Airlock visuals (#7261)

Content.Shared/AirlockPainter/AirlockPainterEvents.cs

@@ -0,0 +1,32 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.AirlockPainter
+{
+    [Serializable, NetSerializable]
+    public enum AirlockPainterUiKey
+    {
+        Key,
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class AirlockPainterSpritePickedMessage : BoundUserInterfaceMessage
+    {
+        public int Index { get; }
+
+        public AirlockPainterSpritePickedMessage(int index)
+        {
+            Index = index;
+        }
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class AirlockPainterBoundUserInterfaceState : BoundUserInterfaceState
+    {
+        public int SelectedStyle { get; }
+
+        public AirlockPainterBoundUserInterfaceState(int selectedStyle)
+        {
+            SelectedStyle = selectedStyle;
+        }
+    }
+}

Content.Shared/AirlockPainter/Components/PaintableAirlockComponent.cs

@@ -0,0 +1,12 @@
+using Content.Shared.AirlockPainter.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.AirlockPainter
+{
+    [RegisterComponent]
+    public sealed class PaintableAirlockComponent : Component
+    {
+        [DataField("group", customTypeSerializer:typeof(PrototypeIdSerializer<AirlockGroupPrototype>))]
+        public string Group = default!;
+    }
+}

Content.Shared/AirlockPainter/Prototypes/AirlockGroupPrototype.cs

@@ -0,0 +1,20 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.AirlockPainter.Prototypes
+{
+    [Prototype("AirlockGroup")]
+    public sealed class AirlockGroupPrototype : IPrototype
+    {
+        [IdDataField]
+        public string ID { get; } = default!;
+
+        [DataField("stylePaths")]
+        public Dictionary<string, string> StylePaths = default!;
+
+        // The priority determines, which sprite is used when showing
+        // the icon for a style in the airlock painter UI. The highest priority
+        // gets shown.
+        [DataField("iconPriority")]
+        public int IconPriority = 0;
+    }
+}

Content.Shared/AirlockPainter/SharedAirlockPainterSystem.cs

@@ -0,0 +1,30 @@
+using System.Linq;
+using Content.Shared.AirlockPainter.Prototypes;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.AirlockPainter
+{
+    public abstract class SharedAirlockPainterSystem : EntitySystem
+    {
+        [Dependency] protected readonly IPrototypeManager _prototypeManager = default!;
+
+        public List<string> Styles { get; private set; } = new();
+        public List<AirlockGroupPrototype> Groups { get; private set; } = new();
+
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            HashSet<string> styles = new();
+            foreach (AirlockGroupPrototype grp in _prototypeManager.EnumeratePrototypes<AirlockGroupPrototype>())
+            {
+                Groups.Add(grp);
+                foreach (string style in grp.StylePaths.Keys)
+                {
+                    styles.Add(style);
+                }
+            }
+            Styles = styles.ToList();
+        }
+    }
+}

Content.Shared/Doors/Components/DoorComponent.cs

@@ -249,6 +249,7 @@ public enum DoorVisuals
     Powered,
     BoltLights,
     EmergencyLights,
+    BaseRSI,
 }
 
 [Serializable, NetSerializable]