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-rw-r--r--src/Protocol/Protocol18x.cpp3244
1 files changed, 3244 insertions, 0 deletions
diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp
new file mode 100644
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--- /dev/null
+++ b/src/Protocol/Protocol18x.cpp
@@ -0,0 +1,3244 @@
+
+// Protocol18x.cpp
+
+/*
+Implements the 1.8.x protocol classes:
+ - cProtocol180
+ - release 1.8.0 protocol (#47)
+(others may be added later in the future for the 1.8 release series)
+*/
+
+#include "Globals.h"
+#include "json/json.h"
+#include "Protocol18x.h"
+#include "ChunkDataSerializer.h"
+#include "PolarSSL++/Sha1Checksum.h"
+
+#include "../ClientHandle.h"
+#include "../Root.h"
+#include "../Server.h"
+#include "../World.h"
+#include "../StringCompression.h"
+#include "../CompositeChat.h"
+#include "../Statistics.h"
+
+#include "../WorldStorage/FastNBT.h"
+#include "../WorldStorage/EnchantmentSerializer.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 "../Mobs/IncludeAllMonsters.h"
+#include "../UI/Window.h"
+
+#include "../BlockEntities/BeaconEntity.h"
+#include "../BlockEntities/CommandBlockEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
+#include "../BlockEntities/FlowerPotEntity.h"
+#include "Bindings/PluginManager.h"
+
+
+
+
+
+#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;
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cProtocol180:
+
+cProtocol180::cProtocol180(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
+ super(a_Client),
+ m_ServerAddress(a_ServerAddress),
+ m_ServerPort(a_ServerPort),
+ m_State(a_State),
+ m_ReceivedData(32 KiB),
+ m_OutPacketBuffer(64 KiB),
+ m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
+ m_IsEncrypted(false),
+ m_LastSentDimension(dimNotSet)
+{
+ // Create the comm log file, if so requested:
+ if (g_ShouldLogCommIn || g_ShouldLogCommOut)
+ {
+ static int sCounter = 0;
+ cFile::CreateFolder("CommLogs");
+ AString FileName = Printf("CommLogs/%x_%d__%s.log", (unsigned)time(NULL), sCounter++, a_Client->GetIPString().c_str());
+ m_CommLogFile.Open(FileName, cFile::fmWrite);
+ }
+}
+
+
+
+
+
+void cProtocol180::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, (Byte *)a_Data, NumBytes);
+ AddReceivedData((const char *)Decrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ AddReceivedData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+void cProtocol180::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1b); // Attach Entity packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteInt((a_Vehicle != NULL) ? a_Vehicle->GetUniqueID() : 0);
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol180::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, 0x24); // Block Action packet
+ Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteByte(a_Byte1);
+ Pkt.WriteByte(a_Byte2);
+ Pkt.WriteVarInt(a_BlockType);
+}
+
+
+
+
+
+void cProtocol180::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x25); // Block Break Animation packet
+ Pkt.WriteVarInt(a_EntityID);
+ Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteChar(a_Stage);
+}
+
+
+
+
+
+void cProtocol180::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, 0x23); // Block Change packet
+ Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteVarInt(((UInt32)a_BlockType << 4) | ((UInt32)a_BlockMeta & 15));
+}
+
+
+
+
+
+void cProtocol180::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x22); // Multi Block Change packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteVarInt((UInt32)a_Changes.size());
+ for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr)
+ {
+ short Coords = (short) (itr->y | (itr->z << 8) | (itr->x << 12));
+ Pkt.WriteShort(Coords);
+ Pkt.WriteVarInt((itr->BlockType & 0xFFF) << 4 | (itr->BlockMeta & 0xF));
+ } // for itr - a_Changes[]
+}
+
+
+
+
+
+void cProtocol180::SendChat(const AString & a_Message)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x02); // Chat Message packet
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str()));
+ Pkt.WriteChar(0);
+}
+
+
+
+
+
+void cProtocol180::SendChat(const cCompositeChat & a_Message)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cWorld * World = m_Client->GetPlayer()->GetWorld();
+ bool ShouldUseChatPrefixes = (World == NULL) ? false : World->ShouldUseChatPrefixes();
+
+ // Send the message to the client:
+ cPacketizer Pkt(*this, 0x02);
+ Pkt.WriteString(a_Message.CreateJsonString(ShouldUseChatPrefixes));
+ Pkt.WriteChar(0);
+}
+
+
+
+
+
+void cProtocol180::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_8_0, a_ChunkX, a_ChunkZ);
+
+ cCSLock Lock(m_CSPacket);
+ SendData(ChunkData.data(), ChunkData.size());
+}
+
+
+
+
+
+void cProtocol180::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0d); // Collect Item packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteVarInt(a_Player.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol180::SendDestroyEntity(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x13); // Destroy Entities packet
+ Pkt.WriteVarInt(1);
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol180::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, 0x40);
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str()));
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol180::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x36); // Sign Editor Open packet
+ Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
+}
+
+
+
+
+
+void cProtocol180::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1D); // Entity Effect packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_EffectID);
+ Pkt.WriteByte(a_Amplifier);
+ Pkt.WriteVarInt((UInt32)a_Duration);
+ Pkt.WriteBool(false); // Hide particles
+}
+
+
+
+
+
+void cProtocol180::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x04); // Entity Equipment packet
+ Pkt.WriteVarInt((UInt32)a_Entity.GetUniqueID());
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
+}
+
+
+
+
+
+void cProtocol180::SendEntityHeadLook(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x19); // Entity Head Look packet
+ Pkt.WriteVarInt((UInt32)a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetHeadYaw());
+}
+
+
+
+
+
+void cProtocol180::SendEntityLook(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x16); // Entity Look packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteBool(true); // TODO: IsOnGround() on entities
+}
+
+
+
+
+
+void cProtocol180::SendEntityMetadata(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteEntityMetadata(a_Entity);
+ Pkt.WriteByte(0x7f); // The termination byte
+}
+
+
+
+
+
+void cProtocol180::SendEntityProperties(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x20); // Entity Properties packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteEntityProperties(a_Entity);
+}
+
+
+
+
+
+void cProtocol180::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x15); // Entity Relative Move packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_RelX);
+ Pkt.WriteByte(a_RelY);
+ Pkt.WriteByte(a_RelZ);
+ Pkt.WriteBool(true); // TODO: IsOnGround() on entities
+}
+
+
+
+
+
+void cProtocol180::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x17); // Entity Look And Relative Move packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_RelX);
+ Pkt.WriteByte(a_RelY);
+ Pkt.WriteByte(a_RelZ);
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteBool(true); // TODO: IsOnGround() on entities
+}
+
+
+
+
+
+void cProtocol180::SendEntityStatus(const cEntity & a_Entity, char a_Status)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1a); // Entity Status packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteChar(a_Status);
+}
+
+
+
+
+
+void cProtocol180::SendEntityVelocity(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x12); // Entity Velocity packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ // 400 = 8000 / 20 ... Conversion from our speed in m/s to 8000 m/tick
+ Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol180::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, 0x27); // Explosion packet
+ Pkt.WriteFloat((float)a_BlockX);
+ Pkt.WriteFloat((float)a_BlockY);
+ Pkt.WriteFloat((float)a_BlockZ);
+ Pkt.WriteFloat((float)a_Radius);
+ Pkt.WriteInt((int)a_BlocksAffected.size());
+ for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(), end = a_BlocksAffected.end(); itr != end; ++itr)
+ {
+ Pkt.WriteChar((char)itr->x);
+ Pkt.WriteChar((char)itr->y);
+ Pkt.WriteChar((char)itr->z);
+ } // for itr - a_BlockAffected[]
+ Pkt.WriteFloat((float)a_PlayerMotion.x);
+ Pkt.WriteFloat((float)a_PlayerMotion.y);
+ Pkt.WriteFloat((float)a_PlayerMotion.z);
+}
+
+
+
+
+
+void cProtocol180::SendGameMode(eGameMode a_GameMode)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2b); // Change Game State packet
+ Pkt.WriteByte(3); // Reason: Change game mode
+ Pkt.WriteFloat((float)a_GameMode);
+}
+
+
+
+
+
+void cProtocol180::SendHealth(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x06); // Update Health packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteFloat((float)Player->GetHealth());
+ Pkt.WriteVarInt((UInt32)Player->GetFoodLevel());
+ Pkt.WriteFloat((float)Player->GetFoodSaturationLevel());
+}
+
+
+
+
+
+void cProtocol180::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2f); // Set Slot packet
+ Pkt.WriteChar(a_WindowID);
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
+}
+
+
+
+
+
+void cProtocol180::SendKeepAlive(int 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, 0x00); // Keep Alive packet
+ Pkt.WriteVarInt(a_PingID);
+}
+
+
+
+
+
+void cProtocol180::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+{
+ // Send the Join Game packet:
+ {
+ cServer * Server = cRoot::Get()->GetServer();
+ cPacketizer Pkt(*this, 0x01); // Join Game packet
+ Pkt.WriteInt(a_Player.GetUniqueID());
+ Pkt.WriteByte((Byte)a_Player.GetEffectiveGameMode() | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4
+ Pkt.WriteChar((char)a_World.GetDimension());
+ Pkt.WriteByte(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteByte(Server->GetMaxPlayers());
+ Pkt.WriteString("default"); // Level type - wtf?
+ Pkt.WriteBool(false); // Reduced Debug Info - wtf?
+ }
+ m_LastSentDimension = a_World.GetDimension();
+
+ // Send the spawn position:
+ {
+ cPacketizer Pkt(*this, 0x05); // Spawn Position packet
+ Pkt.WritePosition((int)a_World.GetSpawnX(), (int)a_World.GetSpawnY(), (int)a_World.GetSpawnZ());
+ }
+
+ // Send the server difficulty:
+ {
+ cPacketizer Pkt(*this, 0x41);
+ Pkt.WriteChar(1);
+ }
+
+ // Send player abilities:
+ SendPlayerAbilities();
+}
+
+
+
+
+void cProtocol180::SendLoginSuccess(void)
+{
+ ASSERT(m_State == 2); // State: login?
+
+ // Enable compression:
+ {
+ cPacketizer Pkt(*this, 0x03); // Set compression packet
+ Pkt.WriteVarInt(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 cProtocol180::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();
+
+ switch (a_Painting.GetDirection())
+ {
+ case 0: PosZ += 1; break;
+ case 1: PosX -= 1; break;
+ case 2: PosZ -= 1; break;
+ case 3: PosX += 1; break;
+ }
+
+ cPacketizer Pkt(*this, 0x10); // Spawn Painting packet
+ Pkt.WriteVarInt(a_Painting.GetUniqueID());
+ Pkt.WriteString(a_Painting.GetName().c_str());
+ Pkt.WritePosition((int)PosX, (int)PosY, (int)PosZ);
+ Pkt.WriteChar(a_Painting.GetDirection());
+}
+
+
+
+
+
+void cProtocol180::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length, unsigned int m_Scale)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x34);
+ Pkt.WriteVarInt(a_ID);
+ Pkt.WriteByte(m_Scale);
+
+ Pkt.WriteVarInt(0);
+ Pkt.WriteByte(1);
+ Pkt.WriteByte(a_Length);
+ Pkt.WriteByte(a_X);
+ Pkt.WriteByte(a_Y);
+
+ Pkt.WriteVarInt(a_Length);
+ for (unsigned int i = 0; i < a_Length; ++i)
+ {
+ Pkt.WriteByte(a_Colors[i]);
+ }
+}
+
+
+
+
+
+void cProtocol180::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decorators, unsigned int m_Scale)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x34);
+ Pkt.WriteVarInt(a_ID);
+ Pkt.WriteByte(m_Scale);
+ Pkt.WriteVarInt(a_Decorators.size());
+
+ for (cMapDecoratorList::const_iterator it = a_Decorators.begin(); it != a_Decorators.end(); ++it)
+ {
+ Pkt.WriteByte((it->GetType() << 4) | (it->GetRot() & 0xf));
+ Pkt.WriteByte(it->GetPixelX());
+ Pkt.WriteByte(it->GetPixelZ());
+ }
+
+ Pkt.WriteByte(0);
+}
+
+
+
+
+
+void cProtocol180::SendMapInfo(int a_ID, unsigned int a_Scale)
+{
+ UNUSED(a_ID);
+ UNUSED(a_Scale);
+
+ // This packet was removed in 1.8
+}
+
+
+
+
+
+void cProtocol180::SendPickupSpawn(const cPickup & a_Pickup)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ {
+ cPacketizer Pkt(*this, 0x0e); // Spawn Object packet
+ Pkt.WriteVarInt(a_Pickup.GetUniqueID());
+ Pkt.WriteByte(2); // Type = Pickup
+ Pkt.WriteFPInt(a_Pickup.GetPosX());
+ Pkt.WriteFPInt(a_Pickup.GetPosY());
+ Pkt.WriteFPInt(a_Pickup.GetPosZ());
+ Pkt.WriteByteAngle(a_Pickup.GetYaw());
+ Pkt.WriteByteAngle(a_Pickup.GetPitch());
+ Pkt.WriteInt(0); // No object data
+ }
+
+ {
+ cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
+ Pkt.WriteVarInt(a_Pickup.GetUniqueID());
+ Pkt.WriteByte((0x05 << 5) | 10); // Slot type + index 10
+ Pkt.WriteItem(a_Pickup.GetItem());
+ Pkt.WriteByte(0x7f); // End of metadata
+ }
+}
+
+
+
+
+
+void cProtocol180::SendPlayerAbilities(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x39); // 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.WriteByte(Flags);
+ Pkt.WriteFloat((float)(0.05 * Player->GetFlyingMaxSpeed()));
+ Pkt.WriteFloat((float)(0.1 * Player->GetNormalMaxSpeed()));
+}
+
+
+
+
+
+void cProtocol180::SendEntityAnimation(const cEntity & a_Entity, char a_Animation)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0b); // Animation packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteChar(a_Animation);
+}
+
+
+
+
+
+void cProtocol180::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, 0x2A);
+ Pkt.WriteInt(ParticleID);
+ Pkt.WriteBool(false);
+ Pkt.WriteFloat(a_SrcX);
+ Pkt.WriteFloat(a_SrcY);
+ Pkt.WriteFloat(a_SrcZ);
+ Pkt.WriteFloat(a_OffsetX);
+ Pkt.WriteFloat(a_OffsetY);
+ Pkt.WriteFloat(a_OffsetZ);
+ Pkt.WriteFloat(a_ParticleData);
+ Pkt.WriteInt(a_ParticleAmount);
+}
+
+
+
+
+
+void cProtocol180::SendPlayerListAddPlayer(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteVarInt(0);
+ Pkt.WriteVarInt(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+ Pkt.WriteString(a_Player.GetName());
+
+ const Json::Value & Properties = a_Player.GetClientHandle()->GetProperties();
+ Pkt.WriteVarInt(Properties.size());
+ for (Json::Value::iterator itr = Properties.begin(), end = Properties.end(); itr != end; ++itr)
+ {
+ Pkt.WriteString(((Json::Value)*itr).get("name", "").asString());
+ Pkt.WriteString(((Json::Value)*itr).get("value", "").asString());
+ AString Signature = ((Json::Value)*itr).get("signature", "").asString();
+ if (Signature.empty())
+ {
+ Pkt.WriteBool(false);
+ }
+ else
+ {
+ Pkt.WriteBool(true);
+ Pkt.WriteString(Signature);
+ }
+ }
+
+ Pkt.WriteVarInt((UInt32)a_Player.GetGameMode());
+ Pkt.WriteVarInt((UInt32)a_Player.GetClientHandle()->GetPing());
+
+ AString CustomName = a_Player.GetPlayerListName();
+ if (CustomName != a_Player.GetName())
+ {
+ Pkt.WriteBool(true);
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", CustomName.c_str()));
+ }
+ else
+ {
+ Pkt.WriteBool(false);
+ }
+}
+
+
+
+
+
+void cProtocol180::SendPlayerListRemovePlayer(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteVarInt(4);
+ Pkt.WriteVarInt(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+}
+
+
+
+
+
+void cProtocol180::SendPlayerListUpdateGameMode(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteVarInt(1);
+ Pkt.WriteVarInt(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+ Pkt.WriteVarInt((UInt32)a_Player.GetGameMode());
+}
+
+
+
+
+
+void cProtocol180::SendPlayerListUpdatePing(const cPlayer & a_Player)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteVarInt(2);
+ Pkt.WriteVarInt(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+ Pkt.WriteVarInt((UInt32)a_Player.GetClientHandle()->GetPing());
+}
+
+
+
+
+
+void cProtocol180::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_OldListName)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteVarInt(3);
+ Pkt.WriteVarInt(1);
+ Pkt.WriteUUID(a_Player.GetUUID());
+
+ AString CustomName = a_Player.GetPlayerListName();
+ if (CustomName == a_Player.GetName())
+ {
+ Pkt.WriteBool(false);
+ }
+ else
+ {
+ Pkt.WriteBool(true);
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", CustomName.c_str()));
+ }
+}
+
+
+
+
+
+void cProtocol180::SendPlayerMaxSpeed(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x20); // Entity Properties
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteVarInt(Player->GetUniqueID());
+ Pkt.WriteInt(1); // Count
+ Pkt.WriteString("generic.movementSpeed");
+ // The default game speed is 0.1, multiply that value by the relative speed:
+ Pkt.WriteDouble(0.1 * Player->GetNormalMaxSpeed());
+ if (Player->IsSprinting())
+ {
+ Pkt.WriteVarInt(1); // Modifier count
+ Pkt.WriteInt64(0x662a6b8dda3e4c1c);
+ Pkt.WriteInt64(0x881396ea6097278d); // UUID of the modifier
+ Pkt.WriteDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed());
+ Pkt.WriteByte(2);
+ }
+ else
+ {
+ Pkt.WriteVarInt(0); // Modifier count
+ }
+}
+
+
+
+
+
+void cProtocol180::SendPlayerMoveLook(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x08); // Player Position And Look packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteDouble(Player->GetPosX());
+
+ // The "+ 0.001" is there because otherwise the player falls through the block they were standing on.
+ Pkt.WriteDouble(Player->GetStance() + 0.001);
+
+ Pkt.WriteDouble(Player->GetPosZ());
+ Pkt.WriteFloat((float)Player->GetYaw());
+ Pkt.WriteFloat((float)Player->GetPitch());
+ Pkt.WriteByte(0);
+}
+
+
+
+
+
+void cProtocol180::SendPlayerPosition(void)
+{
+ // There is no dedicated packet for this, send the whole thing:
+ SendPlayerMoveLook();
+}
+
+
+
+
+
+void cProtocol180::SendPlayerSpawn(const cPlayer & a_Player)
+{
+ // Called to spawn another player for the client
+ cPacketizer Pkt(*this, 0x0c); // Spawn Player packet
+ Pkt.WriteVarInt(a_Player.GetUniqueID());
+ Pkt.WriteUUID(cMojangAPI::MakeUUIDShort(a_Player.GetUUID()));
+ Pkt.WriteFPInt(a_Player.GetPosX());
+ Pkt.WriteFPInt(a_Player.GetPosY());
+ Pkt.WriteFPInt(a_Player.GetPosZ());
+ Pkt.WriteByteAngle(a_Player.GetYaw());
+ Pkt.WriteByteAngle(a_Player.GetPitch());
+ short ItemType = a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType;
+ Pkt.WriteShort(ItemType);
+ Pkt.WriteByte((3 << 5) | 6); // Metadata: float + index 6
+ Pkt.WriteFloat((float)a_Player.GetHealth());
+ Pkt.WriteByte((4 << 5 | (2 & 0x1F)) & 0xFF);
+ Pkt.WriteString(a_Player.GetName());
+ Pkt.WriteByte(0x7f); // Metadata: end
+}
+
+
+
+
+
+void cProtocol180::SendPluginMessage(const AString & a_Channel, const AString & a_Message)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3f);
+ Pkt.WriteString(a_Channel);
+ Pkt.WriteBuf(a_Message.data(), a_Message.size());
+}
+
+
+
+
+
+void cProtocol180::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1e);
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_EffectID);
+}
+
+
+
+
+
+void cProtocol180::SendRespawn(eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks)
+{
+ if ((m_LastSentDimension == a_Dimension) && !a_ShouldIgnoreDimensionChecks)
+ {
+ // Must not send a respawn for the world with the same dimension, the client goes cuckoo if we do (unless we are respawning from death)
+ return;
+ }
+
+ cPacketizer Pkt(*this, 0x07); // Respawn packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteInt((int)a_Dimension);
+ Pkt.WriteByte(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteByte((Byte)Player->GetEffectiveGameMode());
+ Pkt.WriteString("default");
+ m_LastSentDimension = a_Dimension;
+}
+
+
+
+
+
+void cProtocol180::SendExperience(void)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x1f); // Experience Packet
+ cPlayer * Player = m_Client->GetPlayer();
+ Pkt.WriteFloat(Player->GetXpPercentage());
+ Pkt.WriteVarInt((UInt32)Player->GetXpLevel());
+ Pkt.WriteVarInt((UInt32)Player->GetCurrentXp());
+}
+
+
+
+
+
+void cProtocol180::SendExperienceOrb(const cExpOrb & a_ExpOrb)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x11);
+ Pkt.WriteVarInt(a_ExpOrb.GetUniqueID());
+ Pkt.WriteFPInt(a_ExpOrb.GetPosX());
+ Pkt.WriteFPInt(a_ExpOrb.GetPosY());
+ Pkt.WriteFPInt(a_ExpOrb.GetPosZ());
+ Pkt.WriteShort(a_ExpOrb.GetReward());
+}
+
+
+
+
+
+void cProtocol180::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3b);
+ Pkt.WriteString(a_Name);
+ Pkt.WriteByte(a_Mode);
+ if ((a_Mode == 0) || (a_Mode == 2))
+ {
+ Pkt.WriteString(a_DisplayName);
+ Pkt.WriteString("integer");
+ }
+}
+
+
+
+
+
+void cProtocol180::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, 0x3c);
+ Pkt.WriteString(a_Player);
+ Pkt.WriteByte(a_Mode);
+ Pkt.WriteString(a_Objective);
+
+ if (a_Mode != 1)
+ {
+ Pkt.WriteVarInt((UInt32) a_Score);
+ }
+}
+
+
+
+
+
+void cProtocol180::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3d);
+ Pkt.WriteByte((int) a_Display);
+ Pkt.WriteString(a_Objective);
+}
+
+
+
+
+
+void cProtocol180::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, 0x29); // Sound Effect packet
+ Pkt.WriteString(a_SoundName);
+ Pkt.WriteInt((int)(a_X * 8.0));
+ Pkt.WriteInt((int)(a_Y * 8.0));
+ Pkt.WriteInt((int)(a_Z * 8.0));
+ Pkt.WriteFloat(a_Volume);
+ Pkt.WriteByte((Byte)(a_Pitch * 63));
+}
+
+
+
+
+
+void cProtocol180::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x28); // Effect packet
+ Pkt.WriteInt(a_EffectID);
+ Pkt.WritePosition(a_SrcX, a_SrcY, a_SrcZ);
+ Pkt.WriteInt(a_Data);
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol180::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0e); // Spawn Object packet
+ Pkt.WriteVarInt(a_FallingBlock.GetUniqueID());
+ Pkt.WriteByte(70); // Falling block
+ Pkt.WriteFPInt(a_FallingBlock.GetPosX());
+ Pkt.WriteFPInt(a_FallingBlock.GetPosY());
+ Pkt.WriteFPInt(a_FallingBlock.GetPosZ());
+ Pkt.WriteByteAngle(a_FallingBlock.GetYaw());
+ Pkt.WriteByteAngle(a_FallingBlock.GetPitch());
+ Pkt.WriteInt(((int)a_FallingBlock.GetBlockType()) | (((int)a_FallingBlock.GetBlockMeta()) << 12));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol180::SendSpawnMob(const cMonster & a_Mob)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0f); // Spawn Mob packet
+ Pkt.WriteVarInt(a_Mob.GetUniqueID());
+ Pkt.WriteByte((Byte)a_Mob.GetMobType());
+ Pkt.WriteFPInt(a_Mob.GetPosX());
+ Pkt.WriteFPInt(a_Mob.GetPosY());
+ Pkt.WriteFPInt(a_Mob.GetPosZ());
+ Pkt.WriteByteAngle(a_Mob.GetPitch());
+ Pkt.WriteByteAngle(a_Mob.GetHeadYaw());
+ Pkt.WriteByteAngle(a_Mob.GetYaw());
+ Pkt.WriteShort((short)(a_Mob.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Mob.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Mob.GetSpeedZ() * 400));
+ Pkt.WriteEntityMetadata(a_Mob);
+ Pkt.WriteByte(0x7f); // Metadata terminator
+}
+
+
+
+
+
+void cProtocol180::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, 0xe); // Spawn Object packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_ObjectType);
+ Pkt.WriteFPInt(PosX);
+ Pkt.WriteFPInt(a_Entity.GetPosY());
+ Pkt.WriteFPInt(PosZ);
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteByteAngle(Yaw);
+ Pkt.WriteInt(a_ObjectData);
+ if (a_ObjectData != 0)
+ {
+ Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400));
+ }
+}
+
+
+
+
+
+void cProtocol180::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0xe); // Spawn Object packet
+ Pkt.WriteVarInt(a_Vehicle.GetUniqueID());
+ Pkt.WriteByte(a_VehicleType);
+ Pkt.WriteFPInt(a_Vehicle.GetPosX());
+ Pkt.WriteFPInt(a_Vehicle.GetPosY());
+ Pkt.WriteFPInt(a_Vehicle.GetPosZ());
+ Pkt.WriteByteAngle(a_Vehicle.GetPitch());
+ Pkt.WriteByteAngle(a_Vehicle.GetYaw());
+ Pkt.WriteInt(a_VehicleSubType);
+ if (a_VehicleSubType != 0)
+ {
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedZ() * 400));
+ }
+}
+
+
+
+
+
+void cProtocol180::SendStatistics(const cStatManager & a_Manager)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x37);
+ Pkt.WriteVarInt(statCount); // TODO 2014-05-11 xdot: Optimization: Send "dirty" statistics only
+
+ for (size_t i = 0; i < (size_t)statCount; ++i)
+ {
+ StatValue Value = a_Manager.GetValue((eStatistic) i);
+ const AString & StatName = cStatInfo::GetName((eStatistic) i);
+
+ Pkt.WriteString(StatName);
+ Pkt.WriteVarInt(Value);
+ }
+}
+
+
+
+
+
+void cProtocol180::SendTabCompletionResults(const AStringVector & a_Results)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x3a); // Tab-Complete packet
+ Pkt.WriteVarInt((int)a_Results.size());
+
+ for (AStringVector::const_iterator itr = a_Results.begin(), end = a_Results.end(); itr != end; ++itr)
+ {
+ Pkt.WriteString(*itr);
+ }
+}
+
+
+
+
+
+void cProtocol180::SendTeleportEntity(const cEntity & a_Entity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x18);
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteFPInt(a_Entity.GetPosX());
+ Pkt.WriteFPInt(a_Entity.GetPosY());
+ Pkt.WriteFPInt(a_Entity.GetPosZ());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteBool(true); // TODO: IsOnGrond() on entities
+}
+
+
+
+
+
+void cProtocol180::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2c); // Spawn Global Entity packet
+ Pkt.WriteVarInt(0); // EntityID = 0, always
+ Pkt.WriteByte(1); // Type = Thunderbolt
+ Pkt.WriteFPInt(a_BlockX);
+ Pkt.WriteFPInt(a_BlockY);
+ Pkt.WriteFPInt(a_BlockZ);
+}
+
+
+
+
+
+void cProtocol180::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, 0x03);
+ Pkt.WriteInt64(a_WorldAge);
+ Pkt.WriteInt64(a_TimeOfDay);
+}
+
+
+
+
+
+void cProtocol180::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x21); // Chunk Data packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteBool(true);
+ Pkt.WriteShort(0); // Primary bitmap
+ Pkt.WriteVarInt(0); // Data size
+}
+
+
+
+
+void cProtocol180::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x35); // Update tile entity packet
+ Pkt.WritePosition(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.WriteByte(Action);
+
+ Pkt.WriteBlockEntity(a_BlockEntity);
+}
+
+
+
+
+
+void cProtocol180::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, 0x33);
+ Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
+ Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line1.c_str()));
+ Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line2.c_str()));
+ Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line3.c_str()));
+ Pkt.WriteString(Printf("{\"text\": \"%s\"}", a_Line4.c_str()));
+}
+
+
+
+
+
+void cProtocol180::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x0a);
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
+}
+
+
+
+
+
+void cProtocol180::SendWeather(eWeather a_Weather)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ {
+ cPacketizer Pkt(*this, 0x2b); // Change Game State packet
+ Pkt.WriteByte((a_Weather == wSunny) ? 1 : 2); // End rain / begin rain
+ Pkt.WriteFloat(0); // Unused for weather
+ }
+
+ // TODO: Fade effect, somehow
+}
+
+
+
+
+
+void cProtocol180::SendWholeInventory(const cWindow & a_Window)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x30); // Window Items packet
+ Pkt.WriteChar(a_Window.GetWindowID());
+ Pkt.WriteShort(a_Window.GetNumSlots());
+ cItems Slots;
+ a_Window.GetSlots(*(m_Client->GetPlayer()), Slots);
+ for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr)
+ {
+ Pkt.WriteItem(*itr);
+ } // for itr - Slots[]
+}
+
+
+
+
+
+void cProtocol180::SendWindowClose(const cWindow & a_Window)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x2e);
+ Pkt.WriteChar(a_Window.GetWindowID());
+}
+
+
+
+
+
+void cProtocol180::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, 0x2d);
+ Pkt.WriteChar(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.WriteChar(0);
+ break;
+ }
+ default:
+ {
+ Pkt.WriteChar(a_Window.GetNumNonInventorySlots());
+ break;
+ }
+ }
+
+ if (a_Window.GetWindowType() == cWindow::wtAnimalChest)
+ {
+ Pkt.WriteInt(0); // TODO: The animal's EntityID
+ }
+}
+
+
+
+
+
+void cProtocol180::SendWindowProperty(const cWindow & a_Window, int a_Property, int a_Value)
+{
+ ASSERT(m_State == 3); // In game mode?
+
+ cPacketizer Pkt(*this, 0x31); // Window Property packet
+ Pkt.WriteChar(a_Window.GetWindowID());
+ Pkt.WriteShort(a_Property);
+ Pkt.WriteShort(a_Value);
+}
+
+
+
+
+
+bool cProtocol180::CompressPacket(const AString & a_Packet, AString & a_CompressedData)
+{
+ // Compress the data:
+ char CompressedData[MAX_COMPRESSED_PACKET_LEN];
+
+ uLongf CompressedSize = compressBound(a_Packet.size());
+ if (CompressedSize >= MAX_COMPRESSED_PACKET_LEN)
+ {
+ ASSERT(!"Too high packet size.");
+ return false;
+ }
+
+ int Status = compress2((Bytef*)CompressedData, &CompressedSize, (const Bytef*)a_Packet.data(), a_Packet.size(), Z_DEFAULT_COMPRESSION);
+ if (Status != Z_OK)
+ {
+ return false;
+ }
+
+ AString LengthData;
+ cByteBuffer Buffer(20);
+ Buffer.WriteVarInt((UInt32)a_Packet.size());
+ Buffer.ReadAll(LengthData);
+ Buffer.CommitRead();
+
+ Buffer.WriteVarInt(CompressedSize + LengthData.size());
+ Buffer.WriteVarInt(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 cProtocol180::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 cProtocol180::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 cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size)
+{
+ // Write the incoming data into the comm log file:
+ if (g_ShouldLogCommIn)
+ {
+ 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: %d (0x%x) bytes: \n%s\n",
+ (unsigned)a_Size, (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;
+ }
+ cByteBuffer bb(PacketLen);
+ VERIFY(m_ReceivedData.ReadToByteBuffer(bb, (int)PacketLen));
+ m_ReceivedData.CommitRead();
+
+ // Compressed packets
+ if (m_State == 3)
+ {
+ UInt32 CompressedSize;
+ if (!bb.ReadVarInt(CompressedSize))
+ {
+ // Not enough data
+ break;
+ }
+ }
+
+ // Write one NUL extra, so that we can detect over-reads
+ bb.Write("\0", 1);
+
+ UInt32 PacketType;
+ if (!bb.ReadVarInt(PacketType))
+ {
+ // Not enough data
+ break;
+ }
+
+ // Log the packet info into the comm log file:
+ if (g_ShouldLogCommIn)
+ {
+ AString PacketData;
+ bb.ReadAll(PacketData);
+ bb.ResetRead();
+ bb.ReadVarInt(PacketType);
+ ASSERT(PacketData.size() > 0);
+ 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("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(), (int)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.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n");
+ }
+
+ return;
+ }
+
+ if (bb.GetReadableSpace() != 0)
+ {
+ // Read more or less than packet length, report as error
+ LOGWARNING("Protocol 1.8: 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.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))
+ {
+ 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("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 cProtocol180::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: HandlePacketKeepAlive (a_ByteBuffer); return true;
+ case 0x01: HandlePacketChatMessage (a_ByteBuffer); return true;
+ case 0x02: HandlePacketUseEntity (a_ByteBuffer); return true;
+ case 0x03: HandlePacketPlayer (a_ByteBuffer); return true;
+ case 0x04: HandlePacketPlayerPos (a_ByteBuffer); return true;
+ case 0x05: HandlePacketPlayerLook (a_ByteBuffer); return true;
+ case 0x06: HandlePacketPlayerPosLook (a_ByteBuffer); return true;
+ case 0x07: HandlePacketBlockDig (a_ByteBuffer); return true;
+ case 0x08: HandlePacketBlockPlace (a_ByteBuffer); return true;
+ case 0x09: HandlePacketSlotSelect (a_ByteBuffer); return true;
+ case 0x0a: HandlePacketAnimation (a_ByteBuffer); return true;
+ case 0x0b: HandlePacketEntityAction (a_ByteBuffer); return true;
+ case 0x0c: HandlePacketSteerVehicle (a_ByteBuffer); return true;
+ case 0x0d: HandlePacketWindowClose (a_ByteBuffer); return true;
+ case 0x0e: HandlePacketWindowClick (a_ByteBuffer); return true;
+ case 0x0f: // Confirm transaction - not used in MCS
+ case 0x10: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true;
+ case 0x11: HandlePacketEnchantItem (a_ByteBuffer); return true;
+ case 0x12: HandlePacketUpdateSign (a_ByteBuffer); return true;
+ case 0x13: HandlePacketPlayerAbilities (a_ByteBuffer); return true;
+ case 0x14: HandlePacketTabComplete (a_ByteBuffer); return true;
+ case 0x15: HandlePacketClientSettings (a_ByteBuffer); return true;
+ case 0x16: HandlePacketClientStatus (a_ByteBuffer); return true;
+ case 0x17: HandlePacketPluginMessage (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 cProtocol180::HandlePacketStatusPing(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Timestamp);
+
+ cPacketizer Pkt(*this, 0x01); // Ping packet
+ Pkt.WriteInt64(Timestamp);
+}
+
+
+
+
+
+void cProtocol180::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"] = "1.8";
+ Version["protocol"] = 47;
+
+ // 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 cProtocol180::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer)
+{
+ UInt32 EncKeyLength, EncNonceLength;
+ a_ByteBuffer.ReadVarInt(EncKeyLength);
+ AString EncKey;
+ if (!a_ByteBuffer.ReadString(EncKey, EncKeyLength))
+ {
+ return;
+ }
+ a_ByteBuffer.ReadVarInt(EncNonceLength);
+ 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();
+ Int32 DecryptedNonce[MAX_ENC_LEN / sizeof(Int32)];
+ int res = rsaDecryptor.Decrypt((const Byte *)EncNonce.data(), EncNonce.size(), (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]) != (unsigned)(uintptr_t)this)
+ {
+ LOGD("Bad nonce value");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ // Decrypt the symmetric encryption key using privkey:
+ Byte DecryptedKey[MAX_ENC_LEN];
+ res = rsaDecryptor.Decrypt((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 cProtocol180::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.WriteVarInt((short)PubKeyDer.size());
+ Pkt.WriteBuf(PubKeyDer.data(), PubKeyDer.size());
+ Pkt.WriteVarInt(4);
+ Pkt.WriteInt((int)(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 cProtocol180::HandlePacketAnimation(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEInt, int, EntityID);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Animation);
+ m_Client->HandleAnimation(Animation);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Status);
+
+ int BlockX, BlockY, BlockZ;
+ if (!a_ByteBuffer.ReadPosition(BlockX, BlockY, BlockZ))
+ {
+ return;
+ }
+
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Face);
+ m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, static_cast<eBlockFace>(Face), Status);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer)
+{
+ int BlockX, BlockY, BlockZ;
+ if (!a_ByteBuffer.ReadPosition(BlockX, BlockY, BlockZ))
+ {
+ return;
+ }
+
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Face);
+ if (Face == 255)
+ {
+ Face = 0;
+ }
+
+ cItem Item;
+ ReadItem(a_ByteBuffer, Item, 3);
+
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorX);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorY);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorZ);
+ m_Client->HandleRightClick(BlockX, BlockY, BlockZ, static_cast<eBlockFace>(Face), CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem());
+}
+
+
+
+
+
+void cProtocol180::HandlePacketChatMessage(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Message);
+ m_Client->HandleChat(Message);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketClientSettings(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Locale);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, ViewDistance);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, ChatFlags);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, ChatColors);
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, SkinFlags);
+
+ m_Client->SetLocale(Locale);
+ // TODO: Handle other values
+}
+
+
+
+
+
+void cProtocol180::HandlePacketClientStatus(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, 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 cProtocol180::HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEShort, short, SlotNum);
+ cItem Item;
+ if (!ReadItem(a_ByteBuffer, Item))
+ {
+ return;
+ }
+ m_Client->HandleCreativeInventory(SlotNum, Item);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketEntityAction(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, PlayerID);
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, 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 cProtocol180::HandlePacketKeepAlive(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, KeepAliveID);
+ m_Client->HandleKeepAlive((int)KeepAliveID);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketPlayer(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, IsOnGround);
+ // TODO: m_Client->HandlePlayerOnGround(IsOnGround);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketPlayerAbilities(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Flags);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, FlyingSpeed);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, WalkingSpeed);
+
+ 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 cProtocol180::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 cProtocol180::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 + 1.62, IsOnGround);
+}
+
+
+
+
+
+void cProtocol180::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 cProtocol180::HandlePacketPluginMessage(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Channel);
+ AString Data;
+ a_ByteBuffer.ReadAll(Data);
+ m_Client->HandlePluginMessage(Channel, Data);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEShort, short, SlotNum);
+ m_Client->HandleSlotSelected(SlotNum);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Forward);
+ HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways);
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, Flags);
+
+ if ((Flags & 0x2) != 0)
+ {
+ m_Client->HandleUnmount();
+ }
+ else if ((Flags & 0x1) != 0)
+ {
+ m_Client->HandleSteerVehicle(Forward, Sideways);
+ }
+}
+
+
+
+
+
+void cProtocol180::HandlePacketTabComplete(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Text);
+ HANDLE_READ(a_ByteBuffer, ReadBool, bool, HasPosition);
+
+ if (HasPosition)
+ {
+ HANDLE_READ(a_ByteBuffer, ReadBEInt64, Int64, Position);
+ }
+
+ m_Client->HandleTabCompletion(Text);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer)
+{
+ int BlockX, BlockY, BlockZ;
+ if (!a_ByteBuffer.ReadPosition(BlockX, BlockY, BlockZ))
+ {
+ return;
+ }
+
+ AString Lines[4];
+ for (int i = 0; i < 4; i++)
+ {
+ HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line);
+ Lines[i] = Line.substr(1, Line.length() - 2); // Remove ""
+ }
+
+ m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Lines[0], Lines[1], Lines[2], Lines[3]);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketUseEntity(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, EntityID);
+ HANDLE_READ(a_ByteBuffer, ReadVarInt, UInt32, Type);
+
+ switch (Type)
+ {
+ case 0:
+ {
+ m_Client->HandleUseEntity((int)EntityID, false);
+ break;
+ }
+ case 1:
+ {
+ m_Client->HandleUseEntity((int)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);
+
+ // TODO: Do anything
+ break;
+ }
+ default:
+ {
+ ASSERT(!"Unhandled use entity type!");
+ return;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol180::HandlePacketEnchantItem(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, WindowID);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Enchantment);
+
+ m_Client->HandleEnchantItem(WindowID, Enchantment);
+}
+
+
+
+
+
+void cProtocol180::HandlePacketWindowClick(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, WindowID);
+ HANDLE_READ(a_ByteBuffer, ReadBEShort, short, SlotNum);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Button);
+ HANDLE_READ(a_ByteBuffer, ReadBEShort, short, TransactionID);
+ HANDLE_READ(a_ByteBuffer, ReadByte, Byte, 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 != -999) ? caLeftClick : caLeftClickOutside; break;
+ case 0x0001: Action = (SlotNum != -999) ? caRightClick : caRightClickOutside; break;
+ case 0x0100: Action = caShiftLeftClick; break;
+ case 0x0101: Action = caShiftRightClick; break;
+ case 0x0200: Action = caNumber1; break;
+ case 0x0201: Action = caNumber2; break;
+ case 0x0202: Action = caNumber3; break;
+ case 0x0203: Action = caNumber4; break;
+ case 0x0204: Action = caNumber5; break;
+ case 0x0205: Action = caNumber6; break;
+ case 0x0206: Action = caNumber7; break;
+ case 0x0207: Action = caNumber8; break;
+ case 0x0208: Action = caNumber9; break;
+ case 0x0300: Action = caMiddleClick; break;
+ case 0x0400: Action = (SlotNum == -999) ? caLeftClickOutsideHoldNothing : caDropKey; break;
+ case 0x0401: Action = (SlotNum == -999) ? caRightClickOutsideHoldNothing : caCtrlDropKey; break;
+ case 0x0500: Action = (SlotNum == -999) ? caLeftPaintBegin : caUnknown; break;
+ case 0x0501: Action = (SlotNum != -999) ? caLeftPaintProgress : caUnknown; break;
+ case 0x0502: Action = (SlotNum == -999) ? caLeftPaintEnd : caUnknown; break;
+ case 0x0504: Action = (SlotNum == -999) ? caRightPaintBegin : caUnknown; break;
+ case 0x0505: Action = (SlotNum != -999) ? caRightPaintProgress : caUnknown; break;
+ case 0x0506: Action = (SlotNum == -999) ? caRightPaintEnd : caUnknown; break;
+ case 0x0600: Action = caDblClick; break;
+ 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 cProtocol180::HandlePacketWindowClose(cByteBuffer & a_ByteBuffer)
+{
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, WindowID);
+ m_Client->HandleWindowClose(WindowID);
+}
+
+
+
+
+
+void cProtocol180::WritePacket(cByteBuffer & a_Packet)
+{
+ cCSLock Lock(m_CSPacket);
+ AString Pkt;
+ a_Packet.ReadAll(Pkt);
+ WriteVarInt((UInt32)Pkt.size());
+ SendData(Pkt.data(), Pkt.size());
+ Flush();
+}
+
+
+
+
+
+void cProtocol180::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, (Byte *)a_Data, NumBytes);
+ m_Client->SendData((const char *)Encrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ m_Client->SendData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+bool cProtocol180::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_RemainingBytes)
+{
+ HANDLE_PACKET_READ(a_ByteBuffer, ReadBEShort, short, ItemType);
+ if (ItemType == -1)
+ {
+ // The item is empty, no more data follows
+ a_Item.Empty();
+ return true;
+ }
+ a_Item.m_ItemType = ItemType;
+
+ HANDLE_PACKET_READ(a_ByteBuffer, ReadChar, char, ItemCount);
+ HANDLE_PACKET_READ(a_ByteBuffer, ReadBEShort, short, 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_RemainingBytes) || (Metadata.size() == 0) || (Metadata[0] == 0))
+ {
+ // No metadata
+ return true;
+ }
+
+ ParseItemMetadata(a_Item, Metadata);
+ return true;
+}
+
+
+
+
+
+void cProtocol180::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(), a_Metadata.size(), 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 ((TagName == "Fireworks") || (TagName == "Explosion"))
+ {
+ cFireworkItem::ParseFromNBT(a_Item.m_FireworkItem, NBT, tag, (ENUM_ITEM_ID)a_Item.m_ItemType);
+ }
+ break;
+ }
+ case TAG_Int:
+ {
+ if (TagName == "RepairCost")
+ {
+ a_Item.m_RepairCost = NBT.GetInt(tag);
+ }
+ }
+ default: LOGD("Unimplemented NBT data when parsing!"); break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol180::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((const Byte *)ServerID.c_str(), ServerID.length());
+ Checksum.Update(a_Key, 16);
+ Checksum.Update((const Byte *)Server->GetPublicKeyDER().data(), Server->GetPublicKeyDER().size());
+ Byte Digest[20];
+ Checksum.Finalize(Digest);
+ cSha1Checksum::DigestToJava(Digest, m_AuthServerID);
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cProtocol180::cPacketizer:
+
+cProtocol180::cPacketizer::~cPacketizer()
+{
+ UInt32 PacketLen = (UInt32)m_Out.GetUsedSpace();
+ AString PacketData, CompressedPacket;
+ m_Out.ReadAll(PacketData);
+ m_Out.CommitRead();
+
+ if ((m_Protocol.m_State == 3) && (PacketLen >= 256))
+ {
+ if (!cProtocol180::CompressPacket(PacketData, CompressedPacket))
+ {
+ return;
+ }
+ }
+ else if (m_Protocol.m_State == 3)
+ {
+ m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen + 1);
+ m_Protocol.m_OutPacketLenBuffer.WriteVarInt(0);
+
+ AString LengthData;
+ m_Protocol.m_OutPacketLenBuffer.ReadAll(LengthData);
+ m_Protocol.SendData(LengthData.data(), LengthData.size());
+ }
+ else
+ {
+ m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen);
+
+ AString LengthData;
+ m_Protocol.m_OutPacketLenBuffer.ReadAll(LengthData);
+ m_Protocol.SendData(LengthData.data(), LengthData.size());
+ }
+
+ if (CompressedPacket.empty())
+ {
+ m_Protocol.m_OutPacketLenBuffer.CommitRead();
+ m_Protocol.SendData(PacketData.data(), PacketData.size());
+ }
+ else
+ {
+ m_Protocol.SendData(CompressedPacket.data(), CompressedPacket.size());
+ }
+
+ // Log the comm into logfile:
+ if (g_ShouldLogCommOut)
+ {
+ AString Hex;
+ ASSERT(PacketData.size() > 0);
+ CreateHexDump(Hex, PacketData.data() + 1, PacketData.size() - 1, 16);
+ m_Protocol.m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload:\n%s\n",
+ PacketData[0], PacketData[0], PacketLen, PacketLen, m_Protocol.m_State, Hex.c_str()
+ );
+ }
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteUUID(const AString & a_UUID)
+{
+ if (a_UUID.length() != 32)
+ {
+ LOGWARNING("Attempt to send a bad uuid (length isn't 32): %s", a_UUID.c_str());
+ ASSERT(!"Wrong uuid length!");
+ return;
+ }
+ AString UUID_1 = a_UUID.substr(0, 16);
+ AString UUID_2 = a_UUID.substr(16);
+
+ Int64 Value_1, Value_2;
+ sscanf(UUID_1.c_str(), "%llx", &Value_1);
+ sscanf(UUID_2.c_str(), "%llx", &Value_2);
+
+ WriteInt64(Value_1);
+ WriteInt64(Value_2);
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteItem(const cItem & a_Item)
+{
+ short ItemType = a_Item.m_ItemType;
+ ASSERT(ItemType >= -1); // Check validity of packets in debug runtime
+ if (ItemType <= 0)
+ {
+ // Fix, to make sure no invalid values are sent.
+ ItemType = -1;
+ }
+
+ if (a_Item.IsEmpty())
+ {
+ WriteShort(-1);
+ return;
+ }
+
+ WriteShort(ItemType);
+ WriteByte (a_Item.m_ItemCount);
+ WriteShort(a_Item.m_ItemDamage);
+
+ if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (a_Item.m_ItemType != E_ITEM_FIREWORK_ROCKET) && (a_Item.m_ItemType != E_ITEM_FIREWORK_STAR))
+ {
+ WriteChar(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())
+ {
+ Writer.BeginCompound("display");
+ 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, (ENUM_ITEM_ID)a_Item.m_ItemType);
+ }
+ Writer.Finish();
+
+ AString Result = Writer.GetResult();
+ if (Result.size() == 0)
+ {
+ WriteChar(0);
+ return;
+ }
+ WriteBuf(Result.data(), Result.size());
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEntity)
+{
+ cFastNBTWriter Writer;
+
+ switch (a_BlockEntity.GetBlockType())
+ {
+ case E_BLOCK_BEACON:
+ {
+ cBeaconEntity & BeaconEntity = (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:
+ {
+ cCommandBlockEntity & CommandBlockEntity = (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())
+ {
+ AString Output;
+ Printf(Output, "{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str());
+
+ Writer.AddString("LastOutput", Output.c_str());
+ }
+ break;
+ }
+ case E_BLOCK_HEAD:
+ {
+ cMobHeadEntity & MobHeadEntity = (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("ExtraType", MobHeadEntity.GetOwner().c_str());
+ Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+ break;
+ }
+ case E_BLOCK_FLOWER_POT:
+ {
+ cFlowerPotEntity & FlowerPotEntity = (cFlowerPotEntity &)a_BlockEntity;
+
+ Writer.AddInt("x", FlowerPotEntity.GetPosX());
+ Writer.AddInt("y", FlowerPotEntity.GetPosY());
+ Writer.AddInt("z", FlowerPotEntity.GetPosZ());
+ Writer.AddInt("Item", (Int32) FlowerPotEntity.GetItem().m_ItemType);
+ Writer.AddInt("Data", (Int32) FlowerPotEntity.GetItem().m_ItemDamage);
+ Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+ break;
+ }
+ default: break;
+ }
+
+ Writer.Finish();
+ WriteBuf(Writer.GetResult().data(), Writer.GetResult().size());
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteByteAngle(double a_Angle)
+{
+ WriteByte((char)(255 * a_Angle / 360));
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteFPInt(double a_Value)
+{
+ int Value = (int)(a_Value * 32);
+ WriteInt(Value);
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
+{
+ // Common metadata:
+ Byte Flags = 0;
+ if (a_Entity.IsOnFire())
+ {
+ Flags |= 0x01;
+ }
+ if (a_Entity.IsCrouched())
+ {
+ Flags |= 0x02;
+ }
+ if (a_Entity.IsSprinting())
+ {
+ Flags |= 0x08;
+ }
+ if (a_Entity.IsRclking())
+ {
+ Flags |= 0x10;
+ }
+ if (a_Entity.IsInvisible())
+ {
+ Flags |= 0x20;
+ }
+ WriteByte(0); // Byte(0) + index 0
+ WriteByte(Flags);
+
+ switch (a_Entity.GetEntityType())
+ {
+ case cEntity::etPlayer: break; // TODO?
+ case cEntity::etPickup:
+ {
+ WriteByte((5 << 5) | 10); // Slot(5) + index 10
+ WriteItem(((const cPickup &)a_Entity).GetItem());
+ break;
+ }
+ case cEntity::etMinecart:
+ {
+ WriteByte(0x51);
+
+ // The following expression makes Minecarts shake more with less health or higher damage taken
+ // It gets half the maximum health, and takes it away from the current health minus the half health:
+ /*
+ Health: 5 | 3 - (5 - 3) = 1 (shake power)
+ Health: 3 | 3 - (3 - 3) = 3
+ Health: 1 | 3 - (1 - 3) = 5
+ */
+ WriteInt((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * ((const cMinecart &)a_Entity).LastDamage()) * 4);
+ WriteByte(0x52);
+ WriteInt(1); // Shaking direction, doesn't seem to affect anything
+ WriteByte(0x73);
+ WriteFloat((float)(((const cMinecart &)a_Entity).LastDamage() + 10)); // Damage taken / shake effect multiplyer
+
+ if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpNone)
+ {
+ cRideableMinecart & RideableMinecart = ((cRideableMinecart &)a_Entity);
+ const cItem & MinecartContent = RideableMinecart.GetContent();
+ if (!MinecartContent.IsEmpty())
+ {
+ WriteByte(0x54);
+ int Content = MinecartContent.m_ItemType;
+ Content |= MinecartContent.m_ItemDamage << 8;
+ WriteInt(Content);
+ WriteByte(0x55);
+ WriteInt(RideableMinecart.GetBlockHeight());
+ WriteByte(0x56);
+ WriteByte(1);
+ }
+ }
+ else if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpFurnace)
+ {
+ WriteByte(0x10);
+ WriteByte(((const cMinecartWithFurnace &)a_Entity).IsFueled() ? 1 : 0);
+ }
+ break;
+ }
+ case cEntity::etProjectile:
+ {
+ cProjectileEntity & Projectile = (cProjectileEntity &)a_Entity;
+ switch (Projectile.GetProjectileKind())
+ {
+ case cProjectileEntity::pkArrow:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0);
+ break;
+ }
+ case cProjectileEntity::pkFirework:
+ {
+ WriteByte(0xA8);
+ WriteItem(((const cFireworkEntity &)a_Entity).GetItem());
+ break;
+ }
+ default: break;
+ }
+ break;
+ }
+ case cEntity::etMonster:
+ {
+ WriteMobMetadata((const cMonster &)a_Entity);
+ break;
+ }
+ case cEntity::etItemFrame:
+ {
+ cItemFrame & Frame = (cItemFrame &)a_Entity;
+ WriteByte(0xA8);
+ WriteItem(Frame.GetItem());
+ WriteByte(0x09);
+ WriteByte(Frame.GetRotation());
+ break;
+ }
+ default: break;
+ }
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
+{
+ switch (a_Mob.GetMobType())
+ {
+ case mtCreeper:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cCreeper &)a_Mob).IsBlowing() ? 1 : -1);
+ WriteByte(0x11);
+ WriteByte(((const cCreeper &)a_Mob).IsCharged() ? 1 : 0);
+ break;
+ }
+
+ case mtBat:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cBat &)a_Mob).IsHanging() ? 1 : 0);
+ break;
+ }
+
+ case mtPig:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cPig &)a_Mob).IsSaddled() ? 1 : 0);
+ break;
+ }
+
+ case mtVillager:
+ {
+ WriteByte(0x50);
+ WriteInt(((const cVillager &)a_Mob).GetVilType());
+ break;
+ }
+
+ case mtZombie:
+ {
+ WriteByte(0x0c);
+ WriteByte(((const cZombie &)a_Mob).IsBaby() ? 1 : 0);
+ WriteByte(0x0d);
+ WriteByte(((const cZombie &)a_Mob).IsVillagerZombie() ? 1 : 0);
+ WriteByte(0x0e);
+ WriteByte(((const cZombie &)a_Mob).IsConverting() ? 1 : 0);
+ break;
+ }
+
+ case mtGhast:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cGhast &)a_Mob).IsCharging());
+ break;
+ }
+
+ case mtWolf:
+ {
+ const cWolf & Wolf = (const cWolf &)a_Mob;
+ Byte WolfStatus = 0;
+ if (Wolf.IsSitting())
+ {
+ WolfStatus |= 0x1;
+ }
+ if (Wolf.IsAngry())
+ {
+ WolfStatus |= 0x2;
+ }
+ if (Wolf.IsTame())
+ {
+ WolfStatus |= 0x4;
+ }
+ WriteByte(0x10);
+ WriteByte(WolfStatus);
+
+ WriteByte(0x72);
+ WriteFloat((float)(a_Mob.GetHealth()));
+ WriteByte(0x13);
+ WriteByte(Wolf.IsBegging() ? 1 : 0);
+ WriteByte(0x14);
+ WriteByte(Wolf.GetCollarColor());
+ break;
+ }
+
+ case mtSheep:
+ {
+ WriteByte(0x10);
+ Byte SheepMetadata = 0;
+ SheepMetadata = ((const cSheep &)a_Mob).GetFurColor();
+ if (((const cSheep &)a_Mob).IsSheared())
+ {
+ SheepMetadata |= 0x10;
+ }
+ WriteByte(SheepMetadata);
+ break;
+ }
+
+ case mtEnderman:
+ {
+ WriteByte(0x30);
+ WriteShort((Byte)(((const cEnderman &)a_Mob).GetCarriedBlock()));
+ WriteByte(0x11);
+ WriteByte((Byte)(((const cEnderman &)a_Mob).GetCarriedMeta()));
+ WriteByte(0x12);
+ WriteByte(((const cEnderman &)a_Mob).IsScreaming() ? 1 : 0);
+ break;
+ }
+
+ case mtSkeleton:
+ {
+ WriteByte(0x0d);
+ WriteByte(((const cSkeleton &)a_Mob).IsWither() ? 1 : 0);
+ break;
+ }
+
+ case mtWitch:
+ {
+ WriteByte(0x15);
+ WriteByte(((const cWitch &)a_Mob).IsAngry() ? 1 : 0);
+ break;
+ }
+
+ case mtWither:
+ {
+ WriteByte(0x54); // Int at index 20
+ WriteInt(((const cWither &)a_Mob).GetWitherInvulnerableTicks());
+ WriteByte(0x66); // Float at index 6
+ WriteFloat((float)(a_Mob.GetHealth()));
+ break;
+ }
+
+ case mtSlime:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cSlime &)a_Mob).GetSize());
+ break;
+ }
+
+ case mtMagmaCube:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cMagmaCube &)a_Mob).GetSize());
+ break;
+ }
+
+ case mtHorse:
+ {
+ const cHorse & Horse = (const cHorse &)a_Mob;
+ int Flags = 0;
+ if (Horse.IsTame())
+ {
+ Flags |= 0x02;
+ }
+ if (Horse.IsSaddled())
+ {
+ Flags |= 0x04;
+ }
+ if (Horse.IsChested())
+ {
+ Flags |= 0x08;
+ }
+ if (Horse.IsBaby())
+ {
+ Flags |= 0x10;
+ }
+ if (Horse.IsEating())
+ {
+ Flags |= 0x20;
+ }
+ if (Horse.IsRearing())
+ {
+ Flags |= 0x40;
+ }
+ if (Horse.IsMthOpen())
+ {
+ Flags |= 0x80;
+ }
+ WriteByte(0x50); // Int at index 16
+ WriteInt(Flags);
+ WriteByte(0x13); // Byte at index 19
+ WriteByte(Horse.GetHorseType());
+ WriteByte(0x54); // Int at index 20
+ int Appearance = 0;
+ Appearance = Horse.GetHorseColor();
+ Appearance |= Horse.GetHorseStyle() << 8;
+ WriteInt(Appearance);
+ WriteByte(0x56); // Int at index 22
+ WriteInt(Horse.GetHorseArmour());
+ break;
+ }
+ } // switch (a_Mob.GetType())
+}
+
+
+
+
+
+void cProtocol180::cPacketizer::WriteEntityProperties(const cEntity & a_Entity)
+{
+ if (!a_Entity.IsMob())
+ {
+ // No properties for anything else than mobs
+ WriteInt(0);
+ return;
+ }
+
+ // const cMonster & Mob = (const cMonster &)a_Entity;
+
+ // TODO: Send properties and modifiers based on the mob type
+
+ WriteInt(0); // NumProperties
+}
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 11:51:10 +0100