--- a/net/minecraft/world/inventory/CrafterMenu.java
+++ b/net/minecraft/world/inventory/CrafterMenu.java
@@ -10,8 +10,35 @@
 import net.minecraft.world.item.crafting.RecipeCrafting;
 import net.minecraft.world.level.block.CrafterBlock;
 
+// CraftBukkit start
+import java.util.Optional;
+import net.minecraft.world.item.crafting.RecipeHolder;
+import org.bukkit.craftbukkit.inventory.CraftInventoryCrafter;
+import org.bukkit.craftbukkit.inventory.view.CraftCrafterView;
+// CraftBukkit end
+
 public class CrafterMenu extends Container implements ICrafting {
 
+    // CraftBukkit start
+    private CraftCrafterView bukkitEntity = null;
+
+    @Override
+    public CraftCrafterView getBukkitView() {
+        if (bukkitEntity != null) {
+            return bukkitEntity;
+        }
+
+        CraftInventoryCrafter inventory = new CraftInventoryCrafter(this.container, this.resultContainer);
+        bukkitEntity = new CraftCrafterView(this.player.getBukkitEntity(), inventory, this);
+        return bukkitEntity;
+    }
+
+    @Override
+    public void startOpen() {
+        super.startOpen();
+        this.refreshRecipeResult();
+    }
+    // CraftBukkit end
     protected static final int SLOT_COUNT = 9;
     private static final int INV_SLOT_START = 9;
     private static final int INV_SLOT_END = 36;
@@ -106,18 +133,24 @@
 
     @Override
     public boolean stillValid(EntityHuman entityhuman) {
+        if (!this.checkReachable) return true; // CraftBukkit
         return this.container.stillValid(entityhuman);
     }
 
     private void refreshRecipeResult() {
+        if (!this.opened) return; // CraftBukkit - SPIGOT-8005: don't refresh until opened
         EntityHuman entityhuman = this.player;
 
         if (entityhuman instanceof EntityPlayer entityplayer) {
             WorldServer worldserver = entityplayer.serverLevel();
             CraftingInput craftinginput = this.container.asCraftInput();
-            ItemStack itemstack = (ItemStack) CrafterBlock.getPotentialResults(worldserver, craftinginput).map((recipeholder) -> {
+            // CraftBukkit start
+            Optional<RecipeHolder<RecipeCrafting>> recipe = CrafterBlock.getPotentialResults(worldserver, craftinginput);
+            ItemStack itemstack = (ItemStack) recipe.map((recipeholder) -> {
+                // CraftBukkit end
                 return ((RecipeCrafting) recipeholder.value()).assemble(craftinginput, worldserver.registryAccess());
             }).orElse(ItemStack.EMPTY);
+            itemstack = org.bukkit.craftbukkit.event.CraftEventFactory.callPreCraftEvent(this.container, this.resultContainer, itemstack, this.getBukkitView(), recipe); // CraftBukkit
 
             this.resultContainer.setItem(0, itemstack);
         }