[12049] Let PossessedSummons despawn on Channeled-Aura interrupt

Maybe this mechanic should also be used for normal possessed mobs, but then their special handling must be removed
Also not entirely sure if this a great place for this code to be - but I didn't catch a better suiting one

src/game/Spell.cpp

@@ -4358,8 +4358,38 @@ void Spell::SendInterrupted(uint8 result)
 
 void Spell::SendChannelUpdate(uint32 time)
 {
-    if(time == 0)
+    if (time == 0)
     {
+            // Reset farsight for some possessing auras of possessed summoned (as they might work with different aura types)
+            if (m_spellInfo->HasAttribute(SPELL_ATTR_EX_FARSIGHT) && m_caster->GetTypeId() == TYPEID_PLAYER && m_caster->GetCharmGuid()
+               && !IsSpellHaveAura(m_spellInfo, SPELL_AURA_MOD_POSSESS) && !IsSpellHaveAura(m_spellInfo, SPELL_AURA_MOD_POSSESS_PET))
+            {
+                Player* player = (Player*)m_caster;
+                // These Auras are applied to self, so get the possessed first
+                Unit* possessed = player->GetCharm();
+
+                player->SetCharm(NULL);
+                if (possessed)
+                    player->SetClientControl(possessed, 0);
+                player->SetMover(NULL);
+                player->GetCamera().ResetView();
+                player->RemovePetActionBar();
+
+                if (possessed)
+                {
+                    possessed->clearUnitState(UNIT_STAT_CONTROLLED);
+                    possessed->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED);
+                    possessed->SetCharmerGuid(ObjectGuid());
+                    // TODO - Requires more specials for target?
+
+                    // Some possessed might want to despawn?
+                    if (possessed->GetUInt32Value(UNIT_CREATED_BY_SPELL) == m_spellInfo->Id && possessed->GetTypeId() == TYPEID_UNIT)
+                        ((Creature*)possessed)->ForcedDespawn();
+                }
+            }
+
+
+
         m_caster->RemoveAurasByCasterSpell(m_spellInfo->Id, m_caster->GetObjectGuid());
 
         ObjectGuid target_guid = m_caster->GetChannelObjectGuid();

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "12048"
+ #define REVISION_NR "12049"
 #endif // __REVISION_NR_H__