1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 2 /* hack.apply.c - version 1.0.3 */ 3 /* $FreeBSD: src/games/hack/hack.apply.c,v 1.4.2.1 2001/02/18 02:20:07 kris Exp $ */ 4 /* $DragonFly: src/games/hack/hack.apply.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */ 5 6 #include "hack.h" 7 #include "def.edog.h" 8 extern char quitchars[]; 9 10 static void use_camera(struct obj *); 11 static bool in_ice_box(struct obj *); 12 static bool ck_ice_box(struct obj *); 13 static int out_ice_box(struct obj *); 14 static void use_ice_box(struct obj *); 15 static struct monst *bchit(int, int, int, char); 16 static void use_whistle(struct obj *); 17 static void use_magic_whistle(struct obj *); 18 static bool dig(void); 19 static int use_pick_axe(struct obj *); 20 21 int 22 doapply(void) 23 { 24 struct obj *obj; 25 int res = 1; 26 27 obj = getobj("(", "use or apply"); 28 if (!obj) 29 return (0); 30 31 switch (obj->otyp) { 32 case EXPENSIVE_CAMERA: 33 use_camera(obj); 34 break; 35 case ICE_BOX: 36 use_ice_box(obj); 37 break; 38 case PICK_AXE: 39 res = use_pick_axe(obj); 40 break; 41 42 case MAGIC_WHISTLE: 43 if (pl_character[0] == 'W' || u.ulevel > 9) { 44 use_magic_whistle(obj); 45 break; 46 } 47 /* fall into next case */ 48 case WHISTLE: 49 use_whistle(obj); 50 break; 51 52 case CAN_OPENER: 53 if (!carrying(TIN)) { 54 pline("You have no can to open."); 55 goto xit; 56 } 57 pline("You cannot open a tin without eating its contents."); 58 pline("In order to eat, use the 'e' command."); 59 if (obj != uwep) 60 pline("Opening the tin will be much easier if you wield the can-opener."); 61 goto xit; 62 63 default: 64 pline("Sorry, I don't know how to use that."); 65 xit: 66 nomul(0); 67 return (0); 68 } 69 nomul(0); 70 return (res); 71 } 72 73 static void 74 use_camera(struct obj *obj __unused) 75 { 76 struct monst *mtmp; 77 78 if (!getdir(1)) { /* ask: in what direction? */ 79 flags.move = multi = 0; 80 return; 81 } 82 if (u.uswallow) { 83 pline("You take a picture of %s's stomach.", monnam(u.ustuck)); 84 return; 85 } 86 if (u.dz) { 87 pline("You take a picture of the %s.", 88 (u.dz > 0) ? "floor" : "ceiling"); 89 return; 90 } 91 if ((mtmp = bchit(u.dx, u.dy, COLNO, '!')) != NULL) { 92 if (mtmp->msleep) { 93 mtmp->msleep = 0; 94 pline("The flash awakens %s.", monnam(mtmp)); /* a3 */ 95 } else if (mtmp->data->mlet != 'y') 96 if (mtmp->mcansee || mtmp->mblinded) { 97 int tmp = dist(mtmp->mx, mtmp->my); 98 int tmp2; 99 if (cansee(mtmp->mx, mtmp->my)) 100 pline("%s is blinded by the flash!", Monnam(mtmp)); 101 setmangry(mtmp); 102 if (tmp < 9 && !mtmp->isshk && rn2(4)) { 103 mtmp->mflee = 1; 104 if (rn2(4)) 105 mtmp->mfleetim = rnd(100); 106 } 107 if (tmp < 3) 108 mtmp->mcansee = mtmp->mblinded = 0; 109 else { 110 tmp2 = mtmp->mblinded; 111 tmp2 += rnd(1 + 50 / tmp); 112 if (tmp2 > 127) 113 tmp2 = 127; 114 mtmp->mblinded = tmp2; 115 mtmp->mcansee = 0; 116 } 117 } 118 } 119 } 120 121 static 122 struct obj *current_ice_box; /* a local variable of use_ice_box, to be 123 used by its local procedures in/ck_ice_box */ 124 static bool 125 in_ice_box(struct obj *obj) 126 { 127 if (obj == current_ice_box || 128 (Punished && (obj == uball || obj == uchain))) { 129 pline("You must be kidding."); 130 return (0); 131 } 132 if (obj->owornmask & (W_ARMOR | W_RING)) { 133 pline("You cannot refrigerate something you are wearing."); 134 return (0); 135 } 136 if (obj->owt + current_ice_box->owt > 70) { 137 pline("It won't fit."); 138 return (1); /* be careful! */ 139 } 140 if (obj == uwep) { 141 if (uwep->cursed) { 142 pline("Your weapon is welded to your hand!"); 143 return (0); 144 } 145 setuwep(NULL); 146 } 147 current_ice_box->owt += obj->owt; 148 freeinv(obj); 149 obj->o_cnt_id = current_ice_box->o_id; 150 obj->nobj = fcobj; 151 fcobj = obj; 152 obj->age = moves - obj->age; /* actual age */ 153 return (1); 154 } 155 156 static bool 157 ck_ice_box(struct obj *obj) 158 { 159 return (obj->o_cnt_id == current_ice_box->o_id); 160 } 161 162 static int 163 out_ice_box(struct obj *obj) 164 { 165 struct obj *otmp; 166 167 if (obj == fcobj) 168 fcobj = fcobj->nobj; 169 else { 170 for (otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj) 171 if (!otmp->nobj) 172 panic("out_ice_box"); 173 otmp->nobj = obj->nobj; 174 } 175 current_ice_box->owt -= obj->owt; 176 obj->age = moves - obj->age; /* simulated point of time */ 177 addinv(obj); 178 return (0); 179 } 180 181 static void 182 use_ice_box(struct obj *obj) 183 { 184 int cnt = 0; 185 struct obj *otmp; 186 187 current_ice_box = obj; /* for use by in/out_ice_box */ 188 for (otmp = fcobj; otmp; otmp = otmp->nobj) 189 if (otmp->o_cnt_id == obj->o_id) 190 cnt++; 191 if (!cnt) 192 pline("Your ice-box is empty."); 193 else { 194 pline("Do you want to take something out of the ice-box? [yn] "); 195 if (readchar() == 'y') 196 if (askchain(fcobj, NULL, 0, out_ice_box, ck_ice_box, 0)) 197 return; 198 pline("That was all. Do you wish to put something in? [yn] "); 199 if (readchar() != 'y') 200 return; 201 } 202 /* call getobj: 0: allow cnt; #: allow all types; %: expect food */ 203 otmp = getobj("0#%", "put in"); 204 if (!otmp || !in_ice_box(otmp)) 205 flags.move = multi = 0; 206 } 207 208 static 209 struct monst * 210 bchit(int ddx, int ddy, int range, char sym) 211 { 212 struct monst *mtmp = NULL; 213 int bchx = u.ux, bchy = u.uy; 214 215 if (sym) 216 Tmp_at(-1, sym); /* open call */ 217 while (range--) { 218 bchx += ddx; 219 bchy += ddy; 220 if ((mtmp = m_at(bchx, bchy))) 221 break; 222 if (!ZAP_POS(levl[bchx][bchy].typ)) { 223 bchx -= ddx; 224 bchy -= ddy; 225 break; 226 } 227 if (sym) 228 Tmp_at(bchx, bchy); 229 } 230 if (sym) 231 Tmp_at(-1, -1); 232 return (mtmp); 233 } 234 235 static void 236 use_whistle(struct obj *obj __unused) 237 { 238 struct monst *mtmp = fmon; 239 240 pline("You produce a high whistling sound."); 241 while (mtmp) { 242 if (dist(mtmp->mx, mtmp->my) < u.ulevel * 20) { 243 if (mtmp->msleep) 244 mtmp->msleep = 0; 245 if (mtmp->mtame) 246 EDOG(mtmp)->whistletime = moves; 247 } 248 mtmp = mtmp->nmon; 249 } 250 } 251 252 static void 253 use_magic_whistle(struct obj *obj __unused) 254 { 255 struct monst *mtmp = fmon; 256 257 pline("You produce a strange whistling sound."); 258 while (mtmp) { 259 if (mtmp->mtame) 260 mnexto(mtmp); 261 mtmp = mtmp->nmon; 262 } 263 } 264 265 static int dig_effort; /* effort expended on current pos */ 266 static uchar dig_level; 267 static coord dig_pos; 268 static boolean dig_down; 269 270 static 271 bool 272 dig(void) 273 { 274 struct rm *lev; 275 int dpx = dig_pos.x, dpy = dig_pos.y; 276 277 /* perhaps a nymph stole his pick-axe while he was busy digging */ 278 /* or perhaps he teleported away */ 279 if (u.uswallow || !uwep || uwep->otyp != PICK_AXE || 280 dig_level != dlevel || 281 ((dig_down && (dpx != u.ux || dpy != u.uy)) || 282 (!dig_down && dist(dpx, dpy) > 2))) 283 return (0); 284 285 dig_effort += 10 + abon() + uwep->spe + rn2(5); 286 if (dig_down) { 287 if (!xdnstair) { 288 pline("The floor here seems too hard to dig in."); 289 return (0); 290 } 291 if (dig_effort > 250) { 292 dighole(); 293 return (0); /* done with digging */ 294 } 295 if (dig_effort > 50) { 296 struct trap *ttmp = t_at(dpx, dpy); 297 298 if (!ttmp) { 299 ttmp = maketrap(dpx, dpy, PIT); 300 ttmp->tseen = 1; 301 pline("You have dug a pit."); 302 u.utrap = rn1(4, 2); 303 u.utraptype = TT_PIT; 304 return (0); 305 } 306 } 307 } else if (dig_effort > 100) { 308 const char *digtxt; 309 struct obj *obj; 310 311 lev = &levl[dpx][dpy]; 312 if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) != NULL) { 313 fracture_rock(obj); 314 digtxt = "The rock falls apart."; 315 } else if (!lev->typ || lev->typ == SCORR) { 316 lev->typ = CORR; 317 digtxt = "You succeeded in cutting away some rock."; 318 } else if (lev->typ == HWALL || lev->typ == VWALL 319 || lev->typ == SDOOR) { 320 lev->typ = xdnstair ? DOOR : ROOM; 321 digtxt = "You just made an opening in the wall."; 322 } else 323 digtxt = "Now what exactly was it that you were digging in?"; 324 mnewsym(dpx, dpy); 325 prl(dpx, dpy); 326 pline("%s", digtxt); /* after mnewsym & prl */ 327 return (0); 328 } else { 329 if (IS_WALL(levl[dpx][dpy].typ)) { 330 int rno = inroom(dpx, dpy); 331 332 if (rno >= 0 && rooms[rno].rtype >= 8) { 333 pline("This wall seems too hard to dig into."); 334 return (0); 335 } 336 } 337 pline("You hit the rock with all your might."); 338 } 339 return (1); 340 } 341 342 /* When will hole be finished? Very rough indication used by shopkeeper. */ 343 int 344 holetime(void) 345 { 346 return ((occupation == dig) ? (250 - dig_effort) / 20 : -1); 347 } 348 349 void 350 dighole(void) 351 { 352 struct trap *ttmp = t_at(u.ux, u.uy); 353 354 if (!xdnstair) { 355 pline("The floor here seems too hard to dig in."); 356 } else { 357 if (ttmp) 358 ttmp->ttyp = TRAPDOOR; 359 else 360 ttmp = maketrap(u.ux, u.uy, TRAPDOOR); 361 ttmp->tseen = 1; 362 pline("You've made a hole in the floor."); 363 if (!u.ustuck) { 364 if (inshop()) 365 shopdig(1); 366 pline("You fall through ..."); 367 if (u.utraptype == TT_PIT) { 368 u.utrap = 0; 369 u.utraptype = 0; 370 } 371 goto_level(dlevel + 1, FALSE); 372 } 373 } 374 } 375 376 static int 377 use_pick_axe(struct obj *obj) 378 { 379 char dirsyms[12]; 380 char *dsp = dirsyms, *sdp = sdir; 381 struct monst *mtmp; 382 struct rm *lev; 383 int rx, ry, res = 0; 384 385 if (obj != uwep) { 386 if (uwep && uwep->cursed) { 387 /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */ 388 pline("Since your weapon is welded to your hand,"); 389 pline("you cannot use that pick-axe."); 390 return (0); 391 } 392 pline("You now wield %s.", doname(obj)); 393 setuwep(obj); 394 res = 1; 395 } 396 while (*sdp) { 397 movecmd(*sdp); /* sets u.dx and u.dy and u.dz */ 398 rx = u.ux + u.dx; 399 ry = u.uy + u.dy; 400 if (u.dz > 0 || (u.dz == 0 && isok(rx, ry) && 401 (IS_ROCK(levl[rx][ry].typ) 402 || sobj_at(ENORMOUS_ROCK, rx, ry)))) 403 *dsp++ = *sdp; 404 sdp++; 405 } 406 *dsp = 0; 407 pline("In what direction do you want to dig? [%s] ", dirsyms); 408 if (!getdir(0)) /* no txt */ 409 return (res); 410 if (u.uswallow && attack(u.ustuck)) /* return(1) */ 411 ; 412 else if (u.dz < 0) 413 pline("You cannot reach the ceiling."); 414 else if (u.dz == 0) { 415 if (Confusion) 416 confdir(); 417 rx = u.ux + u.dx; 418 ry = u.uy + u.dy; 419 if ((mtmp = m_at(rx, ry)) && attack(mtmp)) 420 return (1); 421 if (!isok(rx, ry)) { 422 pline("Clash!"); 423 return (1); 424 } 425 lev = &levl[rx][ry]; 426 if (lev->typ == DOOR) 427 pline("Your %s against the door.", 428 aobjnam(obj, "clang")); 429 else if (!IS_ROCK(lev->typ) 430 && !sobj_at(ENORMOUS_ROCK, rx, ry)) { 431 /* ACCESSIBLE or POOL */ 432 pline("You swing your %s through thin air.", 433 aobjnam(obj, NULL)); 434 } else { 435 if (dig_pos.x != rx || dig_pos.y != ry 436 || dig_level != dlevel || dig_down) { 437 dig_down = FALSE; 438 dig_pos.x = rx; 439 dig_pos.y = ry; 440 dig_level = dlevel; 441 dig_effort = 0; 442 pline("You start digging."); 443 } else 444 pline("You continue digging."); 445 occupation = dig; 446 occtxt = "digging"; 447 } 448 } else if (Levitation) { 449 pline("You cannot reach the floor."); 450 } else { 451 if (dig_pos.x != u.ux || dig_pos.y != u.uy 452 || dig_level != dlevel || !dig_down) { 453 dig_down = TRUE; 454 dig_pos.x = u.ux; 455 dig_pos.y = u.uy; 456 dig_level = dlevel; 457 dig_effort = 0; 458 pline("You start digging in the floor."); 459 if (inshop()) 460 shopdig(0); 461 } else 462 pline("You continue digging in the floor."); 463 occupation = dig; 464 occtxt = "digging"; 465 } 466 return (1); 467 } 468