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