PaperMC/Spigot-Server-Patches/0123-Improve-Minecraft-Hopper-Performance.patch
2017-05-14 16:06:27 -05:00

90 lines
4.3 KiB
Diff

From 0fd48f8ca0b302871c4bccf779578385e53f8c33 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 27 Apr 2016 22:09:52 -0400
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 39be107fd..6e23d325f 100644
--- a/src/main/java/net/minecraft/server/TileEntity.java
+++ b/src/main/java/net/minecraft/server/TileEntity.java
@@ -33,6 +33,7 @@ public abstract class TileEntity {
return (MinecraftKey) TileEntity.f.b(oclass);
}
+ static boolean IGNORE_TILE_UPDATES = false; // Paper
public World getWorld() {
return this.world;
}
@@ -111,6 +112,7 @@ public abstract class TileEntity {
public void update() {
if (this.world != null) {
+ if (IGNORE_TILE_UPDATES) return; // Paper
IBlockData iblockdata = this.world.getType(this.position);
this.g = iblockdata.getBlock().toLegacyData(iblockdata);
diff --git a/src/main/java/net/minecraft/server/TileEntityHopper.java b/src/main/java/net/minecraft/server/TileEntityHopper.java
index e38411f35..f99812989 100644
--- a/src/main/java/net/minecraft/server/TileEntityHopper.java
+++ b/src/main/java/net/minecraft/server/TileEntityHopper.java
@@ -220,11 +220,13 @@ 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);
@@ -377,11 +379,13 @@ 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);
@@ -459,7 +463,9 @@ public class TileEntityHopper extends TileEntityLootable implements IHopper, ITi
boolean flag1 = iinventory1.x_();
if (itemstack1.isEmpty()) {
+ IGNORE_TILE_UPDATES = true; // Paper
iinventory1.setItem(i, itemstack);
+ IGNORE_TILE_UPDATES = false; // Paper
itemstack = ItemStack.a;
flag = true;
} else if (a(itemstack1, itemstack)) {
@@ -562,6 +568,7 @@ public class TileEntityHopper extends TileEntityLootable implements IHopper, ITi
this.f = i;
}
+ boolean isCooledDown() { return J(); } // Paper - OBFHELPER
private boolean J() {
return this.f > 0;
}
--
2.13.0