Create GameRunner API scaffolding

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

@@ -0,0 +1,5 @@
+package com.bartlomiejpluta.base.api.context;
+
+public interface Context {
+   void openMap(String mapUid);
+}

api/src/main/java/com/bartlomiejpluta/base/api/runner/GameRunner.java

@@ -0,0 +1,7 @@
+package com.bartlomiejpluta.base.api.runner;
+
+import com.bartlomiejpluta.base.api.context.Context;
+
+public interface GameRunner {
+   void init(Context context);
+}

editor/src/main/resources/java_templates/game_runner.ftl

@@ -1,5 +1,12 @@
 package ${package};
 
-public class ${className} {
+import com.bartlomiejpluta.base.api.runner.GameRunner;
+import com.bartlomiejpluta.base.api.context.Context;
 
+public class ${className} implements GameRunner {
+
+   @Override
+   public void init(Context context) {
+      throw new RuntimeException("Not implemented yet");
+   }
 }

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

@@ -1,6 +1,6 @@
 package com.bartlomiejpluta.base.game.logic;
 
-import com.bartlomiejpluta.base.core.error.AppException;
+import com.bartlomiejpluta.base.api.runner.GameRunner;
 import com.bartlomiejpluta.base.core.gl.object.texture.TextureManager;
 import com.bartlomiejpluta.base.core.gl.render.Renderer;
 import com.bartlomiejpluta.base.core.logic.GameLogic;
@@ -11,11 +11,14 @@ import com.bartlomiejpluta.base.core.util.mesh.MeshManager;
 import com.bartlomiejpluta.base.core.world.camera.Camera;
 import com.bartlomiejpluta.base.game.image.manager.ImageManager;
 import com.bartlomiejpluta.base.game.map.manager.MapManager;
-import com.bartlomiejpluta.base.game.map.model.GameMap;
+import com.bartlomiejpluta.base.game.project.loader.ClassLoader;
 import com.bartlomiejpluta.base.game.project.loader.ProjectLoader;
+import com.bartlomiejpluta.base.game.project.model.Project;
+import com.bartlomiejpluta.base.game.project.model.RenderableContext;
 import com.bartlomiejpluta.base.game.tileset.manager.TileSetManager;
 import com.bartlomiejpluta.base.game.world.entity.manager.EntityManager;
 import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
@@ -34,21 +37,26 @@ public class DefaultGameLogic implements GameLogic {
    private final FPSMonitor fpsMonitor;
    private final MapManager mapManager;
    private final ProjectLoader projectLoader;
+   private final ClassLoader classLoader;
+
+   private final RenderableContext context;
 
    private final Camera camera = new Camera();
 
-   private GameMap map;
+   private Project project;
+   private GameRunner runner;
 
+   @SneakyThrows
    @Override
    public void init(Window window) {
       log.info("Initializing game logic");
       renderer.init();
 
-      // Loading is not available right now, because no project is located in the resources
-      // projectLoader.loadProject();
-      // map = mapManager.getTheStartMapFromSomewhere() ...
+      project = projectLoader.loadProject();
+      var runnerClass = classLoader.<GameRunner>loadClass(project.getRunner());
+      runner = runnerClass.getConstructor().newInstance();
 
-      throw new AppException("TODO: Everything seems to be working fine. The game engine logic is not implemented yet though...");
+      runner.init(context);
    }
 
    @Override
@@ -63,7 +71,7 @@ public class DefaultGameLogic implements GameLogic {
 
    @Override
    public void render(Window window) {
-      renderer.render(window, camera, map);
+      renderer.render(window, camera, context);
    }
 
    @Override

game/src/main/java/com/bartlomiejpluta/base/game/project/loader/ClassLoader.java

@@ -0,0 +1,5 @@
+package com.bartlomiejpluta.base.game.project.loader;
+
+public interface ClassLoader {
+   <T> Class<T> loadClass(String className);
+}

game/src/main/java/com/bartlomiejpluta/base/game/project/loader/DefaultClassLoader.java

@@ -0,0 +1,18 @@
+package com.bartlomiejpluta.base.game.project.loader;
+
+import com.bartlomiejpluta.base.core.error.AppException;
+import org.springframework.stereotype.Component;
+
+@Component
+public class DefaultClassLoader implements ClassLoader {
+
+   @Override
+   @SuppressWarnings("unchecked")
+   public <T> Class<T> loadClass(String className) {
+      try {
+         return (Class<T>) getClass().getClassLoader().loadClass(className);
+      } catch (ClassNotFoundException e) {
+         throw new AppException(e);
+      }
+   }
+}

game/src/main/java/com/bartlomiejpluta/base/game/project/loader/DefaultProjectLoader.java

@@ -3,6 +3,7 @@ package com.bartlomiejpluta.base.game.project.loader;
 import com.bartlomiejpluta.base.game.image.manager.ImageManager;
 import com.bartlomiejpluta.base.game.map.manager.MapManager;
 import com.bartlomiejpluta.base.game.project.config.ProjectConfiguration;
+import com.bartlomiejpluta.base.game.project.model.Project;
 import com.bartlomiejpluta.base.game.project.serial.ProjectDeserializer;
 import com.bartlomiejpluta.base.game.tileset.manager.TileSetManager;
 import lombok.RequiredArgsConstructor;
@@ -19,11 +20,13 @@ public class DefaultProjectLoader implements ProjectLoader {
    private final ImageManager imageManager;
 
    @Override
-   public void loadProject() {
+   public Project loadProject() {
       var resource = DefaultProjectLoader.class.getResourceAsStream(configuration.projectFile(configuration.getMainFile()));
       var project = projectDeserializer.deserialize(resource);
       project.getTileSetAssets().forEach(tileSetManager::registerAsset);
       project.getMapAssets().forEach(mapManager::registerAsset);
       project.getImageAssets().forEach(imageManager::registerAsset);
+
+      return project;
    }
 }

game/src/main/java/com/bartlomiejpluta/base/game/project/loader/ProjectLoader.java

@@ -1,5 +1,7 @@
 package com.bartlomiejpluta.base.game.project.loader;
 
+import com.bartlomiejpluta.base.game.project.model.Project;
+
 public interface ProjectLoader {
-   void loadProject();
+   Project loadProject();
 }

game/src/main/java/com/bartlomiejpluta/base/game/project/model/RenderableContext.java

@@ -0,0 +1,50 @@
+package com.bartlomiejpluta.base.game.project.model;
+
+import com.bartlomiejpluta.base.api.context.Context;
+import com.bartlomiejpluta.base.core.gl.object.texture.TextureManager;
+import com.bartlomiejpluta.base.core.gl.render.Renderable;
+import com.bartlomiejpluta.base.core.gl.shader.manager.ShaderManager;
+import com.bartlomiejpluta.base.core.logic.Updatable;
+import com.bartlomiejpluta.base.core.ui.Window;
+import com.bartlomiejpluta.base.core.util.mesh.MeshManager;
+import com.bartlomiejpluta.base.core.world.camera.Camera;
+import com.bartlomiejpluta.base.game.image.manager.ImageManager;
+import com.bartlomiejpluta.base.game.map.manager.MapManager;
+import com.bartlomiejpluta.base.game.map.model.GameMap;
+import com.bartlomiejpluta.base.game.tileset.manager.TileSetManager;
+import com.bartlomiejpluta.base.game.world.entity.manager.EntityManager;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor(onConstructor = @__(@Autowired))
+public class RenderableContext implements Context, Updatable, Renderable {
+   private final TileSetManager tileSetManager;
+   private final MeshManager meshManager;
+   private final TextureManager textureManager;
+   private final EntityManager entityManager;
+   private final ImageManager imageManager;
+   private final MapManager mapManager;
+
+   private GameMap map;
+
+   @Override
+   public void openMap(String mapUid) {
+      map = mapManager.loadMap(mapUid);
+   }
+
+   @Override
+   public void update(float dt) {
+      if (map != null) {
+         map.update(dt);
+      }
+   }
+
+   @Override
+   public void render(Window window, Camera camera, ShaderManager shaderManager) {
+      if (map != null) {
+         map.render(window, camera, shaderManager);
+      }
+   }
+}