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c4f95ca973
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
145 lines
3.5 KiB
C++
145 lines
3.5 KiB
C++
/*
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Copyright (C) 2004 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#pragma warning(disable: 4996)
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#include "MeasureCalc.h"
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#include "Rainmeter.h"
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#include <cstdlib>
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#include <ctime>
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hqStrMap* CMeasureCalc::c_VarMap = NULL;
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int CMeasureCalc::m_Loop = 0;
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//======================================
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//MattKing Code Edit :: Start
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double CMeasureCalc::m_Random = 0;
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double CMeasureCalc::m_LowBound = 0;
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double CMeasureCalc::m_HighBound = 0;
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//MattKing Code Edit :: End
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/*
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** CMeasureCalc
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**
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** The constructor
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**
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*/
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CMeasureCalc::CMeasureCalc(CMeterWindow* meterWindow) : CMeasure(meterWindow)
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{
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m_Parser = MathParser_Create(NULL);
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//======================================
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//MattKing Code Edit :: Start
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srand((unsigned)time(0));
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//MattKing Code Edit :: End
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}
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/*
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** ~CMeasureCalc
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**
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** The destructor
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**
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*/
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CMeasureCalc::~CMeasureCalc()
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{
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MathParser_Destroy(m_Parser);
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if (c_VarMap)
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{
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StrMap_Destroy(c_VarMap);
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c_VarMap = NULL;
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}
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}
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/*
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** Update
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**
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** Updates the calculation
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**
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*/
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bool CMeasureCalc::Update()
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{
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if (!CMeasure::PreUpdate()) return false;
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m_Parser->Parameters = c_VarMap;
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char* errMsg = MathParser_Parse(m_Parser, ConvertToAscii(m_Formula.c_str()).c_str(), &m_Value);
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if (errMsg != NULL)
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{
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DebugLog(ConvertToWide(errMsg).c_str());
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}
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return PostUpdate();
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}
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void CMeasureCalc::UpdateVariableMap(CMeterWindow& meterWindow)
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{
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// Delete the old map
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if (c_VarMap)
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{
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StrMap_Destroy(c_VarMap);
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c_VarMap = NULL;
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}
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// Create the variable map
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c_VarMap = Strmap_Create(sizeof(double), 0);
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std::list<CMeasure*>& measures = meterWindow.GetMeasures();
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std::list<CMeasure*>::iterator iter = measures.begin();
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for( ; iter != measures.end(); iter++)
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{
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const char* name = (*iter)->GetANSIName();
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double val = (*iter)->GetValue();
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StrMap_AddString(c_VarMap, name, &val);
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}
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// Add the counter
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double counter = meterWindow.GetUpdateCounter();
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StrMap_AddString(c_VarMap, "Counter", &counter);
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StrMap_AddString(c_VarMap, "Random", &m_Random);
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}
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/*
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** ReadConfig
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**
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** Reads the measure specific configs.
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**
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*/
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void CMeasureCalc::ReadConfig(CConfigParser& parser, const WCHAR* section)
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{
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CMeasure::ReadConfig(parser, section);
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m_Formula = parser.ReadString(section, L"Formula", L"");
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//MattKing Code Edit :: Start
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m_LowBound = parser.ReadFloat(section, L"LowBound", 95);
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m_HighBound = parser.ReadFloat(section, L"HighBound", 400);
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int range = (m_HighBound - m_LowBound);
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m_Random = m_LowBound + int(range * rand()/(RAND_MAX + 1.0));
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m_Random = m_LowBound + int(range * rand()/(RAND_MAX + 1.0));
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// For some reason I need two calls to really randomize the number
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// I don't have a fix as I dont know much about random numbers
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//MattKing Code Edit :: End
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}
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