Add EntityRenamed engine MessageType.

Subscribe NameIcon to the EntityRenamed message so it will update the cached name if it changes.

Author: behindcurtain3

Pulsar4X/GameEngine/Engine/Messaging/MessageTypes.cs

@@ -8,5 +8,6 @@ public enum MessageTypes
     EntityRevealed,
     DBAdded,
     DBRemoved,
-    StarSystemRevealed
+    StarSystemRevealed,
+    EntityRenamed
 }

Pulsar4X/GameEngine/Names/NameDB.cs

@@ -3,6 +3,7 @@
 using System.Diagnostics;
 using Pulsar4X.Engine;
 using Pulsar4X.Datablobs;
+using Pulsar4X.Messaging;
 using Pulsar4X.Sensors;
 
 namespace Pulsar4X.Names
@@ -79,6 +80,12 @@ public string GetName(Entity requestingFaction)
         public void SetName(int requestingFaction, string specifiedName)
         {
             _names[requestingFaction] = specifiedName;
+
+            MessagePublisher.Instance.Publish(
+                Message.Create(
+                    MessageTypes.EntityRenamed,
+                    OwningEntity?.Id,
+                    factionId: requestingFaction));
         }
 
         public BaseDataBlob SensorClone(SensorInfoDB sensorInfo)
@@ -94,6 +101,11 @@ public void SensorUpdate(SensorInfoDB sensorInfo)
         internal void SetDefaultName(string name)
         {
             _names[-1] = name;
+
+            MessagePublisher.Instance.Publish(
+                Message.Create(
+                    MessageTypes.EntityRenamed,
+                    OwningEntity?.Id));
         }
 
         NameDB(NameDB db, SensorInfoDB sensorInfo)

Pulsar4X/Pulsar4X.Client/Rendering/Icons/NameIcon.cs

@@ -1,12 +1,14 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 using ImGuiNET;
 using Pulsar4X.Engine;
 using SDL3;
 using System.Numerics;
 using Pulsar4X.Client.Interface.Widgets;
 using Pulsar4X.JumpPoints;
+using Pulsar4X.Messaging;
 using Pulsar4X.Names;
 using Pulsar4X.Movement;
 using Pulsar4X.Client.Interface;
@@ -55,6 +57,17 @@ public NameIcon(EntityState entityState, NameDB nameDB, PositionDB positionDB, G
             {
                 TextDisplayColor = Styles.BadColor;
             }
+
+            // Subscribe to name changes
+            Func<Message, bool> filterById = msg => msg.EntityId == entityState.Entity.Id;
+            MessagePublisher.Instance.Subscribe(MessageTypes.EntityRenamed, OnEntityRenamed, filterById);
+        }
+
+        private Task OnEntityRenamed(Message message)
+        {
+            NameString = _nameDB.GetName(_state.Faction?.Id ?? Game.NeutralFactionId);
+            EntityState.Name = NameString;
+            return Task.CompletedTask;
         }