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/*
* $Id: firework.c,v 1.11 1997/11/01 19:36:25 tom Exp $
*/
#include <test.priv.h>
#include <term.h> /* for tparm() */
#include <signal.h>
#include <ctype.h>
#include <time.h>
static int get_colour(chtype *);
static void explode(int row, int col);
static void showit(void);
static RETSIGTYPE onsig(int sig);
static int my_bg = COLOR_BLACK;
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();
if (has_colors()) {
start_color();
#ifdef NCURSES_VERSION
if (use_default_colors() == OK)
my_bg = -1;
#endif
}
curs_set(0);
seed = time((time_t *)0);
srand(seed);
cbreak();
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();
}
}
static RETSIGTYPE
onsig(int n GCC_UNUSED)
{
curs_set(1);
endwin();
exit(EXIT_FAILURE);
}
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,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, 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, 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, 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, col-2," ");
mvprintw(row+1,col-2,"# #");
mvprintw(row+2,col-2," # # ");
showit();
}
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
showit(void)
{
refresh();
napms(120);
}
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