mirror of
https://github.com/RetroDECK/Supermodel.git
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141 lines
3.4 KiB
C++
141 lines
3.4 KiB
C++
/**
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** Supermodel
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** A Sega Model 3 Arcade Emulator.
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** Copyright 2011 Bart Trzynadlowski, Nik Henson
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**
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** This file is part of Supermodel.
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**
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** Supermodel is free software: you can redistribute it and/or modify it under
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** the terms of the GNU General Public License as published by the Free
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** Software Foundation, either version 3 of the License, or (at your option)
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** any later version.
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**
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** Supermodel is distributed in the hope that it will be useful, but WITHOUT
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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** more details.
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**
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** You should have received a copy of the GNU General Public License along
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** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
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**/
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/*
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* InputSource.cpp
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*
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* Implementation of CInputSource. Obtains input values from the platform-
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* dependent input system and returns them as bools for switches and integer
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* values for analog inputs.
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*/
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#include "InputSource.h"
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#include "Supermodel.h"
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#include "Input.h"
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#include "InputSystem.h"
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#include <vector>
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using namespace std;
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CInputSource::CInputSource(ESourceType sourceType) : type(sourceType), m_acquired(0)
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{
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//
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}
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void CInputSource::Acquire()
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{
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m_acquired++;
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#ifdef DEBUG
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CInputSystem::totalSrcsAcquired++;
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#endif
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}
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void CInputSource::Release()
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{
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if (--m_acquired == 0)
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delete this;
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#ifdef DEBUG
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CInputSystem::totalSrcsReleased++;
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#endif
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}
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int CInputSource::Clamp(int val, int minVal, int maxVal)
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{
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if (val > maxVal) return maxVal;
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else if (val < minVal) return minVal;
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else return val;
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}
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int CInputSource::Scale(int val, int fromMinVal, int fromMaxVal, int toMinVal, int toMaxVal)
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{
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return Scale(val, fromMinVal, fromMinVal, fromMaxVal, toMinVal, toMinVal, toMaxVal);
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}
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int CInputSource::Scale(int val, int fromMinVal, int fromOffVal, int fromMaxVal, int toMinVal, int toOffVal, int toMaxVal)
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{
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double fromRange;
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double frac;
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if (fromMaxVal > fromMinVal)
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{
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val = Clamp(val, fromMinVal, fromMaxVal);
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if (val > fromOffVal)
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{
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fromRange = (double)(fromMaxVal - fromOffVal);
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frac = (double)(val - fromOffVal) / fromRange;
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}
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else if (val < fromOffVal)
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{
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fromRange = (double)(fromOffVal - fromMinVal);
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frac = (double)(val - fromOffVal) / fromRange;
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}
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else
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return toOffVal;
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}
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else if (fromMinVal > fromMaxVal)
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{
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val = Clamp(val, fromMaxVal, fromMinVal);
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if (val > fromOffVal)
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{
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fromRange = (double)(fromMinVal - fromOffVal);
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frac = (double)(fromOffVal - val) / fromRange;
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}
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else if (val < fromOffVal)
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{
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fromRange = (double)(fromOffVal - fromMaxVal);
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frac = (double)(fromOffVal - val) / fromRange;
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}
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else
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return toOffVal;
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}
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else
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return toOffVal;
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double toRange;
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if (toMaxVal > toMinVal)
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{
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if (frac >= 0)
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toRange = (double)(toMaxVal - toOffVal);
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else
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toRange = (double)(toOffVal - toMinVal);
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return toOffVal + (int)(toRange * frac);
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}
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else
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{
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if (frac >= 0)
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toRange = (double)(toOffVal - toMaxVal);
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else
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toRange = (double)(toMinVal - toOffVal);
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return toOffVal - (int)(toRange * frac);
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}
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}
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bool CInputSource::IsActive()
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{
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bool boolVal;
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return GetValueAsSwitch(boolVal);
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}
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bool CInputSource::SendForceFeedbackCmd(ForceFeedbackCmd ffCmd)
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{
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return false;
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} |