Move the Context creation to the App engine starting point | change GLFW Window title to project name

api/src/main/java/com/bartlomiejpluta/base/api/game/context/Context.java

@@ -6,14 +6,19 @@ import com.bartlomiejpluta.base.api.game.gui.base.GUI;
 import com.bartlomiejpluta.base.api.game.image.Image;
 import com.bartlomiejpluta.base.api.game.runner.GameRunner;
 import com.bartlomiejpluta.base.api.game.screen.Screen;
+import com.bartlomiejpluta.base.api.internal.gc.Disposable;
+import com.bartlomiejpluta.base.api.internal.logic.Updatable;
+import com.bartlomiejpluta.base.api.internal.render.Renderable;
 
-public interface Context {
+public interface Context extends Updatable, Renderable, Disposable {
    GameRunner getGameRunner();
 
    Screen getScreen();
 
    Camera getCamera();
 
+   String getProjectName();
+
    void openMap(String mapUid);
 
    Entity createEntity(String entitySetUid);
@@ -21,4 +26,8 @@ public interface Context {
    Image getImage(String imageUid);
 
    GUI newGUI();
+
+   void init(Screen screen, Camera camera);
+
+   void input(Screen screen);
 }

engine/src/main/java/com/bartlomiejpluta/base/engine/App.java

@@ -4,6 +4,7 @@
 package com.bartlomiejpluta.base.engine;
 
 import com.bartlomiejpluta.base.engine.core.engine.GameEngine;
+import com.bartlomiejpluta.base.engine.project.model.ContextManager;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -16,15 +17,19 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 @SpringBootApplication(scanBasePackages = "com.bartlomiejpluta.base")
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
 public class App implements ApplicationRunner {
-    private final GameEngine gameEngine;
+   private final GameEngine gameEngine;
+   private final ContextManager contextManager;
 
-    @Override
+   @Override
-    public void run(ApplicationArguments args) {
+   public void run(ApplicationArguments args) {
-        log.info("Starting game engine");
+      log.info("Creating context");
-        gameEngine.start();
+      var context = contextManager.createContext();
-    }
 
-    public static void main(String[] args) {
+      log.info("Starting game engine");
-        SpringApplication.run(App.class, args);
+      gameEngine.start(context);
-    }
+   }
+
+   public static void main(String[] args) {
+      SpringApplication.run(App.class, args);
+   }
 }

engine/src/main/java/com/bartlomiejpluta/base/engine/core/engine/DefaultGameEngine.java

@@ -1,53 +1,38 @@
 package com.bartlomiejpluta.base.engine.core.engine;
 
+import com.bartlomiejpluta.base.api.game.context.Context;
 import com.bartlomiejpluta.base.api.game.screen.Screen;
 import com.bartlomiejpluta.base.engine.gc.OffHeapGarbageCollector;
 import com.bartlomiejpluta.base.engine.logic.GameLogic;
 import com.bartlomiejpluta.base.engine.thread.ThreadManager;
 import com.bartlomiejpluta.base.engine.time.ChronoMeter;
 import com.bartlomiejpluta.base.engine.ui.ScreenManager;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 @Slf4j
 @Component
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
 public class DefaultGameEngine implements GameEngine {
-   private static final String THREAD_NAME = "Game Main Thread";
+   private static final String THREAD_NAME = "engine";
 
    private final ScreenManager screenManager;
    private final ThreadManager threadManager;
    private final GameLogic logic;
    private final OffHeapGarbageCollector garbageCollector;
 
-   private final Thread thread;
+   private final ChronoMeter chrono = new ChronoMeter();
-   private final Screen screen;
+
-   private final ChronoMeter chrono;
+   private Thread thread;
-   private final int targetUps;
+   private Screen screen;
+   private int targetUps;
+
+   private Context context;
 
    private boolean running = false;
 
-   @Autowired
-   public DefaultGameEngine(ScreenManager screenManager,
-                            ThreadManager threadManager,
-                            GameLogic logic,
-                            OffHeapGarbageCollector garbageCollector,
-                            @Value("${app.window.title}") String title,
-                            @Value("${app.window.width}") int width,
-                            @Value("${app.window.height}") int height,
-                            @Value("${app.core.targetUps}") int targetUps) {
-      this.screenManager = screenManager;
-      this.threadManager = threadManager;
-      this.logic = logic;
-      this.garbageCollector = garbageCollector;
-
-      this.screen = screenManager.createScreen(title, width, height);
-      this.thread = threadManager.createThread(THREAD_NAME, this::run);
-      this.chrono = new ChronoMeter();
-      this.targetUps = targetUps;
-   }
-
    private void run() {
       try {
          init();
@@ -61,7 +46,7 @@ public class DefaultGameEngine implements GameEngine {
       log.info("Initializing game engine");
       screen.init();
       chrono.init();
-      logic.init(screen);
+      logic.init(screen, context);
    }
 
    private void loop() {
@@ -102,10 +87,34 @@ public class DefaultGameEngine implements GameEngine {
    private void cleanUp() {
       log.info("Performing off heap garbage collection");
       garbageCollector.cleanUp();
+
+      log.info("Disposing context");
+      context.dispose();
    }
 
    @Override
-   public void start() {
+   public void start(Context context) {
+      this.context = context;
+
+      this.screen = screenManager.createScreen(context.getProjectName(), WINDOW_WIDTH, WINDOW_HEIGHT);
+      this.thread = threadManager.createThread(THREAD_NAME, this::run);
+
+      this.targetUps = TARGET_UPS;
+
+      log.info("Starting [{}] thread", THREAD_NAME);
       thread.start();
    }
+
+   // TODO
+   // It is supposed to be moved to the Context so that
+   // user will be able to choose default window size,
+   // as well as further possibility to resize the window
+   // or forcing fullscreen mode.
+   // Until it's not implemented yet, the window width and height
+   // are hardcoded right here.
+   //
+   // The same applies for target UPS (updates per second) parameter.
+   private static final int WINDOW_WIDTH = 640;
+   private static final int WINDOW_HEIGHT = 480;
+   private static final int TARGET_UPS = 60;
 }

engine/src/main/java/com/bartlomiejpluta/base/engine/core/engine/GameEngine.java

@@ -1,5 +1,7 @@
 package com.bartlomiejpluta.base.engine.core.engine;
 
+import com.bartlomiejpluta.base.api.game.context.Context;
+
 public interface GameEngine {
-   void start();
+   void start(Context context);
 }

engine/src/main/java/com/bartlomiejpluta/base/engine/logic/DefaultGameLogic.java

@@ -1,11 +1,9 @@
 package com.bartlomiejpluta.base.engine.logic;
 
 import com.bartlomiejpluta.base.api.game.camera.Camera;
+import com.bartlomiejpluta.base.api.game.context.Context;
 import com.bartlomiejpluta.base.api.game.screen.Screen;
 import com.bartlomiejpluta.base.engine.core.gl.render.Renderer;
-import com.bartlomiejpluta.base.engine.project.loader.ProjectLoader;
-import com.bartlomiejpluta.base.engine.project.model.Project;
-import com.bartlomiejpluta.base.engine.project.model.RenderableContext;
 import com.bartlomiejpluta.base.engine.world.camera.DefaultCamera;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -17,18 +15,19 @@ import org.springframework.stereotype.Component;
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
 public class DefaultGameLogic implements GameLogic {
    private final Renderer renderer;
-   private final ProjectLoader projectLoader;
-   private final RenderableContext context;
    private final Camera camera = new DefaultCamera();
 
+   private Context context;
+
    @Override
-   public void init(Screen screen) {
+   public void init(Screen screen, Context context) {
+      this.context = context;
+
       log.info("Initializing game logic");
       renderer.init();
 
-      Project project = projectLoader.loadProject();
+      log.info("Initializing game context");
-
+      context.init(screen, camera);
-      context.init(screen, camera, project);
    }
 
    @Override

engine/src/main/java/com/bartlomiejpluta/base/engine/logic/GameLogic.java

@@ -1,10 +1,11 @@
 package com.bartlomiejpluta.base.engine.logic;
 
+import com.bartlomiejpluta.base.api.game.context.Context;
 import com.bartlomiejpluta.base.api.game.screen.Screen;
 import com.bartlomiejpluta.base.api.internal.gc.Cleanable;
 
 public interface GameLogic extends Cleanable {
-   void init(Screen screen);
+   void init(Screen screen, Context context);
 
    void input(Screen screen);
 

engine/src/main/java/com/bartlomiejpluta/base/engine/project/model/ContextManager.java

@@ -0,0 +1,7 @@
+package com.bartlomiejpluta.base.engine.project.model;
+
+import com.bartlomiejpluta.base.api.game.context.Context;
+
+public interface ContextManager {
+   Context createContext();
+}

engine/src/main/java/com/bartlomiejpluta/base/engine/project/model/DefaultContext.java

@@ -8,68 +8,73 @@ import com.bartlomiejpluta.base.api.game.image.Image;
 import com.bartlomiejpluta.base.api.game.map.handler.MapHandler;
 import com.bartlomiejpluta.base.api.game.runner.GameRunner;
 import com.bartlomiejpluta.base.api.game.screen.Screen;
-import com.bartlomiejpluta.base.api.internal.gc.Cleanable;
-import com.bartlomiejpluta.base.api.internal.logic.Updatable;
-import com.bartlomiejpluta.base.api.internal.render.Renderable;
 import com.bartlomiejpluta.base.api.internal.render.ShaderManager;
+import com.bartlomiejpluta.base.engine.core.engine.GameEngine;
 import com.bartlomiejpluta.base.engine.gui.manager.FontManager;
 import com.bartlomiejpluta.base.engine.gui.render.NanoVGGUI;
-import com.bartlomiejpluta.base.engine.project.loader.ClassLoader;
 import com.bartlomiejpluta.base.engine.world.entity.manager.EntityManager;
 import com.bartlomiejpluta.base.engine.world.image.manager.ImageManager;
 import com.bartlomiejpluta.base.engine.world.map.manager.MapManager;
 import com.bartlomiejpluta.base.engine.world.map.model.DefaultGameMap;
+import lombok.Builder;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
+import lombok.NonNull;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
 
 import java.util.LinkedList;
 import java.util.List;
 
 @Slf4j
-@Component
+@Builder
-@RequiredArgsConstructor(onConstructor = @__(@Autowired))
+public class DefaultContext implements Context {
-public class RenderableContext implements Context, Updatable, Renderable, Cleanable {
+
+   @NonNull
+   private final GameEngine engine;
+
+   @NonNull
    private final EntityManager entityManager;
+
+   @NonNull
    private final ImageManager imageManager;
+
+   @NonNull
    private final MapManager mapManager;
+
+   @NonNull
    private final FontManager fontManager;
-   private final ClassLoader classLoader;
+
+   @Getter
+   @NonNull
+   private final GameRunner gameRunner;
+
+   @Getter
+   @NonNull
+   private final String projectName;
 
    @Getter
    private Screen screen;
 
-   @Getter
-   private GameRunner gameRunner;
-
    @Getter
    private Camera camera;
 
-   private Project project;
    private DefaultGameMap map;
    private MapHandler mapHandler;
 
    private final List<GUI> guis = new LinkedList<>();
 
    @SneakyThrows
-   public void init(Screen screen, Camera camera, Project project) {
+   @Override
-      log.info("Initializing game context");
+   public void init(@NonNull Screen screen, @NonNull Camera camera) {
       this.screen = screen;
       this.camera = camera;
-      this.project = project;
-
-      var runnerClass = classLoader.<GameRunner>loadClass(project.getRunner());
-      gameRunner = runnerClass.getConstructor().newInstance();
 
       gameRunner.init(this);
    }
 
    @SneakyThrows
    @Override
-   public void openMap(String mapUid) {
+   public void openMap(@NonNull String mapUid) {
       map = mapManager.loadObject(mapUid);
       mapHandler = mapManager.loadHandler(this, mapUid);
 
@@ -77,13 +82,13 @@ public class RenderableContext implements Context, Updatable, Renderable, Cleana
    }
 
    @Override
-   public Entity createEntity(String entitySetUid) {
+   public Entity createEntity(@NonNull String entitySetUid) {
       log.info("Creating new entity with UID: [{}]", entitySetUid);
       return entityManager.createEntity(entitySetUid);
    }
 
    @Override
-   public Image getImage(String imageUid) {
+   public Image getImage(@NonNull String imageUid) {
       return imageManager.loadObject(imageUid);
    }
 
@@ -96,6 +101,7 @@ public class RenderableContext implements Context, Updatable, Renderable, Cleana
       return gui;
    }
 
+   @Override
    public void input(Screen screen) {
       gameRunner.input(screen);
 
@@ -133,11 +139,11 @@ public class RenderableContext implements Context, Updatable, Renderable, Cleana
    }
 
    @Override
-   public void cleanUp() {
+   public void dispose() {
-      log.info("Disposing game runner");
-      gameRunner.dispose();
-
       log.info("Disposing GUIs");
       guis.forEach(GUI::dispose);
+
+      log.info("Disposing game runner");
+      gameRunner.dispose();
    }
 }

engine/src/main/java/com/bartlomiejpluta/base/engine/project/model/DefaultContextManager.java

@@ -0,0 +1,65 @@
+package com.bartlomiejpluta.base.engine.project.model;
+
+import com.bartlomiejpluta.base.api.game.context.Context;
+import com.bartlomiejpluta.base.api.game.runner.GameRunner;
+import com.bartlomiejpluta.base.engine.core.engine.GameEngine;
+import com.bartlomiejpluta.base.engine.gui.manager.FontManager;
+import com.bartlomiejpluta.base.engine.project.config.ProjectConfiguration;
+import com.bartlomiejpluta.base.engine.project.loader.ClassLoader;
+import com.bartlomiejpluta.base.engine.project.serial.ProjectDeserializer;
+import com.bartlomiejpluta.base.engine.world.entity.manager.EntityManager;
+import com.bartlomiejpluta.base.engine.world.entity.manager.EntitySetManager;
+import com.bartlomiejpluta.base.engine.world.image.manager.ImageManager;
+import com.bartlomiejpluta.base.engine.world.map.manager.MapManager;
+import com.bartlomiejpluta.base.engine.world.tileset.manager.TileSetManager;
+import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
+public class DefaultContextManager implements ContextManager {
+   private final GameEngine engine;
+   private final ProjectConfiguration configuration;
+   private final ProjectDeserializer projectDeserializer;
+   private final TileSetManager tileSetManager;
+   private final MapManager mapManager;
+   private final ImageManager imageManager;
+   private final EntitySetManager entitySetManager;
+   private final FontManager fontManager;
+   private final EntityManager entityManager;
+   private final ClassLoader classLoader;
+
+   @SneakyThrows
+   @Override
+   public Context createContext() {
+      log.info("Deserializing project file");
+      var resource = DefaultContextManager.class.getResourceAsStream(configuration.projectFile(configuration.getMainFile()));
+      var project = projectDeserializer.deserialize(resource);
+
+      log.info("Registering project assets");
+      project.getTileSetAssets().forEach(tileSetManager::registerAsset);
+      project.getMapAssets().forEach(mapManager::registerAsset);
+      project.getImageAssets().forEach(imageManager::registerAsset);
+      project.getEntitySetAssets().forEach(entitySetManager::registerAsset);
+      project.getFontAssets().forEach(fontManager::registerAsset);
+
+      log.info("Creating game runner instance");
+      var runnerClass = classLoader.<GameRunner>loadClass(project.getRunner());
+      var gameRunner = runnerClass.getConstructor().newInstance();
+
+      log.info("Building context up");
+      return DefaultContext.builder()
+            .engine(engine)
+            .entityManager(entityManager)
+            .imageManager(imageManager)
+            .mapManager(mapManager)
+            .fontManager(fontManager)
+            .gameRunner(gameRunner)
+            .projectName(project.getName())
+            .build();
+   }
+}

engine/src/main/java/com/bartlomiejpluta/base/engine/thread/ThreadManager.java

@@ -1,10 +1,13 @@
 package com.bartlomiejpluta.base.engine.thread;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
+@Slf4j
 @Component
 public class ThreadManager {
    public Thread createThread(String name, Runnable runnable) {
+      log.info("Creating [{}] thread", name);
       return new Thread(runnable, name);
    }
 }

engine/src/main/java/com/bartlomiejpluta/base/engine/ui/ScreenManager.java

@@ -1,11 +1,14 @@
 package com.bartlomiejpluta.base.engine.ui;
 
 import com.bartlomiejpluta.base.api.game.screen.Screen;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
+@Slf4j
 @Component
 public class ScreenManager {
    public Screen createScreen(String title, int width, int height) {
+      log.info("Creating GLFW window ([{}], {}x{})", title, width, height);
       return GLFWScreen.create(title, width, height);
    }
 }

engine/src/main/resources/application.yml

@@ -1,12 +1,4 @@
 app:
-  window:
-    title: "Simple Game"
-    width: 640
-    height: 480
-
-  core:
-    targetUps: 50 # Updates per second
-
   project:
     main-file: project.bep
     resource-path: /project
@@ -23,9 +15,4 @@ app:
         down: 0
         left: 1
         right: 2
-        up: 3
+        up: 3
-
-
-logging:
-  level:
-    com.bartlomiejpluta.base.core.profiling.time.aspect.ExecutionTimeAspect: DEBUG