prototyped an interactive menu (Linux)

#include <stdio.h>

#include <termios.h> // for registering raw keypresses, as in menus

#include <unistd.h> // for STDIN_FILENO, used with termios

#include "dicelogic.h"

#include "utils.h"

	clear_screen();

	printf("yaht.c\n");

	printf("\n\n\n"); // new menu would erase game name otherwise

	// set terminal to raw mode for registering keypresses without need to press Enter

	struct termios old_terminal_configuration, new_terminal_configuration;

	tcgetattr(STDIN_FILENO, &old_terminal_configuration);

	new_terminal_configuration = old_terminal_configuration;

	new_terminal_configuration.c_lflag &= ~ICANON & ~ECHO & ~ISIG; // disables canonical input, echo, signals

	tcsetattr(STDIN_FILENO, TCSANOW, &new_terminal_configuration); // apply settings to terminal

	typedef struct {

		char *title;

	} menu_item;

	const unsigned int num_menu_items = 2; // lowercase because this will be calculated in more dynamic code

	menu_item items[num_menu_items];

	items[0].title = "New game";

	items[1].title = "Exit";

	int choice = -1;

	unsigned int hovered_choice = 0;

	// menu logic! TODO make this cross platform (play nice with Windows...)

	do {

		// return cursor to menu position

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

			printf("\033[A"); // move cursor up one line

			printf("\033[2K"); // clear entire line

		}

		// print menu items, showing selection

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

			if (i == hovered_choice) {

				printf("> ");

			}

			printf("%s\n", items[i].title);

		}

		char key_pressed = (char)getchar(); // with terminal settings above, this will no longer wait for Enter key; note that Enter key is handled with \n case

		// handle arrow keys todo fix this

		// if (key_pressed == '\033') {

		// 	char which_arrow = (char)getchar();

		// 	switch (which_arrow) {

		// 	case 'B':

		// 		key_pressed = 'j';

		// 		break;

		// 	case 'A':

		// 		key_pressed = 'k';

		// 		break;

		// 	default:

		// 		break;

		// 	}

		// }

		switch (key_pressed) {

		case 'j':

		case 'J':

		case 's':

		case 'S':

			if (hovered_choice < num_menu_items - 1) {

				hovered_choice++;

			}

			break;

		case 'k':

		case 'K':

		case 'w':

		case 'W':

			if (hovered_choice > 0) {

				hovered_choice--;

			}

			break;

		case '\n':

			choice = (int)hovered_choice;

			break;

		default:

			break;

		}

	} while (choice == -1);

	// un-hold all dice

	clear_held_values(&ctx);

	// do_demo_dice_rolls(&ctx, next_roll); // uncomment if you want to see a little demo

	switch (choice) {

		case 0: // new game

			do_demo_dice_rolls(&ctx, next_roll);

			break;

	default:

		break;

	}

	fclose(ctx.random_device_fd);

	return 0;

}