TerrorNavArea::IsCompletelyVisible

/* TerrorNavArea::IsCompletelyVisible(TerrorNavArea const*) const */

ushort __thiscall TerrorNavArea::IsCompletelyVisible(TerrorNavArea *this,TerrorNavArea *param_1)

{
  int iVar1;
  ushort *puVar2;
  short local_e;
  
  if (param_1 != (TerrorNavArea *)0x0) {
    if (param_1 == this) {
      return 1;
    }
    if ((((byte)param_1[0x12d] & 0x10) == 0) ||
       ((*(float *)(param_1 + 0x34) - *(float *)(this + 0x34)) *
        (*(float *)(param_1 + 0x34) - *(float *)(this + 0x34)) +
        (*(float *)(param_1 + 0x2c) - *(float *)(this + 0x2c)) *
        (*(float *)(param_1 + 0x2c) - *(float *)(this + 0x2c)) +
        (*(float *)(param_1 + 0x30) - *(float *)(this + 0x30)) *
        (*(float *)(param_1 + 0x30) - *(float *)(this + 0x30)) <
        *(float *)(NavObscureRange._28_4_ + 0x2c) * *(float *)(NavObscureRange._28_4_ + 0x2c))) {
      if (((uint)param_1 & 3) != 0) {
        Error("Bad nav area pointer");
      }
      local_e = *(short *)(param_1 + 0x90) << 2;
      if (((*(size_t *)(this + 0x13c) != 0) &&
          (puVar2 = bsearch(&local_e,*(void **)(this + 0x134),*(size_t *)(this + 0x13c),2,
                            AreaSortFunc), puVar2 != (ushort *)0x0)) ||
         ((iVar1 = *(int *)(this + 0x130), iVar1 != 0 &&
          ((*(size_t *)(iVar1 + 0x13c) != 0 &&
           (puVar2 = bsearch(&local_e,*(void **)(iVar1 + 0x134),*(size_t *)(iVar1 + 0x13c),2,
                             AreaSortFunc), puVar2 != (ushort *)0x0)))))) {
        return *puVar2 >> 1 & 1;
      }
    }
  }
  return 0;
}