*Fix misdirection.

--HG--
branch : trunk

src/game/Spell.h

@@ -317,6 +317,7 @@ class Spell
         void EffectTriggerRitualOfSummoning(uint32 i);
         void EffectKillCredit(uint32 i);
         void EffectQuestFail(uint32 i);
+        void EffectRedirectThreat(uint32 i);
 
         Spell( Unit* Caster, SpellEntry const *info, bool triggered, uint64 originalCasterGUID = 0, Spell** triggeringContainer = NULL );
         ~Spell();

src/game/SpellAuras.cpp

@@ -1973,21 +1973,19 @@ void Aura::HandleAuraDummy(bool apply, bool Real)
             return;
         }
 
-        // Dark Fiend
-        if(GetId()==45934)
-        {
-            // Kill target if dispelled
-            if (m_removeMode==AURA_REMOVE_BY_DISPEL)
-                m_target->DealDamage(m_target, m_target->GetHealth(), NULL, DIRECT_DAMAGE, SPELL_SCHOOL_MASK_NORMAL, NULL, false);
-            return;
-        }
-
         // Burning Winds
         if(GetId()==46308)                                  // casted only at creatures at spawn
         {
             m_target->CastSpell(m_target,47287,true,NULL,this);
             return;
         }
+
+        // Misdirection
+        if(GetId()==34477)
+        {
+            m_target->SetReducedThreatPercent(0, 0);
+            return;
+        }
     }
 
     // AT APPLY & REMOVE

src/game/SpellEffects.cpp

@@ -191,7 +191,7 @@ pEffect SpellEffects[TOTAL_SPELL_EFFECTS]=
     &Spell::EffectProspecting,                              //127 SPELL_EFFECT_PROSPECTING              Prospecting spell
     &Spell::EffectApplyAreaAura,                            //128 SPELL_EFFECT_APPLY_AREA_AURA_FRIEND
     &Spell::EffectApplyAreaAura,                            //129 SPELL_EFFECT_APPLY_AREA_AURA_ENEMY
-    &Spell::EffectNULL,                                     //130 SPELL_EFFECT_REDIRECT_THREAT
+    &Spell::EffectRedirectThreat,                           //130 SPELL_EFFECT_REDIRECT_THREAT
     &Spell::EffectUnused,                                   //131 SPELL_EFFECT_131                      used in some test spells
     &Spell::EffectNULL,                                     //132 SPELL_EFFECT_PLAY_MUSIC               sound id in misc value
     &Spell::EffectUnlearnSpecialization,                    //133 SPELL_EFFECT_UNLEARN_SPECIALIZATION   unlearn profession specialization
@@ -6296,3 +6296,9 @@ void Spell::EffectQuestFail(uint32 i)
 
     ((Player*)unitTarget)->FailQuest(m_spellInfo->EffectMiscValue[i]);
 }
+
+void Spell::EffectRedirectThreat(uint32 /*i*/)
+{
+    if(unitTarget)
+        m_caster->SetReducedThreatPercent((uint32)damage, unitTarget->GetGUID());
+}

src/game/ThreatManager.cpp

@@ -357,6 +357,14 @@ void ThreatManager::addThreat(Unit* pVictim, float pThreat, SpellSchoolMask scho
 
     float threat = ThreatCalcHelper::calcThreat(pVictim, iOwner, pThreat, schoolMask, pThreatSpell);
 
+    if(pVictim->GetReducedThreatPercent())
+    {
+        float reducedThreat = threat * pVictim->GetReducedThreatPercent() / 100;
+        threat -= reducedThreat;
+        if(pVictim->GetMisdirectionTarget())
+            iThreatContainer.addThreat(pVictim->GetMisdirectionTarget(), reducedThreat);
+    }
+
     HostilReference* ref = iThreatContainer.addThreat(pVictim, threat);
     // Ref is not in the online refs, search the offline refs next
     if(!ref)

src/game/Unit.cpp

@@ -234,6 +234,8 @@ Unit::Unit()
     m_charmInfo = NULL;
     m_unit_movement_flags = 0;
     m_isPossessed = false;
+    m_reducedThreatPercent = 0;
+    m_misdirectionTargetGUID = 0;
 
     // remove aurastates allowing special moves
     for(int i=0; i < MAX_REACTIVE; ++i)

src/game/Unit.h

@@ -1393,6 +1393,13 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
 
         void SetToNotify();
         bool m_Notified, m_IsInNotifyList;
+        void SetReducedThreatPercent(uint32 pct, uint64 guid)
+        {
+            m_reducedThreatPercent = pct;
+            m_misdirectionTargetGUID = guid;
+        }
+        uint32 GetReducedThreatPercent() { return m_reducedThreatPercent; }
+        Unit *GetMisdirectionTarget() { return m_misdirectionTargetGUID ? GetUnit(*this, m_misdirectionTargetGUID) : NULL; }
     protected:
         explicit Unit ();
 
@@ -1470,5 +1477,8 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         FollowerRefManager m_FollowingRefManager;
 
         ComboPointHolderSet m_ComboPointHolders;
+
+        uint32 m_reducedThreatPercent;
+        uint64 m_misdirectionTargetGUID;
 };
 #endif