Paper/nms-patches/TileEntityCampfire.patch

--- a/net/minecraft/server/TileEntityCampfire.java
+++ b/net/minecraft/server/TileEntityCampfire.java
@@ -3,6 +3,11 @@
 import java.util.Optional;
 import java.util.Random;
 import javax.annotation.Nullable;
+// CraftBukkit start
+import org.bukkit.craftbukkit.block.CraftBlock;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.event.block.BlockCookEvent;
+// CraftBukkit end
 
 public class TileEntityCampfire extends TileEntity implements Clearable, ITickable {
 
@@ -55,6 +60,20 @@
                     }).orElse(itemstack);
                     BlockPosition blockposition = this.getPosition();
 
+                    // CraftBukkit start - fire BlockCookEvent
+                    CraftItemStack source = CraftItemStack.asCraftMirror(itemstack);
+                    org.bukkit.inventory.ItemStack result = CraftItemStack.asBukkitCopy(itemstack1);
+
+                    BlockCookEvent blockCookEvent = new BlockCookEvent(CraftBlock.at(this.world, this.position), source, result);
+                    this.world.getServer().getPluginManager().callEvent(blockCookEvent);
+
+                    if (blockCookEvent.isCancelled()) {
+                        return;
+                    }
+
+                    result = blockCookEvent.getResult();
+                    itemstack1 = CraftItemStack.asNMSCopy(result);
+                    // CraftBukkit end
                     InventoryUtils.dropItem(this.world, (double) blockposition.getX(), (double) blockposition.getY(), (double) blockposition.getZ(), itemstack1);
                     this.items.set(i, ItemStack.a);
                     this.k();