Files
tbd-station-14/Content.Server/NodeContainer/Nodes/AdjacentNode.cs
2021-06-09 22:19:39 +02:00

42 lines
1.4 KiB
C#

#nullable enable
using System.Collections.Generic;
using Robust.Shared.IoC;
using Robust.Shared.Map;
using Robust.Shared.Serialization.Manager.Attributes;
namespace Content.Server.NodeContainer.Nodes
{
/// <summary>
/// A <see cref="Node"/> that can reach other <see cref="AdjacentNode"/>s that are directly adjacent to it.
/// </summary>
[DataDefinition]
public class AdjacentNode : Node
{
protected override IEnumerable<Node> GetReachableNodes()
{
if (!Owner.Transform.Anchored)
yield break;
var grid = IoCManager.Resolve<IMapManager>().GetGrid(Owner.Transform.GridID);
var coords = Owner.Transform.Coordinates;
foreach (var cell in grid.GetCardinalNeighborCells(coords))
{
foreach (var entity in grid.GetLocal(Owner.EntityManager.GetEntity(cell).Transform.Coordinates))
{
if (!Owner.EntityManager.GetEntity(entity).TryGetComponent<NodeContainerComponent>(out var container))
continue;
foreach (var node in container.Nodes.Values)
{
if (node != null && node != this)
{
yield return node;
}
}
}
}
}
}
}