games/rogue/message.c

   1 /*-
   2  * Copyright (c) 1988, 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  * Timothy C. Stoehr.
   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. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  * @(#)message.c        8.1 (Berkeley) 5/31/93
  33  * $FreeBSD: src/games/rogue/message.c,v 1.7.2.1 2000/07/20 10:35:07 kris Exp $
  34  * $DragonFly: src/games/rogue/message.c,v 1.4 2006/09/02 19:31:07 pavalos Exp $
  35  */
  36
  37 /*
  38  * message.c
  39  *
  40  * This source herein may be modified and/or distributed by anybody who
  41  * so desires, with the following restrictions:
  42  *    1.)  No portion of this notice shall be removed.
  43  *    2.)  Credit shall not be taken for the creation of this source.
  44  *    3.)  This code is not to be traded, sold, or used for personal
  45  *         gain or profit.
  46  *
  47  */
  48
  49 #include <stdio.h>
  50 #include "rogue.h"
  51 #include "pathnames.h"
  52
  53 char msgs[NMESSAGES][DCOLS] = {"", "", "", "", ""};
  54 short msg_col = 0, imsg = -1;
  55 boolean msg_cleared = 1, rmsg = 0;
  56 char hunger_str[HUNGER_STR_LEN] = "";
  57 const char *more = "-more-";
  58
  59 extern boolean cant_int, did_int, interrupted, save_is_interactive, flush;
  60 extern short add_strength;
  61 extern short cur_level;
  62
  63 static void pad(const char *, short);
  64 static void save_screen(void);
  65
  66 void
  67 message(const char *msg, boolean intrpt)
  68 {
  69         cant_int = 1;
  70
  71         if (!save_is_interactive) {
  72                 return;
  73         }
  74         if (intrpt) {
  75                 interrupted = 1;
  76                 if (flush)
  77                         md_slurp();
  78         }
  79
  80         if (!msg_cleared) {
  81                 mvaddstr(MIN_ROW-1, msg_col, more);
  82                 refresh();
  83                 wait_for_ack();
  84                 check_message();
  85         }
  86         if (!rmsg) {
  87                 imsg = (imsg + 1) % NMESSAGES;
  88                 strcpy(msgs[imsg], msg);
  89         }
  90         mvaddstr(MIN_ROW-1, 0, msg);
  91         addch(' ');
  92         refresh();
  93         msg_cleared = 0;
  94         msg_col = strlen(msg);
  95
  96         cant_int = 0;
  97
  98         if (did_int) {
  99                 did_int = 0;
 100                 onintr();
 101         }
 102 }
 103
 104 void
 105 remessage(short c)
 106 {
 107         if (imsg != -1) {
 108                 check_message();
 109                 rmsg = 1;
 110                 while (c > imsg) {
 111                         c -= NMESSAGES;
 112                 }
 113                 message(msgs[((imsg - c) % NMESSAGES)], 0);
 114                 rmsg = 0;
 115                 move(rogue.row, rogue.col);
 116                 refresh();
 117         }
 118 }
 119
 120 void
 121 check_message(void)
 122 {
 123         if (msg_cleared) {
 124                 return;
 125         }
 126         move(MIN_ROW-1, 0);
 127         clrtoeol();
 128         refresh();
 129         msg_cleared = 1;
 130 }
 131
 132 short
 133 get_input_line(const char *prompt, const char *insert, char *buf,
 134     const char *if_cancelled, boolean add_blank, boolean do_echo)
 135 {
 136         short ch;
 137         short i = 0, n;
 138
 139         message(prompt, 0);
 140         n = strlen(prompt);
 141
 142         if (insert[0]) {
 143                 mvaddstr(0, n + 1, insert);
 144                 strcpy(buf, insert);
 145                 i = strlen(insert);
 146                 move(0, (n + i + 1));
 147                 refresh();
 148         }
 149
 150         while (((ch = rgetchar()) != '\r') && (ch != '\n') && (ch != CANCEL)) {
 151                 if ((ch >= ' ') && (ch <= '~') && (i < MAX_TITLE_LENGTH-2)) {
 152                         if ((ch != ' ') || (i > 0)) {
 153                                 buf[i++] = ch;
 154                                 if (do_echo) {
 155                                         addch(ch);
 156                                 }
 157                         }
 158                 }
 159                 if ((ch == '\b') && (i > 0)) {
 160                         if (do_echo) {
 161                                 mvaddch(0, i + n, ' ');
 162                                 move(MIN_ROW-1, i+n);
 163                         }
 164                         i--;
 165                 }
 166                 refresh();
 167         }
 168         check_message();
 169         if (add_blank) {
 170                 buf[i++] = ' ';
 171         } else {
 172                 while ((i > 0) && (buf[i-1] == ' ')) {
 173                         i--;
 174                 }
 175         }
 176
 177         buf[i] = 0;
 178
 179         if ((ch == CANCEL) || (i == 0) || ((i == 1) && add_blank)) {
 180                 if (if_cancelled) {
 181                         message(if_cancelled, 0);
 182                 }
 183                 return(0);
 184         }
 185         return(i);
 186 }
 187
 188 int
 189 rgetchar(void)
 190 {
 191         int ch;
 192
 193         for(;;) {
 194                 ch = getchar();
 195
 196                 switch(ch) {
 197                 case '\022':
 198                         wrefresh(curscr);
 199                         break;
 200 #ifdef UNIX_BSD4_2
 201                 case '\032':
 202                         printf("%s", CL);
 203                         fflush(stdout);
 204                         tstp();
 205                         break;
 206 #endif
 207                 case '&':
 208                         save_screen();
 209                         break;
 210                 default:
 211                         return(ch);
 212                 }
 213         }
 214 }
 215
 216 /*
 217 Level: 99 Gold: 999999 Hp: 999(999) Str: 99(99) Arm: 99 Exp: 21/10000000 Hungry
 218 0    5    1    5    2    5    3    5    4    5    5    5    6    5    7    5
 219 */
 220
 221 void
 222 print_stats(int stat_mask)
 223 {
 224         char buf[16];
 225         boolean label;
 226         int row = DROWS - 1;
 227
 228         label = (stat_mask & STAT_LABEL) ? 1 : 0;
 229
 230         if (stat_mask & STAT_LEVEL) {
 231                 if (label) {
 232                         mvaddstr(row, 0, "Level: ");
 233                 }
 234                 /* max level taken care of in make_level() */
 235                 sprintf(buf, "%d", cur_level);
 236                 mvaddstr(row, 7, buf);
 237                 pad(buf, 2);
 238         }
 239         if (stat_mask & STAT_GOLD) {
 240                 if (label) {
 241                         mvaddstr(row, 10, "Gold: ");
 242                 }
 243                 if (rogue.gold > MAX_GOLD) {
 244                         rogue.gold = MAX_GOLD;
 245                 }
 246                 sprintf(buf, "%ld", rogue.gold);
 247                 mvaddstr(row, 16, buf);
 248                 pad(buf, 6);
 249         }
 250         if (stat_mask & STAT_HP) {
 251                 if (label) {
 252                         mvaddstr(row, 23, "Hp: ");
 253                 }
 254                 if (rogue.hp_max > MAX_HP) {
 255                         rogue.hp_current -= (rogue.hp_max - MAX_HP);
 256                         rogue.hp_max = MAX_HP;
 257                 }
 258                 sprintf(buf, "%d(%d)", rogue.hp_current, rogue.hp_max);
 259                 mvaddstr(row, 27, buf);
 260                 pad(buf, 8);
 261         }
 262         if (stat_mask & STAT_STRENGTH) {
 263                 if (label) {
 264                         mvaddstr(row, 36, "Str: ");
 265                 }
 266                 if (rogue.str_max > MAX_STRENGTH) {
 267                         rogue.str_current -= (rogue.str_max - MAX_STRENGTH);
 268                         rogue.str_max = MAX_STRENGTH;
 269                 }
 270                 sprintf(buf, "%d(%d)", (rogue.str_current + add_strength),
 271                         rogue.str_max);
 272                 mvaddstr(row, 41, buf);
 273                 pad(buf, 6);
 274         }
 275         if (stat_mask & STAT_ARMOR) {
 276                 if (label) {
 277                         mvaddstr(row, 48, "Arm: ");
 278                 }
 279                 if (rogue.armor && (rogue.armor->d_enchant > MAX_ARMOR)) {
 280                         rogue.armor->d_enchant = MAX_ARMOR;
 281                 }
 282                 sprintf(buf, "%d", get_armor_class(rogue.armor));
 283                 mvaddstr(row, 53, buf);
 284                 pad(buf, 2);
 285         }
 286         if (stat_mask & STAT_EXP) {
 287                 if (label) {
 288                         mvaddstr(row, 56, "Exp: ");
 289                 }
 290                 if (rogue.exp_points > MAX_EXP) {
 291                         rogue.exp_points = MAX_EXP;
 292                 }
 293                 if (rogue.exp > MAX_EXP_LEVEL) {
 294                         rogue.exp = MAX_EXP_LEVEL;
 295                 }
 296                 sprintf(buf, "%d/%ld", rogue.exp, rogue.exp_points);
 297                 mvaddstr(row, 61, buf);
 298                 pad(buf, 11);
 299         }
 300         if (stat_mask & STAT_HUNGER) {
 301                 mvaddstr(row, 73, hunger_str);
 302                 clrtoeol();
 303         }
 304         refresh();
 305 }
 306
 307 static void
 308 pad(const char *s, short n)
 309 {
 310         short i;
 311
 312         for (i = strlen(s); i < n; i++) {
 313                 addch(' ');
 314         }
 315 }
 316
 317 static void
 318 save_screen(void)
 319 {
 320         FILE *fp;
 321         short i, j;
 322         char buf[DCOLS+2];
 323         boolean found_non_blank;
 324
 325         if ((fp = fopen(_PATH_SCREENDUMP, "w")) != NULL) {
 326                 for (i = 0; i < DROWS; i++) {
 327                         found_non_blank = 0;
 328                         for (j = (DCOLS - 1); j >= 0; j--) {
 329                                 buf[j] = mvinch(i, j);
 330                                 if (!found_non_blank) {
 331                                         if ((buf[j] != ' ') || (j == 0)) {
 332                                                 buf[j + ((j == 0) ? 0 : 1)] = 0;
 333                                                 found_non_blank = 1;
 334                                         }
 335                                 }
 336                         }
 337                         fputs(buf, fp);
 338                         putc('\n', fp);
 339                 }
 340                 fclose(fp);
 341         } else {
 342                 sound_bell();
 343         }
 344 }
 345
 346 void
 347 sound_bell(void)
 348 {
 349         putchar(7);
 350         fflush(stdout);
 351 }
 352
 353 boolean
 354 is_digit(short ch)
 355 {
 356         return((ch >= '0') && (ch <= '9'));
 357 }
 358
 359 int
 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 }