Add navmap beacons (#19388)

Content.Shared/Pinpointer/NavMapBeaconComponent.cs

@@ -0,0 +1,19 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Pinpointer;
+
+/// <summary>
+/// Will show a marker on a NavMap.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class NavMapBeaconComponent : Component
+{
+    /// <summary>
+    /// Defaults to entity name if nothing found.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("text"), AutoNetworkedField]
+    public string? Text;
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("color"), AutoNetworkedField]
+    public Color Color = Color.Orange;
+}

Content.Shared/Pinpointer/NavMapComponent.cs

@@ -9,8 +9,14 @@ namespace Content.Shared.Pinpointer;
 [RegisterComponent, NetworkedComponent]
 public sealed partial class NavMapComponent : Component
 {
+    /*
+     * Don't need DataFields as this can be reconstructed
+     */
+
     [ViewVariables]
     public readonly Dictionary<Vector2i, NavMapChunk> Chunks = new();
+
+    [ViewVariables] public readonly List<SharedNavMapSystem.NavMapBeacon> Beacons = new();
 }
 
 public sealed class NavMapChunk

Content.Shared/Pinpointer/SharedNavMapSystem.cs

@@ -1,3 +1,4 @@
+using System.Numerics;
 using Robust.Shared.Serialization;
 using Robust.Shared.Utility;
 
@@ -34,12 +35,10 @@ public abstract class SharedNavMapSystem : EntitySystem
     protected sealed class NavMapComponentState : ComponentState
     {
         public Dictionary<Vector2i, int> TileData = new();
+
+        public List<NavMapBeacon> Beacons = new();
     }
 
     [Serializable, NetSerializable]
-    protected sealed class NavMapDiffComponentState : ComponentState
-    {
-        public Dictionary<Vector2i, int> TileData = new();
-        public List<Vector2i> RemovedChunks = new();
-    }
+    public readonly record struct NavMapBeacon(Color Color, string Text, Vector2 Position);
 }