papermc/patches/server/0072-Only-process-BlockPhysicsEvent-if-a-plugin-has-a-lis.patch
2021-11-30 19:26:33 +01:00

95 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 5cf85636e089a4bf2422d76b8df52c1166d3f148..697f2e6c10a74cb60191ed8c1cb563360089c8ea 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1366,6 +1366,7 @@ 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 9f7bbd602c19f317d05cd8b72453c2e37d8acff5..bd53d00db453767fb43ba0e50c0dc0a7730d55a4 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -205,6 +205,7 @@ 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 b6f2be487720e31a548a3cee4cd73319f402f6ff..bb6083b40e211964730f88057df509f6d860bc11 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -474,7 +474,7 @@ 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);
@@ -587,7 +587,7 @@ 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