v4k-git-backup/demos/ports/doom/src/m_bbox.c

51 lines
1.3 KiB
C

// 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;
}