100 lines
3.6 KiB
C#
100 lines
3.6 KiB
C#
using Content.Server.Labels.Components;
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using Content.Server.Paper;
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using Content.Shared.Containers.ItemSlots;
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using Content.Shared.Examine;
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using Content.Shared.Labels;
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using JetBrains.Annotations;
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using Robust.Shared.Containers;
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using Robust.Shared.Utility;
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namespace Content.Server.Labels
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{
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/// <summary>
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/// A system that lets players see the contents of a label on an object.
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/// </summary>
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[UsedImplicitly]
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public sealed class LabelSystem : EntitySystem
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{
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[Dependency] private readonly ItemSlotsSystem _itemSlotsSystem = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<LabelComponent, ExaminedEvent>(OnExamine);
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SubscribeLocalEvent<PaperLabelComponent, ComponentInit>(OnComponentInit);
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SubscribeLocalEvent<PaperLabelComponent, ComponentRemove>(OnComponentRemove);
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SubscribeLocalEvent<PaperLabelComponent, EntInsertedIntoContainerMessage>(OnContainerModified);
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SubscribeLocalEvent<PaperLabelComponent, EntRemovedFromContainerMessage>(OnContainerModified);
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SubscribeLocalEvent<PaperLabelComponent, ExaminedEvent>(OnExamined);
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}
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private void OnComponentInit(EntityUid uid, PaperLabelComponent component, ComponentInit args)
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{
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_itemSlotsSystem.AddItemSlot(uid, component.Name, component.LabelSlot);
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if (!EntityManager.TryGetComponent(uid, out AppearanceComponent? appearance))
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return;
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appearance.SetData(PaperLabelVisuals.HasLabel, false);
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}
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private void OnComponentRemove(EntityUid uid, PaperLabelComponent component, ComponentRemove args)
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{
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_itemSlotsSystem.RemoveItemSlot(uid, component.LabelSlot);
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}
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private void OnExamine(EntityUid uid, LabelComponent? label, ExaminedEvent args)
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{
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if (!Resolve(uid, ref label))
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return;
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if (label.CurrentLabel == null)
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return;
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var message = new FormattedMessage();
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message.AddText(Loc.GetString("hand-labeler-has-label", ("label", label.CurrentLabel)));
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args.PushMessage(message);
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}
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private void OnExamined(EntityUid uid, PaperLabelComponent comp, ExaminedEvent args)
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{
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if (comp.LabelSlot.Item is not {Valid: true} item)
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return;
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if (!args.IsInDetailsRange)
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{
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args.PushMarkup(Loc.GetString("comp-paper-label-has-label-cant-read"));
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return;
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}
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if (!EntityManager.TryGetComponent(item, out PaperComponent? paper))
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// Assuming yaml has the correct entity whitelist, this should not happen.
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return;
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if (string.IsNullOrWhiteSpace(paper.Content))
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{
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args.PushMarkup(Loc.GetString("comp-paper-label-has-label-blank"));
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return;
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}
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args.PushMarkup(Loc.GetString("comp-paper-label-has-label"));
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var text = paper.Content;
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args.PushMarkup(text.TrimEnd());
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}
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private void OnContainerModified(EntityUid uid, PaperLabelComponent label, ContainerModifiedMessage args)
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{
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if (!label.Initialized) return;
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if (args.Container.ID != label.LabelSlot.ID)
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return;
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if (!EntityManager.TryGetComponent(uid, out AppearanceComponent? appearance))
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return;
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appearance.SetData(PaperLabelVisuals.HasLabel, label.LabelSlot.HasItem);
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}
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}
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}
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