at.therefactory.jewelthief.screens.GameIntroScreen.java Source code

Introduction

Here is the source code for at.therefactory.jewelthief.screens.GameIntroScreen.java

Source

/*
 * Copyright (C) 2016  Christian DeTamble
 *
 * This file is part of Jewel Thief.
 *
 * Jewel Thief 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.
 *
 * Jewel Thief 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 Jewel Thief.  If not, see <http://www.gnu.org/licenses/>.
 */

package at.therefactory.jewelthief.screens;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.ScreenAdapter;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.utils.viewport.FitViewport;

import at.therefactory.jewelthief.JewelThief;
import at.therefactory.jewelthief.constants.I18NKeys;

import static at.therefactory.jewelthief.constants.Config.FADING_SPEED;

public class GameIntroScreen extends ScreenAdapter {

    private final FitViewport viewport;
    private final OrthographicCamera camera;
    private final SpriteBatch batch;
    private final BitmapFont font;

    private float alpha;
    private boolean touched;

    public GameIntroScreen(SpriteBatch batch, FitViewport viewport, OrthographicCamera camera) {
        this.batch = batch;
        this.viewport = viewport;
        this.camera = camera;
        alpha = 1;
        touched = false;
        font = JewelThief.getInstance().getFont();
        font.setColor(Color.WHITE);
    }

    @Override
    public void render(float delta) {

        // clear the screen
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        // simulate world
        update(delta);

        // renderCaption world
        batch.setProjectionMatrix(camera.combined);
        batch.begin();

        font.draw(batch, JewelThief.getInstance().getBundle().get(I18NKeys.INTRO_TEXT), 40, 175);

        JewelThief.getInstance().getFadeSprite().setAlpha(alpha);
        JewelThief.getInstance().getFadeSprite().draw(batch);

        batch.end();
    }

    private void update(float delta) {
        if (Gdx.input.isTouched()) {
            touched = true;
        }
        if (touched && alpha == 1) {
            JewelThief.getInstance().startSinglePlayerGame();
        }
        if (touched)
            alpha = Math.min(1, alpha + FADING_SPEED);
        else
            alpha = Math.max(0, alpha - FADING_SPEED);
    }

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

    @Override
    public void show() {
        super.show();
        alpha = 1;
        touched = false;
        font.setColor(Color.WHITE);
        Gdx.input.setInputProcessor(null);
    }

}