From 61de40c6788828ec91b3d91caef579567757c6a0 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Wed, 22 Feb 2017 17:39:04 +0200
Subject: [PATCH] Relaxed error check for menu textures

Null texture is acceptable as menu patch
Total conversion IWADs like Adventures of Square may use this technique

https://mantis.zdoom.org/view.php?id=320
---
 src/menu/menudef.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/menu/menudef.cpp b/src/menu/menudef.cpp
index 16b567166..bc95198f2 100644
--- a/src/menu/menudef.cpp
+++ b/src/menu/menudef.cpp
@@ -411,7 +411,7 @@ static void ParseListMenuBody(FScanner &sc, DListMenuDescriptor *desc)
 						else if (args[i] == TypeTextureID)
 						{
 							auto f = TexMan.CheckForTexture(sc.String, FTexture::TEX_MiscPatch);
-							if (!f.isValid())
+							if (!f.Exists())
 							{
 								sc.ScriptError("Unknown texture %s", sc.String);
 							}