[Feature] Система передачи из рук в руки (space-syndicate#780)

* up 1

* refactor

* Update alerts.yml

* fix popups

* Update SharedOfferItemSystem.cs

---------

Co-authored-by: Zack Backmen <backmen@bk.ru>

Content.Client/Backmen/OfferItem/OfferItemIndicatorsOverlay.cs

@@ -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.Backmen.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;
+
+    public override OverlaySpace Space => OverlaySpace.ScreenSpace;
+
+    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
+
+    public OfferItemIndicatorsOverlay(IInputManager input, IEntityManager entMan,
+            IEyeManager eye, OfferItemSystem offerSys)
+    {
+        _inputManager = input;
+        _entMan = entMan;
+        _eye = eye;
+        _offer = offerSys;
+
+        var spriteSys = _entMan.EntitySysManager.GetEntitySystem<SpriteSystem>();
+        _sight = spriteSys.Frame0(new SpriteSpecifier.Rsi(new ResPath("/Textures/Interface/Misc/give_item.rsi"),
+            "give_item"));
+    }
+
+    protected override bool BeforeDraw(in OverlayDrawArgs args)
+    {
+        if (!_offer.IsInOfferMode())
+            return false;
+
+        return base.BeforeDraw(in args);
+    }
+
+    protected override void Draw(in OverlayDrawArgs args)
+    {
+        var mouseScreenPosition = _inputManager.MouseScreenPosition;
+        var mousePosMap = _eye.PixelToMap(mouseScreenPosition);
+        if (mousePosMap.MapId != args.MapId)
+            return;
+
+
+        var mousePos = mouseScreenPosition.Position;
+        var uiScale = (args.ViewportControl as Control)?.UIScale ?? 1f;
+        var limitedScale = uiScale > 1.25f ? 1.25f : uiScale;
+
+        DrawSight(_sight, args.ScreenHandle, mousePos, limitedScale * _scale);
+    }
+
+    private void DrawSight(Texture sight, DrawingHandleScreen screen, Vector2 centerPos, float scale)
+    {
+        var sightSize = sight.Size * scale;
+        var expandedSize = sightSize + new Vector2(7f, 7f);
+
+        screen.DrawTextureRect(sight,
+            UIBox2.FromDimensions(centerPos - sightSize * 0.5f, sightSize), _strokeColor);
+        screen.DrawTextureRect(sight,
+            UIBox2.FromDimensions(centerPos - expandedSize * 0.5f, expandedSize), _mainColor);
+    }
+}

Content.Client/Backmen/OfferItem/OfferItemSystem.cs

@@ -0,0 +1,54 @@
+using Content.Shared.Backmen.OfferItem;
+using Content.Shared._CorvaxNext.NextVars;
+using Robust.Client.Graphics;
+using Robust.Client.Input;
+using Robust.Client.Player;
+using Robust.Shared.Configuration;
+
+namespace Content.Client.Backmen.OfferItem;
+
+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!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        Subs.CVar(_cfg, NextVars.OfferModeIndicatorsPointShow, OnShowOfferIndicatorsChanged, true);
+    }
+
+
+
+    public override void Shutdown()
+    {
+        _overlayManager.RemoveOverlay<OfferItemIndicatorsOverlay>();
+        base.Shutdown();
+    }
+
+    public bool IsInOfferMode()
+    {
+        var entity = _playerManager.LocalEntity;
+
+        if (entity == null)
+            return false;
+
+        return IsInOfferMode(entity.Value);
+    }
+    private void OnShowOfferIndicatorsChanged(bool isShow)
+    {
+        if (isShow)
+        {
+            _overlayManager.AddOverlay(new OfferItemIndicatorsOverlay(
+                _inputManager,
+                EntityManager,
+                _eye,
+                this));
+        }
+        else
+            _overlayManager.RemoveOverlay<OfferItemIndicatorsOverlay>();
+    }
+}

Content.Client/Input/ContentContexts.cs

@@ -84,6 +84,7 @@ public static void SetupContexts(IInputContextContainer contexts)
             human.AddFunction(ContentKeyFunctions.Arcade1);
             human.AddFunction(ContentKeyFunctions.Arcade2);
             human.AddFunction(ContentKeyFunctions.Arcade3);
+            human.AddFunction(ContentKeyFunctions.OfferItem); // Corvax-Next-Offer
 
             // actions should be common (for ghosts, mobs, etc)
             common.AddFunction(ContentKeyFunctions.OpenActionsMenu);

Content.Client/Options/UI/Tabs/KeyRebindTab.xaml.cs

@@ -184,7 +184,7 @@ void AddCheckBox(string checkBoxName, bool currentState, Action<BaseButton.Butto
             AddButton(ContentKeyFunctions.MoveStoredItem);
             AddButton(ContentKeyFunctions.RotateStoredItem);
             AddButton(ContentKeyFunctions.SaveItemLocation);
-
+            AddButton(ContentKeyFunctions.OfferItem); // Corvax-Next-Offer
             AddHeader("ui-options-header-interaction-adv");
             AddButton(ContentKeyFunctions.SmartEquipBackpack);
             AddButton(ContentKeyFunctions.SmartEquipBelt);

Content.Client/Options/UI/Tabs/MiscTab.xaml

@@ -22,6 +22,7 @@
                        StyleClasses="LabelKeyText"/>
                 <CheckBox Name="ShowHeldItemCheckBox" Text="{Loc 'ui-options-show-held-item'}" />
                 <CheckBox Name="ShowCombatModeIndicatorsCheckBox" Text="{Loc 'ui-options-show-combat-mode-indicators'}" />
+                <CheckBox Name="ShowOfferModeIndicatorsCheckBox" Text="{Loc 'ui-options-show-offer-mode-indicators'}" />
                 <Label Text="{Loc 'ui-options-general-storage'}"
                        StyleClasses="LabelKeyText"/>
                 <CheckBox Name="OpaqueStorageWindowCheckBox" Text="{Loc 'ui-options-opaque-storage-window'}" />

Content.Client/Options/UI/Tabs/MiscTab.xaml.cs

@@ -1,5 +1,6 @@
 using System.Linq;
 using Content.Client.UserInterface.Screens;
+using Content.Shared._CorvaxNext.NextVars;
 using Content.Shared.CCVar;
 using Content.Shared.HUD;
 using Robust.Client.AutoGenerated;
@@ -52,7 +53,7 @@ public MiscTab()
         Control.AddOptionCheckBox(CCVars.ChatEnableFancyBubbles, FancySpeechBubblesCheckBox);
         Control.AddOptionCheckBox(CCVars.ChatFancyNameBackground, FancyNameBackgroundsCheckBox);
         Control.AddOptionCheckBox(CCVars.StaticStorageUI, StaticStorageUI);
-
+        Control.AddOptionCheckBox(NextVars.OfferModeIndicatorsPointShow, ShowOfferModeIndicatorsCheckBox); // Corvax-Next-Offer
         Control.Initialize();
     }
 }

Content.Server/Backmen/OfferItem/OfferItemSystem.cs

@@ -0,0 +1,58 @@
+using Content.Shared.Alert;
+using Content.Shared.Backmen.OfferItem;
+using Content.Shared.Hands.Components;
+
+namespace Content.Server.Backmen.OfferItem;
+
+public sealed class OfferItemSystem : SharedOfferItemSystem
+{
+    [Dependency] private readonly AlertsSystem _alertsSystem = default!;
+
+    private float _offerAcc = 0;
+    private const float OfferAccMax = 3f;
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        _offerAcc += frameTime;
+        if (_offerAcc >= OfferAccMax)
+        {
+            _offerAcc -= OfferAccMax;
+        }
+        else
+        {
+            return;
+        }
+
+        var query = EntityQueryEnumerator<OfferItemComponent,HandsComponent>();
+        while (query.MoveNext(out var uid, out var offerItem, out var hands))
+        {
+            if (hands.ActiveHand == null)
+                continue;
+
+            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);
+            }
+
+            if (!offerItem.IsInReceiveMode)
+            {
+                _alertsSystem.ClearAlert(uid, OfferAlert);
+                continue;
+            }
+
+            _alertsSystem.ShowAlert(uid, OfferAlert);
+        }
+    }
+
+
+}

Content.Shared/Backmen/Alert/Click/AcceptingOffer.cs

@@ -0,0 +1,8 @@
+using Content.Shared.Alert;
+
+namespace Content.Shared.Backmen.Alert.Click;
+
+/// <summary>
+/// Accepting the offer and receive item
+/// </summary>
+public sealed partial class AcceptOfferAlertEvent : BaseAlertEvent;

Content.Shared/Backmen/OfferItem/OfferItemComponent.cs

@@ -0,0 +1,26 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Backmen.OfferItem;
+
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState(true)]
+[Access(typeof(SharedOfferItemSystem))]
+public sealed partial class OfferItemComponent : Component
+{
+    [ViewVariables(VVAccess.ReadWrite), DataField, AutoNetworkedField]
+    public bool IsInOfferMode;
+
+    [DataField, AutoNetworkedField]
+    public bool IsInReceiveMode;
+
+    [DataField, AutoNetworkedField]
+    public string? Hand;
+
+    [DataField, AutoNetworkedField]
+    public EntityUid? Item;
+
+    [DataField, AutoNetworkedField]
+    public EntityUid? Target;
+
+    [DataField]
+    public float MaxOfferDistance = 2f;
+}

Content.Shared/Backmen/OfferItem/SharedOfferItemSystem.Interactions.cs

@@ -0,0 +1,76 @@
+using Content.Shared.ActionBlocker;
+using Content.Shared.Hands.Components;
+using Content.Shared.Input;
+using Content.Shared.Popups;
+using Robust.Shared.Input.Binding;
+using Robust.Shared.Player;
+
+namespace Content.Shared.Backmen.OfferItem;
+
+public abstract partial class SharedOfferItemSystem
+{
+    [Dependency] private readonly ActionBlockerSystem _actionBlocker = default!;
+
+    private void InitializeInteractions()
+    {
+        CommandBinds.Builder
+            .Bind(ContentKeyFunctions.OfferItem, InputCmdHandler.FromDelegate(SetInOfferMode, handle: false, outsidePrediction: false))
+            .Register<SharedOfferItemSystem>();
+    }
+
+    public override void Shutdown()
+    {
+        base.Shutdown();
+
+        CommandBinds.Unregister<SharedOfferItemSystem>();
+    }
+
+    private void SetInOfferMode(ICommonSession? session)
+    {
+        if (!_timing.IsFirstTimePredicted)
+            return;
+
+        if (session is not { } playerSession)
+            return;
+
+        if ((playerSession.AttachedEntity is not { Valid: true } uid || !Exists(uid)) ||
+            !_actionBlocker.CanInteract(uid, null))
+            return;
+
+        if (!TryComp<OfferItemComponent>(uid, out var offerItem))
+            return;
+
+        if (!TryComp<HandsComponent>(uid, out var hands) || hands.ActiveHand == null)
+            return;
+
+        offerItem.Item = hands.ActiveHand.HeldEntity;
+
+        if (offerItem.IsInOfferMode == false)
+        {
+            if (offerItem.Item == null)
+            {
+                _popup.PopupEntity(Loc.GetString("offer-item-empty-hand"), uid, uid);
+                return;
+            }
+
+            if (offerItem.Hand == null || offerItem.Target == null)
+            {
+                offerItem.IsInOfferMode = true;
+                offerItem.Hand = hands.ActiveHand.Name;
+
+                Dirty(uid, offerItem);
+                return;
+            }
+        }
+
+        if (offerItem.Target != null)
+        {
+            UnReceive(offerItem.Target.Value, offerItem: offerItem);
+            offerItem.IsInOfferMode = false;
+            Dirty(uid, offerItem);
+            return;
+        }
+
+        UnOffer(uid, offerItem);
+    }
+}