if ( !*((_DWORD *)World + 684) )
    {
      v23 = dword_16954F8;
      v45 = &VehicleInitMessage::`vftable';
      if ( dword_16954F8 )
        _InterlockedExchangeAdd((volatile signed __int32 *)dword_16954F8, 1u);
      *(_QWORD *)v46 = (unsigned int)v23;
      sub_237B30(v46);
      *(_DWORD *)&v46[8] = 0;
      sub_320EF0(v8);
      sub_4F0180(&v44);
      sub_93AFA0(&v44);
      if ( v44 && !_InterlockedDecrement(v44) )
      {
        sub_156110(v37);
        v36 = (void *)v44;
        (*(void (__stdcall **)(volatile signed __int32 *))(*(_DWORD *)off_15EF104 + 12))(v44);
      }
      v24 = a4;
      v25 = *(volatile signed __int32 **)&v46[8];
      if ( a4 )
        _InterlockedExchangeAdd(a4, 1u);
      *(_DWORD *)&v46[8] = v24;
      if ( v25 && !_InterlockedDecrement(v25) )
      {
        v36 = (void *)v25;
        (*(void (__stdcall **)(volatile signed __int32 *))(*(_DWORD *)off_15EF104 + 12))(v25);
      }
      v26 = sub_5157C0(v37);
      v36 = &v45;
      (*(void (__thiscall **)(int, int *))(*(_DWORD *)v26 + 844))(v26, &v45);
      sub_5537F0(&v45);
    }