int __usercall GetWeaponID@<eax>(const char *a1@<esi>)
{
  int v1; // ecx@2
  int v2; // edx@2
  int v3; // eax@3
  int v4; // eax@4
  int v5; // eax@5
  int result; // eax@7

  if ( engine )
  {
    v3 = (*(int (**)(void))(*(_DWORD *)engine + 48))();
    v1 = entitylist;
    if ( entitylist )
    {
      v5 = (*(int (__stdcall **)(int))(*(_DWORD *)entitylist + 12))(v3);
      v4 = (*(int (__thiscall **)(int))(*(_DWORD *)v5 + 28))(v5);
      v1 = entitylist;
    }
    else
    {
      v4 = 0;
    }
    v2 = v4;
  }
  else
  {
    v1 = entitylist;
    v2 = 0;
  }
  result = (*(int (__stdcall **)(_DWORD))(*(_DWORD *)v1 + 16))(*(_DWORD *)(v2 + 3440));
  if ( result )
  {
    if ( strstr(a1, "_knife_t.mdl") || strstr(a1, "_knife_ct.mdl") )
    {
      result = 25;
    }
    else if ( strstr(a1, "_pist_deagle.mdl") )
    {
      result = 4;
    }
    else if ( strstr(a1, "_pist_elite.mdl") )
    {
      result = 5;
    }
    else if ( strstr(a1, "_pist_fiveseven.mdl") )
    {
      result = 7;
    }
    else if ( strstr(a1, "_pist_glock18.mdl") )
    {
      result = 10;
    }
    else if ( strstr(a1, "_pist_p228.mdl") )
    {
      result = 16;
    }
    else if ( strstr(a1, "_pist_usp.mdl") )
    {
      result = 23;
    }
    else if ( strstr(a1, "_rif_ak47.mdl") )
    {
      result = 1;
    }
    else if ( strstr(a1, "_rif_aug.mdl") )
    {
      result = 2;
    }
    else if ( strstr(a1, "_rif_m4a1.mdl") )
    {
      result = 13;
    }
    else if ( strstr(a1, "_rif_famas.mdl") )
    {
      result = 6;
    }
    else if ( strstr(a1, "_rif_galil.mdl") )
    {
      result = 9;
    }
    else if ( strstr(a1, "_rif_sg552.mdl") )
    {
      result = 20;
    }
    else if ( strstr(a1, "_mach_m249para.mdl") )
    {
      result = 11;
    }
    else if ( strstr(a1, "_smg_tmp.mdl") )
    {
      result = 21;
    }
    else if ( strstr(a1, "_smg_mac10.mdl") )
    {
      result = 14;
    }
    else if ( strstr(a1, "_smg_p90.mdl") )
    {
      result = 17;
    }
    else if ( strstr(a1, "_smg_ump45.mdl") )
    {
      result = 22;
    }
    else if ( strstr(a1, "_smg_mp5.mdl") )
    {
      result = 15;
    }
    else if ( strstr(a1, "_snip_g3sg1.mdl") )
    {
      result = 8;
    }
    else if ( strstr(a1, "_snip_scout.mdl") )
    {
      result = 18;
    }
    else if ( strstr(a1, "_snip_sg550.mdl") )
    {
      result = 19;
    }
    else if ( strstr(a1, "_snip_awp.mdl") )
    {
      result = 3;
    }
    else if ( strstr(a1, "_shot_xm1014.mdl") )
    {
      result = 24;
    }
    else if ( strstr(a1, "_shot_m3super90.mdl") )
    {
      result = 12;
    }
    else if ( strstr(a1, "_eq_flashbang.mdl") )
    {
      result = 26;
    }
    else if ( strstr(a1, "_eq_fraggrenade.mdl") )
    {
      result = 27;
    }
    else if ( strstr(a1, "_eq_smokegrenade.mdl") )
    {
      result = 28;
    }
    else
    {
      result = strstr(a1, "_c4.mdl") != 0 ? 0x1D : 0;
    }
  }
  return result;
}