diff options
Diffstat (limited to 'src/doom/m_bbox.c')
-rw-r--r-- | src/doom/m_bbox.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/doom/m_bbox.c b/src/doom/m_bbox.c new file mode 100644 index 00000000..02389209 --- /dev/null +++ b/src/doom/m_bbox.c @@ -0,0 +1,62 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 1993-1996 Id Software, Inc. +// Copyright(C) 2005 Simon Howard +// +// 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: +// Main loop menu stuff. +// Random number LUT. +// Default Config File. +// PCX Screenshots. +// +//----------------------------------------------------------------------------- + + + +#include "m_bbox.h" + + + + +void M_ClearBox (fixed_t *box) +{ + box[BOXTOP] = box[BOXRIGHT] = INT_MIN; + box[BOXBOTTOM] = box[BOXLEFT] = INT_MAX; +} + +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; +} + + + + + |