es.eucm.ead.engine.EngineApplicationListener.java Source code

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Here is the source code for es.eucm.ead.engine.EngineApplicationListener.java

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/**
 * eAdventure is a research project of the
 *    e-UCM research group.
 *
 *    Copyright 2005-2014 e-UCM research group.
 *
 *    You can access a list of all the contributors to eAdventure at:
 *          http://e-adventure.e-ucm.es/contributors
 *
 *    e-UCM is a research group of the Department of Software Engineering
 *          and Artificial Intelligence at the Complutense University of Madrid
 *          (School of Computer Science).
 *
 *          CL Profesor Jose Garcia Santesmases 9,
 *          28040 Madrid (Madrid), Spain.
 *
 *          For more info please visit:  <http://e-adventure.e-ucm.es> or
 *          <http://www.e-ucm.es>
 *
 * ****************************************************************************
 *
 *  This file is part of eAdventure
 *
 *      eAdventure is free software: you can redistribute it and/or modify
 *      it under the terms of the GNU Lesser General Public License as published by
 *      the Free Software Foundation, either version 3 of the License, or
 *      (at your option) any later version.
 *
 *      eAdventure 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 Lesser General Public License for more details.
 *
 *      You should have received a copy of the GNU Lesser General Public License
 *      along with eAdventure.  If not, see <http://www.gnu.org/licenses/>.
 */
package es.eucm.ead.engine;

import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.utils.Scaling;
import com.badlogic.gdx.utils.viewport.ScalingViewport;
import com.badlogic.gdx.utils.viewport.Viewport;
import es.eucm.ead.engine.assets.GameAssets.ImageUtils;
import es.eucm.ead.engine.assets.GameAssets;
import es.eucm.ead.engine.expressions.operators.OperationsFactory;
import es.eucm.ead.engine.variables.VariablesManager;

import java.util.HashMap;

public class EngineApplicationListener implements ApplicationListener {

    protected Stage stage;

    private GameLoop gameLoop;

    private GameAssets gameAssets;

    private ComponentLoader componentLoader;

    private GameLoader gameLoader;

    private DefaultGameView gameView;

    protected ImageUtils imageUtils;

    public EngineApplicationListener(ImageUtils imageUtils) {
        this.imageUtils = imageUtils;
    }

    @Override
    public void create() {
        // OpenGL settings
        ShaderProgram.pedantic = false;
        Gdx.gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

        gameLoop = new GameLoop();
        gameView = new DefaultGameView(gameLoop);

        gameAssets = new GameAssets(Gdx.files, imageUtils);

        Accessor accessor = new Accessor(new HashMap<String, Object>());
        OperationsFactory operationsFactory = new OperationsFactory(gameLoop, accessor, gameView);
        VariablesManager variablesManager = new VariablesManager(accessor, operationsFactory);

        componentLoader = new ComponentLoader(gameAssets, variablesManager);

        accessor.setComponentLoader(componentLoader);

        EntitiesLoader entitiesLoader = new EntitiesLoader(gameLoop, gameAssets, componentLoader);

        gameLoader = new GameLoader(gameAssets, entitiesLoader);

        DefaultEngineInitializer initializer = new DefaultEngineInitializer();
        initializer.init(gameAssets, gameLoop, entitiesLoader, gameView, variablesManager);

        stage = createStage();
        Gdx.input.setInputProcessor(stage);
        stage.getRoot().addActor(gameView);
        stage.setKeyboardFocus(gameView);
    }

    /**
     * Creates a Stage as in {@link Stage#Stage()}, but using
     * {@link PolygonSpriteBatch} instead of {@link SpriteBatch}
     * 
     * PolygonSpriteBatch must be used for
     * {@link es.eucm.ead.engine.components.renderers.SpineAnimationComponent}
     * to work properly.
     */
    protected Stage createStage() {
        Viewport viewport = new ScalingViewport(Scaling.stretch, Gdx.graphics.getWidth(), Gdx.graphics.getHeight(),
                new OrthographicCamera());
        PolygonSpriteBatch batch = new PolygonSpriteBatch();
        Stage newStage = new Stage(viewport, batch);
        return newStage;
    }

    public GameLoop getGameLoop() {
        return gameLoop;
    }

    public GameAssets getGameAssets() {
        return gameAssets;
    }

    public GameLoader getGameLoader() {
        return gameLoader;
    }

    public DefaultGameView getGameView() {
        return gameView;
    }

    /**
     * @return root stage for the whole game
     */
    public Stage getStage() {
        return stage;
    }

    @Override
    public void resize(int width, int height) {
        stage.getViewport().update(width, height, true);
    }

    @Override
    public void render() {
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
        // Load pending resources (if any) from disk
        gameAssets.update();
        // Process input
        stage.act();
        // Process systems
        gameLoop.update(Gdx.graphics.getDeltaTime());
        stage.draw();
    }

    @Override
    public void pause() {
    }

    @Override
    public void resume() {
    }

    @Override
    public void dispose() {
    }

}