atc/graphics.c

   1 /*      $NetBSD: graphics.c,v 1.12 2005/08/10 17:53:28 rpaulo 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 1.12 2005/08/10 17:53:28 rpaulo 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 WINDOW  *radar, *cleanradar, *credit, *input, *planes;
  64
  65 int
  66 getAChar(void)
  67 {
  68         int c;
  69
  70         errno = 0;
  71         while ((c = getchar()) == EOF && errno == EINTR) {
  72                 errno = 0;
  73                 clearerr(stdin);
  74         }
  75         return(c);
  76 }
  77
  78 void
  79 erase_all(void)
  80 {
  81         PLANE   *pp;
  82
  83         for (pp = air.head; pp != NULL; pp = pp->next) {
  84                 (void)wmove(cleanradar, pp->ypos, pp->xpos * 2);
  85                 (void)wmove(radar, pp->ypos, pp->xpos * 2);
  86                 (void)waddch(radar, winch(cleanradar));
  87                 (void)wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
  88                 (void)wmove(radar, pp->ypos, pp->xpos * 2 + 1);
  89                 (void)waddch(radar, winch(cleanradar));
  90         }
  91 }
  92
  93 void
  94 draw_all(void)
  95 {
  96         PLANE   *pp;
  97
  98         for (pp = air.head; pp != NULL; pp = pp->next) {
  99                 if (pp->status == S_MARKED)
 100                         (void)wstandout(radar);
 101                 (void)wmove(radar, pp->ypos, pp->xpos * 2);
 102                 (void)waddch(radar, name(pp));
 103                 (void)waddch(radar, '0' + pp->altitude);
 104                 if (pp->status == S_MARKED)
 105                         (void)wstandend(radar);
 106         }
 107         (void)wrefresh(radar);
 108         (void)planewin();
 109         (void)wrefresh(input);          /* return cursor */
 110         (void)fflush(stdout);
 111 }
 112
 113 void
 114 init_gr(void)
 115 {
 116         static char     buffer[BUFSIZ];
 117
 118         (void)initscr();
 119         setbuf(stdout, buffer);
 120         input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
 121         credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
 122                 COLS - PLANE_COLS);
 123         planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
 124 }
 125
 126 void
 127 setup_screen(const C_SCREEN *scp)
 128 {
 129         int     i, j;
 130         char    str[3];
 131         const char *airstr;
 132
 133         str[2] = '\0';
 134
 135         if (radar != NULL)
 136                 (void)delwin(radar);
 137         radar = newwin(scp->height, scp->width * 2, 0, 0);
 138
 139         if (cleanradar != NULL)
 140                 (void)delwin(cleanradar);
 141         cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
 142
 143         /* minus one here to prevent a scroll */
 144         for (i = 0; i < PLANE_COLS - 1; i++) {
 145                 (void)wmove(credit, 0, i);
 146                 (void)waddch(credit, C_CREDIT);
 147                 (void)wmove(credit, INPUT_LINES - 1, i);
 148                 (void)waddch(credit, C_CREDIT);
 149         }
 150         (void)wmove(credit, INPUT_LINES / 2, 1);
 151         (void)waddstr(credit, AUTHOR_STR);
 152
 153         for (i = 1; i < scp->height - 1; i++) {
 154                 for (j = 1; j < scp->width - 1; j++) {
 155                         (void)wmove(radar, i, j * 2);
 156                         (void)waddch(radar, C_BACKROUND);
 157                 }
 158         }
 159
 160         /*
 161          * Draw the lines first, since people like to draw lines
 162          * through beacons and exit points.
 163          */
 164         str[0] = C_LINE;
 165         for (i = 0; i < scp->num_lines; i++) {
 166                 str[1] = ' ';
 167                 draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
 168                         scp->line[i].p2.x, scp->line[i].p2.y, str);
 169         }
 170
 171         str[0] = C_TOPBOTTOM;
 172         str[1] = C_TOPBOTTOM;
 173         (void)wmove(radar, 0, 0);
 174         for (i = 0; i < scp->width - 1; i++)
 175                 (void)waddstr(radar, str);
 176         (void)waddch(radar, C_TOPBOTTOM);
 177
 178         str[0] = C_TOPBOTTOM;
 179         str[1] = C_TOPBOTTOM;
 180         (void)wmove(radar, scp->height - 1, 0);
 181         for (i = 0; i < scp->width - 1; i++)
 182                 (void)waddstr(radar, str);
 183         (void)waddch(radar, C_TOPBOTTOM);
 184
 185         for (i = 1; i < scp->height - 1; i++) {
 186                 (void)wmove(radar, i, 0);
 187                 (void)waddch(radar, C_LEFTRIGHT);
 188                 (void)wmove(radar, i, (scp->width - 1) * 2);
 189                 (void)waddch(radar, C_LEFTRIGHT);
 190         }
 191
 192         str[0] = C_BEACON;
 193         for (i = 0; i < scp->num_beacons; i++) {
 194                 str[1] = '0' + i;
 195                 (void)wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
 196                 (void)waddstr(radar, str);
 197         }
 198
 199         for (i = 0; i < scp->num_exits; i++) {
 200                 (void)wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
 201                 (void)waddch(radar, '0' + i);
 202         }
 203
 204         airstr = "^?>?v?<?";
 205         for (i = 0; i < scp->num_airports; i++) {
 206                 str[0] = airstr[scp->airport[i].dir];
 207                 str[1] = '0' + i;
 208                 (void)wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
 209                 (void)waddstr(radar, str);
 210         }
 211
 212         (void)overwrite(radar, cleanradar);
 213         (void)wrefresh(radar);
 214         (void)wrefresh(credit);
 215         (void)fflush(stdout);
 216 }
 217
 218 void
 219 draw_line(WINDOW *w, int x, int y, int lx, int ly, const char *s)
 220 {
 221         int     dx, dy;
 222
 223         dx = SGN(lx - x);
 224         dy = SGN(ly - y);
 225         for (;;) {
 226                 (void)wmove(w, y, x * 2);
 227                 (void)waddstr(w, s);
 228                 if (x == lx && y == ly)
 229                         break;
 230                 x += dx;
 231                 y += dy;
 232         }
 233 }
 234
 235 void
 236 ioclrtoeol(int pos)
 237 {
 238         (void)wmove(input, 0, pos);
 239         (void)wclrtoeol(input);
 240         (void)wrefresh(input);
 241         (void)fflush(stdout);
 242 }
 243
 244 void
 245 iomove(int pos)
 246 {
 247         (void)wmove(input, 0, pos);
 248         (void)wrefresh(input);
 249         (void)fflush(stdout);
 250 }
 251
 252 void
 253 ioaddstr(int pos, const char *str)
 254 {
 255         (void)wmove(input, 0, pos);
 256         (void)waddstr(input, str);
 257         (void)wrefresh(input);
 258         (void)fflush(stdout);
 259 }
 260
 261 void
 262 ioclrtobot(void)
 263 {
 264         (void)wclrtobot(input);
 265         (void)wrefresh(input);
 266         (void)fflush(stdout);
 267 }
 268
 269 void
 270 ioerror(int pos, int len, const char *str)
 271 {
 272         int     i;
 273
 274         (void)wmove(input, 1, pos);
 275         for (i = 0; i < len; i++)
 276                 (void)waddch(input, '^');
 277         (void)wmove(input, 2, 0);
 278         (void)waddstr(input, str);
 279         (void)wrefresh(input);
 280         (void)fflush(stdout);
 281 }
 282
 283 /* ARGSUSED */
 284 void
 285 quit(int dummy __attribute__((__unused__)))
 286 {
 287         int                     c, y, x;
 288 #ifdef BSD
 289         struct itimerval        itv;
 290 #endif
 291
 292         getyx(input, y, x);
 293         (void)wmove(input, 2, 0);
 294         (void)waddstr(input, "Really quit? (y/n) ");
 295         (void)wclrtobot(input);
 296         (void)wrefresh(input);
 297         (void)fflush(stdout);
 298
 299         c = getchar();
 300         if (c == EOF || c == 'y') {
 301                 /* disable timer */
 302 #ifdef BSD
 303                 itv.it_value.tv_sec = 0;
 304                 itv.it_value.tv_usec = 0;
 305                 (void)setitimer(ITIMER_REAL, &itv, NULL);
 306 #endif
 307 #ifdef SYSV
 308                 alarm(0);
 309 #endif
 310                 (void)fflush(stdout);
 311                 (void)clear();
 312                 (void)refresh();
 313                 (void)endwin();
 314                 (void)log_score(0);
 315                 exit(0);
 316         }
 317         (void)wmove(input, 2, 0);
 318         (void)wclrtobot(input);
 319         (void)wmove(input, y, x);
 320         (void)wrefresh(input);
 321         (void)fflush(stdout);
 322 }
 323
 324 void
 325 planewin(void)
 326 {
 327         PLANE   *pp;
 328         int     warning = 0;
 329
 330 #ifdef BSD
 331         (void)wclear(planes);
 332 #endif
 333
 334         (void)wmove(planes, 0,0);
 335
 336 #ifdef SYSV
 337         wclrtobot(planes);
 338 #endif
 339         (void)wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
 340         (void)wmove(planes, 2, 0);
 341
 342         (void)waddstr(planes, "pl dt  comm");
 343         for (pp = air.head; pp != NULL; pp = pp->next) {
 344                 if (waddch(planes, '\n') == ERR) {
 345                         warning++;
 346                         break;
 347                 }
 348                 (void)waddstr(planes, command(pp));
 349         }
 350         (void)waddch(planes, '\n');
 351         for (pp = ground.head; pp != NULL; pp = pp->next) {
 352                 if (waddch(planes, '\n') == ERR) {
 353                         warning++;
 354                         break;
 355                 }
 356                 (void)waddstr(planes, command(pp));
 357         }
 358         if (warning) {
 359                 (void)wmove(planes, LINES - INPUT_LINES - 1, 0);
 360                 (void)waddstr(planes, "---- more ----");
 361                 (void)wclrtoeol(planes);
 362         }
 363         (void)wrefresh(planes);
 364         (void)fflush(stdout);
 365 }
 366
 367 void
 368 loser(const PLANE *p, const char *s)
 369 {
 370         int                     c;
 371 #ifdef BSD
 372         struct itimerval        itv;
 373 #endif
 374
 375         /* disable timer */
 376 #ifdef BSD
 377         itv.it_value.tv_sec = 0;
 378         itv.it_value.tv_usec = 0;
 379         (void)setitimer(ITIMER_REAL, &itv, NULL);
 380 #endif
 381 #ifdef SYSV
 382         alarm(0);
 383 #endif
 384
 385         (void)wmove(input, 0, 0);
 386         (void)wclrtobot(input);
 387         /* p may be NULL if we ran out of memory */
 388         if (p == NULL)
 389                 (void)wprintw(input, "%s\n\nHit space for top players list...",
 390                     s);
 391         else
 392                 (void)wprintw(input, "Plane '%c' %s\n\n", name(p), s);
 393                 (void)wprintw(input, "Hit space for top players list...");
 394         (void)wrefresh(input);
 395         (void)fflush(stdout);
 396         while ((c = getchar()) != EOF && c != ' ')
 397                 ;
 398         (void)clear();  /* move to top of screen */
 399         (void)refresh();
 400         (void)endwin();
 401         (void)log_score(0);
 402         exit(0);
 403 }
 404
 405 void
 406 redraw(void)
 407 {
 408         (void)clear();
 409         (void)refresh();
 410
 411         (void)touchwin(radar);
 412         (void)wrefresh(radar);
 413         (void)touchwin(planes);
 414         (void)wrefresh(planes);
 415         (void)touchwin(credit);
 416         (void)wrefresh(credit);
 417
 418         /* refresh input last to get cursor in right place */
 419         (void)touchwin(input);
 420         (void)wrefresh(input);
 421         (void)fflush(stdout);
 422 }
 423
 424 void
 425 done_screen(void)
 426 {
 427         (void)clear();
 428         (void)refresh();
 429         (void)endwin();   /* clean up curses */
 430 }