boss_drekthar.cpp

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/*
 * 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/>.
 */
 
#include "ScriptMgr.h"
#include "ScriptedCreature.h"
 
enum Spells
{
 SPELL_WHIRLWIND = 15589,
 SPELL_WHIRLWIND2 = 13736,
 SPELL_KNOCKDOWN = 19128,
 SPELL_FRENZY = 8269,
 SPELL_SWEEPING_STRIKES = 18765, // not sure
 SPELL_CLEAVE = 20677, // not sure
 SPELL_WINDFURY = 35886, // not sure
 SPELL_STORMPIKE = 51876 // not sure
};
 
enum Texts
{
 SAY_AGGRO = 0,
 SAY_EVADE = 1,
 SAY_RESPAWN = 2,
 SAY_RANDOM = 3
};
 
enum Events
{
 EVENT_WHIRLWIND = 1,
 EVENT_WHIRLWIND2,
 EVENT_KNOCKDOWN,
 EVENT_FRENZY,
 EVENT_RANDOM_YELL
};
 
struct boss_drekthar : public ScriptedAI
{
 boss_drekthar(Creature* creature) : ScriptedAI(creature) { }
 
 void Reset() override
 {
 events.Reset();
 }
 
 void JustEngagedWith(Unit* /*who*/) override
 {
 Talk(SAY_AGGRO);
 events.ScheduleEvent(EVENT_WHIRLWIND, 1s, 20s);
 events.ScheduleEvent(EVENT_WHIRLWIND2, 1s, 20s);
 events.ScheduleEvent(EVENT_KNOCKDOWN, 12s);
 events.ScheduleEvent(EVENT_FRENZY, 6s);
 events.ScheduleEvent(EVENT_RANDOM_YELL, 20s, 30s);
 }
 
 void JustAppeared() override
 {
 Reset();
 Talk(SAY_RESPAWN);
 }
 
 bool CheckInRoom() override
 {
 if (me->GetDistance2d(me->GetHomePosition().GetPositionX(), me->GetHomePosition().GetPositionY()) > 50)
 {
 EnterEvadeMode();
 Talk(SAY_EVADE);
 return false;
 }
 
 return true;
 }
 
 void UpdateAI(uint32 diff) override
 {
 if (!UpdateVictim() || !CheckInRoom())
 return;
 
 events.Update(diff);
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 
 while (uint32 eventId = events.ExecuteEvent())
 {
 switch (eventId)
 {
 case EVENT_WHIRLWIND:
 DoCastVictim(SPELL_WHIRLWIND);
 events.ScheduleEvent(EVENT_WHIRLWIND, 8s, 18s);
 break;
 case EVENT_WHIRLWIND2:
 DoCastVictim(SPELL_WHIRLWIND2);
 events.ScheduleEvent(EVENT_WHIRLWIND2, 7s, 25s);
 break;
 case EVENT_KNOCKDOWN:
 DoCastVictim(SPELL_KNOCKDOWN);
 events.ScheduleEvent(EVENT_KNOCKDOWN, 10s, 15s);
 break;
 case EVENT_FRENZY:
 DoCastVictim(SPELL_FRENZY);
 events.ScheduleEvent(EVENT_FRENZY, 20s, 30s);
 break;
 case EVENT_RANDOM_YELL:
 Talk(SAY_RANDOM);
 events.ScheduleEvent(EVENT_RANDOM_YELL, 20s, 30s);
 break;
 default:
 break;
 }
 
 if (me->HasUnitState(UNIT_STATE_CASTING))
 return;
 }
 }
 
 private:
 EventMap events;
};
 
void AddSC_boss_drekthar()
{
 RegisterCreatureAI(boss_drekthar);
}