/*
 * Copyright (c) 1997-1998 Borland International, Inc. All Rights Reserved.
 * 
 * This SOURCE CODE FILE, which has been provided by Borland as part
 * of a Borland product for use ONLY by licensed users of the product,
 * includes CONFIDENTIAL and PROPRIETARY information of Borland.  
 *
 * USE OF THIS SOFTWARE IS GOVERNED BY THE TERMS AND CONDITIONS 
 * OF THE LICENSE STATEMENT AND LIMITED WARRANTY FURNISHED WITH
 * THE PRODUCT.
 *
 * IN PARTICULAR, YOU WILL INDEMNIFY AND HOLD BORLAND, ITS RELATED
 * COMPANIES AND ITS SUPPLIERS, HARMLESS FROM AND AGAINST ANY CLAIMS
 * OR LIABILITIES ARISING OUT OF THE USE, REPRODUCTION, OR DISTRIBUTION
 * OF YOUR PROGRAMS, INCLUDING ANY CLAIMS OR LIABILITIES ARISING OUT OF
 * OR RESULTING FROM THE USE, MODIFICATION, OR DISTRIBUTION OF PROGRAMS
 * OR FILES CREATED FROM, BASED ON, AND/OR DERIVED FROM THIS SOURCE
 * CODE FILE.
 */
package borland.samples.apps.chess.client;

import borland.samples.apps.chess.client.board.*;

/**helper class for the ChessRules class
*/
public class KingPos
{
  private int kingRank = -1;
  private int kingFile = -1;
  private int kingCheckCount = 0;
  private int attacker = -1;
  private int attackerFile = -1;
  private int attackerRank = -1;
  private int kingColor;

  public KingPos(int color) {
    if (color == Chessboard.WHITEPIECE)
      kingColor = Chessboard.WHITEPIECE ;
    else
      kingColor = Chessboard.BLACKPIECE;
  }

  public int getKingColor() {
    return kingColor;
  }

  public boolean kingPosEquals(int file,int rank){
    if (rank == kingRank && file == kingFile)
      return true;
    else
      return false;
  }

  public void setKingPos(int file,int rank) {
    if (rank >= 0)
      kingRank = rank;
    if (file >= 0)
      kingFile = file;
  //System.out.println("King Pos = " + file + rank + " (" + kingColor);
  }

  public void setAttacker(int piecevalue,int file,int rank){
    if (piecevalue  < 0) {
      System.out.println("no attacker");
      attacker = -1;
      attackerRank = -1;
      attackerFile = -1;
      kingCheckCount = 0;
    }
    else {
      System.out.println("found attacker" + piecevalue + file + rank);
      attacker = piecevalue;
      attackerRank = rank;
      attackerFile = file;
      kingCheckCount++;
    }
  }

  public int getKingFile(){
    return kingFile;
  }

  public int getKingRank(){
    return kingRank;
  }

  public int getAttacker() {
   return attacker;
  }

  public int getAttackerFile() {
    return attackerFile;
  }

  public int getAttackerRank() {
    return attackerRank;
  }

  public void kingInCheck(boolean b) {
    if (b)
      kingCheckCount++;
    else {
      // System.out.println("no attacker");
      attacker = -1;
      attackerRank = -1;
      attackerFile = -1;
      kingCheckCount = 0;
    }
  }

  public boolean isDoubleCheck() {
    return (kingCheckCount > 1)  ;
  }

  public boolean isInCheck () {
    return (kingCheckCount != 0);
  }
}