diff options
Diffstat (limited to 'patches/server/0707-Optimize-indirect-passenger-iteration.patch')
-rw-r--r-- | patches/server/0707-Optimize-indirect-passenger-iteration.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/patches/server/0707-Optimize-indirect-passenger-iteration.patch b/patches/server/0707-Optimize-indirect-passenger-iteration.patch new file mode 100644 index 0000000000..3f6f8f2a1f --- /dev/null +++ b/patches/server/0707-Optimize-indirect-passenger-iteration.patch @@ -0,0 +1,52 @@ +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 62f1c3f197804bb4867ea0aea614038d9c96c283..4da2419e1aafee5f730b0793dc79e44531610e07 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; |