From b81e96ddf430f9e1801747ae12e8aa483b3850e5 Mon Sep 17 00:00:00 2001
From: danij <danij@dengine.net>
Date: Wed, 9 Jul 2014 17:50:54 +0100
Subject: [PATCH] MAPINFO|libcommon: 'Map' definitions may now lookup a Text
 definition for the title

Support the ZDoom extension, whereby map titles can reference a Text
definition to use as the map title.
---
 doomsday/plugins/common/src/mapinfo.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/doomsday/plugins/common/src/mapinfo.cpp b/doomsday/plugins/common/src/mapinfo.cpp
index d6f8a389cc..0940bc41c3 100644
--- a/doomsday/plugins/common/src/mapinfo.cpp
+++ b/doomsday/plugins/common/src/mapinfo.cpp
@@ -223,7 +223,19 @@ void MapInfoParser(ddstring_s const *path)
             }
 
             // Map title must follow the number.
-            info->set("title", Str_Text(lexer.readString()));
+            String title = Str_Text(lexer.readString());
+
+            // Lookup the title from a Text definition? (ZDoom)
+            if(!title.compareWithoutCase("lookup"))
+            {
+                title = Str_Text(lexer.readString());
+                char *found = 0;
+                if(Def_Get(DD_DEF_TEXT, title.toUtf8().constData(), &found) >= 0)
+                {
+                    title = String(found);
+                }
+            }
+            info->set("title", title);
 
             // Process optional tokens.
             while(lexer.readToken())