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Add Item Transfer System (Simple-Station#476)
# Description This PR adds the ability to transfer objects from one player's hand to another player's hand, as in SS13. I have little coding experience, so my solutions may not be ideal. --- # TODO - [x] Make the code work - [x] Add popup - [x] Write a summary of the code - [x] Сorrect inaccuracies <details><summary><h1>Media</h1></summary> <p> https://youtu.be/zTQWTsYm1gw </p> </details> --- # Changelog :cl: - add: Added system - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --------- Co-authored-by: Danger Revolution! <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| using System.Numerics; | ||
| using Robust.Client.GameObjects; | ||
| using Robust.Client.Graphics; | ||
| using Robust.Client.Input; | ||
| using Robust.Client.UserInterface; | ||
| using Robust.Shared.Enums; | ||
| using Robust.Shared.Utility; | ||
|
|
||
| namespace Content.Client.OfferItem; | ||
|
|
||
| public sealed class OfferItemIndicatorsOverlay : Overlay | ||
| { | ||
| private readonly IInputManager _inputManager; | ||
| private readonly IEntityManager _entMan; | ||
| private readonly IEyeManager _eye; | ||
| private readonly OfferItemSystem _offer; | ||
|
|
||
| private readonly Texture _sight; | ||
|
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| public override OverlaySpace Space => OverlaySpace.ScreenSpace; | ||
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| private readonly Color _mainColor = Color.White.WithAlpha(0.3f); | ||
| private readonly Color _strokeColor = Color.Black.WithAlpha(0.5f); | ||
| private readonly float _scale = 0.6f; // 1 is a little big | ||
|
|
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| public OfferItemIndicatorsOverlay(IInputManager input, IEntityManager entMan, | ||
| IEyeManager eye, OfferItemSystem offerSys) | ||
| { | ||
| _inputManager = input; | ||
| _entMan = entMan; | ||
| _eye = eye; | ||
| _offer = offerSys; | ||
|
|
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| var spriteSys = _entMan.EntitySysManager.GetEntitySystem<SpriteSystem>(); | ||
| _sight = spriteSys.Frame0(new SpriteSpecifier.Rsi(new ResPath("/Textures/Interface/Misc/give_item.rsi"), | ||
| "give_item")); | ||
| } | ||
|
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| protected override bool BeforeDraw(in OverlayDrawArgs args) | ||
| { | ||
| if (!_offer.IsInOfferMode()) | ||
| return false; | ||
|
|
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| return base.BeforeDraw(in args); | ||
| } | ||
|
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| protected override void Draw(in OverlayDrawArgs args) | ||
| { | ||
| var mouseScreenPosition = _inputManager.MouseScreenPosition; | ||
| var mousePosMap = _eye.PixelToMap(mouseScreenPosition); | ||
| if (mousePosMap.MapId != args.MapId) | ||
| return; | ||
|
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|
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| var mousePos = mouseScreenPosition.Position; | ||
| var uiScale = (args.ViewportControl as Control)?.UIScale ?? 1f; | ||
| var limitedScale = uiScale > 1.25f ? 1.25f : uiScale; | ||
|
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| DrawSight(_sight, args.ScreenHandle, mousePos, limitedScale * _scale); | ||
| } | ||
|
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| private void DrawSight(Texture sight, DrawingHandleScreen screen, Vector2 centerPos, float scale) | ||
| { | ||
| var sightSize = sight.Size * scale; | ||
| var expandedSize = sightSize + new Vector2(7f, 7f); | ||
|
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| screen.DrawTextureRect(sight, | ||
| UIBox2.FromDimensions(centerPos - sightSize * 0.5f, sightSize), _strokeColor); | ||
| screen.DrawTextureRect(sight, | ||
| UIBox2.FromDimensions(centerPos - expandedSize * 0.5f, expandedSize), _mainColor); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| using Content.Shared.CCVar; | ||
| using Content.Shared.OfferItem; | ||
| using Robust.Client.Graphics; | ||
| using Robust.Client.Input; | ||
| using Robust.Client.Player; | ||
| using Robust.Shared.Configuration; | ||
|
|
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| namespace Content.Client.OfferItem; | ||
|
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| public sealed class OfferItemSystem : SharedOfferItemSystem | ||
| { | ||
| [Dependency] private readonly IOverlayManager _overlayManager = default!; | ||
| [Dependency] private readonly IPlayerManager _playerManager = default!; | ||
| [Dependency] private readonly IConfigurationManager _cfg = default!; | ||
| [Dependency] private readonly IInputManager _inputManager = default!; | ||
| [Dependency] private readonly IEyeManager _eye = default!; | ||
|
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| public override void Initialize() | ||
| { | ||
| Subs.CVar(_cfg, CCVars.OfferModeIndicatorsPointShow, OnShowOfferIndicatorsChanged, true); | ||
| } | ||
| public override void Shutdown() | ||
| { | ||
| _overlayManager.RemoveOverlay<OfferItemIndicatorsOverlay>(); | ||
|
|
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| base.Shutdown(); | ||
| } | ||
|
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| public bool IsInOfferMode() | ||
| { | ||
| var entity = _playerManager.LocalEntity; | ||
|
|
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| if (entity == null) | ||
| return false; | ||
|
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| return IsInOfferMode(entity.Value); | ||
| } | ||
| private void OnShowOfferIndicatorsChanged(bool isShow) | ||
| { | ||
| if (isShow) | ||
| { | ||
| _overlayManager.AddOverlay(new OfferItemIndicatorsOverlay( | ||
| _inputManager, | ||
| EntityManager, | ||
| _eye, | ||
| this)); | ||
| } | ||
| else | ||
| _overlayManager.RemoveOverlay<OfferItemIndicatorsOverlay>(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| using Content.Shared.OfferItem; | ||
| using Content.Server.OfferItem; | ||
| using Content.Shared.Alert; | ||
| using JetBrains.Annotations; | ||
|
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| namespace Content.Server.Alert.Click; | ||
|
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| /// <summary> | ||
| /// Accepting the offer and receive item | ||
| /// </summary> | ||
| [UsedImplicitly] | ||
| [DataDefinition] | ||
| public sealed partial class AcceptOffer : IAlertClick | ||
| { | ||
| public void AlertClicked(EntityUid player) | ||
| { | ||
| var entManager = IoCManager.Resolve<IEntityManager>(); | ||
|
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| if (entManager.TryGetComponent(player, out OfferItemComponent? offerItem)) | ||
| { | ||
| entManager.System<OfferItemSystem>().Receive(player, offerItem); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| using Content.Server.Popups; | ||
| using Content.Shared.Hands.Components; | ||
| using Content.Shared.Alert; | ||
| using Content.Shared.Hands.EntitySystems; | ||
| using Content.Shared.OfferItem; | ||
| using Content.Shared.IdentityManagement; | ||
| using Robust.Shared.Player; | ||
|
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| namespace Content.Server.OfferItem; | ||
|
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| public sealed class OfferItemSystem : SharedOfferItemSystem | ||
| { | ||
| [Dependency] private readonly AlertsSystem _alertsSystem = default!; | ||
| [Dependency] private readonly SharedHandsSystem _hands = default!; | ||
| [Dependency] private readonly PopupSystem _popup = default!; | ||
|
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| public override void Update(float frameTime) | ||
| { | ||
| base.Update(frameTime); | ||
|
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| var query = EntityQueryEnumerator<OfferItemComponent>(); | ||
| while (query.MoveNext(out var uid, out var offerItem)) | ||
| { | ||
| if (!TryComp<HandsComponent>(uid, out var hands) || hands.ActiveHand == null) | ||
| continue; | ||
|
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| if (offerItem.Hand != null && | ||
| hands.Hands[offerItem.Hand].HeldEntity == null) | ||
| { | ||
| if (offerItem.Target != null) | ||
| { | ||
| UnReceive(offerItem.Target.Value, offerItem: offerItem); | ||
| offerItem.IsInOfferMode = false; | ||
| Dirty(uid, offerItem); | ||
| } | ||
| else | ||
| UnOffer(uid, offerItem); | ||
| } | ||
|
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| if (!offerItem.IsInReceiveMode) | ||
| { | ||
| _alertsSystem.ClearAlert(uid, AlertType.Offer); | ||
| continue; | ||
| } | ||
|
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| _alertsSystem.ShowAlert(uid, AlertType.Offer); | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Accepting the offer and receive item | ||
| /// </summary> | ||
| public void Receive(EntityUid uid, OfferItemComponent? component = null) | ||
| { | ||
| if (!Resolve(uid, ref component) || | ||
| !TryComp<OfferItemComponent>(component.Target, out var offerItem) || | ||
| offerItem.Hand == null || | ||
| component.Target == null || | ||
| !TryComp<HandsComponent>(uid, out var hands)) | ||
| return; | ||
|
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| if (offerItem.Item != null) | ||
| { | ||
| if (!_hands.TryPickup(uid, offerItem.Item.Value, handsComp: hands)) | ||
| { | ||
| _popup.PopupEntity(Loc.GetString("offer-item-full-hand"), uid, uid); | ||
| return; | ||
| } | ||
|
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| _popup.PopupEntity(Loc.GetString("offer-item-give", | ||
| ("item", Identity.Entity(offerItem.Item.Value, EntityManager)), | ||
| ("target", Identity.Entity(uid, EntityManager))), component.Target.Value, component.Target.Value); | ||
| _popup.PopupEntity(Loc.GetString("offer-item-give-other", | ||
| ("user", Identity.Entity(component.Target.Value, EntityManager)), | ||
| ("item", Identity.Entity(offerItem.Item.Value, EntityManager)), | ||
| ("target", Identity.Entity(uid, EntityManager))) | ||
| , component.Target.Value, Filter.PvsExcept(component.Target.Value, entityManager: EntityManager), true); | ||
| } | ||
|
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| offerItem.Item = null; | ||
| UnReceive(uid, component, offerItem); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -52,7 +52,8 @@ public enum AlertType : byte | |
| SuitPower, | ||
| BorgHealth, | ||
| BorgCrit, | ||
| BorgDead | ||
| BorgDead, | ||
| Offer, | ||
| } | ||
|
|
||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| using Robust.Shared.GameStates; | ||
|
|
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| namespace Content.Shared.OfferItem; | ||
|
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| [RegisterComponent, NetworkedComponent, AutoGenerateComponentState(true)] | ||
| [Access(typeof(SharedOfferItemSystem))] | ||
| public sealed partial class OfferItemComponent : Component | ||
| { | ||
| [ViewVariables(VVAccess.ReadWrite), DataField, AutoNetworkedField] | ||
| public bool IsInOfferMode; | ||
|
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| [DataField, AutoNetworkedField] | ||
| public bool IsInReceiveMode; | ||
|
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| [DataField, AutoNetworkedField] | ||
| public string? Hand; | ||
|
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| [DataField, AutoNetworkedField] | ||
| public EntityUid? Item; | ||
|
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| [DataField, AutoNetworkedField] | ||
| public EntityUid? Target; | ||
|
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| [DataField] | ||
| public float MaxOfferDistance = 2f; | ||
| } |
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