minecraft-src/net/minecraft/data/BlockFamily.java

package net.minecraft.data;

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

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

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

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

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

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

	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 baseBlock) {
			this.family = new BlockFamily(baseBlock);
		}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

		public BlockFamily.Builder recipeUnlockedBy(String recipeUnlockedBy) {
			this.family.recipeUnlockedBy = recipeUnlockedBy;
			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 variantName) {
			this.recipeGroup = variantName;
		}

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