You can now harvest pinecones and acorns from spruce and oak leaves using a hoe

src/main/java/com/minelittlepony/unicopia/InteractionManager.java

@@ -14,6 +14,8 @@ import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.network.PacketByteBuf;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
 import net.minecraft.world.World;
 
 public class InteractionManager {
@@ -90,4 +92,8 @@ public class InteractionManager {
     public void sendPlayerLookAngles(PlayerEntity player) {
 
     }
+
+    public void addBlockBreakingParticles(BlockPos pos, Direction direction) {
+
+    }
 }

src/main/java/com/minelittlepony/unicopia/client/ClientInteractionManager.java

@@ -41,6 +41,8 @@ import net.minecraft.network.PacketByteBuf;
 import net.minecraft.network.packet.c2s.play.PlayerMoveC2SPacket;
 import net.minecraft.sound.SoundCategory;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
 import net.minecraft.util.math.random.Random;
 import net.minecraft.world.World;
 
@@ -161,4 +163,9 @@ public class ClientInteractionManager extends InteractionManager {
             c.networkHandler.sendPacket(new PlayerMoveC2SPacket.LookAndOnGround(player.getYaw(), player.getPitch(), player.isOnGround()));
         }
     }
+
+    @Override
+    public void addBlockBreakingParticles(BlockPos pos, Direction direction) {
+        client.particleManager.addBlockBreakingParticles(pos, direction);
+    }
 }

src/main/java/com/minelittlepony/unicopia/item/ForageableItem.java

@@ -0,0 +1,93 @@
+package com.minelittlepony.unicopia.item;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Supplier;
+
+import com.minelittlepony.unicopia.InteractionManager;
+import com.minelittlepony.unicopia.item.enchantment.EnchantmentUtil;
+import com.minelittlepony.unicopia.server.world.BlockDestructionManager;
+
+import net.fabricmc.fabric.api.event.player.UseBlockCallback;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.enchantment.EnchantmentHelper;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.HoeItem;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.ToolMaterials;
+import net.minecraft.registry.tag.BlockTags;
+import net.minecraft.registry.tag.ItemTags;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.Hand;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.world.World;
+import net.minecraft.world.WorldEvents;
+
+public class ForageableItem extends Item {
+    private static final List<ForageableItem> REGISTRY = new ArrayList<>();
+    static {
+        UseBlockCallback.EVENT.register((PlayerEntity player, World world, Hand hand, BlockHitResult hitResult) -> {
+            if (player.shouldCancelInteraction()) {
+                return ActionResult.PASS;
+            }
+
+            ItemStack stack = player.getStackInHand(hand);
+            if (!stack.isIn(ItemTags.HOES)) {
+                return ActionResult.PASS;
+            }
+
+            BlockPos pos = hitResult.getBlockPos();
+            BlockState state = world.getBlockState(pos);
+
+            ActionResult result = ActionResult.PASS;
+
+            if (state.isIn(BlockTags.LEAVES)) {
+                player.swingHand(hand);
+                world.playSound(player, pos, state.getSoundGroup().getHitSound(), SoundCategory.BLOCKS);
+                InteractionManager.instance().addBlockBreakingParticles(pos, hitResult.getSide());
+
+                int miningLevel = (stack.getItem() instanceof HoeItem hoe ? hoe.getMaterial().getMiningLevel() : 59);
+
+                for (ForageableItem item : REGISTRY) {
+                    if ((result = item.onTryForage(world, pos, state, stack, player, miningLevel)).isAccepted()) {
+                        stack.damage(1, player, p -> p.sendToolBreakStatus(hand));
+                        return result;
+                    }
+                }
+            }
+
+            return result.isAccepted() ? ActionResult.SUCCESS : ActionResult.PASS;
+        });
+    }
+
+    private final Supplier<Block> targetBlock;
+
+    public ForageableItem(Settings settings, Supplier<Block> targetBlock) {
+        super(settings);
+        this.targetBlock = targetBlock;
+        REGISTRY.add(this);
+    }
+
+    public ActionResult onTryForage(World world, BlockPos pos, BlockState state, ItemStack stack, PlayerEntity player, int miningLevel) {
+        if (state.isOf(targetBlock.get())) {
+            int spawnChance = (int)((1F - MathHelper.clamp(miningLevel / (float)ToolMaterials.NETHERITE.getMiningLevel(), 0, 1)) * 32);
+            spawnChance -= EnchantmentUtil.getLuck(1, player);
+
+            if (spawnChance <= 0 || world.random.nextInt(spawnChance) == 0) {
+                Block.dropStack(world, pos, new ItemStack(this, 1 + EnchantmentHelper.getLooting(player)));
+                world.syncWorldEvent(WorldEvents.BLOCK_BROKEN, pos, Block.getRawIdFromState(state));
+                if (BlockDestructionManager.of(world).damageBlock(pos, world.getRandom().nextBetween(3, 7)) >= BlockDestructionManager.MAX_DAMAGE) {
+                    world.breakBlock(pos, true);
+                }
+                return ActionResult.SUCCESS;
+            }
+            return ActionResult.FAIL;
+        }
+        return ActionResult.PASS;
+    }
+}

src/main/java/com/minelittlepony/unicopia/item/UItems.java

@@ -16,6 +16,7 @@ import com.terraformersmc.terraform.boat.api.TerraformBoatType;
 import com.terraformersmc.terraform.boat.api.TerraformBoatTypeRegistry;
 import com.terraformersmc.terraform.boat.api.item.TerraformBoatItemHelper;
 
+import net.minecraft.block.Blocks;
 import net.minecraft.entity.attribute.EntityAttributeModifier;
 import net.minecraft.entity.attribute.EntityAttributes;
 import net.minecraft.entity.vehicle.BoatEntity;
@@ -85,8 +86,8 @@ public interface UItems {
 
     Item WHEAT_WORMS = register("wheat_worms", new Item(new Item.Settings().maxCount(16).food(UFoodComponents.WORMS)), ItemGroups.NATURAL);
     Item MUFFIN = register("muffin", new MuffinItem(new Item.Settings().maxCount(32).food(FoodComponents.BREAD), 0), ItemGroups.FOOD_AND_DRINK);
-    Item PINECONE = register("pinecone", new Item(new Item.Settings().food(UFoodComponents.PINECONE).maxCount(3)), ItemGroups.FOOD_AND_DRINK);
+    Item PINECONE = register("pinecone", new ForageableItem(new Item.Settings().food(UFoodComponents.PINECONE).maxCount(16), () -> Blocks.SPRUCE_LEAVES), ItemGroups.FOOD_AND_DRINK);
-    Item ACORN = register("acorn", new Item(new Item.Settings().food(UFoodComponents.ACORN).maxCount(16)), ItemGroups.FOOD_AND_DRINK);
+    Item ACORN = register("acorn", new ForageableItem(new Item.Settings().food(UFoodComponents.ACORN).maxCount(16), () -> Blocks.OAK_LEAVES), ItemGroups.FOOD_AND_DRINK);
     Item MANGO = register("mango", new Item(new Item.Settings().food(UFoodComponents.MANGO)), ItemGroups.FOOD_AND_DRINK);
     Item BANANA = register("banana", new Item(new Item.Settings().food(UFoodComponents.BANANA)), ItemGroups.FOOD_AND_DRINK);
     Item CURING_JOKE = register("curing_joke", new CuringJokeItem(UBlocks.CURING_JOKE, new Item.Settings().food(UFoodComponents.POISON_JOKE)), ItemGroups.NATURAL);