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Diffstat (limited to '')
| -rw-r--r-- | source/Protocol/Protocol17x.cpp | 1929 |
1 files changed, 0 insertions, 1929 deletions
diff --git a/source/Protocol/Protocol17x.cpp b/source/Protocol/Protocol17x.cpp deleted file mode 100644 index ae1df7395..000000000 --- a/source/Protocol/Protocol17x.cpp +++ /dev/null @@ -1,1929 +0,0 @@ - -// 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/Minecart.h" -#include "../Entities/FallingBlock.h" -#include "../Entities/Pickup.h" -#include "../Entities/Player.h" -#include "../Mobs/IncludeAllMonsters.h" -#include "../UI/Window.h" - - - - - -#define HANDLE_READ(Proc, Type, Var) \ - Type Var; \ - m_ReceivedData.Proc(Var); - - - - - -#define HANDLE_PACKET_READ(Proc, Type, Var) \ - Type Var; \ - { \ - if (!m_ReceivedData.Proc(Var)) \ - { \ - m_ReceivedData.CheckValid(); \ - return false; \ - } \ - m_ReceivedData.CheckValid(); \ - } - - - - - -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(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str())); -} - - - - - -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) -{ - cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet - Pkt.WriteInt(a_Entity.GetUniqueID()); - Pkt.WriteEntityMetadata(a_Entity); - Pkt.WriteByte(0x7f); // The termination byte -} - - - - - -void cProtocol172::SendEntityProperties(const cEntity & a_Entity) -{ - cPacketizer Pkt(*this, 0x20); // Entity Properties packet - Pkt.WriteInt(a_Entity.GetUniqueID()); - Pkt.WriteEntityProperties(a_Entity); -} - - - - - -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() | (cRoot::Get()->GetServer()->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4 - 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.WriteVarInt(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.WriteVarInt(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_IsOnline ? a_Player.GetClientHandle()->GetPing() : 0); -} - - - - - -void cProtocol172::SendPlayerMaxSpeed(void) -{ - cPacketizer Pkt(*this, 0x20); // Entity Properties - Pkt.WriteInt(m_Client->GetPlayer()->GetUniqueID()); - Pkt.WriteInt(1); // Count - Pkt.WriteString("generic.movementSpeed"); - Pkt.WriteDouble(0.1); - if (m_Client->GetPlayer()->IsSprinting()) - { - Pkt.WriteShort(1); // Modifier count - Pkt.WriteInt64(0x662a6b8dda3e4c1c); - Pkt.WriteInt64(0x881396ea6097278d); // UUID of the modifier - Pkt.WriteDouble(0.3); - Pkt.WriteByte(2); - } - else - { - Pkt.WriteShort(0); // Modifier count - } -} - - - - - -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.WriteVarInt(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::SendExperience (void) -{ - cPacketizer Pkt(*this, 0x1F); //Experience Packet - Pkt.WriteFloat(m_Client->GetPlayer()->GetXpPercentage()); - Pkt.WriteShort(m_Client->GetPlayer()->GetXpLevel()); - Pkt.WriteShort(m_Client->GetPlayer()->GetCurrentXp()); -} - - - - - -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.WriteByte(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.WriteVarInt(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.WriteVarInt(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.WriteVarInt(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.WriteVarInt(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) -{ - cPacketizer Pkt(*this, 0x21); // Chunk Data packet - Pkt.WriteInt(a_ChunkX); - Pkt.WriteInt(a_ChunkZ); - Pkt.WriteBool(true); - Pkt.WriteShort(0); // Primary bitmap - Pkt.WriteShort(0); // Add bitmap - Pkt.WriteInt(0); // Compressed data size -} - - - - - -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) -{ - cPacketizer Pkt(*this, 0x33); - Pkt.WriteInt(a_BlockX); - Pkt.WriteShort((short)a_BlockY); - Pkt.WriteInt(a_BlockZ); - Pkt.WriteString(a_Line1); - Pkt.WriteString(a_Line2); - Pkt.WriteString(a_Line3); - Pkt.WriteString(a_Line4); -} - - - - - -void cProtocol172::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) -{ - cPacketizer Pkt(*this, 0x0a); - Pkt.WriteInt(a_Entity.GetUniqueID()); - Pkt.WriteInt(a_BlockX); - Pkt.WriteByte((Byte)a_BlockY); - Pkt.WriteInt(a_BlockZ); -} - - - - - -void cProtocol172::SendWeather(eWeather a_Weather) -{ - { - cPacketizer Pkt(*this, 0x2b); // Change Game State packet - Pkt.WriteByte((a_Weather == wSunny) ? 1 : 2); // End rain / begin rain - Pkt.WriteFloat(0); // Unused for weather - } - - // TODO: Fade effect, somehow -} - - - - - -void cProtocol172::SendWholeInventory(const cWindow & a_Window) -{ - cPacketizer Pkt(*this, 0x30); // Window Items packet - Pkt.WriteChar(a_Window.GetWindowID()); - Pkt.WriteShort(a_Window.GetNumSlots()); - cItems Slots; - a_Window.GetSlots(*(m_Client->GetPlayer()), Slots); - for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr) - { - Pkt.WriteItem(*itr); - } // for itr - Slots[] -} - - - - - -void cProtocol172::SendWindowClose(const cWindow & a_Window) -{ - cPacketizer Pkt(*this, 0x2e); - Pkt.WriteChar(a_Window.GetWindowID()); -} - - - - - -void cProtocol172::SendWindowOpen(const cWindow & a_Window) -{ - if (a_Window.GetWindowType() < 0) - { - // Do not send this packet for player inventory windows - return; - } - - cPacketizer Pkt(*this, 0x2d); - Pkt.WriteChar(a_Window.GetWindowID()); - Pkt.WriteChar(a_Window.GetWindowType()); - Pkt.WriteString(a_Window.GetWindowTitle()); - Pkt.WriteChar(a_Window.GetNumNonInventorySlots()); - Pkt.WriteBool(true); - if (a_Window.GetWindowType() == cWindow::wtAnimalChest) - { - Pkt.WriteInt(0); // TODO: The animal's EntityID - } -} - - - - - -void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value) -{ - cPacketizer Pkt(*this, 0x31); // Window Property packet - Pkt.WriteChar(a_Window.GetWindowID()); - Pkt.WriteShort(a_Property); - Pkt.WriteShort(a_Value); -} - - - - - -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_READ(ReadBEInt, int, EntityID); - HANDLE_READ(ReadByte, Byte, Animation); - m_Client->HandleAnimation(Animation); -} - - - - - -void cProtocol172::HandlePacketBlockDig(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadByte, Byte, Status); - HANDLE_READ(ReadBEInt, int, BlockX); - HANDLE_READ(ReadByte, Byte, BlockY); - HANDLE_READ(ReadBEInt, int, BlockZ); - HANDLE_READ(ReadByte, Byte, Face); - m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, Face, Status); -} - - - - - -void cProtocol172::HandlePacketBlockPlace(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEInt, int, BlockX); - HANDLE_READ(ReadByte, Byte, BlockY); - HANDLE_READ(ReadBEInt, int, BlockZ); - HANDLE_READ(ReadByte, Byte, Face); - HANDLE_READ(ReadByte, Byte, CursorX); - HANDLE_READ(ReadByte, Byte, CursorY); - HANDLE_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_READ(ReadVarUTF8String, AString, Message); - m_Client->HandleChat(Message); -} - - - - - -void cProtocol172::HandlePacketClientSettings(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadVarUTF8String, AString, Locale); - HANDLE_READ(ReadByte, Byte, ViewDistance); - HANDLE_READ(ReadByte, Byte, ChatFlags); - HANDLE_READ(ReadByte, Byte, Unused); - HANDLE_READ(ReadByte, Byte, Difficulty); - HANDLE_READ(ReadByte, Byte, ShowCape); - // TODO: handle in m_Client -} - - - - - -void cProtocol172::HandlePacketClientStatus(UInt32 a_RemainingBytes) -{ - HANDLE_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) -{ - HANDLE_READ(ReadBEShort, short, SlotNum); - cItem Item; - if (!ReadItem(Item)) - { - return; - } - m_Client->HandleCreativeInventory(SlotNum, Item); -} - - - - - -void cProtocol172::HandlePacketEntityAction(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEInt, int, PlayerID); - HANDLE_READ(ReadByte, Byte, Action); - HANDLE_READ(ReadBEInt, int, JumpBoost); - m_Client->HandleEntityAction(PlayerID, Action); -} - - - - - -void cProtocol172::HandlePacketKeepAlive(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEInt, int, KeepAliveID); - m_Client->HandleKeepAlive(KeepAliveID); -} - - - - - -void cProtocol172::HandlePacketPlayer(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBool, bool, IsOnGround); - // TODO: m_Client->HandlePlayerOnGround(IsOnGround); -} - - - - - -void cProtocol172::HandlePacketPlayerAbilities(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadByte, Byte, Flags); - HANDLE_READ(ReadBEFloat, float, FlyingSpeed); - HANDLE_READ(ReadBEFloat, float, WalkingSpeed); - // TODO: m_Client->HandlePlayerAbilities(); -} - - - - - -void cProtocol172::HandlePacketPlayerLook(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEFloat, float, Yaw); - HANDLE_READ(ReadBEFloat, float, Pitch); - HANDLE_READ(ReadBool, bool, IsOnGround); - m_Client->HandlePlayerLook(Yaw, Pitch, IsOnGround); -} - - - - - -void cProtocol172::HandlePacketPlayerPos(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEDouble, double, PosX); - HANDLE_READ(ReadBEDouble, double, PosY); - HANDLE_READ(ReadBEDouble, double, Stance); - HANDLE_READ(ReadBEDouble, double, PosZ); - HANDLE_READ(ReadBool, bool, IsOnGround); - m_Client->HandlePlayerPos(PosX, PosY, PosZ, Stance, IsOnGround); -} - - - - - -void cProtocol172::HandlePacketPlayerPosLook(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEDouble, double, PosX); - HANDLE_READ(ReadBEDouble, double, PosY); - HANDLE_READ(ReadBEDouble, double, Stance); - HANDLE_READ(ReadBEDouble, double, PosZ); - HANDLE_READ(ReadBEFloat, float, Yaw); - HANDLE_READ(ReadBEFloat, float, Pitch); - HANDLE_READ(ReadBool, bool, IsOnGround); - m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, Stance, Yaw, Pitch, IsOnGround); -} - - - - - -void cProtocol172::HandlePacketPluginMessage(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadVarUTF8String, AString, Channel); - HANDLE_READ(ReadBEShort, short, Length); - AString Data; - m_ReceivedData.ReadString(Data, Length); - // TODO: m_Client->HandlePluginMessage(Channel, Data); -} - - - - - -void cProtocol172::HandlePacketSlotSelect(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEShort, short, SlotNum); - m_Client->HandleSlotSelected(SlotNum); -} - - - - - -void cProtocol172::HandlePacketSteerVehicle(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEFloat, float, Forward); - HANDLE_READ(ReadBEFloat, float, Sideways); - HANDLE_READ(ReadBool, bool, ShouldJump); - HANDLE_READ(ReadBool, bool, ShouldUnmount); - if (ShouldUnmount) - { - m_Client->HandleUnmount(); - } - else - { - m_Client->HandleSteerVehicle(Forward, Sideways); - } -} - - - - - -void cProtocol172::HandlePacketTabComplete(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadVarUTF8String, AString, Text); - m_Client->HandleTabCompletion(Text); -} - - - - - -void cProtocol172::HandlePacketUpdateSign(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEInt, int, BlockX); - HANDLE_READ(ReadBEShort, short, BlockY); - HANDLE_READ(ReadBEInt, int, BlockZ); - HANDLE_READ(ReadVarUTF8String, AString, Line1); - HANDLE_READ(ReadVarUTF8String, AString, Line2); - HANDLE_READ(ReadVarUTF8String, AString, Line3); - HANDLE_READ(ReadVarUTF8String, AString, Line4); - m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4); -} - - - - - -void cProtocol172::HandlePacketUseEntity(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadBEInt, int, EntityID); - HANDLE_READ(ReadByte, Byte, MouseButton); - m_Client->HandleUseEntity(EntityID, (MouseButton == 1)); -} - - - - - -void cProtocol172::HandlePacketWindowClick(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadChar, char, WindowID); - HANDLE_READ(ReadBEShort, short, SlotNum); - HANDLE_READ(ReadByte, Byte, Button); - HANDLE_READ(ReadBEShort, short, TransactionID); - HANDLE_READ(ReadByte, Byte, Mode); - cItem Item; - ReadItem(Item); - - // Convert Button, Mode, SlotNum and HeldItem into eClickAction: - eClickAction Action; - switch ((Mode << 8) | Button) - { - case 0x0000: Action = (SlotNum != -999) ? caLeftClick : caLeftClickOutside; break; - case 0x0001: Action = (SlotNum != -999) ? caRightClick : caRightClickOutside; break; - case 0x0100: Action = caShiftLeftClick; break; - case 0x0101: Action = caShiftRightClick; break; - case 0x0200: Action = caNumber1; break; - case 0x0201: Action = caNumber2; break; - case 0x0202: Action = caNumber3; break; - case 0x0203: Action = caNumber4; break; - case 0x0204: Action = caNumber5; break; - case 0x0205: Action = caNumber6; break; - case 0x0206: Action = caNumber7; break; - case 0x0207: Action = caNumber8; break; - case 0x0208: Action = caNumber9; break; - case 0x0300: Action = caMiddleClick; break; - case 0x0400: Action = (SlotNum == -999) ? caLeftClickOutsideHoldNothing : caDropKey; break; - case 0x0401: Action = (SlotNum == -999) ? caRightClickOutsideHoldNothing : caCtrlDropKey; break; - case 0x0500: Action = (SlotNum == -999) ? caLeftPaintBegin : caUnknown; break; - case 0x0501: Action = (SlotNum != -999) ? caLeftPaintProgress : caUnknown; break; - case 0x0502: Action = (SlotNum == -999) ? caLeftPaintEnd : caUnknown; break; - case 0x0504: Action = (SlotNum == -999) ? caRightPaintBegin : caUnknown; break; - case 0x0505: Action = (SlotNum != -999) ? caRightPaintProgress : caUnknown; break; - case 0x0506: Action = (SlotNum == -999) ? caRightPaintEnd : caUnknown; break; - case 0x0600: Action = caDblClick; break; - } - - m_Client->HandleWindowClick(WindowID, SlotNum, Action, Item); -} - - - - - -void cProtocol172::HandlePacketWindowClose(UInt32 a_RemainingBytes) -{ - HANDLE_READ(ReadChar, char, WindowID); - m_Client->HandleWindowClose(WindowID); -} - - - - - -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); - } -} - - - - - - -bool cProtocol172::ReadItem(cItem & a_Item) -{ - HANDLE_PACKET_READ(ReadBEShort, short, ItemType); - if (ItemType == -1) - { - // The item is empty, no more data follows - a_Item.Empty(); - return true; - } - a_Item.m_ItemType = ItemType; - - HANDLE_PACKET_READ(ReadChar, char, ItemCount); - HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage); - a_Item.m_ItemCount = ItemCount; - a_Item.m_ItemDamage = ItemDamage; - if (ItemCount <= 0) - { - a_Item.Empty(); - } - - HANDLE_PACKET_READ(ReadBEShort, short, MetadataLength); - if (MetadataLength <= 0) - { - return true; - } - - // Read the metadata - AString Metadata; - if (!m_ReceivedData.ReadString(Metadata, MetadataLength)) - { - return false; - } - - ParseItemMetadata(a_Item, Metadata); - return true; -} - - - - - -void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata) -{ - // Uncompress the GZIPped data: - AString Uncompressed; - if (UncompressStringGZIP(a_Metadata.data(), a_Metadata.size(), Uncompressed) != Z_OK) - { - AString HexDump; - CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16); - LOGWARNING("Cannot unGZIP item metadata (%u bytes):\n%s", a_Metadata.size(), HexDump.c_str()); - return; - } - - // Parse into NBT: - cParsedNBT NBT(Uncompressed.data(), Uncompressed.size()); - if (!NBT.IsValid()) - { - AString HexDump; - CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16); - LOGWARNING("Cannot parse NBT item metadata: (%u bytes)\n%s", Uncompressed.size(), HexDump.c_str()); - return; - } - - // Load enchantments from the NBT: - for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag)) - { - if ( - (NBT.GetType(tag) == TAG_List) && - ( - (NBT.GetName(tag) == "ench") || - (NBT.GetName(tag) == "StoredEnchantments") - ) - ) - { - a_Item.m_Enchantments.ParseFromNBT(NBT, tag); - } - } -} - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// 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::etMinecart: - { - WriteByte(0x51); - - // The following expression makes Minecarts shake more with less health or higher damage taken - // It gets half the maximum health, and takes it away from the current health minus the half health: - /* Health: 5 | 3 - (5 - 3) = 1 (shake power) - Health: 3 | 3 - (3 - 3) = 3 - Health: 1 | 3 - (1 - 3) = 5 - */ - WriteInt((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * ((const cMinecart &)a_Entity).LastDamage()) * 4); - WriteByte(0x52); - WriteInt(1); // Shaking direction, doesn't seem to affect anything - WriteByte(0x73); - WriteFloat((float)(((const cMinecart &)a_Entity).LastDamage() + 10)); // Damage taken / shake effect multiplyer - - if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpFurnace) - { - WriteByte(0x10); - WriteByte(((const cMinecartWithFurnace &)a_Entity).IsFueled() ? 1 : 0); - } - break; - } - case cEntity::etProjectile: - { - if (((cProjectileEntity &)a_Entity).GetProjectileKind() == cProjectileEntity::pkArrow) - { - WriteByte(0x10); - WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0); - } - break; - } - case cEntity::etMonster: - { - WriteMobMetadata((const cMonster &)a_Entity); - break; - } - } -} - - - - - -void cProtocol172::cPacketizer::WriteMobMetadata(const cMonster & a_Mob) -{ - switch (a_Mob.GetMobType()) - { - case cMonster::mtCreeper: - { - WriteByte(0x10); - WriteByte(((const cCreeper &)a_Mob).IsBlowing() ? 1 : -1); - WriteByte(0x11); - WriteByte(((const cCreeper &)a_Mob).IsCharged() ? 1 : 0); - break; - } - - case cMonster::mtBat: - { - WriteByte(0x10); - WriteByte(((const cBat &)a_Mob).IsHanging() ? 1 : 0); - break; - } - - case cMonster::mtPig: - { - WriteByte(0x10); - WriteByte(((const cPig &)a_Mob).IsSaddled() ? 1 : 0); - break; - } - - case cMonster::mtVillager: - { - WriteByte(0x50); - WriteInt(((const cVillager &)a_Mob).GetVilType()); - break; - } - - case cMonster::mtZombie: - { - WriteByte(0x0c); - WriteByte(((const cZombie &)a_Mob).IsBaby() ? 1 : 0); - WriteByte(0x0d); - WriteByte(((const cZombie &)a_Mob).IsVillagerZombie() ? 1 : 0); - WriteByte(0x0e); - WriteByte(((const cZombie &)a_Mob).IsConverting() ? 1 : 0); - break; - } - - case cMonster::mtGhast: - { - WriteByte(0x10); - WriteByte(((const cGhast &)a_Mob).IsCharging()); - break; - } - - case cMonster::mtWolf: - { - const cWolf & Wolf = (const cWolf &)a_Mob; - Byte WolfStatus = 0; - if (Wolf.IsSitting()) - { - WolfStatus |= 0x1; - } - if (Wolf.IsAngry()) - { - WolfStatus |= 0x2; - } - if (Wolf.IsTame()) - { - WolfStatus |= 0x4; - } - WriteByte(0x10); - WriteByte(WolfStatus); - - WriteByte(0x72); - WriteFloat((float)(a_Mob.GetHealth())); - WriteByte(0x13); - WriteByte(Wolf.IsBegging() ? 1 : 0); - WriteByte(0x14); - WriteByte(Wolf.GetCollarColor()); - break; - } - - case cMonster::mtSheep: - { - WriteByte(0x10); - Byte SheepMetadata = 0; - SheepMetadata = ((const cSheep &)a_Mob).GetFurColor(); - if (((const cSheep &)a_Mob).IsSheared()) - { - SheepMetadata |= 0x10; - } - WriteByte(SheepMetadata); - break; - } - - case cMonster::mtEnderman: - { - WriteByte(0x10); - WriteByte((Byte)(((const cEnderman &)a_Mob).GetCarriedBlock())); - WriteByte(0x11); - WriteByte((Byte)(((const cEnderman &)a_Mob).GetCarriedMeta())); - WriteByte(0x12); - WriteByte(((const cEnderman &)a_Mob).IsScreaming() ? 1 : 0); - break; - } - - case cMonster::mtSkeleton: - { - WriteByte(0x0d); - WriteByte(((const cSkeleton &)a_Mob).IsWither() ? 1 : 0); - break; - } - - case cMonster::mtWitch: - { - WriteByte(0x15); - WriteByte(((const cWitch &)a_Mob).IsAngry() ? 1 : 0); - break; - } - - case cMonster::mtSlime: - { - WriteByte(0x10); - WriteByte(((const cSlime &)a_Mob).GetSize()); - break; - } - - case cMonster::mtMagmaCube: - { - WriteByte(0x10); - WriteByte(((const cMagmaCube &)a_Mob).GetSize()); - break; - } - - case cMonster::mtHorse: - { - const cHorse & Horse = (const cHorse &)a_Mob; - int Flags = 0; - if (Horse.IsTame()) - { - Flags |= 0x02; - } - if (Horse.IsSaddled()) - { - Flags |= 0x04; - } - if (Horse.IsChested()) - { - Flags |= 0x08; - } - if (Horse.IsBaby()) - { - Flags |= 0x10; - } - if (Horse.IsEating()) - { - Flags |= 0x20; - } - if (Horse.IsRearing()) - { - Flags |= 0x40; - } - if (Horse.IsMthOpen()) - { - Flags |= 0x80; - } - WriteByte(0x50); // Int at index 16 - WriteInt(Flags); - WriteByte(0x13); // Byte at index 19 - WriteByte(Horse.GetHorseType()); - WriteByte(0x54); // Int at index 20 - int Appearance = 0; - Appearance = Horse.GetHorseColor(); - Appearance |= Horse.GetHorseStyle() << 8; - WriteInt(Appearance); - WriteByte(0x56); // Int at index 22 - WriteInt(Horse.GetHorseArmour()); - break; - } - } // switch (a_Mob.GetType()) -} - - - - - -void cProtocol172::cPacketizer::WriteEntityProperties(const cEntity & a_Entity) -{ - if (!a_Entity.IsMob()) - { - // No properties for anything else than mobs - WriteInt(0); - return; - } - const cMonster & Mob = (const cMonster &)a_Entity; - - // TODO: Send properties and modifiers based on the mob type - - WriteInt(0); // NumProperties -} - - - - |