fwk.lua

--autogenerated luajit bindings. do not edit.
local ffi = require("ffi")
ffi.cdef([[
typedef struct FILE FILE;
typedef long int ptrdiff_t;
typedef long unsigned int size_t;
 int less_64(uint64_t a, uint64_t b);
 int less_int(int a, int b);
 int less_ptr(void *a, void *b);
 int less_str(char *a, char *b);
 int less_64_ptr(const void *a, const void *b);
 int less_int_ptr(const void *a, const void *b);
 uint32_t unhash_32(uint32_t x);
 uint32_t hash_32(uint32_t x);
 uint64_t hash_64(uint64_t x);
 uint64_t hash_flt(double x);
 uint64_t hash_int(int key);
 uint64_t hash_ptr(const void* ptr);
 uint64_t hash_bin(const void* ptr, unsigned len);
 uint64_t hash_str(const char* str);
 uint64_t popcnt64(uint64_t x);
 void* vrealloc( void* p, size_t sz );
 size_t vlen( void* p );
  unsigned array_c_;
  unsigned array_n_;
typedef struct set_item {
    struct set_item *next;
    uint64_t keyhash;
    void *key;
    void *super;
} set_item;
typedef struct set {
    set_item** array;
    int (*cmp)(void *, void *);
    uint64_t (*hash)(void *);
    int count;
} set;
 void (set_init)(set *m);
 void (set_free)(set *m);
 void (set_insert)(set *m, set_item *p, void *key, uint64_t keyhash, void *super);
 void (set_erase)(set *m, void *key, uint64_t keyhash);
 void* (set_find)(const set *m, void *key, uint64_t keyhash);
 int (set_isempty)(const set *m);
 int (set_count)(const set *m);
 void (set_gc)(set *m);
 void (set_clear)(set* m);
typedef struct pair {
    struct pair *next;
    uint64_t keyhash;
    void *key;
    void *value;
    void *super;
} pair;
typedef struct map {
    pair** array;
    int (*cmp)(void *, void *);
    uint64_t (*hash)(void *);
    int count:31;
    int is_sorted:1;
    pair** sorted;
} map;
 void (map_init)(map *m);
 void (map_free)(map *m);
 void (map_insert)(map *m, pair *p, void *key, void *value, uint64_t keyhash, void *super);
 void (map_erase)(map *m, void *key, uint64_t keyhash);
 void* (map_find)(map *m, void *key, uint64_t keyhash);
 int (map_isempty)(map *m);
 int (map_count)(map *m);
 void (map_gc)(map *m);
 bool (map_sort)(map* m);
 void (map_clear)(map* m);
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];
 void randset(uint64_t state);
 uint64_t rand64(void);
 double randf(void);
 int randi(int mini, int maxi);
 float simplex1( float x );
 float simplex2( vec2 xy );
 float simplex3( vec3 xyz );
 float simplex4( vec4 xyzw );
 float deg (float radians);
 float rad (float degrees);
 float cycle180 (float angle);
 float cycle360 (float angle);
 int mini (int a, int b);
 int maxi (int a, int b);
 int absi (int a );
 int clampi (int v,int a,int b);
 float minf (float a, float b);
 float maxf (float a, float b);
 float absf (float a );
 float pmodf (float a, float b);
 float signf (float a) ;
 float clampf (float v,float a,float b);
 float mixf (float a,float b,float t);
 float unmixf (float a,float b,float t);
 float mapf (float x,float a,float b,float c,float d);
 float slerpf (float a,float b,float t);
 float fractf (float a);
 vec2 ptr2 (const float *a );
 vec2 neg2 (vec2 a );
 vec2 add2 (vec2 a, vec2 b);
 vec2 sub2 (vec2 a, vec2 b);
 vec2 mul2 (vec2 a, vec2 b);
 vec2 div2 (vec2 a, vec2 b);
 vec2 inc2 (vec2 a, float b);
 vec2 dec2 (vec2 a, float b);
 vec2 scale2 (vec2 a, float b);
 vec2 pmod2 (vec2 a, float b);
 vec2 min2 (vec2 a, vec2 b);
 vec2 max2 (vec2 a, vec2 b);
 vec2 abs2 (vec2 a );
 vec2 floor2 (vec2 a );
 vec2 fract2 (vec2 a );
 vec2 ceil2 (vec2 a );
 float dot2 (vec2 a, vec2 b);
 vec2 refl2 (vec2 a, vec2 b);
 float cross2 (vec2 a, vec2 b);
 float len2sq (vec2 a );
 float len2 (vec2 a );
 vec2 norm2 (vec2 a );
 int finite2 (vec2 a );
 vec2 mix2 (vec2 a,vec2 b,float t);
 vec2 clamp2(vec2 v,vec2 a,vec2 b);
 vec2 clamp2f(vec2 v,float a,float b);
 vec3 rnd3 (void);
 vec3 ptr3 (const float *a );
 vec3 vec23 (vec2 a, float z );
 vec3 neg3 (vec3 a );
 vec3 add3 (vec3 a, vec3 b);
 vec3 sub3 (vec3 a, vec3 b);
 vec3 mul3 (vec3 a, vec3 b);
 vec3 div3 (vec3 a, vec3 b);
 vec3 inc3 (vec3 a, float b);
 vec3 dec3 (vec3 a, float b);
 vec3 scale3 (vec3 a, float b);
 vec3 pmod3 (vec3 a, float b);
 vec3 min3 (vec3 a, vec3 b);
 vec3 max3 (vec3 a, vec3 b);
 vec3 abs3 (vec3 a );
 vec3 floor3 (vec3 a );
 vec3 fract3 (vec3 a );
 vec3 ceil3 (vec3 a );
 vec3 cross3 (vec3 a, vec3 b);
 float dot3 (vec3 a, vec3 b);
 vec3 refl3 (vec3 a, vec3 b);
 float len3sq (vec3 a );
 float len3 (vec3 a );
 vec3 norm3 (vec3 a );
 vec3 norm3sq (vec3 a );
 int finite3 (vec3 a );
 vec3 mix3 (vec3 a,vec3 b,float t);
 vec3 clamp3(vec3 v,vec3 a,vec3 b);
 vec3 clamp3f(vec3 v,float a,float b);
 void ortho3 (vec3 *left, vec3 *up, vec3 v);
 vec3 rotatex3 (vec3 dir, float degrees);
 vec3 rotatey3 (vec3 dir, float degrees);
 vec3 rotatez3 (vec3 dir, float degrees);
 vec4 ptr4 (const float *a );
 vec4 vec34 (vec3 a, float w );
 vec4 neg4 (vec4 a );
 vec4 add4 (vec4 a, vec4 b);
 vec4 sub4 (vec4 a, vec4 b);
 vec4 mul4 (vec4 a, vec4 b);
 vec4 div4 (vec4 a, vec4 b);
 vec4 inc4 (vec4 a, float b);
 vec4 dec4 (vec4 a, float b);
 vec4 scale4 (vec4 a, float b);
 vec4 pmod4 (vec4 a, float b);
 vec4 min4 (vec4 a, vec4 b);
 vec4 max4 (vec4 a, vec4 b);
 vec4 abs4 (vec4 a );
 vec4 floor4 (vec4 a );
 vec4 fract4 (vec4 a );
 vec4 ceil4 (vec4 a );
 float dot4 (vec4 a, vec4 b);
 vec4 refl4 (vec4 a, vec4 b);
 float len4sq (vec4 a );
 float len4 (vec4 a );
 vec4 norm4 (vec4 a );
 vec4 norm4sq (vec4 a );
 int finite4 (vec4 a );
 vec4 mix4 (vec4 a,vec4 b,float t);
 vec4 clamp4(vec4 v,vec4 a,vec4 b);
 vec4 clamp4f(vec4 v,float a,float b);
 quat idq ( );
 quat ptrq (const float *a );
 quat vec3q (vec3 a, float w );
 quat vec4q (vec4 a );
 quat negq (quat a );
 quat conjq (quat a );
 quat addq (quat a, quat b);
 quat subq (quat a, quat b);
 quat mulq (quat p, quat q);
 quat scaleq (quat a, float s);
 quat normq (quat a );
 float dotq (quat a, quat b);
 quat mixq(quat a, quat b, float t);
 quat slerpq(quat a, quat b, float s);
 quat rotationq(float deg,float x,float y,float z);
 quat mat44q (mat44 M);
 vec3 rotate3q_2(vec3 v, quat q);
 vec3 rotate3q(vec3 v, quat r);
 vec3 euler (quat q);
 quat eulerq (vec3 pyr_degrees);
 void scaling33(mat33 m, float x, float y, float z);
 void scale33(mat33 m, float x, float y, float z);
 void id33(mat33 m);
 void extract33(mat33 m, const mat44 m4);
 void copy33(mat33 m, const mat33 a);
 vec3 mulv33(mat33 m, vec3 v);
 void multiply33x2(mat33 m, const mat33 a, const mat33 b);
 void rotation33(mat33 m, float degrees, float x,float y,float z);
 void rotationq33(mat33 m, quat q);
 void rotate33(mat33 r, float degrees, float x,float y,float z);
 void compose33(mat33 m, quat r, vec3 s);
 void id34(mat34 m);
 void copy34(mat34 m, const mat34 a);
 void scale34(mat34 m, float s);
 void add34(mat34 m, mat34 n);
 void muladd34(mat34 m, mat34 n, float s);
 void add34x2(mat34 m, mat34 n, mat34 o);
 void lerp34(mat34 m, mat34 n, mat34 o, float alpha);
 void multiply34x2(mat34 m, const mat34 m0, const mat34 m1);
 void multiply34(mat34 m, const mat34 a);
 void multiply34x3(mat34 m, const mat34 a, const mat34 b, const mat34 c);
 void compose34(mat34 m, vec3 t, quat q, vec3 s);
 void invert34(mat34 m, const mat34 o);
 void id44(mat44 m);
 void identity44(mat44 m);
 void copy44(mat44 m, const mat44 a);
 void multiply44x2(mat44 m, const mat44 a, const mat44 b);
 void multiply44x3(mat44 m, const mat44 a, const mat44 b, const mat44 c);
 void multiply44(mat44 m, const mat44 a);
 void ortho44(mat44 m, float l, float r, float b, float t, float n, float f);
 void frustum44(mat44 m, float l, float r, float b, float t, float n, float f);
 void perspective44(mat44 m, float fovy_degrees, float aspect, float nearp, float farp);
 void lookat44(mat44 m, vec3 eye, vec3 center, vec3 up);
 vec3 pos44(mat44 m);
 void translation44(mat44 m, float x, float y, float z);
 void translate44(mat44 m, float x, float y, float z);
 void relocate44(mat44 m, float x, float y, float z);
 void rotationq44(mat44 m, quat q);
 void rotation44(mat44 m, float degrees, float x, float y, float z);
 void rotate44(mat44 m, float degrees, float x, float y, float z);
 void scaling44(mat44 m, float x, float y, float z);
 void scale44(mat44 m, float x, float y, float z);
 void transpose44(mat44 m, const mat44 a);
 float det44(const mat44 M);
 bool invert44(mat44 T, const mat44 M);
 void compose44(mat44 m, vec3 t, quat q, vec3 s);
 vec3 transformq(const quat q, const vec3 v);
 vec3 transform33(const mat33 m, vec3 p);
 vec3 transform344(const mat44 m, const vec3 p);
 vec4 transform444(const mat44 m, const vec4 p);
 bool unproject44(vec3 *out, vec3 xyd, vec4 viewport, mat44 mvp);
 void print2i( vec2i v );
 void print3i( vec3i v );
 void print2( vec2 v );
 void print3( vec3 v );
 void print4( vec4 v );
 void printq( quat q );
 void print33( float *m );
 void print34( float *m );
 void print44( float *m );
 uint32_t hh_mem(const void *data, size_t size);
 uint32_t hh_str(const char* str);
 uint32_t hh_float(float f);
 uint32_t hh_int(int i);
 uint32_t hh_vec2(vec2 v);
 uint32_t hh_vec3(vec3 v);
 uint32_t hh_vec4(vec4 v);
 uint32_t hh_mat33(mat33 m);
 uint32_t hh_mat44(mat44 m);
 uintptr_t id_make(void *ptr);
 void * id_handle(uintptr_t id);
 void id_dispose(uintptr_t id);
 bool id_valid(uintptr_t id);
    typedef struct obj { struct { const char *objname; uintptr_t objheader; struct obj** objchildren; }; } obj;
    typedef struct entity { struct { struct { const char *objname; uintptr_t objheader; struct obj** objchildren; }; uintptr_t cflags; void *c[32]; }; } entity;
  obj *objtmp;
void* obj_malloc(unsigned sz);
void* obj_free(void *o);
 extern void (*obj_ctor[256])();
 extern void (*obj_dtor[256])();
 extern char* (*obj_save[256])();
 extern bool (*obj_load[256])();
 extern int (*obj_test[256])();
 extern int (*obj_init[256])();
 extern int (*obj_quit[256])();
 extern int (*obj_tick[256])();
 extern int (*obj_draw[256])();
 extern int (*obj_lerp[256])();
 extern int (*obj_aabb[256])();
 extern int (*obj_edit[256])();
 extern int (*obj_menu[256])();
 extern char* (*obj_icon[256])();
 extern const char*OBJTYPES[256];
 uintptr_t obj_header(const void *o);
 uintptr_t obj_id(const void *o);
 const char* obj_type(const void *o);
 unsigned obj_typeid(const void *o);
 int obj_sizeof(const void *o);
 int obj_size(const void *o);
 char* obj_data(void *o);
 const char* obj_datac(const void *o);
 void* obj_payload(const void *o);
 void* obj_zero(void *o);
 void* obj_ref(void *oo);
 void* obj_unref(void *oo);
 obj* obj_detach(void *c);
 obj* obj_attach(void *o, void *c);
 obj* obj_root(const void *o);
 obj* obj_parent(const void *o);
 obj***obj_children(const void *o);
 obj***obj_siblings(const void *o);
 int obj_dumptree(const void *o);
 void* obj_setmeta(void *o, const char *key, const char *value);
 const char* obj_meta(const void *o, const char *key);
 void* obj_setname(void *o, const char *name);
 const char* obj_name(const void *o);
 void* obj_swap(void *dst, void *src);
 void* obj_copy_fast(void *dst, const void *src);
 void* obj_copy(void *dst, const void *src);
 int obj_comp_fast(const void *a, const void *b);
 int obj_comp(const void *a, const void *b);
 int obj_lesser(const void *a, const void *b);
 int obj_greater(const void *a, const void *b);
 int obj_equal(const void *a, const void *b);
 uint64_t obj_hash(const void *o);
 bool obj_hexdump(const void *oo);
 int obj_print(const void *o);
 int obj_printf(const void *o, const char *text);
 int obj_console(const void *o);
 char* obj_saveini(const void *o);
 obj* obj_mergeini(void *o, const char *ini);
 obj* obj_loadini(void *o, const char *ini);
 char* obj_savejson(const void *o);
 obj* obj_mergejson(void *o, const char *json);
 obj* obj_loadjson(void *o, const char *json);
 char* obj_savebin(const void *o);
 obj* obj_mergebin(void *o, const char *sav);
 obj* obj_loadbin(void *o, const char *sav);
 char* obj_savempack(const void *o);
 obj* obj_mergempack(void *o, const char *sav);
 obj* obj_loadmpack(void *o, const char *sav);
 int obj_push(const void *o);
 int obj_pop(void *o);
 bool entity_addcomponent(entity *e, unsigned c, void *ptr);
 bool entity_hascomponent(entity *e, unsigned c);
 void* entity_getcomponent(entity *e, unsigned c);
 bool entity_delcomponent(entity *e, unsigned c);
 bool entity_usecomponent(entity *e, unsigned c);
 bool entity_offcomponent(entity *e, unsigned c);
 char* entity_save(entity *self);
 void* obj_clone(const void *src);
 void* obj_merge(void *dst, const void *src);
 void* obj_mutate(void *dst, const void *src);
 void* obj_make(const char *str);
typedef enum OBJTYPE_BUILTINS {
    OBJTYPE_obj = 0,
    OBJTYPE_entity = 1,
    OBJTYPE_vec2 = 2,
    OBJTYPE_vec3 = 3,
    OBJTYPE_vec4 = 4,
    OBJTYPE_quat = 5,
    OBJTYPE_mat33 = 6,
    OBJTYPE_mat34 = 7,
    OBJTYPE_mat44 = 8,
    OBJTYPE_vec2i = 9,
    OBJTYPE_vec3i = 10,
    OBJTYPE_sprite = 11,
    OBJTYPE_camera = 12,
    OBJTYPE_node = 13,
    OBJTYPE_scene = 14,
    OBJTYPE_light = 15,
} OBJTYPE_BUILTINS;
 int pathfind_astar(int width, int height, const unsigned* map, vec2i src, vec2i dst, vec2i* path, size_t maxpath);
typedef int (*bt_func)();
typedef struct bt_t {
    uint64_t type;
    int (*action)();
    union {
        int argi;
        float argf;
    };
    struct bt_t* children;
} bt_t;
 bt_t bt(const char *ini_file, unsigned flags);
 int bt_run(bt_t *b);
 void bt_addfun(const char *name, int(*func)());
 bt_func bt_findfun(const char *name);
 char *bt_funcname(bt_func fn);
 int ui_bt(bt_t *b);
typedef enum SWARM_DISTANCE {
    SWARM_DISTANCE_LINEAR,
    SWARM_DISTANCE_INVERSE_LINEAR,
    SWARM_DISTANCE_QUADRATIC,
    SWARM_DISTANCE_INVERSE_QUADRATIC
} SWARM_DISTANCE;
typedef struct boid_t {
    vec3 position;
    vec3 velocity;
    vec3 acceleration;
    vec3 prev_position;
} boid_t;
typedef struct swarm_t {
    boid_t* boids;
    float perception_radius;
    float separation_weight;
    SWARM_DISTANCE separation_type;
    float alignment_weight;
    float cohesion_weight;
    float steering_weight;
    vec3* steering_targets;
    SWARM_DISTANCE steering_target_type;
    float blindspot_angledeg;
    float max_acceleration;
    float max_velocity;
    struct { map base; struct { pair p; vec3* key; boid_t** val; } tmp, *ptr; boid_t*** tmpval; int (*typed_cmp)(vec3*, vec3*); uint64_t (*typed_hash)(vec3*); } * voxel_cache_;
    float blindspot_angledeg_compare_value_;
} swarm_t;
 swarm_t swarm();
 void swarm_update(swarm_t *self, float delta);
 void swarm_update_acceleration_only(swarm_t *self, float delta);
 void swarm_update_acceleration_and_velocity_only(swarm_t *self, float delta);
 int ui_swarm(swarm_t *self);
 void midi_send(unsigned midi_msg);
typedef struct audio_handle* audio_t;
 audio_t audio_clip( const char *pathfile );
 audio_t audio_stream( const char *pathfile );
 int audio_play( audio_t s, int flags );
 int audio_play_gain( audio_t a, int flags, float gain );
 int audio_play_gain_pitch( audio_t a, int flags, float gain, float pitch );
 int audio_play_gain_pitch_pan( audio_t a, int flags, float gain, float pitch, float pan );
 int audio_stop( audio_t a );
 void audio_loop( audio_t a, bool loop );
 bool audio_playing( audio_t a );
 float audio_volume_clip(float gain);
 float audio_volume_stream(float gain);
 float audio_volume_master(float gain);
 int audio_mute(int mute);
 int audio_muted();
 int ui_audio();
enum AUDIO_FLAGS {
    AUDIO_1CH = 0,
    AUDIO_2CH = 1,
    AUDIO_8 = 2,
    AUDIO_16 = 0,
    AUDIO_32 = 4,
    AUDIO_FLOAT = 8,
    AUDIO_8KHZ = 16,
    AUDIO_11KHZ = 32,
    AUDIO_22KHZ = 0,
    AUDIO_32KHZ = 64,
    AUDIO_44KHZ = 128,
    AUDIO_MIXER_GAIN = 0,
    AUDIO_IGNORE_MIXER_GAIN = 256,
    AUDIO_MULTIPLE_INSTANCES = 0,
    AUDIO_SINGLE_INSTANCE = 512,
};
 int audio_queue( const void *samples, int num_samples, int flags );
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;
typedef struct hit {
    union {
        float depth;
        struct { float t0, t1; };
        struct { int hits; vec3 p0, p1; float distance2; int iterations; };
    };
    union { vec3 p; vec3 contact_point; };
    union { vec3 n; vec3 normal; };
} hit;
 float line_distance2_point(line l, vec3 p);
 vec3 line_closest_point(line l, vec3 p);
 float ray_test_plane(ray r, vec4 p4);
 float ray_test_triangle(ray r, triangle t);
 int ray_test_sphere(float *t0, float *t1, ray r, sphere s);
 int ray_test_aabb(float *t0, float *t1, ray r, aabb a);
 hit* ray_hit_plane(ray r, plane p);
 hit* ray_hit_triangle(ray r, triangle t);
 hit* ray_hit_sphere(ray r, sphere s);
 hit* ray_hit_aabb(ray r, aabb a);
 vec3 sphere_closest_point(sphere s, vec3 p);
 hit* sphere_hit_aabb(sphere s, aabb a);
 hit* sphere_hit_capsule(sphere s, capsule c);
 hit* sphere_hit_sphere(sphere a, sphere b);
 int sphere_test_aabb(sphere s, aabb a);
 int sphere_test_capsule(sphere s, capsule c);
 int sphere_test_sphere(sphere a, sphere b);
 vec3 aabb_closest_point(aabb a, vec3 p);
 float aabb_distance2_point(aabb a, vec3 p);
 int aabb_contains_point(aabb a, vec3 p);
 hit* aabb_hit_aabb(aabb a, aabb b);
 hit* aabb_hit_capsule(aabb a, capsule c);
 hit* aabb_hit_sphere(aabb a, sphere s);
 int aabb_test_aabb(aabb a, aabb b);
 int aabb_test_capsule(aabb a, capsule c);
 int aabb_test_sphere(aabb a, sphere s);
 float capsule_distance2_point(capsule c, vec3 p);
 vec3 capsule_closest_point(capsule c, vec3 p);
 hit* capsule_hit_aabb(capsule c, aabb a);
 hit* capsule_hit_capsule(capsule a, capsule b);
 hit* capsule_hit_sphere(capsule c, sphere s);
 int capsule_test_aabb(capsule c, aabb a);
 int capsule_test_capsule(capsule a, capsule b);
 int capsule_test_sphere(capsule c, sphere s);
 vec4 plane4(vec3 p, vec3 n);
 frustum frustum_build(mat44 projview);
 int frustum_test_sphere(frustum f, sphere s);
 int frustum_test_aabb(frustum f, aabb a);
 poly poly_alloc(int cnt);
 void poly_free(poly *p);
 poly pyramid(vec3 from, vec3 to, float size);
 poly diamond(vec3 from, vec3 to, float size);
 void collide_demo();
enum COOK_FLAGS {
    COOK_SYNC = 0,
    COOK_ASYNC = 1,
    COOK_CANCELABLE = 2,
    COOK_DEBUGLOG = 4,
};
 void cook_config( const char *path_to_cook_ini );
 bool cook_start( const char *path_to_cook_ini, const char *masks, int flags );
 void cook_stop();
 void cook_cancel();
 int cook_jobs();
 int cook_progress();
 bool have_tools();
typedef union json_t { char* s; double f; int64_t i; uintptr_t p; union json_t* arr; } json_t;
 bool json_push(const char *json_content);
 const char* json_key(const char *keypath);
 json_t* json_find(const char *type_keypath);
 json_t json_get(const char *type_keypath);
 int json_count(const char *keypath);
 bool json_pop();
 int xml_push(const char *xml_content);
 const char * xml_string(char *key);
 unsigned xml_count(char *key);
 char* xml_blob(char *key);
 void xml_pop();
 bool data_tests();
 void* dll(const char *filename, const char *symbol);
enum {
    SCRIPT_LUA = 1,
    SCRIPT_DEBUGGER = 2,
};
 void script_init();
 void *script_init_env(unsigned flags);
 bool script_push(void *env);
 void script_run(const char *script);
 void script_runfile(const char *pathfile);
 void script_bind_class(const char *objname, int num_methods, const char **c_names, void **c_functions);
 void script_bind_function(const char *c_name, void *c_function);
 void script_call(const char *lua_function);
 bool script_tests();
 bool script_pop();
 char** file_list( const char *pathmasks );
 bool file_write( const char *file, const void *ptr, int len );
 bool file_append( const char *file, const void *ptr, int len );
 char * file_read(const char *filename);
 char * file_load(const char *filename, int *len);
 uint64_t file_size(const char *pathfile);
 bool file_directory(const char *pathfile);
 char * file_pathabs(const char *pathfile);
 char * file_path(const char *pathfile);
 char * file_name(const char *pathfile);
 char * file_base(const char *pathfile);
 char * file_ext(const char *pathfile);
 char * file_id(const char *pathfile);
 char * file_normalize(const char *pathfile);
 char * file_counter(const char *pathfile);
 uint64_t file_stamp(const char *pathfile);
 uint64_t file_stamp10(const char *pathfile);
 bool file_exist(const char *pathfile);
 bool file_delete(const char *pathfile);
 bool file_copy(const char *src, const char *dst);
 bool file_move(const char *src, const char *dst);
 FILE* file_temp();
 char* file_tempname();
 void* file_md5(const char *file);
 void* file_sha1(const char *file);
 void* file_crc32(const char *file);
 char** file_zip_list(const char *zipfile);
 char* file_zip_extract(const char *zipfile, const char *filename);
 bool file_zip_append(const char *zipfile, const char *filename, int clevel);
 bool file_zip_appendmem(const char *zipfile, const char *entryname, const void *ptr, unsigned len, int clevel);
 void storage_mount(const char* folder);
 void storage_read();
 void storage_flush();
 bool vfs_mount(const char *mount_point);
 char** vfs_list(const char *masks);
 char * vfs_read(const char *pathfile);
 char * vfs_load(const char *pathfile, int *size);
 int vfs_size(const char *pathfile);
 void vfs_reload();
 const char * vfs_resolve(const char *fuzzyname);
 FILE* vfs_handle(const char *pathfile);
 void * cache_insert(const char *key, void *value, int size);
 void * cache_lookup(const char *key, int *size);
typedef struct { map base; struct { pair p; char* key; char* val; } tmp, *ptr; char** tmpval; int (*typed_cmp)(char*, char*); uint64_t (*typed_hash)(char*); } * ini_t;
 ini_t ini(const char *filename);
 ini_t ini_from_mem(const char *data);
 void ini_destroy(ini_t);
 bool ini_write(const char *filename, const char *section, const char *key, const char *value);
enum FONT_FLAGS {
    FONT_512 = 0x0,
    FONT_1024 = 0x1,
    FONT_2048 = 0x2,
    FONT_4096 = 0x4,
    FONT_NO_OVERSAMPLE = 0x0,
    FONT_OVERSAMPLE_X = 0x08,
    FONT_OVERSAMPLE_Y = 0x10,
    FONT_ASCII = 0x800,
    FONT_AR = 0x001000,
    FONT_ZH = 0x002000,
    FONT_EL = 0x004000,
    FONT_EM = 0x008000,
    FONT_EU = 0x010000,
    FONT_HE = 0x020000,
    FONT_JP = 0x040000,
    FONT_KR = 0x080000,
    FONT_RU = 0x100000,
    FONT_TH = 0x200000,
    FONT_VI = 0x400000,
    FONT_CJK = FONT_ZH|FONT_JP|FONT_KR,
};
typedef struct font_metrics_t {
    float ascent;
    float descent;
    float linegap;
    float linedist;
} font_metrics_t;
 void font_face(const char *face_tag, const char *filename_ttf, float font_size, unsigned flags);
 void font_face_from_mem(const char *tag, const void *ttf_buffer, unsigned ttf_len, float font_size, unsigned flags);
 void font_scale(const char *face_tag, int scale_index, float value);
 void font_scales(const char *face_tag, float h1, float h2, float h3, float h4, float h5, float h6);
 void font_color(const char *color_tag, uint32_t color);
 vec2 font_xy();
 void font_goto(float x, float y);
 vec2 font_print(const char *text);
 vec2 font_clip(const char *text, vec4 rect);
 const char* font_wrap(const char *text, float max_width);
 vec2 font_rect(const char *text);
 font_metrics_t font_metrics(const char *text);
 void* font_colorize(const char *text, const char *comma_types, const char *comma_keywords);
 vec2 font_highlight(const char *text, const void *colors);
 void ui_font();
 int input_use( int controller_id );
 float input( int vk );
 vec2 input2( int vk );
 float input_diff( int vk );
 vec2 input_diff2( int vk );
 const char* input_string( int vk );
 float input_frame( int vk, int Nth_frame );
 vec2 input_frame2( int vk, int Nth_frame );
 int input_up( int vk );
 int input_down( int vk );
 int input_held( int vk );
 int input_idle( int vk );
 int input_click( int vk, int ms );
 int input_click2( int vk, int ms );
 int input_repeat( int vk, int ms );
 int input_chord2( int vk1, int vk2 );
 int input_chord3( int vk1, int vk2, int vk3 );
 int input_chord4( int vk1, int vk2, int vk3, int vk4 );
 float input_filter_positive( float v );
 vec2 input_filter_positive2( vec2 v );
 vec2 input_filter_deadzone( vec2 v, float deadzone_treshold );
 vec2 input_filter_deadzone_4way( vec2 v, float deadzone_treshold );
enum TOUCH_BUTTONS {
    TOUCH_0,
    TOUCH_1,
};
 void input_touch_area(unsigned button, vec2 begin_coord_ndc, vec2 end_coord_ndc);
 vec2 input_touch(unsigned button, float sensitivity);
 vec2 input_touch_delta(unsigned button, float sensitivity);
 vec2 input_touch_delta_from_origin(unsigned button, float sensitivity);
 bool input_touch_active();
 void input_mappings(const char *filename);
 char input_keychar(unsigned code);
 int input_enum(const char *sym);
 int input_anykey();
 int input_eval(const char *expression);
 void input_send( int vk );
 char* save_input();
 bool load_input(char* replay);
 int ui_keyboard();
 int ui_mouse();
 int ui_gamepad(int id);
 int ui_gamepads();
enum INPUT_ENUMS {
    KEY_0,KEY_1,KEY_2,KEY_3,KEY_4,KEY_5,KEY_6,KEY_7,KEY_8,KEY_9, KEY_TICK,KEY_BS, KEY_ESC,
    KEY_TAB, KEY_Q,KEY_W,KEY_E,KEY_R,KEY_T,KEY_Y,KEY_U,KEY_I,KEY_O,KEY_P,
    KEY_CAPS, KEY_A,KEY_S,KEY_D,KEY_F,KEY_G,KEY_H,KEY_J,KEY_K,KEY_L, KEY_ENTER,
    KEY_LSHIFT, KEY_Z,KEY_X,KEY_C,KEY_V,KEY_B,KEY_N,KEY_M, KEY_RSHIFT, KEY_UP,
    KEY_LCTRL,KEY_LALT, KEY_SPACE, KEY_RALT,KEY_RCTRL, KEY_LEFT,KEY_DOWN,KEY_RIGHT,
    KEY_INS,KEY_HOME,KEY_PGUP,KEY_DEL,KEY_END,KEY_PGDN,
    KEY_LMETA,KEY_RMETA,KEY_MENU,KEY_PRINT,KEY_PAUSE,KEY_SCROLL,KEY_NUMLOCK,
    KEY_MINUS,KEY_EQUAL,KEY_LSQUARE,KEY_RSQUARE,KEY_SEMICOLON,KEY_QUOTE,KEY_HASH,KEY_BAR,KEY_COMMA,KEY_DOT,KEY_SLASH,
    KEY_F1,KEY_F2,KEY_F3,KEY_F4,KEY_F5,KEY_F6,KEY_F7,KEY_F8,KEY_F9,KEY_F10,KEY_F11,KEY_F12,
    KEY_PAD1,KEY_PAD2,KEY_PAD3,KEY_PAD4,KEY_PAD5,KEY_PAD6,KEY_PAD7,KEY_PAD8,KEY_PAD9,KEY_PAD0,
    KEY_PADADD,KEY_PADSUB,KEY_PADMUL,KEY_PADDIV,KEY_PADDOT,KEY_PADENTER,
    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,
    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,
    GAMEPAD_GUID, GAMEPAD_NAME,
};
enum INPUT_ALIASES {
    KEY_SHIFT = KEY_LSHIFT,
    KEY_ALT = KEY_LALT,
    KEY_CTRL = KEY_LCTRL,
};
 void* xrealloc(void* p, size_t sz);
 size_t xsize(void* p);
 char* xstats(void);
 void* stack(int bytes);
 void* watch( void *ptr, int sz );
 void* forget( void *ptr );
 inline void *(REALLOC_)(void *p, size_t n) { return n ? (xrealloc(p,n)) : xrealloc((p),0); }
 inline void *(CALLOC_)(size_t m, size_t n) { return n *= m, memset(REALLOC_((0),(n)),0,n); }
 inline char *(STRDUP_)(const char *s) { size_t n = strlen(s)+1; return ((char*)memcpy(REALLOC_((0),(n)), s, n)); }
 char* download( const char *url );
 int download_file( FILE *out, const char *url );
 int portname( const char *service_name, unsigned retries );
 bool network_tests();
 int udp_bind(const char *address, const char *port);
 int udp_open(const char *address, const char *port);
 int udp_send(int, const void *buf, int len );
 int udp_sendto(int, const char *ip, const char *port, const void *buf, int len );
 int udp_recv(int, void *buf, int len );
 int udp_peek(int);
 int tcp_open(const char *address, const char *port);
 int tcp_bind(const char *interface_, const char *port, int queue);
 int tcp_peek(int, int(*callback)(int));
 int tcp_send(int, const void* buf, int len);
 int tcp_recv(int, void* buf, int len);
 char* tcp_host(int);
 char* tcp_port(int);
 int tcp_close(int);
 int tcp_debug(int);
enum { NETWORK_BIND = 2, NETWORK_CONNECT = 4, NETWORK_NOFAIL = 8 };
 void network_create(unsigned max_clients, const char *ip, const char *port, unsigned flags);
enum { NETWORK_SEND = 2, NETWORK_RECV = 4 };
enum { NETWORK_UNRELIABLE = 8, NETWORK_UNORDERED = 16 };
 void* network_buffer(void *ptr, unsigned sz, uint64_t flags, int64_t rank);
 char** network_sync(unsigned timeout_ms);
enum {
    NETWORK_EVENT_CONNECT,
    NETWORK_EVENT_DISCONNECT,
    NETWORK_EVENT_RECEIVE,
    NETWORK_EVENT_DISCONNECT_TIMEOUT,
    NETWORK_EVENT_RPC = 10,
    NETWORK_EVENT_RPC_RESP,
};
 int network_event(const char *msg, int *errcode, char **errstr);
enum { NETWORK_RANK = 0 };
enum { NETWORK_PING = 1 };
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_COUNT , NETWORK_CAPACITY };
 int64_t network_get(uint64_t key);
 int64_t network_put(uint64_t key, int64_t value);
 void network_rpc(const char *signature, void *function);
 void network_rpc_send_to(int64_t rank, unsigned id, const char *cmdline);
 void network_rpc_send(unsigned id, const char *cmdline);
 bool server_bind(int max_clients, int port);
 char** server_poll(unsigned timeout_ms);
 char** client_poll(unsigned timeout_ms);
 void server_broadcast_bin_flags(const void *ptr, int len, uint64_t flags);
 void server_broadcast_bin(const void *ptr, int len);
 void server_broadcast_flags(const char *msg, uint64_t flags);
 void server_broadcast(const char *msg);
 void server_terminate();
 void server_send(int64_t handle, const char *msg);
 void server_send_bin(int64_t handle, const void *ptr, int len);
 void server_drop(int64_t handle);
 int64_t client_join(const char *ip, int port);
 void client_send_flags(const char *msg, uint64_t flags);
 void client_send(const char *msg);
 void client_send_bin_flags(const void *ptr, int len, uint64_t flags);
 void client_send_bin(const void *ptr, int len);
 void client_terminate();
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),
};
 unsigned zbounds(unsigned inlen, unsigned flags);
 unsigned zencode(void *out, unsigned outlen, const void *in, unsigned inlen, unsigned flags);
 unsigned zexcess(unsigned flags);
 unsigned zdecode(void *out, unsigned outlen, const void *in, unsigned inlen, unsigned flags);
 void *interleave( void *out, const void *list, int list_count, int sizeof_item, unsigned columns );
 unsigned cobs_bounds(unsigned len);
 unsigned cobs_encode(const void *in, unsigned inlen, void *out, unsigned outlen);
 unsigned cobs_decode(const void *in, unsigned inlen, void *out, unsigned outlen);
 unsigned base92_encode(const void *in, unsigned inlen, void* out, unsigned outlen);
 unsigned base92_decode(const void *in, unsigned inlen, void* out, unsigned outlen);
 unsigned base92_bounds(unsigned inlen);
 unsigned netstring_bounds(unsigned inlen);
 unsigned netstring_encode(const char *in, unsigned inlen, char *out, unsigned outlen);
 unsigned netstring_decode(const char *in, unsigned inlen, char *out, unsigned outlen);
 void delta8_encode(void *buffer, unsigned count);
 void delta8_decode(void *buffer, unsigned count);
 void delta16_encode(void *buffer, unsigned count);
 void delta16_decode(void *buffer, unsigned count);
 void delta32_encode(void *buffer, unsigned count);
 void delta32_decode(void *buffer, unsigned count);
 void delta64_encode(void *buffer, unsigned count);
 void delta64_decode(void *buffer, unsigned count);
 uint64_t zig64( int64_t value );
 int64_t zag64( uint64_t value );
 uint32_t enczig32u( int32_t n);
 uint64_t enczig64u( int64_t n);
 int32_t deczig32i(uint32_t n);
 int64_t deczig64i(uint64_t n);
 void *arc4( void *buffer, unsigned buflen, const void *pass, unsigned passlen );
 uint64_t crc64(uint64_t h, const void *ptr, uint64_t len);
 void entropy( void *buf, unsigned n );
 int semver( int major, int minor, int patch );
 int semvercmp( int v1, int v2 );
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;
 char *cc4str(unsigned cc);
 char *cc8str(uint64_t cc);
enum {
    cc__1 = '1', cc__2, cc__3, cc__4, cc__5, cc__6,cc__7, cc__8, cc__9, cc__0, cc___, cc__ = ' ',
    cc__A = 'A', cc__B, cc__C, cc__D, cc__E, cc__F,cc__G, cc__H, cc__I, cc__J, cc__K,cc__L, cc__M, cc__N, cc__O, cc__P,cc__Q, cc__R, cc__S, cc__T, cc__U,cc__V, cc__W, cc__X, cc__Y, cc__Z,
    cc__a = 'a', cc__b, cc__c, cc__d, cc__e, cc__f,cc__g, cc__h, cc__i, cc__j, cc__k,cc__l, cc__m, cc__n, cc__o, cc__p,cc__q, cc__r, cc__s, cc__t, cc__u,cc__v, cc__w, cc__x, cc__y, cc__z,
};
 char* ftoa1(float v);
 char* ftoa2(vec2 v);
 char* ftoa3(vec3 v);
 char* ftoa4(vec4 v);
 float atof1(const char *s);
 vec2 atof2(const char *s);
 vec3 atof3(const char *s);
 vec4 atof4(const char *s);
 char* itoa1(int v);
 char* itoa2(vec2i v);
 char* itoa3(vec3i v);
 int atoi1(const char *s);
 vec2i atoi2(const char *s);
 vec3i atoi3(const char *s);
 int is_big();
 int is_little();
 uint16_t swap16( uint16_t x );
 uint32_t swap32( uint32_t x );
 uint64_t swap64( uint64_t x );
 float swap32f(float n);
 double swap64f(double n);
 void swapf(float *a, float *b);
 void swapf2(vec2 *a, vec2 *b);
 void swapf3(vec3 *a, vec3 *b);
 void swapf4(vec4 *a, vec4 *b);
 uint16_t lil16(uint16_t n);
 uint32_t lil32(uint32_t n);
 uint64_t lil64(uint64_t n);
 float lil32f(float n);
 double lil64f(double n);
 uint16_t big16(uint16_t n);
 uint32_t big32(uint32_t n);
 uint64_t big64(uint64_t n);
 float big32f(float n);
 double big64f(double n);
 uint16_t* lil16p(void *p, int sz);
 uint32_t* lil32p(void *p, int sz);
 uint64_t* lil64p(void *p, int sz);
 float * lil32pf(void *p, int sz);
 double * lil64pf(void *p, int sz);
 uint16_t* big16p(void *p, int sz);
 uint32_t* big32p(void *p, int sz);
 uint64_t* big64p(void *p, int sz);
 float * big32pf(void *p, int sz);
 double * big64pf(void *p, int sz);
typedef uint16_t half;
 float half_to_float(half value);
 half float_to_half(float value);
 void pack16i(uint8_t *buf, uint16_t i, int swap);
 void pack32i(uint8_t *buf, uint32_t i, int swap);
 void pack64i(uint8_t *buf, uint64_t i, int swap);
 int16_t unpack16i(const uint8_t *buf, int swap);
 int32_t unpack32i(const uint8_t *buf, int swap);
 int64_t unpack64i(const uint8_t *buf, int swap);
 uint64_t pack754(long double f, unsigned bits, unsigned expbits);
 long double unpack754(uint64_t i, unsigned bits, unsigned expbits);
 uint64_t pack64uv( uint8_t *buffer, uint64_t value );
 uint64_t unpack64uv( const uint8_t *buffer, uint64_t *value );
 uint64_t pack64iv( uint8_t *buffer, int64_t value_ );
 uint64_t unpack64iv( const uint8_t *buffer, int64_t *value );
 int msgpack(const char *fmt, ... );
 int msgunpack(const char *fmt, ... );
 int msgpack_new(uint8_t *w, size_t l);
 int msgpack_nil();
 int msgpack_chr(bool n);
 int msgpack_uns(uint64_t n);
 int msgpack_int(int64_t n);
 int msgpack_str(const char *s);
 int msgpack_bin(const char *s, size_t n);
 int msgpack_flt(double g);
 int msgpack_ext(uint8_t key, void *val, size_t n);
 int msgpack_arr(uint32_t n);
 int msgpack_map(uint32_t n);
 int msgpack_eof();
 int msgpack_err();
 bool msgunpack_new( const void *opaque_or_FILE, size_t bytes );
 bool msgunpack_nil();
 bool msgunpack_chr(bool *chr);
 bool msgunpack_uns(uint64_t *uns);
 bool msgunpack_int(int64_t *sig);
 bool msgunpack_str(char **str);
 bool msgunpack_bin(void **bin, uint64_t *len);
 bool msgunpack_flt(float *flt);
 bool msgunpack_dbl(double *dbl);
 bool msgunpack_ext(uint8_t *key, void **val, uint64_t *len);
 bool msgunpack_arr(uint64_t *len);
 bool msgunpack_map(uint64_t *len);
 bool msgunpack_eof();
 bool msgunpack_err();
 int savef(FILE *file, const char *format, ...);
 int saveb(unsigned char *buf, const char *format, ...);
 int loadf(FILE *file, const char *format, ...);
 int loadb(const unsigned char *buf, const char *format, ...);
 int profiler_enable(bool on);
struct profile_t { double stat; int32_t cost, avg; };
typedef struct { map base; struct { pair p; char * key; struct profile_t val; } tmp, *ptr; struct profile_t* tmpval; int (*typed_cmp)(char *, char *); uint64_t (*typed_hash)(char *); } * profiler_t;
extern  profiler_t profiler;
extern  int profiler_enabled;
typedef struct reflect_t {
    unsigned id, objtype;
    union {
    unsigned sz;
    unsigned member_offset;
    unsigned enum_value;
    };
    const char *name;
    const char *info;
    void *addr;
    unsigned parent;
    const char *type;
    unsigned bytes;
} reflect_t;
 unsigned enum_find(const char *E);
 void * function_find(const char *F);
 reflect_t member_find(const char *T, const char *M);
 void * member_findptr(void *obj, const char *T, const char *M);
 reflect_t** members_find(const char *T);
 void type_inscribe(const char *TY,unsigned TYsz,const char *infos);
 void enum_inscribe(const char *E,unsigned Eval,const char *infos);
 void struct_inscribe(const char *T,unsigned Tsz,unsigned OBJTYPEid, const char *infos);
 void member_inscribe(const char *T, const char *M,unsigned Msz, const char *infos, const char *type, unsigned bytes);
 void function_inscribe(const char *F,void *func,const char *infos);
 const char* symbol_naked(const char *s);
 int ui_reflect(const char *mask);
typedef unsigned handle;
typedef struct renderstate_t {
    float clear_color[4];
    bool color_mask[4];
    double clear_depth;
    bool depth_test_enabled;
    bool depth_write_enabled;
    unsigned depth_func;
    bool reverse_z;
    bool polygon_offset_enabled;
    float polygon_offset;
    float polygon_offset_factor;
    bool blend_enabled;
    unsigned blend_func;
    unsigned blend_src;
    unsigned blend_dst;
    unsigned blend_src_alpha;
    unsigned blend_dst_alpha;
    bool cull_face_enabled;
    unsigned cull_face_mode;
    bool stencil_test_enabled;
    unsigned stencil_func;
    unsigned stencil_op_fail, stencil_op_zfail, stencil_op_zpass;
    int stencil_ref;
    unsigned stencil_read_mask;
    unsigned stencil_write_mask;
    unsigned front_face;
    bool line_smooth_enabled;
    float line_width;
    bool point_size_enabled;
    float point_size;
    unsigned polygon_mode_face;
    unsigned polygon_mode_draw;
    bool scissor_test_enabled;
    bool seamless_cubemap;
    bool depth_clamp_enabled;
} renderstate_t;
 renderstate_t renderstate();
 bool renderstate_compare(const renderstate_t *stateA, const renderstate_t *stateB);
 uint32_t renderstate_checksum(const renderstate_t *state);
 void renderstate_apply(const renderstate_t *state);
 unsigned rgba( uint8_t r, uint8_t g, uint8_t b, uint8_t a );
 unsigned bgra( uint8_t b, uint8_t g, uint8_t r, uint8_t a );
 unsigned rgbaf( float r, float g, float b, float a );
 unsigned bgraf( float b, float g, float r, float a );
 unsigned alpha( unsigned rgba );
 unsigned atorgba(const char *s);
 char * rgbatoa(unsigned rgba);
enum IMAGE_FLAGS {
    IMAGE_R = 0x01000,
    IMAGE_RG = 0x02000,
    IMAGE_RGB = 0x04000,
    IMAGE_RGBA = 0x08000,
    IMAGE_FLIP = 0x10000,
    IMAGE_FLOAT = 0x20000,
};
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;
 image_t image(const char *pathfile, int flags);
 image_t image_from_mem(const void *ptr, int len, int flags);
 void image_destroy(image_t *img);
enum TEXTURE_FLAGS {
    TEXTURE_BC1 = 8,
    TEXTURE_BC2 = 16,
    TEXTURE_BC3 = 32,
    TEXTURE_NEAREST = 0,
    TEXTURE_LINEAR = 64,
    TEXTURE_MIPMAPS = 128,
    TEXTURE_ANISOTROPY = 1 << 30,
    TEXTURE_CLAMP = 0,
    TEXTURE_BORDER = 0x100,
    TEXTURE_REPEAT = 0x200,
    TEXTURE_BYTE = 0,
    TEXTURE_FLOAT = IMAGE_FLOAT,
    TEXTURE_COLOR = 0,
    TEXTURE_DEPTH = 0x800,
    TEXTURE_R = IMAGE_R,
    TEXTURE_RG = IMAGE_RG,
    TEXTURE_RGB = IMAGE_RGB,
    TEXTURE_RGBA = IMAGE_RGBA,
    TEXTURE_FLIP = IMAGE_FLIP,
    TEXTURE_UNIQUE = 1 << 31,
    TEXTURE_SRGB = 1 << 24,
    TEXTURE_BGR = 1 << 25,
    TEXTURE_BGRA = TEXTURE_BGR,
    TEXTURE_ARRAY = 1 << 26,
};
typedef struct texture_t {
    union { unsigned x, w; };
    union { unsigned y, h; };
    union { unsigned z, d; };
    union { unsigned n, bpp; };
    handle id;
    unsigned texel_type;
    unsigned flags;
    char* filename;
    bool transparent;
    bool mipmaps_generated;
    unsigned fbo;
    union { unsigned userdata, delay; };
} texture_t;
 texture_t texture_compressed(const char *filename, unsigned flags);
 texture_t texture_compressed_from_mem(const void *data, int len, unsigned flags);
 texture_t texture(const char* filename, int flags);
 texture_t texture_from_mem(const void* ptr, int len, int flags);
 texture_t texture_create(unsigned w, unsigned h, unsigned n, const void *pixels, int flags);
 texture_t texture_checker();
 void texture_destroy(texture_t *t);
 unsigned texture_update(texture_t *t, unsigned w, unsigned h, unsigned n, const void *pixels, int flags);
 void texture_params(texture_t *t, unsigned flags);
 bool texture_rec_begin(texture_t *t, unsigned w, unsigned h);
 void texture_rec_end(texture_t *t);
 texture_t brdf_lut();
typedef struct colormap_t {
    vec4 color;
    texture_t *texture;
    bool no_mipmaps;
} colormap_t;
 bool colormap( colormap_t *cm, const char *texture_name, bool load_as_srgb );
 unsigned query_test_point(mat44 proj, mat44 view, vec3 pos, float size);
 void fullscreen_quad_rgb_gamma( texture_t texture_rgb, float gamma );
 void fullscreen_quad_rgb_flipped_gamma( texture_t texture_rgb, float gamma );
 void fullscreen_quad_rgb( texture_t texture_rgb );
 void fullscreen_quad_rgb_flipped( texture_t texture );
 void fullscreen_quad_ycbcr( texture_t texture_YCbCr[3] );
 void fullscreen_quad_ycbcr_flipped( texture_t texture_YCbCr[3] );
 void quad_render_id( int texture_type, int texture_id, vec2 dims, vec2 tex_start, vec2 tex_end, int rgba, vec2 start, vec2 end );
 void quad_render( texture_t texture, vec2 tex_start, vec2 tex_end, int rgba, vec2 start, vec2 end );
typedef struct cubemap_t {
    unsigned id;
    vec3 sh[9];
    int framebuffers[6];
    int textures[6];
    int depth_buffers[6];
    unsigned width, height;
    float *pixels;
    int step;
    vec3 pos;
} cubemap_t;
 cubemap_t cubemap( texture_t texture, int flags );
 void cubemap_destroy(cubemap_t *c);
 cubemap_t* cubemap_get_active();
 void cubemap_beginbake(cubemap_t *c, vec3 pos, unsigned width, unsigned height);
 bool cubemap_stepbake(cubemap_t *c, mat44 proj , mat44 view );
 void cubemap_endbake(cubemap_t *c, int step , float sky_intensity );
 void cubemap_sh_reset(cubemap_t *c);
 void cubemap_sh_addlight(cubemap_t *c, vec3 light, vec3 dir, float strength);
 void cubemap_sh_blend(vec3 pos, float max_dist, unsigned count, cubemap_t *probes, vec3 out_sh[9]);
enum FBO_FLAGS {
    FBO_NO_DEPTH = 1,
    FBO_NO_COLOR = 2,
};
enum FBO_BLIT_MODE {
    FBO_BLIT_COPY,
    FBO_BLIT_ADDITIVE,
    FBO_BLIT_COPY_ALPHA,
};
typedef struct fbo_t {
    unsigned id;
    texture_t texture_color;
    texture_t texture_depth;
    unsigned width, height;
    int flags;
    int texture_flags;
} fbo_t;
 fbo_t fbo(unsigned width, unsigned height, int flags, int texture_flags);
 unsigned fbo_id(unsigned texture_color, unsigned texture_depth, int flags);
 void fbo_resize(fbo_t *f, unsigned width, unsigned height);
 void fbo_attach(unsigned id, int slot, texture_t texture);
 void fbo_attach_depth(unsigned id, texture_t texture);
 void fbo_bind(unsigned id);
 void fbo_unbind();
 void fbo_destroy(fbo_t f);
 void fbo_destroy_id(unsigned id);
 void fbo_blit(unsigned id, texture_t texture, int mode);
enum LIGHT_TYPE {
    LIGHT_DIRECTIONAL,
    LIGHT_POINT,
    LIGHT_SPOT,
};
enum SHADOW_TECHNIQUE {
    SHADOW_VSM,
    SHADOW_CSM,
};
typedef struct light_t { struct { const char *objname; uintptr_t objheader; struct obj** objchildren; };
    char *name;
    unsigned type;
    vec3 diffuse, specular, ambient;
    vec3 pos, dir;
    struct {
        float constant, linear, quadratic;
    } falloff;
    float radius;
    float specularPower;
    float innerCone, outerCone;
    bool cast_shadows;
    bool hard_shadows;
    unsigned shadow_technique;
    float shadow_distance;
    float shadow_near_clip;
    mat44 shadow_matrix[4];
    float min_variance;
    float variance_transition;
    float shadow_bias;
    float normal_bias;
    float shadow_softness;
    float penumbra_size;
    bool cached;
    bool processed_shadows;
} light_t;
enum { OBJTYPE_light_t = OBJTYPE_light }; ; ;;
 light_t light();
 void light_type(light_t* l, char type);
 void light_diffuse(light_t* l, vec3 color);
 void light_specular(light_t* l, vec3 color);
 void light_ambient(light_t* l, vec3 color);
 void light_pos(light_t* l, vec3 pos);
 void light_dir(light_t* l, vec3 dir);
 void light_power(light_t* l, float power);
 void light_radius(light_t* l, float radius);
 void light_falloff(light_t* l, float constant, float linear, float quadratic);
 void light_cone(light_t* l, float innerCone, float outerCone);
 void ui_light(light_t *l);
 void ui_lights(unsigned num_lights, light_t *lights);
typedef struct shadowmap_t {
    mat44 V;
    mat44 PV;
    int vsm_texture_width;
    int csm_texture_width;
    int step;
    int light_step;
    int cascade_index;
    unsigned shadow_technique;
    float cascade_splits[4];
    frustum shadow_frustum;
    bool skip_render;
    int lights_pushed;
    handle fbo;
    uint64_t vram_usage;
    uint64_t vram_usage_total;
    uint64_t vram_usage_vsm;
    uint64_t vram_usage_csm;
    handle depth_texture;
    handle depth_texture_2d;
    float blend_region;
    int filter_size, window_size;
    handle offsets_texture;
    struct {
        int gen;
        unsigned shadow_technique;
        handle texture;
        handle texture_2d[4];
        float cascade_distances[4];
    } maps[8];
    handle saved_fb;
    handle saved_pass;
    int saved_vp[4];
    int gen;
    int old_filter_size;
    int old_window_size;
} shadowmap_t;
 shadowmap_t shadowmap(int vsm_texture_width, int csm_texture_width);
 void shadowmap_offsets_build(shadowmap_t *s, int filter_size, int window_size);
 void shadowmap_destroy(shadowmap_t *s);
 void shadowmap_begin(shadowmap_t *s);
 bool shadowmap_step(shadowmap_t *s);
 void shadowmap_light(shadowmap_t *s, light_t *l, mat44 cam_proj, mat44 cam_view);
 void shadowmap_end(shadowmap_t *s);
 void ui_shadowmap(shadowmap_t *s);
 unsigned shader(const char *vs, const char *fs, const char *attribs, const char *fragcolor, const char *defines);
 unsigned shader_geom(const char *gs, const char *vs, const char *fs, const char *attribs, const char *fragcolor, const char *defines);
 unsigned shader_bind(unsigned program);
 int shader_uniform(const char *name);
 void shader_bool(const char *uniform, bool i );
 void shader_int(const char *uniform, int i);
 void shader_uint(const char *uniform, unsigned i );
 void shader_float(const char *uniform, float f);
 void shader_vec2(const char *uniform, vec2 v);
 void shader_vec3(const char *uniform, vec3 v);
 void shader_vec3v(const char *uniform, int count, vec3 *v);
 void shader_vec4(const char *uniform, vec4 v);
 void shader_mat44(const char *uniform, mat44 m);
 void shader_texture(const char *sampler, unsigned texture, unsigned unit);
 void shader_cubemap(const char *sampler, unsigned texture, unsigned unit);
 unsigned shader_get_active();
 void shader_destroy(unsigned shader);
 unsigned shader_properties(unsigned shader);
 char** shader_property(unsigned shader, unsigned property_no);
 void shader_apply_param(unsigned shader, unsigned param_no);
 void shader_apply_params(unsigned shader, const char *parameter_mask);
 int ui_shader(unsigned shader);
 int ui_shaders();
enum BUFFER_MODE {
    BUFFER_READ,
    BUFFER_WRITE,
    BUFFER_READ_WRITE
};
 unsigned compute(const char *cs);
 void compute_dispatch(unsigned wx, unsigned wy, unsigned wz);
 void shader_image(texture_t t, unsigned unit, unsigned level, int layer, unsigned access);
 void shader_image_unit(unsigned texture, unsigned unit, unsigned level, int layer, unsigned texel_type, unsigned access);
 void write_barrier();
 void write_barrier_image();
enum BUFFER_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
};
 unsigned ssbo_create(const void *data, int len, unsigned usage);
 void ssbo_destroy(unsigned ssbo);
 void ssbo_update(int offset, int len, const void *data);
 void ssbo_bind(unsigned ssbo, unsigned unit);
 void *ssbo_map(unsigned access);
 void ssbo_unmap();
 void ssbo_unbind();
 unsigned ubo_create(void *data, int size, unsigned usage);
 void ubo_update(unsigned ubo, int offset, void *data, int size);
 void ubo_bind(unsigned ubo, unsigned unit);
 void ubo_unbind(unsigned unit);
 void ubo_destroy(unsigned ubo);
enum MESH_FLAGS {
    MESH_STATIC = 0,
    MESH_STREAM = 1,
    MESH_TRIANGLE_STRIP = 2,
};
typedef struct mesh_t {
    handle vao, vbo, ibo;
    unsigned vertex_count;
    unsigned index_count;
    unsigned flags;
    int* lod_collapse_map;
    union {
    unsigned* in_index;
    vec3i* in_index3;
    };
    union {
    unsigned* out_index;
    vec3i* out_index3;
    };
    union {
    float* in_vertex;
    vec3* in_vertex3;
    };
    union {
    float* out_vertex;
    vec3* out_vertex3;
    };
} mesh_t;
 mesh_t mesh();
 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);
 void mesh_render(mesh_t *m);
 void mesh_render_prim(mesh_t *sm, unsigned prim);
 void mesh_destroy(mesh_t *m);
 aabb mesh_bounds(mesh_t *m);
enum SKYBOX_FLAGS {
	SKYBOX_RAYLEIGH,
	SKYBOX_CUBEMAP,
	SKYBOX_PBR,
};
typedef struct skybox_t {
    handle program, rayleigh_program;
    mesh_t geometry;
    cubemap_t cubemap;
    int flags;
    bool rayleigh_immediate;
    texture_t sky, refl, env;
} skybox_t;
 skybox_t skybox(const char *panorama, int flags);
 skybox_t skybox_pbr(const char *sky_map, const char *refl_map, const char *env_map);
 int skybox_render(skybox_t *sky, mat44 proj, mat44 view);
 void skybox_destroy(skybox_t *sky);
 void skybox_calc_sh(skybox_t *probe, skybox_t *sky, float sky_intensity);
 void skybox_mie_calc_sh(skybox_t *sky, float sky_intensity);
 void skybox_sh_reset(skybox_t *sky);
 void skybox_sh_shader(skybox_t *sky);
 void skybox_sh_add_light(skybox_t *sky, vec3 light, vec3 dir, float strength);
 int skybox_push_state(skybox_t *sky, mat44 proj, mat44 view);
 int skybox_pop_state();
enum MATERIAL_ENUMS {
	MATERIAL_CHANNEL_ALBEDO,
	MATERIAL_CHANNEL_NORMALS,
	MATERIAL_CHANNEL_ROUGHNESS,
	MATERIAL_CHANNEL_METALLIC,
	MATERIAL_CHANNEL_AO,
	MATERIAL_CHANNEL_AMBIENT,
	MATERIAL_CHANNEL_EMISSIVE,
	MATERIAL_CHANNEL_PARALLAX,
    MAX_CHANNELS_PER_MATERIAL
};
typedef struct material_layer_t {
    char texname[32];
    float value;
    float value2;
    colormap_t map;
} material_layer_t;
typedef struct material_t {
    char *name;
    material_layer_t layer[MAX_CHANNELS_PER_MATERIAL];
    float cutout_alpha;
    float ssr_strength;
    bool _loaded;
} material_t;
 void material_texparams(material_t *m, unsigned texture_flags);
 uint32_t material_checksum(material_t *m);
 void ui_material(material_t *m);
enum {
    SHADERTOY_FLIP_Y = 2,
    SHADERTOY_IGNORE_FBO = 4,
    SHADERTOY_IGNORE_MOUSE = 8,
};
typedef struct shadertoy_t {
    handle vao, program;
    int uniforms[32];
    int texture_channels[4];
    int frame;
    uint64_t t;
    texture_t tx;
    vec2i dims;
    int flags;
    vec4 mouse;
} shadertoy_t;
 shadertoy_t shadertoy( const char *shaderfile, unsigned flags );
 shadertoy_t* shadertoy_render( shadertoy_t *s, float delta );
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;
    float timer;
    bool active;
    vec3 pose;
    char* name;
} anim_t;
 anim_t clip(float minframe, float maxframe, float blendtime, unsigned flags);
 anim_t loop(float minframe, float maxframe, float blendtime, unsigned flags);
 anim_t* animlist(const char *filename);
enum UNIFORM_KIND {
    UNIFORM_BOOL,
    UNIFORM_INT,
    UNIFORM_UINT,
    UNIFORM_FLOAT,
    UNIFORM_VEC2,
    UNIFORM_VEC3,
    UNIFORM_VEC4,
    UNIFORM_MAT3,
    UNIFORM_MAT4,
    UNIFORM_SAMPLER2D,
    UNIFORM_SAMPLER3D,
    UNIFORM_SAMPLERCUBE,
};
typedef struct model_uniform_t {
    const char *name;
    int kind;
    union {
        float f;
        int i;
        bool b;
        unsigned u;
        vec2 v2;
        vec3 v3;
        vec4 v4;
        mat33 m33;
        mat44 m44;
    };
} model_uniform_t;
 bool model_compareuniform(const model_uniform_t *a, const model_uniform_t *b);
 bool model_compareuniforms(unsigned s1, const model_uniform_t *a, unsigned s2, const model_uniform_t *b);
 uint32_t model_uniforms_checksum(unsigned count, model_uniform_t *uniforms);
enum MODEL_FLAGS {
    MODEL_PBR = 0,
    MODEL_NO_ANIMATIONS = 1,
    MODEL_NO_MESHES = 2,
    MODEL_NO_TEXTURES = 4,
    MODEL_NO_FILTERING = 8,
    MODEL_NO_PBR = 16,
    MODEL_MATCAPS = 32,
    MODEL_RIMLIGHT = 64,
    MODEL_TRANSPARENT = 128,
    MODEL_STREAM = 256,
    MODEL_CACHED = 0,
    MODEL_SHARED = 512,
    MODEL_UNIQUE = 1024,
    MODEL_PROCEDURAL = 2048,
};
enum SHADING_MODE {
    SHADING_NONE,
    SHADING_PHONG,
    SHADING_VERTEXLIT,
    SHADING_PBR,
};
enum FOG_MODE {
    FOG_NONE,
    FOG_LINEAR,
    FOG_EXP,
    FOG_EXP2,
    FOG_DEPTH,
};
enum RENDER_PASS {
    RENDER_PASS_OPAQUE,
    RENDER_PASS_TRANSPARENT,
    RENDER_PASS_OVERRIDES_BEGIN,
    RENDER_PASS_MATERIAL,
    RENDER_PASS_SHADOW_BEGIN,
    RENDER_PASS_SHADOW_CSM,
    RENDER_PASS_SHADOW_VSM,
    RENDER_PASS_SHADOW_END,
    RENDER_PASS_CUSTOM,
    RENDER_PASS_OVERRIDES_END,
    NUM_RENDER_PASSES
};
enum MODEL_UNIFORMS {
    MODEL_UNIFORM_MV,
    MODEL_UNIFORM_MVP,
    MODEL_UNIFORM_VP,
    MODEL_UNIFORM_CAM_POS,
    MODEL_UNIFORM_CAM_DIR,
    MODEL_UNIFORM_BILLBOARD,
    MODEL_UNIFORM_MODEL,
    MODEL_UNIFORM_VIEW,
    MODEL_UNIFORM_INV_VIEW,
    MODEL_UNIFORM_PROJ,
    MODEL_UNIFORM_SKINNED,
    MODEL_UNIFORM_INSTANCED,
    MODEL_UNIFORM_VS_BONE_MATRIX,
    MODEL_UNIFORM_U_MATCAPS,
    MODEL_UNIFORM_FRAME_COUNT,
    MODEL_UNIFORM_FRAME_TIME,
    MODEL_UNIFORM_SHADOW_CAMERA_TO_SHADOW_VIEW,
    MODEL_UNIFORM_SHADOW_CAMERA_TO_SHADOW_PROJECTOR,
    MODEL_UNIFORM_SHADOW_TECHNIQUE,
    MODEL_UNIFORM_U_SHADOW_RECEIVER,
    MODEL_UNIFORM_U_BLEND_REGION,
    MODEL_UNIFORM_SHADOW_OFFSETS,
    MODEL_UNIFORM_SHADOW_FILTER_SIZE,
    MODEL_UNIFORM_SHADOW_WINDOW_SIZE,
    MODEL_UNIFORM_RESOLUTION,
    MODEL_UNIFORM_HAS_TEX_ENV_CUBEMAP,
    MODEL_UNIFORM_HAS_TEX_SKYSPHERE,
    MODEL_UNIFORM_HAS_TEX_SKYENV,
    MODEL_UNIFORM_TEX_ENV_CUBEMAP,
    MODEL_UNIFORM_TEX_SKYSPHERE,
    MODEL_UNIFORM_SKYSPHERE_MIP_COUNT,
    MODEL_UNIFORM_TEX_SKYENV,
    MODEL_UNIFORM_TEX_BRDF_LUT,
    MODEL_UNIFORM_SHADOW_CASCADE_DISTANCES,
    MODEL_UNIFORM_SHADOW_CASCADE_DISTANCES_COUNT = MODEL_UNIFORM_SHADOW_CASCADE_DISTANCES+4,
    MODEL_UNIFORM_SHADOW_MAP_2D,
    MODEL_UNIFORM_SHADOW_MAP_2D_COUNT = MODEL_UNIFORM_SHADOW_MAP_2D+4,
    MODEL_UNIFORM_SHADOW_MAP_CUBEMAP,
    MODEL_UNIFORM_SHADOW_MAP_CUBEMAP_COUNT = MODEL_UNIFORM_SHADOW_MAP_CUBEMAP+96,
    NUM_MODEL_UNIFORMS
};
enum MODEL_TEXTURE_SLOTS {
    MODEL_TEXTURE_ALBEDO,
    MODEL_TEXTURE_NORMALS,
    MODEL_TEXTURE_ROUGHNESS,
    MODEL_TEXTURE_METALLIC,
    MODEL_TEXTURE_AO,
    MODEL_TEXTURE_AMBIENT,
    MODEL_TEXTURE_EMISSIVE,
    MODEL_TEXTURE_PARALLAX,
    MODEL_TEXTURE_ENV_CUBEMAP,
    MODEL_TEXTURE_SKYSPHERE,
    MODEL_TEXTURE_SKYENV,
    MODEL_TEXTURE_BRDF_LUT,
    MODEL_TEXTURE_SHADOW_OFFSETS,
    MODEL_TEXTURE_SHADOW_MAP_2D,
    MODEL_TEXTURE_SHADOW_MAP_2D_COUNT = MODEL_TEXTURE_SHADOW_MAP_2D+4,
    MODEL_TEXTURE_SHADOW_MAP_CUBEMAP,
    MODEL_TEXTURE_SHADOW_MAP_CUBEMAP_COUNT = MODEL_TEXTURE_SHADOW_MAP_CUBEMAP+8,
    MODEL_TEXTURE_USER_DEFINED,
    NUM_MODEL_TEXTURE_SLOTS
};
typedef struct lightarray_t {
    light_t *base;
    unsigned count;
} lightarray_t;
typedef struct model_shaderinfo_t {
    int shading;
    char *vs;
    char *fs;
    char *defines;
    char** switches;
} model_shaderinfo_t;
typedef struct model_t {
    struct iqm_t *iqm;
    char *filename;
    int shading;
    unsigned num_textures;
    char **texture_names;
    material_t* materials;
    texture_t sky_refl, sky_env, sky_cubemap;
    unsigned num_meshes;
    unsigned num_triangles;
    unsigned num_joints;
    unsigned num_anims;
    unsigned num_frames;
    shadowmap_t *shadow_map;
    lightarray_t lights;
    bool shadow_receiver;
    float curframe;
    mat44 pivot;
    int stride;
    void *verts;
    int num_verts;
    void *tris;
    int num_tris;
    handle vao, ibo, vbo, vao_instanced;
    int* lod_collapse_map;
    void *lod_verts;
    int lod_num_verts;
    void *lod_tris;
    int lod_num_tris;
    unsigned flags;
    unsigned billboard;
    float *instanced_matrices;
    unsigned num_instances;
    int stored_flags;
    renderstate_t rs[NUM_RENDER_PASSES];
    bool frustum_enabled;
    frustum frustum_state;
    model_uniform_t* uniforms;
    model_shaderinfo_t shaderinfo;
} model_t;
typedef struct model_vertex_t {
    vec3 position;
    vec2 texcoord;
    vec3 normal;
    vec4 tangent;
    uint8_t blend_indices[4];
    uint8_t blend_weights[4];
    float blend_vertex_index;
    vec4 color;
    vec2 texcoord2;
} model_vertex_t;
enum BILLBOARD_MODE {
    BILLBOARD_X = 0x1,
    BILLBOARD_Y = 0x2,
    BILLBOARD_Z = 0x4,
    BILLBOARD_CYLINDRICAL = BILLBOARD_X|BILLBOARD_Z,
    BILLBOARD_SPHERICAL = BILLBOARD_X|BILLBOARD_Y|BILLBOARD_Z
};
 model_t model(const char *filename, int flags);
 model_t model_from_mem(const void *mem, int sz, int flags);
 void model_sync(model_t m, int num_vertices, model_vertex_t *vertices, int num_indices, uint32_t *indices);
 float model_animate(model_t, float curframe);
 float model_animate_clip(model_t, float curframe, int minframe, int maxframe, bool loop);
 float model_animate_blends(model_t m, anim_t *primary, anim_t *secondary, float delta);
 int model_texture_unit(model_t *m);
 aabb model_aabb(model_t, mat44 transform);
 sphere model_bsphere(model_t, mat44 transform);
 void model_lod(model_t*, float lo_detail, float hi_detail, float morph);
 void model_setstyle(model_t*, int shading);
 void model_setshader(model_t*, int shading, const char *vs, const char *fs, const char *defines);
 void model_adduniform(model_t*, model_uniform_t uniform);
 void model_adduniforms(model_t*, unsigned count, model_uniform_t *uniforms);
 void model_addswitch(model_t*, const char *name);
 void model_delswitch(model_t*, const char *name);
 uint32_t model_uniforms_checksum(unsigned count, model_uniform_t *uniforms);
 void model_fog(model_t*, unsigned mode, vec3 color, float start, float end, float density);
 void model_skybox(model_t*, skybox_t sky);
 void model_cubemap(model_t*, cubemap_t *c);
 void model_probe(model_t*, vec3 center, float radius, unsigned count, cubemap_t *c);
 void model_shadow(model_t*, shadowmap_t *sm);
 void model_light(model_t*, unsigned count, light_t *lights);
 void model_rimlight(model_t*, vec3 rim_range, vec3 rim_color, vec3 rim_pivot, bool rim_ambient);
 void model_render(model_t, mat44 proj, mat44 view, mat44 model);
 void model_render_skeleton(model_t, mat44 model);
 void model_render_instanced(model_t, mat44 proj, mat44 view, mat44 *models, unsigned count);
 void model_render_instanced_pass(model_t m, mat44 proj, mat44 view, mat44* models, unsigned count, int pass);
 void model_render_pass(model_t m, mat44 proj, mat44 view, mat44 model, int pass);
 void model_set_texture(model_t*, texture_t t);
 bool model_has_transparency_mesh(model_t m, int mesh);
 bool model_has_transparency(model_t m);
 void model_set_frustum(model_t *m, frustum f);
 void model_clear_frustum(model_t *m);
 bool model_get_bone_pose(model_t m, unsigned joint, mat34 *out);
 bool model_get_bone_position(model_t m, unsigned joint, mat44 M, vec3 *out);
 void model_destroy(model_t);
 unsigned model_getpass();
 unsigned model_setpass(unsigned pass);
 vec3 pose(bool forward, float curframe, int minframe, int maxframe, bool loop, float *opt_retframe);
 void ui_materials(model_t *m);
typedef struct drawmat_t {
    handle fbo_id;
    texture_t matprops;
    texture_t normals;
    texture_t albedo;
    texture_t depth;
} drawmat_t;
 drawmat_t drawmat();
 void drawmat_destroy(drawmat_t *lookup);
 void drawmat_clear(drawmat_t *lookup);
 void drawmat_render_instanced(drawmat_t *lookup, model_t m, mat44 proj, mat44 view, mat44 *models, unsigned count);
 void drawmat_render(drawmat_t *lookup, model_t m, mat44 proj, mat44 view, mat44 model);
 void viewport_color(unsigned color);
 void viewport_clear(bool color, bool depth);
 void viewport_clip(vec2 from, vec2 to);
 void viewport_area(vec2 from, vec2 to);
 int fx_load(const char *file);
 int fx_load_from_mem(const char *nameid, const char *content);
 bool fx_begin();
 bool fx_begin_res(int w, int h);
 bool fx_end(unsigned texture_id, unsigned depth_id);
 void fx_apply(texture_t color_texture, texture_t depth_texture);
 void fx_enable(int pass, int enabled);
 int fx_enable_ordered(int pass);
 int fx_enabled(int pass);
 void fx_enable_all(int enabled);
 char * fx_name(int pass);
 int fx_find(const char *name);
 void fx_setparam(int pass, const char *name, float value);
 void fx_setparami(int pass, const char *name, int value);
 void fx_setparam3(int pass, const char *name, vec3 value);
 void fx_setparam4(int pass, const char *name, vec4 value);
 void fx_setparamt(int pass, const char *name, texture_t value, int unit);
 int fx_order(int pass, unsigned priority);
 unsigned fx_program(int pass);
 int ui_fx(int pass);
 int ui_fxs();
 void fx_drawpass_rs(int pass, texture_t color, texture_t depth, renderstate_t *rs);
 void fx_drawpass(int pass, texture_t color, texture_t depth);
typedef struct passfx {
    char *name;
    unsigned program;
    int uniforms[16];
    unsigned priority;
    bool enabled;
} passfx;
typedef struct postfx {
    unsigned vao;
    unsigned fb[2];
    texture_t diffuse[2], depth[2];
    passfx* pass;
    bool enabled;
    unsigned rolling_id;
    struct { set base; struct { set_item p; char* key; } tmp, *ptr; char* *tmpval; int (*typed_cmp)(char*, char*); uint64_t (*typed_hash)(char*); } * added;
} postfx;
 void postfx_create(postfx *fx, int flags);
 void postfx_destroy(postfx *fx);
 bool postfx_load(postfx *fx, const char *filemask);
 bool postfx_begin(postfx *fx, int width, int height);
 bool postfx_end(postfx *fx, unsigned texture_id, unsigned depth_id);
 bool postfx_apply(postfx *fx, texture_t color_texture, texture_t depth_texture);
 bool postfx_enabled(postfx *fx, int pass_number);
 bool postfx_enable(postfx *fx, int pass_number, bool enabled);
 int postfx_enable_ordered(postfx *fx, int pass);
 void postfx_enable_all(postfx *fx, bool enabled);
 void postfx_clear(postfx *fx);
 int postfx_order(postfx *fx, int pass, unsigned priority);
 unsigned postfx_program(postfx *fx, int pass);
 void postfx_setparam(postfx *fx, int pass, const char *name, float value);
 void postfx_setparami(postfx *fx, int pass, const char *name, int value);
 void postfx_setparam3(postfx *fx, int pass, const char *name, vec3 value);
 void postfx_setparam4(postfx *fx, int pass, const char *name, vec4 value);
 void postfx_setparamt(postfx *fx, int pass, const char *name, texture_t value, int unit);
 char* postfx_name(postfx *fx, int slot);
 passfx* postfx_pass(postfx *fx, int slot);
 void postfx_drawpass_rs(postfx *fx, int pass, texture_t color, texture_t depth, renderstate_t *rs);
 void postfx_drawpass(postfx *fx, int pass, texture_t color, texture_t depth);
 int ui_postfx(postfx *fx, int slot);
 int ui_postfxs(postfx *fx);
typedef struct bloom_params_t {
    int mips_count;
    float filter_radius;
    float strength;
    float threshold;
    float soft_threshold;
    bool suppress_fireflies;
} bloom_params_t;
 texture_t fxt_bloom(texture_t color, bloom_params_t params);
typedef struct reflect_params_t {
    bool disabled;
    float max_distance;
    float reflection_strength;
    float metallic_threshold;
    int downsample;
    cubemap_t *cubemap;
} reflect_params_t;
 texture_t fxt_reflect(texture_t color, texture_t depth, texture_t normal, texture_t matprops, mat44 proj, mat44 view, reflect_params_t params);
 void* screenshot(int components);
 void* screenshot_async(int components);
 void ddraw_line_width(float width);
 void ddraw_line_width_push(float scale);
 void ddraw_line_width_pop();
 void ddraw_color(unsigned rgb);
 void ddraw_color_push(unsigned rgb);
 void ddraw_color_pop();
 void ddraw_ontop(int enabled);
 void ddraw_ontop_push(int enabled);
 void ddraw_ontop_pop();
 void ddraw_push_2d();
 void ddraw_pop_2d();
 void ddraw_aabb(vec3 minbb, vec3 maxbb);
 void ddraw_aabb_corners(vec3 minbb, vec3 maxbb);
 void ddraw_arrow(vec3 begin, vec3 end);
 void ddraw_axis(float units);
 void ddraw_boid(vec3 pos, vec3 dir);
 void ddraw_bone(vec3 center, vec3 end);
 void ddraw_bounds(const vec3 points[8]);
 void ddraw_box(vec3 center, vec3 extents);
 void ddraw_capsule(vec3 from, vec3 to, float radius);
 void ddraw_circle(vec3 pos, vec3 n, float radius);
 void ddraw_ring(vec3 pos, vec3 n, float radius);
 void ddraw_cone(vec3 center, vec3 top, float radius);
 void ddraw_cube(vec3 center, float radius);
 void ddraw_cube33(vec3 center, vec3 radius, mat33 M);
 void ddraw_diamond(vec3 from, vec3 to, float size);
 void ddraw_frustum(float projview[16]);
 void ddraw_ground(float scale);
 void ddraw_grid(float scale);
 void ddraw_hexagon(vec3 pos, float radius);
 void ddraw_line(vec3 from, vec3 to);
 void ddraw_line_dashed(vec3 from, vec3 to);
 void ddraw_line_thin(vec3 from, vec3 to);
 void ddraw_normal(vec3 pos, vec3 n);
 void ddraw_pentagon(vec3 pos, float radius);
 void ddraw_plane(vec3 p, vec3 n, float scale);
 void ddraw_point(vec3 from);
 void ddraw_position(vec3 pos, float radius);
 void ddraw_position_dir(vec3 pos, vec3 dir, float radius);
 void ddraw_pyramid(vec3 center, float height, int segments);
 void ddraw_cylinder(vec3 center, float height, int segments);
 void ddraw_sphere(vec3 pos, float radius);
 void ddraw_square(vec3 pos, float radius);
 void ddraw_text(vec3 pos, float scale, const char *text);
 void ddraw_text2d(vec2 pos, const char *text);
 void ddraw_triangle(vec3 p1, vec3 p2, vec3 p3);
 void ddraw_prism(vec3 center, float radius, float height, vec3 normal, int segments);
 void ddraw_demo();
 void ddraw_flush();
 void ddraw_flush_projview(mat44 proj, mat44 view);
 int gizmo(vec3 *pos, vec3 *rot, vec3 *sca);
 bool gizmo_active();
 bool gizmo_hover();
typedef struct camera_t { struct { const char *objname; uintptr_t objheader; struct obj** objchildren; };
    mat44 view, proj;
    vec3 position, updir, lookdir, rightdir;
    float yaw, pitch, roll;
    float speed, accel, fov, aspect;
    float near_clip, far_clip;
    float frustum_fov_multiplier;
    float move_friction, move_damping;
    float look_friction, look_damping;
    vec3 last_look; vec3 last_move;
    bool damping;
    bool orthographic;
    float distance;
} camera_t;
enum { OBJTYPE_camera_t = OBJTYPE_camera }; ; ;;
 camera_t camera();
 void camera_teleport(camera_t *cam, vec3 pos);
 void camera_moveby(camera_t *cam, vec3 inc);
 void camera_fov(camera_t *cam, float fov);
 void camera_fps(camera_t *cam, float yaw, float pitch);
 void camera_fps2(camera_t *cam, float yaw, float pitch, float roll);
 void camera_orbit(camera_t *cam, float yaw, float pitch, float inc_distance);
 void camera_lookat(camera_t *cam, vec3 target);
 void camera_enable(camera_t *cam);
 void camera_freefly(camera_t *cam);
 frustum camera_frustum_build(camera_t *cam);
 camera_t *camera_get_active();
 int ui_camera(camera_t *cam);
 void ddraw_camera(camera_t *cam);
typedef struct node_t { struct { struct { const char *objname; uintptr_t objheader; struct obj** objchildren; }; uintptr_t cflags; void *c[32]; };
    uint64_t renderbucket;
    mat44 transform;
    quat rot;
    vec3 sca, pos, euler, pivot;
    texture_t* textures;
    model_t model, model_shadow;
    anim_t anim;
    float anim_speed;
    aabb bounds;
    unsigned billboard;
    bool disable_frustum_check;
    bool cast_shadows;
    bool fullbright;
    bool batchable;
    float distance;
    bool skip_draw;
    bool was_batched;
    mat44* instances;
    unsigned num_instances;
    unsigned* pair_instance;
    uint32_t checksum;
} node_t;
enum { OBJTYPE_node_t = OBJTYPE_node }; ; ;;
 bool node_compare(node_t *obj1, node_t *obj2);
 void node_rotate(node_t *obj, vec3 euler);
 void node_pivot(node_t *obj, vec3 euler);
 void node_teleport(node_t *obj, vec3 pos);
 void node_move(node_t *obj, vec3 inc);
 vec3 node_position(node_t *obj);
 void node_scale(node_t *obj, vec3 sca);
 void node_batchable(node_t *obj, bool batchable);
 void node_model(node_t *obj, model_t model);
 void node_model_shadow(node_t *obj, model_t model);
 void node_anim(node_t *obj, anim_t anim, float speed);
 void node_diffuse(node_t *obj, texture_t tex);
 void node_billboard(node_t *obj, unsigned mode);
enum SCENE_FLAGS {
    SCENE_WIREFRAME = 1,
    SCENE_CULLFACE = 2,
    SCENE_BACKGROUND = 4,
    SCENE_FOREGROUND = 8,
    SCENE_UPDATE_SH_COEF = 16,
    SCENE_SHADOWS = 32,
    SCENE_POSTFX = 64,
    SCENE_DRAWMAT = 128,
};
typedef struct scene_t { struct { const char *objname; uintptr_t objheader; struct obj** objchildren; };
    int flags;
    node_t** renderlist;
    light_t** lights;
    skybox_t skybox;
    shadowmap_t shadowmap;
    drawmat_t drawmat;
} scene_t;
enum { OBJTYPE_scene_t = OBJTYPE_scene }; ; ;;
 int scene_merge(scene_t *s, const char *source);
 void scene_render(scene_t *s, int flags);
 char* tempvl(const char *fmt, va_list);
 char* tempva(const char *fmt, ...);
 char* strcatf(char **s, const char *buf);
 int strmatch(const char *s, const char *wildcard);
 int strmatchi(const char *s, const char *wildcard);
 int strcmp_qsort(const void *a, const void *b);
 int strcmpi_qsort(const void *a, const void *b);
 bool strbeg(const char *src, const char *sub);
 bool strend(const char *src, const char *sub);
 bool strbegi(const char *src, const char *sub);
 bool strendi(const char *src, const char *sub);
 const char * strstri(const char *src, const char *sub);
 char * strupper(const char *str);
 char * strlower(const char *str);
 char * strrepl(char **copy, const char *target, const char *replace);
 char * strswap(char *copy, const char *target, const char *replace);
 char * strcut(char *copy, const char *target);
 const char * strlerp(unsigned numpairs, const char **pairs, const char *str);
 size_t strlcat(char *dst, const char *src, size_t dstcap);
 size_t strlcpy(char *dst, const char *src, size_t dstcap);
 char** strsplit(const char *string, const char *delimiters);
 char* strjoin(char** list, const char *separator);
 char* string8(const wchar_t *str);
 uint32_t* string32( const char *utf8 );
 const char* codepoint_to_utf8(unsigned cp);
 unsigned intern( const char *string );
 const char *quark( unsigned key );
typedef struct quarks_db {
    char* blob;
    vec2i* entries;
} quarks_db;
 unsigned quark_intern( quarks_db*, const char *string );
 const char *quark_string( quarks_db*, unsigned key );
 bool kit_load( const char *filename );
 bool kit_merge( const char *filename );
 void kit_insert( const char *id, const char *translation );
 void kit_clear();
 void kit_set( const char *variable, const char *value );
 void kit_reset();
 void kit_dump_state( FILE *fp );
 char* kit_translate2( const char *id, const char *langcode_iso639_1 );
 void kit_locale( const char *langcode_iso639_1 );
 char* kit_translate( const char *id );
typedef enum SPRITE_FLAGS {
    SPRITE_PROJECTED = 1,
    SPRITE_ADDITIVE = 2,
    SPRITE_CENTERED = 4,
    SPRITE_RESOLUTION_INDEPENDANT = 128,
} SPRITE_FLAGS;
 void sprite( texture_t texture, float position[3], float rotation , unsigned color , unsigned flags);
 void sprite_rect( texture_t t, vec4 rect, vec4 pos, vec4 scaleoff, float tilt_deg, unsigned tint_rgba, unsigned flags);
 void sprite_sheet( texture_t texture, float sheet[3], float position[3], float rotation, float offset[2], float scale[2], unsigned rgba, unsigned flags);
 void sprite_flush();
typedef struct tileset_t {
    texture_t tex;
    unsigned tile_w, tile_h;
    unsigned cols, rows;
    unsigned selected;
} tileset_t;
 tileset_t tileset(texture_t tex, unsigned tile_w, unsigned tile_h, unsigned cols, unsigned rows);
 int ui_tileset( tileset_t t );
typedef struct tilemap_t {
    int blank_chr;
    unsigned cols, rows;
    int* map;
    vec3 position;
    float zindex;
    float tilt;
    unsigned tint;
    bool is_additive;
} tilemap_t;
 tilemap_t tilemap(const char *map, int blank_chr, int linefeed_chr);
 void tilemap_render( tilemap_t m, tileset_t style );
 void tilemap_render_ext( tilemap_t m, tileset_t style, float zindex, float xy_zoom[3], float tilt, unsigned tint, bool is_additive );
typedef struct tiled_t {
    char *map_name;
    unsigned first_gid, tilew, tileh, w, h;
    bool parallax;
    vec3 position;
    bool* visible;
    tilemap_t* layers;
    tileset_t* sets;
    char** names;
} tiled_t;
 tiled_t tiled(const char *file_tmx);
 void tiled_render(tiled_t tmx, vec3 pos);
 void ui_tiled(tiled_t *t);
typedef struct spine_t spine_t;
 spine_t*spine(const char *file_json, const char *file_atlas, unsigned flags);
 void spine_skin(spine_t *p, unsigned skin);
 void spine_render(spine_t *p, vec3 offset, unsigned flags);
 void spine_animate(spine_t *p, float delta);
 void ui_spine(spine_t *p);
typedef struct atlas_frame_t {
    unsigned delay;
    vec4 sheet;
    vec2 anchor;
    vec3i* indices;
    vec2* coords;
    vec2* uvs;
} atlas_frame_t;
typedef struct atlas_anim_t {
    unsigned name;
    unsigned* frames;
} atlas_anim_t;
typedef struct atlas_slice_frame_t {
    vec4 bounds;
    bool has_9slice;
    vec4 core;
    vec2 pivot;
    unsigned color;
    char *text;
} atlas_slice_frame_t;
typedef struct atlas_slice_t {
    unsigned name;
    unsigned* frames;
} atlas_slice_t;
typedef struct atlas_t {
    texture_t tex;
    atlas_frame_t* frames;
    atlas_anim_t* anims;
    atlas_slice_t* slices;
    atlas_slice_frame_t* slice_frames;
    quarks_db db;
} atlas_t;
 atlas_t atlas_create(const char *inifile, unsigned flags);
 int ui_atlas(atlas_t *a);
 int ui_atlas_frame(atlas_frame_t *f);
 void atlas_destroy(atlas_t *a);
typedef struct sprite_t { struct { const char *objname; uintptr_t objheader; struct obj** objchildren; };
    vec4 gamepad;
    vec2 fire;
    vec4 pos;
    vec2 sca;
    float tilt;
    unsigned tint;
    unsigned frame;
    unsigned timer, timer_ms;
    unsigned flip_, flipped;
    unsigned play;
    bool paused;
    struct atlas_t *a;
} sprite_t;
enum { OBJTYPE_sprite_t = OBJTYPE_sprite }; ; ;;
 void sprite_ctor(sprite_t *s);
 void sprite_dtor(sprite_t *s);
 void sprite_tick(sprite_t *s);
 void sprite_draw(sprite_t *s);
 void sprite_edit(sprite_t *s);
 sprite_t*sprite_new(const char *ase, int bindings[6]);
 void sprite_del(sprite_t *s);
 void sprite_setanim(sprite_t *s, unsigned name);
typedef struct guiskin_t {
    void (*drawrect)(void* userdata, const char *skin, const char *fallback, vec4 rect);
    void (*getskinsize)(void* userdata, const char *skin, const char *fallback, vec2 *size);
    void (*getskincolor)(void* userdata, const char *skin, const char *fallback, unsigned *color);
    void (*getscissorrect)(void* userdata, const char *skin, const char *fallback, vec4 rect, vec4 *dims);
    bool (*ismouseinrect)(void* userdata, const char *skin, const char *fallback, vec4 rect);
    void (*free)(void* userdata);
    void *userdata;
} guiskin_t;
 void gui_pushskin(guiskin_t skin);
 void* gui_userdata();
 vec2 gui_getskinsize(const char *skin, const char *fallback);
 unsigned gui_getskincolor(const char *skin, const char *fallback);
 bool gui_ismouseinrect(const char *skin, const char *fallback, vec4 rect);
 vec4 gui_getscissorrect(const char *skin, const char *fallback, vec4 rect);
 void gui_panel_id(int id, vec4 rect, const char *skin);
 void gui_rect_id(int id, vec4 rect, const char *skin);
 void gui_label_id(int id, const char *skin, const char *text, vec4 rect);
 bool gui_button_id(int id, vec4 rect, const char *skin);
 bool gui_button_label_id(int id, const char *text, vec4 rect, const char *skin);
 bool gui_slider_id(int id, vec4 rect, const char *skin, float min, float max, float step, float *value);
 bool gui_slider_label_id(int id, const char *text, vec4 rect, const char *skin, float min, float max, float step, float *value);
 void gui_panel_end();
 void gui_popskin();
typedef struct skinned_t {
    atlas_t atlas;
    float scale;
} skinned_t;
 guiskin_t gui_skinned(const char *asefile, float scale);
 bool steam_init(unsigned app_id);
 void steam_tick();
 void steam_trophy(const char *trophy_id, bool redeem);
 void steam_screenshot();
 void steam_destroy();
 int ui_steam();
 void* thread( int (*thread_func)(void* user_data), void* user_data );
 void thread_destroy( void *thd );
 int argc();
 char* argv(int);
 void argvadd(const char *arg);
 int flag(const char *commalist);
 const char* option(const char *commalist, const char *defaults);
 int optioni(const char *commalist, int defaults);
 float optionf(const char *commalist, float defaults);
 void tty_attach();
 void tty_detach();
 void tty_color(unsigned color);
 void tty_reset();
 const char* app_exec(const char *command);
 int app_spawn(const char *command);
 int app_cores();
 int app_battery();
 const char* app_name();
 const char* app_path();
 const char* app_cache();
 const char* app_temp();
 const char* app_cmdline();
 void app_beep();
 void app_hang();
 void app_crash();
 void app_singleton(const char *guid);
 bool app_open(const char *folder_file_or_url);
 const char* app_loadfile();
 const char* app_savefile();
 char* callstack( int traces );
 int callstackf( FILE *fp, int traces );
 void die(const char *message);
 void alert(const char *message);
 void alert_caption(const char *caption, const char *message);
 void hexdump( const void *ptr, unsigned len );
 void hexdumpf( FILE *fp, const void *ptr, unsigned len, int width );
 void breakpoint();
 bool has_debugger();
 void trap_install(void);
 const char *trap_name(int signal);
 void trap_on_ignore(int signal);
 void trap_on_quit(int signal);
 void trap_on_abort(int signal);
 void trap_on_debug(int signal);
 int (PANIC)(const char *error, const char *file, int line);
 int (PRINTF)(const char *text, const char *stack, const char *file, int line, const char *function);
 int (test)(const char *file, int line, const char *expr, bool result);
 uint64_t date();
 uint64_t date_epoch();
 char* date_string();
 double time_hh();
 double time_mm();
 double time_ss();
 uint64_t time_ms();
 uint64_t time_us();
 uint64_t time_ns();
 void sleep_ss(double ss);
 void sleep_ms(double ms);
 void sleep_us(double us);
 void sleep_ns(double us);
 unsigned timer(unsigned ms, unsigned (*callback)(unsigned ms, void *arg), void *arg);
 void timer_destroy(unsigned timer_handle);
typedef vec3i guid;
 guid guid_create();
 float ease_zero(float t);
 float ease_one(float t);
 float ease_linear(float t);
 float ease_out_sine(float t);
 float ease_out_quad(float t);
 float ease_out_cubic(float t);
 float ease_out_quart(float t);
 float ease_out_quint(float t);
 float ease_out_expo(float t);
 float ease_out_circ(float t);
 float ease_out_back(float t);
 float ease_out_elastic(float t);
 float ease_out_bounce(float t);
 float ease_in_sine(float t);
 float ease_in_quad(float t);
 float ease_in_cubic(float t);
 float ease_in_quart(float t);
 float ease_in_quint(float t);
 float ease_in_expo(float t);
 float ease_in_circ(float t);
 float ease_in_back(float t);
 float ease_in_elastic(float t);
 float ease_in_bounce(float t);
 float ease_inout_sine(float t);
 float ease_inout_quad(float t);
 float ease_inout_cubic(float t);
 float ease_inout_quart(float t);
 float ease_inout_quint(float t);
 float ease_inout_expo(float t);
 float ease_inout_circ(float t);
 float ease_inout_back(float t);
 float ease_inout_elastic(float t);
 float ease_inout_bounce(float t);
 float ease_inout_perlin(float t);
enum EASE_FLAGS {
    EASE_SINE,
    EASE_QUAD,
    EASE_CUBIC,
    EASE_QUART,
    EASE_QUINT,
    EASE_EXPO,
    EASE_CIRC,
    EASE_BACK,
    EASE_ELASTIC,
    EASE_BOUNCE,
    EASE_IN,
    EASE_OUT = 0,
    EASE_INOUT = EASE_IN * 2,
    EASE_ZERO = EASE_INOUT | (EASE_BOUNCE + 1),
    EASE_ONE,
    EASE_LINEAR,
    EASE_INOUT_PERLIN,
    EASE_NUM
};
 float ease(float t01, unsigned fn);
 float ease_pong(float t01, unsigned fn);
 float ease_ping_pong(float t, unsigned fn1, unsigned fn2);
 float ease_pong_ping(float t, unsigned fn1, unsigned fn2);
 const char *ease_enum(unsigned fn);
 const char**ease_enums();
typedef struct tween_keyframe_t {
    float t;
    vec3 v;
    unsigned ease;
} tween_keyframe_t;
typedef struct tween_t {
    tween_keyframe_t* keyframes;
    vec3 result;
    float time;
    float duration;
} tween_t;
 tween_t tween();
 void tween_setkey(tween_t *tw, float t, vec3 v, unsigned easing_mode);
 void tween_delkey(tween_t *tw, float t);
 float tween_update(tween_t *tw, float dt);
 void tween_reset(tween_t *tw);
 void tween_destroy(tween_t *tw);
typedef struct curve_t {
    float* lengths;
    unsigned* colors;
    vec3* samples;
    vec3* points;
    int* indices;
} curve_t;
 curve_t curve();
 void curve_add(curve_t *c, vec3 p);
 void curve_end(curve_t *c, int num_points);
 vec3 curve_eval(curve_t *c, float dt, unsigned *color);
 void curve_destroy(curve_t *c);
enum PANEL_FLAGS {
    PANEL_OPEN = 1,
};
 int ui_notify(const char *title, const char *body);
 int ui_window(const char *title, int *enabled);
 int ui_panel(const char *title, int flags);
 int ui_collapse(const char *label, const char *id);
 int ui_collapseo(const char *label, const char *id);
 int ui_contextual();
 int ui_section(const char *title);
 int ui_int(const char *label, int *value);
 int ui_bool(const char *label, bool *value);
 int ui_short(const char *label, short *value);
 int ui_float_(const char *label, float *value, float step);
 int ui_float2_(const char *label, float value[2], float step);
 int ui_float3_(const char *label, float value[3], float step);
 int ui_float4_(const char *label, float value[4], float step);
 int ui_float(const char *label, float *value);
 int ui_float2(const char *label, float value[2]);
 int ui_float3(const char *label, float value[3]);
 int ui_float4(const char *label, float value[4]);
 int ui_mat33(const char *label, float mat33[9]);
 int ui_mat34(const char *label, float mat34[12]);
 int ui_mat44(const char *label, float mat44[16]);
 int ui_double(const char *label, double *value);
 int ui_buffer(const char *label, char *buffer, int buflen);
 int ui_string(const char *label, char **string);
 int ui_color3(const char *label, unsigned *color);
 int ui_color3f(const char *label, float color[3]);
 int ui_color4(const char *label, unsigned *color);
 int ui_color4f(const char *label, float color[4]);
 int ui_unsigned(const char *label, unsigned *value);
 int ui_unsigned2(const char *label, unsigned *value);
 int ui_unsigned3(const char *label, unsigned *value);
 int ui_button(const char *label);
 int ui_button_transparent(const char *label);
 int ui_buttons(int buttons, ...);
 int ui_toolbar(const char *options);
 int ui_submenu(const char *options);
 int ui_browse(const char **outfile, bool *inlined);
 int ui_toggle(const char *label, bool *value);
 int ui_dialog(const char *title, const char *text, int choices, bool *show);
 int ui_list(const char *label, const char **items, int num_items, int *selector);
 int ui_radio(const char *label, const char **items, int num_items, int *selector);
 int ui_texture(const char *label, texture_t t);
 int ui_subtexture(const char *label, texture_t t, unsigned x, unsigned y, unsigned w, unsigned h);
 int ui_image(const char *label, handle id, unsigned w, unsigned h);
 int ui_subimage(const char *label, handle id, unsigned iw, unsigned ih, unsigned sx, unsigned sy, unsigned sw, unsigned sh);
 int ui_colormap(const char *label, colormap_t *cm);
 int ui_separator();
 int ui_bitmask8(const char *label, uint8_t *bits);
 int ui_bitmask16(const char *label, uint16_t *bits);
 int ui_console();
 int ui_clampf_(const char *label, float *value, float minf, float maxf, float step);
 int ui_clampf(const char *label, float *value, float minf, float maxf);
 int ui_label(const char *label);
 int ui_label2(const char *label, const char *caption);
 int ui_label2_bool(const char *label, bool enabled);
 int ui_label2_float(const char *label, float value);
 int ui_label2_toolbar(const char *label, const char *icons);
 int ui_slider(const char *label, float *value);
 int ui_slider2(const char *label, float *value, const char *caption);
 int ui_contextual_end(int close);
 int ui_collapse_clicked();
 int ui_collapse_end();
 int ui_panel_end();
 int ui_window_end();
 int ui_show(const char *panel_or_window_title, int enabled);
 int ui_dims(const char *panel_or_window_title, float width, float height);
 int ui_visible(const char *panel_or_window_title);
 vec2 ui_get_dims();
 int ui_enable();
 int ui_enabled();
 int ui_disable();
 int ui_hide(bool);
 int ui_has_menubar();
 int ui_menu(const char *items);
 int ui_menu_editbox(char *buf, int bufcap);
 int ui_item();
 int ui_popups();
 int ui_hover();
 int ui_active();
 int ui_demo(int do_windows);
 void *ui_handle();
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;
 video_t* video( const char *filename, int flags );
 texture_t* video_decode( video_t *v );
 texture_t* video_textures( video_t *v );
 int video_has_finished(video_t *v);
 double video_duration(video_t *v);
 int video_seek(video_t *v, double seek_to);
 double video_position(video_t *v);
 void video_pause(video_t *v, bool paused);
 bool video_is_paused(video_t *v);
 bool video_is_rgb(video_t *v);
 void video_destroy( video_t *v );
 bool record_start(const char *outfile_mp4);
 bool record_active();
 void record_stop(void);
enum WINDOW_FLAGS {
    WINDOW_MSAA2 = 0x02,
    WINDOW_MSAA4 = 0x04,
    WINDOW_MSAA8 = 0x08,
    WINDOW_SQUARE = 0x20,
    WINDOW_PORTRAIT = 0x40,
    WINDOW_LANDSCAPE = 0x80,
    WINDOW_ASPECT = 0x100,
    WINDOW_FIXED = 0x200,
    WINDOW_TRANSPARENT = 0x400,
    WINDOW_BORDERLESS = 0x800,
    WINDOW_TRUE_BORDERLESS = 0x4000,
    WINDOW_VSYNC = 0x2000,
    WINDOW_VSYNC_ADAPTIVE = 0x1000,
};
 bool window_create(float scale, unsigned flags);
 bool window_create_from_handle(void *handle, float scale, unsigned flags);
 void window_destroy();
 void window_reload();
 int window_frame_begin();
 void window_frame_end();
 void window_frame_swap();
 int window_swap();
 void window_loop(void (*function)(void* loopArg), void* loopArg );
 void window_loop_exit();
 void window_title(const char *title);
 void window_color(unsigned color);
 char window_msaa();
 vec2 window_canvas();
 void* window_handle();
 char* window_stats();
 uint64_t window_frame();
 int window_width();
 int window_height();
 double window_time();
 double window_delta();
 void window_focus();
 int window_has_focus();
 void window_fullscreen(int mode);
 int window_has_fullscreen();
 void window_cursor(int visible);
 int window_has_cursor();
 void window_pause(int paused);
 int window_has_pause();
 void window_visible(int visible);
 int window_has_visible();
 void window_maximize(int enabled);
 int window_has_maximize();
 void window_set_resolution(int width, int height);
 void window_transparent(int enabled);
 int window_has_transparent();
 void window_icon(const char *file_icon);
 int window_has_icon();
 void window_debug(int visible);
 int window_has_debug();
 double window_aspect();
 void window_aspect_lock(unsigned numer, unsigned denom);
 void window_aspect_unlock();
 double window_fps();
 double window_fps_target();
 void window_fps_lock(float fps);
 void window_fps_unlock();
 void window_fps_vsync(int vsync);
 void window_screenshot(const char* outfile_png);
 int window_record(const char *outfile_mp4);
 vec2 window_dpi();
enum CURSOR_SHAPES {
    CURSOR_NONE,
    CURSOR_HW_ARROW,
    CURSOR_HW_IBEAM,
    CURSOR_HW_HDRAG,
    CURSOR_HW_VDRAG,
    CURSOR_HW_HAND,
    CURSOR_HW_CROSS,
    CURSOR_SW_AUTO,
};
 void window_cursor_shape(unsigned shape);
 const char *window_clipboard();
 void window_setclipboard(const char *text);
typedef struct editor_bind_t {
    const char *command;
    const char *bindings;
    void (*fn)();
} editor_bind_t;
 void editor_addbind(editor_bind_t bind);
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_open_map_t;  editor_open_map_t *editor_open_map();  int editor_open(const void *obj);  void editor_setopen(const void *obj, int value);  void editor_altopen(const void *obj);  void editor_noopen(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_selected_map_t;  editor_selected_map_t *editor_selected_map();  int editor_selected(const void *obj);  void editor_setselected(const void *obj, int value);  void editor_altselected(const void *obj);  void editor_noselected(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_changed_map_t;  editor_changed_map_t *editor_changed_map();  int editor_changed(const void *obj);  void editor_setchanged(const void *obj, int value);  void editor_altchanged(const void *obj);  void editor_nochanged(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_popup_map_t;  editor_popup_map_t *editor_popup_map();  int editor_popup(const void *obj);  void editor_setpopup(const void *obj, int value);  void editor_altpopup(const void *obj);  void editor_nopopup(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_bookmarked_map_t;  editor_bookmarked_map_t *editor_bookmarked_map();  int editor_bookmarked(const void *obj);  void editor_setbookmarked(const void *obj, int value);  void editor_altbookmarked(const void *obj);  void editor_nobookmarked(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_visible_map_t;  editor_visible_map_t *editor_visible_map();  int editor_visible(const void *obj);  void editor_setvisible(const void *obj, int value);  void editor_altvisible(const void *obj);  void editor_novisible(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_script_map_t;  editor_script_map_t *editor_script_map();  int editor_script(const void *obj);  void editor_setscript(const void *obj, int value);  void editor_altscript(const void *obj);  void editor_noscript(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_event_map_t;  editor_event_map_t *editor_event_map();  int editor_event(const void *obj);  void editor_setevent(const void *obj, int value);  void editor_altevent(const void *obj);  void editor_noevent(void *obj);;
typedef struct { map base; struct { pair p; void* key; char* val; } tmp, *ptr; char** tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_iconinstance_map_t;  editor_iconinstance_map_t *editor_iconinstance_map();  char* editor_iconinstance(const void *obj);  void editor_seticoninstance(const void *obj, char* value);  void editor_alticoninstance(const void *obj);  void editor_noiconinstance(void *obj);;
typedef struct { map base; struct { pair p; void* key; char* val; } tmp, *ptr; char** tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_iconclass_map_t;  editor_iconclass_map_t *editor_iconclass_map();  char* editor_iconclass(const void *obj);  void editor_seticonclass(const void *obj, char* value);  void editor_alticonclass(const void *obj);  void editor_noiconclass(void *obj);;
typedef struct { map base; struct { pair p; void* key; int val; } tmp, *ptr; int* tmpval; int (*typed_cmp)(void*, void*); uint64_t (*typed_hash)(void*); } * editor_treeoffsety_map_t;  editor_treeoffsety_map_t *editor_treeoffsety_map();  int editor_treeoffsety(const void *obj);  void editor_settreeoffsety(const void *obj, int value);  void editor_alttreeoffsety(const void *obj);  void editor_notreeoffsety(void *obj);;
 void editor_destroy_properties(void *o);
 void editor_load_on_boot(void);
 void editor_save_on_quit(void);
enum EDITOR_MODE {
    EDITOR_PANEL,
    EDITOR_WINDOW,
    EDITOR_WINDOW_NK,
    EDITOR_WINDOW_NK_SMALL,
};
 int editor_begin(const char *title, int mode);
 int editor_end(int mode);
 int editor_filter();
 void editor_select(const char *mask);
 void editor_unselect();
 void editor_select_aabb(aabb box);
 void editor_selectgroup(obj *first, obj *last);
 void* editor_first_selected();
 void* editor_last_selected();
 void editor_addtoworld(obj *o);
 void editor_watch(const void *o);
 void* editor_spawn(const char *ini);
 void editor_spawn1();
 void editor_destroy_selected();
 void editor_inspect(obj *o);
 vec3 editor_pick(float mouse_x, float mouse_y);
 char* editor_path(const char *path);
 void editor_setmouse(int x, int y);
 vec2 editor_glyph(int x, int y, const char *style, unsigned codepoint);
 vec2 editor_glyphs(int x, int y, const char *style, const char *utf8);
 void editor_gizmos(int dim);
 int editor_send(const char *cmd);
 const char* editor_recv(int jobid, double timeout_ss);
 void editor_pump();
 void editor_frame( void (*game)(unsigned, float, double) );
 float* engine_getf(const char *key);
 int* engine_geti(const char *key);
 char** engine_gets(const char *key);
 int engine_send(const char *cmd, const char *optional_value);
 int ui_engine();
]])
local _M = {}
function _M.vec2(x,y)
   local v = ffi.new("union vec2")
   v.x = x
   v.y = y
   return v
end
function _M.vec3(x,y,z)
   local v = ffi.new("union vec3")
   v.x = x
   v.y = y
   v.z = z
   return v
end
function _M.vec4(x,y,z,w)
   local v = ffi.new("union vec4")
   v.x = x
   v.y = y
   v.z = z
   v.w = w
   return v
end
function _M.quat(x,y,z,w)
   local q = ffi.new("union quat")
   v.x = x
   v.y = y
   v.z = z
   v.w = w
   return q
end
function _M.mat44()
   local m = ffi.new("float [16]")
   return m
end

local engine = ffi.load("engine")

return setmetatable( _M, {
   __index = function( table, key )
      return engine[ key ]
   end
} )