From c520e1a686aa333d55708ccdb2fbfca53ef11ff2 Mon Sep 17 00:00:00 2001
From: Alexander Brandes <mc.cache@web.de>
Date: Sun, 7 Aug 2022 09:13:09 +0200
Subject: [PATCH] Update upstream

54ed9e8 Add support for Y-offsets with back direction (2164)
---
 .../src/main/java/com/sk89q/worldedit/WorldEdit.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/WorldEdit.java b/worldedit-core/src/main/java/com/sk89q/worldedit/WorldEdit.java
index afd6aec72..b550d911a 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/WorldEdit.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/WorldEdit.java
@@ -602,7 +602,12 @@ public final class WorldEdit {
 
             case "b":
             case "back":
-                return getDirectionRelative(player, 180);
+                Direction dir = getDirectionRelative(player, 180);
+                if (dir.isUpright()) {
+                    // If this is an upright direction, flip it.
+                    dir = dir == Direction.UP ? Direction.DOWN : Direction.UP;
+                }
+                return dir;
 
             case "l":
             case "left":