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feat(Core/Packets): Port packet handling from TrinityCore (#5617)

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* feat(Core/Packets): Port packet handling from TrinityCore

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* 1

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* #3670

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* 1

* codestyle

* fix msvc warnings
This commit is contained in:
Kargatum
2021-05-22 05:10:46 +07:00
committed by GitHub
parent 537ebe87aa
commit 63a273507c
29 changed files with 2768 additions and 1868 deletions
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2769
src/server/game/Server/Protocol/Opcodes.cpp
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97
src/server/game/Server/Protocol/Opcodes.h
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@@ -1,7 +1,6 @@
/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
* Copyright (C) 2021+ WarheadCore <https://github.com/WarheadCore>
*/
/// \addtogroup u2w
@@ -11,12 +10,12 @@
#ifndef _OPCODES_H
#define _OPCODES_H
#include "Common.h"
#include "Define.h"
#include <string>
/// List of Opcodes
enum Opcodes
enum Opcodes : uint16
{
MSG_NULL_ACTION = 0x000,
CMSG_BOOTME = 0x001,
CMSG_DBLOOKUP = 0x002,
SMSG_DBLOOKUP = 0x003,
@@ -1330,6 +1329,15 @@ enum Opcodes
NUM_MSG_TYPES = 0x51F
};
enum OpcodeMisc : uint16
{
NUM_OPCODE_HANDLERS = NUM_MSG_TYPES,
NULL_OPCODE = 0x0000
};
typedef Opcodes OpcodeClient;
typedef Opcodes OpcodeServer;
/// Player state
enum SessionStatus
{
@@ -1350,34 +1358,63 @@ enum PacketProcessing
class WorldSession;
class WorldPacket;
#if defined(__GNUC__)
#pragma pack(1)
#else
#pragma pack(push, 1)
#endif
struct OpcodeHandler
class OpcodeHandler
{
char const* name;
SessionStatus status;
PacketProcessing packetProcessing;
void (WorldSession::*handler)(WorldPacket& recvPacket);
public:
OpcodeHandler(char const* name, SessionStatus status) : Name(name), Status(status) { }
virtual ~OpcodeHandler() { }
char const* Name;
SessionStatus Status;
};
extern OpcodeHandler opcodeTable[NUM_MSG_TYPES];
class ClientOpcodeHandler : public OpcodeHandler
{
public:
ClientOpcodeHandler(char const* name, SessionStatus status, PacketProcessing processing)
: OpcodeHandler(name, status), ProcessingPlace(processing) { }
#if defined(__GNUC__)
#pragma pack()
#else
#pragma pack(pop)
#endif
virtual void Call(WorldSession* session, WorldPacket& packet) const = 0;
PacketProcessing ProcessingPlace;
};
class ServerOpcodeHandler : public OpcodeHandler
{
public:
ServerOpcodeHandler(char const* name, SessionStatus status)
: OpcodeHandler(name, status) { }
};
class OpcodeTable
{
public:
OpcodeTable();
OpcodeTable(OpcodeTable const&) = delete;
OpcodeTable& operator=(OpcodeTable const&) = delete;
~OpcodeTable();
void Initialize();
ClientOpcodeHandler const* operator[](Opcodes index) const
{
return _internalTableClient[index];
}
private:
template<typename Handler, Handler HandlerFunction>
void ValidateAndSetClientOpcode(OpcodeClient opcode, char const* name, SessionStatus status, PacketProcessing processing);
void ValidateAndSetServerOpcode(OpcodeServer opcode, char const* name, SessionStatus status);
ClientOpcodeHandler* _internalTableClient[NUM_OPCODE_HANDLERS];
};
extern OpcodeTable opcodeTable;
/// Lookup opcode name for human understandable logging
inline const char* LookupOpcodeName(uint16 id)
{
if (id >= NUM_MSG_TYPES)
return "Received unknown opcode, it's more than max!";
return opcodeTable[id].name;
}
std::string GetOpcodeNameForLogging(Opcodes opcode);
#endif
/// @}