Code/net/minecraft/world/level/levelgen/structure/PoolElementStructurePiece.java

package net.minecraft.world.level.levelgen.structure;

import com.google.common.collect.Lists;
import com.mojang.serialization.Dynamic;
import com.mojang.serialization.DynamicOps;
import java.util.List;
import java.util.Locale;
import net.minecraft.core.BlockPos;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.ListTag;
import net.minecraft.nbt.NbtOps;
import net.minecraft.nbt.Tag;
import net.minecraft.util.RandomSource;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.StructureManager;
import net.minecraft.world.level.WorldGenLevel;
import net.minecraft.world.level.block.Rotation;
import net.minecraft.world.level.chunk.ChunkGenerator;
import net.minecraft.world.level.levelgen.structure.pieces.StructurePieceSerializationContext;
import net.minecraft.world.level.levelgen.structure.pieces.StructurePieceType;
import net.minecraft.world.level.levelgen.structure.pools.JigsawJunction;
import net.minecraft.world.level.levelgen.structure.pools.StructurePoolElement;
import net.minecraft.world.level.levelgen.structure.structures.JigsawStructure;
import net.minecraft.world.level.levelgen.structure.templatesystem.LiquidSettings;
import net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplateManager;

public class PoolElementStructurePiece extends StructurePiece {
    protected final StructurePoolElement element;
    protected BlockPos position;
    private final int groundLevelDelta;
    protected final Rotation rotation;
    private final List<JigsawJunction> junctions = Lists.newArrayList();
    private final StructureTemplateManager structureTemplateManager;
    private final LiquidSettings liquidSettings;

    public PoolElementStructurePiece(
        StructureTemplateManager p_226495_,
        StructurePoolElement p_226496_,
        BlockPos p_226497_,
        int p_226498_,
        Rotation p_226499_,
        BoundingBox p_226500_,
        LiquidSettings p_345422_
    ) {
        super(StructurePieceType.JIGSAW, 0, p_226500_);
        this.structureTemplateManager = p_226495_;
        this.element = p_226496_;
        this.position = p_226497_;
        this.groundLevelDelta = p_226498_;
        this.rotation = p_226499_;
        this.liquidSettings = p_345422_;
    }

    public PoolElementStructurePiece(StructurePieceSerializationContext p_192406_, CompoundTag p_192407_) {
        super(StructurePieceType.JIGSAW, p_192407_);
        this.structureTemplateManager = p_192406_.structureTemplateManager();
        this.position = new BlockPos(p_192407_.getIntOr("PosX", 0), p_192407_.getIntOr("PosY", 0), p_192407_.getIntOr("PosZ", 0));
        this.groundLevelDelta = p_192407_.getIntOr("ground_level_delta", 0);
        DynamicOps<Tag> dynamicops = p_192406_.registryAccess().createSerializationContext(NbtOps.INSTANCE);
        this.element = p_192407_.read("pool_element", StructurePoolElement.CODEC, dynamicops)
            .orElseThrow(() -> new IllegalStateException("Invalid pool element found"));
        this.rotation = p_192407_.read("rotation", Rotation.LEGACY_CODEC).orElseThrow();
        this.boundingBox = this.element.getBoundingBox(this.structureTemplateManager, this.position, this.rotation);
        ListTag listtag = p_192407_.getListOrEmpty("junctions");
        this.junctions.clear();
        listtag.forEach(p_204943_ -> this.junctions.add(JigsawJunction.deserialize(new Dynamic<>(dynamicops, p_204943_))));
        this.liquidSettings = p_192407_.read("liquid_settings", LiquidSettings.CODEC).orElse(JigsawStructure.DEFAULT_LIQUID_SETTINGS);
    }

    @Override
    protected void addAdditionalSaveData(StructurePieceSerializationContext p_192425_, CompoundTag p_192426_) {
        p_192426_.putInt("PosX", this.position.getX());
        p_192426_.putInt("PosY", this.position.getY());
        p_192426_.putInt("PosZ", this.position.getZ());
        p_192426_.putInt("ground_level_delta", this.groundLevelDelta);
        DynamicOps<Tag> dynamicops = p_192425_.registryAccess().createSerializationContext(NbtOps.INSTANCE);
        p_192426_.store("pool_element", StructurePoolElement.CODEC, dynamicops, this.element);
        p_192426_.store("rotation", Rotation.LEGACY_CODEC, this.rotation);
        ListTag listtag = new ListTag();

        for (JigsawJunction jigsawjunction : this.junctions) {
            listtag.add(jigsawjunction.serialize(dynamicops).getValue());
        }

        p_192426_.put("junctions", listtag);
        if (this.liquidSettings != JigsawStructure.DEFAULT_LIQUID_SETTINGS) {
            p_192426_.store("liquid_settings", LiquidSettings.CODEC, dynamicops, this.liquidSettings);
        }
    }

    @Override
    public void postProcess(
        WorldGenLevel p_226502_,
        StructureManager p_226503_,
        ChunkGenerator p_226504_,
        RandomSource p_226505_,
        BoundingBox p_226506_,
        ChunkPos p_226507_,
        BlockPos p_226508_
    ) {
        this.place(p_226502_, p_226503_, p_226504_, p_226505_, p_226506_, p_226508_, false);
    }

    public void place(
        WorldGenLevel p_226510_,
        StructureManager p_226511_,
        ChunkGenerator p_226512_,
        RandomSource p_226513_,
        BoundingBox p_226514_,
        BlockPos p_226515_,
        boolean p_226516_
    ) {
        this.element
            .place(
                this.structureTemplateManager, p_226510_, p_226511_, p_226512_, this.position, p_226515_, this.rotation, p_226514_, p_226513_, this.liquidSettings, p_226516_
            );
    }

    @Override
    public void move(int p_72616_, int p_72617_, int p_72618_) {
        super.move(p_72616_, p_72617_, p_72618_);
        this.position = this.position.offset(p_72616_, p_72617_, p_72618_);
    }

    @Override
    public Rotation getRotation() {
        return this.rotation;
    }

    @Override
    public String toString() {
        return String.format(Locale.ROOT, "<%s | %s | %s | %s>", this.getClass().getSimpleName(), this.position, this.rotation, this.element);
    }

    public StructurePoolElement getElement() {
        return this.element;
    }

    public BlockPos getPosition() {
        return this.position;
    }

    public int getGroundLevelDelta() {
        return this.groundLevelDelta;
    }

    public void addJunction(JigsawJunction p_209917_) {
        this.junctions.add(p_209917_);
    }

    public List<JigsawJunction> getJunctions() {
        return this.junctions;
    }
}