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 * %sccs.include.redist.c%
9 */
10
11 /*
12 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
13 *
14 * Copy permission is hereby granted provided that this notice is
15 * retained on all partial or complete copies.
16 *
17 * For more info on this and all of my stuff, mail edjames@berkeley.edu.
18 */
19
20 #ifndef lint
21 static char sccsid[] = "@(#)graphics.c 8.1 (Berkeley) 05/31/93";
22 #endif /* not lint */
23
24 #include "include.h"
25 #ifdef SYSV
26 #include <errno.h>
27 #endif
28
29 #define C_TOPBOTTOM '-'
30 #define C_LEFTRIGHT '|'
31 #define C_AIRPORT '='
32 #define C_LINE '+'
33 #define C_BACKROUND '.'
34 #define C_BEACON '*'
35 #define C_CREDIT '*'
36
37 WINDOW *radar, *cleanradar, *credit, *input, *planes;
38
getAChar()39 getAChar()
40 {
41 #ifdef BSD
42 return (getchar());
43 #endif
44 #ifdef SYSV
45 int c;
46
47 while ((c = getchar()) == -1 && errno == EINTR) ;
48 return(c);
49 #endif
50 }
51
erase_all()52 erase_all()
53 {
54 PLANE *pp;
55
56 for (pp = air.head; pp != NULL; pp = pp->next) {
57 wmove(cleanradar, pp->ypos, pp->xpos * 2);
58 wmove(radar, pp->ypos, pp->xpos * 2);
59 waddch(radar, winch(cleanradar));
60 wmove(cleanradar, pp->ypos, pp->xpos * 2 + 1);
61 wmove(radar, pp->ypos, pp->xpos * 2 + 1);
62 waddch(radar, winch(cleanradar));
63 }
64 }
65
draw_all()66 draw_all()
67 {
68 PLANE *pp;
69
70 for (pp = air.head; pp != NULL; pp = pp->next) {
71 if (pp->status == S_MARKED)
72 wstandout(radar);
73 wmove(radar, pp->ypos, pp->xpos * 2);
74 waddch(radar, name(pp));
75 waddch(radar, '0' + pp->altitude);
76 if (pp->status == S_MARKED)
77 wstandend(radar);
78 }
79 wrefresh(radar);
80 planewin();
81 wrefresh(input); /* return cursor */
82 fflush(stdout);
83 }
84
init_gr()85 init_gr()
86 {
87 static char buffer[BUFSIZ];
88
89 initscr();
90 setbuf(stdout, buffer);
91 input = newwin(INPUT_LINES, COLS - PLANE_COLS, LINES - INPUT_LINES, 0);
92 credit = newwin(INPUT_LINES, PLANE_COLS, LINES - INPUT_LINES,
93 COLS - PLANE_COLS);
94 planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
95 }
96
setup_screen(scp)97 setup_screen(scp)
98 C_SCREEN *scp;
99 {
100 register int i, j;
101 char str[3], *airstr;
102
103 str[2] = '\0';
104
105 if (radar != NULL)
106 delwin(radar);
107 radar = newwin(scp->height, scp->width * 2, 0, 0);
108
109 if (cleanradar != NULL)
110 delwin(cleanradar);
111 cleanradar = newwin(scp->height, scp->width * 2, 0, 0);
112
113 /* minus one here to prevent a scroll */
114 for (i = 0; i < PLANE_COLS - 1; i++) {
115 wmove(credit, 0, i);
116 waddch(credit, C_CREDIT);
117 wmove(credit, INPUT_LINES - 1, i);
118 waddch(credit, C_CREDIT);
119 }
120 wmove(credit, INPUT_LINES / 2, 1);
121 waddstr(credit, AUTHOR_STR);
122
123 for (i = 1; i < scp->height - 1; i++) {
124 for (j = 1; j < scp->width - 1; j++) {
125 wmove(radar, i, j * 2);
126 waddch(radar, C_BACKROUND);
127 }
128 }
129
130 /*
131 * Draw the lines first, since people like to draw lines
132 * through beacons and exit points.
133 */
134 str[0] = C_LINE;
135 for (i = 0; i < scp->num_lines; i++) {
136 str[1] = ' ';
137 draw_line(radar, scp->line[i].p1.x, scp->line[i].p1.y,
138 scp->line[i].p2.x, scp->line[i].p2.y, str);
139 }
140
141 str[0] = C_TOPBOTTOM;
142 str[1] = C_TOPBOTTOM;
143 wmove(radar, 0, 0);
144 for (i = 0; i < scp->width - 1; i++)
145 waddstr(radar, str);
146 waddch(radar, C_TOPBOTTOM);
147
148 str[0] = C_TOPBOTTOM;
149 str[1] = C_TOPBOTTOM;
150 wmove(radar, scp->height - 1, 0);
151 for (i = 0; i < scp->width - 1; i++)
152 waddstr(radar, str);
153 waddch(radar, C_TOPBOTTOM);
154
155 for (i = 1; i < scp->height - 1; i++) {
156 wmove(radar, i, 0);
157 waddch(radar, C_LEFTRIGHT);
158 wmove(radar, i, (scp->width - 1) * 2);
159 waddch(radar, C_LEFTRIGHT);
160 }
161
162 str[0] = C_BEACON;
163 for (i = 0; i < scp->num_beacons; i++) {
164 str[1] = '0' + i;
165 wmove(radar, scp->beacon[i].y, scp->beacon[i].x * 2);
166 waddstr(radar, str);
167 }
168
169 for (i = 0; i < scp->num_exits; i++) {
170 wmove(radar, scp->exit[i].y, scp->exit[i].x * 2);
171 waddch(radar, '0' + i);
172 }
173
174 airstr = "^?>?v?<?";
175 for (i = 0; i < scp->num_airports; i++) {
176 str[0] = airstr[scp->airport[i].dir];
177 str[1] = '0' + i;
178 wmove(radar, scp->airport[i].y, scp->airport[i].x * 2);
179 waddstr(radar, str);
180 }
181
182 overwrite(radar, cleanradar);
183 wrefresh(radar);
184 wrefresh(credit);
185 fflush(stdout);
186 }
187
draw_line(w,x,y,lx,ly,s)188 draw_line(w, x, y, lx, ly, s)
189 WINDOW *w;
190 char *s;
191 {
192 int dx, dy;
193
194 dx = SGN(lx - x);
195 dy = SGN(ly - y);
196 for (;;) {
197 wmove(w, y, x * 2);
198 waddstr(w, s);
199 if (x == lx && y == ly)
200 break;
201 x += dx;
202 y += dy;
203 }
204 }
205
ioclrtoeol(pos)206 ioclrtoeol(pos)
207 {
208 wmove(input, 0, pos);
209 wclrtoeol(input);
210 wrefresh(input);
211 fflush(stdout);
212 }
213
iomove(pos)214 iomove(pos)
215 {
216 wmove(input, 0, pos);
217 wrefresh(input);
218 fflush(stdout);
219 }
220
ioaddstr(pos,str)221 ioaddstr(pos, str)
222 char *str;
223 {
224 wmove(input, 0, pos);
225 waddstr(input, str);
226 wrefresh(input);
227 fflush(stdout);
228 }
229
ioclrtobot()230 ioclrtobot()
231 {
232 wclrtobot(input);
233 wrefresh(input);
234 fflush(stdout);
235 }
236
ioerror(pos,len,str)237 ioerror(pos, len, str)
238 char *str;
239 {
240 int i;
241
242 wmove(input, 1, pos);
243 for (i = 0; i < len; i++)
244 waddch(input, '^');
245 wmove(input, 2, 0);
246 waddstr(input, str);
247 wrefresh(input);
248 fflush(stdout);
249 }
250
quit()251 quit()
252 {
253 int c, y, x;
254 #ifdef BSD
255 struct itimerval itv;
256 #endif
257
258 getyx(input, y, x);
259 wmove(input, 2, 0);
260 waddstr(input, "Really quit? (y/n) ");
261 wclrtobot(input);
262 wrefresh(input);
263 fflush(stdout);
264
265 c = getchar();
266 if (c == EOF || c == 'y') {
267 /* disable timer */
268 #ifdef BSD
269 itv.it_value.tv_sec = 0;
270 itv.it_value.tv_usec = 0;
271 setitimer(ITIMER_REAL, &itv, NULL);
272 #endif
273 #ifdef SYSV
274 alarm(0);
275 #endif
276 fflush(stdout);
277 clear();
278 refresh();
279 endwin();
280 log_score(0);
281 exit(0);
282 }
283 wmove(input, 2, 0);
284 wclrtobot(input);
285 wmove(input, y, x);
286 wrefresh(input);
287 fflush(stdout);
288 return;
289 }
290
planewin()291 planewin()
292 {
293 PLANE *pp;
294 char *command();
295 int warning = 0;
296
297 #ifdef BSD
298 wclear(planes);
299 #endif
300
301 wmove(planes, 0,0);
302
303 #ifdef SYSV
304 wclrtobot(planes);
305 #endif
306 wprintw(planes, "Time: %-4d Safe: %d", clck, safe_planes);
307 wmove(planes, 2, 0);
308
309 waddstr(planes, "pl dt comm");
310 for (pp = air.head; pp != NULL; pp = pp->next) {
311 if (waddch(planes, '\n') == ERR) {
312 warning++;
313 break;
314 }
315 waddstr(planes, command(pp));
316 }
317 waddch(planes, '\n');
318 for (pp = ground.head; pp != NULL; pp = pp->next) {
319 if (waddch(planes, '\n') == ERR) {
320 warning++;
321 break;
322 }
323 waddstr(planes, command(pp));
324 }
325 if (warning) {
326 wmove(planes, LINES - INPUT_LINES - 1, 0);
327 waddstr(planes, "---- more ----");
328 wclrtoeol(planes);
329 }
330 wrefresh(planes);
331 fflush(stdout);
332 }
333
loser(p,s)334 loser(p, s)
335 PLANE *p;
336 char *s;
337 {
338 int c;
339 #ifdef BSD
340 struct itimerval itv;
341 #endif
342
343 /* disable timer */
344 #ifdef BSD
345 itv.it_value.tv_sec = 0;
346 itv.it_value.tv_usec = 0;
347 setitimer(ITIMER_REAL, &itv, NULL);
348 #endif
349 #ifdef SYSV
350 alarm(0);
351 #endif
352
353 wmove(input, 0, 0);
354 wclrtobot(input);
355 wprintw(input, "Plane '%c' %s\n\nHit space for top players list...",
356 name(p), s);
357 wrefresh(input);
358 fflush(stdout);
359 while ((c = getchar()) != EOF && c != ' ')
360 ;
361 clear(); /* move to top of screen */
362 refresh();
363 endwin();
364 log_score(0);
365 exit(0);
366 }
367
redraw()368 redraw()
369 {
370 clear();
371 refresh();
372
373 touchwin(radar);
374 wrefresh(radar);
375 touchwin(planes);
376 wrefresh(planes);
377 touchwin(credit);
378 wrefresh(credit);
379
380 /* refresh input last to get cursor in right place */
381 touchwin(input);
382 wrefresh(input);
383 fflush(stdout);
384 }
385
386
done_screen()387 done_screen()
388 {
389 clear();
390 refresh();
391 endwin(); /* clean up curses */
392 }
393