Further optimise hoppers

Spigot-Server-Patches/Improve-Minecraft-Hopper-Performance.patch

@@ -5,6 +5,7 @@ Subject: [PATCH] Improve Minecraft Hopper Performance
 
 Removes unnecessary extra calls to .update() that are very expensive
 Also reset cooldown each hopper tick that a hopper is full.
+Also don't constantly clone ItemStacks without merit
 
 diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
@@ -30,6 +31,42 @@ diff --git a/src/main/java/net/minecraft/server/TileEntityHopper.java b/src/main
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/server/TileEntityHopper.java
 +++ b/src/main/java/net/minecraft/server/TileEntityHopper.java
+@@ -0,0 +0,0 @@ public class TileEntityHopper extends TileEntityLootable implements IHopper, ITi
+                             this.setCooldown(world.spigotConfig.hopperTransfer); // Spigot
+                             return false;
+                         }
+-                        int origCount = event.getItem().getAmount(); // Spigot
+-                        ItemStack itemstack1 = addItem(this, iinventory, CraftItemStack.asNMSCopy(event.getItem()), enumdirection);
+-
++                        // Paper start
++                        org.bukkit.inventory.ItemStack eventStack = event.getItem();
++                        int origCount = eventStack.getAmount(); // Spigot
++                        ItemStack itemstack1 = addItem(this, iinventory, CraftItemStack.asNMSCopy(eventStack), enumdirection);
++                        // Paper end
+                         if (itemstack1.isEmpty()) {
+-                            if (event.getItem().equals(oitemstack)) {
++                            if (eventStack.equals(oitemstack)) { // Paper
+                                 iinventory.update();
+                             } else {
+                                 this.setItem(i, itemstack);
+@@ -0,0 +0,0 @@ public class TileEntityHopper extends TileEntityLootable implements IHopper, ITi
+                 }
+                 return false;
+             }
+-            int origCount = event.getItem().getAmount(); // Spigot
+-            ItemStack itemstack2 = addItem(iinventory, ihopper, CraftItemStack.asNMSCopy(event.getItem()), null);
+-
++            // Paper start
++            org.bukkit.inventory.ItemStack eventStack = event.getItem();
++            int origCount = eventStack.getAmount(); // Spigot
++            ItemStack itemstack2 = addItem(iinventory, ihopper, CraftItemStack.asNMSCopy(eventStack), null);
++            // Paper end
+             if (itemstack2.isEmpty()) {
+-                if (event.getItem().equals(oitemstack)) {
++                if (eventStack.equals(oitemstack)) { // Paper
+                     iinventory.update();
+                 } else {
+                     iinventory.setItem(i, itemstack1);
 @@ -0,0 +0,0 @@ public class TileEntityHopper extends TileEntityLootable implements IHopper, ITi
              boolean flag1 = iinventory1.w_();
  
@@ -48,4 +85,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      private boolean J() {
          return this.f > 0;
      }
---
+-- 
+2.9.3 (Apple Git-75)
+

Spigot-Server-Patches/Make-entities-look-for-hoppers.patch

@@ -389,4 +389,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
              List list = world.getEntities((Entity) null, new AxisAlignedBB(d0 - 0.5D, d1 - 0.5D, d2 - 0.5D, d0 + 0.5D, d1 + 0.5D, d2 + 0.5D), IEntitySelector.c);
  
              if (!list.isEmpty()) {
---
+-- 
+2.9.3 (Apple Git-75)
+