Scripts/Icecrown Citadel: Added Lady Deathwhisper script, huge thanks to wowgargamel for script parts, timers and sniffs

Core/Scripts: Added GetPhaseMask() method to EventMap

--HG--
branch : trunk

src/server/game/AI/CreatureAIImpl.h

@@ -325,6 +325,8 @@ class EventMap : private std::map<uint32, uint32>
 
         void Update(uint32 time) { m_time += time; }
 
+        uint32 GetPhaseMask() const { return (m_phase >> 24) & 0xFF; }
+
         void SetPhase(uint32 phase)
         {
             if (phase && phase < 9)

src/server/game/Scripting/ScriptLoader.cpp

@@ -418,6 +418,7 @@ void AddSC_halls_of_reflection();
 void AddSC_boss_falric();
 void AddSC_boss_marwyn();
 void AddSC_boss_lord_marrowgar();       // Icecrown Citadel
+void AddSC_boss_lady_deathwhisper();
 void AddSC_instance_icecrown_citadel();
 
 void AddSC_dalaran();
@@ -1082,6 +1083,7 @@ void AddNorthrendScripts()
     AddSC_boss_falric();
     AddSC_boss_marwyn();
     AddSC_boss_lord_marrowgar();        // Icecrown Citadel
+    AddSC_boss_lady_deathwhisper();
     AddSC_instance_icecrown_citadel();
 
     AddSC_dalaran();

src/server/game/Spells/Auras/SpellAuraEffects.cpp

@@ -2224,6 +2224,14 @@ void AuraEffect::TriggerSpell(Unit * target, Unit * caster) const
                     case 39857: triggerSpellId = 39856; break;
                     // Personalized Weather
                     case 46736: triggerSpellId = 46737; break;
+                    // Mana Barrier - Lady Deathwhisper
+                    case 70842:
+                    {
+                        int32 missingHealth = caster->GetMaxHealth() - caster->GetHealth();
+                        caster->ModifyHealth(missingHealth);
+                        caster->ModifyPower(POWER_MANA, -missingHealth);
+                        return;
+                    }
                 }
                 break;
             }