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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();
}
}
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