closes and fixes #7

src/generated/resources/.cache/e0d3d0b8d9c807675613821fa865a35f707cd83f

@@ -0,0 +1,2 @@
+// 1.21	2024-10-01T22:03:29.4033395	Data Maps
+cd167d458df01c70b8fdf741124c5cb6ad903930 data/neoforge/data_maps/item/compostables.json

src/generated/resources/data/neoforge/data_maps/item/compostables.json

@@ -0,0 +1,11 @@
+{
+  "values": {
+    "cottonly:cotton_ball": {
+      "chance": 0.65
+    },
+    "cottonly:cotton_seeds": {
+      "can_villager_compost": true,
+      "chance": 0.3
+    }
+  }
+}

src/main/java/net/manmaed/cottonly/Cottonly.java

@@ -9,10 +9,8 @@
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.Items;
-import net.minecraft.world.level.block.ComposterBlock;
 import net.neoforged.bus.api.IEventBus;
 import net.neoforged.fml.common.Mod;
-import net.neoforged.fml.event.lifecycle.FMLCommonSetupEvent;
 import net.neoforged.neoforge.registries.DeferredHolder;
 import net.neoforged.neoforge.registries.DeferredRegister;
 
@@ -49,19 +47,9 @@ public class Cottonly {
     public Cottonly(IEventBus eventBus) {
         CItems.ITEMS.register(eventBus);
         CBlocks.BLOCKS.register(eventBus);
-        eventBus.addListener(this::init);
         CLoots.LOOT_MODIFIERS.register(eventBus);
         CREATIVE_MODE_TABS.register(eventBus);
         eventBus.addListener(CottonlyClient::doClientStuff);
 
     }
-
-    private void init(FMLCommonSetupEvent event) {
-        registerCompostable(0.65F, CItems.COTTON_SEED.get());
-    }
-
-    private static void registerCompostable(float chance, Item itemIn) {
-        ComposterBlock.COMPOSTABLES.put(itemIn, chance);
-    }
-
 }

src/main/java/net/manmaed/cottonly/datagenerators/CottonDataMaps.java

@@ -0,0 +1,33 @@
+package net.manmaed.cottonly.datagenerators;
+
+import net.manmaed.cottonly.items.CItems;
+import net.minecraft.core.HolderLookup;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.data.PackOutput;
+import net.neoforged.neoforge.common.data.DataMapProvider;
+import net.neoforged.neoforge.registries.datamaps.builtin.Compostable;
+import net.neoforged.neoforge.registries.datamaps.builtin.NeoForgeDataMaps;
+
+import java.util.concurrent.CompletableFuture;
+
+public class CottonDataMaps extends DataMapProvider {
+
+    public CottonDataMaps(PackOutput packOutput, CompletableFuture<HolderLookup.Provider> lookupProvider) {
+        super(packOutput, lookupProvider);
+    }
+
+    @Override
+    protected void gather() {
+        builder(NeoForgeDataMaps.COMPOSTABLES)
+                .add(BuiltInRegistries.ITEM.wrapAsHolder(CItems.COTTON_SEED.get()), new Compostable(0.3F, true), false)
+                .add(BuiltInRegistries.ITEM.wrapAsHolder(CItems.COTTON_BALL.get()), new Compostable(0.65F), false);
+        ;
+    }
+
+    /* how it should look like
+      "minecraft:wheat_seeds": {
+      "can_villager_compost": true,
+      "chance": 0.3
+    }
+     */
+}

src/main/java/net/manmaed/cottonly/datagenerators/CottonlyDataGeneration.java

@@ -29,5 +29,6 @@ public static void gatherData(GatherDataEvent event) {
         generator.addProvider(true, new CottonLootTables(packOutput, lookupProvider));
         generator.addProvider(true, new CottonBlockStateProvider(packOutput, fileHelper));
         CottonLanguageProvider.addTranslations(generator);
+        generator.addProvider(true, new CottonDataMaps(packOutput, lookupProvider));
     }
 }