PaperMC/patches/server/0076-Only-process-BlockPhysicsEvent-if-a-plugin-has-a-lis.patch
2022-12-07 19:52:24 +01:00

70 lines
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/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 8989d13eb6ee94a1dbbe986cfcf0755faaa4e85c..f725fbb64b7d801e4e4c7a6d5e1be6dd96cab047 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1357,6 +1357,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
while (iterator.hasNext()) {
ServerLevel worldserver = (ServerLevel) iterator.next();
+ worldserver.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
this.profiler.push(() -> {
return worldserver + " " + worldserver.dimension().location();
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index a99744982184649d927f72675f9cfd29e6909741..6f05f44f1123e1e152ec62d9c9f083c3d0046292 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -218,6 +218,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
// CraftBukkit start
public final LevelStorageSource.LevelStorageAccess convertable;
public final UUID uuid;
+ public boolean hasPhysicsEvent = true; // Paper
@Override public LevelChunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
return this.chunkSource.getChunk(x, z, false);
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 3e4ebdb53b543c85c1179b591ce5569336fbb995..89274e7df5ab8e8681d96b20c752fa34eebc44f3 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -496,7 +496,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
// CraftBukkit start
iblockdata1.updateIndirectNeighbourShapes(this, blockposition, k, j - 1); // Don't call an event for the old block to limit event spam
CraftWorld world = ((ServerLevel) this).getWorld();
- if (world != null) {
+ if (world != null && ((ServerLevel)this).hasPhysicsEvent) { // Paper
BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata));
this.getCraftServer().getPluginManager().callEvent(event);
diff --git a/src/main/java/net/minecraft/world/level/block/BushBlock.java b/src/main/java/net/minecraft/world/level/block/BushBlock.java
index d40e791529911ca81398ac267a819415da91502a..03fde6e47c4a347c62fe9b4a3351769aedf874f6 100644
--- a/src/main/java/net/minecraft/world/level/block/BushBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BushBlock.java
@@ -24,7 +24,7 @@ public class BushBlock extends Block {
public BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor world, BlockPos pos, BlockPos neighborPos) {
// CraftBukkit start
if (!state.canSurvive(world, pos)) {
- if (!org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) {
+ if (!(world instanceof net.minecraft.server.level.ServerLevel && ((net.minecraft.server.level.ServerLevel) world).hasPhysicsEvent) || !org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper
return Blocks.AIR.defaultBlockState();
}
}
diff --git a/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java b/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
index 12bf4125bc697092a038600955318f8436bdb5d7..e234ae13fe9793db237adb6f6216fa32638cfc4f 100644
--- a/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
@@ -95,7 +95,7 @@ public class DoublePlantBlock extends BushBlock {
protected static void preventCreativeDropFromBottomPart(Level world, BlockPos pos, BlockState state, Player player) {
// CraftBukkit start
- if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) {
+ if (((net.minecraft.server.level.ServerLevel)world).hasPhysicsEvent && org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper
return;
}
// CraftBukkit end