Android Open Source - yahtzee4android Game Controller

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.tum.yahtzee;
/*from  w  w w.  j  a v  a  2s  .  co m*/
import java.util.LinkedList;
import java.util.List;

import com.tum.yahtzee.units.Player;

public class GameController {
  
  private static GameController instance = new GameController();
  public static GameController get() { return instance; }
  
  private int rounds;
  private int currentRound;
  private int currentPlayer;
  
  private List<Player> players = new LinkedList<Player>();
  
  private GameController()
  {
  
  }
  
  public void newGame(int players, int rounds)
  {
    this.rounds = rounds;
    currentRound = 0;
    currentPlayer = 0;
    
    this.players.clear();
    
    for(int i=0;i<players;i++)
    {
      this.players.add(new Player("Player "+(i+1)));
    }
  }
  
  public Player getCurrentPlayer()
  {
    return players.get(currentPlayer);
  }
  
  /*
   * returns false if game is finished
   */
  public boolean next()
  {
    if (currentPlayer+1 >= players.size()) {  
      if (currentRound+1 == rounds)
      {
        return false;
      } else {
        currentPlayer = 0;
        for(Player player : players)
        {
          player.unlockCubes();
        }
        currentRound++;
      }
    } else {
      for(Player player : players)
      {
        player.unlockCubes();
      }
      currentPlayer++;
    }

    return true;
  }
  
  public int getRound()
  {
    return currentRound;
  }
  
  public Player winner()
  {
    List<Player> winners = new LinkedList<Player>(players); //don't want to resort the old one
    for(int i=0;i<winners.size()-1;i++) {
      boolean exchanged = false;
      for(int k=0;k<(winners.size()-1-i);k++) {
        if (winners.get(k).getPoints() < winners.get(k+1).getPoints()) { //lowest at the end will result in winner at position 0
          Player swap = winners.get(k);
          winners.set(k, winners.get(k+1));
          winners.set(k+1, swap);
          exchanged = true;
        }
      }
      if (!exchanged) break; //improve performance, finished sorting if nothing has been exchanged
    }
    
    return winners.get(0);
  }
  
}

Java Source Code List