- fixed recursion issue with menu and CON scripting.

Curse all those busy loops in the engine.

source/build/src/engine.cpp

@@ -10040,8 +10040,22 @@ void DrawFullscreenBlends();
 //
 void videoNextPage(void)
 {
+	static bool recursion;
     permfifotype *per;
 
+	if (!recursion)
+	{
+		// This protection is needed because the menu can call scripts and the scripts can call the busy-looping Screen_Play script event
+		// which calls videoNextPage for page flipping again. In this loop the UI drawers may not get called again.
+		// Ideally this stuff should be moved out of videoNextPage so that all those busy loops won't call UI overlays at all.
+		recursion = true;
+		M_Drawer();
+		FStat::PrintStat();
+		C_DrawConsole();
+		recursion = false;
+	}
+
+
     if (in3dmode())
     {
 		// software rendering only
@@ -10058,25 +10072,13 @@ void videoNextPage(void)
 
 		g_beforeSwapTime = timerGetHiTicks();
 
-		// Draw the ImGui menu on top of the game content, but below the console (if open.)
-		if (GUICapture & 6)
-		{
-			ImGui::Render();
-			GLInterface.DrawImGui(ImGui::GetDrawData());
-			GUICapture &= ~4;
-		}
-
 		// Draw the console plus debug output on top of everything else.
 		DrawFullscreenBlends();
-		M_Drawer();
-		FStat::PrintStat(); 
-		C_DrawConsole();
 		GLInterface.Draw2D(&twod);
 
 
 		videoShowFrame(0);
 
-		// software rendering only
 		videoBeginDrawing(); //{{{
         for (bssize_t i=permtail; i!=permhead; i=((i+1)&(MAXPERMS-1)))
         {

source/duke3d/src/gameexec.cpp

@@ -40,6 +40,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "menu/menu.h"
 
 #include "debugbreak.h"
+extern bool rotatesprite_2doverride;
 
 BEGIN_DUKE_NS
 
@@ -1219,13 +1220,17 @@ LUNATIC_EXTERN void G_ShowView(vec3_t vec, fix16_t a, fix16_t horiz, int sect, i
     renderSetAspect(viewingRange, yxAspect);
 }
 
+
 void Screen_Play(void)
 {
     bool running = true;
 
     I_ClearAllInput();
 
-    do
+	// This needs to be disabled during the loop.
+	auto r2dover = rotatesprite_2doverride;
+	rotatesprite_2doverride = false;
+	do
     {
         gameHandleEvents();
 
@@ -1242,6 +1247,7 @@ void Screen_Play(void)
         videoNextPage();
         I_ClearAllInput();
     } while (running);
+	rotatesprite_2doverride = r2dover;
 }
 
 #if !defined LUNATIC

source/rr/src/gameexec.cpp

@@ -35,6 +35,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "gamecvars.h"
 
 #include "debugbreak.h"
+extern bool rotatesprite_2doverride;
 
 BEGIN_RR_NS
 
@@ -1120,7 +1121,9 @@ void Screen_Play(void)
 
     I_ClearAllInput();
 
-    do
+	auto r2dover = rotatesprite_2doverride;
+	rotatesprite_2doverride = false;
+	do
     {
         G_HandleAsync();
 
@@ -1136,6 +1139,7 @@ void Screen_Play(void)
         videoNextPage();
         I_ClearAllInput();
     } while (running);
+	rotatesprite_2doverride = r2dover;
 }
 
 GAMEEXEC_STATIC void VM_Execute(native_t loop)