From 54ed9e89d91255def21a53bb2d58c6e219bd6c1b Mon Sep 17 00:00:00 2001
From: Maddy Miller <mnmiller1@me.com>
Date: Sun, 7 Aug 2022 16:55:56 +1000
Subject: [PATCH] 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 44938f8c4..813c96c7f 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/WorldEdit.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/WorldEdit.java
@@ -555,7 +555,12 @@ private Direction getPlayerDirection(@Nullable Player player, String dirStr) thr
 
             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":