/*
* Copyright 2014 MovingBlocks
*
* 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 org.terasology.rendering.iconmesh;
import com.google.common.base.Function;
import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableSet;
import org.terasology.assets.AssetDataProducer;
import org.terasology.assets.ResourceUrn;
import org.terasology.assets.management.AssetManager;
import org.terasology.assets.module.annotations.RegisterAssetDataProducer;
import org.terasology.naming.Name;
import org.terasology.rendering.assets.mesh.MeshData;
import org.terasology.rendering.assets.texture.TextureRegionAsset;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.Collections;
import java.util.Optional;
import java.util.Set;
/**
*/
@RegisterAssetDataProducer
public class IconMeshDataProducer implements AssetDataProducer<MeshData> {
public static final Name ICON_DISCRIMINATOR = new Name("Icon");
private AssetManager assetManager;
public IconMeshDataProducer(AssetManager assetManager) {
this.assetManager = assetManager;
}
@Override
public Set<ResourceUrn> getAvailableAssetUrns() {
return Collections.emptySet();
}
@Override
public Set<Name> getModulesProviding(Name resourceName) {
if (ICON_DISCRIMINATOR.equals(resourceName)) {
return ImmutableSet.copyOf(Collections2.transform(assetManager.resolve(resourceName.toString(), TextureRegionAsset.class),
new Function<ResourceUrn, Name>() {
@Nullable
@Override
public Name apply(ResourceUrn input) {
return input.getModuleName();
}
}));
}
return Collections.emptySet();
}
@Override
public ResourceUrn redirect(ResourceUrn urn) {
return urn;
}
@Override
public Optional<MeshData> getAssetData(ResourceUrn urn) throws IOException {
if (ICON_DISCRIMINATOR.equals(urn.getResourceName())) {
ResourceUrn textureUrn = new ResourceUrn(urn.getModuleName().toString() + ResourceUrn.RESOURCE_SEPARATOR + urn.getFragmentName().toString());
Optional<TextureRegionAsset> textureRegionAsset = assetManager.getAsset(textureUrn, TextureRegionAsset.class);
if (textureRegionAsset.isPresent() && !textureRegionAsset.get().getTexture().isDisposed()) {
return Optional.of(IconMeshFactory.generateIconMeshData(textureRegionAsset.get()));
}
}
return Optional.empty();
}
}