PaperMC/nms-patches/BlockStem.patch

--- a/net/minecraft/server/BlockStem.java
+++ b/net/minecraft/server/BlockStem.java
@@ -4,6 +4,8 @@
 import java.util.Random;
 import javax.annotation.Nullable;
 
+import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
+
 public class BlockStem extends BlockPlant implements IBlockFragilePlantElement {
 
     public static final BlockStateInteger AGE = BlockStateInteger.of("age", 0, 7);
@@ -54,7 +56,8 @@
 
                 if (i < 7) {
                     iblockdata = iblockdata.set(BlockStem.AGE, Integer.valueOf(i + 1));
-                    world.setTypeAndData(blockposition, iblockdata, 2);
+                    // world.setTypeAndData(blockposition, iblockdata, 2); // CraftBukkit
+                    CraftEventFactory.handleBlockGrowEvent(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this, toLegacyData(iblockdata)); // CraftBukkit
                 } else {
                     Iterator iterator = EnumDirection.EnumDirectionLimit.HORIZONTAL.iterator();
 
@@ -70,7 +73,8 @@
                     Block block = world.getType(blockposition.down()).getBlock();
 
                     if (world.getType(blockposition).getBlock().material == Material.AIR && (block == Blocks.FARMLAND || block == Blocks.DIRT || block == Blocks.GRASS)) {
-                        world.setTypeUpdate(blockposition, this.blockFruit.getBlockData());
+                        // world.setTypeUpdate(blockposition, this.blockFruit.getBlockData()); // CraftBukkit
+                        CraftEventFactory.handleBlockGrowEvent(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this.blockFruit, 0); // CraftBukkit
                     }
                 }
             }
@@ -81,7 +85,8 @@
     public void g(World world, BlockPosition blockposition, IBlockData iblockdata) {
         int i = ((Integer) iblockdata.get(BlockStem.AGE)).intValue() + MathHelper.nextInt(world.random, 2, 5);
 
-        world.setTypeAndData(blockposition, iblockdata.set(BlockStem.AGE, Integer.valueOf(Math.min(7, i))), 2);
+        // world.setTypeAndData(blockposition, iblockdata.set(BlockStem.AGE, Integer.valueOf(Math.min(7, i))), 2);
+        CraftEventFactory.handleBlockGrowEvent(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this, Math.min(7, i)); // CraftBukkit
     }
 
     public void dropNaturally(World world, BlockPosition blockposition, IBlockData iblockdata, float f, int i) {