mirror of
https://github.com/VolmitSoftware/Iris.git
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387 lines
18 KiB
Java
387 lines
18 KiB
Java
/*
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* Iris is a World Generator for Minecraft Bukkit Servers
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* Copyright (c) 2021 Arcane Arts (Volmit Software)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.volmit.iris.engine;
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import com.volmit.iris.Iris;
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import com.volmit.iris.core.IrisSettings;
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import com.volmit.iris.core.loader.IrisData;
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import com.volmit.iris.engine.data.cache.Cache;
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import com.volmit.iris.engine.framework.Engine;
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import com.volmit.iris.engine.object.InferredType;
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import com.volmit.iris.engine.object.IrisBiome;
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import com.volmit.iris.engine.object.IrisDecorationPart;
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import com.volmit.iris.engine.object.IrisDecorator;
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import com.volmit.iris.engine.object.IrisGenerator;
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import com.volmit.iris.engine.object.IrisInterpolator;
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import com.volmit.iris.engine.object.IrisRegion;
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import com.volmit.iris.util.collection.KList;
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import com.volmit.iris.util.collection.KMap;
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import com.volmit.iris.util.collection.KSet;
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import com.volmit.iris.util.data.DataProvider;
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import com.volmit.iris.util.math.M;
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import com.volmit.iris.util.math.RNG;
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import com.volmit.iris.util.noise.CNG;
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import com.volmit.iris.util.stream.ProceduralStream;
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import com.volmit.iris.util.stream.interpolation.Interpolated;
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import lombok.Data;
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import org.bukkit.Material;
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import org.bukkit.block.Biome;
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import org.bukkit.block.data.BlockData;
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import java.util.UUID;
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@Data
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public class IrisComplex implements DataProvider {
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private static final BlockData AIR = Material.AIR.createBlockData();
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private RNG rng;
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private double fluidHeight;
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private IrisData data;
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private KMap<IrisInterpolator, KSet<IrisGenerator>> generators;
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private ProceduralStream<IrisRegion> regionStream;
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private ProceduralStream<Double> regionStyleStream;
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private ProceduralStream<Double> regionIdentityStream;
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private ProceduralStream<UUID> regionIDStream;
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private ProceduralStream<InferredType> bridgeStream;
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private ProceduralStream<IrisBiome> landBiomeStream;
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private ProceduralStream<IrisBiome> caveBiomeStream;
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private ProceduralStream<IrisBiome> seaBiomeStream;
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private ProceduralStream<IrisBiome> shoreBiomeStream;
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private ProceduralStream<IrisBiome> baseBiomeStream;
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private ProceduralStream<UUID> baseBiomeIDStream;
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private ProceduralStream<IrisBiome> trueBiomeStream;
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private ProceduralStream<Biome> trueBiomeDerivativeStream;
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private ProceduralStream<Double> heightStream;
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private ProceduralStream<Integer> roundedHeighteightStream;
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private ProceduralStream<Double> maxHeightStream;
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private ProceduralStream<Double> overlayStream;
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private ProceduralStream<Double> heightFluidStream;
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private ProceduralStream<Double> slopeStream;
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private ProceduralStream<Integer> topSurfaceStream;
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private ProceduralStream<IrisDecorator> terrainSurfaceDecoration;
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private ProceduralStream<IrisDecorator> terrainCeilingDecoration;
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private ProceduralStream<IrisDecorator> terrainCaveSurfaceDecoration;
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private ProceduralStream<IrisDecorator> terrainCaveCeilingDecoration;
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private ProceduralStream<IrisDecorator> seaSurfaceDecoration;
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private ProceduralStream<IrisDecorator> seaFloorDecoration;
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private ProceduralStream<IrisDecorator> shoreSurfaceDecoration;
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private ProceduralStream<BlockData> rockStream;
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private ProceduralStream<BlockData> fluidStream;
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private IrisBiome focus;
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public IrisComplex(Engine engine) {
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this(engine, false);
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}
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public IrisComplex(Engine engine, boolean simple) {
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int cacheSize = IrisSettings.get().getPerformance().getCacheSize();
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IrisBiome emptyBiome = new IrisBiome();
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UUID focusUUID = UUID.nameUUIDFromBytes("focus".getBytes());
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this.rng = new RNG(engine.getSeedManager().getComplex());
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this.data = engine.getData();
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double height = engine.getHeight();
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fluidHeight = engine.getDimension().getFluidHeight();
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generators = new KMap<>();
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focus = engine.getFocus();
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KMap<InferredType, ProceduralStream<IrisBiome>> inferredStreams = new KMap<>();
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if (focus != null) {
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focus.setInferredType(InferredType.LAND);
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}
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IrisRegion focusRegion = focus != null ? findRegion(focus, engine) : null;
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//@builder
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engine.getDimension().getRegions().forEach((i) -> data.getRegionLoader().load(i)
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.getAllBiomes(this).forEach((b) -> b
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.getGenerators()
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.forEach((c) -> registerGenerator(c.getCachedGenerator(this)))));
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overlayStream = ProceduralStream.ofDouble((x, z) -> 0D);
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engine.getDimension().getOverlayNoise().forEach((i) -> overlayStream.add((x, z) -> i.get(rng, getData(), x, z)));
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rockStream = engine.getDimension().getRockPalette().getLayerGenerator(rng.nextParallelRNG(45), data).stream()
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.select(engine.getDimension().getRockPalette().getBlockData(data));
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fluidStream = engine.getDimension().getFluidPalette().getLayerGenerator(rng.nextParallelRNG(78), data).stream()
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.select(engine.getDimension().getFluidPalette().getBlockData(data));
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regionStyleStream = engine.getDimension().getRegionStyle().create(rng.nextParallelRNG(883), getData()).stream()
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.zoom(engine.getDimension().getRegionZoom());
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regionIdentityStream = regionStyleStream.fit(Integer.MIN_VALUE, Integer.MAX_VALUE);
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regionStream = focusRegion != null ?
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ProceduralStream.of((x, z) -> focusRegion,
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Interpolated.of(a -> 0D, a -> focusRegion))
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: regionStyleStream
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.selectRarity(engine.getDimension().getRegions(), (i) -> data.getRegionLoader().load(i))
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.convertCached((s) -> data.getRegionLoader().load(s)).cache2D("regionStream", engine, cacheSize);
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regionIDStream = regionIdentityStream.convertCached((i) -> new UUID(Double.doubleToLongBits(i), String.valueOf(i * 38445).hashCode() * 3245556666L));
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caveBiomeStream = regionStream.convert((r)
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-> engine.getDimension().getCaveBiomeStyle().create(rng.nextParallelRNG(InferredType.CAVE.ordinal()), getData()).stream()
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.zoom(r.getCaveBiomeZoom())
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.selectRarity(r.getCaveBiomes(), (i) -> data.getBiomeLoader().load(i))
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.onNull("")
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.convertCached((s) -> {
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if (s.isEmpty()) {
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return emptyBiome;
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}
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return data.getBiomeLoader().load(s)
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.setInferredType(InferredType.CAVE);
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})
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).convertAware2D(ProceduralStream::get).cache2D("caveBiomeStream", engine, cacheSize);
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inferredStreams.put(InferredType.CAVE, caveBiomeStream);
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landBiomeStream = regionStream.convert((r)
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-> engine.getDimension().getLandBiomeStyle().create(rng.nextParallelRNG(InferredType.LAND.ordinal()), getData()).stream()
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.zoom(r.getLandBiomeZoom())
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.selectRarity(r.getLandBiomes(), (i) -> data.getBiomeLoader().load(i))
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.convertCached((s) -> data.getBiomeLoader().load(s)
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.setInferredType(InferredType.LAND))
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).convertAware2D(ProceduralStream::get)
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.cache2D("landBiomeStream", engine, cacheSize);
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inferredStreams.put(InferredType.LAND, landBiomeStream);
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seaBiomeStream = regionStream.convert((r)
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-> engine.getDimension().getSeaBiomeStyle().create(rng.nextParallelRNG(InferredType.SEA.ordinal()), getData()).stream()
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.zoom(r.getSeaBiomeZoom())
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.selectRarity(r.getSeaBiomes(), (i) -> data.getBiomeLoader().load(i))
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.convertCached((s) -> data.getBiomeLoader().load(s)
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.setInferredType(InferredType.SEA))
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).convertAware2D(ProceduralStream::get)
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.cache2D("seaBiomeStream", engine, cacheSize);
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inferredStreams.put(InferredType.SEA, seaBiomeStream);
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shoreBiomeStream = regionStream.convert((r)
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-> engine.getDimension().getShoreBiomeStyle().create(rng.nextParallelRNG(InferredType.SHORE.ordinal()), getData()).stream()
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.zoom(r.getShoreBiomeZoom())
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.selectRarity(r.getShoreBiomes(), (i) -> data.getBiomeLoader().load(i))
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.convertCached((s) -> data.getBiomeLoader().load(s)
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.setInferredType(InferredType.SHORE))
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).convertAware2D(ProceduralStream::get).cache2D("shoreBiomeStream", engine, cacheSize);
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inferredStreams.put(InferredType.SHORE, shoreBiomeStream);
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bridgeStream = focus != null ? ProceduralStream.of((x, z) -> focus.getInferredType(),
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Interpolated.of(a -> 0D, a -> focus.getInferredType())) :
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engine.getDimension().getContinentalStyle().create(rng.nextParallelRNG(234234565), getData())
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.bake().scale(1D / engine.getDimension().getContinentZoom()).bake().stream()
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.convert((v) -> v >= engine.getDimension().getLandChance() ? InferredType.SEA : InferredType.LAND)
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.cache2D("bridgeStream", engine, cacheSize);
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baseBiomeStream = focus != null ? ProceduralStream.of((x, z) -> focus,
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Interpolated.of(a -> 0D, a -> focus)) :
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bridgeStream.convertAware2D((t, x, z) -> inferredStreams.get(t).get(x, z))
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.convertAware2D(this::implode).cache2D("baseBiomeStream", engine, cacheSize);
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heightStream = ProceduralStream.of((x, z) -> {
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IrisBiome b = focus != null ? focus : baseBiomeStream.get(x, z);
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return getHeight(engine, b, x, z, engine.getSeedManager().getHeight());
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}, Interpolated.DOUBLE).clamp(0, engine.getHeight()).cache2D("heightStream", engine, cacheSize);
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roundedHeighteightStream = heightStream.round();
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slopeStream = heightStream.slope(3).cache2D("slopeStream", engine, cacheSize);
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trueBiomeStream = focus != null ? ProceduralStream.of((x, y) -> focus, Interpolated.of(a -> 0D,
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b -> focus))
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.cache2D("trueBiomeStream-focus", engine, cacheSize) : heightStream
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.convertAware2D((h, x, z) ->
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fixBiomeType(h, baseBiomeStream.get(x, z),
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regionStream.get(x, z), x, z, fluidHeight))
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.cache2D("trueBiomeStream", engine, cacheSize);
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trueBiomeDerivativeStream = trueBiomeStream.convert(IrisBiome::getDerivative).cache2D("trueBiomeDerivativeStream", engine, cacheSize);
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heightFluidStream = heightStream.max(fluidHeight).cache2D("heightFluidStream", engine, cacheSize);
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maxHeightStream = ProceduralStream.ofDouble((x, z) -> height);
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terrainSurfaceDecoration = trueBiomeStream
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.convertAware2D((b, xx, zz) -> decorateFor(b, xx, zz, IrisDecorationPart.NONE)).cache2D("terrainSurfaceDecoration", engine, cacheSize);
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terrainCeilingDecoration = trueBiomeStream
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.convertAware2D((b, xx, zz) -> decorateFor(b, xx, zz, IrisDecorationPart.CEILING)).cache2D("terrainCeilingDecoration", engine, cacheSize);
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terrainCaveSurfaceDecoration = caveBiomeStream
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.convertAware2D((b, xx, zz) -> decorateFor(b, xx, zz, IrisDecorationPart.NONE)).cache2D("terrainCaveSurfaceDecoration", engine, cacheSize);
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terrainCaveCeilingDecoration = caveBiomeStream
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.convertAware2D((b, xx, zz) -> decorateFor(b, xx, zz, IrisDecorationPart.CEILING)).cache2D("terrainCaveCeilingDecoration", engine, cacheSize);
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shoreSurfaceDecoration = trueBiomeStream
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.convertAware2D((b, xx, zz) -> decorateFor(b, xx, zz, IrisDecorationPart.SHORE_LINE)).cache2D("shoreSurfaceDecoration", engine, cacheSize);
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seaSurfaceDecoration = trueBiomeStream
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.convertAware2D((b, xx, zz) -> decorateFor(b, xx, zz, IrisDecorationPart.SEA_SURFACE)).cache2D("seaSurfaceDecoration", engine, cacheSize);
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seaFloorDecoration = trueBiomeStream
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.convertAware2D((b, xx, zz) -> decorateFor(b, xx, zz, IrisDecorationPart.SEA_FLOOR)).cache2D("seaFloorDecoration", engine, cacheSize);
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baseBiomeIDStream = trueBiomeStream.convertAware2D((b, x, z) -> {
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UUID d = regionIDStream.get(x, z);
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return new UUID(b.getLoadKey().hashCode() * 818223L,
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d.hashCode());
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})
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.cache2D("", engine, cacheSize);
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//@done
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}
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public ProceduralStream<IrisBiome> getBiomeStream(InferredType type) {
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switch (type) {
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case CAVE:
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return caveBiomeStream;
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case LAND:
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return landBiomeStream;
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case SEA:
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return seaBiomeStream;
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case SHORE:
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return shoreBiomeStream;
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case DEFER:
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default:
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break;
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}
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return null;
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}
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private IrisRegion findRegion(IrisBiome focus, Engine engine) {
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for (IrisRegion i : engine.getDimension().getAllRegions(engine)) {
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if (i.getAllBiomeIds().contains(focus.getLoadKey())) {
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return i;
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}
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}
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return null;
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}
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private IrisDecorator decorateFor(IrisBiome b, double x, double z, IrisDecorationPart part) {
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RNG rngc = new RNG(Cache.key(((int) x), ((int) z)));
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for (IrisDecorator i : b.getDecorators()) {
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if (!i.getPartOf().equals(part)) {
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continue;
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}
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BlockData block = i.getBlockData(b, rngc, x, z, data);
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if (block != null) {
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return i;
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}
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}
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return null;
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}
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private IrisBiome fixBiomeType(Double height, IrisBiome biome, IrisRegion region, Double x, Double z, double fluidHeight) {
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double sh = region.getShoreHeight(x, z);
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if (height >= fluidHeight - 1 && height <= fluidHeight + sh && !biome.isShore()) {
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return shoreBiomeStream.get(x, z);
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}
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if (height > fluidHeight + sh && !biome.isLand()) {
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return landBiomeStream.get(x, z);
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}
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if (height < fluidHeight && !biome.isAquatic()) {
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return seaBiomeStream.get(x, z);
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}
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if (height == fluidHeight && !biome.isShore()) {
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return shoreBiomeStream.get(x, z);
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}
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return biome;
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}
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private double interpolateGenerators(Engine engine, IrisInterpolator interpolator, KSet<IrisGenerator> generators, double x, double z, long seed) {
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if (generators.isEmpty()) {
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return 0;
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}
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double hi = interpolator.interpolate(x, z, (xx, zz) -> {
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try {
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IrisBiome bx = baseBiomeStream.get(xx, zz);
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double b = 0;
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for (IrisGenerator gen : generators) {
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b += bx.getGenLinkMax(gen.getLoadKey());
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}
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return b;
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} catch (Throwable e) {
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Iris.reportError(e);
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e.printStackTrace();
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Iris.error("Failed to sample hi biome at " + xx + " " + zz + "...");
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}
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return 0;
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});
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double lo = interpolator.interpolate(x, z, (xx, zz) -> {
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try {
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IrisBiome bx = baseBiomeStream.get(xx, zz);
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double b = 0;
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for (IrisGenerator gen : generators) {
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b += bx.getGenLinkMin(gen.getLoadKey());
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}
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return b;
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} catch (Throwable e) {
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Iris.reportError(e);
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e.printStackTrace();
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Iris.error("Failed to sample lo biome at " + xx + " " + zz + "...");
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}
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return 0;
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});
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double d = 0;
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for (IrisGenerator i : generators) {
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d += M.lerp(lo, hi, i.getHeight(x, z, seed + 239945));
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}
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return d / generators.size();
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}
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private double getInterpolatedHeight(Engine engine, double x, double z, long seed) {
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double h = 0;
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for (IrisInterpolator i : generators.keySet()) {
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h += interpolateGenerators(engine, i, generators.get(i), x, z, seed);
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}
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return h;
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}
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private double getHeight(Engine engine, IrisBiome b, double x, double z, long seed) {
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return Math.min(engine.getHeight(),
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Math.max(getInterpolatedHeight(engine, x, z, seed) + fluidHeight + overlayStream.get(x, z), 0));
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}
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private void registerGenerator(IrisGenerator cachedGenerator) {
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generators.computeIfAbsent(cachedGenerator.getInterpolator(), (k) -> new KSet<>()).add(cachedGenerator);
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}
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private IrisBiome implode(IrisBiome b, Double x, Double z) {
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if (b.getChildren().isEmpty()) {
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return b;
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}
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return implode(b, x, z, 3);
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}
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private IrisBiome implode(IrisBiome b, Double x, Double z, int max) {
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if (max < 0) {
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return b;
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}
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if (b.getChildren().isEmpty()) {
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return b;
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}
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CNG childCell = b.getChildrenGenerator(rng, 123, b.getChildShrinkFactor());
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KList<IrisBiome> chx = b.getRealChildren(this).copy();
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chx.add(b);
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IrisBiome biome = childCell.fitRarity(chx, x, z);
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biome.setInferredType(b.getInferredType());
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return implode(biome, x, z, max - 1);
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}
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public void close() {
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}
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}
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