packethooks.h

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#ifndef PACKETHOOKS_H
#define PACKETHOOKS_H

#include <map>
#include <string>
#include <vector>

#include "client.h"
#include "msghandl.h"

template <class T>
class ref_ptr;

namespace Pol
{
namespace Core
{
class BPacket;
class ExportedFunction;
}
namespace Network
{
class PacketHookData
{
public:
  PacketHookData();
  ~PacketHookData();
  size_t estimateSize() const;

  int length;  // if MSGLEN_2BYTELEN_DATA, variable length
  Core::ExportedFunction* function;
  Core::ExportedFunction* outgoing_function;

  PktHandlerFunc default_handler;

  unsigned short sub_command_offset;
  unsigned short sub_command_length;
  PacketVersion version;
  VersionDetailStruct client_ver;
  std::map<u32, PacketHookData*> SubCommands;

  static void initializeGameData( std::vector<std::unique_ptr<PacketHookData>>* data );
};

void load_packet_hooks();
void ExportedPacketHookHandler( Client* client, void* data );
void CallOutgoingPacketExportedFunction( Client* client, const void*& data, int& inlength,
                                         ref_ptr<Core::BPacket>& outpacket, PacketHookData* phd,
                                         bool& handled );
bool GetAndCheckPacketHooked( Client* client, const void*& data, PacketHookData*& phd );
void clean_packethooks();

void SetVersionDetailStruct( const std::string& ver, VersionDetailStruct& detail );
bool CompareVersionDetail( VersionDetailStruct ver1, VersionDetailStruct ver2 );
}
}
#endif