[FEAT] Show other players' boards in multiplayer

src/main/java/uk/mgrove/ac/soton/comp1206/component/Chat.java

@@ -70,7 +70,8 @@ public class Chat extends VBox {
         messagesContainer.setContent(messages);
         messagesContainer.setFitToWidth(true);
         messagesContainer.setFitToHeight(true);
-        messagesContainer.setPrefHeight(320);
+        messagesContainer.setPrefHeight(280);
+        messagesContainer.setMaxHeight(280);
         messagesContainer.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
         messagesContainer.setVvalue(1.0);
         messagesContainer.getStyleClass().add("scroller");

src/main/java/uk/mgrove/ac/soton/comp1206/component/GameBoard.java

@@ -1,5 +1,7 @@
 package uk.mgrove.ac.soton.comp1206.component;
 
+import javafx.beans.property.IntegerProperty;
+import javafx.beans.property.SimpleIntegerProperty;
 import javafx.scene.input.MouseButton;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.GridPane;
@@ -199,6 +201,14 @@ public class GameBoard extends GridPane {
         return block;
     }
 
+    /**
+     * Get grid value property
+     * @return properties for value of block at given location in grid
+     */
+    public IntegerProperty getGridProperty(int x, int y) {
+        return grid.getGridProperty(x,y);
+    }
+
     /**
      * Set the listener to handle an event when a block is clicked
      * @param listener listener to add
@@ -305,4 +315,20 @@ public class GameBoard extends GridPane {
         currentPiece = newPiece;
     }
 
+    /**
+     * Get current game piece
+     * @return current piece
+     */
+    public GamePiece getCurrentPiece() {
+        return currentPiece;
+    }
+
+    /**
+     * Set whether board should be focussable
+     * @param enableFocus whether board should be focussable
+     */
+    public void enableFocus(boolean enableFocus) {
+        this.enableFocus = enableFocus;
+    }
+
 }

src/main/java/uk/mgrove/ac/soton/comp1206/component/Leaderboard.java

@@ -33,6 +33,7 @@ public class Leaderboard extends ScoresList {
         title = new Text(titleText);
         title.getStyleClass().add("heading");
         getChildren().add(title);
+        setSpacing(4);
 
         reveal();
         scores.addListener((ListChangeListener<? super Pair<String,Pair<Integer, Integer>>>) change -> Platform.runLater(() -> {

src/main/java/uk/mgrove/ac/soton/comp1206/event/PlayerGameBoardListener.java

@@ -0,0 +1,18 @@
+package uk.mgrove.ac.soton.comp1206.event;
+
+import javafx.beans.property.SimpleIntegerProperty;
+import uk.mgrove.ac.soton.comp1206.component.GameBoard;
+
+/**
+ * Listener for player game boards
+ */
+public interface PlayerGameBoardListener {
+
+    /**
+     * Action the listener with details of the board
+     * @param username player's username
+     * @param gridProperties properties for board grid contents
+     */
+    void add(String username, SimpleIntegerProperty[][] gridProperties);
+
+}

src/main/java/uk/mgrove/ac/soton/comp1206/game/Game.java

@@ -4,6 +4,7 @@ import javafx.application.Platform;
 import javafx.beans.property.IntegerProperty;
 import javafx.beans.property.SimpleIntegerProperty;
 import javafx.beans.property.SimpleListProperty;
+import javafx.beans.property.SimpleMapProperty;
 import javafx.util.Pair;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -96,7 +97,12 @@ public class Game {
     /**
      * Listener for showing scores scene
      */
-    private ShowScoresSceneListener showScoresListener;
+    protected ShowScoresSceneListener showScoresListener;
+
+    /**
+     * Listener for when new player board is added
+     */
+    protected PlayerGameBoardListener playerBoardAddedListener;
 
     /**
      * Create a new game with the specified rows and columns. Creates a corresponding grid model.
@@ -167,7 +173,7 @@ public class Game {
     /**
      * Game loop - ongoing time-based functionality
      */
-    private void gameLoop() {
+    protected void gameLoop() {
         logger.info("Executing game loop");
         setLives(getLives() - 1);
         nextPiece();
@@ -512,6 +518,22 @@ public class Game {
         return null;
     }
 
+    /**
+     * Get the player boards property - always null in this class
+     * @return property for player boards
+     */
+    public SimpleMapProperty<String, SimpleIntegerProperty[][]> playerBoardsProperty() {
+        return null;
+    }
+
+    /**
+     * Set listener for when new player board is added
+     * @param listener
+     */
+    public void setOnPlayerBoardAdded(PlayerGameBoardListener listener) {
+        this.playerBoardAddedListener = listener;
+    }
+
     /**
      * Set listener for game failure - but in this class does nothing
      * @param listener listener to set

src/main/java/uk/mgrove/ac/soton/comp1206/game/Grid.java

@@ -207,7 +207,7 @@ public class Grid {
      * @param y y-coordinate of piece centre
      */
     public void previewPiece(GamePiece piece, int x, int y) {
-        if (!canPlayPiece(piece, x, y)) return;
+        if (piece == null || !canPlayPiece(piece, x, y)) return;
 
         logger.info("Previewing piece {} at {},{}", piece, x, y);
         int value = piece.getValue();

src/main/java/uk/mgrove/ac/soton/comp1206/game/MultiplayerGame.java

@@ -1,16 +1,25 @@
 package uk.mgrove.ac.soton.comp1206.game;
 
 import javafx.application.Platform;
+import javafx.beans.property.SimpleIntegerProperty;
 import javafx.beans.property.SimpleListProperty;
+import javafx.beans.property.SimpleMapProperty;
 import javafx.collections.FXCollections;
+import javafx.geometry.Pos;
 import javafx.scene.control.Alert;
+import javafx.scene.layout.VBox;
+import javafx.scene.text.Text;
+import javafx.scene.text.TextAlignment;
 import javafx.util.Pair;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import uk.mgrove.ac.soton.comp1206.event.GameFailureListener;
 import uk.mgrove.ac.soton.comp1206.network.Communicator;
+import uk.mgrove.ac.soton.comp1206.util.Multimedia;
 
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Scanner;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -33,15 +42,20 @@ public class MultiplayerGame extends Game {
     private final BlockingQueue<GamePiece> pieceQueue = new LinkedBlockingQueue<>();
 
     /**
-     * Scores for the leaderboard
+     * Scores for the leaderboard, with structure username, score, lives
      */
-    private final SimpleListProperty<Pair<String,Pair<Integer,Integer>>> leaderboardScores = new SimpleListProperty<>(FXCollections.observableArrayList(new ArrayList<>()));
+    private final SimpleListProperty<Pair<String,Pair<Integer,Integer>>> leaderboardScores = new SimpleListProperty<>(FXCollections.observableArrayList());
 
     /**
      * Listener for game failing
      */
     private GameFailureListener gameFailureListener;
 
+    /**
+     * Mapping of usernames to player boards
+     */
+    private final SimpleMapProperty<String, SimpleIntegerProperty[][]> playerBoards = new SimpleMapProperty<>(FXCollections.observableHashMap());
+
     /**
      * Create a new game with the specified rows and columns. Creates a corresponding grid model.
      *
@@ -125,11 +139,34 @@ public class MultiplayerGame extends Game {
                     break;
                 }
             }
+        } else if (message.startsWith("BOARD ")) {
+            var info = message.replaceFirst("BOARD ", "").split(":");
+            var gridValues = info[1].split(" ");
+            if (playerBoards.containsKey(info[0])) {
+                logger.info("Updating board for: {}", info[0]);
+                for (var x = 0; x < playerBoards.get(info[0]).length; x++) {
+                    for (var y = 0; y < playerBoards.get(info[0])[0].length; y++) {
+                        playerBoards.get(info[0])[x][y].set(Integer.parseInt(gridValues[playerBoards.get(info[0])[0].length * x + y]));
+                    }
+                }
+            } else {
+                logger.info("Adding board for: {}", info[0]);
+                var dimensions = (int) Math.sqrt(gridValues.length);
+                SimpleIntegerProperty[][] newProperties = new SimpleIntegerProperty[dimensions][dimensions];
+                for (var x = 0; x < dimensions; x++) {
+                    for (var y = 0; y < dimensions; y++) {
+                        newProperties[x][y] = new SimpleIntegerProperty(Integer.parseInt(gridValues[grid.getCols() * x + y]));
+                    }
+                }
+                playerBoards.put(info[0], newProperties);
+                if (playerBoardAddedListener != null) playerBoardAddedListener.add(info[0], newProperties);
+            }
+            logger.info("Player boards: {}", playerBoards.get());
         }
     }
 
     /**
-     * Parse high scores from a string to list property
+     * Parse high scores from a string to list property, with structure username, score, lives
      * @param data string to parse from
      * @return list property containing scores loaded
      */
@@ -141,7 +178,7 @@ public class MultiplayerGame extends Game {
 
         while (scanner.hasNextLine()) {
             var line = scanner.nextLine();
-            if (line.matches("^.+:[0-9]+:([0-9]+|DEAD)$")) {
+            if (line.matches("^.+:[0-9]+:((-?[0-9]+)|DEAD)$")) {
                 var info = line.split(":");
                 var lives = info[2].equals("DEAD") ? -1 : Integer.parseInt(info[2]);
                 scores.add(new Pair<>(info[0], new Pair<>(Integer.valueOf(info[1]), lives)));
@@ -162,15 +199,41 @@ public class MultiplayerGame extends Game {
     }
 
     /**
-     * End game
+     * Get the player boards property
+     * @return property for player boards
      */
-    @Override
-    public void endGame() {
-        super.endGame();
+    public SimpleMapProperty<String, SimpleIntegerProperty[][]> playerBoardsProperty() {
+        return playerBoards;
+    }
+
+    /**
+     * Notify server that player is dead
+     */
+    private void die() {
         logger.info("Sending die message to server");
         communicator.send("DIE");
     }
 
+    /**
+     * Game loop - ongoing time-based functionality
+     */
+    @Override
+    protected void gameLoop() {
+        logger.info("Executing game loop");
+        setLives(getLives() - 1);
+        nextPiece();
+        setMultiplier(1);
+        Multimedia.playAudio("sounds/lifelose.wav");
+
+        if(getLives() < 0) {
+            die();
+            logger.info("Ending game");
+            endGame();
+            if (showScoresListener != null) Platform.runLater(() -> showScoresListener.show(this));
+        }
+        else scheduleGameLoop();
+    }
+
     /**
      * Update the score, multiplier, and level depending on the number of lines and blocks that have been cleared
      * @param lines number of lines cleared

src/main/java/uk/mgrove/ac/soton/comp1206/scene/ChallengeScene.java

@@ -78,6 +78,11 @@ public class ChallengeScene extends BaseScene {
      */
     protected final IntegerProperty highScore = new SimpleIntegerProperty(0);
 
+    /**
+     * Main stack pane for scene
+     */
+    protected StackPane challengePane;
+
     /**
      * Create a new Single Player challenge scene
      * @param gameWindow the Game Window
@@ -98,7 +103,7 @@ public class ChallengeScene extends BaseScene {
 
         root = new GamePane(gameWindow.getWidth(),gameWindow.getHeight());
 
-        var challengePane = new StackPane();
+        challengePane = new StackPane();
         challengePane.setMaxWidth(gameWindow.getWidth());
         challengePane.setMaxHeight(gameWindow.getHeight());
         challengePane.getStyleClass().add("menu-background");
@@ -163,9 +168,21 @@ public class ChallengeScene extends BaseScene {
         switch (event.getCode()) {
             case ESCAPE -> returnToMenu();
             case ENTER, X -> game.dropPiece(board.getXFocus(),board.getYFocus());
-            case SPACE, R -> game.swapPieces();
-            case OPEN_BRACKET, Q, Z -> game.rotateCurrentPieceAnticlockwise();
-            case CLOSE_BRACKET, E, C -> game.rotateCurrentPiece();
+            case SPACE, R -> {
+                game.swapPieces();
+                game.getGrid().clearPreview();
+                game.getGrid().previewPiece(board.getCurrentPiece(), board.getXFocus(), board.getYFocus());
+            }
+            case OPEN_BRACKET, Q, Z -> {
+                game.rotateCurrentPieceAnticlockwise();
+                game.getGrid().clearPreview();
+                game.getGrid().previewPiece(board.getCurrentPiece(), board.getXFocus(), board.getYFocus());
+            }
+            case CLOSE_BRACKET, E, C -> {
+                game.rotateCurrentPiece();
+                game.getGrid().clearPreview();
+                game.getGrid().previewPiece(board.getCurrentPiece(), board.getXFocus(), board.getYFocus());
+            }
             case LEFT, A -> board.changeXFocus(-1);
             case RIGHT, D -> board.changeXFocus(1);
             case DOWN, S -> board.changeYFocus(1);

src/main/java/uk/mgrove/ac/soton/comp1206/scene/LobbyScene.java

@@ -79,6 +79,11 @@ public class LobbyScene extends BaseScene {
    */
   private final HBox channelFunctionButtons = new HBox();
 
+  /**
+   * Timer to request list of channels from server
+   */
+  private Timer listChannelsRequest;
+
   /**
    * Create a new scene, passing in the GameWindow the scene will be displayed in
    *
@@ -143,7 +148,7 @@ public class LobbyScene extends BaseScene {
 
     gameWindow.getCommunicator().addListener(this::handleCommunicatorMessage);
 
-    var listChannelsRequest = new Timer("Request list of channels from communicator");
+    listChannelsRequest = new Timer("Request list of channels from communicator");
     listChannelsRequest.schedule(new TimerTask() {
       @Override
       public void run() {
@@ -227,14 +232,16 @@ public class LobbyScene extends BaseScene {
       });
     } else if (message.equals("HOST")) {
       logger.info("User is host of current channel");
-      isChannelHost = true;
-      Platform.runLater(() -> {
-        logger.info("Current channel host status: {}", isChannelHost);
-        var startGame = new Text("Start game");
-        startGame.getStyleClass().add("channelItem");
-        startGame.setOnMouseClicked((event) -> gameWindow.getCommunicator().send("START"));
-        channelFunctionButtons.getChildren().add(0, startGame);
-      });
+      if (!isChannelHost) {
+        isChannelHost = true;
+        Platform.runLater(() -> {
+          logger.info("Current channel host status: {}", isChannelHost);
+          var startGame = new Text("Start game");
+          startGame.getStyleClass().add("channelItem");
+          startGame.setOnMouseClicked((event) -> gameWindow.getCommunicator().send("START"));
+          channelFunctionButtons.getChildren().add(0, startGame);
+        });
+      }
     } else if (message.matches("^NICK .+:.+$")) {
       Platform.runLater(() -> {
         var usernames = message.replaceFirst("NICK ", "").split(":");
@@ -255,7 +262,10 @@ public class LobbyScene extends BaseScene {
       });
     } else if (message.equals("START")) {
       logger.info("Starting game");
-      Platform.runLater(gameWindow::startMultiplayerGame);
+      Platform.runLater(() -> {
+        listChannelsRequest.cancel();
+        gameWindow.startMultiplayerGame();
+      });
     }
   }
 

src/main/java/uk/mgrove/ac/soton/comp1206/scene/MultiplayerScene.java

@@ -1,9 +1,16 @@
 package uk.mgrove.ac.soton.comp1206.scene;
 
 import javafx.application.Platform;
+import javafx.beans.property.MapProperty;
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.beans.property.SimpleMapProperty;
+import javafx.collections.FXCollections;
+import javafx.geometry.Pos;
 import javafx.scene.control.Separator;
+import javafx.scene.layout.GridPane;
 import javafx.scene.layout.VBox;
 import javafx.scene.text.Text;
+import javafx.scene.text.TextAlignment;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import uk.mgrove.ac.soton.comp1206.component.*;
@@ -30,6 +37,16 @@ public class MultiplayerScene extends ChallengeScene {
      */
     private Leaderboard leaderboard;
 
+    /**
+     * Other players' live boards
+     */
+    private MapProperty<String, SimpleIntegerProperty[][]> playerBoards = new SimpleMapProperty<>(FXCollections.observableHashMap());
+
+    /**
+     * Grid of other players' live boards
+     */
+    private final GridPane playerBoardGrid = new GridPane();
+
     /**
      * Create a new multiplayer challenge scene
      *
@@ -50,6 +67,36 @@ public class MultiplayerScene extends ChallengeScene {
         game = new MultiplayerGame(5, 5, gameWindow.getCommunicator());
         game.setOnGameFail(() -> Platform.runLater(gameWindow::startMenu));
 
+        game.setOnPlayerBoardAdded((username, gridProperties) -> {
+            Platform.runLater(() -> {
+                var newGameBoard = new GameBoard(gridProperties.length, gridProperties[0].length, 100, 100);
+                newGameBoard.enableFocus(false);
+                for (var x = 0; x < gridProperties.length; x++) {
+                    for (var y = 0; y < gridProperties[0].length; y++) {
+                        newGameBoard.getGridProperty(x,y).bindBidirectional(gridProperties[x][y]);
+                    }
+                }
+                var leaderboardScores = game.leaderboardScoresProperty();
+
+                var boardGridDimensions = (int) Math.sqrt(leaderboardScores.size());
+                var playerIndex = -1;
+                for (var player : leaderboardScores) {
+                    playerIndex++;
+                    if (player.getKey().equals(username)) break;
+                }
+                var rowIndex = playerIndex / boardGridDimensions;
+                var columnIndex = playerIndex - rowIndex * boardGridDimensions;
+                var newBoardTitle = new Text(username);
+                newBoardTitle.setTextAlignment(TextAlignment.CENTER);
+                newBoardTitle.getStyleClass().add("heading");
+                logger.debug("Creating board for: {} at row index: {}, column index: {}", username, rowIndex, columnIndex);
+                var newBoardContainer = new VBox(newBoardTitle, newGameBoard);
+                newBoardContainer.setAlignment(Pos.CENTER);
+                newBoardContainer.setSpacing(4);
+                playerBoardGrid.add(newBoardContainer, 1, 1);
+            });
+        });
+
         gameWindow.getCommunicator().send("SCORES");
     }
 
@@ -63,12 +110,32 @@ public class MultiplayerScene extends ChallengeScene {
         leftMenu.setSpacing(8);
         leftMenu.setMaxWidth(200);
         leftMenu.setPrefWidth(200);
+        var viewOtherBoards = new Text("See others");
+        viewOtherBoards.getStyleClass().add("channelItem");
+        viewOtherBoards.setOnMouseClicked((event) -> {
+            Platform.runLater(() -> {
+                var returnButton = new Text("Back");
+                returnButton.getStyleClass().add("channelItem");
+                var playerBoardTitle = new Text("All Boards");
+                playerBoardTitle.getStyleClass().add("title");
+                playerBoardTitle.setTextAlignment(TextAlignment.CENTER);
+                var playerBoardGridContainer = new VBox(returnButton, playerBoardTitle, playerBoardGrid);
+                playerBoardGridContainer.setAlignment(Pos.CENTER);
+                playerBoardGridContainer.setFillWidth(true);
+                playerBoardGridContainer.setPrefHeight(Double.MAX_VALUE);
+                playerBoardGridContainer.setSpacing(12);
+                playerBoardGridContainer.getStyleClass().add("overlay");
+                returnButton.setOnMouseClicked((returnEvent) -> Platform.runLater(() -> challengePane.getChildren().remove(playerBoardGridContainer)));
+                playerBoardGrid.setAlignment(Pos.CENTER);
+                challengePane.getChildren().add(playerBoardGridContainer);
+            });
+        });
         chat = new Chat(gameWindow.getCommunicator(), true);
         chat.setChatFocusTraversable(false);
         leaderboard = new Leaderboard("Leaderboard");
         var chatTitle = new Text("Chat");
         chatTitle.getStyleClass().add("heading");
-        leftMenu.getChildren().addAll(leaderboard, new Separator(), chatTitle, chat);
+        leftMenu.getChildren().addAll(viewOtherBoards, leaderboard, new Separator(), chatTitle, chat);
         mainPane.setLeft(leftMenu);
         leaderboard.bindLeaderboardScores(game.leaderboardScoresProperty());
         mainPane.requestFocus();

src/main/java/uk/mgrove/ac/soton/comp1206/scene/ScoresScene.java

@@ -299,6 +299,7 @@ public class ScoresScene extends BaseScene {
     userNamePrompt.getChildren().addAll(userNameInput, userNameSubmit);
     highScorePromptContainer = new VBox(usernameTitle, userNamePrompt);
     highScorePromptContainer.setSpacing(20);
+    highScorePromptContainer.setAlignment(Pos.CENTER);
     scoresPane.getChildren().addAll(highScorePromptContainer);
     StackPane.setAlignment(highScorePromptContainer, Pos.CENTER);
   }
@@ -338,17 +339,19 @@ public class ScoresScene extends BaseScene {
    * @param score high score to save
    */
   private void saveHighScore(String username, int score) {
-    logger.info("Saving high score: {} for user: {}", score, username);
+    if (!game.getClass().equals(MultiplayerGame.class)) {
+      logger.info("Saving high score: {} for user: {}", score, username);
 
-    for (var i = 0; i <= localScores.getSize(); i++) {
-      if (i == localScores.getSize() || localScores.get(i).getValue() < score) {
-        localScores.add(i, new Pair<>(username, score));
-        break;
+      for (var i = 0; i <= localScores.getSize(); i++) {
+        if (i == localScores.getSize() || localScores.get(i).getValue() < score) {
+          localScores.add(i, new Pair<>(username, score));
+          break;
+        }
       }
+      // if score isn't higher than last high score then this shouldn't have been triggered
+      // so while it won't get stored, this isn't an issue
+      writeScores("scores.txt", localScores);
     }
-    // if score isn't higher than last high score then this shouldn't have been triggered
-    // so while it won't get stored, this isn't an issue
-    writeScores("scores.txt", localScores);
   }
 
   private void writeOnlineScore(String username, int score) {

src/main/resources/style/game.css

@@ -6,6 +6,10 @@
     -fx-background-color: black;
 }
 
+.overlay {
+    -fx-background-color: rgba(0,0,0,0.7);
+}
+
 Text {
     -fx-fill: white;
     -fx-font-family: 'Orbitron';
@@ -18,6 +22,9 @@ Label {
 .menu-background {
     -fx-background-image: url("../images/1.jpg");
     -fx-background-size: cover;
+}
+
+BorderPane {
     -fx-padding: 20;
 }
 
@@ -195,6 +202,7 @@ Label {
 }
 
 TextField, .text-field {
+    -fx-font-family: 'Orbitron';
     -fx-border-color: white;
     -fx-border-width: 1px;
     -fx-background-color: rgba(0,0,0,0.5);