/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* 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.badlogic.gdx.assets.loaders;
import com.badlogic.gdx.assets.AssetDescriptor;
import com.badlogic.gdx.assets.AssetLoaderParameters;
import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.g2d.ParticleEffect;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.utils.Array;
/** {@link AssetLoader} to load {@link ParticleEffect} instances. Passing a {@link ParticleEffectParameter} to
* {@link AssetManager#load(String, Class, AssetLoaderParameters)} allows to specify an atlas file or an image directory to be
* used for the effect's images. Per default images are loaded from the directory in which the effect file is found. */
public class ParticleEffectLoader extends SynchronousAssetLoader<ParticleEffect, ParticleEffectLoader.ParticleEffectParameter> {
public ParticleEffectLoader (FileHandleResolver resolver) {
super(resolver);
}
@Override
public ParticleEffect load (AssetManager am, String fileName, FileHandle file, ParticleEffectParameter param) {
ParticleEffect effect = new ParticleEffect();
if (param != null && param.atlasFile != null)
effect.load(file, am.get(param.atlasFile, TextureAtlas.class), param.atlasPrefix);
else if (param != null && param.imagesDir != null)
effect.load(file, param.imagesDir);
else
effect.load(file, file.parent());
return effect;
}
@Override
public Array<AssetDescriptor> getDependencies (String fileName, FileHandle file, ParticleEffectParameter param) {
Array<AssetDescriptor> deps = null;
if (param != null && param.atlasFile != null) {
deps = new Array();
deps.add(new AssetDescriptor<TextureAtlas>(param.atlasFile, TextureAtlas.class));
}
return deps;
}
/** Parameter to be passed to {@link AssetManager#load(String, Class, AssetLoaderParameters)} if additional configuration is
* necessary for the {@link ParticleEffect}. */
public static class ParticleEffectParameter extends AssetLoaderParameters<ParticleEffect> {
/** Atlas file name. */
public String atlasFile;
/** Prefix to be added to the image names **/
public String atlasPrefix = "";
/** Image directory. */
public FileHandle imagesDir;
}
}