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193 lines
10 KiB
Diff
193 lines
10 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: peaches94 <peachescu94@gmail.com>
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Date: Sun, 10 Jul 2022 13:29:20 -0500
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Subject: [PATCH] Petal: reduce work done by game event system
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Original license: GPL v3
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Original project: https://github.com/Bloom-host/Petal
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1. going into game event dispatching can be expensive so run the checks before dispatching
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2. EuclideanGameEventListenerRegistry is not used concurrently so we ban that usage for improved performance with allays
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
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index 163e63e3c538c7c1c75ed634896db9d8c00416f3..d07c31d21c98583f7a387a23697b673feae6ad6b 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
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@@ -85,6 +85,13 @@ public class SculkCatalystBlockEntity extends BlockEntity implements GameEventLi
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}
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+ // petal start
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+ @Override
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+ public boolean listensToEvent(GameEvent gameEvent, GameEvent.Context context) {
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+ return !this.isRemoved() && gameEvent == GameEvent.ENTITY_DIE && context.sourceEntity() instanceof LivingEntity;
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+ }
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+ // petal end
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+
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public static void serverTick(Level world, BlockPos pos, BlockState state, SculkCatalystBlockEntity blockEntity) {
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org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverride = blockEntity.getBlockPos(); // CraftBukkit - SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep.
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blockEntity.sculkSpreader.updateCursors(world, pos, world.getRandom(), true);
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diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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index c752545aa67ef6488d8dfa80fa424e123d7c8f0b..4c0f62f95990dc926ced1e4528612904bfbb6399 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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@@ -87,7 +87,18 @@ public class LevelChunk extends ChunkAccess {
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private Supplier<ChunkHolder.FullChunkStatus> fullStatus;
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@Nullable
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private LevelChunk.PostLoadProcessor postLoad;
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- private final Int2ObjectMap<GameEventListenerRegistry> gameEventListenerRegistrySections;
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+ // petal start
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+ private final GameEventListenerRegistry[] gameEventListenerRegistrySections;
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+ private static final int GAME_EVENT_DISPATCHER_RADIUS = 2;
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+
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+ private static int getGameEventSectionIndex(int sectionIndex) {
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+ return sectionIndex + GAME_EVENT_DISPATCHER_RADIUS;
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+ }
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+
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+ private static int getGameEventSectionLength(int sectionCount) {
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+ return sectionCount + (GAME_EVENT_DISPATCHER_RADIUS * 2);
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+ }
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+ // petal end
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private final LevelChunkTicks<Block> blockTicks;
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private final LevelChunkTicks<Fluid> fluidTicks;
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@@ -116,7 +127,7 @@ public class LevelChunk extends ChunkAccess {
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this.tickersInLevel = Maps.newHashMap();
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this.clientLightReady = false;
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this.level = (ServerLevel) world; // CraftBukkit - type
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- this.gameEventListenerRegistrySections = new Int2ObjectOpenHashMap();
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+ this.gameEventListenerRegistrySections = new GameEventListenerRegistry[getGameEventSectionLength(this.getSectionsCount())]; // petal
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Heightmap.Types[] aheightmap_type = Heightmap.Types.values();
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int j = aheightmap_type.length;
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@@ -449,9 +460,23 @@ public class LevelChunk extends ChunkAccess {
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if (world instanceof ServerLevel) {
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ServerLevel worldserver = (ServerLevel) world;
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- return (GameEventListenerRegistry) this.gameEventListenerRegistrySections.computeIfAbsent(ySectionCoord, (j) -> {
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- return new EuclideanGameEventListenerRegistry(worldserver);
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- });
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+ // petal start
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+ int sectionIndex = getGameEventSectionIndex(this.getSectionIndexFromSectionY(ySectionCoord));
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+
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+ // drop game events that are too far away (32 blocks) from loaded sections
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+ // this matches the highest radius of game events in the game
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+ if (sectionIndex < 0 || sectionIndex >= this.gameEventListenerRegistrySections.length) {
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+ return GameEventListenerRegistry.NOOP;
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+ }
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+
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+ var dispatcher = this.gameEventListenerRegistrySections[sectionIndex];
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+
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+ if (dispatcher == null) {
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+ dispatcher = this.gameEventListenerRegistrySections[sectionIndex] = new EuclideanGameEventListenerRegistry(worldserver);
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+ }
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+
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+ return dispatcher;
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+ // petal end
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} else {
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return super.getListenerRegistry(ySectionCoord);
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}
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@@ -815,7 +840,7 @@ public class LevelChunk extends ChunkAccess {
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gameeventlistenerregistry.unregister(gameeventlistener);
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if (gameeventlistenerregistry.isEmpty()) {
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- this.gameEventListenerRegistrySections.remove(i);
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+ this.gameEventListenerRegistrySections[getGameEventSectionIndex(this.getSectionIndexFromSectionY(i))] = null; // petal
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}
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}
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}
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diff --git a/src/main/java/net/minecraft/world/level/gameevent/EuclideanGameEventListenerRegistry.java b/src/main/java/net/minecraft/world/level/gameevent/EuclideanGameEventListenerRegistry.java
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index 878a42695ecedf0c3f2e6310e3ce44c6b6c36858..3c3168284bfc22dab4037a861aff9f1712cb1c05 100644
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--- a/src/main/java/net/minecraft/world/level/gameevent/EuclideanGameEventListenerRegistry.java
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+++ b/src/main/java/net/minecraft/world/level/gameevent/EuclideanGameEventListenerRegistry.java
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@@ -12,8 +12,8 @@ import net.minecraft.world.phys.Vec3;
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public class EuclideanGameEventListenerRegistry implements GameEventListenerRegistry {
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private final List<GameEventListener> listeners = Lists.newArrayList();
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- private final Set<GameEventListener> listenersToRemove = Sets.newHashSet();
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- private final List<GameEventListener> listenersToAdd = Lists.newArrayList();
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+ //private final Set<GameEventListener> listenersToRemove = Sets.newHashSet(); // petal - not necessary
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+ //private final List<GameEventListener> listenersToAdd = Lists.newArrayList(); // petal
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private boolean processing;
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private final ServerLevel level;
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@@ -29,7 +29,7 @@ public class EuclideanGameEventListenerRegistry implements GameEventListenerRegi
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@Override
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public void register(GameEventListener listener) {
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if (this.processing) {
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- this.listenersToAdd.add(listener);
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+ throw new java.util.ConcurrentModificationException(); // petal - disallow concurrent modification
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} else {
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this.listeners.add(listener);
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}
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@@ -40,7 +40,7 @@ public class EuclideanGameEventListenerRegistry implements GameEventListenerRegi
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@Override
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public void unregister(GameEventListener listener) {
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if (this.processing) {
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- this.listenersToRemove.add(listener);
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+ throw new java.util.ConcurrentModificationException(); // petal - disallow concurrent modification
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} else {
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this.listeners.remove(listener);
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}
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@@ -57,7 +57,7 @@ public class EuclideanGameEventListenerRegistry implements GameEventListenerRegi
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while(iterator.hasNext()) {
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GameEventListener gameEventListener = iterator.next();
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- if (this.listenersToRemove.remove(gameEventListener)) {
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+ if (false) { // petal - disallow concurrent modification
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iterator.remove();
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} else {
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Optional<Vec3> optional = getPostableListenerPosition(this.level, pos, gameEventListener);
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@@ -71,6 +71,8 @@ public class EuclideanGameEventListenerRegistry implements GameEventListenerRegi
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this.processing = false;
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}
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+ // petal start
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+ /*
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if (!this.listenersToAdd.isEmpty()) {
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this.listeners.addAll(this.listenersToAdd);
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this.listenersToAdd.clear();
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@@ -80,6 +82,8 @@ public class EuclideanGameEventListenerRegistry implements GameEventListenerRegi
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this.listeners.removeAll(this.listenersToRemove);
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this.listenersToRemove.clear();
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}
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+ */
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+ // petal end
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return bl;
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}
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diff --git a/src/main/java/net/minecraft/world/level/gameevent/GameEventListener.java b/src/main/java/net/minecraft/world/level/gameevent/GameEventListener.java
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index a6689c03777c2b4b79dcafcae5d70c949519cd8e..f94169a3e177251a05644e3e384ac0514efd3719 100644
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--- a/src/main/java/net/minecraft/world/level/gameevent/GameEventListener.java
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+++ b/src/main/java/net/minecraft/world/level/gameevent/GameEventListener.java
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@@ -18,4 +18,10 @@ public interface GameEventListener {
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UNSPECIFIED,
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BY_DISTANCE;
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}
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+
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+ // petal start - add check for seeing if this listener cares about an event
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+ default boolean listensToEvent(net.minecraft.world.level.gameevent.GameEvent gameEvent, net.minecraft.world.level.gameevent.GameEvent.Context context) {
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+ return true;
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+ }
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+ // petal end
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}
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diff --git a/src/main/java/net/minecraft/world/level/gameevent/vibrations/VibrationListener.java b/src/main/java/net/minecraft/world/level/gameevent/vibrations/VibrationListener.java
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index 3288837a406539c4a22464524ffb2e727c6ad32b..f36c53a7f34be7540c805df91454fa614cd3bbb7 100644
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--- a/src/main/java/net/minecraft/world/level/gameevent/vibrations/VibrationListener.java
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+++ b/src/main/java/net/minecraft/world/level/gameevent/vibrations/VibrationListener.java
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@@ -225,6 +225,13 @@ public class VibrationListener implements GameEventListener {
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return true;
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}
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+ // petal start
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+ @Override
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+ public boolean listensToEvent(GameEvent gameEvent, GameEvent.Context context) {
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+ return this.currentVibration == null && gameEvent.is(this.config.getListenableEvents());
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+ }
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+ // petal end
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+
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public interface VibrationListenerConfig {
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default TagKey<GameEvent> getListenableEvents() {
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