Catch invalid resolution in CONFIG.ROT (#80)

* Catch invalid resolution in CONFIG.ROT * rt_cfg.c: logic error * rt_cfg.c: logic error part 2
fabiangreffrath · Aug 6, 2024 · 42ab8dd · 42ab8dd
1 parent e193170
commit 42ab8dd
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/rott/rt_cfg.c b/rott/rt_cfg.c
@@ -428,6 +428,14 @@ boolean ParseConfigFile (void)
       ReadInt("ScreenWidth", &iGLOBAL_SCREENWIDTH);
       ReadInt("ScreenHeight", &iGLOBAL_SCREENHEIGHT);
 
+	if ((iGLOBAL_SCREENWIDTH != 320 || iGLOBAL_SCREENHEIGHT != 200) &&
+		(iGLOBAL_SCREENWIDTH != 640 || iGLOBAL_SCREENHEIGHT != 480))
+		{
+			printf("WARNING: Invalid screen resolution %dx%d. Reverting to 640x480.\n", iGLOBAL_SCREENWIDTH, iGLOBAL_SCREENHEIGHT);
+			iGLOBAL_SCREENWIDTH = 640;
+			iGLOBAL_SCREENHEIGHT = 480;
+		}
+
       // Read in ViewSize
 
       ReadInt("ViewSize",&viewsize);