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-rw-r--r--source/Protocol/Protocol17x.cpp475
-rw-r--r--source/Protocol/Protocol17x.h93
2 files changed, 402 insertions, 166 deletions
diff --git a/source/Protocol/Protocol17x.cpp b/source/Protocol/Protocol17x.cpp
index d4dbfb564..ef6049900 100644
--- a/source/Protocol/Protocol17x.cpp
+++ b/source/Protocol/Protocol17x.cpp
@@ -17,6 +17,8 @@ Implements the 1.7.x protocol classes:
#include "../World.h"
#include "ChunkDataSerializer.h"
#include "../Entities/Pickup.h"
+#include "../WorldStorage/FastNBT.h"
+#include "../StringCompression.h"
@@ -36,6 +38,8 @@ cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAdd
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)
{
}
@@ -70,12 +74,10 @@ void cProtocol172::DataReceived(const char * a_Data, int a_Size)
void cProtocol172::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle)
{
- cByteBuffer Packet(20);
- Packet.WriteVarInt(0x1b); // Attach Entity packet
- Packet.WriteBEInt(a_Entity.GetUniqueID());
- Packet.WriteBEInt((a_Vehicle != NULL) ? a_Vehicle->GetUniqueID() : 0);
- Packet.WriteBool(false);
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x1b); // Attach Entity packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteInt((a_Vehicle != NULL) ? a_Vehicle->GetUniqueID() : 0);
+ Pkt.WriteBool(false);
}
@@ -84,31 +86,27 @@ void cProtocol172::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_
void cProtocol172::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
{
- cByteBuffer Packet(30);
- Packet.WriteVarInt(0x24); // Block Action packet
- Packet.WriteBEInt(a_BlockX);
- Packet.WriteBEShort(a_BlockY);
- Packet.WriteBEInt(a_BlockZ);
- Packet.WriteChar(a_Byte1);
- Packet.WriteChar(a_Byte2);
- Packet.WriteVarInt(a_BlockType);
- WritePacket(Packet);
+ 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)
+void cProtocol172::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
{
- cByteBuffer Packet(20);
- Packet.WriteVarInt(0x24); // Block Action packet
- Packet.WriteBEInt(a_EntityID);
- Packet.WriteBEInt(a_BlockX);
- Packet.WriteBEInt(a_BlockY);
- Packet.WriteBEInt(a_BlockZ);
- Packet.WriteChar(a_Stage);
- WritePacket(Packet);
+ 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);
}
@@ -117,14 +115,12 @@ void cProtocol172::SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_Block
void cProtocol172::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
- cByteBuffer Packet(20);
- Packet.WriteVarInt(0x23); // Block Change packet
- Packet.WriteBEInt(a_BlockX);
- Packet.WriteByte(a_BlockY);
- Packet.WriteBEInt(a_BlockZ);
- Packet.WriteVarInt(a_BlockType);
- Packet.WriteByte(a_BlockMeta);
- WritePacket(Packet);
+ 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);
}
@@ -133,19 +129,17 @@ void cProtocol172::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLO
void cProtocol172::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
{
- cByteBuffer Packet(20 + a_Changes.size() * 4);
- Packet.WriteVarInt(0x22); // Multi Block Change packet
- Packet.WriteBEInt(a_ChunkX);
- Packet.WriteBEInt(a_ChunkZ);
- Packet.WriteBEShort((short)a_Changes.size());
- Packet.WriteBEInt(a_Changes.size() * 4);
+ 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);
- Packet.WriteBEInt((Coords << 16) | Blocks);
+ Pkt.WriteInt((Coords << 16) | Blocks);
} // for itr - a_Changes[]
- WritePacket(Packet);
}
@@ -154,11 +148,8 @@ void cProtocol172::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockV
void cProtocol172::SendChat(const AString & a_Message)
{
- AString Message = Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str());
- cByteBuffer Packet(20 + Message.size());
- Packet.WriteVarInt(0x02); // Chat Message packet
- Packet.WriteVarUTF8String(Message);
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x02); // Chat Message packet
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str()));
}
@@ -168,12 +159,10 @@ void cProtocol172::SendChat(const AString & a_Message)
void cProtocol172::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
{
const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_3_2); // This contains the flags and bitmasks, too
- cByteBuffer Packet(40 + ChunkData.size());
- Packet.WriteVarInt(0x21); // Chunk Data packet
- Packet.WriteBEInt(a_ChunkX);
- Packet.WriteBEInt(a_ChunkZ);
- Packet.Write(ChunkData.data(), ChunkData.size());
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x21); // Chunk Data packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteBuf(ChunkData.data(), ChunkData.size());
}
@@ -182,11 +171,9 @@ void cProtocol172::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerialize
void cProtocol172::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player)
{
- cByteBuffer Packet(9);
- Packet.WriteVarInt(0x0d); // Collect Item packet
- Packet.WriteBEInt(a_Pickup.GetUniqueID());
- Packet.WriteBEInt(a_Player.GetUniqueID());
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x0d); // Collect Item packet
+ Pkt.WriteInt(a_Pickup.GetUniqueID());
+ Pkt.WriteInt(a_Player.GetUniqueID());
}
@@ -195,11 +182,9 @@ void cProtocol172::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a
void cProtocol172::SendDestroyEntity(const cEntity & a_Entity)
{
- cByteBuffer Packet(6);
- Packet.WriteVarInt(0x13); // Destroy Entities packet
- Packet.WriteByte(0);
- Packet.WriteBEInt(a_Entity.GetUniqueID());
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x13); // Destroy Entities packet
+ Pkt.WriteByte(1);
+ Pkt.WriteInt(a_Entity.GetUniqueID());
}
@@ -208,19 +193,20 @@ void cProtocol172::SendDestroyEntity(const cEntity & a_Entity)
void cProtocol172::SendDisconnect(const AString & a_Reason)
{
- cByteBuffer Packet(10 + a_Reason.size());
- Packet.WriteVarInt(0x40); // Disconnect packet
- Packet.WriteVarUTF8String(a_Reason);
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x40);
+ Pkt.WriteString(a_Reason);
}
-void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) ///< Request the client to open up the sign editor for the sign(1.6+)
+void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
{
- // TODO
+ cPacketizer Pkt(*this, 0x36); // Sign Editor Open packet
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteInt(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
}
@@ -229,7 +215,10 @@ void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) ///<
void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
{
- // TODO
+ cPacketizer Pkt(*this, 0x04); // Entity Equipment packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
}
@@ -238,7 +227,9 @@ void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum
void cProtocol172::SendEntityHeadLook(const cEntity & a_Entity)
{
- // TODO
+ cPacketizer Pkt(*this, 0x19); // Entity Head Look packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetHeadYaw());
}
@@ -247,7 +238,10 @@ void cProtocol172::SendEntityHeadLook(const cEntity & a_Entity)
void cProtocol172::SendEntityLook(const cEntity & a_Entity)
{
- // TODO
+ cPacketizer Pkt(*this, 0x16); // Entity Look packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
}
@@ -256,7 +250,12 @@ void cProtocol172::SendEntityLook(const cEntity & a_Entity)
void cProtocol172::SendEntityMetadata(const cEntity & a_Entity)
{
+ /*
// TODO
+ cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ WriteEntityMetadata(Pkt, a_Entity);
+ */
}
@@ -265,7 +264,11 @@ void cProtocol172::SendEntityMetadata(const cEntity & a_Entity)
void cProtocol172::SendEntityProperties(const cEntity & a_Entity)
{
+ /*
+ cPacketizer Pkt(*this, 0x20); // Entity Properties packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
// TODO
+ */
}
@@ -274,7 +277,11 @@ void cProtocol172::SendEntityProperties(const cEntity & a_Entity)
void cProtocol172::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
{
- // TODO
+ 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);
}
@@ -283,7 +290,13 @@ void cProtocol172::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char
void cProtocol172::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
{
- // TODO
+ 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());
}
@@ -292,7 +305,9 @@ void cProtocol172::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX,
void cProtocol172::SendEntityStatus(const cEntity & a_Entity, char a_Status)
{
- // TODO
+ cPacketizer Pkt(*this, 0x1a); // Entity Status packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteChar(a_Status);
}
@@ -301,7 +316,12 @@ void cProtocol172::SendEntityStatus(const cEntity & a_Entity, char a_Status)
void cProtocol172::SendEntityVelocity(const cEntity & a_Entity)
{
- // TODO
+ 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));
}
@@ -310,7 +330,21 @@ void cProtocol172::SendEntityVelocity(const cEntity & a_Entity)
void cProtocol172::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion)
{
- // TODO
+ 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);
}
@@ -319,7 +353,9 @@ void cProtocol172::SendExplosion(double a_BlockX, double a_BlockY, double a_Bloc
void cProtocol172::SendGameMode(eGameMode a_GameMode)
{
- // TODO
+ cPacketizer Pkt(*this, 0x2b); // Change Game State packet
+ Pkt.WriteByte(3); // Reason: Change game mode
+ Pkt.WriteFloat((float)a_GameMode);
}
@@ -328,7 +364,10 @@ void cProtocol172::SendGameMode(eGameMode a_GameMode)
void cProtocol172::SendHealth(void)
{
- // TODO
+ 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());
}
@@ -337,7 +376,10 @@ void cProtocol172::SendHealth(void)
void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
{
- // TODO
+ cPacketizer Pkt(*this, 0x2f); // Set Slot packet
+ Pkt.WriteChar(a_WindowID);
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
}
@@ -346,7 +388,8 @@ void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cIt
void cProtocol172::SendKeepAlive(int a_PingID)
{
- // TODO
+ cPacketizer Pkt(*this, 0x00); // Keep Alive packet
+ Pkt.WriteInt(a_PingID);
}
@@ -355,13 +398,24 @@ void cProtocol172::SendKeepAlive(int 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:
- cByteBuffer Packet(20);
- Packet.WriteVarInt(0x05); // Spawn Position packet
- Packet.WriteBEInt((int)a_World.GetSpawnX());
- Packet.WriteBEInt((int)a_World.GetSpawnY());
- Packet.WriteBEInt((int)a_World.GetSpawnZ());
- WritePacket(Packet);
+ {
+ 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();
@@ -373,7 +427,24 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
{
- // TODO
+ {
+ 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
+ }
}
@@ -382,19 +453,17 @@ void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
void cProtocol172::SendPlayerAbilities(void)
{
- cByteBuffer Packet(20);
- Packet.WriteVarInt(0x39); // Player Abilities packet
+ 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
- Packet.WriteByte(Flags);
- // TODO: Packet.WriteBEFloat(m_Client->GetPlayer()->GetMaxFlyingSpeed());
- Packet.WriteBEFloat(0.05f);
- Packet.WriteBEFloat((float)m_Client->GetPlayer()->GetMaxSpeed());
- WritePacket(Packet);
+ Pkt.WriteByte(Flags);
+ // TODO: Pkt.WriteFloat(m_Client->GetPlayer()->GetMaxFlyingSpeed());
+ Pkt.WriteFloat(0.05f);
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetMaxSpeed());
}
@@ -403,7 +472,9 @@ void cProtocol172::SendPlayerAbilities(void)
void cProtocol172::SendPlayerAnimation(const cPlayer & a_Player, char a_Animation)
{
- // TODO
+ cPacketizer Pkt(*this, 0x0b); // Animation packet
+ Pkt.WriteInt(a_Player.GetUniqueID());
+ Pkt.WriteChar(a_Animation);
}
@@ -412,12 +483,10 @@ void cProtocol172::SendPlayerAnimation(const cPlayer & a_Player, char a_Animatio
void cProtocol172::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline)
{
- cByteBuffer Packet(10 + a_Player.GetName().size());
- Packet.WriteVarInt(0x38); // Playerlist Item packet
- Packet.WriteVarUTF8String(a_Player.GetName());
- Packet.WriteBool(a_IsOnline);
- Packet.WriteBEShort(a_Player.GetClientHandle()->GetPing());
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteString(a_Player.GetName());
+ Pkt.WriteBool(a_IsOnline);
+ Pkt.WriteShort(a_Player.GetClientHandle()->GetPing());
}
@@ -435,7 +504,13 @@ void cProtocol172::SendPlayerMaxSpeed(void)
void cProtocol172::SendPlayerMoveLook(void)
{
- // TODO
+ 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());
}
@@ -444,7 +519,8 @@ void cProtocol172::SendPlayerMoveLook(void)
void cProtocol172::SendPlayerPosition(void)
{
- // TODO
+ // There is no dedicated packet for this, send the whole thing:
+ SendPlayerMoveLook();
}
@@ -453,7 +529,21 @@ void cProtocol172::SendPlayerPosition(void)
void cProtocol172::SendPlayerSpawn(const cPlayer & a_Player)
{
- // TODO
+ // 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
}
@@ -462,7 +552,11 @@ void cProtocol172::SendPlayerSpawn(const cPlayer & a_Player)
void cProtocol172::SendRespawn(void)
{
- // TODO
+ 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");
}
@@ -670,6 +764,7 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
// Not enough data
return;
}
+
UInt32 NumBytesRead = Mark1 - m_ReceivedData.GetReadableSpace();
HandlePacket(PacketType, PacketLen - NumBytesRead);
@@ -681,6 +776,7 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
// Go to packet end in any case:
m_ReceivedData.ResetRead();
+ m_ReceivedData.ReadVarInt(PacketType);
m_ReceivedData.SkipRead(PacketLen);
m_ReceivedData.CommitRead();
} // while (true)
@@ -720,29 +816,29 @@ void cProtocol172::HandlePacket(UInt32 a_PacketType, UInt32 a_RemainingBytes)
// Game
switch (a_PacketType)
{
- case 0x00: HandlePacketKeepAlive (a_RemainingBytes); break;
- case 0x01: HandlePacketChatMessage (a_RemainingBytes); break;
- case 0x02: HandlePacketUseEntity (a_RemainingBytes); break;
- case 0x03: HandlePacketPlayer (a_RemainingBytes); break;
- case 0x04: HandlePacketPlayerPos (a_RemainingBytes); break;
- case 0x05: HandlePacketPlayerLook (a_RemainingBytes); break;
- case 0x06: HandlePacketPlayerPosLook (a_RemainingBytes); break;
- case 0x07: HandlePacketBlockDig (a_RemainingBytes); break;
- case 0x08: HandlePacketBlockPlace (a_RemainingBytes); break;
- case 0x09: HandlePacketSlotSelect (a_RemainingBytes); break;
- case 0x0a: HandlePacketAnimation (a_RemainingBytes); break;
- case 0x0b: HandlePacketEntityAction (a_RemainingBytes); break;
- case 0x0c: HandlePacketSteerVehicle (a_RemainingBytes); break;
- case 0x0d: HandlePacketWindowClose (a_RemainingBytes); break;
- case 0x0e: HandlePacketWindowClick (a_RemainingBytes); break;
+ 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); break;
- case 0x12: HandlePacketUpdateSign (a_RemainingBytes); break;
- case 0x13: HandlePacketPlayerAbilities (a_RemainingBytes); break;
- case 0x14: HandlePacketTabComplete (a_RemainingBytes); break;
- case 0x15: HandlePacketClientSettings (a_RemainingBytes); break;
- case 0x16: HandlePacketClientStatus (a_RemainingBytes); break;
- case 0x17: HandlePacketPluginMessage (a_RemainingBytes); break;
+ 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;
}
@@ -772,10 +868,8 @@ void cProtocol172::HandlePacketStatusPing(UInt32 a_RemainingBytes)
m_ReceivedData.ReadBEInt64(Timestamp);
m_ReceivedData.CommitRead();
- cByteBuffer Packet(18);
- Packet.WriteVarInt(0x01);
- Packet.WriteBEInt64(Timestamp);
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x01); // Ping packet
+ Pkt.WriteInt64(Timestamp);
}
@@ -799,10 +893,8 @@ void cProtocol172::HandlePacketStatusRequest(UInt32 a_RemainingBytes)
);
Response.append("}");
- cByteBuffer Packet(Response.size() + 10);
- Packet.WriteVarInt(0x00); // Response packet
- Packet.WriteVarUTF8String(Response);
- WritePacket(Packet);
+ cPacketizer Pkt(*this, 0x00); // Response packet
+ Pkt.WriteString(Response);
}
@@ -826,12 +918,13 @@ void cProtocol172::HandlePacketLoginStart(UInt32 a_RemainingBytes)
// TODO: Protocol encryption should be set up here if not localhost / auth
// Send login success:
- cByteBuffer Packet(Username.size() + 30);
- Packet.WriteVarInt(0x02); // Login success packet
- Packet.WriteVarUTF8String(Printf("%d", m_Client->GetUniqueID())); // TODO: UUID
- Packet.WriteVarUTF8String(Username);
- WritePacket(Packet);
+ {
+ 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);
}
@@ -898,7 +991,7 @@ void cProtocol172::HandlePacketClientSettings(UInt32 a_RemainingBytes)
HANDLE_PACKET_READ(ReadByte, Byte, Unused);
HANDLE_PACKET_READ(ReadByte, Byte, Difficulty);
HANDLE_PACKET_READ(ReadByte, Byte, ShowCape);
- // TODO
+ // TODO: handle in m_Client
}
@@ -1074,24 +1167,6 @@ void cProtocol172::WritePacket(cByteBuffer & a_Packet)
void cProtocol172::SendData(const char * a_Data, int a_Size)
{
- m_DataToSend.append(a_Data, a_Size);
-}
-
-
-
-
-
-void cProtocol172::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)
@@ -1108,7 +1183,6 @@ void cProtocol172::Flush(void)
{
m_Client->SendData(a_Data, a_Size);
}
- m_DataToSend.clear();
}
@@ -1116,3 +1190,86 @@ void cProtocol172::Flush(void)
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// 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);
+}
+
+
+
+
diff --git a/source/Protocol/Protocol17x.h b/source/Protocol/Protocol17x.h
index f11d8e2f9..4be166814 100644
--- a/source/Protocol/Protocol17x.h
+++ b/source/Protocol/Protocol17x.h
@@ -95,6 +95,85 @@ public:
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
+
+ protected:
+ cProtocol172 & m_Protocol;
+ cByteBuffer & m_Out;
+ cCSLock m_Lock;
+ } ;
+
AString m_ServerAddress;
UInt16 m_ServerPort;
@@ -107,13 +186,16 @@ protected:
/// 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;
- /// (Unencrypted) data to be sent to the client. Written by SendData, cleared by Flush()
- AString m_DataToSend;
-
/// Adds the received (unencrypted) data to m_ReceivedData, parses complete packets
void AddReceivedData(const char * a_Data, int a_Size);
@@ -157,12 +239,9 @@ protected:
/// 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);
- /// Adds unencrypted data to the outgoing data buffer
+ /// Sends the data to the client, encrypting them if needed.
virtual void SendData(const char * a_Data, int a_Size) override;
- /// Flushes m_DataToSend through the optional encryption into the outgoing socket data
- virtual void Flush(void) override;
-
void SendCompass(const cWorld & a_World);
} ;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 13:08:48 +0100