// This file is a part of Framsticks SDK. http://www.framsticks.com/ // Copyright (C) 1999-2019 Maciej Komosinski and Szymon Ulatowski. // See LICENSE.txt for details. #ifndef _NONSTD_MATH_H_ #define _NONSTD_MATH_H_ #ifdef _MSC_VER #define _USE_MATH_DEFINES //after this is defined, the next #include or will define M_PI etc. #include //w vc2008 działało tu , ale w vc2010 juz nie bo "coś" (jakiś inny .h stl'a?) includuje wcześniej bez _USE_MATH_DEFINES, a includuje (ale tylko raz bo ma "include guards" jak kazdy .h) #include //#define isnan(x) _isnan(x) //since 2014 we use std::isnan() #define finite(x) _finite(x) #else //m.in. __BORLANDC__ #include #endif //random number generator: #include "random.h" RandomGenerator &rndGetInstance(); inline double rndDouble(double limit_exclusive) { return rndGetInstance().getDouble() * limit_exclusive; } inline unsigned int rndUint(unsigned int limit_exclusive) { return (unsigned int)(rndGetInstance().getDouble() * limit_exclusive); } //returns random from 0..limit_exclusive-1 inline void rndSetSeed(unsigned int seed) { rndGetInstance().setSeed(seed); } inline unsigned int rndRandomizeSeed() { return rndGetInstance().randomize(); } // precision==-1 for full precision, or positive values for the number of digits to print past the decimal point. // Allocated buffer with bufferlen=30 is OK. // Returns the number of chars actually used (not including the ending 0). int doubleToString(double x, int precision, char *buffer, int bufferlen); double round(const double x, const int precision); //floating point specific numbers #include "stdlib.h" #ifdef __BORLANDC__ #include #define isnan(x) _isnan(x) //http://stackoverflow.com/questions/570669/checking-if-a-double-or-float-is-nan-in-c #define finite(x) _finite(x) #endif #ifdef LINUX #define _isnan(a) isnan(a) #endif #ifdef IPHONE #define finite(x) (!isinf(x)) #define _isnan(a) isnan(a) #endif #if defined SHP //#define __assert_func(a,b,c,d) 0 //Currently, we are sorry to inform you that assert() is not yet supported. We have considered your request for internal discussion. Na szczęście jest własna (byle by była, bo i tak zakładamy ze assert ktore przeciez dziala tylko w trybie debug nie jest potrzebne na bada) implementacja w "bada-assert.cpp" #define isnan(x) false //isnan() sie nie linkuje #define finite(x) true //j.w. //#include //RAND_MAX defined incorrectly //#ifdef BADA_SIMULATOR //...but only in simulator libs // #undef RAND_MAX // #define RAND_MAX 32768 //...this is the actual value used by rand() //#endif #endif //handling floating point exceptions void fpExceptInit(); //call once, before ...Enable/Disable void fpExceptEnable(); void fpExceptDisable(); // std::lerp can be used since c++20 (and has some guaranteed properties probably better than this basic formula) but apparently it is not a template template Value universal_lerp(Value a,Value b,Linear t) {return a*(1-t)+b*t;} template T linearTransform(T value, T min_in, T max_in, T min_out, T max_out) { return min_out + (value-min_in)*(max_out-min_out)/(max_in-min_in); } #endif