diff --git a/Spigot-Server-Patches/0353-Ensure-chunks-are-always-loaded-on-hard-position-set.patch b/Spigot-Server-Patches/0353-Ensure-chunks-are-always-loaded-on-hard-position-set.patch new file mode 100644 index 0000000000..291b78e8d2 --- /dev/null +++ b/Spigot-Server-Patches/0353-Ensure-chunks-are-always-loaded-on-hard-position-set.patch @@ -0,0 +1,33 @@ +From 88e7c7af098c7a40518c05dbba690e037cb306d8 Mon Sep 17 00:00:00 2001 +From: Aikar +Date: Thu, 16 Aug 2018 17:36:41 -0400 +Subject: [PATCH] Ensure chunks are always loaded on hard position sets + +Player Movement, Entity Creation and Teleportation move +entities with a very "You are here, no debate" change, making +the server register them as there, regardless if that chunk was +loaded or not. + +It appears possible that with hack clients and lag, a player +may be able to move fast enough to move into an unloaded +chunk and get into a buggy state. + +To prevent this, we will ensure a chunk is always loaded, +guaranteeing that the entity will be properly registered +into its new home comfortably. + +diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java +index 9b5f7fcf72..3c279d3fe8 100644 +--- a/src/main/java/net/minecraft/server/Entity.java ++++ b/src/main/java/net/minecraft/server/Entity.java +@@ -1309,6 +1309,7 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper + this.lastYaw -= 360.0F; + } + ++ world.getChunkAt((int) Math.floor(this.locX), (int) Math.floor(this.locZ)); // Paper - ensure chunk is always loaded + this.setPosition(this.locX, this.locY, this.locZ); + this.setYawPitch(f, f1); + } +-- +2.18.0 +