ECS usedelay (#6348)

Content.Server/Interaction/InteractionSystem.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading.Tasks;
 using Content.Server.Administration.Logs;
@@ -7,6 +6,7 @@ using Content.Server.CombatMode;
 using Content.Server.Hands.Components;
 using Content.Server.Pulling;
 using Content.Server.Storage.Components;
+using Content.Server.Timing;
 using Content.Shared.ActionBlocker;
 using Content.Shared.Database;
 using Content.Shared.DragDrop;
@@ -14,18 +14,16 @@ using Content.Shared.Input;
 using Content.Shared.Interaction;
 using Content.Shared.Interaction.Helpers;
 using Content.Shared.Item;
-using Content.Shared.Popups;
 using Content.Shared.Pulling.Components;
+using Content.Shared.Timing;
 using Content.Shared.Weapons.Melee;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
-using Robust.Server.Player;
 using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Input;
 using Robust.Shared.Input.Binding;
 using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 using Robust.Shared.Log;
 using Robust.Shared.Map;
 using Robust.Shared.Players;
@@ -41,6 +39,7 @@ namespace Content.Server.Interaction
         [Dependency] private readonly ActionBlockerSystem _actionBlockerSystem = default!;
         [Dependency] private readonly PullingSystem _pullSystem = default!;
         [Dependency] private readonly AdminLogSystem _adminLogSystem = default!;
+        [Dependency] private readonly UseDelaySystem _useDelay = default!;
 
         public override void Initialize()
         {
@@ -87,6 +86,11 @@ namespace Content.Server.Interaction
             return storage.SubscribedSessions.Contains(actor.PlayerSession);
         }
 
+        protected override void BeginDelay(UseDelayComponent? component = null)
+        {
+            _useDelay.BeginDelay(component);
+        }
+
         #region Drag drop
         private void HandleDragDropRequestEvent(DragDropRequestEvent msg, EntitySessionEventArgs args)
         {

Content.Server/Nutrition/EntitySystems/FoodSystem.cs

@@ -202,7 +202,7 @@ namespace Content.Server.Nutrition.EntitySystems
             }
 
             if (string.IsNullOrEmpty(food.TrashPrototype))
-                EntityManager.QueueDeleteEntity((food).Owner);
+                EntityManager.QueueDeleteEntity(food.Owner);
             else
                 DeleteAndSpawnTrash(food, user);
 
@@ -231,7 +231,7 @@ namespace Content.Server.Nutrition.EntitySystems
                 return;
             }
 
-            EntityManager.QueueDeleteEntity((component).Owner);
+            EntityManager.QueueDeleteEntity(component.Owner);
         }
 
         private void AddEatVerb(EntityUid uid, FoodComponent component, GetInteractionVerbsEvent ev)

Content.Server/Timing/UseDelaySystem.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using Content.Shared.Cooldown;
+using Content.Shared.Timing;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Timing;
+using Robust.Shared.Utility;
+
+namespace Content.Server.Timing;
+
+public sealed class UseDelaySystem : EntitySystem
+{
+    [Dependency] private readonly IGameTiming _gameTiming = default!;
+
+    private HashSet<UseDelayComponent> _activeDelays = new();
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        var toRemove = new RemQueue<UseDelayComponent>();
+
+        foreach (var delay in _activeDelays)
+        {
+            MetaDataComponent? metaData = null;
+
+            if (Deleted(delay.Owner, metaData) ||
+                delay.CancellationTokenSource?.Token.IsCancellationRequested == true)
+            {
+                toRemove.Add(delay);
+                continue;
+            }
+
+            if (Paused(delay.Owner, metaData)) continue;
+
+            delay.Elapsed += frameTime;
+
+            if (delay.Elapsed < delay.Delay) continue;
+
+            toRemove.Add(delay);
+
+        }
+
+        foreach (var delay in toRemove)
+        {
+            delay.CancellationTokenSource = null;
+            delay.Elapsed = 0f;
+            _activeDelays.Remove(delay);
+        }
+    }
+
+    public void BeginDelay(UseDelayComponent? component = null)
+    {
+        if (component == null ||
+            component.ActiveDelay ||
+            Deleted(component.Owner)) return;
+
+        component.CancellationTokenSource = new CancellationTokenSource();
+
+        DebugTools.Assert(!_activeDelays.Contains(component));
+        _activeDelays.Add(component);
+
+        var currentTime = _gameTiming.CurTime;
+        component.LastUseTime = currentTime;
+
+        var cooldown = EnsureComp<ItemCooldownComponent>(component.Owner);
+        cooldown.CooldownStart = currentTime;
+        cooldown.CooldownEnd = currentTime + TimeSpan.FromSeconds(component.Delay);
+    }
+
+    public void Cancel(UseDelayComponent component)
+    {
+        component.CancellationTokenSource?.Cancel();
+        component.CancellationTokenSource = null;
+
+        if (TryComp<ItemCooldownComponent>(component.Owner, out var cooldown))
+        {
+            cooldown.CooldownEnd = _gameTiming.CurTime;
+        }
+    }
+
+    public void Restart(UseDelayComponent component)
+    {
+        component.CancellationTokenSource?.Cancel();
+        component.CancellationTokenSource = null;
+        BeginDelay(component);
+    }
+}