Paper/patches/server/0073-Only-process-BlockPhysicsEvent-if-a-plugin-has-a-lis.patch
2021-12-10 15:24:07 +01:00

96 lines
6.2 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 9d6daeba112e68c64c2b5d7d0c7717766913fd56..b8938c4118b61758874624229b6986956f30cc8e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1367,6 +1367,7 @@ 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 4e896cdc395cfb2b976e13ee3f0228d9f475069f..419f539109ca0b8103475e52d0fdda40a7b99cc7 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -207,6 +207,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
private int tickPosition;
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 987962d1142c0ec0e28a9f2c7a62c8440bb10bd7..a0529181ab587c6675a6b6252efa12354c29316e 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -475,7 +475,7 @@ 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);
@@ -588,7 +588,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
try {
// CraftBukkit start
CraftWorld world = ((ServerLevel) this).getWorld();
- if (world != null) {
+ if (world != null && ((ServerLevel)this).hasPhysicsEvent) { // Paper
BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(pos.getX(), pos.getY(), pos.getZ()), CraftBlockData.fromData(iblockdata), world.getBlockAt(neighborPos.getX(), neighborPos.getY(), neighborPos.getZ()));
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 24227939493f852a88477c84160bda1605291eb0..1f8cf302d2309aec2955832ffafd87f14934e141 100644
--- a/src/main/java/net/minecraft/world/level/block/BushBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BushBlock.java
@@ -4,6 +4,7 @@ import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.tags.BlockTags;
import net.minecraft.tags.Tag;
+import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
@@ -25,7 +26,7 @@ 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 ServerLevel && ((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 bad85ac1f369d1044fa2e68b6e49cebc3c253c5b..e12b76238cb52a1007f2102473b7f892f8521b62 100644
--- a/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
@@ -4,6 +4,7 @@ import javax.annotation.Nullable;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.util.Mth;
+import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
@@ -93,7 +94,7 @@ 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 (((ServerLevel)world).hasPhysicsEvent && org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper
return;
}
// CraftBukkit end