PaperMC/paper-server/nms-patches/net/minecraft/world/level/block/BlockSweetBerryBush.patch

--- a/net/minecraft/world/level/block/BlockSweetBerryBush.java
+++ b/net/minecraft/world/level/block/BlockSweetBerryBush.java
@@ -26,6 +26,14 @@
 import net.minecraft.world.phys.shapes.VoxelShape;
 import net.minecraft.world.phys.shapes.VoxelShapeCollision;
 
+// CraftBukkit start
+import java.util.Collections;
+import org.bukkit.craftbukkit.block.CraftBlock;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.event.player.PlayerHarvestBlockEvent;
+// CraftBukkit end
+
 public class BlockSweetBerryBush extends BlockPlant implements IBlockFragilePlantElement {
 
     public static final BlockStateInteger a = BlockProperties.ag;
@@ -52,7 +60,7 @@
         int i = (Integer) iblockdata.get(BlockSweetBerryBush.a);
 
         if (i < 3 && random.nextInt(5) == 0 && worldserver.getLightLevel(blockposition.up(), 0) >= 9) {
-            worldserver.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockSweetBerryBush.a, i + 1), 2);
+            CraftEventFactory.handleBlockGrowEvent(worldserver, blockposition, (IBlockData) iblockdata.set(BlockSweetBerryBush.a, i + 1), 2); // CraftBukkit
         }
 
     }
@@ -66,7 +74,9 @@
                 double d1 = Math.abs(entity.locZ() - entity.F);
 
                 if (d0 >= 0.003000000026077032D || d1 >= 0.003000000026077032D) {
+                    CraftEventFactory.blockDamage = CraftBlock.at(world, blockposition); // CraftBukkit
                     entity.damageEntity(DamageSource.SWEET_BERRY_BUSH, 1.0F);
+                    CraftEventFactory.blockDamage = null; // CraftBukkit
                 }
             }
 
@@ -83,7 +93,15 @@
         } else if (i > 1) {
             int j = 1 + world.random.nextInt(2);
 
-            a(world, blockposition, new ItemStack(Items.SWEET_BERRIES, j + (flag ? 1 : 0)));
+            // CraftBukkit start
+            PlayerHarvestBlockEvent event = CraftEventFactory.callPlayerHarvestBlockEvent(world, blockposition, entityhuman, Collections.singletonList(new ItemStack(Items.SWEET_BERRIES, j + (flag ? 1 : 0))));
+            if (event.isCancelled()) {
+                return EnumInteractionResult.SUCCESS; // We need to return a success either way, because making it PASS or FAIL will result in a bug where cancelling while harvesting w/ block in hand places block
+            }
+            for (org.bukkit.inventory.ItemStack itemStack : event.getItemsHarvested()) {
+                a(world, blockposition, CraftItemStack.asNMSCopy(itemStack));
+            }
+            // CraftBukkit end
             world.playSound((EntityHuman) null, blockposition, SoundEffects.ITEM_SWEET_BERRIES_PICK_FROM_BUSH, SoundCategory.BLOCKS, 1.0F, 0.8F + world.random.nextFloat() * 0.4F);
             world.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockSweetBerryBush.a, 1), 2);
             return EnumInteractionResult.a(world.isClientSide);