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Diffstat (limited to 'ncurses-5.3/test/worm.c')
| -rw-r--r-- | ncurses-5.3/test/worm.c | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/ncurses-5.3/test/worm.c b/ncurses-5.3/test/worm.c new file mode 100644 index 0000000..4fd8cf5 --- /dev/null +++ b/ncurses-5.3/test/worm.c @@ -0,0 +1,427 @@ +/* + + @@@ @@@ @@@@@@@@@@ @@@@@@@@@@@ @@@@@@@@@@@@ + @@@ @@@ @@@@@@@@@@@@ @@@@@@@@@@@@ @@@@@@@@@@@@@ + @@@ @@@ @@@@ @@@@ @@@@ @@@@ @@@ @@@@ + @@@ @@ @@@ @@@ @@@ @@@ @@@ @@@ @@@ + @@@ @@@@ @@@ @@@ @@@ @@@ @@@ @@@ @@@ + @@@@ @@@@ @@@@ @@@ @@@ @@@ @@@ @@@ @@@ + @@@@@@@@@@@@ @@@@ @@@@ @@@ @@@ @@@ @@@ + @@@@ @@@@ @@@@@@@@@@@@ @@@ @@@ @@@ @@@ + @@ @@ @@@@@@@@@@ @@@ @@@ @@@ @@@ + + Eric P. Scott + Caltech High Energy Physics + October, 1980 + + Hacks to turn this into a test frame for cursor movement: + Eric S. Raymond <esr@snark.thyrsus.com> + January, 1995 + + July 1995 (esr): worms is now in living color! :-) + +Options: + -f fill screen with copies of 'WORM' at start. + -l <n> set worm length + -n <n> set number of worms + -t make worms leave droppings + -T <start> <end> set trace interval + -S set single-stepping during trace interval + -N suppress cursor-movement optimization + + This program makes a good torture-test for the ncurses cursor-optimization + code. You can use -T to set the worm move interval over which movement + traces will be dumped. The program stops and waits for one character of + input at the beginning and end of the interval. + + $Id$ +*/ + +#include <test.priv.h> + +static chtype flavor[] = +{ + 'O', '*', '#', '$', '%', '0', '@', +}; +static const short xinc[] = +{ + 1, 1, 1, 0, -1, -1, -1, 0 +}, yinc[] = +{ + -1, 0, 1, 1, 1, 0, -1, -1 +}; +static struct worm { + int orientation, head; + short *xpos, *ypos; +} worm[40]; + +static const char *field; +static int length = 16, number = 3; +static chtype trail = ' '; + +#ifdef TRACE +int generation, trace_start, trace_end, singlestep; +#endif /* TRACE */ +/* *INDENT-OFF* */ +static const struct options { + int nopts; + int opts[3]; +} normal[8]={ + { 3, { 7, 0, 1 } }, + { 3, { 0, 1, 2 } }, + { 3, { 1, 2, 3 } }, + { 3, { 2, 3, 4 } }, + { 3, { 3, 4, 5 } }, + { 3, { 4, 5, 6 } }, + { 3, { 5, 6, 7 } }, + { 3, { 6, 7, 0 } } +}, upper[8]={ + { 1, { 1, 0, 0 } }, + { 2, { 1, 2, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 2, { 4, 5, 0 } }, + { 1, { 5, 0, 0 } }, + { 2, { 1, 5, 0 } } +}, left[8]={ + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 2, { 2, 3, 0 } }, + { 1, { 3, 0, 0 } }, + { 2, { 3, 7, 0 } }, + { 1, { 7, 0, 0 } }, + { 2, { 7, 0, 0 } } +}, right[8]={ + { 1, { 7, 0, 0 } }, + { 2, { 3, 7, 0 } }, + { 1, { 3, 0, 0 } }, + { 2, { 3, 4, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 2, { 6, 7, 0 } } +}, lower[8]={ + { 0, { 0, 0, 0 } }, + { 2, { 0, 1, 0 } }, + { 1, { 1, 0, 0 } }, + { 2, { 1, 5, 0 } }, + { 1, { 5, 0, 0 } }, + { 2, { 5, 6, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } } +}, upleft[8]={ + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 1, { 3, 0, 0 } }, + { 2, { 1, 3, 0 } }, + { 1, { 1, 0, 0 } } +}, upright[8]={ + { 2, { 3, 5, 0 } }, + { 1, { 3, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 1, { 5, 0, 0 } } +}, lowleft[8]={ + { 3, { 7, 0, 1 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 1, { 1, 0, 0 } }, + { 2, { 1, 7, 0 } }, + { 1, { 7, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } } +}, lowright[8]={ + { 0, { 0, 0, 0 } }, + { 1, { 7, 0, 0 } }, + { 2, { 5, 7, 0 } }, + { 1, { 5, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } }, + { 0, { 0, 0, 0 } } +}; +/* *INDENT-ON* */ + +static void +cleanup(void) +{ + standend(); + refresh(); + curs_set(1); + endwin(); +} + +static RETSIGTYPE +onsig(int sig GCC_UNUSED) +{ + cleanup(); + ExitProgram(EXIT_FAILURE); +} + +static float +ranf(void) +{ + long r = (rand() & 077777); + return ((float) r / 32768.); +} + +int +main(int argc, char *argv[]) +{ + short **ref; + int x, y; + int n; + struct worm *w; + const struct options *op; + int h; + short *ip; + int last, bottom; + + setlocale(LC_ALL, ""); + + for (x = 1; x < argc; x++) { + char *p; + p = argv[x]; + if (*p == '-') + p++; + switch (*p) { + case 'f': + field = "WORM"; + break; + case 'l': + if (++x == argc) + goto usage; + if ((length = atoi(argv[x])) < 2 || length > 1024) { + fprintf(stderr, "%s: Invalid length\n", *argv); + ExitProgram(EXIT_FAILURE); + } + break; + case 'n': + if (++x == argc) + goto usage; + if ((number = atoi(argv[x])) < 1 || number > 40) { + fprintf(stderr, "%s: Invalid number of worms\n", *argv); + ExitProgram(EXIT_FAILURE); + } + break; + case 't': + trail = '.'; + break; +#ifdef TRACE + case 'S': + singlestep = TRUE; + break; + case 'T': + trace_start = atoi(argv[++x]); + trace_end = atoi(argv[++x]); + break; + case 'N': + _nc_optimize_enable ^= OPTIMIZE_ALL; /* declared by ncurses */ + break; +#endif /* TRACE */ + default: + usage: + fprintf(stderr, + "usage: %s [-field] [-length #] [-number #] [-trail]\n", *argv); + ExitProgram(EXIT_FAILURE); + } + } + + signal(SIGINT, onsig); + initscr(); + noecho(); + cbreak(); + nonl(); + + curs_set(0); + + bottom = LINES - 1; + last = COLS - 1; + +#ifdef A_COLOR + if (has_colors()) { + int bg = COLOR_BLACK; + start_color(); +#if HAVE_USE_DEFAULT_COLORS + if (use_default_colors() == OK) + bg = -1; +#endif + +#define SET_COLOR(num, fg) \ + init_pair(num+1, fg, bg); \ + flavor[num] |= COLOR_PAIR(num+1) | A_BOLD + + SET_COLOR(0, COLOR_GREEN); + SET_COLOR(1, COLOR_RED); + SET_COLOR(2, COLOR_CYAN); + SET_COLOR(3, COLOR_WHITE); + SET_COLOR(4, COLOR_MAGENTA); + SET_COLOR(5, COLOR_BLUE); + SET_COLOR(6, COLOR_YELLOW); + } +#endif /* A_COLOR */ + + ref = typeMalloc(short *, LINES); + for (y = 0; y < LINES; y++) { + ref[y] = typeMalloc(short, COLS); + for (x = 0; x < COLS; x++) { + ref[y][x] = 0; + } + } + +#ifdef BADCORNER + /* if addressing the lower right corner doesn't work in your curses */ + ref[bottom][last] = 1; +#endif /* BADCORNER */ + + for (n = number, w = &worm[0]; --n >= 0; w++) { + w->orientation = w->head = 0; + if (!(ip = typeMalloc(short, (length + 1)))) { + fprintf(stderr, "%s: out of memory\n", *argv); + ExitProgram(EXIT_FAILURE); + } + w->xpos = ip; + for (x = length; --x >= 0;) + *ip++ = -1; + if (!(ip = typeMalloc(short, (length + 1)))) { + fprintf(stderr, "%s: out of memory\n", *argv); + ExitProgram(EXIT_FAILURE); + } + w->ypos = ip; + for (y = length; --y >= 0;) + *ip++ = -1; + } + if (field) { + const char *p; + p = field; + for (y = bottom; --y >= 0;) { + for (x = COLS; --x >= 0;) { + addch((chtype) (*p++)); + if (!*p) + p = field; + } + } + } + napms(10); + refresh(); +#ifndef TRACE + nodelay(stdscr, TRUE); +#endif + + for (;;) { +#ifdef TRACE + if (trace_start || trace_end) { + if (generation == trace_start) { + trace(TRACE_CALLS); + getch(); + } else if (generation == trace_end) { + trace(0); + getch(); + } + + if (singlestep && generation > trace_start && generation < trace_end) + getch(); + + generation++; + } +#else + int ch; + + if ((ch = getch()) > 0) { +#ifdef KEY_RESIZE + if (ch == KEY_RESIZE) { + if (last != COLS - 1) { + for (y = 0; y <= bottom; y++) { + ref[y] = typeRealloc(short, COLS, ref[y]); + for (x = last + 1; x < COLS; x++) + ref[y][x] = 0; + } + last = COLS - 1; + } + if (bottom != LINES - 1) { + for (y = LINES; y <= bottom; y++) + free(ref[y]); + ref = typeRealloc(short *, LINES, ref); + for (y = bottom + 1; y < LINES; y++) { + ref[y] = typeMalloc(short, COLS); + for (x = 0; x < COLS; x++) + ref[y][x] = 0; + } + bottom = LINES - 1; + } + } +#endif + /* + * Make it simple to put this into single-step mode, or resume + * normal operation -TD + */ + if (ch == 'q') { + cleanup(); + ExitProgram(EXIT_SUCCESS); + } else if (ch == 's') { + nodelay(stdscr, FALSE); + } else if (ch == ' ') { + nodelay(stdscr, TRUE); + } + } +#endif /* TRACE */ + + for (n = 0, w = &worm[0]; n < number; n++, w++) { + if ((x = w->xpos[h = w->head]) < 0) { + move(y = w->ypos[h] = bottom, x = w->xpos[h] = 0); + addch(flavor[n % SIZEOF(flavor)]); + ref[y][x]++; + } else { + y = w->ypos[h]; + } + if (x > last) + x = last; + if (y > bottom) + y = bottom; + if (++h == length) + h = 0; + if (w->xpos[w->head = h] >= 0) { + int x1, y1; + x1 = w->xpos[h]; + y1 = w->ypos[h]; + if (y1 < LINES + && x1 < COLS + && --ref[y1][x1] == 0) { + move(y1, x1); + addch(trail); + } + } + op = &(x == 0 ? (y == 0 ? upleft : (y == bottom ? lowleft : + left)) : + (x == last ? (y == 0 ? upright : (y == bottom ? lowright : + right)) : + (y == 0 ? upper : (y == bottom ? lower : normal))))[w->orientation]; + switch (op->nopts) { + case 0: + cleanup(); + ExitProgram(EXIT_SUCCESS); + case 1: + w->orientation = op->opts[0]; + break; + default: + w->orientation = op->opts[(int) (ranf() * (float) op->nopts)]; + } + move(y += yinc[w->orientation], x += xinc[w->orientation]); + + if (y < 0) + y = 0; + addch(flavor[n % SIZEOF(flavor)]); + ref[w->ypos[h] = y][w->xpos[h] = x]++; + } + napms(10); + refresh(); + } +} |