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 * @(#)zap.c 8.1 (Berkeley) 5/31/93 33 * $FreeBSD: src/games/rogue/zap.c,v 1.3 1999/11/30 03:49:29 billf Exp $ 34 * $DragonFly: src/games/rogue/zap.c,v 1.3 2006/09/02 19:31:07 pavalos Exp $ 35 */ 36 37 /* 38 * zap.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 "rogue.h" 50 51 static object *get_zapped_monster(short, short *, short *); 52 static void tele_away(object *); 53 static void wdrain_life(object *); 54 static void zap_monster(object *, unsigned short); 55 56 boolean wizard = 0; 57 58 extern boolean being_held, score_only, detect_monster; 59 extern short cur_room; 60 61 void 62 zapp(void) 63 { 64 short wch; 65 boolean first_miss = 1; 66 object *wand; 67 short dir, d, row, col; 68 object *monster; 69 70 while (!is_direction(dir = rgetchar(), &d)) { 71 sound_bell(); 72 if (first_miss) { 73 message("direction? ", 0); 74 first_miss = 0; 75 } 76 } 77 check_message(); 78 if (dir == CANCEL) { 79 return; 80 } 81 if ((wch = pack_letter("zap with what?", WAND)) == CANCEL) { 82 return; 83 } 84 check_message(); 85 86 if (!(wand = get_letter_object(wch))) { 87 message("no such item.", 0); 88 return; 89 } 90 if (wand->what_is != WAND) { 91 message("you can't zap with that", 0); 92 return; 93 } 94 if (wand->class <= 0) { 95 message("nothing happens", 0); 96 } else { 97 wand->class--; 98 row = rogue.row; col = rogue.col; 99 if ((wand->which_kind == COLD) || (wand->which_kind == FIRE)) { 100 bounce((short)wand->which_kind, d, row, col, 0); 101 } else { 102 monster = get_zapped_monster(d, &row, &col); 103 if (wand->which_kind == DRAIN_LIFE) { 104 wdrain_life(monster); 105 } else if (monster) { 106 wake_up(monster); 107 s_con_mon(monster); 108 zap_monster(monster, wand->which_kind); 109 relight(); 110 } 111 } 112 } 113 reg_move(); 114 } 115 116 static object * 117 get_zapped_monster(short dir, short *row, short *col) 118 { 119 short orow, ocol; 120 121 for (;;) { 122 orow = *row; ocol = *col; 123 get_dir_rc(dir, row, col, 0); 124 if (((*row == orow) && (*col == ocol)) || 125 (dungeon[*row][*col] & (HORWALL | VERTWALL)) || 126 (dungeon[*row][*col] == NOTHING)) { 127 return(0); 128 } 129 if (dungeon[*row][*col] & MONSTER) { 130 if (!imitating(*row, *col)) { 131 return(object_at(&level_monsters, *row, *col)); 132 } 133 } 134 } 135 } 136 137 static void 138 zap_monster(object *monster, unsigned short kind) 139 { 140 short row, col; 141 object *nm; 142 short tc; 143 144 row = monster->row; 145 col = monster->col; 146 147 switch(kind) { 148 case SLOW_MONSTER: 149 if (monster->m_flags & HASTED) { 150 monster->m_flags &= (~HASTED); 151 } else { 152 monster->slowed_toggle = 0; 153 monster->m_flags |= SLOWED; 154 } 155 break; 156 case HASTE_MONSTER: 157 if (monster->m_flags & SLOWED) { 158 monster->m_flags &= (~SLOWED); 159 } else { 160 monster->m_flags |= HASTED; 161 } 162 break; 163 case TELE_AWAY: 164 tele_away(monster); 165 break; 166 case INVISIBILITY: 167 monster->m_flags |= INVISIBLE; 168 break; 169 case POLYMORPH: 170 if (monster->m_flags & HOLDS) { 171 being_held = 0; 172 } 173 nm = monster->next_monster; 174 tc = monster->trail_char; 175 gr_monster(monster, get_rand(0, MONSTERS-1)); 176 monster->row = row; 177 monster->col = col; 178 monster->next_monster = nm; 179 monster->trail_char = tc; 180 if (!(monster->m_flags & IMITATES)) { 181 wake_up(monster); 182 } 183 break; 184 case MAGIC_MISSILE: 185 rogue_hit(monster, 1); 186 break; 187 case CANCELLATION: 188 if (monster->m_flags & HOLDS) { 189 being_held = 0; 190 } 191 if (monster->m_flags & STEALS_ITEM) { 192 monster->drop_percent = 0; 193 } 194 monster->m_flags &= (~(FLIES | FLITS | SPECIAL_HIT | INVISIBLE | 195 FLAMES | IMITATES | CONFUSES | SEEKS_GOLD | HOLDS)); 196 break; 197 case DO_NOTHING: 198 message("nothing happens", 0); 199 break; 200 } 201 } 202 203 static void 204 tele_away(object *monster) 205 { 206 short row, col; 207 208 if (monster->m_flags & HOLDS) { 209 being_held = 0; 210 } 211 gr_row_col(&row, &col, (FLOOR | TUNNEL | STAIRS | OBJECT)); 212 mvaddch(monster->row, monster->col, monster->trail_char); 213 dungeon[monster->row][monster->col] &= ~MONSTER; 214 monster->row = row; monster->col = col; 215 dungeon[row][col] |= MONSTER; 216 monster->trail_char = mvinch(row, col); 217 if (detect_monster || rogue_can_see(row, col)) { 218 mvaddch(row, col, gmc(monster)); 219 } 220 } 221 222 void 223 wizardize(void) 224 { 225 char buf[100]; 226 227 if (wizard) { 228 wizard = 0; 229 message("not wizard anymore", 0); 230 } else { 231 if (get_input_line("wizard's password:", "", buf, "", 0, 0)) { 232 xxx(1); 233 xxxx(buf, strlen(buf)); 234 if (!strncmp(buf, "\247\104\126\272\115\243\027", 7)) { 235 wizard = 1; 236 score_only = 1; 237 message("Welcome, mighty wizard!", 0); 238 } else { 239 message("sorry", 0); 240 } 241 } 242 } 243 } 244 245 static void 246 wdrain_life(object *monster) 247 { 248 short hp; 249 object *lmon, *nm; 250 251 hp = rogue.hp_current / 3; 252 rogue.hp_current = (rogue.hp_current + 1) / 2; 253 254 if (cur_room >= 0) { 255 lmon = level_monsters.next_monster; 256 while (lmon) { 257 nm = lmon->next_monster; 258 if (get_room_number(lmon->row, lmon->col) == cur_room) { 259 wake_up(lmon); 260 mon_damage(lmon, hp); 261 } 262 lmon = nm; 263 } 264 } else { 265 if (monster) { 266 wake_up(monster); 267 mon_damage(monster, hp); 268 } 269 } 270 print_stats(STAT_HP); 271 relight(); 272 } 273 274 void 275 bounce(short ball, short dir, short row, short col, short r) 276 { 277 short orow, ocol; 278 char buf[DCOLS]; 279 const char *s; 280 short i, ch, new_dir = -1, damage; 281 static short btime; 282 283 if (++r == 1) { 284 btime = get_rand(3, 6); 285 } else if (r > btime) { 286 return; 287 } 288 289 if (ball == FIRE) { 290 s = "fire"; 291 } else { 292 s = "ice"; 293 } 294 if (r > 1) { 295 sprintf(buf, "the %s bounces", s); 296 message(buf, 0); 297 } 298 orow = row; 299 ocol = col; 300 do { 301 ch = mvinch(orow, ocol); 302 standout(); 303 mvaddch(orow, ocol, ch); 304 get_dir_rc(dir, &orow, &ocol, 1); 305 } while (!( (ocol <= 0) || 306 (ocol >= DCOLS-1) || 307 (dungeon[orow][ocol] == NOTHING) || 308 (dungeon[orow][ocol] & MONSTER) || 309 (dungeon[orow][ocol] & (HORWALL | VERTWALL)) || 310 ((orow == rogue.row) && (ocol == rogue.col)))); 311 standend(); 312 refresh(); 313 do { 314 orow = row; 315 ocol = col; 316 ch = mvinch(row, col); 317 mvaddch(row, col, ch); 318 get_dir_rc(dir, &row, &col, 1); 319 } while (!( (col <= 0) || 320 (col >= DCOLS-1) || 321 (dungeon[row][col] == NOTHING) || 322 (dungeon[row][col] & MONSTER) || 323 (dungeon[row][col] & (HORWALL | VERTWALL)) || 324 ((row == rogue.row) && (col == rogue.col)))); 325 326 if (dungeon[row][col] & MONSTER) { 327 object *monster; 328 329 monster = object_at(&level_monsters, row, col); 330 331 wake_up(monster); 332 if (rand_percent(33)) { 333 sprintf(buf, "the %s misses the %s", s, mon_name(monster)); 334 message(buf, 0); 335 goto ND; 336 } 337 if (ball == FIRE) { 338 if (!(monster->m_flags & RUSTS)) { 339 if (monster->m_flags & FREEZES) { 340 damage = monster->hp_to_kill; 341 } else if (monster->m_flags & FLAMES) { 342 damage = (monster->hp_to_kill / 10) + 1; 343 } else { 344 damage = get_rand((rogue.hp_current / 3), rogue.hp_max); 345 } 346 } else { 347 damage = (monster->hp_to_kill / 2) + 1; 348 } 349 sprintf(buf, "the %s hits the %s", s, mon_name(monster)); 350 message(buf, 0); 351 mon_damage(monster, damage); 352 } else { 353 damage = -1; 354 if (!(monster->m_flags & FREEZES)) { 355 if (rand_percent(33)) { 356 message("the monster is frozen", 0); 357 monster->m_flags |= (ASLEEP | NAPPING); 358 monster->nap_length = get_rand(3, 6); 359 } else { 360 damage = rogue.hp_current / 4; 361 } 362 } else { 363 damage = -2; 364 } 365 if (damage != -1) { 366 sprintf(buf, "the %s hits the %s", s, mon_name(monster)); 367 message(buf, 0); 368 mon_damage(monster, damage); 369 } 370 } 371 } else if ((row == rogue.row) && (col == rogue.col)) { 372 if (rand_percent(10 + (3 * get_armor_class(rogue.armor)))) { 373 sprintf(buf, "the %s misses", s); 374 message(buf, 0); 375 goto ND; 376 } else { 377 damage = get_rand(3, (3 * rogue.exp)); 378 if (ball == FIRE) { 379 damage = (damage * 3) / 2; 380 damage -= get_armor_class(rogue.armor); 381 } 382 sprintf(buf, "the %s hits", s); 383 rogue_damage(damage, NULL, 384 ((ball == FIRE) ? KFIRE : HYPOTHERMIA)); 385 message(buf, 0); 386 } 387 } else { 388 short nrow, ncol; 389 390 ND: for (i = 0; i < 10; i++) { 391 dir = get_rand(0, DIRS-1); 392 nrow = orow; 393 ncol = ocol; 394 get_dir_rc(dir, &nrow, &ncol, 1); 395 if (((ncol >= 0) && (ncol <= DCOLS-1)) && 396 (dungeon[nrow][ncol] != NOTHING) && 397 (!(dungeon[nrow][ncol] & (VERTWALL | HORWALL)))) { 398 new_dir = dir; 399 break; 400 } 401 } 402 if (new_dir != -1) { 403 bounce(ball, new_dir, orow, ocol, r); 404 } 405 } 406 } 407