From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Paul Sauve <paul@technove.co>
Date: Mon, 26 Apr 2021 11:26:37 -0500
Subject: [PATCH] Cache coordinate key for micro opt


diff --git a/src/main/java/net/minecraft/server/level/PlayerChunk.java b/src/main/java/net/minecraft/server/level/PlayerChunk.java
index 86f156587a0939b28c5cf6f64907255c1c4f8b35..06157bb07cce3ba24087ceaca7138b5609b37b5b 100644
--- a/src/main/java/net/minecraft/server/level/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/level/PlayerChunk.java
@@ -58,6 +58,7 @@ public class PlayerChunk {
     private int ticketLevel; public final void setTicketLevel(final int level) { this.ticketLevel = level; } // Tuinity - OBFHELPER
     volatile int n; public final int getCurrentPriority() { return n; } // Paper - OBFHELPER - make volatile since this is concurrently accessed
     public final ChunkCoordIntPair location; // Paper - private -> public
+    private final long coordinateKey; // Airplane - cache key for location
     private boolean p;
     private final ShortSet[] dirtyBlocks;
     private int r;
@@ -80,7 +81,7 @@ public class PlayerChunk {
     com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> playersInChunkTickRange;
 
     void updateRanges() {
-        long key = net.minecraft.server.MCUtil.getCoordinateKey(this.location);
+        long key = this.coordinateKey; //net.minecraft.server.MCUtil.getCoordinateKey(this.location); // Airplane - use cached key
         this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
         this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
         // Tuinity start - optimise checkDespawn
@@ -232,7 +233,7 @@ public class PlayerChunk {
         this.entityTickingFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
         this.chunkSave = CompletableFuture.completedFuture(null); // CraftBukkit - decompile error
         this.dirtyBlocks = new ShortSet[16];
-        this.location = chunkcoordintpair;
+        this.location = chunkcoordintpair; this.coordinateKey = net.minecraft.server.MCUtil.getCoordinateKey(this.location); // Airplane
         this.lightEngine = lightengine;
         this.u = playerchunk_c;
         this.players = playerchunk_d;