/* 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/>.
 *
 */

/* Based on Alan 3 interpreter 3.0beta6 */

#ifndef GLK_ALAN3
#define GLK_ALAN3

#include "glk/alan3/glkio.h"

namespace Glk {
namespace Alan3 {

/**
 * Alan3 game interpreter
 */
class Alan3 : public GlkIO {
public:
	Common::String _advName;
private:
	/**
	 * Initialization
	 */
	bool initialize();

	/**
	 * Deinitialization
	 */
	void deinitialize();
public:
	/**
	 * Constructor
	 */
	Alan3(OSystem *syst, const GlkGameDescription &gameDesc);

	/**
	 * Run the game
	 */
	void runGame() override;

	/**
	 * Returns the running interpreter type
	 */
	InterpreterType getInterpreterType() const override {
		return INTERPRETER_ALAN3;
	}

	/**
	 * Load a savegame from the passed Quetzal file chunk stream
	 */
	Common::Error readSaveData(Common::SeekableReadStream *rs) override;

	/**
	 * Save the game. The passed write stream represents access to the UMem chunk
	 * in the Quetzal save file that will be created
	 */
	Common::Error writeGameData(Common::WriteStream *ws) override;
};

extern Alan3 *g_vm;

} // End of namespace Alan3
} // End of namespace Glk

#endif