CDirectorItemManager::CalculateScavengeWalkableArea

/* CDirectorItemManager::CalculateScavengeWalkableArea() const */

longdouble CDirectorItemManager::CalculateScavengeWalkableArea(void)

{
  int iVar1;
  int *piVar2;
  float fVar3;
  
  fVar3 = 0.0;
  if (0 < DAT_00fe6000) {
    fVar3 = 0.0;
    piVar2 = TheNavAreas;
    do {
      iVar1 = *piVar2;
      if ((0.0 < *(float *)(iVar1 + 0x154) || *(float *)(iVar1 + 0x154) == 0.0) &&
         ((*(byte *)(iVar1 + 300) & 0x40) == 0)) {
        fVar3 = fVar3 + (*(float *)(iVar1 + 0x14) - *(float *)(iVar1 + 8)) *
                        (*(float *)(iVar1 + 0x10) - *(float *)(iVar1 + 4));
      }
      piVar2 = piVar2 + 1;
    } while (piVar2 != TheNavAreas + DAT_00fe6000);
    fVar3 = fVar3 * 7.716049e-08;
  }
  return (longdouble)fVar3;
}