From 51ba9e5494cb848cd29fa174c0dcea4a5ac96eef Mon Sep 17 00:00:00 2001 From: katherine Date: Thu, 11 Feb 2021 00:41:56 -0700 Subject: wolfrand --- rwalk/src/main.c | 165 ------------------------------------------------------- 1 file changed, 165 deletions(-) delete mode 100644 rwalk/src/main.c (limited to 'rwalk/src') diff --git a/rwalk/src/main.c b/rwalk/src/main.c deleted file mode 100644 index 28592e4..0000000 --- a/rwalk/src/main.c +++ /dev/null @@ -1,165 +0,0 @@ -#include -#include -#include - -#include -#include - -#include - -#define DO_INIT(check, desc) \ - if (!(check)) { \ - fprintf(stderr, "err: can't initialise %s\n", desc); \ - rval = 1; \ - goto done; \ - } - -int main(int argc, char **argv) -{ - int rval = 0; - unsigned goframes; - uint32_t randbytes; - - struct { - uint32_t middle; - uint32_t upper; - uint32_t lower; - } biases[4] = { - /* unbiased */ - { - .middle = 0x80000000, - .upper = 0xc0000000, - .lower = 0x40000000, - }, - /* 1/64 */ - { - .middle = 0x7c000000, - .upper = 0xbe000000, - .lower = 0x3e000000, - }, - /* 1/32 */ - { - .middle = 0x78000000, - .upper = 0xbc000000, - .lower = 0x3c000000, - }, - /* 1/16 */ - { - .middle = 0x70000000, - .upper = 0xb8000000, - .lower = 0x38000000, - } - }; - unsigned setting = 0; - - ALLEGRO_DISPLAY* d = NULL; - ALLEGRO_TIMER* t = NULL; - ALLEGRO_EVENT_QUEUE* eq = NULL; - ALLEGRO_EVENT e; - - float x = 320.0, y = 240.0; - - - DO_INIT(sodium_init() >= 0, "sodium"); - - DO_INIT(al_init(), "allegro"); - DO_INIT(al_init_primitives_addon(), "primitives"); - DO_INIT(al_install_keyboard(), "keyboard"); - - DO_INIT(t = al_create_timer(1.0 / 30.0), "timer"); - DO_INIT(eq = al_create_event_queue(), "event queue"); - - al_set_new_display_option(ALLEGRO_SINGLE_BUFFER, 1, ALLEGRO_REQUIRE); - DO_INIT(d = al_create_display(641, 481), "display"); - - al_register_event_source(eq, al_get_keyboard_event_source()); - al_register_event_source(eq, al_get_display_event_source(d)); - al_register_event_source(eq, al_get_timer_event_source(t)); - - al_clear_to_color(al_map_rgb(0, 0, 0)); - - - goframes = 0; - al_start_timer(t); - while(true) { - al_wait_for_event(eq, &e); - - switch (e.type) { - - case ALLEGRO_EVENT_DISPLAY_CLOSE: - goto done; - - case ALLEGRO_EVENT_KEY_DOWN: - switch(e.keyboard.keycode) { - - case ALLEGRO_KEY_1: - setting = 0; - puts("1"); - break; - - case ALLEGRO_KEY_2: - setting = 1; - puts("2"); - break; - - case ALLEGRO_KEY_3: - setting = 2; - puts("3"); - break; - - case ALLEGRO_KEY_4: - setting = 3; - puts("4"); - break; - - default: - break; - - } - - if (! (e.keyboard.keycode == ALLEGRO_KEY_ENTER) ) - continue; - - goframes = 1000; - case ALLEGRO_EVENT_TIMER: - if (goframes == 0) { - al_flip_display(); - break; - } - - al_draw_filled_rectangle(x, y, x + 1.0, y + 1.0, al_map_rgb(255, 255, 255)); - - randbytes = randombytes_random(); - - if (randbytes >= biases[setting].middle) { - if (randbytes >= biases[setting].upper) - x += 1; - else - y += 1; - } else { - if (randbytes >= biases[setting].lower) - x -= 1; - else - y -= 1; - } - - al_flip_display(); - - goframes--; - if (goframes == 0) - puts("next"); - } - } - - -done: - - if (d) - al_destroy_display(d); - if (t) - al_destroy_timer(t); - if (eq) - al_destroy_event_queue(eq); - - return rval; -} -- cgit v1.2.3