pet_generic.cpp

Go to the documentation of this file.

/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
/*
 * Spell and creature scripts in this file are not ordered but grouped(all scripts related to same creature in same place).
 * Scriptnames of spells and creatures in this file should be prefixed with "spell_pet_gen_" and "npc_pet_gen_" respectively.
 */
 
#include "ScriptMgr.h"
#include "MotionMaster.h"
#include "PassiveAI.h"
#include "PetDefines.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "SpellAuraEffects.h"
#include "SpellScript.h"
#include "TemporarySummon.h"
 
enum PandarenMonkMisc
{
 SPELL_PANDAREN_MONK = 69800,
 EVENT_FOCUS = 1,
 EVENT_EMOTE = 2,
 EVENT_FOLLOW = 3,
 EVENT_DRINK = 4
};
 
struct npc_pet_gen_pandaren_monk : public NullCreatureAI
{
 npc_pet_gen_pandaren_monk(Creature* creature) : NullCreatureAI(creature) { }
 
 void Reset() override
 {
 _events.Reset();
 _events.ScheduleEvent(EVENT_FOCUS, 1s);
 }
 
 void EnterEvadeMode(EvadeReason why) override
 {
 if (!_EnterEvadeMode(why))
 return;
 
 Reset();
 }
 
 void ReceiveEmote(Player* /*player*/, uint32 emote) override
 {
 me->InterruptSpell(CURRENT_CHANNELED_SPELL);
 me->StopMoving();
 
 switch (emote)
 {
 case TEXT_EMOTE_BOW:
 _events.ScheduleEvent(EVENT_FOCUS, 1s);
 break;
 case TEXT_EMOTE_DRINK:
 _events.ScheduleEvent(EVENT_DRINK, 1s);
 break;
 }
 }
 
 void UpdateAI(uint32 diff) override
 {
 _events.Update(diff);
 
 if (Unit* owner = me->GetCharmerOrOwner())
 if (!me->IsWithinDist(owner, 30.f))
 me->InterruptSpell(CURRENT_CHANNELED_SPELL);
 
 while (uint32 eventId = _events.ExecuteEvent())
 {
 switch (eventId)
 {
 case EVENT_FOCUS:
 if (Unit* owner = me->GetCharmerOrOwner())
 me->SetFacingToObject(owner);
 _events.ScheduleEvent(EVENT_EMOTE, 1s);
 break;
 case EVENT_EMOTE:
 me->HandleEmoteCommand(EMOTE_ONESHOT_BOW);
 _events.ScheduleEvent(EVENT_FOLLOW, 1s);
 break;
 case EVENT_FOLLOW:
 if (Unit* owner = me->GetCharmerOrOwner())
 me->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
 break;
 case EVENT_DRINK:
 me->CastSpell(me, SPELL_PANDAREN_MONK, false);
 break;
 default:
 break;
 }
 }
 }
 
private:
 EventMap _events;
};
 
enum SoulTrader
{
 SAY_SOUL_TRADER_INTRO = 0,
 
 SPELL_ETHEREAL_ONSUMMON = 50052,
 SPELL_ETHEREAL_PET_REMOVE_AURA = 50055
};
 
struct npc_pet_gen_soul_trader : public ScriptedAI
{
 npc_pet_gen_soul_trader(Creature* creature) : ScriptedAI(creature) { }
 
 void OnDespawn() override
 {
 if (Unit* owner = me->GetOwner())
 DoCast(owner, SPELL_ETHEREAL_PET_REMOVE_AURA);
 }
 
 void JustAppeared() override
 {
 Talk(SAY_SOUL_TRADER_INTRO);
 if (Unit* owner = me->GetOwner())
 DoCast(owner, SPELL_ETHEREAL_ONSUMMON);
 
 CreatureAI::JustAppeared();
 }
};
 
enum LichPet
{
 SPELL_LICH_PET_AURA = 69732,
 SPELL_LICH_PET_AURA_ONKILL = 69731,
 SPELL_LICH_PET_EMOTE = 70049,
 
 NPC_LICH_PET = 36979
};
 
// 69735 - Lich Pet OnSummon
class spell_pet_gen_lich_pet_onsummon : public SpellScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo({ SPELL_LICH_PET_AURA });
 }
 
 void HandleScript(SpellEffIndex /*effIndex*/)
 {
 Unit* target = GetHitUnit();
 target->CastSpell(target, SPELL_LICH_PET_AURA, true);
 }
 
 void Register() override
 {
 OnEffectHitTarget += SpellEffectFn(spell_pet_gen_lich_pet_onsummon::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
 }
};
 
// 69736 - Lich Pet Aura Remove
class spell_pet_gen_lich_pet_aura_remove : public SpellScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo({ SPELL_LICH_PET_AURA });
 }
 
 void HandleScript(SpellEffIndex /*effIndex*/)
 {
 GetHitUnit()->RemoveAurasDueToSpell(SPELL_LICH_PET_AURA);
 }
 
 void Register() override
 {
 OnEffectHitTarget += SpellEffectFn(spell_pet_gen_lich_pet_aura_remove::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
 }
};
 
// 69732 - Lich Pet Aura
class spell_pet_gen_lich_pet_aura : public AuraScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo({ SPELL_LICH_PET_AURA_ONKILL });
 }
 
 bool CheckProc(ProcEventInfo& eventInfo)
 {
 return (eventInfo.GetProcTarget()->GetTypeId() == TYPEID_PLAYER);
 }
 
 void HandleProc(AuraEffect* /*aurEff*/, ProcEventInfo& /*eventInfo*/)
 {
 PreventDefaultAction();
 
 Unit* owner = GetUnitOwner();
 
 std::list<TempSummon*> minionList;
 owner->GetAllMinionsByEntry(minionList, NPC_LICH_PET);
 for (TempSummon* minion : minionList)
 owner->CastSpell(minion, SPELL_LICH_PET_AURA_ONKILL, true);
 }
 
 void Register() override
 {
 DoCheckProc += AuraCheckProcFn(spell_pet_gen_lich_pet_aura::CheckProc);
 OnEffectProc += AuraEffectProcFn(spell_pet_gen_lich_pet_aura::HandleProc, EFFECT_0, SPELL_AURA_PROC_TRIGGER_SPELL);
 }
};
 
// 70050 - [DND] Lich Pet
class spell_pet_gen_lich_pet_periodic_emote : public AuraScript
{
 bool Validate(SpellInfo const* /*spellInfo*/) override
 {
 return ValidateSpellInfo({ SPELL_LICH_PET_EMOTE });
 }
 
 void OnPeriodic(AuraEffect const* /*aurEff*/)
 {
 // The chance to cast this spell is not 100%.
 // Triggered spell roots creature for 3 sec and plays anim and sound (doesn't require any script).
 // Emote and sound never shows up in sniffs because both comes from spell visual directly.
 // Both 69683 and 70050 can trigger spells at once and are not linked together in any way.
 // Effect of 70050 is overlapped by effect of 69683 but not instantly (69683 is a series of spell casts, takes longer to execute).
 // However, for some reason emote is not played if creature is idle and only if creature is moving or is already rooted.
 // For now it's scripted manually in script below to play emote always.
 if (roll_chance_i(50))
 GetTarget()->CastSpell(GetTarget(), SPELL_LICH_PET_EMOTE, true);
 }
 
 void Register() override
 {
 OnEffectPeriodic += AuraEffectPeriodicFn(spell_pet_gen_lich_pet_periodic_emote::OnPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
 }
};
 
// 70049 - [DND] Lich Pet
class spell_pet_gen_lich_pet_emote : public AuraScript
{
 void AfterApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
 {
 GetTarget()->HandleEmoteCommand(EMOTE_ONESHOT_CUSTOM_SPELL_01);
 }
 
 void Register() override
 {
 AfterEffectApply += AuraEffectApplyFn(spell_pet_gen_lich_pet_emote::AfterApply, EFFECT_0, SPELL_AURA_MOD_ROOT, AURA_EFFECT_HANDLE_REAL);
 }
};
 
// 69682 - Lil' K.T. Focus
class spell_pet_gen_lich_pet_focus : public SpellScript
{
 bool Validate(SpellInfo const* spellInfo) override
 {
 return ValidateSpellInfo({ uint32(spellInfo->GetEffect(EFFECT_0).CalcValue()) });
 }
 
 void HandleScript(SpellEffIndex /*effIndex*/)
 {
 GetCaster()->CastSpell(GetHitUnit(), uint32(GetEffectValue()));
 }
 
 void Register() override
 {
 OnEffectHitTarget += SpellEffectFn(spell_pet_gen_lich_pet_focus::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
 }
};
 
void AddSC_generic_pet_scripts()
{
 RegisterCreatureAI(npc_pet_gen_pandaren_monk);
 RegisterCreatureAI(npc_pet_gen_soul_trader);
 RegisterSpellScript(spell_pet_gen_lich_pet_onsummon);
 RegisterSpellScript(spell_pet_gen_lich_pet_aura_remove);
 RegisterSpellScript(spell_pet_gen_lich_pet_aura);
 RegisterSpellScript(spell_pet_gen_lich_pet_periodic_emote);
 RegisterSpellScript(spell_pet_gen_lich_pet_emote);
 RegisterSpellScript(spell_pet_gen_lich_pet_focus);
}