1 files changed, 58 insertions, 0 deletions

diff --git a/src/m_bbox.c b/src/m_bbox.c
new file mode 100644
index 0000000..f2097ce
--- /dev/null
+++ b/src/m_bbox.c
@@ -0,0 +1,58 @@
+/* Emacs style mode select   -*- C++ -*-
+ *-----------------------------------------------------------------------------
+ *
+ *
+ *  PrBoom: a Doom port merged with LxDoom and LSDLDoom
+ *  based on BOOM, a modified and improved DOOM engine
+ *  Copyright (C) 1999 by
+ *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
+ *  Copyright (C) 1999-2000 by
+ *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
+ *  Copyright 2005, 2006 by
+ *  Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
+ *
+ *  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.
+ *
+ * DESCRIPTION:
+ *      Main loop menu stuff.
+ *      Random number LUT.
+ *      Default Config File.
+ *      PCX Screenshots.
+ *
+ *-----------------------------------------------------------------------------*/
+
+#ifdef __GNUG__
+#pragma implementation "m_bbox.h"
+#endif
+#include "m_bbox.h"
+
+void M_ClearBox (fixed_t *box)
+{
+  box[BOXTOP] = box[BOXRIGHT] = INT_MIN;
+  box[BOXBOTTOM] = box[BOXLEFT] = INT_MAX;
+}
+
+void M_AddToBox(fixed_t* box,fixed_t x,fixed_t y)
+  {
+  if (x<box[BOXLEFT])
+    box[BOXLEFT] = x;
+  else if (x>box[BOXRIGHT])
+    box[BOXRIGHT] = x;
+  if (y<box[BOXBOTTOM])
+    box[BOXBOTTOM] = y;
+  else if (y>box[BOXTOP])
+    box[BOXTOP] = y;
+  }