From 4ce3515c60fc817431658d841dd953cd465715f5 Mon Sep 17 00:00:00 2001
From: avarishd <46330494+avarishd@users.noreply.github.com>
Date: Mon, 9 May 2022 00:19:39 +0300
Subject: [PATCH] fix(Core/Spells): Allow spells with
 SPELL_ATTR0_CU_REQ_CASTER_BEHIND_TARGET attribute to go through deterrence.
 (#11644)

* Update settings.json

* Revert "Update settings.json"

This reverts commit 1f6724477db4cff361c800b858d3bc1a6d11d6bb.

* detter
---
 src/server/game/Entities/Unit/Unit.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index caa796d62..5dfc382bf 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -2946,7 +2946,7 @@ SpellMissInfo Unit::MeleeSpellHitResult(Unit* victim, SpellInfo const* spellInfo
 
     // Check for attack from behind
     // xinef: if from behind or spell requires cast from behind
-    if (!victim->HasInArc(M_PI, this) || spellInfo->HasAttribute(SPELL_ATTR0_CU_REQ_CASTER_BEHIND_TARGET))
+    if (!victim->HasInArc(M_PI, this))
     {
         if (!victim->HasAuraType(SPELL_AURA_IGNORE_HIT_DIRECTION))
         {
@@ -2957,6 +2957,11 @@ SpellMissInfo Unit::MeleeSpellHitResult(Unit* victim, SpellInfo const* spellInfo
             canParry = false;
             canBlock = false;
         }
+        else // Only deterrence as of 3.3.5
+        {
+            if (spellInfo->HasAttribute(SPELL_ATTR0_CU_REQ_CASTER_BEHIND_TARGET))
+                canParry = false;
+        }
     }
 
     // Check creatures flags_extra for disable parry