Correct behavior of Add Extra Attact spelleffect.

Correctly send attack gain in spell log.
Attack right after processing effect
Ignore effect if target not in melee range/angle

--HG--
branch : trunk

src/game/Spell.cpp

@@ -2728,6 +2728,10 @@ void Spell::finish(bool ok)
     if (m_caster->GetTypeId() == TYPEID_PLAYER)
         ((Player*)m_caster)->RemoveSpellMods(this);
 
+    // Okay to remove extra attacks
+    if(IsSpellHaveEffect(m_spellInfo, SPELL_EFFECT_ADD_EXTRA_ATTACKS))
+        m_caster->m_extraAttacks = 0;
+
     // Heal caster for all health leech from all targets
     if (m_healthLeech)
     {
@@ -2989,7 +2993,7 @@ void Spell::SendLogExecute()
                         data.append(unit->GetPackGUID());
                     else
                         data << uint8(0);
-                    data << uint32(0);                      // count?
+                    data << uint32(m_caster->m_extraAttacks); 
                     break;
                 case SPELL_EFFECT_INTERRUPT_CAST:
                     if(Unit *unit = m_targets.getUnitTarget())

src/game/SpellEffects.cpp

@@ -5441,7 +5441,20 @@ void Spell::EffectAddExtraAttacks(uint32 /*i*/)
     if( unitTarget->m_extraAttacks )
         return;
 
+    Unit *victim = unitTarget->getVictim();
+
+    // attack prevented
+    // fixme, some attacks may not target current victim, this is right now not handled
+    if (!victim || !unitTarget->IsWithinMeleeRange(victim) || !unitTarget->HasInArc( 2*M_PI/3, victim ))
+        return;
+
+    // Only for proc/log informations
     unitTarget->m_extraAttacks = damage;
+    // Need to send log before attack is made
+    SendLogExecute();
+    m_needSpellLog = false;
+
+    unitTarget->AttackerStateUpdate(victim, BASE_ATTACK, true);
 }
 
 void Spell::EffectParry(uint32 /*i*/)

src/game/Unit.cpp

@@ -2378,24 +2378,10 @@ void Unit::AttackerStateUpdate (Unit *pVictim, WeaponAttackType attType, bool ex
     else
         return;                                             // ignore ranged case
 
-    uint32 extraAttacks = m_extraAttacks;
-
     // melee attack spell casted at main hand attack only
     if (attType == BASE_ATTACK && m_currentSpells[CURRENT_MELEE_SPELL])
     {
         m_currentSpells[CURRENT_MELEE_SPELL]->cast();
-
-        // not recent extra attack only at any non extra attack (melee spell case)
-        if(!extra && extraAttacks)
-        {
-            while(m_extraAttacks)
-            {
-                AttackerStateUpdate(pVictim, BASE_ATTACK, true);
-                if(m_extraAttacks > 0)
-                    --m_extraAttacks;
-            }
-        }
-
         return;
     }
 
@@ -2413,16 +2399,6 @@ void Unit::AttackerStateUpdate (Unit *pVictim, WeaponAttackType attType, bool ex
         DEBUG_LOG("AttackerStateUpdate: (NPC)    %u attacked %u (TypeId: %u) for %u dmg, absorbed %u, blocked %u, resisted %u.",
             GetGUIDLow(), pVictim->GetGUIDLow(), pVictim->GetTypeId(), damageInfo.damage, damageInfo.absorb, damageInfo.blocked_amount, damageInfo.resist);
 
-    // extra attack only at any non extra attack (normal case)
-    if(!extra && extraAttacks)
-    {
-        while(m_extraAttacks)
-        {
-            AttackerStateUpdate(pVictim, BASE_ATTACK, true);
-            if(m_extraAttacks > 0)
-                --m_extraAttacks;
-        }
-    }
 }
 
 /*