www.pudn.com > Nestopia137src.zip > NstApiRewinder.hpp

//////////////////////////////////////////////////////////////////////////////////////// 
// 
// Nestopia - NES/Famicom emulator written in C++ 
// 
// Copyright (C) 2003-2007 Martin Freij 
// 
// This file is part of Nestopia. 
// 
// Nestopia 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 2 of the License, or 
// (at your option) any later version. 
// 
// Nestopia 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 Nestopia; if not, write to the Free Software 
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
// 
//////////////////////////////////////////////////////////////////////////////////////// 
 
#ifndef NST_API_REWINDER_H 
#define NST_API_REWINDER_H 
 
#include "NstApi.hpp" 
 
#ifdef NST_PRAGMA_ONCE 
#pragma once 
#endif 
 
#if NST_ICC >= 810 
#pragma warning( push ) 
#pragma warning( disable : 304 444 ) 
#elif NST_MSVC >= 1200 
#pragma warning( push ) 
#pragma warning( disable : 4512 ) 
#endif 
 
namespace Nes 
{ 
	namespace Api 
	{ 
		class Rewinder : public Base 
		{ 
			struct StateCaller; 
 
		public: 
 
			template 
			Rewinder(T& e) 
			: Base(e) {} 
 
			enum Direction 
			{ 
				FORWARD, 
				BACKWARD 
			}; 
 
			Result Enable(bool=true) throw(); 
			bool IsEnabled() const throw(); 
			void Reset() throw(); 
 
			void EnableSound(bool=true) throw(); 
			bool IsSoundEnabled() const throw(); 
 
			Result SetDirection(Direction) throw(); 
			Direction GetDirection() const throw(); 
 
			enum State 
			{ 
				STOPPED, 
				PREPARING, 
				REWINDING 
			}; 
 
			enum 
			{ 
				NUM_STATE_CALLBACKS = 3 
			}; 
 
			typedef void (NST_CALLBACK *StateCallback) (UserData,State); 
 
			static StateCaller stateCallback; 
		}; 
 
		struct Rewinder::StateCaller : Core::UserCallback 
		{ 
			void operator () (State state) const 
			{ 
				if (function) 
					function( userdata, state ); 
			} 
		}; 
	} 
} 
 
#if NST_MSVC >= 1200 || NST_ICC >= 810 
#pragma warning( pop ) 
#endif 
 
#endif