dice animation base logic

#include "graphics.h"

#include <unistd.h> // sleep()

#include <stdlib.h> // malloc()

#include <time.h> // timespec struct

// yaht.c

// Copyright (c) 2025

unsigned int roll_single_die(FILE *urandom_file);

void roll_multiple_dice(game_context *ctx, unsigned int *out_dice_values, int save_in_game_state);

int set_die_held(game_context *ctx, unsigned int index, unsigned int held);

void sleep_ms(unsigned int ms);

int main() {

	 game_context ctx;

	roll_multiple_dice(&ctx, next_roll, 1);

	print_multiple_dice(next_roll, NUM_DICE, 0);

	// do a little dice animation

	for (int i = 0; i < 30; i++) {	

		roll_multiple_dice(&ctx, next_roll, 0);

		print_multiple_dice(next_roll, NUM_DICE, 0);

		sleep_ms(100);

		if (i < 30 - 1) clear_dice();

	}

	fclose(ctx.random_device_fd);

	return 0;

}

	return error;

}

void sleep_ms(unsigned int ms) {

	struct timespec ts;

	ts.tv_sec = ms / 1000;

	ts.tv_nsec = (ms % 1000) * 1000000;

	nanosleep(&ts, NULL);

}