HexSideEnum.java :  » Game » joverseer » org » joverseer » metadata » domain » Java Open Source

package org.joverseer.metadata.domain;

import java.io.Serializable;

import org.joverseer.support.movement.MovementDirection;
import org.joverseer.support.movement.MovementUtils;

/**
 * Enumeration for the hex sides
 * 
 * Values are according to the palantir data files.
 * 
 * @author Marios Skounakis
 *
 */
public enum HexSideEnum implements Serializable {
    TopLeft (6),
    TopRight (1),
    Right (2),
    BottomRight (3),
    BottomLeft (4),
    Left (5);

    private final int side;

    HexSideEnum(int s) {
        side = s;
    }

    public int getSide() {
        return side;
    }

    public static HexSideEnum fromValue(int i) {
        for (HexSideEnum e : HexSideEnum.values()) {
            if (e.getSide() == i) return e;
        }
        return null;
    }
    
    public int getHexNoAtSide(int currentHexNo) {
      if (TopLeft.equals(this)) {
        return MovementUtils.getHexNoAtDir(currentHexNo, MovementDirection.NorthWest);
      } else if (TopRight.equals(this)) {
        return MovementUtils.getHexNoAtDir(currentHexNo, MovementDirection.NorthEast);
      } else if (Right.equals(this)) {
        return MovementUtils.getHexNoAtDir(currentHexNo, MovementDirection.East);
      }else if (BottomRight.equals(this)) {
        return MovementUtils.getHexNoAtDir(currentHexNo, MovementDirection.SouthEast);
      }else if (BottomLeft.equals(this)) {
        return MovementUtils.getHexNoAtDir(currentHexNo, MovementDirection.SouthWest);
      } else if (Left.equals(this)) {
        return MovementUtils.getHexNoAtDir(currentHexNo, MovementDirection.West);
      }
      return -1;
    }
    
    public HexSideEnum getOppositeSide() {
      if (TopLeft.equals(this)) {
        return BottomRight;
      } else if (TopRight.equals(this)) {
        return BottomLeft;
      } else if (Right.equals(this)) {
        return Left;
      }else if (BottomRight.equals(this)) {
        return TopLeft;
      }else if (BottomLeft.equals(this)) {
        return TopRight;
      } else if (Left.equals(this)) {
        return Right;
      }
      return null;
    }
}