#include <Windows.h>

BOOL DataCompare( BYTE pData, BYTE bMask, char * szMask )
{
for( ; *szMask; ++szMask, ++pData, ++bMask )
  if( szMask == 'x' && pData != *bMask )
   return FALSE;

return ( *szMask == NULL );
}

DWORD FindPattern( DWORD dwAddress, DWORD dwLen, BYTE bMask, char  szMask )
{
for( DWORD i = 0; i < dwLen; i++ )
  if( DataCompare( (BYTE*)( dwAddress + i ), bMask, szMask ) )
   return (DWORD)( dwAddress + i );

return 0;
}

DWORD MainThread( LPVOID lpArgs )
{
HMODULE hClient = GetModuleHandleA( "client.dll" );
while(hClient == NULL) { hClient = GetModuleHandleA( "client.dll" ); }

DWORD dwDrawOnRadar = FindPattern((DWORD)hClient, 0x005E5000, (BYTE*)"\xA1\x00\x00\x00\x00\x85\xC0\x74\x06\x05", "x????xxxxx") + 1;
dwDrawOnRadar = *(DWORD*)dwDrawOnRadar;

while(1)
{
  // Loop through all indexes in the array
  for(int i = 0;i < 0x4F;i++) // at 0x50 seems to be start of clan name
  {
   // Short explanation, in the code we reversed,
   // ESI is dwDrawOnRadar (pointer)
   // EDI is i (player index)
   BYTE* pDrawOnRadar = (BYTE*)((*(DWORD*)dwDrawOnRadar) + 0xD1D + i);
   
   // 1 = draw on radar
   *pDrawOnRadar = 1;
  }

}

return 0;
}

BOOL APIENTRY DllMain(HMODULE hModule, DWORD dwReason, LPVOID lpReserved)
{
if(dwReason == DLL_PROCESS_ATTACH)
{
  DWORD dwThreadID = 0;
  HANDLE hThread = CreateThread( NULL, NULL, (LPTHREAD_START_ROUTINE)MainThread, NULL, NULL, &dwThreadID );
}

return TRUE;
}