85 lines
3.3 KiB
C#
85 lines
3.3 KiB
C#
using Content.Shared.Inventory.Events;
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using Content.Shared.Verbs;
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using Robust.Shared.Containers;
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using Robust.Shared.GameObjects;
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using Robust.Shared.GameStates;
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using Robust.Shared.Localization;
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using System;
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namespace Content.Shared.Item
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{
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public abstract class SharedItemSystem : EntitySystem
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{
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<SharedItemComponent, GetVerbsEvent<InteractionVerb>>(AddPickupVerb);
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SubscribeLocalEvent<SharedSpriteComponent, GotEquippedEvent>(OnEquipped);
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SubscribeLocalEvent<SharedSpriteComponent, GotUnequippedEvent>(OnUnequipped);
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SubscribeLocalEvent<SharedItemComponent, ComponentGetState>(OnGetState);
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SubscribeLocalEvent<SharedItemComponent, ComponentHandleState>(OnHandleState);
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}
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private void OnHandleState(EntityUid uid, SharedItemComponent component, ref ComponentHandleState args)
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{
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if (args.Current is not ItemComponentState state)
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return;
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component.Size = state.Size;
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component.EquippedPrefix = state.EquippedPrefix;
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}
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private void OnGetState(EntityUid uid, SharedItemComponent component, ref ComponentGetState args)
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{
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args.State = new ItemComponentState(component.Size, component.EquippedPrefix);
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}
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// Although netsync is being set to false for items client can still update these
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// Realistically:
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// Container should already hide these
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// Client is the only thing that matters.
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private void OnUnequipped(EntityUid uid, SharedSpriteComponent component, GotUnequippedEvent args)
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{
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component.Visible = true;
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}
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private void OnEquipped(EntityUid uid, SharedSpriteComponent component, GotEquippedEvent args)
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{
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component.Visible = false;
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}
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private void AddPickupVerb(EntityUid uid, SharedItemComponent component, GetVerbsEvent<InteractionVerb> args)
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{
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if (args.Hands == null ||
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args.Using != null ||
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!args.CanAccess ||
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!args.CanInteract ||
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!args.Hands.CanPickupEntityToActiveHand(args.Target))
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return;
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InteractionVerb verb = new();
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verb.Act = () => args.Hands.TryPickupEntityToActiveHand(args.Target);
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verb.IconTexture = "/Textures/Interface/VerbIcons/pickup.svg.192dpi.png";
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// if the item already in a container (that is not the same as the user's), then change the text.
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// this occurs when the item is in their inventory or in an open backpack
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args.User.TryGetContainer(out var userContainer);
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if (args.Target.TryGetContainer(out var container) && container != userContainer)
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verb.Text = Loc.GetString("pick-up-verb-get-data-text-inventory");
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else
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verb.Text = Loc.GetString("pick-up-verb-get-data-text");
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args.Verbs.Add(verb);
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}
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/// <summary>
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/// Notifies any entity that is holding or wearing this item that they may need to update their sprite.
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/// </summary>
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public virtual void VisualsChanged(EntityUid owner, SharedItemComponent? item = null)
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{ }
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}
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}
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