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- /*
- * $Id: firework.c,v 1.20 2002/03/23 21:41:42 tom Exp $
- */
- #include <time.h>
-
- #include <test.priv.h>
-
- static int my_bg = COLOR_BLACK;
-
- static void
- cleanup(void)
- {
- curs_set(1);
- endwin();
- }
-
- static RETSIGTYPE
- onsig(int n GCC_UNUSED)
- {
- cleanup();
- ExitProgram(EXIT_FAILURE);
- }
-
- static void
- showit(void)
- {
- int ch;
- napms(120);
- if ((ch = getch()) != ERR) {
- #ifdef KEY_RESIZE
- if (ch == KEY_RESIZE) {
- erase();
- } else
- #endif
- if (ch == 'q') {
- cleanup();
- ExitProgram(EXIT_SUCCESS);
- } else if (ch == 's') {
- nodelay(stdscr, FALSE);
- } else if (ch == ' ') {
- nodelay(stdscr, TRUE);
- }
- }
- }
-
- static
- int
- get_colour(chtype * bold)
- {
- int attr;
- attr = (rand() % 16) + 1;
-
- *bold = A_NORMAL;
- if (attr > 8) {
- *bold = A_BOLD;
- attr &= 7;
- }
- return (attr);
- }
-
- static
- void
- explode(int row, int col)
- {
- chtype bold;
- erase();
- mvprintw(row, col, "-");
- showit();
-
- init_pair(1, get_colour(&bold), my_bg);
- attrset(COLOR_PAIR(1) | bold);
- mvprintw(row - 1, col - 1, " - ");
- mvprintw(row + 0, col - 1, "-+-");
- mvprintw(row + 1, col - 1, " - ");
- showit();
-
- init_pair(1, get_colour(&bold), my_bg);
- attrset(COLOR_PAIR(1) | bold);
- mvprintw(row - 2, col - 2, " --- ");
- mvprintw(row - 1, col - 2, "-+++-");
- mvprintw(row + 0, col - 2, "-+#+-");
- mvprintw(row + 1, col - 2, "-+++-");
- mvprintw(row + 2, col - 2, " --- ");
- showit();
-
- init_pair(1, get_colour(&bold), my_bg);
- attrset(COLOR_PAIR(1) | bold);
- mvprintw(row - 2, col - 2, " +++ ");
- mvprintw(row - 1, col - 2, "++#++");
- mvprintw(row + 0, col - 2, "+# #+");
- mvprintw(row + 1, col - 2, "++#++");
- mvprintw(row + 2, col - 2, " +++ ");
- showit();
-
- init_pair(1, get_colour(&bold), my_bg);
- attrset(COLOR_PAIR(1) | bold);
- mvprintw(row - 2, col - 2, " # ");
- mvprintw(row - 1, col - 2, "## ##");
- mvprintw(row + 0, col - 2, "# #");
- mvprintw(row + 1, col - 2, "## ##");
- mvprintw(row + 2, col - 2, " # ");
- showit();
-
- init_pair(1, get_colour(&bold), my_bg);
- attrset(COLOR_PAIR(1) | bold);
- mvprintw(row - 2, col - 2, " # # ");
- mvprintw(row - 1, col - 2, "# #");
- mvprintw(row + 0, col - 2, " ");
- mvprintw(row + 1, col - 2, "# #");
- mvprintw(row + 2, col - 2, " # # ");
- showit();
- }
-
- int
- main(
- int argc GCC_UNUSED,
- char *argv[]GCC_UNUSED)
- {
- int j;
- int start, end, row, diff, flag = 0, direction;
- unsigned seed;
-
- for (j = SIGHUP; j <= SIGTERM; j++)
- if (signal(j, SIG_IGN) != SIG_IGN)
- signal(j, onsig);
-
- initscr();
- noecho();
- cbreak();
- keypad(stdscr, TRUE);
- nodelay(stdscr, TRUE);
-
- if (has_colors()) {
- start_color();
- #if HAVE_USE_DEFAULT_COLORS
- if (use_default_colors() == OK)
- my_bg = -1;
- #endif
- }
- curs_set(0);
-
- seed = time((time_t *) 0);
- srand(seed);
- for (;;) {
- do {
- start = rand() % (COLS - 3);
- end = rand() % (COLS - 3);
- start = (start < 2) ? 2 : start;
- end = (end < 2) ? 2 : end;
- direction = (start > end) ? -1 : 1;
- diff = abs(start - end);
- } while (diff < 2 || diff >= LINES - 2);
- attrset(A_NORMAL);
- for (row = 0; row < diff; row++) {
- mvprintw(LINES - row, start + (row * direction),
- (direction < 0) ? "\\" : "/");
- if (flag++) {
- showit();
- erase();
- flag = 0;
- }
- }
- if (flag++) {
- showit();
- flag = 0;
- }
- seed = time((time_t *) 0);
- srand(seed);
- explode(LINES - row, start + (diff * direction));
- erase();
- showit();
- }
- }
-