-2

我目前正在制作一个程序,让 4 名玩家轮流抛 n 枚硬币。第一个获得 16 分的玩家获胜。玩家每次投掷硬币都会获得积分。他获得的点数等于他掷出的正面数。如果他没有投掷正面,那么他将失去下一回合。如果他翻转了 3 个正面,那么他将获得额外的转身机会并再次投掷硬币。如果他投的头少于 3 个,则轮到下一位玩家。玩家必须获得正好 16 分才能获胜。如果一个玩家有 14 点并掷出 2 个正面,那么他赢了,但如果他掷出 n 个正面并超过 16 点,那么他失去一半的积分并且也输掉了他的回合。他必须正好有 16 分才能获胜。

我的问题在于游戏类。如果他连续掷出 3 个正面,我似乎无法让玩家再次离开,这将奖励他另一个回合。

硬币类

import java.util.Random;

public class Coins
{
   //constants
   private static final int HEADS = 0;
   private static final int TAILS = 1;


   //constants
   private final int n_coins;

   //instance variables
   private int n_heads;
   private int n_tails;
   private Random randomizer;

   //constructors
   public Coins()
   {
      n_tails = 0;
      n_heads = 0;
      n_coins = 3;
      randomizer = new Random();
   }

   public Coins(int new_n_coins) throws Exception
   {
       if(new_n_coins < 1)
         throw new Exception("Coins constructor number of coins is less than 1");
       n_coins = new_n_coins;
       n_tails = 0;
       n_heads = 0;
       randomizer = new Random();
   }
   //custom method
   public void tossCoins()
   {
      n_tails = 0;
      n_heads = 0;
      for(int toss_counter = 1; toss_counter <= n_coins; toss_counter++)
      {

      int coin_face = randomizer.nextInt(TAILS + 1);

      if(coin_face == HEADS)
        n_heads++;
      else
        n_tails++;

      }
   }
   //accessors
   public int getNCoins()
   {
       return n_coins;
   }

   public int getNHeads()
   {
       return n_heads;
   }
   public int getNTails()
   {
       return n_tails;
   }

}   

玩家等级

public class Player
    {
      private String name;
      private int state;
      private int points;


      public Player()
      {
         state = State.NORMAL;
         points = 0;
         name = "no name";
      }

      public Player(String new_name) throws Exception
      {
          state = State.NORMAL;
          points = 0;
          setName(new_name);
      }
      //accessors
      public int getState()
      {
        return state;
      }
      public int getPoints()
      {
        return points;
      }
      public String getName()
      {
        return name;
      }
      //mutators
      public void setState(int new_state)
      {
        state = new_state;
      }
      public void setPoints(int new_points)
      {
        points = new_points;
      }
      public void setName(String new_name) throws Exception
      {
        if(new_name.length() == 0)
          throw new Exception("setName error - empty name");
        name = new_name;
      }
    }

州级

public class State
    {
        public static final int NORMAL = 0;
        public static final int EXTRA_TURN = 1;
        public static final int LOSE_TURN = 2;
    }

游戏课

import java.util.Random;
public class Game
    {
      private Random randomizer;
      private final int n_players;
      private final int m_coins;
      private final int p_points;
      private int player_index;
      private boolean game_over;

      public Game()
      {
        n_players = 4;
        m_coins = 3;
        p_points = 16;
        game_over = false;
        randomizer = new Random();
        player_index = randomizer.nextInt(n_players);
      }

      public Game(int new_m_coins, int new_n_players, int new_p_points)
      {
          n_players = new_n_players;
          m_coins = new_m_coins;
          p_points = new_p_points;
          game_over = false;
          randomizer = new Random();
          player_index = randomizer.nextInt(n_players);
      }

      public int getPlayerIndex()
      {
          return player_index;
      }
      //write mutators


      public boolean gameOver()
      {

          return game_over;

      }

      public int nextPlayer(Player[] players)
      {
          player_index = (player_index + 1) % n_players;

          if(players[player_index].getState() == State.EXTRA_TURN)
          {
             players[player_index].setState(State.NORMAL);
          }
          else
          {
              player_index = (player_index + 1) % n_players;
          }

          while(players[player_index].getState() != State.NORMAL)
          {
              players[player_index].setState(State.NORMAL);
              player_index = (player_index + 1) % n_players;
          }
          return player_index;
      }
      public void computeState(Player player, int m_heads, int oldPoints, int newPoints)
      {

            int player_points = player.getPoints();

            if(player_points == p_points)
                game_over = true;
            else if(player_points > p_points)
            {
                player.setPoints(player_points / 2);
                player.setState(State.LOSE_TURN);
            }
            else if(player_points == oldPoints + m_heads)
            {
                player.setState(State.EXTRA_TURN);
            }
            else
                player.setState(State.NORMAL);

      }
    }

测试币游戏

public class testcoingame
    {
      public static void main(String[] args)
      {
         try
         {
          int m_coins = 3;
          int n_players = 4;
          int p_points = 16;
          String [] names = {"Hank", "Tina", "Hannah", "Tom"};
          Player [] players = new Player[n_players];

          for(int index = 0; index < players.length; index++)
            players[index] = new Player(names[index]);

          Coins coins = new Coins();
          Game game = new Game();
          int player_index;
          do
          {
              player_index = game.nextPlayer(players);
              System.out.printf("It is %s's turn\n", players[player_index].getName());
              System.out.printf("%s has %d points\n", players[player_index].getName(),
              players[player_index].getPoints());

              coins.tossCoins();
              int n_heads = coins.getNHeads();
              System.out.printf("%s tossed %d heads\n",
              players[player_index].getName(), n_heads);

              int old_points = players[player_index].getPoints();
              int new_points = old_points + n_heads;
              players[player_index].setPoints(new_points);
              game.computeState(players[player_index], n_heads, old_points, new_points);
              System.out.printf("%s has %d points\n", players[player_index].getName(),players[player_index].getPoints());
           }
          while(!game.gameOver());
          System.out.printf("%s wins!\n", players[player_index].getName());
         }
         catch(Exception ex)
         {
         }
      }
    }
4

2 回答 2

1

已编辑

只需删除第一 player_index = (player_index + 1) % n_players;game.nextPlayer()

于 2013-05-14T05:40:32.907 回答
0

我会给你一个一般性的提示,因为你有很多代码,把我的解决方案硬塞进去会危险。

考虑“运行”的概念 - 如果玩家有一个正面,那么他们的奔跑为 1。如果他们连续有两个正面,那么他们的奔跑为 2。如果他们已经连续三个,然后他们的运行计数重置,他们的状态设置为EXTRA_TURN

像这样的东西:

private int runCount = 0;
// should only *ever* be called after a heads
public void onRun(boolean hadHeads) {
    if(hadHeads) {
        runCount++;
        if(runCount == 3) {
            runCount = 0;
            setState(EXTRA_TURN);
            System.out.println("Three heads in a row - you get an extra turn!");
    } else {
       runCount = 0;
    }
}
于 2013-05-14T04:33:41.493 回答