games/atc/graphics.c

   1 /*-
   2  * Copyright (c) 1990, 1993
   3  *      The Regents of the University of California.  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  * @(#)graphics.c       8.1 (Berkeley) 5/31/93
  37  * $FreeBSD: src/games/atc/graphics.c,v 1.7 1999/11/30 03:48:19 billf Exp $
  38  * $DragonFly: src/games/atc/graphics.c,v 1.2 2003/06/17 04:25:22 dillon Exp $
  39  */
  40
  41 /*
  42  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
  43  *
  44  * Copy permission is hereby granted provided that this notice is
  45  * retained on all partial or complete copies.
  46  *
  47  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
  48  */
  49
  50 #include <string.h>
  51 #include "include.h"
  52 #ifdef SYSV
  53 #include <errno.h>
  54 #endif
  55
  56 #define C_TOPBOTTOM             '-'
  57 #define C_LEFTRIGHT             '|'
  58 #define C_AIRPORT               '='
  59 #define C_LINE                  '+'
  60 #define C_BACKROUND             '.'
  61 #define C_BEACON                '*'
  62 #define C_CREDIT                '*'
  63
  64 WINDOW  *radar, *cleanradar, *credit, *input, *planes;
  65
  66 getAChar()
  67 {
  68 #ifdef BSD
  69         return (getchar());
  70 #endif
  71 #ifdef SYSV
  72         int c;
  73
  74         while ((c = getchar()) == -1 && errno == EINTR) ;
  75         return(c);
  76 #endif
  77 }
  78
  79 erase_all()
  80 {
  81         PLANE   *pp;
  82
  83         for (pp = air.head; pp != NULL; pp = pp->next) {
  84                 wmove(cleanradar, pp->ypos, pp->xpos * 2);
  85                 wmove(radar, pp->ypos, pp->xpos * 2);
  86                 waddch(radar, winch(cleanradar));
  87                 wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
  88                 wmove(radar, pp->ypos, pp->xpos * 2 + 1);
  89                 waddch(radar, winch(cleanradar));
  90         }
  91 }
  92
  93 draw_all()
  94 {
  95         PLANE   *pp;
  96
  97         for (pp = air.head; pp != NULL; pp = pp->next) {
  98                 if (pp->status == S_MARKED)
  99                         wstandout(radar);
 100                 wmove(radar, pp->ypos, pp->xpos * 2);
 101                 waddch(radar, name(pp));
 102                 waddch(radar, '0' + pp->altitude);
 103                 if (pp->status == S_MARKED)
 104                         wstandend(radar);
 105         }
 106         wrefresh(radar);
 107         planewin();
 108         wrefresh(input);                /* return cursor */
 109         fflush(stdout);
 110 }
 111
 112 init_gr()
 113 {
 114         static char     buffer[BUFSIZ];
 115
 116         initscr();
 117         setbuf(stdout, buffer);
 118         input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
 119         credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
 120                 COLS - PLANE_COLS);
 121         planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
 122 }
 123
 124 setup_screen(scp)
 125         const C_SCREEN  *scp;
 126 {
 127         int             i, j;
 128         char            str[3];
 129         const char      *airstr;
 130
 131         str[2] = '\0';
 132
 133         if (radar != NULL)
 134                 delwin(radar);
 135         radar = newwin(scp->height, scp->width * 2, 0, 0);
 136
 137         if (cleanradar != NULL)
 138                 delwin(cleanradar);
 139         cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
 140
 141         /* minus one here to prevent a scroll */
 142         for (i = 0; i < PLANE_COLS - 1; i++) {
 143                 wmove(credit, 0, i);
 144                 waddch(credit, C_CREDIT);
 145                 wmove(credit, INPUT_LINES - 1, i);
 146                 waddch(credit, C_CREDIT);
 147         }
 148         wmove(credit, INPUT_LINES / 2, 1);
 149         waddstr(credit, AUTHOR_STR);
 150
 151         for (i = 1; i < scp->height - 1; i++) {
 152                 for (j = 1; j < scp->width - 1; j++) {
 153                         wmove(radar, i, j * 2);
 154                         waddch(radar, C_BACKROUND);
 155                 }
 156         }
 157
 158         /*
 159          * Draw the lines first, since people like to draw lines
 160          * through beacons and exit points.
 161          */
 162         str[0] = C_LINE;
 163         for (i = 0; i < scp->num_lines; i++) {
 164                 str[1] = ' ';
 165                 draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
 166                         scp->line[i].p2.x, scp->line[i].p2.y, str);
 167         }
 168
 169         str[0] = C_TOPBOTTOM;
 170         str[1] = C_TOPBOTTOM;
 171         wmove(radar, 0, 0);
 172         for (i = 0; i < scp->width - 1; i++)
 173                 waddstr(radar, str);
 174         waddch(radar, C_TOPBOTTOM);
 175
 176         str[0] = C_TOPBOTTOM;
 177         str[1] = C_TOPBOTTOM;
 178         wmove(radar, scp->height - 1, 0);
 179         for (i = 0; i < scp->width - 1; i++)
 180                 waddstr(radar, str);
 181         waddch(radar, C_TOPBOTTOM);
 182
 183         for (i = 1; i < scp->height - 1; i++) {
 184                 wmove(radar, i, 0);
 185                 waddch(radar, C_LEFTRIGHT);
 186                 wmove(radar, i, (scp->width - 1) * 2);
 187                 waddch(radar, C_LEFTRIGHT);
 188         }
 189
 190         str[0] = C_BEACON;
 191         for (i = 0; i < scp->num_beacons; i++) {
 192                 str[1] = '0' + i;
 193                 wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
 194                 waddstr(radar, str);
 195         }
 196
 197         for (i = 0; i < scp->num_exits; i++) {
 198                 wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
 199                 waddch(radar, '0' + i);
 200         }
 201
 202         airstr = "^?>?v?<?";
 203         for (i = 0; i < scp->num_airports; i++) {
 204                 str[0] = airstr[scp->airport[i].dir];
 205                 str[1] = '0' + i;
 206                 wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
 207                 waddstr(radar, str);
 208         }
 209
 210         overwrite(radar, cleanradar);
 211         wrefresh(radar);
 212         wrefresh(credit);
 213         fflush(stdout);
 214 }
 215
 216 draw_line(w, x, y, lx, ly, s)
 217         WINDOW          *w;
 218         int             x, y, lx, ly;
 219         const char      *s;
 220 {
 221         int     dx, dy;
 222
 223         dx = SGN(lx - x);
 224         dy = SGN(ly - y);
 225         for (;;) {
 226                 wmove(w, y, x * 2);
 227                 waddstr(w, s);
 228                 if (x == lx && y == ly)
 229                         break;
 230                 x += dx;
 231                 y += dy;
 232         }
 233 }
 234
 235 ioclrtoeol(pos)
 236 {
 237         wmove(input, 0, pos);
 238         wclrtoeol(input);
 239         wrefresh(input);
 240         fflush(stdout);
 241 }
 242
 243 iomove(pos)
 244 {
 245         wmove(input, 0, pos);
 246         wrefresh(input);
 247         fflush(stdout);
 248 }
 249
 250 ioaddstr(pos, str)
 251         const char      *str;
 252 {
 253         wmove(input, 0, pos);
 254         waddstr(input, str);
 255         wrefresh(input);
 256         fflush(stdout);
 257 }
 258
 259 ioclrtobot()
 260 {
 261         wclrtobot(input);
 262         wrefresh(input);
 263         fflush(stdout);
 264 }
 265
 266 ioerror(pos, len, str)
 267         const char      *str;
 268 {
 269         int     i;
 270
 271         wmove(input, 1, pos);
 272         for (i = 0; i < len; i++)
 273                 waddch(input, '^');
 274         wmove(input, 2, 0);
 275         waddstr(input, str);
 276         wrefresh(input);
 277         fflush(stdout);
 278 }
 279
 280 quit()
 281 {
 282         int                     c, y, x;
 283 #ifdef BSD
 284         struct itimerval        itv;
 285 #endif
 286
 287         getyx(input, y, x);
 288         wmove(input, 2, 0);
 289         waddstr(input, "Really quit? (y/n) ");
 290         wclrtobot(input);
 291         wrefresh(input);
 292         fflush(stdout);
 293
 294         c = getchar();
 295         if (c == EOF || c == 'y') {
 296                 /* disable timer */
 297 #ifdef BSD
 298                 itv.it_value.tv_sec = 0;
 299                 itv.it_value.tv_usec = 0;
 300                 setitimer(ITIMER_REAL, &itv, NULL);
 301 #endif
 302 #ifdef SYSV
 303                 alarm(0);
 304 #endif
 305                 fflush(stdout);
 306                 clear();
 307                 refresh();
 308                 endwin();
 309                 log_score(0);
 310                 exit(0);
 311         }
 312         wmove(input, 2, 0);
 313         wclrtobot(input);
 314         wmove(input, y, x);
 315         wrefresh(input);
 316         fflush(stdout);
 317         return;
 318 }
 319
 320 planewin()
 321 {
 322         PLANE   *pp;
 323         char    *command();
 324         int     warning = 0;
 325
 326 #ifdef BSD
 327         wclear(planes);
 328 #endif
 329
 330         wmove(planes, 0,0);
 331
 332 #ifdef SYSV
 333         wclrtobot(planes);
 334 #endif
 335         wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
 336         wmove(planes, 2, 0);
 337
 338         waddstr(planes, "pl dt  comm");
 339         for (pp = air.head; pp != NULL; pp = pp->next) {
 340                 if (waddch(planes, '\n') == ERR) {
 341                         warning++;
 342                         break;
 343                 }
 344                 waddstr(planes, command(pp));
 345         }
 346         waddch(planes, '\n');
 347         for (pp = ground.head; pp != NULL; pp = pp->next) {
 348                 if (waddch(planes, '\n') == ERR) {
 349                         warning++;
 350                         break;
 351                 }
 352                 waddstr(planes, command(pp));
 353         }
 354         if (warning) {
 355                 wmove(planes, LINES - INPUT_LINES - 1, 0);
 356                 waddstr(planes, "---- more ----");
 357                 wclrtoeol(planes);
 358         }
 359         wrefresh(planes);
 360         fflush(stdout);
 361 }
 362
 363 loser(p, s)
 364         const PLANE     *p;
 365         const char      *s;
 366 {
 367         int                     c;
 368 #ifdef BSD
 369         struct itimerval        itv;
 370 #endif
 371
 372         /* disable timer */
 373 #ifdef BSD
 374         itv.it_value.tv_sec = 0;
 375         itv.it_value.tv_usec = 0;
 376         setitimer(ITIMER_REAL, &itv, NULL);
 377 #endif
 378 #ifdef SYSV
 379         alarm(0);
 380 #endif
 381
 382         wmove(input, 0, 0);
 383         wclrtobot(input);
 384         wprintw(input, "Plane '%c' %s\n\nHit space for top players list...",
 385                 name(p), s);
 386         wrefresh(input);
 387         fflush(stdout);
 388         while ((c = getchar()) != EOF && c != ' ')
 389                 ;
 390         clear();        /* move to top of screen */
 391         refresh();
 392         endwin();
 393         log_score(0);
 394         exit(0);
 395 }
 396
 397 redraw()
 398 {
 399         clear();
 400         refresh();
 401
 402         touchwin(radar);
 403         wrefresh(radar);
 404         touchwin(planes);
 405         wrefresh(planes);
 406         touchwin(credit);
 407         wrefresh(credit);
 408
 409         /* refresh input last to get cursor in right place */
 410         touchwin(input);
 411         wrefresh(input);
 412         fflush(stdout);
 413 }
 414
 415
 416 done_screen()
 417 {
 418         clear();
 419         refresh();
 420         endwin();         /* clean up curses */
 421 }