Files
tbd-station-14/Content.Server/Power/EntitySystems/CableVisSystem.cs
2022-06-20 10:14:35 +10:00

62 lines
2.0 KiB
C#

using Content.Server.NodeContainer;
using Content.Server.NodeContainer.EntitySystems;
using Content.Server.Power.Components;
using Content.Server.Power.Nodes;
using Content.Shared.Wires;
using JetBrains.Annotations;
using Robust.Shared.Map;
namespace Content.Server.Power.EntitySystems
{
[UsedImplicitly]
public sealed class CableVisSystem : EntitySystem
{
[Dependency] private readonly IMapManager _mapManager = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<CableVisComponent, NodeGroupsRebuilt>(UpdateAppearance);
}
private void UpdateAppearance(EntityUid uid, CableVisComponent cableVis, ref NodeGroupsRebuilt args)
{
if (cableVis.Node == null)
return;
if (!TryComp(uid, out NodeContainerComponent? nodeContainer) || !TryComp(uid, out AppearanceComponent? appearance))
return;
var transform = Transform(uid);
if (!_mapManager.TryGetGrid(transform.GridUid, out var grid))
return;
var mask = WireVisDirFlags.None;
var tile = grid.TileIndicesFor(transform.Coordinates);
var node = nodeContainer.GetNode<CableNode>(cableVis.Node);
foreach (var reachable in node.ReachableNodes)
{
if (reachable is not CableNode)
continue;
var otherTransform = Transform(reachable.Owner);
var otherTile = grid.TileIndicesFor(otherTransform.Coordinates);
var diff = otherTile - tile;
mask |= diff switch
{
(0, 1) => WireVisDirFlags.North,
(0, -1) => WireVisDirFlags.South,
(1, 0) => WireVisDirFlags.East,
(-1, 0) => WireVisDirFlags.West,
_ => WireVisDirFlags.None
};
}
appearance.SetData(WireVisVisuals.ConnectedMask, mask);
}
}
}