237 lines
10 KiB
Java
237 lines
10 KiB
Java
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package net.minecraft.world.level.levelgen.carver;
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import com.google.common.collect.ImmutableSet;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.MapCodec;
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import java.util.Set;
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import java.util.function.Function;
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import javax.annotation.Nullable;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.core.Holder;
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import net.minecraft.core.Registry;
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import net.minecraft.core.registries.BuiltInRegistries;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.ChunkPos;
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import net.minecraft.world.level.biome.Biome;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.properties.BlockStateProperties;
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import net.minecraft.world.level.chunk.CarvingMask;
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import net.minecraft.world.level.chunk.ChunkAccess;
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import net.minecraft.world.level.levelgen.Aquifer;
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import net.minecraft.world.level.levelgen.DensityFunction;
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import net.minecraft.world.level.material.Fluid;
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import net.minecraft.world.level.material.FluidState;
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import net.minecraft.world.level.material.Fluids;
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import org.apache.commons.lang3.mutable.MutableBoolean;
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public abstract class WorldCarver<C extends CarverConfiguration> {
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public static final WorldCarver<CaveCarverConfiguration> CAVE = register("cave", new CaveWorldCarver(CaveCarverConfiguration.CODEC));
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public static final WorldCarver<CaveCarverConfiguration> NETHER_CAVE = register("nether_cave", new NetherWorldCarver(CaveCarverConfiguration.CODEC));
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public static final WorldCarver<CanyonCarverConfiguration> CANYON = register("canyon", new CanyonWorldCarver(CanyonCarverConfiguration.CODEC));
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protected static final BlockState AIR = Blocks.AIR.defaultBlockState();
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protected static final BlockState CAVE_AIR = Blocks.CAVE_AIR.defaultBlockState();
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protected static final FluidState WATER = Fluids.WATER.defaultFluidState();
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protected static final FluidState LAVA = Fluids.LAVA.defaultFluidState();
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protected Set<Fluid> liquids = ImmutableSet.of(Fluids.WATER);
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private final MapCodec<ConfiguredWorldCarver<C>> configuredCodec;
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private static <C extends CarverConfiguration, F extends WorldCarver<C>> F register(String p_65066_, F p_65067_) {
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return Registry.register(BuiltInRegistries.CARVER, p_65066_, p_65067_);
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}
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public WorldCarver(Codec<C> p_159366_) {
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this.configuredCodec = p_159366_.fieldOf("config").xmap(this::configured, ConfiguredWorldCarver::config);
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}
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public ConfiguredWorldCarver<C> configured(C p_65064_) {
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return new ConfiguredWorldCarver<>(this, p_65064_);
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}
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public MapCodec<ConfiguredWorldCarver<C>> configuredCodec() {
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return this.configuredCodec;
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}
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public int getRange() {
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return 4;
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}
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protected boolean carveEllipsoid(
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CarvingContext p_190754_,
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C p_190755_,
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ChunkAccess p_190756_,
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Function<BlockPos, Holder<Biome>> p_190757_,
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Aquifer p_190758_,
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double p_190759_,
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double p_190760_,
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double p_190761_,
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double p_190762_,
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double p_190763_,
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CarvingMask p_190764_,
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WorldCarver.CarveSkipChecker p_190765_
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) {
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ChunkPos chunkpos = p_190756_.getPos();
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double d0 = chunkpos.getMiddleBlockX();
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double d1 = chunkpos.getMiddleBlockZ();
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double d2 = 16.0 + p_190762_ * 2.0;
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if (!(Math.abs(p_190759_ - d0) > d2) && !(Math.abs(p_190761_ - d1) > d2)) {
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int i = chunkpos.getMinBlockX();
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int j = chunkpos.getMinBlockZ();
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int k = Math.max(Mth.floor(p_190759_ - p_190762_) - i - 1, 0);
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int l = Math.min(Mth.floor(p_190759_ + p_190762_) - i, 15);
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int i1 = Math.max(Mth.floor(p_190760_ - p_190763_) - 1, p_190754_.getMinGenY() + 1);
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int j1 = p_190756_.isUpgrading() ? 0 : 7;
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int k1 = Math.min(Mth.floor(p_190760_ + p_190763_) + 1, p_190754_.getMinGenY() + p_190754_.getGenDepth() - 1 - j1);
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int l1 = Math.max(Mth.floor(p_190761_ - p_190762_) - j - 1, 0);
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int i2 = Math.min(Mth.floor(p_190761_ + p_190762_) - j, 15);
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boolean flag = false;
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BlockPos.MutableBlockPos blockpos$mutableblockpos = new BlockPos.MutableBlockPos();
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BlockPos.MutableBlockPos blockpos$mutableblockpos1 = new BlockPos.MutableBlockPos();
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for (int j2 = k; j2 <= l; j2++) {
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int k2 = chunkpos.getBlockX(j2);
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double d3 = (k2 + 0.5 - p_190759_) / p_190762_;
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for (int l2 = l1; l2 <= i2; l2++) {
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int i3 = chunkpos.getBlockZ(l2);
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double d4 = (i3 + 0.5 - p_190761_) / p_190762_;
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if (!(d3 * d3 + d4 * d4 >= 1.0)) {
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MutableBoolean mutableboolean = new MutableBoolean(false);
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for (int j3 = k1; j3 > i1; j3--) {
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double d5 = (j3 - 0.5 - p_190760_) / p_190763_;
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if (!p_190765_.shouldSkip(p_190754_, d3, d5, d4, j3) && (!p_190764_.get(j2, j3, l2) || isDebugEnabled(p_190755_))) {
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p_190764_.set(j2, j3, l2);
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blockpos$mutableblockpos.set(k2, j3, i3);
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flag |= this.carveBlock(
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p_190754_,
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p_190755_,
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p_190756_,
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p_190757_,
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p_190764_,
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blockpos$mutableblockpos,
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blockpos$mutableblockpos1,
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p_190758_,
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mutableboolean
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);
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}
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}
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}
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}
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}
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return flag;
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} else {
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return false;
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}
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}
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protected boolean carveBlock(
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CarvingContext p_190744_,
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C p_190745_,
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ChunkAccess p_190746_,
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Function<BlockPos, Holder<Biome>> p_190747_,
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CarvingMask p_190748_,
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BlockPos.MutableBlockPos p_190749_,
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BlockPos.MutableBlockPos p_190750_,
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Aquifer p_190751_,
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MutableBoolean p_190752_
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) {
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BlockState blockstate = p_190746_.getBlockState(p_190749_);
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if (blockstate.is(Blocks.GRASS_BLOCK) || blockstate.is(Blocks.MYCELIUM)) {
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p_190752_.setTrue();
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}
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if (!this.canReplaceBlock(p_190745_, blockstate) && !isDebugEnabled(p_190745_)) {
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return false;
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} else {
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BlockState blockstate1 = this.getCarveState(p_190744_, p_190745_, p_190749_, p_190751_);
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if (blockstate1 == null) {
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return false;
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} else {
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p_190746_.setBlockState(p_190749_, blockstate1);
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if (p_190751_.shouldScheduleFluidUpdate() && !blockstate1.getFluidState().isEmpty()) {
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p_190746_.markPosForPostprocessing(p_190749_);
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}
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if (p_190752_.isTrue()) {
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p_190750_.setWithOffset(p_190749_, Direction.DOWN);
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if (p_190746_.getBlockState(p_190750_).is(Blocks.DIRT)) {
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p_190744_.topMaterial(p_190747_, p_190746_, p_190750_, !blockstate1.getFluidState().isEmpty()).ifPresent(p_391040_ -> {
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p_190746_.setBlockState(p_190750_, p_391040_);
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if (!p_391040_.getFluidState().isEmpty()) {
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p_190746_.markPosForPostprocessing(p_190750_);
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}
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});
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}
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}
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return true;
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}
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}
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}
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@Nullable
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private BlockState getCarveState(CarvingContext p_159419_, C p_159420_, BlockPos p_159421_, Aquifer p_159422_) {
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if (p_159421_.getY() <= p_159420_.lavaLevel.resolveY(p_159419_)) {
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return LAVA.createLegacyBlock();
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} else {
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BlockState blockstate = p_159422_.computeSubstance(
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new DensityFunction.SinglePointContext(p_159421_.getX(), p_159421_.getY(), p_159421_.getZ()), 0.0
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);
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if (blockstate == null) {
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return isDebugEnabled(p_159420_) ? p_159420_.debugSettings.getBarrierState() : null;
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} else {
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return isDebugEnabled(p_159420_) ? getDebugState(p_159420_, blockstate) : blockstate;
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}
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}
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}
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private static BlockState getDebugState(CarverConfiguration p_159382_, BlockState p_159383_) {
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if (p_159383_.is(Blocks.AIR)) {
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return p_159382_.debugSettings.getAirState();
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} else if (p_159383_.is(Blocks.WATER)) {
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BlockState blockstate = p_159382_.debugSettings.getWaterState();
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return blockstate.hasProperty(BlockStateProperties.WATERLOGGED) ? blockstate.setValue(BlockStateProperties.WATERLOGGED, true) : blockstate;
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} else {
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return p_159383_.is(Blocks.LAVA) ? p_159382_.debugSettings.getLavaState() : p_159383_;
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}
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}
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public abstract boolean carve(
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CarvingContext p_224913_,
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C p_224914_,
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ChunkAccess p_224915_,
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Function<BlockPos, Holder<Biome>> p_224916_,
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RandomSource p_224917_,
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Aquifer p_224918_,
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ChunkPos p_224919_,
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CarvingMask p_224920_
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);
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public abstract boolean isStartChunk(C p_224908_, RandomSource p_224909_);
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protected boolean canReplaceBlock(C p_224911_, BlockState p_224912_) {
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return p_224912_.is(p_224911_.replaceable);
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}
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protected static boolean canReach(ChunkPos p_159368_, double p_159369_, double p_159370_, int p_159371_, int p_159372_, float p_159373_) {
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double d0 = p_159368_.getMiddleBlockX();
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double d1 = p_159368_.getMiddleBlockZ();
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double d2 = p_159369_ - d0;
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double d3 = p_159370_ - d1;
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double d4 = p_159372_ - p_159371_;
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double d5 = p_159373_ + 2.0F + 16.0F;
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return d2 * d2 + d3 * d3 - d4 * d4 <= d5 * d5;
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}
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private static boolean isDebugEnabled(CarverConfiguration p_159424_) {
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return p_159424_.debugSettings.isDebugMode();
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}
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public interface CarveSkipChecker {
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boolean shouldSkip(CarvingContext p_159426_, double p_159427_, double p_159428_, double p_159429_, int p_159430_);
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}
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}
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