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/* bzflag
* Copyright (c) 1993 - 2005 Tim Riker
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the license found in the file
* named COPYING that should have accompanied this file.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/*
* common definitions
*/
#ifndef BZF_COMMON_H
#define BZF_COMMON_H
// this should always be the very FIRST header
#ifdef _DEVCPP //the Dev-C++ build is acting very stubborn; this is (hopefully) -temporary-
# include_next "config.h"
#else
# include "config.h"
#endif
#ifdef _WIN32
#include "win32.h"
#define _FD_SET(fd, set) FD_SET((unsigned int)fd, set)
#else
#define _FD_SET(fd, set) FD_SET(fd, set)
#endif
#include <stdio.h>
#include <stdlib.h> //needed for bzfrand
#include <math.h>
extern int debugLevel;
// Like verbose debug messages? level 0 for development only
#define DEBUG0 formatDebug
#define DEBUG1 if (debugLevel >= 1) formatDebug
#define DEBUG2 if (debugLevel >= 2) formatDebug
#define DEBUG3 if (debugLevel >= 3) formatDebug
#define DEBUG4 if (debugLevel >= 4) formatDebug
/* near zero by some epsilon convenience define since relying on
* the floating point unit for proper equivalence is not safe
*/
#define NEAR_ZERO(_value,_epsilon) ( ((_value) > -_epsilon) && ((_value) < _epsilon) )
// seven places of precision is pretty safe, so something less precise
#if defined(FLT_EPSILON)
# define ZERO_TOLERANCE FLT_EPSILON
#else
# define ZERO_TOLERANCE 1.0e-06f
#endif
// Might we be BSDish? sys/param.h has BSD defined if so
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef HAVE__STRICMP
# define strcasecmp _stricmp
#endif
#ifdef HAVE__STRNICMP
# define strncasecmp _strnicmp
#endif
#if !defined(HAVE_VSNPRINTF)
# ifdef HAVE__VSNPRINTF
# define vsnprintf _vsnprintf
# else
# define vsnprintf(buf, size, fmt, list) vsprintf(buf, fmt, list)
# endif
#endif
// some platforms don't have float versions of the math library
#ifndef HAVE_ASINF
# define asinf (float)asin
#endif
#ifndef HAVE_ATAN2F
# define atan2f (float)atan2
#endif
#ifndef HAVE_ATANF
# define atanf (float)atan
#endif
#ifndef HAVE_COSF
# define cosf (float)cos
#endif
#ifndef HAVE_EXPF
# define expf (float)exp
#endif
#ifndef HAVE_FABSF
# define fabsf (float)fabs
#endif
#ifndef HAVE_FLOORF
# define floorf (float)floor
#endif
#ifndef HAVE_FMODF
# define fmodf (float)fmod
#endif
#ifndef HAVE_HYPOTF
# define hypotf (float)hypot
#endif
#ifndef HAVE_LOGF
# define logf (float)log
#endif
#ifndef HAVE_POWF
# define powf (float)pow
#endif
#ifndef HAVE_SINF
# define sinf (float)sin
#endif
#ifndef HAVE_SQRTF
# define sqrtf (float)sqrt
#endif
#ifndef HAVE_TANF
# define tanf (float)tan
#endif
// random number stuff
#define bzfrand() ((double)rand() / ((double)RAND_MAX + 1.0))
#define bzfsrand(_s) srand(_s)
#if !defined(_WIN32)
#ifndef __BEOS__
# ifdef HAVE_VALUES_H
# include <values.h>
# endif
#else
# include <limits.h>
/* BeOS: FIXME */
# define MAXSHORT SHORT_MAX
# define MAXINT INT_MAX
# define MAXLONG LONG_MAX
#endif /* __BEOS__ */
#include <sys/types.h>
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#if defined(__linux) || (defined(__sgi) && !defined(__INTTYPES_MAJOR))
typedef u_int16_t uint16_t;
typedef u_int32_t uint32_t;
#endif
#if defined(sun)
typedef signed short int16_t;
typedef ushort_t uint16_t;
typedef signed int int32_t;
typedef uint_t uint32_t;
#endif
#endif
typedef unsigned char uint8_t;
#if defined( __BEOS__ )
// missing constants
# ifndef MAXFLOAT
# define MAXFLOAT 3.402823466e+38f
# endif
# ifndef M_PI
# define M_PI 3.14159265358979323846f
# endif
# ifndef M_SQRT1_2
# define M_SQRT1_2 0.70710678118654752440f
# endif
// need some integer types
# include <inttypes.h>
# ifndef setenv
# define setenv(a,b,c)
# endif
# ifndef putenv
# define putenv(a)
# endif
#endif /* defined( __BEOS__ ) */
#ifdef countof
# undef countof
#endif
#define countof(__x) (sizeof(__x) / sizeof(__x[0]))
#if defined(_WIN32) && defined(_MSC_VER)
#define std_max(a,b) max(a,b)
#else
#define std_max(a,b) std::max(a,b)
#endif
#endif // BZF_COMMON_H
// Local Variables: ***
// mode: C++ ***
// tab-width: 8 ***
// c-basic-offset: 2 ***
// indent-tabs-mode: t ***
// End: ***
// ex: shiftwidth=2 tabstop=8
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