[Core, Creature] Implement Creature/Pet Interrupts

src/server/game/AI/CoreAI/CombatAI.cpp

@@ -110,6 +110,10 @@ void CombatAI::UpdateAI(const uint32 diff)
     else
         DoMeleeAttackIfReady();
 }
+void CombatAI::SpellInterrupted(uint32 spellId, uint32 unTimeMs) 
+{
+    events.RescheduleEvent(spellId, msTime);
+}
 
 /////////////////
 //CasterAI

src/server/game/AI/CoreAI/CombatAI.h

@@ -46,6 +46,7 @@ class CombatAI : public CreatureAI
         void EnterCombat(Unit* who);
         void JustDied(Unit* killer);
         void UpdateAI(const uint32 diff);
+        void SpellInterrupted(uint32 spellId, uint32 unTimeMs);
         static int Permissible(const Creature*);
     protected:
         EventMap events;

src/server/game/AI/CoreAI/UnitAI.h

@@ -241,6 +241,10 @@ class UnitAI
 
         // Called when the unit heals
         virtual void HealDone(Unit* /*done_to*/, uint32& /*addhealth*/) {}
+        
+        // Called when a spell is interrupted by Spell::EffectInterruptCast
+        // Use to reschedule next planned cast of spell.
+        virtual void SpellInterrupted(uint32 /*spellId*/, uint32 /*unTimeMs*/) {}
 
         void AttackStartCaster(Unit* victim, float dist);
 

src/server/game/AI/EventAI/CreatureEventAI.cpp

@@ -1308,7 +1308,7 @@ bool CreatureEventAI::CanCast(Unit* target, SpellInfo const* spell, bool trigger
     //Silenced so we can't cast
     if (!triggered && me->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SILENCED))
         return false;
-
+    
     //Check for power
     if (!triggered && me->GetPower((Powers)spell->PowerType) < spell->CalcPowerCost(me, spell->GetSchoolMask()))
         return false;
@@ -1316,6 +1316,10 @@ bool CreatureEventAI::CanCast(Unit* target, SpellInfo const* spell, bool trigger
     //Unit is out of range of this spell
     if (!me->IsInRange(target, spell->GetMinRange(false), spell->GetMaxRange(false)))
         return false;
+    
+    //Spell is on cooldown
+    if (me->HasSpellCooldown(spell->Id))
+        return false;
 
     return true;
 }

src/server/game/Entities/Creature/Creature.cpp

@@ -2231,6 +2231,39 @@ bool Creature::HasSpellCooldown(uint32 spell_id) const
     return (itr != m_CreatureSpellCooldowns.end() && itr->second > time(NULL)) || HasCategoryCooldown(spell_id);
 }
 
+void Creature::ProhibitSpellSchool(SpellSchoolMask idSchoolMask, uint32 unTimeMs) 
+{
+    time_t curTime = time(NULL);
+    for (uint8 i = 0; i < CREATURE_MAX_SPELLS; ++i)
+    {
+        if (m_spells[i] == 0)
+            continue;
+        
+        uint32 unSpellId = m_spells[i];
+        SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(unSpellId);
+        if (!spellInfo)
+        {
+            ASSERT(spellInfo);
+            continue;
+        }
+
+        // Not send cooldown for this spells
+        if (spellInfo->Attributes & SPELL_ATTR0_DISABLED_WHILE_ACTIVE)
+            continue;
+
+        if (spellInfo->PreventionType != SPELL_PREVENTION_TYPE_SILENCE)
+            continue;
+
+        if ((idSchoolMask & spellInfo->GetSchoolMask()) && GetCreatureSpellCooldownDelay(unSpellId) < unTimeMs)
+        {
+            _AddCreatureSpellCooldown(unSpellId, curTime + unTimeMs/IN_MILLISECONDS);
+            if(UnitAI *ai = GetAI()) 
+                ai->SpellInterrupted(unSpellId, unTimeMs);
+        }
+        
+    }
+}
+
 bool Creature::HasSpell(uint32 spellID) const
 {
     uint8 i;

src/server/game/Entities/Creature/Creature.h

@@ -540,6 +540,13 @@ class Creature : public Unit, public GridObject<Creature>, public MapCreature
         void AddCreatureSpellCooldown(uint32 spellid);
         bool HasSpellCooldown(uint32 spell_id) const;
         bool HasCategoryCooldown(uint32 spell_id) const;
+        uint32 GetCreatureSpellCooldownDelay(uint32 spell_id) const
+        {
+            CreatureSpellCooldowns::const_iterator itr = m_CreatureSpellCooldowns.find(spell_id);
+            time_t t = time(NULL);
+            return uint32(itr != m_CreatureSpellCooldowns.end() && itr->second > t ? itr->second - t : 0);
+        }
+        virtual void ProhibitSpellSchool(SpellSchoolMask, uint32);
 
         bool HasSpell(uint32 spellID) const;
 

src/server/game/Entities/Pet/Pet.cpp

@@ -2033,3 +2033,40 @@ void Pet::SynchronizeLevelWithOwner()
             break;
     }
 }
+
+void Pet::ProhibitSpellSchool(SpellSchoolMask idSchoolMask, uint32 unTimeMs) 
+{
+    WorldPacket data(SMSG_SPELL_COOLDOWN, 8+1+m_spells.size()*8);
+    data << uint64(GetGUID());
+    data << uint8(0x0);                                     // flags (0x1, 0x2)
+    time_t curTime = time(NULL);
+    for (PetSpellMap::const_iterator itr = m_spells.begin(); itr != m_spells.end(); ++itr)
+    {
+        if (itr->second.state == PETSPELL_REMOVED)
+            continue;
+        uint32 unSpellId = itr->first;
+        SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(unSpellId);
+        if (!spellInfo)
+        {
+            ASSERT(spellInfo);
+            continue;
+        }
+
+        // Not send cooldown for this spells
+        if (spellInfo->Attributes & SPELL_ATTR0_DISABLED_WHILE_ACTIVE)
+            continue;
+
+        if (spellInfo->PreventionType != SPELL_PREVENTION_TYPE_SILENCE)
+            continue;
+
+        if ((idSchoolMask & spellInfo->GetSchoolMask()) && GetCreatureSpellCooldownDelay(unSpellId) < unTimeMs)
+        {
+            data << uint32(unSpellId);
+            data << uint32(unTimeMs);                       // in m.secs
+            _AddCreatureSpellCooldown(unSpellId, curTime + unTimeMs/IN_MILLISECONDS);
+        }
+    }
+    if(Player *owner = GetOwner())
+        owner->GetSession()->SendPacket(&data);
+    
+}

src/server/game/Entities/Pet/Pet.h

@@ -200,6 +200,7 @@ class Pet : public Guardian
         bool unlearnSpell(uint32 spell_id, bool learn_prev, bool clear_ab = true);
         bool removeSpell(uint32 spell_id, bool learn_prev, bool clear_ab = true);
         void CleanupActionBar();
+        virtual void ProhibitSpellSchool(SpellSchoolMask, uint32);
 
         PetSpellMap     m_spells;
         AutoSpellList   m_autospells;