GdxSpriteFactory.java

/*
 * This file is part of the Illarion project.
 *
 * Copyright © 2014 - Illarion e.V.
 *
 * Illarion is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Illarion 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.
 */
package org.illarion.engine.backend.gdx;

import org.illarion.engine.assets.SpriteFactory;
import org.illarion.engine.graphic.Sprite;
import org.illarion.engine.graphic.Texture;

import javax.annotation.Nonnull;

/**
 * This factory is used to create sprites that are used by libGDX.
 *
 * @author Martin Karing <nitram@illarion.org>
 */
class GdxSpriteFactory implements SpriteFactory {
    @Nonnull
    @Override
    public Sprite createSprite(
            @Nonnull Texture[] textures, int offsetX, int offsetY, float centerX, float centerY, boolean mirror) {
        GdxTexture[] gdxTextures = new GdxTexture[textures.length];
        for (int i = 0; i < textures.length; i++) {
            if (textures[i] instanceof GdxTexture) {
                gdxTextures[i] = (GdxTexture) textures[i];
            } else {
                throw new IllegalArgumentException("Invalid texture type.");
            }
        }
        return new GdxSprite(gdxTextures, offsetX, offsetY, centerX, centerY, mirror);
    }
}