From 1f950e4b9f68cab3c8c4f8fb97043f8fa4edeb16 Mon Sep 17 00:00:00 2001
From: Fabian Greffrath
Date: Thu, 20 Mar 2014 14:27:12 +0100
Subject: Print a warning if the user is attempting to record or playback a
 demo or connect to a network game using one of the BFG Edition IWADs.

---
 src/doom/d_main.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/doom/d_main.c')

diff --git a/src/doom/d_main.c b/src/doom/d_main.c
index 4068f677..f302f772 100644
--- a/src/doom/d_main.c
+++ b/src/doom/d_main.c
@@ -417,6 +417,17 @@ boolean D_GrabMouseCallback(void)
 //
 void D_DoomLoop (void)
 {
+    if (bfgedition &&
+        (demorecording || (gameaction == ga_playdemo) || netgame))
+    {
+        I_PrintDivider();
+        printf(" WARNING: You are playing using one of the Doom Classic\n"
+               " IWAD files shipped with the Doom 3: BFG Edition. These are\n"
+               " known to be incompatible with the regular IWAD files and\n"
+               " may cause demos and network games to get out of sync.\n");
+        I_PrintDivider();
+    }
+
     if (demorecording)
 	G_BeginRecording ();
 
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