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PaperMC/patches/server/0795-Remove-streams-for-villager-AI.patch
Jake Potrebic 1707c10395
fixes cancelling PlayerTradeEvent (#5612)
2021-09-22 21:10:35 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Thu, 27 Aug 2020 20:51:40 -0700
Subject: [PATCH] Remove streams for villager AI
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 09998d160a6d79fdb5a5041a5d572649a1532e6a..84bd9298840ba60abbdb0675cda0458e0d6a534a 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
@@ -30,11 +30,19 @@ public class GateBehavior<E extends LivingEntity> extends Behavior<E> {
@Override
protected boolean canStillUse(ServerLevel world, E entity, long time) {
- return this.behaviors.stream().filter((behavior) -> {
- return behavior.getStatus() == Behavior.Status.RUNNING;
- }).anyMatch((behavior) -> {
- return behavior.canStillUse(world, entity, time);
- });
+ // Paper start - remove streams
+ List<ShufflingList.WeightedEntry<Behavior<? super E>>> entries = this.behaviors.entries;
+ for (int i = 0; i < entries.size(); i++) {
+ ShufflingList.WeightedEntry<Behavior<? super E>> entry = entries.get(i);
+ Behavior<? super E> behavior = entry.getData();
+ if (behavior.getStatus() == Status.RUNNING) {
+ if (behavior.canStillUse(world, entity, time)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ // Paper end - remove streams
}
@Override
@@ -45,25 +53,35 @@ public class GateBehavior<E extends LivingEntity> extends Behavior<E> {
@Override
protected void start(ServerLevel world, E entity, long time) {
this.orderPolicy.apply(this.behaviors);
- this.runningPolicy.apply(this.behaviors.stream(), world, entity, time);
+ this.runningPolicy.apply(this.behaviors.entries, world, entity, time); // Paper - remove streams
}
@Override
protected void tick(ServerLevel world, E entity, long time) {
- this.behaviors.stream().filter((behavior) -> {
- return behavior.getStatus() == Behavior.Status.RUNNING;
- }).forEach((behavior) -> {
- behavior.tickOrStop(world, entity, time);
- });
+ // Paper start - remove streams
+ List<ShufflingList.WeightedEntry<Behavior<? super E>>> entries = this.behaviors.entries;
+ for (int i = 0; i < entries.size(); i++) {
+ ShufflingList.WeightedEntry<Behavior<? super E>> entry = entries.get(i);
+ Behavior<? super E> behavior = entry.getData();
+ if (behavior.getStatus() == Status.RUNNING) {
+ behavior.tickOrStop(world, entity, time);
+ }
+ }
+ // Paper end - remove streams
}
@Override
protected void stop(ServerLevel world, E entity, long time) {
- this.behaviors.stream().filter((behavior) -> {
- return behavior.getStatus() == Behavior.Status.RUNNING;
- }).forEach((behavior) -> {
- behavior.doStop(world, entity, time);
- });
+ // Paper start - remove streams
+ List<ShufflingList.WeightedEntry<Behavior<? super E>>> entries = this.behaviors.entries;
+ for (int i = 0; i < entries.size(); i++) {
+ ShufflingList.WeightedEntry<Behavior<? super E>> entry = entries.get(i);
+ Behavior<? super E> behavior = entry.getData();
+ if (behavior.getStatus() == Status.RUNNING) {
+ behavior.doStop(world, entity, time);
+ }
+ }
+ // Paper end - remove streams
this.exitErasedMemories.forEach(entity.getBrain()::eraseMemory);
}
@@ -94,25 +112,33 @@ public class GateBehavior<E extends LivingEntity> extends Behavior<E> {
public static enum RunningPolicy {
RUN_ONE {
@Override
- public <E extends LivingEntity> void apply(Stream<Behavior<? super E>> tasks, ServerLevel world, E entity, long time) {
- tasks.filter((behavior) -> {
- return behavior.getStatus() == Behavior.Status.STOPPED;
- }).filter((behavior) -> {
- return behavior.tryStart(world, entity, time);
- }).findFirst();
+ // Paper start - remove streams
+ public <E extends LivingEntity> void apply(List<ShufflingList.WeightedEntry<Behavior<? super E>>> tasks, ServerLevel world, E entity, long time) {
+ for (int i = 0; i < tasks.size(); i++) {
+ ShufflingList.WeightedEntry<Behavior<? super E>> task = tasks.get(i);
+ Behavior<? super E> behavior = task.getData();
+ if (behavior.getStatus() == Status.STOPPED && behavior.tryStart(world, entity, time)) {
+ break;
+ }
+ }
+ // Paper end - remove streams
}
},
TRY_ALL {
@Override
- public <E extends LivingEntity> void apply(Stream<Behavior<? super E>> tasks, ServerLevel world, E entity, long time) {
- tasks.filter((behavior) -> {
- return behavior.getStatus() == Behavior.Status.STOPPED;
- }).forEach((behavior) -> {
- behavior.tryStart(world, entity, time);
- });
+ // Paper start - remove streams
+ public <E extends LivingEntity> void apply(List<ShufflingList.WeightedEntry<Behavior<? super E>>> tasks, ServerLevel world, E entity, long time) {
+ for (int i = 0; i < tasks.size(); i++) {
+ ShufflingList.WeightedEntry<Behavior<? super E>> task = tasks.get(i);
+ Behavior<? super E> behavior = task.getData();
+ if (behavior.getStatus() == Status.STOPPED) {
+ behavior.tryStart(world, entity, time);
+ }
+ }
+ // Paper end - remove streams
}
};
- public abstract <E extends LivingEntity> void apply(Stream<Behavior<? super E>> tasks, ServerLevel world, E entity, long time);
+ public abstract <E extends LivingEntity> void apply(List<ShufflingList.WeightedEntry<Behavior<? super E>>> tasks, ServerLevel world, E entity, long time); // Paper - remove streams
}
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/SetLookAndInteract.java b/src/main/java/net/minecraft/world/entity/ai/behavior/SetLookAndInteract.java
index 1f59e790d62f0be8e505e339a6699ca3964aea0d..ee783bb7cbec2f58549cb95fde7cbc4c47efa1cb 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/SetLookAndInteract.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/SetLookAndInteract.java
@@ -34,21 +34,42 @@ public class SetLookAndInteract extends Behavior<LivingEntity> {
@Override
public boolean checkExtraStartConditions(ServerLevel world, LivingEntity entity) {
- return this.selfFilter.test(entity) && this.getVisibleEntities(entity).stream().anyMatch(this::isMatchingTarget);
+ // Paper start - remove streams
+ if (!this.selfFilter.test(entity)) {
+ return false;
+ }
+
+ List<LivingEntity> visibleEntities = this.getVisibleEntities(entity);
+ for (int i = 0; i < visibleEntities.size(); i++) {
+ LivingEntity livingEntity = visibleEntities.get(i);
+ if (this.isMatchingTarget(livingEntity)) {
+ return true;
+ }
+ }
+ return false;
+ // Paper end - remove streams
}
@Override
public void start(ServerLevel world, LivingEntity entity, long time) {
super.start(world, entity, time);
Brain<?> brain = entity.getBrain();
- brain.getMemory(MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES).ifPresent((list) -> {
- list.stream().filter((livingEntity2) -> {
- return livingEntity2.distanceToSqr(entity) <= (double)this.interactionRangeSqr;
- }).filter(this::isMatchingTarget).findFirst().ifPresent((livingEntity) -> {
- brain.setMemory(MemoryModuleType.INTERACTION_TARGET, livingEntity);
- brain.setMemory(MemoryModuleType.LOOK_TARGET, new EntityTracker(livingEntity, true));
- });
- });
+ // Paper start - remove streams
+ List<LivingEntity> list = brain.getMemory(MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES).orElse(null);
+ if (list != null) {
+ double maxRangeSquared = (double)this.interactionRangeSqr;
+ for (int i = 0; i < list.size(); i++) {
+ LivingEntity livingEntity2 = list.get(i);
+ if (livingEntity2.distanceToSqr(entity) <= maxRangeSquared) {
+ if (this.isMatchingTarget(livingEntity2)) {
+ brain.setMemory(MemoryModuleType.INTERACTION_TARGET, livingEntity2);
+ brain.setMemory(MemoryModuleType.LOOK_TARGET, new EntityTracker(livingEntity2, true));
+ break;
+ }
+ }
+ }
+ }
+ // Paper end - remove streams
}
private boolean isMatchingTarget(LivingEntity entity) {
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/ShufflingList.java b/src/main/java/net/minecraft/world/entity/ai/behavior/ShufflingList.java
index 4fa64b1e2004810906bb0b174436c8e687a75ada..aaff4038867820ab2694f036dcd3c419657be6b8 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/ShufflingList.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/ShufflingList.java
@@ -12,7 +12,7 @@ import java.util.Random;
import java.util.stream.Stream;
public class ShufflingList<U> {
- protected final List<ShufflingList.WeightedEntry<U>> entries;
+ public final List<ShufflingList.WeightedEntry<U>> entries; // Paper - public
private final Random random = new Random();
private final boolean isUnsafe; // Paper
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 49f3b25d28072b61f5cc97260df61df892a58714..71f2692c83feafbb31f45427e6c738cb3881c82c 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
@@ -25,17 +25,20 @@ public class NearestItemSensor extends Sensor<Mob> {
protected void doTick(ServerLevel world, Mob entity) {
Brain<?> brain = entity.getBrain();
List<ItemEntity> list = world.getEntitiesOfClass(ItemEntity.class, entity.getBoundingBox().inflate(8.0D, 4.0D, 8.0D), (itemEntity) -> {
- return true;
+ return itemEntity.closerThan(entity, 9.0D) && entity.wantsToPickUp(itemEntity.getItem()); // Paper - move predicate into getEntities
});
- list.sort(Comparator.comparingDouble(entity::distanceToSqr));
+ list.sort((e1, e2) -> Double.compare(entity.distanceToSqr(e1), entity.distanceToSqr(e2))); // better to take the sort perf hit than using line of sight more than we need to.
+ // Paper start - remove streams
// Paper start - remove streams in favour of lists
ItemEntity nearest = null;
- for (ItemEntity entityItem : list) {
- if (entity.wantsToPickUp(entityItem.getItem()) && entityItem.closerThan(entity, 9.0D) && entity.hasLineOfSight(entityItem)) {
+ for (int i = 0; i < list.size(); i++) {
+ ItemEntity entityItem = list.get(i);
+ if (entity.hasLineOfSight(entityItem)) {
nearest = entityItem;
break;
}
}
+ // Paper end - remove streams
brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_WANTED_ITEM, Optional.ofNullable(nearest));
// Paper end
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestLivingEntitySensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestLivingEntitySensor.java
index ffd83db0a419ab589e89feeddd3fb038d6ed5839..c6947aa93b7d2fbc23b0c0e76eed061eb03140c7 100644
--- a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestLivingEntitySensor.java
+++ b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestLivingEntitySensor.java
@@ -18,12 +18,19 @@ public class NearestLivingEntitySensor extends Sensor<LivingEntity> {
List<LivingEntity> list = world.getEntitiesOfClass(LivingEntity.class, aABB, (livingEntity2) -> {
return livingEntity2 != entity && livingEntity2.isAlive();
});
- list.sort(Comparator.comparingDouble(entity::distanceToSqr));
+ // Paper start - remove streams
+ list.sort((e1, e2) -> Double.compare(entity.distanceToSqr(e1), entity.distanceToSqr(e2)));
Brain<?> brain = entity.getBrain();
brain.setMemory(MemoryModuleType.NEAREST_LIVING_ENTITIES, list);
// Paper start - remove streams in favour of lists
- List<LivingEntity> visibleMobs = new java.util.ArrayList<>(list);
- visibleMobs.removeIf(otherEntityLiving -> !Sensor.isEntityTargetable(entity, otherEntityLiving));
+ List<LivingEntity> visibleMobs = new java.util.ArrayList<>();
+ for (int i = 0, len = list.size(); i < len; i++) {
+ LivingEntity nearby = list.get(i);
+ if (Sensor.isEntityTargetable(entity, nearby)) {
+ visibleMobs.add(nearby);
+ }
+ }
+ // Paper end - remove streams
brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES, visibleMobs);
// Paper end
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java
index 457ea75137b8b02dc32bf1769ae8d57c470da470..217c8fd1edf664dc568ee0559a38e0bd2a36696c 100644
--- a/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java
+++ b/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java
@@ -21,25 +21,31 @@ public class PlayerSensor extends Sensor<LivingEntity> {
@Override
protected void doTick(ServerLevel world, LivingEntity entity) {
- // Paper start - remove streams in favour of lists
- List<Player> players = new java.util.ArrayList<>(world.players());
- players.removeIf(player -> !EntitySelector.NO_SPECTATORS.test(player) || !entity.closerThan(player, 16.0D)); // Paper - removeIf only re-allocates once compared to iterator
+ // Paper start - remove streams
+ List<Player> players = (List)world.getNearbyPlayers(entity, entity.getX(), entity.getY(), entity.getZ(), 16.0D, EntitySelector.NO_SPECTATORS);
+ players.sort((e1, e2) -> Double.compare(entity.distanceToSqr(e1), entity.distanceToSqr(e2)));
Brain<?> brain = entity.getBrain();
brain.setMemory(MemoryModuleType.NEAREST_PLAYERS, players);
- Player nearest = null, nearestTargetable = null;
- for (Player player : players) {
- if (Sensor.isEntityTargetable(entity, player)) {
- if (nearest == null) nearest = player;
- if (Sensor.isEntityAttackable(entity, player)) {
- nearestTargetable = player;
- break; // Both variables are assigned, no reason to loop further
- }
+ Player firstTargetable = null;
+ Player firstAttackable = null;
+ for (int index = 0, len = players.size(); index < len; ++index) {
+ Player player = players.get(index);
+ if (firstTargetable == null && isEntityTargetable(entity, player)) {
+ firstTargetable = player;
+ }
+ if (firstAttackable == null && isEntityAttackable(entity, player)) {
+ firstAttackable = player;
+ }
+
+ if (firstAttackable != null && firstTargetable != null) {
+ break;
}
}
- brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_PLAYER, nearest);
- brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER, nearestTargetable);
- // Paper end
+
+ brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_PLAYER, firstTargetable);
+ brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER, Optional.ofNullable(firstAttackable));
+ // Paper end - remove streams
}
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/VillagerBabiesSensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/VillagerBabiesSensor.java
index 478010bc291fa3276aab0f66ce6283403af710ec..de39b608856bdf9bef7120a6922c01c5745f3771 100644
--- a/src/main/java/net/minecraft/world/entity/ai/sensing/VillagerBabiesSensor.java
+++ b/src/main/java/net/minecraft/world/entity/ai/sensing/VillagerBabiesSensor.java
@@ -22,7 +22,17 @@ public class VillagerBabiesSensor extends Sensor<LivingEntity> {
}
private List<LivingEntity> getNearestVillagerBabies(LivingEntity entities) {
- return this.getVisibleEntities(entities).stream().filter(this::isVillagerBaby).collect(Collectors.toList());
+ // Paper start - remove streams
+ List<LivingEntity> list = new java.util.ArrayList<>();
+ List<LivingEntity> visibleEntities = this.getVisibleEntities(entities);
+ for (int i = 0; i < visibleEntities.size(); i++) {
+ LivingEntity livingEntity = visibleEntities.get(i);
+ if (this.isVillagerBaby(livingEntity)) {
+ list.add(livingEntity);
+ }
+ }
+ return list;
+ // Paper end - remove streams
}
private boolean isVillagerBaby(LivingEntity entity) {
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