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authorMattes D <github@xoft.cz>2016-12-16 00:28:12 +0100
committerGitHub <noreply@github.com>2016-12-16 00:28:12 +0100
commit71e14ee358e59314498e9b46484eff7e34ae6442 (patch)
tree56ca5369d83504ac063dbc3139f72dc2cdf42610 /src/Protocol/Protocol_1_9.cpp
parentAPIDump: Load the official undocumented from alternate location. (diff)
parentCompositeChat: Use shorter JSON format. (diff)
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Diffstat (limited to 'src/Protocol/Protocol_1_9.cpp')
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diff --git a/src/Protocol/Protocol_1_9.cpp b/src/Protocol/Protocol_1_9.cpp
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+
+// Protocol_1_9.cpp
+
+/*
+Implements the 1.9 protocol classes:
+ - cProtocol_1_9_0
+ - release 1.9 protocol (#107)
+ - cProtocol_1_9_1
+ - release 1.9.1 protocol (#108)
+ - cProtocol_1_9_2
+ - release 1.9.2 protocol (#109)
+ - cProtocol_1_9_4
+ - release 1.9.4 protocol (#110)
+*/
+
+#include "Globals.h"
+#include "json/json.h"
+#include "Protocol_1_9.h"
+#include "ChunkDataSerializer.h"
+#include "PolarSSL++/Sha1Checksum.h"
+#include "Packetizer.h"
+
+#include "../ClientHandle.h"
+#include "../Root.h"
+#include "../Server.h"
+#include "../World.h"
+#include "../EffectID.h"
+#include "../StringCompression.h"
+#include "../CompositeChat.h"
+#include "../Statistics.h"
+
+#include "../WorldStorage/FastNBT.h"
+#include "../WorldStorage/EnchantmentSerializer.h"
+
+#include "../Entities/Boat.h"
+#include "../Entities/ExpOrb.h"
+#include "../Entities/Minecart.h"
+#include "../Entities/FallingBlock.h"
+#include "../Entities/Painting.h"
+#include "../Entities/Pickup.h"
+#include "../Entities/Player.h"
+#include "../Entities/ItemFrame.h"
+#include "../Entities/ArrowEntity.h"
+#include "../Entities/FireworkEntity.h"
+#include "../Entities/SplashPotionEntity.h"
+
+#include "../Items/ItemSpawnEgg.h"
+
+#include "../Mobs/IncludeAllMonsters.h"
+#include "../UI/Window.h"
+
+#include "../BlockEntities/BeaconEntity.h"
+#include "../BlockEntities/CommandBlockEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
+#include "../BlockEntities/MobSpawnerEntity.h"
+#include "../BlockEntities/FlowerPotEntity.h"
+#include "Bindings/PluginManager.h"
+
+
+
+
+
+/** The slot number that the client uses to indicate "outside the window". */
+static const Int16 SLOT_NUM_OUTSIDE = -999;
+
+
+
+
+
+#define HANDLE_READ(ByteBuf, Proc, Type, Var) \
+ Type Var; \
+ if (!ByteBuf.Proc(Var))\
+ {\
+ return;\
+ }
+
+
+
+
+
+#define HANDLE_PACKET_READ(ByteBuf, Proc, Type, Var) \
+ Type Var; \
+ { \
+ if (!ByteBuf.Proc(Var)) \
+ { \
+ ByteBuf.CheckValid(); \
+ return false; \
+ } \
+ ByteBuf.CheckValid(); \
+ }
+
+
+
+
+
+const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows...
+const uLongf MAX_COMPRESSED_PACKET_LEN = 200 KiB; // Maximum size of compressed packets.
+
+
+
+
+
+// fwd: main.cpp:
+extern bool g_ShouldLogCommIn, g_ShouldLogCommOut;
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cProtocol_1_9_0:
+
+cProtocol_1_9_0::cProtocol_1_9_0(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_IsEncrypted(false)
+{
+
+ // BungeeCord handling:
+ // If BC is setup with ip_forward == true, it sends additional data in the login packet's ServerAddress field:
+ // hostname\00ip-address\00uuid\00profile-properties-as-json
+ AStringVector Params;
+ if (cRoot::Get()->GetServer()->ShouldAllowBungeeCord() && SplitZeroTerminatedStrings(a_ServerAddress, Params) && (Params.size() == 4))
+ {
+ LOGD("Player at %s connected via BungeeCord", Params[1].c_str());
+ m_ServerAddress = Params[0];
+ m_Client->SetIPString(Params[1]);
+ m_Client->SetUUID(cMojangAPI::MakeUUIDShort(Params[2]));
+ m_Client->SetProperties(Params[3]);
+ }
+
+ // Create the comm log file, if so requested:
+ if (g_ShouldLogCommIn || g_ShouldLogCommOut)
+ {
+ static int sCounter = 0;
+ cFile::CreateFolder("CommLogs");
+ AString IP(a_Client->GetIPString());
+ ReplaceString(IP, ":", "_");
+ AString FileName = Printf("CommLogs/%x_%d__%s.log",
+ static_cast<unsigned>(time(nullptr)),
+ sCounter++,
+ IP.c_str()
+ );
+ if (!m_CommLogFile.Open(FileName, cFile::fmWrite))
+ {
+ LOG("Cannot log communication to file, the log file \"%s\" cannot be opened for writing.", FileName.c_str());
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::DataReceived(const char * a_Data, size_t a_Size)
+{
+ if (m_IsEncrypted)
+ {
+ Byte Decrypted[512];
+ while (a_Size > 0)
+ {
+ size_t NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
+ m_Decryptor.ProcessData(Decrypted, reinterpret_cast<const Byte *>(a_Data), NumBytes);
+ AddReceivedData(reinterpret_cast<const char *>(Decrypted), NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ AddReceivedData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle)
+{
+ ASSERT(m_State == 3); // In game mode?
+ cPacketizer Pkt(*this, 0x40); // Set passangers packet
+ Pkt.WriteVarInt32(a_Vehicle.GetUniqueID());
+ Pkt.WriteVarInt32(1); // 1 passenger
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0a); // Block Action packet
+ Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteBEInt8(a_Byte1);
+ Pkt.WriteBEInt8(a_Byte2);
+ Pkt.WriteVarInt32(a_BlockType);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendBlockBreakAnim(UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x08); // Block Break Animation packet
+ Pkt.WriteVarInt32(a_EntityID);
+ Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteBEInt8(a_Stage);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0b); // Block Change packet
+ Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteVarInt32((static_cast<UInt32>(a_BlockType) << 4) | (static_cast<UInt32>(a_BlockMeta) & 15));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x10); // Multi Block Change packet
+ Pkt.WriteBEInt32(a_ChunkX);
+ Pkt.WriteBEInt32(a_ChunkZ);
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Changes.size()));
+ for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr)
+ {
+ Int16 Coords = static_cast<Int16>(itr->m_RelY | (itr->m_RelZ << 8) | (itr->m_RelX << 12));
+ Pkt.WriteBEInt16(Coords);
+ Pkt.WriteVarInt32(static_cast<UInt32>(itr->m_BlockType & 0xFFF) << 4 | (itr->m_BlockMeta & 0xF));
+ } // for itr - a_Changes[]
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendCameraSetTo(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x36); // Camera Packet (Attach the camera of a player at another entity in spectator mode)
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendChat(const AString & a_Message, eChatType a_Type)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ SendChatRaw(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str()), a_Type);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendChat(const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ SendChatRaw(a_Message.CreateJsonString(a_ShouldUseChatPrefixes), a_Type);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendChatRaw(const AString & a_MessageRaw, eChatType a_Type)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ // Send the json string to the client:
+ cPacketizer Pkt(*this, 0x0f); // Chat Message packet
+ Pkt.WriteString(a_MessageRaw);
+ Pkt.WriteBEInt8(a_Type);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ // 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_9_0, a_ChunkX, a_ChunkZ);
+
+ cCSLock Lock(m_CSPacket);
+ SendData(ChunkData.data(), ChunkData.size());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player, int a_Count)
+{
+ UNUSED(a_Count);
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x49); // Collect Item packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteVarInt32(a_Player.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendDestroyEntity(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x30); // Destroy Entities packet
+ Pkt.WriteVarInt32(1);
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle)
+{
+ ASSERT(m_State == 3); // In game mode?
+ cPacketizer Pkt(*this, 0x40); // Set passangers packet
+ Pkt.WriteVarInt32(a_PreviousVehicle.GetUniqueID());
+ Pkt.WriteVarInt32(0); // No passangers
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendDisconnect(const AString & a_Reason)
+{
+ switch (m_State)
+ {
+ case 2:
+ {
+ // During login:
+ cPacketizer Pkt(*this, 0);
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str()));
+ break;
+ }
+ case 3:
+ {
+ // In-game:
+ cPacketizer Pkt(*this, 0x1a);
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str()));
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2a); // Sign Editor Open packet
+ Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x4c); // Entity Effect packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID));
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_Amplifier));
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Duration));
+ Pkt.WriteBool(false); // Hide particles
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3c); // Entity Equipment packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ // Needs to be adjusted due to the insertion of offhand at slot 1
+ if (a_SlotNum > 0)
+ {
+ a_SlotNum++;
+ }
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_SlotNum));
+ WriteItem(Pkt, a_Item);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityHeadLook(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x34); // Entity Head Look packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetHeadYaw());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityLook(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x27); // Entity Look packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityMetadata(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x39); // Entity Metadata packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ WriteEntityMetadata(Pkt, a_Entity);
+ Pkt.WriteBEUInt8(0xff); // The termination byte
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityProperties(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x4b); // Entity Properties packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ WriteEntityProperties(Pkt, a_Entity);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x25); // Entity Relative Move packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ // TODO: 1.9 changed these from chars to shorts, meaning that there can be more percision and data. Other code needs to be updated for that.
+ Pkt.WriteBEInt16(a_RelX * 128);
+ Pkt.WriteBEInt16(a_RelY * 128);
+ Pkt.WriteBEInt16(a_RelZ * 128);
+ Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x26); // Entity Look And Relative Move packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ // TODO: 1.9 changed these from chars to shorts, meaning that there can be more percision and data. Other code needs to be updated for that.
+ Pkt.WriteBEInt16(a_RelX * 128);
+ Pkt.WriteBEInt16(a_RelY * 128);
+ Pkt.WriteBEInt16(a_RelZ * 128);
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityStatus(const cEntity & a_Entity, char a_Status)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1b); // Entity Status packet
+ Pkt.WriteBEUInt32(a_Entity.GetUniqueID());
+ Pkt.WriteBEInt8(a_Status);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityVelocity(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3b); // Entity Velocity packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ // 400 = 8000 / 20 ... Conversion from our speed in m / s to 8000 m / tick
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1c); // Explosion packet
+ Pkt.WriteBEFloat(static_cast<float>(a_BlockX));
+ Pkt.WriteBEFloat(static_cast<float>(a_BlockY));
+ Pkt.WriteBEFloat(static_cast<float>(a_BlockZ));
+ Pkt.WriteBEFloat(static_cast<float>(a_Radius));
+ Pkt.WriteBEUInt32(static_cast<UInt32>(a_BlocksAffected.size()));
+ for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(), end = a_BlocksAffected.end(); itr != end; ++itr)
+ {
+ Pkt.WriteBEInt8(static_cast<Int8>(itr->x));
+ Pkt.WriteBEInt8(static_cast<Int8>(itr->y));
+ Pkt.WriteBEInt8(static_cast<Int8>(itr->z));
+ } // for itr - a_BlockAffected[]
+ Pkt.WriteBEFloat(static_cast<float>(a_PlayerMotion.x));
+ Pkt.WriteBEFloat(static_cast<float>(a_PlayerMotion.y));
+ Pkt.WriteBEFloat(static_cast<float>(a_PlayerMotion.z));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendGameMode(eGameMode a_GameMode)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1e); // Change Game State packet
+ Pkt.WriteBEUInt8(3); // Reason: Change game mode
+ Pkt.WriteBEFloat(static_cast<float>(a_GameMode)); // The protocol really represents the value with a float!
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendHealth(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3e); // Update Health packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteBEFloat(static_cast<float>(Player->GetHealth()));
+ Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetFoodLevel()));
+ Pkt.WriteBEFloat(static_cast<float>(Player->GetFoodSaturationLevel()));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendHideTitle(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x45); // Title packet
+ Pkt.WriteVarInt32(3); // Hide title
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x16); // Set Slot packet
+ Pkt.WriteBEInt8(a_WindowID);
+ Pkt.WriteBEInt16(a_SlotNum);
+ WriteItem(Pkt, a_Item);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendKeepAlive(UInt32 a_PingID)
+{
+ // Drop the packet if the protocol is not in the Game state yet (caused a client crash):
+ if (m_State != 3)
+ {
+ LOGWARNING("Trying to send a KeepAlive packet to a player who's not yet fully logged in (%d). The protocol class prevented the packet.", m_State);
+ return;
+ }
+
+ cPacketizer Pkt(*this, 0x1f); // Keep Alive packet
+ Pkt.WriteVarInt32(a_PingID);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+{
+ // Send the Join Game packet:
+ {
+ cServer * Server = cRoot::Get()->GetServer();
+ cPacketizer Pkt(*this, 0x23); // Join Game packet
+ Pkt.WriteBEUInt32(a_Player.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_Player.GetEffectiveGameMode()) | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4
+ Pkt.WriteBEInt8(static_cast<Int8>(a_World.GetDimension()));
+ Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteBEUInt8(static_cast<UInt8>(Clamp<int>(Server->GetMaxPlayers(), 0, 255)));
+ Pkt.WriteString("default"); // Level type - wtf?
+ Pkt.WriteBool(false); // Reduced Debug Info - wtf?
+ }
+
+ // Send the spawn position:
+ {
+ cPacketizer Pkt(*this, 0x43); // Spawn Position packet
+ Pkt.WritePosition64(FloorC(a_World.GetSpawnX()), FloorC(a_World.GetSpawnY()), FloorC(a_World.GetSpawnZ()));
+ }
+
+ // Send the server difficulty:
+ {
+ cPacketizer Pkt(*this, 0x0d); // Server difficulty packet
+ Pkt.WriteBEInt8(1);
+ }
+
+ // Send player abilities:
+ SendPlayerAbilities();
+}
+
+
+
+
+void cProtocol_1_9_0::SendLoginSuccess(void)
+{
+ ASSERT(m_State == 2); // State: login?
+
+ // Enable compression:
+ {
+ cPacketizer Pkt(*this, 0x03); // Set compression packet
+ Pkt.WriteVarInt32(256);
+ }
+
+ m_State = 3; // State = Game
+
+ {
+ cPacketizer Pkt(*this, 0x02); // Login success packet
+ Pkt.WriteString(cMojangAPI::MakeUUIDDashed(m_Client->GetUUID()));
+ Pkt.WriteString(m_Client->GetUsername());
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPaintingSpawn(const cPainting & a_Painting)
+{
+ ASSERT(m_State == 3); // In game mode?
+ double PosX = a_Painting.GetPosX();
+ double PosY = a_Painting.GetPosY();
+ double PosZ = a_Painting.GetPosZ();
+
+ cPacketizer Pkt(*this, 0x04); // Spawn Painting packet
+ Pkt.WriteVarInt32(a_Painting.GetUniqueID());
+ // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
+ Pkt.WriteBEUInt64(0);
+ Pkt.WriteBEUInt64(a_Painting.GetUniqueID());
+ Pkt.WriteString(a_Painting.GetName().c_str());
+ Pkt.WritePosition64(static_cast<Int32>(PosX), static_cast<Int32>(PosY), static_cast<Int32>(PosZ));
+ Pkt.WriteBEInt8(static_cast<Int8>(a_Painting.GetProtocolFacing()));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendMapData(const cMap & a_Map, int a_DataStartX, int a_DataStartY)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x24); // Map packet
+ Pkt.WriteVarInt32(a_Map.GetID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_Map.GetScale()));
+
+ Pkt.WriteBool(true);
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetDecorators().size()));
+ for (const auto & Decorator : a_Map.GetDecorators())
+ {
+ Pkt.WriteBEUInt8(static_cast<Byte>((static_cast<Int32>(Decorator.GetType()) << 4) | (Decorator.GetRot() & 0xF)));
+ Pkt.WriteBEUInt8(static_cast<UInt8>(Decorator.GetPixelX()));
+ Pkt.WriteBEUInt8(static_cast<UInt8>(Decorator.GetPixelZ()));
+ }
+
+ Pkt.WriteBEUInt8(128);
+ Pkt.WriteBEUInt8(128);
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_DataStartX));
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_DataStartY));
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Map.GetData().size()));
+ for (auto itr = a_Map.GetData().cbegin(); itr != a_Map.GetData().cend(); ++itr)
+ {
+ Pkt.WriteBEUInt8(*itr);
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPickupSpawn(const cPickup & a_Pickup)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ { // TODO Use SendSpawnObject
+ cPacketizer Pkt(*this, 0x00); // Spawn Object packet
+ Pkt.WriteVarInt32(a_Pickup.GetUniqueID());
+ // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
+ Pkt.WriteBEUInt64(0);
+ Pkt.WriteBEUInt64(a_Pickup.GetUniqueID());
+ Pkt.WriteBEUInt8(2); // Type = Pickup
+ Pkt.WriteBEDouble(a_Pickup.GetPosX());
+ Pkt.WriteBEDouble(a_Pickup.GetPosY());
+ Pkt.WriteBEDouble(a_Pickup.GetPosZ());
+ Pkt.WriteByteAngle(a_Pickup.GetYaw());
+ Pkt.WriteByteAngle(a_Pickup.GetPitch());
+ Pkt.WriteBEInt32(0); // No object data
+ Pkt.WriteBEInt16(0); // No velocity
+ Pkt.WriteBEInt16(0);
+ Pkt.WriteBEInt16(0);
+ }
+
+ SendEntityMetadata(a_Pickup);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerAbilities(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2b); // Player Abilities packet
+ Byte Flags = 0;
+ cPlayer * Player = m_Client->GetPlayer();
+ if (Player->IsGameModeCreative())
+ {
+ Flags |= 0x01;
+ Flags |= 0x08; // Godmode, used for creative
+ }
+ if (Player->IsFlying())
+ {
+ Flags |= 0x02;
+ }
+ if (Player->CanFly())
+ {
+ Flags |= 0x04;
+ }
+ Pkt.WriteBEUInt8(Flags);
+ Pkt.WriteBEFloat(static_cast<float>(0.05 * Player->GetFlyingMaxSpeed()));
+ Pkt.WriteBEFloat(static_cast<float>(0.1 * Player->GetNormalMaxSpeed()));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendEntityAnimation(const cEntity & a_Entity, char a_Animation)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x06); // Animation packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteBEInt8(a_Animation);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendParticleEffect(const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmount)
+{
+ ASSERT(m_State == 3); // In game mode?
+ int ParticleID = GetParticleID(a_ParticleName);
+
+ cPacketizer Pkt(*this, 0x22); // Particle effect packet
+ Pkt.WriteBEInt32(ParticleID);
+ Pkt.WriteBool(false);
+ Pkt.WriteBEFloat(a_SrcX);
+ Pkt.WriteBEFloat(a_SrcY);
+ Pkt.WriteBEFloat(a_SrcZ);
+ Pkt.WriteBEFloat(a_OffsetX);
+ Pkt.WriteBEFloat(a_OffsetY);
+ Pkt.WriteBEFloat(a_OffsetZ);
+ Pkt.WriteBEFloat(a_ParticleData);
+ Pkt.WriteBEInt32(a_ParticleAmount);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendParticleEffect(const AString & a_ParticleName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data)
+{
+ ASSERT(m_State == 3); // In game mode?
+ int ParticleID = GetParticleID(a_ParticleName);
+
+ cPacketizer Pkt(*this, 0x22); // Particle effect packet
+ Pkt.WriteBEInt32(ParticleID);
+ Pkt.WriteBool(false);
+ Pkt.WriteBEFloat(a_Src.x);
+ Pkt.WriteBEFloat(a_Src.y);
+ Pkt.WriteBEFloat(a_Src.z);
+ Pkt.WriteBEFloat(a_Offset.x);
+ Pkt.WriteBEFloat(a_Offset.y);
+ Pkt.WriteBEFloat(a_Offset.z);
+ Pkt.WriteBEFloat(a_ParticleData);
+ Pkt.WriteBEInt32(a_ParticleAmount);
+ switch (ParticleID)
+ {
+ // iconcrack
+ case 36:
+ {
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[0]));
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[1]));
+ break;
+ }
+ // blockcrack
+ // blockdust
+ case 37:
+ case 38:
+ {
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Data[0]));
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerListAddPlayer(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet
+ Pkt.WriteVarInt32(0);
+ Pkt.WriteVarInt32(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+ Pkt.WriteString(a_Player.GetPlayerListName());
+
+ const Json::Value & Properties = a_Player.GetClientHandle()->GetProperties();
+ Pkt.WriteVarInt32(Properties.size());
+ for (auto & Node : Properties)
+ {
+ Pkt.WriteString(Node.get("name", "").asString());
+ Pkt.WriteString(Node.get("value", "").asString());
+ AString Signature = Node.get("signature", "").asString();
+ if (Signature.empty())
+ {
+ Pkt.WriteBool(false);
+ }
+ else
+ {
+ Pkt.WriteBool(true);
+ Pkt.WriteString(Signature);
+ }
+ }
+
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetGameMode()));
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetClientHandle()->GetPing()));
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerListRemovePlayer(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet
+ Pkt.WriteVarInt32(4);
+ Pkt.WriteVarInt32(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerListUpdateGameMode(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet
+ Pkt.WriteVarInt32(1);
+ Pkt.WriteVarInt32(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Player.GetGameMode()));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerListUpdatePing(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ auto ClientHandle = a_Player.GetClientHandlePtr();
+ if (ClientHandle != nullptr)
+ {
+ cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet
+ Pkt.WriteVarInt32(2);
+ Pkt.WriteVarInt32(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+ Pkt.WriteVarInt32(static_cast<UInt32>(ClientHandle->GetPing()));
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2d); // Playerlist Item packet
+ Pkt.WriteVarInt32(3);
+ Pkt.WriteVarInt32(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+
+ if (a_CustomName.empty())
+ {
+ Pkt.WriteBool(false);
+ }
+ else
+ {
+ Pkt.WriteBool(true);
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_CustomName.c_str()));
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerMaxSpeed(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x4b); // Entity Properties
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteVarInt32(Player->GetUniqueID());
+ Pkt.WriteBEInt32(1); // Count
+ Pkt.WriteString("generic.movementSpeed");
+ // The default game speed is 0.1, multiply that value by the relative speed:
+ Pkt.WriteBEDouble(0.1 * Player->GetNormalMaxSpeed());
+ if (Player->IsSprinting())
+ {
+ Pkt.WriteVarInt32(1); // Modifier count
+ Pkt.WriteBEUInt64(0x662a6b8dda3e4c1c);
+ Pkt.WriteBEUInt64(0x881396ea6097278d); // UUID of the modifier
+ Pkt.WriteBEDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed());
+ Pkt.WriteBEUInt8(2);
+ }
+ else
+ {
+ Pkt.WriteVarInt32(0); // Modifier count
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerMoveLook(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2e); // Player Position And Look packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteBEDouble(Player->GetPosX());
+ Pkt.WriteBEDouble(Player->GetPosY());
+ Pkt.WriteBEDouble(Player->GetPosZ());
+ Pkt.WriteBEFloat(static_cast<float>(Player->GetYaw()));
+ Pkt.WriteBEFloat(static_cast<float>(Player->GetPitch()));
+ Pkt.WriteBEUInt8(0);
+ Pkt.WriteVarInt32(0); // Teleport ID - not implemented here
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerPosition(void)
+{
+ // There is no dedicated packet for this, send the whole thing:
+ SendPlayerMoveLook();
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPlayerSpawn(const cPlayer & a_Player)
+{
+ // Called to spawn another player for the client
+ cPacketizer Pkt(*this, 0x05); // Spawn Player packet
+ Pkt.WriteVarInt32(a_Player.GetUniqueID());
+ Pkt.WriteUUID(cMojangAPI::MakeUUIDShort(a_Player.GetUUID()));
+ Pkt.WriteBEDouble(a_Player.GetPosX());
+ Pkt.WriteBEDouble(a_Player.GetPosY() + 0.001); // The "+ 0.001" is there because otherwise the player falls through the block they were standing on.
+ Pkt.WriteBEDouble(a_Player.GetPosZ());
+ Pkt.WriteByteAngle(a_Player.GetYaw());
+ Pkt.WriteByteAngle(a_Player.GetPitch());
+ WriteEntityMetadata(Pkt, a_Player);
+ Pkt.WriteBEUInt8(0xff); // Metadata: end
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendPluginMessage(const AString & a_Channel, const AString & a_Message)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x18); // Plugin message packet
+ Pkt.WriteString(a_Channel);
+ Pkt.WriteBuf(a_Message.data(), a_Message.size());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x31); // Remove entity effect packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendResetTitle(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x45); // Title packet
+ Pkt.WriteVarInt32(4); // Reset title
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendRespawn(eDimension a_Dimension)
+{
+ cPacketizer Pkt(*this, 0x33); // Respawn packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteBEInt32(static_cast<Int32>(a_Dimension));
+ Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteBEUInt8(static_cast<Byte>(Player->GetEffectiveGameMode()));
+ Pkt.WriteString("default");
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendExperience(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3d); // Experience Packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteBEFloat(Player->GetXpPercentage());
+ Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetXpLevel()));
+ Pkt.WriteVarInt32(static_cast<UInt32>(Player->GetCurrentXp()));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendExperienceOrb(const cExpOrb & a_ExpOrb)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x01); // Spawn experience orb packet
+ Pkt.WriteVarInt32(a_ExpOrb.GetUniqueID());
+ Pkt.WriteBEDouble(a_ExpOrb.GetPosX());
+ Pkt.WriteBEDouble(a_ExpOrb.GetPosY());
+ Pkt.WriteBEDouble(a_ExpOrb.GetPosZ());
+ Pkt.WriteBEInt16(static_cast<Int16>(a_ExpOrb.GetReward()));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3f); // Scoreboard objective packet
+ Pkt.WriteString(a_Name);
+ Pkt.WriteBEUInt8(a_Mode);
+ if ((a_Mode == 0) || (a_Mode == 2))
+ {
+ Pkt.WriteString(a_DisplayName);
+ Pkt.WriteString("integer");
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x42); // Update score packet
+ Pkt.WriteString(a_Player);
+ Pkt.WriteBEUInt8(a_Mode);
+ Pkt.WriteString(a_Objective);
+
+ if (a_Mode != 1)
+ {
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Score));
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x38); // Display scoreboard packet
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_Display));
+ Pkt.WriteString(a_Objective);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSetSubTitle(const cCompositeChat & a_SubTitle)
+{
+ SendSetRawSubTitle(a_SubTitle.CreateJsonString(false));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSetRawSubTitle(const AString & a_SubTitle)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x45); // Title packet
+ Pkt.WriteVarInt32(1); // Set subtitle
+
+ Pkt.WriteString(a_SubTitle);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSetTitle(const cCompositeChat & a_Title)
+{
+ SendSetRawTitle(a_Title.CreateJsonString(false));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSetRawTitle(const AString & a_Title)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x45); // Title packet
+ Pkt.WriteVarInt32(0); // Set title
+
+ Pkt.WriteString(a_Title);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x19); // Named sound effect packet
+ Pkt.WriteString(a_SoundName);
+ Pkt.WriteVarInt32(0); // Master sound category (may want to be changed to a parameter later)
+ Pkt.WriteBEInt32(static_cast<Int32>(a_X * 8.0));
+ Pkt.WriteBEInt32(static_cast<Int32>(a_Y * 8.0));
+ Pkt.WriteBEInt32(static_cast<Int32>(a_Z * 8.0));
+ Pkt.WriteBEFloat(a_Volume);
+ Pkt.WriteBEUInt8(static_cast<Byte>(a_Pitch * 63));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSoundParticleEffect(const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x21); // Effect packet
+ Pkt.WriteBEInt32(static_cast<int>(a_EffectID));
+ Pkt.WritePosition64(a_SrcX, a_SrcY, a_SrcZ);
+ Pkt.WriteBEInt32(a_Data);
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x00); // Spawn Object packet
+ Pkt.WriteVarInt32(a_FallingBlock.GetUniqueID());
+ // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
+ Pkt.WriteBEUInt64(0);
+ Pkt.WriteBEUInt64(a_FallingBlock.GetUniqueID());
+ Pkt.WriteBEUInt8(70); // Falling block
+ Pkt.WriteBEDouble(a_FallingBlock.GetPosX());
+ Pkt.WriteBEDouble(a_FallingBlock.GetPosY());
+ Pkt.WriteBEDouble(a_FallingBlock.GetPosZ());
+ Pkt.WriteByteAngle(a_FallingBlock.GetYaw());
+ Pkt.WriteByteAngle(a_FallingBlock.GetPitch());
+ Pkt.WriteBEInt32(static_cast<Int32>(a_FallingBlock.GetBlockType()) | (static_cast<Int32>(a_FallingBlock.GetBlockMeta()) << 12));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_FallingBlock.GetSpeedX() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_FallingBlock.GetSpeedY() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_FallingBlock.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSpawnMob(const cMonster & a_Mob)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x03); // Spawn Mob packet
+ Pkt.WriteVarInt32(a_Mob.GetUniqueID());
+ // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
+ Pkt.WriteBEUInt64(0);
+ Pkt.WriteBEUInt64(a_Mob.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<Byte>(a_Mob.GetMobType()));
+ Pkt.WriteBEDouble(a_Mob.GetPosX());
+ Pkt.WriteBEDouble(a_Mob.GetPosY());
+ Pkt.WriteBEDouble(a_Mob.GetPosZ());
+ Pkt.WriteByteAngle(a_Mob.GetPitch());
+ Pkt.WriteByteAngle(a_Mob.GetHeadYaw());
+ Pkt.WriteByteAngle(a_Mob.GetYaw());
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedX() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedY() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Mob.GetSpeedZ() * 400));
+ WriteEntityMetadata(Pkt, a_Mob);
+ Pkt.WriteBEUInt8(0xff); // Metadata terminator
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch)
+{
+ ASSERT(m_State == 3); // In game mode?
+ double PosX = a_Entity.GetPosX();
+ double PosZ = a_Entity.GetPosZ();
+ double Yaw = a_Entity.GetYaw();
+ if (a_ObjectType == 71)
+ {
+ FixItemFramePositions(a_ObjectData, PosX, PosZ, Yaw);
+ }
+
+ cPacketizer Pkt(*this, 0x00); // Spawn Object packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
+ Pkt.WriteBEUInt64(0);
+ Pkt.WriteBEUInt64(a_Entity.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_ObjectType));
+ Pkt.WriteBEDouble(PosX);
+ Pkt.WriteBEDouble(a_Entity.GetPosY());
+ Pkt.WriteBEDouble(PosZ);
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteByteAngle(Yaw);
+ Pkt.WriteBEInt32(a_ObjectData);
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Entity.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x00); // Spawn Object packet
+ Pkt.WriteVarInt32(a_Vehicle.GetUniqueID());
+ // TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
+ Pkt.WriteBEUInt64(0);
+ Pkt.WriteBEUInt64(a_Vehicle.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_VehicleType));
+ Pkt.WriteBEDouble(a_Vehicle.GetPosX());
+ Pkt.WriteBEDouble(a_Vehicle.GetPosY());
+ Pkt.WriteBEDouble(a_Vehicle.GetPosZ());
+ Pkt.WriteByteAngle(a_Vehicle.GetPitch());
+ Pkt.WriteByteAngle(a_Vehicle.GetYaw());
+ Pkt.WriteBEInt32(a_VehicleSubType);
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Vehicle.GetSpeedX() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Vehicle.GetSpeedY() * 400));
+ Pkt.WriteBEInt16(static_cast<Int16>(a_Vehicle.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendStatistics(const cStatManager & a_Manager)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x07); // Statistics packet
+ Pkt.WriteVarInt32(statCount); // TODO 2014-05-11 xdot: Optimization: Send "dirty" statistics only
+
+ size_t Count = static_cast<size_t>(statCount);
+ for (size_t i = 0; i < Count; ++i)
+ {
+ StatValue Value = a_Manager.GetValue(static_cast<eStatistic>(i));
+ const AString & StatName = cStatInfo::GetName(static_cast<eStatistic>(i));
+
+ Pkt.WriteString(StatName);
+ Pkt.WriteVarInt32(static_cast<UInt32>(Value));
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendTabCompletionResults(const AStringVector & a_Results)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0e); // Tab-Complete packet
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Results.size()));
+
+ for (AStringVector::const_iterator itr = a_Results.begin(), end = a_Results.end(); itr != end; ++itr)
+ {
+ Pkt.WriteString(*itr);
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendTeleportEntity(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x4a); // Entity teleport packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteBEDouble(a_Entity.GetPosX());
+ Pkt.WriteBEDouble(a_Entity.GetPosY());
+ Pkt.WriteBEDouble(a_Entity.GetPosZ());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x02); // Spawn Global Entity packet
+ Pkt.WriteVarInt32(0); // EntityID = 0, always
+ Pkt.WriteBEUInt8(1); // Type = Thunderbolt
+ Pkt.WriteBEDouble(a_BlockX);
+ Pkt.WriteBEDouble(a_BlockY);
+ Pkt.WriteBEDouble(a_BlockZ);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x45); // Title packet
+ Pkt.WriteVarInt32(2); // Set title display times
+
+ Pkt.WriteBEInt32(a_FadeInTicks);
+ Pkt.WriteBEInt32(a_DisplayTicks);
+ Pkt.WriteBEInt32(a_FadeOutTicks);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
+{
+ ASSERT(m_State == 3); // In game mode?
+ if (!a_DoDaylightCycle)
+ {
+ // When writing a "-" before the number the client ignores it but it will stop the client-side time expiration.
+ a_TimeOfDay = std::min(-a_TimeOfDay, -1LL);
+ }
+
+ cPacketizer Pkt(*this, 0x44); // Time update packet
+ Pkt.WriteBEInt64(a_WorldAge);
+ Pkt.WriteBEInt64(a_TimeOfDay);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1d); // Unload chunk packet
+ Pkt.WriteBEInt32(a_ChunkX);
+ Pkt.WriteBEInt32(a_ChunkZ);
+}
+
+
+
+
+void cProtocol_1_9_0::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x09); // Update tile entity packet
+ Pkt.WritePosition64(a_BlockEntity.GetPosX(), a_BlockEntity.GetPosY(), a_BlockEntity.GetPosZ());
+
+ Byte Action = 0;
+ switch (a_BlockEntity.GetBlockType())
+ {
+ case E_BLOCK_MOB_SPAWNER: Action = 1; break; // Update mob spawner spinny mob thing
+ case E_BLOCK_COMMAND_BLOCK: Action = 2; break; // Update command block text
+ case E_BLOCK_BEACON: Action = 3; break; // Update beacon entity
+ case E_BLOCK_HEAD: Action = 4; break; // Update Mobhead entity
+ case E_BLOCK_FLOWER_POT: Action = 5; break; // Update flower pot
+ default: ASSERT(!"Unhandled or unimplemented BlockEntity update request!"); break;
+ }
+ Pkt.WriteBEUInt8(Action);
+
+ WriteBlockEntity(Pkt, a_BlockEntity);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x46); // Update sign packet
+ Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
+
+ Json::StyledWriter JsonWriter;
+ AString Lines[] = { a_Line1, a_Line2, a_Line3, a_Line4 };
+ for (size_t i = 0; i < ARRAYCOUNT(Lines); i++)
+ {
+ Json::Value RootValue;
+ RootValue["text"] = Lines[i];
+ Pkt.WriteString(JsonWriter.write(RootValue).c_str());
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2f); // Use bed
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendWeather(eWeather a_Weather)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ {
+ cPacketizer Pkt(*this, 0x1e); // Change Game State packet
+ Pkt.WriteBEUInt8((a_Weather == wSunny) ? 1 : 2); // End rain / begin rain
+ Pkt.WriteBEFloat(0); // Unused for weather
+ }
+
+ // TODO: Fade effect, somehow
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendWholeInventory(const cWindow & a_Window)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x14); // Window Items packet
+ Pkt.WriteBEInt8(a_Window.GetWindowID());
+ Pkt.WriteBEInt16(static_cast<Int16>(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)
+ {
+ WriteItem(Pkt, *itr);
+ } // for itr - Slots[]
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendWindowClose(const cWindow & a_Window)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x12); // Close window packet
+ Pkt.WriteBEInt8(a_Window.GetWindowID());
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendWindowOpen(const cWindow & a_Window)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ if (a_Window.GetWindowType() < 0)
+ {
+ // Do not send this packet for player inventory windows
+ return;
+ }
+
+ cPacketizer Pkt(*this, 0x13); // Open window packet
+ Pkt.WriteBEInt8(a_Window.GetWindowID());
+ Pkt.WriteString(a_Window.GetWindowTypeName());
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", a_Window.GetWindowTitle().c_str()));
+
+ switch (a_Window.GetWindowType())
+ {
+ case cWindow::wtWorkbench:
+ case cWindow::wtEnchantment:
+ case cWindow::wtAnvil:
+ {
+ Pkt.WriteBEInt8(0);
+ break;
+ }
+ default:
+ {
+ Pkt.WriteBEInt8(static_cast<Int8>(a_Window.GetNumNonInventorySlots()));
+ break;
+ }
+ }
+
+ if (a_Window.GetWindowType() == cWindow::wtAnimalChest)
+ {
+ Pkt.WriteBEInt32(0); // TODO: The animal's EntityID
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x15); // Window Property packet
+ Pkt.WriteBEInt8(a_Window.GetWindowID());
+ Pkt.WriteBEInt16(a_Property);
+ Pkt.WriteBEInt16(a_Value);
+}
+
+
+
+
+
+bool cProtocol_1_9_0::CompressPacket(const AString & a_Packet, AString & a_CompressedData)
+{
+ // Compress the data:
+ char CompressedData[MAX_COMPRESSED_PACKET_LEN];
+
+ uLongf CompressedSize = compressBound(static_cast<uLongf>(a_Packet.size()));
+ if (CompressedSize >= MAX_COMPRESSED_PACKET_LEN)
+ {
+ ASSERT(!"Too high packet size.");
+ return false;
+ }
+
+ int Status = compress2(
+ reinterpret_cast<Bytef *>(CompressedData), &CompressedSize,
+ reinterpret_cast<const Bytef *>(a_Packet.data()), static_cast<uLongf>(a_Packet.size()), Z_DEFAULT_COMPRESSION
+ );
+ if (Status != Z_OK)
+ {
+ return false;
+ }
+
+ AString LengthData;
+ cByteBuffer Buffer(20);
+ Buffer.WriteVarInt32(static_cast<UInt32>(a_Packet.size()));
+ Buffer.ReadAll(LengthData);
+ Buffer.CommitRead();
+
+ Buffer.WriteVarInt32(static_cast<UInt32>(CompressedSize + LengthData.size()));
+ Buffer.WriteVarInt32(static_cast<UInt32>(a_Packet.size()));
+ Buffer.ReadAll(LengthData);
+ Buffer.CommitRead();
+
+ a_CompressedData.clear();
+ a_CompressedData.reserve(LengthData.size() + CompressedSize);
+ a_CompressedData.append(LengthData.data(), LengthData.size());
+ a_CompressedData.append(CompressedData, CompressedSize);
+ return true;
+}
+
+
+
+
+
+int cProtocol_1_9_0::GetParticleID(const AString & a_ParticleName)
+{
+ static bool IsInitialized = false;
+ static std::map<AString, int> ParticleMap;
+ if (!IsInitialized)
+ {
+ // Initialize the ParticleMap:
+ ParticleMap["explode"] = 0;
+ ParticleMap["largeexplode"] = 1;
+ ParticleMap["hugeexplosion"] = 2;
+ ParticleMap["fireworksspark"] = 3;
+ ParticleMap["bubble"] = 4;
+ ParticleMap["splash"] = 5;
+ ParticleMap["wake"] = 6;
+ ParticleMap["suspended"] = 7;
+ ParticleMap["depthsuspend"] = 8;
+ ParticleMap["crit"] = 9;
+ ParticleMap["magiccrit"] = 10;
+ ParticleMap["smoke"] = 11;
+ ParticleMap["largesmoke"] = 12;
+ ParticleMap["spell"] = 13;
+ ParticleMap["instantspell"] = 14;
+ ParticleMap["mobspell"] = 15;
+ ParticleMap["mobspellambient"] = 16;
+ ParticleMap["witchmagic"] = 17;
+ ParticleMap["dripwater"] = 18;
+ ParticleMap["driplava"] = 19;
+ ParticleMap["angryvillager"] = 20;
+ ParticleMap["happyVillager"] = 21;
+ ParticleMap["townaura"] = 22;
+ ParticleMap["note"] = 23;
+ ParticleMap["portal"] = 24;
+ ParticleMap["enchantmenttable"] = 25;
+ ParticleMap["flame"] = 26;
+ ParticleMap["lava"] = 27;
+ ParticleMap["footstep"] = 28;
+ ParticleMap["cloud"] = 29;
+ ParticleMap["reddust"] = 30;
+ ParticleMap["snowballpoof"] = 31;
+ ParticleMap["snowshovel"] = 32;
+ ParticleMap["slime"] = 33;
+ ParticleMap["heart"] = 34;
+ ParticleMap["barrier"] = 35;
+ ParticleMap["iconcrack"] = 36;
+ ParticleMap["blockcrack"] = 37;
+ ParticleMap["blockdust"] = 38;
+ ParticleMap["droplet"] = 39;
+ ParticleMap["take"] = 40;
+ ParticleMap["mobappearance"] = 41;
+ }
+
+ AString ParticleName = StrToLower(a_ParticleName);
+ if (ParticleMap.find(ParticleName) == ParticleMap.end())
+ {
+ LOGWARNING("Unknown particle: %s", a_ParticleName.c_str());
+ ASSERT(!"Unknown particle");
+ return 0;
+ }
+
+ return ParticleMap[ParticleName];
+}
+
+
+
+
+
+void cProtocol_1_9_0::FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw)
+{
+ switch (a_ObjectData)
+ {
+ case 0:
+ {
+ a_PosZ += 1;
+ a_Yaw = 0;
+ break;
+ }
+ case 1:
+ {
+ a_PosX -= 1;
+ a_Yaw = 90;
+ break;
+ }
+ case 2:
+ {
+ a_PosZ -= 1;
+ a_Yaw = 180;
+ break;
+ }
+ case 3:
+ {
+ a_PosX += 1;
+ a_Yaw = 270;
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::AddReceivedData(const char * a_Data, size_t a_Size)
+{
+ // Write the incoming data into the comm log file:
+ if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
+ {
+ if (m_ReceivedData.GetReadableSpace() > 0)
+ {
+ AString AllData;
+ size_t OldReadableSpace = m_ReceivedData.GetReadableSpace();
+ m_ReceivedData.ReadAll(AllData);
+ m_ReceivedData.ResetRead();
+ m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace);
+ ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace);
+ AString Hex;
+ CreateHexDump(Hex, AllData.data(), AllData.size(), 16);
+ m_CommLogFile.Printf("Incoming data, " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") unparsed bytes already present in buffer:\n%s\n",
+ AllData.size(), AllData.size(), Hex.c_str()
+ );
+ }
+ AString Hex;
+ CreateHexDump(Hex, a_Data, a_Size, 16);
+ m_CommLogFile.Printf("Incoming data: %u (0x%x) bytes: \n%s\n",
+ static_cast<unsigned>(a_Size), static_cast<unsigned>(a_Size), Hex.c_str()
+ );
+ m_CommLogFile.Flush();
+ }
+
+ 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:
+ for (;;)
+ {
+ UInt32 PacketLen;
+ if (!m_ReceivedData.ReadVarInt(PacketLen))
+ {
+ // Not enough data
+ m_ReceivedData.ResetRead();
+ break;
+ }
+ if (!m_ReceivedData.CanReadBytes(PacketLen))
+ {
+ // The full packet hasn't been received yet
+ m_ReceivedData.ResetRead();
+ break;
+ }
+
+ // Check packet for compression:
+ UInt32 UncompressedSize = 0;
+ AString UncompressedData;
+ if (m_State == 3)
+ {
+ UInt32 NumBytesRead = static_cast<UInt32>(m_ReceivedData.GetReadableSpace());
+
+ if (!m_ReceivedData.ReadVarInt(UncompressedSize))
+ {
+ m_Client->Kick("Compression packet incomplete");
+ return;
+ }
+
+ NumBytesRead -= static_cast<UInt32>(m_ReceivedData.GetReadableSpace()); // How many bytes has the UncompressedSize taken up?
+ ASSERT(PacketLen > NumBytesRead);
+ PacketLen -= NumBytesRead;
+
+ if (UncompressedSize > 0)
+ {
+ // Decompress the data:
+ AString CompressedData;
+ VERIFY(m_ReceivedData.ReadString(CompressedData, PacketLen));
+ if (InflateString(CompressedData.data(), PacketLen, UncompressedData) != Z_OK)
+ {
+ m_Client->Kick("Compression failure");
+ return;
+ }
+ PacketLen = static_cast<UInt32>(UncompressedData.size());
+ if (PacketLen != UncompressedSize)
+ {
+ m_Client->Kick("Wrong uncompressed packet size given");
+ return;
+ }
+ }
+ }
+
+ // Move the packet payload to a separate cByteBuffer, bb:
+ cByteBuffer bb(PacketLen + 1);
+ if (UncompressedSize == 0)
+ {
+ // No compression was used, move directly
+ VERIFY(m_ReceivedData.ReadToByteBuffer(bb, static_cast<size_t>(PacketLen)));
+ }
+ else
+ {
+ // Compression was used, move the uncompressed data:
+ VERIFY(bb.Write(UncompressedData.data(), UncompressedData.size()));
+ }
+ m_ReceivedData.CommitRead();
+
+ UInt32 PacketType;
+ if (!bb.ReadVarInt(PacketType))
+ {
+ // Not enough data
+ break;
+ }
+
+ // Write one NUL extra, so that we can detect over-reads
+ bb.Write("\0", 1);
+
+ // Log the packet info into the comm log file:
+ if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
+ {
+ AString PacketData;
+ bb.ReadAll(PacketData);
+ bb.ResetRead();
+ bb.ReadVarInt(PacketType); // We have already read the packet type once, it will be there again
+ ASSERT(PacketData.size() > 0); // We have written an extra NUL, so there had to be at least one byte read
+ PacketData.resize(PacketData.size() - 1);
+ AString PacketDataHex;
+ CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16);
+ m_CommLogFile.Printf("Next incoming packet is type %u (0x%x), length %u (0x%x) at state %d. Payload:\n%s\n",
+ PacketType, PacketType, PacketLen, PacketLen, m_State, PacketDataHex.c_str()
+ );
+ }
+
+ if (!HandlePacket(bb, PacketType))
+ {
+ // Unknown packet, already been reported, but without the length. Log the length here:
+ LOGWARNING("Protocol 1.9: Unhandled packet: type 0x%x, state %d, length %u", PacketType, m_State, PacketLen);
+
+ #ifdef _DEBUG
+ // Dump the packet contents into the log:
+ bb.ResetRead();
+ AString Packet;
+ bb.ReadAll(Packet);
+ Packet.resize(Packet.size() - 1); // Drop the final NUL pushed there for over-read detection
+ AString Out;
+ CreateHexDump(Out, Packet.data(), Packet.size(), 24);
+ LOGD("Packet contents:\n%s", Out.c_str());
+ #endif // _DEBUG
+
+ // Put a message in the comm log:
+ if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
+ {
+ m_CommLogFile.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n");
+ }
+
+ return;
+ }
+
+ // The packet should have 1 byte left in the buffer - the NUL we had added
+ if (bb.GetReadableSpace() != 1)
+ {
+ // Read more or less than packet length, report as error
+ LOGWARNING("Protocol 1.9: Wrong number of bytes read for packet 0x%x, state %d. Read " SIZE_T_FMT " bytes, packet contained %u bytes",
+ PacketType, m_State, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen
+ );
+
+ // Put a message in the comm log:
+ if (g_ShouldLogCommIn && m_CommLogFile.IsOpen())
+ {
+ m_CommLogFile.Printf("^^^^^^ Wrong number of bytes read for this packet (exp %d left, got " SIZE_T_FMT " left) ^^^^^^\n\n\n",
+ 1, bb.GetReadableSpace()
+ );
+ m_CommLogFile.Flush();
+ }
+
+ ASSERT(!"Read wrong number of bytes!");
+ m_Client->PacketError(PacketType);
+ }
+ } // for (ever)
+
+ // Log any leftover bytes into the logfile:
+ if (g_ShouldLogCommIn && (m_ReceivedData.GetReadableSpace() > 0) && m_CommLogFile.IsOpen())
+ {
+ AString AllData;
+ size_t OldReadableSpace = m_ReceivedData.GetReadableSpace();
+ m_ReceivedData.ReadAll(AllData);
+ m_ReceivedData.ResetRead();
+ m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace);
+ ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace);
+ AString Hex;
+ CreateHexDump(Hex, AllData.data(), AllData.size(), 16);
+ m_CommLogFile.Printf("Protocol 1.9: There are " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") bytes of non-parse-able data left in the buffer:\n%s",
+ m_ReceivedData.GetReadableSpace(), m_ReceivedData.GetReadableSpace(), Hex.c_str()
+ );
+ m_CommLogFile.Flush();
+ }
+}
+
+
+
+
+bool cProtocol_1_9_0::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType)
+{
+ switch (m_State)
+ {
+ case 1:
+ {
+ // Status
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketStatusRequest(a_ByteBuffer); return true;
+ case 0x01: HandlePacketStatusPing (a_ByteBuffer); return true;
+ }
+ break;
+ }
+
+ case 2:
+ {
+ // Login
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketLoginStart (a_ByteBuffer); return true;
+ case 0x01: HandlePacketLoginEncryptionResponse(a_ByteBuffer); return true;
+ }
+ break;
+ }
+
+ case 3:
+ {
+ // Game
+ switch (a_PacketType)
+ {
+ case 0x00: HandleConfirmTeleport (a_ByteBuffer); return true;
+ case 0x01: HandlePacketTabComplete (a_ByteBuffer); return true;
+ case 0x02: HandlePacketChatMessage (a_ByteBuffer); return true;
+ case 0x03: HandlePacketClientStatus (a_ByteBuffer); return true;
+ case 0x04: HandlePacketClientSettings (a_ByteBuffer); return true;
+ case 0x05: break; // Confirm transaction - not used in MCS
+ case 0x06: HandlePacketEnchantItem (a_ByteBuffer); return true;
+ case 0x07: HandlePacketWindowClick (a_ByteBuffer); return true;
+ case 0x08: HandlePacketWindowClose (a_ByteBuffer); return true;
+ case 0x09: HandlePacketPluginMessage (a_ByteBuffer); return true;
+ case 0x0a: HandlePacketUseEntity (a_ByteBuffer); return true;
+ case 0x0b: HandlePacketKeepAlive (a_ByteBuffer); return true;
+ case 0x0c: HandlePacketPlayerPos (a_ByteBuffer); return true;
+ case 0x0d: HandlePacketPlayerPosLook (a_ByteBuffer); return true;
+ case 0x0e: HandlePacketPlayerLook (a_ByteBuffer); return true;
+ case 0x0f: HandlePacketPlayer (a_ByteBuffer); return true;
+ case 0x10: HandlePacketVehicleMove (a_ByteBuffer); return true;
+ case 0x11: HandlePacketBoatSteer (a_ByteBuffer); return true;
+ case 0x12: HandlePacketPlayerAbilities (a_ByteBuffer); return true;
+ case 0x13: HandlePacketBlockDig (a_ByteBuffer); return true;
+ case 0x14: HandlePacketEntityAction (a_ByteBuffer); return true;
+ case 0x15: HandlePacketSteerVehicle (a_ByteBuffer); return true;
+ case 0x16: break; // Resource pack status - not yet implemented
+ case 0x17: HandlePacketSlotSelect (a_ByteBuffer); return true;
+ case 0x18: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true;
+ case 0x19: HandlePacketUpdateSign (a_ByteBuffer); return true;
+ case 0x1a: HandlePacketAnimation (a_ByteBuffer); return true;
+ case 0x1b: HandlePacketSpectate (a_ByteBuffer); return true;
+ case 0x1c: HandlePacketBlockPlace (a_ByteBuffer); return true;
+ case 0x1d: HandlePacketUseItem (a_ByteBuffer); return true;
+ }
+ break;
+ }
+ default:
+ {
+ // Received a packet in an unknown state, report:
+ LOGWARNING("Received a packet in an unknown protocol state %d. Ignoring further packets.", m_State);
+
+ // Cannot kick the client - we don't know this state and thus the packet number for the kick packet
+
+ // Switch to a state when all further packets are silently ignored:
+ m_State = 255;
+ return false;
+ }
+ case 255:
+ {
+ // This is the state used for "not processing packets anymore" when we receive a bad packet from a client.
+ // Do not output anything (the caller will do that for us), just return failure
+ return false;
+ }
+ } // switch (m_State)
+
+ // Unknown packet type, report to the ClientHandle:
+ m_Client->PacketUnknown(a_PacketType);
+ return false;
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketStatusPing(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Timestamp);
+
+ cPacketizer Pkt(*this, 0x01); // Ping packet
+ Pkt.WriteBEInt64(Timestamp);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
+{
+ cServer * Server = cRoot::Get()->GetServer();
+ AString ServerDescription = Server->GetDescription();
+ int NumPlayers = Server->GetNumPlayers();
+ int MaxPlayers = Server->GetMaxPlayers();
+ AString Favicon = Server->GetFaviconData();
+ cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
+
+ // Version:
+ Json::Value Version;
+ Version["name"] = "Cuberite 1.9";
+ Version["protocol"] = 107;
+
+ // Players:
+ Json::Value Players;
+ Players["online"] = NumPlayers;
+ Players["max"] = MaxPlayers;
+ // TODO: Add "sample"
+
+ // Description:
+ Json::Value Description;
+ Description["text"] = ServerDescription.c_str();
+
+ // Create the response:
+ Json::Value ResponseValue;
+ ResponseValue["version"] = Version;
+ ResponseValue["players"] = Players;
+ ResponseValue["description"] = Description;
+ if (!Favicon.empty())
+ {
+ ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
+ }
+
+ Json::StyledWriter Writer;
+ AString Response = Writer.write(ResponseValue);
+
+ cPacketizer Pkt(*this, 0x00); // Response packet
+ Pkt.WriteString(Response);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer)
+{
+ UInt32 EncKeyLength, EncNonceLength;
+ if (!a_ByteBuffer.ReadVarInt(EncKeyLength))
+ {
+ return;
+ }
+ AString EncKey;
+ if (!a_ByteBuffer.ReadString(EncKey, EncKeyLength))
+ {
+ return;
+ }
+ if (!a_ByteBuffer.ReadVarInt(EncNonceLength))
+ {
+ return;
+ }
+ AString EncNonce;
+ if (!a_ByteBuffer.ReadString(EncNonce, EncNonceLength))
+ {
+ return;
+ }
+ if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN))
+ {
+ LOGD("Too long encryption");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ // Decrypt EncNonce using privkey
+ cRsaPrivateKey & rsaDecryptor = cRoot::Get()->GetServer()->GetPrivateKey();
+ UInt32 DecryptedNonce[MAX_ENC_LEN / sizeof(Int32)];
+ int res = rsaDecryptor.Decrypt(reinterpret_cast<const Byte *>(EncNonce.data()), EncNonce.size(), reinterpret_cast<Byte *>(DecryptedNonce), sizeof(DecryptedNonce));
+ if (res != 4)
+ {
+ LOGD("Bad nonce length: got %d, exp %d", res, 4);
+ m_Client->Kick("Hacked client");
+ return;
+ }
+ if (ntohl(DecryptedNonce[0]) != static_cast<unsigned>(reinterpret_cast<uintptr_t>(this)))
+ {
+ LOGD("Bad nonce value");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ // Decrypt the symmetric encryption key using privkey:
+ Byte DecryptedKey[MAX_ENC_LEN];
+ res = rsaDecryptor.Decrypt(reinterpret_cast<const Byte *>(EncKey.data()), EncKey.size(), DecryptedKey, sizeof(DecryptedKey));
+ if (res != 16)
+ {
+ LOGD("Bad key length");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ StartEncryption(DecryptedKey);
+ m_Client->HandleLogin(4, m_Client->GetUsername());
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer)
+{
+ AString Username;
+ if (!a_ByteBuffer.ReadVarUTF8String(Username))
+ {
+ m_Client->Kick("Bad username");
+ return;
+ }
+
+ if (!m_Client->HandleHandshake(Username))
+ {
+ // The client is not welcome here, they have been sent a Kick packet already
+ return;
+ }
+
+ cServer * Server = cRoot::Get()->GetServer();
+ // If auth is required, then send the encryption request:
+ if (Server->ShouldAuthenticate())
+ {
+ cPacketizer Pkt(*this, 0x01);
+ Pkt.WriteString(Server->GetServerID());
+ const AString & PubKeyDer = Server->GetPublicKeyDER();
+ Pkt.WriteVarInt32(static_cast<UInt32>(PubKeyDer.size()));
+ Pkt.WriteBuf(PubKeyDer.data(), PubKeyDer.size());
+ Pkt.WriteVarInt32(4);
+ Pkt.WriteBEInt32(static_cast<int>(reinterpret_cast<intptr_t>(this))); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :)
+ m_Client->SetUsername(Username);
+ return;
+ }
+
+ m_Client->HandleLogin(4, Username);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketAnimation(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Hand);
+
+ m_Client->HandleAnimation(0); // Packet exists solely for arm-swing notification
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Status);
+
+ int BlockX, BlockY, BlockZ;
+ if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ))
+ {
+ return;
+ }
+
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Face);
+ m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), Status);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer)
+{
+ int BlockX, BlockY, BlockZ;
+ if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ))
+ {
+ return;
+ }
+
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Face);
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, Int32, Hand);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorX);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorY);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, CursorZ);
+ m_Client->HandleRightClick(BlockX, BlockY, BlockZ, FaceIntToBlockFace(Face), CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem());
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketBoatSteer(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, RightPaddle);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, LeftPaddle);
+
+ // Get the players vehicle
+ cPlayer * Player = m_Client->GetPlayer();
+ cEntity * Vehicle = Player->GetAttached();
+
+ if (Vehicle)
+ {
+ if (Vehicle->GetEntityType() == cEntity::etBoat)
+ {
+ auto * Boat = reinterpret_cast<cBoat *>(Vehicle);
+ Boat->UpdatePaddles(RightPaddle, LeftPaddle);
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketChatMessage(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Message);
+ m_Client->HandleChat(Message);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketClientSettings(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Locale);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, ViewDistance);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, ChatFlags);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, ChatColors);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, SkinFlags);
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, MainHand);
+
+ m_Client->SetLocale(Locale);
+ m_Client->SetViewDistance(ViewDistance);
+ // TODO: Handle other values
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketClientStatus(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, ActionID);
+ switch (ActionID)
+ {
+ case 0:
+ {
+ // Respawn
+ m_Client->HandleRespawn();
+ break;
+ }
+ case 1:
+ {
+ // Request stats
+ const cStatManager & Manager = m_Client->GetPlayer()->GetStatManager();
+ SendStatistics(Manager);
+
+ break;
+ }
+ case 2:
+ {
+ // Open Inventory achievement
+ m_Client->GetPlayer()->AwardAchievement(achOpenInv);
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandleConfirmTeleport(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt32, UInt32, TeleportID);
+ // We don't actually validate that this packet is sent or anything yet, but it still needs to be read.
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum);
+ cItem Item;
+ if (!ReadItem(a_ByteBuffer, Item))
+ {
+ return;
+ }
+ m_Client->HandleCreativeInventory(SlotNum, Item, (SlotNum == -1) ? caLeftClickOutside : caLeftClick);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketEntityAction(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, PlayerID);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Action);
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, JumpBoost);
+
+ switch (Action)
+ {
+ case 0: m_Client->HandleEntityCrouch(PlayerID, true); break; // Crouch
+ case 1: m_Client->HandleEntityCrouch(PlayerID, false); break; // Uncrouch
+ case 2: m_Client->HandleEntityLeaveBed(PlayerID); break; // Leave Bed
+ case 3: m_Client->HandleEntitySprinting(PlayerID, true); break; // Start sprinting
+ case 4: m_Client->HandleEntitySprinting(PlayerID, false); break; // Stop sprinting
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketKeepAlive(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, KeepAliveID);
+ m_Client->HandleKeepAlive(KeepAliveID);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketPlayer(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround);
+ // TODO: m_Client->HandlePlayerOnGround(IsOnGround);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketPlayerAbilities(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Flags);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, FlyingSpeed);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, WalkingSpeed);
+
+ // COnvert the bitfield into individual boolean flags:
+ bool IsFlying = false, CanFly = false;
+ if ((Flags & 2) != 0)
+ {
+ IsFlying = true;
+ }
+ if ((Flags & 4) != 0)
+ {
+ CanFly = true;
+ }
+
+ m_Client->HandlePlayerAbilities(CanFly, IsFlying, FlyingSpeed, WalkingSpeed);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketPlayerLook(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Yaw);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Pitch);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround);
+ m_Client->HandlePlayerLook(Yaw, Pitch, IsOnGround);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketPlayerPos(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX);
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY);
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround);
+ m_Client->HandlePlayerPos(PosX, PosY, PosZ, PosY + (m_Client->GetPlayer()->IsCrouched() ? 1.54 : 1.62), IsOnGround);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketPlayerPosLook(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosX);
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosY);
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, PosZ);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Yaw);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Pitch);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround);
+ m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, PosY + 1.62, Yaw, Pitch, IsOnGround);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketPluginMessage(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Channel);
+
+ // If the plugin channel is recognized vanilla, handle it directly:
+ if (Channel.substr(0, 3) == "MC|")
+ {
+ HandleVanillaPluginMessage(a_ByteBuffer, Channel);
+
+ // Skip any unread data (vanilla sometimes sends garbage at the end of a packet; #1692):
+ if (a_ByteBuffer.GetReadableSpace() > 1)
+ {
+ LOGD("Protocol 1.8: Skipping garbage data at the end of a vanilla PluginMessage packet, %u bytes",
+ static_cast<unsigned>(a_ByteBuffer.GetReadableSpace() - 1)
+ );
+ a_ByteBuffer.SkipRead(a_ByteBuffer.GetReadableSpace() - 1);
+ }
+
+ return;
+ }
+
+ // Read the plugin message and relay to clienthandle:
+ AString Data;
+ VERIFY(a_ByteBuffer.ReadString(Data, a_ByteBuffer.GetReadableSpace() - 1)); // Always succeeds
+ m_Client->HandlePluginMessage(Channel, Data);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum);
+ m_Client->HandleSlotSelected(SlotNum);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketSpectate(cByteBuffer & a_ByteBuffer)
+{
+ AString playerUUID;
+ if (!a_ByteBuffer.ReadUUID(playerUUID))
+ {
+ return;
+ }
+
+ m_Client->HandleSpectate(playerUUID);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Forward);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Flags);
+
+ if ((Flags & 0x2) != 0)
+ {
+ m_Client->HandleUnmount();
+ }
+ else if ((Flags & 0x1) != 0)
+ {
+ // TODO: Handle vehicle jump (for animals)
+ }
+ else
+ {
+ m_Client->HandleSteerVehicle(Forward, Sideways);
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketTabComplete(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Text);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, AssumeCommand);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, HasPosition);
+
+ if (HasPosition)
+ {
+ HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Position);
+ }
+
+ m_Client->HandleTabCompletion(Text);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer)
+{
+ int BlockX, BlockY, BlockZ;
+ if (!a_ByteBuffer.ReadPosition64(BlockX, BlockY, BlockZ))
+ {
+ return;
+ }
+
+ AString Lines[4];
+ for (int i = 0; i < 4; i++)
+ {
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line);
+ Lines[i] = Line;
+ }
+
+ m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Lines[0], Lines[1], Lines[2], Lines[3]);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketUseEntity(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, EntityID);
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Type);
+
+ switch (Type)
+ {
+ case 0:
+ {
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Hand)
+ m_Client->HandleUseEntity(EntityID, false);
+ break;
+ }
+ case 1:
+ {
+ m_Client->HandleUseEntity(EntityID, true);
+ break;
+ }
+ case 2:
+ {
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetX);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetY);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, TargetZ);
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Hand);
+
+ // TODO: Do anything
+ break;
+ }
+ default:
+ {
+ ASSERT(!"Unhandled use entity type!");
+ return;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketUseItem(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt64, Hand);
+
+ // Didn't click a block - emulate old values used with place block of -1, -1, -1 (and BLOCK_FACE_NONE).
+ m_Client->HandleRightClick(-1, 255, -1, BLOCK_FACE_NONE, 0, 0, 0, m_Client->GetPlayer()->GetEquippedItem());
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketEnchantItem(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Enchantment);
+
+ m_Client->HandleEnchantItem(WindowID, Enchantment);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketVehicleMove(cByteBuffer & a_ByteBuffer)
+{
+ // This handles updating the vehicles location server side
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, xPos);
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, yPos);
+ HANDLE_READ(a_ByteBuffer, ReadBEDouble, double, zPos);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, yaw);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, pitch);
+
+ // Get the players vehicle
+ cEntity * Vehicle = m_Client->GetPlayer()->GetAttached();
+
+ if (Vehicle)
+ {
+ Vehicle->SetPosX(xPos);
+ Vehicle->SetPosY(yPos);
+ Vehicle->SetPosZ(zPos);
+ Vehicle->SetYaw(yaw);
+ Vehicle->SetPitch(pitch);
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketWindowClick(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID);
+ HANDLE_READ(a_ByteBuffer, ReadBEInt16, Int16, SlotNum);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Button);
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt16, UInt16, TransactionID);
+ HANDLE_READ(a_ByteBuffer, ReadVarInt32, UInt32, Mode);
+ cItem Item;
+ ReadItem(a_ByteBuffer, Item);
+
+ // Convert Button, Mode, SlotNum and HeldItem into eClickAction:
+ eClickAction Action;
+ switch ((Mode << 8) | Button)
+ {
+ case 0x0000: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caLeftClick : caLeftClickOutside; break;
+ case 0x0001: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? 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 0x0302: Action = caMiddleClick; break;
+ case 0x0400: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftClickOutsideHoldNothing : caDropKey; break;
+ case 0x0401: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightClickOutsideHoldNothing : caCtrlDropKey; break;
+ case 0x0500: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftPaintBegin : caUnknown; break;
+ case 0x0501: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caLeftPaintProgress : caUnknown; break;
+ case 0x0502: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caLeftPaintEnd : caUnknown; break;
+ case 0x0504: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightPaintBegin : caUnknown; break;
+ case 0x0505: Action = (SlotNum != SLOT_NUM_OUTSIDE) ? caRightPaintProgress : caUnknown; break;
+ case 0x0506: Action = (SlotNum == SLOT_NUM_OUTSIDE) ? caRightPaintEnd : caUnknown; break;
+ case 0x0600: Action = caDblClick; break;
+ default:
+ {
+ LOGWARNING("Unhandled window click mode / button combination: %d (0x%x)", (Mode << 8) | Button, (Mode << 8) | Button);
+ Action = caUnknown;
+ break;
+ }
+ }
+
+ m_Client->HandleWindowClick(WindowID, SlotNum, Action, Item);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandlePacketWindowClose(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, WindowID);
+ m_Client->HandleWindowClose(WindowID);
+}
+
+
+
+
+
+void cProtocol_1_9_0::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, const AString & a_Channel)
+{
+ if (a_Channel == "MC|AdvCdm")
+ {
+ HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Mode)
+ switch (Mode)
+ {
+ case 0x00:
+ {
+ HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockX);
+ HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockY);
+ HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, BlockZ);
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Command);
+ m_Client->HandleCommandBlockBlockChange(BlockX, BlockY, BlockZ, Command);
+ break;
+ }
+
+ default:
+ {
+ m_Client->SendChat(Printf("Failure setting command block command; unhandled mode %u (0x%02x)", Mode, Mode), mtFailure);
+ LOG("Unhandled MC|AdvCdm packet mode.");
+ return;
+ }
+ } // switch (Mode)
+ return;
+ }
+ else if (a_Channel == "MC|Brand")
+ {
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Brand);
+ m_Client->SetClientBrand(Brand);
+ // Send back our brand, including the length:
+ SendPluginMessage("MC|Brand", "\x08""Cuberite");
+ return;
+ }
+ else if (a_Channel == "MC|Beacon")
+ {
+ HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, Effect1);
+ HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, Effect2);
+ m_Client->HandleBeaconSelection(Effect1, Effect2);
+ return;
+ }
+ else if (a_Channel == "MC|ItemName")
+ {
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, ItemName);
+ m_Client->HandleAnvilItemName(ItemName);
+ return;
+ }
+ else if (a_Channel == "MC|TrSel")
+ {
+ HANDLE_READ(a_ByteBuffer, ReadBEInt32, Int32, SlotNum);
+ m_Client->HandleNPCTrade(SlotNum);
+ return;
+ }
+ LOG("Unhandled vanilla plugin channel: \"%s\".", a_Channel.c_str());
+
+ // Read the payload and send it through to the clienthandle:
+ AString Message;
+ VERIFY(a_ByteBuffer.ReadString(Message, a_ByteBuffer.GetReadableSpace() - 1));
+ m_Client->HandlePluginMessage(a_Channel, Message);
+}
+
+
+
+
+
+void cProtocol_1_9_0::SendData(const char * a_Data, size_t a_Size)
+{
+ if (m_IsEncrypted)
+ {
+ Byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks)
+ while (a_Size > 0)
+ {
+ size_t NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size;
+ m_Encryptor.ProcessData(Encrypted, reinterpret_cast<Byte *>(const_cast<char*>(a_Data)), NumBytes);
+ m_Client->SendData(reinterpret_cast<const char *>(Encrypted), NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ m_Client->SendData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+bool cProtocol_1_9_0::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes)
+{
+ HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, 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(a_ByteBuffer, ReadBEInt8, Int8, ItemCount);
+ HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemDamage);
+ a_Item.m_ItemCount = ItemCount;
+ a_Item.m_ItemDamage = ItemDamage;
+ if (ItemCount <= 0)
+ {
+ a_Item.Empty();
+ }
+
+ AString Metadata;
+ if (!a_ByteBuffer.ReadString(Metadata, a_ByteBuffer.GetReadableSpace() - a_KeepRemainingBytes - 1) || (Metadata.size() == 0) || (Metadata[0] == 0))
+ {
+ // No metadata
+ return true;
+ }
+
+ ParseItemMetadata(a_Item, Metadata);
+ return true;
+}
+
+
+
+
+
+void cProtocol_1_9_0::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
+{
+ // Parse into NBT:
+ cParsedNBT NBT(a_Metadata.data(), a_Metadata.size());
+ if (!NBT.IsValid())
+ {
+ AString HexDump;
+ CreateHexDump(HexDump, a_Metadata.data(), std::max<size_t>(a_Metadata.size(), 1024), 16);
+ LOGWARNING("Cannot parse NBT item metadata: (" SIZE_T_FMT " bytes)\n%s", a_Metadata.size(), HexDump.c_str());
+ return;
+ }
+
+ // Load enchantments and custom display names from the NBT data:
+ for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag))
+ {
+ AString TagName = NBT.GetName(tag);
+ switch (NBT.GetType(tag))
+ {
+ case TAG_List:
+ {
+ if ((TagName == "ench") || (TagName == "StoredEnchantments")) // Enchantments tags
+ {
+ EnchantmentSerializer::ParseFromNBT(a_Item.m_Enchantments, NBT, tag);
+ }
+ break;
+ }
+ case TAG_Compound:
+ {
+ if (TagName == "display") // Custom name and lore tag
+ {
+ for (int displaytag = NBT.GetFirstChild(tag); displaytag >= 0; displaytag = NBT.GetNextSibling(displaytag))
+ {
+ if ((NBT.GetType(displaytag) == TAG_String) && (NBT.GetName(displaytag) == "Name")) // Custon name tag
+ {
+ a_Item.m_CustomName = NBT.GetString(displaytag);
+ }
+ else if ((NBT.GetType(displaytag) == TAG_List) && (NBT.GetName(displaytag) == "Lore")) // Lore tag
+ {
+ AString Lore;
+
+ for (int loretag = NBT.GetFirstChild(displaytag); loretag >= 0; loretag = NBT.GetNextSibling(loretag)) // Loop through array of strings
+ {
+ AppendPrintf(Lore, "%s`", NBT.GetString(loretag).c_str()); // Append the lore with a grave accent / backtick, used internally by MCS to display a new line in the client; don't forget to c_str ;)
+ }
+
+ a_Item.m_Lore = Lore;
+ }
+ else if ((NBT.GetType(displaytag) == TAG_Int) && (NBT.GetName(displaytag) == "color"))
+ {
+ a_Item.m_ItemColor.m_Color = static_cast<unsigned int>(NBT.GetInt(displaytag));
+ }
+ }
+ }
+ else if ((TagName == "Fireworks") || (TagName == "Explosion"))
+ {
+ cFireworkItem::ParseFromNBT(a_Item.m_FireworkItem, NBT, tag, static_cast<ENUM_ITEM_ID>(a_Item.m_ItemType));
+ }
+ else if (TagName == "EntityTag")
+ {
+ for (int entitytag = NBT.GetFirstChild(tag); entitytag >= 0; entitytag = NBT.GetNextSibling(entitytag))
+ {
+ if ((NBT.GetType(entitytag) == TAG_String) && (NBT.GetName(entitytag) == "id"))
+ {
+ eMonsterType MonsterType = cMonster::StringToMobType(NBT.GetString(entitytag));
+ // No special method here to convert to the numeric damage value; just cast to the given ID
+ a_Item.m_ItemDamage = static_cast<short>(MonsterType);
+ }
+ }
+ }
+ break;
+ }
+ case TAG_Int:
+ {
+ if (TagName == "RepairCost")
+ {
+ a_Item.m_RepairCost = NBT.GetInt(tag);
+ }
+ break;
+ }
+ case TAG_String:
+ {
+ if (TagName == "Potion")
+ {
+ AString PotionEffect = NBT.GetString(tag);
+ if (PotionEffect.find("minecraft:") == AString::npos)
+ {
+ LOGD("Unknown or missing domain on potion effect name %s!", PotionEffect.c_str());
+ continue;
+ }
+
+ if (PotionEffect.find("water") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 0;
+ // Water bottles shouldn't have other bits set on them; exit early.
+ continue;
+ }
+ if (PotionEffect.find("empty") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 0;
+ }
+ else if (PotionEffect.find("mundane") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 0;
+ }
+ else if (PotionEffect.find("thick") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 20;
+ }
+ else if (PotionEffect.find("awkward") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 10;
+ }
+ else if (PotionEffect.find("regeneration") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 1;
+ }
+ else if (PotionEffect.find("swiftness") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 2;
+ }
+ else if (PotionEffect.find("fire_resistance") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 3;
+ }
+ else if (PotionEffect.find("poison") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 4;
+ }
+ else if (PotionEffect.find("healing") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 5;
+ }
+ else if (PotionEffect.find("night_vision") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 6;
+ }
+ else if (PotionEffect.find("weakness") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 8;
+ }
+ else if (PotionEffect.find("strength") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 9;
+ }
+ else if (PotionEffect.find("slowness") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 10;
+ }
+ else if (PotionEffect.find("leaping") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 11;
+ }
+ else if (PotionEffect.find("harming") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 12;
+ }
+ else if (PotionEffect.find("water_breathing") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 13;
+ }
+ else if (PotionEffect.find("invisibility") != AString::npos)
+ {
+ a_Item.m_ItemDamage = 14;
+ }
+ else
+ {
+ // Note: luck potions are not handled and will reach this location
+ LOGD("Unknown potion type for effect name %s!", PotionEffect.c_str());
+ continue;
+ }
+
+ if (PotionEffect.find("strong") != AString::npos)
+ {
+ a_Item.m_ItemDamage |= 0x20;
+ }
+ if (PotionEffect.find("long") != AString::npos)
+ {
+ a_Item.m_ItemDamage |= 0x40;
+ }
+
+ // Ugly special case with the changed splash potion ID in 1.9
+ if ((a_Item.m_ItemType == 438) || (a_Item.m_ItemType == 441))
+ {
+ // Splash or lingering potions - change the ID to the normal one and mark as splash potions
+ a_Item.m_ItemType = E_ITEM_POTION;
+ a_Item.m_ItemDamage |= 0x4000; // Is splash potion
+ }
+ else
+ {
+ a_Item.m_ItemDamage |= 0x2000; // Is drinkable
+ }
+ }
+ break;
+ }
+ default: LOGD("Unimplemented NBT data when parsing!"); break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::StartEncryption(const Byte * a_Key)
+{
+ m_Encryptor.Init(a_Key, a_Key);
+ m_Decryptor.Init(a_Key, a_Key);
+ m_IsEncrypted = true;
+
+ // Prepare the m_AuthServerID:
+ cSha1Checksum Checksum;
+ cServer * Server = cRoot::Get()->GetServer();
+ const AString & ServerID = Server->GetServerID();
+ Checksum.Update(reinterpret_cast<const Byte *>(ServerID.c_str()), ServerID.length());
+ Checksum.Update(a_Key, 16);
+ Checksum.Update(reinterpret_cast<const Byte *>(Server->GetPublicKeyDER().data()), Server->GetPublicKeyDER().size());
+ Byte Digest[20];
+ Checksum.Finalize(Digest);
+ cSha1Checksum::DigestToJava(Digest, m_AuthServerID);
+}
+
+
+
+
+
+eBlockFace cProtocol_1_9_0::FaceIntToBlockFace(Int32 a_BlockFace)
+{
+ // Normalize the blockface values returned from the protocol
+ // Anything known gets mapped 1:1, everything else returns BLOCK_FACE_NONE
+ switch (a_BlockFace)
+ {
+ case BLOCK_FACE_XM: return BLOCK_FACE_XM;
+ case BLOCK_FACE_XP: return BLOCK_FACE_XP;
+ case BLOCK_FACE_YM: return BLOCK_FACE_YM;
+ case BLOCK_FACE_YP: return BLOCK_FACE_YP;
+ case BLOCK_FACE_ZM: return BLOCK_FACE_ZM;
+ case BLOCK_FACE_ZP: return BLOCK_FACE_ZP;
+ default: return BLOCK_FACE_NONE;
+ }
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cProtocol_1_9_0::cPacketizer:
+
+void cProtocol_1_9_0::SendPacket(cPacketizer & a_Pkt)
+{
+ UInt32 PacketLen = static_cast<UInt32>(m_OutPacketBuffer.GetUsedSpace());
+ AString PacketData, CompressedPacket;
+ m_OutPacketBuffer.ReadAll(PacketData);
+ m_OutPacketBuffer.CommitRead();
+
+ if ((m_State == 3) && (PacketLen >= 256))
+ {
+ // Compress the packet payload:
+ if (!cProtocol_1_9_0::CompressPacket(PacketData, CompressedPacket))
+ {
+ return;
+ }
+ }
+ else if (m_State == 3)
+ {
+ // The packet is not compressed, indicate this in the packet header:
+ m_OutPacketLenBuffer.WriteVarInt32(PacketLen + 1);
+ m_OutPacketLenBuffer.WriteVarInt32(0);
+ AString LengthData;
+ m_OutPacketLenBuffer.ReadAll(LengthData);
+ SendData(LengthData.data(), LengthData.size());
+ }
+ else
+ {
+ // Compression doesn't apply to this state, send raw data:
+ m_OutPacketLenBuffer.WriteVarInt32(PacketLen);
+ AString LengthData;
+ m_OutPacketLenBuffer.ReadAll(LengthData);
+ SendData(LengthData.data(), LengthData.size());
+ }
+
+ // Send the packet's payload, either direct or compressed:
+ if (CompressedPacket.empty())
+ {
+ m_OutPacketLenBuffer.CommitRead();
+ SendData(PacketData.data(), PacketData.size());
+ }
+ else
+ {
+ SendData(CompressedPacket.data(), CompressedPacket.size());
+ }
+
+ // Log the comm into logfile:
+ if (g_ShouldLogCommOut && m_CommLogFile.IsOpen())
+ {
+ AString Hex;
+ ASSERT(PacketData.size() > 0);
+ CreateHexDump(Hex, PacketData.data(), PacketData.size(), 16);
+ m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload (incl. type):\n%s\n",
+ a_Pkt.GetPacketType(), a_Pkt.GetPacketType(), PacketLen, PacketLen, m_State, Hex.c_str()
+ );
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::WriteItem(cPacketizer & a_Pkt, 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())
+ {
+ a_Pkt.WriteBEInt16(-1);
+ return;
+ }
+
+ if ((ItemType == E_ITEM_POTION) && ((a_Item.m_ItemDamage & 0x4000) != 0))
+ {
+ // Ugly special case for splash potion ids which changed in 1.9; this can be removed when the new 1.9 ids are implemented
+ a_Pkt.WriteBEInt16(438); // minecraft:splash_potion
+ }
+ else
+ {
+ // Normal item
+ a_Pkt.WriteBEInt16(ItemType);
+ }
+ a_Pkt.WriteBEInt8(a_Item.m_ItemCount);
+ if ((ItemType == E_ITEM_POTION) || (ItemType == E_ITEM_SPAWN_EGG))
+ {
+ // These items lost their metadata; if it is sent they don't render correctly.
+ a_Pkt.WriteBEInt16(0);
+ }
+ else
+ {
+ a_Pkt.WriteBEInt16(a_Item.m_ItemDamage);
+ }
+
+ if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (ItemType != E_ITEM_FIREWORK_ROCKET) && (ItemType != E_ITEM_FIREWORK_STAR) && !a_Item.m_ItemColor.IsValid() && (ItemType != E_ITEM_POTION) && (ItemType != E_ITEM_SPAWN_EGG))
+ {
+ a_Pkt.WriteBEInt8(0);
+ return;
+ }
+
+
+ // Send the enchantments and custom names:
+ cFastNBTWriter Writer;
+ if (a_Item.m_RepairCost != 0)
+ {
+ Writer.AddInt("RepairCost", a_Item.m_RepairCost);
+ }
+ if (!a_Item.m_Enchantments.IsEmpty())
+ {
+ const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
+ EnchantmentSerializer::WriteToNBTCompound(a_Item.m_Enchantments, Writer, TagName);
+ }
+ if (!a_Item.IsBothNameAndLoreEmpty() || a_Item.m_ItemColor.IsValid())
+ {
+ Writer.BeginCompound("display");
+ if (a_Item.m_ItemColor.IsValid())
+ {
+ Writer.AddInt("color", static_cast<Int32>(a_Item.m_ItemColor.m_Color));
+ }
+
+ if (!a_Item.IsCustomNameEmpty())
+ {
+ Writer.AddString("Name", a_Item.m_CustomName.c_str());
+ }
+ if (!a_Item.IsLoreEmpty())
+ {
+ Writer.BeginList("Lore", TAG_String);
+
+ AStringVector Decls = StringSplit(a_Item.m_Lore, "`");
+ for (AStringVector::const_iterator itr = Decls.begin(), end = Decls.end(); itr != end; ++itr)
+ {
+ if (itr->empty())
+ {
+ // The decl is empty (two `s), ignore
+ continue;
+ }
+ Writer.AddString("", itr->c_str());
+ }
+
+ Writer.EndList();
+ }
+ Writer.EndCompound();
+ }
+ if ((a_Item.m_ItemType == E_ITEM_FIREWORK_ROCKET) || (a_Item.m_ItemType == E_ITEM_FIREWORK_STAR))
+ {
+ cFireworkItem::WriteToNBTCompound(a_Item.m_FireworkItem, Writer, static_cast<ENUM_ITEM_ID>(a_Item.m_ItemType));
+ }
+ if (a_Item.m_ItemType == E_ITEM_POTION)
+ {
+ // 1.9 potions use a different format. In the future (when only 1.9+ is supported) this should be its own class
+ AString PotionID = "empty"; // Fallback of "Uncraftable potion" for unhandled cases
+
+ cEntityEffect::eType Type = cEntityEffect::GetPotionEffectType(a_Item.m_ItemDamage);
+ if (Type != cEntityEffect::effNoEffect)
+ {
+ switch (Type)
+ {
+ case cEntityEffect::effRegeneration: PotionID = "regeneration"; break;
+ case cEntityEffect::effSpeed: PotionID = "swiftness"; break;
+ case cEntityEffect::effFireResistance: PotionID = "fire_resistance"; break;
+ case cEntityEffect::effPoison: PotionID = "poison"; break;
+ case cEntityEffect::effInstantHealth: PotionID = "healing"; break;
+ case cEntityEffect::effNightVision: PotionID = "night_vision"; break;
+ case cEntityEffect::effWeakness: PotionID = "weakness"; break;
+ case cEntityEffect::effStrength: PotionID = "strength"; break;
+ case cEntityEffect::effSlowness: PotionID = "slowness"; break;
+ case cEntityEffect::effJumpBoost: PotionID = "leaping"; break;
+ case cEntityEffect::effInstantDamage: PotionID = "harming"; break;
+ case cEntityEffect::effWaterBreathing: PotionID = "water_breathing"; break;
+ case cEntityEffect::effInvisibility: PotionID = "invisibility"; break;
+ }
+ if (cEntityEffect::GetPotionEffectIntensity(a_Item.m_ItemDamage) == 1)
+ {
+ PotionID = "strong_" + PotionID;
+ }
+ else if (a_Item.m_ItemDamage & 0x40)
+ {
+ // Extended potion bit
+ PotionID = "long_" + PotionID;
+ }
+ }
+ else
+ {
+ // Empty potions: Water bottles and other base ones
+ if (a_Item.m_ItemDamage == 0)
+ {
+ // No other bits set; thus it's a water bottle
+ PotionID = "water";
+ }
+ else
+ {
+ switch (a_Item.m_ItemDamage & 0x3f)
+ {
+ case 0x00: PotionID = "mundane"; break;
+ case 0x10: PotionID = "awkward"; break;
+ case 0x20: PotionID = "thick"; break;
+ }
+ // Default cases will use "empty" from before.
+ }
+ }
+
+ PotionID = "minecraft:" + PotionID;
+
+ Writer.AddString("Potion", PotionID.c_str());
+ }
+ if (a_Item.m_ItemType == E_ITEM_SPAWN_EGG)
+ {
+ // Convert entity ID to the name.
+ eMonsterType MonsterType = cItemSpawnEggHandler::ItemDamageToMonsterType(a_Item.m_ItemDamage);
+ if (MonsterType != eMonsterType::mtInvalidType)
+ {
+ Writer.BeginCompound("EntityTag");
+ Writer.AddString("id", cMonster::MobTypeToVanillaName(MonsterType));
+ Writer.EndCompound();
+ }
+ }
+
+ Writer.Finish();
+
+ AString Result = Writer.GetResult();
+ if (Result.size() == 0)
+ {
+ a_Pkt.WriteBEInt8(0);
+ return;
+ }
+ a_Pkt.WriteBuf(Result.data(), Result.size());
+}
+
+
+
+
+
+void cProtocol_1_9_0::WriteBlockEntity(cPacketizer & a_Pkt, const cBlockEntity & a_BlockEntity)
+{
+ cFastNBTWriter Writer;
+
+ switch (a_BlockEntity.GetBlockType())
+ {
+ case E_BLOCK_BEACON:
+ {
+ auto & BeaconEntity = reinterpret_cast<const cBeaconEntity &>(a_BlockEntity);
+ Writer.AddInt("x", BeaconEntity.GetPosX());
+ Writer.AddInt("y", BeaconEntity.GetPosY());
+ Writer.AddInt("z", BeaconEntity.GetPosZ());
+ Writer.AddInt("Primary", BeaconEntity.GetPrimaryEffect());
+ Writer.AddInt("Secondary", BeaconEntity.GetSecondaryEffect());
+ Writer.AddInt("Levels", BeaconEntity.GetBeaconLevel());
+ Writer.AddString("id", "Beacon"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+ break;
+ }
+
+ case E_BLOCK_COMMAND_BLOCK:
+ {
+ auto & CommandBlockEntity = reinterpret_cast<const cCommandBlockEntity &>(a_BlockEntity);
+ Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this
+ Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult());
+ Writer.AddInt("x", CommandBlockEntity.GetPosX());
+ Writer.AddInt("y", CommandBlockEntity.GetPosY());
+ Writer.AddInt("z", CommandBlockEntity.GetPosZ());
+ Writer.AddString("Command", CommandBlockEntity.GetCommand().c_str());
+ // You can set custom names for windows in Vanilla
+ // For a command block, this would be the 'name' prepended to anything it outputs into global chat
+ // MCS doesn't have this, so just leave it @ '@'. (geddit?)
+ Writer.AddString("CustomName", "@");
+ Writer.AddString("id", "Control"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+ if (!CommandBlockEntity.GetLastOutput().empty())
+ {
+ Writer.AddString("LastOutput", Printf("{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str()));
+ }
+ break;
+ }
+
+ case E_BLOCK_HEAD:
+ {
+ auto & MobHeadEntity = reinterpret_cast<const cMobHeadEntity &>(a_BlockEntity);
+ Writer.AddInt("x", MobHeadEntity.GetPosX());
+ Writer.AddInt("y", MobHeadEntity.GetPosY());
+ Writer.AddInt("z", MobHeadEntity.GetPosZ());
+ Writer.AddByte("SkullType", MobHeadEntity.GetType() & 0xFF);
+ Writer.AddByte("Rot", MobHeadEntity.GetRotation() & 0xFF);
+ Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+
+ // The new Block Entity format for a Mob Head. See: http://minecraft.gamepedia.com/Head#Block_entity
+ Writer.BeginCompound("Owner");
+ Writer.AddString("Id", MobHeadEntity.GetOwnerUUID());
+ Writer.AddString("Name", MobHeadEntity.GetOwnerName());
+ Writer.BeginCompound("Properties");
+ Writer.BeginList("textures", TAG_Compound);
+ Writer.BeginCompound("");
+ Writer.AddString("Signature", MobHeadEntity.GetOwnerTextureSignature());
+ Writer.AddString("Value", MobHeadEntity.GetOwnerTexture());
+ Writer.EndCompound();
+ Writer.EndList();
+ Writer.EndCompound();
+ Writer.EndCompound();
+ break;
+ }
+
+ case E_BLOCK_FLOWER_POT:
+ {
+ auto & FlowerPotEntity = reinterpret_cast<const cFlowerPotEntity &>(a_BlockEntity);
+ Writer.AddInt("x", FlowerPotEntity.GetPosX());
+ Writer.AddInt("y", FlowerPotEntity.GetPosY());
+ Writer.AddInt("z", FlowerPotEntity.GetPosZ());
+ Writer.AddInt("Item", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemType));
+ Writer.AddInt("Data", static_cast<Int32>(FlowerPotEntity.GetItem().m_ItemDamage));
+ Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+ break;
+ }
+
+ case E_BLOCK_MOB_SPAWNER:
+ {
+ auto & MobSpawnerEntity = reinterpret_cast<const cMobSpawnerEntity &>(a_BlockEntity);
+ Writer.AddInt("x", MobSpawnerEntity.GetPosX());
+ Writer.AddInt("y", MobSpawnerEntity.GetPosY());
+ Writer.AddInt("z", MobSpawnerEntity.GetPosZ());
+ Writer.AddString("EntityId", cMonster::MobTypeToVanillaName(MobSpawnerEntity.GetEntity()));
+ Writer.AddShort("Delay", MobSpawnerEntity.GetSpawnDelay());
+ Writer.AddString("id", "MobSpawner");
+ break;
+ }
+
+ default:
+ {
+ break;
+ }
+ }
+
+ Writer.Finish();
+ a_Pkt.WriteBuf(Writer.GetResult().data(), Writer.GetResult().size());
+}
+
+
+
+
+
+void cProtocol_1_9_0::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity)
+{
+ // Common metadata:
+ Int8 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;
+ }
+ a_Pkt.WriteBEUInt8(0); // Index 0
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE); // Type
+ a_Pkt.WriteBEInt8(Flags);
+
+ switch (a_Entity.GetEntityType())
+ {
+ case cEntity::etPlayer:
+ {
+ auto & Player = reinterpret_cast<const cPlayer &>(a_Entity);
+
+ // TODO Set player custom name to their name.
+ // Then it's possible to move the custom name of mobs to the entities
+ // and to remove the "special" player custom name.
+ a_Pkt.WriteBEUInt8(2); // Index 2: Custom name
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING);
+ a_Pkt.WriteString(Player.GetName());
+
+ a_Pkt.WriteBEUInt8(6); // Start metadata - Index 6: Health
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+ a_Pkt.WriteBEFloat(static_cast<float>(Player.GetHealth()));
+ break;
+ }
+ case cEntity::etPickup:
+ {
+ a_Pkt.WriteBEUInt8(5); // Index 5: Item
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+ WriteItem(a_Pkt, reinterpret_cast<const cPickup &>(a_Entity).GetItem());
+ break;
+ }
+ case cEntity::etMinecart:
+ {
+ a_Pkt.WriteBEUInt8(5); // Index 5: Shaking power
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+
+ // The following expression makes Minecarts shake more with less health or higher damage taken
+ auto & Minecart = reinterpret_cast<const cMinecart &>(a_Entity);
+ auto maxHealth = a_Entity.GetMaxHealth();
+ auto curHealth = a_Entity.GetHealth();
+ a_Pkt.WriteVarInt32(static_cast<UInt32>((maxHealth - curHealth) * Minecart.LastDamage() * 4));
+
+ a_Pkt.WriteBEUInt8(6); // Index 6: Shaking direction (doesn't seem to effect anything)
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(1);
+
+ a_Pkt.WriteBEUInt8(7); // Index 7: Shake multiplier / damage taken
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+ a_Pkt.WriteBEFloat(static_cast<float>(Minecart.LastDamage() + 10));
+
+ if (Minecart.GetPayload() == cMinecart::mpNone)
+ {
+ auto & RideableMinecart = reinterpret_cast<const cRideableMinecart &>(Minecart);
+ const cItem & MinecartContent = RideableMinecart.GetContent();
+ if (!MinecartContent.IsEmpty())
+ {
+ a_Pkt.WriteBEUInt8(8); // Index 8: Block ID and damage
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ int Content = MinecartContent.m_ItemType;
+ Content |= MinecartContent.m_ItemDamage << 8;
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Content));
+
+ a_Pkt.WriteBEUInt8(9); // Index 9: Block ID and damage
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(RideableMinecart.GetBlockHeight()));
+
+ a_Pkt.WriteBEUInt8(10); // Index 10: Show block
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(true);
+ }
+ }
+ else if (Minecart.GetPayload() == cMinecart::mpFurnace)
+ {
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is powered
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(reinterpret_cast<const cMinecartWithFurnace &>(Minecart).IsFueled());
+ }
+ break;
+ } // case etMinecart
+
+ case cEntity::etProjectile:
+ {
+ auto & Projectile = reinterpret_cast<const cProjectileEntity &>(a_Entity);
+ switch (Projectile.GetProjectileKind())
+ {
+ case cProjectileEntity::pkArrow:
+ {
+ a_Pkt.WriteBEUInt8(5); // Index 5: Is critical
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+ a_Pkt.WriteBEInt8(reinterpret_cast<const cArrowEntity &>(Projectile).IsCritical() ? 1 : 0);
+ break;
+ }
+ case cProjectileEntity::pkFirework:
+ {
+ a_Pkt.WriteBEUInt8(5); // Index 5: Firework item used for this firework
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+ WriteItem(a_Pkt, reinterpret_cast<const cFireworkEntity &>(Projectile).GetItem());
+ break;
+ }
+ case cProjectileEntity::pkSplashPotion:
+ {
+ a_Pkt.WriteBEUInt8(5); // Index 5: Potion item which was thrown
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+ WriteItem(a_Pkt, reinterpret_cast<const cSplashPotionEntity &>(Projectile).GetItem());
+ }
+ default:
+ {
+ break;
+ }
+ }
+ break;
+ } // case etProjectile
+
+ case cEntity::etMonster:
+ {
+ WriteMobMetadata(a_Pkt, reinterpret_cast<const cMonster &>(a_Entity));
+ break;
+ }
+
+ case cEntity::etBoat:
+ {
+ auto & Boat = reinterpret_cast<const cBoat &>(a_Entity);
+
+ a_Pkt.WriteBEInt8(5); // Index 6: Time since last hit
+ a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteBEInt32(Boat.GetLastDamage());
+
+ a_Pkt.WriteBEInt8(6); // Index 7: Forward direction
+ a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteBEInt32(Boat.GetForwardDirection());
+
+ a_Pkt.WriteBEInt8(7); // Index 8: Damage taken
+ a_Pkt.WriteBEInt8(METADATA_TYPE_FLOAT);
+ a_Pkt.WriteBEFloat(Boat.GetDamageTaken());
+
+ a_Pkt.WriteBEInt8(8); // Index 9: Type
+ a_Pkt.WriteBEInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteBEInt32(Boat.GetType());
+
+ a_Pkt.WriteBEInt8(9); // Index 10: Right paddle turning
+ a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Boat.IsRightPaddleUsed());
+
+ a_Pkt.WriteBEInt8(10); // Index 11: Left paddle turning
+ a_Pkt.WriteBEInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Boat.IsLeftPaddleUsed());
+
+ break;
+ } // case etBoat
+
+ case cEntity::etItemFrame:
+ {
+ auto & Frame = reinterpret_cast<const cItemFrame &>(a_Entity);
+ a_Pkt.WriteBEUInt8(5); // Index 5: Item
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_ITEM);
+ WriteItem(a_Pkt, Frame.GetItem());
+ a_Pkt.WriteBEUInt8(6); // Index 6: Rotation
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(Frame.GetItemRotation());
+ break;
+ } // case etItemFrame
+
+ default:
+ {
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_0::WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob)
+{
+ // Living Enitiy Metadata
+ if (a_Mob.HasCustomName())
+ {
+ // TODO: As of 1.9 _all_ entities can have custom names; should this be moved up?
+ a_Pkt.WriteBEUInt8(2); // Index 2: Custom name
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_STRING);
+ a_Pkt.WriteString(a_Mob.GetCustomName());
+
+ a_Pkt.WriteBEUInt8(3); // Index 3: Custom name always visible
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(a_Mob.IsCustomNameAlwaysVisible());
+ }
+
+ a_Pkt.WriteBEUInt8(6); // Index 6: Health
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+ a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
+
+ switch (a_Mob.GetMobType())
+ {
+ case mtBat:
+ {
+ auto & Bat = reinterpret_cast<const cBat &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Bat flags - currently only hanging
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+ a_Pkt.WriteBEInt8(Bat.IsHanging() ? 1 : 0);
+ break;
+ } // case mtBat
+
+ case mtCreeper:
+ {
+ auto & Creeper = reinterpret_cast<const cCreeper &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: State (idle or "blowing")
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(Creeper.IsBlowing() ? 1 : 0xffffffff);
+
+ a_Pkt.WriteBEUInt8(12); // Index 12: Is charged
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Creeper.IsCharged());
+
+ a_Pkt.WriteBEUInt8(13); // Index 13: Is ignited
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Creeper.IsBurnedWithFlintAndSteel());
+ break;
+ } // case mtCreeper
+
+ case mtEnderman:
+ {
+ auto & Enderman = reinterpret_cast<const cEnderman &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Carried block
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BLOCKID);
+ UInt32 Carried = 0;
+ Carried |= static_cast<UInt32>(Enderman.GetCarriedBlock() << 4);
+ Carried |= Enderman.GetCarriedMeta();
+ a_Pkt.WriteVarInt32(Carried);
+
+ a_Pkt.WriteBEUInt8(12); // Index 12: Is screaming
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Enderman.IsScreaming());
+ break;
+ } // case mtEnderman
+
+ case mtGhast:
+ {
+ auto & Ghast = reinterpret_cast<const cGhast &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Is attacking
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Ghast.IsCharging());
+ break;
+ } // case mtGhast
+
+ case mtHorse:
+ {
+ auto & Horse = reinterpret_cast<const cHorse &>(a_Mob);
+ Int8 Flags = 0;
+ if (Horse.IsTame())
+ {
+ Flags |= 0x02;
+ }
+ if (Horse.IsSaddled())
+ {
+ Flags |= 0x04;
+ }
+ if (Horse.IsChested())
+ {
+ Flags |= 0x08;
+ }
+ if (Horse.IsEating())
+ {
+ Flags |= 0x20;
+ }
+ if (Horse.IsRearing())
+ {
+ Flags |= 0x40;
+ }
+ if (Horse.IsMthOpen())
+ {
+ Flags |= 0x80;
+ }
+ a_Pkt.WriteBEUInt8(12); // Index 12: flags
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+ a_Pkt.WriteBEInt8(Flags);
+
+ a_Pkt.WriteBEUInt8(13); // Index 13: Variant / type
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseType()));
+
+ a_Pkt.WriteBEUInt8(14); // Index 14: Color / style
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ int Appearance = 0;
+ Appearance = Horse.GetHorseColor();
+ Appearance |= Horse.GetHorseStyle() << 8;
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Appearance));
+
+ a_Pkt.WriteBEUInt8(16); // Index 16: Armor
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Horse.GetHorseArmour()));
+
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Horse.IsBaby());
+ break;
+ } // case mtHorse
+
+ case mtMagmaCube:
+ {
+ auto & MagmaCube = reinterpret_cast<const cMagmaCube &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Size
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(MagmaCube.GetSize()));
+ break;
+ } // case mtMagmaCube
+
+ case mtOcelot:
+ {
+ auto & Ocelot = reinterpret_cast<const cOcelot &>(a_Mob);
+
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Ocelot.IsBaby());
+ break;
+ } // case mtOcelot
+
+ case mtCow:
+ {
+ auto & Cow = reinterpret_cast<const cCow &>(a_Mob);
+
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Cow.IsBaby());
+ break;
+ } // case mtCow
+
+ case mtChicken:
+ {
+ auto & Chicken = reinterpret_cast<const cChicken &>(a_Mob);
+
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Chicken.IsBaby());
+ break;
+ } // case mtChicken
+
+ case mtPig:
+ {
+ auto & Pig = reinterpret_cast<const cPig &>(a_Mob);
+
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Pig.IsBaby());
+
+ a_Pkt.WriteBEUInt8(12); // Index 12: Is saddled
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Pig.IsSaddled());
+
+ break;
+ } // case mtPig
+
+ case mtSheep:
+ {
+ auto & Sheep = reinterpret_cast<const cSheep &>(a_Mob);
+
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Sheep.IsBaby());
+
+ a_Pkt.WriteBEUInt8(12); // Index 12: sheared, color
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+ Int8 SheepMetadata = 0;
+ SheepMetadata = static_cast<Int8>(Sheep.GetFurColor());
+ if (Sheep.IsSheared())
+ {
+ SheepMetadata |= 0x10;
+ }
+ a_Pkt.WriteBEInt8(SheepMetadata);
+ break;
+ } // case mtSheep
+
+ case mtRabbit:
+ {
+ auto & Rabbit = reinterpret_cast<const cRabbit &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Rabbit.IsBaby());
+
+ a_Pkt.WriteBEUInt8(12); // Index 12: Type
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Rabbit.GetRabbitType()));
+ break;
+ } // case mtRabbit
+
+ case mtSkeleton:
+ {
+ auto & Skeleton = reinterpret_cast<const cSkeleton &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Type
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(Skeleton.IsWither() ? 1 : 0);
+ break;
+ } // case mtSkeleton
+
+ case mtSlime:
+ {
+ auto & Slime = reinterpret_cast<const cSlime &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Size
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Slime.GetSize()));
+ break;
+ } // case mtSlime
+
+ case mtVillager:
+ {
+ auto & Villager = reinterpret_cast<const cVillager &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Villager.IsBaby());
+
+ a_Pkt.WriteBEUInt8(12); // Index 12: Type
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Villager.GetVilType()));
+ break;
+ } // case mtVillager
+
+ case mtWitch:
+ {
+ auto & Witch = reinterpret_cast<const cWitch &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is angry
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Witch.IsAngry());
+ break;
+ } // case mtWitch
+
+ case mtWither:
+ {
+ auto & Wither = reinterpret_cast<const cWither &>(a_Mob);
+ a_Pkt.WriteBEUInt8(14); // Index 14: Invulnerable ticks
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(Wither.GetWitherInvulnerableTicks());
+
+ // TODO: Use boss bar packet for health
+ break;
+ } // case mtWither
+
+ case mtWolf:
+ {
+ auto & Wolf = reinterpret_cast<const cWolf &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Wolf.IsBaby());
+
+ Int8 WolfStatus = 0;
+ if (Wolf.IsSitting())
+ {
+ WolfStatus |= 0x1;
+ }
+ if (Wolf.IsAngry())
+ {
+ WolfStatus |= 0x2;
+ }
+ if (Wolf.IsTame())
+ {
+ WolfStatus |= 0x4;
+ }
+ a_Pkt.WriteBEUInt8(12); // Index 12: status
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BYTE);
+ a_Pkt.WriteBEInt8(WolfStatus);
+
+ a_Pkt.WriteBEUInt8(14); // Index 14: Health
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_FLOAT);
+ a_Pkt.WriteBEFloat(static_cast<float>(a_Mob.GetHealth()));
+
+ a_Pkt.WriteBEUInt8(15); // Index 15: Is begging
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Wolf.IsBegging());
+
+ a_Pkt.WriteBEUInt8(16); // Index 16: Collar color
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(static_cast<UInt32>(Wolf.GetCollarColor()));
+ break;
+ } // case mtWolf
+
+ case mtZombie:
+ {
+ auto & Zombie = reinterpret_cast<const cZombie &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Zombie.IsBaby());
+
+ a_Pkt.WriteBEUInt8(12); // Index 12: Is a villager
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_VARINT);
+ a_Pkt.WriteVarInt32(Zombie.IsVillagerZombie() ? 1 : 0); // TODO: This actually encodes the zombie villager profession, but that isn't implemented yet.
+
+ a_Pkt.WriteBEUInt8(13); // Index 13: Is converting
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(Zombie.IsConverting());
+ break;
+ } // case mtZombie
+
+ case mtZombiePigman:
+ {
+ auto & ZombiePigman = reinterpret_cast<const cZombiePigman &>(a_Mob);
+ a_Pkt.WriteBEUInt8(11); // Index 11: Is baby
+ a_Pkt.WriteBEUInt8(METADATA_TYPE_BOOL);
+ a_Pkt.WriteBool(ZombiePigman.IsBaby());
+ break;
+ } // case mtZombiePigman
+ } // switch (a_Mob.GetType())
+}
+
+
+
+
+
+void cProtocol_1_9_0::WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity)
+{
+ if (!a_Entity.IsMob())
+ {
+ // No properties for anything else than mobs
+ a_Pkt.WriteBEInt32(0);
+ return;
+ }
+
+ // const cMonster & Mob = (const cMonster &)a_Entity;
+
+ // TODO: Send properties and modifiers based on the mob type
+
+ a_Pkt.WriteBEInt32(0); // NumProperties
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cProtocol_1_9_1:
+
+cProtocol_1_9_1::cProtocol_1_9_1(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
+ super(a_Client, a_ServerAddress, a_ServerPort, a_State)
+{
+}
+
+
+
+
+
+void cProtocol_1_9_1::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+{
+ // Send the Join Game packet:
+ {
+ cServer * Server = cRoot::Get()->GetServer();
+ cPacketizer Pkt(*this, 0x23); // Join Game packet
+ Pkt.WriteBEUInt32(a_Player.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_Player.GetEffectiveGameMode()) | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4
+ Pkt.WriteBEInt32(static_cast<Int32>(a_World.GetDimension()));
+ Pkt.WriteBEUInt8(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteBEUInt8(static_cast<UInt8>(Clamp<int>(Server->GetMaxPlayers(), 0, 255)));
+ Pkt.WriteString("default"); // Level type - wtf?
+ Pkt.WriteBool(false); // Reduced Debug Info - wtf?
+ }
+
+ // Send the spawn position:
+ {
+ cPacketizer Pkt(*this, 0x43); // Spawn Position packet
+ Pkt.WritePosition64(FloorC(a_World.GetSpawnX()), FloorC(a_World.GetSpawnY()), FloorC(a_World.GetSpawnZ()));
+ }
+
+ // Send the server difficulty:
+ {
+ cPacketizer Pkt(*this, 0x0d); // Server difficulty packet
+ Pkt.WriteBEInt8(1);
+ }
+
+ // Send player abilities:
+ SendPlayerAbilities();
+}
+
+
+
+
+
+void cProtocol_1_9_1::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
+{
+ cServer * Server = cRoot::Get()->GetServer();
+ AString ServerDescription = Server->GetDescription();
+ int NumPlayers = Server->GetNumPlayers();
+ int MaxPlayers = Server->GetMaxPlayers();
+ AString Favicon = Server->GetFaviconData();
+ cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
+
+ // Version:
+ Json::Value Version;
+ Version["name"] = "Cuberite 1.9.1";
+ Version["protocol"] = 108;
+
+ // Players:
+ Json::Value Players;
+ Players["online"] = NumPlayers;
+ Players["max"] = MaxPlayers;
+ // TODO: Add "sample"
+
+ // Description:
+ Json::Value Description;
+ Description["text"] = ServerDescription.c_str();
+
+ // Create the response:
+ Json::Value ResponseValue;
+ ResponseValue["version"] = Version;
+ ResponseValue["players"] = Players;
+ ResponseValue["description"] = Description;
+ if (!Favicon.empty())
+ {
+ ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
+ }
+
+ Json::StyledWriter Writer;
+ AString Response = Writer.write(ResponseValue);
+
+ cPacketizer Pkt(*this, 0x00); // Response packet
+ Pkt.WriteString(Response);
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cProtocol_1_9_2:
+
+cProtocol_1_9_2::cProtocol_1_9_2(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
+ super(a_Client, a_ServerAddress, a_ServerPort, a_State)
+{
+}
+
+
+
+
+
+void cProtocol_1_9_2::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
+{
+ cServer * Server = cRoot::Get()->GetServer();
+ AString ServerDescription = Server->GetDescription();
+ int NumPlayers = Server->GetNumPlayers();
+ int MaxPlayers = Server->GetMaxPlayers();
+ AString Favicon = Server->GetFaviconData();
+ cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
+
+ // Version:
+ Json::Value Version;
+ Version["name"] = "Cuberite 1.9.2";
+ Version["protocol"] = 109;
+
+ // Players:
+ Json::Value Players;
+ Players["online"] = NumPlayers;
+ Players["max"] = MaxPlayers;
+ // TODO: Add "sample"
+
+ // Description:
+ Json::Value Description;
+ Description["text"] = ServerDescription.c_str();
+
+ // Create the response:
+ Json::Value ResponseValue;
+ ResponseValue["version"] = Version;
+ ResponseValue["players"] = Players;
+ ResponseValue["description"] = Description;
+ if (!Favicon.empty())
+ {
+ ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
+ }
+
+ Json::StyledWriter Writer;
+ AString Response = Writer.write(ResponseValue);
+
+ cPacketizer Pkt(*this, 0x00); // Response packet
+ Pkt.WriteString(Response);
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cProtocol_1_9_4:
+
+cProtocol_1_9_4::cProtocol_1_9_4(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
+ super(a_Client, a_ServerAddress, a_ServerPort, a_State)
+{
+}
+
+
+
+
+
+void cProtocol_1_9_4::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
+{
+ cServer * Server = cRoot::Get()->GetServer();
+ AString ServerDescription = Server->GetDescription();
+ int NumPlayers = Server->GetNumPlayers();
+ int MaxPlayers = Server->GetMaxPlayers();
+ AString Favicon = Server->GetFaviconData();
+ cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
+
+ // Version:
+ Json::Value Version;
+ Version["name"] = "Cuberite 1.9.4";
+ Version["protocol"] = 110;
+
+ // Players:
+ Json::Value Players;
+ Players["online"] = NumPlayers;
+ Players["max"] = MaxPlayers;
+ // TODO: Add "sample"
+
+ // Description:
+ Json::Value Description;
+ Description["text"] = ServerDescription.c_str();
+
+ // Create the response:
+ Json::Value ResponseValue;
+ ResponseValue["version"] = Version;
+ ResponseValue["players"] = Players;
+ ResponseValue["description"] = Description;
+ if (!Favicon.empty())
+ {
+ ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
+ }
+
+ Json::StyledWriter Writer;
+ AString Response = Writer.write(ResponseValue);
+
+ cPacketizer Pkt(*this, 0x00); // Response packet
+ Pkt.WriteString(Response);
+}
+
+
+
+
+
+void cProtocol_1_9_4::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player, int a_Count)
+{
+ UNUSED(a_Count);
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x48); // Collect Item packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteVarInt32(a_Player.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol_1_9_4::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ // 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_9_4, a_ChunkX, a_ChunkZ);
+
+ cCSLock Lock(m_CSPacket);
+ SendData(ChunkData.data(), ChunkData.size());
+}
+
+
+
+
+
+void cProtocol_1_9_4::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x4b); // Entity Effect packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_EffectID));
+ Pkt.WriteBEUInt8(static_cast<UInt8>(a_Amplifier));
+ Pkt.WriteVarInt32(static_cast<UInt32>(a_Duration));
+ Pkt.WriteBool(false); // Hide particles
+}
+
+
+
+
+
+void cProtocol_1_9_4::SendEntityProperties(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+
+ cPacketizer Pkt(*this, 0x4a); // Entity Properties packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ WriteEntityProperties(Pkt, a_Entity);
+}
+
+
+
+
+
+void cProtocol_1_9_4::SendPlayerMaxSpeed(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x4a); // Entity Properties
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteVarInt32(Player->GetUniqueID());
+ Pkt.WriteBEInt32(1); // Count
+ Pkt.WriteString("generic.movementSpeed");
+ // The default game speed is 0.1, multiply that value by the relative speed:
+ Pkt.WriteBEDouble(0.1 * Player->GetNormalMaxSpeed());
+ if (Player->IsSprinting())
+ {
+ Pkt.WriteVarInt32(1); // Modifier count
+ Pkt.WriteBEUInt64(0x662a6b8dda3e4c1c);
+ Pkt.WriteBEUInt64(0x881396ea6097278d); // UUID of the modifier
+ Pkt.WriteBEDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed());
+ Pkt.WriteBEUInt8(2);
+ }
+ else
+ {
+ Pkt.WriteVarInt32(0); // Modifier count
+ }
+}
+
+
+
+
+
+void cProtocol_1_9_4::SendTeleportEntity(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x49); // Entity teleport packet
+ Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+ Pkt.WriteBEDouble(a_Entity.GetPosX());
+ Pkt.WriteBEDouble(a_Entity.GetPosY());
+ Pkt.WriteBEDouble(a_Entity.GetPosZ());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteBool(a_Entity.IsOnGround());
+}
+
+
+
+
+
+void cProtocol_1_9_4::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ // 1.9.4 removed the update sign packet and now uses Update Block Entity
+ cPacketizer Pkt(*this, 0x09); // Update tile entity packet
+ Pkt.WritePosition64(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteBEUInt8(9); // Action 9 - update sign
+
+ cFastNBTWriter Writer;
+ Writer.AddInt("x", a_BlockX);
+ Writer.AddInt("y", a_BlockY);
+ Writer.AddInt("z", a_BlockZ);
+ Writer.AddString("id", "Sign");
+
+ Json::StyledWriter JsonWriter;
+ Json::Value Line1;
+ Line1["text"] = a_Line1;
+ Writer.AddString("Text1", JsonWriter.write(Line1));
+ Json::Value Line2;
+ Line2["text"] = a_Line2;
+ Writer.AddString("Text2", JsonWriter.write(Line2));
+ Json::Value Line3;
+ Line3["text"] = a_Line3;
+ Writer.AddString("Text3", JsonWriter.write(Line3));
+ Json::Value Line4;
+ Line4["text"] = a_Line4;
+ Writer.AddString("Text4", JsonWriter.write(Line4));
+
+ Writer.Finish();
+ Pkt.WriteBuf(Writer.GetResult().data(), Writer.GetResult().size());
+}