Code/net/minecraft/world/level/levelgen/feature/foliageplacers/CherryFoliagePlacer.java

package net.minecraft.world.level.levelgen.feature.foliageplacers;

import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
import net.minecraft.core.BlockPos;
import net.minecraft.util.RandomSource;
import net.minecraft.util.valueproviders.IntProvider;
import net.minecraft.world.level.LevelSimulatedReader;
import net.minecraft.world.level.levelgen.feature.configurations.TreeConfiguration;

public class CherryFoliagePlacer extends FoliagePlacer {
    public static final MapCodec<CherryFoliagePlacer> CODEC = RecordCodecBuilder.mapCodec(
        p_273246_ -> foliagePlacerParts(p_273246_)
            .and(
                p_273246_.group(
                    IntProvider.codec(4, 16).fieldOf("height").forGetter(p_273527_ -> p_273527_.height),
                    Codec.floatRange(0.0F, 1.0F).fieldOf("wide_bottom_layer_hole_chance").forGetter(p_273760_ -> p_273760_.wideBottomLayerHoleChance),
                    Codec.floatRange(0.0F, 1.0F).fieldOf("corner_hole_chance").forGetter(p_273020_ -> p_273020_.wideBottomLayerHoleChance),
                    Codec.floatRange(0.0F, 1.0F).fieldOf("hanging_leaves_chance").forGetter(p_273148_ -> p_273148_.hangingLeavesChance),
                    Codec.floatRange(0.0F, 1.0F).fieldOf("hanging_leaves_extension_chance").forGetter(p_273098_ -> p_273098_.hangingLeavesExtensionChance)
                )
            )
            .apply(p_273246_, CherryFoliagePlacer::new)
    );
    private final IntProvider height;
    private final float wideBottomLayerHoleChance;
    private final float cornerHoleChance;
    private final float hangingLeavesChance;
    private final float hangingLeavesExtensionChance;

    public CherryFoliagePlacer(
        IntProvider p_272646_, IntProvider p_272802_, IntProvider p_273604_, float p_272737_, float p_273720_, float p_273152_, float p_273529_
    ) {
        super(p_272646_, p_272802_);
        this.height = p_273604_;
        this.wideBottomLayerHoleChance = p_272737_;
        this.cornerHoleChance = p_273720_;
        this.hangingLeavesChance = p_273152_;
        this.hangingLeavesExtensionChance = p_273529_;
    }

    @Override
    protected FoliagePlacerType<?> type() {
        return FoliagePlacerType.CHERRY_FOLIAGE_PLACER;
    }

    @Override
    protected void createFoliage(
        LevelSimulatedReader p_272723_,
        FoliagePlacer.FoliageSetter p_273410_,
        RandomSource p_273057_,
        TreeConfiguration p_273220_,
        int p_272975_,
        FoliagePlacer.FoliageAttachment p_273037_,
        int p_273647_,
        int p_273700_,
        int p_273188_
    ) {
        boolean flag = p_273037_.doubleTrunk();
        BlockPos blockpos = p_273037_.pos().above(p_273188_);
        int i = p_273700_ + p_273037_.radiusOffset() - 1;
        this.placeLeavesRow(p_272723_, p_273410_, p_273057_, p_273220_, blockpos, i - 2, p_273647_ - 3, flag);
        this.placeLeavesRow(p_272723_, p_273410_, p_273057_, p_273220_, blockpos, i - 1, p_273647_ - 4, flag);

        for (int j = p_273647_ - 5; j >= 0; j--) {
            this.placeLeavesRow(p_272723_, p_273410_, p_273057_, p_273220_, blockpos, i, j, flag);
        }

        this.placeLeavesRowWithHangingLeavesBelow(p_272723_, p_273410_, p_273057_, p_273220_, blockpos, i, -1, flag, this.hangingLeavesChance, this.hangingLeavesExtensionChance);
        this.placeLeavesRowWithHangingLeavesBelow(p_272723_, p_273410_, p_273057_, p_273220_, blockpos, i - 1, -2, flag, this.hangingLeavesChance, this.hangingLeavesExtensionChance);
    }

    @Override
    public int foliageHeight(RandomSource p_273679_, int p_273336_, TreeConfiguration p_273643_) {
        return this.height.sample(p_273679_);
    }

    @Override
    protected boolean shouldSkipLocation(RandomSource p_273294_, int p_273380_, int p_272865_, int p_272853_, int p_272631_, boolean p_273432_) {
        if (p_272865_ == -1 && (p_273380_ == p_272631_ || p_272853_ == p_272631_) && p_273294_.nextFloat() < this.wideBottomLayerHoleChance) {
            return true;
        } else {
            boolean flag = p_273380_ == p_272631_ && p_272853_ == p_272631_;
            boolean flag1 = p_272631_ > 2;
            return flag1
                ? flag || p_273380_ + p_272853_ > p_272631_ * 2 - 2 && p_273294_.nextFloat() < this.cornerHoleChance
                : flag && p_273294_.nextFloat() < this.cornerHoleChance;
        }
    }
}