ef2gamesource/dlls/game/actor_enemymanager.cpp

//-----------------------------------------------------------------------------
//
//  $Logfile:: /EF2/Code/DLLs/game/actor_enemymanager.cpp                     $
// $Revision:: 41                                                             $
//   $Author:: Singlis                                                        $
//     $Date:: 9/26/03 2:35p                                                  $
//
// Copyright (C) 2001 by Ritual Entertainment, Inc.
// All rights reserved.
//
// This source may not be distributed and/or modified without
// expressly written permission by Ritual Entertainment, Inc.
//
//

#include "_pch_cpp.h"

//======================================
// EnemyManager Implementation
//=====================================

//
// Name:        EnemyManager()
// Parameters:  None
// Description: Constructor
//
EnemyManager::EnemyManager()
{
  // Should always use other constructor
  gi.Error(ERR_FATAL, "EnemyManager::EnemyManager -- Default Constructor Called");
}

//
// Name:        EnemyManager()
// Parameters:  Actor *actor
// Description: Constructor
//
EnemyManager::EnemyManager(Actor *actor)
{
  //Initialize our Actor
  if (actor)
    act = actor;
  else
    gi.Error(ERR_DROP, "EnemyManager::EnemyManager -- actor is NULL");

  _lockedOnCurrentEnemy = false;

}

//
// Name:       ~EnemyManager()
// Parameters:  None
// Description: Destructor
//
EnemyManager::~EnemyManager()
{
}


//
// Name:        GetCurrentEnemy()
// Parameters:  None
// Description: Returns the _currentEnemy
//
EntityPtr EnemyManager::GetCurrentEnemy()
{
  if (act->forcedEnemy)
  {
    if (act->forcedEnemy->health <= 0)
    {
      act->forcedEnemy = nullptr;
      _lockedOnCurrentEnemy = false;
      return _currentEnemy;
    }

    return act->forcedEnemy;
  }

  if (!_currentEnemy)
    FindHighestHateEnemy();

  return _currentEnemy;
}

//
// Name:        SetCurrentEnemy()
// Parameters:  Entity *enemy
// Description: sets _currentEnemy
//
void EnemyManager::SetCurrentEnemy(Entity *enemy)
{
  if (enemy)
    _currentEnemy = enemy;
  else
  {
    _lockedOnCurrentEnemy = false;
  }
}


EntityPtr EnemyManager::GetAlternateTarget()
{
  return _alternateTarget;
}

void EnemyManager::SetAlternateTarget(Entity *target)
{
  _alternateTarget = target;
}
//
// Name:        FindHightestHateEnemy()
// Parameters:  None
// Description: Sets the _currentEnemy to the highest enemy on the hate list
//
void EnemyManager::FindHighestHateEnemy()
{
  float hateValue = 0;
  HateListEntry_t listIndex;
  float hateFactor;



  if (IsLockedOnCurrentEnemy())
    return;


  for (auto i = _hateList.NumObjects(); i > 0; i--)
  {
    hateFactor = 100;

    listIndex = _hateList.ObjectAt(i);
    listIndex.hate = listIndex.hate * (1 / listIndex.lastDistance);

    if (!listIndex.enemy)
    {
      _hateList.RemoveObjectAt(i);
      continue;
    }

    //If the enemy is a player, make sure to modify our hate
    if (listIndex.enemy->isSubclassOf(Sentient) && !act->GetActorFlag(ACTOR_FLAG_UPDATE_HATE_WITH_ATTACKERS))
    {
      hateFactor *= dynamic_cast<Sentient*>(static_cast<Entity*>(listIndex.enemy))->GetHateModifier();
    }


    listIndex.hate *= hateFactor;

    if (listIndex.hate >= hateValue && listIndex.hate > 0.0)
    {
      _currentEnemy = listIndex.enemy;
      hateValue = listIndex.hate;
    }

  }
}

//
// Name:        FindClosestEnemy()
// Parameters:  None
// Description: Sets the _currentEnemy to the enemy closest to the actor
//
void EnemyManager::FindClosestEnemy()
{
  auto distance = 99999999.9f;

  for (auto i = 1; i <= _hateList.NumObjects(); i++)
  {
    auto listIndex = _hateList.ObjectAt(i);

    if (!act->combatSubsystem->CanAttackTarget(listIndex.enemy))
      continue;

    if (listIndex.lastDistance < distance)
    {
      _currentEnemy = listIndex.enemy;
      distance = listIndex.lastDistance;
    }
  }
}

void EnemyManager::FindNextEnemy()
{
  auto hateValue = 0.0f;

  for (auto i = 1; i <= _hateList.NumObjects(); i++)
  {
    auto listIndex = _hateList.ObjectAt(i);
    if (listIndex.hate <= _currentEnemyHate && listIndex.hate > hateValue)
    {
      hateValue = listIndex.hate;
      _lastEnemy = _currentEnemy;
      _currentEnemy = listIndex.enemy;
      _currentEnemyHate = hateValue;
    }
  }
}

//
// Name:        ClearCurrentEnemy()
// Parameters:  None
// Description: sets the _currentEnemy to NULL
//
void EnemyManager::ClearCurrentEnemy()
{
  _lockedOnCurrentEnemy = false;
  _currentEnemy = nullptr;
}

//
// Name:        ClearHateList()
// Parameters:  None
// Description: Wipes out the hate list
//
void EnemyManager::ClearHateList()
{
  for (auto i = _hateList.NumObjects(); i > 0; i--)
  {
    _hateList.RemoveObjectAt(i);
  }

  _hateList.FreeObjectList();
}

//
// Name:        Likes()
// Parameters:  Entity *ent
// Description: Checks if Actor likes the entity
//
qboolean EnemyManager::Likes(Entity *ent)
{
  if (!ent)
    return false;

  if (ent->isClient())
  {
    return act->actortype == IS_FRIEND;
  }

  if (act->actortype == IS_MONSTER)
  {
    // Monsters don't like anyone
    return false;
  }

  if (ent->isSubclassOf(Actor))
  {
    auto actor = dynamic_cast<Actor *>(ent);

    if (actor->enemytype == act->enemytype)
      return true;

    if (actor->actortype != act->actortype)
      return false;

    if (act->actortype == IS_FRIEND)
      return true;
  }

  return false;
}

//
// Name:        Hates()
// Parameters:  Entity *ent
// Description: Checks if Actor hates the entity
//
qboolean EnemyManager::Hates(Entity *ent)
{
  if (!ent)
    return false;

  if (ent->isClient())
  {
    return act->actortype != IS_CIVILIAN && (act->actortype != IS_FRIEND && act->actortype != IS_TEAMMATE);
  }
  if (ent->isSubclassOf(Actor) && act->actortype != IS_INANIMATE)
  {
    auto actor = dynamic_cast<Actor *>(ent);
    if (actor->actortype <= IS_ENEMY && act->actortype <= IS_ENEMY)
    {
      return false;
    }
    if (actor->actortype == IS_FRIEND && act->actortype <= IS_ENEMY)
    {
      return true;
    }
    if (actor->actortype == IS_TEAMMATE && act->actortype <= IS_ENEMY)
    {
      return true;
    }
    if (actor->actortype <= IS_ENEMY && act->actortype == IS_FRIEND)
    {
      return true;
    }
    if (actor->actortype <= IS_ENEMY && act->actortype == IS_TEAMMATE)
    {
      return true;
    }
    if (actor->actortype == IS_TEAMMATE && act->actortype == IS_TEAMMATE)
    {
      return false;
    }

  }

  return false;
}

//
// Name:        IsValidEnemy
// Parameters:  Entity *enemy
// Description: Checks if the passed in entity is a valid target or not
//
qboolean EnemyManager::IsValidEnemy(Entity *enemy)
{

  if (!enemy || enemy == world || enemy == act || enemy->flags & FlagNotarget || enemy->takedamage == DamageNo || enemy->deadflag)
    return false;

  if (!Hates(enemy))
    return false;

  if (!CanAttack(enemy))
    return false;

  if ((enemy->edict->s.renderfx & RF_DONTDRAW))
    return false;

  return true;
}

//
// Name:        CanAttack
// Parameters:  Entity *ent
// Description: Checks if the actor is allowed to attack the passed in entity
//
qboolean EnemyManager::CanAttack(Entity *ent)
{

  if (!ent)
    return false;

  if (act->targetType == ATTACK_ANY)
    return true;


  if (ent->isSubclassOf(Player) && act->targetType == ATTACK_PLAYER_ONLY)
    return true;

  if (ent->isSubclassOf(Actor) && act->targetType == ATTACK_ACTORS_ONLY)
    return true;

  if (ent->isSubclassOf(LevelInteractionTrigger) && act->targetType == ATTACK_LEVEL_INTERACTION)
    return true;


  return false;

}

//
// Name:         CanAttackAnyEnemy
// Parameters:   None
// Description:  Checks if we can shoot any of our enemies in our list
qboolean EnemyManager::CanAttackAnyEnemy()
{
  for (auto i = 1; i <= _hateList.NumObjects(); i++)
  {
    auto listIndex = &_hateList.ObjectAt(i);

    auto target = listIndex->enemy;
    if (target)
    {
      if (act->combatSubsystem->CanAttackTarget(target))
        return true;
    }

  }

  return false;
}

//
// Name:        AdjustHate()
// Parameters:  Entity *enemy    -- The entity to adjust
//              float adjustment -- how much to adjust
// Description: Adjusts the hate value of the enemy
//
void EnemyManager::AdjustHate(Entity *enemy, float adjustment)
{
  if (!enemy)
    return;

  for (auto i = 1; i <= _hateList.NumObjects(); i++)
  {
    auto listIndex = &_hateList.ObjectAt(i);

    if (listIndex->enemy == enemy)
    {
      listIndex->hate += adjustment;
      if (listIndex->hate < 0.0f)
        listIndex->hate = 0.0f;

      return;
    }

  }
}

//
// Name:        AdjustDamageCaused()
// Parameters:  Entity *enemy    -- The entity to adjust
//              float adjustment -- how much to adjust
// Description: Adjusts the damage caused
//
void EnemyManager::AdjustDamageCaused(Entity *enemy, float adjustment)
{
  if (!enemy)
    return;

  for (auto i = 1; i <= _hateList.NumObjects(); i++)
  {
    auto& listIndex = _hateList.ObjectAt(i);

    if (listIndex.enemy == enemy)
    {
      listIndex.damageCaused += adjustment;
      return;
    }

  }
}

//
// Name:        TryToAddToHateList
// Parameters:  Entity *enemy 
// Description: Checks if the passed in entity should be added to the hate list
//              and calls _AddToHateList if it does
//
void EnemyManager::TryToAddToHateList(Entity *enemy)
{
  if (!enemy)
    return;

  if (IsValidEnemy(enemy) && !IsInHateList(enemy))
  {
    if (!act->combatSubsystem->CanAttackTarget(enemy) && !CanGetToEntity(enemy))
    {
      return;
    }

    _AddToHateList(enemy);
  }


}

//
// Name:        _AddToHateList()
// Parameters:  Entity *enemy -- The enemy to add
// Description: Adds the enemy to the hate list
//
void EnemyManager::_AddToHateList(Entity *enemy)
{
  HateListEntry_t listIndex;

  if (!enemy)
    return;

  listIndex.enemy = enemy;
  listIndex.damageCaused = 0;
  listIndex.hate = DEFAULT_INITIAL_HATE;
  listIndex.lastSightTime = level.time;
  listIndex.canSee = false;
  //listIndex.lastDistance = -1;
  listIndex.nextSightTime = level.time + MIN_SIGHT_DELAY;
  UpdateDistance(&listIndex);
  _hateList.AddObject(listIndex);

}

//
// Name:        IsInHateList()
// Parameters:  Entity *enemy
// Description: Checks if enemy is in the hate list
//
qboolean EnemyManager::IsInHateList(Entity *enemy)
{
  return _findEntityInHateList(enemy) > 0;
}

//----------------------------------------------------------------
// Name:			IsLastInHateList
// Class:			EnemyManager
//
// Description:		Determine if the Entity passed is in the hate list, 
//					and if it is at the end of the list.
//
// Parameters:		Entity* enemy - the entity to look for	
//
// Returns:			qboolean
//----------------------------------------------------------------
qboolean EnemyManager::IsLastInHateList(Entity* enemy)
{
  return _findEntityInHateList(enemy) == _hateList.NumObjects();
}


//----------------------------------------------------------------
// Name:			_findEntityInHateList
// Class:			EnemyManager
//
// Description:		Search the hate list for the passed entity.
//
// Parameters:		Entity* searchEnt - the entity to look for	
//
// Returns:			The index of the entity in the list
//					0 means it isn't in the list.
//----------------------------------------------------------------
int EnemyManager::_findEntityInHateList(Entity *searchEnt)
{
  if (!searchEnt)
  {
    return false;
  }

  // manually iterate through the hatelist
  for (auto i = 1; i <= _hateList.NumObjects(); i++)
  {
    auto listIndex = _hateList.ObjectAt(i);

    if (listIndex.enemy == searchEnt)
    {
      return i;
    }
  }

  // was not found, return 0
  return 0;
}


//----------------------------------------------------------------
// Name:			TrivialUpdate
// Class:			EnemyManager
//
// Description:		Minimal Hatelist update required for Actors
//
// Parameters:		
//					None
//
// Returns:			None
//----------------------------------------------------------------
void EnemyManager::TrivialUpdate()
{
  for (auto i = _hateList.NumObjects(); i > 0; i--)
  {
    _hateList.ObjectAt(i).lastDistance = 0.0f;
  }
}

//
// Name:        Update()
// Parameters:  None
// Description: Updates HateListEntry_ts
//
void EnemyManager::Update()
{
  for (auto i = _hateList.NumObjects(); i > 0; i--)
  {
    auto listIndex = &_hateList.ObjectAt(i);

    //Check if enemy is alive
    if (!act->IsEntityAlive(listIndex->enemy))
    {
      if (listIndex->enemy == _currentEnemy)
        ClearCurrentEnemy();

      _hateList.RemoveObjectAt(i);
      continue;
    }

    UpdateDistance(listIndex);
    UpdateCanSee(listIndex);

    // Bump the player's action level, TODO: this needs to change to a general you have been targeted call sometime

    if (listIndex->enemy && listIndex->enemy->isSubclassOf(Player))
    {
      if (act->GetActorFlag(ACTOR_FLAG_UPDATE_ACTION_LEVEL))
      {
        dynamic_cast<Player *>(static_cast<Entity *>(listIndex->enemy))->IncreaseActionLevel(100);
      }
    }

    if (act->GetActorFlag(ACTOR_FLAG_UPDATE_HATE_WITH_ATTACKERS))
      UpdateAttackers(listIndex);

    /*if ( !act->combatSubsystem->CanAttackTarget( listIndex->enemy ) )
    {
    listIndex->hate = 0.0f;
    if ( listIndex->enemy == _currentEnemy )
    ClearCurrentEnemy();

    _hateList.RemoveObjectAt(i);
    }
    */


    //If we haven't seen 
    if (
      act->timeBetweenSleepChecks > 0.0f &&
      (listIndex->lastSightTime + act->timeBetweenSleepChecks <= level.time && !gi.inPVS(listIndex->enemy->centroid, act->centroid))
      )
    {
      if (listIndex->enemy == _currentEnemy && !_lockedOnCurrentEnemy)
        ClearCurrentEnemy();
      _hateList.RemoveObjectAt(i);
    }

  }
  // Try and go back to sleep
  TrySleep();


  //If we don't have an enemy, tell our senses to keep looking
  act->sensoryPerception->SenseEnemies();


  if (GetCurrentEnemy() || act->GetActorFlag(ACTOR_FLAG_INVESTIGATING) || act->mode == ActorModeScript || act->mode == ActorModeTalk)
    act->last_time_active = level.time;

  // Take care of enemies
  act->strategos->Evaluate();

}

//
// Name:        UpdateDistance
// Parameters:  HateListEntry_t -- The List Entry to update
// Description: Updates the distance of the enemy
//
void EnemyManager::UpdateDistance(HateListEntry_t *listIndex)
{
  Vector distance;

  //float distanceLength;

  if (!listIndex || !listIndex->enemy)
    return;

  Vector enemyDistance;
  enemyDistance = listIndex->enemy->origin;

  distance = enemyDistance - act->origin;
  //distanceLength = distance.length();

  listIndex->lastDistance = distance.length();

}

void EnemyManager::UpdateAttackers(HateListEntry_t *listIndex)
{
  if (_currentEnemy == listIndex->enemy)
    return;

  auto group = dynamic_cast<ActorGroup*>(groupcoordinator->GetGroup(act->GetGroupID()));
  if (!group)
    return;

  auto numberOfAttackers = group->CountMembersAttackingEnemy(listIndex->enemy);

  listIndex->hate = listIndex->hate / (numberOfAttackers + 1);

}

//
// Name:        UpdateCanSee
// Parameters:  HateListEntry_t -- The List Entry to update
// Description: Updates the cansee of the enemy
//
void EnemyManager::UpdateCanSee(HateListEntry_t *listIndex)
{
  if (!listIndex || listIndex->nextSightTime > level.time)
    return;

  qboolean canSee;
  canSee = act->sensoryPerception->CanSeeEntity(act, listIndex->enemy, true, true);

  // Notify Strategos of status change
  if (canSee != listIndex->canSee)
    act->strategos->NotifySightStatusChanged(listIndex->enemy, canSee);

  // Update the SightCheckTimes
  listIndex->canSee = canSee;

  // We use a faster delay for our current enemy than everyone else
  float next_sight_delay;
  if (listIndex->enemy == _currentEnemy)
    next_sight_delay = act->max_inactive_time / 5.0f + G_CRandom(0.5f);
  else
    next_sight_delay = MIN_SIGHT_DELAY + (act->max_inactive_time / 2.0f + G_CRandom(0.5f));

  if (next_sight_delay < 1.0f)
    next_sight_delay = 1.0f;

  listIndex->nextSightTime = level.time + next_sight_delay;

  if (canSee)
    listIndex->lastSightTime = level.time;

  if (listIndex->lastSightTime + act->max_inactive_time < level.time)
    ClearCurrentEnemy();
}


//
// Name:        LockOnCurrentEnemy
// Parameters:  qboolean lock
// Description: Sets the _lockedOnCurrentEnemy flag
//
void EnemyManager::LockOnCurrentEnemy(qboolean lock)
{
  _lockedOnCurrentEnemy = lock;
}

//
// Name:        IsLockedOnCurrentEnemy
// Parameters:  None
// Description: Returns the _lockedOnCurrentEnemy flag
//
qboolean EnemyManager::IsLockedOnCurrentEnemy()
{
  return _lockedOnCurrentEnemy;
}


Vector EnemyManager::GetAwayFromEnemies()
{


  Vector bestAwayVector;

  for (auto i = 1; i <= _hateList.NumObjects(); i++)
  {
    auto listIndex = _hateList.ObjectAt(i);
    auto enemy = listIndex.enemy;
    auto enemyToSelf = act->origin - enemy->origin;
    auto mag = enemyToSelf.lengthSquared();
    auto temp = enemyToSelf * (1 / mag);

    bestAwayVector = bestAwayVector + temp;
  }

  bestAwayVector.normalize();

  return bestAwayVector;
}

qboolean EnemyManager::InEnemyLineOfFire()
{
  if (!_currentEnemy)
    return false;

  auto angleDiff = 0.0f;

  auto enemyToSelf = act->origin - _currentEnemy->origin;
  enemyToSelf = enemyToSelf.toAngles();

  if (_currentEnemy->isSubclassOf(Actor))
  {
    auto enemyActor = dynamic_cast<Actor*>(static_cast<Entity*>(_currentEnemy));

    if (!enemyActor)
      return false;

    angleDiff = abs(int(AngleNormalize180(enemyActor->angles[YAW] - enemyToSelf[YAW])));
  }

  if (_currentEnemy->isSubclassOf(Player))
  {
    auto enemyPlayer = dynamic_cast<Player*>(static_cast<Entity*>(_currentEnemy));

    if (!enemyPlayer)
      return false;

    auto pAngles = enemyPlayer->GetVAngles();

    angleDiff = abs(int(AngleNormalize180(pAngles[YAW] - enemyToSelf[YAW])));

  }

  if (angleDiff < 10.0f)
    return true;

  return false;
}

float EnemyManager::GetDistanceFromEnemy()
{
  if (!_currentEnemy)
    return -1;

  auto selfToEnemy = _currentEnemy->origin - act->origin;

  return selfToEnemy.length();
}

//
// Name:       DoArchive
// Parameters: Archiver &arc -- The archiver object
//             Actor *actor  -- The actor
// Description: Sets the act pointer and calls Archive
//
void EnemyManager::DoArchive(Archiver &arc, Actor *actor)
{
  Archive(arc);
  if (actor)
    act = actor;
  else
    gi.Error(ERR_FATAL, "EnemyManager::DoArchive -- actor is NULL");
}

//
// Name:        Archive()
// Parameters:  Archiver &arc -- The archiver object
// Description: Archives the class
//
void EnemyManager::Archive(Archiver &arc)
{
  HateListEntry_t hateEntry;
  int32_t numEntries;

  if (arc.Saving())
  {
    numEntries = _hateList.NumObjects();
    arc.ArchiveInteger(&numEntries);

    for (auto i = 1; i <= numEntries; i++)
    {
      hateEntry = _hateList.ObjectAt(i);

      arc.ArchiveSafePointer(&hateEntry.enemy);
      arc.ArchiveFloat(&hateEntry.lastSightTime);
      arc.ArchiveFloat(&hateEntry.nextSightTime);
      arc.ArchiveBoolean(&hateEntry.canSee);
      arc.ArchiveFloat(&hateEntry.damageCaused);
      arc.ArchiveFloat(&hateEntry.hate);
      arc.ArchiveFloat(&hateEntry.lastDistance);
    }
  } else
  {
    arc.ArchiveInteger(&numEntries);

    _hateList.Resize(numEntries);

    for (auto i = 1; i <= numEntries; i++)
    {
      _hateList.AddObject(hateEntry);

      auto realHateEntry = &_hateList.ObjectAt(i);

      arc.ArchiveSafePointer(&realHateEntry->enemy);
      arc.ArchiveFloat(&realHateEntry->lastSightTime);
      arc.ArchiveFloat(&realHateEntry->nextSightTime);
      arc.ArchiveBoolean(&realHateEntry->canSee);
      arc.ArchiveFloat(&realHateEntry->damageCaused);
      arc.ArchiveFloat(&realHateEntry->hate);
      arc.ArchiveFloat(&realHateEntry->lastDistance);
    }
  }

  arc.ArchiveSafePointer(&_currentEnemy);
  arc.ArchiveSafePointer(&_lastEnemy);

  arc.ArchiveSafePointer(&_alternateTarget);

  arc.ArchiveBoolean(&_lockedOnCurrentEnemy);
  arc.ArchiveFloat(&_currentEnemyHate);
}

//----------------------------------------------------------------
// Name:			TrySleep
// Class:			EnemyManager
//
// Description:		Puts the actor to sleep if it can
//
// Parameters:		
//					None
//
// Returns:			None
//----------------------------------------------------------------
void EnemyManager::TrySleep(void)
{
  const Entity *currentEnemy = GetCurrentEnemy();
  // This is here because, if the ai gets turned off in the level, we don't want to go to sleep for if/when
  // the ai gets turned back on in the level
  if (!level.ai_on)
    act->last_time_active = level.time;

  // See if we should go back to sleep -- If max_inactive_time < 1 , then the actor will never go to sleep
  // If we DO have a max_inactive_time > 0 AND our last_time_active == 0 ( meaning it's our first time in here ) we
  // should go ahead and try to fall asleep even though we have hit our max_inactive_time
  if (!currentEnemy && act->max_inactive_time > 0.0f && act->last_time_active + act->max_inactive_time < level.time)
  {
    //Well, we haven't had an enemy for a while, so let's see if the player is nearby
    for (auto i = 0; i < game.maxclients; i++)
    {
      auto player = GetPlayer(i);

      if (player)
      {
        //We should NOT fall asleep if:
        // our mode is ActorModeIdle _AND_ player flags are not equal to FlagNotarget 
        // OR
        // Player is within our vision distance
        // OR
        // Player is within the PVS

        //
        // 7/15/02 -- SK
        // Added via && the "gi.inPVS( player->centroid, act->centroid )" to the ActorModeIdle 
        // checks because, without it, all AI_OFF'd actors would still be considered "active"
        // and this was ruining the framerate... I do not believe this is going to have any 
        // detrimental side effects. 
        //
        if (act->mode == ActorModeIdle && !(player->flags & FlagNotarget) && gi.inPVS(player->centroid, act->centroid) || act->sensoryPerception->WithinVisionDistance(player) || gi.inPVS(player->centroid, act->centroid))
        {
          act->last_time_active = level.time;
        }

        else
        {
          if (act->mode == ActorModeAi)
          {
            act->EndMode();

            act->Sleep();

            if (act->idle_thread.length() > 1)
            {
              ExecuteThread(act->idle_thread, false);
            }
          } else
          {
            act->Sleep();
          }
        }
      }
    }
  }
}

bool EnemyManager::IsAnyEnemyInRange(float range)
{
  for (auto i = _hateList.NumObjects(); i > 0; i--)
  {
    auto listIndex = &_hateList.ObjectAt(i);

    //Check if enemy is alive
    if (!act->IsEntityAlive(listIndex->enemy))
    {
      if (listIndex->enemy == _currentEnemy)
        ClearCurrentEnemy();

      _hateList.RemoveObjectAt(i);
      continue;
    }

    if (act->WithinDistance(listIndex->enemy, range))
      return true;

  }

  return false;

}

float EnemyManager::getEnemyCount()
{
  return _hateList.NumObjects();
}

bool EnemyManager::CanGetToEntity(Entity *ent)
{
  FindMovementPath	find;
  auto success = false;

  // Set up our pathing heuristics
  find.heuristic.self = act;
  find.heuristic.setSize(act->size);
  find.heuristic.entnum = act->entnum;

  auto path = find.FindPath(act->origin, ent->origin);

  if (path)
  {
    success = true;
  }

  delete path;
  return success;
}

bool EnemyManager::HasEnemy()
{
  if (_currentEnemy)
    return true;

  return false;
}