Code/net/minecraft/data/BlockFamily.java

package net.minecraft.data;

import com.google.common.collect.Maps;
import java.util.Map;
import java.util.Optional;
import javax.annotation.Nullable;
import net.minecraft.util.StringUtil;
import net.minecraft.world.level.block.Block;

public class BlockFamily {
    private final Block baseBlock;
    final Map<BlockFamily.Variant, Block> variants = Maps.newHashMap();
    boolean generateModel = true;
    boolean generateRecipe = true;
    @Nullable
    String recipeGroupPrefix;
    @Nullable
    String recipeUnlockedBy;

    BlockFamily(Block p_175950_) {
        this.baseBlock = p_175950_;
    }

    public Block getBaseBlock() {
        return this.baseBlock;
    }

    public Map<BlockFamily.Variant, Block> getVariants() {
        return this.variants;
    }

    public Block get(BlockFamily.Variant p_175953_) {
        return this.variants.get(p_175953_);
    }

    public boolean shouldGenerateModel() {
        return this.generateModel;
    }

    public boolean shouldGenerateRecipe() {
        return this.generateRecipe;
    }

    public Optional<String> getRecipeGroupPrefix() {
        return StringUtil.isBlank(this.recipeGroupPrefix) ? Optional.empty() : Optional.of(this.recipeGroupPrefix);
    }

    public Optional<String> getRecipeUnlockedBy() {
        return StringUtil.isBlank(this.recipeUnlockedBy) ? Optional.empty() : Optional.of(this.recipeUnlockedBy);
    }

    public static class Builder {
        private final BlockFamily family;

        public Builder(Block p_175961_) {
            this.family = new BlockFamily(p_175961_);
        }

        public BlockFamily getFamily() {
            return this.family;
        }

        public BlockFamily.Builder button(Block p_175964_) {
            this.family.variants.put(BlockFamily.Variant.BUTTON, p_175964_);
            return this;
        }

        public BlockFamily.Builder chiseled(Block p_175972_) {
            this.family.variants.put(BlockFamily.Variant.CHISELED, p_175972_);
            return this;
        }

        public BlockFamily.Builder mosaic(Block p_251947_) {
            this.family.variants.put(BlockFamily.Variant.MOSAIC, p_251947_);
            return this;
        }

        public BlockFamily.Builder cracked(Block p_175977_) {
            this.family.variants.put(BlockFamily.Variant.CRACKED, p_175977_);
            return this;
        }

        public BlockFamily.Builder cut(Block p_175979_) {
            this.family.variants.put(BlockFamily.Variant.CUT, p_175979_);
            return this;
        }

        public BlockFamily.Builder door(Block p_175981_) {
            this.family.variants.put(BlockFamily.Variant.DOOR, p_175981_);
            return this;
        }

        public BlockFamily.Builder customFence(Block p_248790_) {
            this.family.variants.put(BlockFamily.Variant.CUSTOM_FENCE, p_248790_);
            return this;
        }

        public BlockFamily.Builder fence(Block p_175983_) {
            this.family.variants.put(BlockFamily.Variant.FENCE, p_175983_);
            return this;
        }

        public BlockFamily.Builder customFenceGate(Block p_251301_) {
            this.family.variants.put(BlockFamily.Variant.CUSTOM_FENCE_GATE, p_251301_);
            return this;
        }

        public BlockFamily.Builder fenceGate(Block p_175985_) {
            this.family.variants.put(BlockFamily.Variant.FENCE_GATE, p_175985_);
            return this;
        }

        public BlockFamily.Builder sign(Block p_175966_, Block p_175967_) {
            this.family.variants.put(BlockFamily.Variant.SIGN, p_175966_);
            this.family.variants.put(BlockFamily.Variant.WALL_SIGN, p_175967_);
            return this;
        }

        public BlockFamily.Builder slab(Block p_175987_) {
            this.family.variants.put(BlockFamily.Variant.SLAB, p_175987_);
            return this;
        }

        public BlockFamily.Builder stairs(Block p_175989_) {
            this.family.variants.put(BlockFamily.Variant.STAIRS, p_175989_);
            return this;
        }

        public BlockFamily.Builder pressurePlate(Block p_175991_) {
            this.family.variants.put(BlockFamily.Variant.PRESSURE_PLATE, p_175991_);
            return this;
        }

        public BlockFamily.Builder polished(Block p_175993_) {
            this.family.variants.put(BlockFamily.Variant.POLISHED, p_175993_);
            return this;
        }

        public BlockFamily.Builder trapdoor(Block p_175995_) {
            this.family.variants.put(BlockFamily.Variant.TRAPDOOR, p_175995_);
            return this;
        }

        public BlockFamily.Builder wall(Block p_175997_) {
            this.family.variants.put(BlockFamily.Variant.WALL, p_175997_);
            return this;
        }

        public BlockFamily.Builder dontGenerateModel() {
            this.family.generateModel = false;
            return this;
        }

        public BlockFamily.Builder dontGenerateRecipe() {
            this.family.generateRecipe = false;
            return this;
        }

        public BlockFamily.Builder recipeGroupPrefix(String p_175969_) {
            this.family.recipeGroupPrefix = p_175969_;
            return this;
        }

        public BlockFamily.Builder recipeUnlockedBy(String p_175974_) {
            this.family.recipeUnlockedBy = p_175974_;
            return this;
        }
    }

    public static enum Variant {
        BUTTON("button"),
        CHISELED("chiseled"),
        CRACKED("cracked"),
        CUT("cut"),
        DOOR("door"),
        CUSTOM_FENCE("fence"),
        FENCE("fence"),
        CUSTOM_FENCE_GATE("fence_gate"),
        FENCE_GATE("fence_gate"),
        MOSAIC("mosaic"),
        SIGN("sign"),
        SLAB("slab"),
        STAIRS("stairs"),
        PRESSURE_PLATE("pressure_plate"),
        POLISHED("polished"),
        TRAPDOOR("trapdoor"),
        WALL("wall"),
        WALL_SIGN("wall_sign");

        private final String recipeGroup;

        private Variant(final String p_176019_) {
            this.recipeGroup = p_176019_;
        }

        public String getRecipeGroup() {
            return this.recipeGroup;
        }
    }
}