App.java

package lab;

import java.io.IOException;
import java.net.URL;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;

/**
 * Class <b>App</b> - extends class Application and it is an entry point of the
 * program
 * 
 * @author Java I
 */
public class App extends Application {

	private GameController gameController;
	
	private Stage primaryStage;
	
	public static void main(String[] args) {
		launch(args);
	}

	@Override
	public void start(Stage primaryStage) {
		try {
			this.primaryStage = primaryStage;
			switchToMenu();
			primaryStage.resizableProperty().set(false);
			primaryStage.setTitle("Java 1 - 1th laboratory");
			primaryStage.show();
			// Exit program when main window is closed
			primaryStage.setOnCloseRequest(this::exitProgram);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public void switchToGame(String name, int numberOfMonsters) throws IOException {
		// Construct a main window with a canvas.
		FXMLLoader gameLoader = new FXMLLoader(getClass().getResource("/lab/gameWindow.fxml"));
		Parent root = gameLoader.load();
		gameController = gameLoader.getController();
		Scene scene = new Scene(root);
		URL cssUrl = getClass().getResource("application.css");
		scene.getStylesheets().add(cssUrl.toString());
		primaryStage.setScene(scene);
		gameController.startGame(name, numberOfMonsters);
	}
	private void switchToMenu() throws IOException {
		// Construct a main window with a canvas.
		FXMLLoader menuLoader = new FXMLLoader(getClass().getResource("/lab/mainScreen.fxml"));
		Parent root = menuLoader.load();
		MainScreenController menuController = menuLoader.getController();
		menuController.setApp(this);
		Scene scene = new Scene(root);
		URL cssUrl = getClass().getResource("application.css");
		scene.getStylesheets().add(cssUrl.toString());
		primaryStage.setScene(scene);
	}

	@Override
	public void stop() throws Exception {
		if(gameController != null) {
			gameController.stop();
		}
		super.stop();
	}

	private void exitProgram(WindowEvent evt) {
		System.exit(0);
	}
}