ncurses 5.5

[ncurses.git] / test / worm.c

diff --git a/test/worm.c b/test/worm.c
index ceb4f980070e675d3987d0eced274c3ac2f901b5..3840a3630378dd45783f427fe7a930e6eaeec09f 100644 (file)
--- a/test/worm.c
+++ b/test/worm.c
@@ -34,26 +34,21 @@ Options:
   traces will be dumped.  The program stops and waits for one character of
   input at the beginning and end of the interval.
 
   traces will be dumped.  The program stops and waits for one character of
   input at the beginning and end of the interval.
 

-  $Id: worm.c,v 1.21 1998/01/30 10:17:59 tom Exp $
+  $Id: worm.c,v 1.39 2005/08/20 20:26:29 tom Exp $

 */
 
 #include <test.priv.h>
 
 */
 
 #include <test.priv.h>
 

-#include <term.h>      /* for tparm() */
-
-#include <signal.h>
-
-#define cursor(col,row) move(row,col)
-
-short *ref[128];
-static chtype flavor[]={
-    'O' , '*', '#', '$', '%', '0', '@',
+static chtype flavor[] =
+{
+    'O', '*', '#', '$', '%', '0', '@',

 };
 };

-#define MAXWORMS       (sizeof(flavor)/sizeof(chtype))
-static const short xinc[]={
-     1,  1,  1,  0, -1, -1, -1,  0
-}, yinc[]={
-    -1,  0,  1,  1,  1,  0, -1, -1
+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;
 };
 static struct worm {
     int orientation, head;


@@ -61,12 +56,13 @@ static struct worm {
 } worm[40];
 
 static const char *field;
 } worm[40];
 
 static const char *field;

-static int length=16, number=3;
-static chtype trail=' ';
+static int length = 16, number = 3;
+static chtype trail = ' ';

 
 #ifdef TRACE
 
 #ifdef TRACE

-int generation, trace_start, trace_end, singlestep;
+static int generation, trace_start, trace_end, singlestep;

 #endif /* TRACE */
 #endif /* TRACE */

+/* *INDENT-OFF* */

 static const struct options {
     int nopts;
     int opts[3];
 static const struct options {
     int nopts;
     int opts[3];


@@ -152,64 +148,91 @@ static const struct options {
     { 0, { 0, 0, 0 } },
     { 0, { 0, 0, 0 } }
 };
     { 0, { 0, 0, 0 } },
     { 0, { 0, 0, 0 } }
 };

+/* *INDENT-ON* */

 
 

-static RETSIGTYPE onsig(int sig);
-static float ranf(void);
+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[])
 {
 
 int
 main(int argc, char *argv[])
 {

-int x, y;
-int n;
-struct worm *w;
-const struct options *op;
-int h;
-short *ip;
-int last, bottom;
-
-    for (x=1;x<argc;x++) {
-               register 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);
-                               return 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);
-                               return EXIT_FAILURE;
-                   }
-                   break;
-               case 't':
-                   trail='.';
-                   break;
+    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
 #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;
+       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 */
 #endif /* TRACE */

-               default:
-               usage:
-                   fprintf(stderr, "usage: %s [-field] [-length #] [-number #] [-trail]\n",*argv);
-                   return EXIT_FAILURE;
-                   break;
-               }
+       default:
+         usage:
+           fprintf(stderr,
+                   "usage: %s [-field] [-length #] [-number #] [-trail]\n", *argv);
+           ExitProgram(EXIT_FAILURE);
+       }

     }
 
     signal(SIGINT, onsig);
     }
 
     signal(SIGINT, onsig);


@@ -220,152 +243,185 @@ int last, bottom;
 
     curs_set(0);
 
 
     curs_set(0);
 

-    bottom = LINES-1;
-    last = COLS-1;
+    bottom = LINES - 1;
+    last = COLS - 1;

 
 #ifdef A_COLOR
 
 #ifdef A_COLOR

-    if (has_colors())
-    {
+    if (has_colors()) {

        int bg = COLOR_BLACK;
        start_color();
        int bg = COLOR_BLACK;
        start_color();

-#ifdef NCURSES_VERSION
+#if HAVE_USE_DEFAULT_COLORS

        if (use_default_colors() == OK)
            bg = -1;
 #endif
        if (use_default_colors() == OK)
            bg = -1;
 #endif

- 
-       init_pair(COLOR_GREEN,   COLOR_GREEN,   bg);
-       init_pair(COLOR_RED,     COLOR_RED,     bg);
-       init_pair(COLOR_CYAN,    COLOR_CYAN,    bg);
-       init_pair(COLOR_WHITE,   COLOR_WHITE,   bg);
-       init_pair(COLOR_MAGENTA, COLOR_MAGENTA, bg);
-       init_pair(COLOR_BLUE,    COLOR_BLUE,    bg);
-       init_pair(COLOR_YELLOW,  COLOR_YELLOW,  bg);
-
-       flavor[0] |= COLOR_PAIR(COLOR_GREEN)   | A_BOLD;
-       flavor[1] |= COLOR_PAIR(COLOR_RED)     | A_BOLD;
-       flavor[2] |= COLOR_PAIR(COLOR_CYAN)    | A_BOLD;
-       flavor[3] |= COLOR_PAIR(COLOR_WHITE)   | A_BOLD;
-       flavor[4] |= COLOR_PAIR(COLOR_MAGENTA) | A_BOLD;
-       flavor[5] |= COLOR_PAIR(COLOR_BLUE)    | A_BOLD;
-       flavor[6] |= COLOR_PAIR(COLOR_YELLOW)  | A_BOLD;
+
+#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 */
 
     }
 #endif /* A_COLOR */
 

-    ip=(short *)malloc(LINES*COLS*sizeof (short));
-
-    for (n=0;n<LINES;) {
-               ref[n++]=ip; ip+=COLS;
+    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;
+       }

     }
     }

-    for (ip=ref[0],n=LINES*COLS;--n>=0;) *ip++=0;

 
 #ifdef BADCORNER
     /* if addressing the lower right corner doesn't work in your curses */
 
 #ifdef BADCORNER
     /* if addressing the lower right corner doesn't work in your curses */

-    ref[bottom][last]=1;
+    ref[bottom][last] = 1;

 #endif /* BADCORNER */
 
 #endif /* BADCORNER */
 

-    for (n=number, w= &worm[0];--n>=0;w++) {
-               w->orientation=w->head=0;
-               if (!(ip=(short *)malloc((length+1)*sizeof (short)))) {
-                   fprintf(stderr,"%s: out of memory\n",*argv);
-                   return EXIT_FAILURE;
-               }
-               w->xpos=ip;
-               for (x=length;--x>=0;) *ip++ = -1;
-               if (!(ip=(short *)malloc((length+1)*sizeof (short)))) {
-                   fprintf(stderr,"%s: out of memory\n",*argv);
-                   return EXIT_FAILURE;
-               }
-               w->ypos=ip;
-               for (y=length;--y>=0;) *ip++ = -1;
+    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) {
     }
     if (field) {

-               register const char *p;
-               p=field;
-               for (y=bottom;--y>=0;) {
-                   for (x=COLS;--x>=0;) {
-                               addch((chtype)(*p++));
-                               if (!*p) p=field;
-                   }
-            addch('\n');
-        }
+       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();
     refresh();

+#ifndef TRACE
+    nodelay(stdscr, TRUE);
+#endif

 
     for (;;) {
 #ifdef TRACE
 
     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 (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;

                    }
                    }

-
-                   if (singlestep && generation > trace_start && generation < trace_end)
-                       getch();
-
-                   generation++;
+                   last = COLS - 1;

                }
                }

-#endif /* TRACE */
-
-               for (n=0,w= &worm[0];n<number;n++,w++) {
-                   if ((x=w->xpos[h=w->head])<0) {
-                               cursor(x=w->xpos[h]=0,y=w->ypos[h]=bottom);
-                               addch(flavor[n % MAXWORMS]);
-                               ref[y][x]++;
+               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;

                    }
                    }

-                   else y=w->ypos[h];
-                   if (++h==length) h=0;
-                   if (w->xpos[w->head=h]>=0) {
-                               register int x1, y1;
-                               x1=w->xpos[h]; y1=w->ypos[h];
-                               if (--ref[y1][x1]==0) {
-                                   cursor(x1,y1); 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:
-                               refresh();
-                               curs_set(1);
-                               endwin();
-                               return EXIT_SUCCESS;
-                   case 1:
-                               w->orientation=op->opts[0];
-                               break;
-                   default:
-                               w->orientation=op->opts[(int)(ranf()*(float)op->nopts)];
-                   }
-                   cursor(x+=xinc[w->orientation], y+=yinc[w->orientation]);
-
-                   if (y < 0 ) y = 0;
-                   addch(flavor[n % MAXWORMS]);
-                   ref[w->ypos[h]=y][w->xpos[h]=x]++;
+                   bottom = LINES - 1;

                }
                }

-               refresh();
-    }
-}
+           }
+#endif
+           /*
+            * Make it simple to put this into single-step mode, or resume
+            * normal operation -T.Dickey
+            */
+           if (ch == 'q') {
+               cleanup();
+               ExitProgram(EXIT_SUCCESS);
+           } else if (ch == 's') {
+               nodelay(stdscr, FALSE);
+           } else if (ch == ' ') {
+               nodelay(stdscr, TRUE);
+           }
+       }
+#endif /* TRACE */

 
 

-static RETSIGTYPE
-onsig(int sig GCC_UNUSED)
-{
-       standend();
+       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();
        refresh();

-       curs_set(1);
-       endwin();
-       exit(EXIT_FAILURE);
-}
-
-static float
-ranf(void)
-{
-float rv;
-long r = rand();
-
-    r &= 077777;
-    rv =((float)r/32767.);
-    return rv;
+    }

 }
 }