Context steering for NPCs (#12915)

Content.Shared/NPC/Events/NPCSteeringDebugEvent.cs

@@ -0,0 +1,32 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.NPC.Events;
+
+/// <summary>
+/// Client debug data for NPC steering
+/// </summary>
+[Serializable, NetSerializable]
+public sealed class NPCSteeringDebugEvent : EntityEventArgs
+{
+    public List<NPCSteeringDebugData> Data;
+
+    public NPCSteeringDebugEvent(List<NPCSteeringDebugData> data)
+    {
+        Data = data;
+    }
+}
+
+[Serializable, NetSerializable]
+public readonly record struct NPCSteeringDebugData(
+    EntityUid EntityUid,
+    Vector2 Direction,
+    float[] Interest,
+    float[] Danger,
+    List<Vector2> DangerPoints)
+{
+    public readonly EntityUid EntityUid = EntityUid;
+    public readonly Vector2 Direction = Direction;
+    public readonly float[] Interest = Interest;
+    public readonly float[] Danger = Danger;
+    public readonly List<Vector2> DangerPoints = DangerPoints;
+}