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. 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  * @(#)message.c        8.1 (Berkeley) 5/31/93
  37  * $FreeBSD: src/games/rogue/message.c,v 1.7.2.1 2000/07/20 10:35:07 kris Exp $
  38  * $DragonFly: src/games/rogue/message.c,v 1.4 2006/09/02 19:31:07 pavalos Exp $
  39  */
  40
  41 /*
  42  * message.c
  43  *
  44  * This source herein may be modified and/or distributed by anybody who
  45  * so desires, with the following restrictions:
  46  *    1.)  No portion of this notice shall be removed.
  47  *    2.)  Credit shall not be taken for the creation of this source.
  48  *    3.)  This code is not to be traded, sold, or used for personal
  49  *         gain or profit.
  50  *
  51  */
  52
  53 #include <stdio.h>
  54 #include "rogue.h"
  55
  56 char msgs[NMESSAGES][DCOLS] = {"", "", "", "", ""};
  57 short msg_col = 0, imsg = -1;
  58 boolean msg_cleared = 1, rmsg = 0;
  59 char hunger_str[HUNGER_STR_LEN] = "";
  60 const char *more = "-more-";
  61
  62 extern boolean cant_int, did_int, interrupted, save_is_interactive, flush;
  63 extern short add_strength;
  64 extern short cur_level;
  65
  66 static void     pad(const char *, short);
  67 static void     save_screen(void);
  68
  69 void
  70 message(const char *msg, boolean intrpt)
  71 {
  72         cant_int = 1;
  73
  74         if (!save_is_interactive) {
  75                 return;
  76         }
  77         if (intrpt) {
  78                 interrupted = 1;
  79                 if (flush)
  80                         md_slurp();
  81         }
  82
  83         if (!msg_cleared) {
  84                 mvaddstr(MIN_ROW-1, msg_col, more);
  85                 refresh();
  86                 wait_for_ack();
  87                 check_message();
  88         }
  89         if (!rmsg) {
  90                 imsg = (imsg + 1) % NMESSAGES;
  91                 strcpy(msgs[imsg], msg);
  92         }
  93         mvaddstr(MIN_ROW-1, 0, msg);
  94         addch(' ');
  95         refresh();
  96         msg_cleared = 0;
  97         msg_col = strlen(msg);
  98
  99         cant_int = 0;
 100
 101         if (did_int) {
 102                 did_int = 0;
 103                 onintr();
 104         }
 105 }
 106
 107 void
 108 remessage(short c)
 109 {
 110         if (imsg != -1) {
 111                 check_message();
 112                 rmsg = 1;
 113                 while (c > imsg) {
 114                         c -= NMESSAGES;
 115                 }
 116                 message(msgs[((imsg - c) % NMESSAGES)], 0);
 117                 rmsg = 0;
 118                 move(rogue.row, rogue.col);
 119                 refresh();
 120         }
 121 }
 122
 123 void
 124 check_message(void)
 125 {
 126         if (msg_cleared) {
 127                 return;
 128         }
 129         move(MIN_ROW-1, 0);
 130         clrtoeol();
 131         refresh();
 132         msg_cleared = 1;
 133 }
 134
 135 short
 136 get_input_line(const char *prompt, const char *insert, char *buf,
 137                const char *if_cancelled, boolean add_blank, boolean do_echo)
 138 {
 139         short ch;
 140         short i = 0, n;
 141
 142         message(prompt, 0);
 143         n = strlen(prompt);
 144
 145         if (insert[0]) {
 146                 mvaddstr(0, n + 1, insert);
 147                 strcpy(buf, insert);
 148                 i = strlen(insert);
 149                 move(0, (n + i + 1));
 150                 refresh();
 151         }
 152
 153         while (((ch = rgetchar()) != '\r') && (ch != '\n') && (ch != CANCEL)) {
 154                 if ((ch >= ' ') && (ch <= '~') && (i < MAX_TITLE_LENGTH-2)) {
 155                         if ((ch != ' ') || (i > 0)) {
 156                                 buf[i++] = ch;
 157                                 if (do_echo) {
 158                                         addch(ch);
 159                                 }
 160                         }
 161                 }
 162                 if ((ch == '\b') && (i > 0)) {
 163                         if (do_echo) {
 164                                 mvaddch(0, i + n, ' ');
 165                                 move(MIN_ROW-1, i+n);
 166                         }
 167                         i--;
 168                 }
 169                 refresh();
 170         }
 171         check_message();
 172         if (add_blank) {
 173                 buf[i++] = ' ';
 174         } else {
 175                 while ((i > 0) && (buf[i-1] == ' ')) {
 176                         i--;
 177                 }
 178         }
 179
 180         buf[i] = 0;
 181
 182         if ((ch == CANCEL) || (i == 0) || ((i == 1) && add_blank)) {
 183                 if (if_cancelled) {
 184                         message(if_cancelled, 0);
 185                 }
 186                 return(0);
 187         }
 188         return(i);
 189 }
 190
 191 int
 192 rgetchar(void)
 193 {
 194         int ch;
 195
 196         for(;;) {
 197                 ch = getchar();
 198
 199                 switch(ch) {
 200                 case '\022':
 201                         wrefresh(curscr);
 202                         break;
 203 #ifdef UNIX_BSD4_2
 204                 case '\032':
 205                         printf("%s", CL);
 206                         fflush(stdout);
 207                         tstp();
 208                         break;
 209 #endif
 210                 case '&':
 211                         save_screen();
 212                         break;
 213                 default:
 214                         return(ch);
 215                 }
 216         }
 217 }
 218 /*
 219 Level: 99 Gold: 999999 Hp: 999(999) Str: 99(99) Arm: 99 Exp: 21/10000000 Hungry
 220 0    5    1    5    2    5    3    5    4    5    5    5    6    5    7    5
 221 */
 222
 223 void
 224 print_stats(int stat_mask)
 225 {
 226         char buf[16];
 227         boolean label;
 228         int row = DROWS - 1;
 229
 230         label = (stat_mask & STAT_LABEL) ? 1 : 0;
 231
 232         if (stat_mask & STAT_LEVEL) {
 233                 if (label) {
 234                         mvaddstr(row, 0, "Level: ");
 235                 }
 236                 /* max level taken care of in make_level() */
 237                 sprintf(buf, "%d", cur_level);
 238                 mvaddstr(row, 7, buf);
 239                 pad(buf, 2);
 240         }
 241         if (stat_mask & STAT_GOLD) {
 242                 if (label) {
 243                         mvaddstr(row, 10, "Gold: ");
 244                 }
 245                 if (rogue.gold > MAX_GOLD) {
 246                         rogue.gold = MAX_GOLD;
 247                 }
 248                 sprintf(buf, "%ld", rogue.gold);
 249                 mvaddstr(row, 16, buf);
 250                 pad(buf, 6);
 251         }
 252         if (stat_mask & STAT_HP) {
 253                 if (label) {
 254                         mvaddstr(row, 23, "Hp: ");
 255                 }
 256                 if (rogue.hp_max > MAX_HP) {
 257                         rogue.hp_current -= (rogue.hp_max - MAX_HP);
 258                         rogue.hp_max = MAX_HP;
 259                 }
 260                 sprintf(buf, "%d(%d)", rogue.hp_current, rogue.hp_max);
 261                 mvaddstr(row, 27, buf);
 262                 pad(buf, 8);
 263         }
 264         if (stat_mask & STAT_STRENGTH) {
 265                 if (label) {
 266                         mvaddstr(row, 36, "Str: ");
 267                 }
 268                 if (rogue.str_max > MAX_STRENGTH) {
 269                         rogue.str_current -= (rogue.str_max - MAX_STRENGTH);
 270                         rogue.str_max = MAX_STRENGTH;
 271                 }
 272                 sprintf(buf, "%d(%d)", (rogue.str_current + add_strength),
 273                         rogue.str_max);
 274                 mvaddstr(row, 41, buf);
 275                 pad(buf, 6);
 276         }
 277         if (stat_mask & STAT_ARMOR) {
 278                 if (label) {
 279                         mvaddstr(row, 48, "Arm: ");
 280                 }
 281                 if (rogue.armor && (rogue.armor->d_enchant > MAX_ARMOR)) {
 282                         rogue.armor->d_enchant = MAX_ARMOR;
 283                 }
 284                 sprintf(buf, "%d", get_armor_class(rogue.armor));
 285                 mvaddstr(row, 53, buf);
 286                 pad(buf, 2);
 287         }
 288         if (stat_mask & STAT_EXP) {
 289                 if (label) {
 290                         mvaddstr(row, 56, "Exp: ");
 291                 }
 292                 if (rogue.exp_points > MAX_EXP) {
 293                         rogue.exp_points = MAX_EXP;
 294                 }
 295                 if (rogue.exp > MAX_EXP_LEVEL) {
 296                         rogue.exp = MAX_EXP_LEVEL;
 297                 }
 298                 sprintf(buf, "%d/%ld", rogue.exp, rogue.exp_points);
 299                 mvaddstr(row, 61, buf);
 300                 pad(buf, 11);
 301         }
 302         if (stat_mask & STAT_HUNGER) {
 303                 mvaddstr(row, 73, hunger_str);
 304                 clrtoeol();
 305         }
 306         refresh();
 307 }
 308
 309 static void
 310 pad(const char *s, short n)
 311 {
 312         short i;
 313
 314         for (i = strlen(s); i < n; i++) {
 315                 addch(' ');
 316         }
 317 }
 318
 319 static void
 320 save_screen(void)
 321 {
 322         FILE *fp;
 323         short i, j;
 324         char buf[DCOLS+2];
 325         boolean found_non_blank;
 326
 327         if ((fp = fopen("rogue.screen", "w")) != NULL) {
 328                 for (i = 0; i < DROWS; i++) {
 329                         found_non_blank = 0;
 330                         for (j = (DCOLS - 1); j >= 0; j--) {
 331                                 buf[j] = mvinch(i, j);
 332                                 if (!found_non_blank) {
 333                                         if ((buf[j] != ' ') || (j == 0)) {
 334                                                 buf[j + ((j == 0) ? 0 : 1)] = 0;
 335                                                 found_non_blank = 1;
 336                                         }
 337                                 }
 338                         }
 339                         fputs(buf, fp);
 340                         putc('\n', fp);
 341                 }
 342                 fclose(fp);
 343         } else {
 344                 sound_bell();
 345         }
 346 }
 347
 348 void
 349 sound_bell(void)
 350 {
 351         putchar(7);
 352         fflush(stdout);
 353 }
 354
 355 boolean
 356 is_digit(short ch)
 357 {
 358         return((ch >= '0') && (ch <= '9'));
 359 }
 360
 361 int
 362 r_index(const char *str, int ch, boolean last)
 363 {
 364         int i = 0;
 365
 366         if (last) {
 367                 for (i = strlen(str) - 1; i >= 0; i--) {
 368                         if (str[i] == ch) {
 369                                 return(i);
 370                         }
 371                 }
 372         } else {
 373                 for (i = 0; str[i]; i++) {
 374                         if (str[i] == ch) {
 375                                 return(i);
 376                         }
 377                 }
 378         }
 379         return(-1);
 380 }