Add support for Maelstrom Weapon to prevent melee attack interruption when affecting spells

--HG--
branch : trunk

src/game/Spell.cpp

@@ -3368,6 +3368,18 @@ void Spell::finish(bool ok)
         m_caster->DealHeal(m_caster, uint32(m_healthLeech), m_spellInfo);
 
     if (IsMeleeAttackResetSpell())
+    {
+        bool found = false;
+        Unit::AuraEffectList const& vIgnoreReset = m_caster->GetAuraEffectsByType(SPELL_AURA_IGNORE_MELEE_RESET);
+        for (Unit::AuraEffectList::const_iterator i = vIgnoreReset.begin(); i != vIgnoreReset.end(); ++i)
+        {
+            if ((*i)->IsAffectedOnSpell(m_spellInfo))
+            {
+                found = true;
+                break;
+            }
+        }
+        if (!found)
         {
             m_caster->resetAttackTimer(BASE_ATTACK);
             if(m_caster->haveOffhandWeapon())
@@ -3375,6 +3387,7 @@ void Spell::finish(bool ok)
             if(!(m_spellInfo->AttributesEx2 & SPELL_ATTR_EX2_NOT_RESET_AUTOSHOT))
                 m_caster->resetAttackTimer(RANGED_ATTACK);
         }
+    }
 
     // potions disabled by client, send event "not in combat" if need
     if (m_caster->GetTypeId() == TYPEID_PLAYER)

src/game/SpellAuraDefines.h

@@ -316,7 +316,7 @@ enum AuraType
     SPELL_AURA_MOD_IGNORE_TARGET_RESIST = 269,
     SPELL_AURA_MOD_ABILITY_IGNORE_TARGET_RESIST = 270,      // Possibly need swap vs 195 aura used only in 1 spell Chaos Bolt Passive
     SPELL_AURA_MOD_DAMAGE_FROM_CASTER = 271,
-    SPELL_AURA_272 = 272,
+    SPELL_AURA_IGNORE_MELEE_RESET = 272,
     SPELL_AURA_X_RAY = 273,
     SPELL_AURA_ABILITY_CONSUME_NO_AMMO = 274,
     SPELL_AURA_MOD_IGNORE_SHAPESHIFT = 275,

src/game/SpellAuraEffects.cpp

@@ -328,7 +328,7 @@ pAuraEffectHandler AuraEffectHandler[TOTAL_AURAS]=
     &AuraEffect::HandleNoImmediateEffect,                         //269 SPELL_AURA_MOD_IGNORE_TARGET_RESIST implemented in Unit::CalcAbsorbResist and CalcArmorReducedDamage
     &AuraEffect::HandleNoImmediateEffect,                         //270 SPELL_AURA_MOD_ABILITY_IGNORE_TARGET_RESIST implemented in Unit::CalcAbsorbResist and CalcArmorReducedDamage
     &AuraEffect::HandleNoImmediateEffect,                         //271 SPELL_AURA_MOD_DAMAGE_FROM_CASTER    implemented in Unit::SpellDamageBonus
-    &AuraEffect::HandleUnused,                                    //272 unknown use for this aura
+    &AuraEffect::HandleNoImmediateEffect,                         //272 SPELL_AURA_IGNORE_MELEE_RESET
     &AuraEffect::HandleUnused,                                    //273 clientside
     &AuraEffect::HandleNoImmediateEffect,                         //274 SPELL_AURA_CONSUME_NO_AMMO implemented in spell::CalculateDamageDoneForAllTargets
     &AuraEffect::HandleNoImmediateEffect,                         //275 SPELL_AURA_MOD_IGNORE_SHAPESHIFT Use SpellClassMask for spell select