AssetsManager.java

package com.hmack.hammerize.utils;

import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.graphics.g2d.Animation;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.graphics.g2d.TextureRegion;

import java.util.HashMap;

/**
 * Created by marius on 26-Jan-16.
 */
public class AssetsManager {

    private static AssetsManager instance = new AssetsManager();
    private HashMap<String, TextureRegion> textureMap = new HashMap<String, TextureRegion>();
    private HashMap<String, Animation> animationMap = new HashMap<String, Animation>();
    private TextureAtlas textureAtlas;
    private AssetManager manager;

    private AssetsManager() {
        if (manager == null) {
            manager = new AssetManager();
        }
    }

    public static AssetsManager getInstance() {
        return instance;
    }

    private static Animation createAnimation(TextureAtlas textureAtlas, String[] regionNames) {

        TextureRegion[] frames = new TextureRegion[regionNames.length];

        for (int i = 0; i < regionNames.length; i++) {
            String path = regionNames[i];
            frames[i] = textureAtlas.findRegion(path);
        }

        return new Animation(0.1f, frames);
    }

    public void loadAssets() {
        manager = new AssetManager();

        manager.load("sprites.atlas", TextureAtlas.class);
    }

    private void getTexturesAndAnimations() {
        textureAtlas = manager.get(Constants.SPRITES_ATLAS_PATH, TextureAtlas.class);

        String[] firstAnimation = {"FILENAME_WITHOUT_ENDING_0", "FILENAME_WITHOUT_ENDING_1"};
        animationMap.put("KEY_RELATED_TO_FIRST_ANIMATION", createAnimation(textureAtlas, firstAnimation));
    }

    public TextureAtlas getTextureAtlas() {
        return textureAtlas;
    }

    public Animation getAnimation(String key) {
        return animationMap.get(key);
    }

    public TextureRegion getTextureRegion(String key) {
        return textureMap.get(key);
    }

    public AssetManager getManager() {
        return manager;
    }

    public void dispose() {
        textureMap.clear();
        animationMap.clear();
        textureAtlas.dispose();
        manager.dispose();
    }
}