bdisp.c revision 1.29 1 /* $NetBSD: bdisp.c,v 1.29 2022/05/19 16:58:39 rillig Exp $ */
2
3 /*
4 * Copyright (c) 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell.
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 #include <sys/cdefs.h>
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)bdisp.c 8.2 (Berkeley) 5/3/95";
39 #else
40 __RCSID("$NetBSD: bdisp.c,v 1.29 2022/05/19 16:58:39 rillig Exp $");
41 #endif
42 #endif /* not lint */
43
44 #include <curses.h>
45 #include <string.h>
46 #include <stdlib.h>
47 #include <err.h>
48 #include "gomoku.h"
49
50 #define SCRNH 24 /* assume 24 lines for the moment */
51 #define SCRNW 80 /* assume 80 chars for the moment */
52
53 static int lastline;
54 static char pcolor[] = "*O.?";
55
56 /*
57 * Initialize screen display.
58 */
59 void
60 cursinit(void)
61 {
62
63 if (initscr() == NULL) {
64 errx(EXIT_FAILURE, "Couldn't initialize screen");
65 }
66 if ((LINES < SCRNH) || (COLS < SCRNW)) {
67 errx(EXIT_FAILURE, "Screen too small (need %d%xd)",
68 SCRNW, SCRNH);
69 }
70 keypad(stdscr, true);
71 nonl();
72 noecho();
73 cbreak();
74 leaveok(stdscr, false);
75
76 #if 0 /* no mouse support in netbsd curses yet */
77 mousemask(BUTTON1_CLICKED, NULL);
78 #endif
79 }
80
81 /*
82 * Restore screen display.
83 */
84 void
85 cursfini(void)
86 {
87
88 move(BSZ + 4, 0);
89 clrtoeol();
90 refresh();
91 echo();
92 endwin();
93 }
94
95 /*
96 * Initialize board display.
97 */
98 void
99 bdisp_init(void)
100 {
101
102 /* top border */
103 for (int i = 1; i < BSZ + 1; i++) {
104 move(0, 2 * i + 1);
105 addch(letters[i]);
106 }
107 /* left and right edges */
108 for (int j = BSZ + 1; --j > 0; ) {
109 move(20 - j, 0);
110 printw("%2d ", j);
111 move(20 - j, 2 * (BSZ + 1) + 1);
112 printw("%d ", j);
113 }
114 /* bottom border */
115 for (int i = 1; i < BSZ + 1; i++) {
116 move(20, 2 * i + 1);
117 addch(letters[i]);
118 }
119 bdwho(false);
120 move(0, 47);
121 addstr("# black white");
122 lastline = 0;
123 bdisp();
124 }
125
126 /*
127 * Update who is playing whom.
128 */
129 void
130 bdwho(bool update)
131 {
132 int i, j;
133
134 move(21, 0);
135 printw(" ");
136 i = (int)strlen(plyr[BLACK]);
137 j = (int)strlen(plyr[WHITE]);
138 if (i + j <= 20) {
139 move(21, 10 - (i + j) / 2);
140 printw("BLACK/%s (*) vs. WHITE/%s (O)",
141 plyr[BLACK], plyr[WHITE]);
142 } else {
143 move(21, 0);
144 if (i <= 10) {
145 j = 20 - i;
146 } else if (j <= 10) {
147 i = 20 - j;
148 } else {
149 i = j = 10;
150 }
151 printw("BLACK/%.*s (*) vs. WHITE/%.*s (O)",
152 i, plyr[BLACK], j, plyr[WHITE]);
153 }
154 if (update)
155 refresh();
156 }
157
158 /*
159 * Update the board display after a move.
160 */
161 void
162 bdisp(void)
163 {
164 int c;
165 struct spotstr *sp;
166
167 for (int j = BSZ + 1; --j > 0; ) {
168 for (int i = 1; i < BSZ + 1; i++) {
169 move(BSZ + 1 - j, 2 * i + 1);
170 sp = &board[i + j * (BSZ + 1)];
171 if (debug > 1 && sp->s_occ == EMPTY) {
172 if ((sp->s_flags & IFLAGALL) != 0)
173 c = '+';
174 else if ((sp->s_flags & CFLAGALL) != 0)
175 c = '-';
176 else
177 c = '.';
178 } else
179 c = pcolor[sp->s_occ];
180 if (movenum > 1 && movelog[movenum - 2] == PT(i, j)) {
181 attron(A_BOLD);
182 addch(c);
183 attroff(A_BOLD);
184 } else
185 addch(c);
186 }
187 }
188 refresh();
189 }
190
191 #ifdef DEBUG
192 /*
193 * Dump board display to a file.
194 */
195 void
196 bdump(FILE *fp)
197 {
198 int c;
199 struct spotstr *sp;
200
201 /* top border */
202 fprintf(fp, " A B C D E F G H J K L M N O P Q R S T\n");
203
204 for (int j = BSZ + 1; --j > 0; ) {
205 /* left edge */
206 fprintf(fp, "%2d ", j);
207 for (int i = 1; i < BSZ + 1; i++) {
208 sp = &board[i + j * (BSZ + 1)];
209 if (debug > 1 && sp->s_occ == EMPTY) {
210 if ((sp->s_flags & IFLAGALL) != 0)
211 c = '+';
212 else if ((sp->s_flags & CFLAGALL) != 0)
213 c = '-';
214 else
215 c = '.';
216 } else
217 c = pcolor[sp->s_occ];
218 putc(c, fp);
219 putc(' ', fp);
220 }
221 /* right edge */
222 fprintf(fp, "%d\n", j);
223 }
224
225 /* bottom border */
226 fprintf(fp, " A B C D E F G H J K L M N O P Q R S T\n");
227 }
228 #endif /* DEBUG */
229
230 /*
231 * Display a transcript entry
232 */
233 void
234 dislog(const char *str)
235 {
236
237 if (++lastline >= SCRNH - 1) {
238 /* move 'em up */
239 lastline = 1;
240 }
241 move(lastline, TRANSCRIPT_COL);
242 addnstr(str, SCRNW - TRANSCRIPT_COL - 1);
243 clrtoeol();
244 move(lastline + 1, TRANSCRIPT_COL);
245 clrtoeol();
246 }
247
248 /*
249 * Display a question.
250 */
251
252 void
253 ask(const char *str)
254 {
255 int len = (int)strlen(str);
256
257 move(BSZ + 4, 0);
258 addstr(str);
259 clrtoeol();
260 move(BSZ + 4, len);
261 refresh();
262 }
263
264 int
265 get_key(const char *allowed)
266 {
267 int ch;
268
269 for (;;) {
270 ch = getch();
271 if (allowed != NULL &&
272 ch != '\0' && strchr(allowed, ch) == NULL) {
273 beep();
274 refresh();
275 continue;
276 }
277 break;
278 }
279 return ch;
280 }
281
282 bool
283 get_line(char *buf, int size)
284 {
285 char *cp, *end;
286 int c;
287
288 c = 0;
289 cp = buf;
290 end = buf + size - 1; /* save room for the '\0' */
291 while (cp < end && (c = getchar()) != EOF && c != '\n' && c != '\r') {
292 *cp++ = c;
293 if (interactive) {
294 switch (c) {
295 case 0x0c: /* ^L */
296 wrefresh(curscr);
297 cp--;
298 continue;
299 case 0x15: /* ^U */
300 case 0x18: /* ^X */
301 while (cp > buf) {
302 cp--;
303 addch('\b');
304 }
305 clrtoeol();
306 break;
307 case '\b':
308 case 0x7f: /* DEL */
309 if (cp == buf + 1) {
310 cp--;
311 continue;
312 }
313 cp -= 2;
314 addch('\b');
315 c = ' ';
316 /* FALLTHROUGH */
317 default:
318 addch(c);
319 }
320 refresh();
321 }
322 }
323 *cp = '\0';
324 return c != EOF;
325 }
326
327 /*
328 * Decent (n)curses interface for the game, based on Eric S. Raymond's
329 * modifications to the battleship (bs) user interface.
330 */
331 int
332 get_coord(void)
333 {
334 static int curx = BSZ / 2;
335 static int cury = BSZ / 2;
336 int ny, nx, ch;
337
338 BGOTO(cury, curx);
339 refresh();
340 nx = curx;
341 ny = cury;
342 for (;;) {
343 mvprintw(BSZ + 3, (BSZ - 6) / 2, "(%c %d) ",
344 'A' + ((curx > 7) ? (curx + 1) : curx), cury + 1);
345 BGOTO(cury, curx);
346
347 ch = getch();
348 switch (ch) {
349 case 'k':
350 case '8':
351 case KEY_UP:
352 nx = curx;
353 ny = cury + 1;
354 break;
355 case 'j':
356 case '2':
357 case KEY_DOWN:
358 nx = curx;
359 ny = BSZ + cury - 1;
360 break;
361 case 'h':
362 case '4':
363 case KEY_LEFT:
364 nx = BSZ + curx - 1;
365 ny = cury;
366 break;
367 case 'l':
368 case '6':
369 case KEY_RIGHT:
370 nx = curx + 1;
371 ny = cury;
372 break;
373 case 'y':
374 case '7':
375 case KEY_A1:
376 nx = BSZ + curx - 1;
377 ny = cury + 1;
378 break;
379 case 'b':
380 case '1':
381 case KEY_C1:
382 nx = BSZ + curx - 1;
383 ny = BSZ + cury - 1;
384 break;
385 case 'u':
386 case '9':
387 case KEY_A3:
388 nx = curx + 1;
389 ny = cury + 1;
390 break;
391 case 'n':
392 case '3':
393 case KEY_C3:
394 nx = curx + 1;
395 ny = BSZ + cury - 1;
396 break;
397 case 'K':
398 nx = curx;
399 ny = cury + 5;
400 break;
401 case 'J':
402 nx = curx;
403 ny = BSZ + cury - 5;
404 break;
405 case 'H':
406 nx = BSZ + curx - 5;
407 ny = cury;
408 break;
409 case 'L':
410 nx = curx + 5;
411 ny = cury;
412 break;
413 case 'Y':
414 nx = BSZ + curx - 5;
415 ny = cury + 5;
416 break;
417 case 'B':
418 nx = BSZ + curx - 5;
419 ny = BSZ + cury - 5;
420 break;
421 case 'U':
422 nx = curx + 5;
423 ny = cury + 5;
424 break;
425 case 'N':
426 nx = curx + 5;
427 ny = BSZ + cury - 5;
428 break;
429 case '\f':
430 nx = curx;
431 ny = cury;
432 (void)clearok(stdscr, true);
433 (void)refresh();
434 break;
435 #if 0 /* notyet */
436 case KEY_MOUSE:
437 {
438 MEVENT myevent;
439
440 getmouse(&myevent);
441 if (myevent.y >= 1 && myevent.y <= BSZ + 1 &&
442 myevent.x >= 3 && myevent.x <= 2 * BSZ + 1) {
443 curx = (myevent.x - 3) / 2;
444 cury = BSZ - myevent.y;
445 return PT(curx,cury);
446 } else {
447 beep();
448 }
449 }
450 break;
451 #endif /* 0 */
452 case 'Q':
453 case 'q':
454 return RESIGN;
455 case 'S':
456 case 's':
457 return SAVE;
458 case ' ':
459 case '\r':
460 (void)mvaddstr(BSZ + 3, (BSZ - 6) / 2, " ");
461 return PT(curx + 1, cury + 1);
462 }
463
464 curx = nx % BSZ;
465 cury = ny % BSZ;
466 }
467 }
468