1 files changed, 155 insertions, 0 deletions
diff --git a/src/game/AggressorAI.cpp b/src/game/AggressorAI.cpp
new file mode 100644
index 00000000000..494acbb9a51
--- /dev/null
+++ b/src/game/AggressorAI.cpp
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "AggressorAI.h"
+#include "Errors.h"
+#include "Creature.h"
+#include "Player.h"
+#include "ObjectAccessor.h"
+#include "VMapFactory.h"
+#include "World.h"
+
+#include <list>
+
+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;
+}
+
+AggressorAI::AggressorAI(Creature &c) : i_creature(c), i_victimGuid(0), i_state(STATE_NORMAL), i_tracker(TIME_INTERVAL_LOOK)
+{
+}
+
+void
+AggressorAI::MoveInLineOfSight(Unit *u)
+{
+    if( i_creature.GetDistanceZ(u) > CREATURE_Z_ATTACK_RANGE )
+        return;
+    if( !i_creature.getVictim() && !i_creature.hasUnitState(UNIT_STAT_STUNDED) && u->isTargetableForAttack() &&
+        ( i_creature.IsHostileTo( u ) /*|| u->getVictim() && i_creature.IsFriendlyTo( u->getVictim() )*/ ) &&
+        u->isInAccessablePlaceFor(&i_creature) )
+    {
+        float attackRadius = i_creature.GetAttackDistance(u);
+        if(i_creature.IsWithinDistInMap(u, attackRadius) && i_creature.IsWithinLOSInMap(u) )
+        {
+            AttackStart(u);
+            u->RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);
+        }
+    }
+}
+
+void AggressorAI::EnterEvadeMode()
+{
+    if( !i_creature.isAlive() )
+    {
+        DEBUG_LOG("Creature stopped attacking cuz his dead [guid=%u]", i_creature.GetGUIDLow());
+        i_victimGuid = 0;
+        i_creature.CombatStop();
+        i_creature.DeleteThreatList();
+        return;
+    }
+
+    Unit* victim = ObjectAccessor::GetUnit(i_creature, i_victimGuid );
+
+    if( !victim  )
+    {
+        DEBUG_LOG("Creature stopped attacking because victim is non exist [guid=%u]", i_creature.GetGUIDLow());
+    }
+    else if( !victim->isAlive() )
+    {
+        DEBUG_LOG("Creature stopped attacking cuz his victim is dead [guid=%u]", i_creature.GetGUIDLow());
+    }
+    else if( victim->HasStealthAura() )
+    {
+        DEBUG_LOG("Creature stopped attacking cuz his victim is stealth [guid=%u]", i_creature.GetGUIDLow());
+    }
+    else if( victim->isInFlight() )
+    {
+        DEBUG_LOG("Creature stopped attacking cuz his victim is fly away [guid=%u]", i_creature.GetGUIDLow());
+    }
+    else
+    {
+        DEBUG_LOG("Creature stopped attacking due to target out run him [guid=%u]", i_creature.GetGUIDLow());
+        //i_state = STATE_LOOK_AT_VICTIM;
+        //i_tracker.Reset(TIME_INTERVAL_LOOK);
+    }
+
+    if(!i_creature.isCharmed())
+    {
+        i_creature.RemoveAllAuras();
+
+        // Remove TargetedMovementGenerator from MotionMaster stack list, and add HomeMovementGenerator instead
+        if( i_creature.GetMotionMaster()->GetCurrentMovementGeneratorType() == TARGETED_MOTION_TYPE )
+            i_creature.GetMotionMaster()->MoveTargetedHome();
+    }
+
+    i_creature.DeleteThreatList();
+    i_victimGuid = 0;
+    i_creature.CombatStop();
+    i_creature.SetLootRecipient(NULL);
+}
+
+void
+AggressorAI::UpdateAI(const uint32 /*diff*/)
+{
+    // update i_victimGuid if i_creature.getVictim() !=0 and changed
+    if(!i_creature.SelectHostilTarget() || !i_creature.getVictim())
+        return;
+
+    i_victimGuid = i_creature.getVictim()->GetGUID();
+
+    if( i_creature.isAttackReady() )
+    {
+        if( i_creature.IsWithinDistInMap(i_creature.getVictim(), ATTACK_DISTANCE))
+        {
+            i_creature.AttackerStateUpdate(i_creature.getVictim());
+            i_creature.resetAttackTimer();
+        }
+    }
+}
+
+bool
+AggressorAI::IsVisible(Unit *pl) const
+{
+    return i_creature.GetDistance(pl) < sWorld.getConfig(CONFIG_SIGHT_MONSTER)
+        && pl->isVisibleForOrDetect(&i_creature,true);
+}
+
+void
+AggressorAI::AttackStart(Unit *u)
+{
+    if( !u )
+        return;
+
+    if(i_creature.Attack(u,true))
+    {
+        i_creature.SetInCombatWith(u);
+        u->SetInCombatWith(&i_creature);
+
+        i_creature.AddThreat(u, 0.0f);
+        //    DEBUG_LOG("Creature %s tagged a victim to kill [guid=%u]", i_creature.GetName(), u->GetGUIDLow());
+        i_victimGuid = u->GetGUID();
+
+        i_creature.GetMotionMaster()->MoveChase(u);
+    }
+}