atc/graphics.c

   1 /*      $NetBSD: graphics.c,v 1.16 2009/08/12 04:48:03 dholland Exp $   */
   2
   3 /*-
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Ed James.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 /*
  36  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
  37  *
  38  * Copy permission is hereby granted provided that this notice is
  39  * retained on all partial or complete copies.
  40  *
  41  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
  42  */
  43
  44 #include <sys/cdefs.h>
  45 #ifndef lint
  46 #if 0
  47 static char sccsid[] = "@(#)graphics.c  8.1 (Berkeley) 5/31/93";
  48 #else
  49 __RCSID("$NetBSD: graphics.c,v 1.16 2009/08/12 04:48:03 dholland Exp $");
  50 #endif
  51 #endif /* not lint */
  52
  53 #include "include.h"
  54
  55 #define C_TOPBOTTOM             '-'
  56 #define C_LEFTRIGHT             '|'
  57 #define C_AIRPORT               '='
  58 #define C_LINE                  '+'
  59 #define C_BACKROUND             '.'
  60 #define C_BEACON                '*'
  61 #define C_CREDIT                '*'
  62
  63 static void draw_line(WINDOW *, int, int, int, int, const char *);
  64
  65 static WINDOW *radar, *cleanradar, *credit, *input, *planes;
  66
  67 int
  68 getAChar(void)
  69 {
  70         int c;
  71
  72         errno = 0;
  73         while ((c = getchar()) == EOF && errno == EINTR) {
  74                 errno = 0;
  75                 clearerr(stdin);
  76         }
  77         return(c);
  78 }
  79
  80 void
  81 erase_all(void)
  82 {
  83         PLANE   *pp;
  84
  85         for (pp = air.head; pp != NULL; pp = pp->next) {
  86                 (void)wmove(cleanradar, pp->ypos, pp->xpos * 2);
  87                 (void)wmove(radar, pp->ypos, pp->xpos * 2);
  88                 (void)waddch(radar, winch(cleanradar));
  89                 (void)wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
  90                 (void)wmove(radar, pp->ypos, pp->xpos * 2 + 1);
  91                 (void)waddch(radar, winch(cleanradar));
  92         }
  93 }
  94
  95 void
  96 draw_all(void)
  97 {
  98         PLANE   *pp;
  99
 100         for (pp = air.head; pp != NULL; pp = pp->next) {
 101                 if (pp->status == S_MARKED)
 102                         (void)wstandout(radar);
 103                 (void)wmove(radar, pp->ypos, pp->xpos * 2);
 104                 (void)waddch(radar, name(pp));
 105                 (void)waddch(radar, '0' + pp->altitude);
 106                 if (pp->status == S_MARKED)
 107                         (void)wstandend(radar);
 108         }
 109         (void)wrefresh(radar);
 110         (void)planewin();
 111         (void)wrefresh(input);          /* return cursor */
 112         (void)fflush(stdout);
 113 }
 114
 115 void
 116 init_gr(void)
 117 {
 118         static char     buffer[BUFSIZ];
 119
 120         if (!initscr())
 121                 errx(0, "couldn't initialize screen");
 122         setbuf(stdout, buffer);
 123         input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
 124         credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
 125                 COLS - PLANE_COLS);
 126         planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
 127 }
 128
 129 void
 130 setup_screen(const C_SCREEN *scp)
 131 {
 132         int     i, j;
 133         char    str[3];
 134         const char *airstr;
 135
 136         str[2] = '\0';
 137
 138         if (radar != NULL)
 139                 (void)delwin(radar);
 140         radar = newwin(scp->height, scp->width * 2, 0, 0);
 141
 142         if (cleanradar != NULL)
 143                 (void)delwin(cleanradar);
 144         cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
 145
 146         /* minus one here to prevent a scroll */
 147         for (i = 0; i < PLANE_COLS - 1; i++) {
 148                 (void)wmove(credit, 0, i);
 149                 (void)waddch(credit, C_CREDIT);
 150                 (void)wmove(credit, INPUT_LINES - 1, i);
 151                 (void)waddch(credit, C_CREDIT);
 152         }
 153         (void)wmove(credit, INPUT_LINES / 2, 1);
 154         (void)waddstr(credit, AUTHOR_STR);
 155
 156         for (i = 1; i < scp->height - 1; i++) {
 157                 for (j = 1; j < scp->width - 1; j++) {
 158                         (void)wmove(radar, i, j * 2);
 159                         (void)waddch(radar, C_BACKROUND);
 160                 }
 161         }
 162
 163         /*
 164          * Draw the lines first, since people like to draw lines
 165          * through beacons and exit points.
 166          */
 167         str[0] = C_LINE;
 168         for (i = 0; i < scp->num_lines; i++) {
 169                 str[1] = ' ';
 170                 draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
 171                         scp->line[i].p2.x, scp->line[i].p2.y, str);
 172         }
 173
 174         str[0] = C_TOPBOTTOM;
 175         str[1] = C_TOPBOTTOM;
 176         (void)wmove(radar, 0, 0);
 177         for (i = 0; i < scp->width - 1; i++)
 178                 (void)waddstr(radar, str);
 179         (void)waddch(radar, C_TOPBOTTOM);
 180
 181         str[0] = C_TOPBOTTOM;
 182         str[1] = C_TOPBOTTOM;
 183         (void)wmove(radar, scp->height - 1, 0);
 184         for (i = 0; i < scp->width - 1; i++)
 185                 (void)waddstr(radar, str);
 186         (void)waddch(radar, C_TOPBOTTOM);
 187
 188         for (i = 1; i < scp->height - 1; i++) {
 189                 (void)wmove(radar, i, 0);
 190                 (void)waddch(radar, C_LEFTRIGHT);
 191                 (void)wmove(radar, i, (scp->width - 1) * 2);
 192                 (void)waddch(radar, C_LEFTRIGHT);
 193         }
 194
 195         str[0] = C_BEACON;
 196         for (i = 0; i < scp->num_beacons; i++) {
 197                 str[1] = '0' + i;
 198                 (void)wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
 199                 (void)waddstr(radar, str);
 200         }
 201
 202         for (i = 0; i < scp->num_exits; i++) {
 203                 (void)wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
 204                 (void)waddch(radar, '0' + i);
 205         }
 206
 207         airstr = "^?>?v?<?";
 208         for (i = 0; i < scp->num_airports; i++) {
 209                 str[0] = airstr[scp->airport[i].dir];
 210                 str[1] = '0' + i;
 211                 (void)wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
 212                 (void)waddstr(radar, str);
 213         }
 214
 215         (void)overwrite(radar, cleanradar);
 216         (void)wrefresh(radar);
 217         (void)wrefresh(credit);
 218         (void)fflush(stdout);
 219 }
 220
 221 static void
 222 draw_line(WINDOW *w, int x, int y, int lx, int ly, const char *s)
 223 {
 224         int     dx, dy;
 225
 226         dx = SGN(lx - x);
 227         dy = SGN(ly - y);
 228         for (;;) {
 229                 (void)wmove(w, y, x * 2);
 230                 (void)waddstr(w, s);
 231                 if (x == lx && y == ly)
 232                         break;
 233                 x += dx;
 234                 y += dy;
 235         }
 236 }
 237
 238 void
 239 ioclrtoeol(int pos)
 240 {
 241         (void)wmove(input, 0, pos);
 242         (void)wclrtoeol(input);
 243         (void)wrefresh(input);
 244         (void)fflush(stdout);
 245 }
 246
 247 void
 248 iomove(int pos)
 249 {
 250         (void)wmove(input, 0, pos);
 251         (void)wrefresh(input);
 252         (void)fflush(stdout);
 253 }
 254
 255 void
 256 ioaddstr(int pos, const char *str)
 257 {
 258         (void)wmove(input, 0, pos);
 259         (void)waddstr(input, str);
 260         (void)wrefresh(input);
 261         (void)fflush(stdout);
 262 }
 263
 264 void
 265 ioclrtobot(void)
 266 {
 267         (void)wclrtobot(input);
 268         (void)wrefresh(input);
 269         (void)fflush(stdout);
 270 }
 271
 272 void
 273 ioerror(int pos, int len, const char *str)
 274 {
 275         int     i;
 276
 277         (void)wmove(input, 1, pos);
 278         for (i = 0; i < len; i++)
 279                 (void)waddch(input, '^');
 280         (void)wmove(input, 2, 0);
 281         (void)waddstr(input, str);
 282         (void)wrefresh(input);
 283         (void)fflush(stdout);
 284 }
 285
 286 /* ARGSUSED */
 287 void
 288 quit(int dummy __unused)
 289 {
 290         int                     c, y, x;
 291 #ifdef BSD
 292         struct itimerval        itv;
 293 #endif
 294
 295         getyx(input, y, x);
 296         (void)wmove(input, 2, 0);
 297         (void)waddstr(input, "Really quit? (y/n) ");
 298         (void)wclrtobot(input);
 299         (void)wrefresh(input);
 300         (void)fflush(stdout);
 301
 302         c = getchar();
 303         if (c == EOF || c == 'y') {
 304                 /* disable timer */
 305 #ifdef BSD
 306                 itv.it_value.tv_sec = 0;
 307                 itv.it_value.tv_usec = 0;
 308                 (void)setitimer(ITIMER_REAL, &itv, NULL);
 309 #endif
 310 #ifdef SYSV
 311                 alarm(0);
 312 #endif
 313                 (void)fflush(stdout);
 314                 (void)clear();
 315                 (void)refresh();
 316                 (void)endwin();
 317                 (void)log_score(0);
 318                 exit(0);
 319         }
 320         (void)wmove(input, 2, 0);
 321         (void)wclrtobot(input);
 322         (void)wmove(input, y, x);
 323         (void)wrefresh(input);
 324         (void)fflush(stdout);
 325 }
 326
 327 void
 328 planewin(void)
 329 {
 330         PLANE   *pp;
 331         int     warning = 0;
 332
 333 #ifdef BSD
 334         (void)wclear(planes);
 335 #endif
 336
 337         (void)wmove(planes, 0,0);
 338
 339 #ifdef SYSV
 340         wclrtobot(planes);
 341 #endif
 342         (void)wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
 343         (void)wmove(planes, 2, 0);
 344
 345         (void)waddstr(planes, "pl dt  comm");
 346         for (pp = air.head; pp != NULL; pp = pp->next) {
 347                 if (waddch(planes, '\n') == ERR) {
 348                         warning++;
 349                         break;
 350                 }
 351                 (void)waddstr(planes, command(pp));
 352         }
 353         (void)waddch(planes, '\n');
 354         for (pp = ground.head; pp != NULL; pp = pp->next) {
 355                 if (waddch(planes, '\n') == ERR) {
 356                         warning++;
 357                         break;
 358                 }
 359                 (void)waddstr(planes, command(pp));
 360         }
 361         if (warning) {
 362                 (void)wmove(planes, LINES - INPUT_LINES - 1, 0);
 363                 (void)waddstr(planes, "---- more ----");
 364                 (void)wclrtoeol(planes);
 365         }
 366         (void)wrefresh(planes);
 367         (void)fflush(stdout);
 368 }
 369
 370 void
 371 loser(const PLANE *p, const char *s)
 372 {
 373         int                     c;
 374 #ifdef BSD
 375         struct itimerval        itv;
 376 #endif
 377
 378         /* disable timer */
 379 #ifdef BSD
 380         itv.it_value.tv_sec = 0;
 381         itv.it_value.tv_usec = 0;
 382         (void)setitimer(ITIMER_REAL, &itv, NULL);
 383 #endif
 384 #ifdef SYSV
 385         alarm(0);
 386 #endif
 387
 388         (void)wmove(input, 0, 0);
 389         (void)wclrtobot(input);
 390         /* p may be NULL if we ran out of memory */
 391         if (p == NULL)
 392                 (void)wprintw(input, "%s\n\nHit space for top players list...",
 393                     s);
 394         else {
 395                 (void)wprintw(input, "Plane '%c' %s\n\n", name(p), s);
 396                 (void)wprintw(input, "Hit space for top players list...");
 397         }
 398         (void)wrefresh(input);
 399         (void)fflush(stdout);
 400         while ((c = getchar()) != EOF && c != ' ')
 401                 ;
 402         (void)clear();  /* move to top of screen */
 403         (void)refresh();
 404         (void)endwin();
 405         (void)log_score(0);
 406         exit(0);
 407 }
 408
 409 void
 410 redraw(void)
 411 {
 412         (void)clear();
 413         (void)refresh();
 414
 415         (void)touchwin(radar);
 416         (void)wrefresh(radar);
 417         (void)touchwin(planes);
 418         (void)wrefresh(planes);
 419         (void)touchwin(credit);
 420         (void)wrefresh(credit);
 421
 422         /* refresh input last to get cursor in right place */
 423         (void)touchwin(input);
 424         (void)wrefresh(input);
 425         (void)fflush(stdout);
 426 }
 427
 428 void
 429 done_screen(void)
 430 {
 431         (void)clear();
 432         (void)refresh();
 433         (void)endwin();   /* clean up curses */
 434 }