/// <summary>
/// Sets region, x, and y, to be near entity.
/// Also randomizes direction.
/// </summary>
/// <param name="entity"></param>
/// <param name="range"></param>
public void SetLocationNear(Entity entity, int range)
{
var rnd = RandomProvider.Get();
var pos = entity.GetPosition();
var target = pos.GetRandomInRange(range, rnd);
var dir = (byte)rnd.Next(256);
this.SetLocation(entity.RegionId, target.X, target.Y);
this.Direction = dir;
}
/// <summary>
/// Returns all visible creatures in range of entity, excluding itself.
/// </summary>
/// <param name="range"></param>
/// <returns></returns>
public List<Creature> GetVisibleCreaturesInRange(Entity entity, int range = VisibleRange)
{
_creaturesRWLS.EnterReadLock();
try
{
return _creatures.Values.Where(a => a != entity && a.GetPosition().InRange(entity.GetPosition(), range) && !a.Conditions.Has(ConditionsA.Invisible)).ToList();
}
finally
{
_creaturesRWLS.ExitReadLock();
}
}
/// <summary>
/// Broadcasts packet to all creatures in range of source.
/// </summary>
public void Broadcast(Packet packet, Entity source, bool sendToSource = true, int range = -1)
{
if (range < 0)
range = VisibleRange;
var pos = source.GetPosition();
lock (_clients)
{
foreach (var client in _clients)
{
if (!client.Controlling.GetPosition().InRange(pos, range))
continue;
if (client.Controlling == source && !sendToSource)
continue;
client.Send(packet);
}
}
}
/// <summary>
/// Returns new list of all entities within range of source.
/// </summary>
public List<Entity> GetEntitiesInRange(Entity source, int range = -1)
{
if (range < 0)
range = VisibleRange;
var result = new List<Entity>();
_creaturesRWLS.EnterReadLock();
try
{
result.AddRange(_creatures.Values.Where(a => a.GetPosition().InRange(source.GetPosition(), range)));
}
finally
{
_creaturesRWLS.ExitReadLock();
}
_itemsRWLS.EnterReadLock();
try
{
result.AddRange(_items.Values.Where(a => a.GetPosition().InRange(source.GetPosition(), range)));
}
finally
{
_itemsRWLS.ExitReadLock();
}
_propsRWLS.EnterReadLock();
try
{
// All props are visible, but not all of them are in range.
result.AddRange(_props.Values.Where(a => a.GetPosition().InRange(source.GetPosition(), range) && a.ServerSide));
}
finally
{
_propsRWLS.ExitReadLock();
}
return result;
}
/// <summary>
/// Returns all visible creatures in range of entity, excluding itself.
/// </summary>
/// <param name="entity"></param>
/// <param name="range"></param>
/// <returns></returns>
public ICollection<Creature> GetVisibleCreaturesInRange(Entity entity, int range = VisibleRange)
{
return this.GetCreatures(a => a != entity && a.GetPosition().InRange(entity.GetPosition(), range) && !a.Conditions.Has(ConditionsA.Invisible));
}