1 files changed, 92 insertions, 0 deletions
diff --git a/src/heretic/m_misc.c b/src/heretic/m_misc.c
new file mode 100644
index 00000000..39674e4b
--- /dev/null
+++ b/src/heretic/m_misc.c
@@ -0,0 +1,92 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 1993-2008 Raven Software
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+//-----------------------------------------------------------------------------
+
+// M_misc.c
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdlib.h>
+
+#include <ctype.h>
+
+#include "doomdef.h"
+#include "i_swap.h"
+#include "i_video.h"
+#include "m_argv.h"
+#include "s_sound.h"
+
+//---------------------------------------------------------------------------
+//
+// FUNC M_ValidEpisodeMap
+//
+//---------------------------------------------------------------------------
+
+boolean M_ValidEpisodeMap(int episode, int map)
+{
+    if (episode < 1 || map < 1 || map > 9)
+    {
+        return false;
+    }
+
+    switch (gamemode)
+    {
+        case shareware:
+            return episode == 1;
+
+        case retail:
+            return episode <= 5 || (episode == 6 && map <= 3);
+
+        case registered:
+            return episode <= 3 || (episode == 4 && map == 1);
+
+        default:
+            return false;
+    }
+}
+
+//---------------------------------------------------------------------------
+//
+// PROC M_ForceUppercase
+//
+// Change string to uppercase.
+//
+//---------------------------------------------------------------------------
+
+void M_ForceUppercase(char *text)
+{
+    char c;
+
+    while ((c = *text) != 0)
+    {
+        if (c >= 'a' && c <= 'z')
+        {
+            *text++ = c - ('a' - 'A');
+        }
+        else
+        {
+            text++;
+        }
+    }
+}
+