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Hex playfield support for libGDX.

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/*
 *   Copyright (c) 2023. Ned Wolpert 
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *
 */

package com.codeheadsystems.gamelib.hex.model;

import com.badlogic.gdx.utils.Pool;
import java.util.Objects;

/**
 * The type Doubled coord.
 */
public class DoubledCoord implements Pool.Poolable {

  private int col;
  private int row;

  /**
   * Of doubled coord.
   *
   * @param col the col
   * @param row the row
   * @return the doubled coord
   */
  public static DoubledCoord of(int col, int row) {
    return new DoubledCoord().setCol(col).setRow(row);
  }

  /**
   * Col int.
   *
   * @return the int
   */
  public int col() {
    return col;
  }

  /**
   * Row int.
   *
   * @return the int
   */
  public int row() {
    return row;
  }

  /**
   * Sets col.
   *
   * @param col the col
   * @return the col
   */
  public DoubledCoord setCol(int col) {
    this.col = col;
    return this;
  }

  /**
   * Sets row.
   *
   * @param row the row
   * @return the row
   */
  public DoubledCoord setRow(int row) {
    this.row = row;
    return this;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    DoubledCoord that = (DoubledCoord) o;
    return col == that.col && row == that.row;
  }

  @Override
  public int hashCode() {
    return Objects.hash(col, row);
  }

  @Override
  public void reset() {
    row = 0;
    col = 0;
  }
}