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[12676] AI-Event throwing and receiving implementation
Add new AI hooks to * SendAIEvent (either around the npc, or to a specified npc) * ReceiveAIEvent (hook to receive sent events)
This commit is contained in:
Schmoozerd
Antz
parent
60a7bec73f
commit
c7a07a7dc6
5 changed files with 141 additions and 63 deletions
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@ -97,34 +97,6 @@ VendorItem const* VendorItemData::FindItemCostPair(uint32 item_id, uint8 type, u
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return NULL;
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}
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bool AssistDelayEvent::Execute(uint64 /*e_time*/, uint32 /*p_time*/)
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{
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if (Unit* victim = m_owner.GetMap()->GetUnit(m_victimGuid))
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{
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while (!m_assistantGuids.empty())
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{
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Creature* assistant = m_owner.GetMap()->GetAnyTypeCreature(*m_assistantGuids.rbegin());
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m_assistantGuids.pop_back();
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if (assistant && assistant->CanAssistTo(&m_owner, victim))
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{
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assistant->SetNoCallAssistance(true);
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if (assistant->AI())
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assistant->AI()->AttackStart(victim);
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}
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}
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}
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return true;
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}
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AssistDelayEvent::AssistDelayEvent(ObjectGuid victim, Unit& owner, std::list<Creature*> const& assistants) : BasicEvent(), m_victimGuid(victim), m_owner(owner)
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{
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// Pushing guids because in delay can happen some creature gets despawned => invalid pointer
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m_assistantGuids.reserve(assistants.size());
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for (std::list<Creature*>::const_iterator itr = assistants.begin(); itr != assistants.end(); ++itr)
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m_assistantGuids.push_back((*itr)->GetObjectGuid());
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}
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bool ForcedDespawnDelayEvent::Execute(uint64 /*e_time*/, uint32 /*p_time*/)
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{
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m_owner.ForcedDespawn();
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@ -1800,24 +1772,7 @@ void Creature::CallAssistance()
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if (!m_AlreadyCallAssistance && getVictim() && !isCharmed())
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{
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SetNoCallAssistance(true);
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float radius = sWorld.getConfig(CONFIG_FLOAT_CREATURE_FAMILY_ASSISTANCE_RADIUS);
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if (radius > 0)
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{
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std::list<Creature*> assistList;
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{
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MaNGOS::AnyAssistCreatureInRangeCheck u_check(this, getVictim(), radius);
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MaNGOS::CreatureListSearcher<MaNGOS::AnyAssistCreatureInRangeCheck> searcher(assistList, u_check);
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Cell::VisitGridObjects(this, searcher, radius);
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}
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if (!assistList.empty())
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{
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AssistDelayEvent* e = new AssistDelayEvent(getVictim()->GetObjectGuid(), *this, assistList);
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m_Events.AddEvent(e, m_Events.CalculateTime(sWorld.getConfig(CONFIG_UINT32_CREATURE_FAMILY_ASSISTANCE_DELAY)));
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}
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}
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AI()->SendAIEvent(AI_EVENT_CALL_ASSISTANCE, getVictim(), sWorld.getConfig(CONFIG_UINT32_CREATURE_FAMILY_ASSISTANCE_DELAY), sWorld.getConfig(CONFIG_FLOAT_CREATURE_FAMILY_ASSISTANCE_RADIUS));
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}
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}
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@ -1846,7 +1801,7 @@ bool Creature::CanAssistTo(const Unit* u, const Unit* enemy, bool checkfaction /
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return false;
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// skip fighting creature
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if (isInCombat())
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if (enemy && isInCombat())
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return false;
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// only free creature
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@ -1866,7 +1821,7 @@ bool Creature::CanAssistTo(const Unit* u, const Unit* enemy, bool checkfaction /
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}
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// skip non hostile to caster enemy creatures
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if (!IsHostileTo(enemy))
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if (enemy && !IsHostileTo(enemy))
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return false;
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return true;
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@ -780,20 +780,6 @@ class MANGOS_DLL_SPEC Creature : public Unit
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CreatureInfo const* m_creatureInfo; // in difficulty mode > 0 can different from ObjMgr::GetCreatureTemplate(GetEntry())
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};
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class AssistDelayEvent : public BasicEvent
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{
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public:
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AssistDelayEvent(ObjectGuid victim, Unit& owner, std::list<Creature*> const& assistants);
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bool Execute(uint64 e_time, uint32 p_time) override;
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private:
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AssistDelayEvent();
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ObjectGuid m_victimGuid;
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GuidVector m_assistantGuids;
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Unit& m_owner;
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};
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class ForcedDespawnDelayEvent : public BasicEvent
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{
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public:
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@ -20,6 +20,9 @@
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#include "Creature.h"
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#include "DBCStores.h"
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#include "Spell.h"
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#include "GridNotifiers.h"
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#include "GridNotifiersImpl.h"
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#include "CellImpl.h"
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CreatureAI::~CreatureAI()
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{
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@ -152,3 +155,79 @@ void CreatureAI::HandleMovementOnAttackStart(Unit* victim)
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m_creature->StopMoving();
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}
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}
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// ////////////////////////////////////////////////////////////////////////////////////////////////
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// Event system
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// ////////////////////////////////////////////////////////////////////////////////////////////////
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class AiDelayEventAround : public BasicEvent
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{
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public:
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AiDelayEventAround(AIEventType eventType, ObjectGuid invokerGuid, Creature& owner, std::list<Creature*> const& receivers) :
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BasicEvent(),
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m_eventType(eventType),
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m_invokerGuid(invokerGuid),
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m_owner(owner)
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{
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// Pushing guids because in delay can happen some creature gets despawned => invalid pointer
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m_receiverGuids.reserve(receivers.size());
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for (std::list<Creature*>::const_iterator itr = receivers.begin(); itr != receivers.end(); ++itr)
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m_receiverGuids.push_back((*itr)->GetObjectGuid());
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}
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bool Execute(uint64 /*e_time*/, uint32 /*p_time*/) override
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{
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Unit* pInvoker = m_owner.GetMap()->GetUnit(m_invokerGuid);
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for (GuidVector::const_reverse_iterator itr = m_receiverGuids.rbegin(); itr != m_receiverGuids.rend(); ++itr)
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{
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if (Creature* pReceiver = m_owner.GetMap()->GetAnyTypeCreature(*itr))
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{
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pReceiver->AI()->ReceiveAIEvent(m_eventType, &m_owner, pInvoker);
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// Special case for type 0 (call-assistance)
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if (m_eventType == AI_EVENT_CALL_ASSISTANCE && pInvoker && pReceiver->CanAssistTo(&m_owner, pInvoker))
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{
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pReceiver->SetNoCallAssistance(true);
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pReceiver->AI()->AttackStart(pInvoker);
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}
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}
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}
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m_receiverGuids.clear();
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return true;
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}
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private:
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AiDelayEventAround();
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ObjectGuid m_invokerGuid;
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GuidVector m_receiverGuids;
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Creature& m_owner;
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AIEventType m_eventType;
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};
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void CreatureAI::SendAIEvent(AIEventType eventType, Unit* pInvoker, uint32 uiDelay, float fRadius) const
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{
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if (fRadius > 0)
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{
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std::list<Creature*> receiverList;
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// Use this check here to collect only assitable creatures in case of CALL_ASSISTANCE, else be less strict
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MaNGOS::AnyAssistCreatureInRangeCheck u_check(m_creature, eventType == AI_EVENT_CALL_ASSISTANCE ? pInvoker : NULL, fRadius);
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MaNGOS::CreatureListSearcher<MaNGOS::AnyAssistCreatureInRangeCheck> searcher(receiverList, u_check);
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Cell::VisitGridObjects(m_creature, searcher, fRadius);
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if (!receiverList.empty())
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{
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AiDelayEventAround* e = new AiDelayEventAround(eventType, pInvoker ? pInvoker->GetObjectGuid() : ObjectGuid(), *m_creature, receiverList);
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m_creature->m_Events.AddEvent(e, m_creature->m_Events.CalculateTime(uiDelay));
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}
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}
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}
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void CreatureAI::SendAIEvent(AIEventType eventType, Unit* pInvoker, Creature* pReceiver) const
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{
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MANGOS_ASSERT(pReceiver);
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pReceiver->AI()->ReceiveAIEvent(eventType, m_creature, pInvoker);
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}
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@ -59,6 +59,37 @@ enum CastFlags
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CAST_AURA_NOT_PRESENT = 0x20, // Only casts the spell if the target does not have an aura from the spell
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};
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enum AIEventType
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{
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// Usable with Event AI
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AI_EVENT_JUST_DIED = 0, // Sender = Killed Npc, Invoker = Killer
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AI_EVENT_CRITICAL_HEALTH = 1, // Sender = Hurt Npc, Invoker = DamageDealer
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AI_EVENT_LOST_HEALTH = 2, // Sender = Hurt Npc, Invoker = DamageDealer
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AI_EVENT_GOT_CCED = 3, // Sender = CCed Npc, Invoker = Caster that CCed
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AI_EVENT_GOT_FULL_HEALTH = 4, // Sender = Healed Npc, Invoker = Healer
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AI_EVENT_CUSTOM_EVENTAI_A = 5, // Sender = Npc that throws custom event, Invoker = TARGET_T_ACTION_INVOKER (if exists)
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AI_EVENT_CUSTOM_EVENTAI_B = 6, // Sender = Npc that throws custom event, Invoker = TARGET_T_ACTION_INVOKER (if exists)
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MAXIMAL_AI_EVENT_EVENTAI = 7,
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// Internal Use
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AI_EVENT_CALL_ASSISTANCE = 10, // Sender = Attacked Npc, Invoker = Enemy
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// Predefined for SD2
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AI_EVENT_START_ESCORT = 100, // Invoker = Escorting Player
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AI_EVENT_START_ESCORT_B = 101, // Invoker = Escorting Player
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AI_EVENT_START_EVENT = 102, // Invoker = EventStarter
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AI_EVENT_START_EVENT_A = 103, // Invoker = EventStarter
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AI_EVENT_START_EVENT_B = 104, // Invoker = EventStarter
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// Some IDs for special cases in SD2
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AI_EVENT_CUSTOM_A = 1000,
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AI_EVENT_CUSTOM_B = 1001,
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AI_EVENT_CUSTOM_C = 1002,
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AI_EVENT_CUSTOM_D = 1003,
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AI_EVENT_CUSTOM_E = 1004,
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AI_EVENT_CUSTOM_F = 1005,
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};
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class MANGOS_DLL_SPEC CreatureAI
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{
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public:
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@ -277,6 +308,33 @@ class MANGOS_DLL_SPEC CreatureAI
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void SetCombatMovement(bool enable, bool stopOrStartMovement = false);
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bool IsCombatMovement() const { return m_isCombatMovement; }
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///== Event Handling ===============================
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/**
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* Send an AI Event to nearby Creatures around
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* @param uiType number to specify the event, default cases listed in enum AIEventType
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* @param pInvoker Unit that triggered this event (like an attacker)
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* @param uiDelay delay time until the Event will be triggered
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* @param fRadius range in which for receiver is searched
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*/
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void SendAIEvent(AIEventType eventType, Unit* pInvoker, uint32 uiDelay, float fRadius) const;
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/**
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* Send an AI Event to a Creature
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* @param eventType to specify the event, default cases listed in enum AIEventType
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* @param pInvoker Unit that triggered this event (like an attacker)
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* @param pReceiver Creature to receive this event
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*/
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void SendAIEvent(AIEventType eventType, Unit* pInvoker, Creature* pReceiver) const;
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/**
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* Called when an AI Event is received
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* @param eventType to specify the event, default cases listed in enum AIEventType
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* @param pSender Creature that sent this event
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* @param pInvoker Unit that triggered this event (like an attacker)
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*/
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virtual void ReceiveAIEvent(AIEventType /*eventType*/, Creature* /*pSender*/, Unit* /*pInvoker*/) {}
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protected:
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void HandleMovementOnAttackStart(Unit* victim);
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@ -1,4 +1,4 @@
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#ifndef __REVISION_NR_H__
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#define __REVISION_NR_H__
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#define REVISION_NR "12675"
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#define REVISION_NR "12676"
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#endif // __REVISION_NR_H__
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