2024-03-26 16:15:02 +00:00
/* game framework.
* - rlyeh , public domain
*
* # # V4K License
*
* This software is available under 3 licenses . Choose whichever you prefer .
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* ALTERNATIVE A - Public Domain ( https : //unlicense.org/)
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* This is free and unencumbered software released into the public domain .
*
* Anyone is free to copy , modify , publish , use , compile , sell , or distribute this
* software , either in source code form or as a compiled binary , for any purpose ,
* commercial or non - commercial , and by any means .
*
* In jurisdictions that recognize copyright laws , the author or authors of this
* software dedicate any and all copyright interest in the software to the public
* domain . We make this dedication for the benefit of the public at large and to
* the detriment of our heirs and successors . We intend this dedication to be an
* overt act of relinquishment in perpetuity of all present and future rights to
* this software under copyright law .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL THE
* AUTHORS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER IN AN
* ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE .
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* ALTERNATIVE B - 0 - BSD License ( https : //opensource.org/licenses/FPL-1.0.0)
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* Permission to use , copy , modify , and / or distribute this software for any
* purpose with or without fee is hereby granted .
*
* THE SOFTWARE IS PROVIDED " AS IS " AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS . IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL , DIRECT ,
* INDIRECT , OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE , DATA OR PROFITS , WHETHER IN AN ACTION OF CONTRACT , NEGLIGENCE
* OR OTHER TORTIOUS ACTION , ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE .
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* ALTERNATIVE C - MIT - 0 ( No Attribution clause )
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* Permission is hereby granted , free of charge , to any person obtaining a copy of this
* software and associated documentation files ( the " Software " ) , to deal in the Software
* without restriction , including without limitation the rights to use , copy , modify ,
* merge , publish , distribute , sublicense , and / or sell copies of the Software , and to
* permit persons to whom the Software is furnished to do so .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR IMPLIED ,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY , FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER IN AN ACTION
* OF CONTRACT , TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE .
*
* # # License : Contributed Code - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
*
* Dear Contributor ,
*
* In order to ensure this project remains completely free and unencumbered by
* anyone ' s copyright monopoly , it is advisable that you dedicate your code - base
* contributions to the three licensing terms above . This removes any possible
* ambiguity as to what terms somebody might have thought they were contributing
* under , in case of a future dispute . These concerns are not unique to public
* domain software . Most large , established open - source projects have a
* Contributor License Agreement ( CLA ) process , of varying degrees of formality .
*
* Please add yourself to the list below before contributing .
* Thanks .
*
* - -
*
* " I dedicate any and all copyright interest in this software to the three
* licensing terms listed above . I make this dedication for the benefit of the
* public at large and to the detriment of my heirs and successors . I intend
* this dedication to be an overt act of relinquishment in perpetuity of all
* present and future rights to this software under copyright law . "
*
* Author ( name ) I agree ( YES / NO ) Files / Features ( optional )
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* @ r - lyeh YES Initial codebase
* @ zak @ v4 . games YES N / A
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
*/
# ifndef V4K_H
# define V4K_H
# ifdef __cplusplus
extern " C " {
# endif
//-----------------------------------------------------------------------------
// Headers
# line 1 "v4k_config.h"
// -----------------------------------------------------------------------------
// config directives
# ifndef ENABLE_FASTCALL_LUA
# define ENABLE_FASTCALL_LUA 1 ///+
# endif
# ifndef ENABLE_PROFILER
# define ENABLE_PROFILER ifdef(retail, 0, 1) ///+
# endif
# ifndef ENABLE_SELFIES
# define ENABLE_SELFIES 0 ///+
# endif
# ifndef ENABLE_MEMORY_POISON
# define ENABLE_MEMORY_POISON ifdef(debug, 1, 0) ///+
# endif
# ifndef ENABLE_MEMORY_LEAKS
# define ENABLE_MEMORY_LEAKS 0 ///+
# endif
# ifndef ENABLE_LINUX_CALLSTACKS
# define ENABLE_LINUX_CALLSTACKS 0 ///+
# endif
# ifndef ENABLE_AUTOTESTS
# define ENABLE_AUTOTESTS ifdef(debug, ifndef(ems, 1, 0), 0) ///+
# endif
# ifndef ENABLE_RETAIL
# define ENABLE_RETAIL 0 // ifdef(retail, 1, 0) ///+
# endif
# ifndef ENABLE_COOK
# define ENABLE_COOK ifdef(retail, 0, 1) ///+
# endif
# ifndef ENABLE_RPMALLOC
# define ENABLE_RPMALLOC 0 // ifdef(tcc, 0, 1) // forbidden on tcc because of lacking TLS support
# endif
// -----------------------------------------------------------------------------
// if/n/def hell
# define ifdef(macro, yes, /*no*/ ...) ifdef_##macro(yes, __VA_ARGS__)
# define ifndef(macro, yes, /*no*/ ...) ifdef_##macro(__VA_ARGS__, yes)
# define is(macro) ifdef_##macro(1,0)
# define isnt(macro) ifdef_##macro(0,1)
# define ifdef_true(yes, /*no*/ ...) yes
# define ifdef_false(yes, /*no*/ ...) __VA_ARGS__
# ifdef _MSC_VER
# define ifdef_gcc ifdef_false
# define ifdef_mingw ifdef_false
# define ifdef_tcc ifdef_false
# define ifdef_cl ifdef_true
# elif defined __TINYC__
# define ifdef_gcc ifdef_false
# define ifdef_mingw ifdef_false
# define ifdef_tcc ifdef_true
# define ifdef_cl ifdef_false
# elif defined __MINGW64__ || defined __MINGW32__
# define ifdef_gcc ifdef_true
# define ifdef_mingw ifdef_true
# define ifdef_tcc ifdef_false
# define ifdef_cl ifdef_false
# else // also __clang__
# define ifdef_gcc ifdef_true
# define ifdef_mingw ifdef_false
# define ifdef_tcc ifdef_false
# define ifdef_cl ifdef_false
# endif
# ifdef __cplusplus
# define ifdef_cpp ifdef_true
# define ifdef_c ifdef_false
# else
# define ifdef_c ifdef_true
# define ifdef_cpp ifdef_false
# endif
# if defined _WIN32
# define ifdef_win32 ifdef_true
# define ifdef_linux ifdef_false
# define ifdef_osx ifdef_false
# define ifdef_bsd ifdef_false
# define ifdef_ems ifdef_false
# elif defined __linux__
# define ifdef_win32 ifdef_false
# define ifdef_linux ifdef_true
# define ifdef_osx ifdef_false
# define ifdef_bsd ifdef_false
# define ifdef_ems ifdef_false
# elif defined __APPLE__
# define ifdef_win32 ifdef_false
# define ifdef_linux ifdef_false
# define ifdef_osx ifdef_true
# define ifdef_bsd ifdef_false
# define ifdef_ems ifdef_false
# elif defined __EMSCRIPTEN__
# define ifdef_win32 ifdef_false
# define ifdef_linux ifdef_false
# define ifdef_osx ifdef_false
# define ifdef_bsd ifdef_false
# define ifdef_ems ifdef_true
# else // __FreeBSD__ || @todo: __ANDROID_API__
# define ifdef_win32 ifdef_false
# define ifdef_linux ifdef_false
# define ifdef_osx ifdef_false
# define ifdef_bsd ifdef_true
# define ifdef_ems ifdef_false
# endif
# ifdef NDEBUG // rely on NDEBUG as the official/portable way to disable asserts
# define ifdef_debug ifdef_false
# define ifdef_release ifdef_true
# else
# define ifdef_debug ifdef_true
# define ifdef_release ifdef_false
# endif
# if ENABLE_RETAIL // NDEBUG>=2 ?
# define ifdef_retail ifdef_true
# else
# define ifdef_retail ifdef_false
# endif
# if ENABLE_COOK
# define ifdef_cook ifdef_true
# define ifdef_nocook ifdef_false
# else
# define ifdef_cook ifdef_false
# define ifdef_nocook ifdef_true
# endif
# if defined NDEBUG && NDEBUG >= 3 // we use NDEBUG=[0,1,2,3] to signal the compiler optimization flags O0,O1,O2,O3
# define ifdef_O3 ifdef_true
# define ifdef_O2 ifdef_false
# define ifdef_O1 ifdef_false
# define ifdef_O0 ifdef_false
# elif defined NDEBUG && NDEBUG >= 2
# define ifdef_O3 ifdef_false
# define ifdef_O2 ifdef_true
# define ifdef_O1 ifdef_false
# define ifdef_O0 ifdef_false
# elif defined NDEBUG && NDEBUG >= 1
# define ifdef_O3 ifdef_false
# define ifdef_O2 ifdef_false
# define ifdef_O1 ifdef_true
# define ifdef_O0 ifdef_false
# else
# define ifdef_O3 ifdef_false
# define ifdef_O2 ifdef_false
# define ifdef_O1 ifdef_false
# define ifdef_O0 ifdef_true
# endif
# include <stdint.h>
# if (defined INTPTR_MAX && INTPTR_MAX == INT64_MAX) || defined(_M_X64) || defined(__amd64__) || defined(__x86_64__) || defined(__ppc64__) || __WORDSIZE == 64
# define ifdef_64 ifdef_true
# define ifdef_32 ifdef_false
# else
# define ifdef_64 ifdef_false
# define ifdef_32 ifdef_true
# endif
// -----------------------------------------------------------------------------
// new C keywords
# define countof(x) (int)(sizeof (x) / sizeof 0[x])
# define concat(a,b) conc4t(a,b)
# define conc4t(a,b) a##b ///-
# define macro(name) concat(name, __LINE__)
# define unique(name) concat(concat(concat(name,concat(_L,__LINE__)),_),__COUNTER__)
# define defer(begin,end) for(int macro(i) = ((begin), 0); !macro(i); macro(i) = ((end), 1))
# define scope(end) defer((void)0, end)
# define benchmark for(double macro(i) = 1, macro(t) = (time_ss(),-time_ss()); macro(i); macro(t)+=time_ss(), macro(i)=0, printf("%.4fs %2.f%% (" FILELINE ")\n", macro(t), macro(t)*100 / 0.0166667 ))
# define benchmark_ms for(double macro(i) = 1, macro(t) = (time_ss(),-time_ss()); macro(i); macro(t)+=time_ss(), macro(i)=0, printf("%.2fms %2.f%% (" FILELINE ")\n", macro(t)*1000, macro(t)*100 / 0.016666667 ))
# define do_once static int macro(once) = 0; for(;!macro(once);macro(once)=1)
# if is(cl)
# define __thread __declspec(thread)
# elif is(tcc) && is(win32)
# define __thread __declspec(thread) // compiles fine apparently, but does not work
# elif is(tcc)
# define __thread
# endif
// usage: bool static(audio_is_init) = audio_init();
//#define static(var) static var; do_once var
//-----------------------------------------------------------------------------
// new C macros
# if ENABLE_RETAIL
# define ASSERT(expr, ...) (void)0
# define ASSERT_ONCE(expr, ...) (void)0
# else
# define ASSERT(expr, ...) do { int fool_msvc[] = {0,}; if(!(expr)) { fool_msvc[0]++; alert(va("!Expression failed: " #expr " " FILELINE "\n" __VA_ARGS__)), breakpoint(); } } while(0)
# define ASSERT_ONCE(expr, ...) do { int fool_msvc[] = {0,}; if(!(expr)) { fool_msvc[0]++; static int seen = 0; if(!seen) seen = 1, alert(va("!Expression failed: " #expr " " FILELINE "\n" __VA_ARGS__)), breakpoint(); } } while(0)
# endif
# ifndef STATIC_ASSERT
# define STATIC_ASSERT(EXPR) typedef struct { unsigned macro(static_assert_on_L) : !!(EXPR); } unique(static_assert_on_L)
# endif
# define FILELINE __FILE__ ":" STRINGIZE(__LINE__)
# define STRINGIZE(x) STRINGIZ3(x)
# define STRINGIZ3(x) #x ///-
# define EXPAND(name, ...) EXPAND_QUOTE(EXPAND_JOIN(name, EXPAND_COUNT_ARGS(__VA_ARGS__)), (__VA_ARGS__))
# define EXPAND_QUOTE(x, y) x y ///-
# define EXPAND_JOIN(name, count) EXPAND_J0IN(name, count) ///-
# define EXPAND_J0IN(name, count) EXPAND_J01N(name, count) ///-
# define EXPAND_J01N(name, count) name##count ///-
# define EXPAND_COUNT_ARGS(...) EXPAND_ARGS((__VA_ARGS__, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)) ///-
# define EXPAND_ARGS(args) EXPAND_RETURN_COUNT args ///-
# define EXPAND_RETURN_COUNT(_1_, _2_, _3_, _4_, _5_, _6_, _7_, _8_, _9_, count, ...) count ///-
// expands to the first argument
# define VA_FIRST(...) VA_F1RST(__VA_ARGS__, throwaway)
# define VA_F1RST(first, ...) first ///-
// if there's only one argument, expands to nothing. if there is more
// than one argument, expands to a comma followed by everything but
// the first argument. only supports up to 9 arguments but can be expanded.
# define VA_REST(...) VA_R3ST(VA_NUM(__VA_ARGS__), __VA_ARGS__)
# define VA_R3ST(qty, ...) VA_R3S7(qty, __VA_ARGS__) ///-
# define VA_R3S7(qty, ...) VA_R3S7_##qty(__VA_ARGS__) ///-
# define VA_R3S7_ONE(first) ///-
# define VA_R3S7_TWOORMORE(first, ...) , __VA_ARGS__ ///-
# define VA_NUM(...) VA_SELECT_10TH(__VA_ARGS__, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, ONE, throwaway) ///-
# define VA_SELECT_10TH(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, ...) A10
// VA_SPLIT() expands to A) 1 item OR B) 1 item + ',' + va_args[1..N]
# define VA_SPLIT(...) VA_FIRST(__VA_ARGS__) VA_REST(__VA_ARGS__)
// VA_COUNT() counts number of va args
# define VA_COUNT(...) (int)(sizeof((int[]){0, ##__VA_ARGS__}) / sizeof(int)-1)
# if is(cl) && !is(cpp)
# define INLINE __inline
# else
# define INLINE inline
# endif
# if is(cl)
# define FORCE_INLINE __forceinline
# elif is(gcc)
# define FORCE_INLINE __attribute__((always_inline)) inline
# else
# define FORCE_INLINE INLINE
# endif
# if is(cl) && (_MSC_VER <= 1700)
# define FINITE _finite
# else
# define FINITE isfinite
# endif
// usage: #define vec2(...) C_CAST(vec2, __VA_ARGS__)
// typedef union vec2 { float X,Y; }; vec2 a = {0,1}, b = vec2(0,1);
# define C_CAST(type, ...) ( ifdef(c,(type),type) { __VA_ARGS__ } )
// create a WARNING(...) macro
// usage: WARNING("this is displayed at compile time")
# if is(gcc)
# define WARNING(msg) WARN1NG( message( msg ) )
# define WARN1NG(msg) _Pragma(#msg)
# elif is(cl)
# define WARNING(msg) __pragma( message( msg ) )
# else
# define WARNING(msg)
# endif
// document todos and fixmes via compiler warnings
# define TODO(str) ifdef(debug,WARNING("TO DO: " str " (" FILELINE ")"))
# define FIXME(str) ifdef(debug,WARNING("FIXME: " str " (" FILELINE ")"))
// -----------------------------------------------------------------------------
// autorun initializers for C
// - rlyeh, public domain
//
// note: based on code by Joe Lowe (public domain).
// note: XIU for C initializers, XCU for C++ initializers, XTU for C deinitializers
# define AUTORUN AUTORUN_( unique(fn) )
# ifdef __cplusplus
# define AUTORUN_(fn) \
static void fn ( void ) ; \
static const int concat ( fn , __1 ) = ( fn ( ) , 1 ) ; \
static void fn ( void )
# elif defined _MSC_VER && !defined(__clang__) // cl, but not clang-cl
# define AUTORUN_(fn) \
static void fn ( void ) ; \
static int concat ( fn , __1 ) ( ) { fn ( ) ; return 0 ; } \
__pragma ( section ( " .CRT$XIU " , long , read ) ) \
__declspec ( allocate ( " .CRT$XIU " ) ) \
static int ( * concat ( fn , __2 ) ) ( ) = concat ( fn , __1 ) ; \
static void fn ( void )
# elif defined __TINYC__ // tcc...
# define AUTORUN_(fn) \
__attribute__ ( ( constructor ) ) \
static void fn ( void )
# else // gcc,clang,clang-cl...
# define AUTORUN_(fn) \
__attribute__ ( ( constructor ( __COUNTER__ + 101 ) ) ) \
static void fn ( void )
# endif
// -----------------------------------------------------------------------------
// build info
# ifndef BUILD_VERSION
# define BUILD_VERSION ""
# endif
// -----------------------------------------------------------------------------
// visibility
// win32 users would need to -DAPI=EXPORT/IMPORT as needed when building/using V4K as DLL.
# define IMPORT ifdef(win32, ifdef(gcc, __attribute__ ((dllimport)), __declspec(dllimport)))
# define EXPORT ifdef(win32, ifdef(gcc, __attribute__ ((dllexport)), __declspec(dllexport)))
# define STATIC
# ifndef API
# define API STATIC
# endif
// -----------------------------------------------------------------------------
// system headers
# ifndef _GNU_SOURCE
# define _GNU_SOURCE ///- for linux
# endif
# if is(cl) && is(win32) // for VC IDE
# define _CRT_SECURE_NO_WARNINGS ///-
# define _CRT_NONSTDC_NO_DEPRECATE ///-
# define _WINSOCK_DEPRECATED_NO_WARNINGS ///-
# define _WIN32_WINNT 0x0600 ///- 0x0502 // GetInfoAddrW/FreeAddrInfoW for X86
# endif
# if is(cl)
# include <omp.h> // compile with /openmp to speed up some computations
# endif
# include <assert.h>
//#include <float.h>
//#include <limits.h>
# include <math.h> // NAN
# include <stdarg.h> // va_*(), ...
# include <stdbool.h> // bool,true,false
# include <stdint.h> // u/int8/16/32/64_t
# include <stdio.h> // FILE,NULL
# include <stdlib.h> // malloc,free,exit,
# include <string.h> // strlen,memset,memcpy,
# if is(tcc) && is(win32) && defined(__x86_64)
# include <tgmath.h>
// @fixme workarounds on `tcc0.9.27 -m64` (win) for fmod()/trunc() functions. test: 00-easing broken otherwise
//#define trunc(x) ((double)(int64_t)(x))
//#define fmod(x,y) ((x) - trunc((x) / (y)) * (y))
// @fixme workarounds on `tcc0.9.27 -m64` (win) for all functions with ending bool argument. test: 00-anims crashes otherwise
# undef bool
typedef char bool ;
// missing libm symbols on tinycc HEAD repo (tcc-x64 pre-0.9.28)
//#define fabsf fabs
# define sqrtf sqrt
# define sinf sin
# define asinf asin
# define cosf cos
# define acosf acos
# define tanf tan
# define atan2f atan2
# define powf pow
# define floorf floor
# define logf log
# define ceilf ceil
# define copysignf copysign
//#define ldexpf ldexp
# define expf exp
//#define frexpf frexp
# define fmodf fmod
# define log10f log10
//#define logf log
# define hypotf hypot
# endif
// -----------------------------------------------------------------------------
// pragma libs
# if is(win32) && (is(cl) || is(tcc))
# pragma comment(lib, "advapi32")
# pragma comment(lib, "comdlg32")
# pragma comment(lib, "dbghelp")
# pragma comment(lib, "gdi32")
# pragma comment(lib, "ole32")
# pragma comment(lib, "shell32")
# pragma comment(lib, "user32")
# pragma comment(lib, "winmm")
# pragma comment(lib, "wininet")
# pragma comment(lib, "ws2_32")
# endif
# if is(linux) && is(tcc)
# pragma comment(lib, "dl")
# pragma comment(lib, "m")
# pragma comment(lib, "pthread")
# endif
# line 0
# line 1 "v4k_ds.h"
// data structures and utils: array, set, map, hash, sort.
// - rlyeh, public domain
// -----------------------------------------------------------------------------
// less
API int less_64 ( uint64_t a , uint64_t b ) ;
API int less_int ( int a , int b ) ;
API int less_ptr ( void * a , void * b ) ;
API int less_str ( char * a , char * b ) ;
// -----------------------------------------------------------------------------
// qsort
API int less_64_ptr ( const void * a , const void * b ) ;
API int less_int_ptr ( const void * a , const void * b ) ;
// -----------------------------------------------------------------------------
// un/hash
API uint32_t unhash_32 ( uint32_t x ) ;
API uint32_t hash_32 ( uint32_t x ) ;
API uint64_t hash_64 ( uint64_t x ) ;
API uint64_t hash_flt ( double x ) ;
API uint64_t hash_int ( int key ) ;
API uint64_t hash_ptr ( const void * ptr ) ;
API uint64_t hash_bin ( const void * ptr , unsigned len ) ;
API uint64_t hash_str ( const char * str ) ;
// -----------------------------------------------------------------------------
// bits
API uint64_t popcnt64 ( uint64_t x ) ;
// -----------------------------------------------------------------------------
// vector based allocator (x1.75 enlarge factor)
API void * vrealloc ( void * p , size_t sz ) ;
API size_t vlen ( void * p ) ;
// -----------------------------------------------------------------------------
// arrays
# if is(cpp)
# define array_cast(x) (decltype x)
# else
# define array_cast(x) (void *)
# endif
# define array(t) t*
# define array_init(t) ( (t) = 0 )
# define array_resize(t, n) ( array_c_ = array_count(t), array_n_ = (n), array_realloc_((t),array_n_), (array_n_>array_c_? memset(array_c_+(t),0,(array_n_-array_c_)*sizeof(0[t])) : (void*)0), (t) )
# define array_push(t, ...) ( array_realloc_((t),array_count(t)+1), (t)[ array_count(t) - 1 ] = (__VA_ARGS__) )
# define array_pop(t) ( array_realloc_((t), array_count(t)-1) )
# define array_back(t) ( &(t)[ array_count(t)-1 ] ) // ( (t) ? &(t)[ array_count(t)-1 ] : NULL )
# define array_data(t) (t)
# define array_at(t,i) (t[i])
# define array_count(t) (int)( (t) ? array_vlen_(t) / sizeof(0[t]) : 0u )
# define array_bytes(t) (int)( (t) ? array_vlen_(t) : 0u )
# define array_sort(t, cmpfunc) qsort( t, array_count(t), sizeof(0[t]), (uintptr_t)cmpfunc == (uintptr_t)strcmp ? (void*)strcmp_qsort : (void*)cmpfunc )
# define array_empty(t) ( !array_count(t) )
# define array_push_front(arr,x) \
( array_resize ( ( arr ) , array_count ( arr ) + 1 ) , memmove ( ( arr ) + 1 , ( arr ) , sizeof ( 0 [ arr ] ) * array_count ( arr ) ) , 0 [ arr ] = ( x ) )
# define array_pop_front(arr) ( \
( array_count ( arr ) > 1 ? memmove ( ( arr ) , ( arr ) + 1 , sizeof ( 0 [ arr ] ) * ( array_count ( arr ) - 1 ) ) : ( void * ) 0 ) , \
( array_count ( arr ) > 0 ? array_resize ( arr , array_count ( arr ) - 1 ) : array_resize ( arr , 0 ) ) )
static __thread unsigned array_c_ ;
static __thread unsigned array_n_ ;
#if 0 // original: no reserve support
# define array_reserve(t, n) ((void)0) // not implemented
# define array_clear(t) ( array_realloc_((t), 0), (t) = 0 )
# define array_vlen_(t) ( vlen(t) - 0 )
# define array_realloc_(t,n) ( (t) = array_cast(t) vrealloc((t), ((n)+0) * sizeof(0[t])) )
# define array_free(t) array_clear(t)
# else // new: with reserve support (@todo: check for bugs?)
# define array_reserve(t, n) ( array_realloc_((t),(n)), array_clear(t) )
# define array_clear(t) ( array_realloc_((t),0) ) // -1
# define array_vlen_(t) ( vlen(t) - sizeof(0[t]) ) // -1
# define array_realloc_(t,n) ( (t) = array_cast(t) vrealloc((t), ((n)+1) * sizeof(0[t])) ) // +1
# define array_free(t) ( array_realloc_((t), -1), (t) = 0 ) // -1
# endif
# define array_reverse(t) \
do if ( array_count ( t ) ) { \
for ( int l = array_count ( t ) , e = l - 1 , i = ( array_push ( t , 0 [ t ] ) , 0 ) ; i < = e / 2 ; + + i ) \
{ l [ t ] = i [ t ] ; i [ t ] = ( e - i ) [ t ] ; ( e - i ) [ t ] = l [ t ] ; } \
array_pop ( t ) ; \
} while ( 0 )
# define array_foreach(t,val_t,v) for each_array(t,val_t,v)
# define each_array(a,val_t,v) \
( array ( val_t ) a_ = ( a ) ; a_ ; a_ = 0 ) \
for ( int i_ = 0 , e_ = array_count ( a_ ) ; i_ < e_ ; + + i_ ) \
for ( val_t v = i_ [ a_ ] , * v_ = ( void * ) ( uintptr_t ) & v ; v_ ; v_ = 0 )
# define array_foreach_ptr(t,val_t,v) for each_array_ptr(t,val_t,v)
# define each_array_ptr(a,val_t,v) \
( array ( val_t ) a_ = ( a ) ; a_ ; a_ = 0 ) \
for ( int i_ = 0 , e_ = array_count ( a_ ) ; i_ < e_ ; + + i_ ) \
for ( val_t * v = ( val_t * ) & i_ [ a_ ] ; v ; v = 0 )
# define array_search(t, key, cmpfn) /* requires sorted array beforehand */ \
bsearch ( & key , t , array_count ( t ) , sizeof ( t [ 0 ] ) , cmpfn )
# define array_insert(t, i, n) do { \
int ac = array_count ( t ) ; \
if ( i > = ac ) { \
array_push ( t , n ) ; \
} else { \
array_push ( t , array_back ( t ) ) ; \
memmove ( & ( t ) [ ( i ) + 1 ] , & ( t ) [ i ] , ( ac - ( i ) ) * sizeof ( t [ 0 ] ) ) ; \
( t ) [ i ] = ( n ) ; \
} \
} while ( 0 )
# define array_copy(t, src) do { \
array_free ( t ) ; \
( t ) = array_realloc_ ( ( t ) , array_count ( src ) ) ; \
memcpy ( ( t ) , src , array_count ( src ) * sizeof ( 0 [ t ] ) ) ; \
} while ( 0 )
# define array_erase_fast(t, i) do { /*alters ordering*/ \
memcpy ( & ( t ) [ i ] , & ( t ) [ array_count ( t ) - 1 ] , sizeof ( 0 [ t ] ) ) ; \
array_pop ( t ) ; \
} while ( 0 )
# define array_erase_slow(t, i) do { /*preserves ordering*/ \
memmove ( & ( t ) [ i ] , & ( t ) [ i + 1 ] , sizeof ( 0 [ t ] ) * ( array_count ( t ) - i - 1 ) ) ; \
array_pop ( t ) ; \
} while ( 0 )
# define array_unique(t, cmpfunc) do { /*@todo: optimize me. requires array_sort() beforehand*/ \
int cnt = array_count ( t ) , cnt_bak = cnt ; \
if ( cnt > 1 ) { \
for ( int i = 1 ; i < cnt ; + + i ) { \
while ( i < cnt & & ! cmpfunc ( & ( t ) [ i - 1 ] , & ( t ) [ i ] ) ) { \
memmove ( & ( t ) [ i - 1 ] , & ( t ) [ i ] , ( cnt - 1 - i ) * sizeof ( ( t ) [ 0 ] ) ) ; \
- - cnt ; \
} \
} \
if ( cnt_bak ! = cnt ) array_resize ( ( t ) , cnt ) ; \
} \
} while ( 0 )
#if 0 // snippet below does work
# define array_unique(t, cmpfunc) \
array_sort ( t , cmpfunc ) ; \
for ( int i = 0 , end = array_count ( t ) - 1 ; i < end ; ) { \
if ( ! strcmp ( t [ i ] , t [ i + 1 ] ) ) { \
/* array_erase(t, i+1); */ \
memmove ( & ( t ) [ i + 1 ] , & ( t ) [ i + 2 ] , ( end - 1 - i ) * sizeof ( ( t ) [ 0 ] ) ) ; \
array_pop ( t ) ; \
- - end ; \
} else { \
+ + i ; \
} \
}
# endif
# define array_shuffle(t) do { /* https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle */ \
void * tmp = stack ( sizeof ( 0 [ t ] ) ) ; \
for ( int i = 0 , n = array_count ( t ) ; i < n ; + + i ) { \
int j = randi ( i , n ) ; /* j random integer such that [i,n) i<=j<n */ \
memcpy ( tmp , & j [ t ] , sizeof ( 0 [ t ] ) ) ; \
memcpy ( & j [ t ] , & i [ t ] , sizeof ( 0 [ t ] ) ) ; \
memcpy ( & i [ t ] , tmp , sizeof ( 0 [ t ] ) ) ; \
} \
} while ( 0 )
// -----------------------------------------------------------------------------
// set<K>
// ideas from: https://en.wikipedia.org/wiki/Hash_table
// ideas from: https://probablydance.com/2017/02/26/i-wrote-the-fastest-hashtable/
// ideas from: http://www.idryman.org/blog/2017/05/03/writing-a-damn-fast-hash-table-with-tiny-memory-footprints/
// config
# ifndef SET_HASHSIZE
# define SET_HASHSIZE (4096 << 4)
# endif
# ifndef SET_DONT_ERASE
# define SET_DONT_ERASE 1
# endif
// public api
# define set(K) \
struct { set base ; struct { set_item p ; K key ; } tmp , * ptr ; K * tmpval ; \
int ( * typed_cmp ) ( K , K ) ; uint64_t ( * typed_hash ) ( K ) ; } *
# define set_init(m, cmpfn, hashfn) ( \
( m ) = set_cast ( m ) REALLOC ( 0 , sizeof ( * m ) ) , \
set_init ( & ( m ) - > base ) , \
( m ) - > base . cmp = ( int ( * ) ( void * , void * ) ) ( ( m ) - > typed_cmp = set_cast ( cmpfn ) cmpfn ) , \
( m ) - > base . hash = ( uint64_t ( * ) ( void * ) ) ( ( m ) - > typed_hash = set_cast ( hashfn ) hashfn ) \
)
# define set_free(m) ( \
set_clear ( m ) , \
set_free ( & ( m ) - > base ) , \
( m ) = set_cast ( m ) REALLOC ( ( m ) , 0 ) , \
( m ) = 0 \
)
# define set_insert(m, k) ( \
( m ) - > ptr = set_cast ( ( m ) - > ptr ) REALLOC ( 0 , sizeof ( ( m ) - > tmp ) ) , \
( m ) - > ptr - > p . keyhash = ( m ) - > typed_hash ( ( m ) - > ptr - > key = ( k ) ) , \
set_insert ( & ( m ) - > base , & ( m ) - > ptr - > p , & ( m ) - > ptr - > key , ( m ) - > ptr - > p . keyhash , ( m ) - > ptr ) , \
& ( m ) - > ptr - > key \
)
# define set_find(m, k) ( \
( m ) - > ptr = & ( m ) - > tmp , \
( m ) - > ptr - > p . keyhash = ( m ) - > typed_hash ( ( m ) - > ptr - > key = ( k ) ) , \
( m ) - > ptr = set_cast ( ( m ) - > ptr ) set_find ( & ( m ) - > base , & ( m ) - > ptr - > key , ( m ) - > ptr - > p . keyhash ) , \
( m ) - > ptr ? & ( m ) - > ptr - > key : 0 \
)
# define set_find_or_add(m, k) ( \
( m ) - > tmp . key = ( k ) , \
( m ) - > tmpval = set_find ( ( m ) , ( ( m ) - > tmp . key ) ) , \
( m ) - > tmpval = ( m ) - > tmpval ? ( m ) - > tmpval : set_insert ( ( m ) , ( ( m ) - > tmp . key ) ) \
)
# define set_find_or_add_allocated_key(m, k) ( \
( m ) - > tmp . key = ( k ) , \
( m ) - > tmpval = set_find ( ( m ) , ( ( m ) - > tmp . key ) ) , \
( m ) - > tmpval = ( m ) - > tmpval ? FREE ( ( m ) - > tmp . key ) , ( m ) - > tmpval : set_insert ( ( m ) , ( ( m ) - > tmp . key ) ) \
)
# define set_erase(m, k) ( \
( m ) - > ptr = & ( m ) - > tmp , \
( m ) - > ptr - > p . keyhash = ( m ) - > typed_hash ( ( m ) - > ptr - > key = ( k ) ) , \
set_erase ( & ( m ) - > base , & ( m ) - > ptr - > key , ( m ) - > ptr - > p . keyhash ) \
)
# define set_foreach for each_set
# define each_set(m,key_t,k) \
( int i_ = ( m ) - > base . count ? 0 : SET_HASHSIZE ; i_ < SET_HASHSIZE ; + + i_ ) \
for ( set_item * cur_ = ( m ) - > base . array [ i_ ] , * on_ = cur_ ; cur_ ; on_ = cur_ = cur_ - > next ) \
for ( key_t k = * ( key_t * ) cur_ - > key ; on_ ; on_ = 0 )
# define set_foreach_ptr for each_set_ptr
# define each_set_ptr(m,key_t,k) \
( int i_ = ( m ) - > base . count ? 0 : SET_HASHSIZE ; i_ < SET_HASHSIZE ; + + i_ ) \
for ( set_item * cur_ = ( m ) - > base . array [ i_ ] , * on_ = cur_ ; cur_ ; on_ = cur_ = cur_ - > next ) \
for ( key_t * k = ( key_t * ) cur_ - > key ; on_ ; on_ = 0 )
# define set_clear(m) ( \
set_clear ( & ( m ) - > base ) \
)
# define set_isempty(m) set_isempty(&(m)->base)
# define set_count(m) set_count(&(m)->base)
# define set_gc(m) set_gc(&(m)->base)
# ifndef set_init_int
# define set_init_int(m) set_init((m), less_int, hash_64) // hash_int)
# define set_init_str(m) set_init((m), less_str, hash_str)
# define set_init_ptr(m) set_init((m), less_ptr, hash_ptr)
# endif
// private:
# if is(cpp)
# define set_cast(t) (decltype(t))
# else
# define set_cast(t) (void *)
# endif
typedef struct set_item {
struct set_item * next ;
uint64_t keyhash ;
void * key ;
void * super ;
} set_item ;
typedef struct set {
array ( set_item * ) array ;
int ( * cmp ) ( void * , void * ) ;
uint64_t ( * hash ) ( void * ) ;
int count ;
} set ;
API void ( set_init ) ( set * m ) ;
API void ( set_free ) ( set * m ) ;
API void ( set_insert ) ( set * m , set_item * p , void * key , uint64_t keyhash , void * super ) ;
API void ( set_erase ) ( set * m , void * key , uint64_t keyhash ) ;
API void * ( set_find ) ( const set * m , void * key , uint64_t keyhash ) ;
API int ( set_isempty ) ( const set * m ) ;
API int ( set_count ) ( const set * m ) ;
API void ( set_gc ) ( set * m ) ; // only if using SET_DONT_ERASE
API void ( set_clear ) ( set * m ) ;
// -----------------------------------------------------------------------------
// map<K,V>
// ideas from: https://en.wikipedia.org/wiki/Hash_table
// ideas from: https://probablydance.com/2017/02/26/i-wrote-the-fastest-hashtable/
// ideas from: http://www.idryman.org/blog/2017/05/03/writing-a-damn-fast-hash-table-with-tiny-memory-footprints/
// config
# ifndef MAP_HASHSIZE
# define MAP_HASHSIZE (4096 << 4)
# endif
# ifndef MAP_DONT_ERASE
# define MAP_DONT_ERASE 1
# endif
// public api
# define map(K,V) \
struct { map base ; struct { pair p ; K key ; V val ; } tmp , * ptr ; V * tmpval ; \
int ( * typed_cmp ) ( K , K ) ; uint64_t ( * typed_hash ) ( K ) ; } *
# define map_init(m, cmpfn, hashfn) ( \
( m ) = map_cast ( m ) REALLOC ( 0 , sizeof ( * ( m ) ) ) , \
map_init ( & ( m ) - > base ) , \
( m ) - > base . cmp = ( int ( * ) ( void * , void * ) ) ( ( m ) - > typed_cmp = map_cast ( ( m ) - > typed_cmp ) cmpfn ) , \
( m ) - > base . hash = ( uint64_t ( * ) ( void * ) ) ( ( m ) - > typed_hash = map_cast ( ( m ) - > typed_hash ) hashfn ) \
)
# define map_free(m) ( \
map_free ( & ( m ) - > base ) , \
map_cast ( m ) REALLOC ( ( m ) , sizeof ( * ( m ) ) ) , ( m ) = 0 \
)
# define map_insert(m, k, v) ( \
( m ) - > ptr = map_cast ( ( m ) - > ptr ) REALLOC ( 0 , sizeof ( ( m ) - > tmp ) ) , \
( m ) - > ptr - > val = ( v ) , \
( m ) - > ptr - > p . keyhash = ( m ) - > typed_hash ( ( m ) - > ptr - > key = ( k ) ) , \
map_insert ( & ( m ) - > base , & ( m ) - > ptr - > p , & ( m ) - > ptr - > key , & ( m ) - > ptr - > val , ( m ) - > ptr - > p . keyhash , ( m ) - > ptr ) , \
& ( m ) - > ptr - > val \
)
# define map_find(m, k) ( \
( m ) - > ptr = & ( m ) - > tmp , \
( m ) - > ptr - > p . keyhash = ( m ) - > typed_hash ( ( m ) - > ptr - > key = ( k ) ) , \
( m ) - > ptr = map_cast ( ( m ) - > ptr ) map_find ( & ( m ) - > base , & ( m ) - > ptr - > key , ( m ) - > ptr - > p . keyhash ) , \
( m ) - > ptr ? & ( m ) - > ptr - > val : 0 \
)
# define map_find_or_add(m, k, v) ( \
( m ) - > tmp . key = ( k ) , ( m ) - > tmp . val = ( v ) , \
( m ) - > tmpval = map_find ( ( m ) , ( ( m ) - > tmp . key ) ) , \
( m ) - > tmpval = ( m ) - > tmpval ? ( m ) - > tmpval : map_insert ( ( m ) , ( ( m ) - > tmp . key ) , ( ( m ) - > tmp . val ) ) \
)
# define map_find_or_add_allocated_key(m, k, v) ( \
( m ) - > tmp . key = ( k ) , ( m ) - > tmp . val = ( v ) , \
( m ) - > tmpval = map_find ( ( m ) , ( ( m ) - > tmp . key ) ) , \
( m ) - > tmpval = ( m ) - > tmpval ? FREE ( ( m ) - > tmp . key ) , ( m ) - > tmpval : map_insert ( ( m ) , ( ( m ) - > tmp . key ) , ( ( m ) - > tmp . val ) ) \
)
# define map_erase(m, k) ( \
( m ) - > ptr = & ( m ) - > tmp , \
( m ) - > ptr - > p . keyhash = ( m ) - > typed_hash ( ( m ) - > ptr - > key = ( k ) ) , \
map_erase ( & ( m ) - > base , & ( m ) - > ptr - > key , ( m ) - > ptr - > p . keyhash ) \
)
# define map_foreach for each_map
# define each_map(m,key_t,k,val_t,v) \
( int i_ = ( m ) - > base . count ? 0 : MAP_HASHSIZE ; i_ < MAP_HASHSIZE ; + + i_ ) \
for ( pair * cur_ = ( m ) - > base . array [ i_ ] , * on_ = cur_ ; cur_ ; on_ = cur_ = cur_ - > next ) \
for ( key_t k = * ( key_t * ) cur_ - > key ; on_ ; ) \
for ( val_t v = * ( val_t * ) cur_ - > value ; on_ ; on_ = 0 )
# define map_foreach_ptr for each_map_ptr
# define each_map_ptr(m,key_t,k,val_t,v) \
( int i_ = ( m ) - > base . count ? 0 : MAP_HASHSIZE ; i_ < MAP_HASHSIZE ; + + i_ ) \
for ( pair * cur_ = ( m ) - > base . array [ i_ ] , * on_ = cur_ ; cur_ ; on_ = cur_ = cur_ - > next ) \
for ( key_t * k = ( key_t * ) cur_ - > key ; on_ ; ) \
for ( val_t * v = ( val_t * ) cur_ - > value ; on_ ; on_ = 0 )
# define map_foreach_ptr_sorted for each_map_ptr_sorted
# define each_map_ptr_sorted(m,key_t,k,val_t,v) \
( int i_ = ( map_sort ( & ( m ) - > base ) , 0 ) ; i_ < array_count ( ( m ) - > base . sorted ) ; + + i_ ) \
for ( pair * cur_ = ( m ) - > base . sorted [ i_ ] ; cur_ ; ) \
for ( key_t * k = ( key_t * ) cur_ - > key ; cur_ ; ) \
for ( val_t * v = ( val_t * ) cur_ - > value ; cur_ ; cur_ = 0 )
# define map_clear(m) ( \
map_clear ( & ( m ) - > base ) \
)
# define map_isempty(m) map_isempty(&(m)->base)
# define map_count(m) map_count(&(m)->base)
# define map_gc(m) map_gc(&(m)->base)
// aliases:
# ifndef map_init_int
# define map_init_int(m) map_init((m), less_int, hash_64) // hash_int
# define map_init_str(m) map_init((m), less_str, hash_str)
# define map_init_ptr(m) map_init((m), less_ptr, hash_ptr)
# endif
// private:
# if is(cpp)
# define map_cast(t) (decltype(t))
# else
# define map_cast(t) (void *)
# endif
typedef struct pair {
struct pair * next ;
uint64_t keyhash ;
void * key ;
void * value ;
void * super ;
} pair ;
typedef struct map {
array ( pair * ) array ;
int ( * cmp ) ( void * , void * ) ;
uint64_t ( * hash ) ( void * ) ;
int count : 31 ;
int is_sorted : 1 ;
array ( pair * ) sorted ;
} map ;
API void ( map_init ) ( map * m ) ;
API void ( map_free ) ( map * m ) ;
API void ( map_insert ) ( map * m , pair * p , void * key , void * value , uint64_t keyhash , void * super ) ;
API void ( map_erase ) ( map * m , void * key , uint64_t keyhash ) ;
API void * ( map_find ) ( map * m , void * key , uint64_t keyhash ) ;
API int ( map_isempty ) ( map * m ) ;
API int ( map_count ) ( map * m ) ;
API void ( map_gc ) ( map * m ) ; // only if using MAP_DONT_ERASE
API bool ( map_sort ) ( map * m ) ;
API void ( map_clear ) ( map * m ) ;
# line 0
# line 1 "v4k_math.h"
// -----------------------------------------------------------------------------
// math framework: rand, ease, vec2, vec3, vec4, quat, mat2, mat33, mat34, mat4
// - rlyeh, public domain
//
// Credits: @ands+@krig+@vurtun (PD), @datenwolf (WTFPL2), @evanw+@barerose (CC0), @sgorsten (Unlicense).
# define C_EPSILON (1e-6)
# define C_PI (3.14159265358979323846f) // (3.141592654f)
# define TO_RAD (C_PI / 180)
# define TO_DEG (180 / C_PI)
// ----------------------------------------------------------------------------
//#define ptr(type) 0[&(type).x]
# define vec2i(x, y ) C_CAST(vec2i,(int)(x), (int)(y) )
# define vec3i(x, y, z ) C_CAST(vec3i,(int)(x), (int)(y), (int)(z) )
# define vec2(x, y ) C_CAST(vec2, (float)(x), (float)(y) )
# define vec3(x, y, z ) C_CAST(vec3, (float)(x), (float)(y), (float)(z), )
# define vec4(x, y, z, w) C_CAST(vec4, (float)(x), (float)(y), (float)(z), (float)(w))
# define quat(x, y, z, w) C_CAST(quat, (float)(x), (float)(y), (float)(z), (float)(w))
# define axis(x, y, z) C_CAST(axis, (float)(x), (float)(y), (float)(z))
# define mat33(...) C_CAST(mat33, __VA_ARGS__ )
# define mat34(...) C_CAST(mat34, __VA_ARGS__ )
# define mat44(...) C_CAST(mat44, __VA_ARGS__ )
typedef union vec2i { struct { int X , Y ; } ; struct { int x , y ; } ; struct { int r , g ; } ; struct { int w , h ; } ; struct { int min , max ; } ; struct { int from , to ; } ; struct { int src , dst ; } ; int v2 [ 2 ] ; int array [ 1 ] ; } vec2i ;
typedef union vec3i { struct { int X , Y , Z ; } ; struct { int x , y , z ; } ; struct { int r , g , b ; } ; struct { int w , h , d ; } ; struct { int min , max ; } ; struct { int from , to , step ; } ; struct { int src , dst ; } ; int v3 [ 3 ] ; int array [ 1 ] ; } vec3i ;
typedef union vec2 { struct { float X , Y ; } ; struct { float x , y ; } ; struct { float r , g ; } ; struct { float w , h ; } ; struct { float min , max ; } ; struct { float from , to ; } ; struct { float src , dst ; } ; float v2 [ 2 ] ; float array [ 1 ] ; } vec2 ;
typedef union vec3 { struct { float X , Y , Z ; } ; struct { float x , y , z ; } ; struct { float r , g , b ; } ; struct { float min , max ; } ; struct { float from , to ; } ; vec2 xy ; vec2 rg ; vec2 wh ; float v3 [ 3 ] ; float array [ 1 ] ; } vec3 ;
typedef union vec4 { struct { float X , Y , Z , W ; } ; struct { float x , y , z , w ; } ; struct { float r , g , b , a ; } ; struct { float min , max ; } ; struct { float from , to ; } ; vec2 xy ; vec3 xyz ; vec2 rg ; vec3 rgb ; vec2 wh ; vec3 whd ; float v4 [ 4 ] ; float array [ 1 ] ; } vec4 ;
typedef union quat { struct { float X , Y , Z , W ; } ; struct { float x , y , z , w ; } ; vec3 xyz ; vec4 xyzw ; float v4 [ 4 ] ; float array [ 1 ] ; } quat ;
typedef float mat33 [ 9 ] ;
typedef float mat34 [ 12 ] ;
typedef float mat44 [ 16 ] ;
// ----------------------------------------------------------------------------
API void randset ( uint64_t state ) ;
API uint64_t rand64 ( void ) ;
API double randf ( void ) ; // [0, 1) interval
API int randi ( int mini , int maxi ) ; // [mini, maxi) interval
// ----------------------------------------------------------------------------
API float simplex1 ( float x ) ;
API float simplex2 ( vec2 xy ) ;
API float simplex3 ( vec3 xyz ) ;
API float simplex4 ( vec4 xyzw ) ;
// ----------------------------------------------------------------------------
API float deg ( float radians ) ;
API float rad ( float degrees ) ;
API int mini ( int a , int b ) ;
API int maxi ( int a , int b ) ;
API int absi ( int a ) ;
API int clampi ( int v , int a , int b ) ;
API float minf ( float a , float b ) ;
API float maxf ( float a , float b ) ;
API float absf ( float a ) ;
API float pmodf ( float a , float b ) ;
API float signf ( float a ) ;
API float clampf ( float v , float a , float b ) ;
API float mixf ( float a , float b , float t ) ;
API float slerpf ( float a , float b , float t ) ;
API float fractf ( float a ) ;
// ----------------------------------------------------------------------------
API vec2 ptr2 ( const float * a ) ;
//
API vec2 neg2 ( vec2 a ) ;
API vec2 add2 ( vec2 a , vec2 b ) ;
API vec2 sub2 ( vec2 a , vec2 b ) ;
API vec2 mul2 ( vec2 a , vec2 b ) ;
API vec2 div2 ( vec2 a , vec2 b ) ;
API vec2 inc2 ( vec2 a , float b ) ;
API vec2 dec2 ( vec2 a , float b ) ;
API vec2 scale2 ( vec2 a , float b ) ;
API vec2 pmod2 ( vec2 a , float b ) ;
API vec2 min2 ( vec2 a , vec2 b ) ;
API vec2 max2 ( vec2 a , vec2 b ) ;
API vec2 abs2 ( vec2 a ) ;
API vec2 floor2 ( vec2 a ) ;
API vec2 fract2 ( vec2 a ) ;
API vec2 ceil2 ( vec2 a ) ;
API float dot2 ( vec2 a , vec2 b ) ;
API vec2 refl2 ( vec2 a , vec2 b ) ;
API float cross2 ( vec2 a , vec2 b ) ;
API float len2sq ( vec2 a ) ;
API float len2 ( vec2 a ) ;
API vec2 norm2 ( vec2 a ) ;
API int finite2 ( vec2 a ) ;
API vec2 mix2 ( vec2 a , vec2 b , float t ) ;
API vec2 clamp2 ( vec2 v , vec2 a , vec2 b ) ;
API vec2 clamp2f ( vec2 v , float a , float b ) ;
// ----------------------------------------------------------------------------
API vec3 rnd3 ( void ) ; // @todo: rnd2,rnd4,rndq
API vec3 ptr3 ( const float * a ) ;
API vec3 vec23 ( vec2 a , float z ) ;
//
API vec3 neg3 ( vec3 a ) ;
API vec3 add3 ( vec3 a , vec3 b ) ;
API vec3 sub3 ( vec3 a , vec3 b ) ;
API vec3 mul3 ( vec3 a , vec3 b ) ;
API vec3 div3 ( vec3 a , vec3 b ) ;
API vec3 inc3 ( vec3 a , float b ) ;
API vec3 dec3 ( vec3 a , float b ) ;
API vec3 scale3 ( vec3 a , float b ) ;
API vec3 pmod3 ( vec3 a , float b ) ;
API vec3 min3 ( vec3 a , vec3 b ) ;
API vec3 max3 ( vec3 a , vec3 b ) ;
API vec3 abs3 ( vec3 a ) ;
API vec3 floor3 ( vec3 a ) ;
API vec3 fract3 ( vec3 a ) ;
API vec3 ceil3 ( vec3 a ) ;
API vec3 cross3 ( vec3 a , vec3 b ) ;
API float dot3 ( vec3 a , vec3 b ) ;
API vec3 refl3 ( vec3 a , vec3 b ) ;
API float len3sq ( vec3 a ) ;
API float len3 ( vec3 a ) ;
API vec3 norm3 ( vec3 a ) ;
API vec3 norm3sq ( vec3 a ) ;
API int finite3 ( vec3 a ) ;
API vec3 mix3 ( vec3 a , vec3 b , float t ) ;
API vec3 clamp3 ( vec3 v , vec3 a , vec3 b ) ;
API vec3 clamp3f ( vec3 v , float a , float b ) ;
//vec3 tricross3 (vec3 a, vec3 b, vec3 c);
API void ortho3 ( vec3 * left , vec3 * up , vec3 v ) ;
API vec3 rotatex3 ( vec3 dir , float degrees ) ;
API vec3 rotatey3 ( vec3 dir , float degrees ) ;
API vec3 rotatez3 ( vec3 dir , float degrees ) ;
// ----------------------------------------------------------------------------
API vec4 ptr4 ( const float * a ) ;
API vec4 vec34 ( vec3 a , float w ) ;
//
API vec4 neg4 ( vec4 a ) ;
API vec4 add4 ( vec4 a , vec4 b ) ;
API vec4 sub4 ( vec4 a , vec4 b ) ;
API vec4 mul4 ( vec4 a , vec4 b ) ;
API vec4 div4 ( vec4 a , vec4 b ) ;
API vec4 inc4 ( vec4 a , float b ) ;
API vec4 dec4 ( vec4 a , float b ) ;
API vec4 scale4 ( vec4 a , float b ) ;
API vec4 pmod4 ( vec4 a , float b ) ;
API vec4 min4 ( vec4 a , vec4 b ) ;
API vec4 max4 ( vec4 a , vec4 b ) ;
API vec4 abs4 ( vec4 a ) ;
API vec4 floor4 ( vec4 a ) ;
API vec4 fract4 ( vec4 a ) ;
API vec4 ceil4 ( vec4 a ) ;
API float dot4 ( vec4 a , vec4 b ) ;
API vec4 refl4 ( vec4 a , vec4 b ) ;
API float len4sq ( vec4 a ) ;
API float len4 ( vec4 a ) ;
API vec4 norm4 ( vec4 a ) ;
API vec4 norm4sq ( vec4 a ) ;
API int finite4 ( vec4 a ) ;
API vec4 mix4 ( vec4 a , vec4 b , float t ) ;
API vec4 clamp4 ( vec4 v , vec4 a , vec4 b ) ;
API vec4 clamp4f ( vec4 v , float a , float b ) ;
// vec4 cross4(vec4 v0, vec4 v1);
// ----------------------------------------------------------------------------
API quat idq ( ) ;
API quat ptrq ( const float * a ) ;
API quat vec3q ( vec3 a , float w ) ;
API quat vec4q ( vec4 a ) ;
//
API quat negq ( quat a ) ;
API quat conjq ( quat a ) ;
API quat addq ( quat a , quat b ) ;
API quat subq ( quat a , quat b ) ;
API quat mulq ( quat p , quat q ) ;
API quat scaleq ( quat a , float s ) ;
API quat normq ( quat a ) ;
API float dotq ( quat a , quat b ) ;
API quat mixq ( quat a , quat b , float t ) ;
/* quat lerpq(quat a, quat b, float s);
return norm ( quat ( ( 1 - s ) * a . x + s * b . x , ( 1 - s ) * a . y + s * b . y , ( 1 - s ) * a . z + s * b . z , ( 1 - s ) * a . w + s * b . w ) ) ;
} */
API quat slerpq ( quat a , quat b , float s ) ;
API quat rotationq ( float deg , float x , float y , float z ) ;
API quat mat44q ( mat44 M ) ;
API vec3 rotate3q_2 ( vec3 v , quat q ) ;
API vec3 rotate3q ( vec3 v , quat r ) ;
// euler <-> quat
API vec3 euler ( quat q ) ;
API quat eulerq ( vec3 pyr_degrees ) ;
// ----------------------------------------------------------------------------
API void scaling33 ( mat33 m , float x , float y , float z ) ;
API void scale33 ( mat33 m , float x , float y , float z ) ;
API void id33 ( mat33 m ) ;
API void extract33 ( mat33 m , const mat44 m4 ) ;
API void copy33 ( mat33 m , const mat33 a ) ; //
API vec3 mulv33 ( mat33 m , vec3 v ) ;
API void multiply33x2 ( mat33 m , const mat33 a , const mat33 b ) ;
API void rotation33 ( mat33 m , float degrees , float x , float y , float z ) ;
API void rotationq33 ( mat33 m , quat q ) ;
API void rotate33 ( mat33 r , float degrees , float x , float y , float z ) ;
API void compose33 ( mat33 m , quat r , vec3 s ) ;
// ----------------------------------------------------------------------------
API void id34 ( mat34 m ) ;
API void copy34 ( mat34 m , const mat34 a ) ;
API void scale34 ( mat34 m , float s ) ;
API void add34 ( mat34 m , mat34 n ) ;
API void muladd34 ( mat34 m , mat34 n , float s ) ;
API void add34x2 ( mat34 m , mat34 n , mat34 o ) ;
API void lerp34 ( mat34 m , mat34 n , mat34 o , float alpha ) ; // mix34?
API void multiply34x2 ( mat34 m , const mat34 m0 , const mat34 m1 ) ;
API void multiply34 ( mat34 m , const mat34 a ) ;
API void multiply34x3 ( mat34 m , const mat34 a , const mat34 b , const mat34 c ) ;
API void compose34 ( mat34 m , vec3 t , quat q , vec3 s ) ;
API void invert34 ( mat34 m , const mat34 o ) ;
// ----------------------------------------------------------------------------
API void id44 ( mat44 m ) ;
API void identity44 ( mat44 m ) ;
API void copy44 ( mat44 m , const mat44 a ) ;
API void multiply44x2 ( mat44 m , const mat44 a , const mat44 b ) ;
API void multiply44x3 ( mat44 m , const mat44 a , const mat44 b , const mat44 c ) ;
API void multiply44 ( mat44 m , const mat44 a ) ;
// ---
API void ortho44 ( mat44 m , float l , float r , float b , float t , float n , float f ) ;
API void frustum44 ( mat44 m , float l , float r , float b , float t , float n , float f ) ;
API void perspective44 ( mat44 m , float fovy_degrees , float aspect , float nearp , float farp ) ;
API void lookat44 ( mat44 m , vec3 eye , vec3 center , vec3 up ) ;
// ---
API void translation44 ( mat44 m , float x , float y , float z ) ;
API void translate44 ( mat44 m , float x , float y , float z ) ;
API void relocate44 ( mat44 m , float x , float y , float z ) ;
API void rotationq44 ( mat44 m , quat q ) ;
API void rotation44 ( mat44 m , float degrees , float x , float y , float z ) ;
API void rotate44 ( mat44 m , float degrees , float x , float y , float z ) ;
API void scaling44 ( mat44 m , float x , float y , float z ) ;
API void scale44 ( mat44 m , float x , float y , float z ) ;
// ---
API void transpose44 ( mat44 m , const mat44 a ) ;
API float det44 ( const mat44 M ) ;
API bool invert44 ( mat44 T , const mat44 M ) ;
API void compose44 ( mat44 m , vec3 t , quat q , vec3 s ) ;
// ----------------------------------------------------------------------------
API vec3 transformq ( const quat q , const vec3 v ) ;
API vec3 transform33 ( const mat33 m , vec3 p ) ;
API vec3 transform344 ( const mat44 m , const vec3 p ) ;
API vec4 transform444 ( const mat44 m , const vec4 p ) ;
API bool unproject44 ( vec3 * out , vec3 xyd , vec4 viewport , mat44 mvp ) ;
// ----------------------------------------------------------------------------
// debugging and utils
API void print2i ( vec2i v ) ;
API void print3i ( vec3i v ) ;
API void print2 ( vec2 v ) ;
API void print3 ( vec3 v ) ;
API void print4 ( vec4 v ) ;
API void printq ( quat q ) ;
API void print33 ( float * m ) ;
API void print34 ( float * m ) ;
API void print44 ( float * m ) ;
# line 0
# line 1 "v4k_obj.h"
// -----------------------------------------------------------------------------
// factory of handle ids
// convert between hard refs (pointers) and weak refs (ids)
API uintptr_t id_make ( void * ptr ) ;
API void * id_handle ( uintptr_t id ) ;
API void id_dispose ( uintptr_t id ) ;
API bool id_valid ( uintptr_t id ) ;
// configuration:
// ideally, these two should be 32 each. they were changed to fit our OBJHEADER bits
# ifndef ID_INDEX_BITS
# define ID_INDEX_BITS 16
# endif
# ifndef ID_COUNT_BITS
# define ID_COUNT_BITS 3
# endif
// C objects framework
// - rlyeh, public domain.
//
// ## object limitations
// - 8-byte overhead per object
// - XX-byte overhead per object-entity
// - 32 components max per object-entity
// - 256 classes max per game
// - 256 references max per object
// - 1024K bytes max per object
// - 8 generations + 64K IDs per running instance (19-bit IDs)
// - support for pragma pack(1) structs not enabled by default.
/* /!\ if you plan to use pragma pack(1) on any struct, you need #define OBJ_MIN_PRAGMAPACK_BITS 0 at the expense of max class size /!\ */
# ifndef OBJ_MIN_PRAGMAPACK_BITS
//#define OBJ_MIN_PRAGMAPACK_BITS 3 // allows pragma packs >= 8. objsizew becomes 8<<3, so 2048 bytes max per class (default)
# define OBJ_MIN_PRAGMAPACK_BITS 2 // allows pragma packs >= 4. objsizew becomes 8<<2, so 1024 bytes max per class
//#define OBJ_MIN_PRAGMAPACK_BITS 1 // allows pragma packs >= 2. objsizew becomes 8<<1, so 512 bytes max per class
//#define OBJ_MIN_PRAGMAPACK_BITS 0 // allows pragma packs >= 1. objsizew becomes 8<<0, so 256 bytes max per class
# endif
# define OBJHEADER \
struct { \
ifdef ( debug , const char * objname ; ) \
union { \
uintptr_t objheader ; \
struct { \
uintptr_t objtype : 8 ; \
uintptr_t objsizew : 8 ; \
uintptr_t objrefs : 8 ; \
uintptr_t objheap : 1 ; \
uintptr_t objcomps : 1 ; /* << can be removed? check payload ptr instead? */ \
uintptr_t objunused : 64 - 8 - 8 - 8 - 1 - 1 - ID_INDEX_BITS - ID_COUNT_BITS ; /*19*/ \
uintptr_t objid : ID_INDEX_BITS + ID_COUNT_BITS ; /*16+3*/ \
} ; \
} ; \
array ( struct obj * ) objchildren ; \
} ;
# ifndef OBJ
# define OBJ \
OBJHEADER
# endif
// ----------------------------------------------------------------------------
// syntax sugars
# ifdef OBJTYPE
# undef OBJTYPE
# endif
# define OBJTYPE(T) \
OBJTYPE_ # # T
# define OBJTYPEDEF(NAME,N) \
enum { OBJTYPE ( NAME ) = N } ; \
STATIC_ASSERT ( N < = 255 ) ; \
STATIC_ASSERT ( sizeof ( NAME ) = = ( ( sizeof ( NAME ) > > OBJ_MIN_PRAGMAPACK_BITS ) < < OBJ_MIN_PRAGMAPACK_BITS ) ) ; // (sizeof(NAME) & ((1<<OBJ_MIN_PRAGMAPACK_BITS)-1)) == 0 );
// ----------------------------------------------------------------------------
// objects
# define TYPEDEF_STRUCT(NAME,N,...) \
typedef struct NAME { OBJ \
__VA_ARGS__ \
char payload [ 0 ] ; \
} NAME ; OBJTYPEDEF ( NAME , N ) ;
// TYPEDEF_STRUCT(obj,0);
typedef struct obj { OBJ } obj ;
// ----------------------------------------------------------------------------
// entities
# define OBJCOMPONENTS_MAX 32
# define OBJCOMPONENTS_ALL_ENABLED 0xAAAAAAAAAAAAAAAAULL
# define OBJCOMPONENTS_ALL_FLAGGED 0x5555555555555555ULL
# define COMPONENTS_ONLY(x) ((x) & ~OBJCOMPONENTS_ALL_FLAGGED)
# ifndef ENTITY
# define ENTITY \
struct { OBJHEADER union { struct { uintptr_t objenabled : OBJCOMPONENTS_MAX , objflagged : OBJCOMPONENTS_MAX ; } ; uintptr_t cflags ; } ; void * c [ OBJCOMPONENTS_MAX ] ; } ;
# endif
# define TYPEDEF_ENTITY(NAME,N,...) \
typedef struct NAME { ENTITY \
__VA_ARGS__ \
char payload [ 0 ] ; \
} NAME ; OBJTYPEDEF ( NAME , N ) ;
// OBJTYPEDEF(entity,1)
typedef struct entity { ENTITY } entity ;
# define entity_new(TYPE, ...) OBJ_CTOR(TYPE, #TYPE, 1, 0, __VA_ARGS__)
# define entity_new_ext(TYPE, NAME, ...) OBJ_CTOR(TYPE, NAME, 1, 0, __VA_ARGS__)
// ----------------------------------------------------------------------------
// heap/stack ctor/dtor
static __thread obj * objtmp ;
# define OBJ_CTOR_HDR(PTR,HEAP,SIZEOF_OBJ,OBJ_TYPE) ( \
( PTR ) - > objheader = HEAP ? id_make ( PTR ) : 0 , /*should assign to .objid instead. however, id_make() returns shifted bits already*/ \
( PTR ) - > objtype = ( OBJ_TYPE ) , \
( PTR ) - > objheap = ( HEAP ) , \
( PTR ) - > objsizew = ( SIZEOF_OBJ > > OBJ_MIN_PRAGMAPACK_BITS ) )
# define OBJ_CTOR_PTR(PTR,HEAP,SIZEOF_OBJ,OBJ_TYPE) ( \
OBJ_CTOR_HDR ( PTR , HEAP , SIZEOF_OBJ , OBJ_TYPE ) , \
obj_ctor ( PTR ) )
# define OBJ_CTOR(TYPE, NAME, HEAP, PAYLOAD_SIZE, ...) (TYPE*)( \
objtmp = ( HEAP ? MALLOC ( sizeof ( TYPE ) + ( PAYLOAD_SIZE ) ) : ALLOCA ( sizeof ( TYPE ) + ( PAYLOAD_SIZE ) ) ) , \
* ( TYPE * ) objtmp = ( ( TYPE ) { { 0 , } , __VA_ARGS__ } ) , \
( ( PAYLOAD_SIZE ) ? memset ( ( char * ) objtmp + sizeof ( TYPE ) , 0 , ( PAYLOAD_SIZE ) ) : objtmp ) , \
( OBJTYPES [ OBJTYPE ( TYPE ) ] = # TYPE ) , \
OBJ_CTOR_PTR ( objtmp , HEAP , sizeof ( TYPE ) , OBJTYPE ( TYPE ) ) , \
ifdef ( debug , ( obj_printf ) ( objtmp , va ( " %s " , callstack ( + 16 ) ) ) , 0 ) , \
obj_setname ( objtmp , NAME ) )
# define obj(TYPE, ...) *OBJ_CTOR(TYPE, #TYPE, 0, 0, __VA_ARGS__)
# define obj_new(TYPE, ...) OBJ_CTOR(TYPE, #TYPE, 1, 0, __VA_ARGS__)
# define obj_new_ext(TYPE, NAME, ...) OBJ_CTOR(TYPE, NAME, 1, 0, __VA_ARGS__)
void * obj_malloc ( unsigned sz ) ;
void * obj_free ( void * o ) ;
// ----------------------------------------------------------------------------
// obj generics. can be extended.
# define obj_ctor(o,...) obj_method(ctor, o, ##__VA_ARGS__)
# define obj_dtor(o,...) obj_method(dtor, o, ##__VA_ARGS__)
# define obj_save(o,...) obj_method(save, o, ##__VA_ARGS__)
# define obj_load(o,...) obj_method(load, o, ##__VA_ARGS__)
# define obj_test(o,...) obj_method(test, o, ##__VA_ARGS__)
# define obj_init(o,...) obj_method(init, o, ##__VA_ARGS__)
# define obj_quit(o,...) obj_method(quit, o, ##__VA_ARGS__)
# define obj_tick(o,...) obj_method(tick, o, ##__VA_ARGS__)
# define obj_draw(o,...) obj_method(draw, o, ##__VA_ARGS__)
# define obj_lerp(o,...) obj_method(lerp, o, ##__VA_ARGS__)
# define obj_edit(o,...) obj_method(edit, o, ##__VA_ARGS__)
# define obj_menu(o,...) obj_method(menu, o, ##__VA_ARGS__)
# define obj_aabb(o,...) obj_method(aabb, o, ##__VA_ARGS__)
# define obj_icon(o,...) obj_method(icon, o, ##__VA_ARGS__)
// --- syntax sugars
# define obj_extend(T,method) (obj_##method[OBJTYPE(T)] = (void*)T##_##method)
# define obj_extend_t(T,method) (obj_##method[OBJTYPE(T##_t)] = (void*)T##_##method)
# define obj_method(method,o,...) (obj_##method[((struct obj*)(o))->objtype](o,##__VA_ARGS__)) // (obj_##method[((struct obj*)(o))->objtype]((o), ##__VA_ARGS__))
# define obj_hasmethod(o,method) (obj_typeid(o)[obj_##method])
# define obj_vtable(method,RC,...) RC macro(obj_##method)(){ __VA_ARGS__ }; RC (*obj_##method[256])() = { REPEAT256(macro(obj_##method)) };
# define obj_vtable_null(method,RC) RC (*obj_##method[256])() = { 0 }; // null virtual table. will crash unless obj_extend'ed
# define REPEAT16(f) f,f,f,f,f,f,f,f,f,f,f,f,f,f,f,f ///-
# define REPEAT64(f) REPEAT16(f),REPEAT16(f),REPEAT16(f),REPEAT16(f) ///-
# define REPEAT256(f) REPEAT64(f),REPEAT64(f),REPEAT64(f),REPEAT64(f) ///-
# undef EXTEND
# define EXTEND(...) EXPAND(EXTEND, __VA_ARGS__)
# define EXTEND2(o,F1) obj_extend(o,F1) ///-
# define EXTEND3(o,F1,F2) obj_extend(o,F1), obj_extend(o,F2) ///-
# define EXTEND4(o,F1,F2,F3) obj_extend(o,F1), obj_extend(o,F2), obj_extend(o,F3) ///-
# define EXTEND5(o,F1,F2,F3,F4) obj_extend(o,F1), obj_extend(o,F2), obj_extend(o,F3), obj_extend(o,F4) ///-
# define EXTEND6(o,F1,F2,F3,F4,F5) obj_extend(o,F1), obj_extend(o,F2), obj_extend(o,F3), obj_extend(o,F4), obj_extend(o,F5) ///-
# define EXTEND7(o,F1,F2,F3,F4,F5,F6) obj_extend(o,F1), obj_extend(o,F2), obj_extend(o,F3), obj_extend(o,F4), obj_extend(o,F5), obj_extend(o,F6) ///-
# define EXTEND8(o,F1,F2,F3,F4,F5,F6,F7) obj_extend(o,F1), obj_extend(o,F2), obj_extend(o,F3), obj_extend(o,F4), obj_extend(o,F5), obj_extend(o,F6), obj_extend(o,F7) ///-
# define EXTEND9(o,F1,F2,F3,F4,F5,F6,F7,F8) obj_extend(o,F1), obj_extend(o,F2), obj_extend(o,F3), obj_extend(o,F4), obj_extend(o,F5), obj_extend(o,F6), obj_extend(o,F7), obj_extend(o,F8) ///-
# define EXTEND10(o,F1,F2,F3,F4,F5,F6,F7,F8,F9) obj_extend(o,F1), obj_extend(o,F2), obj_extend(o,F3), obj_extend(o,F4), obj_extend(o,F5), obj_extend(o,F6), obj_extend(o,F7), obj_extend(o,F8), obj_extend(o,F9) ///-
# define EXTEND_T(...) EXPAND(EXTEND_T, __VA_ARGS__)
# define EXTEND_T2(o,F1) obj_extend_t(o,F1) ///-
# define EXTEND_T3(o,F1,F2) obj_extend_t(o,F1), obj_extend_t(o,F2) ///-
# define EXTEND_T4(o,F1,F2,F3) obj_extend_t(o,F1), obj_extend_t(o,F2), obj_extend_t(o,F3) ///-
# define EXTEND_T5(o,F1,F2,F3,F4) obj_extend_t(o,F1), obj_extend_t(o,F2), obj_extend_t(o,F3), obj_extend_t(o,F4) ///-
# define EXTEND_T6(o,F1,F2,F3,F4,F5) obj_extend_t(o,F1), obj_extend_t(o,F2), obj_extend_t(o,F3), obj_extend_t(o,F4), obj_extend_t(o,F5) ///-
# define EXTEND_T7(o,F1,F2,F3,F4,F5,F6) obj_extend_t(o,F1), obj_extend_t(o,F2), obj_extend_t(o,F3), obj_extend_t(o,F4), obj_extend_t(o,F5), obj_extend_t(o,F6) ///-
# define EXTEND_T8(o,F1,F2,F3,F4,F5,F6,F7) obj_extend_t(o,F1), obj_extend_t(o,F2), obj_extend_t(o,F3), obj_extend_t(o,F4), obj_extend_t(o,F5), obj_extend_t(o,F6), obj_extend_t(o,F7) ///-
# define EXTEND_T9(o,F1,F2,F3,F4,F5,F6,F7,F8) obj_extend_t(o,F1), obj_extend_t(o,F2), obj_extend_t(o,F3), obj_extend_t(o,F4), obj_extend_t(o,F5), obj_extend_t(o,F6), obj_extend_t(o,F7), obj_extend_t(o,F8) ///-
# define EXTEND_T10(o,F1,F2,F3,F4,F5,F6,F7,F8,F9) obj_extend_t(o,F1), obj_extend_t(o,F2), obj_extend_t(o,F3), obj_extend_t(o,F4), obj_extend_t(o,F5), obj_extend_t(o,F6), obj_extend_t(o,F7), obj_extend_t(o,F8), obj_extend_t(o,F9) ///-
// --- declare vtables
API extern void ( * obj_ctor [ 256 ] ) ( ) ; ///-
API extern void ( * obj_dtor [ 256 ] ) ( ) ; ///-
API extern char * ( * obj_save [ 256 ] ) ( ) ; ///-
API extern bool ( * obj_load [ 256 ] ) ( ) ; ///-
API extern int ( * obj_test [ 256 ] ) ( ) ; ///-
API extern int ( * obj_init [ 256 ] ) ( ) ; ///-
API extern int ( * obj_quit [ 256 ] ) ( ) ; ///-
API extern int ( * obj_tick [ 256 ] ) ( ) ; ///-
API extern int ( * obj_draw [ 256 ] ) ( ) ; ///-
API extern int ( * obj_lerp [ 256 ] ) ( ) ; ///-
API extern int ( * obj_aabb [ 256 ] ) ( ) ; ///-
API extern int ( * obj_edit [ 256 ] ) ( ) ; ///-
API extern int ( * obj_menu [ 256 ] ) ( ) ; ///-
API extern char * ( * obj_icon [ 256 ] ) ( ) ; ///-
API extern const char * OBJTYPES [ 256 ] ; ///-
// ----------------------------------------------------------------------------
// core
API uintptr_t obj_header ( const void * o ) ;
API uintptr_t obj_id ( const void * o ) ;
API const char * obj_type ( const void * o ) ;
API unsigned obj_typeid ( const void * o ) ;
API int obj_sizeof ( const void * o ) ;
API int obj_size ( const void * o ) ; // size of all members together in struct. may include padding bytes.
API char * obj_data ( void * o ) ; // pointer to the first member in struct
API const char * obj_datac ( const void * o ) ; // const pointer to the first struct member
API void * obj_payload ( const void * o ) ; // pointer right after last member in struct
API void * obj_zero ( void * o ) ; // reset all object members
// ----------------------------------------------------------------------------
// refcounting
API void * obj_ref ( void * oo ) ;
API void * obj_unref ( void * oo ) ;
// ----------------------------------------------------------------------------
// scene tree
# define each_objchild(p,T,o) /*non-recursive*/ \
( array ( struct obj * ) * children = obj_children ( p ) ; children ; children = 0 ) \
for ( int _i = 1 , _end = array_count ( * children ) ; _i < _end ; + + _i ) \
for ( T o = ( T ) ( ( * children ) [ _i ] ) ; o & & ( obj_parent ( o ) = = p ) ; o = 0 )
API obj * obj_detach ( void * c ) ;
API obj * obj_attach ( void * o , void * c ) ;
API obj * obj_root ( const void * o ) ;
API obj * obj_parent ( const void * o ) ;
API array ( obj * ) * obj_children ( const void * o ) ; // child[0]: parent, child[1]: 1st child, child[2]: 2nd child...
API array ( obj * ) * obj_siblings ( const void * o ) ; // child[0]: grandpa, child[1]: sibling1, child[2]: sibling2...
API int obj_dumptree ( const void * o ) ;
// ----------------------------------------------------------------------------
// metadata
API void * obj_setmeta ( void * o , const char * key , const char * value ) ;
API const char * obj_meta ( const void * o , const char * key ) ;
API void * obj_setname ( void * o , const char * name ) ;
API const char * obj_name ( const void * o ) ;
// ----------------------------------------------------------------------------
// stl
API void * obj_swap ( void * dst , void * src ) ;
API void * obj_copy_fast ( void * dst , const void * src ) ;
API void * obj_copy ( void * dst , const void * src ) ;
API int obj_comp_fast ( const void * a , const void * b ) ;
API int obj_comp ( const void * a , const void * b ) ;
API int obj_lesser ( const void * a , const void * b ) ;
API int obj_greater ( const void * a , const void * b ) ;
API int obj_equal ( const void * a , const void * b ) ;
API uint64_t obj_hash ( const void * o ) ;
// ----------------------------------------------------------------------------
// debug
API bool obj_hexdump ( const void * oo ) ;
API int obj_print ( const void * o ) ;
API int obj_printf ( const void * o , const char * text ) ;
API int obj_console ( const void * o ) ; // obj_output() ?
# define obj_printf(o, ...) obj_printf(o, va(__VA_ARGS__))
// ----------------------------------------------------------------------------
// serialization
API char * obj_saveini ( const void * o ) ;
API obj * obj_mergeini ( void * o , const char * ini ) ;
API obj * obj_loadini ( void * o , const char * ini ) ;
API char * obj_savejson ( const void * o ) ;
API obj * obj_mergejson ( void * o , const char * json ) ;
API obj * obj_loadjson ( void * o , const char * json ) ;
API char * obj_savebin ( const void * o ) ;
API obj * obj_mergebin ( void * o , const char * sav ) ;
API obj * obj_loadbin ( void * o , const char * sav ) ;
API char * obj_savempack ( const void * o ) ; // @todo
API obj * obj_mergempack ( void * o , const char * sav ) ; // @todo
API obj * obj_loadmpack ( void * o , const char * sav ) ; // @todo
API int obj_push ( const void * o ) ;
API int obj_pop ( void * o ) ;
// ----------------------------------------------------------------------------
// components
API bool obj_addcomponent ( entity * e , unsigned c , void * ptr ) ;
API bool obj_hascomponent ( entity * e , unsigned c ) ;
API void * obj_getcomponent ( entity * e , unsigned c ) ;
API bool obj_delcomponent ( entity * e , unsigned c ) ;
API bool obj_usecomponent ( entity * e , unsigned c ) ;
API bool obj_offcomponent ( entity * e , unsigned c ) ;
API char * entity_save ( entity * self ) ;
// ----------------------------------------------------------------------------
// reflection
# define each_objmember(oo,TYPE,NAME,PTR) \
( array ( reflect_t ) * found_ = members_find ( obj_type ( oo ) ) ; found_ ; found_ = 0 ) \
for ( int it_ = 0 , end_ = array_count ( * found_ ) ; it_ ! = end_ ; + + it_ ) \
for ( reflect_t * R = & ( * found_ ) [ it_ ] ; R ; R = 0 ) \
for ( const char * NAME = R - > name , * TYPE = R - > type ; NAME | | TYPE ; ) \
for ( void * PTR = ( ( char * ) oo ) + R - > sz ; NAME | | TYPE ; NAME = TYPE = 0 )
API void * obj_clone ( const void * src ) ;
API void * obj_merge ( void * dst , const void * src ) ; // @testme
API void * obj_mutate ( void * dst , const void * src ) ;
API void * obj_make ( const char * str ) ;
// built-ins
typedef enum OBJTYPE_BUILTINS {
OBJTYPE_obj = 0 ,
OBJTYPE_entity = 1 ,
OBJTYPE_vec2 = 2 ,
OBJTYPE_vec3 = 3 ,
OBJTYPE_vec4 = 4 ,
OBJTYPE_quat = 5 ,
OBJTYPE_mat33 = 6 ,
OBJTYPE_mat34 = 7 ,
OBJTYPE_mat44 = 8 ,
OBJTYPE_vec2i = 9 ,
OBJTYPE_vec3i = 10 ,
} OBJTYPE_BUILTINS ;
# line 0
# line 1 "v4k_ai.h"
// AI framework
// - rlyeh, public domain.
//
// [src] original A-star code by @mmozeiko (PD) - https://gist.github.com/mmozeiko/68f0a8459ef2f98bcd879158011cc275
// [src] original swarm/boids code by @Cultrarius (UNLICENSE) - https://github.com/Cultrarius/Swarmz
// pathfinding -----------------------------------------------------------------
API int pathfind_astar ( int width , int height , const unsigned * map , vec2i src , vec2i dst , vec2i * path , size_t maxpath ) ;
// ----------------------------------------------------------------------------
// Behavior trees: decision planning and decision making.
// Supersedes finite state-machines (FSM) and hierarchical finite state-machines (HFSM).
typedef int ( * bt_func ) ( ) ;
typedef struct bt_t {
uint64_t type ;
int ( * action ) ( ) ;
union {
int argi ;
float argf ;
} ;
array ( struct bt_t ) children ;
} bt_t ;
API bt_t bt ( const char * ini_file , unsigned flags ) ;
API int bt_run ( bt_t * b ) ;
API void bt_addfun ( const char * name , int ( * func ) ( ) ) ;
API bt_func bt_findfun ( const char * name ) ;
API char * bt_funcname ( bt_func fn ) ;
API int ui_bt ( bt_t * b ) ;
// boids/swarm -----------------------------------------------------------------
typedef enum SWARM_DISTANCE {
SWARM_DISTANCE_LINEAR ,
SWARM_DISTANCE_INVERSE_LINEAR ,
SWARM_DISTANCE_QUADRATIC ,
SWARM_DISTANCE_INVERSE_QUADRATIC
} SWARM_DISTANCE ;
# define boid(...) C_CAST(boid_t, __VA_ARGS__)
typedef struct boid_t {
vec3 position ;
vec3 velocity ;
vec3 acceleration ;
vec3 prev_position ;
} boid_t ;
typedef struct swarm_t {
array ( boid_t ) boids ;
float perception_radius ; // determines the vision radius of each boid. Only boids within this distance influence each other.
float separation_weight ; // how much boids repel each other
SWARM_DISTANCE separation_type ;
float alignment_weight ; // how much boids want go in the same direction
float cohesion_weight ; // how much boids want to be in the center of the swarm
float steering_weight ;
array ( vec3 ) steering_targets ;
SWARM_DISTANCE steering_target_type ;
float blindspot_angledeg ;
float max_acceleration ; // how fast each boid can change its direction
float max_velocity ; // how fast each boid can move
// private:
map ( vec3 * , array ( boid_t * ) ) voxel_cache_ ;
float blindspot_angledeg_compare_value_ ;
} swarm_t ;
API swarm_t swarm ( ) ;
API void swarm_update ( swarm_t * self , float delta ) ; // acc,vel,pos
API void swarm_update_acceleration_only ( swarm_t * self ) ; // acc
API void swarm_update_acceleration_and_velocity_only ( swarm_t * self , float delta ) ; // acc,vel
API int ui_swarm ( swarm_t * self ) ;
# line 0
# line 1 "v4k_audio.h"
// -----------------------------------------------------------------------------
// audio framework
// - rlyeh, public domain
//
// fixme: leaks, audio_delete
// @todo: audio_volume_fx, audio_volume_bgm, audio_volume_master instead?
// @todo: destroystream() if( ss->type == WAV ) drwav_uninit(&ss->wav);
// @todo: destroystream() if( ss->type == MOD ) jar_mod_unload(&ss->mod);
// @todo: destroystream() if( ss->type == XM && ss->xm ) jar_xm_free_context(ss->xm);
// midi interface
API void midi_send ( unsigned midi_msg ) ;
// audio interface
typedef struct audio_handle * audio_t ;
API audio_t audio_clip ( const char * pathfile ) ;
API audio_t audio_stream ( const char * pathfile ) ;
API int audio_play ( audio_t s , int flags ) ;
API int audio_play_gain ( audio_t a , int flags , float gain /*0*/ ) ;
API int audio_play_gain_pitch ( audio_t a , int flags , float gain , float pitch /*1*/ ) ;
API int audio_play_gain_pitch_pan ( audio_t a , int flags , float gain , float pitch , float pan /*0*/ ) ;
API int audio_stop ( audio_t a ) ;
API void audio_loop ( audio_t a , bool loop ) ;
API bool audio_playing ( audio_t a ) ;
API float audio_volume_clip ( float gain ) ; // set fx volume if gain is in [0..1] range. returns current fx volume in any case
API float audio_volume_stream ( float gain ) ; // set bgm volume if gain is in [0..1] range. returns current bgm volume in any case
API float audio_volume_master ( float gain ) ; // set master volume if gain is in [0..1] range. returns current master volume in any case
API int audio_mute ( int mute ) ;
API int audio_muted ( ) ;
API int ui_audio ( ) ;
enum AUDIO_FLAGS {
AUDIO_1CH = 0 , // default
AUDIO_2CH = 1 ,
AUDIO_8 = 2 ,
AUDIO_16 = 0 , // default
AUDIO_32 = 4 ,
AUDIO_FLOAT = 8 ,
AUDIO_8KHZ = 16 ,
AUDIO_11KHZ = 32 ,
AUDIO_22KHZ = 0 , // default
AUDIO_32KHZ = 64 ,
AUDIO_44KHZ = 128 ,
AUDIO_MIXER_GAIN = 0 , // default
AUDIO_IGNORE_MIXER_GAIN = 256 ,
AUDIO_MULTIPLE_INSTANCES = 0 , // default
AUDIO_SINGLE_INSTANCE = 512 ,
} ;
API int audio_queue ( const void * samples , int num_samples , int flags ) ;
# line 0
# line 1 "v4k_collide.h"
// -----------------------------------------------------------------------------
// original code by @vurtun (PD) and @barerose (CC0).
// [src] https://gist.github.com/vurtun/95f088e4889da2474ad1ce82d7911fee
// - rlyeh, public domain.
# ifndef GJK_H
# define GJK_H
# define GJK_MAX_ITERATIONS 20
typedef struct gjk_support {
int aid , bid ;
vec3 a ;
vec3 b ;
} gjk_support ;
typedef struct gjk_vertex {
vec3 a ;
vec3 b ;
vec3 p ;
int aid , bid ;
} gjk_vertex ;
typedef struct gjk_simplex {
int max_iter , iter ;
int hit , cnt ;
gjk_vertex v [ 4 ] ;
float bc [ 4 ] , D ;
} gjk_simplex ;
typedef struct gjk_result {
int hit ;
vec3 p0 ;
vec3 p1 ;
float distance_squared ;
int iterations ;
} gjk_result ;
int gjk ( gjk_simplex * s , const gjk_support * sup , vec3 * dv ) ;
gjk_result gjk_analyze ( const gjk_simplex * s ) ;
gjk_result gjk_quad ( float a_radius , float b_radius ) ;
# endif
//typedef struct gjk_result gjk_result;
typedef struct line { vec3 a , b ; } line ;
typedef struct sphere { vec3 c ; float r ; } sphere ;
typedef struct aabb { vec3 min , max ; } aabb ;
typedef struct plane { vec3 p , n ; } plane ;
typedef struct capsule { vec3 a , b ; float r ; } capsule ;
typedef struct ray { vec3 p , d ; } ray ;
typedef struct triangle { vec3 p0 , p1 , p2 ; } triangle ;
typedef struct poly { vec3 * verts ; int cnt ; } poly ;
typedef union frustum { struct { vec4 l , r , t , b , n , f ; } ; vec4 pl [ 6 ] ; float v [ 24 ] ; } frustum ;
# define line(...) C_CAST(line, __VA_ARGS__)
# define sphere(...) C_CAST(sphere, __VA_ARGS__)
# define aabb(...) C_CAST(aabb, __VA_ARGS__)
# define plane(...) C_CAST(plane, __VA_ARGS__)
# define capsule(...) C_CAST(capsule, __VA_ARGS__)
# define ray(p,normdir) C_CAST(ray, p, normdir)
# define triangle(...) C_CAST(triangle, __VA_ARGS__)
# define poly(...) C_CAST(poly, __VA_ARGS__)
# define frustum(...) C_CAST(frustum, __VA_ARGS__)
// ----------------------------------------------------------------------------
typedef struct hit {
union {
// general case
float depth ;
// rays only: penetration (t0) and extraction (t1) points along ray line
struct { float t0 , t1 ; } ;
// gjk only
struct { int hits ; vec3 p0 , p1 ; float distance2 ; int iterations ; } ;
} ;
union { vec3 p ; vec3 contact_point ; } ;
union { vec3 n ; vec3 normal ; } ;
} hit ;
# define hit(...) C_CAST(hit, __VA_ARGS__)
// ----------------------------------------------------------------------------
/* line/segment */
API float line_distance2_point ( line l , vec3 p ) ;
API vec3 line_closest_point ( line l , vec3 p ) ;
/* ray */
API float ray_test_plane ( ray r , vec4 p4 ) ;
API float ray_test_triangle ( ray r , triangle t ) ;
API int ray_test_sphere ( float * t0 , float * t1 , ray r , sphere s ) ;
API int ray_test_aabb ( float * t0 , float * t1 , ray r , aabb a ) ;
API hit * ray_hit_plane ( ray r , plane p ) ;
API hit * ray_hit_triangle ( ray r , triangle t ) ;
API hit * ray_hit_sphere ( ray r , sphere s ) ;
API hit * ray_hit_aabb ( ray r , aabb a ) ;
/* sphere */
API vec3 sphere_closest_point ( sphere s , vec3 p ) ;
API hit * sphere_hit_aabb ( sphere s , aabb a ) ;
API hit * sphere_hit_capsule ( sphere s , capsule c ) ;
API hit * sphere_hit_sphere ( sphere a , sphere b ) ;
API int sphere_test_aabb ( sphere s , aabb a ) ;
API int sphere_test_capsule ( sphere s , capsule c ) ;
API int sphere_test_poly ( sphere s , poly p ) ;
API int sphere_test_sphere ( sphere a , sphere b ) ;
/* aabb */
API vec3 aabb_closest_point ( aabb a , vec3 p ) ;
API float aabb_distance2_point ( aabb a , vec3 p ) ;
API int aabb_contains_point ( aabb a , vec3 p ) ;
API hit * aabb_hit_aabb ( aabb a , aabb b ) ;
API hit * aabb_hit_capsule ( aabb a , capsule c ) ;
API hit * aabb_hit_sphere ( aabb a , sphere s ) ;
API int aabb_test_aabb ( aabb a , aabb b ) ;
API int aabb_test_capsule ( aabb a , capsule c ) ;
API int aabb_test_poly ( aabb a , poly p ) ;
API int aabb_test_sphere ( aabb a , sphere s ) ;
/* capsule */
API float capsule_distance2_point ( capsule c , vec3 p ) ;
API vec3 capsule_closest_point ( capsule c , vec3 p ) ;
API hit * capsule_hit_aabb ( capsule c , aabb a ) ;
API hit * capsule_hit_capsule ( capsule a , capsule b ) ;
API hit * capsule_hit_sphere ( capsule c , sphere s ) ;
API int capsule_test_aabb ( capsule c , aabb a ) ;
API int capsule_test_capsule ( capsule a , capsule b ) ;
API int capsule_test_poly ( capsule c , poly p ) ;
API int capsule_test_sphere ( capsule c , sphere s ) ;
/* poly: query */
API int poly_test_sphere ( poly p , sphere s ) ;
API int poly_test_aabb ( poly p , aabb a ) ;
API int poly_test_capsule ( poly p , capsule c ) ;
API int poly_test_poly ( poly a , poly b ) ;
/* poly: query transformed */
API int poly_test_sphere_transform ( poly p , vec3 pos3 , mat33 rot33 , sphere s ) ;
API int poly_test_aabb_transform ( poly p , vec3 apos3 , mat33 arot33 , aabb a ) ;
API int poly_test_capsule_transform ( poly p , vec3 pos3 , mat33 rot33 , capsule c ) ;
API int poly_test_poly_transform ( poly a , vec3 apos3 , mat33 arot33 , poly b , vec3 bpos3 , mat33 brot33 ) ;
/* poly: gjk result */
API int poly_hit_sphere ( struct gjk_result * res , poly p , sphere s ) ;
API int poly_hit_aabb ( struct gjk_result * res , poly p , aabb a ) ;
API int poly_hit_capsule ( struct gjk_result * res , poly p , capsule c ) ;
API int poly_hit_poly ( struct gjk_result * res , poly a , poly b ) ;
/* poly: gjk result transformed */
API int poly_hit_sphere_transform ( struct gjk_result * res , poly p , vec3 pos3 , mat33 rot33 , sphere s ) ;
API int poly_hit_aabb_transform ( struct gjk_result * res , poly p , vec3 pos3 , mat33 rot33 , aabb a ) ;
API int poly_hit_capsule_transform ( struct gjk_result * res , poly p , vec3 pos3 , mat33 rot33 , capsule c ) ;
API int poly_hit_poly_transform ( struct gjk_result * res , poly a , vec3 at3 , mat33 ar33 , poly b , vec3 bt3 , mat33 br33 ) ;
API vec4 plane4 ( vec3 p , vec3 n ) ;
API frustum frustum_build ( mat44 projview ) ;
API int frustum_test_sphere ( frustum f , sphere s ) ;
API int frustum_test_aabb ( frustum f , aabb a ) ;
API poly poly_alloc ( int cnt ) ;
API void poly_free ( poly * p ) ;
API poly pyramid ( vec3 from , vec3 to , float size ) ; // poly_free() required
API poly diamond ( vec3 from , vec3 to , float size ) ; // poly_free() required
API void collide_demo ( ) ; // debug draw collisions
# line 0
# line 1 "v4k_cook.h"
// -----------------------------------------------------------------------------
// asset pipeline framework
// - rlyeh, public domain.
//
// all cooked assets are stored inside zip file at root folder, which acts as an asset database.
// during game boot, the database gets rebuilt as follows: (note: step 0 is an optional optimization)
// 0. for N given cores, split list of infiles into N zipfiles. then, parallelize cooks.
// 1. compare local disk files against file in zip database. for each mismatch do:
// 2. - invalidate its entry in database, if local file was removed from disk.
// 3. - write its *cooked* contents into database, if local file was created or modified from disk.
// 4. mount any existing zipfile(s) after cooking.
//
// notes: meta-datas from every raw asset are stored into comment field, inside .cook.zip archive.
// @todo: fix leaks
// @todo: symlink exact files
// @todo: idle threads should steal jobs from busy threads (maybe use jobs/coroutines for this?) ...
enum COOK_FLAGS {
COOK_SYNC = 0 ,
COOK_ASYNC = 1 ,
COOK_CANCELABLE = 2 ,
COOK_DEBUGLOG = 4 , // log all cooking commands to a batch file
} ;
API void cook_config ( const char * path_to_cook_ini ) ; // "tools/cook.ini"
API bool cook_start ( const char * path_to_cook_ini , const char * masks , int flags ) ; // COOK_INI, "**"
API void cook_stop ( ) ;
API void cook_cancel ( ) ;
API int cook_jobs ( ) ; // [0..N]
API int cook_progress ( ) ; // [0..100]
// utils
API bool have_tools ( ) ;
# line 0
# line 1 "v4k_data.h"
// -----------------------------------------------------------------------------
// data framework (json5, xml, compression) @todo:kvdb
// - rlyeh, public domain
//
// @todo: vec2,vec3,vec4
typedef union json_t { char * s ; double f ; int64_t i ; uintptr_t p ; array ( union json_t ) arr ; } json_t ;
// json api
API bool json_push ( const char * json_content ) ;
API const char * json_key ( const char * keypath ) ;
API json_t * json_find ( const char * type_keypath ) ;
API json_t json_get ( const char * type_keypath ) ;
API int json_count ( const char * keypath ) ;
# define json_int(...) (json_get(va("i" __VA_ARGS__)).i)
# define json_float(...) (json_get(va("f" __VA_ARGS__)).f)
# define json_string(...) (json_get(va("s" __VA_ARGS__)).s)
# define json_key(...) json_key(va(__VA_ARGS__))
# define json_count(...) json_count(va(__VA_ARGS__))
API bool json_pop ( ) ;
// xml api
API int xml_push ( const char * xml_content ) ;
API const char * xml_string ( char * key ) ;
API unsigned xml_count ( char * key ) ;
API array ( char ) xml_blob ( char * key ) ;
# define xml_string(...) xml_string(va(__VA_ARGS__)) // syntax sugar: string
# define xml_int(...) atoi(xml_string(__VA_ARGS__)) // syntax sugar: int
# define xml_float(...) atof(xml_string(__VA_ARGS__)) // syntax sugar: float
# define xml_blob(...) xml_blob(va(__VA_ARGS__)) // syntax sugar: base64 blob
# define xml_count(...) xml_count(va(__VA_ARGS__)) // syntax sugar: count nodes
API void xml_pop ( ) ;
API bool data_tests ( ) ;
# line 0
# line 1 "v4k_extend.h"
// dll ------------------------------------------------------------------------
/// !!! `filename` must contain extension
/// load dynamic library `file` and search for `symbol`
/// return: NULL if not found, found symbol otherwise.
/// filename: path to dynamic library file. must contain extension.
/// symbol: symbol name. must not be NULL.
/// see: dlopen^, dlclose^
/// > bool (*plugin_init)(void) = dll("plugin.dll", "init");
/// > assert(plugin_init());
API void * dll ( const char * filename , const char * symbol ) ;
// -----------------------------------------------------------------------------
// script framework
enum {
SCRIPT_LUA = 1 ,
SCRIPT_DEBUGGER = 2 ,
} ;
API void script_init ( ) ; // @deprecate
API void * script_init_env ( unsigned flags ) ;
API bool script_push ( void * env ) ;
API void script_run ( const char * script ) ;
API void script_runfile ( const char * pathfile ) ;
API void script_bind_class ( const char * objname , int num_methods , const char * * c_names , void * * c_functions ) ;
API void script_bind_function ( const char * c_name , void * c_function ) ;
API void script_call ( const char * lua_function ) ;
API bool script_tests ( ) ;
API bool script_pop ( ) ;
# line 0
# line 1 "v4k_file.h"
// -----------------------------------------------------------------------------
// files, cache and virtual filesystem (registered directories and/or compressed zip archives).
// - rlyeh, public domain.
//
// - note: vfs_mount() order matters (last mounts have higher priority).
// - note: directory/with/trailing/slash/ as mount_point, or zip/tar/pak archive otherwise.
//
// @todo: file_mmap
// @todo: file_find() from first file_scan()
// physical filesystem. files
API array ( char * ) file_list ( const char * pathmasks ) ; // folder/*.ico;**.png;*.c
API bool file_write ( const char * file , const void * ptr , int len ) ;
API bool file_append ( const char * file , const void * ptr , int len ) ;
API char * file_read ( const char * filename ) ;
API char * file_load ( const char * filename , int * len ) ;
API uint64_t file_size ( const char * pathfile ) ;
API bool file_directory ( const char * pathfile ) ;
API char * file_pathabs ( const char * pathfile ) ; // ../dir/./file.ext -> c:/prj/dir/file.ext
API char * file_path ( const char * pathfile ) ; // c:/prj/dir/file.ext -> c:/prj/dir/
API char * file_name ( const char * pathfile ) ; // c:/prj/dir/file.ext -> file.ext
API char * file_base ( const char * pathfile ) ; // c:/prj/dir/file.ext -> file
API char * file_ext ( const char * pathfile ) ; // c:/prj/dir/file.ext -> .ext
API char * file_id ( const char * pathfile ) ; // c:/prj/dir/file.ext -> file/dir/prj (name then alphabetical)
API char * file_normalize ( const char * pathfile ) ; // c:/prj/dir/file.ext -> c/prj/dir/file_ext
//API char * file_normalize_with_folder(const char *pathfile); // c:/prj/dir/file.ext -> dir/file_ext
API char * file_counter ( const char * pathfile ) ; // in: v4k.ini -> out: v4k(001).ini -> out: v4k(002).ini [-> etc...]
API uint64_t file_stamp ( const char * pathfile ) ; // 1616153596 (seconds since unix epoch)
API uint64_t file_stamp10 ( const char * pathfile ) ; // 20210319113316 (absolute datetime in base10)
API bool file_exist ( const char * pathfile ) ;
API bool file_delete ( const char * pathfile ) ;
API bool file_copy ( const char * src , const char * dst ) ;
API bool file_move ( const char * src , const char * dst ) ;
API FILE * file_temp ( ) ;
API char * file_tempname ( ) ;
API void * file_md5 ( const char * file ) ; // 16 bytes
API void * file_sha1 ( const char * file ) ; // 20 bytes
API void * file_crc32 ( const char * file ) ; // 4 bytes
// compressed files
API array ( char * ) file_zip_list ( const char * zipfile ) ;
API array ( char ) file_zip_extract ( const char * zipfile , const char * filename ) ;
API bool file_zip_append ( const char * zipfile , const char * filename , int clevel ) ;
API bool file_zip_appendmem ( const char * zipfile , const char * entryname , const void * ptr , unsigned len , int clevel ) ;
// storage (emscripten only)
// Mounts local storage folder for writing. Useful for Emscripten only. @path_folder: "/save" for example
// Reads local storage to memory. Usually call it one time only, after mount. Useful for Emscripten only.
// Writes memory contents to local storage. Usually call it after all fclose
API void storage_mount ( const char * folder ) ;
API void storage_read ( ) ;
API void storage_flush ( ) ;
// virtual filesystem
API bool vfs_mount ( const char * mount_point ) ;
API array ( char * ) vfs_list ( const char * masks ) ; // **.png;*.c
API char * vfs_read ( const char * pathfile ) ;
API char * vfs_load ( const char * pathfile , int * size ) ;
API int vfs_size ( const char * pathfile ) ;
API void vfs_reload ( ) ;
API const char * vfs_resolve ( const char * fuzzyname ) ; // guess best match. @todo: fuzzy path
//API const char*vfs_extract(const char *pathfile); // extracts vfs file into local filesystem (temporary file), so it can be read by foreign/3rd party libs
API FILE * vfs_handle ( const char * pathfile ) ; // same as above, but returns file handle instead. preferred way, will clean descriptors at exit
// cache
API void * cache_insert ( const char * key , void * value , int size ) ;
API void * cache_lookup ( const char * key , int * size ) ;
// ini
// @todo: evaluate alt api #1
// char *ini(filename, section.key, default);
// float inif(filename, section.key, default);
// @todo: evaluate alt api #2
// char *val = ini(filename, section_key);
// int count = ini_count(filename);
// char *key = ini_key_id(filename, id);
// char *val = ini_val_id(filename, id);
typedef map ( char * , char * ) ini_t ;
API ini_t ini ( const char * filename ) ;
API ini_t ini_from_mem ( const char * data ) ;
API void ini_destroy ( ini_t ) ;
API bool ini_write ( const char * filename , const char * section , const char * key , const char * value ) ;
# line 0
# line 1 "v4k_font.h"
// -----------------------------------------------------------------------------
// font framework
// - rlyeh, public domain
// font size tags
# define FONT_H1 "\1" // largest
# define FONT_H2 "\2"
# define FONT_H3 "\3"
# define FONT_H4 "\4"
# define FONT_H5 "\5"
# define FONT_H6 "\6" // smallest
// font color tags
# define FONT_COLOR1 "\x1a"
# define FONT_COLOR2 "\x1b"
# define FONT_COLOR3 "\x1c"
# define FONT_COLOR4 "\x1d"
# define FONT_COLOR5 "\x1e"
# define FONT_COLOR6 "\x1f"
// font face tags
# define FONT_FACE1 "\x10"
# define FONT_FACE2 "\x11"
# define FONT_FACE3 "\x12"
# define FONT_FACE4 "\x13"
# define FONT_FACE5 "\x14"
# define FONT_FACE6 "\x15"
# define FONT_FACE7 "\x16"
# define FONT_FACE8 "\x17" // editor may override this one
# define FONT_FACE9 "\x18" // editor may override this one
# define FONT_FACE10 "\x19" // editor may override this one
// font align tags
# define FONT_LEFT "\\<"
# define FONT_CENTER "\\|"
# define FONT_JUSTIFY "\\$"
# define FONT_RIGHT "\\>"
# define FONT_TOP "\\^"
# define FONT_MIDDLE "\\-"
# define FONT_BASELINE "\\_"
# define FONT_BOTTOM "\\v"
// font flags
enum FONT_FLAGS {
// font atlas size
FONT_512 = 0x0 ,
FONT_1024 = 0x1 ,
FONT_2048 = 0x2 ,
FONT_4096 = 0x4 ,
// font oversampling
FONT_NO_OVERSAMPLE = 0x0 ,
FONT_OVERSAMPLE_X = 0x08 ,
FONT_OVERSAMPLE_Y = 0x10 ,
// unicode ranges
FONT_ASCII = 0x800 , // Compatible charset
FONT_AR = 0x001000 , // Arabic and Arabic-Indic digits
FONT_ZH = 0x002000 , // Chinese Simplified (@todo: add ZH_FULL)
FONT_EL = 0x004000 , // Greek, Coptic, modern Georgian, Svan, Mingrelian, Ancient Greek
FONT_EM = 0x008000 , // Emoji
FONT_EU = 0x010000 , // Eastern/western Europe, IPA, Latin ext A/B
FONT_HE = 0x020000 , // Hebrew, Yiddish, Ladino, and other diaspora languages
FONT_JP = 0x040000 , // Hiragana, Katakana, Punctuations, Half-width chars
FONT_KR = 0x080000 , // Korean, Hangul
FONT_RU = 0x100000 , // Cyrillic + ext A/B
FONT_TH = 0x200000 , // Thai
FONT_VI = 0x400000 , // Vietnamese
FONT_CJK = FONT_ZH | FONT_JP | FONT_KR ,
// FONT_DEFAULTS = FONT_512 | FONT_NO_OVERSAMPLE | FONT_ASCII,
} ;
typedef struct font_metrics_t {
float ascent ; // max distance above baseline for all glyphs
float descent ; // max distance below baseline for all glyphs
float linegap ; // distance between ascent of next line and descent of current line
float linedist ; // distance between the baseline of two lines (ascent - descent + linegap)
} font_metrics_t ;
// configures
API void font_face ( const char * face_tag , const char * filename_ttf , float font_size , unsigned flags ) ;
API void font_face_from_mem ( const char * tag , const void * ttf_buffer , unsigned ttf_len , float font_size , unsigned flags ) ;
API void font_scale ( const char * face_tag , int scale_index , float value ) ;
API void font_scales ( const char * face_tag , float h1 , float h2 , float h3 , float h4 , float h5 , float h6 ) ;
API void font_color ( const char * color_tag , uint32_t color ) ;
// commands
API vec2 font_xy ( ) ;
API void font_goto ( float x , float y ) ;
API vec2 font_print ( const char * text ) ;
API vec2 font_clip ( const char * text , vec4 rect ) ;
API const char * font_wrap ( const char * text , float max_width ) ;
API vec2 font_rect ( const char * text ) ;
API font_metrics_t font_metrics ( const char * text ) ;
// syntax highlighting
API void * font_colorize ( const char * text , const char * comma_types , const char * comma_keywords ) ; // comma separated tokens. expensive, please cache result.
API vec2 font_highlight ( const char * text , const void * colors ) ;
// ui
API void ui_font ( ) ;
# line 0
# line 1 "v4k_input.h"
// -----------------------------------------------------------------------------
// input framework
// - rlyeh, public domain
//
// @todo: window
// @todo: for extra savings (168->72 bytes), promote bits to real bits (/8 %8) & normalized floats [-1,+1] to shorts or chars
// @todo: GAMEPAD_A|2, MOUSE_L|1, KEY_C|3
// @todo: load/save
// @todo: send virtual presses & outputs (rumble, light, led, text, etc)
// @todo: fix if logger !60 hz
// @tofo: fix click2/repeat edge cases
API int input_use ( int controller_id ) ; // [0..3]
// -- basic polling api (read input at current frame)
API float input ( int vk ) ;
API vec2 input2 ( int vk ) ;
API float input_diff ( int vk ) ; // @todo: rename diff->delta
API vec2 input_diff2 ( int vk ) ; // @todo: rename diff2->delta2
API const char * input_string ( int vk ) ;
// -- extended polling api (read input at Nth frame ago)
API float input_frame ( int vk , int Nth_frame ) ;
API vec2 input_frame2 ( int vk , int Nth_frame ) ;
// -- events api
API int input_up ( int vk ) ; // ON -> OFF (release)
API int input_down ( int vk ) ; // OFF -> ON (trigger)
API int input_held ( int vk ) ; // ON -> ON (pressed)
API int input_idle ( int vk ) ; // OFF -> OFF
API int input_click ( int vk , int ms ) ; // OFF -> ON -> OFF
API int input_click2 ( int vk , int ms ) ; // OFF -> ON -> OFF -> ON -> OFF
API int input_repeat ( int vk , int ms ) ; // [...] ON -> ON -> ON
API int input_chord2 ( int vk1 , int vk2 ) ; // all vk1 && vk2 are ON
API int input_chord3 ( int vk1 , int vk2 , int vk3 ) ; // all vk1 && vk2 && vk3 are ON
API int input_chord4 ( int vk1 , int vk2 , int vk3 , int vk4 ) ; // all vk1 && vk2 && vk3 && vk4 are ON
// -- 1d/2d filters
API float input_filter_positive ( float v ) ; // [-1..1] -> [0..1]
API vec2 input_filter_positive2 ( vec2 v ) ; // [-1..1] -> [0..1]
API vec2 input_filter_deadzone ( vec2 v , float deadzone_treshold ) ;
API vec2 input_filter_deadzone_4way ( vec2 v , float deadzone_treshold ) ;
// -- multi-touch
enum TOUCH_BUTTONS {
TOUCH_0 , // defaults to left screen area. input_touch_area() to override
TOUCH_1 , // defaults to right screen area. input_touch_area() to override
} ;
API void input_touch_area ( unsigned button , vec2 begin_coord_ndc , vec2 end_coord_ndc ) ;
API vec2 input_touch ( unsigned button , float sensitivity ) ; // absolute position in 2d coords
API vec2 input_touch_delta ( unsigned button , float sensitivity ) ; // delta from previous position
API vec2 input_touch_delta_from_origin ( unsigned button , float sensitivity ) ; // relative position from initial touch
API bool input_touch_active ( ) ;
// -- utils
API void input_mappings ( const char * filename ) ; // update gamepad mappings (usually "gamecontrollerdb.txt" file)
API char input_keychar ( unsigned code ) ; // Converts keyboard code to its latin char (if any)
API int input_enum ( const char * sym ) ;
API int input_anykey ( ) ;
API int input_eval ( const char * expression ) ; // "down(X)*input(CTRL)"
// inject state
API void input_send ( int vk ) ; // @todo
// load/save input
API array ( char ) save_input ( ) ; // @todo
API bool load_input ( array ( char ) replay ) ; // @todo
// visualize input
API int ui_keyboard ( ) ;
API int ui_mouse ( ) ;
API int ui_gamepad ( int id ) ;
API int ui_gamepads ( ) ;
// --
enum INPUT_ENUMS {
// -- bits: x104 keyboard, x3 mouse, x15 gamepad, x7 window
// keyboard gaming keys (53-bit): first-class keys for gaming
KEY_0 , KEY_1 , KEY_2 , KEY_3 , KEY_4 , KEY_5 , KEY_6 , KEY_7 , KEY_8 , KEY_9 , KEY_TICK , KEY_BS , KEY_ESC ,
KEY_TAB , KEY_Q , KEY_W , KEY_E , KEY_R , KEY_T , KEY_Y , KEY_U , KEY_I , KEY_O , KEY_P ,
KEY_CAPS , KEY_A , KEY_S , KEY_D , KEY_F , KEY_G , KEY_H , KEY_J , KEY_K , KEY_L , KEY_ENTER ,
KEY_LSHIFT , KEY_Z , KEY_X , KEY_C , KEY_V , KEY_B , KEY_N , KEY_M , KEY_RSHIFT , KEY_UP ,
KEY_LCTRL , KEY_LALT , KEY_SPACE , KEY_RALT , KEY_RCTRL , KEY_LEFT , KEY_DOWN , KEY_RIGHT ,
// for completeness, secondary keys below (52-bit). beware!
KEY_INS , KEY_HOME , KEY_PGUP , KEY_DEL , KEY_END , KEY_PGDN , // beware: different behavior win/osx (also, osx: no home/end).
KEY_LMETA , KEY_RMETA , KEY_MENU , KEY_PRINT , KEY_PAUSE , KEY_SCROLL , KEY_NUMLOCK , // beware: may trigger unexpected OS behavior. (@todo: add RSHIFT here for win?)
KEY_MINUS , KEY_EQUAL , KEY_LSQUARE , KEY_RSQUARE , KEY_SEMICOLON , KEY_QUOTE , KEY_HASH , KEY_BAR , KEY_COMMA , KEY_DOT , KEY_SLASH , // beware: non-us keyboard layouts
KEY_F1 , KEY_F2 , KEY_F3 , KEY_F4 , KEY_F5 , KEY_F6 , KEY_F7 , KEY_F8 , KEY_F9 , KEY_F10 , KEY_F11 , KEY_F12 , // beware: complicated on laptops/osx
KEY_PAD1 , KEY_PAD2 , KEY_PAD3 , KEY_PAD4 , KEY_PAD5 , KEY_PAD6 , KEY_PAD7 , KEY_PAD8 , KEY_PAD9 , KEY_PAD0 , // beware: complicated on laptops
KEY_PADADD , KEY_PADSUB , KEY_PADMUL , KEY_PADDIV , KEY_PADDOT , KEY_PADENTER , // beware: complicated on laptops
MOUSE_L , MOUSE_M , MOUSE_R , // @todo: MOUSE_CLICKS,
GAMEPAD_CONNECTED , GAMEPAD_A , GAMEPAD_B , GAMEPAD_X , GAMEPAD_Y ,
GAMEPAD_UP , GAMEPAD_DOWN , GAMEPAD_LEFT , GAMEPAD_RIGHT , GAMEPAD_MENU , GAMEPAD_START ,
GAMEPAD_LB , GAMEPAD_RB , GAMEPAD_LTHUMB , GAMEPAD_RTHUMB ,
WINDOW_BLUR , WINDOW_FOCUS , WINDOW_CLOSE , WINDOW_MINIMIZE , WINDOW_MAXIMIZE , WINDOW_FULLSCREEN , WINDOW_WINDOWED , // MINI/MAXI/RESTORED, SHOWN/HIDDEN
// -- floats: x7 gamepad, x3 mouse, x4 touch, x4 window
GAMEPAD_LPAD , GAMEPAD_LPADX = GAMEPAD_LPAD , GAMEPAD_LPADY ,
GAMEPAD_RPAD , GAMEPAD_RPADX = GAMEPAD_RPAD , GAMEPAD_RPADY ,
GAMEPAD_LTRIGGER , GAMEPAD_LT = GAMEPAD_LTRIGGER , GAMEPAD_RTRIGGER , GAMEPAD_RT = GAMEPAD_RTRIGGER , GAMEPAD_BATTERY ,
MOUSE , MOUSE_X = MOUSE , MOUSE_Y , MOUSE_W ,
TOUCH_X1 , TOUCH_Y1 , TOUCH_X2 , TOUCH_Y2 ,
WINDOW_RESIZE , WINDOW_RESIZEX = WINDOW_RESIZE , WINDOW_RESIZEY , WINDOW_ORIENTATION , WINDOW_BATTERY ,
// -- strings: x2 gamepad
GAMEPAD_GUID , GAMEPAD_NAME ,
} ;
// these aliases do check both left and right counterparts
enum INPUT_ALIASES {
KEY_SHIFT = KEY_LSHIFT ,
KEY_ALT = KEY_LALT ,
KEY_CTRL = KEY_LCTRL ,
} ;
# line 0
# line 1 "v4k_memory.h"
// -----------------------------------------------------------------------------
// memory framework
// - rlyeh, public domain
// memory leaks detector
# if ENABLE_MEMORY_LEAKS
# define WATCH(ptr,sz) watch((ptr), (sz))
# define FORGET(ptr) forget(ptr)
# else
# define WATCH(ptr,sz) (ptr)
# define FORGET(ptr) (ptr)
# endif
// default allocator (aborts on out-of-mem)
API void * xrealloc ( void * p , size_t sz ) ;
API size_t xsize ( void * p ) ;
API char * xstats ( void ) ;
// stack based allocator (negative bytes does rewind stack, like when entering new frame)
API void * stack ( int bytes ) ;
// memory leaks api (this is already integrated as long as you compile with -DENABLE_MEMORY_LEAKS)
API void * watch ( void * ptr , int sz ) ;
API void * forget ( void * ptr ) ;
// memory api
# define ALLOCSIZE(p) xsize(p)
# define MALLOC(n) REALLOC_(0,(n))
# define FREE(p) REALLOC_((p), 0)
# define REALLOC(p,n) REALLOC_((p),(n))
# define CALLOC(m,n) CALLOC_((m),(n))
# define STRDUP(s) STRDUP_(s)
# define ALLOCA(n) ifdef(gcc, __builtin_alloca(n), _alloca(n))
static FORCE_INLINE void * ( REALLOC_ ) ( void * p , size_t n ) { return n ? WATCH ( xrealloc ( p , n ) , n ) : xrealloc ( FORGET ( p ) , 0 ) ; } ///-
static FORCE_INLINE void * ( CALLOC_ ) ( size_t m , size_t n ) { return n * = m , memset ( REALLOC ( 0 , n ) , 0 , n ) ; } ///-
static FORCE_INLINE char * ( STRDUP_ ) ( const char * s ) { size_t n = strlen ( s ) + 1 ; return ( ( char * ) memcpy ( REALLOC ( 0 , n ) , s , n ) ) ; } ///-
# line 0
# line 1 "v4k_network.h"
// -----------------------------------------------------------------------------
// network framework
// - rlyeh, public domain
API array ( char ) download ( const char * url ) ;
API int download_file ( FILE * out , const char * url ) ;
API int portname ( const char * service_name , unsigned retries ) ;
API bool network_tests ( ) ;
// -----------------------------------------------------------------------------
// udp wrapper
// - rlyeh, public domain.
// server
API int udp_bind ( const char * address , const char * port ) ;
// client
API int udp_open ( const char * address , const char * port ) ;
// common
API int udp_send ( int , const void * buf , int len ) ; // <0 error, >0 bytes sent ok
API int udp_sendto ( int , const char * ip , const char * port , const void * buf , int len ) ; // <0 error, >0 bytes sent ok
API int udp_recv ( int , void * buf , int len ) ; // <0 error, 0 orderly shutdown, >0 received bytes
API int udp_peek ( int ) ; // <0 error, 0 timeout, >0 data
// -----------------------------------------------------------------------------
// tcp wrapper
// - rlyeh, public domain
// client
API int tcp_open ( const char * address , const char * port ) ;
// server
API int tcp_bind ( const char * interface_ , const char * port , int queue ) ;
API int tcp_peek ( int , int ( * callback ) ( int ) ) ;
// common
API int tcp_send ( int , const void * buf , int len ) ;
API int tcp_recv ( int , void * buf , int len ) ;
API char * tcp_host ( int ) ; // info
API char * tcp_port ( int ) ; // info
API int tcp_close ( int ) ;
// extras
API int tcp_debug ( int ) ; // toggle traffic monitoring on/off for given socket
//API int tcp_printf(int, const char *fmt, ...); // printf message in remote end
//API int tcp_crypt(int,uint64_t); // set shared secret
# line 0
# line 1 "v4k_track.h"
# ifndef TRACK_SEND_BUFSIZE
# define TRACK_SEND_BUFSIZE 576
# endif
//~ Errors
# define TRACK_ERROR_INIT_FAIL 1
# define TRACK_ERROR_SOCKET_FAIL 2
# define TRACK_ERROR_SOCKET_INVALID 3
# define TRACK_ERROR_BUFFER_FULL 4
# define TRACK_ERROR_SEND_FAIL 5
# define TRACK_ERROR_INPUT_INVALID 6
/// Initialises telemetry and connects to the specified endpoint.
/// return: error code
/// host: IP address / domain of the endpoint
/// port: service name / port
/// see: track_event, track_ident, track_group
API int track_init ( char const * host , char const * port ) ;
/// Destroys the currently established telemetry socket.
/// return: error code
/// No parameters needed for this function.
API int track_destroy ( void ) ;
/// Sends an EVENT message to the server.
/// return: error code
/// event_id: Identifier for the event type.
/// user_id: Identifier for the user.
/// json_payload: JSON-formatted metadata for the event.
API int track_event ( char const * event_id , char const * user_id , char const * json_payload ) ;
/// Sends user identification to the server.
/// return: error code
/// user_id: Identifier for the user.
/// traits: JSON-formatted traits or attributes of the user.
API int track_ident ( char const * user_id , char const * traits ) ;
/// Associates a user to a group.
/// return: error code
/// user_id: Identifier for the user.
/// group_id: Identifier for the group.
/// traits: JSON-formatted traits or attributes of the group.
API int track_group ( char const * user_id , char const * group_id , char const * traits ) ;
//~ Event utilities
/// Structure to represent key-value pairs for event properties.
typedef struct track_prop {
char const * key ;
char const * val ;
} track_prop ;
/// Sends an EVENT message with custom properties.
/// return: error code
/// event_id: Identifier for the event type.
/// user_id: Identifier for the user.
/// props: Array of key-value pairs. Terminates when key is set to NULL.
API int track_event_props ( char const * event_id , char const * user_id , const track_prop * props ) ;
# line 0
# line 1 "v4k_netsync.h"
// high-level, socket-less networking api. inspired by Quake, MPI and RenderBuckets theories.
// - rlyeh, public domain
//
// Usage:
// 1. configure networked memory buffers with flags (world, player1, player2, etc). network_buffer();
// 2. then during game loop:
// - modify your buffers as much as needed.
// - sync buffers at least once per frame. network_sync();
// - render your world
// 3. optionally, monitor network status & variables. network_get();
//
// @todo: maybe network_send(msg) + msg *network_recv(); instead of event queue of network_sync() ?
//enum { NETWORK_HANDSHAKE, NETWORK_ENCRYPT, NETWORK_VERSIONED, NETWORK_CHECKSUM }; // negotiation
//enum { NETWORK_TCP, NETWORK_UDP, NETWORK_KCP, NETWORK_ENET, NETWORK_WEBSOCKET }; // transport, where
enum { NETWORK_BIND = 2 , NETWORK_CONNECT = 4 , NETWORK_NOFAIL = 8 } ;
API void network_create ( unsigned max_clients , const char * ip , const char * port , unsigned flags ) ; // both ip and port can be null
//enum { NETWORK_LOSSY, NETWORK_COMPRESS }; // post-processes
//enum { NETWORK_PREDICT, NETWORK_RECONCILE, NETWORK_INTERPOLATE, NETWORK_COMPENSATE }; // time authority, when
//enum { NETWORK_LAGS, NETWORK_DROPS, NETWORK_THROTTLES, NETWORK_DUPES }; // quality sim, how much
//enum { NETWORK_CONST = 1, NETWORK_64,NETWORK_32,NETWORK_16,NETWORK_8, NETWORK_FLT, NETWORK_STR, NETWORK_BLOB }; // type, what
enum { NETWORK_SEND = 2 , NETWORK_RECV = 4 } ;
enum { NETWORK_UNRELIABLE = 8 , NETWORK_UNORDERED = 16 /*, NETWORK_PRIORITY = 32*/ } ;
API void * network_buffer ( void * ptr , unsigned sz , uint64_t flags , int64_t rank ) ; // configures a shared/networked buffer
API char * * network_sync ( unsigned timeout_ms ) ; // syncs all buffers & returns null-terminated list of network events
enum {
NETWORK_EVENT_CONNECT ,
NETWORK_EVENT_DISCONNECT ,
NETWORK_EVENT_RECEIVE ,
NETWORK_EVENT_DISCONNECT_TIMEOUT ,
/* offset from internal networking events */
NETWORK_EVENT_RPC = 10 ,
NETWORK_EVENT_RPC_RESP ,
} ;
/* errcode and errstr are optional arguments, pass NULL to ignore them,
errstr is filled by va ( ) */
API int network_event ( const char * msg , int * errcode , char * * errstr ) ;
enum { NETWORK_RANK = 0 } ; // [0..N] where 0 is server
enum { NETWORK_PING = 1 } ; // NETWORK_BANDWIDTH, NETWORK_QUALITY };
enum { NETWORK_PORT = 2 , NETWORK_IP , NETWORK_LIVE } ;
enum { NETWORK_SEND_MS = 4 } ;
enum { NETWORK_BUF_CLEAR_ON_JOIN = 5 } ;
enum { NETWORK_USERID = 7 , /*NETWORK_SALT,*/ NETWORK_COUNT /*N users*/ /*...*/ , NETWORK_CAPACITY } ;
API int64_t network_get ( uint64_t key ) ;
API int64_t network_put ( uint64_t key , int64_t value ) ;
API void network_rpc ( const char * signature , void * function ) ;
API void network_rpc_send_to ( int64_t rank , unsigned id , const char * cmdline ) ;
API void network_rpc_send ( unsigned id , const char * cmdline ) ;
// -----------------------------------------------------------------------------
// low-level api (sockets based)
API bool server_bind ( int max_clients , int port ) ;
API char * * server_poll ( unsigned timeout_ms ) ;
API char * * client_poll ( unsigned timeout_ms ) ;
API void server_broadcast_bin_flags ( const void * ptr , int len , uint64_t flags ) ;
API void server_broadcast_bin ( const void * ptr , int len ) ;
API void server_broadcast_flags ( const char * msg , uint64_t flags ) ;
API void server_broadcast ( const char * msg ) ;
API void server_terminate ( ) ;
API void server_send ( int64_t handle , const char * msg ) ;
API void server_send_bin ( int64_t handle , const void * ptr , int len ) ;
API void server_drop ( int64_t handle ) ;
API int64_t client_join ( const char * ip , int port ) ;
# define client_send_flags(msg,flags) server_broadcast(msg, flags)
# define client_send(msg) server_broadcast(msg)
# define client_send_bin_flags(ptr,len,flags) server_broadcast_bin(ptr, len, flags)
# define client_send_bin(ptr,len) server_broadcast_bin(ptr, len)
# define client_terminate() server_terminate()
# define ANYHOST_IPV4 "0.0.0.0"
# define ANYHOST_IPV6 "::0"
# define LOCALHOST_IPV4 "127.0.0.1"
# define LOCALHOST_IPV6 "::1"
# line 0
# line 1 "v4k_pack.h"
// ----------------------------------------------------------------------------
// compression api
enum COMPRESS_FLAGS {
COMPRESS_RAW = 0 ,
COMPRESS_PPP = ( 1 < < 4 ) ,
COMPRESS_ULZ = ( 2 < < 4 ) ,
COMPRESS_LZ4 = ( 3 < < 4 ) ,
COMPRESS_CRUSH = ( 4 < < 4 ) ,
COMPRESS_DEFLATE = ( 5 < < 4 ) ,
COMPRESS_LZP1 = ( 6 < < 4 ) ,
COMPRESS_LZMA = ( 7 < < 4 ) ,
COMPRESS_BALZ = ( 8 < < 4 ) ,
COMPRESS_LZW3 = ( 9 < < 4 ) ,
COMPRESS_LZSS = ( 10 < < 4 ) ,
COMPRESS_BCM = ( 11 < < 4 ) ,
COMPRESS_ZLIB = ( 12 < < 4 ) , // same as deflate with header
} ;
API unsigned zbounds ( unsigned inlen , unsigned flags ) ;
API unsigned zencode ( void * out , unsigned outlen , const void * in , unsigned inlen , unsigned flags ) ;
API unsigned zexcess ( unsigned flags ) ;
API unsigned zdecode ( void * out , unsigned outlen , const void * in , unsigned inlen , unsigned flags ) ;
// ----------------------------------------------------------------------------
// array de/interleaving
//
// results:
// R0G0B0 R1G1B1 R2G2B2... -> R0R1R2... B0B1B2... G0G1G2...
// R0G0B0A0 R1G1B1A1 R2G2B2A2... -> R0R1R2... A0A1A2... B0B1B2... G0G1G2...
API void * interleave ( void * out , const void * list , int list_count , int sizeof_item , unsigned columns ) ;
// ----------------------------------------------------------------------------
// cobs en/decoder
API unsigned cobs_bounds ( unsigned len ) ;
API unsigned cobs_encode ( const void * in , unsigned inlen , void * out , unsigned outlen ) ;
API unsigned cobs_decode ( const void * in , unsigned inlen , void * out , unsigned outlen ) ;
// ----------------------------------------------------------------------------
// base92 en/decoder
API unsigned base92_encode ( const void * in , unsigned inlen , void * out , unsigned outlen ) ;
API unsigned base92_decode ( const void * in , unsigned inlen , void * out , unsigned outlen ) ;
API unsigned base92_bounds ( unsigned inlen ) ;
// ----------------------------------------------------------------------------
// netstring en/decoder
API unsigned netstring_bounds ( unsigned inlen ) ;
API unsigned netstring_encode ( const char * in , unsigned inlen , char * out , unsigned outlen ) ;
API unsigned netstring_decode ( const char * in , unsigned inlen , char * out , unsigned outlen ) ;
// ----------------------------------------------------------------------------
// delta en/decoder
API void delta8_encode ( void * buffer , unsigned count ) ;
API void delta8_decode ( void * buffer , unsigned count ) ;
API void delta16_encode ( void * buffer , unsigned count ) ;
API void delta16_decode ( void * buffer , unsigned count ) ;
API void delta32_encode ( void * buffer , unsigned count ) ;
API void delta32_decode ( void * buffer , unsigned count ) ;
API void delta64_encode ( void * buffer , unsigned count ) ;
API void delta64_decode ( void * buffer , unsigned count ) ;
// ----------------------------------------------------------------------------
// zigzag en/decoder
API uint64_t zig64 ( int64_t value ) ; // convert sign|magnitude to magnitude|sign
API int64_t zag64 ( uint64_t value ) ; // convert magnitude|sign to sign|magnitude
API uint32_t enczig32u ( int32_t n ) ;
API uint64_t enczig64u ( int64_t n ) ;
API int32_t deczig32i ( uint32_t n ) ;
API int64_t deczig64i ( uint64_t n ) ;
// ----------------------------------------------------------------------------
// arc4 en/decryptor
API void * arc4 ( void * buffer , unsigned buflen , const void * pass , unsigned passlen ) ;
// ----------------------------------------------------------------------------
// crc64
API uint64_t crc64 ( uint64_t h , const void * ptr , uint64_t len ) ;
// ----------------------------------------------------------------------------
// entropy encoder
API void entropy ( void * buf , unsigned n ) ;
// -----------------------------------------------------------------------------
// semantic versioning in a single byte (octal)
API int semver ( int major , int minor , int patch ) ;
API int semvercmp ( int v1 , int v2 ) ;
# define SEMVER(major,minor,patch) (0100 * (major) + 010 * (minor) + (patch))
# define SEMVERCMP(v1,v2) (((v1) & 0110) - ((v2) & 0110))
# define SEMVERFMT "%03o"
// -----------------------------------------------------------------------------
// storage types. refer to vec2i/3i, vec2/3/4 if you plan to do math operations
typedef struct byte2 { uint8_t x , y ; } byte2 ;
typedef struct byte3 { uint8_t x , y , z ; } byte3 ;
typedef struct byte4 { uint8_t x , y , z , w ; } byte4 ;
typedef struct int2 { int x , y ; } int2 ;
typedef struct int3 { int x , y , z ; } int3 ;
typedef struct int4 { int x , y , z , w ; } int4 ;
typedef struct uint2 { unsigned int x , y ; } uint2 ;
typedef struct uint3 { unsigned int x , y , z ; } uint3 ;
typedef struct uint4 { unsigned int x , y , z , w ; } uint4 ;
typedef struct float2 { float x , y ; } float2 ;
typedef struct float3 { float x , y , z ; } float3 ;
typedef struct float4 { float x , y , z , w ; } float4 ;
typedef struct double2 { double x , y ; } double2 ;
typedef struct double3 { double x , y , z ; } double3 ;
typedef struct double4 { double x , y , z , w ; } double4 ;
# define byte2(x,y) C_CAST(byte2, (uint8_t)(x), (uint8_t)(y) )
# define byte3(x,y,z) C_CAST(byte3, (uint8_t)(x), (uint8_t)(y), (uint8_t)(z) )
# define byte4(x,y,z,w) C_CAST(byte4, (uint8_t)(x), (uint8_t)(y), (uint8_t)(z), (uint8_t)(w) )
# define int2(x,y) C_CAST(int2, (int)(x), (int)(y) )
# define int3(x,y,z) C_CAST(int3, (int)(x), (int)(y), (int)(z) )
# define int4(x,y,z,w) C_CAST(int4, (int)(x), (int)(y), (int)(z), (int)(w) )
# define uint2(x,y) C_CAST(uint2, (unsigned)(x), (unsigned)(y) )
# define uint3(x,y,z) C_CAST(uint3, (unsigned)(x), (unsigned)(y), (unsigned)(z) )
# define uint4(x,y,z,w) C_CAST(uint4, (unsigned)(x), (unsigned)(y), (unsigned)(z), (unsigned)(w) )
# define float2(x,y) C_CAST(float2, (float)(x), (float)(y) )
# define float3(x,y,z) C_CAST(float3, (float)(x), (float)(y), (float)(z) )
# define float4(x,y,z,w) C_CAST(float4, (float)(x), (float)(y), (float)(z), (float)(w) )
# define double2(x,y) C_CAST(double2, (double)(x), (double)(y) )
# define double3(x,y,z) C_CAST(double3, (double)(x), (double)(y), (double)(z) )
# define double4(x,y,z,w) C_CAST(double4, (double)(x), (double)(y), (double)(z), (double)(w) )
// -----------------------------------------------------------------------------
// compile-time fourcc, eightcc
API char * cc4str ( unsigned cc ) ;
API char * cc8str ( uint64_t cc ) ;
enum {
# define _(a,b,c,d,e) cc__##a, cc__##b, cc__##c, cc__##d, cc__##e
cc__1 = ' 1 ' , _ ( 2 , 3 , 4 , 5 , 6 ) , _ ( 7 , 8 , 9 , 0 , _ ) , cc__ = ' ' ,
cc__A = ' A ' , _ ( B , C , D , E , F ) , _ ( G , H , I , J , K ) , _ ( L , M , N , O , P ) , _ ( Q , R , S , T , U ) , _ ( V , W , X , Y , Z ) ,
cc__a = ' a ' , _ ( b , c , d , e , f ) , _ ( g , h , i , j , k ) , _ ( l , m , n , o , p ) , _ ( q , r , s , t , u ) , _ ( v , w , x , y , z ) ,
# undef _
} ;
# ifdef BIG
# define cc4(a,b,c,d) ((uint32_t)(cc__##a<<24) | (cc__##b<<16) | (cc__##c<<8) | (cc__##d<<0))
# define cc8(a,b,c,d,e,f,g,h) (((uint64_t)cc4(a,b,c,d) << 32ULL) | cc4(e,f,g,h))
# else
# define cc4(a,b,c,d) ((uint32_t)(cc__##d<<24) | (cc__##c<<16) | (cc__##b<<8) | (cc__##a<<0))
# define cc8(a,b,c,d,e,f,g,h) (((uint64_t)cc4(e,f,g,h) << 32ULL) | cc4(a,b,c,d))
# endif
# define cc3(a,b,c) cc4(,a,b,c)
# define cc5(a,b,c,d,e) cc6(,a,b,c,d,e)
# define cc6(a,b,c,d,e,f) cc7(,a,b,c,d,e,f)
# define cc7(a,b,c,d,e,f,g) cc8(,a,b,c,d,e,f,g)
// ----------------------------------------------------------------------------
// text conversions
API char * ftoa1 ( float v ) ;
API char * ftoa2 ( vec2 v ) ;
API char * ftoa3 ( vec3 v ) ;
API char * ftoa4 ( vec4 v ) ;
API float atof1 ( const char * s ) ;
API vec2 atof2 ( const char * s ) ;
API vec3 atof3 ( const char * s ) ;
API vec4 atof4 ( const char * s ) ;
API char * itoa1 ( int v ) ;
API char * itoa2 ( vec2i v ) ;
API char * itoa3 ( vec3i v ) ;
API int atoi1 ( const char * s ) ;
API vec2i atoi2 ( const char * s ) ;
API vec3i atoi3 ( const char * s ) ;
// ----------------------------------------------------------------------------
// endianness
API int is_big ( ) ;
API int is_little ( ) ;
API uint16_t swap16 ( uint16_t x ) ;
API uint32_t swap32 ( uint32_t x ) ;
API uint64_t swap64 ( uint64_t x ) ;
API float swap32f ( float n ) ;
API double swap64f ( double n ) ;
API void swapf ( float * a , float * b ) ;
API void swapf2 ( vec2 * a , vec2 * b ) ;
API void swapf3 ( vec3 * a , vec3 * b ) ;
API void swapf4 ( vec4 * a , vec4 * b ) ;
API uint16_t lil16 ( uint16_t n ) ; // swap16 as lil
API uint32_t lil32 ( uint32_t n ) ; // swap32 as lil
API uint64_t lil64 ( uint64_t n ) ; // swap64 as lil
API float lil32f ( float n ) ; // swap32 as lil
API double lil64f ( double n ) ; // swap64 as lil
API uint16_t big16 ( uint16_t n ) ; // swap16 as big
API uint32_t big32 ( uint32_t n ) ; // swap32 as big
API uint64_t big64 ( uint64_t n ) ; // swap64 as big
API float big32f ( float n ) ; // swap32 as big
API double big64f ( double n ) ; // swap64 as big
API uint16_t * lil16p ( void * p , int sz ) ;
API uint32_t * lil32p ( void * p , int sz ) ;
API uint64_t * lil64p ( void * p , int sz ) ;
API float * lil32pf ( void * p , int sz ) ;
API double * lil64pf ( void * p , int sz ) ;
API uint16_t * big16p ( void * p , int sz ) ;
API uint32_t * big32p ( void * p , int sz ) ;
API uint64_t * big64p ( void * p , int sz ) ;
API float * big32pf ( void * p , int sz ) ;
API double * big64pf ( void * p , int sz ) ;
# if is(cl)
# define swap16 _byteswap_ushort
# define swap32 _byteswap_ulong
# define swap64 _byteswap_uint64
# elif is(gcc)
# define swap16 __builtin_bswap16
# define swap32 __builtin_bswap32
# define swap64 __builtin_bswap64
# endif
# define hton16 big16
# define ntoh16 big16
# define hton32 big32
# define ntoh32 big32
# define hton64 big64
# define ntoh64 big64
# define IS_BIG ((*(uint16_t *)"\0\1") == 1)
# define IS_LITTLE ((*(uint16_t *)"\0\1") != 1)
// ----------------------------------------------------------------------------
// half packing
typedef uint16_t half ;
API float half_to_float ( half value ) ;
API half float_to_half ( float value ) ;
// ----------------------------------------------------------------------------
// int packing
// pack16i() -- store a 16-bit int into a char buffer (like htons())
// pack32i() -- store a 32-bit int into a char buffer (like htonl())
// pack64i() -- store a 64-bit int into a char buffer (like htonl())
API void pack16i ( uint8_t * buf , uint16_t i , int swap ) ;
API void pack32i ( uint8_t * buf , uint32_t i , int swap ) ;
API void pack64i ( uint8_t * buf , uint64_t i , int swap ) ;
// unpack16i() -- unpack a 16-bit int from a char buffer (like ntohs())
// unpack32i() -- unpack a 32-bit int from a char buffer (like ntohl())
// unpack64i() -- unpack a 64-bit int from a char buffer (like ntohl())
// changes unsigned numbers to signed if needed.
API int16_t unpack16i ( const uint8_t * buf , int swap ) ;
API int32_t unpack32i ( const uint8_t * buf , int swap ) ;
API int64_t unpack64i ( const uint8_t * buf , int swap ) ;
// ----------------------------------------------------------------------------
// float un/packing: 8 (micro), 16 (half), 32 (float), 64 (double) types
# define pack754_8(f) ( pack754((f), 8, 4))
# define pack754_16(f) ( pack754((f), 16, 5))
# define pack754_32(f) ( pack754((f), 32, 8))
# define pack754_64(f) ( pack754((f), 64, 11))
# define unpack754_8(u) (unpack754((u), 8, 4))
# define unpack754_16(u) (unpack754((u), 16, 5))
# define unpack754_32(u) (unpack754((u), 32, 8))
# define unpack754_64(u) (unpack754((u), 64, 11))
API uint64_t pack754 ( long double f , unsigned bits , unsigned expbits ) ;
API long double unpack754 ( uint64_t i , unsigned bits , unsigned expbits ) ;
// ----------------------------------------------------------------------------
// variable-length integer packing
API uint64_t pack64uv ( uint8_t * buffer , uint64_t value ) ;
API uint64_t unpack64uv ( const uint8_t * buffer , uint64_t * value ) ;
API uint64_t pack64iv ( uint8_t * buffer , int64_t value_ ) ;
API uint64_t unpack64iv ( const uint8_t * buffer , int64_t * value ) ;
// ----------------------------------------------------------------------------
// msgpack v5, schema based struct/buffer bitpacking
// api v2
API int msgpack ( const char * fmt , . . . ) ; // va arg pack "n,b,u,d/i,s,p,f/g,e,[,{". returns number of written bytes
API int msgunpack ( const char * fmt , . . . ) ; // va arg pack "n,b,u,d/i,s,p,f/g,e,[,{". returns number of parsed args
// api v1
API int msgpack_new ( uint8_t * w , size_t l ) ;
API int msgpack_nil ( ) ; // write null
API int msgpack_chr ( bool n ) ; // write boolean
API int msgpack_uns ( uint64_t n ) ; // write unsigned integer
API int msgpack_int ( int64_t n ) ; // write integer
API int msgpack_str ( const char * s ) ; // write string
API int msgpack_bin ( const char * s , size_t n ) ; // write binary pointer
API int msgpack_flt ( double g ) ; // write real
API int msgpack_ext ( uint8_t key , void * val , size_t n ) ; // write extension type
API int msgpack_arr ( uint32_t n ) ; // write array mark for next N items
API int msgpack_map ( uint32_t n ) ; // write map mark for next N pairs (N keys + N values)
API int msgpack_eof ( ) ; // write full?
API int msgpack_err ( ) ; // write error?
API bool msgunpack_new ( const void * opaque_or_FILE , size_t bytes ) ;
API bool msgunpack_nil ( ) ;
API bool msgunpack_chr ( bool * chr ) ;
API bool msgunpack_uns ( uint64_t * uns ) ;
API bool msgunpack_int ( int64_t * sig ) ;
API bool msgunpack_str ( char * * str ) ;
API bool msgunpack_bin ( void * * bin , uint64_t * len ) ;
API bool msgunpack_flt ( float * flt ) ;
API bool msgunpack_dbl ( double * dbl ) ;
API bool msgunpack_ext ( uint8_t * key , void * * val , uint64_t * len ) ;
API bool msgunpack_arr ( uint64_t * len ) ;
API bool msgunpack_map ( uint64_t * len ) ;
API bool msgunpack_eof ( ) ;
API bool msgunpack_err ( ) ;
// ----------------------------------------------------------------------------
// Based on code by Brian "Beej Jorgensen" Hall (public domain) [1].
// Based on code by Ginger Bill's half<->float (public domain) [2].
// - rlyeh, public domain.
//
// pack.c -- perl/python-ish pack/unpack functions
// like printf and scanf, but for binary data.
//
// format flags:
// (<) little endian (>) big endian (! also) (=) native endian
// (c) 8-bit char (b) 8-bit byte
// (h) 16-bit half (w) 16-bit word
// (i) 32-bit integer (u) 32-bit unsigned (f) 32-bit float
// (l) 64-bit long (q) 64-bit quad (d) 64-bit double
// (v) varint
// (s) string (64-bit varint length prepended)
// (S) string (32-bit fixed length prepended)
// (m) memblock (64-bit varint length prepended)
// (M) memblock (32-bit fixed length prepended)
// (z) memblock (zeroed)
// (#) number of arguments processed (only when unpacking)
//
// @todo:
// - (x) document & test flag
// @totest:
// - (s) string (64-bit variable length automatically prepended)
// - (S) string (32-bit fixed length automatically prepended)
// - (m) memblock (64-bit variable length automatically prepended)
// - (M) memblock (32-bit fixed length automatically prepended)
// - (z) memblock (zeroed)
// - (#) number of arguments processed (only when unpacking)
// - save data dictated by the format string from the buffer. return: number of bytes written, or 0 if error.
// if first argument is zero, returns number of bytes required for packing.
API int savef ( FILE * file , const char * format , . . . ) ;
API int saveb ( unsigned char * buf , const char * format , . . . ) ;
// - load data dictated by the format string into the buffer. return: number of bytes read, or 0 if error.
// if first argument is zero, returns number of bytes required for unpacking.
API int loadf ( FILE * file , const char * format , . . . ) ;
API int loadb ( const unsigned char * buf , const char * format , . . . ) ;
# line 0
# line 1 "v4k_profile.h"
// -----------------------------------------------------------------------------
// profiler & stats (@fixme: threadsafe)
# if !ENABLE_PROFILER
# define profile(section) for(int macro(i) = 1; macro(i); macro(i) = 0)
# define profile_incstat(name, accum) do {} while(0)
# define profile_setstat(name, value) do {} while(0)
# define profiler_init() do {} while(0)
# define profiler_enable(x) 0
# define ui_profiler() do {} while(0)
# else
# define profile(section) for( \
struct profile_t * found = profiler_enabled ? \
map_find_or_add ( profiler , section " @ " FILELINE , ( struct profile_t ) { NAN } ) : NULL , \
* doit = found + ( found ? found - > cost = - time_us ( ) , 1 : 1 ) ; doit ; \
doit = found ? found - > cost + = time_us ( ) , found - > avg = found - > cost * 0.25 + found - > avg * 0.75 , NULL : NULL ) ///+
# define profile_incstat(name, accum) for( \
struct profile_t * found = profiler_enabled ? map_find_or_add ( profiler , name , ( struct profile_t ) { 0 } ) : NULL ; \
found ; found - > stat + = accum , found = NULL ) ///+
# define profile_setstat(name, value) for( \
struct profile_t * found = profiler_enabled ? map_find_or_add ( profiler , name , ( struct profile_t ) { 0 } ) : NULL ; \
found ; found - > stat = value , found = NULL ) ///+
API int profiler_enable ( bool on ) ;
struct profile_t { double stat ; int32_t cost , avg ; } ; ///-
typedef map ( char * , struct profile_t ) profiler_t ; ///-
extern API profiler_t profiler ; ///-
extern API int profiler_enabled ; ///-
# endif
# line 0
# line 1 "v4k_reflect.h"
// C reflection: enums, functions, structs, members and anotations.
// - rlyeh, public domain
//
// @todo: nested structs? pointers in members?
// @todo: declare TYPEDEF(vec3, float[3]), TYPEDEF(mat4, vec4[4]/*float[16]*/)
# ifndef OBJTYPE
# define OBJTYPE(T) 0
# endif
typedef struct reflect_t {
unsigned id , objtype ;
union {
unsigned sz ;
unsigned member_offset ;
unsigned enum_value ;
} ;
const char * name ;
const char * info ;
void * addr ;
unsigned parent ;
const char * type ;
unsigned bytes ;
} reflect_t ;
// inscribe api
# define ENUM(V, ...) \
enum_inscribe ( # V , V , " E " __VA_ARGS__ " ( " FILELINE " ) " )
# define FUNCTION(F, ...) \
function_inscribe ( # F , ( void * ) F , " F " __VA_ARGS__ " ( " FILELINE " ) " )
# define STRUCT(T, type, member, ...) \
struct_inscribe ( # T , sizeof ( T ) , OBJTYPE ( T ) , " S " " ( " FILELINE " ) " ) , \
type_inscribe ( # type , sizeof ( ( ( T ) { 0 } ) . member ) , " T " __VA_ARGS__ " ( " FILELINE " ) " ) , \
member_inscribe ( # T , # member , ( uintptr_t ) & ( ( T * ) 0 ) - > member , " M " __VA_ARGS__ " ( " FILELINE " ) " , # type , sizeof ( ( ( T ) { 0 } ) . member ) )
// find api
API unsigned enum_find ( const char * E ) ;
API void * function_find ( const char * F ) ;
API reflect_t member_find ( const char * T , const char * M ) ; /// find specific member
API void * member_findptr ( void * obj , const char * T , const char * M ) ; // @deprecate
API array ( reflect_t ) * members_find ( const char * T ) ;
// iterate members in a struct
# define each_member(T,R) \
( array ( reflect_t ) * found_ = members_find ( T ) ; found_ ; found_ = 0 ) \
for ( int it_ = 0 , end_ = array_count ( * found_ ) ; it_ ! = end_ ; + + it_ ) \
for ( reflect_t * R = & ( * found_ ) [ it_ ] ; R ; R = 0 )
// private api, still exposed
API void type_inscribe ( const char * TY , unsigned TYsz , const char * infos ) ;
API void enum_inscribe ( const char * E , unsigned Eval , const char * infos ) ;
API void struct_inscribe ( const char * T , unsigned Tsz , unsigned OBJTYPEid , const char * infos ) ;
API void member_inscribe ( const char * T , const char * M , unsigned Msz , const char * infos , const char * type , unsigned bytes ) ;
API void function_inscribe ( const char * F , void * func , const char * infos ) ;
API const char * symbol_naked ( const char * s ) ;
API int ui_reflect ( const char * mask ) ; // *, model* or NULL
# line 0
# line 1 "v4k_render.h"
// -----------------------------------------------------------------------------
// naive rendering framework
// - rlyeh, public domain
//
// IQM skeletal meshes by @lsalzman (public domain) - https://bit.ly/2OQh0Me
// SH code by @ands (public domain) - https://github.com/ands/spherical_harmonics_playground
// SHM code by @jarikomppa (unlicensed) - https://github.com/jarikomppa/shadertoolkit
typedef unsigned handle ; // GLuint
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// -----------------------------------------------------------------------------
// renderstate
typedef struct renderstate_t {
// Viewport parameters
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int viewport_x ;
int viewport_y ;
int viewport_width ;
int viewport_height ;
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// Clear color
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float clear_color [ 4 ] ;
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// Clear depth
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double clear_depth ;
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// Depth test
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bool depth_test_enabled ;
unsigned depth_func ;
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// Blending
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bool blend_enabled ;
unsigned blend_func ;
unsigned blend_src ;
unsigned blend_dst ;
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// Culling
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bool cull_face_enabled ;
unsigned cull_face_mode ;
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// Stencil test
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bool stencil_test_enabled ;
unsigned stencil_func ;
int stencil_ref ;
unsigned stencil_mask ;
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// Face culling direction
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unsigned front_face ; // GL_CW or GL_CCW
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// Line width
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bool smooth_line_enabled ;
float line_width ;
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// Point size
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bool point_size_enabled ;
float point_size ;
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// Polygon mode
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unsigned polygon_mode_face ;
unsigned polygon_mode_mode ;
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// Scissor test
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bool scissor_test_enabled ;
int scissor_box [ 4 ] ;
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} renderstate_t ;
API renderstate_t renderstate ( ) ;
API bool renderstate_compare ( const renderstate_t * stateA , const renderstate_t * stateB ) ;
API void renderstate_apply ( const renderstate_t * state ) ;
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// -----------------------------------------------------------------------------
// colors
API unsigned rgba ( uint8_t r , uint8_t g , uint8_t b , uint8_t a ) ;
API unsigned bgra ( uint8_t b , uint8_t g , uint8_t r , uint8_t a ) ;
API unsigned rgbaf ( float r , float g , float b , float a ) ;
API unsigned bgraf ( float b , float g , float r , float a ) ;
API unsigned alpha ( unsigned rgba ) ;
# define RGBX(rgb,x) ( ((rgb)&0xFFFFFF) | (((unsigned)(x))<<24) )
# define RGB3(r,g,b) ( (255<<24) | ((b)<<16) | ((g)<<8) | (r) )
# define RGB4(r,g,b,a) ( ((a)<<24) | ((b)<<16) | ((g)<<8) | (r) )
# define BLACK RGBX(0x000000,255)
# define WHITE RGBX(0xE8F1FF,255)
# define RED RGB3( 255, 0,48 )
# define GREEN RGB3( 144,255,48 )
# define CYAN RGB3( 0,192,255 )
# define ORANGE RGB3( 255,144,48 )
# define PURPLE RGB3( 102,77,102 ) // 178,128,255 )
# define YELLOW RGB3( 255,224,0 )
# define GRAY RGB3( 32,32,32 ) // dark gray
# define SILVER RGB3( 149,149,149 ) // dark white, gray-ish
# define PINK RGB3( 255,48,144 )
# define AQUA RGB3( 48,255,144 )
# define BLUE RGBX(0xB55A06,255)
API unsigned atorgba ( const char * s ) ;
API char * rgbatoa ( unsigned rgba ) ;
// -----------------------------------------------------------------------------
// images
/// flags when constructing the image_t type. see: image, image_from_mem
/// IMAGE_R: 1-channel image (R)
/// IMAGE_RG: 2-channel image (R,G)
/// IMAGE_RGB: 3-channel image (R,G,B)
/// IMAGE_RGBA: 4-channel image (R,G,B,A)
/// IMAGE_FLIP: Flip image vertically
/// IMAGE_FLOAT: Float pixel components
enum IMAGE_FLAGS {
IMAGE_R = 0x01000 ,
IMAGE_RG = 0x02000 ,
IMAGE_RGB = 0x04000 ,
IMAGE_RGBA = 0x08000 ,
IMAGE_FLIP = 0x10000 ,
IMAGE_FLOAT = 0x20000 ,
} ;
/// type that holds linear uncompressed bitmap of any given dimensions.
/// w,h: image dimensions in pixels. `x,y` alias.
/// comps: number of components per pixel. `n` alias.
/// pixels: untyped pointer to linear bitmap data. typed pointers use `pixels8/16/32/f` aliases.
/// see: texture_t
typedef struct image_t {
union { unsigned x , w ; } ;
union { unsigned y , h ; } ;
union { unsigned n , comps ; } ;
union { void * pixels ; uint8_t * pixels8 ; uint16_t * pixels16 ; uint32_t * pixels32 ; float * pixelsf ; } ;
} image_t ;
API image_t image ( const char * pathfile , int flags ) ;
API image_t image_from_mem ( const void * ptr , int len , int flags ) ;
API void image_destroy ( image_t * img ) ;
// -----------------------------------------------------------------------------
// textures
enum TEXTURE_FLAGS {
// UNIT[0..7]
TEXTURE_BC1 = 8 , // DXT1, RGB with 8:1 compression ratio (+ optional 1bpp for alpha)
TEXTURE_BC2 = 16 , // DXT3, RGBA with 4:1 compression ratio (BC1 for RGB + 4bpp for alpha)
TEXTURE_BC3 = 32 , // DXT5, RGBA with 4:1 compression ratio (BC1 for RGB + BC4 for A)
// TEXTURE_BC4, // Alpha
TEXTURE_NEAREST = 0 ,
TEXTURE_LINEAR = 64 ,
TEXTURE_MIPMAPS = 128 ,
TEXTURE_ANISOTROPY = 1 < < 30 ,
TEXTURE_CLAMP = 0 ,
TEXTURE_BORDER = 0x100 ,
TEXTURE_REPEAT = 0x200 ,
TEXTURE_BYTE = 0 ,
TEXTURE_FLOAT = IMAGE_FLOAT ,
TEXTURE_COLOR = 0 ,
TEXTURE_DEPTH = 0x800 ,
TEXTURE_R = IMAGE_R ,
TEXTURE_RG = IMAGE_RG ,
TEXTURE_RGB = IMAGE_RGB ,
TEXTURE_RGBA = IMAGE_RGBA ,
TEXTURE_FLIP = IMAGE_FLIP ,
// @fixme
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TEXTURE_SRGB = 1 < < 24 ,
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TEXTURE_BGR = 1 < < 25 ,
TEXTURE_BGRA = TEXTURE_BGR ,
TEXTURE_ARRAY = 1 < < 26 ,
} ;
typedef struct texture_t {
union { unsigned x , w ; } ;
union { unsigned y , h ; } ;
union { unsigned z , d ; } ;
union { unsigned n , bpp ; } ;
handle id ;
unsigned texel_type ;
unsigned flags ;
char * filename ;
bool transparent ;
unsigned fbo ; // for texture recording
union { unsigned userdata , delay ; } ;
} texture_t ;
API texture_t texture_compressed ( const char * filename , unsigned flags ) ;
API texture_t texture_compressed_from_mem ( const void * data , int len , unsigned flags ) ;
API texture_t texture ( const char * filename , int flags ) ;
API texture_t texture_from_mem ( const void * ptr , int len , int flags ) ;
API texture_t texture_create ( unsigned w , unsigned h , unsigned n , const void * pixels , int flags ) ;
API texture_t texture_checker ( ) ;
API void texture_destroy ( texture_t * t ) ;
API int texture_unit ( ) ; // returns rolling counter up to GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS
// textureLod(filename, dir, lod);
// void texture_add_loader( int(*loader)(const char *filename, int *w, int *h, int *bpp, int reqbpp, int flags) );
API unsigned texture_update ( texture_t * t , unsigned w , unsigned h , unsigned n , const void * pixels , int flags ) ;
API bool texture_rec_begin ( texture_t * t , unsigned w , unsigned h ) ; // texture_rec
API void texture_rec_end ( texture_t * t ) ; // texture_rec
// -----------------------------------------------------------------------------
// brdf
API texture_t brdf_lut ( ) ;
// -----------------------------------------------------------------------------
// colormap
typedef struct colormap_t {
vec4 color ;
texture_t * texture ;
} colormap_t ;
API bool colormap ( colormap_t * cm , const char * texture_name , bool load_as_srgb ) ;
// -----------------------------------------------------------------------------
// fullscreen quads
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API void fullscreen_quad_rgb ( texture_t texture_rgb ) ;
API void fullscreen_quad_rgb_flipped ( texture_t texture ) ;
API void fullscreen_quad_ycbcr ( texture_t texture_YCbCr [ 3 ] ) ;
API void fullscreen_quad_ycbcr_flipped ( texture_t texture_YCbCr [ 3 ] ) ;
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// -----------------------------------------------------------------------------
// cubemaps
typedef struct cubemap_t {
unsigned id ; // texture id
vec3 sh [ 9 ] ; // precomputed spherical harmonics coefficients
} cubemap_t ;
API cubemap_t cubemap ( const image_t image , int flags ) ; // 1 equirectangular panorama
API cubemap_t cubemap6 ( const image_t images [ 6 ] , int flags ) ; // 6 cubemap faces
API void cubemap_destroy ( cubemap_t * c ) ;
API cubemap_t * cubemap_get_active ( ) ;
// -----------------------------------------------------------------------------
// fbos
API unsigned fbo ( unsigned texture_color , unsigned texture_depth , int wr_flags ) ;
API void fbo_bind ( unsigned id ) ;
API void fbo_unbind ( ) ;
API void fbo_destroy ( unsigned id ) ;
// -----------------------------------------------------------------------------
// shadowmaps
// #ifndef VSMCUBE
// #define VSMCUBE 0
// #endif
// #ifndef VSMBLUR
// #define VSMBLUR 1
// #endif
typedef struct shadowmap_t {
mat44 shadowmatrix ;
mat44 mvp ;
mat44 mv ;
mat44 proj ;
vec4 light_position ;
int saved_fb ;
int saved_viewport [ 4 ] ;
handle fbo , texture ;
int texture_width ;
} shadowmap_t ;
API shadowmap_t shadowmap ( int texture_width ) ; // = 1024
API void shadowmap_destroy ( shadowmap_t * s ) ;
API void shadowmap_set_shadowmatrix ( shadowmap_t * s , vec3 aLightPos , vec3 aLightAt , vec3 aLightUp , const mat44 projection ) ;
API void shadowmap_begin ( shadowmap_t * s ) ;
API void shadowmap_end ( shadowmap_t * s ) ;
// shadowmap utils
API void shadowmatrix_proj ( mat44 shm_proj , float aLightFov , float znear , float zfar ) ;
API void shadowmatrix_ortho ( mat44 shm_proj , float left , float right , float bottom , float top , float znear , float zfar ) ;
// -----------------------------------------------------------------------------
// shaders
API unsigned shader ( const char * vs , const char * fs , const char * attribs , const char * fragcolor , const char * defines ) ;
API unsigned shader_geom ( const char * gs , const char * vs , const char * fs , const char * attribs , const char * fragcolor , const char * defines ) ;
API unsigned shader_bind ( unsigned program ) ;
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API int shader_uniform ( const char * name ) ;
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API void shader_bool ( const char * uniform , bool i ) ;
API void shader_int ( const char * uniform , int i ) ;
API void shader_uint ( const char * uniform , unsigned i ) ;
API void shader_float ( const char * uniform , float f ) ;
API void shader_vec2 ( const char * uniform , vec2 v ) ;
API void shader_vec3 ( const char * uniform , vec3 v ) ;
API void shader_vec3v ( const char * uniform , int count , vec3 * v ) ;
API void shader_vec4 ( const char * uniform , vec4 v ) ;
API void shader_mat44 ( const char * uniform , mat44 m ) ;
API void shader_texture ( const char * sampler , texture_t texture ) ;
API void shader_texture_unit ( const char * sampler , unsigned texture , unsigned unit ) ;
API void shader_colormap ( const char * name , colormap_t cm ) ;
API unsigned shader_get_active ( ) ;
API void shader_destroy ( unsigned shader ) ;
// reflection. [0..N] are shader properties
API unsigned shader_properties ( unsigned shader ) ;
API char * * shader_property ( unsigned shader , unsigned property_no ) ;
API void shader_apply_param ( unsigned shader , unsigned param_no ) ;
API void shader_apply_params ( unsigned shader , const char * parameter_mask ) ;
API int ui_shader ( unsigned shader ) ;
API int ui_shaders ( ) ;
// compute shaders
enum BUFFER_MODE {
BUFFER_READ ,
BUFFER_WRITE ,
BUFFER_READ_WRITE
} ;
/// Loads the compute shader and compiles a GL program.
/// return: GL program, 0 if failed.
/// cs: shader source code
API unsigned compute ( const char * cs ) ;
/// Runs the compute program with provided global workgroup size on x y z grid.
/// wx: global workgroup size x
/// wy: global workgroup size y
/// wz: global workgroup size z
API void compute_dispatch ( unsigned wx , unsigned wy , unsigned wz ) ;
/// Binds a texture to the program
/// !!! Set `layer` to -1 to disable layered access.
/// t: texture to bind
/// unit: texture unit bind index
/// level: texture level access (MIP0, MIP1, ...)
/// layer: bind layer
/// access: texture access policy
/// see: BUFFER_MODE
API void shader_image ( texture_t t , unsigned unit , unsigned level , int layer , unsigned access ) ;
/// Binds a texture to the program
/// !!! Set `layer` to -1 to disable layered access.
/// texture: GL texture handle
/// unit: texture unit bind index
/// level: texture level access (MIP0, MIP1, ...)
/// layer: bind layer
/// texel_type: image texel format (RGBA8, RGBA32F, ...)
/// access: texture access policy
/// see: BUFFER_MODE
API void shader_image_unit ( unsigned texture , unsigned unit , unsigned level , int layer , unsigned texel_type , unsigned access ) ;
// gpu memory barriers
/// Blocks main thread until all memory operations are done by the GPU.
API void write_barrier ( ) ;
/// Blocks main thread until all image operations are done by the GPU.
API void write_barrier_image ( ) ;
// ssbo
/// `STATIC`, `DYNAMIC` AND `STREAM` specify the frequency at which we intend to access the data.
/// `DRAW` favors CPU->GPU operations.
/// `READ` favors GPU->CPU operations.
/// `COPY` favors CPU->GPU->CPU operations.
enum SSBO_USAGE {
STATIC_DRAW ,
STATIC_READ ,
STATIC_COPY ,
DYNAMIC_DRAW ,
DYNAMIC_READ ,
DYNAMIC_COPY ,
STREAM_DRAW ,
STREAM_READ ,
STREAM_COPY
} ;
enum SSBO_ACCESS {
SSBO_READ = BUFFER_READ ,
SSBO_WRITE = BUFFER_WRITE ,
SSBO_READ_WRITE = BUFFER_READ_WRITE
} ;
/// Create Shader Storage Buffer Object
/// !!! `data` can be NULL
/// data: optional pointer to data to upload
/// len: buffer size, must not be 0
/// usage: buffer usage policy
/// see: SSBO_USAGE
API unsigned ssbo_create ( const void * data , int len , unsigned usage ) ;
/// Destroys an SSBO resource
API void ssbo_destroy ( unsigned ssbo ) ;
/// Updates an existing SSBO
/// !!! `len` can not exceed the original buffer size specified in `ssbo_create` !
/// offset: offset to buffer memory
/// len: amount of data to write
/// data: pointer to data we aim to write, can not be NULL
API void ssbo_update ( int offset , int len , const void * data ) ;
/// Bind an SSBO resource to the provided bind unit index
/// ssbo: resource object
/// unit: bind unit index
API void ssbo_bind ( unsigned ssbo , unsigned unit ) ;
/// Map an SSBO resource to the system memory
/// !!! Make sure to `ssbo_unmap` the buffer once done working with it.
/// access: buffer access policy
/// return: pointer to physical memory of the buffer
/// see: SSBO_ACCESS
API void * ssbo_map ( unsigned access ) ;
/// Unmaps an SSBO resource
/// !!! Pointer provided by `ssbo_map` becomes invalid.
API void ssbo_unmap ( ) ;
/// Unbinds an SSBO resource
API void ssbo_unbind ( ) ;
// -----------------------------------------------------------------------------
// meshes (@fixme: deprecate?)
enum MESH_FLAGS {
MESH_STATIC = 0 , // STATIC, DYNAMIC, STREAM // zero|single|many updates per frame
MESH_STREAM = 1 ,
MESH_TRIANGLE_STRIP = 2 ,
} ;
typedef struct mesh_t {
handle vao , vbo , ibo ;
unsigned vertex_count ;
unsigned index_count ;
unsigned flags ;
array ( int ) lod_collapse_map ; // to which neighbor each vertex collapses. ie, [10] -> 7 (used by LODs) @leak
// @leaks: following members are totally unused. convenient for end-users to keep their custom datas somewhere while processing.
union {
array ( unsigned ) in_index ;
array ( vec3i ) in_index3 ;
} ;
union {
array ( unsigned ) out_index ;
array ( vec3i ) out_index3 ;
} ;
union {
array ( float ) in_vertex ;
array ( vec3 ) in_vertex3 ;
} ;
union {
array ( float ) out_vertex ;
array ( vec3 ) out_vertex3 ;
} ;
} mesh_t ;
API mesh_t mesh ( ) ;
API void mesh_update ( mesh_t * m , const char * format , int vertex_stride , int vertex_count , const void * interleaved_vertex_data , int index_count , const void * index_data , int flags ) ;
API void mesh_render ( mesh_t * m ) ;
API void mesh_render_prim ( mesh_t * sm , unsigned prim ) ;
API void mesh_destroy ( mesh_t * m ) ;
API aabb mesh_bounds ( mesh_t * m ) ;
// -----------------------------------------------------------------------------
// skyboxes
enum SKYBOX_FLAGS {
SKYBOX_RAYLEIGH ,
SKYBOX_CUBEMAP ,
SKYBOX_PBR ,
} ;
typedef struct skybox_t {
handle program ;
mesh_t geometry ;
cubemap_t cubemap ;
int flags ;
// mie
int framebuffers [ 6 ] ;
int textures [ 6 ] ;
float * pixels ;
// pbr
texture_t sky , refl , env ;
} skybox_t ;
API skybox_t skybox ( const char * panorama_or_cubemap_folder , int flags ) ;
API skybox_t skybox_pbr ( const char * sky_map , const char * refl_map , const char * env_map ) ;
API int skybox_render ( skybox_t * sky , mat44 proj , mat44 view ) ;
API void skybox_destroy ( skybox_t * sky ) ;
API void skybox_mie_calc_sh ( skybox_t * sky , float sky_intensity ) ;
API void skybox_sh_reset ( skybox_t * sky ) ;
API void skybox_sh_add_light ( skybox_t * sky , vec3 light , vec3 dir , float strength ) ;
API int skybox_push_state ( skybox_t * sky , mat44 proj , mat44 view ) ; // @to deprecate
API int skybox_pop_state ( ) ; // @to deprecate
// -----------------------------------------------------------------------------
// materials
enum MATERIAL_ENUMS {
MATERIAL_CHANNEL_DIFFUSE ,
MATERIAL_CHANNEL_NORMALS ,
MATERIAL_CHANNEL_SPECULAR ,
MATERIAL_CHANNEL_ALBEDO ,
MATERIAL_CHANNEL_ROUGHNESS ,
MATERIAL_CHANNEL_METALLIC ,
MATERIAL_CHANNEL_AO ,
MATERIAL_CHANNEL_AMBIENT ,
MATERIAL_CHANNEL_EMISSIVE ,
MAX_CHANNELS_PER_MATERIAL
} ;
typedef struct material_layer_t {
char texname [ 32 ] ;
float value ;
colormap_t map ;
} material_layer_t ;
typedef struct material_t {
char * name ;
material_layer_t layer [ MAX_CHANNELS_PER_MATERIAL ] ;
} material_t ;
// -----------------------------------------------------------------------------
// shadertoys
enum {
SHADERTOY_FLIP_Y = 2 ,
SHADERTOY_IGNORE_FBO = 4 ,
SHADERTOY_IGNORE_MOUSE = 8 ,
} ;
typedef struct shadertoy_t {
handle vao , program ;
int uniforms [ 32 ] ;
int texture_channels [ 4 ] ;
int frame ;
uint64_t t ;
texture_t tx ;
vec2i dims ;
int flags ;
vec4 mouse ;
} shadertoy_t ;
API shadertoy_t shadertoy ( const char * shaderfile , unsigned flags ) ;
API shadertoy_t * shadertoy_render ( shadertoy_t * s , float delta ) ;
// -----------------------------------------------------------------------------
// anims
enum ANIM_FLAGS {
ANIM_LOOP = 1 ,
ANIM_DONT_RESET_AFTER_USE = 2 ,
} ;
typedef struct anim_t {
int from ;
int to ;
float blendtime ;
unsigned flags ;
float curframe ;
unsigned easing ;
float alpha ; // refreshed at every tick
float timer ; // private
bool active ;
vec3 pose ; // private
char * name ; // debug
} anim_t ;
API anim_t clip ( float minframe , float maxframe , float blendtime , unsigned flags ) ;
API anim_t loop ( float minframe , float maxframe , float blendtime , unsigned flags ) ;
API array ( anim_t ) animlist ( const char * filename ) ;
// -----------------------------------------------------------------------------
// models
enum MODEL_FLAGS {
MODEL_NO_ANIMATIONS = 1 ,
MODEL_NO_MESHES = 2 ,
MODEL_NO_TEXTURES = 4 ,
MODEL_NO_FILTERING = 8 ,
MODEL_MATCAPS = 16 ,
MODEL_RIMLIGHT = 32 ,
MODEL_PBR = 64 ,
} ;
enum SHADING_MODE {
SHADING_NONE ,
SHADING_PHONG ,
SHADING_PBR ,
} ;
typedef struct model_t {
struct iqm_t * iqm ; // private
int shading ; // based on SHADING_MODE
unsigned num_textures ;
handle * textures ;
char * * texture_names ;
array ( material_t ) materials ;
texture_t sky_refl , sky_env ;
texture_t lightmap ;
float * lmdata ;
unsigned num_meshes ;
unsigned num_triangles ;
unsigned num_joints ; // num_poses;
unsigned num_anims ;
unsigned num_frames ;
handle program ;
float curframe ;
mat44 pivot ;
int stride ; // usually 68 bytes for a p3 u2 u2 n3 t4 i4B w4B c4B vertex stream
void * verts ;
int num_verts ;
void * tris ;
int num_tris ;
handle vao , ibo , vbo , vao_instanced ;
unsigned flags ;
unsigned billboard ;
float * instanced_matrices ;
unsigned num_instances ;
int stored_flags ;
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renderstate_t rs ;
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} model_t ;
enum BILLBOARD_MODE {
BILLBOARD_X = 0x1 ,
BILLBOARD_Y = 0x2 ,
BILLBOARD_Z = 0x4 ,
BILLBOARD_CYLINDRICAL = BILLBOARD_X | BILLBOARD_Z ,
BILLBOARD_SPHERICAL = BILLBOARD_X | BILLBOARD_Y | BILLBOARD_Z
} ;
API model_t model ( const char * filename , int flags ) ;
API model_t model_from_mem ( const void * mem , int sz , int flags ) ;
API float model_animate ( model_t , float curframe ) ;
API float model_animate_clip ( model_t , float curframe , int minframe , int maxframe , bool loop ) ;
API float model_animate_blends ( model_t m , anim_t * primary , anim_t * secondary , float delta ) ;
API aabb model_aabb ( model_t , mat44 transform ) ;
API void model_shading ( model_t * , int shading ) ;
API void model_skybox ( model_t * , skybox_t sky , bool load_sh ) ;
API void model_render ( model_t , mat44 proj , mat44 view , mat44 model , int shader ) ;
API void model_render_skeleton ( model_t , mat44 model ) ;
API void model_render_instanced ( model_t , mat44 proj , mat44 view , mat44 * models , int shader , unsigned count ) ;
API void model_set_texture ( model_t , texture_t t ) ;
API bool model_get_bone_pose ( model_t m , unsigned joint , mat34 * out ) ;
API void model_destroy ( model_t ) ;
API vec3 pose ( bool forward , float curframe , int minframe , int maxframe , bool loop , float * opt_retframe ) ;
// -----------------------------------------------------------------------------
// model animations
typedef struct anims_t {
int inuse ; // animation number in use
float speed ; // x1.00
array ( anim_t ) anims ; // [begin,end,flags] frames of every animation in set
} anims_t ;
API anims_t animations ( const char * pathfile , int flags ) ;
// -----------------------------------------------------------------------------
// lightmapping utils
// @fixme: support xatlas uv packing
typedef struct lightmap_t {
struct lm_context * ctx ; // private
bool ready ;
int w , h ;
int atlas_w , atlas_h ; //@fixme: implement
texture_t atlas ; //@fixme: implement this
array ( model_t * ) models ;
unsigned shader ;
} lightmap_t ;
API lightmap_t lightmap ( int hmsize /*64*/ , float near , float far , vec3 color /*1,1,1 for AO*/ , int passes /*2*/ , float threshold /*0.01f*/ , float distmod /*0.0f*/ ) ;
API void lightmap_setup ( lightmap_t * lm , int w , int h ) ;
API void lightmap_bake ( lightmap_t * lm , int bounces , void ( * drawscene ) ( lightmap_t * lm , model_t * m , float * view , float * proj , void * userdata ) , void ( * progressupdate ) ( float progress ) , void * userdata ) ;
API void lightmap_destroy ( lightmap_t * lm ) ;
// -----------------------------------------------------------------------------
// post-fxs
API void viewport_color ( unsigned color ) ;
API void viewport_clear ( bool color , bool depth ) ;
API void viewport_clip ( vec2 from , vec2 to ) ;
API int fx_load ( const char * file ) ;
API int fx_load_from_mem ( const char * nameid , const char * content ) ;
API void fx_begin ( ) ;
API void fx_begin_res ( int w , int h ) ;
API void fx_end ( ) ;
API void fx_enable ( int pass , int enabled ) ;
API int fx_enabled ( int pass ) ;
API void fx_enable_all ( int enabled ) ;
API char * fx_name ( int pass ) ;
API int fx_find ( const char * name ) ;
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API void fx_order ( int pass , unsigned priority ) ;
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API int ui_fx ( int pass ) ;
API int ui_fxs ( ) ;
// -----------------------------------------------------------------------------
// utils
API void * screenshot ( int components ) ; // 3 RGB, 4 RGBA, -3 BGR, -4 BGRA
API void * screenshot_async ( int components ) ; // 3 RGB, 4 RGBA, -3 BGR, -4 BGRA
# line 0
# line 1 "v4k_renderdd.h"
// -----------------------------------------------------------------------------
// debugdraw framework
// - rlyeh, public domain.
//
// Credits: Based on work by @glampert https://github.com/glampert/debug-draw (PD)
// [x] grid, axis, frustum, cube, sphere, triangle, square, pentagon, hexagon, circle, normal.
// [x] arrow, point, text, capsule, aabb, plane, flotilla-style locator, boid, bone, ring
// [x] line batching
// [*] line width and stipple
// [*] (proper) gizmo,
// [ ] camera, light bulb, light probe,
API void ddraw_color ( unsigned rgb ) ;
API void ddraw_color_push ( unsigned rgb ) ;
API void ddraw_color_pop ( ) ;
//
API void ddraw_ontop ( int enabled ) ;
API void ddraw_ontop_push ( int enabled ) ;
API void ddraw_ontop_pop ( ) ;
//
API void ddraw_push_2d ( ) ;
API void ddraw_pop_2d ( ) ;
//
API void ddraw_aabb ( vec3 minbb , vec3 maxbb ) ;
API void ddraw_aabb_corners ( vec3 minbb , vec3 maxbb ) ;
API void ddraw_arrow ( vec3 begin , vec3 end ) ;
API void ddraw_axis ( float units ) ;
API void ddraw_boid ( vec3 pos , vec3 dir ) ;
API void ddraw_bone ( vec3 center , vec3 end ) ; // @todo: use me
API void ddraw_bounds ( const vec3 points [ 8 ] ) ;
API void ddraw_box ( vec3 center , vec3 extents ) ;
API void ddraw_capsule ( vec3 from , vec3 to , float radius ) ;
API void ddraw_circle ( vec3 pos , vec3 n , float radius ) ;
API void ddraw_ring ( vec3 pos , vec3 n , float radius ) ;
API void ddraw_cone ( vec3 center , vec3 top , float radius ) ;
API void ddraw_cube ( vec3 center , float radius ) ;
API void ddraw_cube33 ( vec3 center , vec3 radius , mat33 M ) ;
API void ddraw_diamond ( vec3 from , vec3 to , float size ) ;
API void ddraw_frustum ( float projview [ 16 ] ) ;
API void ddraw_ground ( float scale ) ;
API void ddraw_grid ( float scale ) ;
API void ddraw_hexagon ( vec3 pos , float radius ) ;
API void ddraw_line ( vec3 from , vec3 to ) ;
API void ddraw_line_dashed ( vec3 from , vec3 to ) ;
API void ddraw_line_thin ( vec3 from , vec3 to ) ;
API void ddraw_normal ( vec3 pos , vec3 n ) ;
API void ddraw_pentagon ( vec3 pos , float radius ) ;
API void ddraw_plane ( vec3 p , vec3 n , float scale ) ;
API void ddraw_point ( vec3 from ) ;
API void ddraw_position ( vec3 pos , float radius ) ;
API void ddraw_position_dir ( vec3 pos , vec3 dir , float radius ) ;
API void ddraw_pyramid ( vec3 center , float height , int segments ) ;
API void ddraw_cylinder ( vec3 center , float height , int segments ) ;
API void ddraw_sphere ( vec3 pos , float radius ) ;
API void ddraw_square ( vec3 pos , float radius ) ;
API void ddraw_text ( vec3 pos , float scale , const char * text ) ;
API void ddraw_text2d ( vec2 pos , const char * text ) ;
API void ddraw_triangle ( vec3 p1 , vec3 p2 , vec3 p3 ) ;
//
API void ddraw_prism ( vec3 center , float radius , float height , vec3 normal , int segments ) ;
//
API void ddraw_demo ( ) ;
API void ddraw_flush ( ) ;
API void ddraw_flush_projview ( mat44 proj , mat44 view ) ;
// transform gizmos
API int gizmo ( vec3 * pos , vec3 * rot , vec3 * sca ) ;
API bool gizmo_active ( ) ;
API bool gizmo_hover ( ) ;
# line 0
# line 1 "v4k_scene.h"
// -----------------------------------------------------------------------------
// scene framework
// - rlyeh, public domain
// camera
typedef struct camera_t {
mat44 view , proj ;
vec3 position , updir , lookdir ;
float yaw , pitch , roll ; // mirror of (x,y) lookdir in deg;
float speed , fov ; // fov in deg(45)
float move_friction , move_damping ;
float look_friction , look_damping ;
vec3 last_look ; vec3 last_move ; // used for friction and damping
bool damping ;
bool orthographic ; // 0 perspective, 1 orthographic; when ortho: dimetric[if pitch == -30Âş], isometric[if pitch == 35.264Âş]
float distance ; // distance to pivot, when orbiting
// vec2 polarity = { +1,-1 }; // @todo
// vec2 sensitivity = { 2,2 }; // @todo
} camera_t ;
API camera_t camera ( ) ;
API void camera_teleport ( camera_t * cam , vec3 pos ) ;
API void camera_moveby ( camera_t * cam , vec3 inc ) ;
API void camera_fov ( camera_t * cam , float fov ) ;
API void camera_fps ( camera_t * cam , float yaw , float pitch ) ;
API void camera_fps2 ( camera_t * cam , float yaw , float pitch , float roll ) ;
API void camera_orbit ( camera_t * cam , float yaw , float pitch , float inc_distance ) ;
API void camera_lookat ( camera_t * cam , vec3 target ) ;
API void camera_enable ( camera_t * cam ) ;
API camera_t * camera_get_active ( ) ;
API int ui_camera ( camera_t * cam ) ;
API void ddraw_camera ( camera_t * cam ) ;
// object
typedef struct object_t {
uint64_t renderbucket ;
mat44 transform ;
quat rot ;
vec3 sca , pos , euler , pivot ;
array ( handle ) textures ;
model_t model ;
anim_t anim ;
float anim_speed ;
aabb bounds ;
unsigned billboard ; // [0..7] x(4),y(2),z(1) masks
bool light_cached ; //< used by scene to update light data
} object_t ;
API object_t object ( ) ;
API void object_rotate ( object_t * obj , vec3 euler ) ;
API void object_pivot ( object_t * obj , vec3 euler ) ;
API void object_teleport ( object_t * obj , vec3 pos ) ;
API void object_move ( object_t * obj , vec3 inc ) ;
API vec3 object_position ( object_t * obj ) ;
API void object_scale ( object_t * obj , vec3 sca ) ;
//
API void object_model ( object_t * obj , model_t model ) ;
API void object_anim ( object_t * obj , anim_t anim , float speed ) ;
API void object_diffuse ( object_t * obj , texture_t tex ) ;
API void object_diffuse_push ( object_t * obj , texture_t tex ) ;
API void object_diffuse_pop ( object_t * obj ) ;
API void object_billboard ( object_t * obj , unsigned mode ) ;
// object_pose(transform); // @todo
// light
enum LIGHT_TYPE {
LIGHT_DIRECTIONAL ,
LIGHT_POINT ,
LIGHT_SPOT ,
} ;
enum LIGHT_FLAGS {
LIGHT_CAST_SHADOWS = 1 ,
} ;
typedef struct light_t {
char type ;
vec3 diffuse , specular , ambient ;
vec3 pos , dir ;
struct {
float constant , linear , quadratic ;
} falloff ;
float specularPower ;
float innerCone , outerCone ;
//@todo: cookie, flare
// internals
bool cached ; //< used by scene to invalidate cached light data
} light_t ;
API light_t light ( ) ;
// API void light_flags(int flags);
API void light_type ( light_t * l , char type ) ;
API void light_diffuse ( light_t * l , vec3 color ) ;
API void light_specular ( light_t * l , vec3 color ) ;
API void light_ambient ( light_t * l , vec3 color ) ;
API void light_teleport ( light_t * l , vec3 pos ) ;
API void light_dir ( light_t * l , vec3 dir ) ;
API void light_power ( light_t * l , float power ) ;
API void light_falloff ( light_t * l , float constant , float linear , float quadratic ) ;
API void light_cone ( light_t * l , float innerCone , float outerCone ) ;
API void light_update ( unsigned num_lights , light_t * lv ) ;
// scene
enum SCENE_FLAGS {
SCENE_WIREFRAME = 1 ,
SCENE_CULLFACE = 2 ,
SCENE_BACKGROUND = 4 ,
SCENE_FOREGROUND = 8 ,
SCENE_UPDATE_SH_COEF = 16 ,
} ;
typedef struct scene_t {
array ( object_t ) objs ;
array ( light_t ) lights ;
// special objects below:
skybox_t skybox ;
int u_coefficients_sh ;
} scene_t ;
API scene_t * scene_push ( ) ;
API void scene_pop ( ) ;
API scene_t * scene_get_active ( ) ;
API int scene_merge ( const char * source ) ;
API void scene_render ( int flags ) ;
API object_t * scene_spawn ( ) ;
API unsigned scene_count ( ) ;
API object_t * scene_index ( unsigned index ) ;
API light_t * scene_spawn_light ( ) ;
API unsigned scene_count_light ( ) ;
API light_t * scene_index_light ( unsigned index ) ;
# line 0
# line 1 "v4k_string.h"
// string framework
// - rlyeh, public domain
// string: temporary api (stack)
API char * tempvl ( const char * fmt , va_list ) ;
API char * tempva ( const char * fmt , . . . ) ;
# define va(...) (((&printf) || printf(__VA_ARGS__), tempva(__VA_ARGS__))) // vs2015 check trick
# define vac (const char*)va
// string: allocated api (heap). FREE() after use
API char * strcatf ( char * * s , const char * buf ) ;
# define strcatf(s,fmt,...) strcatf((s), va(fmt, __VA_ARGS__))
# define stringf(fmt,...) STRDUP(va(fmt, __VA_ARGS__)) // (strcatf)(0, va(fmt, __VA_ARGS__))
# if is(cl) || (is(tcc) && is(win32))
# if!is(cl)
char * strtok_s ( char * str , const char * delimiters , char * * context ) ; // tcc misses this in <string.h>
# endif
# define strtok_r strtok_s
# endif
# if 1
# define each_substring(str, delims, keyname) \
( char * str_ = ( char * ) ( str ) ; str_ ; str_ = 0 ) \
for ( int len_ = strlen ( str_ ) + 1 , heap_ = len_ < 1024 ; len_ > 1 ; len_ = 0 ) \
for ( char * ptr_ = ( heap_ ? REALLOC ( 0 , len_ ) : ALLOCA ( len_ ) ) , * cpy_ = ( snprintf ( ptr_ , len_ , " %s " , str_ ) , ptr_ ) ; ptr_ ; ( heap_ ? REALLOC ( ptr_ , 0 ) : 0 ) , ptr_ = 0 ) \
for ( char * next_token = 0 , * keyname = strtok_r ( cpy_ , delims , & next_token ) ; keyname ; keyname = strtok_r ( NULL , delims , & next_token ) )
# else
# define each_substring(str, delims, keyname) \
( char * * tokens_ = strsplit ( ( str ) , ( delims ) ) , * keyname = 0 ; tokens_ ; tokens_ = 0 ) \
for ( int i_ = 0 , end_ = array_count ( tokens_ ) ; i_ < ( keyname = tokens_ [ i_ ] , end_ ) ; + + i_ )
# endif
// utils
API int strmatch ( const char * s , const char * wildcard ) ;
API int strmatchi ( const char * s , const char * wildcard ) ;
API int strcmp_qsort ( const void * a , const void * b ) ;
API int strcmpi_qsort ( const void * a , const void * b ) ;
API bool strbeg ( const char * src , const char * sub ) ; // returns true if both strings match at beginning. case sensitive
API bool strend ( const char * src , const char * sub ) ; // returns true if both strings match at end. case sensitive
API bool strbegi ( const char * src , const char * sub ) ; // returns true if both strings match at beginning. case insensitive
API bool strendi ( const char * src , const char * sub ) ; // returns true if both strings match at end. case insensitive
API const char * strstri ( const char * src , const char * sub ) ; // returns find first substring in string. case insensitive.
# define strcmpi ifdef(cl, _stricmp, strcasecmp)
API char * strupper ( const char * str ) ;
API char * strlower ( const char * str ) ;
API char * strrepl ( char * * copy , const char * target , const char * replace ) ; // replace any 'target' as 'repl' in 'copy'. 'copy' may change (heap). returns 'copy'
API char * strswap ( char * copy , const char * target , const char * replace ) ; // replaced inline only if repl is shorter than target. no allocations.
API char * strcut ( char * copy , const char * target ) ; // remove any 'target' in 'copy'. returns 'copy'
API const char * strlerp ( unsigned numpairs , const char * * pairs , const char * str ) ; // using key-value pairs, null-terminated
# ifndef __APPLE__ // BSD provides these
API size_t strlcat ( char * dst , const char * src , size_t dstcap ) ; // concat 2 strings safely. always NUL terminates. may truncate.
API size_t strlcpy ( char * dst , const char * src , size_t dstcap ) ; // copy 2 strings safely. always NUL terminates. truncates if retval>=dstcap
# endif
/// split `string` after any of `delimiters` character is found.
/// returns temporary array of split strings. see: strjoin
/// > array(char*) tokens = strsplit("hello! world!", " !"); // [0]="hello",[1]="world",
API array ( char * ) strsplit ( const char * string , const char * delimiters ) ;
/// concatenate all elements within `list`, with `separator` string in between.
/// returns: temporary joint string. see: strsplit
/// > array(char*) tokens = strsplit("hello! world!", " !"); // [0]="hello",[1]="world",
/// > char *joint = strjoin(tokens, "+"); // joint="hello+world"
API char * strjoin ( array ( char * ) list , const char * separator ) ;
API char * string8 ( const wchar_t * str ) ; /// convert from wchar16(win) to utf8/ascii
API array ( uint32_t ) string32 ( const char * utf8 ) ; /// convert from utf8 to utf32
API const char * codepoint_to_utf8 ( unsigned cp ) ;
// -----------------------------------------------------------------------------
// ## string interning (quarks)
// - rlyeh, public domain.
API unsigned intern ( const char * string ) ;
API const char * quark ( unsigned key ) ;
typedef struct quarks_db {
array ( char ) blob ;
array ( vec2i ) entries ;
} quarks_db ;
API unsigned quark_intern ( quarks_db * , const char * string ) ;
API const char * quark_string ( quarks_db * , unsigned key ) ;
// -----------------------------------------------------------------------------
// ## localization kit (I18N, L10N)
API bool kit_load ( const char * filename ) ; // load translations file (xlsx)
API bool kit_merge ( const char * filename ) ; // merge translations file into existing context
API void kit_insert ( const char * id , const char * translation ) ; // insert single translation unit
API void kit_clear ( ) ; // delete all translations
API void kit_set ( const char * variable , const char * value ) ; // set context variable
API void kit_reset ( ) ; // reset all variables in context
API void kit_dump_state ( FILE * fp ) ; // debug
API char * kit_translate2 ( const char * id , const char * langcode_iso639_1 ) ; // perform a translation given explicit locale
API void kit_locale ( const char * langcode_iso639_1 ) ; // set current locale: enUS, ptBR, esES, ...
API char * kit_translate ( const char * id ) ; // perform a translation, given current locale
# line 0
# line 1 "v4k_sprite.h"
// -----------------------------------------------------------------------------
// sprites
typedef enum SPRITE_FLAGS {
SPRITE_PROJECTED = 1 ,
SPRITE_ADDITIVE = 2 ,
SPRITE_CENTERED = 4 ,
SPRITE_RESOLUTION_INDEPENDANT = 128 ,
} SPRITE_FLAGS ;
// texture id, position(x,y,depth sort), tint color, rotation angle
API void sprite ( texture_t texture , float position [ 3 ] , float rotation /*0*/ , unsigned color /*~0u*/ , unsigned flags ) ;
// texture id, rect(x,y,w,h) is [0..1] normalized, then: pos(xyz,z-index), (scale.xy,offset.xy), rotation (degrees), color (rgba)
API void sprite_rect ( texture_t t , vec4 rect , vec4 pos , vec4 scaleoff , float tilt_deg , unsigned tint_rgba , unsigned flags ) ;
// texture id, sheet(frameNumber,X,Y) (frame in a X*Y spritesheet), position(x,y,depth sort), rotation angle, offset(x,y), scale(x,y), is_additive, tint color
API void sprite_sheet ( texture_t texture , float sheet [ 3 ] , float position [ 3 ] , float rotation , float offset [ 2 ] , float scale [ 2 ] , unsigned rgba , unsigned flags ) ;
API void sprite_flush ( ) ;
// -----------------------------------------------------------------------------
// tilemaps
typedef struct tileset_t {
texture_t tex ; // spritesheet
unsigned tile_w , tile_h ; // dimensions per tile in pixels
unsigned cols , rows ; // tileset num_cols, num_rows
unsigned selected ; // active tile (while editing)
} tileset_t ;
API tileset_t tileset ( texture_t tex , unsigned tile_w , unsigned tile_h , unsigned cols , unsigned rows ) ;
API int ui_tileset ( tileset_t t ) ;
typedef struct tilemap_t {
int blank_chr ; // transparent tile
unsigned cols , rows ; // map dimensions (in tiles)
array ( int ) map ;
vec3 position ; // x,y,scale
float zindex ;
float tilt ;
unsigned tint ;
bool is_additive ;
} tilemap_t ;
API tilemap_t tilemap ( const char * map , int blank_chr , int linefeed_chr ) ;
API void tilemap_render ( tilemap_t m , tileset_t style ) ;
API void tilemap_render_ext ( tilemap_t m , tileset_t style , float zindex , float xy_zoom [ 3 ] , float tilt , unsigned tint , bool is_additive ) ;
// -----------------------------------------------------------------------------
// tiled maps
typedef struct tiled_t {
char * map_name ;
unsigned first_gid , tilew , tileh , w , h ;
bool parallax ;
vec3 position ;
array ( bool ) visible ;
array ( tilemap_t ) layers ;
array ( tileset_t ) sets ;
array ( char * ) names ;
} tiled_t ;
API tiled_t tiled ( const char * file_tmx ) ;
API void tiled_render ( tiled_t tmx , vec3 pos ) ;
API void ui_tiled ( tiled_t * t ) ;
// -----------------------------------------------------------------------------
// spines
typedef struct spine_t spine_t ;
API spine_t * spine ( const char * file_json , const char * file_atlas , unsigned flags ) ;
API void spine_skin ( spine_t * p , unsigned skin ) ;
API void spine_render ( spine_t * p , vec3 offset , unsigned flags ) ;
API void spine_animate ( spine_t * p , float delta ) ;
API void ui_spine ( spine_t * p ) ;
// ----------------------------------------------------------------------------
// atlas api
2024-03-26 19:15:30 +00:00
2024-03-26 16:15:02 +00:00
typedef struct atlas_frame_t {
unsigned delay ;
vec4 sheet ;
vec2 anchor ; // @todo
array ( vec3i ) indices ;
array ( vec2 ) coords ;
array ( vec2 ) uvs ;
} atlas_frame_t ;
typedef struct atlas_anim_t {
unsigned name ;
array ( unsigned ) frames ;
} atlas_anim_t ;
typedef struct atlas_slice_frame_t {
vec4 bounds ;
bool has_9slice ;
vec4 core ;
vec2 pivot ;
unsigned color ;
char * text ;
} atlas_slice_frame_t ;
typedef struct atlas_slice_t {
unsigned name ;
array ( unsigned ) frames ;
} atlas_slice_t ;
typedef struct atlas_t {
texture_t tex ;
array ( atlas_frame_t ) frames ;
array ( atlas_anim_t ) anims ;
array ( atlas_slice_t ) slices ;
array ( atlas_slice_frame_t ) slice_frames ;
quarks_db db ;
} atlas_t ;
API atlas_t atlas_create ( const char * inifile , unsigned flags ) ;
API int ui_atlas ( atlas_t * a ) ;
API int ui_atlas_frame ( atlas_frame_t * f ) ;
API void atlas_destroy ( atlas_t * a ) ;
// ----------------------------------------------------------------------------
// sprite v2 api
typedef struct sprite_t { OBJ
vec4 gamepad ; // up,down,left,right
vec2 fire ; // a,b
vec4 pos ;
vec2 sca ;
float tilt ;
unsigned tint ;
unsigned frame ;
unsigned timer , timer_ms ;
unsigned flip_ , flipped ;
unsigned play ;
bool paused ;
// array(unsigned) play_queue; or unsigned play_next;
struct atlas_t * a ; // shared
//atlas_t own; // owned
} sprite_t ;
OBJTYPEDEF ( sprite_t , 10 ) ;
API void sprite_ctor ( sprite_t * s ) ;
API void sprite_dtor ( sprite_t * s ) ;
API void sprite_tick ( sprite_t * s ) ;
API void sprite_draw ( sprite_t * s ) ;
API void sprite_edit ( sprite_t * s ) ;
API sprite_t * sprite_new ( const char * ase , int bindings [ 6 ] ) ;
API void sprite_del ( sprite_t * s ) ;
API void sprite_setanim ( sprite_t * s , unsigned name ) ;
# line 0
# line 1 "v4k_gui.h"
// ----------------------------------------------------------------------------
// game ui
typedef struct guiskin_t {
void ( * drawrect ) ( void * userdata , const char * skin , const char * fallback , vec4 rect ) ;
void ( * getskinsize ) ( void * userdata , const char * skin , const char * fallback , vec2 * size ) ;
void ( * getskincolor ) ( void * userdata , const char * skin , const char * fallback , unsigned * color ) ;
void ( * getscissorrect ) ( void * userdata , const char * skin , const char * fallback , vec4 rect , vec4 * dims ) ;
bool ( * ismouseinrect ) ( void * userdata , const char * skin , const char * fallback , vec4 rect ) ;
void ( * free ) ( void * userdata ) ;
void * userdata ;
} guiskin_t ;
API void gui_pushskin ( guiskin_t skin ) ;
API void * gui_userdata ( ) ;
API vec2 gui_getskinsize ( const char * skin , const char * fallback ) ;
API unsigned gui_getskincolor ( const char * skin , const char * fallback ) ;
API bool gui_ismouseinrect ( const char * skin , const char * fallback , vec4 rect ) ;
API vec4 gui_getscissorrect ( const char * skin , const char * fallback , vec4 rect ) ;
// --
API void gui_panel_id ( int id , vec4 rect , const char * skin ) ;
API void gui_rect_id ( int id , vec4 rect , const char * skin ) ;
API void gui_label_id ( int id , const char * skin , const char * text , vec4 rect ) ;
API bool gui_button_id ( int id , vec4 rect , const char * skin ) ;
API bool gui_button_label_id ( int id , const char * text , vec4 rect , const char * skin ) ;
API bool gui_slider_id ( int id , vec4 rect , const char * skin , float min , float max , float step , float * value ) ;
API bool gui_slider_label_id ( int id , const char * text , vec4 rect , const char * skin , float min , float max , float step , float * value ) ;
API void gui_panel_end ( ) ;
API void gui_popskin ( ) ;
// helpers
# define gui_panel(...) gui_panel_id(__LINE__, __VA_ARGS__)
# define gui_rect(...) gui_rect_id(__LINE__, __VA_ARGS__)
# define gui_label(...) gui_label_id(__LINE__, __VA_ARGS__)
# define gui_button(...) gui_button_id(__LINE__, __VA_ARGS__)
# define gui_button_label(...) gui_button_label_id(__LINE__, __VA_ARGS__)
# define gui_slider(...) gui_slider_id(__LINE__, __VA_ARGS__)
# define gui_slider_label(...) gui_slider_label_id(__LINE__, __VA_ARGS__)
// default renderers
typedef struct skinned_t {
atlas_t atlas ;
float scale ;
} skinned_t ;
// The skinning engine depends on an Aseprite asset with slices set up.
// While you can specify your own skins for various GUI widgets, some
// skin variants are hardcoded and expected to be present in your asset:
//
// gui_panel():
// - "panel" (overridable)
// gui_button():
// - "button" (base overridable)
// - "_hover" (ex. "scarybtn_hover")
// - "_press"
// gui_rect():
// - no defaults, always pass your own skin/slice name
// gui_slider():
// - "slider" (overridable)
// - "slider_cursor" (partially overridable, ex. "bigslider_cursor")
// - "_hover" (ex. "slider_cursor_hover")
// - "_press"
//
2024-03-27 11:11:39 +00:00
API guiskin_t gui_skinned ( const char * asefile , float scale ) ;
2024-03-26 16:15:02 +00:00
# line 0
# line 1 "v4k_steam.h"
// ----------------------------------------------------------------------------
// steam framework
API bool steam_init ( unsigned app_id ) ;
API void steam_tick ( ) ;
API void steam_trophy ( const char * trophy_id , bool redeem ) ;
API void steam_screenshot ( ) ;
API void steam_destroy ( ) ;
API int ui_steam ( ) ;
# line 0
# line 1 "v4k_system.h"
// -----------------------------------------------------------------------------
// system framework utils
// - rlyeh, public domain.
//
// Note: Windows users add `/Zi` compilation flags, else add `-g` and/or `-ldl` flags
// Note: If you are linking your binary using GNU ld you need to add --export-dynamic
API void * thread ( int ( * thread_func ) ( void * user_data ) , void * user_data ) ;
API void thread_destroy ( void * thd ) ;
API int argc ( ) ;
API char * argv ( int ) ;
API void argvadd ( const char * arg ) ;
API int flag ( const char * commalist ) ; // --arg // app_flag?
API const char * option ( const char * commalist , const char * defaults ) ; // --arg=string or --arg string
API int optioni ( const char * commalist , int defaults ) ; // --arg=integer or --arg integer // argvi() ?
API float optionf ( const char * commalist , float defaults ) ; // --arg=float or --arg float // flagf() ?
API void tty_attach ( ) ;
API void tty_detach ( ) ;
API void tty_color ( unsigned color ) ;
API void tty_reset ( ) ;
API const char * app_exec ( const char * command ) ; // returns ("%15d %s", retcode, output_last_line)
API int app_spawn ( const char * command ) ;
API int app_cores ( ) ;
API int app_battery ( ) ; /// returns battery level [1..100]. also positive if charging (+), negative if discharging (-), and 0 if no battery is present.
API const char * app_name ( ) ;
API const char * app_path ( ) ;
API const char * app_cache ( ) ;
API const char * app_temp ( ) ;
API const char * app_cmdline ( ) ;
API void app_beep ( ) ;
API void app_hang ( ) ;
API void app_crash ( ) ;
API void app_singleton ( const char * guid ) ;
API bool app_open ( const char * folder_file_or_url ) ;
API const char * app_loadfile ( ) ;
API const char * app_savefile ( ) ;
API char * callstack ( int traces ) ; // write callstack into a temporary string. <0 traces to invert order. do not free().
API int callstackf ( FILE * fp , int traces ) ; // write callstack to file. <0 traces to invert order.
API void die ( const char * message ) ;
API void alert ( const char * message ) ;
API void hexdump ( const void * ptr , unsigned len ) ;
API void hexdumpf ( FILE * fp , const void * ptr , unsigned len , int width ) ;
API void breakpoint ( ) ;
API bool has_debugger ( ) ;
API void trap_install ( void ) ;
API const char * trap_name ( int signal ) ; // helper util
API void trap_on_ignore ( int signal ) ; // helper util
API void trap_on_quit ( int signal ) ; // helper util
API void trap_on_abort ( int signal ) ; // helper util
API void trap_on_debug ( int signal ) ; // helper util
# define PANIC(...) PANIC(va(""__VA_ARGS__), __FILE__, __LINE__) // die() ?
API int ( PANIC ) ( const char * error , const char * file , int line ) ;
# define PRINTF(...) PRINTF(va(""__VA_ARGS__), 1[""#__VA_ARGS__] == '!' ? callstack(+48) : "", __FILE__, __LINE__, __FUNCTION__)
API int ( PRINTF ) ( const char * text , const char * stack , const char * file , int line , const char * function ) ;
# define test(expr) test(__FILE__,__LINE__,#expr,!!(expr))
API int ( test ) ( const char * file , int line , const char * expr , bool result ) ;
# if ENABLE_AUTOTESTS
# define AUTOTEST AUTORUN
# else
# define AUTOTEST static void concat(concat(concat(disabled_test_, __LINE__), _), __COUNTER__)()
# endif
// AUTOTEST { test(1<2); }
# if ENABLE_RETAIL
# undef PRINTF
# define PRINTF(...) 0
# undef test
# define test(expr) 0
# endif
# line 0
# line 1 "v4k_time.h"
// -----------------------------------------------------------------------------
// time framework utils
API uint64_t date ( ) ; // YYYYMMDDhhmmss
API uint64_t date_epoch ( ) ; // linux epoch
API char * date_string ( ) ; // "YYYY-MM-DD hh:mm:ss"
API double time_hh ( ) ;
API double time_mm ( ) ;
API double time_ss ( ) ;
API uint64_t time_ms ( ) ;
API uint64_t time_us ( ) ;
API uint64_t time_ns ( ) ;
API void sleep_ss ( double ss ) ;
API void sleep_ms ( double ms ) ;
API void sleep_us ( double us ) ;
API void sleep_ns ( double us ) ;
API unsigned timer ( unsigned ms , unsigned ( * callback ) ( unsigned ms , void * arg ) , void * arg ) ;
API void timer_destroy ( unsigned timer_handle ) ;
// time sortable unique identifier (similar to ksuid/tuid; others: sno/xid/cuid/ulid)
// - rlyeh, public domain.
//
// also similar to a mongo object id, 12 bytes as follows:
// - 4-byte timestamp (ss). epoch: Tuesday, 12 September 2023 6:06:56
// - 2-byte (machine, hash or app id)
// - 2-byte (thread-id)
// - 4-byte (rand counter, that gets increased at every id creation)
typedef vec3i guid ;
API guid guid_create ( ) ;
/*
AUTORUN {
guid g1 = guid_create ( ) ;
guid g2 = guid_create ( ) ;
print3i ( g1 ) ;
hexdump ( & g1 , sizeof ( g1 ) ) ;
print3i ( g2 ) ;
hexdump ( & g2 , sizeof ( g2 ) ) ;
}
*/
// ----------------------------------------------------------------------------
// ease
API float ease_zero ( float t ) ;
API float ease_one ( float t ) ;
API float ease_linear ( float t ) ;
API float ease_out_sine ( float t ) ;
API float ease_out_quad ( float t ) ;
API float ease_out_cubic ( float t ) ;
API float ease_out_quart ( float t ) ;
API float ease_out_quint ( float t ) ;
API float ease_out_expo ( float t ) ;
API float ease_out_circ ( float t ) ;
API float ease_out_back ( float t ) ;
API float ease_out_elastic ( float t ) ;
API float ease_out_bounce ( float t ) ;
API float ease_in_sine ( float t ) ;
API float ease_in_quad ( float t ) ;
API float ease_in_cubic ( float t ) ;
API float ease_in_quart ( float t ) ;
API float ease_in_quint ( float t ) ;
API float ease_in_expo ( float t ) ;
API float ease_in_circ ( float t ) ;
API float ease_in_back ( float t ) ;
API float ease_in_elastic ( float t ) ;
API float ease_in_bounce ( float t ) ;
API float ease_inout_sine ( float t ) ;
API float ease_inout_quad ( float t ) ;
API float ease_inout_cubic ( float t ) ;
API float ease_inout_quart ( float t ) ;
API float ease_inout_quint ( float t ) ;
API float ease_inout_expo ( float t ) ;
API float ease_inout_circ ( float t ) ;
API float ease_inout_back ( float t ) ;
API float ease_inout_elastic ( float t ) ;
API float ease_inout_bounce ( float t ) ;
API float ease_inout_perlin ( float t ) ;
enum EASE_FLAGS {
EASE_SINE ,
EASE_QUAD ,
EASE_CUBIC ,
EASE_QUART ,
EASE_QUINT ,
EASE_EXPO ,
EASE_CIRC ,
EASE_BACK ,
EASE_ELASTIC ,
EASE_BOUNCE ,
EASE_IN ,
EASE_OUT = 0 ,
EASE_INOUT = EASE_IN * 2 ,
EASE_ZERO = EASE_INOUT | ( EASE_BOUNCE + 1 ) ,
EASE_ONE ,
EASE_LINEAR ,
EASE_INOUT_PERLIN ,
EASE_NUM
} ;
API float ease ( float t01 , unsigned fn ) ; // / 0-to-1
API float ease_pong ( float t01 , unsigned fn ) ; // \ 1-to-0
API float ease_ping_pong ( float t , unsigned fn1 , unsigned fn2 ) ; // /\ 0-to-1-to-0
API float ease_pong_ping ( float t , unsigned fn1 , unsigned fn2 ) ; // \/ 1-to-0-to-1
API const char * ease_enum ( unsigned fn ) ;
API const char * * ease_enums ( ) ;
// ----------------------------------------------------------------------------
// tween
typedef struct tween_keyframe_t {
float t ;
vec3 v ;
unsigned ease ;
} tween_keyframe_t ;
typedef struct tween_t {
array ( tween_keyframe_t ) keyframes ;
vec3 result ;
float time ;
float duration ;
} tween_t ;
API tween_t tween ( ) ;
API void tween_setkey ( tween_t * tw , float t , vec3 v , unsigned easing_mode ) ;
API void tween_delkey ( tween_t * tw , float t ) ;
API float tween_update ( tween_t * tw , float dt ) ;
API void tween_reset ( tween_t * tw ) ;
API void tween_destroy ( tween_t * tw ) ;
// ----------------------------------------------------------------------------
// curve
typedef struct curve_t {
array ( float ) lengths ;
array ( unsigned ) colors ;
array ( vec3 ) samples ;
array ( vec3 ) points ;
array ( int ) indices ;
} curve_t ;
API curve_t curve ( ) ;
API void curve_add ( curve_t * c , vec3 p ) ;
API void curve_end ( curve_t * c , int num_points ) ;
API vec3 curve_eval ( curve_t * c , float dt , unsigned * color ) ;
API void curve_destroy ( curve_t * c ) ;
# line 0
# line 1 "v4k_ui.h"
// -----------------------------------------------------------------------------
// immediate ui framework
// - rlyeh, public domain
//
// @todo: logger/console
// @todo: surround-adaptive window resizing. ie, surrounding windows adapting theirselves to fit dragged active window
enum PANEL_FLAGS {
PANEL_OPEN = 1 ,
} ;
API int ui_notify ( const char * title , const char * body ) ;
API int ui_window ( const char * title , int * enabled ) ;
API int ui_panel ( const char * title , int flags ) ; // may be embedded inside a window, or standalone
API int ui_collapse ( const char * label , const char * id ) ;
API int ui_collapseo ( const char * label , const char * id ) ;
API int ui_contextual ( ) ;
API int ui_section ( const char * title ) ;
API int ui_int ( const char * label , int * value ) ;
API int ui_bool ( const char * label , bool * value ) ;
API int ui_short ( const char * label , short * value ) ;
API int ui_float ( const char * label , float * value ) ;
API int ui_float2 ( const char * label , float value [ 2 ] ) ;
API int ui_float3 ( const char * label , float value [ 3 ] ) ;
API int ui_float4 ( const char * label , float value [ 4 ] ) ;
API int ui_mat33 ( const char * label , float mat33 [ 9 ] ) ;
API int ui_mat34 ( const char * label , float mat34 [ 12 ] ) ;
API int ui_mat44 ( const char * label , float mat44 [ 16 ] ) ;
API int ui_double ( const char * label , double * value ) ;
API int ui_buffer ( const char * label , char * buffer , int buflen ) ;
API int ui_string ( const char * label , char * * string ) ;
API int ui_color3 ( const char * label , unsigned * color ) ; //[0..255]
API int ui_color3f ( const char * label , float color [ 3 ] ) ; //[0..1]
API int ui_color4 ( const char * label , unsigned * color ) ; //[0..255]
API int ui_color4f ( const char * label , float color [ 4 ] ) ; //[0..1]
API int ui_unsigned ( const char * label , unsigned * value ) ;
API int ui_unsigned2 ( const char * label , unsigned * value ) ;
API int ui_unsigned3 ( const char * label , unsigned * value ) ;
API int ui_button ( const char * label ) ;
API int ui_button_transparent ( const char * label ) ;
API int ui_buttons ( int buttons , /*labels*/ . . . ) ;
API int ui_toolbar ( const char * options ) ; // int choice = ui_toolbar("A;B;C;D");
API int ui_submenu ( const char * options ) ; // int choice = ui_submenu("A;B;C;D");
API int ui_browse ( const char * * outfile , bool * inlined ) ; // may be embedded inside a window or inside a panel
API int ui_toggle ( const char * label , bool * value ) ;
API int ui_dialog ( const char * title , const char * text , int choices , bool * show ) ; // @fixme: return
API int ui_list ( const char * label , const char * * items , int num_items , int * selector ) ;
API int ui_radio ( const char * label , const char * * items , int num_items , int * selector ) ;
API int ui_texture ( const char * label , texture_t t ) ;
API int ui_subtexture ( const char * label , texture_t t , unsigned x , unsigned y , unsigned w , unsigned h ) ;
API int ui_image ( const char * label , handle id , unsigned w , unsigned h ) ; //(w,h) can be 0
API int ui_subimage ( const char * label , handle id , unsigned iw , unsigned ih , unsigned sx , unsigned sy , unsigned sw , unsigned sh ) ;
API int ui_colormap ( const char * label , colormap_t * cm ) ; // returns num member changed: 1 for color, 2 for texture map
API int ui_separator ( ) ;
API int ui_bitmask8 ( const char * label , uint8_t * bits ) ;
API int ui_bitmask16 ( const char * label , uint16_t * bits ) ;
API int ui_console ( ) ;
API int ui_clampf ( const char * label , float * value , float minf , float maxf ) ;
API int ui_label ( const char * label ) ;
API int ui_label2 ( const char * label , const char * caption ) ;
API int ui_label2_bool ( const char * label , bool enabled ) ;
API int ui_label2_float ( const char * label , float value ) ;
API int ui_label2_toolbar ( const char * label , const char * icons ) ;
API int ui_slider ( const char * label , float * value ) ;
API int ui_slider2 ( const char * label , float * value , const char * caption ) ;
API int ui_contextual_end ( int close ) ;
API int ui_collapse_clicked ( ) ;
API int ui_collapse_end ( ) ;
API int ui_panel_end ( ) ;
API int ui_window_end ( ) ;
API int ui_show ( const char * panel_or_window_title , int enabled ) ;
API int ui_dims ( const char * panel_or_window_title , float width , float height ) ;
API int ui_visible ( const char * panel_or_window_title ) ; // @todo: include ui_collapse() items that are open as well?
API vec2 ui_get_dims ( ) ;
API int ui_enable ( ) ;
API int ui_enabled ( ) ;
API int ui_disable ( ) ;
API int ui_has_menubar ( ) ;
API int ui_menu ( const char * items ) ; // semicolon-separated or comma-separated items
API int ui_menu_editbox ( char * buf , int bufcap ) ;
API int ui_item ( ) ;
API int ui_popups ( ) ; // ui_any_popup()? ui_has_popups()?
API int ui_hover ( ) ; // ui_is_hover()?
API int ui_active ( ) ; // ui_is_active()?
API int ui_demo ( int do_windows ) ;
API void * ui_handle ( ) ;
# line 0
# line 1 "v4k_video.h"
// -----------------------------------------------------------------------------
// video decoder (mpeg)
// - rlyeh, public domain
//
// [ref] https://github.com/phoboslab/pl_mpeg/blob/master/pl_mpeg_player.c
// [use] ffmpeg -i infile.mp4 -c:v mpeg1video -c:a mp2 -format mpeg outfile.mpg
enum VIDEO_FLAGS {
VIDEO_YCBCR = 0 ,
VIDEO_RGB = 2 ,
VIDEO_AUDIO = 0 ,
VIDEO_NO_AUDIO = 4 ,
VIDEO_LOOP = 8 ,
} ;
typedef struct video_t video_t ;
API video_t * video ( const char * filename , int flags ) ;
API texture_t * video_decode ( video_t * v ) ; // decodes next frame, returns associated texture(s)
API texture_t * video_textures ( video_t * v ) ; // returns last video textures. does not perform any decoding.
API int video_has_finished ( video_t * v ) ;
API double video_duration ( video_t * v ) ;
API int video_seek ( video_t * v , double seek_to ) ;
API double video_position ( video_t * v ) ;
API void video_pause ( video_t * v , bool paused ) ;
API bool video_is_paused ( video_t * v ) ;
API bool video_is_rgb ( video_t * v ) ;
API void video_destroy ( video_t * v ) ;
// -----------------------------------------------------------------------------
// video recorder (uses external ffmpeg and fallbacks to built-in mpeg1 encoder)
// - rlyeh, public domain
//
// @fixme: MSAA can cause some artifacts with Intel PBOs: either use glDisable(GL_MULTISAMPLE) before recording or do not create window with WINDOW_MSAA at all.
API bool record_start ( const char * outfile_mp4 ) ;
API bool record_active ( ) ;
API void record_stop ( void ) ;
# line 0
# line 1 "v4k_window.h"
// -----------------------------------------------------------------------------
// window framework
// - rlyeh, public domain
//
// @todo: window_cursor(ico);
// @todo: if WINDOW_PORTRAIT && exist portrait monitor, use that instead of primary one
// @todo: WINDOW_TRAY
enum WINDOW_FLAGS {
WINDOW_MSAA2 = 0x02 ,
WINDOW_MSAA4 = 0x04 ,
WINDOW_MSAA8 = 0x08 ,
WINDOW_SQUARE = 0x20 ,
WINDOW_PORTRAIT = 0x40 ,
WINDOW_LANDSCAPE = 0x80 ,
WINDOW_ASPECT = 0x100 , // keep aspect
WINDOW_FIXED = 0x200 , // disable resizing
WINDOW_TRANSPARENT = 0x400 ,
WINDOW_BORDERLESS = 0x800 ,
WINDOW_VSYNC_DISABLED = 0 ,
WINDOW_VSYNC_ADAPTIVE = 0x1000 ,
WINDOW_VSYNC = 0x2000 ,
} ;
API bool window_create ( float scale , unsigned flags ) ;
API bool window_create_from_handle ( void * handle , float scale , unsigned flags ) ;
API void window_reload ( ) ;
API int window_frame_begin ( ) ;
API void window_frame_end ( ) ;
API void window_frame_swap ( ) ;
API int window_swap ( ) ; // single function that combines above functions (desktop only)
API void window_loop ( void ( * function ) ( void * loopArg ) , void * loopArg ) ; // run main loop function continuously (emscripten only)
API void window_loop_exit ( ) ; // exit from main loop function (emscripten only)
API void window_title ( const char * title ) ;
API void window_color ( unsigned color ) ;
2024-03-26 18:13:55 +00:00
API void window_gamma ( float gamma ) ; // 2.2 - standard, 0.0 - disables postfx pass
API float window_get_gamma ( ) ;
2024-03-26 16:15:02 +00:00
API vec2 window_canvas ( ) ;
API void * window_handle ( ) ;
API char * window_stats ( ) ;
API uint64_t window_frame ( ) ;
API int window_width ( ) ;
API int window_height ( ) ;
API double window_time ( ) ;
API double window_delta ( ) ;
// API bool window_hook(void (*func)(), void* userdata); // deprecated
// API void window_unhook(void (*func)()); // deprecated
API void window_focus ( ) ; // window attribute api using haz catz language for now
API int window_has_focus ( ) ;
API void window_fullscreen ( int enabled ) ;
API int window_has_fullscreen ( ) ;
API void window_cursor ( int visible ) ;
API int window_has_cursor ( ) ;
API void window_pause ( int paused ) ;
API int window_has_pause ( ) ;
API void window_visible ( int visible ) ;
API int window_has_visible ( ) ;
API void window_maximize ( int enabled ) ;
API int window_has_maximize ( ) ;
API void window_transparent ( int enabled ) ;
API int window_has_transparent ( ) ;
API void window_icon ( const char * file_icon ) ;
API int window_has_icon ( ) ;
API void window_debug ( int visible ) ;
API int window_has_debug ( ) ;
API double window_aspect ( ) ;
API void window_aspect_lock ( unsigned numer , unsigned denom ) ;
API void window_aspect_unlock ( ) ;
API double window_fps ( ) ;
API double window_fps_target ( ) ;
API void window_fps_lock ( float fps ) ;
API void window_fps_unlock ( ) ;
API void window_screenshot ( const char * outfile_png ) ; // , bool record_cursor
API int window_record ( const char * outfile_mp4 ) ; // , bool record_cursor
API vec2 window_dpi ( ) ;
enum CURSOR_SHAPES {
CURSOR_NONE ,
CURSOR_HW_ARROW , // default
CURSOR_HW_IBEAM , // i-beam text cursor
CURSOR_HW_HDRAG , // horizontal drag/resize
CURSOR_HW_VDRAG , // vertical drag/resize
CURSOR_HW_HAND , // hand, clickable
CURSOR_HW_CROSS , // crosshair
CURSOR_SW_AUTO , // software cursor, ui driven. note: this is the only icon that may be recorded or snapshotted
} ;
API void window_cursor_shape ( unsigned shape ) ;
API const char * window_clipboard ( ) ;
API void window_setclipboard ( const char * text ) ;
# line 0
// ----
# line 1 "v4k_editor.h"
// -----------------------------------------------------------------------------
// in-game editor
// - rlyeh, public domain.
# define EDITOR_VERSION "2023.10"
// ----------------------------------------------------------------------------
// editor bindings
typedef struct editor_bind_t {
const char * command ;
const char * bindings ;
void ( * fn ) ( ) ;
} editor_bind_t ;
API void editor_addbind ( editor_bind_t bind ) ;
# define EDITOR_BIND(CMD,KEYS,...) \
void macro ( editor_bind_ # # CMD # # _fn_ ) ( ) { __VA_ARGS__ } ; AUTORUN { array_push ( editor_binds , ( ( editor_bind_t ) { # CMD , KEYS , macro ( editor_bind_ # # CMD # # _fn_ ) } ) ) ; }
// ----------------------------------------------------------------------------
// editor properties
# define EDITOR_PROPERTYDEF(T,property_name) \
typedef map ( void * , T ) editor_ # # property_name # # _map_t ; \
API editor_ # # property_name # # _map_t * editor_ # # property_name # # _map ( ) ; \
API T editor_ # # property_name ( const void * obj ) ; \
API void editor_set # # property_name ( const void * obj , T value ) ; \
API void editor_alt # # property_name ( const void * obj ) ; \
API void editor_no # # property_name ( void * obj ) ;
EDITOR_PROPERTYDEF ( int , open ) ; ///- whether object is tree opened in tree editor
EDITOR_PROPERTYDEF ( int , selected ) ; ///- whether object is displaying a contextual popup or not
EDITOR_PROPERTYDEF ( int , changed ) ; ///- whether object is displaying a contextual popup or not
EDITOR_PROPERTYDEF ( int , popup ) ; ///- whether object is displaying a contextual popup or not
EDITOR_PROPERTYDEF ( int , bookmarked ) ; ///-
EDITOR_PROPERTYDEF ( int , visible ) ; ///-
EDITOR_PROPERTYDEF ( int , script ) ; ///-
EDITOR_PROPERTYDEF ( int , event ) ; ///-
EDITOR_PROPERTYDEF ( char * , iconinstance ) ; ///-
EDITOR_PROPERTYDEF ( char * , iconclass ) ; ///-
EDITOR_PROPERTYDEF ( int , treeoffsety ) ; ///-
API void editor_destroy_properties ( void * o ) ;
API void editor_load_on_boot ( void ) ;
API void editor_save_on_quit ( void ) ;
// ----------------------------------------------------------------------------
// editor ui
enum EDITOR_MODE {
EDITOR_PANEL ,
EDITOR_WINDOW ,
EDITOR_WINDOW_NK ,
EDITOR_WINDOW_NK_SMALL ,
} ;
API int editor_begin ( const char * title , int mode ) ;
API int editor_end ( int mode ) ;
// ----------------------------------------------------------------------------------------
// editor selection
API int editor_filter ( ) ;
API void editor_select ( const char * mask ) ;
API void editor_unselect ( ) ; // same than editor_select("!**");
API void editor_select_aabb ( aabb box ) ;
API void editor_selectgroup ( obj * first , obj * last ) ;
API void * editor_first_selected ( ) ;
API void * editor_last_selected ( ) ;
// ----------------------------------------------------------------------------------------
// editor instancing
API void editor_addtoworld ( obj * o ) ;
API void editor_watch ( const void * o ) ;
API void * editor_spawn ( const char * ini ) ; // deprecate?
API void editor_spawn1 ( ) ;
API void editor_destroy_selected ( ) ;
API void editor_inspect ( obj * o ) ;
// ----------------------------------------------------------------------------------------
// editor utils
//API void editor();
//API bool editor_active();
API vec3 editor_pick ( float mouse_x , float mouse_y ) ;
API char * editor_path ( const char * path ) ;
API void editor_setmouse ( int x , int y ) ;
API vec2 editor_glyph ( int x , int y , const char * style , unsigned codepoint ) ;
API vec2 editor_glyphs ( int x , int y , const char * style , const char * utf8 ) ;
API void editor_gizmos ( int dim ) ;
// ----------------------------------------------------------------------------------------
// editor loop
API int editor_send ( const char * cmd ) ; // returns job-id
API const char * editor_recv ( int jobid , double timeout_ss ) ;
API void editor_pump ( ) ;
API void editor_frame ( void ( * game ) ( unsigned , float , double ) ) ;
// ----------------------------------------------------------------------------------------
// engine section: @todo: expand me
API float * engine_getf ( const char * key ) ;
API int * engine_geti ( const char * key ) ;
API char * * engine_gets ( const char * key ) ;
API int engine_send ( const char * cmd , const char * optional_value ) ;
API int ui_engine ( ) ;
# line 0
// ----
# if is(cpp)
} // extern "C"
# endif
// expose glfw/glad apis
# if is(ems)
# include <GL/glew.h>
# include <GLFW/glfw3.h>
# include <emscripten.h>
# include <emscripten/html5.h>
# define gladLoadGL(func) (glewExperimental = true, glewInit() == GLEW_OK) ///-
# else
# if is(win32) /*&& is(tcc)*/ // && ENABLE_DLL
# ifdef GLAD_API_CALL
# undef GLAD_API_CALL
# endif
# define GLAD_API_CALL extern API ///-
# endif
# ifndef GLAD_GL_H_
# include "v4k"
# endif
# endif
# endif // V4K_H