[11552] Implement aura SPELL_AURA_STOP_NATURAL_MANA_REGEN (294)

Also partly implement using it spell 62692.

FIXME: Some spells expected to be working for target under spell 62692 effect
       not working. This need additional research and fixes.

Signed-off-by: VladimirMangos <vladimir@getmangos.com>

src/game/Player.cpp

@@ -1399,7 +1399,7 @@ void Player::Update( uint32 update_diff, uint32 p_time )
     if (isAlive())
     {
         // if no longer casting, set regen power as soon as it is up.
-        if (!IsUnderLastManaUseEffect())
+        if (!IsUnderLastManaUseEffect() && !HasAuraType(SPELL_AURA_STOP_NATURAL_MANA_REGEN))
             SetFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_REGENERATE_POWER);
 
         if (!m_regenTimer)
@@ -2104,6 +2104,8 @@ void Player::Regenerate(Powers power, uint32 diff)
     {
         case POWER_MANA:
         {
+            if (HasAuraType(SPELL_AURA_STOP_NATURAL_MANA_REGEN))
+                break;
             bool recentCast = IsUnderLastManaUseEffect();
             float ManaIncreaseRate = sWorld.getConfig(CONFIG_FLOAT_RATE_POWER_MANA);
             if (recentCast)

src/game/SpellAuraDefines.h

@@ -329,7 +329,7 @@ enum AuraType
     SPELL_AURA_MOD_QUEST_XP_PCT = 291,
     SPELL_AURA_OPEN_STABLE = 292,
     SPELL_AURA_ADD_MECHANIC_ABILITIES = 293,
-    SPELL_AURA_294 = 294,
+    SPELL_AURA_STOP_NATURAL_MANA_REGEN = 294,
     SPELL_AURA_295 = 295,
     SPELL_AURA_296 = 296,
     SPELL_AURA_297 = 297,

src/game/SpellAuras.cpp

@@ -344,7 +344,7 @@ pAuraHandler AuraHandler[TOTAL_AURAS]=
     &Aura::HandleNoImmediateEffect,                         //291 SPELL_AURA_MOD_QUEST_XP_PCT           implemented in Player::GiveXP
     &Aura::HandleAuraOpenStable,                            //292 call stabled pet
     &Aura::HandleAuraAddMechanicAbilities,                  //293 SPELL_AURA_ADD_MECHANIC_ABILITIES  replaces target's action bars with a predefined spellset
-    &Aura::HandleNULL,                                      //294 2 spells, possible prevent mana regen
+    &Aura::HandleAuraStopNaturalManaRegen,                  //294 SPELL_AURA_STOP_NATURAL_MANA_REGEN implemented in Player:Regenerate
     &Aura::HandleUnused,                                    //295 unused (3.2.2a)
     &Aura::HandleNULL,                                      //296 2 spells
     &Aura::HandleNULL,                                      //297 1 spell (counter spell school?)
@@ -8295,6 +8295,14 @@ void Aura::HandleAuraModAllCritChance(bool apply, bool Real)
     ((Player*)target)->UpdateAllSpellCritChances();
 }
 
+void Aura::HandleAuraStopNaturalManaRegen(bool apply, bool real)
+{
+    if (!real)
+        return;
+
+    GetTarget()->ApplyModFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_REGENERATE_POWER, !apply && !GetTarget()->IsUnderLastManaUseEffect());
+}
+
 bool Aura::IsLastAuraOnHolder()
 {
     for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
@@ -8863,6 +8871,11 @@ void SpellAuraHolder::HandleSpellSpecificBoosts(bool apply)
                             caster->RemoveAurasDueToSpell(34027);
                     return;
                 }
+                case 62692:                                 // Aura of Despair
+                {
+                    spellId1 = 64848;
+                    break;
+                }
                 case 71905:                                 // Soul Fragment
                 {
                     if (!apply)

src/game/SpellAuras.h

@@ -370,6 +370,7 @@ class MANGOS_DLL_SPEC Aura
         void HandleAuraModAllCritChance(bool Apply, bool Real);
         void HandleAuraOpenStable(bool apply, bool Real);
         void HandleAuraAddMechanicAbilities(bool apply, bool Real);
+        void HandleAuraStopNaturalManaRegen(bool apply, bool real);
 
         virtual ~Aura();
 

src/game/SpellMgr.cpp

@@ -1898,6 +1898,11 @@ bool SpellMgr::IsNoStackSpellDueToSpell(uint32 spellId_1, uint32 spellId_2) cons
                         (spellInfo_2->Id == 8326 && spellInfo_1->Id == 20584))
                          return false;
 
+                    // Aura of Despair auras
+                    if ((spellInfo_1->Id == 64848 && spellInfo_2->Id == 62692) ||
+                        (spellInfo_2->Id == 64848 && spellInfo_1->Id == 62692))
+                        return false;
+
                     // Blood Fury and Rage of the Unraveller
                     if (spellInfo_1->SpellIconID == 1662 && spellInfo_2->SpellIconID == 1662)
                         return false;

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "11551"
+ #define REVISION_NR "11552"
 #endif // __REVISION_NR_H__