CNavArea::ComputeMinMaxCornerZ

/* CNavArea::ComputeMinMaxCornerZ() */

void __thiscall CNavArea::ComputeMinMaxCornerZ(CNavArea *this)

{
  byte bVar1;
  float fVar2;
  float fVar3;
  float fVar4;
  float fVar5;
  
  fVar3 = *(float *)(this + 0x24);
  fVar4 = *(float *)(this + 0xc);
  bVar1 = (byte)this[0x7c] & 0xf;
  this[0x7c] = (CNavArea)(bVar1 | 0x50);
  if (fVar4 <= fVar3) {
    fVar2 = fVar3;
    if (fVar4 < fVar3) {
      this[0x7c] = (CNavArea)(bVar1 | 0x10);
      fVar3 = fVar4;
    }
  }
  else {
    this[0x7c] = (CNavArea)(bVar1 | 0x40);
    fVar2 = fVar4;
  }
  fVar4 = *(float *)(this + 0x18);
  if (fVar4 <= fVar2) {
    if (fVar4 < fVar3) {
      fVar5 = *(float *)(this + 0x28);
      this[0x7c] = (CNavArea)((byte)this[0x7c] & 0x3f | 0x80);
      if (fVar2 < fVar5) goto LAB_006fa9ff;
      goto LAB_006fa9cc;
    }
  }
  else {
    this[0x7c] = (CNavArea)((byte)this[0x7c] & 0xcf | 0x20);
    fVar2 = fVar4;
  }
  fVar5 = *(float *)(this + 0x28);
  fVar4 = fVar3;
  if (fVar2 < fVar5) {
LAB_006fa9ff:
    this[0x7c] = (CNavArea)((byte)this[0x7c] | 0x30);
    return;
  }
LAB_006fa9cc:
  if (fVar5 < fVar4) {
    this[0x7c] = (CNavArea)((byte)this[0x7c] | 0xc0);
  }
  return;
}