1 /*        $NetBSD: hack.do_wear.c,v 1.7 2009/08/12 07:28:40 dholland Exp $      */
2 
3 /*
4  * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5  * Amsterdam
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
12  * - Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * - 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  *
19  * - Neither the name of the Stichting Centrum voor Wiskunde en
20  * Informatica, nor the names of its contributors may be used to endorse or
21  * promote products derived from this software without specific prior
22  * written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 /*
38  * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39  * All rights reserved.
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  * 1. Redistributions of source code must retain the above copyright
45  *    notice, this list of conditions and the following disclaimer.
46  * 2. Redistributions in binary form must reproduce the above copyright
47  *    notice, this list of conditions and the following disclaimer in the
48  *    documentation and/or other materials provided with the distribution.
49  * 3. The name of the author may not be used to endorse or promote products
50  *    derived from this software without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
55  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62  */
63 
64 #include <sys/cdefs.h>
65 #ifndef lint
66 __RCSID("$NetBSD: hack.do_wear.c,v 1.7 2009/08/12 07:28:40 dholland Exp $");
67 #endif                                  /* not lint */
68 
69 #include "hack.h"
70 #include "extern.h"
71 
72 static int dorr(struct obj *);
73 static int cursed(struct obj *);
74 
75 static void
off_msg(struct obj * otmp)76 off_msg(struct obj *otmp)
77 {
78           pline("You were wearing %s.", doname(otmp));
79 }
80 
81 int
doremarm(void)82 doremarm(void)
83 {
84           struct obj     *otmp;
85           if (!uarm && !uarmh && !uarms && !uarmg) {
86                     pline("Not wearing any armor.");
87                     return (0);
88           }
89           otmp = (!uarmh && !uarms && !uarmg) ? uarm :
90                     (!uarms && !uarm && !uarmg) ? uarmh :
91                     (!uarmh && !uarm && !uarmg) ? uarms :
92                     (!uarmh && !uarm && !uarms) ? uarmg :
93                     getobj("[", "take off");
94           if (!otmp)
95                     return (0);
96           if (!(otmp->owornmask & (W_ARMOR - W_ARM2))) {
97                     pline("You can't take that off.");
98                     return (0);
99           }
100           if (otmp == uarmg && uwep && uwep->cursed) {      /* myers@uwmacc */
101                     pline("You seem not able to take off the gloves while holding your weapon.");
102                     return (0);
103           }
104           (void) armoroff(otmp);
105           return (1);
106 }
107 
108 int
doremring(void)109 doremring(void)
110 {
111           if (!uleft && !uright) {
112                     pline("Not wearing any ring.");
113                     return (0);
114           }
115           if (!uleft)
116                     return (dorr(uright));
117           if (!uright)
118                     return (dorr(uleft));
119           if (uleft && uright)
120                     while (1) {
121                               char            answer;
122 
123                               pline("What ring, Right or Left? [ rl?]");
124                               if (strchr(quitchars, (answer = readchar())))
125                                         return (0);
126                               switch (answer) {
127                               case 'l':
128                               case 'L':
129                                         return (dorr(uleft));
130                               case 'r':
131                               case 'R':
132                                         return (dorr(uright));
133                               case '?':
134                                         (void) doprring();
135                                         /* might look at morc here %% */
136                               }
137                     }
138           /* NOTREACHED */
139           return (0);
140 }
141 
142 static int
dorr(struct obj * otmp)143 dorr(struct obj *otmp)
144 {
145           if (cursed(otmp))
146                     return (0);
147           ringoff(otmp);
148           off_msg(otmp);
149           return (1);
150 }
151 
152 static int
cursed(struct obj * otmp)153 cursed(struct obj *otmp)
154 {
155           if (otmp->cursed) {
156                     pline("You can't. It appears to be cursed.");
157                     return (1);
158           }
159           return (0);
160 }
161 
162 int
armoroff(struct obj * otmp)163 armoroff(struct obj *otmp)
164 {
165           int             delay = -objects[otmp->otyp].oc_delay;
166           if (cursed(otmp))
167                     return (0);
168           setworn((struct obj *) 0, otmp->owornmask & W_ARMOR);
169           if (delay) {
170                     nomul(delay);
171                     switch (otmp->otyp) {
172                     case HELMET:
173                               nomovemsg = "You finished taking off your helmet.";
174                               break;
175                     case PAIR_OF_GLOVES:
176                               nomovemsg = "You finished taking off your gloves";
177                               break;
178                     default:
179                               nomovemsg = "You finished taking off your suit.";
180                     }
181           } else {
182                     off_msg(otmp);
183           }
184           return (1);
185 }
186 
187 int
doweararm(void)188 doweararm(void)
189 {
190           struct obj     *otmp;
191           int             delay;
192           int             err = 0;
193           long            mask = 0;
194 
195           otmp = getobj("[", "wear");
196           if (!otmp)
197                     return (0);
198           if (otmp->owornmask & W_ARMOR) {
199                     pline("You are already wearing that!");
200                     return (0);
201           }
202           if (otmp->otyp == HELMET) {
203                     if (uarmh) {
204                               pline("You are already wearing a helmet.");
205                               err++;
206                     } else
207                               mask = W_ARMH;
208           } else if (otmp->otyp == SHIELD) {
209                     if (uarms)
210                               pline("You are already wearing a shield."), err++;
211                     if (uwep && uwep->otyp == TWO_HANDED_SWORD)
212                               pline("You cannot wear a shield and wield a two-handed sword."), err++;
213                     if (!err)
214                               mask = W_ARMS;
215           } else if (otmp->otyp == PAIR_OF_GLOVES) {
216                     if (uarmg) {
217                               pline("You are already wearing gloves.");
218                               err++;
219                     } else if (uwep && uwep->cursed) {
220                               pline("You cannot wear gloves over your weapon.");
221                               err++;
222                     } else
223                               mask = W_ARMG;
224           } else {
225                     if (uarm) {
226                               if (otmp->otyp != ELVEN_CLOAK || uarm2) {
227                                         pline("You are already wearing some armor.");
228                                         err++;
229                               }
230                     }
231                     if (!err)
232                               mask = W_ARM;
233           }
234           if (otmp == uwep && uwep->cursed) {
235                     if (!err++)
236                               pline("%s is welded to your hand.", Doname(uwep));
237           }
238           if (err)
239                     return (0);
240           setworn(otmp, mask);
241           if (otmp == uwep)
242                     setuwep((struct obj *) 0);
243           delay = -objects[otmp->otyp].oc_delay;
244           if (delay) {
245                     nomul(delay);
246                     nomovemsg = "You finished your dressing manoeuvre.";
247           }
248           otmp->known = 1;
249           return (1);
250 }
251 
252 int
dowearring(void)253 dowearring(void)
254 {
255           struct obj     *otmp;
256           long            mask = 0;
257           long            oldprop;
258 
259           if (uleft && uright) {
260                     pline("There are no more ring-fingers to fill.");
261                     return (0);
262           }
263           otmp = getobj("=", "wear");
264           if (!otmp)
265                     return (0);
266           if (otmp->owornmask & W_RING) {
267                     pline("You are already wearing that!");
268                     return (0);
269           }
270           if (otmp == uleft || otmp == uright) {
271                     pline("You are already wearing that.");
272                     return (0);
273           }
274           if (otmp == uwep && uwep->cursed) {
275                     pline("%s is welded to your hand.", Doname(uwep));
276                     return (0);
277           }
278           if (uleft)
279                     mask = RIGHT_RING;
280           else if (uright)
281                     mask = LEFT_RING;
282           else
283                     do {
284                               char            answer;
285 
286                               pline("What ring-finger, Right or Left? ");
287                               if (strchr(quitchars, (answer = readchar())))
288                                         return (0);
289                               switch (answer) {
290                               case 'l':
291                               case 'L':
292                                         mask = LEFT_RING;
293                                         break;
294                               case 'r':
295                               case 'R':
296                                         mask = RIGHT_RING;
297                                         break;
298                               }
299                     } while (!mask);
300           setworn(otmp, mask);
301           if (otmp == uwep)
302                     setuwep((struct obj *) 0);
303           oldprop = u.uprops[PROP(otmp->otyp)].p_flgs;
304           u.uprops[PROP(otmp->otyp)].p_flgs |= mask;
305           switch (otmp->otyp) {
306           case RIN_LEVITATION:
307                     if (!oldprop)
308                               float_up();
309                     break;
310           case RIN_PROTECTION_FROM_SHAPE_CHANGERS:
311                     rescham();
312                     break;
313           case RIN_GAIN_STRENGTH:
314                     u.ustr += otmp->spe;
315                     u.ustrmax += otmp->spe;
316                     if (u.ustr > 118)
317                               u.ustr = 118;
318                     if (u.ustrmax > 118)
319                               u.ustrmax = 118;
320                     flags.botl = 1;
321                     break;
322           case RIN_INCREASE_DAMAGE:
323                     u.udaminc += otmp->spe;
324                     break;
325           }
326           prinv(otmp);
327           return (1);
328 }
329 
330 void
ringoff(struct obj * obj)331 ringoff(struct obj *obj)
332 {
333           long            mask;
334           mask = obj->owornmask & W_RING;
335           setworn((struct obj *) 0, obj->owornmask);
336           if (!(u.uprops[PROP(obj->otyp)].p_flgs & mask))
337                     impossible("Strange... I didnt know you had that ring.");
338           u.uprops[PROP(obj->otyp)].p_flgs &= ~mask;
339           switch (obj->otyp) {
340           case RIN_FIRE_RESISTANCE:
341                     /* Bad luck if the player is in hell... --jgm */
342                     if (!Fire_resistance && dlevel >= 30) {
343                               pline("The flames of Hell burn you to a crisp.");
344                               killer = "stupidity in hell";
345                               done("burned");
346                     }
347                     break;
348           case RIN_LEVITATION:
349                     if (!Levitation) {  /* no longer floating */
350                               float_down();
351                     }
352                     break;
353           case RIN_GAIN_STRENGTH:
354                     u.ustr -= obj->spe;
355                     u.ustrmax -= obj->spe;
356                     if (u.ustr > 118)
357                               u.ustr = 118;
358                     if (u.ustrmax > 118)
359                               u.ustrmax = 118;
360                     flags.botl = 1;
361                     break;
362           case RIN_INCREASE_DAMAGE:
363                     u.udaminc -= obj->spe;
364                     break;
365           }
366 }
367 
368 void
find_ac(void)369 find_ac(void)
370 {
371           int             uac = 10;
372           if (uarm)
373                     uac -= ARM_BONUS(uarm);
374           if (uarm2)
375                     uac -= ARM_BONUS(uarm2);
376           if (uarmh)
377                     uac -= ARM_BONUS(uarmh);
378           if (uarms)
379                     uac -= ARM_BONUS(uarms);
380           if (uarmg)
381                     uac -= ARM_BONUS(uarmg);
382           if (uleft && uleft->otyp == RIN_PROTECTION)
383                     uac -= uleft->spe;
384           if (uright && uright->otyp == RIN_PROTECTION)
385                     uac -= uright->spe;
386           if (uac != u.uac) {
387                     u.uac = uac;
388                     flags.botl = 1;
389           }
390 }
391 
392 void
glibr(void)393 glibr(void)
394 {
395           struct obj     *otmp;
396           int             xfl = 0;
397           if (!uarmg)
398                     if (uleft || uright) {
399                               /* Note: at present also cursed rings fall off */
400                               pline("Your %s off your fingers.",
401                                  (uleft && uright) ? "rings slip" : "ring slips");
402                               xfl++;
403                               if ((otmp = uleft) != Null(obj)) {
404                                         ringoff(uleft);
405                                         dropx(otmp);
406                               }
407                               if ((otmp = uright) != Null(obj)) {
408                                         ringoff(uright);
409                                         dropx(otmp);
410                               }
411                     }
412           if ((otmp = uwep) != Null(obj)) {
413                     /* Note: at present also cursed weapons fall */
414                     setuwep((struct obj *) 0);
415                     dropx(otmp);
416                     pline("Your weapon %sslips from your hands.",
417                           xfl ? "also " : "");
418           }
419 }
420 
421 struct obj     *
some_armor(void)422 some_armor(void)
423 {
424           struct obj     *otmph = uarm;
425           if (uarmh && (!otmph || !rn2(4)))
426                     otmph = uarmh;
427           if (uarmg && (!otmph || !rn2(4)))
428                     otmph = uarmg;
429           if (uarms && (!otmph || !rn2(4)))
430                     otmph = uarms;
431           return (otmph);
432 }
433 
434 void
corrode_armor(void)435 corrode_armor(void)
436 {
437           struct obj     *otmph = some_armor();
438           if (otmph) {
439                     if (otmph->rustfree ||
440                         otmph->otyp == ELVEN_CLOAK ||
441                         otmph->otyp == LEATHER_ARMOR ||
442                         otmph->otyp == STUDDED_LEATHER_ARMOR) {
443                               pline("Your %s not affected!",
444                                     aobjnam(otmph, "are"));
445                               return;
446                     }
447                     pline("Your %s!", aobjnam(otmph, "corrode"));
448                     otmph->spe--;
449           }
450 }
451