de.bitbrain.craft.ui.widgets.StarLevelWidget.java Source code

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Here is the source code for de.bitbrain.craft.ui.widgets.StarLevelWidget.java

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/*
 * Craft - Crafting game for Android, PC and Browser.
 * Copyright (C) 2014 Miguel Gonzalez
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package de.bitbrain.craft.ui.widgets;

import aurelienribon.tweenengine.Tween;
import aurelienribon.tweenengine.TweenEquations;
import aurelienribon.tweenengine.TweenManager;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.scenes.scene2d.ui.Image;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.google.inject.Inject;

import de.bitbrain.craft.Assets;
import de.bitbrain.craft.animations.TweenAnimations.TweenType;
import de.bitbrain.craft.inject.SharedInjector;
import de.bitbrain.craft.ui.UIFactory;

/**
 * Dispays levels horizontally via stars
 *
 * @author Miguel Gonzalez <miguel-gonzalez@gmx.de>
 * @since 1.0
 * @version 1.0
 */
public class StarLevelWidget extends Table {

    private static final int STAR_SIZE = 16;

    @Inject
    private TweenManager tweenManager;

    private int level, max;

    public StarLevelWidget(int level, int max) {
        SharedInjector.get().injectMembers(this);
        setMaximum(max);
        setLevel(level);
    }

    public void setLevel(int level) {
        if (level > 0 && level <= max) {
            this.level = level;
            updateStars();
        }
    }

    public void setMaximum(int max) {
        if (max > 0) {
            if (this.level > max) {
                setLevel(max);
            }
            this.max = max;
            updateStars();
        }
    }

    private void updateStars() {
        clearChildren();
        for (int i = 0; i < max; ++i) {
            Image star = generateStar(i, i < level);
            add(star).padRight(7f).padTop(22f);
        }
    }

    private Image generateStar(int index, boolean active) {
        Color color = Assets.CLR_YELLOW_SAND.cpy();
        if (!active) {
            color = new Color(0f, 0f, 0f, 0.35f);
        }
        Image star = UIFactory.createImage(Assets.TEX_STAR, STAR_SIZE, STAR_SIZE, color);
        if (active) {
            star.getColor().a = 0f;
            Tween.to(star, TweenType.ALPHA.ordinal(), 0.4f).target(1f).ease(TweenEquations.easeInQuad)
                    .delay((index + 1) * 0.1f).start(tweenManager);
        }
        return star;
    }
}