Files
azerothcore-wotlk/src/game/AI/CoreAI/CombatAI.cpp
2016-08-12 02:38:26 +02:00

324 lines
8.7 KiB
C++

/*
* Copyright (C)
* Copyright (C)
*
* 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 "CombatAI.h"
#include "SpellMgr.h"
#include "SpellInfo.h"
#include "Vehicle.h"
#include "ObjectAccessor.h"
#include "Player.h"
/////////////////
// AggressorAI
/////////////////
int AggressorAI::Permissible(const Creature* creature)
{
// have some hostile factions, it will be selected by IsHostileTo check at MoveInLineOfSight
if (!creature->IsCivilian() && !creature->IsNeutralToAll())
return PERMIT_BASE_PROACTIVE;
return PERMIT_BASE_NO;
}
void AggressorAI::UpdateAI(uint32 /*diff*/)
{
if (!UpdateVictim())
return;
DoMeleeAttackIfReady();
}
/////////////////
// CombatAI
/////////////////
void CombatAI::InitializeAI()
{
for (uint32 i = 0; i < CREATURE_MAX_SPELLS; ++i)
if (me->m_spells[i] && sSpellMgr->GetSpellInfo(me->m_spells[i]))
spells.push_back(me->m_spells[i]);
CreatureAI::InitializeAI();
}
void CombatAI::Reset()
{
events.Reset();
}
void CombatAI::JustDied(Unit* killer)
{
for (SpellVct::iterator i = spells.begin(); i != spells.end(); ++i)
if (AISpellInfo[*i].condition == AICOND_DIE)
me->CastSpell(killer, *i, true);
}
void CombatAI::EnterCombat(Unit* who)
{
for (SpellVct::iterator i = spells.begin(); i != spells.end(); ++i)
{
if (AISpellInfo[*i].condition == AICOND_AGGRO)
me->CastSpell(who, *i, false);
else if (AISpellInfo[*i].condition == AICOND_COMBAT)
events.ScheduleEvent(*i, AISpellInfo[*i].cooldown + rand()%AISpellInfo[*i].cooldown);
}
}
void CombatAI::UpdateAI(uint32 diff)
{
if (!UpdateVictim())
return;
events.Update(diff);
if (me->HasUnitState(UNIT_STATE_CASTING))
return;
if (uint32 spellId = events.ExecuteEvent())
{
DoCast(spellId);
events.ScheduleEvent(spellId, AISpellInfo[spellId].cooldown + rand()%AISpellInfo[spellId].cooldown);
}
else
DoMeleeAttackIfReady();
}
/////////////////
// CasterAI
/////////////////
void CasterAI::InitializeAI()
{
CombatAI::InitializeAI();
m_attackDist = 30.0f;
for (SpellVct::iterator itr = spells.begin(); itr != spells.end(); ++itr)
if (AISpellInfo[*itr].condition == AICOND_COMBAT && m_attackDist > GetAISpellInfo(*itr)->maxRange)
m_attackDist = GetAISpellInfo(*itr)->maxRange;
if (m_attackDist == 30.0f)
m_attackDist = MELEE_RANGE;
}
void CasterAI::EnterCombat(Unit* who)
{
if (spells.empty())
return;
uint32 spell = rand()%spells.size();
uint32 count = 0;
for (SpellVct::iterator itr = spells.begin(); itr != spells.end(); ++itr, ++count)
{
if (AISpellInfo[*itr].condition == AICOND_AGGRO)
me->CastSpell(who, *itr, false);
else if (AISpellInfo[*itr].condition == AICOND_COMBAT)
{
uint32 cooldown = GetAISpellInfo(*itr)->realCooldown;
if (count == spell)
{
DoCast(spells[spell]);
cooldown += me->GetCurrentSpellCastTime(*itr);
}
events.ScheduleEvent(*itr, cooldown);
}
}
}
void CasterAI::UpdateAI(uint32 diff)
{
if (!UpdateVictim())
return;
events.Update(diff);
if (me->GetVictim()->HasBreakableByDamageCrowdControlAura(me))
{
me->InterruptNonMeleeSpells(false);
return;
}
if (me->HasUnitState(UNIT_STATE_CASTING))
return;
if (uint32 spellId = events.ExecuteEvent())
{
DoCast(spellId);
uint32 casttime = me->GetCurrentSpellCastTime(spellId);
events.ScheduleEvent(spellId, (casttime ? casttime : 500) + GetAISpellInfo(spellId)->realCooldown);
}
}
//////////////
// ArcherAI
//////////////
ArcherAI::ArcherAI(Creature* c) : CreatureAI(c)
{
if (!me->m_spells[0])
sLog->outError("ArcherAI set for creature (entry = %u) with spell1=0. AI will do nothing", me->GetEntry());
SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(me->m_spells[0]);
m_minRange = spellInfo ? spellInfo->GetMinRange(false) : 0;
if (!m_minRange)
m_minRange = MELEE_RANGE;
me->m_CombatDistance = spellInfo ? spellInfo->GetMaxRange(false) : 0;
me->m_SightDistance = me->m_CombatDistance;
}
void ArcherAI::AttackStart(Unit* who)
{
if (!who)
return;
if (me->IsWithinCombatRange(who, m_minRange))
{
if (me->Attack(who, true) && !who->IsFlying())
me->GetMotionMaster()->MoveChase(who);
}
else
{
if (me->Attack(who, false) && !who->IsFlying())
me->GetMotionMaster()->MoveChase(who, me->m_CombatDistance);
}
if (who->IsFlying())
me->GetMotionMaster()->MoveIdle();
}
void ArcherAI::UpdateAI(uint32 /*diff*/)
{
if (!UpdateVictim())
return;
if (!me->IsWithinCombatRange(me->GetVictim(), m_minRange))
DoSpellAttackIfReady(me->m_spells[0]);
else
DoMeleeAttackIfReady();
}
//////////////
// TurretAI
//////////////
TurretAI::TurretAI(Creature* c) : CreatureAI(c)
{
if (!me->m_spells[0])
sLog->outError("TurretAI set for creature (entry = %u) with spell1=0. AI will do nothing", me->GetEntry());
SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(me->m_spells[0]);
m_minRange = spellInfo ? spellInfo->GetMinRange(false) : 0;
me->m_CombatDistance = spellInfo ? spellInfo->GetMaxRange(false) : 0;
me->m_SightDistance = me->m_CombatDistance;
}
bool TurretAI::CanAIAttack(const Unit* /*who*/) const
{
// TODO: use one function to replace it
if (!me->IsWithinCombatRange(me->GetVictim(), me->m_CombatDistance)
|| (m_minRange && me->IsWithinCombatRange(me->GetVictim(), m_minRange)))
return false;
return true;
}
void TurretAI::AttackStart(Unit* who)
{
if (who)
me->Attack(who, false);
}
void TurretAI::UpdateAI(uint32 /*diff*/)
{
if (!UpdateVictim())
return;
if( me->m_spells[0] )
DoSpellAttackIfReady(me->m_spells[0]);
}
//////////////
// VehicleAI
//////////////
VehicleAI::VehicleAI(Creature* c) : CreatureAI(c), m_ConditionsTimer(VEHICLE_CONDITION_CHECK_TIME)
{
LoadConditions();
m_DoDismiss = false;
m_DismissTimer = VEHICLE_DISMISS_TIME;
}
//NOTE: VehicleAI::UpdateAI runs even while the vehicle is mounted
void VehicleAI::UpdateAI(uint32 diff)
{
CheckConditions(diff);
if (m_DoDismiss)
{
if (m_DismissTimer < diff)
{
m_DoDismiss = false;
me->DespawnOrUnsummon();
}
else
m_DismissTimer -= diff;
}
}
void VehicleAI::OnCharmed(bool apply)
{
if (!me->GetVehicleKit()->IsVehicleInUse() && !apply && !conditions.empty()) // was used and has conditions
m_DoDismiss = true; // needs reset
else if (apply)
m_DoDismiss = false; // in use again
m_DismissTimer = VEHICLE_DISMISS_TIME;//reset timer
}
void VehicleAI::LoadConditions()
{
conditions = sConditionMgr->GetConditionsForNotGroupedEntry(CONDITION_SOURCE_TYPE_CREATURE_TEMPLATE_VEHICLE, me->GetEntry());
//if (!conditions.empty())
;//sLog->outDebug(LOG_FILTER_CONDITIONSYS, "VehicleAI::LoadConditions: loaded %u conditions", uint32(conditions.size()));
}
void VehicleAI::CheckConditions(uint32 diff)
{
if (m_ConditionsTimer < diff)
{
if (!conditions.empty())
{
if (Vehicle* vehicleKit = me->GetVehicleKit())
for (SeatMap::iterator itr = vehicleKit->Seats.begin(); itr != vehicleKit->Seats.end(); ++itr)
if (Unit* passenger = ObjectAccessor::GetUnit(*me, itr->second.Passenger.Guid))
{
if (Player* player = passenger->ToPlayer())
{
if (!sConditionMgr->IsObjectMeetToConditions(player, me, conditions))
{
player->ExitVehicle();
return; // check other pessanger in next tick
}
}
}
}
m_ConditionsTimer = VEHICLE_CONDITION_CHECK_TIME;
}
else
m_ConditionsTimer -= diff;
}