Core/GuardAI: General cleanup and removed some unnecessary code.

src/server/game/AI/CoreAI/GuardAI.cpp

@@ -23,7 +23,7 @@
 #include "World.h"
 #include "CreatureAIImpl.h"
 
-int GuardAI::Permissible(const Creature* creature)
+int GuardAI::Permissible(Creature const* creature)
 {
     if (creature->isGuard())
         return PERMIT_BASE_SPECIAL;
@@ -31,7 +31,7 @@ int GuardAI::Permissible(const Creature* creature)
     return PERMIT_BASE_NO;
 }
 
-GuardAI::GuardAI(Creature* creature) : ScriptedAI(creature), i_victimGuid(0), i_state(STATE_NORMAL), i_tracker(TIME_INTERVAL_LOOK)
+GuardAI::GuardAI(Creature* creature) : ScriptedAI(creature)
 {
 }
 
@@ -40,108 +40,35 @@ bool GuardAI::CanSeeAlways(WorldObject const* obj)
     if (!obj->isType(TYPEMASK_UNIT))
         return false;
 
-    std::list<HostileReference*> t_list = me->getThreatManager().getThreatList();
-    for (std::list<HostileReference*>::const_iterator itr = t_list.begin(); itr!= t_list.end(); ++itr)
-    {
-        if (Unit* unit = Unit::GetUnit(*me, (*itr)->getUnitGuid()))
-            if (unit == obj)
-                return true;
-    }
+    std::list<HostileReference*> threatList = me->getThreatManager().getThreatList();
+    for (std::list<HostileReference*>::const_iterator itr = threatList.begin(); itr != threatList.end(); ++itr)
+        if ((*itr)->getUnitGuid() == obj->GetGUID())
+            return true;
 
     return false;
 }
 
-void GuardAI::MoveInLineOfSight(Unit* unit)
-{
-    // Ignore Z for flying creatures
-    if (!me->CanFly() && me->GetDistanceZ(unit) > CREATURE_Z_ATTACK_RANGE)
-        return;
-
-    if (!me->getVictim() && me->IsValidAttackTarget(unit) &&
-        (unit->IsHostileToPlayers() || me->IsHostileTo(unit)) &&
-        unit->isInAccessiblePlaceFor(me))
-    {
-        float attackRadius = me->GetAttackDistance(unit);
-        if (me->IsWithinDistInMap(unit, attackRadius))
-        {
-            //Need add code to let guard support player
-            AttackStart(unit);
-            //u->RemoveAurasByType(SPELL_AURA_MOD_STEALTH);
-        }
-    }
-}
-
 void GuardAI::EnterEvadeMode()
 {
     if (!me->isAlive())
     {
-        sLog->outStaticDebug("Creature stopped attacking because he is dead [guid=%u]", me->GetGUIDLow());
         me->GetMotionMaster()->MoveIdle();
-
-        i_state = STATE_NORMAL;
-
-        i_victimGuid = 0;
         me->CombatStop(true);
         me->DeleteThreatList();
         return;
     }
 
-    Unit* victim = ObjectAccessor::GetUnit(*me, i_victimGuid);
-
-    if (!victim)
-    {
-        sLog->outStaticDebug("Creature stopped attacking because victim does not exist [guid=%u]", me->GetGUIDLow());
-    }
-    else if (!victim->isAlive())
-    {
-        sLog->outStaticDebug("Creature stopped attacking because victim is dead [guid=%u]", me->GetGUIDLow());
-    }
-    else if (victim->HasStealthAura())
-    {
-        sLog->outStaticDebug("Creature stopped attacking because victim is using stealth [guid=%u]", me->GetGUIDLow());
-    }
-    else if (victim->isInFlight())
-    {
-        sLog->outStaticDebug("Creature stopped attacking because victim is flying away [guid=%u]", me->GetGUIDLow());
-    }
-    else
-    {
-        sLog->outStaticDebug("Creature stopped attacking because victim outran him [guid=%u]", me->GetGUIDLow());
-    }
+    sLog->outDebug(LOG_FILTER_UNITS, "Guard entry: %u enters evade mode.", me->GetEntry());
 
     me->RemoveAllAuras();
     me->DeleteThreatList();
-    i_victimGuid = 0;
     me->CombatStop(true);
-    i_state = STATE_NORMAL;
 
     // Remove ChaseMovementGenerator from MotionMaster stack list, and add HomeMovementGenerator instead
     if (me->GetMotionMaster()->GetCurrentMovementGeneratorType() == CHASE_MOTION_TYPE)
         me->GetMotionMaster()->MoveTargetedHome();
 }
 
-void GuardAI::UpdateAI(const uint32 /*diff*/)
-{
-    // update i_victimGuid if me->getVictim() !=0 and changed
-    if (!UpdateVictim())
-        return;
-
-    Unit* const victim = me->getVictim();
-    if (!victim)
-        return;
-
-    i_victimGuid = victim->GetGUID();
-
-    if (me->isAttackReady())
-    {
-        if (me->IsWithinMeleeRange(victim))
-        {
-            me->AttackerStateUpdate(victim);
-            me->resetAttackTimer();
-        }
-    }
-}
-
 void GuardAI::JustDied(Unit* killer)
 {
     if (Player* player = killer->GetCharmerOrOwnerPlayerOrPlayerItself())

src/server/game/AI/CoreAI/GuardAI.h

@@ -20,34 +20,19 @@
 #define TRINITY_GUARDAI_H
 
 #include "ScriptedCreature.h"
-#include "Timer.h"
 
 class Creature;
 
 class GuardAI : public ScriptedAI
 {
-    enum GuardState
-    {
-        STATE_NORMAL = 1,
-        STATE_LOOK_AT_VICTIM = 2
-    };
-
     public:
+        explicit GuardAI(Creature* creature);
 
-        explicit GuardAI(Creature* c);
-
-        void MoveInLineOfSight(Unit*);
-        void EnterEvadeMode();
-        void JustDied(Unit*);
+        static int Permissible(Creature const* creature);
         bool CanSeeAlways(WorldObject const* obj);
 
-        void UpdateAI(const uint32);
-        static int Permissible(const Creature*);
-
-    private:
-        uint64 i_victimGuid;
-        GuardState i_state;
-        TimeTracker i_tracker;
+        void EnterEvadeMode();
+        void JustDied(Unit* killer);
 };
 #endif