Purpur/patches/server/0129-PaperPR-Do-not-obfuscate-air.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: stonar96 <minecraft.stonar96@gmail.com>
Date: Mon, 17 Aug 2020 19:18:16 -0500
Subject: [PATCH] PaperPR - Do not obfuscate air


diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
index 5a69dde15f..f475427af0 100644
--- a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
@@ -82,7 +82,8 @@ public final class ChunkPacketBlockControllerAntiXray extends ChunkPacketBlockCo
         for (String id : toObfuscate) {
             Block block = IRegistry.BLOCK.getOptional(new MinecraftKey(id)).orElse(null);
 
-            if (block != null) {
+            // Don't obfuscate air because air causes unnecessary block updates and causes block updates to fail in the void
+            if (block != null && !block.getBlockData().isAir()) {
                 obfuscateGlobal[ChunkSection.GLOBAL_PALETTE.getOrCreateIdFor(block.getBlockData())] = true;
             }
         }