Core/Refer-a-Friend: Finish base work for Refer-a-Friend.

Any testing would be very much appreciated.

src/server/game/Spells/Spell.cpp

@@ -711,6 +711,7 @@ void Spell::SelectSpellTargets()
                     else if (m_spellInfo->Effects[i].Effect == SPELL_EFFECT_TRIGGER_SPELL)
                         AddUnitTarget(m_caster, i);
                     break;
+                case SPELL_EFFECT_SUMMON_RAF_FRIEND:
                 case SPELL_EFFECT_SUMMON_PLAYER:
                     if (m_caster->GetTypeId() == TYPEID_PLAYER && m_caster->ToPlayer()->GetSelection())
                     {
@@ -5276,7 +5277,7 @@ SpellCastResult Spell::CheckCast(bool strict)
                     return SPELL_FAILED_BAD_TARGETS;
 
                 Player* target = ObjectAccessor::FindPlayer(m_caster->ToPlayer()->GetSelection());
-                if (!target || m_caster->ToPlayer() == target || !target->IsInSameRaidWith(m_caster->ToPlayer()))
+                if (!target || m_caster->ToPlayer() == target || (!target->IsInSameRaidWith(m_caster->ToPlayer()) && m_spellInfo->Id != 48955)) // refer-a-friend spell
                     return SPELL_FAILED_BAD_TARGETS;
 
                 // check if our map is dungeon
@@ -5298,6 +5299,25 @@ SpellCastResult Spell::CheckCast(bool strict)
                 }
                 break;
             }
+            // RETURN HERE
+            case SPELL_EFFECT_SUMMON_RAF_FRIEND:
+            {
+                if(m_caster->GetTypeId() != TYPEID_PLAYER)
+                    return SPELL_FAILED_BAD_TARGETS;
+
+                Player* playerCaster = m_caster->ToPlayer();
+                    // 
+                if(!(playerCaster->GetSelection()))
+                    return SPELL_FAILED_BAD_TARGETS;
+
+                Player* target = ObjectAccessor::FindPlayer(playerCaster->GetSelection());
+
+                if (!target ||
+                    !(target->GetSession()->GetRecruiterId() == playerCaster->GetSession()->GetAccountId() || target->GetSession()->GetAccountId() == playerCaster->GetSession()->GetRecruiterId()))
+                    return SPELL_FAILED_BAD_TARGETS;
+
+                break;
+            }
             case SPELL_EFFECT_LEAP:
             case SPELL_EFFECT_TELEPORT_UNITS_FACE_CASTER:
             {
@@ -6558,6 +6578,7 @@ bool Spell::CheckTarget(Unit* target, uint32 eff)
     //Check targets for LOS visibility (except spells without range limitations)
     switch(m_spellInfo->Effects[eff].Effect)
     {
+        case SPELL_EFFECT_SUMMON_RAF_FRIEND:
         case SPELL_EFFECT_SUMMON_PLAYER:                    // from anywhere
             break;
         case SPELL_EFFECT_DUMMY:

src/server/game/Spells/Spell.h

@@ -356,6 +356,7 @@ class Spell
         void EffectEnergizePct(SpellEffIndex effIndex);
         void EffectTriggerSpellWithValue(SpellEffIndex effIndex);
         void EffectTriggerRitualOfSummoning(SpellEffIndex effIndex);
+        void EffectSummonRaFFriend(SpellEffIndex effIndex);
         void EffectKillCreditPersonal(SpellEffIndex effIndex);
         void EffectKillCredit(SpellEffIndex effIndex);
         void EffectQuestFail(SpellEffIndex effIndex);

src/server/game/Spells/SpellEffects.cpp

@@ -216,7 +216,7 @@ pEffect SpellEffects[TOTAL_SPELL_EFFECTS]=
     &Spell::EffectChargeDest,                               //149 SPELL_EFFECT_CHARGE_DEST
     &Spell::EffectQuestStart,                               //150 SPELL_EFFECT_QUEST_START
     &Spell::EffectTriggerRitualOfSummoning,                 //151 SPELL_EFFECT_TRIGGER_SPELL_2
-    &Spell::EffectNULL,                                     //152 SPELL_EFFECT_152                      summon Refer-a-Friend
+    &Spell::EffectSummonRaFFriend,                          //152 SPELL_EFFECT_SUMMON_RAF_FRIEND        summon Refer-a-Friend
     &Spell::EffectCreateTamedPet,                           //153 SPELL_EFFECT_CREATE_TAMED_PET         misc value is creature entry
     &Spell::EffectDiscoverTaxi,                             //154 SPELL_EFFECT_DISCOVER_TAXI
     &Spell::EffectTitanGrip,                                //155 SPELL_EFFECT_TITAN_GRIP Allows you to equip two-handed axes, maces and swords in one hand, but you attack $49152s1% slower than normal.
@@ -7074,3 +7074,15 @@ void Spell::EffectBind(SpellEffIndex effIndex)
     data << uint32(area_id);
     player->SendDirectMessage(&data);
 }
+
+void Spell::EffectSummonRaFFriend(SpellEffIndex effIndex) {
+
+    if (m_caster->GetTypeId() != TYPEID_PLAYER)
+        return;
+    Player *player = m_caster->ToPlayer();
+
+    if (!unitTarget || unitTarget->GetTypeId() != TYPEID_PLAYER)
+        return;
+
+    m_caster->CastSpell(m_caster, m_spellInfo->Effects[effIndex].TriggerSpell, true);
+}