correct update

client/ClientNetPackVisitors.h

@@ -104,6 +104,7 @@ public:
 	void visitSetAvailableArtifacts(SetAvailableArtifacts & pack) override;
 	void visitEntitiesChanged(EntitiesChanged & pack) override;
 	void visitPlayerCheated(PlayerCheated & pack) override;
+	void visitChangeTownName(ChangeTownName & pack) override;
 };
 
 class ApplyFirstClientNetPackVisitor : public VCMI_LIB_WRAP_NAMESPACE(ICPackVisitor)

client/NetPacksClient.cpp

@@ -1071,3 +1071,16 @@ void ApplyClientNetPackVisitor::visitPlayerCheated(PlayerCheated & pack)
 	if(pack.colorScheme != ColorScheme::KEEP && vstd::contains(cl.playerint, pack.player))
 		cl.playerint[pack.player]->setColorScheme(pack.colorScheme);
 }
+
+void ApplyClientNetPackVisitor::visitChangeTownName(ChangeTownName & pack)
+{
+	if(!adventureInt)
+		return;
+
+	const CGTownInstance *town = gs.getTown(pack.tid);
+	if(town)
+	{
+		adventureInt->onTownChanged(town);
+		ENGINE->windows().totalRedraw();
+	}
+}

client/windows/CCastleInterface.cpp

@@ -1438,6 +1438,9 @@ CCastleInterface::CCastleInterface(const CGTownInstance * Town, const CGTownInst
 	heroes = std::make_shared<HeroSlots>(town, Point(241, 387), Point(241, 483), garr, true);
 	title = std::make_shared<CTextInputWithConfirm>(Rect(83, 386, 140, 20), FONT_MEDIUM, ETextAlignment::TOPLEFT, town->getNameTranslated(), true, [this](){ 
 		std::string name = title->getText();
+		std::string originalName = LIBRARY->generaltexth->translate(town->getNameTextID());
+		if(name == originalName)
+			name = ""; // use textID again
 		GAME->interface()->cb->setTownName(town, name);
 	});
 	income = std::make_shared<CLabel>(195, 443, FONT_SMALL, ETextAlignment::CENTER);