mirror of
https://github.com/YatopiaMC/Yatopia.git
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51 lines
2.7 KiB
Diff
51 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Ivan Pekov <ivan@mrivanplays.com>
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Date: Wed, 23 Dec 2020 09:55:43 +0200
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Subject: [PATCH] Don't unnecessarily copy the passenger list
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It is only copied if it's needed, and that is in EntityTrackerEntry, when we've detected a change.
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 51c4ff1bd6948ab46d723c37af39c76cdf662be5..a48b56839a3516baa7d3373295b259a24012109e 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -3282,7 +3282,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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public List<Entity> getPassengers() {
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+ // Yatopia start - don't copy passengers list
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+ /*
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return (List) (this.passengers.isEmpty() ? Collections.emptyList() : Lists.newArrayList(this.passengers));
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+ */
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+ return this.passengers.isEmpty() ? Collections.emptyList() : this.passengers;
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+ // Yatopia end
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}
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public boolean w(Entity entity) {
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diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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index 228236bce14bfdf930570b453862dcfaae9e4823..0be11d1263d84b270c25ec8249832164dc75409d 100644
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--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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@@ -78,7 +78,7 @@ public class EntityTrackerEntry {
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List<Entity> list = this.tracker.getPassengers();
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if (!list.equals(this.p)) {
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- this.p = list;
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+ this.p = com.google.common.collect.ImmutableList.copyOf(list); // Yatopia - only copy list if something has changed
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this.broadcastIncludingSelf(new PacketPlayOutMount(this.tracker)); // CraftBukkit
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}
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index 6c39796e672a6412e85f69a6a3dfdb1037e51d30..eba7a33cb0c2f0bc18eda709dd1c2b341ddb36df 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -1430,7 +1430,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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this.chunkCheck(entity);
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} finally { timer.stopTiming(); } // Paper - timings
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if (entity.inChunk) {
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- Iterator iterator = entity.getPassengers().iterator();
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+ Iterator iterator = new java.util.ArrayList<>(entity.getPassengers()).iterator(); // Yatopia - copy the passengers list here too
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while (iterator.hasNext()) {
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Entity entity1 = (Entity) iterator.next();
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