rogue/zap.c

   1 /*      $NetBSD: zap.c,v 1.5 1998/11/10 13:01:32 hubertf 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. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 #ifndef lint
  41 #if 0
  42 static char sccsid[] = "@(#)zap.c       8.1 (Berkeley) 5/31/93";
  43 #else
  44 __RCSID("$NetBSD: zap.c,v 1.5 1998/11/10 13:01:32 hubertf Exp $");
  45 #endif
  46 #endif /* not lint */
  47
  48 /*
  49  * zap.c
  50  *
  51  * This source herein may be modified and/or distributed by anybody who
  52  * so desires, with the following restrictions:
  53  *    1.)  No portion of this notice shall be removed.
  54  *    2.)  Credit shall not be taken for the creation of this source.
  55  *    3.)  This code is not to be traded, sold, or used for personal
  56  *         gain or profit.
  57  *
  58  */
  59
  60 #include "rogue.h"
  61
  62 boolean wizard = 0;
  63
  64 void
  65 zapp()
  66 {
  67         short wch;
  68         boolean first_miss = 1;
  69         object *wand;
  70         short dir, d, row, col;
  71         object *monster;
  72
  73         while (!is_direction(dir = rgetchar(), &d)) {
  74                 sound_bell();
  75                 if (first_miss) {
  76                         message("direction? ", 0);
  77                         first_miss = 0;
  78                 }
  79         }
  80         check_message();
  81         if (dir == CANCEL) {
  82                 return;
  83         }
  84         if ((wch = pack_letter("zap with what?", WAND)) == CANCEL) {
  85                 return;
  86         }
  87         check_message();
  88
  89         if (!(wand = get_letter_object(wch))) {
  90                 message("no such item.", 0);
  91                 return;
  92         }
  93         if (wand->what_is != WAND) {
  94                 message("you can't zap with that", 0);
  95                 return;
  96         }
  97         if (wand->class <= 0) {
  98                 message("nothing happens", 0);
  99         } else {
 100                 wand->class--;
 101                 row = rogue.row; col = rogue.col;
 102                 if ((wand->which_kind == COLD) || (wand->which_kind == FIRE)) {
 103                         bounce((short) wand->which_kind, d, row, col, 0);
 104                 } else {
 105                         monster = get_zapped_monster(d, &row, &col);
 106                         if (wand->which_kind == DRAIN_LIFE) {
 107                                 wdrain_life(monster);
 108                         } else if (monster) {
 109                                 wake_up(monster);
 110                                 s_con_mon(monster);
 111                                 zap_monster(monster, wand->which_kind);
 112                                 relight();
 113                         }
 114                 }
 115         }
 116         (void) reg_move();
 117 }
 118
 119 object *
 120 get_zapped_monster(dir, row, col)
 121         short dir;
 122         short *row, *col;
 123 {
 124         short orow, ocol;
 125
 126         for (;;) {
 127                 orow = *row; ocol = *col;
 128                 get_dir_rc(dir, row, col, 0);
 129                 if (((*row == orow) && (*col == ocol)) ||
 130                    (dungeon[*row][*col] & (HORWALL | VERTWALL)) ||
 131                    (dungeon[*row][*col] == NOTHING)) {
 132                         return(0);
 133                 }
 134                 if (dungeon[*row][*col] & MONSTER) {
 135                         if (!imitating(*row, *col)) {
 136                                 return(object_at(&level_monsters, *row, *col));
 137                         }
 138                 }
 139         }
 140 }
 141
 142 void
 143 zap_monster(monster, kind)
 144         object *monster;
 145         unsigned short kind;
 146 {
 147         short row, col;
 148         object *nm;
 149         short tc;
 150
 151         row = monster->row;
 152         col = monster->col;
 153
 154         switch(kind) {
 155         case SLOW_MONSTER:
 156                 if (monster->m_flags & HASTED) {
 157                         monster->m_flags &= (~HASTED);
 158                 } else {
 159                         monster->slowed_toggle = 0;
 160                         monster->m_flags |= SLOWED;
 161                 }
 162                 break;
 163         case HASTE_MONSTER:
 164                 if (monster->m_flags & SLOWED) {
 165                         monster->m_flags &= (~SLOWED);
 166                 } else {
 167                         monster->m_flags |= HASTED;
 168                 }
 169                 break;
 170         case TELE_AWAY:
 171                 tele_away(monster);
 172                 break;
 173         case INVISIBILITY:
 174                 monster->m_flags |= INVISIBLE;
 175                 break;
 176         case POLYMORPH:
 177                 if (monster->m_flags & HOLDS) {
 178                         being_held = 0;
 179                 }
 180                 nm = monster->next_monster;
 181                 tc = monster->trail_char;
 182                 (void) gr_monster(monster, get_rand(0, MONSTERS-1));
 183                 monster->row = row;
 184                 monster->col = col;
 185                 monster->next_monster = nm;
 186                 monster->trail_char = tc;
 187                 if (!(monster->m_flags & IMITATES)) {
 188                         wake_up(monster);
 189                 }
 190                 break;
 191         case MAGIC_MISSILE:
 192                 rogue_hit(monster, 1);
 193                 break;
 194         case CANCELLATION:
 195                 if (monster->m_flags & HOLDS) {
 196                         being_held = 0;
 197                 }
 198                 if (monster->m_flags & STEALS_ITEM) {
 199                         monster->drop_percent = 0;
 200                 }
 201                 monster->m_flags &= (~(FLIES | FLITS | SPECIAL_HIT | INVISIBLE |
 202                         FLAMES | IMITATES | CONFUSES | SEEKS_GOLD | HOLDS));
 203                 break;
 204         case DO_NOTHING:
 205                 message("nothing happens", 0);
 206                 break;
 207         }
 208 }
 209
 210 void
 211 tele_away(monster)
 212         object *monster;
 213 {
 214         short row, col;
 215
 216         if (monster->m_flags & HOLDS) {
 217                 being_held = 0;
 218         }
 219         gr_row_col(&row, &col, (FLOOR | TUNNEL | STAIRS | OBJECT));
 220         mvaddch(monster->row, monster->col, monster->trail_char);
 221         dungeon[monster->row][monster->col] &= ~MONSTER;
 222         monster->row = row; monster->col = col;
 223         dungeon[row][col] |= MONSTER;
 224         monster->trail_char = mvinch(row, col);
 225         if (detect_monster || rogue_can_see(row, col)) {
 226                 mvaddch(row, col, gmc(monster));
 227         }
 228 }
 229
 230 void
 231 wizardize()
 232 {
 233         char buf[100];
 234
 235         if (wizard) {
 236                 wizard = 0;
 237                 message("not wizard anymore", 0);
 238         } else {
 239                 if (get_input_line("wizard's password:", "", buf, "", 0, 0)) {
 240                         (void) xxx(1);
 241                         xxxx(buf, strlen(buf));
 242                         if (!strncmp(buf, "\247\104\126\272\115\243\027", 7)) {
 243                                 wizard = 1;
 244                                 score_only = 1;
 245                                 message("Welcome, mighty wizard!", 0);
 246                         } else {
 247                                 message("sorry", 0);
 248                         }
 249                 }
 250         }
 251 }
 252
 253 void
 254 wdrain_life(monster)
 255         object *monster;
 256 {
 257         short hp;
 258         object *lmon, *nm;
 259
 260         hp = rogue.hp_current / 3;
 261         rogue.hp_current = (rogue.hp_current + 1) / 2;
 262
 263         if (cur_room >= 0) {
 264                 lmon = level_monsters.next_monster;
 265                 while (lmon) {
 266                         nm = lmon->next_monster;
 267                         if (get_room_number(lmon->row, lmon->col) == cur_room) {
 268                                 wake_up(lmon);
 269                                 (void) mon_damage(lmon, hp);
 270                         }
 271                         lmon = nm;
 272                 }
 273         } else {
 274                 if (monster) {
 275                         wake_up(monster);
 276                         (void) mon_damage(monster, hp);
 277                 }
 278         }
 279         print_stats(STAT_HP);
 280         relight();
 281 }
 282
 283 void
 284 bounce(ball, dir, row, col, r)
 285         short ball, dir, row, col, r;
 286 {
 287         short orow, ocol;
 288         char buf[DCOLS];
 289         const char *s;
 290         short i, ch, new_dir = -1, damage;
 291         static short btime;
 292
 293         if (++r == 1) {
 294                 btime = get_rand(3, 6);
 295         } else if (r > btime) {
 296                 return;
 297         }
 298
 299         if (ball == FIRE) {
 300                 s = "fire";
 301         } else {
 302                 s = "ice";
 303         }
 304         if (r > 1) {
 305                 sprintf(buf, "the %s bounces", s);
 306                 message(buf, 0);
 307         }
 308         orow = row;
 309         ocol = col;
 310         do {
 311                 ch = mvinch(orow, ocol);
 312                 standout();
 313                 mvaddch(orow, ocol, ch);
 314                 get_dir_rc(dir, &orow, &ocol, 1);
 315         } while (!(     (ocol <= 0) ||
 316                                 (ocol >= DCOLS-1) ||
 317                                 (dungeon[orow][ocol] == NOTHING) ||
 318                                 (dungeon[orow][ocol] & MONSTER) ||
 319                                 (dungeon[orow][ocol] & (HORWALL | VERTWALL)) ||
 320                                 ((orow == rogue.row) && (ocol == rogue.col))));
 321         standend();
 322         refresh();
 323         do {
 324                 orow = row;
 325                 ocol = col;
 326                 ch = mvinch(row, col);
 327                 mvaddch(row, col, ch);
 328                 get_dir_rc(dir, &row, &col, 1);
 329         } while (!(     (col <= 0) ||
 330                                 (col >= DCOLS-1) ||
 331                                 (dungeon[row][col] == NOTHING) ||
 332                                 (dungeon[row][col] & MONSTER) ||
 333                                 (dungeon[row][col] & (HORWALL | VERTWALL)) ||
 334                                 ((row == rogue.row) && (col == rogue.col))));
 335
 336         if (dungeon[row][col] & MONSTER) {
 337                 object *monster;
 338
 339                 monster = object_at(&level_monsters, row, col);
 340
 341                 wake_up(monster);
 342                 if (rand_percent(33)) {
 343                         sprintf(buf, "the %s misses the %s", s, mon_name(monster));
 344                         message(buf, 0);
 345                         goto ND;
 346                 }
 347                 if (ball == FIRE) {
 348                         if (!(monster->m_flags & RUSTS)) {
 349                                 if (monster->m_flags & FREEZES) {
 350                                         damage = monster->hp_to_kill;
 351                                 } else if (monster->m_flags & FLAMES) {
 352                                         damage = (monster->hp_to_kill / 10) + 1;
 353                                 } else {
 354                                         damage = get_rand((rogue.hp_current / 3), rogue.hp_max);
 355                                 }
 356                         } else {
 357                                 damage = (monster->hp_to_kill / 2) + 1;
 358                         }
 359                         sprintf(buf, "the %s hits the %s", s, mon_name(monster));
 360                         message(buf, 0);
 361                         (void) mon_damage(monster, damage);
 362                 } else {
 363                         damage = -1;
 364                         if (!(monster->m_flags & FREEZES)) {
 365                                 if (rand_percent(33)) {
 366                                         message("the monster is frozen", 0);
 367                                         monster->m_flags |= (ASLEEP | NAPPING);
 368                                         monster->nap_length = get_rand(3, 6);
 369                                 } else {
 370                                         damage = rogue.hp_current / 4;
 371                                 }
 372                         } else {
 373                                 damage = -2;
 374                         }
 375                         if (damage != -1) {
 376                                 sprintf(buf, "the %s hits the %s", s, mon_name(monster));
 377                                 message(buf, 0);
 378                                 (void) mon_damage(monster, damage);
 379                         }
 380                 }
 381         } else if ((row == rogue.row) && (col == rogue.col)) {
 382                 if (rand_percent(10 + (3 * get_armor_class(rogue.armor)))) {
 383                         sprintf(buf, "the %s misses", s);
 384                         message(buf, 0);
 385                         goto ND;
 386                 } else {
 387                         damage = get_rand(3, (3 * rogue.exp));
 388                         if (ball == FIRE) {
 389                                 damage = (damage * 3) / 2;
 390                                 damage -= get_armor_class(rogue.armor);
 391                         }
 392                         sprintf(buf, "the %s hits", s);
 393                         rogue_damage(damage, (object *) 0,
 394                                         ((ball == FIRE) ? KFIRE : HYPOTHERMIA));
 395                         message(buf, 0);
 396                 }
 397         } else {
 398                 short nrow, ncol;
 399
 400 ND:             for (i = 0; i < 10; i++) {
 401                         dir = get_rand(0, DIRS-1);
 402                         nrow = orow;
 403                         ncol = ocol;
 404                         get_dir_rc(dir, &nrow, &ncol, 1);
 405                         if (((ncol >= 0) && (ncol <= DCOLS-1)) &&
 406                                 (dungeon[nrow][ncol] != NOTHING) &&
 407                                 (!(dungeon[nrow][ncol] & (VERTWALL | HORWALL)))) {
 408                                 new_dir = dir;
 409                                 break;
 410                         }
 411                 }
 412                 if (new_dir != -1) {
 413                         bounce(ball, new_dir, orow, ocol, r);
 414                 }
 415         }
 416 }