public override bool CanContinue()
{
var target = _entity.Target;
if (target == null)
{
return(false);
}
if (target.HealthManager.IsDead)
{
return(false);
}
if (!(target is Player))
{
if (_entity.DistanceTo(target) > _targetDistance)
{
return(false);
}
}
else
{
if (_entity.DistanceTo(target) > GetTargetDistance((Player)target))
{
return(false);
}
if (_entity.CanSee(target))
{
_targetUnseenTicks = 0;
}
else if (_targetUnseenTicks++ > 60)
{
return(false);
}
_entity.SetTarget(target); // This makes sense when we to attacked by targeting
}
return(true);
}
public override bool CanContinue()
{
// Give the poor entity a chance to survive
// Also makes it let go of unreachable targets
if (_entity.Level.Random.Next(_attackChance) == 0)
{
return(false);
}
var target = _entity.Target;
if (target == null)
{
return(false);
}
if (target.HealthManager.IsDead)
{
return(false);
}
if (_entity.DistanceTo(target) > _targetDistance)
{
return(false);
}
if (_entity.CanSee(target))
{
_targetUnseenTicks = 0;
}
else if (_targetUnseenTicks++ > 60)
{
return(false);
}
_entity.SetTarget(target); // This makes sense when we to attacked by targeting
return(true);
}
public override void OnTick(Entity[] entities)
{
Entity target = _entity.Target;
if (target == null)
{
return;
}
double distanceToPlayer = _entity.DistanceTo(target);
--_delay;
float deltaDistance = Vector3.Distance(_lastPlayerPos, target.KnownPosition);
bool canSee = _entity.CanSee(target);
if (canSee || _delay <= 0 || deltaDistance > 1 || _entity.Level.Random.NextDouble() < 0.05)
{
var pathfinder = new Pathfinder();
Stopwatch sw = Stopwatch.StartNew();
_currentPath = pathfinder.FindPath(_entity, target, _followRange);
if (Log.IsDebugEnabled)
{
sw.Stop();
if (sw.ElapsedMilliseconds > 5)
{
Log.Warn($"A* search for {_entity.GetType()} on a distance of {_followRange}. Spent {sw.ElapsedMilliseconds}ms and lenght of path is {_currentPath.Current.Count}");
}
// DEBUG
//_currentPath.PrintPath(_entity.Level);
}
_lastPlayerPos = target.KnownPosition;
_delay = 4 + _entity.Level.Random.Next(7);
if (distanceToPlayer > 32)
{
_delay += 10;
}
else if (distanceToPlayer > 16)
{
_delay += 5;
}
if (_currentPath.NoPath())
{
_delay += 15;
}
}
// Movement
if (_currentPath.HavePath())
{
if (_currentPath.GetNextTile(_entity, out Tile next /*, true*/))
{
_entity.Controller.RotateTowards(new Vector3(next.X + 0.5f, _entity.KnownPosition.Y, next.Y + 0.5f));
_entity.Controller.MoveForward(_speedMultiplier, entities);
} // else something is really wrong
}
else
{
_entity.Velocity = Vector3.Zero;
}
_entity.Controller.LookAt(target);
_attackCooldown = Math.Max(_attackCooldown - 1, 0);
if (_attackCooldown <= 0 && distanceToPlayer < GetAttackReach())
{
var damage = _entity.AttackDamage;
target.HealthManager.TakeHit(_entity, damage, DamageCause.EntityAttack);
_attackCooldown = 20;
}
}
