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