Add PostUiTick(). Happens after all other tickers. Useful for handling changes in the play side within the same tic.

src/events.cpp

@@ -515,6 +515,7 @@ DEFINE_EVENT_LOOPER(RenderFrame)
 DEFINE_EVENT_LOOPER(WorldLightning)
 DEFINE_EVENT_LOOPER(WorldTick)
 DEFINE_EVENT_LOOPER(UiTick)
+DEFINE_EVENT_LOOPER(PostUiTick)
 
 // declarations
 IMPLEMENT_CLASS(DStaticEventHandler, false, true);
@@ -648,6 +649,7 @@ DEFINE_EMPTY_HANDLER(DStaticEventHandler, PlayerDisconnected)
 DEFINE_EMPTY_HANDLER(DStaticEventHandler, UiProcess);
 DEFINE_EMPTY_HANDLER(DStaticEventHandler, InputProcess);
 DEFINE_EMPTY_HANDLER(DStaticEventHandler, UiTick);
+DEFINE_EMPTY_HANDLER(DStaticEventHandler, PostUiTick);
 
 DEFINE_EMPTY_HANDLER(DStaticEventHandler, ConsoleProcess);
 DEFINE_EMPTY_HANDLER(DStaticEventHandler, NetworkProcess);
@@ -1044,6 +1046,18 @@ void DStaticEventHandler::UiTick()
 	}
 }
 
+void DStaticEventHandler::PostUiTick()
+{
+	IFVIRTUAL(DStaticEventHandler, PostUiTick)
+	{
+		// don't create excessive DObjects if not going to be processed anyway
+		if (func == DStaticEventHandler_PostUiTick_VMPtr)
+			return;
+		VMValue params[1] = { (DStaticEventHandler*)this };
+		VMCall(func, params, 1, nullptr, 0);
+	}
+}
+
 void DStaticEventHandler::ConsoleProcess(int player, FString name, int arg1, int arg2, int arg3, bool manual)
 {
 	if (player < 0)

src/events.h

@@ -48,6 +48,8 @@ void E_WorldLightning();
 void E_WorldTick();
 // this executes on every tick on UI side, always
 void E_UiTick();
+// this executes on every tick on UI side, always AND immediately after everything else
+void E_PostUiTick();
 // called on each render frame once.
 void E_RenderFrame();
 // called after everything's been rendered, but before console/menus
@@ -157,6 +159,7 @@ public:
 	bool InputProcess(const event_t* ev);
 	bool UiProcess(const event_t* ev);
 	void UiTick();
+	void PostUiTick();
 	
 	// 
 	void ConsoleProcess(int player, FString name, int arg1, int arg2, int arg3, bool manual);

src/g_game.cpp

@@ -1256,6 +1256,9 @@ void G_Ticker ()
 	default:
 		break;
 	}
+
+	// [MK] Additional ticker for UI events right after all others
+	E_PostUiTick();
 }
 
 

wadsrc/static/zscript/events.txt

@@ -320,6 +320,7 @@ class StaticEventHandler : Object native play version("2.4")
     virtual native ui bool UiProcess(UiEvent e);
     virtual native ui bool InputProcess(InputEvent e);
     virtual native ui void UiTick();
+    virtual native ui void PostUiTick();
     
     //
     virtual native ui void ConsoleProcess(ConsoleEvent e);