238 lines
8.3 KiB
Java
238 lines
8.3 KiB
Java
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package net.minecraft.world.level.levelgen.carver;
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import com.mojang.serialization.Codec;
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import java.util.function.Function;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.core.SectionPos;
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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.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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public class CaveWorldCarver extends WorldCarver<CaveCarverConfiguration> {
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public CaveWorldCarver(Codec<CaveCarverConfiguration> p_159194_) {
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super(p_159194_);
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}
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public boolean isStartChunk(CaveCarverConfiguration p_224894_, RandomSource p_224895_) {
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return p_224895_.nextFloat() <= p_224894_.probability;
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}
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public boolean carve(
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CarvingContext p_224885_,
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CaveCarverConfiguration p_224886_,
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ChunkAccess p_224887_,
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Function<BlockPos, Holder<Biome>> p_224888_,
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RandomSource p_224889_,
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Aquifer p_224890_,
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ChunkPos p_224891_,
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CarvingMask p_224892_
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) {
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int i = SectionPos.sectionToBlockCoord(this.getRange() * 2 - 1);
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int j = p_224889_.nextInt(p_224889_.nextInt(p_224889_.nextInt(this.getCaveBound()) + 1) + 1);
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for (int k = 0; k < j; k++) {
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double d0 = p_224891_.getBlockX(p_224889_.nextInt(16));
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double d1 = p_224886_.y.sample(p_224889_, p_224885_);
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double d2 = p_224891_.getBlockZ(p_224889_.nextInt(16));
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double d3 = p_224886_.horizontalRadiusMultiplier.sample(p_224889_);
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double d4 = p_224886_.verticalRadiusMultiplier.sample(p_224889_);
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double d5 = p_224886_.floorLevel.sample(p_224889_);
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WorldCarver.CarveSkipChecker worldcarver$carveskipchecker = (p_159202_, p_159203_, p_159204_, p_159205_, p_159206_) -> shouldSkip(
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p_159203_, p_159204_, p_159205_, d5
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);
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int l = 1;
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if (p_224889_.nextInt(4) == 0) {
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double d6 = p_224886_.yScale.sample(p_224889_);
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float f1 = 1.0F + p_224889_.nextFloat() * 6.0F;
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this.createRoom(p_224885_, p_224886_, p_224887_, p_224888_, p_224890_, d0, d1, d2, f1, d6, p_224892_, worldcarver$carveskipchecker);
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l += p_224889_.nextInt(4);
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}
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for (int k1 = 0; k1 < l; k1++) {
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float f = p_224889_.nextFloat() * (float) (Math.PI * 2);
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float f3 = (p_224889_.nextFloat() - 0.5F) / 4.0F;
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float f2 = this.getThickness(p_224889_);
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int i1 = i - p_224889_.nextInt(i / 4);
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int j1 = 0;
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this.createTunnel(
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p_224885_,
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p_224886_,
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p_224887_,
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p_224888_,
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p_224889_.nextLong(),
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p_224890_,
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d0,
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d1,
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d2,
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d3,
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d4,
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f2,
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f,
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f3,
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0,
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i1,
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this.getYScale(),
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p_224892_,
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worldcarver$carveskipchecker
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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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protected int getCaveBound() {
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return 15;
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}
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protected float getThickness(RandomSource p_224871_) {
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float f = p_224871_.nextFloat() * 2.0F + p_224871_.nextFloat();
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if (p_224871_.nextInt(10) == 0) {
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f *= p_224871_.nextFloat() * p_224871_.nextFloat() * 3.0F + 1.0F;
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}
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return f;
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}
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protected double getYScale() {
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return 1.0;
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}
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protected void createRoom(
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CarvingContext p_190691_,
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CaveCarverConfiguration p_190692_,
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ChunkAccess p_190693_,
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Function<BlockPos, Holder<Biome>> p_190694_,
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Aquifer p_190695_,
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double p_190696_,
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double p_190697_,
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double p_190698_,
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float p_190699_,
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double p_190700_,
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CarvingMask p_190701_,
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WorldCarver.CarveSkipChecker p_190702_
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) {
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double d0 = 1.5 + Mth.sin((float) (Math.PI / 2)) * p_190699_;
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double d1 = d0 * p_190700_;
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this.carveEllipsoid(p_190691_, p_190692_, p_190693_, p_190694_, p_190695_, p_190696_ + 1.0, p_190697_, p_190698_, d0, d1, p_190701_, p_190702_);
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}
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protected void createTunnel(
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CarvingContext p_190671_,
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CaveCarverConfiguration p_190672_,
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ChunkAccess p_190673_,
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Function<BlockPos, Holder<Biome>> p_190674_,
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long p_190675_,
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Aquifer p_190676_,
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double p_190677_,
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double p_190678_,
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double p_190679_,
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double p_190680_,
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double p_190681_,
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float p_190682_,
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float p_190683_,
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float p_190684_,
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int p_190685_,
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int p_190686_,
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double p_190687_,
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CarvingMask p_190688_,
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WorldCarver.CarveSkipChecker p_190689_
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) {
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RandomSource randomsource = RandomSource.create(p_190675_);
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int i = randomsource.nextInt(p_190686_ / 2) + p_190686_ / 4;
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boolean flag = randomsource.nextInt(6) == 0;
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float f = 0.0F;
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float f1 = 0.0F;
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for (int j = p_190685_; j < p_190686_; j++) {
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double d0 = 1.5 + Mth.sin((float) Math.PI * j / p_190686_) * p_190682_;
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double d1 = d0 * p_190687_;
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float f2 = Mth.cos(p_190684_);
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p_190677_ += Mth.cos(p_190683_) * f2;
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p_190678_ += Mth.sin(p_190684_);
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p_190679_ += Mth.sin(p_190683_) * f2;
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p_190684_ *= flag ? 0.92F : 0.7F;
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p_190684_ += f1 * 0.1F;
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p_190683_ += f * 0.1F;
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f1 *= 0.9F;
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f *= 0.75F;
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f1 += (randomsource.nextFloat() - randomsource.nextFloat()) * randomsource.nextFloat() * 2.0F;
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f += (randomsource.nextFloat() - randomsource.nextFloat()) * randomsource.nextFloat() * 4.0F;
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if (j == i && p_190682_ > 1.0F) {
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this.createTunnel(
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p_190671_,
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p_190672_,
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p_190673_,
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p_190674_,
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randomsource.nextLong(),
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p_190676_,
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p_190677_,
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p_190678_,
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p_190679_,
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p_190680_,
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p_190681_,
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randomsource.nextFloat() * 0.5F + 0.5F,
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p_190683_ - (float) (Math.PI / 2),
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p_190684_ / 3.0F,
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j,
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p_190686_,
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1.0,
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p_190688_,
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p_190689_
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);
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this.createTunnel(
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p_190671_,
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p_190672_,
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p_190673_,
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p_190674_,
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randomsource.nextLong(),
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p_190676_,
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p_190677_,
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p_190678_,
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p_190679_,
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p_190680_,
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p_190681_,
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randomsource.nextFloat() * 0.5F + 0.5F,
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p_190683_ + (float) (Math.PI / 2),
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p_190684_ / 3.0F,
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j,
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p_190686_,
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1.0,
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p_190688_,
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p_190689_
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);
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return;
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}
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if (randomsource.nextInt(4) != 0) {
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if (!canReach(p_190673_.getPos(), p_190677_, p_190679_, j, p_190686_, p_190682_)) {
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return;
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}
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this.carveEllipsoid(
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p_190671_,
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p_190672_,
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p_190673_,
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p_190674_,
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p_190676_,
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p_190677_,
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p_190678_,
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p_190679_,
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d0 * p_190680_,
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d1 * p_190681_,
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p_190688_,
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p_190689_
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);
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}
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}
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}
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private static boolean shouldSkip(double p_159196_, double p_159197_, double p_159198_, double p_159199_) {
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return p_159197_ <= p_159199_ ? true : p_159196_ * p_159196_ + p_159197_ * p_159197_ + p_159198_ * p_159198_ >= 1.0;
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}
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}
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