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#include "hanoi.h"
int main(int argc, char **argv)
{
bool solve_arg = false;
t_tower towers[3];
size_t disk_num = 3;
if (argc >= 2)
if (sscanf(argv[1], "%lu", &disk_num) != 1 || disk_num > MAX_HEIGHT - 1)
{
fprintf(stderr, "%s: error: `%s` is not a valid number of disk", argv[0], argv[1]);
return (1);
}
towers_init(towers, disk_num);
if (argc == 3 && strcmp(argv[2], "-s") == 0)
solve_arg = true;
initscr();
noecho();
cbreak();
keypad(stdscr, TRUE);
curs_set(0);
int width, height;
getmaxyx(stdscr, height, width);
(void)height;
int win_width = width / 3;
WINDOW *wins[3];
refresh();
for (int i = 0; i < 3; i++)
{
if ((wins[i] = newwin(0, win_width, 0, i * win_width)) == NULL)
abort();
}
if (!solve_arg)
{
enum e_mode mode = MODE_SELECT_FROM;
int from_selection = 0;
int current = 0;
bool running = true;
while (running)
{
for (int i = 0; i < 3; i++)
{
enum e_highlight highlight = HIGHLIGHT_NONE;
if (mode == MODE_SELECT_TO && i == from_selection)
highlight |= HIGHLIGHT_FROM;
if (i == current)
highlight |= HIGHLIGHT_CURRENT;
tower_put(&towers[i], wins[i], highlight);
}
if (towers[0].len == 0 &&
towers[1].len == 0)
break;
int c;
c = getch();
switch (c)
{
case 'q':
running = false;
break;
case 'j':
case KEY_LEFT:
current--;
break;
case 'k':
case KEY_RIGHT:
current++;
break;
case '\n':
if (mode == MODE_SELECT_FROM)
{
if (towers[current].len == 0)
mvprintw(0, 0, "Tower %d is empty");
else
{
from_selection = current;
mode = MODE_SELECT_TO;
}
}
else if (mode == MODE_SELECT_TO)
{
if (!towers[current].len == 0 &&
tower_peek(&towers[current]) < tower_peek(&towers[from_selection]))
{
mvprintw(0, 0, "Top disk of %d is smaller than top disk of %d",
current, from_selection);
}
else
towers_move(towers, from_selection, current);
mode = MODE_SELECT_FROM;
}
break;
}
if (current < 0)
current = 2;
else if (current > 2)
current = 0;
}
}
else
solve(towers, wins, disk_num, 0, 1, 2);
mvaddstr(0, 0, "FINISHED: press any key to quit");
getch();
for (int i = 0; i < 3; i++)
delwin(wins[3]);
endwin();
return 0;
}
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