Paper/patches/server/0980-Don-t-load-chunks-for-supporting-block-checks.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Wed, 5 Jul 2023 23:11:53 +0100
Subject: [PATCH] Don't load chunks for supporting block checks


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 131d88eed13741a5438910b9acc7ffa53d56e86a..4b2d3b5a0a6f4ef168b1b1c2cf1b2e8510b82712 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1368,7 +1368,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
     }
 
     protected BlockPos getOnPos(float offset) {
-        if (this.mainSupportingBlockPos.isPresent()) {
+        if (this.mainSupportingBlockPos.isPresent() && this.level().getChunkIfLoadedImmediately(this.mainSupportingBlockPos.get()) != null) { // Paper - ensure no loads
             BlockPos blockposition = (BlockPos) this.mainSupportingBlockPos.get();
 
             if (offset <= 1.0E-5F) {
Don't allow for supporting block checks to load chunks I cannot test this due to lack of hardware (took 30 minutes getting paper updated and loaded into IJ on this machine...), however, this is the easiest patch for now. Ideally, some form of distance check would probably be added to improve invalidation of this cache. 2023-07-06 00:13:30 +02:00			`From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001`
			`From: Shane Freeder <theboyetronic@gmail.com>`
			`Date: Wed, 5 Jul 2023 23:11:53 +0100`
			`Subject: [PATCH] Don't load chunks for supporting block checks`


			`diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java`
Remove isRemoved skip on .discard() (#9520) 2023-07-24 11:04:40 +02:00			`index 131d88eed13741a5438910b9acc7ffa53d56e86a..4b2d3b5a0a6f4ef168b1b1c2cf1b2e8510b82712 100644`
Don't allow for supporting block checks to load chunks I cannot test this due to lack of hardware (took 30 minutes getting paper updated and loaded into IJ on this machine...), however, this is the easiest patch for now. Ideally, some form of distance check would probably be added to improve invalidation of this cache. 2023-07-06 00:13:30 +02:00			`--- a/src/main/java/net/minecraft/world/entity/Entity.java`
			`+++ b/src/main/java/net/minecraft/world/entity/Entity.java`
Remove isRemoved skip on .discard() (#9520) 2023-07-24 11:04:40 +02:00			`@@ -1368,7 +1368,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {`
Don't allow for supporting block checks to load chunks I cannot test this due to lack of hardware (took 30 minutes getting paper updated and loaded into IJ on this machine...), however, this is the easiest patch for now. Ideally, some form of distance check would probably be added to improve invalidation of this cache. 2023-07-06 00:13:30 +02:00			`}`

			`protected BlockPos getOnPos(float offset) {`
			`- if (this.mainSupportingBlockPos.isPresent()) {`
			`+ if (this.mainSupportingBlockPos.isPresent() && this.level().getChunkIfLoadedImmediately(this.mainSupportingBlockPos.get()) != null) { // Paper - ensure no loads`
			`BlockPos blockposition = (BlockPos) this.mainSupportingBlockPos.get();`

			`if (offset <= 1.0E-5F) {`