Tags, surface builders, biome API (WIP), processors, features

src/main/java/ru/bclib/api/BCLibTags.java

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+package ru.bclib.api;
+
+import java.util.function.Supplier;
+
+import net.fabricmc.fabric.api.tag.TagRegistry;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.tags.BlockTags;
+import net.minecraft.tags.ItemTags;
+import net.minecraft.tags.Tag;
+import net.minecraft.tags.Tag.Named;
+import net.minecraft.tags.TagCollection;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.Items;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.Blocks;
+import ru.bclib.BCLib;
+import ru.bclib.util.TagHelper;
+
+public class BCLibTags {
+	// Block Tags
+	public static final Tag.Named<Block> BOOKSHELVES = makeCommonBlockTag("bookshelves");
+	public static final Tag.Named<Block> GEN_TERRAIN = makeBlockTag(BCLib.MOD_ID, "gen_terrain");
+	public static final Tag.Named<Block> NETHER_GROUND = makeBlockTag(BCLib.MOD_ID, "nether_ground");
+	public static final Tag.Named<Block> END_GROUND = makeBlockTag(BCLib.MOD_ID, "end_ground");
+	
+	public static final Tag.Named<Block> BLOCK_CHEST = makeCommonBlockTag("chest");
+	public static final Tag.Named<Block> END_STONES = makeCommonBlockTag("end_stones");
+	public static final Tag.Named<Block> NETHER_STONES = makeCommonBlockTag("nether_stones");
+	
+	public static final Tag.Named<Block> DRAGON_IMMUNE = getMCBlockTag("dragon_immune");
+	
+	// Item Tags
+	public static final Tag.Named<Item> ITEM_CHEST = makeCommonItemTag("chest");
+	public static final Tag.Named<Item> IRON_INGOTS = makeCommonItemTag("iron_ingots");
+	public static final Tag.Named<Item> FURNACES = makeCommonItemTag("furnaces");
+	public final static Tag.Named<Item> HAMMERS = makeItemTag("fabric", "hammers");
+
+	/**
+	 * Get or create {@link Tag.Named}.
+	 * @param containerSupplier - {@link TagCollection} {@link Supplier} tag collection;
+	 * @param id - {@link ResourceLocation} tag id.
+	 * @return {@link Tag.Named}.
+	 */
+	public static <T> Tag.Named<T> makeTag(Supplier<TagCollection<T>> containerSupplier, ResourceLocation id) {
+		Tag<T> tag = containerSupplier.get().getTag(id);
+		return tag == null ? TagRegistry.create(id, containerSupplier) : (Named<T>) tag;
+	}
+
+	/**
+	 * Get or create {@link Block} {@link Tag.Named} with mod namespace.
+	 * @param modID - {@link String} mod namespace (mod id);
+	 * @param name - {@link String} tag name.
+	 * @return {@link Block} {@link Tag.Named}.
+	 */
+	public static Tag.Named<Block> makeBlockTag(String modID, String name) {
+		return makeTag(BlockTags::getAllTags, new ResourceLocation(modID, name));
+	}
+	
+	/**
+	 * Get or create {@link Item} {@link Tag.Named} with mod namespace.
+	 * @param modID - {@link String} mod namespace (mod id);
+	 * @param name - {@link String} tag name.
+	 * @return {@link Item} {@link Tag.Named}.
+	 */
+	public static Tag.Named<Item> makeItemTag(String modID, String name) {
+		return makeTag(ItemTags::getAllTags, new ResourceLocation(modID, name));
+	}
+	
+	/**
+	 * Get or create {@link Block} {@link Tag.Named}.
+	 * @see <a href="https://fabricmc.net/wiki/tutorial:tags">Fabric Wiki (Tags)</a>
+	 * @param name - {@link String} tag name.
+	 * @return {@link Block} {@link Tag.Named}.
+	 */
+	public static Tag.Named<Block> makeCommonBlockTag(String name) {
+		return makeTag(BlockTags::getAllTags, new ResourceLocation("c", name));
+	}
+	
+	/**
+	 * Get or create {@link Item} {@link Tag.Named}.
+	 * @see <a href="https://fabricmc.net/wiki/tutorial:tags">Fabric Wiki (Tags)</a>
+	 * @param name - {@link String} tag name.
+	 * @return {@link Item} {@link Tag.Named}.
+	 */
+	public static Tag.Named<Item> makeCommonItemTag(String name) {
+		return makeTag(ItemTags::getAllTags, new ResourceLocation("c", name));
+	}
+	
+	/**
+	 * Get or create Minecraft {@link Block} {@link Tag.Named}.
+	 * @param name - {@link String} tag name.
+	 * @return {@link Block} {@link Tag.Named}.
+	 */
+	public static Tag.Named<Block> getMCBlockTag(String name) {
+		ResourceLocation id = new ResourceLocation(name);
+		Tag<Block> tag = BlockTags.getAllTags().getTag(id);
+		return tag == null ? (Named<Block>) TagRegistry.block(id) : (Named<Block>) tag;
+	}
+	
+	/**
+	 * Adds {@link Block} to NETHER_GROUND and GEN_TERRAIN tags to process it properly in terrain generators and block logic.
+	 * @param block - {@link Block}.
+	 */
+	public static void addNetherGround(Block block) {
+		TagHelper.addTag(NETHER_GROUND, block);
+		TagHelper.addTag(GEN_TERRAIN, block);
+	}
+	
+	/**
+	 * Adds {@link Block} to END_GROUND and GEN_TERRAIN tags to process it properly in terrain generators and block logic.
+	 * @param block - {@link Block}.
+	 */
+	public static void addEndGround(Block block) {
+		TagHelper.addTag(GEN_TERRAIN, block);
+		TagHelper.addTag(END_GROUND, block);
+	}
+	
+	/**
+	 * Initializes basic tags. Should be called only in BCLib main class.
+	 */
+	public static void init() {
+		TagHelper.addTag(BOOKSHELVES, Blocks.BOOKSHELF);
+		TagHelper.addTag(GEN_TERRAIN, Blocks.END_STONE, Blocks.NETHERRACK, Blocks.SOUL_SAND, Blocks.SOUL_SOIL);
+		TagHelper.addTag(NETHER_GROUND, Blocks.NETHERRACK, Blocks.SOUL_SAND, Blocks.SOUL_SOIL);
+		TagHelper.addTag(END_GROUND, Blocks.END_STONE);
+		TagHelper.addTag(BLOCK_CHEST, Blocks.CHEST);
+		TagHelper.addTag(ITEM_CHEST, Items.CHEST);
+		TagHelper.addTag(IRON_INGOTS, Items.IRON_INGOT);
+		TagHelper.addTag(FURNACES, Blocks.FURNACE);
+	}
+}

src/main/java/ru/bclib/api/SurfaceBuilders.java

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+package ru.bclib.api;
+
+import net.minecraft.core.Registry;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.levelgen.surfacebuilders.SurfaceBuilder;
+import net.minecraft.world.level.levelgen.surfacebuilders.SurfaceBuilderBaseConfiguration;
+
+public class SurfaceBuilders {
+	public static SurfaceBuilder<SurfaceBuilderBaseConfiguration> register(String name, SurfaceBuilder<SurfaceBuilderBaseConfiguration> builder) {
+		return Registry.register(Registry.SURFACE_BUILDER, name, builder);
+	}
+	
+	public static SurfaceBuilderBaseConfiguration makeSimpleConfig(Block block) {
+		BlockState state = block.defaultBlockState();
+		return new SurfaceBuilderBaseConfiguration(state, state, state);
+	}
+	
+	public static void register() {}
+}