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Paper-Old/patches/server/1011-Remove-streams-from-hot-code.patch
Bjarne Koll 7df472527f
Configurable damage tick when blocking with shield (#10877) 
A long standing bug in spigot and its derivatives was the fact that
players taking damage while blocking with a shield would not receive
invulnerability, while they do in vanilla.

This enabled the pvp technique of disabling a shield and immediately
attacking again to knock a player into the air.
While upstream fixed this and properly aligned itself with vanilla
damage logic (in this specific case) changing such long standing
behaviour has some downsides.

To allow players used to this specific bug to still use it, this patch
introduces a configuration option to re-introduce said bug.
As there is no easy way to *only* re-add this bug, the option is found
in the unsupported section as it may introduce other damage related
disparity from vanilla.
2024-06-15 23:17:51 +02:00

216 Zeilen
12 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: JRoy <joshroy126@gmail.com>
Date: Wed, 1 Jul 2020 18:01:49 -0400
Subject: [PATCH] Remove streams from hot code
Co-authored-by: Bjarne Koll <lynxplay101@gmail.com>
Co-authored-by: Spottedleaf <Spottedleaf@users.noreply.github.com>
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java b/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java
index 6a270c9adb044a6e0b1c8e09b9106d51989fd761..d4581127366736c54f74e4ef7479236b18fb487d 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/GateBehavior.java
@@ -57,7 +57,7 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
if (this.hasRequiredMemories(entity)) {
this.status = Behavior.Status.RUNNING;
this.orderPolicy.apply(this.behaviors);
- this.runningPolicy.apply(this.behaviors.stream(), world, entity, time);
+ this.runningPolicy.apply(this.behaviors, world, entity, time); // Paper - Perf: Remove streams from hot code
return true;
} else {
return false;
@@ -66,7 +66,13 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
@Override
public final void tickOrStop(ServerLevel world, E entity, long time) {
- this.behaviors.stream().filter(task -> task.getStatus() == Behavior.Status.RUNNING).forEach(task -> task.tickOrStop(world, entity, time));
+ // Paper start - Perf: Remove streams from hot code
+ for (final BehaviorControl<? super E> task : this.behaviors) {
+ if (task.getStatus() == Behavior.Status.RUNNING) {
+ task.tickOrStop(world, entity, time);
+ }
+ }
+ // Paper end - Perf: Remove streams from hot code
if (this.behaviors.stream().noneMatch(task -> task.getStatus() == Behavior.Status.RUNNING)) {
this.doStop(world, entity, time);
}
@@ -75,8 +81,16 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
@Override
public final void doStop(ServerLevel world, E entity, long time) {
this.status = Behavior.Status.STOPPED;
- this.behaviors.stream().filter(task -> task.getStatus() == Behavior.Status.RUNNING).forEach(task -> task.doStop(world, entity, time));
- this.exitErasedMemories.forEach(entity.getBrain()::eraseMemory);
+ // Paper start - Perf: Remove streams from hot code
+ for (final BehaviorControl<? super E> task : this.behaviors) {
+ if (task.getStatus() == Behavior.Status.RUNNING) {
+ task.doStop(world, entity, time);
+ }
+ }
+ for (final MemoryModuleType<?> exitErasedMemory : this.exitErasedMemories) {
+ entity.getBrain().eraseMemory(exitErasedMemory);
+ }
+ // Paper end - Perf: Remove streams from hot code
}
@Override
@@ -111,18 +125,30 @@ public class GateBehavior<E extends LivingEntity> implements BehaviorControl<E>
public static enum RunningPolicy {
RUN_ONE {
+ // Paper start - Perf: Remove streams from hot code
@Override
- public <E extends LivingEntity> void apply(Stream<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
- tasks.filter(task -> task.getStatus() == Behavior.Status.STOPPED).filter(task -> task.tryStart(world, entity, time)).findFirst();
+ public <E extends LivingEntity> void apply(ShufflingList<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
+ for (final BehaviorControl<? super E> task : tasks) {
+ if (task.getStatus() == Behavior.Status.STOPPED && task.tryStart(world, entity, time)) {
+ break;
+ }
+ }
+ // Paper end - Perf: Remove streams from hot code
}
},
TRY_ALL {
+ // Paper start - Perf: Remove streams from hot code
@Override
- public <E extends LivingEntity> void apply(Stream<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
- tasks.filter(task -> task.getStatus() == Behavior.Status.STOPPED).forEach(task -> task.tryStart(world, entity, time));
+ public <E extends LivingEntity> void apply(ShufflingList<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time) {
+ for (final BehaviorControl<? super E> task : tasks) {
+ if (task.getStatus() == Behavior.Status.STOPPED) {
+ task.tryStart(world, entity, time);
+ }
+ }
+ // Paper end - Perf: Remove streams from hot code
}
};
- public abstract <E extends LivingEntity> void apply(Stream<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time);
+ public abstract <E extends LivingEntity> void apply(ShufflingList<BehaviorControl<? super E>> tasks, ServerLevel world, E entity, long time); // Paper - Perf: Remove streams from hot code
}
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java b/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
index aa32804bc9affe9a615d3ffaa513f6f09aab3f32..c7f012674361a323c1efeca4660cd3f46d308ee1 100644
--- a/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
+++ b/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
@@ -59,8 +59,22 @@ public class GossipContainer {
return this.gossips.entrySet().stream().flatMap(entry -> entry.getValue().unpack(entry.getKey()));
}
+ // Paper start - Perf: Remove streams from hot code
+ private List<GossipContainer.GossipEntry> decompress() {
+ List<GossipContainer.GossipEntry> list = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
+ for (Map.Entry<UUID, GossipContainer.EntityGossips> entry : this.gossips.entrySet()) {
+ for (GossipContainer.GossipEntry cur : entry.getValue().decompress(entry.getKey())) {
+ if (cur.weightedValue() != 0) {
+ list.add(cur);
+ }
+ }
+ }
+ return list;
+ }
+ // Paper end - Perf: Remove streams from hot code
+
private Collection<GossipContainer.GossipEntry> selectGossipsForTransfer(RandomSource random, int count) {
- List<GossipContainer.GossipEntry> list = this.unpack().toList();
+ List<GossipContainer.GossipEntry> list = this.decompress(); // Paper - Perf: Remove streams from hot code
if (list.isEmpty()) {
return Collections.emptyList();
} else {
@@ -145,7 +159,7 @@ public class GossipContainer {
public <T> T store(DynamicOps<T> ops) {
return GossipContainer.GossipEntry.LIST_CODEC
- .encodeStart(ops, this.unpack().toList())
+ .encodeStart(ops, this.decompress()) // Paper - Perf: Remove streams from hot code
.resultOrPartial(error -> LOGGER.warn("Failed to serialize gossips: {}", error))
.orElseGet(ops::emptyList);
}
@@ -172,12 +186,23 @@ public class GossipContainer {
final Object2IntMap<GossipType> entries = new Object2IntOpenHashMap<>();
public int weightedValue(Predicate<GossipType> gossipTypeFilter) {
- return this.entries
- .object2IntEntrySet()
- .stream()
- .filter(entry -> gossipTypeFilter.test(entry.getKey()))
- .mapToInt(entry -> entry.getIntValue() * entry.getKey().weight)
- .sum();
+ // Paper start - Perf: Remove streams from hot code
+ int weight = 0;
+ for (Object2IntMap.Entry<GossipType> entry : entries.object2IntEntrySet()) {
+ if (gossipTypeFilter.test(entry.getKey())) {
+ weight += entry.getIntValue() * entry.getKey().weight;
+ }
+ }
+ return weight;
+ }
+
+ public List<GossipContainer.GossipEntry> decompress(UUID uuid) {
+ List<GossipContainer.GossipEntry> list = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
+ for (Object2IntMap.Entry<GossipType> entry : entries.object2IntEntrySet()) {
+ list.add(new GossipContainer.GossipEntry(uuid, entry.getKey(), entry.getIntValue()));
+ }
+ return list;
+ // Paper end - Perf: Remove streams from hot code
}
public Stream<GossipContainer.GossipEntry> unpack(UUID target) {
diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java
index 28fd073ddad358e087e8c78985a97cad21be81b7..a5bd308d1b3ea5db185c06a287167d1d8894a987 100644
--- a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java
+++ b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestItemSensor.java
@@ -24,13 +24,17 @@ public class NearestItemSensor extends Sensor<Mob> {
@Override
protected void doTick(ServerLevel world, Mob entity) {
Brain<?> brain = entity.getBrain();
- List<ItemEntity> list = world.getEntitiesOfClass(ItemEntity.class, entity.getBoundingBox().inflate(32.0, 16.0, 32.0), itemEntity -> true);
+ List<ItemEntity> list = world.getEntitiesOfClass(ItemEntity.class, entity.getBoundingBox().inflate(32.0, 16.0, 32.0), itemEntity -> itemEntity.closerThan(entity, MAX_DISTANCE_TO_WANTED_ITEM) && entity.wantsToPickUp(itemEntity.getItem())); // Paper - Perf: Move predicate into getEntities
list.sort(Comparator.comparingDouble(entity::distanceToSqr));
- Optional<ItemEntity> optional = list.stream()
- .filter(itemEntity -> entity.wantsToPickUp(itemEntity.getItem()))
- .filter(itemEntity -> itemEntity.closerThan(entity, 32.0))
- .filter(entity::hasLineOfSight)
- .findFirst();
- brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_WANTED_ITEM, optional);
+ // Paper start - Perf: remove streams from hot code
+ ItemEntity nearest = null;
+ for (ItemEntity entityItem : list) {
+ if (entity.hasLineOfSight(entityItem)) { // Paper - Perf: Move predicate into getEntities
+ nearest = entityItem;
+ break;
+ }
+ }
+ brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_WANTED_ITEM, Optional.ofNullable(nearest));
+ // Paper end - Perf: remove streams from hot code
}
}
diff --git a/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java b/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
index 04552e2cf3de2dc41dfe7e7a2e88b200eaaf280b..ca93a97256350789ca56f910862c9d717ca7670b 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/Beardifier.java
@@ -35,9 +35,10 @@ public class Beardifier implements DensityFunctions.BeardifierOrMarker {
int j = pos.getMinBlockZ();
ObjectList<Beardifier.Rigid> objectList = new ObjectArrayList<>(10);
ObjectList<JigsawJunction> objectList2 = new ObjectArrayList<>(32);
- world.startsForStructure(pos, structure -> structure.terrainAdaptation() != TerrainAdjustment.NONE)
- .forEach(
- start -> {
+ // Paper start - Perf: Remove streams from hot code
+ for (net.minecraft.world.level.levelgen.structure.StructureStart start : world.startsForStructure(pos, (structure) -> {
+ return structure.terrainAdaptation() != TerrainAdjustment.NONE;
+ })) { // Paper end - Perf: Remove streams from hot code
TerrainAdjustment terrainAdjustment = start.getStructure().terrainAdaptation();
for (StructurePiece structurePiece : start.getPieces()) {
@@ -65,8 +66,7 @@ public class Beardifier implements DensityFunctions.BeardifierOrMarker {
}
}
}
- }
- );
+ } // Paper - Perf: Remove streams from hot code
return new Beardifier(objectList.iterator(), objectList2.iterator());
}
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