CheckMove.java

package u8a3;

import reversi.Coordinates;
import reversi.GameBoard;
import reversi.OutOfBoundsException;
import reversi.Utils;


public class CheckMove implements ICheckMove{

	@Override
	public boolean checkMove(GameBoard gb, int player, Coordinates coord) {
		if(gb.validCoordinates(coord)){
			try {
				if(gb.getOccupation(coord)==GameBoard.EMPTY){
					for( int i = -1; i<= 1; i++){
						for( int j = -1; j <= 1; j++){
							if(i != 0 || j!=0 ){
								if(checkDirection(gb, player, coord, new Coordinates(i,j))){
									return true;
								}
							}
						}
					}
					return false;
				}
			} catch (OutOfBoundsException e) {
				e.printStackTrace();
			}
		}
		return false;
	}
	private boolean checkDirection(GameBoard gb, int player, Coordinates coord, Coordinates dir) throws OutOfBoundsException{
		coord = new Coordinates(coord.getRow()+ dir.getRow(), coord.getCol()+ dir.getCol());
		if(gb.validCoordinates(coord)&&gb.getOccupation(coord)==Utils.other(player)){
			while(gb.validCoordinates(coord)){
				if(gb.getOccupation(coord)==Utils.other(player)){
					coord = new Coordinates(coord.getRow()+ dir.getRow(), coord.getCol()+ dir.getCol());
				}
				else if(gb.getOccupation(coord)==player){
					return true;
				}
				else return false;
			}
		}
		return false;
		
	}
	
}