53 lines
2.3 KiB
Diff
53 lines
2.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Andrew Steinborn <git@steinborn.me>
|
|
Date: Mon, 9 Aug 2021 00:38:37 -0400
|
|
Subject: [PATCH] Optimize indirect passenger iteration
|
|
|
|
|
|
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
|
|
index 7cd731c123e01a71ae9c98c1d6d4ec87d5852849..260ce781fe0bc8d4c9cbf80bb8c8ca4762402273 100644
|
|
--- a/src/main/java/net/minecraft/world/entity/Entity.java
|
|
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
|
|
@@ -3534,26 +3534,41 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
|
|
}
|
|
|
|
private Stream<Entity> getIndirectPassengersStream() {
|
|
+ if (this.passengers.isEmpty()) { return Stream.of(); } // Paper
|
|
return this.passengers.stream().flatMap(Entity::getSelfAndPassengers);
|
|
}
|
|
|
|
@Override
|
|
public Stream<Entity> getSelfAndPassengers() {
|
|
+ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper
|
|
return Stream.concat(Stream.of(this), this.getIndirectPassengersStream());
|
|
}
|
|
|
|
@Override
|
|
public Stream<Entity> getPassengersAndSelf() {
|
|
+ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper
|
|
return Stream.concat(this.passengers.stream().flatMap(Entity::getPassengersAndSelf), Stream.of(this));
|
|
}
|
|
|
|
public Iterable<Entity> getIndirectPassengers() {
|
|
+ // Paper start - rewrite this method
|
|
+ if (this.passengers.isEmpty()) { return ImmutableList.of(); }
|
|
+ ImmutableList.Builder<Entity> indirectPassengers = ImmutableList.builder();
|
|
+ for (Entity passenger : this.passengers) {
|
|
+ indirectPassengers.add(passenger);
|
|
+ indirectPassengers.addAll(passenger.getIndirectPassengers());
|
|
+ }
|
|
+ return indirectPassengers.build();
|
|
+ }
|
|
+ private Iterable<Entity> getIndirectPassengers_old() {
|
|
+ // Paper end
|
|
return () -> {
|
|
return this.getIndirectPassengersStream().iterator();
|
|
};
|
|
}
|
|
|
|
public boolean hasExactlyOnePlayerPassenger() {
|
|
+ if (this.passengers.isEmpty()) { return false; } // Paper
|
|
return this.getIndirectPassengersStream().filter((entity) -> {
|
|
return entity instanceof Player;
|
|
}).count() == 1L;
|