Files
tbd-station-14/Content.Server/Construction/Conditions/ComponentInTile.cs
2021-02-04 17:44:49 +01:00

63 lines
2.0 KiB
C#

using System.Threading.Tasks;
using Content.Shared.Construction;
using Content.Shared.Maps;
using JetBrains.Annotations;
using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Interfaces.Map;
using Robust.Shared.Interfaces.Serialization;
using Robust.Shared.IoC;
using Robust.Shared.Serialization;
namespace Content.Server.Construction.Conditions
{
/// <summary>
/// Makes the condition fail if any entities on a tile have (or not) a component.
/// </summary>
[UsedImplicitly]
public class ComponentInTile : IEdgeCondition
{
[Dependency] private readonly IComponentFactory _componentFactory = default!;
[Dependency] private readonly IMapManager _mapManager = default!;
public ComponentInTile()
{
IoCManager.InjectDependencies(this);
}
void IExposeData.ExposeData(ObjectSerializer serializer)
{
serializer.DataField(this, x => x.Component, "component", string.Empty);
serializer.DataField(this, x => x.HasEntity, "hasEntity", true);
}
/// <summary>
/// If true, any entity on the tile must have the component.
/// If false, no entity on the tile must have the component.
/// </summary>
public bool HasEntity { get; private set; }
/// <summary>
/// The component name in question.
/// </summary>
public string Component { get; private set; }
public async Task<bool> Condition(IEntity entity)
{
if (string.IsNullOrEmpty(Component)) return false;
var type = _componentFactory.GetRegistration(Component).Type;
var indices = entity.Transform.Coordinates.ToVector2i(entity.EntityManager, _mapManager);
var entities = indices.GetEntitiesInTile(entity.Transform.GridID, true, entity.EntityManager);
foreach (var ent in entities)
{
if (ent.HasComponent(type))
return HasEntity;
}
return !HasEntity;
}
}
}