atc/graphics.c

   1 /*      $NetBSD: graphics.c,v 1.9 1999/09/10 00:16:43 jsm 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. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 /*
  40  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
  41  *
  42  * Copy permission is hereby granted provided that this notice is
  43  * retained on all partial or complete copies.
  44  *
  45  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
  46  */
  47
  48 #include <sys/cdefs.h>
  49 #ifndef lint
  50 #if 0
  51 static char sccsid[] = "@(#)graphics.c  8.1 (Berkeley) 5/31/93";
  52 #else
  53 __RCSID("$NetBSD: graphics.c,v 1.9 1999/09/10 00:16:43 jsm Exp $");
  54 #endif
  55 #endif /* not lint */
  56
  57 #include "include.h"
  58
  59 #define C_TOPBOTTOM             '-'
  60 #define C_LEFTRIGHT             '|'
  61 #define C_AIRPORT               '='
  62 #define C_LINE                  '+'
  63 #define C_BACKROUND             '.'
  64 #define C_BEACON                '*'
  65 #define C_CREDIT                '*'
  66
  67 WINDOW  *radar, *cleanradar, *credit, *input, *planes;
  68
  69 int
  70 getAChar()
  71 {
  72         int c;
  73
  74         errno = 0;
  75         while ((c = getchar()) == EOF && errno == EINTR) {
  76                 errno = 0;
  77                 clearerr(stdin);
  78         }
  79         return(c);
  80 }
  81
  82 void
  83 erase_all()
  84 {
  85         PLANE   *pp;
  86
  87         for (pp = air.head; pp != NULL; pp = pp->next) {
  88                 wmove(cleanradar, pp->ypos, pp->xpos * 2);
  89                 wmove(radar, pp->ypos, pp->xpos * 2);
  90                 waddch(radar, winch(cleanradar));
  91                 wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
  92                 wmove(radar, pp->ypos, pp->xpos * 2 + 1);
  93                 waddch(radar, winch(cleanradar));
  94         }
  95 }
  96
  97 void
  98 draw_all()
  99 {
 100         PLANE   *pp;
 101
 102         for (pp = air.head; pp != NULL; pp = pp->next) {
 103                 if (pp->status == S_MARKED)
 104                         wstandout(radar);
 105                 wmove(radar, pp->ypos, pp->xpos * 2);
 106                 waddch(radar, name(pp));
 107                 waddch(radar, '0' + pp->altitude);
 108                 if (pp->status == S_MARKED)
 109                         wstandend(radar);
 110         }
 111         wrefresh(radar);
 112         planewin();
 113         wrefresh(input);                /* return cursor */
 114         fflush(stdout);
 115 }
 116
 117 void
 118 init_gr()
 119 {
 120         static char     buffer[BUFSIZ];
 121
 122         initscr();
 123         setbuf(stdout, buffer);
 124         input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
 125         credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
 126                 COLS - PLANE_COLS);
 127         planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
 128 }
 129
 130 void
 131 setup_screen(scp)
 132         const C_SCREEN  *scp;
 133 {
 134         int     i, j;
 135         char    str[3];
 136         const char *airstr;
 137
 138         str[2] = '\0';
 139
 140         if (radar != NULL)
 141                 delwin(radar);
 142         radar = newwin(scp->height, scp->width * 2, 0, 0);
 143
 144         if (cleanradar != NULL)
 145                 delwin(cleanradar);
 146         cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
 147
 148         /* minus one here to prevent a scroll */
 149         for (i = 0; i < PLANE_COLS - 1; i++) {
 150                 wmove(credit, 0, i);
 151                 waddch(credit, C_CREDIT);
 152                 wmove(credit, INPUT_LINES - 1, i);
 153                 waddch(credit, C_CREDIT);
 154         }
 155         wmove(credit, INPUT_LINES / 2, 1);
 156         waddstr(credit, AUTHOR_STR);
 157
 158         for (i = 1; i < scp->height - 1; i++) {
 159                 for (j = 1; j < scp->width - 1; j++) {
 160                         wmove(radar, i, j * 2);
 161                         waddch(radar, C_BACKROUND);
 162                 }
 163         }
 164
 165         /*
 166          * Draw the lines first, since people like to draw lines
 167          * through beacons and exit points.
 168          */
 169         str[0] = C_LINE;
 170         for (i = 0; i < scp->num_lines; i++) {
 171                 str[1] = ' ';
 172                 draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
 173                         scp->line[i].p2.x, scp->line[i].p2.y, str);
 174         }
 175
 176         str[0] = C_TOPBOTTOM;
 177         str[1] = C_TOPBOTTOM;
 178         wmove(radar, 0, 0);
 179         for (i = 0; i < scp->width - 1; i++)
 180                 waddstr(radar, str);
 181         waddch(radar, C_TOPBOTTOM);
 182
 183         str[0] = C_TOPBOTTOM;
 184         str[1] = C_TOPBOTTOM;
 185         wmove(radar, scp->height - 1, 0);
 186         for (i = 0; i < scp->width - 1; i++)
 187                 waddstr(radar, str);
 188         waddch(radar, C_TOPBOTTOM);
 189
 190         for (i = 1; i < scp->height - 1; i++) {
 191                 wmove(radar, i, 0);
 192                 waddch(radar, C_LEFTRIGHT);
 193                 wmove(radar, i, (scp->width - 1) * 2);
 194                 waddch(radar, C_LEFTRIGHT);
 195         }
 196
 197         str[0] = C_BEACON;
 198         for (i = 0; i < scp->num_beacons; i++) {
 199                 str[1] = '0' + i;
 200                 wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
 201                 waddstr(radar, str);
 202         }
 203
 204         for (i = 0; i < scp->num_exits; i++) {
 205                 wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
 206                 waddch(radar, '0' + i);
 207         }
 208
 209         airstr = "^?>?v?<?";
 210         for (i = 0; i < scp->num_airports; i++) {
 211                 str[0] = airstr[scp->airport[i].dir];
 212                 str[1] = '0' + i;
 213                 wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
 214                 waddstr(radar, str);
 215         }
 216
 217         overwrite(radar, cleanradar);
 218         wrefresh(radar);
 219         wrefresh(credit);
 220         fflush(stdout);
 221 }
 222
 223 void
 224 draw_line(w, x, y, lx, ly, s)
 225         WINDOW  *w;
 226         int      x, y, lx, ly;
 227         const char      *s;
 228 {
 229         int     dx, dy;
 230
 231         dx = SGN(lx - x);
 232         dy = SGN(ly - y);
 233         for (;;) {
 234                 wmove(w, y, x * 2);
 235                 waddstr(w, s);
 236                 if (x == lx && y == ly)
 237                         break;
 238                 x += dx;
 239                 y += dy;
 240         }
 241 }
 242
 243 void
 244 ioclrtoeol(pos)
 245         int pos;
 246 {
 247         wmove(input, 0, pos);
 248         wclrtoeol(input);
 249         wrefresh(input);
 250         fflush(stdout);
 251 }
 252
 253 void
 254 iomove(pos)
 255         int pos;
 256 {
 257         wmove(input, 0, pos);
 258         wrefresh(input);
 259         fflush(stdout);
 260 }
 261
 262 void
 263 ioaddstr(pos, str)
 264         int      pos;
 265         const char      *str;
 266 {
 267         wmove(input, 0, pos);
 268         waddstr(input, str);
 269         wrefresh(input);
 270         fflush(stdout);
 271 }
 272
 273 void
 274 ioclrtobot()
 275 {
 276         wclrtobot(input);
 277         wrefresh(input);
 278         fflush(stdout);
 279 }
 280
 281 void
 282 ioerror(pos, len, str)
 283         int      pos, len;
 284         const char      *str;
 285 {
 286         int     i;
 287
 288         wmove(input, 1, pos);
 289         for (i = 0; i < len; i++)
 290                 waddch(input, '^');
 291         wmove(input, 2, 0);
 292         waddstr(input, str);
 293         wrefresh(input);
 294         fflush(stdout);
 295 }
 296
 297 void
 298 quit(dummy)
 299         int dummy __attribute__((__unused__));
 300 {
 301         int                     c, y, x;
 302 #ifdef BSD
 303         struct itimerval        itv;
 304 #endif
 305
 306         getyx(input, y, x);
 307         wmove(input, 2, 0);
 308         waddstr(input, "Really quit? (y/n) ");
 309         wclrtobot(input);
 310         wrefresh(input);
 311         fflush(stdout);
 312
 313         c = getchar();
 314         if (c == EOF || c == 'y') {
 315                 /* disable timer */
 316 #ifdef BSD
 317                 itv.it_value.tv_sec = 0;
 318                 itv.it_value.tv_usec = 0;
 319                 setitimer(ITIMER_REAL, &itv, NULL);
 320 #endif
 321 #ifdef SYSV
 322                 alarm(0);
 323 #endif
 324                 fflush(stdout);
 325                 clear();
 326                 refresh();
 327                 endwin();
 328                 log_score(0);
 329                 exit(0);
 330         }
 331         wmove(input, 2, 0);
 332         wclrtobot(input);
 333         wmove(input, y, x);
 334         wrefresh(input);
 335         fflush(stdout);
 336 }
 337
 338 void
 339 planewin()
 340 {
 341         PLANE   *pp;
 342         int     warning = 0;
 343
 344 #ifdef BSD
 345         wclear(planes);
 346 #endif
 347
 348         wmove(planes, 0,0);
 349
 350 #ifdef SYSV
 351         wclrtobot(planes);
 352 #endif
 353         wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
 354         wmove(planes, 2, 0);
 355
 356         waddstr(planes, "pl dt  comm");
 357         for (pp = air.head; pp != NULL; pp = pp->next) {
 358                 if (waddch(planes, '\n') == ERR) {
 359                         warning++;
 360                         break;
 361                 }
 362                 waddstr(planes, command(pp));
 363         }
 364         waddch(planes, '\n');
 365         for (pp = ground.head; pp != NULL; pp = pp->next) {
 366                 if (waddch(planes, '\n') == ERR) {
 367                         warning++;
 368                         break;
 369                 }
 370                 waddstr(planes, command(pp));
 371         }
 372         if (warning) {
 373                 wmove(planes, LINES - INPUT_LINES - 1, 0);
 374                 waddstr(planes, "---- more ----");
 375                 wclrtoeol(planes);
 376         }
 377         wrefresh(planes);
 378         fflush(stdout);
 379 }
 380
 381 void
 382 loser(p, s)
 383         const PLANE     *p;
 384         const char      *s;
 385 {
 386         int                     c;
 387 #ifdef BSD
 388         struct itimerval        itv;
 389 #endif
 390
 391         /* disable timer */
 392 #ifdef BSD
 393         itv.it_value.tv_sec = 0;
 394         itv.it_value.tv_usec = 0;
 395         setitimer(ITIMER_REAL, &itv, NULL);
 396 #endif
 397 #ifdef SYSV
 398         alarm(0);
 399 #endif
 400
 401         wmove(input, 0, 0);
 402         wclrtobot(input);
 403         /* p may be NULL if we ran out of memory */
 404         if (p == NULL)
 405                 wprintw(input, "%s\n\nHit space for top players list...", s);
 406         else
 407                 wprintw(input, "Plane '%c' %s\n\nHit space for top players list...",
 408                         name(p), s);
 409         wrefresh(input);
 410         fflush(stdout);
 411         while ((c = getchar()) != EOF && c != ' ')
 412                 ;
 413         clear();        /* move to top of screen */
 414         refresh();
 415         endwin();
 416         log_score(0);
 417         exit(0);
 418 }
 419
 420 void
 421 redraw()
 422 {
 423         clear();
 424         refresh();
 425
 426         touchwin(radar);
 427         wrefresh(radar);
 428         touchwin(planes);
 429         wrefresh(planes);
 430         touchwin(credit);
 431         wrefresh(credit);
 432
 433         /* refresh input last to get cursor in right place */
 434         touchwin(input);
 435         wrefresh(input);
 436         fflush(stdout);
 437 }
 438
 439 void
 440 done_screen()
 441 {
 442         clear();
 443         refresh();
 444         endwin();         /* clean up curses */
 445 }