project64/Source/Project64/N64 System/Speed Limitor Class.h

/****************************************************************************
*                                                                           *
* Project 64 - A Nintendo 64 emulator.                                      *
* http://www.pj64-emu.com/                                                  *
* Copyright (C) 2012 Project64. All rights reserved.                        *
*                                                                           *
* License:                                                                  *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html                        *
*                                                                           *
****************************************************************************/
#pragma once

class CSpeedLimitor :
	private CGameSettings
{	
public:
	     CSpeedLimitor     ( void );
	    ~CSpeedLimitor     ( void );

	void SetHertz          ( const DWORD Hertz );
	bool Timer_Process     ( DWORD * const FrameRate );
	void IncreaeSpeed      ( void );
	void DecreaeSpeed      ( void );

private:
	CSpeedLimitor(const CSpeedLimitor&);			// Disable copy constructor
	CSpeedLimitor& operator=(const CSpeedLimitor&);	// Disable assignment

	void FixSpeedRatio     ( void );

	DWORD                 m_Speed, m_BaseSpeed, m_Frames, m_LastTime;
	double                m_Ratio;
};