diff options
Diffstat (limited to 'source/Protocol')
| -rw-r--r-- | source/Protocol/Protocol.h | 173 | ||||
| -rw-r--r-- | source/Protocol/Protocol125.cpp | 1391 | ||||
| -rw-r--r-- | source/Protocol/Protocol125.h | 140 | ||||
| -rw-r--r-- | source/Protocol/Protocol132.cpp | 769 | ||||
| -rw-r--r-- | source/Protocol/Protocol132.h | 99 | ||||
| -rw-r--r-- | source/Protocol/ProtocolRecognizer.cpp | 542 | ||||
| -rw-r--r-- | source/Protocol/ProtocolRecognizer.h | 99 |
7 files changed, 3213 insertions, 0 deletions
diff --git a/source/Protocol/Protocol.h b/source/Protocol/Protocol.h new file mode 100644 index 000000000..af915a2bb --- /dev/null +++ b/source/Protocol/Protocol.h @@ -0,0 +1,173 @@ +
+// 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 cProtocol
+{
+public:
+ cProtocol(cClientHandle * a_Client) :
+ m_Client(a_Client)
+ {
+ }
+
+ /// Called when client sends some data
+ virtual void DataReceived(const char * a_Data, int a_Size) = 0;
+
+ // Sending stuff to clients:
+ virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) = 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 SendEntHeadLook (const cEntity & a_Entity) = 0;
+ virtual void SendEntLook (const cEntity & a_Entity) = 0;
+ virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) = 0;
+ virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) = 0;
+ virtual void SendEntRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 0;
+ virtual void SendEntRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) = 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 SendMetadata (const cEntity & a_Entity) = 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 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 SendSpawnMob (const cMonster & a_Mob) = 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_WorldTime) = 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 SendWeather (eWeather a_Weather) = 0;
+ virtual void SendWholeInventory (const cInventory & a_Inventory) = 0;
+ virtual void SendWholeInventory (const cWindow & a_Window) = 0;
+ virtual void SendWindowClose (char a_WindowID) = 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(char 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 WriteInt(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 new file mode 100644 index 000000000..dc2e39c16 --- /dev/null +++ b/source/Protocol/Protocol125.cpp @@ -0,0 +1,1391 @@ +
+// 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 "../cClientHandle.h"
+#include "../ChunkDataSerializer.h"
+#include "../cEntity.h"
+#include "../cMonster.h"
+#include "../cPickup.h"
+#include "../cPlayer.h"
+#include "../cChatColor.h"
+#include "../UI/Window.h"
+#include "../cRoot.h"
+#include "../cServer.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_ADD_TO_INV = 0x11, // TODO: Sure this is not Use Bed??
+ PACKET_ANIMATION = 0x12,
+ PACKET_PACKET_ENTITY_ACTION = 0x13,
+ PACKET_PLAYER_SPAWN = 0x14,
+ PACKET_PICKUP_SPAWN = 0x15,
+ PACKET_COLLECT_PICKUP = 0x16,
+ PACKET_ADD_VEHICLE = 0x17,
+ PACKET_SPAWN_MOB = 0x18,
+ 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_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 = 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_PING = 0xfe,
+ PACKET_DISCONNECT = 0xff
+} ;
+
+
+
+
+
+#define HANDLE_PACKET_READ(Proc, Type, Var) \
+ Type Var; \
+ { \
+ if (!m_ReceivedData.Proc(Var)) \
+ { \
+ return PARSE_INCOMPLETE; \
+ } \
+ }
+
+
+
+
+typedef unsigned char Byte;
+
+
+
+
+
+cProtocol125::cProtocol125(cClientHandle * a_Client) :
+ super(a_Client),
+ m_ReceivedData(64 KiB)
+{
+}
+
+
+
+
+
+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::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());
+ WriteInt (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);
+ WriteInt(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::SendEntHeadLook(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.GetRotation() / 360.f) * 256));
+ Flush();
+}
+
+
+
+
+
+void cProtocol125::SendEntLook(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::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::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::SendEntRelMove(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::SendEntRelMoveLook(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::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(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);
+}
+
+
+
+
+
+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 (0); // TODO: Dimension (Nether / Overworld / End)
+ WriteByte (2); // TODO: Difficulty
+ WriteByte (0); // Unused
+ WriteByte (60); // Client list width or something
+ Flush();
+}
+
+
+
+
+
+void cProtocol125::SendMetadata(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::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::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 (Player->GetRotation());
+ WriteFloat (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 (0); // TODO: Dimension; 0 = Overworld
+ 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)
+{
+ cCSLock Lock(m_CSPacket);
+ //TODO: Not needed in this protocol?
+}
+
+
+
+
+
+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::SendTeleportEntity(const cEntity & a_Entity)
+{
+ cCSLock Lock(m_CSPacket);
+ WriteByte (PACKET_ENT_TELEPORT);
+ WriteInt (a_Entity.GetUniqueID());
+ WriteVectorI((Vector3i)(a_Entity.GetPosition() * 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_WorldTime)
+{
+ cCSLock Lock(m_CSPacket);
+ WriteByte (PACKET_UPDATE_TIME);
+ WriteInt64(a_WorldTime);
+ 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::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)
+{
+ cCSLock Lock(m_CSPacket);
+ SendWindowSlots(0, a_Inventory.c_NumSlots, a_Inventory.GetSlots());
+}
+
+
+
+
+
+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(char a_WindowID)
+{
+ cCSLock Lock(m_CSPacket);
+ WriteByte(PACKET_WINDOW_CLOSE);
+ WriteByte(a_WindowID);
+ 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_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, Direction);
+ m_Client->HandleBlockDig(PosX, PosY, PosZ, Direction, 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, Direction);
+
+ cItem HeldItem;
+ int res = ParseItem(HeldItem);
+ if (res < 0)
+ {
+ return res;
+ }
+
+ m_Client->HandleBlockPlace(PosX, PosY, PosZ, Direction, 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);
+ // TODO: m_Client->HandleEntityAction(...);
+ 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::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;
+ }
+ m_Client->HandleWindowClick(WindowID, SlotNum, IsRightClick, IsShiftPressed, 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 new file mode 100644 index 000000000..62c91c2e1 --- /dev/null +++ b/source/Protocol/Protocol125.h @@ -0,0 +1,140 @@ +
+// 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:
+ virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) 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 SendEntHeadLook (const cEntity & a_Entity) override;
+ virtual void SendEntLook (const cEntity & a_Entity) override;
+ virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override;
+ virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) override;
+ virtual void SendEntRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
+ virtual void SendEntRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) 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 SendMetadata (const cEntity & a_Entity) 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 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 SendSpawnMob (const cMonster & a_Mob) 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_WorldTime) 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 SendWeather (eWeather a_Weather) override;
+ virtual void SendWholeInventory (const cInventory & a_Inventory) override;
+ virtual void SendWholeInventory (const cWindow & a_Window) override;
+ virtual void SendWindowClose (char a_WindowID) 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 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 new file mode 100644 index 000000000..33f404113 --- /dev/null +++ b/source/Protocol/Protocol132.cpp @@ -0,0 +1,769 @@ +
+// Protocol132.cpp
+
+// Implements the cProtocol132 class representing the release 1.3.2 protocol (#39)
+
+#include "Globals.h"
+#include "Protocol132.h"
+#include "../cRoot.h"
+#include "../cServer.h"
+#include "../cClientHandle.h"
+#include "../../CryptoPP/randpool.h"
+#include "../cItem.h"
+#include "../ChunkDataSerializer.h"
+#include "../cPlayer.h"
+#include "../cMonster.h"
+#include "../UI/Window.h"
+
+
+
+
+
+#define HANDLE_PACKET_READ(Proc, Type, Var) \
+ Type Var; \
+ { \
+ if (!m_ReceivedData.Proc(Var)) \
+ { \
+ return PARSE_INCOMPLETE; \
+ } \
+ }
+
+
+
+
+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_SPAWN_MOB = 0x18,
+ PACKET_DESTROY_ENTITIES = 0x1d,
+ PACKET_CHUNK_DATA = 0x33,
+ PACKET_BLOCK_CHANGE = 0x35,
+ PACKET_BLOCK_ACTION = 0x36,
+ PACKET_SOUND_EFFECT = 0x3e
+} ;
+
+
+
+
+
+// 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::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::SendDestroyEntity(const cEntity & a_Entity)
+{
+ 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::SendKeepAlive(int a_PingID)
+{
+ cCSLock Lock(m_CSPacket);
+ WriteByte(PACKET_KEEP_ALIVE);
+ WriteInt (a_PingID);
+ 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 (0); // TODO: Dimension (Nether / Overworld / End)
+ 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::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); // yaw
+ WriteByte (0); // pitch
+ WriteByte (0); // head yaw
+ WriteShort (0); // Velocity Z
+ WriteShort (0); // Velocity X
+ WriteShort (0); // Velocity Y
+ 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
+ super::SendWholeInventory(a_Window);
+ const cItem * Slots = m_Client->GetPlayer()->GetInventory().GetSlots();
+ int BaseOffset = a_Window.GetNumSlots() - cInventory::c_NumSlots + cInventory::c_MainOffset; // the number of non-inventory slots the window has; inventory follows
+ char WindowID = a_Window.GetWindowID();
+ for (int i = 0; i < cInventory::c_NumSlots - cInventory::c_MainOffset; i++)
+ {
+ SendInventorySlot(WindowID, BaseOffset + i, Slots[i + cInventory::c_MainOffset]);
+ } // for i - Slots[]
+ // 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 0xcc: return ParseLocaleViewDistance();
+ case 0xcd: return ParseClientStatuses();
+ case 0xfc: 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, Direction);
+
+ 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->HandleBlockPlace(PosX, PosY, PosZ, Direction, 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);
+ m_Client->HandleLogin(39, m_Username);
+ 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);
+
+ // TODO: Implement enchantments
+ WriteShort(-1);
+}
+
+
+
+
+
+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, EnchantNumBytes);
+ if (EnchantNumBytes <= 0)
+ {
+ return PARSE_OK;
+ }
+
+ // TODO: Enchantment not implemented yet!
+ if (!m_ReceivedData.SkipRead(EnchantNumBytes))
+ {
+ return PARSE_INCOMPLETE;
+ }
+
+ 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<PKCS1v15>::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 new file mode 100644 index 000000000..dde34ca30 --- /dev/null +++ b/source/Protocol/Protocol132.h @@ -0,0 +1,99 @@ +
+// 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);
+
+ // DEBUG:
+ virtual ~cProtocol132();
+
+ /// Called when client sends some data:
+ virtual void DataReceived(const char * a_Data, int a_Size) override;
+
+ // Sending commands:
+ virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) 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 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 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;
+
+ // DEBUG:
+ virtual void SendKeepAlive (int a_PingID) 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<CryptoPP::AES>::Decryption m_Decryptor;
+ CryptoPP::CFB_Mode<CryptoPP::AES>::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;
+
+ 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/ProtocolRecognizer.cpp b/source/Protocol/ProtocolRecognizer.cpp new file mode 100644 index 000000000..18bf3b0b3 --- /dev/null +++ b/source/Protocol/ProtocolRecognizer.cpp @@ -0,0 +1,542 @@ +
+// 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 "../cClientHandle.h"
+#include "../cRoot.h"
+#include "../cWorld.h"
+#include "../cChatColor.h"
+
+
+
+
+
+cProtocolRecognizer::cProtocolRecognizer(cClientHandle * a_Client) :
+ super(a_Client),
+ m_Protocol(NULL),
+ m_Buffer(512)
+{
+}
+
+
+
+
+
+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::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::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::SendEntHeadLook(const cEntity & a_Entity)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendEntHeadLook(a_Entity);
+}
+
+
+
+
+
+void cProtocolRecognizer::SendEntLook(const cEntity & a_Entity)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendEntLook(a_Entity);
+}
+
+
+
+
+
+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::SendEntityStatus(const cEntity & a_Entity, char a_Status)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendEntityStatus(a_Entity, a_Status);
+}
+
+
+
+
+
+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::SendMetadata(const cEntity & a_Entity)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendMetadata(a_Entity);
+}
+
+
+
+
+
+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::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::SendEntRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendEntRelMove(a_Entity, a_RelX, a_RelY, a_RelZ);
+}
+
+
+
+
+
+void cProtocolRecognizer::SendEntRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendEntRelMoveLook(a_Entity, a_RelX, a_RelY, a_RelZ);
+}
+
+
+
+
+
+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::SendSpawnMob(const cMonster & a_Mob)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendSpawnMob(a_Mob);
+}
+
+
+
+
+
+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_WorldTime)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendTimeUpdate(a_WorldTime);
+}
+
+
+
+
+
+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::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(char a_WindowID)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendWindowClose(a_WindowID);
+}
+
+
+
+
+
+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
+
+ // 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 <name-length-short>
+ // 1.2.5 starts with 0x02 <name-length-short> and name is expected to less than 0x3900 long :)
+ char ch;
+ if (!m_Buffer.ReadChar(ch))
+ {
+ return false;
+ }
+ if (ch == 39)
+ {
+ m_Protocol = new cProtocol132(m_Client);
+ return true;
+ }
+ m_Protocol = new cProtocol125(m_Client);
+ return true;
+}
+
+
+
+
+
+void cProtocolRecognizer::HandleServerPing(void)
+{
+ AString Reply;
+ 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()
+ );
+ m_Client->Kick(Reply.c_str());
+}
+
+
+
+
diff --git a/source/Protocol/ProtocolRecognizer.h b/source/Protocol/ProtocolRecognizer.h new file mode 100644 index 000000000..3eff8d2ab --- /dev/null +++ b/source/Protocol/ProtocolRecognizer.h @@ -0,0 +1,99 @@ +
+// 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"
+#define MCS_PROTOCOL_VERSIONS "29, 39"
+
+
+
+
+
+class cProtocolRecognizer :
+ public cProtocol
+{
+ typedef cProtocol super;
+
+public:
+ cProtocolRecognizer(cClientHandle * a_Client);
+
+ /// Called when client sends some data:
+ virtual void DataReceived(const char * a_Data, int a_Size) override;
+
+ /// Sending stuff to clients:
+ virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) 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 SendEntHeadLook (const cEntity & a_Entity) override;
+ virtual void SendEntLook (const cEntity & a_Entity) override;
+ virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override;
+ virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) override;
+ virtual void SendEntRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
+ virtual void SendEntRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) 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 SendMetadata (const cEntity & a_Entity) 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 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 SendSpawnMob (const cMonster & a_Mob) 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_WorldTime) 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 SendWeather (eWeather a_Weather) override;
+ virtual void SendWholeInventory (const cInventory & a_Inventory) override;
+ virtual void SendWholeInventory (const cWindow & a_Window) override;
+ virtual void SendWindowClose (char a_WindowID) 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);
+} ;
+
+
+
+
+
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