craftbukkit/nms-patches/net/minecraft/world/level/block/CrafterBlock.patch

--- a/net/minecraft/world/level/block/CrafterBlock.java
+++ b/net/minecraft/world/level/block/CrafterBlock.java
@@ -40,6 +40,15 @@
 import net.minecraft.world.phys.MovingObjectPositionBlock;
 import net.minecraft.world.phys.Vec3D;
 
+// CraftBukkit start
+import net.minecraft.world.InventoryLargeChest;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.event.block.CrafterCraftEvent;
+import org.bukkit.event.inventory.InventoryMoveItemEvent;
+import org.bukkit.inventory.Inventory;
+// CraftBukkit end
+
 public class CrafterBlock extends BlockTileEntity {
 
     public static final MapCodec<CrafterBlock> CODEC = simpleCodec(CrafterBlock::new);
@@ -189,6 +198,13 @@
                 RecipeHolder<RecipeCrafting> recipeholder = (RecipeHolder) optional.get();
                 ItemStack itemstack = ((RecipeCrafting) recipeholder.value()).assemble(craftinginput, worldserver.registryAccess());
 
+                // CraftBukkit start
+                CrafterCraftEvent event = CraftEventFactory.callCrafterCraftEvent(blockposition, worldserver, crafterblockentity, itemstack, recipeholder);
+                if (event.isCancelled()) {
+                    return;
+                }
+                itemstack = CraftItemStack.asNMSCopy(event.getResult());
+                // CraftBukkit end
                 if (itemstack.isEmpty()) {
                     worldserver.levelEvent(1050, blockposition, 0);
                 } else {
@@ -227,7 +243,25 @@
         ItemStack itemstack1 = itemstack.copy();
 
         if (iinventory != null && (iinventory instanceof CrafterBlockEntity || itemstack.getCount() > iinventory.getMaxStackSize(itemstack))) {
+            // CraftBukkit start - InventoryMoveItemEvent
+            CraftItemStack oitemstack = CraftItemStack.asCraftMirror(itemstack1);
+
+            Inventory destinationInventory;
+            // Have to special case large chests as they work oddly
+            if (iinventory instanceof InventoryLargeChest) {
+                destinationInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((InventoryLargeChest) iinventory);
+            } else {
+                destinationInventory = iinventory.getOwner().getInventory();
+            }
+
+            InventoryMoveItemEvent event = new InventoryMoveItemEvent(crafterblockentity.getOwner().getInventory(), oitemstack, destinationInventory, true);
+            worldserver.getCraftServer().getPluginManager().callEvent(event);
+            itemstack1 = CraftItemStack.asNMSCopy(event.getItem());
             while (!itemstack1.isEmpty()) {
+                if (event.isCancelled()) {
+                    break;
+                }
+                // CraftBukkit end
                 ItemStack itemstack2 = itemstack1.copyWithCount(1);
                 ItemStack itemstack3 = TileEntityHopper.addItem(crafterblockentity, iinventory, itemstack2, enumdirection.getOpposite());
 
@@ -238,7 +272,25 @@
                 itemstack1.shrink(1);
             }
         } else if (iinventory != null) {
+            // CraftBukkit start - InventoryMoveItemEvent
+            CraftItemStack oitemstack = CraftItemStack.asCraftMirror(itemstack1);
+
+            Inventory destinationInventory;
+            // Have to special case large chests as they work oddly
+            if (iinventory instanceof InventoryLargeChest) {
+                destinationInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((InventoryLargeChest) iinventory);
+            } else {
+                destinationInventory = iinventory.getOwner().getInventory();
+            }
+
+            InventoryMoveItemEvent event = new InventoryMoveItemEvent(crafterblockentity.getOwner().getInventory(), oitemstack, destinationInventory, true);
+            worldserver.getCraftServer().getPluginManager().callEvent(event);
+            itemstack1 = CraftItemStack.asNMSCopy(event.getItem());
             while (!itemstack1.isEmpty()) {
+                if (event.isCancelled()) {
+                    break;
+                }
+                // CraftBukkit end
                 int i = itemstack1.getCount();
 
                 itemstack1 = TileEntityHopper.addItem(crafterblockentity, iinventory, itemstack1, enumdirection.getOpposite());