The DOOM sources as originally released on December 23, 1997

linuxdoom-1.10/m_bbox.c

@@ -0,0 +1,64 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// $Id:$
+//
+// Copyright (C) 1993-1996 by id Software, Inc.
+//
+// This source is available for distribution and/or modification
+// only under the terms of the DOOM Source Code License as
+// published by id Software. All rights reserved.
+//
+// The source is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
+// for more details.
+//
+// $Log:$
+//
+// DESCRIPTION:
+//	Main loop menu stuff.
+//	Random number LUT.
+//	Default Config File.
+//	PCX Screenshots.
+//
+//-----------------------------------------------------------------------------
+
+static const char
+rcsid[] = "$Id: m_bbox.c,v 1.1 1997/02/03 22:45:10 b1 Exp $";
+
+
+#ifdef __GNUG__
+#pragma implementation "m_bbox.h"
+#endif
+#include "m_bbox.h"
+
+
+
+
+void M_ClearBox (fixed_t *box)
+{
+    box[BOXTOP] = box[BOXRIGHT] = MININT;
+    box[BOXBOTTOM] = box[BOXLEFT] = MAXINT;
+}
+
+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;
+}
+
+
+
+
+