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 1.3 2006/08/08 15:03:02 pavalos 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 <stdlib.h>
  51 #include "include.h"
  52 #include <errno.h>
  53
  54 #define C_TOPBOTTOM             '-'
  55 #define C_LEFTRIGHT             '|'
  56 #define C_AIRPORT               '='
  57 #define C_LINE                  '+'
  58 #define C_BACKROUND             '.'
  59 #define C_BEACON                '*'
  60 #define C_CREDIT                '*'
  61
  62 WINDOW  *radar, *cleanradar, *credit, *input, *planes;
  63
  64 static void     draw_line(WINDOW *, int, int, int, int, const char *);
  65
  66
  67 int
  68 getAChar(void)
  69 {
  70         int c;
  71
  72         errno = 0;
  73         while ((c = getchar()) == -1 && 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                 wmove(cleanradar, pp->ypos, pp->xpos * 2);
  87                 wmove(radar, pp->ypos, pp->xpos * 2);
  88                 waddch(radar, winch(cleanradar));
  89                 wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
  90                 wmove(radar, pp->ypos, pp->xpos * 2 + 1);
  91                 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                         wstandout(radar);
 103                 wmove(radar, pp->ypos, pp->xpos * 2);
 104                 waddch(radar, name(pp));
 105                 waddch(radar, '0' + pp->altitude);
 106                 if (pp->status == S_MARKED)
 107                         wstandend(radar);
 108         }
 109         wrefresh(radar);
 110         planewin();
 111         wrefresh(input);                /* return cursor */
 112         fflush(stdout);
 113 }
 114
 115 void
 116 init_gr(void)
 117 {
 118         static char     buffer[BUFSIZ];
 119
 120         initscr();
 121         setbuf(stdout, buffer);
 122         input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
 123         credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
 124                 COLS - PLANE_COLS);
 125         planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
 126 }
 127
 128 void
 129 setup_screen(const C_SCREEN *scp)
 130 {
 131         int             i, j;
 132         char            str[3];
 133         const char      *airstr;
 134
 135         str[2] = '\0';
 136
 137         if (radar != NULL)
 138                 delwin(radar);
 139         radar = newwin(scp->height, scp->width * 2, 0, 0);
 140
 141         if (cleanradar != NULL)
 142                 delwin(cleanradar);
 143         cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
 144
 145         /* minus one here to prevent a scroll */
 146         for (i = 0; i < PLANE_COLS - 1; i++) {
 147                 wmove(credit, 0, i);
 148                 waddch(credit, C_CREDIT);
 149                 wmove(credit, INPUT_LINES - 1, i);
 150                 waddch(credit, C_CREDIT);
 151         }
 152         wmove(credit, INPUT_LINES / 2, 1);
 153         waddstr(credit, AUTHOR_STR);
 154
 155         for (i = 1; i < scp->height - 1; i++) {
 156                 for (j = 1; j < scp->width - 1; j++) {
 157                         wmove(radar, i, j * 2);
 158                         waddch(radar, C_BACKROUND);
 159                 }
 160         }
 161
 162         /*
 163          * Draw the lines first, since people like to draw lines
 164          * through beacons and exit points.
 165          */
 166         str[0] = C_LINE;
 167         for (i = 0; i < scp->num_lines; i++) {
 168                 str[1] = ' ';
 169                 draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
 170                         scp->line[i].p2.x, scp->line[i].p2.y, str);
 171         }
 172
 173         str[0] = C_TOPBOTTOM;
 174         str[1] = C_TOPBOTTOM;
 175         wmove(radar, 0, 0);
 176         for (i = 0; i < scp->width - 1; i++)
 177                 waddstr(radar, str);
 178         waddch(radar, C_TOPBOTTOM);
 179
 180         str[0] = C_TOPBOTTOM;
 181         str[1] = C_TOPBOTTOM;
 182         wmove(radar, scp->height - 1, 0);
 183         for (i = 0; i < scp->width - 1; i++)
 184                 waddstr(radar, str);
 185         waddch(radar, C_TOPBOTTOM);
 186
 187         for (i = 1; i < scp->height - 1; i++) {
 188                 wmove(radar, i, 0);
 189                 waddch(radar, C_LEFTRIGHT);
 190                 wmove(radar, i, (scp->width - 1) * 2);
 191                 waddch(radar, C_LEFTRIGHT);
 192         }
 193
 194         str[0] = C_BEACON;
 195         for (i = 0; i < scp->num_beacons; i++) {
 196                 str[1] = '0' + i;
 197                 wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
 198                 waddstr(radar, str);
 199         }
 200
 201         for (i = 0; i < scp->num_exits; i++) {
 202                 wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
 203                 waddch(radar, '0' + i);
 204         }
 205
 206         airstr = "^?>?v?<?";
 207         for (i = 0; i < scp->num_airports; i++) {
 208                 str[0] = airstr[scp->airport[i].dir];
 209                 str[1] = '0' + i;
 210                 wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
 211                 waddstr(radar, str);
 212         }
 213
 214         overwrite(radar, cleanradar);
 215         wrefresh(radar);
 216         wrefresh(credit);
 217         fflush(stdout);
 218 }
 219
 220 static void
 221 draw_line(WINDOW *w, int x, int y, int lx, int ly, const char *s)
 222 {
 223         int     dx, dy;
 224
 225         dx = SGN(lx - x);
 226         dy = SGN(ly - y);
 227         for (;;) {
 228                 wmove(w, y, x * 2);
 229                 waddstr(w, s);
 230                 if (x == lx && y == ly)
 231                         break;
 232                 x += dx;
 233                 y += dy;
 234         }
 235 }
 236
 237 void
 238 ioclrtoeol(int pos)
 239 {
 240         wmove(input, 0, pos);
 241         wclrtoeol(input);
 242         wrefresh(input);
 243         fflush(stdout);
 244 }
 245
 246 void
 247 iomove(int pos)
 248 {
 249         wmove(input, 0, pos);
 250         wrefresh(input);
 251         fflush(stdout);
 252 }
 253
 254 void
 255 ioaddstr(int pos, const char *str)
 256 {
 257         wmove(input, 0, pos);
 258         waddstr(input, str);
 259         wrefresh(input);
 260         fflush(stdout);
 261 }
 262
 263 void
 264 ioclrtobot(void)
 265 {
 266         wclrtobot(input);
 267         wrefresh(input);
 268         fflush(stdout);
 269 }
 270
 271 void
 272 ioerror(int pos, int len, const char *str)
 273 {
 274         int     i;
 275
 276         wmove(input, 1, pos);
 277         for (i = 0; i < len; i++)
 278                 waddch(input, '^');
 279         wmove(input, 2, 0);
 280         waddstr(input, str);
 281         wrefresh(input);
 282         fflush(stdout);
 283 }
 284
 285 void
 286 quit(void)
 287 {
 288         int                     c, y, x;
 289         struct itimerval        itv;
 290
 291         getyx(input, y, x);
 292         wmove(input, 2, 0);
 293         waddstr(input, "Really quit? (y/n) ");
 294         wclrtobot(input);
 295         wrefresh(input);
 296         fflush(stdout);
 297
 298         c = getchar();
 299         if (c == EOF || c == 'y') {
 300                 /* disable timer */
 301                 itv.it_value.tv_sec = 0;
 302                 itv.it_value.tv_usec = 0;
 303                 setitimer(ITIMER_REAL, &itv, NULL);
 304                 fflush(stdout);
 305                 clear();
 306                 refresh();
 307                 endwin();
 308                 log_score(0);
 309                 exit(0);
 310         }
 311         wmove(input, 2, 0);
 312         wclrtobot(input);
 313         wmove(input, y, x);
 314         wrefresh(input);
 315         fflush(stdout);
 316         return;
 317 }
 318
 319 void
 320 planewin(void)
 321 {
 322         PLANE   *pp;
 323         int     warning = 0;
 324
 325         wclear(planes);
 326         wmove(planes, 0,0);
 327         wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
 328         wmove(planes, 2, 0);
 329         waddstr(planes, "pl dt  comm");
 330         for (pp = air.head; pp != NULL; pp = pp->next) {
 331                 if (waddch(planes, '\n') == ERR) {
 332                         warning++;
 333                         break;
 334                 }
 335                 waddstr(planes, command(pp));
 336         }
 337         waddch(planes, '\n');
 338         for (pp = ground.head; pp != NULL; pp = pp->next) {
 339                 if (waddch(planes, '\n') == ERR) {
 340                         warning++;
 341                         break;
 342                 }
 343                 waddstr(planes, command(pp));
 344         }
 345         if (warning) {
 346                 wmove(planes, LINES - INPUT_LINES - 1, 0);
 347                 waddstr(planes, "---- more ----");
 348                 wclrtoeol(planes);
 349         }
 350         wrefresh(planes);
 351         fflush(stdout);
 352 }
 353
 354 void
 355 loser(const PLANE *p, const char *s)
 356 {
 357         int                     c;
 358         struct itimerval        itv;
 359
 360         /* disable timer */
 361         itv.it_value.tv_sec = 0;
 362         itv.it_value.tv_usec = 0;
 363         setitimer(ITIMER_REAL, &itv, NULL);
 364
 365         wmove(input, 0, 0);
 366         wclrtobot(input);
 367         wprintw(input, "Plane '%c' %s\n\nHit space for top players list...",
 368                 name(p), s);
 369         wrefresh(input);
 370         fflush(stdout);
 371         while ((c = getchar()) != EOF && c != ' ')
 372                 ;
 373         clear();        /* move to top of screen */
 374         refresh();
 375         endwin();
 376         log_score(0);
 377         exit(0);
 378 }
 379
 380 void
 381 redraw(void)
 382 {
 383         clear();
 384         refresh();
 385
 386         touchwin(radar);
 387         wrefresh(radar);
 388         touchwin(planes);
 389         wrefresh(planes);
 390         touchwin(credit);
 391         wrefresh(credit);
 392
 393         /* refresh input last to get cursor in right place */
 394         touchwin(input);
 395         wrefresh(input);
 396         fflush(stdout);
 397 }
 398
 399 void
 400 done_screen(void)
 401 {
 402         clear();
 403         refresh();
 404         endwin();         /* clean up curses */
 405 }