int MeasureCalc::GetRandom()
{
int value = 0;
if (m_LowBound == m_HighBound)
{
value = m_LowBound;
}
else if (m_UniqueRandom)
{
if (m_UniqueNumbers.empty())
{
UpdateUniqueNumberList();
}
value = m_UniqueNumbers.back();
m_UniqueNumbers.pop_back();
}
else
{
std::uniform_int_distribution<int>::param_type params(m_LowBound, m_HighBound);
m_Distrubtion.param(params);
m_Distrubtion.reset();
value = m_Distrubtion(m_Engine);
}
return value;
}
/*
** Read the options specified in the ini file.
**
*/
void MeasureCalc::ReadOptions(ConfigParser& parser, const WCHAR* section)
{
Measure::ReadOptions(parser, section);
// Store the current values so we know if the value needs to be updated
int oldLowBound = m_LowBound;
int oldHighBound = m_HighBound;
bool oldUpdateRandom = m_UpdateRandom;
bool oldUniqueRandom = m_UniqueRandom;
std::wstring oldFormula = m_Formula;
m_Formula = parser.ReadString(section, L"Formula", L"");
m_LowBound = parser.ReadInt(section, L"LowBound", DEFAULT_LOWER_BOUND);
m_HighBound = parser.ReadInt(section, L"HighBound", DEFAULT_UPPER_BOUND);
m_UpdateRandom = parser.ReadBool(section, L"UpdateRandom", false);
m_UniqueRandom = parser.ReadBool(section, L"UniqueRandom", false);
if (!m_UniqueRandom)
{
m_UniqueNumbers.clear();
}
if (!m_Initialized ||
wcscmp(m_Formula.c_str(), oldFormula.c_str()) != 0 ||
oldLowBound != m_LowBound ||
oldHighBound != m_HighBound ||
oldUpdateRandom != m_UpdateRandom ||
oldUniqueRandom != m_UniqueRandom)
{
// Reset bounds if |m_LowBound| is greater than |m_HighBound|
if (m_LowBound > m_HighBound)
{
LogErrorF(this, L"\"LowBound\" (%i) must be less then or equal to \"HighBound\" (%i)", m_LowBound, m_HighBound);
m_HighBound = m_LowBound;
}
// Reset the list if the bounds are changed
if (m_UniqueRandom && (
oldLowBound != m_LowBound ||
oldHighBound != m_HighBound))
{
UpdateUniqueNumberList();
}
if (!m_UpdateRandom)
{
FormulaReplace();
}
const WCHAR* errMsg = MathParser::Check(m_Formula.c_str());
if (errMsg != nullptr)
{
LogErrorF(this, L"Calc: %s", errMsg);
m_Formula.clear();
}
}
}
int MeasureCalc::GetRandom()
{
if (m_LowBound == m_HighBound || m_LowBound > m_HighBound)
{
return m_LowBound;
}
else if (m_UniqueRandom)
{
if (m_UniqueNumbers.empty())
{
UpdateUniqueNumberList();
}
const int value = m_UniqueNumbers.back();
m_UniqueNumbers.pop_back();
return value;
}
else
{
const std::uniform_int_distribution<int> distribution(m_LowBound, m_HighBound);
return distribution(GetRandomEngine());
}
}
