54 Zeilen
2.5 KiB
Diff
54 Zeilen
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrew Steinborn <git@steinborn.me>
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Date: Mon, 9 Aug 2021 00:38:37 -0400
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Subject: [PATCH] Optimize indirect passenger iteration
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 64e0dafe15bbf8e0f5892337df69063982a9d82a..5223379e5c11c978fd85bd05ef9451aa2ddc2aa3 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -3891,20 +3891,34 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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}
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private Stream<Entity> getIndirectPassengersStream() {
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+ if (this.passengers.isEmpty()) { return Stream.of(); } // Paper - Optimize indirect passenger iteration
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return this.passengers.stream().flatMap(Entity::getSelfAndPassengers);
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}
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@Override
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public Stream<Entity> getSelfAndPassengers() {
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+ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper - Optimize indirect passenger iteration
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return Stream.concat(Stream.of(this), this.getIndirectPassengersStream());
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}
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@Override
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public Stream<Entity> getPassengersAndSelf() {
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+ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper - Optimize indirect passenger iteration
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return Stream.concat(this.passengers.stream().flatMap(Entity::getPassengersAndSelf), Stream.of(this));
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}
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public Iterable<Entity> getIndirectPassengers() {
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+ // Paper start - Optimize indirect passenger iteration
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+ if (this.passengers.isEmpty()) { return ImmutableList.of(); }
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+ ImmutableList.Builder<Entity> indirectPassengers = ImmutableList.builder();
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+ for (Entity passenger : this.passengers) {
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+ indirectPassengers.add(passenger);
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+ indirectPassengers.addAll(passenger.getIndirectPassengers());
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+ }
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+ return indirectPassengers.build();
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+ }
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+ private Iterable<Entity> getIndirectPassengers_old() {
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+ // Paper end - Optimize indirect passenger iteration
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return () -> {
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return this.getIndirectPassengersStream().iterator();
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};
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@@ -3917,6 +3931,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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}
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public boolean hasExactlyOnePlayerPassenger() {
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+ if (this.passengers.isEmpty()) { return false; } // Paper - Optimize indirect passenger iteration
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return this.countPlayerPassengers() == 1;
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}
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