Differences

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--- tutorial:datagen_loot [2025/04/01 13:23] – solidblock
+++ tutorial:datagen_loot [2025/04/01 13:47] (current) – solidblock
@@ Line 4: / Line 4: @@
 ===== Block loot tables =====
-To create add a data generation for block loot tables, just create a class which extends ''FabricBlockLootTableProvider''.
+To add a data generation for block loot tables, just create a class which extends ''FabricBlockLootTableProvider''.
 <code java TutorialBlockLootTableProvider.java>
@@ Line 20: / Line 20: @@
 And then, add this data generation in the entrypoint (we use ''ExampleModDataGenerator'' as an example):
-<code>
+<code java ExampleModDataGenerator.java>
 public class ExampleModDataGenerator implements DataGeneratorEntrypoint {
   @Override
@@ Line 34: / Line 34: @@
 In the previous [[blocks]] tutorial, we created an //example block//. Now let's use the data generator to generate its loot table. It's as simple as:
-<code java TutorialBlockLootTableProvider>
+<code java TutorialBlockLootTableProvider.java>
   @Override
   public void generate() {
@@ Line 48: / Line 48: @@
     addDrop(TutorialBlocks.EXAMPLE_BLOCK, dropsNothing());
-    // drops a dirt when mined
+    // drops a dirt block
     addDrop(TutorialBlocks.EXAMPLE_BLOCK, Blocks.DIRT);
@@ Line 60: / Line 60: @@
     addDrop(TutorialBlocks.EXAMPLE_BLOCK, dropsWithSilkTouchOrShears(TutorialBlocks.EXAMPLE_BLOCK));
-    // drops three blocks
+    // drops five blocks
-    addDrop(TutorialBlocks.EXAMPLE_BLOCK, drops(TutorialBlocks.EXAMPLE_BLOCK).apply(SetCountLootFunction.builder(ConstantLootNumberProvider.create(5))));
+    addDrop(TutorialBlocks.EXAMPLE_BLOCK, drops(TutorialBlocks.EXAMPLE_BLOCK)
+        .apply(SetCountLootFunction.builder(ConstantLootNumberProvider.create(5))));
 </code>
-You can also generate data for the [[crops]] we introduced before:
+You can also generate loot tables for the [[crops]] we introduced before:
 <code java>
-    addDrop(TutorialBlocks.CUSTOM_CROP, cropDrops(TutorialBlocks.CUSTOM_CROP, TutorialItems.CUSTOM_ITEM, TutorialItems.CUSTOM_SEEDS, BlockStatePropertyLootCondition.builder(Blocks.WHEAT).properties(StatePredicate.Builder.create().exactMatch(CropBlock.AGE, 7))));
+    addDrop(TutorialBlocks.CUSTOM_CROP, cropDrops(TutorialBlocks.CUSTOM_CROP, TutorialItems.CUSTOM_ITEM, TutorialItems.CUSTOM_SEEDS, BlockStatePropertyLootCondition.builder(TutorialBlocks.CUSTOM_CROP).properties(StatePredicate.Builder.create().exactMatch(CropBlock.AGE, 7))));
 </code>
-==== Adding Chest Loot ====
+===== Simple Loot Table =====
-Firstly, we need an identifier. This identifier points to a json file that contains your chest loot.
+To add a simple loot table, which can also be used in many occasions, such as chests, we just extend ''SimpleFabricLootTableProvider''.
+<code java TutorialChestLootTableProvider.java>
+public class TutorialChestLootTableProvider extends SimpleFabricLootTableProvider {
+  public TutorialChestLootTableProvider(FabricDataOutput output, CompletableFuture<RegistryWrapper.WrapperLookup> registryLookup) {
+    super(output, registryLookup, LootContextTypes.CHEST);
+  }
-<code java>
+  public static final RegistryKey<LootTable> TEST_CHEST = RegistryKey.of(RegistryKeys.LOOT_TABLE, Identifier.of("tutorial", "test_chest"));
-// In Tutorial class
-public static final Identifier TEST_CHEST = new Identifier("tutorial", "chests/test_loot");
-</code>
-Let's create a chest loot table generator and register it like so.
+  @Override
+  public void accept(BiConsumer<RegistryKey<LootTable>, LootTable.Builder> lootTableBiConsumer) {
-<code java>
+    lootTableBiConsumer.accept(TEST_CHEST, LootTable.builder()
+        .pool(LootPool.builder().rolls(ConstantLootNumberProvider.create(1.0F))
-private static class MyChestLootTables extends SimpleFabricLootTableProvider {
+            .with(ItemEntry.builder(Items.DIAMOND)
-    public MyChestLootGenerator(FabricDataOutput dataGenerator) {
+                .apply(SetCountLootFunction.builder(ConstantLootNumberProvider.create(1.0F))))
-	super(dataGenerator, LootContextTypes.CHEST);
+            .with(ItemEntry.builder(Items.DIAMOND_SWORD)))
-    }
+    );
+  }
-    @Override
-    public void accept(BiConsumer<Identifier, LootTable.Builder> biConsumer) {
-        biConsumer.accept(Tutorial.TEST_CHEST, LootTable.builder()
-                  .pool(LootPool.builder().rolls(ConstantLootNumberProvider.create(1.0F))
-                  .with(ItemEntry.builder(Items.DIAMOND)
-				.apply(SetCountLootFunction.builder(ConstantLootNumberProvider.create(1.0F))))
-                  .with(ItemEntry.builder(Items.DIAMOND_SWORD)).apply(EnchantWithLevelsLootFunction.create(UniformLootNumberProvider.create(20.0F, 39.0F))))
-        );
-    }
 }
+</code>
-// ...
+And then in your entry point:
+<code java ExampleModDataGenerator.java>
+public class ExampleModDataGenerator implements DataGeneratorEntrypoint {
+  @Override
+  public void onInitializeDataGenerator(FabricDataGenerator generator) {
+    // ...
-@Override
+    pack.addProvider(TutorialChestLootTableProvider::new);
-public void onInitializeDataGenerator(FabricDataGenerator fabricDataGenerator) {
+  }
-    FabricDataGenerator.Pack myPack = fabricDataGenerator.createPack();
-    myPack.addProvider(MyChestLootTables::new);
 }
 </code>
-If you're using versions pre-1.20, please replace ''myPack.addProvider(MyBlockLootTables::new);'' with ''fabricDataGenerator.addProvider(MyBlockLootTables::new);''。You can also remove ''FabricDataGenerator.Pack myPack = fabricDataGenerator.createPack();''。
+> If you're using versions pre-1.20, please replace ''pack.addProvider(TutorialChestLootTableProvider::new);'' with ''fabricDataGenerator.addProvider(TutorialChestLootTableProvider::new);'', and remove ''FabricDataGenerator.Pack myPack = fabricDataGenerator.createPack();''.
+Now run the data generator, then start Minecraft and run the command ''/loot give @s loot tutorial:test_chest'' multiple times. See what happens! You can also try running the command ''/setblock ~ ~ ~ chest{LootTable:"tutorial:test_chest"}'' and open the chest.