ca.hiphiparray.amazingmaze.StoryScreen.java Source code

Introduction

Here is the source code for ca.hiphiparray.amazingmaze.StoryScreen.java

Source

/********************************************************************************
 * Amazing Maze is an educational game created in Java with the libGDX library.
 * Copyright (C) 2017 Hip Hip Array
 *
 * This file is part of Amazing Maze.
 *
 * Amazing Maze is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Amazing Maze is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Amazing Maze. If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package ca.hiphiparray.amazingmaze;

import java.io.InputStream;
import java.util.Scanner;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
import com.badlogic.gdx.utils.viewport.ScreenViewport;

import ca.hiphiparray.amazingmaze.MusicManager.Song;

/**
 * The screen that tells the background story.
 *
 * @since 0.3
 * @author Vincent Macri
 * <br>
 * Time (Vincent): 1 hour
 */
public class StoryScreen implements Screen {

    /** The {@link AmazingMazeGame} instance that is managing this screen. */
    private final AmazingMazeGame game;

    /** The stage for the story screen */
    private Stage stage;

    /** Table for the stage. */
    private Table table;

    /** The header label. */
    private Label header;

    /** The story label. */
    private Label storyLabel;

    /** The button to continue to the tutorial. */
    private TextButton continueButton;

    /**
     * Constructor for the story screen.
     *
     * @param game the {@link AmazingMazeGame} instance that is managing this screen.
     */
    public StoryScreen(final AmazingMazeGame game) {
        this.game = game;
        setupUI();
    }

    /** Helper method to setup the UI. */
    private void setupUI() {
        stage = new Stage(new ScreenViewport(), game.batch);

        table = new Table();
        table.top().center();
        table.setFillParent(true);
        stage.addActor(table);

        header = new Label("Story", game.assets.skin, Assets.SERIF_HEADER_STYLE);
        table.add(header).padTop(Gdx.graphics.getHeight() / 25f);

        storyLabel = new Label(readStory(), game.assets.skin, Assets.STORY_STYLE);
        storyLabel.setWrap(true);
        table.row();
        table.add(storyLabel).maxWidth(Gdx.graphics.getWidth()).prefWidth(Gdx.graphics.getWidth() / 1.125f)
                .pad(Gdx.graphics.getHeight() / 25f);

        continueButton = new TextButton("Continue...", game.assets.skin);
        continueButton.addListener(new ChangeListener() {
            @Override
            public void changed(ChangeEvent event, Actor actor) {
                if (continueButton.isPressed()) {
                    game.setScreen(new MazeScreen(game, false));
                }
            }
        });
        table.row();
        table.add(continueButton).width(Gdx.graphics.getWidth() / 4f).pad(Gdx.graphics.getHeight() / 25f).expandY()
                .bottom().fillY();
    }

    /**
     * Helper method to read the game story.
     *
     * @return the story as a string.
     */
    private String readStory() {
        try {
            InputStream input = Gdx.files.internal("story/story.txt").read();

            Scanner s = new Scanner(input);

            String story = s.nextLine();

            while (s.hasNextLine()) {
                story += "\n" + s.nextLine();
            }

            s.close();
            return story;
        } catch (Exception e) {
            e.printStackTrace();
            return "Error loading story";
        }
    }

    @Override
    public void show() {
        Gdx.input.setInputProcessor(stage);
        Gdx.input.setCursorCatched(false);
        game.music.setSong(Song.STORY);
    }

    @Override
    public void render(float delta) {
        Gdx.gl.glClearColor(1, 1, 1, 1);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        stage.act(delta);
        stage.draw();
    }

    @Override
    public void resize(int width, int height) {
    }

    @Override
    public void pause() {
    }

    @Override
    public void resume() {
    }

    @Override
    public void hide() {
    }

    @Override
    public void dispose() {
        stage.dispose();
    }
}