Performance improvements (#11)

* update upstream to latest 1.20.1 commit

* implement performance improvements from upstream 1.20.2

gradle.properties

@@ -2,7 +2,7 @@ group=net.gommehd.cheetah
 version=1.20.1-R0.1-SNAPSHOT
 
 mcVersion=1.20.1
-paperRef=3fd1502717e753405a74fbad4a16d2fd7a14187b
+paperRef=773dd724469bae89d0c2075edc3d1ddc8d5b0b18
 
 org.gradle.caching=true
 org.gradle.parallel=true

patches/server/0017-implement-performance-improvements-from-upstream-1.2.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jendrik Eggers <[email protected]>
+Date: Sat, 21 Oct 2023 23:56:05 +0200
+Subject: [PATCH] implement performance improvements from upstream 1.20.2
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
+index fb6cbcc4839aef7dc4bd4a49613f892b07aab353..fbb082682626c442acfcb4470209e7e1590c0f69 100644
+--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
++++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
+@@ -1568,7 +1568,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+                 // Paper end - check Y
+
+                 // CraftBukkit start - respect vanish API
+-                if (!player.getBukkitEntity().canSee(this.entity.getBukkitEntity())) {
++                if (flag && !player.getBukkitEntity().canSee(this.entity.getBukkitEntity())) { // Cheetah - only consider hits
+                     flag = false;
+                 }
+                 // CraftBukkit end