com.jumpbuttonstudios.vikingdodge.screens.LoadingScreen.java Source code

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Here is the source code for com.jumpbuttonstudios.vikingdodge.screens.LoadingScreen.java

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/**
 * Copyright 2014 Jump Button Studios
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
    
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.jumpbuttonstudios.vikingdodge.screens;

import com.badlogic.gdx.Screen;
import com.badlogic.gdx.utils.TimeUtils;
import com.gibbo.gameutil.time.TimeConversion;
import com.jumpbuttonstudios.vikingdodge.Assets;
import com.jumpbuttonstudios.vikingdodge.VikingDodge;

/**
 * A simple loading screen, here we can load all the assets ready to be used in
 * the game
 * 
 * @author Stephen Gibson
 */
public class LoadingScreen implements Screen {

    /** Instance of the game */
    VikingDodge vikingDodge;

    /** The total percentage of loading */
    public static float percentageLoaded;

    /** Time to wait after loading before starting move out animation */
    double waitTime = TimeConversion.secondToNanos(0.5f);

    /** If the game can actually load assets, this is true when the widgets have animated into position*/
    public boolean canLoad = false;

    /** The time we finished loading assets at */
    double finishTime;

    /**
     * If we can change the screen, set when the animation as finished, assets
     * are loaded and we have waited the allocated time
     */
    boolean canChangeScreen = false;

    public LoadingScreen(VikingDodge vikingDodge) {
        this.vikingDodge = vikingDodge;

        /*
         * Load the BG, logo and font in first so we can display a loading
         * screen
         */
        Assets.manager.load(Assets.MUSIC_MENU);
        Assets.manager.load(Assets.UI_MENU_BG);
        Assets.manager.load(Assets.UI_WIDGET_LOGO);
        Assets.manager.load(Assets.UI_FONT);
        /* Force manager to load assets before continuing */
        Assets.manager.finishLoading();

        /* Play the initial track */
        vikingDodge.getSoundManager().playTrack(Assets.get(Assets.MUSIC_MENU));
        /* Load loading screen ui */
        Assets.loadingScreenUIDependencies();

        /* Load all the assets */
        Assets.load();

        /* Change to loading screen UI */
        vikingDodge.getUi().changeLayout(vikingDodge.getUi().getLoadingScreenLayout());

    }

    @Override
    public void render(float delta) {

        /* Get the progress and multiple it by 100 to get a value of 0-100% */
        percentageLoaded = Assets.manager.getProgress() * 100;

        /* Update the UI */
        vikingDodge.getUi().act(delta);
        /* Draw the UI */
        vikingDodge.getUi().draw();

        /* Load all the stuffz */
        if (canLoad)
            if (Assets.manager.update()) {
                /* Load the UI using loaded assets */
                if (!Assets.uiLoaded)
                    Assets.loadUI();
                if (!vikingDodge.getUi().getLoadingScreenLayout().actorsMovingOut) {
                    if (TimeUtils.nanoTime() - finishTime > waitTime) {
                        vikingDodge.getUi().getLoadingScreenLayout().addMoveOutAction();
                        canChangeScreen = true;
                    }
                    /* Change to a new GameScreen once loading as finished */
                }
                if (vikingDodge.getUi().getLoadingScreenLayout().movedOut() && canChangeScreen)
                    vikingDodge.setScreen(new MainMenuScreen(vikingDodge));

            } else {
                finishTime = TimeUtils.nanoTime();
            }

    }

    @Override
    public void resize(int width, int height) {
        // cam.setToOrtho(false, width, height);
    }

    @Override
    public void show() {

    }

    @Override
    public void hide() {
    }

    @Override
    public void pause() {

    }

    @Override
    public void resume() {

    }

    @Override
    public void dispose() {

    }

}