Files
tbd-station-14/Content.Shared/Disposal/SharedDisposalUnitSystem.cs
2022-05-13 17:59:03 +10:00

83 lines
2.7 KiB
C#

using Content.Shared.Body.Components;
using Content.Shared.Disposal.Components;
using Content.Shared.DragDrop;
using Content.Shared.Item;
using Content.Shared.MobState.Components;
using Content.Shared.Throwing;
using JetBrains.Annotations;
using Robust.Shared.Physics;
using Robust.Shared.Physics.Dynamics;
using Robust.Shared.Timing;
namespace Content.Shared.Disposal
{
[UsedImplicitly]
public abstract class SharedDisposalUnitSystem : EntitySystem
{
[Dependency] protected readonly IGameTiming GameTiming = default!;
protected static TimeSpan ExitAttemptDelay = TimeSpan.FromSeconds(0.5);
// Percentage
public const float PressurePerSecond = 0.05f;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<SharedDisposalUnitComponent, PreventCollideEvent>(OnPreventCollide);
SubscribeLocalEvent<SharedDisposalUnitComponent, CanDragDropOnEvent>(OnCanDragDropOn);
}
private void OnPreventCollide(EntityUid uid, SharedDisposalUnitComponent component, PreventCollideEvent args)
{
var otherBody = args.BodyB.Owner;
// Items dropped shouldn't collide but items thrown should
if (EntityManager.HasComponent<SharedItemComponent>(otherBody) &&
!EntityManager.HasComponent<ThrownItemComponent>(otherBody))
{
args.Cancel();
return;
}
if (component.RecentlyEjected.Contains(otherBody))
{
args.Cancel();
}
}
private void OnCanDragDropOn(EntityUid uid, SharedDisposalUnitComponent component, CanDragDropOnEvent args)
{
if (args.Handled) return;
args.CanDrop = CanInsert(component, args.Dragged);
args.Handled = true;
}
public virtual bool CanInsert(SharedDisposalUnitComponent component, EntityUid entity)
{
if (!EntityManager.GetComponent<TransformComponent>(component.Owner).Anchored)
return false;
// TODO: Probably just need a disposable tag.
if (!EntityManager.TryGetComponent(entity, out SharedItemComponent? storable) &&
!EntityManager.HasComponent<SharedBodyComponent>(entity))
{
return false;
}
if (!EntityManager.TryGetComponent(entity, out IPhysBody? physics) ||
!physics.CanCollide && storable == null)
{
if (!(EntityManager.TryGetComponent(entity, out MobStateComponent? damageState) && damageState.IsDead()))
{
return false;
}
}
return true;
}
}
}