IVision::IsInFieldOfView

/* IVision::IsInFieldOfView(Vector const&) const */

bool __thiscall IVision::IsInFieldOfView(IVision *this,Vector *param_1)

{
  float fVar1;
  int *piVar2;
  bool bVar3;
  float *pfVar4;
  float *pfVar5;
  float fVar6;
  float fVar7;
  float fVar8;
  float fVar9;
  
  piVar2 = *(int **)(this + 0x14);
  if (piVar2 == (int *)0x0) {
    return true;
  }
  fVar1 = *(float *)(this + 0x28);
  pfVar4 = (float *)(**(code **)(*piVar2 + 0xbc))(piVar2);
  pfVar5 = (float *)(**(code **)(**(int **)(this + 0x14) + 0xb8))(*(int **)(this + 0x14));
  fVar8 = *(float *)param_1 - *pfVar5;
  fVar9 = *(float *)(param_1 + 4) - pfVar5[1];
  fVar7 = *(float *)(param_1 + 8) - pfVar5[2];
  fVar6 = pfVar4[1] * fVar9 + *pfVar4 * fVar8 + pfVar4[2] * fVar7;
  if (fVar1 <= 0.0) {
    if (0.0 < fVar6) {
      return true;
    }
    bVar3 = fVar6 * fVar6 <= fVar1 * fVar1 * (fVar9 * fVar9 + fVar8 * fVar8 + fVar7 * fVar7);
  }
  else {
    bVar3 = false;
    if (0.0 <= fVar6) {
      bVar3 = fVar1 * fVar1 * (fVar9 * fVar9 + fVar8 * fVar8 + fVar7 * fVar7) <= fVar6 * fVar6;
    }
  }
  return bVar3;
}