Paper/Spigot-Server-Patches/0071-Only-process-BlockPhysicsEvent-if-a-plugin-has-a-lis.patch
Shane Freeder 0ea3083817
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appear 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:
1e843b72 #510: Add NamespacedKey#fromString() to fetch from user input
a4d18241 #581: Add methods to modify despawn delay for wandering villagers

CraftBukkit Changes:
0cd8f19f #802: Add methods to modify despawn delay for wandering villagers
d5c5d998 SPIGOT-6362: ConcurrentModificationException: null --> Server Crash
8c7d69fe SPIGOT-5228: Entities that are removed during chunk unloads are not properly removed from the chunk.
2021-02-16 17:13:49 +00:00

80 lines
5.5 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 28 Mar 2016 19:55:45 -0400
Subject: [PATCH] Only process BlockPhysicsEvent if a plugin has a listener
Saves on some object allocation and processing when no plugin listens to this
diff --git a/src/main/java/net/minecraft/server/BlockPlant.java b/src/main/java/net/minecraft/server/BlockPlant.java
index 47e370667926e59f036be3f2befe8820668cf892..a830305f0e334ad87e6b9ed94230ff611d997d7e 100644
--- a/src/main/java/net/minecraft/server/BlockPlant.java
+++ b/src/main/java/net/minecraft/server/BlockPlant.java
@@ -14,7 +14,7 @@ public class BlockPlant extends Block {
public IBlockData updateState(IBlockData iblockdata, EnumDirection enumdirection, IBlockData iblockdata1, GeneratorAccess generatoraccess, BlockPosition blockposition, BlockPosition blockposition1) {
// CraftBukkit start
if (!iblockdata.canPlace(generatoraccess, blockposition)) {
- if (!org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(generatoraccess, blockposition).isCancelled()) {
+ if (!(generatoraccess instanceof WorldServer && ((WorldServer) generatoraccess).hasPhysicsEvent) || !org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(generatoraccess, blockposition).isCancelled()) { // Paper
return Blocks.AIR.getBlockData();
}
}
diff --git a/src/main/java/net/minecraft/server/BlockTallPlant.java b/src/main/java/net/minecraft/server/BlockTallPlant.java
index 48eb9c8a68d45c88c7a42e8e400446a374fb4fc9..2c8d49501664862559ed8974b4821bdd36fabebf 100644
--- a/src/main/java/net/minecraft/server/BlockTallPlant.java
+++ b/src/main/java/net/minecraft/server/BlockTallPlant.java
@@ -67,7 +67,7 @@ public class BlockTallPlant extends BlockPlant {
protected static void b(World world, BlockPosition blockposition, IBlockData iblockdata, EntityHuman entityhuman) {
// CraftBukkit start
- if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, blockposition).isCancelled()) {
+ if (((WorldServer)world).hasPhysicsEvent && org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, blockposition).isCancelled()) { // Paper
return;
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 5b4b6810586761072a790b7bbe3368d26cd5bb13..a3913ee0756f79159ea0671c9041ab68db0aa121 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1173,6 +1173,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
while (iterator.hasNext()) {
WorldServer worldserver = (WorldServer) iterator.next();
+ worldserver.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
this.methodProfiler.a(() -> {
return worldserver + " " + worldserver.getDimensionKey().a();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 7c6127739f1d88ee0dc411db5fcaa37d7fff36f7..5ce86030a71c181c4c28b8934be4fa8c7eafc299 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -406,7 +406,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
// CraftBukkit start
iblockdata1.b(this, blockposition, k, j - 1); // Don't call an event for the old block to limit event spam
CraftWorld world = ((WorldServer) this).getWorld();
- if (world != null) {
+ if (world != null && ((WorldServer)this).hasPhysicsEvent) { // Paper
BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata));
this.getServer().getPluginManager().callEvent(event);
@@ -508,7 +508,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
try {
// CraftBukkit start
CraftWorld world = ((WorldServer) this).getWorld();
- if (world != null) {
+ if (world != null && ((WorldServer)this).hasPhysicsEvent) { // Paper
BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata), world.getBlockAt(blockposition1.getX(), blockposition1.getY(), blockposition1.getZ()));
this.getServer().getPluginManager().callEvent(event);
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 4029f090d7b01c10b4f3f99004ab92f04653e884..7e44af3e933f16fc00cd2b43e913f87380fb1cae 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -87,6 +87,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
private int tickPosition;
public final Convertable.ConversionSession convertable;
public final UUID uuid;
+ boolean hasPhysicsEvent = true; // Paper
@Override public Chunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
return this.chunkProvider.getChunkAt(x, z, false);