mostly done, but still null for some references

src/main/java/de/jottyfan/minecraft/Quickly.java

@@ -7,6 +7,14 @@ import de.jottyfan.minecraft.block.QuicklyBlocks;
 import de.jottyfan.minecraft.feature.QuicklyFeatures;
 import de.jottyfan.minecraft.item.QuicklyItems;
 import net.fabricmc.api.ModInitializer;
+import net.fabricmc.fabric.api.loot.v3.LootTableEvents;
+import net.fabricmc.fabric.api.registry.CompostingChanceRegistry;
+import net.minecraft.world.item.Items;
+import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.storage.loot.LootPool;
+import net.minecraft.world.level.storage.loot.entries.LootItem;
+import net.minecraft.world.level.storage.loot.providers.number.ConstantValue;
+
 
 /**
  *
@@ -18,6 +26,27 @@ public class Quickly implements ModInitializer {
 
 	public static final Logger LOGGER = LogManager.getLogger(MOD_ID);
 
+	private void registerComposterItems() {
+		CompostingChanceRegistry.INSTANCE.add(QuicklyItems.COTTONSEED, 0.5f);
+		CompostingChanceRegistry.INSTANCE.add(QuicklyItems.COTTON, 0.75f);
+	}
+
+	private void registerLootTableChanges() {
+		LootTableEvents.MODIFY.register((key, tableBuilder, source, registries) -> {
+			if (source.isBuiltin()) {
+				if (Blocks.SHORT_GRASS.getLootTable().equals(key)) {
+					LootPool.Builder poolBuilder = LootPool.lootPool()
+							.setRolls(ConstantValue.exactly(1f))
+							.add(LootItem.lootTableItem(Items.AIR).setWeight(4))
+							.add(LootItem.lootTableItem(QuicklyItems.COTTONSEED).setWeight(1));
+					tableBuilder.withPool(poolBuilder);
+				} else if (Blocks.TALL_GRASS.getLootTable().equals(key)) {
+					// for the canola loot table block later
+				}
+			}
+		});
+	}
+
 	@Override
 	public void onInitialize() {
 		LOGGER.info("loading {}", MOD_ID);
@@ -25,5 +54,8 @@ public class Quickly implements ModInitializer {
 		QuicklyItems.registerModItems();
 		QuicklyBlocks.registerModBlocks();
 		QuicklyFeatures.registerFeatures();
+		registerComposterItems();
+		registerLootTableChanges();
+
 	}
 }

src/main/java/de/jottyfan/minecraft/QuicklyClient.java

@@ -1,8 +1,9 @@
 package de.jottyfan.minecraft;
 
 import de.jottyfan.minecraft.block.QuicklyBlocks;
-import de.jottyfan.minecraft.item.QuicklyItems;
 import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.rendering.v1.BlockRenderLayerMap;
+import net.minecraft.client.renderer.chunk.ChunkSectionLayer;
 
 /**
  *
@@ -13,5 +14,6 @@ public class QuicklyClient implements ClientModInitializer {
 
 	@Override
 	public void onInitializeClient() {
+		BlockRenderLayerMap.putBlock(QuicklyBlocks.COTTONPLANT, ChunkSectionLayer.CUTOUT);
 	}
 }

src/main/java/de/jottyfan/minecraft/block/BlockPlant.java

@@ -0,0 +1,64 @@
+package de.jottyfan.minecraft.block;
+
+import java.util.List;
+import java.util.Random;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.resources.Identifier;
+import net.minecraft.world.Containers;
+import net.minecraft.world.InteractionResult;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.CropBlock;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.storage.loot.LootParams.Builder;
+import net.minecraft.world.phys.BlockHitResult;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+public class BlockPlant extends CropBlock {
+
+	private Identifier seed;
+	private Identifier fruit;
+
+	public BlockPlant(Properties properties, Identifier seed, Identifier fruit) {
+		super(properties);
+		this.seed = seed;
+		this.fruit = fruit;
+	}
+
+	@Override
+	protected List<ItemStack> getDrops(BlockState state, Builder builder) {
+		List<ItemStack> list = List.of(new ItemStack(getSeed()));
+		if (isMaxAge(state)) {
+			list.add(new ItemStack(getSeed(), new Random().nextInt(2)));
+			list.add(new ItemStack(getFruit(), new Random().nextFloat() > 0.9f ? 2 : 1));
+		}
+		return list;
+	}
+
+	private Item getFruit() {
+		return BuiltInRegistries.ITEM.getValue(fruit);
+	}
+
+	public Item getSeed() {
+		return BuiltInRegistries.ITEM.getValue(seed);
+	}
+
+	@Override
+	protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player,
+			BlockHitResult hitResult) {
+		if (!level.isClientSide() && isMaxAge(state)) {
+			Containers.dropItemStack(level, pos.getX(), pos.getY(), pos.getZ(), new ItemStack(getSeed()));
+			level.setBlock(pos, state.setValue(AGE, 0), 2);
+			return InteractionResult.SUCCESS;
+		}
+		return InteractionResult.PASS;
+	}
+}

src/main/java/de/jottyfan/minecraft/block/QuicklyBlocks.java

@@ -13,6 +13,7 @@ import net.minecraft.world.item.BlockItem;
 import net.minecraft.world.item.CreativeModeTabs;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.SoundType;
 import net.minecraft.world.level.block.state.BlockBehaviour.Properties;
 
@@ -28,6 +29,8 @@ public class QuicklyBlocks {
 	public static final Block ORETURQUOISE = registerBlock("oreturquoise", p -> new BlockOreTurquoise(p));
 	public static final Block OREDEEPSLATETURQUOISE = registerBlock("oredeepslateturquoise",
 			p -> new BlockOreDeepslateTurquoise(p));
+	public static final Block COTTONPLANT = registerBlock("blockcottonplant", Properties.ofFullCopy(Blocks.WHEAT),
+			p -> new BlockPlant(p, Identifier.fromNamespaceAndPath(Quickly.MOD_ID, "cottonseed"), Identifier.fromNamespaceAndPath(Quickly.MOD_ID, "cotton")));
 
 	private static final Block registerBlock(String name, Properties properties) {
 		return QuicklyBlocks.registerBlock(name, properties, p -> new Block(p));
@@ -53,6 +56,7 @@ public class QuicklyBlocks {
 			block.accept(TURQUOISEBLOCK);
 			block.accept(ORETURQUOISE);
 			block.accept(OREDEEPSLATETURQUOISE);
+			block.accept(COTTONPLANT);
 		});
 	}
 }

src/main/java/de/jottyfan/minecraft/item/Plant.java

@@ -0,0 +1,41 @@
+package de.jottyfan.minecraft.item;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.resources.Identifier;
+import net.minecraft.world.InteractionResult;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.context.UseOnContext;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.state.BlockState;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+public class Plant extends Item {
+
+	private Identifier identifier;
+
+	public Plant(Properties properties, Identifier identifier) {
+		super(properties);
+		this.identifier = identifier;
+	}
+
+	@Override
+	public InteractionResult useOn(UseOnContext context) {
+		BlockPos pos = context.getClickedPos();
+		if (this.asItem().equals(context.getItemInHand().getItem())) {
+			BlockState state = context.getLevel().getBlockState(pos);
+			if (Blocks.FARMLAND.equals(state.getBlock()) && context.getLevel().getBlockState(pos.above()).isAir()) {
+				Block plantBlock = BuiltInRegistries.BLOCK.getValue(identifier);
+				context.getLevel().setBlock(pos.above(), plantBlock.defaultBlockState(), 2);
+				context.getItemInHand().shrink(1);
+			}
+		}
+		return super.useOn(context);
+	}
+
+}

src/main/java/de/jottyfan/minecraft/item/QuicklyItems.java

@@ -22,6 +22,9 @@ public class QuicklyItems {
 	public static final Item STUB = registerItem("stub", properties -> new Stub(properties));
 	public static final Item RAWTURQUOISE = registerItem("rawturquoise");
 	public static final Item TURQUOISEINGOT = registerItem("turquoiseingot");
+	public static final Item COTTON = registerItem("cotton");
+	public static final Item COTTONPLANT = registerItem("cottonplant");
+	public static final Item COTTONSEED = registerItem("cottonseed", properties -> new Plant(properties, Identifier.fromNamespaceAndPath(Quickly.MOD_ID, "cottonplant")));
 
 	private static final Item registerItem(String name) {
 		return QuicklyItems.registerItem(name, new Item.Properties());
@@ -47,6 +50,8 @@ public class QuicklyItems {
 			item.accept(STUB);
 			item.accept(RAWTURQUOISE);
 			item.accept(TURQUOISEINGOT);
+			item.accept(COTTON);
+			item.accept(COTTONSEED);
 		});
 	}
 }

src/main/resources/assets/quickly/blockstates/blockcottonplant.json

@@ -0,0 +1,12 @@
+{
+    "variants": {
+        "age=0": { "model": "quickly:block/cottonplant0" },
+        "age=1": { "model": "quickly:block/cottonplant1" },
+        "age=2": { "model": "quickly:block/cottonplant2" },
+        "age=3": { "model": "quickly:block/cottonplant3" },
+        "age=4": { "model": "quickly:block/cottonplant4" },
+        "age=5": { "model": "quickly:block/cottonplant5" },
+        "age=6": { "model": "quickly:block/cottonplant6" },
+        "age=7": { "model": "quickly:block/cottonplant7" }
+    }
+}

src/main/resources/assets/quickly/items/cotton.json

@@ -0,0 +1,6 @@
+{
+  "model": {
+    "type": "minecraft:model",
+		"model": "quickly:item/cotton"
+  }
+}

src/main/resources/assets/quickly/items/cottonplant.json

@@ -0,0 +1,6 @@
+{
+  "model": {
+    "type": "minecraft:model",
+		"model": "quickly:item/cottonseed"
+  }
+}

src/main/resources/assets/quickly/items/cottonseed.json

@@ -0,0 +1,6 @@
+{
+  "model": {
+    "type": "minecraft:model",
+		"model": "quickly:item/cottonseed"
+  }
+}

src/main/resources/assets/quickly/lang/de_de.json

@@ -1,5 +1,8 @@
 {
+  "item.quickly.blockcottonplant": "Baumwollpflanze",
   "item.quickly.blockturquoise": "Türkisblock",
+	"item.quickly.cotton": "Baumwolle",
+	"item.quickly.cottonseed": "Baumwollsaat",
 	"item.quickly.kelpbundle": "Seegrassbündel",
   "item.quickly.oredeepslateturquoise": "Türkistiefenerz",
   "item.quickly.oreturquoise": "Türkiserz",

src/main/resources/assets/quickly/lang/en_us.json

@@ -1,5 +1,8 @@
 {
+	"item.quickly.blockcottonplant": "cotton plant",
   "item.quickly.blockturquoise": "block of turquoise",
+	"item.quickly.cotton": "cotton",
+	"item.quickly.cottonseed": "cotton seed",
 	"item.quickly.kelpbundle": "kelp bundle",
   "item.quickly.oredeepslateturquoise": "turquoise deepslate ore",
   "item.quickly.oreturquoise": "turquoise ore",

src/main/resources/assets/quickly/models/block/cottonplant0.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant0"
+    }
+}

src/main/resources/assets/quickly/models/block/cottonplant1.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant1"
+    }
+}

src/main/resources/assets/quickly/models/block/cottonplant2.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant2"
+    }
+}

src/main/resources/assets/quickly/models/block/cottonplant3.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant3"
+    }
+}

src/main/resources/assets/quickly/models/block/cottonplant4.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant4"
+    }
+}

src/main/resources/assets/quickly/models/block/cottonplant5.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant5"
+    }
+}

src/main/resources/assets/quickly/models/block/cottonplant6.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant6"
+    }
+}

src/main/resources/assets/quickly/models/block/cottonplant7.json

@@ -0,0 +1,6 @@
+{
+    "parent":"block/cross",
+    "textures":{
+        "cross":"quickly:block/cottonplant7"
+    }
+}

src/main/resources/assets/quickly/models/item/cotton.json

@@ -0,0 +1,6 @@
+{
+  "parent": "item/generated",
+  "textures": {
+    "layer0": "quickly:item/cotton"
+  }
+}

src/main/resources/assets/quickly/models/item/cottonplant.json

@@ -0,0 +1,6 @@
+{
+  "parent": "item/generated",
+  "textures": {
+    "layer0": "quickly:item/cottonplant"
+  }
+}

src/main/resources/assets/quickly/models/item/cottonseed.json

@@ -0,0 +1,6 @@
+{
+  "parent": "item/generated",
+  "textures": {
+    "layer0": "quickly:item/cottonseed"
+  }
+}

src/main/resources/data/quickly/recipe/shaped_string_from_cotton.json

@@ -0,0 +1,15 @@
+{
+	"type": "minecraft:crafting_shaped",
+	"pattern": [
+		"c",
+		"c",
+		"c"
+	],
+	"key": {
+		"c": "quickly:cotton"
+	},
+	"result": {
+		"id": "minecraft:string",
+		"count": 1
+	}
+}