From 1e79abafa04895801787b04bc22b52341d2aed2d Mon Sep 17 00:00:00 2001
From: Eric Wasylishen <ewasylishen@gmail.com>
Date: Sun, 20 Feb 2022 16:25:23 -0700
Subject: [PATCH] qbsp: q2: fix empty optional access when compiling q2 map
 lacking extended flags

---
 qbsp/map.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qbsp/map.cc b/qbsp/map.cc
index f6efe22f..2ac9e542 100644
--- a/qbsp/map.cc
+++ b/qbsp/map.cc
@@ -1371,6 +1371,9 @@ static void ParseTextureDef(parser_t &parser, mapface_t &mapface, const mapbrush
         // assign animation to extinfo, so that we load the animated
         // first one first
         if (auto wal = LoadWal(mapface.texname.c_str())) {
+            if (!extinfo.info) {
+                extinfo.info = extended_texinfo_t{};
+            }
             extinfo.info->animation = wal->animation;
         }
     }