1 /* $NetBSD: message.c,v 1.15 2021/05/02 12:50:46 rillig Exp $ */
2
3 /*
4 * Copyright (c) 1988, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Timothy C. Stoehr.
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[] = "@(#)message.c 8.1 (Berkeley) 5/31/93";
39 #else
40 __RCSID("$NetBSD: message.c,v 1.15 2021/05/02 12:50:46 rillig Exp $");
41 #endif
42 #endif /* not lint */
43
44 /*
45 * message.c
46 *
47 * This source herein may be modified and/or distributed by anybody who
48 * so desires, with the following restrictions:
49 * 1.) No portion of this notice shall be removed.
50 * 2.) Credit shall not be taken for the creation of this source.
51 * 3.) This code is not to be traded, sold, or used for personal
52 * gain or profit.
53 *
54 */
55
56 #include <signal.h>
57 #include <termios.h>
58 #include <stdarg.h>
59 #include "rogue.h"
60 #include "pathnames.h"
61
62 static char msgs[NMESSAGES][DCOLS] = {"", "", "", "", ""};
63 static short msg_col = 0, imsg = -1;
64 static boolean rmsg = 0;
65
66 boolean msg_cleared = 1;
67 char hunger_str[HUNGER_STR_LEN] = "";
68 const char *more = "-more-";
69
70 static void save_screen(void);
71
72 static
73 void
message(const char * msg,boolean intrpt)74 message(const char *msg, boolean intrpt)
75 {
76 cant_int = 1;
77
78 if (!save_is_interactive) {
79 return;
80 }
81 if (intrpt) {
82 interrupted = 1;
83 md_slurp();
84 }
85
86 if (!msg_cleared) {
87 mvaddstr(MIN_ROW-1, msg_col, more);
88 refresh();
89 wait_for_ack();
90 check_message();
91 }
92 if (!rmsg) {
93 imsg = (imsg + 1) % NMESSAGES;
94 (void)strlcpy(msgs[imsg], msg, sizeof(msgs[imsg]));
95 }
96 mvaddstr(MIN_ROW-1, 0, msg);
97 addch(' ');
98 refresh();
99 msg_cleared = 0;
100 msg_col = strlen(msg);
101
102 cant_int = 0;
103
104 if (did_int) {
105 did_int = 0;
106 onintr(0);
107 }
108 }
109
110 void
messagef(boolean intrpt,const char * fmt,...)111 messagef(boolean intrpt, const char *fmt, ...)
112 {
113 va_list ap;
114 char buf[DCOLS];
115
116 va_start(ap, fmt);
117 vsnprintf(buf, sizeof(buf), fmt, ap);
118 va_end(ap);
119
120 message(buf, intrpt);
121 }
122
123 void
remessage(short c)124 remessage(short c)
125 {
126 if (imsg != -1) {
127 check_message();
128 rmsg = 1;
129 while (c > imsg) {
130 c -= NMESSAGES;
131 }
132 message(msgs[((imsg - c) % NMESSAGES)], 0);
133 rmsg = 0;
134 move(rogue.row, rogue.col);
135 refresh();
136 }
137 }
138
139 void
check_message(void)140 check_message(void)
141 {
142 if (msg_cleared) {
143 return;
144 }
145 move(MIN_ROW-1, 0);
146 clrtoeol();
147 refresh();
148 msg_cleared = 1;
149 }
150
151 int
get_input_line(const char * prompt,const char * insert,char * buf,size_t buflen,const char * if_cancelled,boolean add_blank,boolean do_echo)152 get_input_line(const char *prompt, const char *insert,
153 char *buf, size_t buflen,
154 const char *if_cancelled,
155 boolean add_blank, boolean do_echo)
156 {
157 short ch;
158 size_t i = 0, n;
159
160 message(prompt, 0);
161 n = strlen(prompt);
162
163 if (insert[0]) {
164 mvaddstr(0, n + 1, insert);
165 (void)strlcpy(buf, insert, buflen);
166 i = strlen(buf);
167 move(0, (n + i + 1));
168 refresh();
169 }
170
171 while (((ch = rgetchar()) != '\r') && (ch != '\n') && (ch != CANCEL)) {
172 if ((ch >= ' ') && (ch <= '~') && (i < buflen-2)) {
173 if ((ch != ' ') || (i > 0)) {
174 buf[i++] = ch;
175 if (do_echo) {
176 addch(ch);
177 }
178 }
179 }
180 if ((ch == '\b') && (i > 0)) {
181 if (do_echo) {
182 mvaddch(0, i + n, ' ');
183 move(MIN_ROW-1, i+n);
184 }
185 i--;
186 }
187 refresh();
188 }
189 check_message();
190 if (add_blank) {
191 buf[i++] = ' ';
192 } else {
193 while ((i > 0) && (buf[i-1] == ' ')) {
194 i--;
195 }
196 }
197
198 buf[i] = 0;
199
200 if ((ch == CANCEL) || (i == 0) || ((i == 1) && add_blank)) {
201 if (if_cancelled) {
202 message(if_cancelled, 0);
203 }
204 return(0);
205 }
206 return(i);
207 }
208
209 int
rgetchar(void)210 rgetchar(void)
211 {
212 int ch;
213
214 for(;;) {
215 ch = getchar();
216
217 switch(ch) {
218 case '\022': /* ^R */
219 wrefresh(curscr);
220 break;
221 #ifdef UNIX_BSD4_2
222 case '\032': /* ^Z */
223 printf("%s", CL);
224 fflush(stdout);
225 tstp();
226 break;
227 #endif
228 case '&':
229 save_screen();
230 break;
231 default:
232 return(ch);
233 }
234 }
235 }
236
237 /*
238 Level: 99 Gold: 999999 Hp: 999(999) Str: 99(99) Arm: 99 Exp: 21/10000000 Hungry
239 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5
240 */
241
242 void
print_stats(int stat_mask)243 print_stats(int stat_mask)
244 {
245 char buf[16];
246 boolean label;
247 int row = DROWS - 1;
248
249 label = (stat_mask & STAT_LABEL) ? 1 : 0;
250
251 if (stat_mask & STAT_LEVEL) {
252 if (label) {
253 mvaddstr(row, 0, "Level: ");
254 }
255 /* max level taken care of in make_level() */
256 mvprintw(row, 7, "%-2d", cur_level);
257 }
258 if (stat_mask & STAT_GOLD) {
259 if (label) {
260 mvaddstr(row, 10, "Gold: ");
261 }
262 if (rogue.gold > MAX_GOLD) {
263 rogue.gold = MAX_GOLD;
264 }
265 mvprintw(row, 16, "%-6ld", rogue.gold);
266 }
267 if (stat_mask & STAT_HP) {
268 if (label) {
269 mvaddstr(row, 23, "Hp: ");
270 }
271 if (rogue.hp_max > MAX_HP) {
272 rogue.hp_current -= (rogue.hp_max - MAX_HP);
273 rogue.hp_max = MAX_HP;
274 }
275 snprintf(buf, sizeof(buf), "%d(%d)",
276 rogue.hp_current, rogue.hp_max);
277 mvprintw(row, 27, "%-8s", buf);
278 }
279 if (stat_mask & STAT_STRENGTH) {
280 if (label) {
281 mvaddstr(row, 36, "Str: ");
282 }
283 if (rogue.str_max > MAX_STRENGTH) {
284 rogue.str_current -= (rogue.str_max - MAX_STRENGTH);
285 rogue.str_max = MAX_STRENGTH;
286 }
287 snprintf(buf, sizeof(buf), "%d(%d)",
288 (rogue.str_current + add_strength), rogue.str_max);
289 mvprintw(row, 41, "%-6s", buf);
290 }
291 if (stat_mask & STAT_ARMOR) {
292 if (label) {
293 mvaddstr(row, 48, "Arm: ");
294 }
295 if (rogue.armor && (rogue.armor->d_enchant > MAX_ARMOR)) {
296 rogue.armor->d_enchant = MAX_ARMOR;
297 }
298 mvprintw(row, 53, "%-2d", get_armor_class(rogue.armor));
299 }
300 if (stat_mask & STAT_EXP) {
301 if (label) {
302 mvaddstr(row, 56, "Exp: ");
303 }
304 if (rogue.exp_points > MAX_EXP) {
305 rogue.exp_points = MAX_EXP;
306 }
307 if (rogue.exp > MAX_EXP_LEVEL) {
308 rogue.exp = MAX_EXP_LEVEL;
309 }
310 snprintf(buf, sizeof(buf), "%d/%ld",
311 rogue.exp, rogue.exp_points);
312 mvprintw(row, 61, "%-11s", buf);
313 }
314 if (stat_mask & STAT_HUNGER) {
315 mvaddstr(row, 73, hunger_str);
316 clrtoeol();
317 }
318 refresh();
319 }
320
321 static void
save_screen(void)322 save_screen(void)
323 {
324 FILE *fp;
325 short i, j;
326 char buf[DCOLS+2];
327
328 if ((fp = fopen(_PATH_SCREENDUMP, "w")) != NULL) {
329 for (i = 0; i < DROWS; i++) {
330 for (j=0; j<DCOLS; j++) {
331 buf[j] = mvinch(i, j);
332 }
333 /*buf[DCOLS] = 0; -- redundant */
334 for (j=DCOLS; j>0 && buf[j-1]==' '; j--);
335 buf[j] = 0;
336
337 fputs(buf, fp);
338 putc('\n', fp);
339 }
340 fclose(fp);
341 } else {
342 sound_bell();
343 }
344 }
345
346 void
sound_bell(void)347 sound_bell(void)
348 {
349 putchar(7);
350 fflush(stdout);
351 }
352
353 boolean
is_digit(int ch)354 is_digit(int ch)
355 {
356 return((ch >= '0') && (ch <= '9'));
357 }
358
359 int
r_index(const char * str,int ch,boolean last)360 r_index(const char *str, int ch, boolean last)
361 {
362 int i = 0;
363
364 if (last) {
365 for (i = strlen(str) - 1; i >= 0; i--) {
366 if (str[i] == ch) {
367 return(i);
368 }
369 }
370 } else {
371 for (i = 0; str[i]; i++) {
372 if (str[i] == ch) {
373 return(i);
374 }
375 }
376 }
377 return(-1);
378 }
379