_READ(ReadByte, Byte, Mode); + cItem HeldItem; + int res = ParseItem(HeldItem); + if (res < 0) + { + return res; + } + + // 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; + } + + if (Action == caUnknown) + { + LOGWARNING("Received an unknown click action combination: Mode = %d, Button = %d, Slot = %d, HeldItem = %s. Ignoring packet.", + Mode, Button, SlotNum, ItemToFullString(HeldItem).c_str() + ); + ASSERT(!"Unknown click action"); + return PARSE_OK; + } + + m_Client->HandleWindowClick(WindowID, SlotNum, Action, HeldItem); + return PARSE_OK; +} + + + + + diff --git a/source/Protocol/Protocol15x.h b/source/Protocol/Protocol15x.h index 73d73780d..3e1547df8 100644 --- a/source/Protocol/Protocol15x.h +++ b/source/Protocol/Protocol15x.h @@ -1,38 +1,38 @@ - -// Protocol15x.h - -/* -Declares the 1.5.x protocol classes: - - cProtocol150 - - release 1.5 and 1.5.1 protocol (#60) - - release 1.5.2 protocol (#61; no relevant changes found) -*/ - - - - - -#pragma once - -#include "Protocol14x.h" - - - - - -class cProtocol150 : - public cProtocol146 -{ - typedef cProtocol146 super; - -public: - cProtocol150(cClientHandle * a_Client); - - virtual void SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; - - virtual int ParseWindowClick(void); -} ; - - - - + +// Protocol15x.h + +/* +Declares the 1.5.x protocol classes: + - cProtocol150 + - release 1.5 and 1.5.1 protocol (#60) + - release 1.5.2 protocol (#61; no relevant changes found) +*/ + + + + + +#pragma once + +#include "Protocol14x.h" + + + + + +class cProtocol150 : + public cProtocol146 +{ + typedef cProtocol146 super; + +public: + cProtocol150(cClientHandle * a_Client); + + virtual void SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; + + virtual int ParseWindowClick(void); +} ; + + + + diff --git a/source/Protocol/Protocol16x.cpp b/source/Protocol/Protocol16x.cpp index d06980228..820e71cd9 100644 --- a/source/Protocol/Protocol16x.cpp +++ b/source/Protocol/Protocol16x.cpp @@ -1,245 +1,245 @@ - -// Protocol16x.cpp - -/* -Implements the 1.6.x protocol classes: - - cProtocol161 - - release 1.6.1 protocol (#73) - - cProtocol162 - - release 1.6.2 protocol (#74) -(others may be added later in the future for the 1.6 release series) -*/ - -#include "Globals.h" -#include "Protocol16x.h" -#include "../ClientHandle.h" -#include "../Entity.h" -#include "../Player.h" - - - - - -#define HANDLE_PACKET_READ(Proc, Type, Var) \ - Type Var; \ - { \ - if (!m_ReceivedData.Proc(Var)) \ - { \ - m_ReceivedData.CheckValid(); \ - return PARSE_INCOMPLETE; \ - } \ - m_ReceivedData.CheckValid(); \ - } - - - - - -enum -{ - PACKET_CHAT = 0x03, - PACKET_UPDATE_HEALTH = 0x08, - PACKET_STEER_VEHICLE = 0x1b, - PACKET_ATTACH_ENTITY = 0x27, - PACKET_ENTITY_PROPERTIES = 0x2c, - PACKET_WINDOW_OPEN = 0x64, - PACKET_PLAYER_ABILITIES = 0xca, -} ; - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cProtocol161: - -cProtocol161::cProtocol161(cClientHandle * a_Client) : - super(a_Client) -{ -} - - - - - -void cProtocol161::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ATTACH_ENTITY); - WriteInt(a_Entity.GetUniqueID()); - WriteInt((a_Vehicle == NULL) ? -1 : a_Vehicle->GetUniqueID()); - WriteBool(false); // TODO: "Should use leash?" -> no - Flush(); -} - - - - - -void cProtocol161::SendChat(const AString & a_Message) -{ - super::SendChat(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str())); -} - - - - -void cProtocol161::SendGameMode(eGameMode a_GameMode) -{ - super::SendGameMode(a_GameMode); - SendPlayerMaxSpeed(); -} - - - - - -void cProtocol161::SendHealth(void) -{ - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_UPDATE_HEALTH); - WriteFloat((float)m_Client->GetPlayer()->GetHealth()); - WriteShort(m_Client->GetPlayer()->GetFoodLevel()); - WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel()); - Flush(); -} - - - - - -void cProtocol161::SendPlayerMaxSpeed(void) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENTITY_PROPERTIES); - WriteInt(m_Client->GetPlayer()->GetUniqueID()); - WriteInt(1); - WriteString("generic.movementSpeed"); - WriteDouble(m_Client->GetPlayer()->GetMaxSpeed()); - Flush(); -} - - - - - -void cProtocol161::SendRespawn(void) -{ - // Besides sending the respawn, we need to also send the player max speed, otherwise the client reverts to super-fast - super::SendRespawn(); - SendPlayerMaxSpeed(); -} - - - - - -void cProtocol161::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) -{ - if (a_WindowType < 0) - { - // Do not send for inventory windows - return; - } - cCSLock Lock(m_CSPacket); - WriteByte (PACKET_WINDOW_OPEN); - WriteByte (a_WindowID); - WriteByte (a_WindowType); - WriteString(a_WindowTitle); - WriteByte (a_NumSlots); - WriteByte (1); // Use title - if (a_WindowType == 11) // horse / donkey - { - WriteInt(0); // Unknown value sent only when window type is 11 (horse / donkey) - } - Flush(); -} - - - - - -int cProtocol161::ParseEntityAction(void) -{ - HANDLE_PACKET_READ(ReadBEInt, int, EntityID); - HANDLE_PACKET_READ(ReadChar, char, ActionID); - HANDLE_PACKET_READ(ReadBEInt, int, UnknownHorseVal); - m_Client->HandleEntityAction(EntityID, ActionID); - return PARSE_OK; -} - - - - - -int cProtocol161::ParsePlayerAbilities(void) -{ - HANDLE_PACKET_READ(ReadByte, Byte, Flags); - HANDLE_PACKET_READ(ReadBEFloat, float, FlyingSpeed); - HANDLE_PACKET_READ(ReadBEFloat, float, WalkingSpeed); - // TODO: m_Client->HandlePlayerAbilities(...); - return PARSE_OK; -} - - - - - -int cProtocol161::ParseSteerVehicle(void) -{ - HANDLE_PACKET_READ(ReadBEFloat, float, Sideways); - HANDLE_PACKET_READ(ReadBEFloat, float, Forward); - HANDLE_PACKET_READ(ReadBool, bool, Jump); - HANDLE_PACKET_READ(ReadBool, bool, Unmount); - // TODO: m_Client->HandleSteerVehicle(...); - if (Unmount) - { - m_Client->HandleUnmount(); - } - return PARSE_OK; -} - - - - - -int cProtocol161::ParsePacket(unsigned char a_PacketType) -{ - switch (a_PacketType) - { - case PACKET_STEER_VEHICLE: return ParseSteerVehicle(); - default: return super::ParsePacket(a_PacketType); - } -} - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cProtocol162: - -cProtocol162::cProtocol162(cClientHandle * a_Client) : - super(a_Client) -{ -} - - - - - -void cProtocol162::SendPlayerMaxSpeed(void) -{ - cCSLock Lock(m_CSPacket); - WriteByte(PACKET_ENTITY_PROPERTIES); - WriteInt(m_Client->GetPlayer()->GetUniqueID()); - WriteInt(1); - WriteString("generic.movementSpeed"); - WriteDouble(m_Client->GetPlayer()->GetMaxSpeed()); - WriteShort(0); - Flush(); -} - - - - + +// Protocol16x.cpp + +/* +Implements the 1.6.x protocol classes: + - cProtocol161 + - release 1.6.1 protocol (#73) + - cProtocol162 + - release 1.6.2 protocol (#74) +(others may be added later in the future for the 1.6 release series) +*/ + +#include "Globals.h" +#include "Protocol16x.h" +#include "../ClientHandle.h" +#include "../Entity.h" +#include "../Player.h" + + + + + +#define HANDLE_PACKET_READ(Proc, Type, Var) \ + Type Var; \ + { \ + if (!m_ReceivedData.Proc(Var)) \ + { \ + m_ReceivedData.CheckValid(); \ + return PARSE_INCOMPLETE; \ + } \ + m_ReceivedData.CheckValid(); \ + } + + + + + +enum +{ + PACKET_CHAT = 0x03, + PACKET_UPDATE_HEALTH = 0x08, + PACKET_STEER_VEHICLE = 0x1b, + PACKET_ATTACH_ENTITY = 0x27, + PACKET_ENTITY_PROPERTIES = 0x2c, + PACKET_WINDOW_OPEN = 0x64, + PACKET_PLAYER_ABILITIES = 0xca, +} ; + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cProtocol161: + +cProtocol161::cProtocol161(cClientHandle * a_Client) : + super(a_Client) +{ +} + + + + + +void cProtocol161::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ATTACH_ENTITY); + WriteInt(a_Entity.GetUniqueID()); + WriteInt((a_Vehicle == NULL) ? -1 : a_Vehicle->GetUniqueID()); + WriteBool(false); // TODO: "Should use leash?" -> no + Flush(); +} + + + + + +void cProtocol161::SendChat(const AString & a_Message) +{ + super::SendChat(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str())); +} + + + + +void cProtocol161::SendGameMode(eGameMode a_GameMode) +{ + super::SendGameMode(a_GameMode); + SendPlayerMaxSpeed(); +} + + + + + +void cProtocol161::SendHealth(void) +{ + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_UPDATE_HEALTH); + WriteFloat((float)m_Client->GetPlayer()->GetHealth()); + WriteShort(m_Client->GetPlayer()->GetFoodLevel()); + WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel()); + Flush(); +} + + + + + +void cProtocol161::SendPlayerMaxSpeed(void) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENTITY_PROPERTIES); + WriteInt(m_Client->GetPlayer()->GetUniqueID()); + WriteInt(1); + WriteString("generic.movementSpeed"); + WriteDouble(m_Client->GetPlayer()->GetMaxSpeed()); + Flush(); +} + + + + + +void cProtocol161::SendRespawn(void) +{ + // Besides sending the respawn, we need to also send the player max speed, otherwise the client reverts to super-fast + super::SendRespawn(); + SendPlayerMaxSpeed(); +} + + + + + +void cProtocol161::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) +{ + if (a_WindowType < 0) + { + // Do not send for inventory windows + return; + } + cCSLock Lock(m_CSPacket); + WriteByte (PACKET_WINDOW_OPEN); + WriteByte (a_WindowID); + WriteByte (a_WindowType); + WriteString(a_WindowTitle); + WriteByte (a_NumSlots); + WriteByte (1); // Use title + if (a_WindowType == 11) // horse / donkey + { + WriteInt(0); // Unknown value sent only when window type is 11 (horse / donkey) + } + Flush(); +} + + + + + +int cProtocol161::ParseEntityAction(void) +{ + HANDLE_PACKET_READ(ReadBEInt, int, EntityID); + HANDLE_PACKET_READ(ReadChar, char, ActionID); + HANDLE_PACKET_READ(ReadBEInt, int, UnknownHorseVal); + m_Client->HandleEntityAction(EntityID, ActionID); + return PARSE_OK; +} + + + + + +int cProtocol161::ParsePlayerAbilities(void) +{ + HANDLE_PACKET_READ(ReadByte, Byte, Flags); + HANDLE_PACKET_READ(ReadBEFloat, float, FlyingSpeed); + HANDLE_PACKET_READ(ReadBEFloat, float, WalkingSpeed); + // TODO: m_Client->HandlePlayerAbilities(...); + return PARSE_OK; +} + + + + + +int cProtocol161::ParseSteerVehicle(void) +{ + HANDLE_PACKET_READ(ReadBEFloat, float, Sideways); + HANDLE_PACKET_READ(ReadBEFloat, float, Forward); + HANDLE_PACKET_READ(ReadBool, bool, Jump); + HANDLE_PACKET_READ(ReadBool, bool, Unmount); + // TODO: m_Client->HandleSteerVehicle(...); + if (Unmount) + { + m_Client->HandleUnmount(); + } + return PARSE_OK; +} + + + + + +int cProtocol161::ParsePacket(unsigned char a_PacketType) +{ + switch (a_PacketType) + { + case PACKET_STEER_VEHICLE: return ParseSteerVehicle(); + default: return super::ParsePacket(a_PacketType); + } +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cProtocol162: + +cProtocol162::cProtocol162(cClientHandle * a_Client) : + super(a_Client) +{ +} + + + + + +void cProtocol162::SendPlayerMaxSpeed(void) +{ + cCSLock Lock(m_CSPacket); + WriteByte(PACKET_ENTITY_PROPERTIES); + WriteInt(m_Client->GetPlayer()->GetUniqueID()); + WriteInt(1); + WriteString("generic.movementSpeed"); + WriteDouble(m_Client->GetPlayer()->GetMaxSpeed()); + WriteShort(0); + Flush(); +} + + + + diff --git a/source/Protocol/Protocol16x.h b/source/Protocol/Protocol16x.h index e012585d1..4dba5eab6 100644 --- a/source/Protocol/Protocol16x.h +++ b/source/Protocol/Protocol16x.h @@ -1,73 +1,73 @@ - -// Protocol16x.h - -/* -Declares the 1.6.x protocol classes: - - cProtocol161 - - release 1.6.1 protocol (#73) - - cProtocol162 - - release 1.6.2 protocol (#74) -(others may be added later in the future for the 1.6 release series) -*/ - - - - - -#pragma once - -#include "Protocol15x.h" - - - - - -class cProtocol161 : - public cProtocol150 -{ - typedef cProtocol150 super; - -public: - cProtocol161(cClientHandle * a_Client); - -protected: - - // cProtocol150 overrides: - virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) override; - virtual void SendChat (const AString & a_Message) override; - virtual void SendGameMode (eGameMode a_GameMode) override; - virtual void SendHealth (void) override; - virtual void SendPlayerMaxSpeed(void) override; - virtual void SendRespawn (void) override; - virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; - - virtual int ParseEntityAction (void) override; - virtual int ParsePlayerAbilities(void) override; - - // New packets: - virtual int ParseSteerVehicle(void); - - // Enable new packets' handling - virtual int ParsePacket(unsigned char a_PacketType) override; -} ; - - - - - -class cProtocol162 : - public cProtocol161 -{ - typedef cProtocol161 super; - -public: - cProtocol162(cClientHandle * a_Client); - -protected: - // cProtocol161 overrides: - virtual void SendPlayerMaxSpeed(void) override; -} ; - - - - + +// Protocol16x.h + +/* +Declares the 1.6.x protocol classes: + - cProtocol161 + - release 1.6.1 protocol (#73) + - cProtocol162 + - release 1.6.2 protocol (#74) +(others may be added later in the future for the 1.6 release series) +*/ + + + + + +#pragma once + +#include "Protocol15x.h" + + + + + +class cProtocol161 : + public cProtocol150 +{ + typedef cProtocol150 super; + +public: + cProtocol161(cClientHandle * a_Client); + +protected: + + // cProtocol150 overrides: + virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) override; + virtual void SendChat (const AString & a_Message) override; + virtual void SendGameMode (eGameMode a_GameMode) override; + virtual void SendHealth (void) override; + virtual void SendPlayerMaxSpeed(void) override; + virtual void SendRespawn (void) override; + virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; + + virtual int ParseEntityAction (void) override; + virtual int ParsePlayerAbilities(void) override; + + // New packets: + virtual int ParseSteerVehicle(void); + + // Enable new packets' handling + virtual int ParsePacket(unsigned char a_PacketType) override; +} ; + + + + + +class cProtocol162 : + public cProtocol161 +{ + typedef cProtocol161 super; + +public: + cProtocol162(cClientHandle * a_Client); + +protected: + // cProtocol161 overrides: + virtual void SendPlayerMaxSpeed(void) override; +} ; + + + + diff --git a/source/Protocol/ProtocolRecognizer.cpp b/source/Protocol/ProtocolRecognizer.cpp index ec10eeb12..de4ccc03e 100644 --- a/source/Protocol/ProtocolRecognizer.cpp +++ b/source/Protocol/ProtocolRecognizer.cpp @@ -1,771 +1,771 @@ - -// ProtocolRecognizer.cpp - -// Implements the cProtocolRecognizer class representing the meta-protocol that recognizes possibly multiple -// protocol versions and redirects everything to them - -#include "Globals.h" - -#include "ProtocolRecognizer.h" -#include "Protocol125.h" -#include "Protocol132.h" -#include "Protocol14x.h" -#include "Protocol15x.h" -#include "Protocol16x.h" -#include "../ClientHandle.h" -#include "../Root.h" -#include "../World.h" -#include "../ChatColor.h" - - - - - -cProtocolRecognizer::cProtocolRecognizer(cClientHandle * a_Client) : - super(a_Client), - m_Protocol(NULL), - m_Buffer(512) -{ -} - - - - - -cProtocolRecognizer::~cProtocolRecognizer() -{ - delete m_Protocol; -} - - - - - -AString cProtocolRecognizer::GetVersionTextFromInt(int a_ProtocolVersion) -{ - switch (a_ProtocolVersion) - { - case PROTO_VERSION_1_2_5: return "1.2.5"; - case PROTO_VERSION_1_3_2: return "1.3.2"; - case PROTO_VERSION_1_4_2: return "1.4.2"; - case PROTO_VERSION_1_4_4: return "1.4.4"; - case PROTO_VERSION_1_4_6: return "1.4.6"; - case PROTO_VERSION_1_5_0: return "1.5"; - case PROTO_VERSION_1_5_2: return "1.5.2"; - case PROTO_VERSION_1_6_1: return "1.6.1"; - case PROTO_VERSION_1_6_2: return "1.6.2"; - } - ASSERT(!"Unknown protocol version"); - return Printf("Unknown protocol (%d)", a_ProtocolVersion); -} - - - - - -void cProtocolRecognizer::DataReceived(const char * a_Data, int a_Size) -{ - if (m_Protocol == NULL) - { - if (!m_Buffer.Write(a_Data, a_Size)) - { - m_Client->Kick("Unsupported protocol version"); - return; - } - - if (!TryRecognizeProtocol()) - { - return; - } - - // The protocol has just been recognized, dump the whole m_Buffer contents into it for parsing: - AString Dump; - m_Buffer.ResetRead(); - m_Buffer.ReadAll(Dump); - m_Protocol->DataReceived(Dump.data(), Dump.size()); - } - else - { - m_Protocol->DataReceived(a_Data, a_Size); - } -} - - - - - -void cProtocolRecognizer::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendAttachEntity(a_Entity, a_Vehicle); -} - - - - - -void cProtocolRecognizer::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendBlockAction(a_BlockX, a_BlockY, a_BlockZ, a_Byte1, a_Byte2, a_BlockType); -} - - - - - -void cProtocolRecognizer::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY, int a_BlockZ, char stage) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendBlockBreakAnim(a_entityID, a_BlockX, a_BlockY, a_BlockZ, stage); -} - - - - - -void cProtocolRecognizer::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendBlockChange(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta); -} - - - - - -void cProtocolRecognizer::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendBlockChanges(a_ChunkX, a_ChunkZ, a_Changes); -} - - - - - -void cProtocolRecognizer::SendChat(const AString & a_Message) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendChat(a_Message); -} - - - - - -void cProtocolRecognizer::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendChunkData(a_ChunkX, a_ChunkZ, a_Serializer); -} - - - - - -void cProtocolRecognizer::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendCollectPickup(a_Pickup, a_Player); -} - - - - - -void cProtocolRecognizer::SendDestroyEntity(const cEntity & a_Entity) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendDestroyEntity(a_Entity); -} - - - - - -void cProtocolRecognizer::SendDisconnect(const AString & a_Reason) -{ - if (m_Protocol != NULL) - { - m_Protocol->SendDisconnect(a_Reason); - } - else - { - // This is used when the client sends a server-ping, respond with the default packet: - WriteByte ((char)0xff); // PACKET_DISCONNECT - WriteString(a_Reason); - } -} - - - - -void cProtocolRecognizer::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityEquipment(a_Entity, a_SlotNum, a_Item); -} - - - - - -void cProtocolRecognizer::SendEntityHeadLook(const cEntity & a_Entity) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityHeadLook(a_Entity); -} - - - - - -void cProtocolRecognizer::SendEntityLook(const cEntity & a_Entity) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityLook(a_Entity); -} - - - - - -void cProtocolRecognizer::SendEntityMetadata(const cEntity & a_Entity) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityMetadata(a_Entity); -} - - - - - -void cProtocolRecognizer::SendEntityProperties(const cEntity & a_Entity) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityProperties(a_Entity); -} - - - - - -void cProtocolRecognizer::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityRelMove(a_Entity, a_RelX, a_RelY, a_RelZ); -} - - - - - -void cProtocolRecognizer::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityRelMoveLook(a_Entity, a_RelX, a_RelY, a_RelZ); -} - - - - - -void cProtocolRecognizer::SendEntityStatus(const cEntity & a_Entity, char a_Status) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityStatus(a_Entity, a_Status); -} - - - - - -void cProtocolRecognizer::SendEntityVelocity(const cEntity & a_Entity) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendEntityVelocity(a_Entity); -} - - - - - -void cProtocolRecognizer::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendExplosion(a_BlockX,a_BlockY,a_BlockZ,a_Radius, a_BlocksAffected, a_PlayerMotion); -} - - - - - -void cProtocolRecognizer::SendGameMode(eGameMode a_GameMode) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendGameMode(a_GameMode); -} - - - - - -void cProtocolRecognizer::SendHealth(void) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendHealth(); -} - - - - - -void cProtocolRecognizer::SendInventoryProgress(char a_WindowID, short a_Progressbar, short a_Value) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendInventoryProgress(a_WindowID, a_Progressbar, a_Value); -} - - - - - -void cProtocolRecognizer::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendInventorySlot(a_WindowID, a_SlotNum, a_Item); -} - - - - - -void cProtocolRecognizer::SendKeepAlive(int a_PingID) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendKeepAlive(a_PingID); -} - - - - - -void cProtocolRecognizer::SendLogin(const cPlayer & a_Player, const cWorld & a_World) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendLogin(a_Player, a_World); -} - - - - - -void cProtocolRecognizer::SendPickupSpawn(const cPickup & a_Pickup) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendPickupSpawn(a_Pickup); -} - - - - - -void cProtocolRecognizer::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendPlayerAnimation(a_Player, a_Animation); -} - - - - - -void cProtocolRecognizer::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendPlayerListItem(a_Player, a_IsOnline); -} - - - - - -void cProtocolRecognizer::SendPlayerMaxSpeed(void) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendPlayerMaxSpeed(); -} - - - - - -void cProtocolRecognizer::SendPlayerMoveLook(void) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendPlayerMoveLook(); -} - - - - - -void cProtocolRecognizer::SendPlayerPosition(void) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendPlayerPosition(); -} - - - - - -void cProtocolRecognizer::SendPlayerSpawn(const cPlayer & a_Player) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendPlayerSpawn(a_Player); -} - - - - - -void cProtocolRecognizer::SendRespawn(void) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendRespawn(); -} - - - - - -void cProtocolRecognizer::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendSoundEffect(a_SoundName, a_SrcX, a_SrcY, a_SrcZ, a_Volume, a_Pitch); -} - - - - - -void cProtocolRecognizer::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendSoundParticleEffect(a_EffectID, a_SrcX, a_SrcY, a_SrcZ, a_Data); -} - - - - - -void cProtocolRecognizer::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendSpawnFallingBlock(a_FallingBlock); -} - - - - - -void cProtocolRecognizer::SendSpawnMob(const cMonster & a_Mob) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendSpawnMob(a_Mob); -} - - - - - -void cProtocolRecognizer::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendSpawnObject(a_Entity, a_ObjectType, a_ObjectData, a_Yaw, a_Pitch); -} - - - - - -void cProtocolRecognizer::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendSpawnVehicle(a_Vehicle, a_VehicleType); -} - - - - - -void cProtocolRecognizer::SendTeleportEntity(const cEntity & a_Entity) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendTeleportEntity(a_Entity); -} - - - - - -void cProtocolRecognizer::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendThunderbolt(a_BlockX, a_BlockY, a_BlockZ); -} - - - - - -void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay); -} - - - - - -void cProtocolRecognizer::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendUnloadChunk(a_ChunkX, a_ChunkZ); -} - - - - - -void cProtocolRecognizer::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_Protocol != NULL); - m_Protocol->SendUpdateSign(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4); -} - - - - - -void cProtocolRecognizer::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendUseBed(a_Entity, a_BlockX, a_BlockY, a_BlockZ); -} - - - - - -void cProtocolRecognizer::SendWeather(eWeather a_Weather) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendWeather(a_Weather); -} - - - - - -void cProtocolRecognizer::SendWholeInventory(const cInventory & a_Inventory) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendWholeInventory(a_Inventory); -} - - - - - -void cProtocolRecognizer::SendWholeInventory(const cWindow & a_Window) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendWholeInventory(a_Window); -} - - - - - -void cProtocolRecognizer::SendWindowClose(const cWindow & a_Window) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendWindowClose(a_Window); -} - - - - - -void cProtocolRecognizer::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) -{ - ASSERT(m_Protocol != NULL); - m_Protocol->SendWindowOpen(a_WindowID, a_WindowType, a_WindowTitle, a_NumSlots); -} - - - - - -AString cProtocolRecognizer::GetAuthServerID(void) -{ - ASSERT(m_Protocol != NULL); - return m_Protocol->GetAuthServerID(); -} - - - - - -void cProtocolRecognizer::SendData(const char * a_Data, int a_Size) -{ - // This is used only when handling the server ping - m_Client->SendData(a_Data, a_Size); -} - - - - - -bool cProtocolRecognizer::TryRecognizeProtocol(void) -{ - // NOTE: If a new protocol is added or an old one is removed, adjust MCS_CLIENT_VERSIONS and - // MCS_PROTOCOL_VERSIONS macros in the header file, as well as PROTO_VERSION_LATEST macro - - // The first packet should be a Handshake, 0x02: - unsigned char PacketType; - if (!m_Buffer.ReadByte(PacketType)) - { - return false; - } - switch (PacketType) - { - case 0x02: break; // Handshake, continue recognizing - case 0xfe: HandleServerPing(); return false; - default: return false; - } - - // 1.3.2 starts with 0x02 0x39 - // 1.2.5 starts with 0x02 and name is expected to less than 0x3900 long :) - char ch; - if (!m_Buffer.ReadChar(ch)) - { - return false; - } - switch (ch) - { - case PROTO_VERSION_1_3_2: - { - m_Protocol = new cProtocol132(m_Client); - return true; - } - case PROTO_VERSION_1_4_2: - case PROTO_VERSION_1_4_4: - { - m_Protocol = new cProtocol142(m_Client); - return true; - } - case PROTO_VERSION_1_4_6: - { - m_Protocol = new cProtocol146(m_Client); - return true; - } - case PROTO_VERSION_1_5_0: - case PROTO_VERSION_1_5_2: - { - m_Protocol = new cProtocol150(m_Client); - return true; - } - case PROTO_VERSION_1_6_1: - { - m_Protocol = new cProtocol161(m_Client); - return true; - } - case PROTO_VERSION_1_6_2: - { - m_Protocol = new cProtocol162(m_Client); - return true; - } - } - m_Protocol = new cProtocol125(m_Client); - return true; -} - - - - - -void cProtocolRecognizer::HandleServerPing(void) -{ - AString Reply; - switch (cRoot::Get()->m_PrimaryServerVersion) - { - case PROTO_VERSION_1_2_5: - case PROTO_VERSION_1_3_2: - { - // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3099#Server_List_Ping_.280xFE.29 - Printf(Reply, "%s%s%i%s%i", - cRoot::Get()->GetDefaultWorld()->GetDescription().c_str(), - cChatColor::Delimiter.c_str(), - cRoot::Get()->GetDefaultWorld()->GetNumPlayers(), - cChatColor::Delimiter.c_str(), - cRoot::Get()->GetDefaultWorld()->GetMaxPlayers() - ); - break; - } - - case PROTO_VERSION_1_4_2: - case PROTO_VERSION_1_4_4: - case PROTO_VERSION_1_4_6: - case PROTO_VERSION_1_5_0: - case PROTO_VERSION_1_5_2: - case PROTO_VERSION_1_6_1: - case PROTO_VERSION_1_6_2: - { - // The server list ping now has 1 more byte of "magic". Mojang just loves to complicate stuff. - // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3101#Server_List_Ping_.280xFE.29 - // _X 2012_10_31: I know that this needn't eat the byte, since it still may be in transit. - // Who cares? We're disconnecting anyway. - if (m_Buffer.CanReadBytes(1)) - { - byte val; - m_Buffer.ReadByte(val); - ASSERT(val == 0x01); - } - - // http://wiki.vg/wiki/index.php?title=Server_List_Ping&oldid=3100 - AString NumPlayers; - Printf(NumPlayers, "%d", cRoot::Get()->GetDefaultWorld()->GetNumPlayers()); - AString MaxPlayers; - Printf(MaxPlayers, "%d", cRoot::Get()->GetDefaultWorld()->GetMaxPlayers()); - - AString ProtocolVersionNum; - Printf(ProtocolVersionNum, "%d", cRoot::Get()->m_PrimaryServerVersion); - AString ProtocolVersionTxt(GetVersionTextFromInt(cRoot::Get()->m_PrimaryServerVersion)); - - // Cannot use Printf() because of in-string NUL bytes. - Reply = cChatColor::Delimiter; - Reply.append("1"); - Reply.push_back(0); - Reply.append(ProtocolVersionNum); - Reply.push_back(0); - Reply.append(ProtocolVersionTxt); - Reply.push_back(0); - Reply.append(cRoot::Get()->GetDefaultWorld()->GetDescription()); - Reply.push_back(0); - Reply.append(NumPlayers); - Reply.push_back(0); - Reply.append(MaxPlayers); - break; - } - } // switch (m_PrimaryServerVersion) - m_Client->Kick(Reply); -} - - - - + +// ProtocolRecognizer.cpp + +// Implements the cProtocolRecognizer class representing the meta-protocol that recognizes possibly multiple +// protocol versions and redirects everything to them + +#include "Globals.h" + +#include "ProtocolRecognizer.h" +#include "Protocol125.h" +#include "Protocol132.h" +#include "Protocol14x.h" +#include "Protocol15x.h" +#include "Protocol16x.h" +#include "../ClientHandle.h" +#include "../Root.h" +#include "../World.h" +#include "../ChatColor.h" + + + + + +cProtocolRecognizer::cProtocolRecognizer(cClientHandle * a_Client) : + super(a_Client), + m_Protocol(NULL), + m_Buffer(512) +{ +} + + + + + +cProtocolRecognizer::~cProtocolRecognizer() +{ + delete m_Protocol; +} + + + + + +AString cProtocolRecognizer::GetVersionTextFromInt(int a_ProtocolVersion) +{ + switch (a_ProtocolVersion) + { + case PROTO_VERSION_1_2_5: return "1.2.5"; + case PROTO_VERSION_1_3_2: return "1.3.2"; + case PROTO_VERSION_1_4_2: return "1.4.2"; + case PROTO_VERSION_1_4_4: return "1.4.4"; + case PROTO_VERSION_1_4_6: return "1.4.6"; + case PROTO_VERSION_1_5_0: return "1.5"; + case PROTO_VERSION_1_5_2: return "1.5.2"; + case PROTO_VERSION_1_6_1: return "1.6.1"; + case PROTO_VERSION_1_6_2: return "1.6.2"; + } + ASSERT(!"Unknown protocol version"); + return Printf("Unknown protocol (%d)", a_ProtocolVersion); +} + + + + + +void cProtocolRecognizer::DataReceived(const char * a_Data, int a_Size) +{ + if (m_Protocol == NULL) + { + if (!m_Buffer.Write(a_Data, a_Size)) + { + m_Client->Kick("Unsupported protocol version"); + return; + } + + if (!TryRecognizeProtocol()) + { + return; + } + + // The protocol has just been recognized, dump the whole m_Buffer contents into it for parsing: + AString Dump; + m_Buffer.ResetRead(); + m_Buffer.ReadAll(Dump); + m_Protocol->DataReceived(Dump.data(), Dump.size()); + } + else + { + m_Protocol->DataReceived(a_Data, a_Size); + } +} + + + + + +void cProtocolRecognizer::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendAttachEntity(a_Entity, a_Vehicle); +} + + + + + +void cProtocolRecognizer::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendBlockAction(a_BlockX, a_BlockY, a_BlockZ, a_Byte1, a_Byte2, a_BlockType); +} + + + + + +void cProtocolRecognizer::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY, int a_BlockZ, char stage) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendBlockBreakAnim(a_entityID, a_BlockX, a_BlockY, a_BlockZ, stage); +} + + + + + +void cProtocolRecognizer::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendBlockChange(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta); +} + + + + + +void cProtocolRecognizer::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendBlockChanges(a_ChunkX, a_ChunkZ, a_Changes); +} + + + + + +void cProtocolRecognizer::SendChat(const AString & a_Message) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendChat(a_Message); +} + + + + + +void cProtocolRecognizer::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendChunkData(a_ChunkX, a_ChunkZ, a_Serializer); +} + + + + + +void cProtocolRecognizer::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendCollectPickup(a_Pickup, a_Player); +} + + + + + +void cProtocolRecognizer::SendDestroyEntity(const cEntity & a_Entity) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendDestroyEntity(a_Entity); +} + + + + + +void cProtocolRecognizer::SendDisconnect(const AString & a_Reason) +{ + if (m_Protocol != NULL) + { + m_Protocol->SendDisconnect(a_Reason); + } + else + { + // This is used when the client sends a server-ping, respond with the default packet: + WriteByte ((char)0xff); // PACKET_DISCONNECT + WriteString(a_Reason); + } +} + + + + +void cProtocolRecognizer::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityEquipment(a_Entity, a_SlotNum, a_Item); +} + + + + + +void cProtocolRecognizer::SendEntityHeadLook(const cEntity & a_Entity) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityHeadLook(a_Entity); +} + + + + + +void cProtocolRecognizer::SendEntityLook(const cEntity & a_Entity) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityLook(a_Entity); +} + + + + + +void cProtocolRecognizer::SendEntityMetadata(const cEntity & a_Entity) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityMetadata(a_Entity); +} + + + + + +void cProtocolRecognizer::SendEntityProperties(const cEntity & a_Entity) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityProperties(a_Entity); +} + + + + + +void cProtocolRecognizer::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityRelMove(a_Entity, a_RelX, a_RelY, a_RelZ); +} + + + + + +void cProtocolRecognizer::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityRelMoveLook(a_Entity, a_RelX, a_RelY, a_RelZ); +} + + + + + +void cProtocolRecognizer::SendEntityStatus(const cEntity & a_Entity, char a_Status) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityStatus(a_Entity, a_Status); +} + + + + + +void cProtocolRecognizer::SendEntityVelocity(const cEntity & a_Entity) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendEntityVelocity(a_Entity); +} + + + + + +void cProtocolRecognizer::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendExplosion(a_BlockX,a_BlockY,a_BlockZ,a_Radius, a_BlocksAffected, a_PlayerMotion); +} + + + + + +void cProtocolRecognizer::SendGameMode(eGameMode a_GameMode) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendGameMode(a_GameMode); +} + + + + + +void cProtocolRecognizer::SendHealth(void) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendHealth(); +} + + + + + +void cProtocolRecognizer::SendInventoryProgress(char a_WindowID, short a_Progressbar, short a_Value) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendInventoryProgress(a_WindowID, a_Progressbar, a_Value); +} + + + + + +void cProtocolRecognizer::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendInventorySlot(a_WindowID, a_SlotNum, a_Item); +} + + + + + +void cProtocolRecognizer::SendKeepAlive(int a_PingID) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendKeepAlive(a_PingID); +} + + + + + +void cProtocolRecognizer::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendLogin(a_Player, a_World); +} + + + + + +void cProtocolRecognizer::SendPickupSpawn(const cPickup & a_Pickup) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPickupSpawn(a_Pickup); +} + + + + + +void cProtocolRecognizer::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerAnimation(a_Player, a_Animation); +} + + + + + +void cProtocolRecognizer::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerListItem(a_Player, a_IsOnline); +} + + + + + +void cProtocolRecognizer::SendPlayerMaxSpeed(void) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerMaxSpeed(); +} + + + + + +void cProtocolRecognizer::SendPlayerMoveLook(void) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerMoveLook(); +} + + + + + +void cProtocolRecognizer::SendPlayerPosition(void) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerPosition(); +} + + + + + +void cProtocolRecognizer::SendPlayerSpawn(const cPlayer & a_Player) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerSpawn(a_Player); +} + + + + + +void cProtocolRecognizer::SendRespawn(void) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendRespawn(); +} + + + + + +void cProtocolRecognizer::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendSoundEffect(a_SoundName, a_SrcX, a_SrcY, a_SrcZ, a_Volume, a_Pitch); +} + + + + + +void cProtocolRecognizer::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendSoundParticleEffect(a_EffectID, a_SrcX, a_SrcY, a_SrcZ, a_Data); +} + + + + + +void cProtocolRecognizer::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendSpawnFallingBlock(a_FallingBlock); +} + + + + + +void cProtocolRecognizer::SendSpawnMob(const cMonster & a_Mob) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendSpawnMob(a_Mob); +} + + + + + +void cProtocolRecognizer::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendSpawnObject(a_Entity, a_ObjectType, a_ObjectData, a_Yaw, a_Pitch); +} + + + + + +void cProtocolRecognizer::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendSpawnVehicle(a_Vehicle, a_VehicleType); +} + + + + + +void cProtocolRecognizer::SendTeleportEntity(const cEntity & a_Entity) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendTeleportEntity(a_Entity); +} + + + + + +void cProtocolRecognizer::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendThunderbolt(a_BlockX, a_BlockY, a_BlockZ); +} + + + + + +void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay); +} + + + + + +void cProtocolRecognizer::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendUnloadChunk(a_ChunkX, a_ChunkZ); +} + + + + + +void cProtocolRecognizer::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_Protocol != NULL); + m_Protocol->SendUpdateSign(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4); +} + + + + + +void cProtocolRecognizer::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendUseBed(a_Entity, a_BlockX, a_BlockY, a_BlockZ); +} + + + + + +void cProtocolRecognizer::SendWeather(eWeather a_Weather) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendWeather(a_Weather); +} + + + + + +void cProtocolRecognizer::SendWholeInventory(const cInventory & a_Inventory) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendWholeInventory(a_Inventory); +} + + + + + +void cProtocolRecognizer::SendWholeInventory(const cWindow & a_Window) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendWholeInventory(a_Window); +} + + + + + +void cProtocolRecognizer::SendWindowClose(const cWindow & a_Window) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendWindowClose(a_Window); +} + + + + + +void cProtocolRecognizer::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendWindowOpen(a_WindowID, a_WindowType, a_WindowTitle, a_NumSlots); +} + + + + + +AString cProtocolRecognizer::GetAuthServerID(void) +{ + ASSERT(m_Protocol != NULL); + return m_Protocol->GetAuthServerID(); +} + + + + + +void cProtocolRecognizer::SendData(const char * a_Data, int a_Size) +{ + // This is used only when handling the server ping + m_Client->SendData(a_Data, a_Size); +} + + + + + +bool cProtocolRecognizer::TryRecognizeProtocol(void) +{ + // NOTE: If a new protocol is added or an old one is removed, adjust MCS_CLIENT_VERSIONS and + // MCS_PROTOCOL_VERSIONS macros in the header file, as well as PROTO_VERSION_LATEST macro + + // The first packet should be a Handshake, 0x02: + unsigned char PacketType; + if (!m_Buffer.ReadByte(PacketType)) + { + return false; + } + switch (PacketType) + { + case 0x02: break; // Handshake, continue recognizing + case 0xfe: HandleServerPing(); return false; + default: return false; + } + + // 1.3.2 starts with 0x02 0x39 + // 1.2.5 starts with 0x02 and name is expected to less than 0x3900 long :) + char ch; + if (!m_Buffer.ReadChar(ch)) + { + return false; + } + switch (ch) + { + case PROTO_VERSION_1_3_2: + { + m_Protocol = new cProtocol132(m_Client); + return true; + } + case PROTO_VERSION_1_4_2: + case PROTO_VERSION_1_4_4: + { + m_Protocol = new cProtocol142(m_Client); + return true; + } + case PROTO_VERSION_1_4_6: + { + m_Protocol = new cProtocol146(m_Client); + return true; + } + case PROTO_VERSION_1_5_0: + case PROTO_VERSION_1_5_2: + { + m_Protocol = new cProtocol150(m_Client); + return true; + } + case PROTO_VERSION_1_6_1: + { + m_Protocol = new cProtocol161(m_Client); + return true; + } + case PROTO_VERSION_1_6_2: + { + m_Protocol = new cProtocol162(m_Client); + return true; + } + } + m_Protocol = new cProtocol125(m_Client); + return true; +} + + + + + +void cProtocolRecognizer::HandleServerPing(void) +{ + AString Reply; + switch (cRoot::Get()->m_PrimaryServerVersion) + { + case PROTO_VERSION_1_2_5: + case PROTO_VERSION_1_3_2: + { + // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3099#Server_List_Ping_.280xFE.29 + Printf(Reply, "%s%s%i%s%i", + cRoot::Get()->GetDefaultWorld()->GetDescription().c_str(), + cChatColor::Delimiter.c_str(), + cRoot::Get()->GetDefaultWorld()->GetNumPlayers(), + cChatColor::Delimiter.c_str(), + cRoot::Get()->GetDefaultWorld()->GetMaxPlayers() + ); + break; + } + + case PROTO_VERSION_1_4_2: + case PROTO_VERSION_1_4_4: + case PROTO_VERSION_1_4_6: + case PROTO_VERSION_1_5_0: + case PROTO_VERSION_1_5_2: + case PROTO_VERSION_1_6_1: + case PROTO_VERSION_1_6_2: + { + // The server list ping now has 1 more byte of "magic". Mojang just loves to complicate stuff. + // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3101#Server_List_Ping_.280xFE.29 + // _X 2012_10_31: I know that this needn't eat the byte, since it still may be in transit. + // Who cares? We're disconnecting anyway. + if (m_Buffer.CanReadBytes(1)) + { + byte val; + m_Buffer.ReadByte(val); + ASSERT(val == 0x01); + } + + // http://wiki.vg/wiki/index.php?title=Server_List_Ping&oldid=3100 + AString NumPlayers; + Printf(NumPlayers, "%d", cRoot::Get()->GetDefaultWorld()->GetNumPlayers()); + AString MaxPlayers; + Printf(MaxPlayers, "%d", cRoot::Get()->GetDefaultWorld()->GetMaxPlayers()); + + AString ProtocolVersionNum; + Printf(ProtocolVersionNum, "%d", cRoot::Get()->m_PrimaryServerVersion); + AString ProtocolVersionTxt(GetVersionTextFromInt(cRoot::Get()->m_PrimaryServerVersion)); + + // Cannot use Printf() because of in-string NUL bytes. + Reply = cChatColor::Delimiter; + Reply.append("1"); + Reply.push_back(0); + Reply.append(ProtocolVersionNum); + Reply.push_back(0); + Reply.append(ProtocolVersionTxt); + Reply.push_back(0); + Reply.append(cRoot::Get()->GetDefaultWorld()->GetDescription()); + Reply.push_back(0); + Reply.append(NumPlayers); + Reply.push_back(0); + Reply.append(MaxPlayers); + break; + } + } // switch (m_PrimaryServerVersion) + m_Client->Kick(Reply); +} + + + + diff --git a/source/Protocol/ProtocolRecognizer.h b/source/Protocol/ProtocolRecognizer.h index 96d03082d..2179f3b05 100644 --- a/source/Protocol/ProtocolRecognizer.h +++ b/source/Protocol/ProtocolRecognizer.h @@ -1,130 +1,130 @@ - -// ProtocolRecognizer.h - -// Interfaces to the cProtocolRecognizer class representing the meta-protocol that recognizes possibly multiple -// protocol versions and redirects everything to them - - - - - -#pragma once - -#include "Protocol.h" -#include "../ByteBuffer.h" - - - - - -// Adjust these if a new protocol is added or an old one is removed: -#define MCS_CLIENT_VERSIONS "1.2.4, 1.2.5, 1.3.1, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.1, 1.6.2" -#define MCS_PROTOCOL_VERSIONS "29, 39, 47, 49, 51, 60, 61, 73, 74" - - - - - -class cProtocolRecognizer : - public cProtocol -{ - typedef cProtocol super; - -public: - enum - { - PROTO_VERSION_1_2_5 = 29, - PROTO_VERSION_1_3_2 = 39, - PROTO_VERSION_1_4_2 = 47, - PROTO_VERSION_1_4_4 = 49, - PROTO_VERSION_1_4_6 = 51, - PROTO_VERSION_1_5_0 = 60, - PROTO_VERSION_1_5_2 = 61, - PROTO_VERSION_1_6_1 = 73, - PROTO_VERSION_1_6_2 = 74, - - PROTO_VERSION_NEXT, - PROTO_VERSION_LATEST = PROTO_VERSION_NEXT - 1, ///< Automatically assigned to the last protocol version, this serves as the default for PrimaryServerVersion - } ; - - cProtocolRecognizer(cClientHandle * a_Client); - virtual ~cProtocolRecognizer(); - - /// Translates protocol version number into protocol version text: 49 -> "1.4.4" - static AString GetVersionTextFromInt(int a_ProtocolVersion); - - /// 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 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 SendInventoryProgress (char a_WindowID, short a_Progressbar, short a_Value) 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 SendPlayerAnimation (const cPlayer & a_Player, 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 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; - 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) 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 cInventory & a_Inventory) override; - virtual void SendWholeInventory (const cWindow & a_Window) override; - virtual void SendWindowClose (const cWindow & a_Window) override; - virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; - - virtual AString GetAuthServerID(void) override; - - virtual void SendData(const char * a_Data, int a_Size) override; - -protected: - cProtocol * m_Protocol; //< The recognized protocol - cByteBuffer m_Buffer; //< Buffer for the incoming data until we recognize the protocol - - /// Tries to recognize protocol based on m_Buffer contents; returns true if recognized - bool TryRecognizeProtocol(void); - - /// Called when the recognizer gets a server ping packet; responds with server stats and destroys the client - void HandleServerPing(void); -} ; - - - - - + +// ProtocolRecognizer.h + +// Interfaces to the cProtocolRecognizer class representing the meta-protocol that recognizes possibly multiple +// protocol versions and redirects everything to them + + + + + +#pragma once + +#include "Protocol.h" +#include "../ByteBuffer.h" + + + + + +// Adjust these if a new protocol is added or an old one is removed: +#define MCS_CLIENT_VERSIONS "1.2.4, 1.2.5, 1.3.1, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.1, 1.6.2" +#define MCS_PROTOCOL_VERSIONS "29, 39, 47, 49, 51, 60, 61, 73, 74" + + + + + +class cProtocolRecognizer : + public cProtocol +{ + typedef cProtocol super; + +public: + enum + { + PROTO_VERSION_1_2_5 = 29, + PROTO_VERSION_1_3_2 = 39, + PROTO_VERSION_1_4_2 = 47, + PROTO_VERSION_1_4_4 = 49, + PROTO_VERSION_1_4_6 = 51, + PROTO_VERSION_1_5_0 = 60, + PROTO_VERSION_1_5_2 = 61, + PROTO_VERSION_1_6_1 = 73, + PROTO_VERSION_1_6_2 = 74, + + PROTO_VERSION_NEXT, + PROTO_VERSION_LATEST = PROTO_VERSION_NEXT - 1, ///< Automatically assigned to the last protocol version, this serves as the default for PrimaryServerVersion + } ; + + cProtocolRecognizer(cClientHandle * a_Client); + virtual ~cProtocolRecognizer(); + + /// Translates protocol version number into protocol version text: 49 -> "1.4.4" + static AString GetVersionTextFromInt(int a_ProtocolVersion); + + /// 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 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 SendInventoryProgress (char a_WindowID, short a_Progressbar, short a_Value) 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 SendPlayerAnimation (const cPlayer & a_Player, 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 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; + 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) 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 cInventory & a_Inventory) override; + virtual void SendWholeInventory (const cWindow & a_Window) override; + virtual void SendWindowClose (const cWindow & a_Window) override; + virtual void SendWindowOpen (char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots) override; + + virtual AString GetAuthServerID(void) override; + + virtual void SendData(const char * a_Data, int a_Size) override; + +protected: + cProtocol * m_Protocol; //< The recognized protocol + cByteBuffer m_Buffer; //< Buffer for the incoming data until we recognize the protocol + + /// Tries to recognize protocol based on m_Buffer contents; returns true if recognized + bool TryRecognizeProtocol(void); + + /// Called when the recognizer gets a server ping packet; responds with server stats and destroys the client + void HandleServerPing(void); +} ; + + + + + -- cgit v1.2.3