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-rw-r--r--src/main.c82
-rw-r--r--src/tower.c47
2 files changed, 84 insertions, 45 deletions
diff --git a/src/main.c b/src/main.c
index 57b8179..a7ed674 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,10 +1,22 @@
#include "hanoi.h"
-int main()
+int main(int argc, char **argv)
{
+ t_tower towers[3];
+ size_t disk_num = 3;
+ if (argc == 2)
+ if (sscanf(argv[1], "%lu", &disk_num) != 1)
+ {
+ fprintf(stderr, "%s: error: `%s` is not a valid number of disk", argv[0], argv[1]);
+ return (1);
+ }
+ towers_init(towers, disk_num);
+
initscr();
noecho();
cbreak();
+ keypad(stdscr, TRUE);
+ curs_set(0);
int width, height;
getmaxyx(stdscr, height, width);
@@ -13,64 +25,76 @@ int main()
int win_width = width / 3;
WINDOW *wins[3];
+ refresh();
for (int i = 0; i < 3; i++)
{
- refresh();
if ((wins[i] = newwin(0, win_width, 0, i * win_width)) == NULL)
abort();
- box(wins[i], 0, 0);
- /* wrefresh(wins[i]); */
}
- t_tower towers[3];
- towers_init(towers, 3);
-
+ enum e_mode mode = MODE_SELECT_FROM;
int from_selection = 0;
- int to_selection = 1;
- bool mode_from = true;
+ int current = 0;
bool running = true;
while (running)
{
for (int i = 0; i < 3; i++)
{
- int highlight_level = 0;
- if (i == from_selection)
- highlight_level = 1;
- tower_put(&towers[i], wins[i], highlight_level);
+ 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);
}
- char c;
+ int c;
c = getch();
- int selection = mode_from ? from_selection : to_selection;
switch (c)
{
case 'q':
running = false;
break;
case 'j':
- selection--;
+ case KEY_LEFT:
+ current--;
break;
case 'k':
- selection++;
+ case KEY_RIGHT:
+ current++;
break;
case '\n':
- if (mode_from)
- from_selection = selection;
- else
- to_selection = selection;
- if (!mode_from)
- towers_move(towers, from_selection, to_selection);
- mode_from = !mode_from;
+ 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;
}
- selection %= 3;
- mvprintw(0, 0, "%d", selection);
- refresh();
+ if (current < 0)
+ current = 2;
+ else if (current > 2)
+ current = 0;
}
- /* refresh(); */
-
for (int i = 0; i < 3; i++)
delwin(wins[3]);
endwin();
diff --git a/src/tower.c b/src/tower.c
index a92a201..b31eaf7 100644
--- a/src/tower.c
+++ b/src/tower.c
@@ -1,23 +1,28 @@
#include "tower.h"
-static uint8_t st_tower_pop(t_tower tower)
+static uint8_t st_tower_pop(t_tower *tower)
{
- if (tower.len == 0)
+ if (tower->len == 0)
abort();
- uint8_t top = tower.data[tower.len - 1];
- tower.len--;
+ uint8_t top = tower->data[tower->len - 1];
+ tower->len--;
return top;
}
-static void st_tower_push(t_tower tower, uint8_t top)
+static void st_tower_push(t_tower *tower, uint8_t top)
{
- if (tower.len == MAX_HEIGHT)
+ if (tower->len == MAX_HEIGHT)
abort();
- tower.data[tower.len] = top;
- tower.len++;
+ tower->data[tower->len] = top;
+ tower->len++;
}
-void towers_init(t_tower towers[3], size_t disk_num)
+uint8_t tower_peek(t_tower *tower)
+{
+ return (tower->data[tower->len - 1]);
+}
+
+void towers_init(t_tower towers[3], size_t disk_num)
{
memset(towers[0].data, 0, sizeof(t_tower));
memset(towers[1].data, 0, sizeof(t_tower));
@@ -29,28 +34,38 @@ void towers_init(t_tower towers[3], size_t disk_num)
towers[2].len = 0;
}
-void towers_move(t_tower towers[3], size_t from, size_t to)
+void towers_move(t_tower towers[3], size_t from, size_t to)
{
if (from > 2 || to > 2)
abort();
- st_tower_push(towers[to], st_tower_pop(towers[from]));
+ st_tower_push(&towers[to], st_tower_pop(&towers[from]));
}
-void tower_put(t_tower *tower, WINDOW *win, int highlight_level)
+void tower_put(t_tower *tower, WINDOW *win, enum e_highlight highlight_level)
{
int height, width;
getmaxyx(win, height, width);
- if (highlight_level == 1)
- wattron(win, A_BOLD);
+ wclear(win);
+ if (highlight_level & HIGHLIGHT_FROM)
+ mvwaddstr(win, 1, 1, "SELECTED");
+ if (highlight_level & HIGHLIGHT_CURRENT)
+ wattron(win, A_REVERSE);
mvwvline(win, 1, width / 2, '|', height - 2);
for (size_t i = 0; i < tower->len; i++)
{
int disk_width = tower->data[i] * 2 + 1;
+ if (disk_width > width - 2)
+ {
+ disk_width = width - 5;
+ wattron(win, A_BOLD);
+ mvwprintw(win, height - i - 2, 0, "%2d", tower->data[i]);
+ wattroff(win, A_BOLD);
+ }
mvwhline(win, height - i - 2, width / 2 - disk_width / 2, '#', disk_width);
}
- if (highlight_level == 1)
- wattroff(win, A_BOLD);
+ if (highlight_level & HIGHLIGHT_CURRENT)
+ wattroff(win, A_REVERSE);
wrefresh(win);
}