Core/Spells: move Cannibalize and Carrion Feeder cast checks to SpellScripts.

src/server/game/Entities/Unit/Unit.cpp

@@ -16180,6 +16180,26 @@ bool Unit::IsInRaidWith(Unit const* unit) const
         return false;
 }
 
+bool Unit::IsTargetMatchingCheck(Unit const* target, SpellTargetSelectionCheckTypes check) const
+{
+    switch (check)
+    {
+        case TARGET_SELECT_CHECK_ENEMY:
+            if (IsControlledByPlayer())
+                return !IsFriendlyTo(target);
+            else
+                return IsHostileTo(target);
+        case TARGET_SELECT_CHECK_ALLY:
+            return IsFriendlyTo(target);
+        case TARGET_SELECT_CHECK_PARTY:
+            return IsInPartyWith(target);
+        case TARGET_SELECT_CHECK_RAID:
+            return IsInRaidWith(target);
+        default:
+            return true;
+    }
+}
+
 void Unit::GetRaidMember(std::list<Unit*> &nearMembers, float radius)
 {
     Player* owner = GetCharmerOrOwnerPlayerOrPlayerItself();

src/server/game/Entities/Unit/Unit.h

@@ -32,6 +32,7 @@
 #include "EventProcessor.h"
 #include "MotionMaster.h"
 #include "DBCStructure.h"
+#include "SpellInfo.h"
 #include "Path.h"
 #include "WorldPacket.h"
 #include "Timer.h"
@@ -1391,6 +1392,7 @@ class Unit : public WorldObject
         bool IsNeutralToAll() const;
         bool IsInPartyWith(Unit const* unit) const;
         bool IsInRaidWith(Unit const* unit) const;
+        bool IsTargetMatchingCheck(Unit const* target, SpellTargetSelectionCheckTypes check) const;
         void GetPartyMemberInDist(std::list<Unit*> &units, float dist);
         void GetPartyMembers(std::list<Unit*> &units);
         void GetRaidMember(std::list<Unit*> &units, float dist);