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;
+	}
+
 }