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v4k-git-backup/engine/v4k.h

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/* 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 - 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.
* ------------------------------------------------------------------------------
* ALTERNATIVE C - Zero 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.
*
* ## 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
* license 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 "engine/split/v4k_config.h"
// -----------------------------------------------------------------------------
// config directives
#ifndef ENABLE_FASTCALL_LUA
#define ENABLE_FASTCALL_LUA 1 ///+
#endif
#ifndef ENABLE_PROFILER
#define ENABLE_PROFILER ifdef(debug, 1, 0) ///+
#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_TESTS
#define ENABLE_TESTS 0 // ifdef(debug, 1, 0) ///+
#endif
#ifndef ENABLE_RETAIL
#define ENABLE_RETAIL 0 // ifdef(retail, 1, 0) ///+
#endif
#ifndef COOK_DISABLED
#define COOK_DISABLED 0 // ifdef(nocook, 1, 0) ///+
#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
#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
#if ENABLE_RETAIL
#define ifdef_retail ifdef_true
#else
#define ifdef_retail ifdef_false
#endif
#if COOK_DISABLED
#define ifdef_nocook ifdef_true
#else
#define ifdef_nocook ifdef_false
#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 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(); macro(i); macro(t)+=time_ss(), macro(i)=0, printf("%.4fs %2.f%% (" FILELINE ")\n", macro(t), macro(t)*100/0.0166667 ))
#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
#define ASSERT(expr, ...) do { int fool_msvc[] = {0,}; if(!(expr)) { fool_msvc[0]++; breakpoint(va("!Expression failed: " #expr " " FILELINE "\n" __VA_ARGS__)); } } while(0)
#define ASSERT_ONCE(expr, ...) do { int fool_msvc[] = {0,}; if(!(expr)) { fool_msvc[0]++; static int seen = 0; if(!seen) seen = 1, breakpoint(va("!Expression failed: " #expr " " FILELINE "\n" __VA_ARGS__)); } } while(0)
#define STATIC_ASSERT(EXPR) typedef struct { unsigned macro(static_assert_on_line_) : !!(EXPR); } macro(static_assert_on_line_)
#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 ///-
#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__ } )
// -----------------------------------------------------------------------------
// 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
#ifdef __cplusplus
#define AUTORUN \
static void AUTORUN_U(f)(void); \
static const int AUTORUN_J(AUTORUN_U(f),__1) = (AUTORUN_U(f)(), 1); \
static void AUTORUN_U(f)(void)
#elif defined _MSC_VER && !defined(__clang__) // cl, but not clang-cl
#define AUTORUN \
static void AUTORUN_U(f)(void); \
static int AUTORUN_J(AUTORUN_U(f),__1) (){ AUTORUN_U(f)(); return 0; } \
__pragma(section(".CRT$XIU", long, read)) \
__declspec(allocate(".CRT$XIU")) \
static int(* AUTORUN_J(AUTORUN_U(f),__2) )() = AUTORUN_J(AUTORUN_U(f),__1); \
static void AUTORUN_U(f)(void)
#else // gcc,tcc,clang,clang-cl...
#define AUTORUN \
__attribute__((constructor)) \
static void AUTORUN_U(f)(void)
#endif
// join + unique macro utils
#define AUTORUN_j(a, b) a##b
#define AUTORUN_J(a, b) AUTORUN_j(a, b)
#define AUTORUN_U(x) AUTORUN_J(x, __LINE__)
#if 0 // autorun demo
void byebye(void) { puts("seen after main()"); }
AUTORUN { puts("seen before main()"); }
AUTORUN { puts("seen before main() too"); atexit( byebye ); }
#endif
// -----------------------------------------------------------------------------
// build info
#ifndef BUILD_VERSION
#define BUILD_VERSION ""
#endif
// -----------------------------------------------------------------------------
// visibility
// win32 users would need to -DAPI=IMPORT/EXPORT as needed when using/building 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 "engine/split/v4k_ds.h"
// data structures and utils: array, set, map, hash, sort.
// - rlyeh, public domain
// -----------------------------------------------------------------------------
// sort
API int sort_64(const void *a, const void *b);
// -----------------------------------------------------------------------------
// 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);
// -----------------------------------------------------------------------------
// 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 (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(t,val_t,v) \
( int __it = 0, __end = array_count(t); __it < __end; ++__it ) \
for( val_t v = __it[t], *on__ = &v; on__; on__ = 0 )
#define array_foreach_ptr(t,val_t,v) for each_array_ptr(t,val_t,v)
#define each_array_ptr(t,val_t,v) \
( int __it = 0, __end = array_count(t); __it < __end; ++__it ) \
for( val_t *v = (val_t*)&__it[t]; 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 { /*todo: review old vrealloc call!*/ \
array_free(t); \
(t) = array_realloc_( (t), array_count(src)); \
memcpy( (t), src, array_count(src) * sizeof(0[t])); \
} while(0)
#define array_swapback_and_pop(t, i) do { /*may alter ordering*/ \
memcpy( &(t)[i], &(t)[array_count(t) - 1], sizeof(0[t])); \
array_pop(t); \
} while(0)
#define array_erase(t, i) do { \
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);
// -----------------------------------------------------------------------------
// 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)
#line 0
#line 1 "engine/split/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 (3.141592654f) // (3.14159265358979323846f)
#define TO_RAD (C_PI/180.f)
#define TO_DEG (180.f/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 double rng(void); // [0..1) Lehmer RNG "minimal standard"
// ----------------------------------------------------------------------------
API float simplex1( float x );
API float simplex2( vec2 xy );
API float simplex3( vec3 xyz );
API float simplex4( vec4 xyzw );
// ----------------------------------------------------------------------------
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_LINEAR,
EASE_SINE,
EASE_QUAD,
EASE_CUBIC,
EASE_QUART,
EASE_QUINT,
EASE_EXPO,
EASE_CIRC,
EASE_BACK,
EASE_ELASTIC,
EASE_BOUNCE,
EASE_IN,
EASE_INOUT = EASE_IN * 2,
EASE_OUT = 0,
};
API float ease(float t01, unsigned mode); // 0=linear,1=out_sine...31=inout_perlin
API float ease_ping_pong(float t, float(*fn1)(float), float(*fn2)(float));
API float ease_pong_ping(float t, float(*fn1)(float), float(*fn2)(float));
// ----------------------------------------------------------------------------
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 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 );
API vec2 atof2(const char *s);
API vec3 atof3(const char *s);
API vec4 atof4(const char *s);
API char* ftoa(float f);
API char* ftoa2(vec2 v);
API char* ftoa3(vec3 v);
API char* ftoa4(vec4 v);
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);
#line 0
#line 1 "engine/split/v4k_ai.h"
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);
// pathfinding -----------------------------------------------------------------
API int pathfind_astar(int width, int height, const unsigned* map, vec2i src, vec2i dst, vec2i* path, size_t maxpath);
#line 0
#line 1 "engine/split/v4k_bt.h"
// Behavior trees: decision planning and decision making.
// Supersedes finite state-machines (FSM) and hierarchical finite state-machines (HFSM).
// - rlyeh, public domain.
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);
#line 0
#line 1 "engine/split/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 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 "engine/split/v4k_buffer.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
// - rlyeh, public domain.
//
// 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 );
#line 0
#line 1 "engine/split/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 "engine/split/v4k_cooker.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]
#line 0
#line 1 "engine/split/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 "engine/split/v4k_dll.h"
// dll utils
// - rlyeh, public domain
/// !!! `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);
#line 0
#line 1 "engine/split/v4k_editor.h"
// -----------------------------------------------------------------------------
// in-game editor
// - rlyeh, public domain.
//
// @todo: merge editor1.c and editor2.c internals into this api
//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 float* editor_getf(const char *key);
API int* editor_geti(const char *key);
API char** editor_gets(const char *key);
API int editor_send(const char *cmd, const char *optional_value);
// open file dialog
API char* dialog_load();
API char* dialog_save();
// transform gizmos
API int gizmo(vec3 *pos, vec3 *rot, vec3 *sca);
API bool gizmo_active();
API bool gizmo_hover();
// localization kit (I18N, L10N)
API void kit_locale( const char *langcode_iso639_1 ); // set context language: enUS, ptBR, esES, ...
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_insert( const char *id, const char *translation ); // insert single translation
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_clear(); // delete all translations
API char* kit_translate( const char *id ); // perform a translation, given current locale
API char* kit_translate2( const char *id, const char *langcode_iso639_1 ); // perform a translation given explicit locale
API void kit_dump_state( FILE *fp );
#line 0
#line 1 "engine/split/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 const char** file_list(const char *path, const char *masks); // **.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 const 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 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 "engine/split/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 "\x10"
#define FONT_COLOR2 "\x11"
#define FONT_COLOR3 "\x12"
#define FONT_COLOR4 "\x13"
#define FONT_COLOR5 "\x14"
#define FONT_COLOR6 "\x15"
#define FONT_COLOR7 "\x16"
#define FONT_COLOR8 "\x17"
#define FONT_COLOR9 "\x18"
#define FONT_COLOR10 "\x19"
// font face tags
#define FONT_FACE1 "\x1a"
#define FONT_FACE2 "\x1b"
#define FONT_FACE3 "\x1c"
#define FONT_FACE4 "\x1d"
#define FONT_FACE5 "\x1e"
#define FONT_FACE6 "\x1f"
// font align tags
#define FONT_LEFT "\\<"
#define FONT_CENTER "\\|"
#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,
};
// 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_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_rect(const char *text);
// void font_clip(vec2 topleft, vec2 bottomright);
// void font_wrap(vec2 topleft, vec2 bottomright);
// 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);
#line 0
#line 1 "engine/split/v4k_id.h"
// -----------------------------------------------------------------------------
// factory of handle ids, based on code by randy gaul (PD/Zlib licensed)
// - rlyeh, public domain
//
// [src] http://www.randygaul.net/wp-content/uploads/2021/04/handle_table.cpp
// [ref] http://bitsquid.blogspot.com.es/2011/09/managing-decoupling-part-4-id-lookup.html
// [ref] http://glampert.com/2016/05-04/dissecting-idhashindex/
// [ref] https://github.com/nlguillemot/dof/blob/master/viewer/packed_freelist.h
// [ref] https://gist.github.com/pervognsen/ffd89e45b5750e9ce4c6c8589fc7f253
// convert between hard refs (pointers) and weak refs (ids)
uintptr_t id_make(void *ptr);
void * id_handle(uintptr_t id);
void id_dispose(uintptr_t id);
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
// you cannot change this one: the number of ID_DATA_BITS you can store in a handle depends on ID_COUNT_BITS
#define ID_DATA_BITS (64-ID_COUNT_BITS)
#line 0
#line 1 "engine/split/v4k_pack.h"
// ----------------------------------------------------------------------------
// 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 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,[,{"
API bool msgunpack(const char *fmt, ... ); // va arg pack "n,b,u,d/i,s,p,f/g,e,[,{"
// 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 "engine/split/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_anykey();
// 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_ESC,
KEY_TICK, KEY_1,KEY_2,KEY_3,KEY_4,KEY_5,KEY_6,KEY_7,KEY_8,KEY_9,KEY_0, KEY_BS,
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,
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,
};
#line 0
#line 1 "engine/split/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 "engine/split/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 "engine/split/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 "engine/split/v4k_obj.h"
// -----------------------------------------------------------------------------
// semantic versioning in a single byte (octal)
// - rlyeh, public domain.
//
// - single octal byte that represents semantic versioning (major.minor.patch).
// - allowed range [0000..0377] ( <-> [0..255] decimal )
// - comparison checks only major.minor tuple as per convention.
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) M_CAST(byte2, (uint8_t)(x), (uint8_t)(y) )
#define byte3(x,y,z) M_CAST(byte3, (uint8_t)(x), (uint8_t)(y), (uint8_t)(z) )
#define byte4(x,y,z,w) M_CAST(byte4, (uint8_t)(x), (uint8_t)(y), (uint8_t)(z), (uint8_t)(w) )
#define int2(x,y) M_CAST(int2, (int)(x), (int)(y) )
#define int3(x,y,z) M_CAST(int3, (int)(x), (int)(y), (int)(z) )
#define int4(x,y,z,w) M_CAST(int4, (int)(x), (int)(y), (int)(z), (int)(w) )
#define uint2(x,y) M_CAST(uint2, (unsigned)(x), (unsigned)(y) )
#define uint3(x,y,z) M_CAST(uint3, (unsigned)(x), (unsigned)(y), (unsigned)(z) )
#define uint4(x,y,z,w) M_CAST(uint4, (unsigned)(x), (unsigned)(y), (unsigned)(z), (unsigned)(w) )
#define float2(x,y) M_CAST(float2, (float)(x), (float)(y) )
#define float3(x,y,z) M_CAST(float3, (float)(x), (float)(y), (float)(z) )
#define float4(x,y,z,w) M_CAST(float4, (float)(x), (float)(y), (float)(z), (float)(w) )
#define double2(x,y) M_CAST(double2, (double)(x), (double)(y) )
#define double3(x,y,z) M_CAST(double3, (double)(x), (double)(y), (double)(z) )
#define double4(x,y,z,w) M_CAST(double4, (double)(x), (double)(y), (double)(z), (double)(w) )
#line 0
#line 1 "engine/split/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 "engine/split/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 ifdef_objapi
#define ifdef_objapi(T,...) __VA_ARGS__
#endif
typedef struct reflected_t {
unsigned id, objtype;
unsigned sz;
const char *name;
const char *info;
void *addr;
unsigned parent;
const char *type;
} reflected_t;
// inscribe api
#define ENUM(V, value_annotations) \
enum_inscribe(#V,intern(#V),V, value_annotations)
#define FUNCTION(F, function_annotations) \
function_inscribe(#F,intern(#F),(void*)F, function_annotations)
#define STRUCT(T, type, member, member_annotations) \
struct_inscribe(#T,intern(#T),sizeof(T),ifdef(objapi,OBJTYPE_##T,0),NULL), \
type_inscribe(#type,intern(#type),sizeof(((T){0}).member),member_annotations), \
member_inscribe(intern(#T), #member,intern(#member),(uintptr_t)&((T*)0)->member, member_annotations, #type )
// find api
API unsigned enum_find(const char *E);
API void * function_find(const char *F);
API reflected_t member_find(const char *T, const char *M); /// find specific member
API void * member_findptr(void *obj, const char *T, const char *M);
API array(reflected_t) members_find(const char *T);
// iterate members in a struct
#define each_member(T,R) \
(array(reflected_t)*found_ = map_find(members, intern(T)); found_; found_ = 0) \
for(int it_ = 0, end_ = array_count(*found_); it_ != end_; ++it_ ) \
for(reflected_t *R = (*found_)+it_; R; R = 0 )
// private api, still exposed
API void type_inscribe(const char *TY,unsigned TYid,unsigned TYsz,const char *infos);
API void enum_inscribe(const char *E,unsigned Eid,unsigned Eval,const char *infos);
API void struct_inscribe(const char *T,unsigned Tid,unsigned Tsz,unsigned OBJTYPEid, const char *infos);
API void member_inscribe(unsigned Tid, const char *M,unsigned Mid,unsigned Msz, const char *infos, const char *type);
API void function_inscribe(const char *F,unsigned Fid,void *func,const char *infos);
API void reflected_printf(reflected_t *r);
API void reflected_printf_all();
#line 0
#line 1 "engine/split/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
// -----------------------------------------------------------------------------
// 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 float alpha( unsigned rgba );
#define RGBX(rgb,x) ( ((rgb)&0xFFFFFF) | (((unsigned)(x))<<24) )
#define RGB3(r,g,b) ( (255<<24) | ((r)<<16) | ((g)<<8) | (b) )
#define RGB4(r,g,b,a) RGBX(RGB3(r,g,b),a)
#define BLACK RGBX(0x000000,255)
#define WHITE RGBX(0xFFF1E8,255)
#if 0
#define RED RGBX(0xFF004D,255)
#define GREEN RGBX(0x00B543,255)
#define BLUE RGBX(0x065AB5,255)
#define ORANGE RGBX(0xFF6C24,255)
#define CYAN RGBX(0x29ADFF,255)
#define PURPLE RGBX(0x7E2553,255)
#define YELLOW RGBX(0xFFEC27,255)
#define GRAY RGBX(0x725158,255)
#else
#define RED RGB3( 255,48,48 )
#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(0x065AB5,255)
#endif
// -----------------------------------------------------------------------------
// 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_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
TEXTURE_SRGB = 1 << 24,
TEXTURE_BGR = 1 << 25,
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, unit;
unsigned texel_type;
unsigned flags;
char* filename;
bool transparent;
unsigned fbo; // for texture recording
} 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);
// 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();
// -----------------------------------------------------------------------------
// pbr materials
typedef struct colormap_t {
vec4 color;
texture_t *texture;
} colormap_t;
API bool colormap( colormap_t *cm, const char *pbr_material_type, bool load_as_srgb );
typedef struct pbr_material_t {
char* name;
colormap_t diffuse;
colormap_t normals;
colormap_t specular;
colormap_t albedo;
colormap_t roughness;
colormap_t metallic;
colormap_t ao;
colormap_t ambient;
colormap_t emissive;
float specular_shininess;
} pbr_material_t;
API bool pbr_material(pbr_material_t *pbr, const char *material);
API void pbr_material_destroy(pbr_material_t *m);
// -----------------------------------------------------------------------------
// fullscreen quads
API void fullscreen_quad_rgb( texture_t texture_rgb, float gamma );
API void fullscreen_quad_rgb_flipped( texture_t texture, float gamma );
API void fullscreen_quad_ycbcr( texture_t texture_YCbCr[3], float gamma );
API void fullscreen_quad_ycbcr_flipped( texture_t texture_YCbCr[3], float gamma );
// -----------------------------------------------------------------------------
// sprites
// texture id, position(x,y,depth sort), tint color, rotation angle
API void sprite( texture_t texture, float position[3], float rotation /*0*/, uint32_t color /*~0u*/);
// texture id, rect(x,y,w,h) is [0..1] normalized, z-index, pos(xy,scale), rotation (degrees), color (rgba)
API void sprite_rect( texture_t t, vec4 rect, float zindex, vec3 pos, float tilt_deg, unsigned tint_rgba);
// 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], int is_additive, uint32_t rgba, int resolution_independant);
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 tileset_ui( 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 tiled_ui(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 spine_ui(spine_t *p);
// -----------------------------------------------------------------------------
// 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);
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);
// -----------------------------------------------------------------------------
// materials
enum MATERIAL_ENUMS {
MAX_CHANNELS_PER_MATERIAL = 8
};
typedef struct material_t {
char *name;
int count;
struct material_layer_t {
char texname[32];
handle texture;
float value;
vec4 color; // uint32_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;
float clickx, clicky;
uint64_t t;
texture_t tx;
vec2i dims;
int flags;
} 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); // @todo
// -----------------------------------------------------------------------------
// models
enum MODEL_FLAGS {
MODEL_NO_ANIMATIONS = 1,
MODEL_NO_MESHES = 2,
MODEL_NO_TEXTURES = 4,
MODEL_MATCAPS = 8,
MODEL_RIMLIGHT = 16
};
//@todo: make this data-driven
// enum SHADING_MODE {
// SHADING_NONE,
// SHADING_PHONG,
// SHADING_CARTOON,
// // SHADING_PBR,
// };
typedef struct model_t {
struct iqm_t *iqm; // private
unsigned num_textures;
handle *textures;
char **texture_names;
array(material_t) materials;
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 60 bytes (12*4+4*3) for a p3 u2 n3 t4 i4B w4B c4B vertex stream
void *verts;
int num_verts;
handle vao, ibo, vbo, vao_instanced;
unsigned flags;
unsigned billboard;
float *instanced_matrices;
unsigned num_instances;
} model_t;
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_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);
// -----------------------------------------------------------------------------
// skyboxes
typedef struct skybox_t {
handle program;
mesh_t geometry;
cubemap_t cubemap;
int flags;
// mie
int framebuffers[6];
int textures[6];
float *pixels;
} skybox_t;
API skybox_t skybox(const char *panorama_or_cubemap_folder, int flags);
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
// -----------------------------------------------------------------------------
// post-fxs
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);
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 "engine/split/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);
#line 0
#line 1 "engine/split/v4k_scene.h"
// -----------------------------------------------------------------------------
// scene framework
// - rlyeh, public domain
// camera
typedef struct camera_t {
mat44 view, proj;
vec3 position, updir, lookdir;
float yaw, pitch; // mirror of (x,y) lookdir in deg;
float speed, fov; // fov in deg(45)
float move_friction, move_damping;
float look_friction, look_damping;
vec2 last_look; vec3 last_move; // used for friction and damping
bool damping;
} 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_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;
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_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 "engine/split/v4k_script.h"
// -----------------------------------------------------------------------------
// script framework
// - rlyeh, public domain
API void script_init();
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();
#line 0
#line 1 "engine/split/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
// 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
// -----------------------------------------------------------------------------
// ## string interning (quarks)
// - rlyeh, public domain.
unsigned intern( const char *string );
const char *quark( unsigned key );
typedef struct quarks_db {
array(char) blob;
array(vec2i) entries;
} quarks_db;
unsigned quark_intern( quarks_db*, const char *string );
const char *quark_string( quarks_db*, unsigned key );
#line 0
#line 1 "engine/split/v4k_time.h"
// -----------------------------------------------------------------------------
// time framework utils
// - rlyeh, public domain.
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 or app hash)
// - 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));
}
*/
#line 0
#line 1 "engine/split/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 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(const char *optional_reason);
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);
#if !ENABLE_RETAIL
#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);
#else
#define PRINTF(...)
#define test(expr)
#endif
#if ENABLE_TESTS
#define AUTOTEST AUTORUN
#else
#define AUTOTEST static void concat(concat(concat(disabled_test_, __LINE__), _), __COUNTER__)()
#endif
// AUTOTEST { test(1<2); }
#line 0
#line 1 "engine/split/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_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, float *color3); //[0..255]
API int ui_color3f(const char *label, float *color3); //[0..1]
API int ui_color4(const char *label, float *color4); //[0..255]
API int ui_color4f(const char *label, float *color4); //[0..1]
API int ui_unsigned(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);
#line 0
#line 1 "engine/split/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 "engine/split/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_VSYNC = 0,
WINDOW_VSYNC_ADAPTIVE = 0x1000,
WINDOW_VSYNC_DISABLED = 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_icon(const char *file_icon);
API void window_color(unsigned color);
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 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_CROSS, // crosshair
CURSOR_HW_HAND, // hand, clickable
CURSOR_HW_HDRAG, // horizontal drag/resize
CURSOR_HW_VDRAG, // vertical drag/resize
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);
#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)*/ // && WITH_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
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