From bdb42b284851cd8811985a18c2a97d48d8c5df45 Mon Sep 17 00:00:00 2001
From: Celtic Minstrel <celtic.minstrel.ca@some.place>
Date: Tue, 20 Jun 2017 00:11:06 -0400
Subject: [PATCH] Use WFL to implement backstab, to avoid needing delayed
 variable substitution

---
 data/core/macros/abilities.cfg | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/data/core/macros/abilities.cfg b/data/core/macros/abilities.cfg
index c7cbd2d1f138..53afc5d6952a 100644
--- a/data/core/macros/abilities.cfg
+++ b/data/core/macros/abilities.cfg
@@ -352,13 +352,11 @@ Enemy units cannot see this unit while it is in deep water, except if they have
         multiply=2
         active_on=offense
         [filter_opponent]
-            [filter_adjacent]
-                adjacent=$other_unit.facing
-                is_enemy=yes
-                [not]
-                    status=petrified
-                [/not]
-            [/filter_adjacent]
+            formula="
+                enemy_of(self, flanker) and not flanker.petrified
+            where
+                flanker = unit_at(direction_from(loc, other.facing))
+            "
         [/filter_opponent]
     [/damage]
 #enddef