game management and factory

server/src/main/java/org/schlunzis/kurtama/server/game/Game.java

@@ -0,0 +1,16 @@
+package org.schlunzis.kurtama.server.game;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.schlunzis.kurtama.server.game.model.SquareGameState;
+
+import java.util.UUID;
+
+@Getter
+@RequiredArgsConstructor
+public class Game {
+
+    private final UUID id;
+    private final SquareGameState gameState;
+
+}

server/src/main/java/org/schlunzis/kurtama/server/game/GameManagement.java

@@ -0,0 +1,31 @@
+package org.schlunzis.kurtama.server.game;
+
+import lombok.RequiredArgsConstructor;
+import org.schlunzis.kurtama.common.game.GameSettings;
+import org.springframework.stereotype.Component;
+
+import java.util.UUID;
+
+@Component
+@RequiredArgsConstructor
+public class GameManagement {
+
+    private final GameStore gameStore;
+
+    public Game createGame(GameSettings gameSettings) {
+        return gameStore.create(gameSettings);
+    }
+
+    public void removeGame(Game game) {
+        gameStore.remove(game.getId());
+    }
+
+    public void removeGame(UUID id) {
+        gameStore.remove(id);
+    }
+
+    public Game getGame(UUID id) {
+        return gameStore.get(id).orElseThrow();
+    }
+
+}

server/src/main/java/org/schlunzis/kurtama/server/game/GameService.java

@@ -1,30 +1,30 @@
 package org.schlunzis.kurtama.server.game;
 
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.schlunzis.kurtama.common.game.GameSettings;
 import org.schlunzis.kurtama.common.messages.game.client.StartGameRequest;
 import org.schlunzis.kurtama.common.messages.game.server.GameStartedMessage;
 import org.schlunzis.kurtama.server.game.model.SquareGameState;
-import org.schlunzis.kurtama.server.game.model.SquareTerrain;
 import org.schlunzis.kurtama.server.service.ClientMessageContext;
 import org.springframework.context.event.EventListener;
 import org.springframework.stereotype.Component;
 
-import java.util.Collections;
-
 @Slf4j
 @Component
+@RequiredArgsConstructor
 public class GameService {
 
+    private final GameManagement gameManagement;
+
     @EventListener
     public void onStartGameRequest(ClientMessageContext<StartGameRequest> cmc) {
         StartGameRequest request = cmc.getClientMessage();
         GameSettings gameSettings = request.gameSettings();
         log.info("Starting game with settings: {}", gameSettings);
 
-        SquareTerrainFactory squareTerrainFactory = new SquareTerrainFactory(gameSettings);
-        SquareTerrain terrain = (SquareTerrain) squareTerrainFactory.create();
-        SquareGameState gameState = new SquareGameState(terrain, Collections.emptyList());
+        Game game = gameManagement.createGame(gameSettings);
+        SquareGameState gameState = game.getGameState();
 
         cmc.respond(new GameStartedMessage(gameState.toDTO()));
         cmc.close();

server/src/main/java/org/schlunzis/kurtama/server/game/GameStore.java

@@ -0,0 +1,44 @@
+package org.schlunzis.kurtama.server.game;
+
+import lombok.RequiredArgsConstructor;
+import org.schlunzis.kurtama.common.game.GameSettings;
+import org.springframework.stereotype.Component;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+
+@Component
+@RequiredArgsConstructor
+public class GameStore {
+
+    private final Map<UUID, Game> gameMap = new ConcurrentHashMap<>();
+    private final IGameFactory gameFactory;
+
+    public Game create(GameSettings gameSettings) {
+        UUID uuid;
+        do {
+            uuid = UUID.randomUUID();
+        } while (gameMap.containsKey(uuid));
+
+        Game game = gameFactory.create(uuid, gameSettings);
+        gameMap.put(uuid, game);
+        return game;
+    }
+
+    public boolean remove(UUID uuid) {
+        return gameMap.remove(uuid) != null;
+    }
+
+    public Optional<Game> get(UUID uuid) {
+        return Optional.ofNullable(gameMap.get(uuid));
+    }
+
+    public Collection<Game> getAll() {
+        return gameMap.values();
+    }
+
+}

server/src/main/java/org/schlunzis/kurtama/server/game/IGameFactory.java

@@ -0,0 +1,9 @@
+package org.schlunzis.kurtama.server.game;
+
+import org.schlunzis.kurtama.common.game.GameSettings;
+
+import java.util.UUID;
+
+public interface IGameFactory {
+    Game create(UUID uuid, GameSettings gameSettings);
+}

server/src/main/java/org/schlunzis/kurtama/server/game/SquareGameFactory.java

@@ -0,0 +1,25 @@
+package org.schlunzis.kurtama.server.game;
+
+import org.schlunzis.kurtama.common.game.GameSettings;
+import org.schlunzis.kurtama.server.game.model.SquareGameState;
+import org.schlunzis.kurtama.server.game.model.SquareTerrain;
+import org.springframework.stereotype.Component;
+
+import java.util.Collections;
+import java.util.UUID;
+
+@Component
+public class SquareGameFactory implements IGameFactory {
+
+    @Override
+    public Game create(UUID id, GameSettings gameSettings) {
+        SquareGameState gameState = createGameState(gameSettings);
+        return new Game(id, gameState);
+    }
+
+    private SquareGameState createGameState(GameSettings gameSettings) {
+        SquareTerrainFactory terrainFactory = new SquareTerrainFactory(gameSettings);
+        return new SquareGameState((SquareTerrain) terrainFactory.create(), Collections.emptyList());
+    }
+
+}