Adds trash tag to more items. New component "TrashOnEmpty" (#10166)

Content.Server/Nutrition/Components/TrashOnEmptyComponent.cs

@@ -0,0 +1,16 @@
+namespace Content.Server.Nutrition.Components
+{
+    /// <summary>
+    /// Component that tags solution containers as trash when their contents have been emptied.
+    /// Used for things like used ketchup packets or used syringes.
+    /// </summary>
+    [RegisterComponent]
+    public sealed class TrashOnEmptyComponent : Component
+    {
+        /// <summary>
+        /// The name of the solution of which to check emptiness
+        /// </summary>
+        [ViewVariables] [DataField("solution")]
+        public string Solution { get; set; } = string.Empty;
+    }
+}

Content.Server/Nutrition/EntitySystems/TrashOnEmptySystem.cs

@@ -0,0 +1,53 @@
+using Content.Server.Chemistry.Components.SolutionManager;
+using Content.Server.Chemistry.EntitySystems;
+using Content.Server.Nutrition.Components;
+using Content.Shared.Chemistry.Components;
+using Content.Shared.Tag;
+
+namespace Content.Server.Nutrition.EntitySystems
+{
+    public sealed class TrashOnEmptySystem : EntitySystem
+    {
+        [Dependency] private readonly SolutionContainerSystem _solutionContainerSystem = default!;
+        [Dependency] private readonly TagSystem _tagSystem = default!;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            SubscribeLocalEvent<TrashOnEmptyComponent, ComponentStartup>(OnStartup);
+            SubscribeLocalEvent<TrashOnEmptyComponent, SolutionChangedEvent>(OnSolutionChange);
+        }
+
+        public void OnStartup(EntityUid uid, TrashOnEmptyComponent component, ComponentStartup args)
+        {
+            CheckSolutions(component);
+        }
+
+        public void OnSolutionChange(EntityUid uid, TrashOnEmptyComponent component, SolutionChangedEvent args)
+        {
+            CheckSolutions(component);
+        }
+
+        public void CheckSolutions(TrashOnEmptyComponent component)
+        {
+            EntityManager.EnsureComponent<TagComponent>(component.Owner);
+
+            if (!EntityManager.HasComponent<SolutionContainerManagerComponent>((component).Owner))
+                return;
+
+            if (_solutionContainerSystem.TryGetSolution(component.Owner, component.Solution, out var solution))
+                UpdateTags(component, solution);
+        }
+
+        public void UpdateTags(TrashOnEmptyComponent component, Solution solution)
+        {
+            if (solution.DrainAvailable <= 0)
+            {
+                _tagSystem.AddTag(component.Owner, "Trash");
+                return;
+            }
+            if (_tagSystem.HasTag(component.Owner, "Trash"))
+                _tagSystem.RemoveTag(component.Owner, "Trash");
+        }
+    }
+}

Resources/Prototypes/Entities/Objects/Consumable/Drinks/drinks_cans.yml

@@ -34,12 +34,11 @@
     - type: DrinkCanVisualizer
       stateClosed: icon
       stateOpen: icon_open
-  - type: Tag
-    tags:
-    - Trash
   - type: ItemCooldown
   - type: Recyclable
   - type: SpaceGarbage
+  - type: TrashOnEmpty
+    solution: drink
 
 - type: entity
   parent: DrinkCanBaseFull

Resources/Prototypes/Entities/Objects/Consumable/Drinks/drinks_cups.yml

@@ -174,6 +174,8 @@
         maxVol: 20
   - type: Sprite
     sprite: Objects/Consumable/Drinks/hot_coffee.rsi
+  - type: TrashOnEmpty
+    solution: drink
 
 - type: entity
   parent: DrinkBaseCup
@@ -191,6 +193,8 @@
   - type: Sprite
     sprite: Objects/Consumable/Drinks/teacup.rsi
     state: icon-1
+  - type: TrashOnEmpty
+    solution: drink
 
 - type: entity
   parent: DrinkBaseCup
@@ -210,6 +214,8 @@
     state: icon
   - type: Item
     sprite: Objects/Consumable/Drinks/lean.rsi
+  - type: TrashOnEmpty
+    solution: drink
 
 - type: entity
   parent: DrinkBaseCup
@@ -228,3 +234,5 @@
   - type: Sprite
     sprite: Objects/Consumable/Drinks/water_cup.rsi
     state: icon-1
+  - type: TrashOnEmpty
+    solution: drink

Resources/Prototypes/Entities/Objects/Consumable/Food/Containers/condiments.yml

@@ -33,6 +33,8 @@
   - type: Icon
     sprite: Objects/Consumable/Food/condiments.rsi
     state: packet-empty
+  - type: TrashOnEmpty
+    solution: food
 
 - type: entity
   parent: FoodCondimentPacket
@@ -357,6 +359,8 @@
     - type: SolutionContainerVisualizer
       maxFillLevels: 6
       fillBaseName: bottle-alpha-
+  - type: TrashOnEmpty
+    solution: food
 
 - type: entity
   parent: FoodCondimentBottle
@@ -501,6 +505,8 @@
     - type: SolutionContainerVisualizer
       maxFillLevels: 3
       fillBaseName: bottle-s-alpha-
+  - type: TrashOnEmpty
+    solution: food
 
 - type: entity
   parent: FoodCondimentBottleSmall

Resources/Prototypes/Entities/Objects/Consumable/Food/Containers/tin.yml

@@ -43,7 +43,9 @@
     sprite: Objects/Consumable/Food/snacks.rsi
     heldPrefix: packet
     size: 3
-
+  - type: Tag
+    tags:
+      - Trash
 # Tins
 
 # Need something that you can open these tins with. I suggest a prying or cutting tool.

Resources/Prototypes/Entities/Objects/Consumable/Food/produce.yml

@@ -489,6 +489,9 @@
     netsync: false
   - type: Item
     size: 1
+  - type: Tag
+    tags:
+      - Trash
 
 - type: entity
   name: onion

Resources/Prototypes/Entities/Objects/Specific/chemistry-bottles.yml

@@ -40,6 +40,8 @@
     sprite: Objects/Specific/Chemistry/beaker.rsi
   - type: Spillable
     solution: drink
+  - type: TrashOnEmpty
+    solution: drink
 
 - type: entity
   name: bottle

Resources/Prototypes/Entities/Objects/Specific/chemistry.yml

@@ -235,6 +235,8 @@
     injectOnly: false
   - type: Spillable
     solution: injector
+  - type: TrashOnEmpty
+    solution: injector
   - type: Appearance
     visuals:
       # this visualizer used for reagent inside