Core/Spells: merged some spell focussing and unit state changes

src/server/game/Spells/Spell.cpp

@@ -3107,7 +3107,7 @@ void Spell::prepare(SpellCastTargets const* targets, AuraEffect const* triggered
     // focus if not controlled creature
     if (m_caster->GetTypeId() == TYPEID_UNIT && !m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED))
     {
-        if (!(m_spellInfo->IsNextMeleeSwingSpell() || IsAutoRepeat() || (_triggeredCastFlags & TRIGGERED_IGNORE_SET_FACING)))
+        if (!(m_spellInfo->IsNextMeleeSwingSpell() || IsAutoRepeat()))
         {
             if (m_targets.GetObjectTarget() && m_caster != m_targets.GetObjectTarget())
                 m_caster->ToCreature()->FocusTarget(this, m_targets.GetObjectTarget());
@@ -7079,6 +7079,11 @@ bool Spell::IsIgnoringCooldowns() const
     return (_triggeredCastFlags & TRIGGERED_IGNORE_SPELL_AND_CATEGORY_CD) != 0;
 }
 
+bool Spell::IsFocusDisabled() const
+{
+    return ((_triggeredCastFlags & TRIGGERED_IGNORE_SET_FACING) || (m_spellInfo->IsChanneled() && !m_spellInfo->HasAttribute(SPELL_ATTR1_CHANNEL_TRACK_TARGET)));
+}
+
 bool Spell::IsProcDisabled() const
 {
     return (_triggeredCastFlags & TRIGGERED_DISALLOW_PROC_EVENTS) != 0;