package game.model;

/** A modifier changes the attack and/or defense of a Fighter.
 */
public interface Modifier {
	/** The amount to add to the attack of the fighter. If
	 * the attack needs to be reduced, a negative value can 
	 * be returned.
	 * @param game The game state.
	 * @param card The fighter card to modify.
	 * @return The amount to add to the attack of this card.
	 */
	int addToAttack(Game game, Fighter card);
	
	/** The amount to add to the defense of the fighter. If
	 * the defense needs to be reduced, a negative value can 
	 * be returned.
	 * @param game The game state.
	 * @param card The fighter card to modify.
	 * @return The amount to add to the defense of this card.
	 */
	int addToDefense(Game game, Fighter card);
}