papermc/Spigot-Server-Patches/0086-Remove-unused-World-Tile-Entity-List.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
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:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

90 lines
5.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 13 Apr 2016 00:25:28 -0400
Subject: [PATCH] Remove unused World Tile Entity List
Massive hit to performance and it is completely unnecessary.
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index aaedbaf4d7eb7750b356e184ac4a4f5e38d91b54..0e8d31babd39857c2754c19ddc780f8c840a443c 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -36,7 +36,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
protected static final Logger LOGGER = LogManager.getLogger();
private static final EnumDirection[] a = EnumDirection.values();
- public final List<TileEntity> tileEntityList = Lists.newArrayList();
+ //public final List<TileEntity> tileEntityList = Lists.newArrayList(); // Paper - remove unused list
public final List<TileEntity> tileEntityListTick = Lists.newArrayList();
protected final List<TileEntity> tileEntityListPending = Lists.newArrayList();
protected final java.util.Set<TileEntity> tileEntityListUnload = com.google.common.collect.Sets.newHashSet();
@@ -604,9 +604,9 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
}, tileentity::getPosition});
}
- boolean flag = this.tileEntityList.add(tileentity);
+ boolean flag = true; // Paper - remove unused list
- if (flag && tileentity instanceof ITickable) {
+ if (flag && tileentity instanceof ITickable && !this.tileEntityListTick.contains(tileentity)) { // Paper
this.tileEntityListTick.add(tileentity);
}
@@ -642,7 +642,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
timings.tileEntityTick.startTiming(); // Spigot
if (!this.tileEntityListUnload.isEmpty()) {
this.tileEntityListTick.removeAll(this.tileEntityListUnload);
- this.tileEntityList.removeAll(this.tileEntityListUnload);
+ //this.tileEntityList.removeAll(this.tileEntityListUnload); // Paper - remove unused list
this.tileEntityListUnload.clear();
}
@@ -703,7 +703,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
tilesThisCycle--;
this.tileEntityListTick.remove(tileTickPosition--);
// Spigot end
- this.tileEntityList.remove(tileentity);
+ //this.tileEntityList.remove(tileentity); // Paper - remove unused list
if (this.isLoaded(tileentity.getPosition())) {
this.getChunkAtWorldCoords(tileentity.getPosition()).removeTileEntity(tileentity.getPosition());
}
@@ -733,7 +733,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
this.notify(tileentity1.getPosition(), iblockdata, iblockdata, 3);
// CraftBukkit start
// From above, don't screw this up - SPIGOT-1746
- if (!this.tileEntityList.contains(tileentity1)) {
+ if (true) { // Paper - remove unused list
this.a(tileentity1);
}
// CraftBukkit end
@@ -999,7 +999,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
} else {
if (tileentity != null) {
this.tileEntityListPending.remove(tileentity);
- this.tileEntityList.remove(tileentity);
+ //this.tileEntityList.remove(tileentity); // Paper - remove unused list
this.tileEntityListTick.remove(tileentity);
}
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index f8d1cb0231bc3b5a45d7150cb125a8af64a9c0a7..f46da0e8a0c5b060b2424c59c4a205294c657889 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1631,7 +1631,7 @@ public class WorldServer extends World {
}
bufferedwriter.write(String.format("entities: %d\n", this.entitiesById.size()));
- bufferedwriter.write(String.format("block_entities: %d\n", this.tileEntityList.size()));
+ bufferedwriter.write(String.format("block_entities: %d\n", this.tileEntityListTick.size())); // Paper - remove unused list
bufferedwriter.write(String.format("block_ticks: %d\n", this.getBlockTickList().a()));
bufferedwriter.write(String.format("fluid_ticks: %d\n", this.getFluidTickList().a()));
bufferedwriter.write("distance_manager: " + playerchunkmap.e().c() + "\n");
@@ -1794,7 +1794,7 @@ public class WorldServer extends World {
private void a(Writer writer) throws IOException {
CSVWriter csvwriter = CSVWriter.a().a("x").a("y").a("z").a("type").a(writer);
- Iterator iterator = this.tileEntityList.iterator();
+ Iterator iterator = this.tileEntityListTick.iterator(); // Paper - remove unused list
while (iterator.hasNext()) {
TileEntity tileentity = (TileEntity) iterator.next();