// 1
BOOL __usercall openMapFile@<eax>(int a1@<eax>)
{
  int v1; // esi
  FILE *v2; // edi
  BOOL result; // eax
  BOOL v4; // esi
  char FileName; // [esp+8h] [ebp-104h]

  v1 = a1;
  SStrCopy(&FileName, mapsFolder, 0x104u);
  SStrNCat(&FileName, (const char *)(v1 + 20), 0x104u);
  strrchr(&FileName, 92);
  SStrCopy(mapFileName, &FileName, 0x104u);
  campaignIndex = 0;
  dword_5994DC = 1;
  if ( !CreateDirectory(mapsFolder) )
    return 0;
  v2 = pfopen(23, &FileName);
  if ( !v2 )
    return 0;
  v4 = _lockwrite(*(const void **)(v1 + 68), *(_DWORD *)(v1 + 12), 1u, v2) == 1;
  if ( fclose(v2) )
  {
    DeleteFileA(&FileName);
    result = 0;
  }
  else
  {
    if ( !v4 )
      DeleteFileA(&FileName);
    result = v4;
  }
  return result;
}