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Committed MattKing's code to generate a random number in a CALC measure.

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RANDOM Function:
Returns a random number between "LowBound" and "HighBound" defined in the measure.

Sample usage:
							[MeasureCalc]
Measure=Calc
Formula=(Random)
LowBound=5
HighBound=100
This commit is contained in:
jsmorley 2009-08-31 17:47:09 +00:00
parent de48407138
commit c4f95ca973
2 changed files with 36 additions and 0 deletions
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29
Library/MeasureCalc.cpp
View File

@ -20,10 +20,19 @@
#include "MeasureCalc.h"
#include "Rainmeter.h"
#include <cstdlib>
#include <ctime>
hqStrMap* CMeasureCalc::c_VarMap = NULL;
int CMeasureCalc::m_Loop = 0;
//======================================
//MattKing Code Edit :: Start
double CMeasureCalc::m_Random = 0;
double CMeasureCalc::m_LowBound = 0;
double CMeasureCalc::m_HighBound = 0;
//MattKing Code Edit :: End
/*
** CMeasureCalc
**
@ -33,6 +42,12 @@ int CMeasureCalc::m_Loop = 0;
CMeasureCalc::CMeasureCalc(CMeterWindow* meterWindow) : CMeasure(meterWindow)
{
m_Parser = MathParser_Create(NULL);
//======================================
//MattKing Code Edit :: Start
srand((unsigned)time(0));
//MattKing Code Edit :: End
}
/*
@ -99,6 +114,7 @@ void CMeasureCalc::UpdateVariableMap(CMeterWindow& meterWindow)
// Add the counter
double counter = meterWindow.GetUpdateCounter();
StrMap_AddString(c_VarMap, "Counter", &counter);
StrMap_AddString(c_VarMap, "Random", &m_Random);
}
/*
@ -112,4 +128,17 @@ void CMeasureCalc::ReadConfig(CConfigParser& parser, const WCHAR* section)
CMeasure::ReadConfig(parser, section);
m_Formula = parser.ReadString(section, L"Formula", L"");
//MattKing Code Edit :: Start
m_LowBound = parser.ReadFloat(section, L"LowBound", 95);
m_HighBound = parser.ReadFloat(section, L"HighBound", 400);
int range = (m_HighBound - m_LowBound);
m_Random = m_LowBound + int(range * rand()/(RAND_MAX + 1.0));
m_Random = m_LowBound + int(range * rand()/(RAND_MAX + 1.0));
// For some reason I need two calls to really randomize the number
// I don't have a fix as I dont know much about random numbers
//MattKing Code Edit :: End
}

7
Library/MeasureCalc.h
View File

@ -39,6 +39,13 @@ private:
static hqStrMap* c_VarMap;
static int m_Loop;
//======================================
//MattKing Code Edit :: Start
static double m_Random;
static double m_LowBound;
static double m_HighBound;
//MattKing Code Edit :: End
};
#endif