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TrinityCore/src/server/game/AI/CreatureAIImpl.h

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/*
* Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/>
*
* 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/>.
*/
#ifndef CREATUREAIIMPL_H
#define CREATUREAIIMPL_H
#include "Common.h"
#include "Define.h"
#include "TemporarySummon.h"
#include "CreatureAI.h"
#include "SpellMgr.h"
template<class T>
inline
const T& RAND(const T& v1, const T& v2)
{
return (urand(0, 1)) ? v1 : v2;
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3)
{
switch (urand(0, 2))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4)
{
switch (urand(0, 3))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5)
{
switch (urand(0, 4))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6)
{
switch (urand(0, 5))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7)
{
switch (urand(0, 6))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8)
{
switch (urand(0, 7))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9)
{
switch (urand(0, 8))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9, const T& v10)
{
switch (urand(0, 9))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
case 9: return v10;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9, const T& v10, const T& v11)
{
switch (urand(0, 10))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
case 9: return v10;
case 10: return v11;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9, const T& v10, const T& v11, const T& v12)
{
switch (urand(0, 11))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
case 9: return v10;
case 10: return v11;
case 11: return v12;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9, const T& v10, const T& v11, const T& v12, const T& v13)
{
switch (urand(0, 12))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
case 9: return v10;
case 10: return v11;
case 11: return v12;
case 12: return v13;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9, const T& v10, const T& v11, const T& v12, const T& v13, const T& v14)
{
switch (urand(0, 13))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
case 9: return v10;
case 10: return v11;
case 11: return v12;
case 12: return v13;
case 13: return v14;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9, const T& v10, const T& v11, const T& v12, const T& v13, const T& v14, const T& v15)
{
switch (urand(0, 14))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
case 9: return v10;
case 10: return v11;
case 11: return v12;
case 12: return v13;
case 13: return v14;
case 14: return v15;
}
}
template<class T>
inline
const T& RAND(const T& v1, const T& v2, const T& v3, const T& v4, const T& v5, const T& v6, const T& v7, const T& v8,
const T& v9, const T& v10, const T& v11, const T& v12, const T& v13, const T& v14, const T& v15, const T& v16)
{
switch (urand(0, 15))
{
default:
case 0: return v1;
case 1: return v2;
case 2: return v3;
case 3: return v4;
case 4: return v5;
case 5: return v6;
case 6: return v7;
case 7: return v8;
case 8: return v9;
case 9: return v10;
case 10: return v11;
case 11: return v12;
case 12: return v13;
case 13: return v14;
case 14: return v15;
case 15: return v16;
}
}
class EventMap : private std::map<uint32, uint32>
{
public:
EventMap() : _time(0), _phase(0) {}
// Returns current timer value, does not represent real dates/times
uint32 GetTimer() const { return _time; }
// Removes all events and clears phase
void Reset() { clear(); _time = 0; _phase = 0; }
void Update(uint32 time) { _time += time; }
uint32 GetPhaseMask() const { return (_phase >> 24) & 0xFF; }
// Sets event phase, must be in range 1 - 8
void SetPhase(uint32 phase)
{
if (phase && phase < 8)
_phase = (1 << (phase + 24));
}
// Creates new event entry in map with given id, time, group if given (1 - 8) and phase if given (1 - 8)
// 0 for group/phase means it belongs to no group or runs in all phases
void ScheduleEvent(uint32 eventId, uint32 time, uint32 groupId = 0, uint32 phase = 0)
{
time += _time;
if (groupId && groupId < 9)
eventId |= (1 << (groupId + 16));
if (phase && phase < 8)
eventId |= (1 << (phase + 24));
const_iterator itr = find(time);
while (itr != end())
{
++time;
itr = find(time);
}
insert(std::make_pair(time, eventId));
}
// Removes event with specified id and creates new entry for it
void RescheduleEvent(uint32 eventId, uint32 time, uint32 groupId = 0, uint32 phase = 0)
{
CancelEvent(eventId);
ScheduleEvent(eventId, time, groupId, phase);
}
// Reschedules closest event
void RepeatEvent(uint32 time)
{
if (empty())
return;
uint32 eventId = begin()->second;
erase(begin());
time += _time;
const_iterator itr = find(time);
while (itr != end())
{
++time;
itr = find(time);
}
insert(std::make_pair(time, eventId));
}
// Removes first event
void PopEvent()
{
erase(begin());
}
// Gets next event id to execute and removes it from map
uint32 ExecuteEvent()
{
while (!empty())
{
if (begin()->first > _time)
return 0;
else if (_phase && (begin()->second & 0xFF000000) && !(begin()->second & _phase))
erase(begin());
else
{
uint32 eventId = (begin()->second & 0x0000FFFF);
erase(begin());
return eventId;
}
}
return 0;
}
// Gets next event id to execute
uint32 GetEvent()
{
while (!empty())
{
if (begin()->first > _time)
return 0;
else if (_phase && (begin()->second & 0xFF000000) && !(begin()->second & _phase))
erase(begin());
else
return (begin()->second & 0x0000FFFF);
}
return 0;
}
// Delay all events
void DelayEvents(uint32 delay)
{
if (delay < _time)
_time -= delay;
else
_time = 0;
}
// Delay all events having the specified Group
void DelayEvents(uint32 delay, uint32 groupId)
{
uint32 nextTime = _time + delay;
uint32 groupMask = (1 << (groupId + 16));
for (iterator itr = begin(); itr != end() && itr->first < nextTime;)
{
if (itr->second & groupMask)
{
ScheduleEvent(itr->second, itr->first - _time + delay);
erase(itr);
itr = begin();
}
else
++itr;
}
}
// Cancel events with specified id
void CancelEvent(uint32 eventId)
{
for (iterator itr = begin(); itr != end();)
{
if (eventId == (itr->second & 0x0000FFFF))
{
erase(itr);
itr = begin();
}
else
++itr;
}
}
// Cancel events belonging to specified group
void CancelEventGroup(uint32 groupId)
{
uint32 groupMask = (1 << (groupId + 16));
for (iterator itr = begin(); itr != end();)
{
if (itr->second & groupMask)
{
erase(itr);
itr = begin();
}
else
++itr;
}
}
// Returns time of next event to execute
// To get how much time remains substract _time
uint32 GetNextEventTime(uint32 eventId) const
{
for (const_iterator itr = begin(); itr != end(); ++itr)
if (eventId == (itr->second & 0x0000FFFF))
return itr->first;
return 0;
}
private:
uint32 _time;
uint32 _phase;
};
enum AITarget
{
AITARGET_SELF,
AITARGET_VICTIM,
AITARGET_ENEMY,
AITARGET_ALLY,
AITARGET_BUFF,
AITARGET_DEBUFF,
};
enum AICondition
{
AICOND_AGGRO,
AICOND_COMBAT,
AICOND_DIE,
};
#define AI_DEFAULT_COOLDOWN 5000
struct AISpellInfoType
{
AISpellInfoType() : target(AITARGET_SELF), condition(AICOND_COMBAT)
, cooldown(AI_DEFAULT_COOLDOWN), realCooldown(0), maxRange(0.0f){}
AITarget target;
AICondition condition;
uint32 cooldown;
uint32 realCooldown;
float maxRange;
};
AISpellInfoType* GetAISpellInfo(uint32 i);
inline void CreatureAI::SetGazeOn(Unit* target)
{
if (me->IsValidAttackTarget(target))
{
AttackStart(target);
me->SetReactState(REACT_PASSIVE);
}
}
inline bool CreatureAI::UpdateVictimWithGaze()
{
if (!me->isInCombat())
return false;
if (me->HasReactState(REACT_PASSIVE))
{
if (me->getVictim())
return true;
else
me->SetReactState(REACT_AGGRESSIVE);
}
if (Unit* victim = me->SelectVictim())
AttackStart(victim);
return me->getVictim();
}
inline bool CreatureAI::UpdateVictim()
{
if (!me->isInCombat())
return false;
if (!me->HasReactState(REACT_PASSIVE))
{
if (Unit* victim = me->SelectVictim())
AttackStart(victim);
return me->getVictim();
}
else if (me->getThreatManager().isThreatListEmpty())
{
EnterEvadeMode();
return false;
}
return true;
}
inline bool CreatureAI::_EnterEvadeMode()
{
if (!me->isAlive())
return false;
// dont remove vehicle auras, passengers arent supposed to drop off the vehicle
me->RemoveAllAurasExceptType(SPELL_AURA_CONTROL_VEHICLE);
// sometimes bosses stuck in combat?
me->DeleteThreatList();
me->CombatStop(true);
me->LoadCreaturesAddon();
me->SetLootRecipient(NULL);
me->ResetPlayerDamageReq();
if (me->IsInEvadeMode())
return false;
return true;
}
inline void UnitAI::DoCast(Unit* victim, uint32 spellId, bool triggered)
{
if (!victim || (me->HasUnitState(UNIT_STATE_CASTING) && !triggered))
return;
me->CastSpell(victim, spellId, triggered);
}
inline void UnitAI::DoCastVictim(uint32 spellId, bool triggered)
{
// Why don't we check for casting unit_state and existing target as we do in DoCast(.. ?
me->CastSpell(me->getVictim(), spellId, triggered);
}
inline void UnitAI::DoCastAOE(uint32 spellId, bool triggered)
{
if (!triggered && me->HasUnitState(UNIT_STATE_CASTING))
return;
me->CastSpell((Unit*)NULL, spellId, triggered);
}
inline Creature* CreatureAI::DoSummon(uint32 entry, const Position& pos, uint32 despawnTime, TempSummonType summonType)
{
return me->SummonCreature(entry, pos, summonType, despawnTime);
}
inline Creature* CreatureAI::DoSummon(uint32 entry, WorldObject* obj, float radius, uint32 despawnTime, TempSummonType summonType)
{
Position pos;
obj->GetRandomNearPosition(pos, radius);
return me->SummonCreature(entry, pos, summonType, despawnTime);
}
inline Creature* CreatureAI::DoSummonFlyer(uint32 entry, WorldObject* obj, float flightZ, float radius, uint32 despawnTime, TempSummonType summonType)
{
Position pos;
obj->GetRandomNearPosition(pos, radius);
pos.m_positionZ += flightZ;
return me->SummonCreature(entry, pos, summonType, despawnTime);
}
#endif
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