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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#ifndef HPL_MOUSE_H
#define HPL_MOUSE_H
#include "common/bitarray.h"
#include "hpl1/engine/input/InputDevice.h"
#include "hpl1/engine/input/InputTypes.h"
#include "hpl1/engine/math/MathTypes.h"
namespace Common {
struct Event;
}
namespace hpl {
class LowLevelInput;
class iLowLevelGraphics;
class Mouse : public iInputDevice {
public:
Mouse(LowLevelInput *apLowLevelInputSDL, iLowLevelGraphics *apLowLevelGraphics);
~Mouse() {}
/**
* Check if a mouse button is down
* \param eMButton the button to check
* \return
*/
bool ButtonIsDown(eMButton);
/**
* Get the absolute pos of the mouse.
* \return
*/
cVector2f GetAbsPosition();
/**
* Get the relative movement.
* \return
*/
cVector2f GetRelPosition();
/**
* Reset smoothing and relative movement.
*/
void Reset();
/**
* Set parameters for mouse smoothing
* \param afMinPercent Influence of the oldest position.
* \param afMaxPercent Influence of the latest position.
* \param alBufferSize number of saved positions, 1 = no smoothing
*/
void SetSmoothProperties(float afMinPercent,
float afMaxPercent, unsigned int alBufferSize);
void Update();
private:
void processEvent(const Common::Event &ev);
cVector2f _absMousePos;
cVector2f _relMousePos;
Common::BitArray _buttonState;
float mfMaxPercent;
float mfMinPercent;
int mlBufferSize;
LowLevelInput *_lowLevelInputSDL;
iLowLevelGraphics *_lowLevelGraphics;
};
} // namespace hpl
#endif // HPL_MOUSE_H
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