Fixed VM abort when drawing from ZScript happens during 0 game tic

https://forum.zdoom.org/viewtopic.php?t=58523 https://forum.zdoom.org/viewtopic.php?t=58780
ZDoom · Dec 19, 2017 · 90c734a · 90c734a
1 parent 8c60c3c
commit 90c734a
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/d_main.cpp b/src/d_main.cpp
@@ -797,7 +797,13 @@ void D_Display ()
 		case GS_LEVEL:
 		case GS_TITLELEVEL:
 			if (!gametic)
+			{
+				if (!screen->HasBegun2D())
+				{
+					screen->Begin2D(false);
+				}
 				break;
+			}
 
 			if (StatusBar != NULL)
 			{