TileAtlasLoader.java

/*******************************************************************************
 * 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.graphics.g2d.tiled.TileAtlas;
import com.badlogic.gdx.graphics.g2d.tiled.TiledMap;
import com.badlogic.gdx.utils.Array;

/**
 * {@link AssetLoader} for {@link TileAtlas} instances.
 * 
 * @author mzechner
 */
public class TileAtlasLoader extends AsynchronousAssetLoader<TileAtlas, TileAtlasLoader.TileAtlasParameter> {

	/**
	 * Mandatory {@link AssetLoaderParameters} for loading a {@link TileAtlas}
	 * 
	 * @author mzechner
	 */
	public static class TileAtlasParameter extends AssetLoaderParameters<TileAtlas> {
		/** the filename of the {@link TiledMap} **/
		public String tileMapFile;
		/** the directory containing all the images **/
		public String inputDirectory;
	}

	public TileAtlasLoader(FileHandleResolver resolver) {
		super(resolver);
	}

	@Override
	public void loadAsync(AssetManager manager, String fileName, TileAtlasParameter parameter) {
		if (parameter == null)
			throw new IllegalArgumentException("Missing TileAtlasParameter: " + fileName);

	}

	@Override
	public TileAtlas loadSync(AssetManager manager, String fileName, TileAtlasParameter parameter) {
		if (parameter == null)
			throw new IllegalArgumentException("Missing TileAtlasParameter: " + fileName);

		return null;
	}

	@Override
	public Array<AssetDescriptor> getDependencies(String fileName, TileAtlasParameter parameter) {
		if (parameter == null)
			throw new IllegalArgumentException("Missing TileAtlasParameter: " + fileName);

		Array<AssetDescriptor> deps = new Array<AssetDescriptor>();
		deps.add(new AssetDescriptor(parameter.tileMapFile, TiledMap.class));
		return deps;
	}
}