atc/graphics.c

   1 /*-
   2  * Copyright (c) 1990 The Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Ed James.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 /*
  38  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
  39  *
  40  * Copy permission is hereby granted provided that this notice is
  41  * retained on all partial or complete copies.
  42  *
  43  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
  44  */
  45
  46 #ifndef lint
  47 static char sccsid[] = "@(#)graphics.c  5.3 (Berkeley) 10/30/90";
  48 #endif /* not lint */
  49
  50 #include "include.h"
  51 #ifdef SYSV
  52 #include <errno.h>
  53 #endif
  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 getAChar()
  66 {
  67 #ifdef BSD
  68         return (getchar());
  69 #endif
  70 #ifdef SYSV
  71         int c;
  72
  73         while ((c = getchar()) == -1 && errno == EINTR) ;
  74         return(c);
  75 #endif
  76 }
  77
  78 erase_all()
  79 {
  80         PLANE   *pp;
  81
  82         for (pp = air.head; pp != NULL; pp = pp->next) {
  83                 wmove(cleanradar, pp->ypos, pp->xpos * 2);
  84                 wmove(radar, pp->ypos, pp->xpos * 2);
  85                 waddch(radar, winch(cleanradar));
  86                 wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
  87                 wmove(radar, pp->ypos, pp->xpos * 2 + 1);
  88                 waddch(radar, winch(cleanradar));
  89         }
  90 }
  91
  92 draw_all()
  93 {
  94         PLANE   *pp;
  95
  96         for (pp = air.head; pp != NULL; pp = pp->next) {
  97                 if (pp->status == S_MARKED)
  98                         wstandout(radar);
  99                 wmove(radar, pp->ypos, pp->xpos * 2);
 100                 waddch(radar, name(pp));
 101                 waddch(radar, '0' + pp->altitude);
 102                 if (pp->status == S_MARKED)
 103                         wstandend(radar);
 104         }
 105         wrefresh(radar);
 106         planewin();
 107         wrefresh(input);                /* return cursor */
 108         fflush(stdout);
 109 }
 110
 111 init_gr()
 112 {
 113         static char     buffer[BUFSIZ];
 114
 115         initscr();
 116         setbuf(stdout, buffer);
 117         input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
 118         credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
 119                 COLS - PLANE_COLS);
 120         planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
 121 }
 122
 123 setup_screen(scp)
 124         C_SCREEN        *scp;
 125 {
 126         register int    i, j;
 127         char            str[3], *airstr;
 128
 129         str[2] = '\0';
 130
 131         if (radar != NULL)
 132                 delwin(radar);
 133         radar = newwin(scp->height, scp->width * 2, 0, 0);
 134
 135         if (cleanradar != NULL)
 136                 delwin(cleanradar);
 137         cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
 138
 139         /* minus one here to prevent a scroll */
 140         for (i = 0; i < PLANE_COLS - 1; i++) {
 141                 wmove(credit, 0, i);
 142                 waddch(credit, C_CREDIT);
 143                 wmove(credit, INPUT_LINES - 1, i);
 144                 waddch(credit, C_CREDIT);
 145         }
 146         wmove(credit, INPUT_LINES / 2, 1);
 147         waddstr(credit, AUTHOR_STR);
 148
 149         for (i = 1; i < scp->height - 1; i++) {
 150                 for (j = 1; j < scp->width - 1; j++) {
 151                         wmove(radar, i, j * 2);
 152                         waddch(radar, C_BACKROUND);
 153                 }
 154         }
 155
 156         /*
 157          * Draw the lines first, since people like to draw lines
 158          * through beacons and exit points.
 159          */
 160         str[0] = C_LINE;
 161         for (i = 0; i < scp->num_lines; i++) {
 162                 str[1] = ' ';
 163                 draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
 164                         scp->line[i].p2.x, scp->line[i].p2.y, str);
 165         }
 166
 167         str[0] = C_TOPBOTTOM;
 168         str[1] = C_TOPBOTTOM;
 169         wmove(radar, 0, 0);
 170         for (i = 0; i < scp->width - 1; i++)
 171                 waddstr(radar, str);
 172         waddch(radar, C_TOPBOTTOM);
 173
 174         str[0] = C_TOPBOTTOM;
 175         str[1] = C_TOPBOTTOM;
 176         wmove(radar, scp->height - 1, 0);
 177         for (i = 0; i < scp->width - 1; i++)
 178                 waddstr(radar, str);
 179         waddch(radar, C_TOPBOTTOM);
 180
 181         for (i = 1; i < scp->height - 1; i++) {
 182                 wmove(radar, i, 0);
 183                 waddch(radar, C_LEFTRIGHT);
 184                 wmove(radar, i, (scp->width - 1) * 2);
 185                 waddch(radar, C_LEFTRIGHT);
 186         }
 187
 188         str[0] = C_BEACON;
 189         for (i = 0; i < scp->num_beacons; i++) {
 190                 str[1] = '0' + i;
 191                 wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
 192                 waddstr(radar, str);
 193         }
 194
 195         for (i = 0; i < scp->num_exits; i++) {
 196                 wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
 197                 waddch(radar, '0' + i);
 198         }
 199
 200         airstr = "^?>?v?<?";
 201         for (i = 0; i < scp->num_airports; i++) {
 202                 str[0] = airstr[scp->airport[i].dir];
 203                 str[1] = '0' + i;
 204                 wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
 205                 waddstr(radar, str);
 206         }
 207
 208         overwrite(radar, cleanradar);
 209         wrefresh(radar);
 210         wrefresh(credit);
 211         fflush(stdout);
 212 }
 213
 214 draw_line(w, x, y, lx, ly, s)
 215         WINDOW  *w;
 216         char    *s;
 217 {
 218         int     dx, dy;
 219
 220         dx = SGN(lx - x);
 221         dy = SGN(ly - y);
 222         for (;;) {
 223                 wmove(w, y, x * 2);
 224                 waddstr(w, s);
 225                 if (x == lx && y == ly)
 226                         break;
 227                 x += dx;
 228                 y += dy;
 229         }
 230 }
 231
 232 ioclrtoeol(pos)
 233 {
 234         wmove(input, 0, pos);
 235         wclrtoeol(input);
 236         wrefresh(input);
 237         fflush(stdout);
 238 }
 239
 240 iomove(pos)
 241 {
 242         wmove(input, 0, pos);
 243         wrefresh(input);
 244         fflush(stdout);
 245 }
 246
 247 ioaddstr(pos, str)
 248         char    *str;
 249 {
 250         wmove(input, 0, pos);
 251         waddstr(input, str);
 252         wrefresh(input);
 253         fflush(stdout);
 254 }
 255
 256 ioclrtobot()
 257 {
 258         wclrtobot(input);
 259         wrefresh(input);
 260         fflush(stdout);
 261 }
 262
 263 ioerror(pos, len, str)
 264         char    *str;
 265 {
 266         int     i;
 267
 268         wmove(input, 1, pos);
 269         for (i = 0; i < len; i++)
 270                 waddch(input, '^');
 271         wmove(input, 2, 0);
 272         waddstr(input, str);
 273         wrefresh(input);
 274         fflush(stdout);
 275 }
 276
 277 quit()
 278 {
 279         int                     c, y, x;
 280 #ifdef BSD
 281         struct itimerval        itv;
 282 #endif
 283
 284         getyx(input, y, x);
 285         wmove(input, 2, 0);
 286         waddstr(input, "Really quit? (y/n) ");
 287         wclrtobot(input);
 288         wrefresh(input);
 289         fflush(stdout);
 290
 291         c = getchar();
 292         if (c == EOF || c == 'y') {
 293                 /* disable timer */
 294 #ifdef BSD
 295                 itv.it_value.tv_sec = 0;
 296                 itv.it_value.tv_usec = 0;
 297                 setitimer(ITIMER_REAL, &itv, NULL);
 298 #endif
 299 #ifdef SYSV
 300                 alarm(0);
 301 #endif
 302                 fflush(stdout);
 303                 clear();
 304                 refresh();
 305                 endwin();
 306                 log_score(0);
 307                 exit(0);
 308         }
 309         wmove(input, 2, 0);
 310         wclrtobot(input);
 311         wmove(input, y, x);
 312         wrefresh(input);
 313         fflush(stdout);
 314         return;
 315 }
 316
 317 planewin()
 318 {
 319         PLANE   *pp;
 320         char    *command();
 321         int     warning = 0;
 322
 323 #ifdef BSD
 324         wclear(planes);
 325 #endif
 326
 327         wmove(planes, 0,0);
 328
 329 #ifdef SYSV
 330         wclrtobot(planes);
 331 #endif
 332         wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
 333         wmove(planes, 2, 0);
 334
 335         waddstr(planes, "pl dt  comm");
 336         for (pp = air.head; pp != NULL; pp = pp->next) {
 337                 if (waddch(planes, '\n') == ERR) {
 338                         warning++;
 339                         break;
 340                 }
 341                 waddstr(planes, command(pp));
 342         }
 343         waddch(planes, '\n');
 344         for (pp = ground.head; pp != NULL; pp = pp->next) {
 345                 if (waddch(planes, '\n') == ERR) {
 346                         warning++;
 347                         break;
 348                 }
 349                 waddstr(planes, command(pp));
 350         }
 351         if (warning) {
 352                 wmove(planes, LINES - INPUT_LINES - 1, 0);
 353                 waddstr(planes, "---- more ----");
 354                 wclrtoeol(planes);
 355         }
 356         wrefresh(planes);
 357         fflush(stdout);
 358 }
 359
 360 loser(p, s)
 361         PLANE   *p;
 362         char    *s;
 363 {
 364         int                     c;
 365 #ifdef BSD
 366         struct itimerval        itv;
 367 #endif
 368
 369         /* disable timer */
 370 #ifdef BSD
 371         itv.it_value.tv_sec = 0;
 372         itv.it_value.tv_usec = 0;
 373         setitimer(ITIMER_REAL, &itv, NULL);
 374 #endif
 375 #ifdef SYSV
 376         alarm(0);
 377 #endif
 378
 379         wmove(input, 0, 0);
 380         wclrtobot(input);
 381         wprintw(input, "Plane '%c' %s\n\nHit space for top players list...",
 382                 name(p), s);
 383         wrefresh(input);
 384         fflush(stdout);
 385         while ((c = getchar()) != EOF && c != ' ')
 386                 ;
 387         clear();        /* move to top of screen */
 388         refresh();
 389         endwin();
 390         log_score(0);
 391         exit(0);
 392 }
 393
 394 redraw()
 395 {
 396         clear();
 397         refresh();
 398
 399         touchwin(radar);
 400         wrefresh(radar);
 401         touchwin(planes);
 402         wrefresh(planes);
 403         touchwin(credit);
 404         wrefresh(credit);
 405
 406         /* refresh input last to get cursor in right place */
 407         touchwin(input);
 408         wrefresh(input);
 409         fflush(stdout);
 410 }
 411
 412
 413 done_screen()
 414 {
 415         clear();
 416         refresh();
 417         endwin();         /* clean up curses */
 418 }