package net.hoo2.auth.dsproject.snake;

/**
 * @class Ladder
 * @brief Represent a Ladder in the Board.
 * 
 * Ladders  are part of the elements we place on the board.
 * They help the user to elevate rows. Each ladder can be used only once.
 * 
 * @author Christos Choutouridis AEM:8997
 * @email  cchoutou@ece.auth.gr
 */
public class Ladder {
   /** @name Constructors */
   /** @{ */
   /** Default doing nothing constructor */
   Ladder () {
      ladderId = upStepId = downStepId =0;
      broken = false;
   }
   /**
    * @brief   The main constructor
    * We create a ladder in the board
    * @param ladderId   The id of ladder to create
    * @param upStepId   The up-step tile of ladder
    * @param downStepId The down-step tile of ladder
    */
   Ladder (int ladderId, int upStepId, int downStepId) {
      this.ladderId   = ladderId;
      this.upStepId   = upStepId;
      this.downStepId = downStepId;
      this.broken     = false;       // A new ladder is always in good condition
   }
   /**
    * Copy constructor
    * @param l The ladder we want to copy
    */
   Ladder (Ladder l) {
      ladderId   = l.getLadderId ();
      upStepId   = l.getUpStepId ();
      downStepId = l.getDownStepId ();
      broken     = l.getBroken ();
   }
   /** @} */

   /** @name Get/Set interface */
   /** @{ */
    int getLadderId ()             { return ladderId; }
   void setLadderId (int ladderId) { this.ladderId = ladderId; }
    int getUpStepId ()             { return upStepId; }
   void setUpStepId (int upStepId) { this.upStepId = upStepId; }
    int getDownStepId ()               { return downStepId; }
   void setDownStepId (int downStepId) { this.downStepId = downStepId; }
   boolean getBroken ()               { return broken; }
      void setBroken (boolean broken) { this.broken = broken; }
   /** @} */

   /** @name Data members */
   /** @{ */
   private int ladderId;   /**< Ladder's ID */
   private int upStepId;   /**< Ladder's upper step tile location */
   private int downStepId; /**< Snake's down step tile location */
   private boolean broken; /**< flag to indicate used/broken ladder */
   /** @} */
}