QuickCrab

import info.gridworld.actor.*;
import info.gridworld.grid.*;
import java.awt.Color;
import java.util.ArrayList;

public class QuickCrab extends CrabCritter{
    public ArrayList<Location> getMoveLocations(){
        ArrayList<Location> locs = new ArrayList<Location>();
        Grid gr = getGrid();
        secondValid(locs,getDirection() + Location.LEFT);
        secondValid(locs,getDirection() + Location.RIGHT);
        if (locs.size() == 0)
            return super.getMoveLocations();
        return locs;
    }
    private void secondValid(ArrayList<Location> locs,int dir){
        Grid gr = getGrid();
        Location loc = getLocation();
        Location temp = loc.getAdjacentLocation(dir);
        if(gr.isValid(temp) && gr.get(temp) == null){
            Location loc2 = temp.getAdjacentLocation(dir);
            if(gr.isValid(loc2) && gr.get(loc2)== null)
                locs.add(loc2);
        }
    }
}