136 lines
7.6 KiB
Diff
136 lines
7.6 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] reduce work done by game event system
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Original license: GPLv3
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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. euclideangameeventdispatcher 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/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 50daf0762ae2eded8e5e42db12bcdb06ed183225..fa51185762cf68b9f086d278db2f1d1441315344 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1617,6 +1617,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
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if (chunk != null) {
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for (int j2 = k; j2 <= j1; ++j2) {
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flag |= chunk.getEventDispatcher(j2).walkListeners(event, emitterPos, emitter, (gameeventlistener, vec3d1) -> {
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+ if (!gameeventlistener.listensToEvent(event, emitter)) return; // petal - if they don't listen, ignore
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(gameeventlistener.handleEventsImmediately() ? list : this.gameEventMessages).add(new GameEvent.Message(event, emitterPos, emitter, gameeventlistener, vec3d1));
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});
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}
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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 22c309343299e60ed8028229b7f134109001ff35..d5947d29295ddc93ba8ac1c0fc61f7badad582c4 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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}
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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/gameevent/EuclideanGameEventDispatcher.java b/src/main/java/net/minecraft/world/level/gameevent/EuclideanGameEventDispatcher.java
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index 0dd708ebe81f73710de51215529c05ec61837dd3..f5b402efa86f824c460db8cac20c1c2b090f82d0 100644
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--- a/src/main/java/net/minecraft/world/level/gameevent/EuclideanGameEventDispatcher.java
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+++ b/src/main/java/net/minecraft/world/level/gameevent/EuclideanGameEventDispatcher.java
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@@ -13,8 +13,8 @@ import net.minecraft.world.phys.Vec3;
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public class EuclideanGameEventDispatcher implements GameEventDispatcher {
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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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@@ -30,7 +30,7 @@ public class EuclideanGameEventDispatcher implements GameEventDispatcher {
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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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@@ -41,7 +41,7 @@ public class EuclideanGameEventDispatcher implements GameEventDispatcher {
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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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@@ -58,7 +58,7 @@ public class EuclideanGameEventDispatcher implements GameEventDispatcher {
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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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@@ -72,6 +72,8 @@ public class EuclideanGameEventDispatcher implements GameEventDispatcher {
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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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@@ -81,6 +83,8 @@ public class EuclideanGameEventDispatcher implements GameEventDispatcher {
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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 e5601afe8b739da518f36ae306f5e0cb252238f0..bc8f04424c5e8c416d6988f0e06d8cadbb400ca7 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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@@ -12,4 +12,10 @@ public interface GameEventListener {
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int getListenerRadius();
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boolean handleGameEvent(ServerLevel world, GameEvent.Message event);
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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 e45f54534bbf054eaf0008546ff459d4c11ddd50..e49d0d1c2a539fcd7e75262c4010475193964287 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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@@ -162,6 +162,13 @@ 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.receivingEvent == 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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