175 lines
3.5 KiB
C
175 lines
3.5 KiB
C
/*
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* $Id: firework.c,v 1.17 2000/09/02 18:41:12 tom Exp $
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*/
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#include <test.priv.h>
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#include <signal.h>
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#include <time.h>
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static int my_bg = COLOR_BLACK;
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static void
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cleanup(void)
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{
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curs_set(1);
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endwin();
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}
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static RETSIGTYPE
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onsig(int n GCC_UNUSED)
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{
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cleanup();
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exit(EXIT_FAILURE);
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}
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static void
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showit(void)
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{
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int ch;
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napms(120);
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if ((ch = getch()) != ERR) {
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#ifdef KEY_RESIZE
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if (ch == KEY_RESIZE) {
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erase();
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} else
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#endif
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if (ch == 'q') {
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cleanup();
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exit(EXIT_SUCCESS);
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} else if (ch == 's') {
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nodelay(stdscr, FALSE);
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} else if (ch == ' ') {
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nodelay(stdscr, TRUE);
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}
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}
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}
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static
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int
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get_colour(chtype * bold)
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{
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int attr;
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attr = (rand() % 16) + 1;
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*bold = A_NORMAL;
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if (attr > 8) {
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*bold = A_BOLD;
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attr &= 7;
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}
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return (attr);
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}
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static
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void
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explode(int row, int col)
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{
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chtype bold;
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erase();
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mvprintw(row, col, "-");
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showit();
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init_pair(1, get_colour(&bold), my_bg);
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attrset(COLOR_PAIR(1) | bold);
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mvprintw(row - 1, col - 1, " - ");
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mvprintw(row + 0, col - 1, "-+-");
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mvprintw(row + 1, col - 1, " - ");
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showit();
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init_pair(1, get_colour(&bold), my_bg);
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attrset(COLOR_PAIR(1) | bold);
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mvprintw(row - 2, col - 2, " --- ");
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mvprintw(row - 1, col - 2, "-+++-");
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mvprintw(row + 0, col - 2, "-+#+-");
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mvprintw(row + 1, col - 2, "-+++-");
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mvprintw(row + 2, col - 2, " --- ");
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showit();
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init_pair(1, get_colour(&bold), my_bg);
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attrset(COLOR_PAIR(1) | bold);
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mvprintw(row - 2, col - 2, " +++ ");
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mvprintw(row - 1, col - 2, "++#++");
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mvprintw(row + 0, col - 2, "+# #+");
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mvprintw(row + 1, col - 2, "++#++");
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mvprintw(row + 2, col - 2, " +++ ");
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showit();
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init_pair(1, get_colour(&bold), my_bg);
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attrset(COLOR_PAIR(1) | bold);
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mvprintw(row - 2, col - 2, " # ");
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mvprintw(row - 1, col - 2, "## ##");
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mvprintw(row + 0, col - 2, "# #");
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mvprintw(row + 1, col - 2, "## ##");
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mvprintw(row + 2, col - 2, " # ");
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showit();
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init_pair(1, get_colour(&bold), my_bg);
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attrset(COLOR_PAIR(1) | bold);
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mvprintw(row - 2, col - 2, " # # ");
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mvprintw(row - 1, col - 2, "# #");
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mvprintw(row + 0, col - 2, " ");
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mvprintw(row + 1, col - 2, "# #");
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mvprintw(row + 2, col - 2, " # # ");
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showit();
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}
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int
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main(
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int argc GCC_UNUSED,
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char *argv[]GCC_UNUSED)
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{
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int j;
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int start, end, row, diff, flag = 0, direction;
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unsigned seed;
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for (j = SIGHUP; j <= SIGTERM; j++)
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if (signal(j, SIG_IGN) != SIG_IGN)
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signal(j, onsig);
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initscr();
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noecho();
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cbreak();
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keypad(stdscr, TRUE);
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nodelay(stdscr, TRUE);
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if (has_colors()) {
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start_color();
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#if HAVE_USE_DEFAULT_COLORS
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if (use_default_colors() == OK)
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my_bg = -1;
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#endif
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}
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curs_set(0);
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seed = time((time_t *) 0);
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srand(seed);
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for (;;) {
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do {
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start = rand() % (COLS - 3);
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end = rand() % (COLS - 3);
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start = (start < 2) ? 2 : start;
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end = (end < 2) ? 2 : end;
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direction = (start > end) ? -1 : 1;
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diff = abs(start - end);
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} while (diff < 2 || diff >= LINES - 2);
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attrset(A_NORMAL);
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for (row = 0; row < diff; row++) {
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mvprintw(LINES - row, start + (row * direction),
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(direction < 0) ? "\\" : "/");
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if (flag++) {
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showit();
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erase();
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flag = 0;
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}
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}
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if (flag++) {
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showit();
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flag = 0;
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}
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seed = time((time_t *) 0);
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srand(seed);
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explode(LINES - row, start + (diff * direction));
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erase();
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showit();
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}
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}
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