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authorworktycho <work.tycho@gmail.com>2013-12-09 18:51:12 +0100
committerworktycho <work.tycho@gmail.com>2013-12-09 18:51:12 +0100
commit843605d59ebc128be0a578dc6f45ef8c05da6e79 (patch)
tree3ffebc6ba27baf7a9e1d4bc51501ffeea9b14226 /src/Protocol/Protocol17x.cpp
parentmerged makefile changes (diff)
parentFix Undefined behavior at Bindings/LuaWindow line 32 (diff)
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Diffstat (limited to 'src/Protocol/Protocol17x.cpp')
-rw-r--r--src/Protocol/Protocol17x.cpp1943
1 files changed, 1943 insertions, 0 deletions
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
new file mode 100644
index 000000000..75983e9a3
--- /dev/null
+++ b/src/Protocol/Protocol17x.cpp
@@ -0,0 +1,1943 @@
+
+// Protocol17x.cpp
+
+/*
+Implements the 1.7.x protocol classes:
+ - cProtocol172
+ - release 1.7.2 protocol (#4)
+(others may be added later in the future for the 1.7 release series)
+*/
+
+#include "Globals.h"
+#include "Protocol17x.h"
+#include "ChunkDataSerializer.h"
+#include "../ClientHandle.h"
+#include "../Root.h"
+#include "../Server.h"
+#include "../World.h"
+#include "../WorldStorage/FastNBT.h"
+#include "../StringCompression.h"
+#include "../Entities/ExpOrb.h"
+#include "../Entities/Minecart.h"
+#include "../Entities/FallingBlock.h"
+#include "../Entities/Pickup.h"
+#include "../Entities/Player.h"
+#include "../Mobs/IncludeAllMonsters.h"
+#include "../UI/Window.h"
+
+
+
+
+
+#define HANDLE_READ(Proc, Type, Var) \
+ Type Var; \
+ m_ReceivedData.Proc(Var);
+
+
+
+
+
+#define HANDLE_PACKET_READ(Proc, Type, Var) \
+ Type Var; \
+ { \
+ if (!m_ReceivedData.Proc(Var)) \
+ { \
+ m_ReceivedData.CheckValid(); \
+ return false; \
+ } \
+ m_ReceivedData.CheckValid(); \
+ }
+
+
+
+
+
+cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
+ super(a_Client),
+ m_ServerAddress(a_ServerAddress),
+ m_ServerPort(a_ServerPort),
+ m_State(a_State),
+ m_ReceivedData(32 KiB),
+ m_OutPacketBuffer(64 KiB),
+ m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
+ m_IsEncrypted(false)
+{
+}
+
+
+
+
+
+void cProtocol172::DataReceived(const char * a_Data, int a_Size)
+{
+ if (m_IsEncrypted)
+ {
+ byte Decrypted[512];
+ while (a_Size > 0)
+ {
+ int NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
+ m_Decryptor.ProcessData(Decrypted, (byte *)a_Data, NumBytes);
+ AddReceivedData((const char *)Decrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ AddReceivedData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+void cProtocol172::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle)
+{
+ cPacketizer Pkt(*this, 0x1b); // Attach Entity packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteInt((a_Vehicle != NULL) ? a_Vehicle->GetUniqueID() : 0);
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol172::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
+{
+ cPacketizer Pkt(*this, 0x24); // Block Action packet
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteShort(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+ Pkt.WriteByte(a_Byte1);
+ Pkt.WriteByte(a_Byte2);
+ Pkt.WriteVarInt(a_BlockType);
+}
+
+
+
+
+
+void cProtocol172::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
+{
+ cPacketizer Pkt(*this, 0x24); // Block Break Animation packet
+ Pkt.WriteInt(a_EntityID);
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteInt(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+ Pkt.WriteChar(a_Stage);
+}
+
+
+
+
+
+void cProtocol172::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
+{
+ cPacketizer Pkt(*this, 0x23); // Block Change packet
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteByte(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+ Pkt.WriteVarInt(a_BlockType);
+ Pkt.WriteByte(a_BlockMeta);
+}
+
+
+
+
+
+void cProtocol172::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
+{
+ cPacketizer Pkt(*this, 0x22); // Multi Block Change packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteShort((short)a_Changes.size());
+ Pkt.WriteInt(a_Changes.size() * 4);
+ for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr)
+ {
+ unsigned int Coords = itr->y | (itr->z << 8) | (itr->x << 12);
+ unsigned int Blocks = itr->BlockMeta | (itr->BlockType << 4);
+ Pkt.WriteInt((Coords << 16) | Blocks);
+ } // for itr - a_Changes[]
+}
+
+
+
+
+
+void cProtocol172::SendChat(const AString & a_Message)
+{
+ cPacketizer Pkt(*this, 0x02); // Chat Message packet
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str()));
+}
+
+
+
+
+
+void cProtocol172::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
+{
+ // Serialize first, before creating the Packetizer (the packetizer locks a CS)
+ // This contains the flags and bitmasks, too
+ const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_3_2);
+
+ cPacketizer Pkt(*this, 0x21); // Chunk Data packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteBuf(ChunkData.data(), ChunkData.size());
+}
+
+
+
+
+
+void cProtocol172::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player)
+{
+ cPacketizer Pkt(*this, 0x0d); // Collect Item packet
+ Pkt.WriteInt(a_Pickup.GetUniqueID());
+ Pkt.WriteInt(a_Player.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol172::SendDestroyEntity(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x13); // Destroy Entities packet
+ Pkt.WriteByte(1);
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+}
+
+
+
+
+
+void cProtocol172::SendDisconnect(const AString & a_Reason)
+{
+ cPacketizer Pkt(*this, 0x40);
+ Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str()));
+}
+
+
+
+
+
+void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ cPacketizer Pkt(*this, 0x36); // Sign Editor Open packet
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteInt(a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+}
+
+
+
+
+
+void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
+{
+ cPacketizer Pkt(*this, 0x04); // Entity Equipment packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
+}
+
+
+
+
+
+void cProtocol172::SendEntityHeadLook(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x19); // Entity Head Look packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetHeadYaw());
+}
+
+
+
+
+
+void cProtocol172::SendEntityLook(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x16); // Entity Look packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+}
+
+
+
+
+
+void cProtocol172::SendEntityMetadata(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteEntityMetadata(a_Entity);
+ Pkt.WriteByte(0x7f); // The termination byte
+}
+
+
+
+
+
+void cProtocol172::SendEntityProperties(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x20); // Entity Properties packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteEntityProperties(a_Entity);
+}
+
+
+
+
+
+void cProtocol172::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ cPacketizer Pkt(*this, 0x15); // Entity Relative Move packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_RelX);
+ Pkt.WriteByte(a_RelY);
+ Pkt.WriteByte(a_RelZ);
+}
+
+
+
+
+
+void cProtocol172::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ)
+{
+ cPacketizer Pkt(*this, 0x17); // Entity Look And Relative Move packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_RelX);
+ Pkt.WriteByte(a_RelY);
+ Pkt.WriteByte(a_RelZ);
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+}
+
+
+
+
+
+void cProtocol172::SendEntityStatus(const cEntity & a_Entity, char a_Status)
+{
+ cPacketizer Pkt(*this, 0x1a); // Entity Status packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteChar(a_Status);
+}
+
+
+
+
+
+void cProtocol172::SendEntityVelocity(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x12); // Entity Velocity packet
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ // 400 = 8000 / 20 ... Conversion from our speed in m/s to 8000 m/tick
+ Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol172::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion)
+{
+ cPacketizer Pkt(*this, 0x27); // Explosion packet
+ Pkt.WriteFloat((float)a_BlockX);
+ Pkt.WriteFloat((float)a_BlockY);
+ Pkt.WriteFloat((float)a_BlockZ);
+ Pkt.WriteFloat((float)a_Radius);
+ Pkt.WriteInt(a_BlocksAffected.size());
+ for (cVector3iArray::const_iterator itr = a_BlocksAffected.begin(), end = a_BlocksAffected.end(); itr != end; ++itr)
+ {
+ Pkt.WriteChar((char)itr->x);
+ Pkt.WriteChar((char)itr->y);
+ Pkt.WriteChar((char)itr->z);
+ } // for itr - a_BlockAffected[]
+ Pkt.WriteFloat((float)a_PlayerMotion.x);
+ Pkt.WriteFloat((float)a_PlayerMotion.y);
+ Pkt.WriteFloat((float)a_PlayerMotion.z);
+}
+
+
+
+
+
+void cProtocol172::SendGameMode(eGameMode a_GameMode)
+{
+ cPacketizer Pkt(*this, 0x2b); // Change Game State packet
+ Pkt.WriteByte(3); // Reason: Change game mode
+ Pkt.WriteFloat((float)a_GameMode);
+}
+
+
+
+
+
+void cProtocol172::SendHealth(void)
+{
+ cPacketizer Pkt(*this, 0x06); // Update Health packet
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetHealth());
+ Pkt.WriteShort(m_Client->GetPlayer()->GetFoodLevel());
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel());
+}
+
+
+
+
+
+void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
+{
+ cPacketizer Pkt(*this, 0x2f); // Set Slot packet
+ Pkt.WriteChar(a_WindowID);
+ Pkt.WriteShort(a_SlotNum);
+ Pkt.WriteItem(a_Item);
+}
+
+
+
+
+
+void cProtocol172::SendKeepAlive(int a_PingID)
+{
+ cPacketizer Pkt(*this, 0x00); // Keep Alive packet
+ Pkt.WriteInt(a_PingID);
+}
+
+
+
+
+
+void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+{
+ // Send the Join Game packet:
+ {
+ cPacketizer Pkt(*this, 0x01); // Join Game packet
+ Pkt.WriteInt(a_Player.GetUniqueID());
+ Pkt.WriteByte((Byte)a_Player.GetEffectiveGameMode() | (cRoot::Get()->GetServer()->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4
+ Pkt.WriteChar((char)a_World.GetDimension());
+ Pkt.WriteByte(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteByte(cRoot::Get()->GetServer()->GetMaxPlayers());
+ Pkt.WriteString("default"); // Level type - wtf?
+ }
+
+ // Send the spawn position:
+ {
+ cPacketizer Pkt(*this, 0x05); // Spawn Position packet
+ Pkt.WriteInt((int)a_World.GetSpawnX());
+ Pkt.WriteInt((int)a_World.GetSpawnY());
+ Pkt.WriteInt((int)a_World.GetSpawnZ());
+ }
+
+ // Send player abilities:
+ SendPlayerAbilities();
+}
+
+
+
+
+
+void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
+{
+ {
+ cPacketizer Pkt(*this, 0x0e); // Spawn Object packet
+ Pkt.WriteVarInt(a_Pickup.GetUniqueID());
+ Pkt.WriteByte(2); // Type = Pickup
+ Pkt.WriteFPInt(a_Pickup.GetPosX());
+ Pkt.WriteFPInt(a_Pickup.GetPosY());
+ Pkt.WriteFPInt(a_Pickup.GetPosZ());
+ Pkt.WriteByteAngle(a_Pickup.GetYaw());
+ Pkt.WriteByteAngle(a_Pickup.GetPitch());
+ Pkt.WriteInt(0); // No object data
+ }
+ {
+ cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
+ Pkt.WriteInt(a_Pickup.GetUniqueID());
+ Pkt.WriteByte((0x05 << 5) | 10); // Slot type + index 10
+ Pkt.WriteItem(a_Pickup.GetItem());
+ Pkt.WriteByte(0x7f); // End of metadata
+ }
+}
+
+
+
+
+
+void cProtocol172::SendPlayerAbilities(void)
+{
+ cPacketizer Pkt(*this, 0x39); // Player Abilities packet
+ Byte Flags = 0;
+ if (m_Client->GetPlayer()->IsGameModeCreative())
+ {
+ Flags |= 0x01;
+ }
+ // TODO: Other flags (god mode, flying, can fly
+ Pkt.WriteByte(Flags);
+ // TODO: Pkt.WriteFloat(m_Client->GetPlayer()->GetMaxFlyingSpeed());
+ Pkt.WriteFloat(0.05f);
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetMaxSpeed());
+}
+
+
+
+
+
+void cProtocol172::SendEntityAnimation(const cEntity & a_Entity, char a_Animation)
+{
+ cPacketizer Pkt(*this, 0x0b); // Animation packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteChar(a_Animation);
+}
+
+
+
+
+
+void cProtocol172::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline)
+{
+ cPacketizer Pkt(*this, 0x38); // Playerlist Item packet
+ Pkt.WriteString(a_Player.GetName());
+ Pkt.WriteBool(a_IsOnline);
+ Pkt.WriteShort(a_IsOnline ? a_Player.GetClientHandle()->GetPing() : 0);
+}
+
+
+
+
+
+void cProtocol172::SendPlayerMaxSpeed(void)
+{
+ cPacketizer Pkt(*this, 0x20); // Entity Properties
+ Pkt.WriteInt(m_Client->GetPlayer()->GetUniqueID());
+ Pkt.WriteInt(1); // Count
+ Pkt.WriteString("generic.movementSpeed");
+ Pkt.WriteDouble(0.1);
+ if (m_Client->GetPlayer()->IsSprinting())
+ {
+ Pkt.WriteShort(1); // Modifier count
+ Pkt.WriteInt64(0x662a6b8dda3e4c1c);
+ Pkt.WriteInt64(0x881396ea6097278d); // UUID of the modifier
+ Pkt.WriteDouble(0.3);
+ Pkt.WriteByte(2);
+ }
+ else
+ {
+ Pkt.WriteShort(0); // Modifier count
+ }
+}
+
+
+
+
+
+void cProtocol172::SendPlayerMoveLook(void)
+{
+ cPacketizer Pkt(*this, 0x08); // Player Position And Look packet
+ Pkt.WriteDouble(m_Client->GetPlayer()->GetPosX());
+ Pkt.WriteDouble(m_Client->GetPlayer()->GetPosY());
+ Pkt.WriteDouble(m_Client->GetPlayer()->GetPosZ());
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetYaw());
+ Pkt.WriteFloat((float)m_Client->GetPlayer()->GetPitch());
+ Pkt.WriteBool(m_Client->GetPlayer()->IsOnGround());
+}
+
+
+
+
+
+void cProtocol172::SendPlayerPosition(void)
+{
+ // There is no dedicated packet for this, send the whole thing:
+ SendPlayerMoveLook();
+}
+
+
+
+
+
+void cProtocol172::SendPlayerSpawn(const cPlayer & a_Player)
+{
+ // Called to spawn another player for the client
+ cPacketizer Pkt(*this, 0x0c); // Spawn Player packet
+ Pkt.WriteVarInt(a_Player.GetUniqueID());
+ Pkt.WriteString(Printf("%d", a_Player.GetUniqueID())); // TODO: Proper UUID
+ Pkt.WriteString(a_Player.GetName());
+ Pkt.WriteFPInt(a_Player.GetPosX());
+ Pkt.WriteFPInt(a_Player.GetPosY());
+ Pkt.WriteFPInt(a_Player.GetPosZ());
+ Pkt.WriteByteAngle(a_Player.GetYaw());
+ Pkt.WriteByteAngle(a_Player.GetPitch());
+ short ItemType = a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType;
+ Pkt.WriteShort(ItemType);
+ Pkt.WriteByte((3 << 5) | 6); // Metadata: float + index 6
+ Pkt.WriteFloat((float)a_Player.GetHealth());
+ Pkt.WriteByte(0x7f); // Metadata: end
+}
+
+
+
+
+
+void cProtocol172::SendRespawn(void)
+{
+ cPacketizer Pkt(*this, 0x07); // Respawn packet
+ Pkt.WriteInt(m_Client->GetPlayer()->GetWorld()->GetDimension());
+ Pkt.WriteByte(2); // TODO: Difficulty (set to Normal)
+ Pkt.WriteByte((Byte)m_Client->GetPlayer()->GetEffectiveGameMode());
+ Pkt.WriteString("default");
+}
+
+
+
+
+
+void cProtocol172::SendExperience (void)
+{
+ cPacketizer Pkt(*this, 0x1F); //Experience Packet
+ Pkt.WriteFloat(m_Client->GetPlayer()->GetXpPercentage());
+ Pkt.WriteShort(m_Client->GetPlayer()->GetXpLevel());
+ Pkt.WriteShort(m_Client->GetPlayer()->GetCurrentXp());
+}
+
+
+
+
+
+void cProtocol172::SendExperienceOrb(const cExpOrb & a_ExpOrb)
+{
+ cPacketizer Pkt(*this, 0x11);
+ Pkt.WriteVarInt(a_ExpOrb.GetUniqueID());
+ Pkt.WriteInt((int) a_ExpOrb.GetPosX());
+ Pkt.WriteInt((int) a_ExpOrb.GetPosY());
+ Pkt.WriteInt((int) a_ExpOrb.GetPosZ());
+ Pkt.WriteShort(a_ExpOrb.GetReward());
+}
+
+
+
+
+
+void cProtocol172::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) // a_Src coords are Block * 8
+{
+ cPacketizer Pkt(*this, 0x29); // Sound Effect packet
+ Pkt.WriteString(a_SoundName);
+ Pkt.WriteInt(a_SrcX);
+ Pkt.WriteInt(a_SrcY);
+ Pkt.WriteInt(a_SrcZ);
+ Pkt.WriteFloat(a_Volume);
+ Pkt.WriteByte((Byte)(a_Pitch * 63));
+}
+
+
+
+
+
+void cProtocol172::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data)
+{
+ cPacketizer Pkt(*this, 0x28); // Effect packet
+ Pkt.WriteInt(a_EffectID);
+ Pkt.WriteInt(a_SrcX);
+ Pkt.WriteByte(a_SrcY);
+ Pkt.WriteInt(a_SrcZ);
+ Pkt.WriteInt(a_Data);
+ Pkt.WriteBool(false);
+}
+
+
+
+
+
+void cProtocol172::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock)
+{
+ cPacketizer Pkt(*this, 0x0e); // Spawn Object packet
+ Pkt.WriteVarInt(a_FallingBlock.GetUniqueID());
+ Pkt.WriteByte(70); // Falling block
+ Pkt.WriteFPInt(a_FallingBlock.GetPosX());
+ Pkt.WriteFPInt(a_FallingBlock.GetPosY());
+ Pkt.WriteFPInt(a_FallingBlock.GetPosZ());
+ Pkt.WriteByteAngle(a_FallingBlock.GetYaw());
+ Pkt.WriteByteAngle(a_FallingBlock.GetPitch());
+ Pkt.WriteInt(((int)a_FallingBlock.GetBlockType()) | (((int)a_FallingBlock.GetBlockMeta()) << 16)); // Or 0x10
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_FallingBlock.GetSpeedZ() * 400));
+}
+
+
+
+
+
+void cProtocol172::SendSpawnMob(const cMonster & a_Mob)
+{
+ cPacketizer Pkt(*this, 0x0f); // Spawn Mob packet
+ Pkt.WriteVarInt(a_Mob.GetUniqueID());
+ Pkt.WriteByte((Byte)a_Mob.GetMobType());
+ Pkt.WriteFPInt(a_Mob.GetPosX());
+ Pkt.WriteFPInt(a_Mob.GetPosY());
+ Pkt.WriteFPInt(a_Mob.GetPosZ());
+ Pkt.WriteByteAngle(a_Mob.GetPitch());
+ Pkt.WriteByteAngle(a_Mob.GetHeadYaw());
+ Pkt.WriteByteAngle(a_Mob.GetYaw());
+ Pkt.WriteShort((short)(a_Mob.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Mob.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Mob.GetSpeedZ() * 400));
+ Pkt.WriteEntityMetadata(a_Mob);
+ Pkt.WriteByte(0x7f); // Metadata terminator
+}
+
+
+
+
+
+void cProtocol172::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch)
+{
+ cPacketizer Pkt(*this, 0xe); // Spawn Object packet
+ Pkt.WriteVarInt(a_Entity.GetUniqueID());
+ Pkt.WriteByte(a_ObjectType);
+ Pkt.WriteFPInt(a_Entity.GetPosX());
+ Pkt.WriteFPInt(a_Entity.GetPosY());
+ Pkt.WriteFPInt(a_Entity.GetPosZ());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteInt(a_ObjectData);
+ if (a_ObjectData != 0)
+ {
+ Pkt.WriteShort((short)(a_Entity.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Entity.GetSpeedZ() * 400));
+ }
+}
+
+
+
+
+
+void cProtocol172::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType)
+{
+ cPacketizer Pkt(*this, 0xe); // Spawn Object packet
+ Pkt.WriteVarInt(a_Vehicle.GetUniqueID());
+ Pkt.WriteByte(a_VehicleType);
+ Pkt.WriteFPInt(a_Vehicle.GetPosX());
+ Pkt.WriteFPInt(a_Vehicle.GetPosY());
+ Pkt.WriteFPInt(a_Vehicle.GetPosZ());
+ Pkt.WriteByteAngle(a_Vehicle.GetYaw());
+ Pkt.WriteByteAngle(a_Vehicle.GetPitch());
+ Pkt.WriteInt(a_VehicleSubType);
+ if (a_VehicleSubType != 0)
+ {
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedX() * 400));
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedY() * 400));
+ Pkt.WriteShort((short)(a_Vehicle.GetSpeedZ() * 400));
+ }
+}
+
+
+
+
+
+void cProtocol172::SendTabCompletionResults(const AStringVector & a_Results)
+{
+ cPacketizer Pkt(*this, 0x3a); // Tab-Complete packet
+ Pkt.WriteVarInt(a_Results.size());
+
+ for (AStringVector::const_iterator itr = a_Results.begin(), end = a_Results.end(); itr != end; ++itr)
+ {
+ Pkt.WriteString(*itr);
+ }
+}
+
+
+
+
+
+void cProtocol172::SendTeleportEntity(const cEntity & a_Entity)
+{
+ cPacketizer Pkt(*this, 0x18);
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteFPInt(a_Entity.GetPosX());
+ Pkt.WriteFPInt(a_Entity.GetPosY());
+ Pkt.WriteFPInt(a_Entity.GetPosZ());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
+ Pkt.WriteByteAngle(a_Entity.GetPitch());
+}
+
+
+
+
+
+void cProtocol172::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ cPacketizer Pkt(*this, 0x2c); // Spawn Global Entity packet
+ Pkt.WriteVarInt(0); // EntityID = 0, always
+ Pkt.WriteByte(1); // Type = Thunderbolt
+ Pkt.WriteFPInt(a_BlockX);
+ Pkt.WriteFPInt(a_BlockY);
+ Pkt.WriteFPInt(a_BlockZ);
+}
+
+
+
+
+
+void cProtocol172::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay)
+{
+ cPacketizer Pkt(*this, 0x03);
+ Pkt.WriteInt64(a_WorldAge);
+ Pkt.WriteInt64(a_TimeOfDay);
+}
+
+
+
+
+
+void cProtocol172::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
+{
+ cPacketizer Pkt(*this, 0x21); // Chunk Data packet
+ Pkt.WriteInt(a_ChunkX);
+ Pkt.WriteInt(a_ChunkZ);
+ Pkt.WriteBool(true);
+ Pkt.WriteShort(0); // Primary bitmap
+ Pkt.WriteShort(0); // Add bitmap
+ Pkt.WriteInt(0); // Compressed data size
+}
+
+
+
+
+
+void cProtocol172::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
+{
+ cPacketizer Pkt(*this, 0x33);
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteShort((short)a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+ Pkt.WriteString(a_Line1);
+ Pkt.WriteString(a_Line2);
+ Pkt.WriteString(a_Line3);
+ Pkt.WriteString(a_Line4);
+}
+
+
+
+
+
+void cProtocol172::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+ cPacketizer Pkt(*this, 0x0a);
+ Pkt.WriteInt(a_Entity.GetUniqueID());
+ Pkt.WriteInt(a_BlockX);
+ Pkt.WriteByte((Byte)a_BlockY);
+ Pkt.WriteInt(a_BlockZ);
+}
+
+
+
+
+
+void cProtocol172::SendWeather(eWeather a_Weather)
+{
+ {
+ cPacketizer Pkt(*this, 0x2b); // Change Game State packet
+ Pkt.WriteByte((a_Weather == wSunny) ? 1 : 2); // End rain / begin rain
+ Pkt.WriteFloat(0); // Unused for weather
+ }
+
+ // TODO: Fade effect, somehow
+}
+
+
+
+
+
+void cProtocol172::SendWholeInventory(const cWindow & a_Window)
+{
+ cPacketizer Pkt(*this, 0x30); // Window Items packet
+ Pkt.WriteChar(a_Window.GetWindowID());
+ Pkt.WriteShort(a_Window.GetNumSlots());
+ cItems Slots;
+ a_Window.GetSlots(*(m_Client->GetPlayer()), Slots);
+ for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr)
+ {
+ Pkt.WriteItem(*itr);
+ } // for itr - Slots[]
+}
+
+
+
+
+
+void cProtocol172::SendWindowClose(const cWindow & a_Window)
+{
+ cPacketizer Pkt(*this, 0x2e);
+ Pkt.WriteChar(a_Window.GetWindowID());
+}
+
+
+
+
+
+void cProtocol172::SendWindowOpen(const cWindow & a_Window)
+{
+ if (a_Window.GetWindowType() < 0)
+ {
+ // Do not send this packet for player inventory windows
+ return;
+ }
+
+ cPacketizer Pkt(*this, 0x2d);
+ Pkt.WriteChar(a_Window.GetWindowID());
+ Pkt.WriteChar(a_Window.GetWindowType());
+ Pkt.WriteString(a_Window.GetWindowTitle());
+ Pkt.WriteChar(a_Window.GetNumNonInventorySlots());
+ Pkt.WriteBool(true);
+ if (a_Window.GetWindowType() == cWindow::wtAnimalChest)
+ {
+ Pkt.WriteInt(0); // TODO: The animal's EntityID
+ }
+}
+
+
+
+
+
+void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value)
+{
+ cPacketizer Pkt(*this, 0x31); // Window Property packet
+ Pkt.WriteChar(a_Window.GetWindowID());
+ Pkt.WriteShort(a_Property);
+ Pkt.WriteShort(a_Value);
+}
+
+
+
+
+
+void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
+{
+ if (!m_ReceivedData.Write(a_Data, a_Size))
+ {
+ // Too much data in the incoming queue, report to caller:
+ m_Client->PacketBufferFull();
+ return;
+ }
+
+ // Handle all complete packets:
+ while (true)
+ {
+ UInt32 PacketLen;
+ if (!m_ReceivedData.ReadVarInt(PacketLen))
+ {
+ // Not enough data
+ return;
+ }
+ if (!m_ReceivedData.CanReadBytes(PacketLen))
+ {
+ // The full packet hasn't been received yet
+ return;
+ }
+ UInt32 PacketType;
+ UInt32 Mark1 = m_ReceivedData.GetReadableSpace();
+ if (!m_ReceivedData.ReadVarInt(PacketType))
+ {
+ // Not enough data
+ return;
+ }
+
+ UInt32 NumBytesRead = Mark1 - m_ReceivedData.GetReadableSpace();
+ HandlePacket(PacketType, PacketLen - NumBytesRead);
+
+ if (Mark1 - m_ReceivedData.GetReadableSpace() > PacketLen)
+ {
+ // Read more than packet length, report as error
+ m_Client->PacketError(PacketType);
+ }
+
+ // Go to packet end in any case:
+ m_ReceivedData.ResetRead();
+ m_ReceivedData.ReadVarInt(PacketType);
+ m_ReceivedData.SkipRead(PacketLen);
+ m_ReceivedData.CommitRead();
+ } // while (true)
+}
+
+
+
+
+void cProtocol172::HandlePacket(UInt32 a_PacketType, UInt32 a_RemainingBytes)
+{
+ switch (m_State)
+ {
+ case 1:
+ {
+ // Status
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketStatusRequest(a_RemainingBytes); return;
+ case 0x01: HandlePacketStatusPing (a_RemainingBytes); return;
+ }
+ break;
+ }
+
+ case 2:
+ {
+ // Login
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketLoginStart(a_RemainingBytes); return;
+ case 0x01: HandlePacketLoginEncryptionResponse(a_RemainingBytes); return;
+ }
+ break;
+ }
+
+ case 3:
+ {
+ // Game
+ switch (a_PacketType)
+ {
+ case 0x00: HandlePacketKeepAlive (a_RemainingBytes); return;
+ case 0x01: HandlePacketChatMessage (a_RemainingBytes); return;
+ case 0x02: HandlePacketUseEntity (a_RemainingBytes); return;
+ case 0x03: HandlePacketPlayer (a_RemainingBytes); return;
+ case 0x04: HandlePacketPlayerPos (a_RemainingBytes); return;
+ case 0x05: HandlePacketPlayerLook (a_RemainingBytes); return;
+ case 0x06: HandlePacketPlayerPosLook (a_RemainingBytes); return;
+ case 0x07: HandlePacketBlockDig (a_RemainingBytes); return;
+ case 0x08: HandlePacketBlockPlace (a_RemainingBytes); return;
+ case 0x09: HandlePacketSlotSelect (a_RemainingBytes); return;
+ case 0x0a: HandlePacketAnimation (a_RemainingBytes); return;
+ case 0x0b: HandlePacketEntityAction (a_RemainingBytes); return;
+ case 0x0c: HandlePacketSteerVehicle (a_RemainingBytes); return;
+ case 0x0d: HandlePacketWindowClose (a_RemainingBytes); return;
+ case 0x0e: HandlePacketWindowClick (a_RemainingBytes); return;
+ case 0x0f: // Confirm transaction - not used in MCS
+ case 0x10: HandlePacketCreativeInventoryAction(a_RemainingBytes); return;
+ case 0x12: HandlePacketUpdateSign (a_RemainingBytes); return;
+ case 0x13: HandlePacketPlayerAbilities (a_RemainingBytes); return;
+ case 0x14: HandlePacketTabComplete (a_RemainingBytes); return;
+ case 0x15: HandlePacketClientSettings (a_RemainingBytes); return;
+ case 0x16: HandlePacketClientStatus (a_RemainingBytes); return;
+ case 0x17: HandlePacketPluginMessage (a_RemainingBytes); return;
+ }
+ break;
+ }
+ } // switch (m_State)
+
+ // Unknown packet type, report to the client:
+ m_Client->PacketUnknown(a_PacketType);
+ m_ReceivedData.SkipRead(a_RemainingBytes);
+ m_ReceivedData.CommitRead();
+}
+
+
+
+
+
+void cProtocol172::HandlePacketStatusPing(UInt32 a_RemainingBytes)
+{
+ ASSERT(a_RemainingBytes == 8);
+ if (a_RemainingBytes != 8)
+ {
+ m_Client->PacketError(0x01);
+ m_ReceivedData.SkipRead(a_RemainingBytes);
+ m_ReceivedData.CommitRead();
+ return;
+ }
+ Int64 Timestamp;
+ m_ReceivedData.ReadBEInt64(Timestamp);
+ m_ReceivedData.CommitRead();
+
+ cPacketizer Pkt(*this, 0x01); // Ping packet
+ Pkt.WriteInt64(Timestamp);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketStatusRequest(UInt32 a_RemainingBytes)
+{
+ // No more bytes in this packet
+ ASSERT(a_RemainingBytes == 0);
+ m_ReceivedData.CommitRead();
+
+ // Send the response:
+ AString Response = "{\"version\":{\"name\":\"1.7.2\",\"protocol\":4},\"players\":{";
+ AppendPrintf(Response, "\"max\":%u,\"online\":%u,\"sample\":[]},",
+ cRoot::Get()->GetServer()->GetMaxPlayers(),
+ cRoot::Get()->GetServer()->GetNumPlayers()
+ );
+ AppendPrintf(Response, "\"description\":{\"text\":\"%s\"}",
+ cRoot::Get()->GetServer()->GetDescription().c_str()
+ );
+ Response.append("}");
+
+ cPacketizer Pkt(*this, 0x00); // Response packet
+ Pkt.WriteString(Response);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketLoginEncryptionResponse(UInt32 a_RemainingBytes)
+{
+ // TODO: Add protocol encryption
+}
+
+
+
+
+
+void cProtocol172::HandlePacketLoginStart(UInt32 a_RemainingBytes)
+{
+ AString Username;
+ m_ReceivedData.ReadVarUTF8String(Username);
+
+ // TODO: Protocol encryption should be set up here if not localhost / auth
+
+ // Send login success:
+ {
+ cPacketizer Pkt(*this, 0x02); // Login success packet
+ Pkt.WriteString(Printf("%d", m_Client->GetUniqueID())); // TODO: proper UUID
+ Pkt.WriteString(Username);
+ }
+
+ m_State = 3; // State = Game
+ m_Client->HandleLogin(4, Username);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketAnimation(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEInt, int, EntityID);
+ HANDLE_READ(ReadByte, Byte, Animation);
+ m_Client->HandleAnimation(Animation);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketBlockDig(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadByte, Byte, Status);
+ HANDLE_READ(ReadBEInt, int, BlockX);
+ HANDLE_READ(ReadByte, Byte, BlockY);
+ HANDLE_READ(ReadBEInt, int, BlockZ);
+ HANDLE_READ(ReadByte, Byte, Face);
+ m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, Face, Status);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketBlockPlace(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEInt, int, BlockX);
+ HANDLE_READ(ReadByte, Byte, BlockY);
+ HANDLE_READ(ReadBEInt, int, BlockZ);
+ HANDLE_READ(ReadByte, Byte, Face);
+ cItem Item;
+ ReadItem(Item);
+
+ HANDLE_READ(ReadByte, Byte, CursorX);
+ HANDLE_READ(ReadByte, Byte, CursorY);
+ HANDLE_READ(ReadByte, Byte, CursorZ);
+ m_Client->HandleRightClick(BlockX, BlockY, BlockZ, Face, CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem());
+}
+
+
+
+
+
+void cProtocol172::HandlePacketChatMessage(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadVarUTF8String, AString, Message);
+ m_Client->HandleChat(Message);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketClientSettings(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadVarUTF8String, AString, Locale);
+ HANDLE_READ(ReadByte, Byte, ViewDistance);
+ HANDLE_READ(ReadByte, Byte, ChatFlags);
+ HANDLE_READ(ReadByte, Byte, Unused);
+ HANDLE_READ(ReadByte, Byte, Difficulty);
+ HANDLE_READ(ReadByte, Byte, ShowCape);
+ // TODO: handle in m_Client
+}
+
+
+
+
+
+void cProtocol172::HandlePacketClientStatus(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadByte, Byte, ActionID);
+ switch (ActionID)
+ {
+ case 0:
+ {
+ // Respawn
+ m_Client->HandleRespawn();
+ break;
+ }
+ case 1:
+ {
+ // Request stats
+ // TODO
+ break;
+ }
+ case 2:
+ {
+ // Open Inventory achievement
+ // TODO
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol172::HandlePacketCreativeInventoryAction(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEShort, short, SlotNum);
+ cItem Item;
+ if (!ReadItem(Item))
+ {
+ return;
+ }
+ m_Client->HandleCreativeInventory(SlotNum, Item);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketEntityAction(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEInt, int, PlayerID);
+ HANDLE_READ(ReadByte, Byte, Action);
+ HANDLE_READ(ReadBEInt, int, JumpBoost);
+ m_Client->HandleEntityAction(PlayerID, Action);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketKeepAlive(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEInt, int, KeepAliveID);
+ m_Client->HandleKeepAlive(KeepAliveID);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayer(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBool, bool, IsOnGround);
+ // TODO: m_Client->HandlePlayerOnGround(IsOnGround);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerAbilities(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadByte, Byte, Flags);
+ HANDLE_READ(ReadBEFloat, float, FlyingSpeed);
+ HANDLE_READ(ReadBEFloat, float, WalkingSpeed);
+ // TODO: m_Client->HandlePlayerAbilities();
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerLook(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEFloat, float, Yaw);
+ HANDLE_READ(ReadBEFloat, float, Pitch);
+ HANDLE_READ(ReadBool, bool, IsOnGround);
+ m_Client->HandlePlayerLook(Yaw, Pitch, IsOnGround);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerPos(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEDouble, double, PosX);
+ HANDLE_READ(ReadBEDouble, double, PosY);
+ HANDLE_READ(ReadBEDouble, double, Stance);
+ HANDLE_READ(ReadBEDouble, double, PosZ);
+ HANDLE_READ(ReadBool, bool, IsOnGround);
+ m_Client->HandlePlayerPos(PosX, PosY, PosZ, Stance, IsOnGround);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPlayerPosLook(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEDouble, double, PosX);
+ HANDLE_READ(ReadBEDouble, double, PosY);
+ HANDLE_READ(ReadBEDouble, double, Stance);
+ HANDLE_READ(ReadBEDouble, double, PosZ);
+ HANDLE_READ(ReadBEFloat, float, Yaw);
+ HANDLE_READ(ReadBEFloat, float, Pitch);
+ HANDLE_READ(ReadBool, bool, IsOnGround);
+ m_Client->HandlePlayerMoveLook(PosX, PosY, PosZ, Stance, Yaw, Pitch, IsOnGround);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketPluginMessage(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadVarUTF8String, AString, Channel);
+ HANDLE_READ(ReadBEShort, short, Length);
+ AString Data;
+ m_ReceivedData.ReadString(Data, Length);
+ // TODO: m_Client->HandlePluginMessage(Channel, Data);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketSlotSelect(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEShort, short, SlotNum);
+ m_Client->HandleSlotSelected(SlotNum);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketSteerVehicle(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEFloat, float, Forward);
+ HANDLE_READ(ReadBEFloat, float, Sideways);
+ HANDLE_READ(ReadBool, bool, ShouldJump);
+ HANDLE_READ(ReadBool, bool, ShouldUnmount);
+ if (ShouldUnmount)
+ {
+ m_Client->HandleUnmount();
+ }
+ else
+ {
+ m_Client->HandleSteerVehicle(Forward, Sideways);
+ }
+}
+
+
+
+
+
+void cProtocol172::HandlePacketTabComplete(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadVarUTF8String, AString, Text);
+ m_Client->HandleTabCompletion(Text);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketUpdateSign(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEInt, int, BlockX);
+ HANDLE_READ(ReadBEShort, short, BlockY);
+ HANDLE_READ(ReadBEInt, int, BlockZ);
+ HANDLE_READ(ReadVarUTF8String, AString, Line1);
+ HANDLE_READ(ReadVarUTF8String, AString, Line2);
+ HANDLE_READ(ReadVarUTF8String, AString, Line3);
+ HANDLE_READ(ReadVarUTF8String, AString, Line4);
+ m_Client->HandleUpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketUseEntity(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadBEInt, int, EntityID);
+ HANDLE_READ(ReadByte, Byte, MouseButton);
+ m_Client->HandleUseEntity(EntityID, (MouseButton == 1));
+}
+
+
+
+
+
+void cProtocol172::HandlePacketWindowClick(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadChar, char, WindowID);
+ HANDLE_READ(ReadBEShort, short, SlotNum);
+ HANDLE_READ(ReadByte, Byte, Button);
+ HANDLE_READ(ReadBEShort, short, TransactionID);
+ HANDLE_READ(ReadByte, Byte, Mode);
+ cItem Item;
+ ReadItem(Item);
+
+ // Convert Button, Mode, SlotNum and HeldItem into eClickAction:
+ eClickAction Action;
+ switch ((Mode << 8) | Button)
+ {
+ case 0x0000: Action = (SlotNum != -999) ? caLeftClick : caLeftClickOutside; break;
+ case 0x0001: Action = (SlotNum != -999) ? caRightClick : caRightClickOutside; break;
+ case 0x0100: Action = caShiftLeftClick; break;
+ case 0x0101: Action = caShiftRightClick; break;
+ case 0x0200: Action = caNumber1; break;
+ case 0x0201: Action = caNumber2; break;
+ case 0x0202: Action = caNumber3; break;
+ case 0x0203: Action = caNumber4; break;
+ case 0x0204: Action = caNumber5; break;
+ case 0x0205: Action = caNumber6; break;
+ case 0x0206: Action = caNumber7; break;
+ case 0x0207: Action = caNumber8; break;
+ case 0x0208: Action = caNumber9; break;
+ case 0x0300: Action = caMiddleClick; break;
+ case 0x0400: Action = (SlotNum == -999) ? caLeftClickOutsideHoldNothing : caDropKey; break;
+ case 0x0401: Action = (SlotNum == -999) ? caRightClickOutsideHoldNothing : caCtrlDropKey; break;
+ case 0x0500: Action = (SlotNum == -999) ? caLeftPaintBegin : caUnknown; break;
+ case 0x0501: Action = (SlotNum != -999) ? caLeftPaintProgress : caUnknown; break;
+ case 0x0502: Action = (SlotNum == -999) ? caLeftPaintEnd : caUnknown; break;
+ case 0x0504: Action = (SlotNum == -999) ? caRightPaintBegin : caUnknown; break;
+ case 0x0505: Action = (SlotNum != -999) ? caRightPaintProgress : caUnknown; break;
+ case 0x0506: Action = (SlotNum == -999) ? caRightPaintEnd : caUnknown; break;
+ case 0x0600: Action = caDblClick; break;
+ }
+
+ m_Client->HandleWindowClick(WindowID, SlotNum, Action, Item);
+}
+
+
+
+
+
+void cProtocol172::HandlePacketWindowClose(UInt32 a_RemainingBytes)
+{
+ HANDLE_READ(ReadChar, char, WindowID);
+ m_Client->HandleWindowClose(WindowID);
+}
+
+
+
+
+
+void cProtocol172::WritePacket(cByteBuffer & a_Packet)
+{
+ cCSLock Lock(m_CSPacket);
+ AString Pkt;
+ a_Packet.ReadAll(Pkt);
+ WriteVarInt(Pkt.size());
+ SendData(Pkt.data(), Pkt.size());
+ Flush();
+}
+
+
+
+
+
+void cProtocol172::SendData(const char * a_Data, int a_Size)
+{
+ if (m_IsEncrypted)
+ {
+ byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks)
+ while (a_Size > 0)
+ {
+ int NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size;
+ m_Encryptor.ProcessData(Encrypted, (byte *)a_Data, NumBytes);
+ m_Client->SendData((const char *)Encrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ m_Client->SendData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+
+bool cProtocol172::ReadItem(cItem & a_Item)
+{
+ HANDLE_PACKET_READ(ReadBEShort, short, ItemType);
+ if (ItemType == -1)
+ {
+ // The item is empty, no more data follows
+ a_Item.Empty();
+ return true;
+ }
+ a_Item.m_ItemType = ItemType;
+
+ HANDLE_PACKET_READ(ReadChar, char, ItemCount);
+ HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage);
+ a_Item.m_ItemCount = ItemCount;
+ a_Item.m_ItemDamage = ItemDamage;
+ if (ItemCount <= 0)
+ {
+ a_Item.Empty();
+ }
+
+ HANDLE_PACKET_READ(ReadBEShort, short, MetadataLength);
+ if (MetadataLength <= 0)
+ {
+ return true;
+ }
+
+ // Read the metadata
+ AString Metadata;
+ if (!m_ReceivedData.ReadString(Metadata, MetadataLength))
+ {
+ return false;
+ }
+
+ ParseItemMetadata(a_Item, Metadata);
+ return true;
+}
+
+
+
+
+
+void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
+{
+ // Uncompress the GZIPped data:
+ AString Uncompressed;
+ if (UncompressStringGZIP(a_Metadata.data(), a_Metadata.size(), Uncompressed) != Z_OK)
+ {
+ AString HexDump;
+ CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16);
+ LOGWARNING("Cannot unGZIP item metadata (%u bytes):\n%s", a_Metadata.size(), HexDump.c_str());
+ return;
+ }
+
+ // Parse into NBT:
+ cParsedNBT NBT(Uncompressed.data(), Uncompressed.size());
+ if (!NBT.IsValid())
+ {
+ AString HexDump;
+ CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16);
+ LOGWARNING("Cannot parse NBT item metadata: (%u bytes)\n%s", Uncompressed.size(), HexDump.c_str());
+ return;
+ }
+
+ // Load enchantments from the NBT:
+ for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag))
+ {
+ if (
+ (NBT.GetType(tag) == TAG_List) &&
+ (
+ (NBT.GetName(tag) == "ench") ||
+ (NBT.GetName(tag) == "StoredEnchantments")
+ )
+ )
+ {
+ a_Item.m_Enchantments.ParseFromNBT(NBT, tag);
+ }
+ }
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cProtocol172::cPacketizer:
+
+cProtocol172::cPacketizer::~cPacketizer()
+{
+ AString DataToSend;
+
+ // Send the packet length
+ UInt32 PacketLen = m_Out.GetUsedSpace();
+ m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen);
+ m_Protocol.m_OutPacketLenBuffer.ReadAll(DataToSend);
+ m_Protocol.SendData(DataToSend.data(), DataToSend.size());
+ m_Protocol.m_OutPacketLenBuffer.CommitRead();
+
+ // Send the packet data:
+ m_Out.ReadAll(DataToSend);
+ m_Protocol.SendData(DataToSend.data(), DataToSend.size());
+ m_Out.CommitRead();
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
+{
+ short ItemType = a_Item.m_ItemType;
+ ASSERT(ItemType >= -1); // Check validity of packets in debug runtime
+ if (ItemType <= 0)
+ {
+ // Fix, to make sure no invalid values are sent.
+ ItemType = -1;
+ }
+
+ if (a_Item.IsEmpty())
+ {
+ WriteShort(-1);
+ return;
+ }
+
+ WriteShort(ItemType);
+ WriteByte (a_Item.m_ItemCount);
+ WriteShort(a_Item.m_ItemDamage);
+
+ if (a_Item.m_Enchantments.IsEmpty())
+ {
+ WriteShort(-1);
+ return;
+ }
+
+ // Send the enchantments:
+ cFastNBTWriter Writer;
+ const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
+ a_Item.m_Enchantments.WriteToNBTCompound(Writer, TagName);
+ Writer.Finish();
+ AString Compressed;
+ CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
+ WriteShort(Compressed.size());
+ WriteBuf(Compressed.data(), Compressed.size());
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteByteAngle(double a_Angle)
+{
+ WriteByte((char)(255 * a_Angle / 360));
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteFPInt(double a_Value)
+{
+ int Value = (int)(a_Value * 32);
+ WriteInt(Value);
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
+{
+ // Common metadata:
+ Byte Flags = 0;
+ if (a_Entity.IsOnFire())
+ {
+ Flags |= 0x01;
+ }
+ if (a_Entity.IsCrouched())
+ {
+ Flags |= 0x02;
+ }
+ if (a_Entity.IsSprinting())
+ {
+ Flags |= 0x08;
+ }
+ if (a_Entity.IsRclking())
+ {
+ Flags |= 0x10;
+ }
+ if (a_Entity.IsInvisible())
+ {
+ Flags |= 0x20;
+ }
+ WriteByte(0); // Byte(0) + index 0
+ WriteByte(Flags);
+
+ switch (a_Entity.GetEntityType())
+ {
+ case cEntity::etPlayer: break; // TODO?
+ case cEntity::etPickup:
+ {
+ WriteByte((5 << 5) | 10); // Slot(5) + index 10
+ WriteItem(((const cPickup &)a_Entity).GetItem());
+ break;
+ }
+ case cEntity::etMinecart:
+ {
+ WriteByte(0x51);
+
+ // The following expression makes Minecarts shake more with less health or higher damage taken
+ // It gets half the maximum health, and takes it away from the current health minus the half health:
+ /* Health: 5 | 3 - (5 - 3) = 1 (shake power)
+ Health: 3 | 3 - (3 - 3) = 3
+ Health: 1 | 3 - (1 - 3) = 5
+ */
+ WriteInt((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * ((const cMinecart &)a_Entity).LastDamage()) * 4);
+ WriteByte(0x52);
+ WriteInt(1); // Shaking direction, doesn't seem to affect anything
+ WriteByte(0x73);
+ WriteFloat((float)(((const cMinecart &)a_Entity).LastDamage() + 10)); // Damage taken / shake effect multiplyer
+
+ if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpFurnace)
+ {
+ WriteByte(0x10);
+ WriteByte(((const cMinecartWithFurnace &)a_Entity).IsFueled() ? 1 : 0);
+ }
+ break;
+ }
+ case cEntity::etProjectile:
+ {
+ if (((cProjectileEntity &)a_Entity).GetProjectileKind() == cProjectileEntity::pkArrow)
+ {
+ WriteByte(0x10);
+ WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0);
+ }
+ break;
+ }
+ case cEntity::etMonster:
+ {
+ WriteMobMetadata((const cMonster &)a_Entity);
+ break;
+ }
+ }
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
+{
+ switch (a_Mob.GetMobType())
+ {
+ case cMonster::mtCreeper:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cCreeper &)a_Mob).IsBlowing() ? 1 : -1);
+ WriteByte(0x11);
+ WriteByte(((const cCreeper &)a_Mob).IsCharged() ? 1 : 0);
+ break;
+ }
+
+ case cMonster::mtBat:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cBat &)a_Mob).IsHanging() ? 1 : 0);
+ break;
+ }
+
+ case cMonster::mtPig:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cPig &)a_Mob).IsSaddled() ? 1 : 0);
+ break;
+ }
+
+ case cMonster::mtVillager:
+ {
+ WriteByte(0x50);
+ WriteInt(((const cVillager &)a_Mob).GetVilType());
+ break;
+ }
+
+ case cMonster::mtZombie:
+ {
+ WriteByte(0x0c);
+ WriteByte(((const cZombie &)a_Mob).IsBaby() ? 1 : 0);
+ WriteByte(0x0d);
+ WriteByte(((const cZombie &)a_Mob).IsVillagerZombie() ? 1 : 0);
+ WriteByte(0x0e);
+ WriteByte(((const cZombie &)a_Mob).IsConverting() ? 1 : 0);
+ break;
+ }
+
+ case cMonster::mtGhast:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cGhast &)a_Mob).IsCharging());
+ break;
+ }
+
+ case cMonster::mtWolf:
+ {
+ const cWolf & Wolf = (const cWolf &)a_Mob;
+ Byte WolfStatus = 0;
+ if (Wolf.IsSitting())
+ {
+ WolfStatus |= 0x1;
+ }
+ if (Wolf.IsAngry())
+ {
+ WolfStatus |= 0x2;
+ }
+ if (Wolf.IsTame())
+ {
+ WolfStatus |= 0x4;
+ }
+ WriteByte(0x10);
+ WriteByte(WolfStatus);
+
+ WriteByte(0x72);
+ WriteFloat((float)(a_Mob.GetHealth()));
+ WriteByte(0x13);
+ WriteByte(Wolf.IsBegging() ? 1 : 0);
+ WriteByte(0x14);
+ WriteByte(Wolf.GetCollarColor());
+ break;
+ }
+
+ case cMonster::mtSheep:
+ {
+ WriteByte(0x10);
+ Byte SheepMetadata = 0;
+ SheepMetadata = ((const cSheep &)a_Mob).GetFurColor();
+ if (((const cSheep &)a_Mob).IsSheared())
+ {
+ SheepMetadata |= 0x10;
+ }
+ WriteByte(SheepMetadata);
+ break;
+ }
+
+ case cMonster::mtEnderman:
+ {
+ WriteByte(0x10);
+ WriteByte((Byte)(((const cEnderman &)a_Mob).GetCarriedBlock()));
+ WriteByte(0x11);
+ WriteByte((Byte)(((const cEnderman &)a_Mob).GetCarriedMeta()));
+ WriteByte(0x12);
+ WriteByte(((const cEnderman &)a_Mob).IsScreaming() ? 1 : 0);
+ break;
+ }
+
+ case cMonster::mtSkeleton:
+ {
+ WriteByte(0x0d);
+ WriteByte(((const cSkeleton &)a_Mob).IsWither() ? 1 : 0);
+ break;
+ }
+
+ case cMonster::mtWitch:
+ {
+ WriteByte(0x15);
+ WriteByte(((const cWitch &)a_Mob).IsAngry() ? 1 : 0);
+ break;
+ }
+
+ case cMonster::mtSlime:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cSlime &)a_Mob).GetSize());
+ break;
+ }
+
+ case cMonster::mtMagmaCube:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cMagmaCube &)a_Mob).GetSize());
+ break;
+ }
+
+ case cMonster::mtHorse:
+ {
+ const cHorse & Horse = (const cHorse &)a_Mob;
+ int Flags = 0;
+ if (Horse.IsTame())
+ {
+ Flags |= 0x02;
+ }
+ if (Horse.IsSaddled())
+ {
+ Flags |= 0x04;
+ }
+ if (Horse.IsChested())
+ {
+ Flags |= 0x08;
+ }
+ if (Horse.IsBaby())
+ {
+ Flags |= 0x10;
+ }
+ if (Horse.IsEating())
+ {
+ Flags |= 0x20;
+ }
+ if (Horse.IsRearing())
+ {
+ Flags |= 0x40;
+ }
+ if (Horse.IsMthOpen())
+ {
+ Flags |= 0x80;
+ }
+ WriteByte(0x50); // Int at index 16
+ WriteInt(Flags);
+ WriteByte(0x13); // Byte at index 19
+ WriteByte(Horse.GetHorseType());
+ WriteByte(0x54); // Int at index 20
+ int Appearance = 0;
+ Appearance = Horse.GetHorseColor();
+ Appearance |= Horse.GetHorseStyle() << 8;
+ WriteInt(Appearance);
+ WriteByte(0x56); // Int at index 22
+ WriteInt(Horse.GetHorseArmour());
+ break;
+ }
+ } // switch (a_Mob.GetType())
+}
+
+
+
+
+
+void cProtocol172::cPacketizer::WriteEntityProperties(const cEntity & a_Entity)
+{
+ if (!a_Entity.IsMob())
+ {
+ // No properties for anything else than mobs
+ WriteInt(0);
+ return;
+ }
+ const cMonster & Mob = (const cMonster &)a_Entity;
+
+ // TODO: Send properties and modifiers based on the mob type
+
+ WriteInt(0); // NumProperties
+}
+
+
+
+