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Optimise IEntityAccess#getPlayerByUUID (#2842)

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Use the world entity map instead of iterating over all players
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Spottedleaf 2020-01-11 22:36:31 -08:00 committed by Shane Freeder
parent 4237539e58
commit d94d6a2970
1 changed files with 47 additions and 0 deletions
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Spigot-Server-Patches/0422-Optimise-IEntityAccess-getPlayerByUUID.patch Normal file
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@ -0,0 +1,47 @@
From f30c7d9a67da1929516f92711d6dd7e8b69ead6e Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 11 Jan 2020 21:50:56 -0800
Subject: [PATCH] Optimise IEntityAccess#getPlayerByUUID
Use the world entity map instead of iterating over all players
diff --git a/src/main/java/net/minecraft/server/IEntityAccess.java b/src/main/java/net/minecraft/server/IEntityAccess.java
index c8512f9f4..467b35e3c 100644
--- a/src/main/java/net/minecraft/server/IEntityAccess.java
+++ b/src/main/java/net/minecraft/server/IEntityAccess.java
@@ -219,6 +219,12 @@ public interface IEntityAccess {
@Nullable
default EntityHuman b(UUID uuid) {
+ // Paper start - allow WorldServer to override
+ return this.getPlayerByUUID(uuid);
+ }
+ @Nullable
+ default EntityHuman getPlayerByUUID(UUID uuid) {
+ // Paper end
for (int i = 0; i < this.getPlayers().size(); ++i) {
EntityHuman entityhuman = (EntityHuman) this.getPlayers().get(i);
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 70cbff313..8526a3fda 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -82,6 +82,15 @@ public class WorldServer extends World {
return new Throwable(entity + " Added to world at " + new java.util.Date());
}
+ // Paper start - optimise getPlayerByUUID
+ @Nullable
+ @Override
+ public EntityHuman getPlayerByUUID(UUID uuid) {
+ Entity player = this.entitiesByUUID.get(uuid);
+ return (player instanceof EntityHuman) ? (EntityHuman)player : null;
+ }
+ // Paper end
+
// Paper start - Asynchronous IO
public final com.destroystokyo.paper.io.PaperFileIOThread.ChunkDataController poiDataController = new com.destroystokyo.paper.io.PaperFileIOThread.ChunkDataController() {
@Override
--
2.24.1