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73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2005 The ScummVM project
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*
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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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*
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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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*
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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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* $Header$
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*/
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#ifndef ENGINE_H
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#define ENGINE_H
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#include "common/scummsys.h"
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#include "common/str.h"
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class GameDetector;
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class OSystem;
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class SaveFileManager;
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class SoundMixer;
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class Timer;
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class Engine {
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public:
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OSystem *_system;
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SoundMixer *_mixer;
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Timer * _timer;
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protected:
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const Common::String _gameDataPath;
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SaveFileManager *_saveFileMan;
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public:
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Engine(OSystem *syst);
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virtual ~Engine();
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/**
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* Init the engine.
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* @return 0 for success, else an error code.
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*/
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virtual int init(GameDetector &detector) = 0;
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/**
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* Start the main engine loop.
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* The return value is not yet used, but could indicate whether the user
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* wants to return to the launch or to fully quit ScummVM.
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* @return a result code
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*/
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virtual int go() = 0;
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/** Get the path to the game data directory. */
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virtual const char *getGameDataPath() const;
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/** Specific for each engine: prepare error string. */
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virtual void errorString(const char *buf_input, char *buf_output) = 0;
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void initCommonGFX(GameDetector &detector);
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};
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extern Engine *g_engine;
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#endif
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