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-rw-r--r--source/Protocol/Protocol.h22
-rw-r--r--source/Protocol/Protocol125.h5
-rw-r--r--source/Protocol/Protocol17x.cpp1445
-rw-r--r--source/Protocol/Protocol17x.h252
-rw-r--r--source/Protocol/ProtocolRecognizer.cpp130
-rw-r--r--source/Protocol/ProtocolRecognizer.h23
6 files changed, 1866 insertions, 11 deletions
diff --git a/source/Protocol/Protocol.h b/source/Protocol/Protocol.h
index 5071f5961..6bea4edbb 100644
--- a/source/Protocol/Protocol.h
+++ b/source/Protocol/Protocol.h
@@ -77,6 +77,7 @@ public:
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 SendPlayerAbilities (void) = 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+)
@@ -186,6 +187,27 @@ protected:
WriteInt(a_Vector.y);
WriteInt(a_Vector.z);
}
+
+ void WriteVarInt(UInt32 a_Value)
+ {
+ // A 32-bit integer can be encoded by at most 5 bytes:
+ unsigned char b[5];
+ int idx = 0;
+ do
+ {
+ b[idx] = (a_Value & 0x7f) | ((a_Value > 0x7f) ? 0x80 : 0x00);
+ a_Value = a_Value >> 7;
+ idx++;
+ } while (a_Value > 0);
+
+ SendData((const char *)b, idx);
+ }
+
+ void WriteVarUTF8String(const AString & a_String)
+ {
+ WriteVarInt(a_String.size());
+ SendData(a_String.data(), a_String.size());
+ }
} ;
diff --git a/source/Protocol/Protocol125.h b/source/Protocol/Protocol125.h
index ae198780c..1da50a1d4 100644
--- a/source/Protocol/Protocol125.h
+++ b/source/Protocol/Protocol125.h
@@ -54,6 +54,7 @@ public:
virtual void SendKeepAlive (int a_PingID) override;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
+ virtual void SendPlayerAbilities (void) override {} // This protocol doesn't support such message
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;
@@ -92,9 +93,9 @@ protected:
PARSE_INCOMPLETE = -3,
} ;
- cByteBuffer m_ReceivedData; //< Buffer for the received data
+ cByteBuffer m_ReceivedData; ///< Buffer for the received data
- AString m_Username; //< Stored in ParseHandshake(), compared to Login username
+ AString m_Username; ///< Stored in ParseHandshake(), compared to Login username
virtual void SendData(const char * a_Data, int a_Size) override;
diff --git a/source/Protocol/Protocol17x.cpp b/source/Protocol/Protocol17x.cpp
new file mode 100644
index 000000000..38260d046
--- /dev/null
+++ b/source/Protocol/Protocol17x.cpp
@@ -0,0 +1,1445 @@
+
+// Protocol17x.cpp
+
+/*
+Implements the 1.7.x protocol classes:
+ - cProtocol172
+ - release 1.7.2 protocol (#4)
+(others may be added later in the future for the 1.7 release series)
+*/
+
+#include "Globals.h"
+#include "Protocol17x.h"
+#include "ChunkDataSerializer.h"
+#include "../ClientHandle.h"
+#include "../Root.h"
+#include "../Server.h"
+#include "../World.h"
+#include "../WorldStorage/FastNBT.h"
+#include "../StringCompression.h"
+#include "../Entities/FallingBlock.h"
+#include "../Entities/Pickup.h"
+#include "../Entities/Player.h"
+
+
+
+
+
+#define HANDLE_PACKET_READ(Proc, Type, Var) \
+ Type Var; \
+ m_ReceivedData.Proc(Var);
+
+
+
+
+
+cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
+ super(a_Client),
+ m_ServerAddress(a_ServerAddress),
+ m_ServerPort(a_ServerPort),
+ m_State(a_State),
+ m_ReceivedData(32 KiB),
+ m_OutPacketBuffer(64 KiB),
+ m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
+ m_IsEncrypted(false)
+{
+}
+
+
+
+
+
+void cProtocol172::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);
+ AddReceivedData((const char *)Decrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ AddReceivedData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+void cProtocol172::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle)
+{
+ cPacketizer Pkt(*this, 0x1b); // Attach Entity packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteInt((a_Vehicle != NULL) ? a_Vehicle->GetUniqueID() : 0);
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol172::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
+{
+ cPacketizer Pkt(*this, 0x24); // Block Action packet
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteShort(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+ Pkt.WriteByte(a_Byte1);
+ Pkt.WriteByte(a_Byte2);
+ Pkt.WriteVarInt(a_BlockType);
+}
+
+
+
+
+
+void cProtocol172::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
+{
+ cPacketizer Pkt(*this, 0x24); // Block Break Animation packet
+ Pkt.WriteInt(a_EntityID);
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteInt(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+ Pkt.WriteChar(a_Stage);
+}
+
+
+
+
+
+void cProtocol172::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
+{
+ cPacketizer Pkt(*this, 0x23); // Block Change packet
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteByte(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+ Pkt.WriteVarInt(a_BlockType);
+ Pkt.WriteByte(a_BlockMeta);
+}
+
+
+
+
+
+void cProtocol172::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
+{
+ cPacketizer Pkt(*this, 0x22); // Multi Block Change packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteShort((short)a_Changes.size());
+ Pkt.WriteInt(a_Changes.size() * 4);
+ 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);
+ Pkt.WriteInt((Coords << 16) | Blocks);
+ } // for itr - a_Changes[]
+}
+
+
+
+
+
+void cProtocol172::SendChat(const AString & a_Message)
+{
+ cPacketizer Pkt(*this, 0x02); // Chat Message packet
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str()));
+}
+
+
+
+
+
+void cProtocol172::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
+{
+ // Serialize first, before creating the Packetizer (the packetizer locks a CS)
+ // This contains the flags and bitmasks, too
+ const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_3_2);
+
+ cPacketizer Pkt(*this, 0x21); // Chunk Data packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteBuf(ChunkData.data(), ChunkData.size());
+}
+
+
+
+
+
+void cProtocol172::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player)
+{
+ cPacketizer Pkt(*this, 0x0d); // Collect Item packet
+ Pkt.WriteInt(a_Pickup.GetUniqueID());
+ Pkt.WriteInt(a_Player.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol172::SendDestroyEntity(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x13); // Destroy Entities packet
+ Pkt.WriteByte(1);
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol172::SendDisconnect(const AString & a_Reason)
+{
+ cPacketizer Pkt(*this, 0x40);
+ Pkt.WriteString(a_Reason);
+}
+
+
+
+
+
+void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ cPacketizer Pkt(*this, 0x36); // Sign Editor Open packet
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteInt(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+}
+
+
+
+
+
+void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
+{
+ cPacketizer Pkt(*this, 0x04); // Entity Equipment packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
+}
+
+
+
+
+
+void cProtocol172::SendEntityHeadLook(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x19); // Entity Head Look packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetHeadYaw());
+}
+
+
+
+
+
+void cProtocol172::SendEntityLook(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x16); // Entity Look packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+}
+
+
+
+
+
+void cProtocol172::SendEntityMetadata(const cEntity & a_Entity)
+{
+ /*
+ // TODO
+ cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteEntityMetadata(a_Entity);
+ */
+}
+
+
+
+
+
+void cProtocol172::SendEntityProperties(const cEntity & a_Entity)
+{
+ /*
+ cPacketizer Pkt(*this, 0x20); // Entity Properties packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ // TODO
+ */
+}
+
+
+
+
+
+void cProtocol172::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ cPacketizer Pkt(*this, 0x15); // Entity Relative Move packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_RelX);
+ Pkt.WriteByte(a_RelY);
+ Pkt.WriteByte(a_RelZ);
+}
+
+
+
+
+
+void cProtocol172::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ cPacketizer Pkt(*this, 0x17); // Entity Look And Relative Move packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_RelX);
+ Pkt.WriteByte(a_RelY);
+ Pkt.WriteByte(a_RelZ);
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+}
+
+
+
+
+
+void cProtocol172::SendEntityStatus(const cEntity & a_Entity, char a_Status)
+{
+ cPacketizer Pkt(*this, 0x1a); // Entity Status packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteChar(a_Status);
+}
+
+
+
+
+
+void cProtocol172::SendEntityVelocity(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x12); // Entity Velocity packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ // 400 = 8000 / 20 ... Conversion from our speed in m/s to 8000 m/tick
+ Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol172::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion)
+{
+ cPacketizer Pkt(*this, 0x27); // Explosion packet
+ Pkt.WriteFloat((float)a_BlockX);
+ Pkt.WriteFloat((float)a_BlockY);
+ Pkt.WriteFloat((float)a_BlockZ);
+ Pkt.WriteFloat((float)a_Radius);
+ Pkt.WriteInt(a_BlocksAffected.size());
+ for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(), end = a_BlocksAffected.end(); itr != end; ++itr)
+ {
+ Pkt.WriteChar((char)itr->x);
+ Pkt.WriteChar((char)itr->y);
+ Pkt.WriteChar((char)itr->z);
+ } // for itr - a_BlockAffected[]
+ Pkt.WriteFloat((float)a_PlayerMotion.x);
+ Pkt.WriteFloat((float)a_PlayerMotion.y);
+ Pkt.WriteFloat((float)a_PlayerMotion.z);
+}
+
+
+
+
+
+void cProtocol172::SendGameMode(eGameMode a_GameMode)
+{
+ cPacketizer Pkt(*this, 0x2b); // Change Game State packet
+ Pkt.WriteByte(3); // Reason: Change game mode
+ Pkt.WriteFloat((float)a_GameMode);
+}
+
+
+
+
+
+void cProtocol172::SendHealth(void)
+{
+ cPacketizer Pkt(*this, 0x06); // Update Health packet
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetHealth());
+ Pkt.WriteShort(m_Client->GetPlayer()->GetFoodLevel());
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel());
+}
+
+
+
+
+
+void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
+{
+ cPacketizer Pkt(*this, 0x2f); // Set Slot packet
+ Pkt.WriteChar(a_WindowID);
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
+}
+
+
+
+
+
+void cProtocol172::SendKeepAlive(int a_PingID)
+{
+ cPacketizer Pkt(*this, 0x00); // Keep Alive packet
+ Pkt.WriteInt(a_PingID);
+}
+
+
+
+
+
+void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+{
+ // Send the Join Game packet:
+ {
+ cPacketizer Pkt(*this, 0x01); // Join Game packet
+ Pkt.WriteInt(a_Player.GetUniqueID());
+ Pkt.WriteByte((Byte)a_Player.GetEffectiveGameMode());
+ Pkt.WriteChar((char)a_World.GetDimension());
+ Pkt.WriteByte(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteByte(cRoot::Get()->GetServer()->GetMaxPlayers());
+ Pkt.WriteString("default"); // Level type - wtf?
+ }
+
+ // Send the spawn position:
+ {
+ cPacketizer Pkt(*this, 0x05); // Spawn Position packet
+ Pkt.WriteInt((int)a_World.GetSpawnX());
+ Pkt.WriteInt((int)a_World.GetSpawnY());
+ Pkt.WriteInt((int)a_World.GetSpawnZ());
+ }
+
+ // Send player abilities:
+ SendPlayerAbilities();
+}
+
+
+
+
+
+void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
+{
+ {
+ cPacketizer Pkt(*this, 0x0e); // Spawn Object packet
+ Pkt.WriteInt(a_Pickup.GetUniqueID());
+ Pkt.WriteByte(2); // Type = Pickup
+ Pkt.WriteFPInt(a_Pickup.GetPosX());
+ Pkt.WriteFPInt(a_Pickup.GetPosY());
+ Pkt.WriteFPInt(a_Pickup.GetPosZ());
+ Pkt.WriteByteAngle(a_Pickup.GetYaw());
+ Pkt.WriteByteAngle(a_Pickup.GetPitch());
+ Pkt.WriteInt(0); // No object data
+ }
+ {
+ cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
+ Pkt.WriteInt(a_Pickup.GetUniqueID());
+ Pkt.WriteByte((0x05 << 5) | 10); // Slot type + index 10
+ Pkt.WriteItem(a_Pickup.GetItem());
+ Pkt.WriteByte(0x7f); // End of metadata
+ }
+}
+
+
+
+
+
+void cProtocol172::SendPlayerAbilities(void)
+{
+ cPacketizer Pkt(*this, 0x39); // Player Abilities packet
+ Byte Flags = 0;
+ if (m_Client->GetPlayer()->IsGameModeCreative())
+ {
+ Flags |= 0x01;
+ }
+ // TODO: Other flags (god mode, flying, can fly
+ Pkt.WriteByte(Flags);
+ // TODO: Pkt.WriteFloat(m_Client->GetPlayer()->GetMaxFlyingSpeed());
+ Pkt.WriteFloat(0.05f);
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetMaxSpeed());
+}
+
+
+
+
+
+void cProtocol172::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation)
+{
+ cPacketizer Pkt(*this, 0x0b); // Animation packet
+ Pkt.WriteInt(a_Player.GetUniqueID());
+ Pkt.WriteChar(a_Animation);
+}
+
+
+
+
+
+void cProtocol172::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline)
+{
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteString(a_Player.GetName());
+ Pkt.WriteBool(a_IsOnline);
+ Pkt.WriteShort(a_Player.GetClientHandle()->GetPing());
+}
+
+
+
+
+
+void cProtocol172::SendPlayerMaxSpeed(void)
+{
+ SendPlayerAbilities();
+}
+
+
+
+
+
+void cProtocol172::SendPlayerMoveLook(void)
+{
+ cPacketizer Pkt(*this, 0x08); // Player Position And Look packet
+ Pkt.WriteDouble(m_Client->GetPlayer()->GetPosX());
+ Pkt.WriteDouble(m_Client->GetPlayer()->GetPosY());
+ Pkt.WriteDouble(m_Client->GetPlayer()->GetPosZ());
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetYaw());
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetPitch());
+ Pkt.WriteBool(m_Client->GetPlayer()->IsOnGround());
+}
+
+
+
+
+
+void cProtocol172::SendPlayerPosition(void)
+{
+ // There is no dedicated packet for this, send the whole thing:
+ SendPlayerMoveLook();
+}
+
+
+
+
+
+void cProtocol172::SendPlayerSpawn(const cPlayer & a_Player)
+{
+ // Called to spawn another player for the client
+ cPacketizer Pkt(*this, 0x0c); // Spawn Player packet
+ Pkt.WriteInt(a_Player.GetUniqueID());
+ Pkt.WriteString(Printf("%d", a_Player.GetUniqueID())); // TODO: Proper UUID
+ Pkt.WriteString(a_Player.GetName());
+ Pkt.WriteFPInt(a_Player.GetPosX());
+ Pkt.WriteFPInt(a_Player.GetPosY());
+ Pkt.WriteFPInt(a_Player.GetPosZ());
+ Pkt.WriteByteAngle(a_Player.GetYaw());
+ Pkt.WriteByteAngle(a_Player.GetPitch());
+ short ItemType = a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType;
+ Pkt.WriteShort(ItemType);
+ Pkt.WriteByte((3 << 5) | 6); // Metadata: float + index 6
+ Pkt.WriteFloat((float)a_Player.GetHealth());
+ Pkt.WriteByte(0x7f); // Metadata: end
+}
+
+
+
+
+
+void cProtocol172::SendRespawn(void)
+{
+ cPacketizer Pkt(*this, 0x07); // Respawn packet
+ Pkt.WriteInt(m_Client->GetPlayer()->GetWorld()->GetDimension());
+ Pkt.WriteByte(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteByte((Byte)m_Client->GetPlayer()->GetEffectiveGameMode());
+ Pkt.WriteString("default");
+}
+
+
+
+
+
+void cProtocol172::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) // a_Src coords are Block * 8
+{
+ cPacketizer Pkt(*this, 0x29); // Sound Effect packet
+ Pkt.WriteString(a_SoundName);
+ Pkt.WriteInt(a_SrcX);
+ Pkt.WriteInt(a_SrcY);
+ Pkt.WriteInt(a_SrcZ);
+ Pkt.WriteFloat(a_Volume);
+ Pkt.WriteByte((Byte)(a_Pitch * 63));
+}
+
+
+
+
+
+void cProtocol172::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data)
+{
+ cPacketizer Pkt(*this, 0x28); // Effect packet
+ Pkt.WriteInt(a_EffectID);
+ Pkt.WriteInt(a_SrcX);
+ Pkt.WriteInt(a_SrcY);
+ Pkt.WriteInt(a_SrcZ);
+ Pkt.WriteInt(a_Data);
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol172::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock)
+{
+ cPacketizer Pkt(*this, 0x0e); // Spawn Object packet
+ Pkt.WriteInt(a_FallingBlock.GetUniqueID());
+ Pkt.WriteByte(70); // Falling block
+ Pkt.WriteFPInt(a_FallingBlock.GetPosX());
+ Pkt.WriteFPInt(a_FallingBlock.GetPosY());
+ Pkt.WriteFPInt(a_FallingBlock.GetPosZ());
+ Pkt.WriteByteAngle(a_FallingBlock.GetYaw());
+ Pkt.WriteByteAngle(a_FallingBlock.GetPitch());
+ Pkt.WriteInt(((int)a_FallingBlock.GetBlockType()) | (((int)a_FallingBlock.GetBlockMeta()) << 12));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol172::SendSpawnMob(const cMonster & a_Mob)
+{
+ cPacketizer Pkt(*this, 0x0f); // Spawn Mob packet
+ Pkt.WriteInt(a_Mob.GetUniqueID());
+ Pkt.WriteByte((Byte)a_Mob.GetMobType());
+ Pkt.WriteFPInt(a_Mob.GetPosX());
+ Pkt.WriteFPInt(a_Mob.GetPosY());
+ Pkt.WriteFPInt(a_Mob.GetPosZ());
+ Pkt.WriteByteAngle(a_Mob.GetPitch());
+ Pkt.WriteByteAngle(a_Mob.GetHeadYaw());
+ Pkt.WriteByteAngle(a_Mob.GetYaw());
+ Pkt.WriteShort((short)(a_Mob.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Mob.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Mob.GetSpeedZ() * 400));
+ Pkt.WriteEntityMetadata(a_Mob);
+ Pkt.WriteByte(0x7f); // Metadata terminator
+}
+
+
+
+
+
+void cProtocol172::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch)
+{
+ cPacketizer Pkt(*this, 0xe); // Spawn Object packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_ObjectType);
+ Pkt.WriteFPInt(a_Entity.GetPosX());
+ Pkt.WriteFPInt(a_Entity.GetPosY());
+ Pkt.WriteFPInt(a_Entity.GetPosZ());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteInt(a_ObjectData);
+ if (a_ObjectData != 0)
+ {
+ Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400));
+ }
+}
+
+
+
+
+
+void cProtocol172::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType)
+{
+ cPacketizer Pkt(*this, 0xe); // Spawn Object packet
+ Pkt.WriteInt(a_Vehicle.GetUniqueID());
+ Pkt.WriteByte(a_VehicleType);
+ Pkt.WriteFPInt(a_Vehicle.GetPosX());
+ Pkt.WriteFPInt(a_Vehicle.GetPosY());
+ Pkt.WriteFPInt(a_Vehicle.GetPosZ());
+ Pkt.WriteByteAngle(a_Vehicle.GetYaw());
+ Pkt.WriteByteAngle(a_Vehicle.GetPitch());
+ Pkt.WriteInt(a_VehicleSubType);
+ if (a_VehicleSubType != 0)
+ {
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedZ() * 400));
+ }
+}
+
+
+
+
+
+void cProtocol172::SendTabCompletionResults(const AStringVector & a_Results)
+{
+ AString Results;
+ Results.reserve(500); // Make a moderate reservation to avoid excessive reallocations
+ for (AStringVector::const_iterator itr = a_Results.begin(), end = a_Results.end(); itr != end; ++itr)
+ {
+ Results.append(*itr);
+ Results.push_back(0);
+ }
+
+ cPacketizer Pkt(*this, 0x3a); // Tab-Complete packet
+ Pkt.WriteVarInt(a_Results.size());
+ Pkt.WriteString(Results);
+}
+
+
+
+
+
+void cProtocol172::SendTeleportEntity(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x18);
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteFPInt(a_Entity.GetPosX());
+ Pkt.WriteFPInt(a_Entity.GetPosY());
+ Pkt.WriteFPInt(a_Entity.GetPosZ());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+}
+
+
+
+
+
+void cProtocol172::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ cPacketizer Pkt(*this, 0x2c); // Spawn Global Entity packet
+ Pkt.WriteVarInt(0); // EntityID = 0, always
+ Pkt.WriteByte(1); // Type = Thunderbolt
+ Pkt.WriteFPInt(a_BlockX);
+ Pkt.WriteFPInt(a_BlockY);
+ Pkt.WriteFPInt(a_BlockZ);
+}
+
+
+
+
+
+void cProtocol172::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay)
+{
+ cPacketizer Pkt(*this, 0x03);
+ Pkt.WriteInt64(a_WorldAge);
+ Pkt.WriteInt64(a_TimeOfDay);
+}
+
+
+
+
+
+void cProtocol172::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::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)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ )
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::SendWeather(eWeather a_Weather)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::SendWholeInventory(const cInventory & a_Inventory)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::SendWholeInventory(const cWindow & a_Window)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::SendWindowClose(const cWindow & a_Window)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::SendWindowOpen(char a_WindowID, char a_WindowType, const AString & a_WindowTitle, char a_NumSlots)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::AddReceivedData(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;
+ }
+
+ // Handle all complete packets:
+ while (true)
+ {
+ UInt32 PacketLen;
+ if (!m_ReceivedData.ReadVarInt(PacketLen))
+ {
+ // Not enough data
+ return;
+ }
+ if (!m_ReceivedData.CanReadBytes(PacketLen))
+ {
+ // The full packet hasn't been received yet
+ return;
+ }
+ UInt32 PacketType;
+ UInt32 Mark1 = m_ReceivedData.GetReadableSpace();
+ if (!m_ReceivedData.ReadVarInt(PacketType))
+ {
+ // Not enough data
+ return;
+ }
+
+ UInt32 NumBytesRead = Mark1 - m_ReceivedData.GetReadableSpace();
+ HandlePacket(PacketType, PacketLen - NumBytesRead);
+
+ if (Mark1 - m_ReceivedData.GetReadableSpace() > PacketLen)
+ {
+ // Read more than packet length, report as error
+ m_Client->PacketError(PacketType);
+ }
+
+ // Go to packet end in any case:
+ m_ReceivedData.ResetRead();
+ m_ReceivedData.ReadVarInt(PacketType);
+ m_ReceivedData.SkipRead(PacketLen);
+ m_ReceivedData.CommitRead();
+ } // while (true)
+}
+
+
+
+
+void cProtocol172::HandlePacket(UInt32 a_PacketType, UInt32 a_RemainingBytes)
+{
+ switch (m_State)
+ {
+ case 1:
+ {
+ // Status
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketStatusRequest(a_RemainingBytes); return;
+ case 0x01: HandlePacketStatusPing (a_RemainingBytes); return;
+ }
+ break;
+ }
+
+ case 2:
+ {
+ // Login
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketLoginStart(a_RemainingBytes); return;
+ case 0x01: HandlePacketLoginEncryptionResponse(a_RemainingBytes); return;
+ }
+ break;
+ }
+
+ case 3:
+ {
+ // Game
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketKeepAlive (a_RemainingBytes); return;
+ case 0x01: HandlePacketChatMessage (a_RemainingBytes); return;
+ case 0x02: HandlePacketUseEntity (a_RemainingBytes); return;
+ case 0x03: HandlePacketPlayer (a_RemainingBytes); return;
+ case 0x04: HandlePacketPlayerPos (a_RemainingBytes); return;
+ case 0x05: HandlePacketPlayerLook (a_RemainingBytes); return;
+ case 0x06: HandlePacketPlayerPosLook (a_RemainingBytes); return;
+ case 0x07: HandlePacketBlockDig (a_RemainingBytes); return;
+ case 0x08: HandlePacketBlockPlace (a_RemainingBytes); return;
+ case 0x09: HandlePacketSlotSelect (a_RemainingBytes); return;
+ case 0x0a: HandlePacketAnimation (a_RemainingBytes); return;
+ case 0x0b: HandlePacketEntityAction (a_RemainingBytes); return;
+ case 0x0c: HandlePacketSteerVehicle (a_RemainingBytes); return;
+ case 0x0d: HandlePacketWindowClose (a_RemainingBytes); return;
+ case 0x0e: HandlePacketWindowClick (a_RemainingBytes); return;
+ case 0x0f: // Confirm transaction - not used in MCS
+ case 0x10: HandlePacketCreativeInventoryAction(a_RemainingBytes); return;
+ case 0x12: HandlePacketUpdateSign (a_RemainingBytes); return;
+ case 0x13: HandlePacketPlayerAbilities (a_RemainingBytes); return;
+ case 0x14: HandlePacketTabComplete (a_RemainingBytes); return;
+ case 0x15: HandlePacketClientSettings (a_RemainingBytes); return;
+ case 0x16: HandlePacketClientStatus (a_RemainingBytes); return;
+ case 0x17: HandlePacketPluginMessage (a_RemainingBytes); return;
+ }
+ break;
+ }
+ } // switch (m_State)
+
+ // Unknown packet type, report to the client:
+ m_Client->PacketUnknown(a_PacketType);
+ m_ReceivedData.SkipRead(a_RemainingBytes);
+ m_ReceivedData.CommitRead();
+}
+
+
+
+
+
+void cProtocol172::HandlePacketStatusPing(UInt32 a_RemainingBytes)
+{
+ ASSERT(a_RemainingBytes == 8);
+ if (a_RemainingBytes != 8)
+ {
+ m_Client->PacketError(0x01);
+ m_ReceivedData.SkipRead(a_RemainingBytes);
+ m_ReceivedData.CommitRead();
+ return;
+ }
+ Int64 Timestamp;
+ m_ReceivedData.ReadBEInt64(Timestamp);
+ m_ReceivedData.CommitRead();
+
+ cPacketizer Pkt(*this, 0x01); // Ping packet
+ Pkt.WriteInt64(Timestamp);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketStatusRequest(UInt32 a_RemainingBytes)
+{
+ // No more bytes in this packet
+ ASSERT(a_RemainingBytes == 0);
+ m_ReceivedData.CommitRead();
+
+ // Send the response:
+ AString Response = "{\"version\":{\"name\":\"1.7.2\",\"protocol\":4},\"players\":{";
+ AppendPrintf(Response, "\"max\":%u,\"online\":%u,\"sample\":[]},",
+ cRoot::Get()->GetServer()->GetMaxPlayers(),
+ cRoot::Get()->GetServer()->GetNumPlayers()
+ );
+ AppendPrintf(Response, "\"description\":{\"text\":\"%s\"}",
+ cRoot::Get()->GetServer()->GetDescription().c_str()
+ );
+ Response.append("}");
+
+ cPacketizer Pkt(*this, 0x00); // Response packet
+ Pkt.WriteString(Response);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketLoginEncryptionResponse(UInt32 a_RemainingBytes)
+{
+ // TODO: Add protocol encryption
+}
+
+
+
+
+
+void cProtocol172::HandlePacketLoginStart(UInt32 a_RemainingBytes)
+{
+ AString Username;
+ m_ReceivedData.ReadVarUTF8String(Username);
+
+ // TODO: Protocol encryption should be set up here if not localhost / auth
+
+ // Send login success:
+ {
+ cPacketizer Pkt(*this, 0x02); // Login success packet
+ Pkt.WriteString(Printf("%d", m_Client->GetUniqueID())); // TODO: proper UUID
+ Pkt.WriteString(Username);
+ }
+
+ m_State = 3; // State = Game
+ m_Client->HandleLogin(4, Username);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketAnimation(UInt32 a_RemainingBytes)
+{
+ HANDLE_PACKET_READ(ReadBEInt, int, EntityID);
+ HANDLE_PACKET_READ(ReadByte, Byte, Animation);
+ m_Client->HandleAnimation(Animation);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketBlockDig(UInt32 a_RemainingBytes)
+{
+ HANDLE_PACKET_READ(ReadByte, Byte, Status);
+ HANDLE_PACKET_READ(ReadBEInt, int, BlockX);
+ HANDLE_PACKET_READ(ReadByte, Byte, BlockY);
+ HANDLE_PACKET_READ(ReadBEInt, int, BlockZ);
+ HANDLE_PACKET_READ(ReadByte, Byte, Face);
+ m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, Face, Status);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketBlockPlace(UInt32 a_RemainingBytes)
+{
+ HANDLE_PACKET_READ(ReadBEInt, int, BlockX);
+ HANDLE_PACKET_READ(ReadByte, Byte, BlockY);
+ HANDLE_PACKET_READ(ReadBEInt, int, BlockZ);
+ HANDLE_PACKET_READ(ReadByte, Byte, Face);
+ HANDLE_PACKET_READ(ReadByte, Byte, CursorX);
+ HANDLE_PACKET_READ(ReadByte, Byte, CursorY);
+ HANDLE_PACKET_READ(ReadByte, Byte, CursorZ);
+ m_Client->HandleRightClick(BlockX, BlockY, BlockZ, Face, CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem());
+}
+
+
+
+
+
+void cProtocol172::HandlePacketChatMessage(UInt32 a_RemainingBytes)
+{
+ HANDLE_PACKET_READ(ReadVarUTF8String, AString, Message);
+ m_Client->HandleChat(Message);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketClientSettings(UInt32 a_RemainingBytes)
+{
+ HANDLE_PACKET_READ(ReadVarUTF8String, AString, Locale);
+ HANDLE_PACKET_READ(ReadByte, Byte, ViewDistance);
+ HANDLE_PACKET_READ(ReadByte, Byte, ChatFlags);
+ HANDLE_PACKET_READ(ReadByte, Byte, Unused);
+ HANDLE_PACKET_READ(ReadByte, Byte, Difficulty);
+ HANDLE_PACKET_READ(ReadByte, Byte, ShowCape);
+ // TODO: handle in m_Client
+}
+
+
+
+
+
+void cProtocol172::HandlePacketClientStatus(UInt32 a_RemainingBytes)
+{
+ HANDLE_PACKET_READ(ReadByte, Byte, ActionID);
+ switch (ActionID)
+ {
+ case 0:
+ {
+ // Respawn
+ m_Client->HandleRespawn();
+ break;
+ }
+ case 1:
+ {
+ // Request stats
+ // TODO
+ break;
+ }
+ case 2:
+ {
+ // Open Inventory achievement
+ // TODO
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol172::HandlePacketCreativeInventoryAction(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketEntityAction(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketKeepAlive(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayer(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerAbilities(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerLook(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerPos(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerPosLook(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPluginMessage(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketSlotSelect(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketSteerVehicle(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketTabComplete(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketUpdateSign(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketUseEntity(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketWindowClick(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::HandlePacketWindowClose(UInt32 a_RemainingBytes)
+{
+ // TODO
+}
+
+
+
+
+
+void cProtocol172::WritePacket(cByteBuffer & a_Packet)
+{
+ cCSLock Lock(m_CSPacket);
+ AString Pkt;
+ a_Packet.ReadAll(Pkt);
+ WriteVarInt(Pkt.size());
+ SendData(Pkt.data(), Pkt.size());
+ Flush();
+}
+
+
+
+
+
+void cProtocol172::SendData(const char * a_Data, int a_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);
+ m_Client->SendData((const char *)Encrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ m_Client->SendData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cProtocol172::cPacketizer:
+
+cProtocol172::cPacketizer::~cPacketizer()
+{
+ AString DataToSend;
+
+ // Send the packet length
+ UInt32 PacketLen = m_Out.GetUsedSpace();
+ m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen);
+ m_Protocol.m_OutPacketLenBuffer.ReadAll(DataToSend);
+ m_Protocol.SendData(DataToSend.data(), DataToSend.size());
+ m_Protocol.m_OutPacketLenBuffer.CommitRead();
+
+ // Send the packet data:
+ m_Out.ReadAll(DataToSend);
+ m_Protocol.SendData(DataToSend.data(), DataToSend.size());
+ m_Out.CommitRead();
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
+{
+ short ItemType = a_Item.m_ItemType;
+ ASSERT(ItemType >= -1); // Check validity of packets in debug runtime
+ if (ItemType <= 0)
+ {
+ // Fix, to make sure no invalid values are sent.
+ ItemType = -1;
+ }
+
+ if (a_Item.IsEmpty())
+ {
+ WriteShort(-1);
+ return;
+ }
+
+ WriteShort(ItemType);
+ WriteByte (a_Item.m_ItemCount);
+ WriteShort(a_Item.m_ItemDamage);
+
+ if (a_Item.m_Enchantments.IsEmpty())
+ {
+ 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());
+ WriteBuf(Compressed.data(), Compressed.size());
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteByteAngle(double a_Angle)
+{
+ WriteByte((char)(255 * a_Angle / 360));
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteFPInt(double a_Value)
+{
+ int Value = (int)(a_Value * 32);
+ WriteInt(Value);
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
+{
+ // Common metadata:
+ Byte Flags = 0;
+ if (a_Entity.IsOnFire())
+ {
+ Flags |= 0x01;
+ }
+ if (a_Entity.IsCrouched())
+ {
+ Flags |= 0x02;
+ }
+ if (a_Entity.IsSprinting())
+ {
+ Flags |= 0x08;
+ }
+ if (a_Entity.IsRclking())
+ {
+ Flags |= 0x10;
+ }
+ if (a_Entity.IsInvisible())
+ {
+ Flags |= 0x20;
+ }
+ WriteByte(0); // Byte(0) + index 0
+ WriteByte(Flags);
+
+ switch (a_Entity.GetEntityType())
+ {
+ case cEntity::etPlayer: break; // TODO?
+ case cEntity::etPickup:
+ {
+ WriteByte((5 << 5) | 10); // Slot(5) + index 10
+ WriteItem(((const cPickup &)a_Entity).GetItem());
+ break;
+ }
+ case cEntity::etMonster:
+ {
+ WriteMobMetadata((const cMonster &)a_Entity);
+ break;
+ }
+ // TODO: Other types
+ }
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
+{
+ // TODO
+}
+
+
+
+
diff --git a/source/Protocol/Protocol17x.h b/source/Protocol/Protocol17x.h
new file mode 100644
index 000000000..e3a51b844
--- /dev/null
+++ b/source/Protocol/Protocol17x.h
@@ -0,0 +1,252 @@
+
+// Protocol17x.h
+
+/*
+Declares the 1.7.x protocol classes:
+ - cProtocol172
+ - release 1.7.2 protocol (#4)
+(others may be added later in the future for the 1.7 release series)
+*/
+
+
+
+
+
+#pragma once
+
+#include "Protocol.h"
+#include "../ByteBuffer.h"
+#include "../../CryptoPP/modes.h"
+#include "../../CryptoPP/aes.h"
+
+
+
+
+
+class cProtocol172 :
+ public cProtocol // TODO
+{
+ typedef cProtocol super; // TODO
+
+public:
+
+ cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State);
+
+ /// Called when client sends some data:
+ virtual void DataReceived(const char * a_Data, int a_Size) override;
+
+ /// Sending stuff to clients (alphabetically sorted):
+ virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) override;
+ virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) override;
+ virtual void SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override;
+ virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
+ virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override;
+ virtual void SendChat (const AString & a_Message) override;
+ virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
+ virtual void SendCollectPickup (const cPickup & a_Pickup, const cPlayer & a_Player) override;
+ virtual void SendDestroyEntity (const cEntity & a_Entity) override;
+ virtual void SendDisconnect (const AString & a_Reason) override;
+ virtual void SendEditSign (int a_BlockX, int a_BlockY, int a_BlockZ) override; ///< Request the client to open up the sign editor for the sign (1.6+)
+ virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override;
+ virtual void SendEntityHeadLook (const cEntity & a_Entity) override;
+ virtual void SendEntityLook (const cEntity & a_Entity) override;
+ virtual void SendEntityMetadata (const cEntity & a_Entity) override;
+ virtual void SendEntityProperties (const cEntity & a_Entity) override;
+ virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
+ virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
+ virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) override;
+ virtual void SendEntityVelocity (const cEntity & a_Entity) override;
+ virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
+ virtual void SendGameMode (eGameMode a_GameMode) override;
+ virtual void SendHealth (void) override;
+ virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
+ virtual void SendKeepAlive (int a_PingID) override;
+ virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
+ virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
+ virtual void SendPlayerAbilities (void) override;
+ virtual void 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, char a_VehicleSubType) override;
+ virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
+ virtual void SendTeleportEntity (const cEntity & a_Entity) override;
+ virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) override;
+ virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay) override;
+ virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override;
+ virtual void SendUpdateSign (int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) override;
+ virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) override;
+ virtual void SendWeather (eWeather a_Weather) override;
+ virtual void SendWholeInventory (const 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 void SendWindowProperty (const cWindow & a_Window, short a_Property, short a_Value) override;
+
+ virtual AString GetAuthServerID(void) override { return m_AuthServerID; }
+
+protected:
+
+ /// Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed
+ class cPacketizer
+ {
+ public:
+ cPacketizer(cProtocol172 & a_Protocol, UInt32 a_PacketType) :
+ m_Protocol(a_Protocol),
+ m_Out(a_Protocol.m_OutPacketBuffer),
+ m_Lock(a_Protocol.m_CSPacket)
+ {
+ m_Out.WriteVarInt(a_PacketType);
+ }
+
+ ~cPacketizer();
+
+ void WriteBool(bool a_Value)
+ {
+ m_Out.WriteBool(a_Value);
+ }
+
+ void WriteByte(Byte a_Value)
+ {
+ m_Out.WriteByte(a_Value);
+ }
+
+ void WriteChar(char a_Value)
+ {
+ m_Out.WriteChar(a_Value);
+ }
+
+ void WriteShort(short a_Value)
+ {
+ m_Out.WriteBEShort(a_Value);
+ }
+
+ void WriteInt(int a_Value)
+ {
+ m_Out.WriteBEInt(a_Value);
+ }
+
+ void WriteInt64(Int64 a_Value)
+ {
+ m_Out.WriteBEInt64(a_Value);
+ }
+
+ void WriteFloat(float a_Value)
+ {
+ m_Out.WriteBEFloat(a_Value);
+ }
+
+ void WriteDouble(double a_Value)
+ {
+ m_Out.WriteBEDouble(a_Value);
+ }
+
+ void WriteVarInt(UInt32 a_Value)
+ {
+ m_Out.WriteVarInt(a_Value);
+ }
+
+ void WriteString(const AString & a_Value)
+ {
+ m_Out.WriteVarUTF8String(a_Value);
+ }
+
+ void WriteBuf(const char * a_Data, int a_Size)
+ {
+ m_Out.Write(a_Data, a_Size);
+ }
+
+ void WriteItem(const cItem & a_Item);
+ void WriteByteAngle(double a_Angle); // Writes the specified angle using a single byte
+ void WriteFPInt(double a_Value); // Writes the double value as a 27:5 fixed-point integer
+ void WriteEntityMetadata(const cEntity & a_Entity); // Writes the metadata for the specified entity, not including the terminating 0x7f
+ void WriteMobMetadata(const cMonster & a_Mob); // Writes the mob-specific metadata for the specified mob
+
+ protected:
+ cProtocol172 & m_Protocol;
+ cByteBuffer & m_Out;
+ cCSLock m_Lock;
+ } ;
+
+ AString m_ServerAddress;
+
+ UInt16 m_ServerPort;
+
+ AString m_AuthServerID;
+
+ /// State of the protocol. 1 = status, 2 = login, 3 = game
+ UInt32 m_State;
+
+ /// Buffer for the received data
+ cByteBuffer m_ReceivedData;
+
+ /// Buffer for composing the outgoing packets, through cPacketizer
+ cByteBuffer m_OutPacketBuffer;
+
+ /// Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer)
+ cByteBuffer m_OutPacketLenBuffer;
+
+ bool m_IsEncrypted;
+ CryptoPP::CFB_Mode<CryptoPP::AES>::Decryption m_Decryptor;
+ CryptoPP::CFB_Mode<CryptoPP::AES>::Encryption m_Encryptor;
+
+
+ /// Adds the received (unencrypted) data to m_ReceivedData, parses complete packets
+ void AddReceivedData(const char * a_Data, int a_Size);
+
+ /// Reads and handles the packet. The packet length and type have already been read.
+ void HandlePacket(UInt32 a_PacketType, UInt32 a_RemainingBytes);
+
+ // Packet handlers while in the Status state (m_State == 1):
+ void HandlePacketStatusPing (UInt32 a_RemainingBytes);
+ void HandlePacketStatusRequest(UInt32 a_RemainingBytes);
+
+ // Packet handlers while in the Login state (m_State == 2):
+ void HandlePacketLoginEncryptionResponse(UInt32 a_RemainingBytes);
+ void HandlePacketLoginStart (UInt32 a_RemainingBytes);
+
+ // Packet handlers while in the Game state (m_State == 3):
+ void HandlePacketAnimation (UInt32 a_RemainingBytes);
+ void HandlePacketBlockDig (UInt32 a_RemainingBytes);
+ void HandlePacketBlockPlace (UInt32 a_RemainingBytes);
+ void HandlePacketChatMessage (UInt32 a_RemainingBytes);
+ void HandlePacketClientSettings (UInt32 a_RemainingBytes);
+ void HandlePacketClientStatus (UInt32 a_RemainingBytes);
+ void HandlePacketCreativeInventoryAction(UInt32 a_RemainingBytes);
+ void HandlePacketEntityAction (UInt32 a_RemainingBytes);
+ void HandlePacketKeepAlive (UInt32 a_RemainingBytes);
+ void HandlePacketPlayer (UInt32 a_RemainingBytes);
+ void HandlePacketPlayerAbilities (UInt32 a_RemainingBytes);
+ void HandlePacketPlayerLook (UInt32 a_RemainingBytes);
+ void HandlePacketPlayerPos (UInt32 a_RemainingBytes);
+ void HandlePacketPlayerPosLook (UInt32 a_RemainingBytes);
+ void HandlePacketPluginMessage (UInt32 a_RemainingBytes);
+ void HandlePacketSlotSelect (UInt32 a_RemainingBytes);
+ void HandlePacketSteerVehicle (UInt32 a_RemainingBytes);
+ void HandlePacketTabComplete (UInt32 a_RemainingBytes);
+ void HandlePacketUpdateSign (UInt32 a_RemainingBytes);
+ void HandlePacketUseEntity (UInt32 a_RemainingBytes);
+ void HandlePacketWindowClick (UInt32 a_RemainingBytes);
+ void HandlePacketWindowClose (UInt32 a_RemainingBytes);
+
+
+ /// Writes an entire packet into the output stream. a_Packet is expected to start with the packet type; data length is prepended here.
+ void WritePacket(cByteBuffer & a_Packet);
+
+ /// Sends the data to the client, encrypting them if needed.
+ virtual void SendData(const char * a_Data, int a_Size) override;
+
+ void SendCompass(const cWorld & a_World);
+} ;
+
+
+
+
diff --git a/source/Protocol/ProtocolRecognizer.cpp b/source/Protocol/ProtocolRecognizer.cpp
index ceada1944..67f924d7e 100644
--- a/source/Protocol/ProtocolRecognizer.cpp
+++ b/source/Protocol/ProtocolRecognizer.cpp
@@ -12,6 +12,7 @@
#include "Protocol14x.h"
#include "Protocol15x.h"
#include "Protocol16x.h"
+#include "Protocol17x.h"
#include "../ClientHandle.h"
#include "../Root.h"
#include "../Server.h"
@@ -384,6 +385,16 @@ void cProtocolRecognizer::SendPickupSpawn(const cPickup & a_Pickup)
+void cProtocolRecognizer::SendPlayerAbilities(void)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendPlayerAbilities();
+}
+
+
+
+
+
void cProtocolRecognizer::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation)
{
ASSERT(m_Protocol != NULL);
@@ -667,11 +678,65 @@ bool cProtocolRecognizer::TryRecognizeProtocol(void)
}
switch (PacketType)
{
- case 0x02: break; // Handshake, continue recognizing
- case 0xfe: HandleServerPing(); return false;
- default: return false;
+ case 0x02: return TryRecognizeLengthlessProtocol(); // Handshake, continue recognizing
+ case 0xfe:
+ {
+ // This may be either a packet length or the length-less Ping packet
+ Byte NextByte;
+ if (!m_Buffer.ReadByte(NextByte))
+ {
+ // Not enough data for either protocol
+ // This could actually happen with the 1.2 / 1.3 client, but their support is fading out anyway
+ return false;
+ }
+ if (NextByte != 0x01)
+ {
+ // This is definitely NOT a length-less Ping packet, handle as lengthed protocol:
+ break;
+ }
+ if (!m_Buffer.ReadByte(NextByte))
+ {
+ // There is no more data. Although this *could* mean TCP fragmentation, it is highly unlikely
+ // and rather this is a 1.4 client sending a regular Ping packet (without the following Plugin message)
+ SendLengthlessServerPing();
+ return false;
+ }
+ if (NextByte == 0xfa)
+ {
+ // Definitely a length-less Ping followed by a Plugin message
+ SendLengthlessServerPing();
+ return false;
+ }
+ // Definitely a lengthed Initial handshake, handle below:
+ break;
+ }
+ } // switch (PacketType)
+
+ // This must be a lengthed protocol, try if it has the entire initial handshake packet:
+ m_Buffer.ResetRead();
+ UInt32 PacketLen;
+ UInt32 ReadSoFar = m_Buffer.GetReadableSpace();
+ if (!m_Buffer.ReadVarInt(PacketLen))
+ {
+ // Not enough bytes for the packet length, keep waiting
+ return false;
}
-
+ ReadSoFar -= m_Buffer.GetReadableSpace();
+ if (!m_Buffer.CanReadBytes(PacketLen))
+ {
+ // Not enough bytes for the packet, keep waiting
+ return false;
+ }
+ return TryRecognizeLengthedProtocol(PacketLen - ReadSoFar);
+}
+
+
+
+
+
+bool cProtocolRecognizer::TryRecognizeLengthlessProtocol(void)
+{
+ // The comm started with 0x02, which is a Handshake packet in the length-less protocol family
// 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;
@@ -724,7 +789,56 @@ bool cProtocolRecognizer::TryRecognizeProtocol(void)
-void cProtocolRecognizer::HandleServerPing(void)
+bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining)
+{
+ UInt32 PacketType;
+ UInt32 NumBytesRead = m_Buffer.GetReadableSpace();
+ if (!m_Buffer.ReadVarInt(PacketType))
+ {
+ return false;
+ }
+ if (PacketType != 0x00)
+ {
+ // Not an initial handshake packet, we don't know how to talk to them
+ LOGINFO("Client \"%s\" uses an unsupported protocol (lengthed, initial packet %u)",
+ m_Client->GetIPString().c_str(), PacketType
+ );
+ m_Client->Kick("Unsupported protocol version");
+ return false;
+ }
+ UInt32 ProtocolVersion;
+ if (!m_Buffer.ReadVarInt(ProtocolVersion))
+ {
+ return false;
+ }
+ NumBytesRead -= m_Buffer.GetReadableSpace();
+ switch (ProtocolVersion)
+ {
+ case PROTO_VERSION_1_7_2:
+ {
+ AString ServerAddress;
+ short ServerPort;
+ UInt32 NextState;
+ m_Buffer.ReadVarUTF8String(ServerAddress);
+ m_Buffer.ReadBEShort(ServerPort);
+ m_Buffer.ReadVarInt(NextState);
+ m_Buffer.CommitRead();
+ m_Protocol = new cProtocol172(m_Client, ServerAddress, ServerPort, NextState);
+ return true;
+ }
+ }
+ LOGINFO("Client \"%s\" uses an unsupported protocol (lengthed, version %u)",
+ m_Client->GetIPString().c_str(), ProtocolVersion
+ );
+ m_Client->Kick("Unsupported protocol version");
+ return false;
+}
+
+
+
+
+
+void cProtocolRecognizer::SendLengthlessServerPing(void)
{
AString Reply;
switch (cRoot::Get()->GetPrimaryServerVersion())
@@ -757,10 +871,12 @@ void cProtocolRecognizer::HandleServerPing(void)
// 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))
+ m_Buffer.ResetRead();
+ if (m_Buffer.CanReadBytes(2))
{
byte val;
- m_Buffer.ReadByte(val);
+ m_Buffer.ReadByte(val); // Packet type - Serverlist ping
+ m_Buffer.ReadByte(val); // 0x01 magic value
ASSERT(val == 0x01);
}
diff --git a/source/Protocol/ProtocolRecognizer.h b/source/Protocol/ProtocolRecognizer.h
index c53288230..79dc5568f 100644
--- a/source/Protocol/ProtocolRecognizer.h
+++ b/source/Protocol/ProtocolRecognizer.h
@@ -47,6 +47,9 @@ public:
PROTO_VERSION_NEXT,
PROTO_VERSION_LATEST = PROTO_VERSION_NEXT - 1, ///< Automatically assigned to the last protocol version, this serves as the default for PrimaryServerVersion
+
+ // These will be kept "under" the next / latest, because the next and latest are only needed for previous protocols
+ PROTO_VERSION_1_7_2 = 4,
} ;
cProtocolRecognizer(cClientHandle * a_Client);
@@ -86,6 +89,7 @@ public:
virtual void SendKeepAlive (int a_PingID) override;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
+ virtual void SendPlayerAbilities (void) override;
virtual void 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;
@@ -124,8 +128,23 @@ protected:
/// 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);
+ /** Tries to recognize a protocol in the length-less family, based on m_Buffer; returns true if recognized.
+ Handles protocols before release 1.7, that didn't include packet lengths, and started with a 0x02 handshake packet
+ Note that length-less server ping is handled directly in TryRecognizeProtocol(), this function is called only
+ when the 0x02 Handshake packet has been received
+ */
+ bool TryRecognizeLengthlessProtocol(void);
+
+ /** Tries to recognize a protocol in the leghted family (1.7+), based on m_Buffer; returns true if recognized.
+ The packet length and type have already been read, type is 0
+ The number of bytes remaining in the packet is passed as a_PacketLengthRemaining
+ **/
+ bool TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining);
+
+ /** Called when the recognizer gets a length-less protocol's server ping packet
+ Responds with server stats and destroys the client.
+ */
+ void SendLengthlessServerPing(void);
} ;