/*
* Copyright 2013 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.core.world.generator;
import com.google.common.base.Optional;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.terasology.engine.SimpleUri;
import org.terasology.math.Rect2i;
import org.terasology.math.Region3i;
import org.terasology.math.Vector3i;
import org.terasology.rendering.nui.Color;
import org.terasology.world.chunks.CoreChunk;
import org.terasology.world.generation.Region;
import org.terasology.world.generation.World;
import org.terasology.world.generation.WorldFacet;
import org.terasology.world.generation.facets.base.ColorSummaryFacet;
import org.terasology.world.generator.ChunkGenerationPass;
import org.terasology.world.generator.WorldConfigurator;
import org.terasology.world.generator.WorldGenerator;
import org.terasology.world.generator.WorldGenerator2DPreview;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* @author Immortius
*/
public abstract class AbstractBaseWorldGenerator implements WorldGenerator, WorldGenerator2DPreview {
private static final Logger logger = LoggerFactory.getLogger(AbstractBaseWorldGenerator.class);
private String worldSeed;
private final List<ChunkGenerationPass> generationPasses = Lists.newArrayList();
private final SimpleUri uri;
public AbstractBaseWorldGenerator(SimpleUri uri) {
this.uri = uri;
}
public abstract void initialize();
@Override
public final SimpleUri getUri() {
return uri;
}
@Override
public void setWorldSeed(final String seed) {
worldSeed = seed;
for (final ChunkGenerationPass generator : generationPasses) {
generator.setWorldSeed(seed);
}
}
protected final void register(final ChunkGenerationPass generator) {
registerPass(generator);
generationPasses.add(generator);
}
private void registerPass(final ChunkGenerationPass generator) {
generator.setWorldSeed(worldSeed);
}
@Override
public void createChunk(final CoreChunk chunk) {
for (final ChunkGenerationPass generator : generationPasses) {
try {
generator.generateChunk(chunk);
} catch (Throwable e) {
logger.error("Error during generation pass {}", generator, e);
}
}
}
@Override
public Color get(String layerName, Rect2i area) {
Map<String, Class<? extends WorldFacet>> namedFacets = getWorld().getNamedFacets();
Class<? extends WorldFacet> facetType = namedFacets.get(layerName);
Region3i area3d = Region3i.createFromMinAndSize(new Vector3i(area.minX(), 0, area.minY()), new Vector3i(area.sizeX(), 1, area.sizeY()));
Region region = getWorld().getWorldData(area3d);
ColorSummaryFacet colorSummaryFacet = (ColorSummaryFacet) region.getFacet(facetType);
return colorSummaryFacet.getColor();
}
@Override
public Iterable<String> getLayers() {
Set<String> layerNames = Sets.newHashSet();
for (Map.Entry<String, Class<? extends WorldFacet>> namedFacet : getWorld().getNamedFacets().entrySet()) {
if (ColorSummaryFacet.class.isAssignableFrom(namedFacet.getValue())) {
layerNames.add(namedFacet.getKey());
}
}
return layerNames;
}
@Override
public Optional<WorldConfigurator> getConfigurator() {
return Optional.absent();
}
@Override
public void setConfigurator(WorldConfigurator worldConfigurator) {
}
@Override
public World getWorld() {
return null;
}
}