warzone2100/lib/framework/macros.h

63 lines
2.0 KiB
C

/*
This file is part of Warzone 2100.
Copyright (C) 1999-2004 Eidos Interactive
Copyright (C) 2005-2007 Warzone Resurrection Project
Warzone 2100 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.
Warzone 2100 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 Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*! \file macros.h
* \brief Various macro definitions
*/
#ifndef MACROS_H
#define MACROS_H
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#define ABS(a) (((a) < 0) ? (-(a)) : (a))
#define ABSDIF(a,b) ((a)>(b) ? (a)-(b) : (b)-(a))
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define CLIP(val, min, max) do \
{ \
if ((val) < (min)) (val) = (min); \
else if ((val) > (max)) (val) = (max); \
} while(0)
/*
defines for ONEINX
Use: if (ONEINX) { code... }
*/
#define ONEINTWO (rand()%2==0)
#define ONEINTHREE (rand()%3==0)
#define ONEINFOUR (rand()%4==0)
#define ONEINFIVE (rand()%5==0)
#define ONEINSIX (rand()%6==0)
#define ONEINSEVEN (rand()%7==0)
#define ONEINEIGHT (rand()%8==0)
#define ONEINNINE (rand()%9==0)
#define ONEINTEN (rand()%10==0)
#define MACROS_H_STRINGIFY(x) #x
#define TOSTRING(x) MACROS_H_STRINGIFY(x)
#define AT_MACRO __FILE__ ":" TOSTRING(__LINE__)
#define MKID(a) MKID_(a, __LINE__)
#define MKID_(a, b) a ## b
#endif // MACROS_H