TerrorNavArea::GetPotentiallyVisibleSetSize

/* TerrorNavArea::GetPotentiallyVisibleSetSize(bool) const */

int __thiscall TerrorNavArea::GetPotentiallyVisibleSetSize(TerrorNavArea *this,bool param_1)

{
  ushort *puVar1;
  int iVar2;
  int iVar3;
  ushort *puVar4;
  
  if (*(int *)(this + 0x13c) < 1) {
    iVar3 = 0;
  }
  else {
    puVar4 = *(ushort **)(this + 0x134);
    puVar1 = puVar4 + *(int *)(this + 0x13c);
    iVar3 = 0;
    do {
      iVar3 = (iVar3 + 1) - (uint)((*puVar4 & 3) == 0);
      puVar4 = puVar4 + 1;
    } while (puVar4 != puVar1);
  }
  if (((param_1) && (iVar2 = *(int *)(this + 0x130), iVar2 != 0)) && (0 < *(int *)(iVar2 + 0x13c)))
  {
    puVar4 = *(ushort **)(iVar2 + 0x134);
    puVar1 = puVar4 + *(int *)(iVar2 + 0x13c);
    do {
      iVar3 = (iVar3 + 1) - (uint)((*puVar4 & 3) == 0);
      puVar4 = puVar4 + 1;
    } while (puVar4 != puVar1);
  }
  return iVar3;
}