From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Mon, 21 Jun 2021 21:55:23 -0400
Subject: [PATCH] Update head rotation in missing places

In certain areas the player's head rotation could be desynced when teleported/moved.
This is because bukkit uses a separate head rotation field for yaw.
This issue only applies to players.

diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 4652f5b25bab9d6f44e1481aea47cf42fe381a07..8ec9177c328695932d7e768f3a6d8dab736f4f32 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1870,6 +1870,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
         this.setXRot(Mth.clamp(pitch, -90.0F, 90.0F) % 360.0F);
         this.yRotO = this.getYRot();
         this.xRotO = this.getXRot();
+        this.setYHeadRot(yaw); // Paper - Update head rotation
     }
 
     public void absMoveTo(double x, double y, double z) {
@@ -1908,6 +1909,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
         this.setXRot(pitch);
         this.setOldPosAndRot();
         this.reapplyPosition();
+        this.setYHeadRot(yaw); // Paper - Update head rotation
     }
 
     public final void setOldPosAndRot() {