doom-ios/code/prboom/m_bbox.h

56 lines
1.7 KiB
C++

/* 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:
* Simple bounding box datatype and functions.
*
*-----------------------------------------------------------------------------*/
#ifndef __M_BBOX__
#define __M_BBOX__
#include <limits.h>
#include "m_fixed.h"
/* Bounding box coordinate storage. */
enum
{
BOXTOP,
BOXBOTTOM,
BOXLEFT,
BOXRIGHT
}; /* bbox coordinates */
/* Bounding box functions. */
void M_ClearBox(fixed_t* box);
void M_AddToBox(fixed_t* box,fixed_t x,fixed_t y);
#endif