com.badlogic.gdx.assets.loaders.CubemapLoader Maven / Gradle / Ivy
/*******************************************************************************
* 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.Cubemap;
import com.badlogic.gdx.graphics.CubemapData;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.Texture.TextureWrap;
import com.badlogic.gdx.graphics.TextureData;
import com.badlogic.gdx.graphics.glutils.KTXTextureData;
import com.badlogic.gdx.utils.Array;
/** {@link AssetLoader} for {@link Cubemap} instances. The pixel data is loaded asynchronously. The texture is then created on the
* rendering thread, synchronously. Passing a {@link CubemapParameter} to
* {@link AssetManager#load(String, Class, AssetLoaderParameters)} allows one to specify parameters as can be passed to the
* various Cubemap constructors, e.g. filtering and so on.
* @author mzechner, Vincent Bousquet */
public class CubemapLoader extends AsynchronousAssetLoader {
static public class CubemapLoaderInfo {
String filename;
CubemapData data;
Cubemap cubemap;
};
CubemapLoaderInfo info = new CubemapLoaderInfo();
public CubemapLoader (FileHandleResolver resolver) {
super(resolver);
}
@Override
public void loadAsync (AssetManager manager, String fileName, FileHandle file, CubemapParameter parameter) {
info.filename = fileName;
if (parameter == null || parameter.cubemapData == null) {
Format format = null;
boolean genMipMaps = false;
info.cubemap = null;
if (parameter != null) {
format = parameter.format;
info.cubemap = parameter.cubemap;
}
if (fileName.contains(".ktx") || fileName.contains(".zktx")) {
info.data = new KTXTextureData(file, genMipMaps);
}
} else {
info.data = parameter.cubemapData;
info.cubemap = parameter.cubemap;
}
if (!info.data.isPrepared()) info.data.prepare();
}
@Override
public Cubemap loadSync (AssetManager manager, String fileName, FileHandle file, CubemapParameter parameter) {
if (info == null) return null;
Cubemap cubemap = info.cubemap;
if (cubemap != null) {
cubemap.load(info.data);
} else {
cubemap = new Cubemap(info.data);
}
if (parameter != null) {
cubemap.setFilter(parameter.minFilter, parameter.magFilter);
cubemap.setWrap(parameter.wrapU, parameter.wrapV);
}
return cubemap;
}
@Override
public Array getDependencies (String fileName, FileHandle file, CubemapParameter parameter) {
return null;
}
static public class CubemapParameter extends AssetLoaderParameters {
/** the format of the final Texture. Uses the source images format if null **/
public Format format = null;
/** The texture to put the {@link TextureData} in, optional. **/
public Cubemap cubemap = null;
/** CubemapData for textures created on the fly, optional. When set, all format and genMipMaps are ignored */
public CubemapData cubemapData = null;
public TextureFilter minFilter = TextureFilter.Nearest;
public TextureFilter magFilter = TextureFilter.Nearest;
public TextureWrap wrapU = TextureWrap.ClampToEdge;
public TextureWrap wrapV = TextureWrap.ClampToEdge;
}
}