Location.java

/*
 * Copyright (C) 2013-2015 2048FX 
 * Jose Pereda, Bruno Borges & Jens Deters
 * All rights reserved.
 *
 * 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/>.
 */

package org.jpereda.game2048;

/**
 * @author bruno.borges@oracle.com
 */
public class Location {

    private final int x;
    private final int y;

    public Location(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public Location offset(Direction direction) {
        return new Location(x + direction.getX(), y + direction.getY());
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

    @Override
    public String toString() {
        return "Location{" + "x=" + x + ", y=" + y + '}';
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 97 * hash + this.x;
        hash = 97 * hash + this.y;
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Location other = (Location) obj;
        if (this.x != other.x) {
            return false;
        }
        return this.y == other.y;
    }

    public double getLayoutY(int CELL_SIZE) {
        if (y == 0) {
            return CELL_SIZE / 2;
        }
        return (y * CELL_SIZE) + CELL_SIZE / 2;
    }

    public double getLayoutX(int CELL_SIZE) {
        if (x == 0) {
            return CELL_SIZE / 2;
        }
        return (x * CELL_SIZE) + CELL_SIZE / 2;
    }

    public boolean isValidFor(int gridSize) {
        return x >= 0 && x < gridSize && y >= 0 && y < gridSize;
    }

}