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Rules.java
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Rules.java
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import java.util.ArrayList;
import java.util.Random;
import java.util.Scanner;
/**
* This class is Monitoring on the enforcement of game rules
*
* @author Mohammad Mahdi Malmasi
* @version 0.1.5
*/
public class Rules
{
/* Feilds */
// the players
private static ArrayList<Player> players = new ArrayList<>();
// the cards of the game
private static ArrayList<Card> gameCards = new ArrayList<>();
// last card on the board
private static Card boardCard;
// last color of the board that plyers should put cards as the same color with it
private static Color boardColor;
// hold the penalty cards
private static ArrayList<Card> penaltyCards = new ArrayList<>();
/* Methods */
/**
* This mehtod preparation the game cards to start the game
*/
public static void preparationGameCards()
{
makeGameCards();
suffleCards();
}
/**
* This method add the given player to the game
*
* @param playerToAdd : player to add to the game
* @return {@code true} (as specified by {@link ArrayList#add(Object)})
*/
public static boolean addPlayer(Player playerToAdd)
{
return players.add(playerToAdd);
}
/**
* This methed return the player at given index
*
* @param playerIndex : the index of the player that you want
* @return the player at the given index
*/
public static Player getPlayer(int playerIndex)
{
return players.get(playerIndex);
}
/**
* @return the players
*/
public static ArrayList<Player> getPlayers()
{
return players;
}
/**
* This method distribute the cards between players
* At the start the game each player should have 7 cards
*/
public static void distributeCards()
{
for (int n = 0; n < 7; n++)
{
for (Player p: players)
{
// get the card to the player
p.addCard(gameCards.get(0));
gameCards.remove(0);
}
}
// set the board card
while (!(gameCards.get(0) instanceof NumberCard))
{
boardCard = gameCards.get(0);
gameCards.remove(0);
gameCards.add(boardCard);
}
boardCard = gameCards.remove(0);
boardColor = Color.getBackgroundColor(boardCard.getCardColor());
gameCards.remove(0);
}
/**
* This method check the player choosen card
*
*
* @param playerChoosenCard : the player choosen card
* @param player : chooser player
*
* @return {@code ture} if player choose is valid(as specified by UNO rules).
* otherwise {@code false}.
*/
public static boolean checkChoose(Card playerChoosenCard, Player player)
{
// check the wild cards
if (playerChoosenCard instanceof WildCard)
return true;
// check the wild draw cards
if (playerChoosenCard instanceof WildDrawCard)
{
for (Card card: player.getPlayerCards())
{
if (card instanceof WildDrawCard)
continue;
if (checkChoose(card, player))
return false;
}
return true;
}
// check draw2 cards
if (boardCard instanceof Draw2Card && penaltyCards.size() != 0)
{
if (playerChoosenCard instanceof Draw2Card)
return true;
else
return false;
}
// revers card case
if (boardCard instanceof ReverseCard && playerChoosenCard instanceof ReverseCard)
return true;
// check the color of cards
if (Color.getBackgroundColor(playerChoosenCard.getCardColor()) == boardColor)
return true;
// check the number of number cards
if (playerChoosenCard instanceof NumberCard && boardCard instanceof NumberCard)
if (playerChoosenCard.getCardScore() == boardCard.getCardScore())
return true;
// check the skip cards
if (playerChoosenCard instanceof SkipCard && boardCard instanceof SkipCard)
return true;
return false;
}
/**
* This method apply the player choice
*
* @param playerChoosenCard : the player choosen card
* @param choosenColor : the choosen player color (in wild card cases)
*/
public static void applyChoose(Card playerChoosenCard, Color choosenColor)
{
changeBoardCard(playerChoosenCard);
boardColor = Color.getBackgroundColor(choosenColor);
if (playerChoosenCard instanceof WildDrawCard)
{
for (int n = 0; n < 4; n++)
{
penaltyCards.add(gameCards.get(0));
gameCards.remove(0);
}
}
else if (playerChoosenCard instanceof Draw2Card)
{
for (int n = 0; n < 2; n++)
{
penaltyCards.add(gameCards.get(0));
gameCards.remove(0);
}
}
}
public static void runGame(Scanner inputs)
{
// * Required variables *
Player currentPlayer; // hold the current player
int currentPlayerindex = firstPlayer(); // hold the current player index
Card playerChoosenCard; // hold the player choosen card
String holdInput; // hold the player inputs
Bot bot; // when bot want to play
while (!endGame())
{
// set the current player
currentPlayer = players.get(currentPlayerindex);
// while the player enter his/her password
if (!(currentPlayer instanceof Bot))
{
while (true)
{
// ask the player password
Printer.getPassToStartTurn(currentPlayer);
holdInput = inputs.nextLine();
// check player input
if (currentPlayer.getPlayerPass().equals(holdInput))
break;
// say that player input is incorrect
Printer.inValidInputError(inputs);
}
}
// the draw2 case
if (penaltyCards.size() != 0)
{
boolean check = false;
for (Card card: currentPlayer.getPlayerCards())
{
if (card instanceof Draw2Card)
{
check = true;
break;
}
}
if (!check)
{
int n = penaltyCards.size();
for (; n > 0; n--)
{
currentPlayer.addCard(penaltyCards.get(0));
penaltyCards.remove(0);
}
}
// go the the next player
currentPlayerindex = ((currentPlayerindex+1)%players.size());
continue;
}
// check the player cards
if (!checkPlayerCards(currentPlayer))
{
// get a card to player
giveCardToPlayer(currentPlayer);
// check the player cards again
if (!checkPlayerCards(currentPlayer))
{
// show the board, number of the other players cards and current player cards
Printer.printGameBoard(boardCard, boardColor);
Printer.printNumberOfPlayersCards(players, currentPlayerindex );
Printer.printPlayerCards(currentPlayer);
// say to player that he/she can't choose any card
if (!(currentPlayer instanceof Bot))
Printer.noChoiceError(inputs);
// go the the next player
currentPlayerindex = ((currentPlayerindex+1)%players.size());
continue;
}
}
// it the current player is a bot
if (currentPlayer instanceof Bot)
{
bot = (Bot)currentPlayer;
playerChoosenCard = bot.playTurn(players, penaltyCards, currentPlayerindex);
// go to the next player
currentPlayerindex = setIndex(playerChoosenCard, currentPlayerindex);
continue;
}
// while player choose a valid card
while (true)
{
// while player choose a valid card code
while (true)
{
// show the board, number of the other players cards and current player cards
Printer.printGameBoard(boardCard, boardColor);
Printer.printNumberOfPlayersCards(players, currentPlayerindex );
Printer.printPlayerCards(currentPlayer);
// ask the player choice
Printer.getPlayerChoice(currentPlayer);
holdInput = inputs.nextLine();
// check player choice
if (holdInput.length() > 0 && holdInput.length() < 4 && isInt(holdInput))
if (Integer.valueOf(holdInput) <= 108 && Integer.valueOf(holdInput) > 0)
if (currentPlayer.haveCard(Integer.valueOf(holdInput)))
break;
// say that player input is incorrect
Printer.inValidInputError(inputs);
}
// get player choosen card
playerChoosenCard = currentPlayer.removeCard(Integer.valueOf(holdInput));
// check the player choosen card
if (checkChoose(playerChoosenCard, currentPlayer))
{
if (playerChoosenCard instanceof WildCard || playerChoosenCard instanceof WildDrawCard)
{
// while player choose a currect input
while (true)
{
// ask the player choosen color
Printer.getPlayerChoosenColor();
holdInput = inputs.nextLine();
// check the player input
if (holdInput.length() == 1 && holdInput.charAt(0) > '0' && holdInput.charAt(0) < '5')
break;
// say that player input is incorrect
Printer.inValidInputError(inputs);
// show the board, number of the other players cards and current player cards
Printer.printGameBoard(boardCard, boardColor);
Printer.printNumberOfPlayersCards(players, currentPlayerindex );
Printer.printPlayerCards(currentPlayer);
}
switch (holdInput)
{
case "1":
applyChoose(playerChoosenCard, Color.RED);
break;
case "2":
applyChoose(playerChoosenCard, Color.YELLOW);
break;
case "3":
applyChoose(playerChoosenCard, Color.GREEN);
break;
case "4":
applyChoose(playerChoosenCard, Color.BLUE);
break;
}
}
else
applyChoose(playerChoosenCard, playerChoosenCard.getCardColor());
break;
}
// give back the card to the player
currentPlayer.addCard(playerChoosenCard);
// say that player input is incorrect
Printer.inValidInputError(inputs);
}
// wild draw case
if (playerChoosenCard instanceof WildDrawCard)
{
int index = (currentPlayerindex+1)%players.size();
int n = penaltyCards.size();
for (; n > 0; n--)
{
players.get(index).addCard(penaltyCards.get(0));;
penaltyCards.remove(0);
}
}
// go to the next player
currentPlayerindex = setIndex(playerChoosenCard, currentPlayerindex);
}
sortPlayers();
Printer.printScores(players, inputs);
}
/**
* This method reset the game variables
*/
public static void reset()
{
players = new ArrayList<>();
gameCards = new ArrayList<>();
penaltyCards = new ArrayList<>();
}
// this method choose the first player randomly
private static int firstPlayer()
{
Random rand = new Random();
return rand.nextInt(players.size());
}
// this method reverse the players array list
private static void revesePlayers()
{
// hold the player for swap
Player holdPlayer;
for (int first = 0, end = players.size()-1; first < players.size()/2; first++, end--)
{
holdPlayer = players.get(first);
players.set(first, players.get(end));
players.set(end, holdPlayer);
}
}
// this method sort the players by their scores
private static void sortPlayers()
{
// hold the player for swap
Player holdPlayer;
for (int i = 0; i < players.size(); i++)
for (int j = i; j < players.size(); j++)
if (players.get(i).getScore() > players.get(j).getScore())
{
holdPlayer = players.get(i);
players.set(i, players.get(j));
players.set(j, holdPlayer);
}
else if (players.get(i).getScore() == players.get(j).getScore()
&&
(players.get(i).getNumberOfPlayerCards() > players.get(j).getNumberOfPlayerCards()))
{
holdPlayer = players.get(i);
players.set(i, players.get(j));
players.set(j, holdPlayer);
}
}
// this method return ture if player have at least one card to play
private static boolean checkPlayerCards(Player player)
{
for (Card card: player.getPlayerCards())
{
if (checkChoose(card, player))
return true;
}
return false;
}
// this method give a card to player from game cards
private static void giveCardToPlayer(Player currentPlayer)
{
currentPlayer.addCard(gameCards.get(0));
gameCards.remove(0);
}
// this method change the board card
private static void changeBoardCard(Card newCard)
{
gameCards.add(boardCard);
boardCard = newCard;
}
// this method get the next player index due to the player choosen card
private static int setIndex(Card playerChoosenCard, int currentPlayerindex)
{
// skip card case
if (playerChoosenCard instanceof SkipCard || playerChoosenCard instanceof WildDrawCard)
currentPlayerindex = currentPlayerindex+2;
// reverse card case
else if (playerChoosenCard instanceof ReverseCard)
{
revesePlayers();
currentPlayerindex = (players.size() - currentPlayerindex);
}
// finish one round case
else if (currentPlayerindex+1 == players.size())
currentPlayerindex = 0;
// other cases
else
currentPlayerindex++;
return (currentPlayerindex%players.size());
}
// this method return true if game endded
private static boolean endGame()
{
for (Player player: players)
{
if (player.getNumberOfPlayerCards() == 0)
return true;
}
return false;
}
// this method creat the game cards
private static void makeGameCards()
{
// the code of the cards
int cardCode = 0;
// make red cards
makeCards(Color.RED, cardCode);
cardCode += 25;
// make yellow cards
makeCards(Color.YELLOW, cardCode);
cardCode += 25;
// make green cards
makeCards(Color.GREEN, cardCode);
cardCode += 25;
// make blue cards
makeCards(Color.BLUE, cardCode);
cardCode += 25;
// make wild cards
for (int n = 0; n < 4; n++)
gameCards.add(new WildCard(++cardCode));
// make wild draw cards
for (int n = 0; n < 4; n++)
gameCards.add(new WildDrawCard(++cardCode));
}
// this method creat the cards of the given color
private static void makeCards(Color cardColor, int cardCode)
{
// set the first set of cards
gameCards.add(new NumberCard(0, cardColor, ++cardCode));
gameCards.add(new NumberCard(1, cardColor, ++cardCode));
gameCards.add(new NumberCard(2, cardColor, ++cardCode));
gameCards.add(new NumberCard(3, cardColor, ++cardCode));
gameCards.add(new NumberCard(4, cardColor, ++cardCode));
gameCards.add(new NumberCard(5, cardColor, ++cardCode));
gameCards.add(new NumberCard(6, cardColor, ++cardCode));
gameCards.add(new NumberCard(7, cardColor, ++cardCode));
gameCards.add(new NumberCard(8, cardColor, ++cardCode));
gameCards.add(new NumberCard(9, cardColor, ++cardCode));
// set the second set of cards
gameCards.add(new NumberCard(1, cardColor, ++cardCode));
gameCards.add(new NumberCard(2, cardColor, ++cardCode));
gameCards.add(new NumberCard(3, cardColor, ++cardCode));
gameCards.add(new NumberCard(4, cardColor, ++cardCode));
gameCards.add(new NumberCard(5, cardColor, ++cardCode));
gameCards.add(new NumberCard(6, cardColor, ++cardCode));
gameCards.add(new NumberCard(7, cardColor, ++cardCode));
gameCards.add(new NumberCard(8, cardColor, ++cardCode));
gameCards.add(new NumberCard(9, cardColor, ++cardCode));
// set the skip cards
gameCards.add(new SkipCard(cardColor, ++cardCode));
gameCards.add(new SkipCard(cardColor, ++cardCode));
// set the reverse cards
gameCards.add(new ReverseCard(cardColor, ++cardCode));
gameCards.add(new ReverseCard(cardColor, ++cardCode));
// set the draw2 cards
gameCards.add(new Draw2Card(cardColor, ++cardCode));
gameCards.add(new Draw2Card(cardColor, ++cardCode));
}
// this method suffle the game cards
private static void suffleCards()
{
// hold the code number of the suffled cards
ArrayList<Integer> suffledCards = new ArrayList<>();
// hold the cards for swap
Card holdCard;
// for make random numbers
Random rand = new Random();
// hold the random numbers
int randNum1 = 0, randNum2 = 0;
// shuffle 80 cards (40 * 2 cards)
for (int n = 0; n < 40; n++)
{
// * generate the first random number *
// while find a valid number
while (true)
{
// generate the random number
randNum1 = rand.nextInt(108);
// check the generated number
if (!suffledCards.contains(randNum1))
break;
}
suffledCards.add(randNum1);
// * generate the second random number *
// while find a valid number
while (true)
{
// generate the random number
randNum2 = rand.nextInt(108);
// check the generated number
if (!suffledCards.contains(randNum2) && randNum2 != randNum1)
break;
}
suffledCards.add(randNum2);
// swap the cards
holdCard = gameCards.get(randNum1);
gameCards.set(randNum1, gameCards.get(randNum2));
gameCards.set(randNum2, holdCard);
}
}
// this method check that the given string can refer to a int or not
private static boolean isInt(String stringToCheck)
{
for (int n = 0; n < stringToCheck.length(); n++)
{
if (!('0' <= stringToCheck.charAt(n) && stringToCheck.charAt(0) <= '9'))
return false;
}
return true;
}
}