basic multiplayer

app/src/main/java/game/Game.java

@@ -3,12 +3,21 @@ package game;
 import java.util.HashMap;
 import java.util.Map;
 
+import sudoku.MultiDoku;
+
 public class Game {
 
+	public static enum GameState {
+		GameNotStarted, GameGoing, GameEnd
+	}
+
 	private final Map<Integer, Player> players;
+	private GameState gameState;
+	private MultiDoku doku;
 
 	public Game() {
 		this.players = new HashMap<>();
+		this.gameState = GameState.GameNotStarted;
 	}
 
 	public Player getPlayerById(int id) {
@@ -27,4 +36,17 @@ public class Game {
 		return players;
 	}
 
+	public void startGame(MultiDoku doku) {
+		this.doku = doku;
+		this.gameState = GameState.GameGoing;
+	}
+
+	public GameState getGameState() {
+		return gameState;
+	}
+
+	public MultiDoku getDoku() {
+		return doku;
+	}
+
 }

app/src/main/java/gui/SudokuRenderer.java

@@ -12,36 +12,41 @@ import imgui.flag.ImGuiCol;
 import imgui.flag.ImGuiStyleVar;
 import sudoku.Block;
 import sudoku.Cell;
+import sudoku.MultiDoku;
 import sudoku.Sudoku;
 
 public class SudokuRenderer {
 
-	private final Sudoku sudoku;
+	private final MultiDoku doku;
+	private Sudoku currentSudoku;
 	private int currentIndex = -1;
 	private final Map<Block, Color> colorPalette;
 
-	public SudokuRenderer(Sudoku sudoku) {
-		this.sudoku = sudoku;
-		this.colorPalette = new HashMap<>();
-		initColors();
+	public SudokuRenderer(MultiDoku doku) {
+		this.doku = doku;
+		this.currentSudoku = doku.getSubGrid(0);
+		this.colorPalette = initColors();
 	}
 
-	private void initColors() {
-		List<Color> colors = ColorGenerator.greatPalette(sudoku.getSize());
+	private Map<Block, Color> initColors() {
+		List<Color> colors = ColorGenerator.greatPalette(currentSudoku.getSize());
+		Map<Block, Color> colorPalette = new HashMap<>();
 		int index = 0;
-		for (Block block : sudoku.getBlocks()) {
+		for (Block block : currentSudoku.getBlocks()) {
 			colorPalette.put(block, colors.get(index));
 			index++;
 		}
+		return colorPalette;
 	}
 
 	private void renderPopup() {
 		if (ImGui.beginPopup("editPopup")) {
-			for (int i = 1; i < sudoku.getSize() + 1; i++) {
-				if (i % (int) (Math.sqrt(sudoku.getSize())) != 1)
+			for (int i = 1; i < currentSudoku.getSize() + 1; i++) {
+				if (i % (int) (Math.sqrt(currentSudoku.getSize())) != 1)
 					ImGui.sameLine();
 				if (ImGui.button(Integer.toString(i), new ImVec2(50, 50))) {
-					this.sudoku.setCellSymbol(currentIndex % sudoku.getSize(), currentIndex / sudoku.getSize(), i - 1);
+					this.currentSudoku.setCellSymbol(currentIndex % currentSudoku.getSize(),
+							currentIndex / currentSudoku.getSize(), i - 1);
 					ImGui.closeCurrentPopup();
 				}
 			}
@@ -50,13 +55,12 @@ public class SudokuRenderer {
 	}
 
 	public void render() {
-		ImGui.begin("Sudoku Window");
-		for (int y = 0; y < sudoku.getSize(); y++) {
-			for (int x = 0; x < sudoku.getSize(); x++) {
+		for (int y = 0; y < currentSudoku.getSize(); y++) {
+			for (int x = 0; x < currentSudoku.getSize(); x++) {
 				if (x > 0)
 					ImGui.sameLine();
-				int index = y * sudoku.getSize() + x;
-				Cell cell = sudoku.getCell(x, y);
+				int index = y * currentSudoku.getSize() + x;
+				Cell cell = currentSudoku.getCell(x, y);
 				int symbol = cell.getSymbolIndex();
 				Color blockColor = colorPalette.get(cell.getBlock());
 				ImGui.pushStyleVar(ImGuiStyleVar.SelectableTextAlign, new ImVec2(0.5f, 0.5f));
@@ -73,7 +77,6 @@ public class SudokuRenderer {
 			}
 		}
 		renderPopup();
-		ImGui.end();
 	}
 
 }

app/src/main/java/gui/menu/BaseView.java

@@ -14,8 +14,14 @@ public abstract class BaseView {
 
 	public void cleanResources() {}
 
+	public void closeMenu(int count) {
+		for (int i = 0; i < count; i++) {
+			this.stateMachine.popState();
+		}
+	}
+
 	public void closeMenu() {
-		this.stateMachine.popState();
+		closeMenu(1);
 	}
 
 	protected void renderReturnButton() {

app/src/main/java/gui/menu/MultiPlayerDokuView.java

@@ -0,0 +1,38 @@
+package gui.menu;
+
+import gui.SudokuRenderer;
+import imgui.ImGui;
+import network.client.Client;
+import network.server.Server;
+import sudoku.MultiDoku;
+
+public class MultiPlayerDokuView extends BaseView{
+
+	private final Client client;
+	private final Server server;
+	private final SudokuRenderer sudokuRenderer;
+
+	public MultiPlayerDokuView(StateMachine stateMachine, Client client, Server server) {
+		super(stateMachine);
+		this.client = client;
+		this.server = server;
+		this.sudokuRenderer = new SudokuRenderer(this.client.getGame().getDoku());
+		this.client.onDisconnect.connect(this::onDisconnect);
+	}
+
+	public void onDisconnect() {
+		if (server == null) {
+			closeMenu();
+		}
+	}
+
+	@Override
+	public void render() {
+		this.sudokuRenderer.render();
+		if (ImGui.button("Quitter")) {
+			this.client.stop();
+			this.closeMenu(3);
+		}
+	}
+
+}

app/src/main/java/gui/menu/MultiPlayerView.java

@@ -4,6 +4,8 @@ import game.Player;
 import imgui.ImGui;
 import network.client.Client;
 import network.server.Server;
+import sudoku.MultiDoku;
+import sudoku.SudokuFactory;
 
 public class MultiPlayerView extends BaseView {
 
@@ -15,6 +17,7 @@ public class MultiPlayerView extends BaseView {
 		this.client = client;
 		this.server = server;
 		this.client.onDisconnect.connect(this::onDisconnect);
+		this.client.onGameStarted.connect(() -> this.stateMachine.pushState(new MultiPlayerDokuView(stateMachine, client, server)));
 	}
 
 	@Override
@@ -32,7 +35,9 @@ public class MultiPlayerView extends BaseView {
 			ImGui.text("En attente de l'administrateur du serveur ...");
 		} else {
 			if (ImGui.button("Démarrer")) {
-				// start the game
+				// temp
+				MultiDoku doku = SudokuFactory.createBasicEmptySquareSudoku(5);
+				this.server.startGame(doku);
 			}
 		}
 	}

app/src/main/java/network/client/ClientConnexion.java

@@ -12,6 +12,8 @@ import network.protocol.packets.KeepAlivePacket;
 import network.protocol.packets.LoginPacket;
 import network.protocol.packets.PlayerJoinPacket;
 import network.protocol.packets.PlayerLeavePacket;
+import network.protocol.packets.StartGamePacket;
+import sudoku.io.SudokuSerializer;
 
 public class ClientConnexion extends Connexion {
 
@@ -65,4 +67,10 @@ public class ClientConnexion extends Connexion {
 		this.client.getGame().removePlayer(packet.getPlayer());
 	}
 
+	@Override
+	public void visitPacket(StartGamePacket packet) {
+		this.client.getGame().startGame(SudokuSerializer.deserializeSudoku(packet.getSerializedSudoku()));
+		this.client.onGameStarted.emit();
+	}
+
 }

app/src/main/java/network/protocol/PacketVisitor.java

@@ -6,6 +6,7 @@ import network.protocol.packets.KeepAlivePacket;
 import network.protocol.packets.LoginPacket;
 import network.protocol.packets.PlayerJoinPacket;
 import network.protocol.packets.PlayerLeavePacket;
+import network.protocol.packets.StartGamePacket;
 
 public interface PacketVisitor {
 
@@ -19,5 +20,6 @@ public interface PacketVisitor {
 	void visitPacket(LoginPacket packet);
 	void visitPacket(PlayerJoinPacket packet);
 	void visitPacket(PlayerLeavePacket packet);
+	void visitPacket(StartGamePacket packet);
 	
 }

app/src/main/java/network/protocol/Packets.java

@@ -2,6 +2,6 @@ package network.protocol;
 
 public enum Packets {
 
-	ConnectionInfo, KeepAlive, Disconnect, Login, PlayerJoin, PlayerLeave
+	ConnectionInfo, KeepAlive, Disconnect, Login, PlayerJoin, PlayerLeave, StartGame
 
 }

app/src/main/java/network/protocol/packets/StartGamePacket.java

@@ -0,0 +1,26 @@
+package network.protocol.packets;
+
+import network.protocol.Packet;
+import network.protocol.PacketVisitor;
+import network.protocol.Packets;
+
+public class StartGamePacket extends Packet {
+
+	static private final long serialVersionUID = Packets.StartGame.ordinal();
+
+	private final String serializedSudoku;
+
+	public StartGamePacket(String serializedSudoku) {
+		this.serializedSudoku = serializedSudoku;
+	}
+
+	public String getSerializedSudoku() {
+		return serializedSudoku;
+	}
+
+	@Override
+	public void accept(PacketVisitor packetVisitor) {
+		packetVisitor.visitPacket(this);
+	}
+
+}

app/src/main/java/network/server/Server.java

@@ -8,6 +8,9 @@ import java.util.List;
 import game.Game;
 import game.Player;
 import network.protocol.Packet;
+import network.protocol.packets.StartGamePacket;
+import sudoku.MultiDoku;
+import sudoku.io.SudokuSerializer;
 
 public class Server {
 
@@ -65,4 +68,9 @@ public class Server {
 		return game;
 	}
 
+	public void startGame(MultiDoku doku) {
+		this.game.startGame(doku);
+		broadcastPacket(new StartGamePacket(SudokuSerializer.serializeSudoku(doku)));
+	}
+
 }

app/src/main/java/network/server/ServerConnexion.java

@@ -4,6 +4,7 @@ import java.io.IOException;
 import java.net.Socket;
 
 import game.Player;
+import game.Game.GameState;
 import network.Connexion;
 import network.protocol.packets.ConnexionInfoPacket;
 import network.protocol.packets.DisconnectPacket;
@@ -11,6 +12,8 @@ import network.protocol.packets.KeepAlivePacket;
 import network.protocol.packets.LoginPacket;
 import network.protocol.packets.PlayerJoinPacket;
 import network.protocol.packets.PlayerLeavePacket;
+import network.protocol.packets.StartGamePacket;
+import sudoku.io.SudokuSerializer;
 
 public class ServerConnexion extends Connexion {
 
@@ -56,6 +59,9 @@ public class ServerConnexion extends Connexion {
 		}
 		this.server.broadcastPacket(new PlayerJoinPacket(player));
 		sendPacket(new ConnexionInfoPacket(player.getId()));
+		if (this.server.getGame().getGameState() == GameState.GameGoing) {
+			sendPacket(new StartGamePacket(SudokuSerializer.serializeSudoku(this.server.getGame().getDoku())));
+		}
 	}
 
 	@Override
@@ -91,4 +97,9 @@ public class ServerConnexion extends Connexion {
 		throw new UnsupportedOperationException("Unimplemented method 'visitPacketPlayerLeave'");
 	}
 
+	@Override
+	public void visitPacket(StartGamePacket packet) {
+		throw new UnsupportedOperationException("Unimplemented method 'visitPacketStartGame'");
+	}
+
 }