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-rw-r--r--src/ByteBuffer.cpp12
-rw-r--r--src/ByteBuffer.h2
-rw-r--r--src/Entities/ItemFrame.h2
-rw-r--r--src/OSSupport/CriticalSection.h12
-rw-r--r--src/Protocol/CMakeLists.txt10
-rw-r--r--src/Protocol/Packetizer.cpp102
-rw-r--r--src/Protocol/Packetizer.h149
-rw-r--r--src/Protocol/Protocol.h26
-rw-r--r--src/Protocol/Protocol17x.cpp545
-rw-r--r--src/Protocol/Protocol17x.h112
-rw-r--r--src/Protocol/Protocol18x.cpp532
-rw-r--r--src/Protocol/Protocol18x.h119
-rw-r--r--src/Protocol/ProtocolRecognizer.cpp12
-rw-r--r--src/Protocol/ProtocolRecognizer.h7
14 files changed, 873 insertions, 769 deletions
diff --git a/src/ByteBuffer.cpp b/src/ByteBuffer.cpp
index 325b12dd1..a1d2a3db7 100644
--- a/src/ByteBuffer.cpp
+++ b/src/ByteBuffer.cpp
@@ -762,10 +762,10 @@ bool cByteBuffer::WriteLEInt32(Int32 a_Value)
CHECK_THREAD
CheckValid();
#ifdef IS_LITTLE_ENDIAN
- return WriteBuf((const char *)&a_Value, 4);
+ return WriteBuf(reinterpret_cast<const char *>(&a_Value), 4);
#else
int Value = ((a_Value >> 24) & 0xff) | ((a_Value >> 16) & 0xff00) | ((a_Value >> 8) & 0xff0000) | (a_Value & 0xff000000);
- return WriteBuf((const char *)&Value, 4);
+ return WriteBuf(reinterpret_cast<const char *>(&Value), 4);
#endif
}
@@ -773,11 +773,15 @@ bool cByteBuffer::WriteLEInt32(Int32 a_Value)
-bool cByteBuffer::WritePosition(Int32 a_BlockX, Int32 a_BlockY, Int32 a_BlockZ)
+bool cByteBuffer::WritePosition64(Int32 a_BlockX, Int32 a_BlockY, Int32 a_BlockZ)
{
CHECK_THREAD
CheckValid();
- return WriteBEInt64(((Int64)a_BlockX & 0x3FFFFFF) << 38 | ((Int64)a_BlockY & 0xFFF) << 26 | ((Int64)a_BlockZ & 0x3FFFFFF));
+ return WriteBEInt64(
+ (static_cast<Int64>(a_BlockX & 0x3FFFFFF) << 38) |
+ (static_cast<Int64>(a_BlockY & 0xFFF) << 26) |
+ (static_cast<Int64>(a_BlockZ & 0x3FFFFFF))
+ );
}
diff --git a/src/ByteBuffer.h b/src/ByteBuffer.h
index 0e50c948a..b5679776e 100644
--- a/src/ByteBuffer.h
+++ b/src/ByteBuffer.h
@@ -96,7 +96,7 @@ public:
bool WriteVarInt (UInt32 a_Value);
bool WriteVarUTF8String (const AString & a_Value); // string length as VarInt, then string as UTF-8
bool WriteLEInt32 (Int32 a_Value);
- bool WritePosition (Int32 a_BlockX, Int32 a_BlockY, Int32 a_BlockZ);
+ bool WritePosition64 (Int32 a_BlockX, Int32 a_BlockY, Int32 a_BlockZ);
/** Reads a_Count bytes into a_Buffer; returns true if successful */
bool ReadBuf(void * a_Buffer, size_t a_Count);
diff --git a/src/Entities/ItemFrame.h b/src/Entities/ItemFrame.h
index 2444b26a3..ff43e5ee1 100644
--- a/src/Entities/ItemFrame.h
+++ b/src/Entities/ItemFrame.h
@@ -24,7 +24,7 @@ public:
// tolua_begin
/** Returns the item in the frame */
- const cItem & GetItem(void) { return m_Item; }
+ const cItem & GetItem(void) const { return m_Item; }
/** Set the item in the frame */
void SetItem(cItem & a_Item) { m_Item = a_Item; }
diff --git a/src/OSSupport/CriticalSection.h b/src/OSSupport/CriticalSection.h
index 17fcdfc12..d52f049d2 100644
--- a/src/OSSupport/CriticalSection.h
+++ b/src/OSSupport/CriticalSection.h
@@ -10,22 +10,22 @@
class cCriticalSection
{
public:
-
void Lock(void);
void Unlock(void);
// IsLocked/IsLockedByCurrentThread are only used in ASSERT statements, but because of the changes with ASSERT they must always be defined
// The fake versions (in Release) will not effect the program in any way
#ifdef _DEBUG
- cCriticalSection(void);
- bool IsLocked(void);
- bool IsLockedByCurrentThread(void);
+ cCriticalSection(void);
+ bool IsLocked(void);
+ bool IsLockedByCurrentThread(void);
#else
- bool IsLocked(void) { return false; }
- bool IsLockedByCurrentThread(void) { return false; }
+ bool IsLocked(void) { return false; }
+ bool IsLockedByCurrentThread(void) { return false; }
#endif // _DEBUG
private:
+
#ifdef _DEBUG
int m_IsLocked; // Number of times this CS is locked
std::thread::id m_OwningThreadID;
diff --git a/src/Protocol/CMakeLists.txt b/src/Protocol/CMakeLists.txt
index 7c97e67bc..c3a45ca47 100644
--- a/src/Protocol/CMakeLists.txt
+++ b/src/Protocol/CMakeLists.txt
@@ -8,19 +8,23 @@ SET (SRCS
Authenticator.cpp
ChunkDataSerializer.cpp
MojangAPI.cpp
+ Packetizer.cpp
Protocol17x.cpp
Protocol18x.cpp
- ProtocolRecognizer.cpp)
+ ProtocolRecognizer.cpp
+)
SET (HDRS
Authenticator.h
ChunkDataSerializer.h
MojangAPI.h
+ Packetizer.h
Protocol.h
Protocol17x.h
Protocol18x.h
- ProtocolRecognizer.h)
+ ProtocolRecognizer.h
+)
-if(NOT MSVC)
+if (NOT MSVC)
add_library(Protocol ${SRCS} ${HDRS})
endif()
diff --git a/src/Protocol/Packetizer.cpp b/src/Protocol/Packetizer.cpp
new file mode 100644
index 000000000..2b27f7b2f
--- /dev/null
+++ b/src/Protocol/Packetizer.cpp
@@ -0,0 +1,102 @@
+
+// Packetizer.cpp
+
+// Implements the cPacketizer class representing a wrapper for sending a single packet over a protocol.
+
+#include "Globals.h"
+#include "Packetizer.h"
+
+
+
+
+
+/** Converts the hex digit character to its value. */
+static UInt8 HexDigitValue(char a_Character)
+{
+ switch (a_Character)
+ {
+ case '0': return 0;
+ case '1': return 1;
+ case '2': return 2;
+ case '3': return 3;
+ case '4': return 4;
+ case '5': return 5;
+ case '6': return 6;
+ case '7': return 7;
+ case '8': return 8;
+ case '9': return 9;
+ case 'a': return 10;
+ case 'b': return 11;
+ case 'c': return 12;
+ case 'd': return 13;
+ case 'e': return 14;
+ case 'f': return 15;
+ case 'A': return 10;
+ case 'B': return 11;
+ case 'C': return 12;
+ case 'D': return 13;
+ case 'E': return 14;
+ case 'F': return 15;
+ default:
+ {
+ LOGWARNING("Bad hex digit: %c", a_Character);
+ ASSERT(!"Bad hex digit");
+ return 0;
+ }
+ }
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cPacketizer:
+
+cPacketizer::~cPacketizer()
+{
+ m_Protocol.SendPacket(*this);
+}
+
+
+
+
+
+void cPacketizer::WriteByteAngle(double a_Angle)
+{
+ WriteChar(static_cast<char>(255 * a_Angle / 360));
+}
+
+
+
+
+
+void cPacketizer::WriteFPInt(double a_Value)
+{
+ Int32 Value = static_cast<Int32>(a_Value * 32);
+ WriteInt(Value);
+}
+
+
+
+
+
+void cPacketizer::WriteUUID(const AString & a_UUID)
+{
+ if (a_UUID.length() != 32)
+ {
+ LOGWARNING("%s: Attempt to send a bad uuid (length isn't 32): %s", __FUNCTION__, a_UUID.c_str());
+ ASSERT(!"Wrong uuid length!");
+ return;
+ }
+
+ for (size_t i = 0; i < 32; i += 2)
+ {
+ auto val = static_cast<UInt8>(HexDigitValue(a_UUID[i]) << 4 | HexDigitValue(a_UUID[i + 1]));
+ VERIFY(m_Out.WriteBEUInt8(val));
+ }
+}
+
+
+
+
diff --git a/src/Protocol/Packetizer.h b/src/Protocol/Packetizer.h
new file mode 100644
index 000000000..98b50c73f
--- /dev/null
+++ b/src/Protocol/Packetizer.h
@@ -0,0 +1,149 @@
+
+// Packetizer.h
+
+// Declares the cPacketizer class representing a wrapper for sending a single packet over a protocol.
+// The class provides auto-locking, serialization and send-on-instance-destroy semantics
+
+
+
+
+
+#pragma once
+
+#include "Protocol.h"
+#include "../ByteBuffer.h"
+
+
+
+
+
+/** Composes an individual packet in the protocol's m_OutPacketBuffer; sends it just before being destructed. */
+class cPacketizer
+{
+public:
+ /** Starts serializing a new packet into the protocol's m_OutPacketBuffer.
+ Locks the protocol's m_CSPacket to avoid multithreading issues. */
+ cPacketizer(cProtocol & a_Protocol, UInt32 a_PacketType) :
+ m_Protocol(a_Protocol),
+ m_Out(a_Protocol.m_OutPacketBuffer),
+ m_Lock(a_Protocol.m_CSPacket),
+ m_PacketType(a_PacketType) // Used for logging purposes
+ {
+ m_Out.WriteVarInt(a_PacketType);
+ }
+
+ /** Sends the packet via the contained protocol's SendPacket() function. */
+ ~cPacketizer();
+
+ inline void WriteBool(bool a_Value)
+ {
+ VERIFY(m_Out.WriteBool(a_Value));
+ }
+
+ inline void WriteByte(Byte a_Value)
+ {
+ VERIFY(m_Out.WriteBEUInt8(a_Value));
+ }
+
+
+ inline void WriteChar(char a_Value)
+ {
+ VERIFY(m_Out.WriteBEInt8(a_Value));
+ }
+
+
+ inline void WriteShort(short a_Value)
+ {
+ VERIFY(m_Out.WriteBEInt16(a_Value));
+ }
+
+
+ inline void WriteBEUInt16(short a_Value)
+ {
+ VERIFY(m_Out.WriteBEUInt16(a_Value));
+ }
+
+
+ inline void WriteInt(Int32 a_Value)
+ {
+ VERIFY(m_Out.WriteBEInt32(a_Value));
+ }
+
+
+ inline void WriteUInt32(UInt32 a_Value)
+ {
+ VERIFY(m_Out.WriteBEUInt32(a_Value));
+ }
+
+
+ inline void WriteInt64(Int64 a_Value)
+ {
+ VERIFY(m_Out.WriteBEInt64(a_Value));
+ }
+
+
+ inline void WriteFloat(float a_Value)
+ {
+ VERIFY(m_Out.WriteBEFloat(a_Value));
+ }
+
+
+ inline void WriteDouble(double a_Value)
+ {
+ VERIFY(m_Out.WriteBEDouble(a_Value));
+ }
+
+
+ inline void WriteVarInt(UInt32 a_Value)
+ {
+ VERIFY(m_Out.WriteVarInt(a_Value));
+ }
+
+
+ inline void WriteString(const AString & a_Value)
+ {
+ VERIFY(m_Out.WriteVarUTF8String(a_Value));
+ }
+
+
+ inline void WriteBuf(const char * a_Data, size_t a_Size)
+ {
+ VERIFY(m_Out.Write(a_Data, a_Size));
+ }
+
+
+ /** Writes the specified block position as a single encoded 64-bit BigEndian integer. */
+ inline void WritePosition(int a_BlockX, int a_BlockY, int a_BlockZ)
+ {
+ VERIFY(m_Out.WritePosition64(a_BlockX, a_BlockY, a_BlockZ));
+ }
+
+ /** Writes the specified angle using a single byte. */
+ void WriteByteAngle(double a_Angle);
+
+ /** Writes the double value as a 27:5 fixed-point integer. */
+ void WriteFPInt(double a_Value);
+
+ /** Writes the specified UUID as a 128-bit BigEndian integer. */
+ void WriteUUID(const AString & a_UUID);
+
+ UInt32 GetPacketType(void) const { return m_PacketType; }
+
+protected:
+ /** The protocol instance in which the packet is being constructed. */
+ cProtocol & m_Protocol;
+
+ /** The protocol's buffer for the constructed packet data. */
+ cByteBuffer & m_Out;
+
+ /** The RAII lock preventing multithreaded access to the protocol buffer while constructing the packet. */
+ cCSLock m_Lock;
+
+ /** Type of the contained packet.
+ Used for logging purposes, the packet type is encoded into m_Out immediately in constructor. */
+ UInt32 m_PacketType;
+} ;
+
+
+
+
diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index 652b5aa7e..d8399049e 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -14,6 +14,7 @@
#include "../Endianness.h"
#include "../Scoreboard.h"
#include "../Map.h"
+#include "../ByteBuffer.h"
@@ -32,6 +33,7 @@ class cChunkDataSerializer;
class cFallingBlock;
class cCompositeChat;
class cStatManager;
+class cPacketizer;
@@ -47,7 +49,9 @@ class cProtocol
{
public:
cProtocol(cClientHandle * a_Client) :
- m_Client(a_Client)
+ m_Client(a_Client),
+ m_OutPacketBuffer(64 KiB),
+ m_OutPacketLenBuffer(20) // 20 bytes is more than enough for one VarInt
{
}
@@ -136,11 +140,27 @@ public:
virtual AString GetAuthServerID(void) = 0;
protected:
+ friend class cPacketizer;
+
cClientHandle * m_Client;
- cCriticalSection m_CSPacket; // Each SendXYZ() function must acquire this CS in order to send the whole packet at once
- /// A generic data-sending routine, all outgoing packet data needs to be routed through this so that descendants may override it
+ /** Provides synchronization for sending the entire packet at once.
+ Each SendXYZ() function must acquire this CS in order to send the whole packet at once.
+ Automated via cPacketizer class. */
+ cCriticalSection m_CSPacket;
+
+ /** Buffer for composing the outgoing packets, through cPacketizer */
+ cByteBuffer m_OutPacketBuffer;
+
+ /** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */
+ cByteBuffer m_OutPacketLenBuffer;
+
+ /** A generic data-sending routine, all outgoing packet data needs to be routed through this so that descendants may override it. */
virtual void SendData(const char * a_Data, size_t a_Size) = 0;
+
+ /** Sends a single packet contained within the cPacketizer class.
+ The cPacketizer's destructor calls this to send the contained packet; protocol may transform the data (compression in 1.8 etc). */
+ virtual void SendPacket(cPacketizer & a_Packet) = 0;
} ;
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 431072bdb..9632a54b7 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -14,6 +14,7 @@ Implements the 1.7.x protocol classes:
#include "Protocol17x.h"
#include "ChunkDataSerializer.h"
#include "PolarSSL++/Sha1Checksum.h"
+#include "Packetizer.h"
#include "../ClientHandle.h"
#include "../Root.h"
@@ -105,8 +106,6 @@ cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAdd
m_ServerPort(a_ServerPort),
m_State(a_State),
m_ReceivedData(32 KiB),
- m_OutPacketBuffer(64 KiB),
- m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
m_IsEncrypted(false),
m_LastSentDimension(dimNotSet)
{
@@ -381,7 +380,7 @@ void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum
cPacketizer Pkt(*this, 0x04); // Entity Equipment packet
Pkt.WriteUInt32(a_Entity.GetUniqueID());
Pkt.WriteShort(a_SlotNum);
- Pkt.WriteItem(a_Item);
+ WriteItem(Pkt, a_Item);
}
@@ -421,7 +420,7 @@ void cProtocol172::SendEntityMetadata(const cEntity & a_Entity)
cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
Pkt.WriteUInt32(a_Entity.GetUniqueID());
- Pkt.WriteEntityMetadata(a_Entity);
+ WriteEntityMetadata(Pkt, a_Entity);
Pkt.WriteByte(0x7f); // The termination byte
}
@@ -435,7 +434,7 @@ void cProtocol172::SendEntityProperties(const cEntity & a_Entity)
cPacketizer Pkt(*this, 0x20); // Entity Properties packet
Pkt.WriteUInt32(a_Entity.GetUniqueID());
- Pkt.WriteEntityProperties(a_Entity);
+ WriteEntityProperties(Pkt, a_Entity);
}
@@ -563,7 +562,7 @@ void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cIt
cPacketizer Pkt(*this, 0x2f); // Set Slot packet
Pkt.WriteChar(a_WindowID);
Pkt.WriteShort(a_SlotNum);
- Pkt.WriteItem(a_Item);
+ WriteItem(Pkt, a_Item);
}
@@ -734,7 +733,7 @@ void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
Pkt.WriteUInt32(a_Pickup.GetUniqueID());
Pkt.WriteByte((0x05 << 5) | 10); // Slot type + index 10
- Pkt.WriteItem(a_Pickup.GetItem());
+ WriteItem(Pkt, a_Pickup.GetItem());
Pkt.WriteByte(0x7f); // End of metadata
}
}
@@ -1157,7 +1156,7 @@ void cProtocol172::SendSpawnMob(const cMonster & a_Mob)
Pkt.WriteShort(static_cast<short>(a_Mob.GetSpeedX() * 400));
Pkt.WriteShort(static_cast<short>(a_Mob.GetSpeedY() * 400));
Pkt.WriteShort(static_cast<short>(a_Mob.GetSpeedZ() * 400));
- Pkt.WriteEntityMetadata(a_Mob);
+ WriteEntityMetadata(Pkt, a_Mob);
Pkt.WriteByte(0x7f); // Metadata terminator
}
@@ -1341,7 +1340,7 @@ void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
}
Pkt.WriteByte(Action);
- Pkt.WriteBlockEntity(a_BlockEntity);
+ WriteBlockEntity(Pkt, a_BlockEntity);
}
@@ -1412,7 +1411,7 @@ void cProtocol172::SendWholeInventory(const cWindow & a_Window)
a_Window.GetSlots(*(m_Client->GetPlayer()), Slots);
for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr)
{
- Pkt.WriteItem(*itr);
+ WriteItem(Pkt, *itr);
} // for itr - Slots[]
}
@@ -2383,6 +2382,39 @@ void cProtocol172::SendData(const char * a_Data, size_t a_Size)
+void cProtocol172::SendPacket(cPacketizer & a_Packet)
+{
+ AString DataToSend;
+
+ // Send the packet length
+ UInt32 PacketLen = static_cast<UInt32>(m_OutPacketBuffer.GetUsedSpace());
+
+ m_OutPacketLenBuffer.WriteVarInt(PacketLen);
+ m_OutPacketLenBuffer.ReadAll(DataToSend);
+ SendData(DataToSend.data(), DataToSend.size());
+ m_OutPacketLenBuffer.CommitRead();
+
+ // Send the packet data:
+ m_OutPacketBuffer.ReadAll(DataToSend);
+ SendData(DataToSend.data(), DataToSend.size());
+ m_OutPacketBuffer.CommitRead();
+
+ // Log the comm into logfile:
+ if (g_ShouldLogCommOut)
+ {
+ AString Hex;
+ ASSERT(DataToSend.size() > 0);
+ CreateHexDump(Hex, DataToSend.data(), DataToSend.size(), 16);
+ m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload (incl. type):\n%s\n",
+ a_Packet.GetPacketType(), a_Packet.GetPacketType(), PacketLen, PacketLen, m_State, Hex.c_str()
+ );
+ }
+}
+
+
+
+
+
bool cProtocol172::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item)
{
HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemType);
@@ -2542,43 +2574,7 @@ eBlockFace cProtocol172::FaceIntToBlockFace(Int8 a_BlockFace)
-////////////////////////////////////////////////////////////////////////////////
-// cProtocol172::cPacketizer:
-
-cProtocol172::cPacketizer::~cPacketizer()
-{
- AString DataToSend;
-
- // Send the packet length
- UInt32 PacketLen = static_cast<UInt32>(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();
-
- // Log the comm into logfile:
- if (g_ShouldLogCommOut)
- {
- AString Hex;
- ASSERT(DataToSend.size() > 0);
- CreateHexDump(Hex, DataToSend.data() + 1, DataToSend.size() - 1, 16);
- m_Protocol.m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload:\n%s\n",
- DataToSend[0], DataToSend[0], PacketLen, PacketLen, m_Protocol.m_State, Hex.c_str()
- );
- }
-}
-
-
-
-
-
-void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
+void cProtocol172::WriteItem(cPacketizer & a_Pkt, const cItem & a_Item)
{
short ItemType = a_Item.m_ItemType;
ASSERT(ItemType >= -1); // Check validity of packets in debug runtime
@@ -2590,17 +2586,17 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
if (a_Item.IsEmpty())
{
- WriteShort(-1);
+ a_Pkt.WriteShort(-1);
return;
}
- WriteShort(ItemType);
- WriteChar (a_Item.m_ItemCount);
- WriteShort(a_Item.m_ItemDamage);
+ a_Pkt.WriteShort(ItemType);
+ a_Pkt.WriteChar (a_Item.m_ItemCount);
+ a_Pkt.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))
{
- WriteShort(-1);
+ a_Pkt.WriteShort(-1);
return;
}
@@ -2649,15 +2645,15 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
AString Compressed;
CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
- WriteShort((short)Compressed.size());
- WriteBuf(Compressed.data(), Compressed.size());
+ a_Pkt.WriteBEUInt16(static_cast<UInt16>(Compressed.size()));
+ a_Pkt.WriteBuf(Compressed.data(), Compressed.size());
}
-void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEntity)
+void cProtocol172::WriteBlockEntity(cPacketizer & a_Pkt, const cBlockEntity & a_BlockEntity)
{
cFastNBTWriter Writer;
@@ -2665,46 +2661,41 @@ void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
{
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());
+ auto & BeaconEntity = reinterpret_cast<const cBeaconEntity &>(a_BlockEntity);
+ Writer.AddInt("x", BeaconEntity.GetPosX());
+ Writer.AddInt("y", BeaconEntity.GetPosY());
+ Writer.AddInt("z", BeaconEntity.GetPosZ());
+ Writer.AddInt("Primary", BeaconEntity.GetPrimaryEffect());
Writer.AddInt("Secondary", BeaconEntity.GetSecondaryEffect());
- Writer.AddInt("Levels", BeaconEntity.GetBeaconLevel());
+ Writer.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;
-
+ auto & CommandBlockEntity = reinterpret_cast<const cCommandBlockEntity &>(a_BlockEntity);
Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this
Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult());
- Writer.AddInt("x", CommandBlockEntity.GetPosX());
- Writer.AddInt("y", CommandBlockEntity.GetPosY());
- Writer.AddInt("z", CommandBlockEntity.GetPosZ());
- Writer.AddString("Command", CommandBlockEntity.GetCommand().c_str());
+ 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?)
+ // MCS doesn't have this, so just leave it at '@'.
Writer.AddString("CustomName", "@");
- Writer.AddString("id", "Control"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
-
+ 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());
+ Writer.AddString("LastOutput", Printf("{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str()));
}
break;
}
+
case E_BLOCK_HEAD:
{
- cMobHeadEntity & MobHeadEntity = (cMobHeadEntity &)a_BlockEntity;
-
+ auto & MobHeadEntity = reinterpret_cast<const cMobHeadEntity &>(a_BlockEntity);
Writer.AddInt("x", MobHeadEntity.GetPosX());
Writer.AddInt("y", MobHeadEntity.GetPosY());
Writer.AddInt("z", MobHeadEntity.GetPosZ());
@@ -2714,10 +2705,10 @@ void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
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;
-
+ auto & FlowerPotEntity = reinterpret_cast<const cFlowerPotEntity &>(a_BlockEntity);
Writer.AddInt("x", FlowerPotEntity.GetPosX());
Writer.AddInt("y", FlowerPotEntity.GetPosY());
Writer.AddInt("z", FlowerPotEntity.GetPosZ());
@@ -2726,10 +2717,10 @@ void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
break;
}
+
case E_BLOCK_MOB_SPAWNER:
{
- cMobSpawnerEntity & MobSpawnerEntity = (cMobSpawnerEntity &)a_BlockEntity;
-
+ auto & MobSpawnerEntity = reinterpret_cast<const cMobSpawnerEntity &>(a_BlockEntity);
Writer.AddInt("x", MobSpawnerEntity.GetPosX());
Writer.AddInt("y", MobSpawnerEntity.GetPosY());
Writer.AddInt("z", MobSpawnerEntity.GetPosZ());
@@ -2738,41 +2729,26 @@ void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
Writer.AddString("id", "MobSpawner");
break;
}
- default: break;
+
+ default:
+ {
+ break;
+ }
}
Writer.Finish();
AString Compressed;
CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
- WriteShort((short)Compressed.size());
- WriteBuf(Compressed.data(), Compressed.size());
-}
-
-
-
-
-
-void cProtocol172::cPacketizer::WriteByteAngle(double a_Angle)
-{
- WriteChar(static_cast<char>(255 * a_Angle / 360));
+ a_Pkt.WriteBEUInt16(static_cast<UInt16>(Compressed.size()));
+ a_Pkt.WriteBuf(Compressed.data(), Compressed.size());
}
-void cProtocol172::cPacketizer::WriteFPInt(double a_Value)
-{
- int Value = (int)(a_Value * 32);
- WriteInt(Value);
-}
-
-
-
-
-
-void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
+void cProtocol172::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity)
{
// Common metadata:
Byte Flags = 0;
@@ -2796,21 +2772,21 @@ void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
{
Flags |= 0x20;
}
- WriteByte(0); // Byte(0) + index 0
- WriteByte(Flags);
+ a_Pkt.WriteByte(0); // Byte(0) + index 0
+ a_Pkt.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());
+ a_Pkt.WriteByte((5 << 5) | 10); // Slot(5) + index 10
+ WriteItem(a_Pkt, reinterpret_cast<const cPickup &>(a_Entity).GetItem());
break;
}
case cEntity::etMinecart:
{
- WriteByte(0x51);
+ a_Pkt.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:
@@ -2819,263 +2795,274 @@ void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
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
+ auto & Minecart = reinterpret_cast<const cMinecart &>(a_Entity);
+ a_Pkt.WriteInt((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * Minecart.LastDamage()) * 4);
+ a_Pkt.WriteByte(0x52);
+ a_Pkt.WriteInt(1); // Shaking direction, doesn't seem to affect anything
+ a_Pkt.WriteByte(0x73);
+ a_Pkt.WriteFloat(static_cast<float>(Minecart.LastDamage() + 10)); // Damage taken / shake effect multiplyer
- if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpNone)
+ if (Minecart.GetPayload() == cMinecart::mpNone)
{
- cRideableMinecart & RideableMinecart = ((cRideableMinecart &)a_Entity);
+ auto & RideableMinecart = reinterpret_cast<const cRideableMinecart &>(Minecart);
const cItem & MinecartContent = RideableMinecart.GetContent();
if (!MinecartContent.IsEmpty())
{
- WriteByte(0x54);
+ a_Pkt.WriteByte(0x54);
int Content = MinecartContent.m_ItemType;
Content |= MinecartContent.m_ItemDamage << 8;
- WriteInt(Content);
- WriteByte(0x55);
- WriteInt(RideableMinecart.GetBlockHeight());
- WriteByte(0x56);
- WriteByte(1);
+ a_Pkt.WriteInt(Content);
+ a_Pkt.WriteByte(0x55);
+ a_Pkt.WriteInt(RideableMinecart.GetBlockHeight());
+ a_Pkt.WriteByte(0x56);
+ a_Pkt.WriteByte(1);
}
}
- else if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpFurnace)
+ else if (Minecart.GetPayload() == cMinecart::mpFurnace)
{
- WriteByte(0x10);
- WriteByte(((const cMinecartWithFurnace &)a_Entity).IsFueled() ? 1 : 0);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cMinecartWithFurnace &>(Minecart).IsFueled() ? 1 : 0);
}
break;
- }
+ } // case etMinecart
+
case cEntity::etProjectile:
{
- cProjectileEntity & Projectile = (cProjectileEntity &)a_Entity;
+ auto & Projectile = reinterpret_cast<const cProjectileEntity &>(a_Entity);
switch (Projectile.GetProjectileKind())
{
case cProjectileEntity::pkArrow:
{
- WriteByte(0x10);
- WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cArrowEntity &>(a_Entity).IsCritical() ? 1 : 0);
break;
}
case cProjectileEntity::pkFirework:
{
- WriteByte(0xA8);
- WriteItem(((const cFireworkEntity &)a_Entity).GetItem());
+ a_Pkt.WriteByte(0xa8);
+ WriteItem(a_Pkt, reinterpret_cast<const cFireworkEntity &>(a_Entity).GetItem());
break;
}
default: break;
}
break;
- }
+ } // case etProjectile
+
case cEntity::etMonster:
{
- WriteMobMetadata((const cMonster &)a_Entity);
+ WriteMobMetadata(a_Pkt, reinterpret_cast<const cMonster &>(a_Entity));
break;
- }
+ } // case etMonster
+
case cEntity::etItemFrame:
{
- cItemFrame & Frame = (cItemFrame &)a_Entity;
- WriteByte(0xA2);
- WriteItem(Frame.GetItem());
- WriteByte(0x3);
- WriteByte(Frame.GetItemRotation() / 2);
+ auto & Frame = reinterpret_cast<const cItemFrame &>(a_Entity);
+ a_Pkt.WriteByte(0xa2);
+ WriteItem(a_Pkt, Frame.GetItem());
+ a_Pkt.WriteByte(0x03);
+ a_Pkt.WriteByte(Frame.GetItemRotation() / 2);
+ break;
+ } // case etItemFrame
+
+ default:
+ {
break;
}
- default: break;
- }
+ } // switch (EntityType)
}
-void cProtocol172::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
+void cProtocol172::WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob)
{
switch (a_Mob.GetMobType())
{
- case mtCreeper:
- {
- WriteByte(0x10);
- WriteByte(((const cCreeper &)a_Mob).IsBlowing() ? 1 : 0);
- 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);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cBat &>(a_Mob).IsHanging() ? 1 : 0);
break;
- }
+ } // case mtBat
- case mtVillager:
+ case mtCreeper:
{
- WriteByte(0x50);
- WriteInt(((const cVillager &)a_Mob).GetVilType());
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cCreeper &>(a_Mob).IsBlowing() ? 1 : 0);
+ a_Pkt.WriteByte(0x11);
+ a_Pkt.WriteByte(reinterpret_cast<const cCreeper &>(a_Mob).IsCharged() ? 1 : 0);
break;
- }
+ } // case mtCreeper
- case mtZombie:
+ case mtEnderman:
{
- 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);
+ auto & Enderman = reinterpret_cast<const cEnderman &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte((Byte)(Enderman.GetCarriedBlock()));
+ a_Pkt.WriteByte(0x11);
+ a_Pkt.WriteByte((Byte)(Enderman.GetCarriedMeta()));
+ a_Pkt.WriteByte(0x12);
+ a_Pkt.WriteByte(Enderman.IsScreaming() ? 1 : 0);
break;
- }
+ } // case mtEnderman
case mtGhast:
{
- WriteByte(0x10);
- WriteByte(((const cGhast &)a_Mob).IsCharging());
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cGhast &>(a_Mob).IsCharging());
break;
- }
+ } // case mtGhast
- case mtWolf:
+ case mtHorse:
{
- const cWolf & Wolf = (const cWolf &)a_Mob;
- Byte WolfStatus = 0;
- if (Wolf.IsSitting())
+ auto & Horse = reinterpret_cast<const cHorse &>(a_Mob);
+ int Flags = 0;
+ if (Horse.IsTame())
{
- WolfStatus |= 0x1;
+ Flags |= 0x02;
}
- if (Wolf.IsAngry())
+ if (Horse.IsSaddled())
{
- WolfStatus |= 0x2;
+ Flags |= 0x04;
}
- if (Wolf.IsTame())
+ if (Horse.IsChested())
{
- WolfStatus |= 0x4;
+ Flags |= 0x08;
}
- WriteByte(0x10);
- WriteByte(WolfStatus);
-
- WriteByte(0x72);
- WriteFloat((float)(a_Mob.GetHealth()));
- WriteByte(0x13);
- WriteByte(Wolf.IsBegging() ? 1 : 0);
- WriteByte(0x14);
- WriteByte(static_cast<Byte>(Wolf.GetCollarColor()));
+ if (Horse.IsBaby())
+ {
+ Flags |= 0x10;
+ }
+ if (Horse.IsEating())
+ {
+ Flags |= 0x20;
+ }
+ if (Horse.IsRearing())
+ {
+ Flags |= 0x40;
+ }
+ if (Horse.IsMthOpen())
+ {
+ Flags |= 0x80;
+ }
+ a_Pkt.WriteByte(0x50); // Int at index 16
+ a_Pkt.WriteInt(Flags);
+ a_Pkt.WriteByte(0x13); // Byte at index 19
+ a_Pkt.WriteByte(static_cast<Byte>(Horse.GetHorseType()));
+ a_Pkt.WriteByte(0x54); // Int at index 20
+ int Appearance = 0;
+ Appearance = Horse.GetHorseColor();
+ Appearance |= Horse.GetHorseStyle() << 8;
+ a_Pkt.WriteInt(Appearance);
+ a_Pkt.WriteByte(0x56); // Int at index 22
+ a_Pkt.WriteInt(Horse.GetHorseArmour());
break;
- }
+ } // case mtHorse
+
+ case mtMagmaCube:
+ {
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(static_cast<Byte>(reinterpret_cast<const cMagmaCube &>(a_Mob).GetSize()));
+ break;
+ } // case mtMagmaCube
+
+ case mtPig:
+ {
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cPig &>(a_Mob).IsSaddled() ? 1 : 0);
+ break;
+ } // case mtPig
case mtSheep:
{
- WriteByte(0x10);
- Byte SheepMetadata = static_cast<Byte>(((const cSheep &)a_Mob).GetFurColor() & 0x0f);
- if (((const cSheep &)a_Mob).IsSheared())
+ a_Pkt.WriteByte(0x10);
+ auto & Sheep = reinterpret_cast<const cSheep &>(a_Mob);
+ Byte SheepMetadata = static_cast<Byte>(Sheep.GetFurColor() & 0x0f);
+ if (Sheep.IsSheared())
{
SheepMetadata |= 0x10;
}
- WriteByte(SheepMetadata);
+ a_Pkt.WriteByte(SheepMetadata);
break;
- }
-
- case 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 mtSheep
case mtSkeleton:
{
- WriteByte(0x0d);
- WriteByte(((const cSkeleton &)a_Mob).IsWither() ? 1 : 0);
+ a_Pkt.WriteByte(0x0d);
+ a_Pkt.WriteByte(reinterpret_cast<const cSkeleton &>(a_Mob).IsWither() ? 1 : 0);
break;
- }
+ } // case mtSkeleton
- case mtWitch:
+ case mtSlime:
{
- WriteByte(0x15);
- WriteByte(((const cWitch &)a_Mob).IsAngry() ? 1 : 0);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(static_cast<Byte>(reinterpret_cast<const cSlime &>(a_Mob).GetSize()));
break;
- }
-
- case mtWither:
+ } // case mtSlime
+
+ case mtVillager:
{
- WriteByte(0x54); // Int at index 20
- WriteInt(static_cast<int>(((const cWither &)a_Mob).GetWitherInvulnerableTicks()));
- WriteByte(0x66); // Float at index 6
- WriteFloat((float)(a_Mob.GetHealth()));
+ a_Pkt.WriteByte(0x50);
+ a_Pkt.WriteInt(reinterpret_cast<const cVillager &>(a_Mob).GetVilType());
break;
- }
+ } // case mtVillager
- case mtSlime:
+ case mtWitch:
{
- WriteByte(0x10);
- WriteByte(static_cast<Byte>(((const cSlime &)a_Mob).GetSize()));
+ a_Pkt.WriteByte(0x15);
+ a_Pkt.WriteByte(reinterpret_cast<const cWitch &>(a_Mob).IsAngry() ? 1 : 0);
break;
- }
-
- case mtMagmaCube:
+ } // case mtWitch
+
+ case mtWither:
{
- WriteByte(0x10);
- WriteByte(static_cast<Byte>(((const cMagmaCube &)a_Mob).GetSize()));
+ a_Pkt.WriteByte(0x54); // Int at index 20
+ a_Pkt.WriteInt(static_cast<int>(reinterpret_cast<const cWither &>(a_Mob).GetWitherInvulnerableTicks()));
+ a_Pkt.WriteByte(0x66); // Float at index 6
+ a_Pkt.WriteFloat(static_cast<float>(a_Mob.GetHealth()));
break;
- }
+ } // case mtWither
- case mtHorse:
+ case mtWolf:
{
- 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())
+ auto & Wolf = reinterpret_cast<const cWolf &>(a_Mob);
+ Byte WolfStatus = 0;
+ if (Wolf.IsSitting())
{
- Flags |= 0x20;
+ WolfStatus |= 0x1;
}
- if (Horse.IsRearing())
+ if (Wolf.IsAngry())
{
- Flags |= 0x40;
+ WolfStatus |= 0x2;
}
- if (Horse.IsMthOpen())
+ if (Wolf.IsTame())
{
- Flags |= 0x80;
+ WolfStatus |= 0x4;
}
- WriteByte(0x50); // Int at index 16
- WriteInt(Flags);
- WriteByte(0x13); // Byte at index 19
- WriteByte(static_cast<Byte>(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());
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(WolfStatus);
+
+ a_Pkt.WriteByte(0x72);
+ a_Pkt.WriteFloat(static_cast<float>(a_Mob.GetHealth()));
+ a_Pkt.WriteByte(0x13);
+ a_Pkt.WriteByte(Wolf.IsBegging() ? 1 : 0);
+ a_Pkt.WriteByte(0x14);
+ a_Pkt.WriteByte(static_cast<Byte>(Wolf.GetCollarColor()));
break;
- }
+ } // case mtWolf
+
+ case mtZombie:
+ {
+ auto & Zombie = reinterpret_cast<const cZombie &>(a_Mob);
+ a_Pkt.WriteByte(0x0c);
+ a_Pkt.WriteByte(Zombie.IsBaby() ? 1 : 0);
+ a_Pkt.WriteByte(0x0d);
+ a_Pkt.WriteByte(Zombie.IsVillagerZombie() ? 1 : 0);
+ a_Pkt.WriteByte(0x0e);
+ a_Pkt.WriteByte(Zombie.IsConverting() ? 1 : 0);
+ break;
+ } // case mtZombie
default:
{
@@ -3087,10 +3074,10 @@ void cProtocol172::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
// Custom name:
if (a_Mob.HasCustomName())
{
- WriteByte(0x8a);
- WriteString(a_Mob.GetCustomName());
- WriteByte(0x0b);
- WriteByte(a_Mob.IsCustomNameAlwaysVisible() ? 1 : 0);
+ a_Pkt.WriteByte(0x8a);
+ a_Pkt.WriteString(a_Mob.GetCustomName());
+ a_Pkt.WriteByte(0x0b);
+ a_Pkt.WriteByte(a_Mob.IsCustomNameAlwaysVisible() ? 1 : 0);
}
}
@@ -3098,20 +3085,20 @@ void cProtocol172::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
-void cProtocol172::cPacketizer::WriteEntityProperties(const cEntity & a_Entity)
+void cProtocol172::WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity)
{
if (!a_Entity.IsMob())
{
// No properties for anything else than mobs
- WriteInt(0);
+ a_Pkt.WriteInt(0);
return;
}
- // const cMonster & Mob = (const cMonster &)a_Entity;
+ // auto & Mob = reinterpret_cast<const cMonster &>(a_Entity);
// TODO: Send properties and modifiers based on the mob type
- WriteInt(0); // NumProperties
+ a_Pkt.WriteInt(0); // NumProperties
}
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index 543ae6ee3..1212cc325 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -140,94 +140,6 @@ public:
protected:
- /** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */
- class cPacketizer
- {
- public:
- cPacketizer(cProtocol172 & a_Protocol, UInt32 a_PacketType) :
- m_Protocol(a_Protocol),
- m_Out(a_Protocol.m_OutPacketBuffer),
- m_Lock(a_Protocol.m_CSPacket)
- {
- m_Out.WriteVarInt(a_PacketType);
- }
-
- ~cPacketizer();
-
- void WriteBool(bool a_Value)
- {
- m_Out.WriteBool(a_Value);
- }
-
- void WriteByte(Byte a_Value)
- {
- m_Out.WriteBEUInt8(a_Value);
- }
-
- void WriteChar(char a_Value)
- {
- m_Out.WriteBEInt8(a_Value);
- }
-
- void WriteShort(short a_Value)
- {
- m_Out.WriteBEInt16(a_Value);
- }
-
- void WriteInt(Int32 a_Value)
- {
- m_Out.WriteBEInt32(a_Value);
- }
-
- void WriteUInt32(UInt32 a_Value)
- {
- m_Out.WriteBEUInt32(a_Value);
- }
-
- void WriteInt64(Int64 a_Value)
- {
- m_Out.WriteBEInt64(a_Value);
- }
-
- void WriteFloat(float a_Value)
- {
- m_Out.WriteBEFloat(a_Value);
- }
-
- void WriteDouble(double a_Value)
- {
- m_Out.WriteBEDouble(a_Value);
- }
-
- void WriteVarInt(UInt32 a_Value)
- {
- m_Out.WriteVarInt(a_Value);
- }
-
- void WriteString(const AString & a_Value)
- {
- m_Out.WriteVarUTF8String(a_Value);
- }
-
- void WriteBuf(const char * a_Data, size_t a_Size)
- {
- m_Out.Write(a_Data, a_Size);
- }
-
- void WriteItem(const cItem & a_Item);
- void WriteByteAngle(double a_Angle); // Writes the specified angle using a single byte
- void WriteFPInt(double a_Value); // Writes the double value as a 27:5 fixed-point integer
- void WriteEntityMetadata(const cEntity & a_Entity); // Writes the metadata for the specified entity, not including the terminating 0x7f
- void WriteMobMetadata(const cMonster & a_Mob); // Writes the mob-specific metadata for the specified mob
- void WriteEntityProperties(const cEntity & a_Entity); // Writes the entity properties for the specified entity, including the Count field
- void WriteBlockEntity(const cBlockEntity & a_BlockEntity);
-
- protected:
- cProtocol172 & m_Protocol;
- cByteBuffer & m_Out;
- cCSLock m_Lock;
- } ;
-
AString m_ServerAddress;
UInt16 m_ServerPort;
@@ -240,12 +152,6 @@ protected:
/** Buffer for the received data */
cByteBuffer m_ReceivedData;
- /** Buffer for composing the outgoing packets, through cPacketizer */
- cByteBuffer m_OutPacketBuffer;
-
- /** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */
- cByteBuffer m_OutPacketLenBuffer;
-
bool m_IsEncrypted;
cAesCfb128Decryptor m_Decryptor;
@@ -307,6 +213,9 @@ protected:
/** Sends the data to the client, encrypting them if needed. */
virtual void SendData(const char * a_Data, size_t a_Size) override;
+ /** Sends the packet to the client. Called by the cPacketizer's destructor. */
+ virtual void SendPacket(cPacketizer & a_Packet) override;
+
void SendCompass(const cWorld & a_World);
/** Reads an item out of the received data, sets a_Item to the values read. Returns false if not enough received data */
@@ -320,6 +229,21 @@ protected:
/** Converts the BlockFace received by the protocol into eBlockFace constants.
If the received value doesn't match any of our eBlockFace constants, BLOCK_FACE_NONE is returned. */
eBlockFace FaceIntToBlockFace(Int8 a_FaceInt);
+
+ /** Writes the item data into a packet. */
+ void WriteItem(cPacketizer & a_Pkt, const cItem & a_Item);
+
+ /** Writes the metadata for the specified entity, not including the terminating 0x7f. */
+ void WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity);
+
+ /** Writes the mob-specific metadata for the specified mob */
+ void WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob);
+
+ /** Writes the entity properties for the specified entity, including the Count field. */
+ void WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity);
+
+ /** Writes the block entity data for the specified block entity into the packet. */
+ void WriteBlockEntity(cPacketizer & a_Pkt, const cBlockEntity & a_BlockEntity);
} ;
diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp
index e35ec249b..c48ab14ad 100644
--- a/src/Protocol/Protocol18x.cpp
+++ b/src/Protocol/Protocol18x.cpp
@@ -13,6 +13,7 @@ Implements the 1.8.x protocol classes:
#include "Protocol18x.h"
#include "ChunkDataSerializer.h"
#include "PolarSSL++/Sha1Checksum.h"
+#include "Packetizer.h"
#include "../ClientHandle.h"
#include "../Root.h"
@@ -105,8 +106,6 @@ cProtocol180::cProtocol180(cClientHandle * a_Client, const AString & a_ServerAdd
m_ServerPort(a_ServerPort),
m_State(a_State),
m_ReceivedData(32 KiB),
- m_OutPacketBuffer(64 KiB),
- m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
m_IsEncrypted(false),
m_LastSentDimension(dimNotSet)
{
@@ -365,7 +364,7 @@ void cProtocol180::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum
cPacketizer Pkt(*this, 0x04); // Entity Equipment packet
Pkt.WriteVarInt(a_Entity.GetUniqueID());
Pkt.WriteShort(a_SlotNum);
- Pkt.WriteItem(a_Item);
+ WriteItem(Pkt, a_Item);
}
@@ -406,7 +405,7 @@ void cProtocol180::SendEntityMetadata(const cEntity & a_Entity)
cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet
Pkt.WriteVarInt(a_Entity.GetUniqueID());
- Pkt.WriteEntityMetadata(a_Entity);
+ WriteEntityMetadata(Pkt, a_Entity);
Pkt.WriteByte(0x7f); // The termination byte
}
@@ -420,7 +419,7 @@ void cProtocol180::SendEntityProperties(const cEntity & a_Entity)
cPacketizer Pkt(*this, 0x20); // Entity Properties packet
Pkt.WriteVarInt(a_Entity.GetUniqueID());
- Pkt.WriteEntityProperties(a_Entity);
+ WriteEntityProperties(Pkt, a_Entity);
}
@@ -550,7 +549,7 @@ void cProtocol180::SendInventorySlot(char a_WindowID, short a_SlotNum, const cIt
cPacketizer Pkt(*this, 0x2f); // Set Slot packet
Pkt.WriteChar(a_WindowID);
Pkt.WriteShort(a_SlotNum);
- Pkt.WriteItem(a_Item);
+ WriteItem(Pkt, a_Item);
}
@@ -730,7 +729,7 @@ void cProtocol180::SendPickupSpawn(const cPickup & a_Pickup)
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());
+ WriteItem(Pkt, a_Pickup.GetItem());
Pkt.WriteByte(0x7f); // End of metadata
}
}
@@ -1194,7 +1193,7 @@ void cProtocol180::SendSpawnMob(const cMonster & a_Mob)
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);
+ WriteEntityMetadata(Pkt, a_Mob);
Pkt.WriteByte(0x7f); // Metadata terminator
}
@@ -1383,7 +1382,7 @@ void cProtocol180::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
}
Pkt.WriteByte(Action);
- Pkt.WriteBlockEntity(a_BlockEntity);
+ WriteBlockEntity(Pkt, a_BlockEntity);
}
@@ -1452,7 +1451,7 @@ void cProtocol180::SendWholeInventory(const cWindow & a_Window)
a_Window.GetSlots(*(m_Client->GetPlayer()), Slots);
for (cItems::const_iterator itr = Slots.begin(), end = Slots.end(); itr != end; ++itr)
{
- Pkt.WriteItem(*itr);
+ WriteItem(Pkt, *itr);
} // for itr - Slots[]
}
@@ -2782,56 +2781,58 @@ eBlockFace cProtocol180::FaceIntToBlockFace(Int8 a_BlockFace)
////////////////////////////////////////////////////////////////////////////////
// cProtocol180::cPacketizer:
-cProtocol180::cPacketizer::~cPacketizer()
+void cProtocol180::SendPacket(cPacketizer & a_Pkt)
{
- UInt32 PacketLen = (UInt32)m_Out.GetUsedSpace();
+ UInt32 PacketLen = static_cast<UInt32>(m_OutPacketBuffer.GetUsedSpace());
AString PacketData, CompressedPacket;
- m_Out.ReadAll(PacketData);
- m_Out.CommitRead();
+ m_OutPacketBuffer.ReadAll(PacketData);
+ m_OutPacketBuffer.CommitRead();
- if ((m_Protocol.m_State == 3) && (PacketLen >= 256))
+ if ((m_State == 3) && (PacketLen >= 256))
{
+ // Compress the packet payload:
if (!cProtocol180::CompressPacket(PacketData, CompressedPacket))
{
return;
}
}
- else if (m_Protocol.m_State == 3)
+ else if (m_State == 3)
{
- m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen + 1);
- m_Protocol.m_OutPacketLenBuffer.WriteVarInt(0);
-
+ // The packet is not compressed, indicate this in the packet header:
+ m_OutPacketLenBuffer.WriteVarInt(PacketLen + 1);
+ m_OutPacketLenBuffer.WriteVarInt(0);
AString LengthData;
- m_Protocol.m_OutPacketLenBuffer.ReadAll(LengthData);
- m_Protocol.SendData(LengthData.data(), LengthData.size());
+ m_OutPacketLenBuffer.ReadAll(LengthData);
+ SendData(LengthData.data(), LengthData.size());
}
else
{
- m_Protocol.m_OutPacketLenBuffer.WriteVarInt(PacketLen);
-
+ // Compression doesn't apply to this state, send raw data:
+ m_OutPacketLenBuffer.WriteVarInt(PacketLen);
AString LengthData;
- m_Protocol.m_OutPacketLenBuffer.ReadAll(LengthData);
- m_Protocol.SendData(LengthData.data(), LengthData.size());
+ m_OutPacketLenBuffer.ReadAll(LengthData);
+ SendData(LengthData.data(), LengthData.size());
}
+ // Send the packet's payload, either direct or compressed:
if (CompressedPacket.empty())
{
- m_Protocol.m_OutPacketLenBuffer.CommitRead();
- m_Protocol.SendData(PacketData.data(), PacketData.size());
+ m_OutPacketLenBuffer.CommitRead();
+ SendData(PacketData.data(), PacketData.size());
}
else
{
- m_Protocol.SendData(CompressedPacket.data(), CompressedPacket.size());
+ SendData(CompressedPacket.data(), CompressedPacket.size());
}
// Log the comm into logfile:
- if (g_ShouldLogCommOut && m_Protocol.m_CommLogFile.IsOpen())
+ if (g_ShouldLogCommOut && m_CommLogFile.IsOpen())
{
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()
+ CreateHexDump(Hex, PacketData.data(), PacketData.size(), 16);
+ m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload (incl. type):\n%s\n",
+ a_Pkt.GetPacketType(), a_Pkt.GetPacketType(), PacketLen, PacketLen, m_State, Hex.c_str()
);
}
}
@@ -2840,30 +2841,7 @@ cProtocol180::cPacketizer::~cPacketizer()
-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)
+void cProtocol180::WriteItem(cPacketizer & a_Pkt, const cItem & a_Item)
{
short ItemType = a_Item.m_ItemType;
ASSERT(ItemType >= -1); // Check validity of packets in debug runtime
@@ -2875,17 +2853,17 @@ void cProtocol180::cPacketizer::WriteItem(const cItem & a_Item)
if (a_Item.IsEmpty())
{
- WriteShort(-1);
+ a_Pkt.WriteShort(-1);
return;
}
- WriteShort(ItemType);
- WriteByte (a_Item.m_ItemCount);
- WriteShort(a_Item.m_ItemDamage);
+ a_Pkt.WriteShort(ItemType);
+ a_Pkt.WriteByte (a_Item.m_ItemCount);
+ a_Pkt.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);
+ a_Pkt.WriteChar(0);
return;
}
@@ -2928,24 +2906,24 @@ void cProtocol180::cPacketizer::WriteItem(const cItem & a_Item)
}
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);
+ cFireworkItem::WriteToNBTCompound(a_Item.m_FireworkItem, Writer, static_cast<ENUM_ITEM_ID>(a_Item.m_ItemType));
}
Writer.Finish();
AString Result = Writer.GetResult();
if (Result.size() == 0)
{
- WriteChar(0);
+ a_Pkt.WriteChar(0);
return;
}
- WriteBuf(Result.data(), Result.size());
+ a_Pkt.WriteBuf(Result.data(), Result.size());
}
-void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEntity)
+void cProtocol180::WriteBlockEntity(cPacketizer & a_Pkt, const cBlockEntity & a_BlockEntity)
{
cFastNBTWriter Writer;
@@ -2953,21 +2931,20 @@ void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
{
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());
+ auto & BeaconEntity = reinterpret_cast<const cBeaconEntity &>(a_BlockEntity);
+ Writer.AddInt("x", BeaconEntity.GetPosX());
+ Writer.AddInt("y", BeaconEntity.GetPosY());
+ Writer.AddInt("z", BeaconEntity.GetPosZ());
+ Writer.AddInt("Primary", BeaconEntity.GetPrimaryEffect());
Writer.AddInt("Secondary", BeaconEntity.GetSecondaryEffect());
- Writer.AddInt("Levels", BeaconEntity.GetBeaconLevel());
+ Writer.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;
-
+ auto & CommandBlockEntity = reinterpret_cast<const cCommandBlockEntity &>(a_BlockEntity);
Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this
Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult());
Writer.AddInt("x", CommandBlockEntity.GetPosX());
@@ -2979,20 +2956,16 @@ void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
// 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());
+ Writer.AddString("LastOutput", Printf("{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str()));
}
break;
}
+
case E_BLOCK_HEAD:
{
- cMobHeadEntity & MobHeadEntity = (cMobHeadEntity &)a_BlockEntity;
-
+ auto & MobHeadEntity = reinterpret_cast<const cMobHeadEntity &>(a_BlockEntity);
Writer.AddInt("x", MobHeadEntity.GetPosX());
Writer.AddInt("y", MobHeadEntity.GetPosY());
Writer.AddInt("z", MobHeadEntity.GetPosZ());
@@ -3002,10 +2975,10 @@ void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
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;
-
+ auto & FlowerPotEntity = reinterpret_cast<const cFlowerPotEntity &>(a_BlockEntity);
Writer.AddInt("x", FlowerPotEntity.GetPosX());
Writer.AddInt("y", FlowerPotEntity.GetPosY());
Writer.AddInt("z", FlowerPotEntity.GetPosZ());
@@ -3014,10 +2987,10 @@ void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
break;
}
+
case E_BLOCK_MOB_SPAWNER:
{
- cMobSpawnerEntity & MobSpawnerEntity = (cMobSpawnerEntity &)a_BlockEntity;
-
+ auto & MobSpawnerEntity = reinterpret_cast<const cMobSpawnerEntity &>(a_BlockEntity);
Writer.AddInt("x", MobSpawnerEntity.GetPosX());
Writer.AddInt("y", MobSpawnerEntity.GetPosY());
Writer.AddInt("z", MobSpawnerEntity.GetPosZ());
@@ -3026,37 +2999,22 @@ void cProtocol180::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
Writer.AddString("id", "MobSpawner");
break;
}
- default: 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));
+ a_Pkt.WriteBuf(Writer.GetResult().data(), Writer.GetResult().size());
}
-void cProtocol180::cPacketizer::WriteFPInt(double a_Value)
-{
- int Value = (int)(a_Value * 32);
- WriteInt(Value);
-}
-
-
-
-
-
-void cProtocol180::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
+void cProtocol180::WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity)
{
// Common metadata:
Byte Flags = 0;
@@ -3080,21 +3038,21 @@ void cProtocol180::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
{
Flags |= 0x20;
}
- WriteByte(0); // Byte(0) + index 0
- WriteByte(Flags);
+ a_Pkt.WriteByte(0); // Byte(0) + index 0
+ a_Pkt.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());
+ a_Pkt.WriteByte((5 << 5) | 10); // Slot(5) + index 10
+ WriteItem(a_Pkt, reinterpret_cast<const cPickup &>(a_Entity).GetItem());
break;
}
case cEntity::etMinecart:
{
- WriteByte(0x51);
+ a_Pkt.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:
@@ -3103,71 +3061,82 @@ void cProtocol180::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
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
+ auto & Minecart = reinterpret_cast<const cMinecart &>(a_Entity);
+ a_Pkt.WriteInt((((a_Entity.GetMaxHealth() / 2) - (a_Entity.GetHealth() - (a_Entity.GetMaxHealth() / 2))) * Minecart.LastDamage()) * 4);
+ a_Pkt.WriteByte(0x52);
+ a_Pkt.WriteInt(1); // Shaking direction, doesn't seem to affect anything
+ a_Pkt.WriteByte(0x73);
+ a_Pkt.WriteFloat(static_cast<float>(Minecart.LastDamage() + 10)); // Damage taken / shake effect multiplyer
- if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpNone)
+ if (Minecart.GetPayload() == cMinecart::mpNone)
{
- cRideableMinecart & RideableMinecart = ((cRideableMinecart &)a_Entity);
+ auto & RideableMinecart = reinterpret_cast<const cRideableMinecart &>(Minecart);
const cItem & MinecartContent = RideableMinecart.GetContent();
if (!MinecartContent.IsEmpty())
{
- WriteByte(0x54);
+ a_Pkt.WriteByte(0x54);
int Content = MinecartContent.m_ItemType;
Content |= MinecartContent.m_ItemDamage << 8;
- WriteInt(Content);
- WriteByte(0x55);
- WriteInt(RideableMinecart.GetBlockHeight());
- WriteByte(0x56);
- WriteByte(1);
+ a_Pkt.WriteInt(Content);
+ a_Pkt.WriteByte(0x55);
+ a_Pkt.WriteInt(RideableMinecart.GetBlockHeight());
+ a_Pkt.WriteByte(0x56);
+ a_Pkt.WriteByte(1);
}
}
- else if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpFurnace)
+ else if (Minecart.GetPayload() == cMinecart::mpFurnace)
{
- WriteByte(0x10);
- WriteByte(((const cMinecartWithFurnace &)a_Entity).IsFueled() ? 1 : 0);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cMinecartWithFurnace &>(Minecart).IsFueled() ? 1 : 0);
}
break;
- }
+ } // case etMinecart
+
case cEntity::etProjectile:
{
- cProjectileEntity & Projectile = (cProjectileEntity &)a_Entity;
+ auto & Projectile = reinterpret_cast<const cProjectileEntity &>(a_Entity);
switch (Projectile.GetProjectileKind())
{
case cProjectileEntity::pkArrow:
{
- WriteByte(0x10);
- WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(reinterpret_cast<const cArrowEntity &>(Projectile).IsCritical() ? 1 : 0);
break;
}
case cProjectileEntity::pkFirework:
{
- WriteByte(0xA8);
- WriteItem(((const cFireworkEntity &)a_Entity).GetItem());
+ a_Pkt.WriteByte(0xa8);
+ WriteItem(a_Pkt, reinterpret_cast<const cFireworkEntity &>(Projectile).GetItem());
+ break;
+ }
+ default:
+ {
break;
}
- default: break;
}
break;
- }
+ } // case etProjectile
+
case cEntity::etMonster:
{
- WriteMobMetadata((const cMonster &)a_Entity);
+ WriteMobMetadata(a_Pkt, reinterpret_cast<const cMonster &>(a_Entity));
break;
}
+
case cEntity::etItemFrame:
{
- cItemFrame & Frame = (cItemFrame &)a_Entity;
- WriteByte(0xA8);
- WriteItem(Frame.GetItem());
- WriteByte(0x09);
- WriteByte(Frame.GetItemRotation());
+ auto & Frame = reinterpret_cast<const cItemFrame &>(a_Entity);
+ a_Pkt.WriteByte(0xa8);
+ WriteItem(a_Pkt, Frame.GetItem());
+ a_Pkt.WriteByte(0x09);
+ a_Pkt.WriteByte(Frame.GetItemRotation());
+ break;
+ } // case etItemFrame
+
+ default:
+ {
break;
}
- default: break;
}
}
@@ -3175,192 +3144,205 @@ void cProtocol180::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
-void cProtocol180::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
+void cProtocol180::WriteMobMetadata(cPacketizer & a_Pkt, 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);
+ auto & Bat = reinterpret_cast<const cBat &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(Bat.IsHanging() ? 1 : 0);
break;
- }
+ } // case mtBat
- case mtPig:
- {
- WriteByte(0x10);
- WriteByte(((const cPig &)a_Mob).IsSaddled() ? 1 : 0);
- break;
- }
-
- case mtVillager:
+ case mtCreeper:
{
- WriteByte(0x50);
- WriteInt(((const cVillager &)a_Mob).GetVilType());
+ auto & Creeper = reinterpret_cast<const cCreeper &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(Creeper.IsBlowing() ? 1 : -1);
+ a_Pkt.WriteByte(0x11);
+ a_Pkt.WriteByte(Creeper.IsCharged() ? 1 : 0);
break;
- }
+ } // case mtCreeper
- case mtZombie:
+ case mtEnderman:
{
- 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);
+ auto & Enderman = reinterpret_cast<const cEnderman &>(a_Mob);
+ a_Pkt.WriteByte(0x30);
+ a_Pkt.WriteShort(static_cast<Byte>(Enderman.GetCarriedBlock()));
+ a_Pkt.WriteByte(0x11);
+ a_Pkt.WriteByte(static_cast<Byte>(Enderman.GetCarriedMeta()));
+ a_Pkt.WriteByte(0x12);
+ a_Pkt.WriteByte(Enderman.IsScreaming() ? 1 : 0);
break;
- }
+ } // case mtEnderman
case mtGhast:
{
- WriteByte(0x10);
- WriteByte(((const cGhast &)a_Mob).IsCharging());
+ auto & Ghast = reinterpret_cast<const cGhast &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(Ghast.IsCharging());
break;
- }
+ } // case mtGhast
- case mtWolf:
+ case mtHorse:
{
- const cWolf & Wolf = (const cWolf &)a_Mob;
- Byte WolfStatus = 0;
- if (Wolf.IsSitting())
+ auto & Horse = reinterpret_cast<const cHorse &>(a_Mob);
+ int Flags = 0;
+ if (Horse.IsTame())
{
- WolfStatus |= 0x1;
+ Flags |= 0x02;
}
- if (Wolf.IsAngry())
+ if (Horse.IsSaddled())
{
- WolfStatus |= 0x2;
+ Flags |= 0x04;
}
- if (Wolf.IsTame())
+ if (Horse.IsChested())
{
- WolfStatus |= 0x4;
+ Flags |= 0x08;
}
- WriteByte(0x10);
- WriteByte(WolfStatus);
-
- WriteByte(0x72);
- WriteFloat((float)(a_Mob.GetHealth()));
- WriteByte(0x13);
- WriteByte(Wolf.IsBegging() ? 1 : 0);
- WriteByte(0x14);
- WriteByte(Wolf.GetCollarColor());
+ if (Horse.IsBaby())
+ {
+ Flags |= 0x10;
+ }
+ if (Horse.IsEating())
+ {
+ Flags |= 0x20;
+ }
+ if (Horse.IsRearing())
+ {
+ Flags |= 0x40;
+ }
+ if (Horse.IsMthOpen())
+ {
+ Flags |= 0x80;
+ }
+ a_Pkt.WriteByte(0x50); // Int at index 16
+ a_Pkt.WriteInt(Flags);
+ a_Pkt.WriteByte(0x13); // Byte at index 19
+ a_Pkt.WriteByte(Horse.GetHorseType());
+ a_Pkt.WriteByte(0x54); // Int at index 20
+ int Appearance = 0;
+ Appearance = Horse.GetHorseColor();
+ Appearance |= Horse.GetHorseStyle() << 8;
+ a_Pkt.WriteInt(Appearance);
+ a_Pkt.WriteByte(0x56); // Int at index 22
+ a_Pkt.WriteInt(Horse.GetHorseArmour());
break;
- }
+ } // case mtHorse
+
+ case mtMagmaCube:
+ {
+ auto & MagmaCube = reinterpret_cast<const cMagmaCube &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(MagmaCube.GetSize());
+ break;
+ } // case mtMagmaCube
+
+ case mtPig:
+ {
+ auto & Pig = reinterpret_cast<const cPig &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(Pig.IsSaddled() ? 1 : 0);
+ break;
+ } // case mtPig
case mtSheep:
{
- WriteByte(0x10);
+ auto & Sheep = reinterpret_cast<const cSheep &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
Byte SheepMetadata = 0;
- SheepMetadata = ((const cSheep &)a_Mob).GetFurColor();
- if (((const cSheep &)a_Mob).IsSheared())
+ SheepMetadata = Sheep.GetFurColor();
+ if (Sheep.IsSheared())
{
SheepMetadata |= 0x10;
}
- WriteByte(SheepMetadata);
+ a_Pkt.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 mtSheep
case mtSkeleton:
{
- WriteByte(0x0d);
- WriteByte(((const cSkeleton &)a_Mob).IsWither() ? 1 : 0);
+ auto & Skeleton = reinterpret_cast<const cSkeleton &>(a_Mob);
+ a_Pkt.WriteByte(0x0d);
+ a_Pkt.WriteByte(Skeleton.IsWither() ? 1 : 0);
break;
- }
+ } // case mtSkeleton
- case mtWitch:
+ case mtSlime:
{
- WriteByte(0x15);
- WriteByte(((const cWitch &)a_Mob).IsAngry() ? 1 : 0);
+ auto & Slime = reinterpret_cast<const cSlime &>(a_Mob);
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(Slime.GetSize());
break;
- }
+ } // case mtSlime
- case mtWither:
+ case mtVillager:
{
- WriteByte(0x54); // Int at index 20
- WriteInt(((const cWither &)a_Mob).GetWitherInvulnerableTicks());
- WriteByte(0x66); // Float at index 6
- WriteFloat((float)(a_Mob.GetHealth()));
+ auto & Villager = reinterpret_cast<const cVillager &>(a_Mob);
+ a_Pkt.WriteByte(0x50);
+ a_Pkt.WriteInt(Villager.GetVilType());
break;
- }
+ } // case mtVillager
- case mtSlime:
+ case mtWitch:
{
- WriteByte(0x10);
- WriteByte(((const cSlime &)a_Mob).GetSize());
+ auto & Witch = reinterpret_cast<const cWitch &>(a_Mob);
+ a_Pkt.WriteByte(0x15);
+ a_Pkt.WriteByte(Witch.IsAngry() ? 1 : 0);
break;
- }
-
- case mtMagmaCube:
+ } // case mtWitch
+
+ case mtWither:
{
- WriteByte(0x10);
- WriteByte(((const cMagmaCube &)a_Mob).GetSize());
+ auto & Wither = reinterpret_cast<const cWither &>(a_Mob);
+ a_Pkt.WriteByte(0x54); // Int at index 20
+ a_Pkt.WriteInt(Wither.GetWitherInvulnerableTicks());
+ a_Pkt.WriteByte(0x66); // Float at index 6
+ a_Pkt.WriteFloat(static_cast<float>(a_Mob.GetHealth()));
break;
- }
+ } // case mtWither
- case mtHorse:
+ case mtWolf:
{
- 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())
+ auto & Wolf = reinterpret_cast<const cWolf &>(a_Mob);
+ Byte WolfStatus = 0;
+ if (Wolf.IsSitting())
{
- Flags |= 0x20;
+ WolfStatus |= 0x1;
}
- if (Horse.IsRearing())
+ if (Wolf.IsAngry())
{
- Flags |= 0x40;
+ WolfStatus |= 0x2;
}
- if (Horse.IsMthOpen())
+ if (Wolf.IsTame())
{
- Flags |= 0x80;
+ WolfStatus |= 0x4;
}
- 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());
+ a_Pkt.WriteByte(0x10);
+ a_Pkt.WriteByte(WolfStatus);
+
+ a_Pkt.WriteByte(0x72);
+ a_Pkt.WriteFloat(static_cast<float>(a_Mob.GetHealth()));
+ a_Pkt.WriteByte(0x13);
+ a_Pkt.WriteByte(Wolf.IsBegging() ? 1 : 0);
+ a_Pkt.WriteByte(0x14);
+ a_Pkt.WriteByte(Wolf.GetCollarColor());
break;
- }
+ } // case mtWolf
+
+ case mtZombie:
+ {
+ auto & Zombie = reinterpret_cast<const cZombie &>(a_Mob);
+ a_Pkt.WriteByte(0x0c);
+ a_Pkt.WriteByte(Zombie.IsBaby() ? 1 : 0);
+ a_Pkt.WriteByte(0x0d);
+ a_Pkt.WriteByte(Zombie.IsVillagerZombie() ? 1 : 0);
+ a_Pkt.WriteByte(0x0e);
+ a_Pkt.WriteByte(Zombie.IsConverting() ? 1 : 0);
+ break;
+ } // case mtZombie
} // switch (a_Mob.GetType())
}
@@ -3368,12 +3350,12 @@ void cProtocol180::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
-void cProtocol180::cPacketizer::WriteEntityProperties(const cEntity & a_Entity)
+void cProtocol180::WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity)
{
if (!a_Entity.IsMob())
{
// No properties for anything else than mobs
- WriteInt(0);
+ a_Pkt.WriteInt(0);
return;
}
@@ -3381,7 +3363,7 @@ void cProtocol180::cPacketizer::WriteEntityProperties(const cEntity & a_Entity)
// TODO: Send properties and modifiers based on the mob type
- WriteInt(0); // NumProperties
+ a_Pkt.WriteInt(0); // NumProperties
}
diff --git a/src/Protocol/Protocol18x.h b/src/Protocol/Protocol18x.h
index 7ba3a92fe..9aa5ed827 100644
--- a/src/Protocol/Protocol18x.h
+++ b/src/Protocol/Protocol18x.h
@@ -150,101 +150,6 @@ public:
protected:
- /** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */
- class cPacketizer
- {
- public:
- cPacketizer(cProtocol180 & a_Protocol, UInt32 a_PacketType) :
- m_Protocol(a_Protocol),
- m_Out(a_Protocol.m_OutPacketBuffer),
- m_Lock(a_Protocol.m_CSPacket)
- {
- m_Out.WriteVarInt(a_PacketType);
- }
-
- ~cPacketizer();
-
- void WriteBool(bool a_Value)
- {
- m_Out.WriteBool(a_Value);
- }
-
- void WriteByte(UInt8 a_Value)
- {
- m_Out.WriteBEUInt8(a_Value);
- }
-
- void WriteChar(Int8 a_Value)
- {
- m_Out.WriteBEInt8(a_Value);
- }
-
- void WriteShort(Int16 a_Value)
- {
- m_Out.WriteBEInt16(a_Value);
- }
-
- void WriteInt(Int32 a_Value)
- {
- m_Out.WriteBEInt32(a_Value);
- }
-
- void WriteUInt32(UInt32 a_Value)
- {
- m_Out.WriteBEUInt32(a_Value);
- }
-
- void WriteInt64(Int64 a_Value)
- {
- m_Out.WriteBEInt64(a_Value);
- }
-
- void WriteFloat(float a_Value)
- {
- m_Out.WriteBEFloat(a_Value);
- }
-
- void WriteDouble(double a_Value)
- {
- m_Out.WriteBEDouble(a_Value);
- }
-
- void WriteVarInt(UInt32 a_Value)
- {
- m_Out.WriteVarInt(a_Value);
- }
-
- void WriteString(const AString & a_Value)
- {
- m_Out.WriteVarUTF8String(a_Value);
- }
-
- void WritePosition(int a_BlockX, int a_BlockY, int a_BlockZ)
- {
- m_Out.WritePosition(a_BlockX, a_BlockY, a_BlockZ);
- }
-
- void WriteUUID(const AString & a_UUID);
-
- void WriteBuf(const char * a_Data, size_t a_Size)
- {
- m_Out.Write(a_Data, a_Size);
- }
-
- void WriteItem(const cItem & a_Item);
- void WriteByteAngle(double a_Angle); // Writes the specified angle using a single byte
- void WriteFPInt(double a_Value); // Writes the double value as a 27:5 fixed-point integer
- void WriteEntityMetadata(const cEntity & a_Entity); // Writes the metadata for the specified entity, not including the terminating 0x7f
- void WriteMobMetadata(const cMonster & a_Mob); // Writes the mob-specific metadata for the specified mob
- void WriteEntityProperties(const cEntity & a_Entity); // Writes the entity properties for the specified entity, including the Count field
- void WriteBlockEntity(const cBlockEntity & a_BlockEntity);
-
- protected:
- cProtocol180 & m_Protocol;
- cByteBuffer & m_Out;
- cCSLock m_Lock;
- } ;
-
AString m_ServerAddress;
UInt16 m_ServerPort;
@@ -257,12 +162,6 @@ protected:
/** Buffer for the received data */
cByteBuffer m_ReceivedData;
- /** Buffer for composing the outgoing packets, through cPacketizer */
- cByteBuffer m_OutPacketBuffer;
-
- /** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */
- cByteBuffer m_OutPacketLenBuffer;
-
bool m_IsEncrypted;
cAesCfb128Decryptor m_Decryptor;
@@ -325,6 +224,9 @@ protected:
/** Sends the data to the client, encrypting them if needed. */
virtual void SendData(const char * a_Data, size_t a_Size) override;
+ /** Sends the packet to the client. Called by the cPacketizer's destructor. */
+ virtual void SendPacket(cPacketizer & a_Packet) override;
+
void SendCompass(const cWorld & a_World);
/** Reads an item out of the received data, sets a_Item to the values read.
@@ -340,6 +242,21 @@ protected:
/** Converts the BlockFace received by the protocol into eBlockFace constants.
If the received value doesn't match any of our eBlockFace constants, BLOCK_FACE_NONE is returned. */
eBlockFace FaceIntToBlockFace(Int8 a_FaceInt);
+
+ /** Writes the item data into a packet. */
+ void WriteItem(cPacketizer & a_Pkt, const cItem & a_Item);
+
+ /** Writes the metadata for the specified entity, not including the terminating 0x7f. */
+ void WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity);
+
+ /** Writes the mob-specific metadata for the specified mob */
+ void WriteMobMetadata(cPacketizer & a_Pkt, const cMonster & a_Mob);
+
+ /** Writes the entity properties for the specified entity, including the Count field. */
+ void WriteEntityProperties(cPacketizer & a_Pkt, const cEntity & a_Entity);
+
+ /** Writes the block entity data for the specified block entity into the packet. */
+ void WriteBlockEntity(cPacketizer & a_Pkt, const cBlockEntity & a_BlockEntity);
} ;
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index 8d0f8148d..36f8bc791 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -982,3 +982,15 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema
+void cProtocolRecognizer::SendPacket(cPacketizer & a_Pkt)
+{
+ // This function should never be called - it needs to exists so that cProtocolRecognizer can be instantiated,
+ // but the actual sending is done by the internal m_Protocol itself.
+ LOGWARNING("%s: This function shouldn't ever be called.", __FUNCTION__);
+ ASSERT(!"Function not to be called");
+}
+
+
+
+
+
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 165dc0c0c..d46d31cb1 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -136,9 +136,12 @@ protected:
/** Tries to recognize a protocol in the lengthed family (1.7+), based on m_Buffer; returns true if recognized.
The packet length and type have already been read, type is 0
- The number of bytes remaining in the packet is passed as a_PacketLengthRemaining
- **/
+ The number of bytes remaining in the packet is passed as a_PacketLengthRemaining. **/
bool TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining);
+
+ /** Sends a single packet contained within the cPacketizer class.
+ The cPacketizer's destructor calls this to send the contained packet; protocol may transform the data (compression in 1.8 etc). */
+ virtual void SendPacket(cPacketizer & a_Pkt) override;
} ;