// 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.
//
//-----------------------------------------------------------------------------


#include "doom_config.h"

#include "m_bbox.h"


void M_ClearBox(fixed_t* box)
{
    box[BOXTOP] = box[BOXRIGHT] = DOOM_MININT;
    box[BOXBOTTOM] = box[BOXLEFT] = DOOM_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;
}