实现游戏循环并请求用户输入

Question

我有两个类：game.java包含逻辑，控制台接受用户输入并打印"游戏"状态。

我的问题是，现在游戏的流程由用户控制，他是调用游戏类方法的人。然而，我想在游戏类中实现循环当我调用placeCard方法时，如何仍然获得用户输入？

在未来，我想实现一个图形界面，并且仍然能够在图形界面和控制台之间切换，而不必修改游戏类，不确定我所说的是否清楚抱歉

玩家等级

import java.util.ArrayList;
public class Player {
private ArrayList<Card> hand;
public Player() {
hand = new ArrayList<Card>();
}
public void dealCards() {
hand.add(new Card(1));
hand.add(new Card(2));
hand.add(new Card(3));
}
public ArrayList<Card> getHand() {
return hand;
}
public void setHand(ArrayList<Card> hand) {
this.hand = hand;
}
public int readCard(int card) {
return card;
}
public int readCol(int col) {
return col;
}
public int readRow(int row) {
return row;
}
}

游戏类

import java.util.ArrayList;
public class Game {
private ArrayList<Player> players;
private int[][] board;
public Game() {
players = new ArrayList<Player>();
board = new int[5][5];
}
public void run() {
while (!isGameOver()) {
// Need to execute : place card
switchPlayer();
}
}
public void placeCardOnBoard(int cardAtindex, int row, int col) {
board[row][col] = players.get(0).getHand().get(cardAtindex).getValue();
players.get(0).getHand().remove(cardAtindex);
}
public void switchPlayer() {
Player temp = players.get(0);
players.remove(0);
players.add(temp);
}
public boolean isGameOver() {
if (players.get(0).getHand().isEmpty()) {
return true;
}
return false;
}
public void registerPlayer(Player p) {
players.add(p);
}
}

卡片类

import java.util.ArrayList;
public class Player {
private ArrayList<Card> hand;
public Player() {
hand = new ArrayList<Card>();
}
public void dealCards() {
hand.add(new Card(1));
hand.add(new Card(2));
hand.add(new Card(3));
}
public ArrayList<Card> getHand() {
return hand;
}
public void setHand(ArrayList<Card> hand) {
this.hand = hand;
}
public int readCard(int card) {
return card;
}
public int readCol(int col) {
return col;
}
public int readRow(int row) {
return row;
}
}

控制台类

public class Console {
Game game;
public Console(Game game) {
this.game = game;
}
// ...
}

Answer 1

这里有一个用一个播放器测试的例子，注册播放器过程需要更详细地描述才能用多个播放器

import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class Console {
public static void main(String[] args) {
// display a user friendly console
// build a player for this user            
// find a game
// register the player to the game
// for testing purpose the console builds a player, builds the game, registers the player to the game and starts the game
Player player1 = new Player(new Scanner(System.in), System.out);
Game game = new Game();
game.registerPlayer(player1);
game.run();
}
}

游戏类

class Game {
private static final int MAX_NUMBER_OF_PLAYERS = 5;
private static final int NUMBER_OF_ROUNDS_IN_A_GAME = 3;
private final List<Player> players;
public Game() {
this.players = new ArrayList<>();
}
public void run() {
int roundsCounter = 0;
while (roundsCounter < NUMBER_OF_ROUNDS_IN_A_GAME) {
for (Player currentPlayer : this.players) {
CardWithColAndRow cardWithColAndRow = currentPlayer.playRound(roundsCounter);
placeCardOnBoard(cardWithColAndRow.getCard(), cardWithColAndRow.getRow(), cardWithColAndRow.getCol());
}
roundsCounter++;
}
end();
}
public void placeCardOnBoard(int cardAtindex, int row, int col) {
// logic for placing card
}
public boolean registerPlayer(Player player) {
if (this.players.size() == MAX_NUMBER_OF_PLAYERS) {
return false;
}
this.players.add(player);
return true;
}
public void end() {
this.players.stream().forEach(player -> player.displayMessage("Game ended"));
}
}

玩家等级

class Player {
private Scanner inputScanner;
private PrintStream ps;
public Player(Scanner inputScanner, PrintStream ps) {
this.inputScanner = inputScanner;
this.ps = ps;
}
public CardWithColAndRow playRound(int roundNumber) {
this.displayMessage(String.format("Play round %s", roundNumber + 1));
this.displayMessage("Type in the card: ");
int card = inputScanner.nextInt();
this.displayMessage("Type in the column: ");
int col = inputScanner.nextInt();
this.displayMessage("Type in the row: ");
int row = inputScanner.nextInt();
return new CardWithColAndRow(card, col, row);
}
public void displayMessage(String message) {
ps.println(message);
}
}

CardWithColAndRow类

class CardWithColAndRow {
private int card;
private int col;
private int row;
public CardWithColAndRow(int card, int col, int row) {
this.card = card;
this.col = col;
this.row = row;
}
public int getCard() {
return card;
}
public int getCol() {
return col;
}
public int getRow() {
return row;
}
}