m_bbox.c
资源名称:21.rar [点击查看]
上传用户:xuyinpeng
上传日期:2021-05-12
资源大小:455k
文件大小:1k
源码类别:
射击游戏
开发平台:
Visual 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.
- //
- //-----------------------------------------------------------------------------
- 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"
- #define MAXINT 0x7FFFFFFF;
- #define MININT 0x80000000;
- 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;
- }