ac.uk.dmu.ash.game.screen.CreditsScreen.java Source code

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Here is the source code for ac.uk.dmu.ash.game.screen.CreditsScreen.java

Source

package ac.uk.dmu.ash.game.screen;

import ac.uk.dmu.ash.game.assets.AssetManager;
import com.badlogic.gdx.Game;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
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.Align;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;

/**
 * The credits screen containing author and publisher information.
 * @author Michael
 */
public final class CreditsScreen extends GameScreen {

    /**
     * The credits.
     */
    private final static String CREDITS = "Programming and story by Michael Bull.\n" + "All rights reserved.\n"
            + "\n" + "\n" + "Licensed code supplied by Graham Edgecombe\n" + "(files marked with @author Graham).\n"
            + "\n" + "\n" + "Gson libraries supplied by Google Inc covered by\n" + "the Apache license.\n" + "\n"
            + "\n" + "See the LICENSE file included with this release\n" + "for more details.";

    /**
     * The game assets.
     */
    private final AssetManager assets;

    /**
     * The fps indicator label.
     */
    private final Label fpsLabel;

    /**
     * The sprite batch.
     */
    private final SpriteBatch spriteBatch = new SpriteBatch();

    /**
     * The scene 2d stage.
     */
    private final Stage stage = new Stage();

    /**
     * Creates a new {@link CreditsScreen}.
     * @param game The game instance.
     * @param assets The game assets
     */
    public CreditsScreen(final Game game, final AssetManager assets) {
        this.assets = assets;

        Gdx.input.setInputProcessor(stage);

        Table fpsTable = createTableWithLabel(assets, "ui_skin", Align.left, (Align.top | Align.left), "fps:");
        fpsLabel = (Label) fpsTable.getCells().get(0).getWidget();
        stage.addActor(fpsTable);

        Table creditsTable = createTableWithLabel(assets, "ui_skin", CREDITS);
        stage.addActor(creditsTable);

        TextButton backButton = createTextButton(assets, "ui_skin", "Back", new ClickListener() {
            @Override
            public void clicked(InputEvent event, float x, float y) {
                dispose();
                game.setScreen(new MainMenuScreen(game, assets));
            }
        });

        Table buttonsTable = createTable(Align.left | Align.bottom);
        buttonsTable.add(backButton);
        stage.addActor(buttonsTable);
    }

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

        fpsLabel.setText("fps: " + Gdx.graphics.getFramesPerSecond());

        spriteBatch.begin();
        drawTextureCentre(assets, spriteBatch, "background", 0, 0);
        spriteBatch.end();

        stage.act(Gdx.graphics.getDeltaTime());
        stage.draw();

        //      Table.drawDebug(stage); // adds coloured outline to cells within the tables that are in the stage
    }

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

}