Updated Upstream (Bukkit/CraftBukkit) (#3980)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
09f10fd9 SPIGOT-5950: Add PrepareSmithingEvent event

CraftBukkit Changes:
7c03d257 SPIGOT-6011: End Gateways do not work on Non-Main End Worlds
d492e363 SPIGOT-6015: Small Armor Stand doesn't drop items
5db13eea SPIGOT-5950: Add PrepareSmithingEvent event

Spigot-API-Patches/Add-PrepareResultEvent-PrepareGrindstoneEvent.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Add PrepareResultEvent / PrepareGrindstoneEvent
 
 Adds a new event for all crafting stations that generate a result slot item
 
-Anvil and Grindstone now extend this event
+Anvil, Grindstone and Smithing now extend this event
 
 Grindstone is a backwards compat from a previous PrepareGrindstoneEvent
 
@@ -153,3 +153,59 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      }
 +    */ // Paper
  }
+diff --git a/src/main/java/org/bukkit/event/inventory/PrepareSmithingEvent.java b/src/main/java/org/bukkit/event/inventory/PrepareSmithingEvent.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/event/inventory/PrepareSmithingEvent.java
++++ b/src/main/java/org/bukkit/event/inventory/PrepareSmithingEvent.java
+@@ -0,0 +0,0 @@
+ package org.bukkit.event.inventory;
+ 
++import com.destroystokyo.paper.event.inventory.PrepareResultEvent;
+ import org.bukkit.event.HandlerList;
+ import org.bukkit.inventory.InventoryView;
+ import org.bukkit.inventory.ItemStack;
+@@ -0,0 +0,0 @@ import org.jetbrains.annotations.Nullable;
+ /**
+  * Called when an item is put in a slot for upgrade by a Smithing Table.
+  */
+-public class PrepareSmithingEvent extends InventoryEvent {
++// Paper start - extend PrepareResultEvent
++public class PrepareSmithingEvent extends PrepareResultEvent {
+ 
+-    private static final HandlerList handlers = new HandlerList();
+-    private ItemStack result;
++    //private static final HandlerList handlers = new HandlerList();
++    //private ItemStack result;
+ 
+     public PrepareSmithingEvent(@NotNull InventoryView inventory, @Nullable ItemStack result) {
+-        super(inventory);
+-        this.result = result;
++        super(inventory, result);
++        //this.result = result;
++        // Paper end
+     }
+ 
+     @NotNull
+@@ -0,0 +0,0 @@ public class PrepareSmithingEvent extends InventoryEvent {
+      */
+     @Nullable
+     public ItemStack getResult() {
+-        return result;
++        return super.getResult(); // Paper
+     }
+ 
+     public void setResult(@Nullable ItemStack result) {
+-        this.result = result;
++        super.setResult(result); // Paper
+     }
+ 
++    /* // Paper - comment out
+     @NotNull
+     @Override
+     public HandlerList getHandlers() {
+@@ -0,0 +0,0 @@ public class PrepareSmithingEvent extends InventoryEvent {
+     public static HandlerList getHandlerList() {
+         return handlers;
+     }
++    */ // Paper
+ }

Spigot-Server-Patches/Add-PrepareResultEvent.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Add PrepareResultEvent
 
 Adds a new event for all crafting stations that generate a result slot item
 
-Anvil and Grindstone now extend this event
+Anvil, Grindstone and Smithing now extend this event
 
 diff --git a/src/main/java/net/minecraft/server/Container.java b/src/main/java/net/minecraft/server/Container.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
@@ -86,7 +86,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/net/minecraft/server/ContainerSmithing.java
 +++ b/src/main/java/net/minecraft/server/ContainerSmithing.java
 @@ -0,0 +0,0 @@ public class ContainerSmithing extends ContainerAnvilAbstract {
-             this.resultInventory.setItem(0, itemstack);
+             org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareSmithingEvent(getBukkitView(), itemstack); // CraftBukkit
          }
  
 +        org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 2); // Paper
@@ -125,6 +125,19 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        //return event; // Paper
      }
 +    // Paper end
+ 
+-    public static PrepareSmithingEvent callPrepareSmithingEvent(InventoryView view, ItemStack item) {
+-        PrepareSmithingEvent event = new PrepareSmithingEvent(view, CraftItemStack.asCraftMirror(item).clone());
+-        event.getView().getPlayer().getServer().getPluginManager().callEvent(event);
++    // Paper start - disable this method, handled in callPrepareResultEvent
++    public static void callPrepareSmithingEvent(InventoryView view, ItemStack item) { // Paper - verify nothing uses return - handled below in PrepareResult
++        PrepareSmithingEvent event = new PrepareSmithingEvent(view, CraftItemStack.asCraftMirror(item)); // Paper - remove clone
++        //event.getView().getPlayer().getServer().getPluginManager().callEvent(event); // Paper - disable event
+         event.getInventory().setItem(2, event.getResult());
+-        return event;
++        //return event; // Paper
+     }
++    // Paper end
 +
 +    // Paper start - support specific overrides for prepare result
 +    public static void callPrepareResultEvent(net.minecraft.server.Container container, int resultSlot) {
@@ -136,6 +149,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            event = new PrepareAnvilEvent(view, result);
 +        } else if (view.getTopInventory() instanceof org.bukkit.inventory.GrindstoneInventory) {
 +            event = new com.destroystokyo.paper.event.inventory.PrepareGrindstoneEvent(view, result);
++        } else if (view.getTopInventory() instanceof org.bukkit.inventory.SmithingInventory) {
++            event = new PrepareSmithingEvent(view, result);
 +        } else {
 +            event = new com.destroystokyo.paper.event.inventory.PrepareResultEvent(view, result);
 +        }

Spigot-Server-Patches/Improve-death-events.patch

@@ -228,24 +228,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          int i;
  
 @@ -0,0 +0,0 @@ public abstract class EntityLiving extends Entity {
-         boolean flag = this.lastDamageByPlayerTime > 0;
- 
-         this.dropInventory(); // CraftBukkit - from below
-+        org.bukkit.event.entity.EntityDeathEvent deathEvent; // Paper
-         if (this.cV() && this.world.getGameRules().getBoolean(GameRules.DO_MOB_LOOT)) {
-             this.a(damagesource, flag);
              this.dropDeathLoot(damagesource, i, flag);
-             // CraftBukkit start - Call death event
--            CraftEventFactory.callEntityDeathEvent(this, this.drops);
--            this.drops = new ArrayList<org.bukkit.inventory.ItemStack>();
-+            deathEvent = CraftEventFactory.callEntityDeathEvent(this, this.drops); // Paper
-         } else {
--            CraftEventFactory.callEntityDeathEvent(this);
-+            deathEvent = CraftEventFactory.callEntityDeathEvent(this); // Paper
-             // CraftBukkit end
          }
+         // CraftBukkit start - Call death event
+-        CraftEventFactory.callEntityDeathEvent(this, this.drops);
++        org.bukkit.event.entity.EntityDeathEvent deathEvent = CraftEventFactory.callEntityDeathEvent(this, this.drops); // Paper
 +        this.postDeathDropItems(deathEvent); // Paper
-+        this.drops = new ArrayList<>(); // Paper
+         this.drops = new ArrayList<>();
+         // CraftBukkit end
  
          // this.dropInventory();// CraftBukkit - moved up
          this.dropExperience();