diff options
Diffstat (limited to 'patches/server/0579-Optimize-indirect-passenger-iteration.patch')
-rw-r--r-- | patches/server/0579-Optimize-indirect-passenger-iteration.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/patches/server/0579-Optimize-indirect-passenger-iteration.patch b/patches/server/0579-Optimize-indirect-passenger-iteration.patch new file mode 100644 index 0000000000..8f1a5a8cfb --- /dev/null +++ b/patches/server/0579-Optimize-indirect-passenger-iteration.patch @@ -0,0 +1,53 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Andrew Steinborn <[email protected]> +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 317115dd54252e882575aa04dbfb3f977ba3df60..567c1d741628fcafca02fc06922ad6d77fa823ff 100644 +--- a/src/main/java/net/minecraft/world/entity/Entity.java ++++ b/src/main/java/net/minecraft/world/entity/Entity.java +@@ -3890,20 +3890,34 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess + } + + private Stream<Entity> getIndirectPassengersStream() { ++ if (this.passengers.isEmpty()) { return Stream.of(); } // Paper - Optimize indirect passenger iteration + return this.passengers.stream().flatMap(Entity::getSelfAndPassengers); + } + + @Override + public Stream<Entity> getSelfAndPassengers() { ++ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper - Optimize indirect passenger iteration + return Stream.concat(Stream.of(this), this.getIndirectPassengersStream()); + } + + @Override + public Stream<Entity> getPassengersAndSelf() { ++ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper - Optimize indirect passenger iteration + return Stream.concat(this.passengers.stream().flatMap(Entity::getPassengersAndSelf), Stream.of(this)); + } + + public Iterable<Entity> getIndirectPassengers() { ++ // Paper start - Optimize indirect passenger iteration ++ 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 - Optimize indirect passenger iteration + return () -> { + return this.getIndirectPassengersStream().iterator(); + }; +@@ -3916,6 +3930,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess + } + + public boolean hasExactlyOnePlayerPassenger() { ++ if (this.passengers.isEmpty()) { return false; } // Paper - Optimize indirect passenger iteration + return this.countPlayerPassengers() == 1; + } + |