test/firework.c

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  28 /*
  29  * $Id: firework.c,v 1.24 2006/05/20 15:36:08 tom Exp $
  30  */
  31 #include <test.priv.h>
  32
  33 #include <time.h>
  34
  35 static int my_bg = COLOR_BLACK;
  36
  37 static void
  38 cleanup(void)
  39 {
  40     curs_set(1);
  41     endwin();
  42 }
  43
  44 static RETSIGTYPE
  45 onsig(int n GCC_UNUSED)
  46 {
  47     cleanup();
  48     ExitProgram(EXIT_FAILURE);
  49 }
  50
  51 static void
  52 showit(void)
  53 {
  54     int ch;
  55     napms(120);
  56     if ((ch = getch()) != ERR) {
  57 #ifdef KEY_RESIZE
  58         if (ch == KEY_RESIZE) {
  59             erase();
  60         } else
  61 #endif
  62         if (ch == 'q') {
  63             cleanup();
  64             ExitProgram(EXIT_SUCCESS);
  65         } else if (ch == 's') {
  66             nodelay(stdscr, FALSE);
  67         } else if (ch == ' ') {
  68             nodelay(stdscr, TRUE);
  69         }
  70     }
  71 }
  72
  73 static int
  74 get_colour(chtype *bold)
  75 {
  76     int attr;
  77     attr = (rand() % 16) + 1;
  78
  79     *bold = A_NORMAL;
  80     if (attr > 8) {
  81         *bold = A_BOLD;
  82         attr &= 7;
  83     }
  84     return (attr);
  85 }
  86
  87 static
  88 void
  89 explode(int row, int col)
  90 {
  91     chtype bold;
  92     erase();
  93     mvprintw(row, col, "-");
  94     showit();
  95
  96     init_pair(1, get_colour(&bold), my_bg);
  97     attrset(COLOR_PAIR(1) | bold);
  98     mvprintw(row - 1, col - 1, " - ");
  99     mvprintw(row + 0, col - 1, "-+-");
 100     mvprintw(row + 1, col - 1, " - ");
 101     showit();
 102
 103     init_pair(1, get_colour(&bold), my_bg);
 104     attrset(COLOR_PAIR(1) | bold);
 105     mvprintw(row - 2, col - 2, " --- ");
 106     mvprintw(row - 1, col - 2, "-+++-");
 107     mvprintw(row + 0, col - 2, "-+#+-");
 108     mvprintw(row + 1, col - 2, "-+++-");
 109     mvprintw(row + 2, col - 2, " --- ");
 110     showit();
 111
 112     init_pair(1, get_colour(&bold), my_bg);
 113     attrset(COLOR_PAIR(1) | bold);
 114     mvprintw(row - 2, col - 2, " +++ ");
 115     mvprintw(row - 1, col - 2, "++#++");
 116     mvprintw(row + 0, col - 2, "+# #+");
 117     mvprintw(row + 1, col - 2, "++#++");
 118     mvprintw(row + 2, col - 2, " +++ ");
 119     showit();
 120
 121     init_pair(1, get_colour(&bold), my_bg);
 122     attrset(COLOR_PAIR(1) | bold);
 123     mvprintw(row - 2, col - 2, "  #  ");
 124     mvprintw(row - 1, col - 2, "## ##");
 125     mvprintw(row + 0, col - 2, "#   #");
 126     mvprintw(row + 1, col - 2, "## ##");
 127     mvprintw(row + 2, col - 2, "  #  ");
 128     showit();
 129
 130     init_pair(1, get_colour(&bold), my_bg);
 131     attrset(COLOR_PAIR(1) | bold);
 132     mvprintw(row - 2, col - 2, " # # ");
 133     mvprintw(row - 1, col - 2, "#   #");
 134     mvprintw(row + 0, col - 2, "     ");
 135     mvprintw(row + 1, col - 2, "#   #");
 136     mvprintw(row + 2, col - 2, " # # ");
 137     showit();
 138 }
 139
 140 int
 141 main(
 142         int argc GCC_UNUSED,
 143         char *argv[]GCC_UNUSED)
 144 {
 145     int start, end, row, diff, flag = 0, direction;
 146     unsigned seed;
 147
 148     CATCHALL(onsig);
 149
 150     initscr();
 151     noecho();
 152     cbreak();
 153     keypad(stdscr, TRUE);
 154     nodelay(stdscr, TRUE);
 155
 156     if (has_colors()) {
 157         start_color();
 158 #if HAVE_USE_DEFAULT_COLORS
 159         if (use_default_colors() == OK)
 160             my_bg = -1;
 161 #endif
 162     }
 163     curs_set(0);
 164
 165     seed = time((time_t *) 0);
 166     srand(seed);
 167     for (;;) {
 168         do {
 169             start = rand() % (COLS - 3);
 170             end = rand() % (COLS - 3);
 171             start = (start < 2) ? 2 : start;
 172             end = (end < 2) ? 2 : end;
 173             direction = (start > end) ? -1 : 1;
 174             diff = abs(start - end);
 175         } while (diff < 2 || diff >= LINES - 2);
 176         attrset(A_NORMAL);
 177         for (row = 0; row < diff; row++) {
 178             mvprintw(LINES - row, start + (row * direction),
 179                      (direction < 0) ? "\\" : "/");
 180             if (flag++) {
 181                 showit();
 182                 erase();
 183                 flag = 0;
 184             }
 185         }
 186         if (flag++) {
 187             showit();
 188             flag = 0;
 189         }
 190         seed = time((time_t *) 0);
 191         srand(seed);
 192         explode(LINES - row, start + (diff * direction));
 193         erase();
 194         showit();
 195     }
 196 }