package general.interfaces;

import gen.*;

public interface RuleCheckerI 
{
	/**
	 * Is t is a legal move given the state of the game, gs?
	 * 
	 * Returns whether all rules were followed plus any messages generated,
	 * generally related to violations or warnings.
	 * 
	 * @param t The move to be checked
	 * @param gs The state of the game
	 * @return 
	 */
	public Pair<Boolean, String> rulesFollowed(PlayerTransaction t, GameStateI gs);
}