/* 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/>.
 *
 */

#ifndef ULTIMA4_GAME_AURA_H
#define ULTIMA4_GAME_AURA_H

#include "ultima/ultima4/core/observable.h"

namespace Ultima {
namespace Ultima4 {

/**
 * Aura class
 */
class Aura : public Observable<Aura *> {
public:
	enum Type {
		NONE,
		HORN,
		JINX,
		NEGATE,
		PROTECTION,
		QUICKNESS
	};

	Aura();

	int getDuration() const {
		return _duration;
	}
	Aura::Type getType() const {
		return _type;
	}
	bool isActive() const {
		return _duration > 0;
	}

	void setDuration(int d);
	void set(Type = NONE, int d = 0);
	void setType(Type t);

	bool operator==(const Type &t) const {
		return _type == t;
	}
	bool operator!=(const Type &t) const {
		return !operator==(t);
	}

	void passTurn();

private:
	Type _type;
	int _duration;
};

} // End of namespace Ultima4
} // End of namespace Ultima

#endif