From db6bd42eb173cb1cb6818b64390aa042ee376e64 Mon Sep 17 00:00:00 2001
From: Steel Titanium <steeltitanium1@gmail.com>
Date: Tue, 1 Sep 2020 14:05:45 -0400
Subject: [PATCH] Allow the game to continue even if the `STARTUP` lump is
 somehow missing

---
 src/d_main.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/d_main.c b/src/d_main.c
index 4a93c852d..ca2f71a58 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -731,6 +731,7 @@ tic_t rendergametic;
 void D_SRB2Loop(void)
 {
 	tic_t oldentertics = 0, entertic = 0, realtics = 0, rendertimeout = INFTICS;
+	static lumpnum_t gstartuplumpnum;
 
 	if (dedicated)
 		server = true;
@@ -770,7 +771,12 @@ void D_SRB2Loop(void)
 	*/
 	/* Smells like a hack... Don't fade Sonic's ass into the title screen. */
 	if (gamestate != GS_TITLESCREEN)
-		V_DrawScaledPatch(0, 0, 0, W_CachePatchNum(W_GetNumForName("STARTUP"), PU_PATCH));
+	{
+		gstartuplumpnum = W_CheckNumForName("STARTUP");
+		if (gstartuplumpnum == LUMPERROR)
+			gstartuplumpnum = W_GetNumForName("MISSING");
+		V_DrawScaledPatch(0, 0, 0, W_CachePatchNum(gstartuplumpnum, PU_PATCH));
+	}
 
 	for (;;)
 	{