*Implement spell aura 177.

--HG--
branch : trunk

src/game/Level3.cpp

@@ -7472,9 +7472,7 @@ bool ChatHandler::HandleUnPossessCommand(const char* args)
     Unit* pUnit = getSelectedUnit();
     if(!pUnit) pUnit = m_session->GetPlayer();
 
-    pUnit->RemoveAurasByType(SPELL_AURA_MOD_CHARM);
-    pUnit->RemoveAurasByType(SPELL_AURA_MOD_POSSESS_PET);
-    pUnit->RemoveAurasByType(SPELL_AURA_MOD_POSSESS);
+    pUnit->RemoveCharmAuras();
 
     return true;
 }

src/game/Player.cpp

@@ -16729,11 +16729,7 @@ void Player::StopCastingCharm()
             ExitVehicle();
     }
     if(GetCharmGUID())
-    {
-        charm->RemoveAurasByType(SPELL_AURA_MOD_CHARM);
-        charm->RemoveAurasByType(SPELL_AURA_MOD_POSSESS_PET);
-        charm->RemoveAurasByType(SPELL_AURA_MOD_POSSESS);
-    }
+        charm->RemoveCharmAuras();
 
     if(GetCharmGUID())
     {

src/game/SpellAuras.cpp

@@ -229,7 +229,7 @@ pAuraHandler AuraHandler[TOTAL_AURAS]=
     &AuraEffect::HandleModSpellDamagePercentFromStat,             //174 SPELL_AURA_MOD_SPELL_DAMAGE_OF_STAT_PERCENT  implemented in Unit::SpellBaseDamageBonus
     &AuraEffect::HandleModSpellHealingPercentFromStat,            //175 SPELL_AURA_MOD_SPELL_HEALING_OF_STAT_PERCENT implemented in Unit::SpellBaseHealingBonus
     &AuraEffect::HandleSpiritOfRedemption,                        //176 SPELL_AURA_SPIRIT_OF_REDEMPTION   only for Spirit of Redemption spell, die at aura end
-    &AuraEffect::HandleNULL,                                      //177 SPELL_AURA_AOE_CHARM
+    &AuraEffect::HandleCharmConvert,                              //177 SPELL_AURA_AOE_CHARM
     &AuraEffect::HandleNoImmediateEffect,                         //178 SPELL_AURA_MOD_DEBUFF_RESISTANCE          implemented in Unit::MagicSpellHitResult
     &AuraEffect::HandleNoImmediateEffect,                         //179 SPELL_AURA_MOD_ATTACKER_SPELL_CRIT_CHANCE implemented in Unit::SpellCriticalBonus
     &AuraEffect::HandleNoImmediateEffect,                         //180 SPELL_AURA_MOD_FLAT_SPELL_DAMAGE_VERSUS   implemented in Unit::SpellDamageBonus
@@ -1794,19 +1794,16 @@ void AuraEffect::TriggerSpell()
 //                    case 27747: break;
                     // Frost Blast
                     case 27808:
-                        caster->CastCustomSpell(29879, SPELLVALUE_BASE_POINT0, target->GetMaxHealth()*0.26f, m_target, true, NULL, this);
+                        caster->CastCustomSpell(29879, SPELLVALUE_BASE_POINT0, (float)m_target->GetMaxHealth()*0.26f, m_target, true, NULL, this);
                         return;
                     // Detonate Mana
                     case 27819:
-                    {
-                        int32 mana = (uint32)m_target->GetMaxPower(POWER_MANA)*0.25f;
-                        if(mana)
+                        if(int32 mana = (int32)(m_target->GetMaxPower(POWER_MANA) / 4))
                         {
                             mana = m_target->ModifyPower(POWER_MANA, -mana);
                             m_target->CastCustomSpell(27820, SPELLVALUE_BASE_POINT0, -mana*4, NULL, true, NULL, this, caster->GetGUID());
                         }
                         return;
-                    }                      
 //                    // Controller Timer
 //                    case 28095: break;
 //                    // Stalagg Chain
@@ -7067,7 +7064,7 @@ void AuraEffect::HandleModCharm(bool apply, bool Real, bool /*changeAmount*/)
 
     if(apply)
     {
-        if(int32(m_target->getLevel()) > m_amount)
+        if(m_amount && int32(m_target->getLevel()) > m_amount)
             return;
 
         m_target->SetCharmedBy(caster, CHARM_TYPE_CHARM);
@@ -7076,6 +7073,24 @@ void AuraEffect::HandleModCharm(bool apply, bool Real, bool /*changeAmount*/)
         m_target->RemoveCharmedBy(caster);
 }
 
+void AuraEffect::HandleCharmConvert(bool apply, bool Real, bool /*changeAmount*/)
+{
+    if(!Real)
+        return;
+
+    Unit* caster = GetCaster();
+
+    if(apply)
+    {
+        if(m_amount && int32(m_target->getLevel()) > m_amount)
+            return;
+
+        m_target->SetCharmedBy(caster, CHARM_TYPE_CONVERT);
+    }
+    else
+        m_target->RemoveCharmedBy(caster);
+}
+
 void AuraEffect::HandlePhase(bool apply, bool Real, bool /*changeAmount*/)
 {
     if(!Real)

src/game/SpellAuras.h

@@ -330,6 +330,7 @@ class TRINITY_DLL_SPEC AuraEffect
         void HandleNoReagentUseAura(bool Apply, bool Real, bool changeAmount);
         void HandlePhase(bool Apply, bool Real, bool changeAmount);
         void HandleAuraAllowOnlyAbility(bool apply, bool Real, bool changeAmount);
+        void HandleCharmConvert(bool apply, bool Real, bool changeAmount);
 
         // add/remove SPELL_AURA_MOD_SHAPESHIFT (36) linked auras
         void HandleShapeshiftBoosts(bool apply);

src/game/SpellMgr.cpp

@@ -477,6 +477,7 @@ SpellSpecific GetSpellSpecific(uint32 spellId)
                 case SPELL_AURA_MOD_CHARM:
                 case SPELL_AURA_MOD_POSSESS_PET:
                 case SPELL_AURA_MOD_POSSESS:
+                case SPELL_AURA_AOE_CHARM:
                     return SPELL_CHARM;
                 case SPELL_AURA_TRACK_CREATURES:
                 case SPELL_AURA_TRACK_RESOURCES:
@@ -3310,6 +3311,7 @@ void SpellMgr::LoadSpellCustomAttr()
                 case SPELL_AURA_MOD_POSSESS:
                 case SPELL_AURA_MOD_CONFUSE:
                 case SPELL_AURA_MOD_CHARM:
+                case SPELL_AURA_AOE_CHARM:
                 case SPELL_AURA_MOD_FEAR:
                 case SPELL_AURA_MOD_STUN:
                     mSpellCustomAttr[i] |= SPELL_ATTR_CU_AURA_CC;

src/game/Unit.cpp

@@ -8711,6 +8711,7 @@ void Unit::RemoveCharmAuras()
     RemoveAurasByType(SPELL_AURA_MOD_CHARM);
     RemoveAurasByType(SPELL_AURA_MOD_POSSESS_PET);
     RemoveAurasByType(SPELL_AURA_MOD_POSSESS);
+    RemoveAurasByType(SPELL_AURA_AOE_CHARM);
 }
 
 void Unit::UnsummonAllTotems()
@@ -13673,6 +13674,7 @@ void Unit::SetCharmedBy(Unit* charmer, CharmType type)
                 ((Player*)charmer)->CharmSpellInitialize();
                 break;
             default:
+            case CHARM_TYPE_CONVERT:
                 break;
         }
     }      
@@ -13762,6 +13764,7 @@ void Unit::RemoveCharmedBy(Unit *charmer)
                 }
                 break;
             default:
+            case CHARM_TYPE_CONVERT:
                 break;
         }
     }

src/game/Unit.h

@@ -890,6 +890,7 @@ enum CharmType
     CHARM_TYPE_CHARM,
     CHARM_TYPE_POSSESS,
     CHARM_TYPE_VEHICLE,
+    CHARM_TYPE_CONVERT,
 };
 
 enum ActionBarIndex