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Comparing deliantra/server/server/apply.C (file contents):
Revision 1.138 by elmex, Thu Nov 22 21:37:33 2007 UTC vs.
Revision 1.278 by root, Thu Nov 17 04:49:22 2016 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24#include <cmath> 25#include <cmath>
25 26
… …
29#include <skills.h> 30#include <skills.h>
30#include <tod.h> 31#include <tod.h>
31 32
32#include <sproto.h> 33#include <sproto.h>
33 34
34/* Want this regardless of rplay. */ 35// these must be in the inventory before they can be applied
35#include <sounds.h>
36 36
37/** 37static const struct apply_types_inv_only : typeset
38 * Check if op should abort moving victim because of it's race or slaying.
39 * Returns 1 if it should abort, returns 0 if it should continue.
40 */
41int
42should_director_abort (object *op, object *victim)
43{ 38{
44 int arch_flag, name_flag, race_flag; 39 apply_types_inv_only ()
45
46 /* Get flags to determine what of arch, name, and race should be checked.
47 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
48 * the next is the name flag, and the last is the race flag. Also note,
49 * if subtype is set to zero, that also goes to defaults of all affecting
50 * it. Examples:
51 * subtype 1: only arch
52 * subtype 3: arch or name
53 * subtype 5: arch or race
54 * subtype 7: all three
55 */
56 if (op->subtype)
57 { 40 {
58 arch_flag = (op->subtype & 1); 41 set (WEAPON);
59 name_flag = (op->subtype & 2); 42 set (ARMOUR);
60 race_flag = (op->subtype & 4); 43 set (BOOTS);
44 set (GLOVES);
45 set (AMULET);
46 set (GIRDLE);
47 set (BRACERS);
48 set (SHIELD);
49 set (HELMET);
50 set (RING);
51 set (CLOAK);
52 set (WAND);
53 set (ROD);
54 set (HORN);
55 set (SKILL);
56 set (SPELL);
57 set (BOW);
58 set (RANGED);
59 set (BUILDER);
60 set (SKILL_TOOL);
61 } 61 }
62 else 62} apply_types_inv_only;
63
64// these only make sense for the player
65
66static const struct apply_types_player_only : typeset
67{
68 apply_types_player_only ()
63 { 69 {
64 arch_flag = 1; 70 set (TRANSPORT);
65 name_flag = 1; 71 set (EXIT);
66 race_flag = 1; 72 set (BOOK);
73 set (SIGN);
74 set (BOOK);
75 set (SKILLSCROLL);
76 set (SPELLBOOK);
77 set (INSCRIBABLE);
78 set (TREASURE);
79 set (SAVEBED);
80 set (ARMOUR_IMPROVER);
81 set (WEAPON_IMPROVER);
82 set (CLOCK);
83 set (MENU);
84 set (LIGHTER); /* for lighting torches/lanterns/etc */
67 } 85 }
86} apply_types_player_only;
68 87
69 /* If the director has race set, only affect objects with a arch, 88// applying these _can_ be attempted, others cannot
70 * name or race that matches. 89// be applied at all. used by e.g. apply below.
71 */
72 if ((op->race) &&
73 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
74 ((!(victim->name && name_flag) || op->race != victim->name)) &&
75 ((!(victim->race && race_flag) || op->race != victim->race)))
76 return 1;
77 90
78 /* If the director has slaying set, only affect objects where none 91static const struct apply_types : typeset
79 * of arch, name, or race match.
80 */
81 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
82 ((victim->name && name_flag && op->slaying == victim->name)) ||
83 ((victim->race && race_flag && op->slaying == victim->race)))
84 return 1;
85
86 return 0;
87}
88
89/**
90 * This handles a player dropping money on an altar to identify stuff.
91 * It'll identify marked item, if none all items up to dropped money.
92 * Return value: 1 if money was destroyed, 0 if not.
93 */
94static int
95apply_id_altar (object *money, object *altar, object *pl)
96{ 92{
97 dynbuf_text buf; 93 apply_types ()
98 94 : typeset ((typeset)apply_types_player_only | (typeset)apply_types_inv_only)
99 if (!pl || pl->type != PLAYER)
100 return 0;
101
102 /* Check for MONEY type is a special hack - it prevents 'nothing needs
103 * identifying' from being printed out more than it needs to be.
104 */
105 if (!check_altar_sacrifice (altar, money) || money->type != MONEY)
106 return 0;
107
108 /* if the player has a marked item, identify that if it needs to be
109 * identified. If it doesn't, then go through the player inventory.
110 */
111 if (object *marked = find_marked_object (pl))
112 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
113 {
114 if (operate_altar (altar, &money))
115 {
116 identify (marked);
117
118 buf.printf ("You have %s.\n\n", long_desc (marked, pl));
119 if (marked->msg)
120 buf << "The item has a story:\n\n" << marked->msg << "\n\n";
121
122 return !money;
123 }
124 }
125
126 for (object *id = pl->inv; id; id = id->below)
127 { 95 {
128 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id)) 96 set (T_HANDLE);
129 { 97 set (TRIGGER);
130 if (operate_altar (altar, &money)) 98 set (SCROLL);
131 { 99 set (POTION);
132 identify (id); 100 set (CLOSE_CON);
133 101 set (CONTAINER);
134 buf.printf ("You have %s.\n\n", long_desc (id, pl)); 102 set (LAMP);
135 if (id->msg) 103 set (TORCH);
136 buf << "The item has a story:\n\n" << id->msg << "\n\n"; 104 set (DRINK);
137 105 set (FOOD);
138 /* If no more money, might as well quit now */ 106 set (FLESH);
139 if (!money || !check_altar_sacrifice (altar, money)) 107 set (POISON);
140 break; 108 set (POWER_CRYSTAL);
141 } 109 set (ITEM_TRANSFORMER);
142 else
143 {
144 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
145 break;
146 }
147 }
148 } 110 }
149 111} apply_types;
150 if (buf.empty ())
151 pl->failmsg ("You have nothing that needs identifying");
152 else
153 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
154
155 return !money;
156}
157
158/**
159 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
160 * matching item.
161 **/
162void
163handle_apply_yield (object *tmp)
164{
165 const char *yield;
166
167 yield = get_ob_key_value (tmp, "on_use_yield");
168 if (yield != NULL)
169 {
170 object *drop = get_archetype (yield);
171
172 if (tmp->env)
173 {
174 drop = insert_ob_in_ob (drop, tmp->env);
175 if (tmp->env->type == PLAYER)
176 esrv_send_item (tmp->env, drop);
177 }
178 else
179 {
180 drop->x = tmp->x;
181 drop->y = tmp->y;
182 insert_ob_in_map (drop, tmp->map, tmp, INS_BELOW_ORIGINATOR);
183 }
184 }
185}
186
187/**
188 * Handles applying a potion.
189 */
190int
191apply_potion (object *op, object *tmp)
192{
193 int got_one = 0, i;
194 object *force = 0, *floor = 0;
195
196 floor = GET_MAP_OB (op->map, op->x, op->y);
197
198 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
199 {
200 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
201
202 CLEAR_FLAG (tmp, FLAG_APPLIED);
203 return 0;
204 }
205
206 if (op->type == PLAYER)
207 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
208 identify (tmp);
209
210 handle_apply_yield (tmp);
211
212 /* Potion of restoration - only for players */
213 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
214 {
215 object *depl;
216 archetype *at;
217
218 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
219 {
220 op->drain_stat ();
221 op->update_stats ();
222 decrease_ob (tmp);
223 return 1;
224 }
225
226 if (!(at = archetype::find (ARCH_DEPLETION)))
227 {
228 LOG (llevError, "Could not find archetype depletion\n");
229 return 0;
230 }
231 depl = present_arch_in_ob (at, op);
232
233 if (depl)
234 {
235 for (i = 0; i < NUM_STATS; i++)
236 if (depl->stats.stat (i))
237 op->statusmsg (restore_msg[i]);
238
239 depl->destroy ();
240 op->update_stats ();
241 }
242 else
243 op->statusmsg ("Your potion had no effect.");
244
245 decrease_ob (tmp);
246 return 1;
247 }
248
249 /* improvement potion - only for players */
250 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
251 {
252 for (i = 1; i < MIN (11, op->level); i++)
253 {
254 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
255 {
256 if (op->contr->levhp[i] != 1)
257 {
258 op->contr->levhp[i] = 1;
259 break;
260 }
261
262 if (op->contr->levsp[i] != 1)
263 {
264 op->contr->levsp[i] = 1;
265 break;
266 }
267
268 if (op->contr->levgrace[i] != 1)
269 {
270 op->contr->levgrace[i] = 1;
271 break;
272 }
273 }
274 else
275 {
276 if (op->contr->levhp[i] < 9)
277 {
278 op->contr->levhp[i] = 9;
279 break;
280 }
281
282 if (op->contr->levsp[i] < 6)
283 {
284 op->contr->levsp[i] = 6;
285 break;
286 }
287
288 if (op->contr->levgrace[i] < 3)
289 {
290 op->contr->levgrace[i] = 3;
291 break;
292 }
293 }
294 }
295
296 /* Just makes checking easier */
297 if (i < MIN (11, op->level))
298 got_one = 1;
299
300 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
301 {
302 if (got_one)
303 {
304 op->update_stats ();
305 op->statusmsg ("The Gods smile upon you and remake you "
306 "a little more in their image. "
307 "You feel a little more perfect.", NDI_GREEN);
308 }
309 else
310 op->statusmsg ("The potion had no effect - you are already perfect.");
311 }
312 else
313 { /* cursed potion */
314 if (got_one)
315 {
316 op->update_stats ();
317 op->failmsg ("The Gods are angry and punish you.");
318 }
319 else
320 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
321 }
322
323 decrease_ob (tmp);
324 return 1;
325 }
326
327
328 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
329 * and heroism all fit into this category. Given the spell object code,
330 * there is no limit to the number of spells that potions can be cast,
331 * but direction is problematic to try and imbue fireball potions for example.
332 */
333 if (tmp->inv)
334 {
335 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
336 {
337 object *fball;
338
339 op->failmsg ("Yech! Your lungs are on fire!");
340
341 /* Explodes a fireball centered at player */
342 fball = get_archetype (EXPLODING_FIREBALL);
343 fball->dam_modifier = random_roll (1, op->level, op, PREFER_LOW) / 5 + 1;
344 fball->stats.maxhp = random_roll (1, op->level, op, PREFER_LOW) / 10 + 2;
345 fball->x = op->x;
346 fball->y = op->y;
347 insert_ob_in_map (fball, op->map, NULL, 0);
348 }
349 else
350 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
351
352 decrease_ob (tmp);
353
354 /* if youre dead, no point in doing this... */
355 if (!QUERY_FLAG (op, FLAG_REMOVED))
356 op->update_stats ();
357
358 return 1;
359 }
360
361 /* Deal with protection potions */
362 force = NULL;
363 for (i = 0; i < NROFATTACKS; i++)
364 {
365 if (tmp->resist[i])
366 {
367 if (!force)
368 force = get_archetype (FORCE_NAME);
369
370 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
371 force->type = POTION_EFFECT;
372 break; /* Only need to find one protection since we copy entire batch */
373 }
374 }
375
376 /* This is a protection potion */
377 if (force)
378 {
379 /* cursed items last longer */
380 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
381 {
382 force->stats.food *= 10;
383 for (i = 0; i < NROFATTACKS; i++)
384 if (force->resist[i] > 0)
385 force->resist[i] = -force->resist[i]; /* prot => vuln */
386 }
387
388 force->speed_left = -1;
389 force = insert_ob_in_ob (force, op);
390 CLEAR_FLAG (tmp, FLAG_APPLIED);
391 SET_FLAG (force, FLAG_APPLIED);
392 change_abil (op, force);
393 decrease_ob (tmp);
394 return 1;
395 }
396
397 /* Only thing left are the stat potions */
398 if (op->type == PLAYER)
399 { /* only for players */
400 if ((QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)) && tmp->value != 0)
401 CLEAR_FLAG (tmp, FLAG_APPLIED);
402 else
403 SET_FLAG (tmp, FLAG_APPLIED);
404
405 if (!change_abil (op, tmp))
406 op->statusmsg ("Nothing happened.");
407 }
408
409 /* CLEAR_FLAG is so that if the character has other potions
410 * that were grouped with the one consumed, his
411 * stat will not be raised by them. fix_player just clears
412 * up all the stats.
413 */
414 CLEAR_FLAG (tmp, FLAG_APPLIED);
415 op->update_stats ();
416 decrease_ob (tmp);
417 return 1;
418}
419 112
420/**************************************************************************** 113/****************************************************************************
421 * Weapon improvement code follows 114 * Weapon improvement code follows
422 ****************************************************************************/ 115 ****************************************************************************/
423 116
424/** 117/**
118 * This function just checks whether who can handle equipping an item
119 * with item_power.
120 */
121static bool
122check_item_power (object *who, int item_power)
123{
124 if (who->type == PLAYER
125 && item_power
126 && item_power + who->contr->item_power > settings.item_power_factor * who->level)
127 return false;
128 else
129 return true;
130}
131
132/**
425 * This returns the sum of nrof of item (arch name). 133 * This returns the sum of nrof of item (arch name).
426 */ 134 */
427static int 135static int
428check_item (object *op, const char *item) 136check_item (object *op, shstr_cmp item)
429{ 137{
430 int count = 0; 138 int count = 0;
431 139
432 if (!item) 140 if (!item)
433 return 0; 141 return 0;
434 142
435 for (op = op->below; op; op = op->below) 143 for (op = op->below; op; op = op->below)
436 {
437 if (strcmp (op->arch->archname, item) == 0) 144 if (op->arch->archname == item)
438 { 145 if (!op->flag [FLAG_CURSED] && !op->flag [FLAG_DAMNED]
439 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED)
440 /* Loophole bug? -FD- */ && !QUERY_FLAG (op, FLAG_UNPAID)) 146 && /* Loophole bug? -FD- */ !op->flag [FLAG_UNPAID])
441 {
442 if (op->nrof == 0) /* this is necessary for artifact sacrifices --FD-- */
443 count++;
444 else
445 count += op->nrof; 147 count += op->number_of ();
446 }
447 }
448 }
449 148
450 return count; 149 return count;
451} 150}
452 151
453/** 152/**
… …
455 * op is typically the player, which is only 154 * op is typically the player, which is only
456 * really used to determine what space to look at. 155 * really used to determine what space to look at.
457 * Modified to only eat 'nrof' of objects. 156 * Modified to only eat 'nrof' of objects.
458 */ 157 */
459static void 158static void
460eat_item (object *op, const char *item, uint32 nrof) 159eat_item (object *op, shstr_cmp item, uint32 nrof)
461{ 160{
462 object *prev; 161 object *prev;
463 162
464 prev = op; 163 prev = op;
465 op = op->below; 164 op = op->below;
466 165
467 while (op) 166 while (op)
468 { 167 {
469 if (strcmp (op->arch->archname, item) == 0) 168 if (op->arch->archname == item)
470 { 169 {
471 if (op->nrof >= nrof) 170 if (op->nrof >= nrof)
472 { 171 {
473 decrease_ob_nr (op, nrof); 172 op->decrease (nrof);
474 return; 173 return;
475 } 174 }
476 else 175 else
477 { 176 {
478 decrease_ob_nr (op, op->nrof); 177 op->decrease (nrof);
479 nrof -= op->nrof; 178 nrof -= op->nrof;
480 } 179 }
481 180
482 op = prev; 181 op = prev;
483 } 182 }
… …
486 op = op->below; 185 op = op->below;
487 } 186 }
488} 187}
489 188
490/** 189/**
491 * This checks to see of the player (who) is sufficient level to use a weapon
492 * with improvs improvements (typically last_eat). We take an int here
493 * instead of the object so that the improvement code can pass along the
494 * increased value to see if the object is usuable.
495 * we return 1 (true) if the player can use the weapon.
496 */
497static int
498check_weapon_power (const object *who, int improvs)
499{
500/* Old code is below (commented out). Basically, since weapons are the only
501 * object players really have any control to improve, it's a bit harsh to
502 * require high level in some combat skill, so we just use overall level.
503 */
504#if 1
505 if (((who->level / 5) + 5) >= improvs)
506 return 1;
507 else
508 return 0;
509
510#else
511 int level = 0;
512
513 /* The skill system hands out wc and dam bonuses to fighters
514 * more generously than the old system (see fix_player). Thus
515 * we need to curtail the power of player enchanted weapons.
516 * I changed this to 1 improvement per "fighter" level/5 -b.t.
517 * Note: Nothing should break by allowing this ratio to be different or
518 * using normal level - it is just a matter of play balance.
519 */
520 if (who->type == PLAYER)
521 {
522 object *wc_obj = NULL;
523
524 for (wc_obj = who->inv; wc_obj; wc_obj = wc_obj->below)
525 if (wc_obj->type == SKILL && IS_COMBAT_SKILL (wc_obj->subtype) && wc_obj->level > level)
526 level = wc_obj->level;
527
528 if (!level)
529 {
530 LOG (llevError, "Error: Player: %s lacks wc experience object\n", who->name);
531 level = who->level;
532 }
533 }
534 else
535 level = who->level;
536
537 return (improvs <= ((level / 5) + 5));
538#endif
539}
540
541/**
542 * Returns how many items of type improver->slaying there are under op. 190 * Returns how many items of type improver->slaying there are under op.
543 * Will display a message if none found, and 1 if improver->slaying is NULL. 191 * Will display a message if none found, and 1 if improver->slaying is NULL.
544 */ 192 */
545static int 193static int
546check_sacrifice (object *op, const object *improver) 194check_sacrifice (object *op, const object *improver)
… …
550 if (improver->slaying) 198 if (improver->slaying)
551 { 199 {
552 count = check_item (op, improver->slaying); 200 count = check_item (op, improver->slaying);
553 if (count < 1) 201 if (count < 1)
554 { 202 {
555 op->failmsg (format ("The gods want more %ss", &improver->slaying)); 203 op->failmsgf ("The gods want more %ss", &improver->slaying);
556 return 0; 204 return 0;
557 } 205 }
558 } 206 }
559 else 207 else
560 count = 1; 208 count = 1;
… …
568static int 216static int
569improve_weapon_stat (object *op, object *improver, object *weapon, sint8 &stat, int sacrifice_count, const char *statname) 217improve_weapon_stat (object *op, object *improver, object *weapon, sint8 &stat, int sacrifice_count, const char *statname)
570{ 218{
571 stat += sacrifice_count; 219 stat += sacrifice_count;
572 weapon->last_eat++; 220 weapon->last_eat++;
573 decrease_ob (improver); 221 improver->decrease ();
574 222
575 /* So it updates the players stats and the window */ 223 /* So it updates the players stats and the window */
576 op->update_stats (); 224 op->update_stats ();
577 225
578 op->statusmsg (format ( 226 op->statusmsg (format (
… …
599 247
600/** 248/**
601 * This does the prepare weapon scroll. 249 * This does the prepare weapon scroll.
602 * Checks for sacrifice, and so on. 250 * Checks for sacrifice, and so on.
603 */ 251 */
604int 252static int
605prepare_weapon (object *op, object *improver, object *weapon) 253prepare_weapon (object *op, object *improver, object *weapon)
606{ 254{
607 int sacrifice_count, i; 255 int sacrifice_count, i;
608 char buf[MAX_BUF];
609 256
610 if (weapon->level != 0) 257 if (weapon->level != 0)
611 { 258 {
612 op->failmsg ("Weapon is already prepared!"); 259 op->failmsg ("Weapon is already prepared!");
613 return 0; 260 return 0;
… …
625 weapon->stats.exp || /* speed */ 272 weapon->stats.exp || /* speed */
626 weapon->stats.ac) /* AC - only taifu's I think */ 273 weapon->stats.ac) /* AC - only taifu's I think */
627 { 274 {
628 op->failmsg ("You cannot prepare magic weapons. " 275 op->failmsg ("You cannot prepare magic weapons. "
629 "H<A weapon is considered magical if it changes regeneration, " 276 "H<A weapon is considered magical if it changes regeneration, "
630 "speed or ac.>"); 277 "speed or ac, or has other protections.>");
631 return 0; 278 return 0;
632 } 279 }
633 280
634 sacrifice_count = check_sacrifice (op, improver); 281 sacrifice_count = check_sacrifice (op, improver);
635 if (sacrifice_count <= 0) 282 if (sacrifice_count <= 0)
… …
642 "Your sacrifice was accepted." 289 "Your sacrifice was accepted."
643 "Your *%s may be improved %d times.", 290 "Your *%s may be improved %d times.",
644 &weapon->name, weapon->level 291 &weapon->name, weapon->level
645 )); 292 ));
646 293
647 sprintf (buf, "%s's %s", &op->name, &weapon->name); 294 weapon->name = weapon->name_pl = format ("%s's %s", &op->name, &weapon->name);
648 weapon->name = weapon->name_pl = buf;
649 weapon->nrof = 0; /* prevents preparing n weapons in the same 295 weapon->nrof = 0; /* prevents preparing n weapons in the same
650 slot at once! */ 296 slot at once! */
651 decrease_ob (improver); 297 improver->decrease ();
652 weapon->last_eat = 0; 298 weapon->last_eat = 0;
653 return 1; 299 return 1;
654} 300}
655
656 301
657/** 302/**
658 * Does the dirty job for 'improve weapon' scroll, prepare or add something. 303 * Does the dirty job for 'improve weapon' scroll, prepare or add something.
659 * This is the new improve weapon code. 304 * This is the new improve weapon code.
660 * Returns 0 if it was not able to work for some reason. 305 * Returns 0 if it was not able to work for some reason.
… …
663 * 308 *
664 * We are hiding extra information about the weapon in the level and 309 * We are hiding extra information about the weapon in the level and
665 * last_eat numbers for an object. Hopefully this won't break anything ?? 310 * last_eat numbers for an object. Hopefully this won't break anything ??
666 * level == max improve last_eat == current improve 311 * level == max improve last_eat == current improve
667 */ 312 */
668int 313static int
669improve_weapon (object *op, object *improver, object *weapon) 314improve_weapon (object *op, object *improver, object *weapon)
670{ 315{
671 int sacrifice_count, sacrifice_needed = 0; 316 int sacrifice_count, sacrifice_needed = 0;
672 317
673 if (improver->stats.sp == IMPROVE_PREPARE) 318 if (improver->stats.sp == IMPROVE_PREPARE)
674 return prepare_weapon (op, improver, weapon); 319 return prepare_weapon (op, improver, weapon);
675 320
676 if (weapon->level == 0) 321 if (weapon->level == 0)
677 { 322 {
678 op->failmsg ("This weapon has not been prepared. H<You first ahve to prepare a weapon with a prepare weapon scroll.>"); 323 op->failmsg (
324 "This weapon has not been prepared."
325 " H<You first have to prepare a weapon with a prepare weapon scroll.>");
679 return 0; 326 return 0;
680 } 327 }
681 328
682 if (weapon->level == weapon->last_eat && weapon->item_power >= 100) 329 if (weapon->last_eat >= weapon->level // improvements used up
330 || weapon->item_power >= 100) // or item_power >= arbitrary limit of 100
683 { 331 {
684 op->failmsg ("This weapon cannot be improved any more."); 332 op->failmsg ("This weapon cannot be improved any more.");
685 return 0; 333 return 0;
686 } 334 }
687 335
688 if (QUERY_FLAG (weapon, FLAG_APPLIED) && !check_weapon_power (op, weapon->last_eat + 1)) 336 if (weapon->flag [FLAG_APPLIED]
337 && !check_item_power (op, weapon->item_power + 1))
689 { 338 {
690 op->failmsg ("Improving the weapon will make it too " 339 op->failmsg ("Improving the weapon will make it too "
691 "powerful for you to use. Unready it if you " 340 "powerful for you to use. Unready it if you "
692 "really want to improve it."); 341 "really want to improve it.");
693 return 0; 342 return 0;
… …
704 weapon->weight += 5000; /* 5 KG's */ 353 weapon->weight += 5000; /* 5 KG's */
705 op->statusmsg (format ("Damage has been increased by 5 to %d.", weapon->stats.dam)); 354 op->statusmsg (format ("Damage has been increased by 5 to %d.", weapon->stats.dam));
706 weapon->last_eat++; 355 weapon->last_eat++;
707 356
708 weapon->item_power++; 357 weapon->item_power++;
709 decrease_ob (improver); 358 improver->decrease ();
710 return 1; 359 return 1;
711 } 360 }
712 361
713 if (improver->stats.sp == IMPROVE_WEIGHT) 362 if (improver->stats.sp == IMPROVE_WEIGHT)
714 { 363 {
… …
718 weapon->weight = 1; 367 weapon->weight = 1;
719 368
720 op->statusmsg (format ("Weapon weight reduced to %6.1fkg.", (float) weapon->weight / 1000.0)); 369 op->statusmsg (format ("Weapon weight reduced to %6.1fkg.", (float) weapon->weight / 1000.0));
721 weapon->last_eat++; 370 weapon->last_eat++;
722 weapon->item_power++; 371 weapon->item_power++;
723 decrease_ob (improver); 372 improver->decrease ();
724 return 1; 373 return 1;
725 } 374 }
375
726 if (improver->stats.sp == IMPROVE_ENCHANT) 376 if (improver->stats.sp == IMPROVE_ENCHANT)
727 { 377 {
728 weapon->magic++; 378 weapon->magic++;
729 weapon->last_eat++; 379 weapon->last_eat++;
730 op->statusmsg (format ("Weapon magic increased to %d.", weapon->magic)); 380 op->statusmsg (format ("Weapon magic increased to %d.", weapon->magic));
731 decrease_ob (improver); 381 improver->decrease ();
732 weapon->item_power++; 382 weapon->item_power++;
733 return 1; 383 return 1;
734 } 384 }
735 385
736 sacrifice_needed = weapon->stats.Str + weapon->stats.Int + weapon->stats.Dex + 386 sacrifice_needed = weapon->stats.Str + weapon->stats.Int + weapon->stats.Dex +
… …
741 sacrifice_needed *= 2; 391 sacrifice_needed *= 2;
742 392
743 sacrifice_count = check_sacrifice (op, improver); 393 sacrifice_count = check_sacrifice (op, improver);
744 if (sacrifice_count < sacrifice_needed) 394 if (sacrifice_count < sacrifice_needed)
745 { 395 {
746 op->failmsg (format ("You need at least %d %s.", sacrifice_needed, &improver->slaying)); 396 op->failmsgf ("You need at least %d %s.", sacrifice_needed, &improver->slaying);
747 return 0; 397 return 0;
748 } 398 }
749 399
750 eat_item (op, improver->slaying, sacrifice_needed); 400 eat_item (op, improver->slaying, sacrifice_needed);
751 weapon->item_power++; 401 weapon->item_power++;
… …
770/** 420/**
771 * Handles the applying of improve/prepare/enchant weapon scroll. 421 * Handles the applying of improve/prepare/enchant weapon scroll.
772 * Checks a few things (not on a non-magic square, marked weapon, ...), 422 * Checks a few things (not on a non-magic square, marked weapon, ...),
773 * then calls improve_weapon to do the dirty work. 423 * then calls improve_weapon to do the dirty work.
774 */ 424 */
775int 425static int
776check_improve_weapon (object *op, object *tmp) 426check_improve_weapon (object *op, object *tmp)
777{ 427{
778 object *otmp;
779
780 if (op->type != PLAYER) 428 if (op->type != PLAYER)
781 return 0; 429 return 0;
782 430
783 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)) 431 if (!op->flag [FLAG_WIZCAST] && (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC))
784 { 432 {
785 op->failmsg ("Something blocks the magic of the scroll!"); 433 op->failmsg ("Something blocks the magic of the scroll!");
786 return 0; 434 return 0;
787 } 435 }
788 436
789 otmp = find_marked_object (op); 437 object *otmp = op->mark ();
438
790 if (!otmp) 439 if (!otmp)
791 { 440 {
792 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>"); 441 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>");
793 return 0; 442 return 0;
794 } 443 }
795 444
796 if (otmp->type != WEAPON && otmp->type != BOW) 445 if (otmp->type != WEAPON && otmp->type != BOW)
797 { 446 {
798 op->failmsg ("Marked item is not a weapon or bow!"); 447 op->failmsg ("Marked item is not a weapon or bow!");
448 return 0;
449 }
450
451 if (!op->apply (otmp, AP_UNAPPLY))
452 {
453 op->failmsg ("You are unable to take off your weapon to improve it!");
799 return 0; 454 return 0;
800 } 455 }
801 456
802 op->statusmsg ("Applied weapon builder."); 457 op->statusmsg ("Applied weapon builder.");
803 458
… …
826 * the armour value of the piece of equipment exceed either 481 * the armour value of the piece of equipment exceed either
827 * the users level or 90) 482 * the users level or 90)
828 * Modified by MSW for partial resistance. Only support 483 * Modified by MSW for partial resistance. Only support
829 * changing of physical area right now. 484 * changing of physical area right now.
830 */ 485 */
831int 486static int
832improve_armour (object *op, object *improver, object *armour) 487improve_armour (object *op, object *improver, object *armour)
833{ 488{
834 object *tmp;
835
836 if (armour->magic >= settings.armor_max_enchant) 489 if (armour->magic >= settings.armor_max_enchant)
837 { 490 {
838 op->failmsg ("This armour can not be enchanted any further!"); 491 op->failmsg ("This armour can not be enchanted any further!");
839 return 0; 492 return 0;
840 } 493 }
494
841 /* Dealing with random artifact armor is a lot trickier (in terms of value, weight, 495 /* Dealing with random artifact armor is a lot trickier (in terms of value, weight,
842 * etc), so take the easy way out and don't worry about it. 496 * etc), so take the easy way out and don't worry about it.
843 * Note - maybe add scrolls which make the random artifact versions (eg, armour 497 * Note - maybe add scrolls which make the random artifact versions (eg, armour
844 * of gnarg and what not?) 498 * of gnarg and what not?)
845 */ 499 */
… …
847 { 501 {
848 op->failmsg ("This armour will not accept further enchantment."); 502 op->failmsg ("This armour will not accept further enchantment.");
849 return 0; 503 return 0;
850 } 504 }
851 505
852 /* Split objects if needed. Can't insert tmp until the 506 /* Split objects if needed. Can't insert tmp until the
853 * end of this function - otherwise it will just re-merge. 507 * end of this function - otherwise it will just re-merge.
854 */ 508 */
855 if (armour->nrof > 1) 509 object *tmp = armour->nrof > 1 ? armour->split (armour->nrof - 1) : 0;
856 tmp = get_split_ob (armour, armour->nrof - 1);
857 else
858 tmp = NULL;
859 510
860 armour->magic++; 511 armour->magic++;
861 512
862 if (!settings.armor_speed_linear) 513 if (!settings.armor_speed_linear)
863 { 514 {
… …
900 armour->item_power = get_power_from_ench (armour->arch->item_power + armour->magic); 551 armour->item_power = get_power_from_ench (armour->arch->item_power + armour->magic);
901 552
902 if (op->type == PLAYER) 553 if (op->type == PLAYER)
903 { 554 {
904 esrv_send_item (op, armour); 555 esrv_send_item (op, armour);
905 if (QUERY_FLAG (armour, FLAG_APPLIED)) 556
557 if (armour->flag [FLAG_APPLIED])
906 op->update_stats (); 558 op->update_stats ();
907 } 559 }
908 560
909 decrease_ob (improver); 561 improver->decrease ();
910 562
911 if (tmp) 563 if (tmp)
912 { 564 op->insert (tmp);
913 insert_ob_in_ob (tmp, op);
914 esrv_send_item (op, tmp);
915 }
916 565
917 return 1; 566 return 1;
918} 567}
919 568
920/* 569/*
921 * convert_item() returns 1 if anything was converted, 0 if the item was not 570 * convert_item() returns 1 if anything was converted, 0 if the item was not
922 * what the converter wants, -1 if the converter is broken. 571 * what the converter wants, -1 if the converter is broken.
923 */ 572 *
924#define CONV_FROM(xyz) xyz->slaying
925#define CONV_TO(xyz) xyz->other_arch
926#define CONV_NR(xyz) xyz->stats.sp
927#define CONV_NEED(xyz) xyz->stats.food
928
929/* Takes one items and makes another. 573 * Takes one type of items and makes another.
930 * converter is the object that is doing the conversion. 574 * converter is the object that is doing the conversion.
931 * item is the object that triggered the converter - if it is not 575 * item is the object that triggered the converter - if it is not
932 * what the converter wants, this will not do anything. 576 * what the converter wants, this will not do anything.
933 */ 577 */
934int 578int
935convert_item (object *item, object *converter) 579convert_item (object *item, object *converter)
936{ 580{
937 int nr = 0; 581 sint64 nr = 0, price_in;
938 uint32 price_in; 582
583 if (item->flag [FLAG_UNPAID])
584 return 0;
585
586 shstr conv_from = converter->slaying;
587 archetype *conv_to = converter->other_arch;
588 sint64 need = converter->stats.food;
589 sint64 give = converter->stats.sp;
939 590
940 /* We make some assumptions - we assume if it takes money as it type, 591 /* We make some assumptions - we assume if it takes money as it type,
941 * it wants some amount. We don't make change (ie, if something costs 592 * it wants some amount. We don't make change (ie, if something costs
942 * 3 gp and player drops a platinum, tough luck) 593 * 3 gp and player drops a platinum, tough luck)
943 */ 594 */
944 if (CONV_FROM (converter) == shstr_money) 595 if (conv_from == shstr_money)
945 { 596 {
946 if (item->type != MONEY) 597 if (item->type != MONEY)
947 return 0; 598 return 0;
948 599
949 nr = (item->nrof * item->value) / CONV_NEED (converter); 600 nr = sint64 (item->nrof) * item->value / need;
950 if (!nr) 601 if (!nr)
951 return 0; 602 return 0;
952 603
953 converter->play_sound (sound_find ("shop_buy")); 604 converter->play_sound (sound_find ("shop_buy"));
954 605
955 int cost = nr * CONV_NEED (converter) / item->value; 606 sint64 cost = (nr * need + item->value - 1) / item->value;
956 /* take into account rounding errors */
957 if (nr * CONV_NEED (converter) % item->value)
958 cost++;
959 607
960 decrease_ob_nr (item, cost); 608 item->decrease (cost);
961 609
962 price_in = cost * item->value; 610 price_in = cost * item->value;
963 } 611 }
964 else 612 else
965 { 613 {
966 if (item->type == PLAYER || CONV_FROM (converter) != item->arch->archname || 614 if (item->type == PLAYER
967 (CONV_NEED (converter) && CONV_NEED (converter) > (uint16) item->nrof)) 615 || conv_from != item->arch->archname
616 || (need && need > (uint16) item->nrof))
968 return 0; 617 return 0;
969 618
970 converter->play_sound (sound_find ("convert_item")); 619 converter->play_sound (sound_find ("convert_item"));
971 620
972 if (CONV_NEED (converter)) 621 if (need)
973 { 622 {
974 nr = item->nrof / CONV_NEED (converter); 623 nr = sint64 (item->nrof) / need;
975 decrease_ob_nr (item, nr * CONV_NEED (converter)); 624 item->decrease (nr * need);
976 price_in = nr * CONV_NEED (converter) * item->value; 625 price_in = nr * need * item->value;
977 } 626 }
978 else 627 else
979 { 628 {
980 price_in = item->value; 629 price_in = item->value;
981 item->destroy (); 630 item->destroy ();
… …
992 ob_to_copy = converter->inv; 641 ob_to_copy = converter->inv;
993 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++) 642 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++)
994 if (rndm (0, i) == 0) 643 if (rndm (0, i) == 0)
995 ob_to_copy = ob; 644 ob_to_copy = ob;
996 645
997 item = object_create_clone (ob_to_copy); 646 item = ob_to_copy->deep_clone ();
998 CLEAR_FLAG (item, FLAG_IS_A_TEMPLATE); 647 item->clr_flag (FLAG_IS_A_TEMPLATE);
999 unflag_inv (item, FLAG_IS_A_TEMPLATE); 648 unflag_inv (item, FLAG_IS_A_TEMPLATE);
1000 } 649 }
1001 else 650 else
1002 { 651 {
1003 if (converter->other_arch == NULL) 652 if (!conv_to)
1004 { 653 {
1005 LOG (llevError, "move_creator: Converter doesn't have other arch set: %s (%s, %d, %d)\n", 654 LOG (llevError, "move_creator: Converter doesn't have other arch set: %s (%s, %d, %d)\n",
1006 &converter->name, &converter->map->path, converter->x, converter->y); 655 &converter->name, &converter->map->path, converter->x, converter->y);
1007 return -1; 656 return -1;
1008 } 657 }
1009 658
1010 item = object_create_arch (converter->other_arch); 659 item = object_create_arch (conv_to);
1011 fix_generated_item (item, converter, 0, 0, GT_MINIMAL); 660 fix_generated_item (item, converter, 0, 0, GT_MINIMAL);
1012 } 661 }
1013 662
1014 if (CONV_NR (converter)) 663 if (give)
1015 item->nrof = CONV_NR (converter); 664 item->nrof = give;
1016 665
1017 if (nr) 666 if (nr)
1018 item->nrof *= nr; 667 item->nrof *= nr;
1019 668
1020 if (is_in_shop (converter)) 669 if (converter->flag [FLAG_PRECIOUS])
1021 SET_FLAG (item, FLAG_UNPAID); 670 item->set_flag (FLAG_UNPAID);
671
672 if (converter->is_in_shop ())
673 {
674 // converters on shop floors don't work anymore, bug lets check for it
675 // and report in case someone still does it.
676 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
677 converter->debug_desc ());
678 item->set_flag (FLAG_UNPAID);
679 }
1022 else if (price_in < item->nrof * item->value) 680 else if (price_in < sint64 (item->nrof) * item->value)
1023 { 681 {
1024 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n", 682 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n",
1025 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name); 683 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name);
1026 /** 684 /**
1027 * elmex: we are going to let the game continue, as the mapcreator 685 * elmex: we are going to let the game continue, as the mapcreator
1028 * hopefully had something in mind when doing this. 686 * hopefully had something in mind when doing this.
1029 */ 687 */
1030 } 688 }
1031 689
1032 SET_FLAG (item, FLAG_IDENTIFIED); 690 // elmex: only identify if we need to, for example so that generated money doesn't
1033 insert_ob_in_map_at (item, converter->map, converter, 0, converter->x, converter->y); 691 // get an 'identified' flag so easily.
692 if (item->need_identify ())
693 identify (item);
694
695 item->insert_at (converter, 0, INS_NO_WALK_ON);
696
1034 return 1; 697 return 1;
1035} 698}
1036 699
1037/** 700/**
1038 * Handle apply on containers. 701 * Handle apply on containers.
1039 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
1040 * Moved to own function and added many features [Tero.Haatanen@lut.fi] 703 * Moved to own function and added many features [Tero.Haatanen@lut.fi]
1041 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
1042 */ 705 */
1043int 706static int
1044apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
1045{ 708{
1046 if (op->type != PLAYER || !op->contr->ns) 709 if (op->type != PLAYER || !op->contr->ns)
1047 return 0; /* This might change */ 710 return 0; /* This might change */
1048 711
… …
1061 } 724 }
1062 725
1063 // already applied == open on ground, or open in inv, or active in inv 726 // already applied == open on ground, or open in inv, or active in inv
1064 if (sack->flag [FLAG_APPLIED]) 727 if (sack->flag [FLAG_APPLIED])
1065 { 728 {
1066 if (op->container == sack) 729 if (op->container_ () == sack)
1067 { 730 {
1068 // open on ground or inv, so close 731 // open on ground or inv, so close
1069 op->close_container (); 732 op->close_container ();
1070 return 1; 733 return 1;
1071 } 734 }
1072 else if (!sack->env) 735 else if (!sack->env)
1073 { 736 {
1074 // active, but not ours: some other player has opened it 737 // active on floor, but not ours: some other player has opened it
738 // normally this only happens to dms standing on the same space.
739 // but it doesn't hurt to handle it.
1075 op->failmsg (format ("Somebody else is using the %s already.", query_name (sack))); 740 op->failmsgf ("Somebody else is using the %s already.", query_name (sack));
1076 return 1; 741 return 1;
1077 } 742 }
743 }
1078 744
1079 // fall through to opening it (active in inv) 745 // it's locked?
746 if (sack->slaying)
1080 } 747 {
1081 else if (sack->env) 748 if (object *tmp = find_key (op, op, sack))
749 {
750 op->statusmsg (format ("You unlock %s with %s.", query_name (sack), query_name (tmp)));
751 }
752 else
753 {
754 sack->flag [FLAG_APPLIED] = false; // might be applied in inv, let the user close it
755 esrv_update_item (UPD_FLAGS, op, sack);
756 op->statusmsg (format ("You don't have the key to unlock %s.", query_name (sack)));
757 return 1;
758 }
759 }
760
761 if (sack->env && !sack->flag [FLAG_APPLIED])
1082 { 762 {
1083 // it is in our env, so activate it, do not open yet 763 // it is in our env, so activate it, do not open yet
1084 op->close_container (); 764 op->close_container ();
1085 sack->flag [FLAG_APPLIED] = 1; 765 sack->flag [FLAG_APPLIED] = true;
1086 esrv_update_item (UPD_FLAGS, op, sack); 766 esrv_update_item (UPD_FLAGS, op, sack);
1087 op->statusmsg (format ("You ready %s.", query_name (sack))); 767 op->statusmsg (format ("You ready %s.", query_name (sack)));
1088 return 1;
1089 }
1090
1091 // it's locked?
1092 if (sack->slaying)
1093 { 768 }
1094 if (object *tmp = find_key (op, op, sack))
1095 op->statusmsg (format ("You unlock %s with %s.", query_name (sack), query_name (tmp)));
1096 else 769 else
1097 {
1098 op->statusmsg (format ("You don't have the key to unlock %s.", query_name (sack)));
1099 return 1;
1100 }
1101 }
1102
1103 op->open_container (sack); 770 op->open_container (sack);
1104 771
1105 return 1; 772 return 1;
1106} 773}
1107 774
1108/** 775/**
… …
1114{ 781{
1115 /* Only players can make sacrifices on spell casting altars. */ 782 /* Only players can make sacrifices on spell casting altars. */
1116 if (altar->inv && (!originator || originator->type != PLAYER)) 783 if (altar->inv && (!originator || originator->type != PLAYER))
1117 return 0; 784 return 0;
1118 785
1119 if (operate_altar (altar, &sacrifice)) 786 if (operate_altar (altar, &sacrifice, originator))
1120 { 787 {
1121 /* Simple check. Unfortunately, it means you can't cast magic bullet 788 /* Simple check. Unfortunately, it means you can't cast magic bullet
1122 * with an altar. We call it a Potion - altars are stationary - it 789 * with an altar. We call it a Potion - altars are stationary - it
1123 * is up to map designers to use them properly. 790 * is up to map designers to use them properly.
1124 */ 791 */
… …
1133/* push_button (altar);*/ 800/* push_button (altar);*/
1134 } 801 }
1135 else 802 else
1136 { 803 {
1137 altar->value = 1; /* works only once */ 804 altar->value = 1; /* works only once */
1138 push_button (altar); 805 push_button (altar, originator);
1139 } 806 }
1140 807
1141 return !sacrifice; 808 return !sacrifice;
1142 } 809 }
1143 else 810 else
… …
1156{ 823{
1157 int rv = 0; 824 int rv = 0;
1158 double opinion; 825 double opinion;
1159 object *tmp, *next; 826 object *tmp, *next;
1160 827
1161 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 828 op->set_flag (FLAG_NO_APPLY); /* prevent loops */
1162 829
1163 bool has_unpaid = false; 830 bool has_unpaid = false;
1164 831
1165 // quite inefficient to do this here twice, but the api doesn'T lend itself to 832 // quite inefficient to do this here twice, but the api doesn't lend itself to
1166 // a quick and small change :( 833 // a quick and small change :(
1167 for (object::depth_iterator item = op->begin (); item != op->end (); ++item) 834 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
1168 if (item->flag [FLAG_UNPAID]) 835 if (item->flag [FLAG_UNPAID])
1169 { 836 {
1170 has_unpaid = true; 837 has_unpaid = true;
1171 break; 838 break;
1172 } 839 }
1173 840
1174 if (op->type != PLAYER) 841 if (!op->is_player ())
1175 { 842 {
1176 /* Remove all the unpaid objects that may be carried here. 843 /* Remove all the unpaid objects that may be carried here.
1177 * This could be pets or monsters that are somehow in 844 * This could be pets or monsters that are somehow in
1178 * the shop. 845 * the shop.
1179 */ 846 */
1180 for (tmp = op->inv; tmp; tmp = next) 847 for (tmp = op->inv; tmp; tmp = next)
1181 { 848 {
1182 next = tmp->below; 849 next = tmp->below;
1183 850
1184 if (QUERY_FLAG (tmp, FLAG_UNPAID)) 851 if (tmp->flag [FLAG_UNPAID])
1185 { 852 {
1186 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9); 853 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9);
1187 854
855 if (i >= 0)
1188 tmp->remove (); 856 tmp->move (i);
1189
1190 if (i == -1)
1191 i = 0;
1192
1193 tmp->map = op->map;
1194 tmp->x = op->x + freearr_x[i];
1195 tmp->y = op->y + freearr_y[i];
1196 insert_ob_in_map (tmp, op->map, op, 0);
1197 } 857 }
1198 } 858 }
1199 859
1200 /* Don't teleport things like spell effects */ 860 /* Don't teleport things like spell effects */
1201 if (QUERY_FLAG (op, FLAG_NO_PICK)) 861 if (op->flag [FLAG_NO_PICK])
1202 return 0; 862 return 0;
1203 863
1204 /* unpaid objects, or non living objects, can't transfer by 864 /* unpaid objects, or non living objects, can't transfer by
1205 * shop mats. Instead, put it on a nearby space. 865 * shop mats. Instead, put it on a nearby space.
1206 */ 866 */
1207 if (QUERY_FLAG (op, FLAG_UNPAID) || !QUERY_FLAG (op, FLAG_ALIVE)) 867 if (op->flag [FLAG_UNPAID] || !op->flag [FLAG_ALIVE])
1208 { 868 {
1209 /* Somebody dropped an unpaid item, just move to an adjacent place. */ 869 /* Somebody dropped an unpaid item, just move to an adjacent place. */
1210 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9); 870 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9);
1211 871
1212 if (i != -1) 872 if (i != -1)
1213 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0, shop_mat); 873 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0, shop_mat);
1214 874
1215 return 0; 875 return 0;
1216 } 876 }
877
1217 /* Removed code that checked for multipart objects - it appears that 878 /* Removed code that checked for multipart objects - it appears that
1218 * the teleport function should be able to handle this just fine. 879 * the teleport function should be able to handle this just fine.
1219 */ 880 */
1220 rv = teleport (shop_mat, SHOP_MAT, op); 881 rv = teleport (shop_mat, SHOP_MAT, op);
1221 } 882 }
… …
1224 /* this is only used for players */ 885 /* this is only used for players */
1225 rv = teleport (shop_mat, SHOP_MAT, op); 886 rv = teleport (shop_mat, SHOP_MAT, op);
1226 887
1227 if (has_unpaid) 888 if (has_unpaid)
1228 op->contr->play_sound (sound_find ("shop_buy")); 889 op->contr->play_sound (sound_find ("shop_buy"));
1229 else if (is_in_shop (op)) 890 else if (op->is_in_shop ())
1230 op->contr->play_sound (sound_find ("shop_enter")); 891 op->contr->play_sound (sound_find ("shop_enter"));
1231 else 892 else
1232 op->contr->play_sound (sound_find ("shop_leave")); 893 op->contr->play_sound (sound_find ("shop_leave"));
1233 894
1234 if (shop_mat->msg) 895 if (shop_mat->msg)
1235 op->statusmsg (shop_mat->msg); 896 op->statusmsg (shop_mat->msg);
1236 /* This check below is a bit simplistic - generally it should be correct, 897 /* This check below is a bit simplistic - generally it should be correct,
1237 * but there is never a guarantee that the bottom space on the map is 898 * but there is never a guarantee that the bottom space on the map is
1238 * actually the shop floor. 899 * actually the shop floor.
1239 */ 900 */
1240 else if (!rv && !is_in_shop (op)) 901 else if (!rv && !op->is_in_shop ())
1241 { 902 {
1242 opinion = shopkeeper_approval (op->map, op); 903 opinion = shopkeeper_approval (op->map, op);
1243 904
1244 op->statusmsg ( 905 op->statusmsg (
1245 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 906 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1266 op->y += freearr_y[i]; 927 op->y += freearr_y[i];
1267 rv = insert_ob_in_map (op, op->map, shop_mat, 0) == NULL; 928 rv = insert_ob_in_map (op, op->map, shop_mat, 0) == NULL;
1268 } 929 }
1269 } 930 }
1270 931
1271 CLEAR_FLAG (op, FLAG_NO_APPLY); 932 op->clr_flag (FLAG_NO_APPLY);
1272 return rv; 933 return rv;
1273} 934}
1274 935
1275/** 936/**
1276 * Handles applying a sign. 937 * Handles applying a sign.
1277 */ 938 */
1278static void 939static void
1279apply_sign (object *op, object *sign, int autoapply) 940apply_sign (object *op, object *sign, int autoapply)
1280{ 941{
1281 readable_message_type *msgType; 942 if (!op->is_player())
943 return;
944
945 if (sign->has_dialogue ())
946 {
947 op->statusmsg (format ("Maybe you should I<talk> to the %s instead?", &sign->name));
948 return;
949 }
1282 950
1283 if (!sign->msg) 951 if (!sign->msg)
1284 { 952 {
1285 op->statusmsg ("Nothing is written on it."); 953 op->contr->infobox (MSG_CHANNEL ("examine"),
954 format ("T<%s>\n\n Nothing %sis written on it.",
955 &sign->name,
956 sign->name == sign->arch->name ? "" : "else "));
1286 return; 957 return;
1287 } 958 }
1288 959
1289 if (sign->stats.food) 960 if (sign->stats.food)
1290 { 961 {
1291 if (sign->last_eat >= sign->stats.food) 962 if (sign->last_eat >= sign->stats.food)
1292 { 963 {
1293 if (!sign->move_on) 964 if (!sign->move_on)
1294 op->statusmsg ("You cannot read it anymore."); 965 op->failmsg ("You cannot read it anymore.");
1295 966
1296 return; 967 return;
1297 } 968 }
1298 969
1299 if (!QUERY_FLAG (op, FLAG_WIZPASS)) 970 if (!op->flag [FLAG_WIZPASS])
1300 sign->last_eat++; 971 sign->last_eat++;
1301 } 972 }
1302 973
1303 /* Sign or magic mouth? Do we need to see it, or does it talk to us? 974 /* Sign or magic mouth? Do we need to see it, or does it talk to us?
1304 * No way to know for sure. The presumption is basically that if 975 * No way to know for sure. The presumption is basically that if
1305 * move_on is zero, it needs to be manually applied (doesn't talk 976 * move_on is zero, it needs to be manually applied (doesn't talk
1306 * to us). 977 * to us).
1307 */ 978 */
1308 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ) && !sign->move_on) 979 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ] && !sign->move_on)
1309 { 980 {
1310 op->failmsg ("You are unable to read while blind!"); 981 op->failmsg ("You are unable to read while blind!");
1311 return; 982 return;
1312 } 983 }
1313 984
… …
1317 if (sign->sound) 988 if (sign->sound)
1318 ns->play_sound (sign->sound); 989 ns->play_sound (sign->sound);
1319 else if (autoapply) 990 else if (autoapply)
1320 ns->play_sound (sound_find ("msg_voice")); 991 ns->play_sound (sound_find ("msg_voice"));
1321 992
1322 if (ns->can_msg)
1323 op->contr->infobox (MSG_CHANNEL ("examine"), format ("T<%s>\n\n\n\n%s", &sign->name, &sign->msg)); 993 op->contr->infobox (MSG_CHANNEL ("examine"), format ("T<%s>\n\n%s", &sign->name, &sign->msg));
1324 else
1325 {
1326 msgType = get_readable_message_type (sign);
1327 const char *somemsg = format ("%u %s", autoapply ? 1 : 0, &sign->msg);
1328 draw_ext_info (NDI_UNIQUE | NDI_NAVY, 0, op, msgType->message_type, msgType->message_subtype, somemsg, &sign->msg);
1329 }
1330 } 994 }
1331} 995}
1332 996
1333/** 997static void
1334 * 'victim' moves onto 'trap'
1335 * 'victim' leaves 'trap'
1336 * effect is determined by move_on/move_off of trap and move_type of victime.
1337 *
1338 * originator: Player, monster or other object that caused 'victim' to move
1339 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1340 * However, some types of traps require an originator to function.
1341 */
1342void
1343move_apply (object *trap, object *victim, object *originator) 998move_apply_hole (object *trap, object *victim)
1344{ 999{
1345 static int recursion_depth = 0; 1000 /* Hole not open? */
1346 1001 if (trap->stats.wc > 0)
1347 /* Only exits affect DMs. */
1348 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1349 return; 1002 return;
1350 1003
1351 /* move_apply() is the most likely candidate for causing unwanted and 1004 /* Is this a multipart monster and not the head? If so, return.
1352 * possibly unlimited recursion. 1005 * Processing will happen if the head runs into the pit
1353 */ 1006 */
1354 /* The following was changed because it was causing perfeclty correct 1007 if (victim->head)
1355 * maps to fail. 1) it's not an error to recurse:
1356 * rune detonates, summoning monster. monster lands on nearby rune.
1357 * nearby rune detonates. This sort of recursion is expected and
1358 * proper. This code was causing needless crashes.
1359 */
1360 if (recursion_depth >= 500)
1361 {
1362 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1363 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
1364 return; 1008 return;
1365 }
1366 1009
1367 recursion_depth++; 1010 // now find all possible locations and randomly pick one
1368 if (trap->head) 1011 int dir = find_free_spot (victim, trap->map, EXIT_X (trap), EXIT_Y (trap), 0,
1369 trap = trap->head; 1012 trap->range >= 3 ? SIZEOFFREE3 + 1
1013 : trap->range >= 2 ? SIZEOFFREE2 + 1
1014 : trap->range >= 1 ? SIZEOFFREE1 + 1
1015 : SIZEOFFREE0 + 1);
1370 1016
1371 if (INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator))) 1017 if (dir < 0)
1372 goto leave; 1018 return;
1373 1019
1374 switch (trap->type)
1375 {
1376 case PLAYERMOVER:
1377 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
1378 {
1379 if (!trap->stats.maxsp)
1380 trap->stats.maxsp = 2;
1381
1382 /* Is this correct? From the docs, it doesn't look like it
1383 * should be divided by trap->speed
1384 */
1385 victim->speed_left = -FABS (trap->stats.maxsp * victim->speed / trap->speed);
1386
1387 /* Just put in some sanity check. I think there is a bug in the
1388 * above with some objects have zero speed, and thus the player
1389 * getting permanently paralyzed.
1390 */
1391 if (victim->speed_left < -50.f)
1392 victim->speed_left = -50.f;
1393 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
1394 }
1395 goto leave;
1396
1397 case SPINNER:
1398 if (victim->direction)
1399 {
1400 victim->direction = absdir (victim->direction - trap->stats.sp);
1401 update_turn_face (victim);
1402 }
1403 goto leave;
1404
1405 case DIRECTOR:
1406 if (victim->direction && !should_director_abort (trap, victim))
1407 {
1408 victim->direction = trap->stats.sp;
1409 update_turn_face (victim);
1410 }
1411 goto leave;
1412
1413 case BUTTON:
1414 case PEDESTAL:
1415 update_button (trap);
1416 goto leave;
1417
1418 case ALTAR:
1419 /* sacrifice victim on trap */
1420 apply_altar (trap, victim, originator);
1421 goto leave;
1422
1423 case THROWN_OBJ:
1424 if (trap->inv == NULL)
1425 goto leave;
1426 /* fallthrough */
1427
1428 case ARROW:
1429 /* bad bug: monster throw a object, make a step forwards, step on object ,
1430 * trigger this here and get hit by own missile - and will be own enemy.
1431 * Victim then is his own enemy and will start to kill herself (this is
1432 * removed) but we have not synced victim and his missile. To avoid senseless
1433 * action, we avoid hits here
1434 */
1435 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1436 hit_with_arrow (trap, victim);
1437 goto leave;
1438
1439 case SPELL_EFFECT:
1440 apply_spell_effect (trap, victim);
1441 goto leave;
1442
1443 case TRAPDOOR:
1444 {
1445 int max, sound_was_played;
1446 object *ab, *ab_next;
1447
1448 if (!trap->value)
1449 {
1450 int tot;
1451
1452 for (ab = trap->above, tot = 0; ab != NULL; ab = ab->above)
1453 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1454 tot += (ab->nrof ? ab->nrof : 1) * ab->weight + ab->carrying;
1455
1456 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
1457 goto leave;
1458
1459 SET_ANIMATION (trap, trap->value);
1460 update_object (trap, UP_OBJ_FACE);
1461 }
1462
1463 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
1464 {
1465 /* need to set this up, since if we do transfer the object,
1466 * ab->above would be bogus
1467 */
1468 ab_next = ab->above;
1469
1470 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1471 {
1472 if (!sound_was_played)
1473 {
1474 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1475 sound_was_played = 1;
1476 }
1477
1478 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
1479 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
1480 }
1481 }
1482 goto leave;
1483 }
1484
1485 case CONVERTER:
1486 if (convert_item (victim, trap) < 0)
1487 {
1488 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
1489 get_archetype ("burnout")->insert_at (trap, trap);
1490 }
1491
1492 goto leave;
1493
1494 case TRIGGER_BUTTON:
1495 case TRIGGER_PEDESTAL:
1496 case TRIGGER_ALTAR:
1497 check_trigger (trap, victim);
1498 goto leave;
1499
1500 case DEEP_SWAMP:
1501 walk_on_deep_swamp (trap, victim);
1502 goto leave;
1503
1504 case CHECK_INV:
1505 check_inv (victim, trap);
1506 goto leave;
1507
1508 case HOLE:
1509 /* Hole not open? */
1510 if (trap->stats.wc > 0)
1511 goto leave;
1512
1513 /* Is this a multipart monster and not the head? If so, return.
1514 * Processing will happen if the head runs into the pit
1515 */
1516 if (victim->head)
1517 goto leave;
1518
1519 victim->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole")); 1020 victim->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1520 victim->statusmsg ("You fall through the hole!", NDI_RED); 1021 victim->statusmsg ("You fall through the hole!", NDI_RED);
1521 transfer_ob (victim, EXIT_X (trap), EXIT_Y (trap), 1, victim);
1522 goto leave;
1523 1022
1524 case EXIT: 1023 transfer_ob (victim,
1525 if (victim->type == PLAYER && EXIT_PATH (trap)) 1024 EXIT_X (trap) + freearr_x[dir],
1526 { 1025 EXIT_Y (trap) + freearr_y[dir],
1527 /* Basically, don't show exits leading to random maps the 1026 0, victim);
1528 * players output.
1529 */
1530 if (trap->msg && strncmp (EXIT_PATH (trap), "/!", 2))
1531 victim->statusmsg (trap->msg, NDI_NAVY);
1532
1533 trap->play_sound (trap->sound);
1534 victim->enter_exit (trap);
1535 }
1536 goto leave;
1537
1538 case ENCOUNTER:
1539 /* may be some leftovers on this */
1540 goto leave;
1541
1542 case SHOP_MAT:
1543 apply_shop_mat (trap, victim);
1544 goto leave;
1545
1546 /* Drop a certain amount of gold, and have one item identified */
1547 case IDENTIFY_ALTAR:
1548 apply_id_altar (victim, trap, originator);
1549 goto leave;
1550
1551 case SIGN:
1552 if (victim->type != PLAYER && trap->stats.food > 0)
1553 goto leave; /* monsters musn't apply magic_mouths with counters */
1554
1555 apply_sign (victim, trap, 1);
1556 goto leave;
1557
1558 case CONTAINER:
1559 apply_container (victim, trap);
1560 goto leave;
1561
1562 case RUNE:
1563 case TRAP:
1564 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
1565 spring_trap (trap, victim);
1566 goto leave;
1567
1568 default:
1569 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1570 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
1571 goto leave;
1572 }
1573
1574leave:
1575 recursion_depth--;
1576}
1577
1578/**
1579 * Handles reading a regular (ie not containing a spell) book.
1580 */
1581static void
1582apply_book (object *op, object *tmp)
1583{
1584 int lev_diff;
1585 object *skill_ob;
1586
1587 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1588 {
1589 op->failmsg ("You are unable to read while blind!");
1590 return;
1591 }
1592
1593 if (!tmp->msg)
1594 {
1595 op->failmsg (format ("You open the %s and find it empty.", &tmp->name));
1596 return;
1597 }
1598
1599 /* need a literacy skill to read stuff! */
1600 skill_ob = find_skill_by_name (op, tmp->skill);
1601 if (!skill_ob)
1602 {
1603 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
1604 return;
1605 }
1606
1607 lev_diff = tmp->level - (skill_ob->level + 5);
1608 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
1609 {
1610 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
1611 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
1612 : lev_diff < 5 ? "This book is beyond your comprehension."
1613 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
1614 : lev_diff < 15 ? "This book is way beyond your comprehension."
1615 : "This book is totally beyond your comprehension.");
1616 return;
1617 }
1618
1619 readable_message_type *msgType = get_readable_message_type (tmp);
1620
1621 if (player *pl = op->contr)
1622 if (client *ns = pl->ns)
1623 if (ns->can_msg)
1624 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
1625 else
1626 draw_ext_info_format (NDI_UNIQUE | NDI_NAVY, 0, op,
1627 msgType->message_type, msgType->message_subtype,
1628 "You open the %s and start reading.\n%s", (char *)"%s\n%s",
1629 long_desc (tmp, op), &tmp->msg);
1630
1631 /* gain xp from reading */
1632 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
1633 { /* only if not read before */
1634 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
1635
1636 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1637 {
1638 /*exp_gain *= 2; because they just identified it too */
1639 SET_FLAG (tmp, FLAG_IDENTIFIED);
1640
1641 /* If in a container, update how it looks */
1642 if (tmp->env)
1643 esrv_update_item (UPD_FLAGS | UPD_NAME, op, tmp);
1644 else
1645 op->contr->ns->floorbox_update ();
1646 }
1647
1648 change_exp (op, exp_gain, skill_ob->skill, 0);
1649 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1650 }
1651}
1652
1653/**
1654 * Handles the applying of a skill scroll, calling learn_skill straight.
1655 * op is the person learning the skill, tmp is the skill scroll object
1656 */
1657static void
1658apply_skillscroll (object *op, object *tmp)
1659{
1660 switch (learn_skill (op, tmp))
1661 {
1662 case 0:
1663 op->play_sound (sound_find ("generic_fail"));
1664 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
1665 break;
1666
1667 case 1:
1668 decrease_ob (tmp);
1669 op->play_sound (sound_find ("skill_learn"));
1670 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
1671 break;
1672
1673 default:
1674 decrease_ob (tmp);
1675 op->play_sound (sound_find ("generic_fail"));
1676 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
1677 break;
1678 }
1679}
1680
1681/**
1682 * Actually makes op learn spell.
1683 * Informs player of what happens.
1684 */
1685void
1686do_learn_spell (object *op, object *spell, int special_prayer)
1687{
1688 object *tmp;
1689
1690 if (op->type != PLAYER)
1691 {
1692 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1693 return;
1694 }
1695
1696 /* Upgrade special prayers to normal prayers */
1697 if ((tmp = check_spell_known (op, spell->name)) != NULL)
1698 {
1699 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1700 {
1701 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1702 return;
1703 }
1704 return;
1705 }
1706
1707 op->contr->play_sound (sound_find ("learn_spell"));
1708
1709 tmp = spell->clone ();
1710 insert_ob_in_ob (tmp, op);
1711
1712 if (special_prayer)
1713 SET_FLAG (tmp, FLAG_STARTEQUIP);
1714
1715 esrv_add_spells (op->contr, tmp);
1716}
1717
1718/**
1719 * Erases spell from player's inventory.
1720 */
1721void
1722do_forget_spell (object *op, const char *spell)
1723{
1724 object *spob;
1725
1726 if (op->type != PLAYER)
1727 {
1728 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1729 return;
1730 }
1731 if ((spob = check_spell_known (op, spell)) == NULL)
1732 {
1733 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1734 return;
1735 }
1736
1737 op->failmsg (format ("You lose knowledge of %s.", spell));
1738 player_unready_range_ob (op->contr, spob);
1739 esrv_remove_spell (op->contr, spob);
1740 spob->destroy ();
1741}
1742
1743/**
1744 * Handles player applying a spellbook.
1745 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1746 * stuff like that. Random learning failure too.
1747 */
1748static void
1749apply_spellbook (object *op, object *tmp)
1750{
1751 object *skop, *spell, *spell_skill;
1752
1753 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1754 {
1755 op->failmsg ("You are unable to read while blind.");
1756 return;
1757 }
1758
1759 /* artifact_spellbooks have 'slaying' field point to a spell name,
1760 * instead of having their spell stored in stats.sp. These are
1761 * legacy spellbooks
1762 */
1763 if (tmp->slaying)
1764 {
1765 spell = arch_to_object (find_archetype_by_object_name (tmp->slaying));
1766 if (!spell)
1767 {
1768 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
1769 return;
1770 }
1771 else
1772 insert_ob_in_ob (spell, tmp);
1773
1774 tmp->slaying = 0;
1775 }
1776
1777 skop = find_skill_by_name (op, tmp->skill);
1778
1779 /* need a literacy skill to learn spells. Also, having a literacy level
1780 * lower than the spell will make learning the spell more difficult */
1781 if (!skop)
1782 {
1783 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
1784 return;
1785 }
1786
1787 spell = tmp->inv;
1788
1789 if (!spell)
1790 {
1791 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
1792 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
1793 return;
1794 }
1795
1796 if (skop->level < int (sqrtf (spell->level) * 1.5f))
1797 {
1798 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low.>", &tmp->skill));
1799 return;
1800 }
1801
1802 op->statusmsg (format ("The spellbook contains the %s level spell %s.", get_levelnumber (spell->level), &spell->name));
1803
1804 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1805 {
1806 identify (tmp);
1807
1808 if (tmp->env)
1809 esrv_update_item (UPD_FLAGS | UPD_NAME, op, tmp);
1810 else
1811 op->contr->ns->floorbox_update ();
1812 }
1813
1814 /* I removed the check for special_prayer_mark here - it didn't make
1815 * a lot of sense - special prayers are not found in spellbooks, and
1816 * if the player doesn't know the spell, doesn't make a lot of sense that
1817 * they would have a special prayer mark.
1818 */
1819 if (check_spell_known (op, spell->name))
1820 {
1821 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
1822 return;
1823 }
1824
1825 if (spell->skill)
1826 {
1827 spell_skill = find_skill_by_name (op, spell->skill);
1828
1829 if (!spell_skill)
1830 {
1831 op->failmsg (format ("You lack the skill %s to use this spell.", &spell->skill));
1832 return;
1833 }
1834
1835 if (spell_skill->level < spell->level)
1836 {
1837 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
1838 return;
1839 }
1840 }
1841
1842 /* Logic as follows
1843 *
1844 * 1- MU spells use Int to learn, Cleric spells use Wisdom
1845 *
1846 * 2- The learner's skill level in literacy adjusts the chance to learn
1847 * a spell.
1848 *
1849 * 3 -Automatically fail to learn if you read while confused
1850 *
1851 * Overall, chances are the same but a player will find having a high
1852 * literacy rate very useful! -b.t.
1853 */
1854 if (QUERY_FLAG (op, FLAG_CONFUSED))
1855 {
1856 op->failmsg ("In your confused state you flub the wording of the text!");
1857 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), MAX (spell->stats.sp, spell->stats.grace));
1858 }
1859 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
1860 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
1861 {
1862 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
1863 do_learn_spell (op, spell, 0);
1864
1865 /* xp gain to literacy for spell learning */
1866 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1867 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
1868 }
1869 else
1870 {
1871 op->contr->play_sound (sound_find ("fumble_spell"));
1872 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
1873 }
1874
1875 decrease_ob (tmp);
1876}
1877
1878/**
1879 * Handles applying a spell scroll.
1880 */
1881void
1882apply_scroll (object *op, object *tmp, int dir)
1883{
1884 object *skop;
1885
1886 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1887 {
1888 op->failmsg ("You are unable to read while blind.");
1889 return;
1890 }
1891
1892 if (!tmp->inv || tmp->inv->type != SPELL)
1893 {
1894 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
1895 return;
1896 }
1897
1898 if (op->type == PLAYER)
1899 {
1900 /* players need a literacy skill to read stuff! */
1901 int exp_gain = 0;
1902
1903 /* hard code literacy - tmp->skill points to where the exp
1904 * should go for anything killed by the spell.
1905 */
1906 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
1907
1908 if (!skop)
1909 {
1910 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
1911 return;
1912 }
1913
1914 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
1915 change_exp (op, exp_gain, skop->skill, 0);
1916 }
1917
1918 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1919 identify (tmp);
1920
1921 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
1922
1923 cast_spell (op, tmp, dir, tmp->inv, NULL);
1924 decrease_ob (tmp);
1925}
1926
1927/**
1928 * Applies a treasure object - by default, chest. op
1929 * is the person doing the applying, tmp is the treasure
1930 * chest.
1931 */
1932static void
1933apply_treasure (object *op, object *tmp)
1934{
1935 /* Nice side effect of this treasure creation method is that the treasure
1936 * for the chest is done when the chest is created, and put into the chest
1937 * inventory. So that when the chest burns up, the items still exist. Also
1938 * prevents people from moving chests to more difficult maps to get better
1939 * treasure
1940 */
1941 object *treas = tmp->inv;
1942
1943 if (!treas)
1944 {
1945 op->statusmsg ("The chest was empty.");
1946 decrease_ob (tmp);
1947 return;
1948 }
1949
1950 while (tmp->inv)
1951 {
1952 treas = tmp->inv;
1953 treas->remove ();
1954
1955 treas->x = op->x;
1956 treas->y = op->y;
1957 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
1958
1959 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
1960 spring_trap (treas, op);
1961
1962 /* If either player or container was destroyed, no need to do
1963 * further processing. I think this should be enclused with
1964 * spring trap above, as I don't think there is otherwise
1965 * any way for the treasure chest or player to get killed.
1966 */
1967 if (op->destroyed () || tmp->destroyed ())
1968 break;
1969 }
1970
1971 if (!tmp->destroyed () && !tmp->inv)
1972 decrease_ob (tmp);
1973}
1974
1975/**
1976 * op eats food.
1977 * If player, takes care of messages and dragon special food.
1978 */
1979static void
1980apply_food (object *op, object *tmp)
1981{
1982 int capacity_remaining;
1983
1984 if (op->type != PLAYER)
1985 op->stats.hp = op->stats.maxhp;
1986 else
1987 {
1988 /* check if this is a dragon (player), eating some flesh */
1989 if (tmp->type == FLESH && is_dragon_pl (op) && dragon_eat_flesh (op, tmp))
1990 ;
1991 else
1992 {
1993 /* usual case - no dragon meal: */
1994 if (op->stats.food + tmp->stats.food > 999)
1995 {
1996 if (tmp->type == FOOD || tmp->type == FLESH)
1997 op->failmsg ("You feel full, but what a waste of food!");
1998 else
1999 op->statusmsg ("Most of the drink goes down your face not your throat!");
2000 }
2001
2002 tmp->play_sound (
2003 tmp->sound
2004 ? tmp->sound
2005 : tmp->type == DRINK
2006 ? sound_find ("eat_drink")
2007 : sound_find ("eat_food")
2008 );
2009
2010 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2011 {
2012 const char *buf;
2013
2014 if (!is_dragon_pl (op))
2015 {
2016 /* eating message for normal players */
2017 if (tmp->type == DRINK)
2018 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2019 else
2020 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2021 }
2022 else
2023 /* eating message for dragon players */
2024 buf = format ("The %s tasted terrible!", &tmp->name);
2025
2026 op->statusmsg (buf);
2027
2028 capacity_remaining = 999 - op->stats.food;
2029 op->stats.food += tmp->stats.food;
2030 if (capacity_remaining < tmp->stats.food)
2031 op->stats.hp += capacity_remaining / 50;
2032 else
2033 op->stats.hp += tmp->stats.food / 50;
2034
2035 if (op->stats.hp > op->stats.maxhp)
2036 op->stats.hp = op->stats.maxhp;
2037 if (op->stats.food > 999)
2038 op->stats.food = 999;
2039 }
2040
2041 /* special food hack -b.t. */
2042 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2043 eat_special_food (op, tmp);
2044 }
2045 }
2046
2047 handle_apply_yield (tmp);
2048 decrease_ob (tmp);
2049}
2050
2051/**
2052 * A dragon is eating some flesh. If the flesh contains resistances,
2053 * there is a chance for the dragon's skin to get improved.
2054 *
2055 * attributes:
2056 * object *op the object (dragon player) eating the flesh
2057 * object *meal the flesh item, getting chewed in dragon's mouth
2058 * return:
2059 * int 1 if eating successful, 0 if it doesn't work
2060 */
2061int
2062dragon_eat_flesh (object *op, object *meal)
2063{
2064 object *skin = NULL; /* pointer to dragon skin force */
2065 object *abil = NULL; /* pointer to dragon ability force */
2066 object *tmp = NULL; /* tmp. object */
2067
2068 double chance; /* improvement-chance of one resistance type */
2069 double totalchance = 1; /* total chance of gaining one resistance */
2070 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2071 double mbonus = 0; /* monster bonus */
2072 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2073 int winners = 0; /* number of winners */
2074 int i; /* index */
2075
2076 /* let's make sure and doublecheck the parameters */
2077 if (meal->type != FLESH || !is_dragon_pl (op))
2078 return 0;
2079
2080 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2081 from the player's inventory */
2082 for (tmp = op->inv; tmp; tmp = tmp->below)
2083 if (tmp->type == FORCE)
2084 if (tmp->arch->archname == shstr_dragon_skin_force)
2085 skin = tmp;
2086 else if (tmp->arch->archname == shstr_dragon_ability_force)
2087 abil = tmp;
2088
2089 /* if either skin or ability are missing, this is an old player
2090 which is not to be considered a dragon -> bail out */
2091 if (skin == NULL || abil == NULL)
2092 return 0;
2093
2094 /* now start by filling stomache and health, according to food-value */
2095 if ((999 - op->stats.food) < meal->stats.food)
2096 op->stats.hp += (999 - op->stats.food) / 50;
2097 else
2098 op->stats.hp += meal->stats.food / 50;
2099
2100 if (op->stats.hp > op->stats.maxhp)
2101 op->stats.hp = op->stats.maxhp;
2102
2103 op->stats.food = MIN (999, op->stats.food + meal->stats.food);
2104
2105 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2106
2107 /* on to the interesting part: chances for adding resistance */
2108 for (i = 0; i < NROFATTACKS; i++)
2109 {
2110 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2111 {
2112 /* got positive resistance, now calculate improvement chance (0-100) */
2113
2114 /* this bonus makes resistance increase easier at lower levels */
2115 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2116 if (i == abil->stats.exp)
2117 bonus += 5; /* additional bonus for resistance of ability-focus */
2118
2119 /* monster bonus increases with level, because high-level
2120 flesh is too rare */
2121 mbonus = op->level * 20. / ((double) settings.max_level);
2122
2123 chance = (((double) MIN (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2124 ((double) settings.max_level)) - skin->resist[i];
2125
2126 if (chance >= 0.)
2127 chance += 1.;
2128 else
2129 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2130
2131 /* chance is proportional to amount of resistance (max. 50) */
2132 chance *= ((double) (MIN (meal->resist[i], 50))) / 50.;
2133
2134 /* doubled chance for resistance of ability-focus */
2135 if (i == abil->stats.exp)
2136 chance = MIN (100., chance * 2.);
2137
2138 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2139 if (rndm (10000) < (unsigned int) (chance * 100))
2140 {
2141 atnr_winner[winners] = i;
2142 winners++;
2143 }
2144
2145 if (chance >= 0.01)
2146 totalchance *= 1 - chance / 100;
2147
2148 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2149 }
2150 }
2151
2152 /* inverse totalchance as until now we have the failure-chance */
2153 totalchance = 100 - totalchance * 100;
2154
2155 /* print message according to totalchance */
2156 const char *buf;
2157 if (totalchance > 50.)
2158 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2159 else if (totalchance > 10.)
2160 buf = format ("The %s tasted very good.", &meal->name);
2161 else if (totalchance > 1.)
2162 buf = format ("The %s tasted good.", &meal->name);
2163 else if (totalchance > 0.1)
2164 buf = format ("The %s tasted bland.", &meal->name);
2165 else if (totalchance >= 0.01)
2166 buf = format ("The %s had a boring taste.", &meal->name);
2167 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2168 buf = format ("The %s tasted strange.", &meal->name);
2169 else
2170 buf = format ("The %s had no taste.", &meal->name);
2171
2172 op->statusmsg (buf);
2173
2174 /* now choose a winner if we have any */
2175 i = -1;
2176 if (winners > 0)
2177 i = atnr_winner[RANDOM () % winners];
2178
2179 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2180 {
2181 /* resistance increased! */
2182 skin->resist[i]++;
2183 op->update_stats ();
2184
2185 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2186 }
2187
2188 /* if this flesh contains a new ability focus, we mark it
2189 into the ability_force and it will take effect on next level */
2190 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2191 {
2192 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2193
2194 if (meal->last_eat != abil->stats.exp)
2195 op->statusmsg (format (
2196 "Your metabolism prepares to focus on %s!\n"
2197 "The change will happen at level %d.",
2198 change_resist_msg[meal->last_eat],
2199 abil->level + 1
2200 ));
2201 else
2202 {
2203 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2204 abil->last_eat = 0;
2205 }
2206 }
2207
2208 return 1;
2209}
2210
2211/**
2212 * Handles applying an improve armor scroll.
2213 * Does some sanity checks, then calls improve_armour.
2214 */
2215static void
2216apply_armour_improver (object *op, object *tmp)
2217{
2218 object *armor;
2219
2220 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2221 {
2222 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2223 return;
2224 }
2225
2226 armor = find_marked_object (op);
2227
2228 if (!armor)
2229 {
2230 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2231 return;
2232 }
2233
2234 if (armor->type != ARMOUR
2235 && armor->type != CLOAK
2236 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2237 {
2238 op->failmsg ("Your marked item is not armour!\n");
2239 return;
2240 }
2241
2242 op->statusmsg ("Applying armour enchantment.");
2243 improve_armour (op, tmp, armor);
2244}
2245
2246extern void
2247apply_poison (object *op, object *tmp)
2248{
2249 if (op->type == PLAYER)
2250 {
2251 op->contr->play_sound (sound_find ("drink_poison"));
2252 op->failmsg ("Yech! That tasted poisonous!");
2253 strcpy (op->contr->killer, "poisonous booze");
2254 }
2255
2256 if (tmp->stats.hp > 0)
2257 {
2258 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", tmp->stats.hp);
2259 hit_player (op, tmp->stats.hp, tmp, AT_POISON, 1);
2260 }
2261
2262 op->stats.food -= op->stats.food / 4;
2263 handle_apply_yield (tmp);
2264 decrease_ob (tmp);
2265}
2266
2267/**
2268 * This function return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2269 * A valid 2 way exit means:
2270 * -You can come back (there is another exit at the other side)
2271 * -You are
2272 * ° the owner of the exit
2273 * ° or in the same party as the owner
2274 *
2275 * Note: a owner in a 2 way exit is saved as the owner's name
2276 * in the field exit->name cause the field exit->owner doesn't
2277 * survive in the swapping (in fact the whole exit doesn't survive).
2278 */
2279int
2280is_legal_2ways_exit (object *op, object *exit)
2281{
2282 if (exit->stats.exp != 1)
2283 return 1; /*This is not a 2 way, so it is legal */
2284
2285#if 0 //TODO
2286 if (!has_been_loaded (EXIT_PATH (exit)) && exit->race)
2287 return 0; /* This is a reset town portal */
2288#endif
2289
2290 LOG (llevError | logBacktrace, "sync map load due to %s\n", exit->debug_desc ());
2291
2292 maptile *exitmap = maptile::find_sync (EXIT_PATH (exit), exit->map);
2293
2294 if (exitmap)
2295 {
2296 exitmap->load_sync ();
2297
2298 object *tmp = exitmap->at (EXIT_X (exit), EXIT_Y (exit)).bot;
2299
2300 if (!tmp)
2301 return 0;
2302
2303 for (; tmp; tmp = tmp->above)
2304 {
2305 if (tmp->type != EXIT)
2306 continue; /*Not an exit */
2307
2308 if (!EXIT_PATH (tmp))
2309 continue; /*Not a valid exit */
2310
2311 if ((EXIT_X (tmp) != exit->x) || (EXIT_Y (tmp) != exit->y))
2312 continue; /*Not in the same place */
2313
2314 if (exit->map->path != EXIT_PATH (tmp))
2315 continue; /*Not in the same map */
2316
2317 /* From here we have found the exit is valid. However we do
2318 * here the check of the exit owner. It is important for the
2319 * town portals to prevent strangers from visiting your appartments
2320 */
2321 if (!exit->race)
2322 return 1; /*No owner, free for all! */
2323
2324 object *exit_owner = 0;
2325
2326 for_all_players (pp)
2327 {
2328 if (!pp->ob)
2329 continue;
2330
2331 if (pp->ob->name != exit->race)
2332 continue;
2333
2334 exit_owner = pp->ob; /*We found a player which correspond to the player name */
2335 break;
2336 }
2337
2338 if (!exit_owner)
2339 return 0; /* No more owner */
2340
2341 if (exit_owner->contr == op->contr)
2342 return 1; /*It is your exit */
2343
2344 if (exit_owner && /*There is a owner */
2345 (op->contr) && /*A player tries to pass */
2346 ((exit_owner->contr->party == NULL) || /*No pass if controller has no party */
2347 (exit_owner->contr->party != op->contr->party))) /* Or not the same as op */
2348 return 0;
2349
2350 return 1;
2351 }
2352 }
2353
2354 return 0;
2355}
2356
2357/**
2358 * Main apply handler.
2359 *
2360 * Checks for unpaid items before applying.
2361 *
2362 * Return value:
2363 * 0: player or monster can't apply objects of that type
2364 * 1: has been applied, or there was an error applying the object
2365 * 2: objects of that type can't be applied if not in inventory
2366 *
2367 * op is the object that is causing object to be applied, tmp is the object
2368 * being applied.
2369 *
2370 * aflag is special (always apply/unapply) flags. Nothing is done with
2371 * them in this function - they are passed to apply_special
2372 */
2373int
2374manual_apply (object *op, object *tmp, int aflag)
2375{
2376 if (tmp->head)
2377 tmp = tmp->head;
2378
2379 if (QUERY_FLAG (tmp, FLAG_UNPAID) && !QUERY_FLAG (tmp, FLAG_APPLIED))
2380 {
2381 if (op->type == PLAYER)
2382 {
2383 op->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");
2384 return 1;
2385 }
2386 else
2387 return 0; /* monsters just skip unpaid items */
2388 }
2389
2390 if (INVOKE_OBJECT (APPLY, tmp, ARG_OBJECT (op)))
2391 return RESULT_INT (0);
2392
2393 switch (tmp->type)
2394 {
2395 case CF_HANDLE:
2396 op->play_sound (sound_find ("turn_handle"));
2397 op->statusmsg ("You turn the handle.");
2398 tmp->value = tmp->value ? 0 : 1;
2399 SET_ANIMATION (tmp, tmp->value);
2400 update_object (tmp, UP_OBJ_FACE);
2401 push_button (tmp);
2402 return 1;
2403
2404 case TRIGGER:
2405 if (check_trigger (tmp, op))
2406 {
2407 op->statusmsg ("You turn the handle.");
2408 op->play_sound (sound_find ("turn_handle"));
2409 }
2410 else
2411 op->failmsg ("The handle doesn't move.");
2412
2413 return 1;
2414
2415 case EXIT:
2416 if (op->type != PLAYER)
2417 return 0;
2418
2419 if (!EXIT_PATH (tmp) || !is_legal_2ways_exit (op, tmp))
2420 op->failmsg (format ("The %s is closed.", query_name (tmp)));
2421 else
2422 {
2423 /* Don't display messages for random maps. */
2424 if (tmp->msg && strncmp (EXIT_PATH (tmp), "/!", 2))
2425 op->statusmsg (tmp->msg, NDI_NAVY);
2426
2427 op->enter_exit (tmp);
2428 }
2429
2430 return 1;
2431
2432 case INSCRIBABLE:
2433 op->statusmsg (tmp->msg);
2434 // maybe show a spell menu to chose from or something like that
2435 return 1;
2436
2437 case SIGN:
2438 apply_sign (op, tmp, 0);
2439 return 1;
2440
2441 case BOOK:
2442 if (op->type == PLAYER)
2443 {
2444 apply_book (op, tmp);
2445 return 1;
2446 }
2447 else
2448 return 0;
2449
2450 case SKILLSCROLL:
2451 if (op->type == PLAYER)
2452 {
2453 apply_skillscroll (op, tmp);
2454 return 1;
2455 }
2456 else
2457 return 0;
2458
2459 case SPELLBOOK:
2460 if (op->type == PLAYER)
2461 {
2462 apply_spellbook (op, tmp);
2463 return 1;
2464 }
2465 else
2466 return 0;
2467
2468 case SCROLL:
2469 apply_scroll (op, tmp, 0);
2470 return 1;
2471
2472 case POTION:
2473 apply_potion (op, tmp);
2474 return 1;
2475
2476 /* Eneq(@csd.uu.se): Handle apply on containers. */
2477 //TODO: remove, as it is unsed?
2478 case CLOSE_CON:
2479 apply_container (op, tmp->env);
2480 return 1;
2481
2482 case CONTAINER:
2483 apply_container (op, tmp);
2484 return 1;
2485
2486 case TREASURE:
2487 if (op->type == PLAYER)
2488 {
2489 apply_treasure (op, tmp);
2490 return 1;
2491 }
2492 else
2493 return 0;
2494
2495 case WEAPON:
2496 case ARMOUR:
2497 case BOOTS:
2498 case GLOVES:
2499 case AMULET:
2500 case GIRDLE:
2501 case BRACERS:
2502 case SHIELD:
2503 case HELMET:
2504 case RING:
2505 case CLOAK:
2506 case WAND:
2507 case ROD:
2508 case HORN:
2509 case SKILL:
2510 case BOW:
2511 case LAMP:
2512 case BUILDER:
2513 case SKILL_TOOL:
2514 if (tmp->env != op)
2515 return 2; /* not in inventory */
2516
2517 apply_special (op, tmp, aflag);
2518 return 1;
2519
2520 case DRINK:
2521 case FOOD:
2522 case FLESH:
2523 apply_food (op, tmp);
2524 return 1;
2525
2526 case POISON:
2527 apply_poison (op, tmp);
2528 return 1;
2529
2530 case SAVEBED:
2531 return 1;
2532
2533 case ARMOUR_IMPROVER:
2534 if (op->type == PLAYER)
2535 {
2536 apply_armour_improver (op, tmp);
2537 return 1;
2538 }
2539 else
2540 return 0;
2541
2542 case WEAPON_IMPROVER:
2543 check_improve_weapon (op, tmp);
2544 return 1;
2545
2546 case CLOCK:
2547 if (op->type == PLAYER)
2548 {
2549 char buf[MAX_BUF];
2550 timeofday_t tod;
2551
2552 get_tod (&tod);
2553 op->play_sound (sound_find ("sound_clock"));
2554 op->statusmsg (format (
2555 "It is %d minute%s past %d o'clock %s",
2556 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
2557 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
2558 ));
2559 return 1;
2560 }
2561 else
2562 return 0;
2563
2564 case MENU:
2565 if (op->type == PLAYER)
2566 {
2567 shop_listing (tmp, op);
2568 return 1;
2569 }
2570 else
2571 return 0;
2572
2573 case POWER_CRYSTAL:
2574 apply_power_crystal (op, tmp); /* see egoitem.c */
2575 return 1;
2576
2577 case LIGHTER: /* for lighting torches/lanterns/etc */
2578 if (op->type == PLAYER)
2579 {
2580 apply_lighter (op, tmp);
2581 return 1;
2582 }
2583 else
2584 return 0;
2585
2586 case ITEM_TRANSFORMER:
2587 apply_item_transformer (op, tmp);
2588 return 1;
2589
2590 default:
2591 return 0;
2592 }
2593}
2594
2595
2596/* quiet suppresses the "don't know how to apply" and "you must get it first"
2597 * messages as needed by player_apply_below(). But there can still be
2598 * "but you are floating high above the ground" messages.
2599 *
2600 * Same return value as apply() function.
2601 */
2602int
2603player_apply (object *pl, object *op, int aflag, int quiet)
2604{
2605 int tmp;
2606
2607 if (op->env && (pl->move_type & MOVE_FLYING))
2608 {
2609 /* player is flying and applying object not in inventory */
2610 if (!QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING))
2611 {
2612 pl->failmsg ("But you are floating high above the ground! H<You have to stop levitating first, if you can.>");
2613 return 0;
2614 }
2615 }
2616
2617 pl->contr->last_used = op;
2618
2619 tmp = manual_apply (pl, op, aflag);
2620 if (!quiet)
2621 {
2622 if (tmp == 0)
2623 pl->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
2624 else if (tmp == 2)
2625 pl->failmsg ("You must get it first!\n");
2626 }
2627
2628 return tmp;
2629}
2630
2631/**
2632 * player_apply_below attempts to apply the object 'below' the player.
2633 * If the player has an open container, we use that for below, otherwise
2634 * we use the ground.
2635 */
2636void
2637player_apply_below (object *pl)
2638{
2639 int floors = 0;
2640
2641 /* If using a container, set the starting item to be the top
2642 * item in the container. Otherwise, use the map.
2643 * This is perhaps more complicated. However, I want to make sure that
2644 * we don't use a corrupt pointer for the next object, so we get the
2645 * next object in the stack before applying. This is can only be a
2646 * problem if player_apply() has a bug in that it uses the object but does
2647 * not return a proper value.
2648 */
2649 for (object *next, *tmp = pl->container ? pl->container->inv : pl->below; tmp; tmp = next)
2650 {
2651 next = tmp->below;
2652
2653 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2654 floors++;
2655 else if (floors > 0)
2656 return; /* process only floor objects after first floor object */
2657
2658 /* If it is visible, player can apply it. If it is applied by
2659 * person moving on it, also activate. Added code to make it
2660 * so that at least one of players movement types be that which
2661 * the item needs.
2662 */
2663 if (!tmp->invisible || (tmp->move_on & pl->move_type))
2664 {
2665 if (player_apply (pl, tmp, 0, 1) == 1)
2666 return;
2667 }
2668 if (floors >= 2)
2669 return; /* process at most two floor objects */
2670 }
2671} 1027}
2672 1028
2673/** 1029/**
2674 * Unapplies specified item. 1030 * Unapplies specified item.
2675 * No check done on cursed/damned. 1031 * No check done on cursed/damned.
2676 * Break this out of apply_special - this is just done 1032 * Break this out of apply_special - this is just done
2677 * to keep the size of apply_special to a more managable size. 1033 * to keep the size of apply_special to a more managable size.
2678 */ 1034 */
2679static int 1035static bool
2680unapply_special (object *who, object *op, int aflags) 1036unapply_special (object *who, object *op, int aflags)
2681{ 1037{
2682 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags)) 1038 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
2683 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1039 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2684 return RESULT_INT (0); 1040 return RESULT_INT (0);
2685 1041
2686 CLEAR_FLAG (op, FLAG_APPLIED); 1042 if (who->current_weapon == op)
1043 who->current_weapon = 0;
1044
1045 op->flag [FLAG_APPLIED] = false;
2687 1046
2688 switch (op->type) 1047 switch (op->type)
2689 { 1048 {
2690 case SKILL_TOOL: 1049 case SKILL:
1050 if (player *pl = who->contr)
1051 if (op->invisible)
1052 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
1053 else
1054 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
1055
1056 change_abil (who, op);
1057 who->flag [FLAG_READY_SKILL] = false;
1058 break;
1059
1060 case WEAPON:
1061 who->statusmsg (format ("You unwield %s.", query_name (op)));
1062 change_abil (who, op);
1063 who->flag [FLAG_READY_WEAPON] = false;
1064
2691 // unapplying a skill tool should also unapply the skill it governs 1065 // unapplying a weapon or skill tool should also unapply the skill it governs
2692 // but this is hard, as it shouldn't do so when the skill can 1066 // but this is hard, as it shouldn't do so when the skill can
2693 // be used for other reasons 1067 // be used for other reasons
2694 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1068 //TODO: really?
2695 if (tmp->skill == op->skill 1069 if (who->chosen_skill)
2696 && tmp->type == SKILL 1070 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
2697 && tmp->flag [FLAG_APPLIED]
2698 && !tmp->flag [FLAG_CAN_USE_SKILL])
2699 unapply_special (who, tmp, 0); 1071 unapply_special (who, who->chosen_skill, 0);
2700 1072
2701 change_abil (who, op);
2702 break; 1073 break;
2703 1074
1075 case RANGED:
1076 case BOW:
2704 case WEAPON: 1077 case WAND:
1078 case ROD:
1079 case HORN:
2705 if (player *pl = who->contr) 1080 if (player *pl = who->contr)
2706 if (op == pl->combat_ob)
2707 {
2708 pl->combat_ob = 0;
2709 who->change_weapon (pl->ranged_ob);
2710 }
2711
2712 who->statusmsg (format ("You unwield %s.", query_name (op)));
2713
2714 change_abil (who, op);
2715 CLEAR_FLAG (who, FLAG_READY_WEAPON);
2716 break;
2717
2718 case SKILL:
2719 if (who->contr)
2720 { 1081 {
2721 if (!op->invisible)
2722 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1082 who->statusmsg (format ("You unready %s.", query_name (op)));
1083 change_abil (who, op);
1084 }
1085 else
1086 {
1087 if (op->type == BOW)
1088 op->flag [FLAG_READY_BOW ] = false;
2723 else 1089 else
2724 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1090 op->flag [FLAG_READY_RANGE] = false;
2725 } 1091 }
2726 1092
2727 change_abil (who, op);
2728 CLEAR_FLAG (who, FLAG_READY_SKILL);
2729 break; 1093 break;
2730 1094
2731 case ARMOUR: 1095 case ARMOUR:
2732 case HELMET: 1096 case HELMET:
2733 case SHIELD: 1097 case SHIELD:
… …
2740 case CLOAK: 1104 case CLOAK:
2741 who->statusmsg (format ("You unwear %s.", query_name (op))); 1105 who->statusmsg (format ("You unwear %s.", query_name (op)));
2742 change_abil (who, op); 1106 change_abil (who, op);
2743 break; 1107 break;
2744 1108
2745 case LAMP: 1109 case SPELL:
2746 {
2747 who->statusmsg (format ("You turn off your %s.", &op->name));
2748
2749 object *tmp2 = arch_to_object (op->other_arch);
2750 tmp2->x = op->x;
2751 tmp2->y = op->y;
2752 tmp2->map = op->map;
2753 tmp2->below = op->below;
2754 tmp2->above = op->above;
2755 tmp2->stats.food = op->stats.food;
2756 CLEAR_FLAG (tmp2, FLAG_APPLIED);
2757
2758 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
2759 SET_FLAG (tmp2, FLAG_INV_LOCKED);
2760
2761 if (who->contr)
2762 esrv_del_item (who->contr, op->count);
2763
2764 op->destroy ();
2765 insert_ob_in_ob (tmp2, who);
2766 who->update_stats ();
2767
2768 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
2769 {
2770 if (who->contr)
2771 {
2772 who->failmsg ("Oops, it feels deadly cold!");
2773 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
2774 }
2775 }
2776
2777 if (who->contr)
2778 esrv_send_item (who, tmp2);
2779 }
2780
2781 return 1; /* otherwise, an attempt to drop causes problems */
2782
2783 case BOW: 1110 case BUILDER:
2784 case WAND:
2785 case ROD:
2786 case HORN:
2787 if (player *pl = who->contr)
2788 {
2789 if (op == pl->ranged_ob)
2790 {
2791 pl->ranged_ob = 0;
2792 who->change_weapon (pl->combat_ob);
2793 }
2794
2795 who->statusmsg (format ("You unready %s.", query_name (op))); 1111 who->statusmsg (format ("You unready %s.", query_name (op)));
2796 }
2797 else
2798 {
2799 who->change_skill (0);
2800
2801 if (op->type == BOW)
2802 CLEAR_FLAG (who, FLAG_READY_BOW);
2803 else
2804 CLEAR_FLAG (who, FLAG_READY_RANGE);
2805 }
2806
2807 break; 1112 break;
2808 1113
2809 case BUILDER: 1114 //case SKILL_TOOL://TODO
2810 if (who->contr)
2811 who->statusmsg (format ("You unready %s.", query_name (op)));
2812 break;
2813
2814 default: 1115 default:
2815 who->statusmsg (format ("You unapply %s.", query_name (op))); 1116 who->statusmsg (format ("You unapply %s.", query_name (op)));
2816 break; 1117 break;
2817 } 1118 }
2818 1119
1120 if (aflags & AP_NO_MERGE || !merge_ob (op, 0))
1121 if (object *pl = op->visible_to ())
1122 esrv_send_item (pl, op);
1123
2819 who->update_stats (); 1124 who->update_stats ();
2820 1125
2821 if (!(aflags & AP_NO_MERGE))
2822 {
2823 object *tmp = merge_ob (op, 0);
2824
2825 if (who->contr)
2826 {
2827 if (tmp)
2828 { /* it was merged */
2829 esrv_del_item (who->contr, op->count);
2830 op = tmp;
2831 }
2832
2833 esrv_send_item (who, op);
2834 }
2835 }
2836
2837 return 0; 1126 return 1;
2838} 1127}
2839 1128
2840/** 1129/**
2841 * Returns the object that is using location 'loc'. 1130 * Returns the object that is using location 'loc'.
2842 * Note that 'start' is the first object to start examing - we 1131 * Note that 'start' is the first object to start examing - we
… …
2854static object * 1143static object *
2855get_next_item_from_body_location (int loc, object *start) 1144get_next_item_from_body_location (int loc, object *start)
2856{ 1145{
2857 for (object *tmp = start; tmp; tmp = tmp->below) 1146 for (object *tmp = start; tmp; tmp = tmp->below)
2858 if (tmp->flag [FLAG_APPLIED] 1147 if (tmp->flag [FLAG_APPLIED]
2859 && tmp->slot[loc].info 1148 && tmp->slot [loc].info
2860 && (!tmp->invisible || tmp->type == SKILL)) 1149 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
2861 return tmp; 1150 return tmp;
2862 1151
2863 return 0; 1152 return 0;
2864} 1153}
2865 1154
… …
2878#define CANNOT_REMOVE_CURSED \ 1167#define CANNOT_REMOVE_CURSED \
2879 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \ 1168 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \
2880 "Praying over an altar, scrolls of remove curse/damnation, " \ 1169 "Praying over an altar, scrolls of remove curse/damnation, " \
2881 "priests or even other players might help.>" 1170 "priests or even other players might help.>"
2882 1171
2883int 1172static bool
2884unapply_for_ob (object *who, object *op, int aflags) 1173unapply_for_ob (object *who, object *op, int aflags)
2885{ 1174{
2886 if (op->is_range ()) 1175 if (op->is_range ())
2887 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1176 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2888 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1177 if (tmp->flag [FLAG_APPLIED] && tmp->is_range ())
2889 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))) 1178 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!tmp->flag [FLAG_CURSED] && !tmp->flag [FLAG_DAMNED]))
2890 { 1179 {
2891 if (aflags & AP_PRINT) 1180 if (aflags & AP_PRINT)
2892 who->failmsg (query_name (tmp)); 1181 who->failmsg (query_name (tmp));
2893 else 1182 else
2894 unapply_special (who, tmp, aflags); 1183 unapply_special (who, tmp, aflags);
… …
2897 { 1186 {
2898 /* In this case, we want to try and remove a cursed item. 1187 /* In this case, we want to try and remove a cursed item.
2899 * While we know it won't work, we want unapply_special to 1188 * While we know it won't work, we want unapply_special to
2900 * at least generate the message. 1189 * at least generate the message.
2901 */ 1190 */
2902 who->failmsg (format ("No matter how hard you try, you just can't remove the %s." CANNOT_REMOVE_CURSED, query_name (tmp))); 1191 who->failmsgf ("No matter how hard you try, you just can't remove the %s." CANNOT_REMOVE_CURSED, query_name (tmp));
2903 return 1; 1192 return 1;
2904 } 1193 }
2905 1194
2906 for (int i = 0; i < NUM_BODY_LOCATIONS; i++) 1195 for (int i = 0; i < NUM_BODY_LOCATIONS; i++)
2907 { 1196 {
… …
2927#endif 1216#endif
2928 return 1; 1217 return 1;
2929 } 1218 }
2930 1219
2931 /* If we are just printing, we don't care about cursed status */ 1220 /* If we are just printing, we don't care about cursed status */
2932 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!(QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)))) 1221 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!(tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])))
2933 { 1222 {
2934 if (aflags & AP_PRINT) 1223 if (aflags & AP_PRINT)
2935 who->failmsg (query_name (tmp)); 1224 who->failmsg (query_name (tmp));
2936 else 1225 else
2937 unapply_special (who, tmp, aflags); 1226 unapply_special (who, tmp, aflags);
… …
2941 /* Cursed item that we can't unequip - tell the player. 1230 /* Cursed item that we can't unequip - tell the player.
2942 * Note this could be annoying if this is just one of a few, 1231 * Note this could be annoying if this is just one of a few,
2943 * so it may not be critical (eg, putting on a ring and you have 1232 * so it may not be critical (eg, putting on a ring and you have
2944 * one cursed ring.) 1233 * one cursed ring.)
2945 */ 1234 */
2946 who->failmsg (format ("The %s just won't come off." CANNOT_REMOVE_CURSED, query_name (tmp))); 1235 who->failmsgf ("The %s just won't come off." CANNOT_REMOVE_CURSED, query_name (tmp));
2947 } 1236 }
2948 1237
2949 last = tmp->below; 1238 last = tmp->below;
2950 } 1239 }
2951 /* if we got here, this slot is freed up - otherwise, if it wasn't freed up, the 1240 /* if we got here, this slot is freed up - otherwise, if it wasn't freed up, the
… …
3010 continue; 1299 continue;
3011 } 1300 }
3012 1301
3013 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1302 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3014 if (!tmp1) 1303 if (!tmp1)
3015 {
3016#if 0
3017 /* This is sort of an error, but happens a lot when old players
3018 * join in with more stuff equipped than they are now allowed.
3019 */
3020 LOG (llevError, "Can't find object using location %d on %s\n", i, who->name);
3021#endif
3022 retval |= CAN_APPLY_NEVER; 1304 retval |= CAN_APPLY_NEVER;
3023 }
3024 else 1305 else
3025 { 1306 {
3026 /* need to unapply something. However, if this something 1307 /* need to unapply something. However, if this something
3027 * is different than we had found before, it means they need 1308 * is different than we had found before, it means they need
3028 * to apply multiple objects 1309 * to apply multiple objects
… …
3057 * the weapon/shield checks, and the range checks for monsters, 1338 * the weapon/shield checks, and the range checks for monsters,
3058 * because you can't control those just by body location - bows, shields, 1339 * because you can't control those just by body location - bows, shields,
3059 * and weapons all use the same slot. Similar for horn/rod/wand - they 1340 * and weapons all use the same slot. Similar for horn/rod/wand - they
3060 * all use the same location. 1341 * all use the same location.
3061 */ 1342 */
3062 if (op->type == WEAPON && !QUERY_FLAG (who, FLAG_USE_WEAPON)) 1343 if (op->type == WEAPON && !who->flag [FLAG_USE_WEAPON])
3063 retval |= CAN_APPLY_RESTRICTION; 1344 retval |= CAN_APPLY_RESTRICTION;
3064 1345
3065 if (op->type == SHIELD && !QUERY_FLAG (who, FLAG_USE_SHIELD)) 1346 if (op->type == SHIELD && !who->flag [FLAG_USE_SHIELD])
3066 retval |= CAN_APPLY_RESTRICTION; 1347 retval |= CAN_APPLY_RESTRICTION;
3067 1348
3068 if (who->type != PLAYER) 1349 if (who->type != PLAYER)
3069 { 1350 {
3070 if ((op->type == WAND || op->type == HORN || op->type == ROD) && !QUERY_FLAG (who, FLAG_USE_RANGE)) 1351 if ((op->type == WAND || op->type == HORN || op->type == ROD) && !who->flag [FLAG_USE_RANGE])
3071 retval |= CAN_APPLY_RESTRICTION; 1352 retval |= CAN_APPLY_RESTRICTION;
3072 1353
3073 if (op->type == BOW && !QUERY_FLAG (who, FLAG_USE_BOW)) 1354 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
3074 retval |= CAN_APPLY_RESTRICTION; 1355 retval |= CAN_APPLY_RESTRICTION;
3075 1356
3076 if (op->type == RING && !QUERY_FLAG (who, FLAG_USE_RING)) 1357 if (op->type == RING && !who->flag [FLAG_USE_RING])
3077 retval |= CAN_APPLY_RESTRICTION; 1358 retval |= CAN_APPLY_RESTRICTION;
3078 1359
3079 if (op->type == BOW && !QUERY_FLAG (who, FLAG_USE_BOW)) 1360 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
3080 retval |= CAN_APPLY_RESTRICTION; 1361 retval |= CAN_APPLY_RESTRICTION;
3081 } 1362 }
3082 1363
3083 return retval; 1364 return retval;
3084} 1365}
… …
3108 */ 1389 */
3109 1390
3110#define LACK_ITEM_POWER \ 1391#define LACK_ITEM_POWER \
3111 " H<You lack enough unused item power to use this weapon, see the skills command.>" 1392 " H<You lack enough unused item power to use this weapon, see the skills command.>"
3112 1393
3113int 1394static bool
3114apply_special (object *who, object *op, int aflags) 1395apply_special (object *who, object *op, int aflags)
3115{ 1396{
3116 int basic_flag = aflags & AP_BASIC_FLAGS; 1397 int basic_flag = aflags & AP_MODE;
3117 object *tmp, *tmp2, *skop = NULL; 1398 object *tmp, *skop = NULL;
3118
3119 if (who == NULL)
3120 {
3121 LOG (llevError, "apply_special() from object without environment.\n");
3122 return 1;
3123 }
3124
3125 if (op->env != who)
3126 return 1; /* op is not in inventory */
3127 1399
3128 /* trying to unequip op */ 1400 /* trying to unequip op */
3129 if (QUERY_FLAG (op, FLAG_APPLIED)) 1401 if (op->flag [FLAG_APPLIED])
3130 { 1402 {
3131 /* always apply, so no reason to unapply */ 1403 /* always apply, so no reason to unapply */
3132 if (basic_flag == AP_APPLY) 1404 if (basic_flag == AP_APPLY)
3133 return 0; 1405 return 0;
3134 1406
3135 if (!(aflags & AP_IGNORE_CURSE) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)))
3136 {
3137 who->failmsg (format ("No matter how hard you try, you just can't remove %s." CANNOT_REMOVE_CURSED, query_name (op)));
3138 return 1;
3139 }
3140
3141 return unapply_special (who, op, aflags); 1407 return unapply_special (who, op, aflags);
3142 } 1408 }
3143
3144 if (basic_flag == AP_UNAPPLY) 1409 else if (basic_flag == AP_UNAPPLY)
3145 return 0; 1410 return 0;
3146
3147 // if the item is combat/ranged, wield the relevant slot first
3148 // to resolve conflicts.
3149 if (player *pl = who->contr)
3150 switch (op->slottype ())
3151 {
3152 case slot_combat: who->change_weapon (pl->combat_ob); break;
3153 case slot_ranged: who->change_weapon (pl->ranged_ob); break;
3154 }
3155 1411
3156 splay (op); 1412 splay (op);
3157 1413
3158 /* Can't just apply this object. Lets see what not and what to do */ 1414 /* Can't just apply this object. Lets see what not and what to do */
3159 if (int i = can_apply_object (who, op)) 1415 if (int i = can_apply_object (who, op))
3160 { 1416 {
3161 if (i & CAN_APPLY_NEVER) 1417 if (i & CAN_APPLY_NEVER)
3162 { 1418 {
3163 who->failmsg (format ("You don't have the body to use a %s. H<You can never apply this item.>", query_name (op))); 1419 who->failmsgf ("You don't have the body to use a %s. H<You can never apply this item.>", query_name (op));
3164 return 1; 1420 return 1;
3165 } 1421 }
3166 else if (i & CAN_APPLY_RESTRICTION) 1422 else if (i & CAN_APPLY_RESTRICTION)
3167 { 1423 {
3168 who->failmsg (format ( 1424 who->failmsgf (
3169 "You have a prohibition against using a %s. " 1425 "You have a prohibition against using a %s. "
3170 "H<Your belief, profession or class prevents you from applying this item.>", 1426 "H<Your belief, profession or class prevents you from applying this item.>",
3171 query_name (op) 1427 query_name (op)
3172 )); 1428 );
3173 return 1; 1429 return 1;
3174 } 1430 }
3175 1431
3176 if (who->type != PLAYER) 1432 if (who->type != PLAYER)
3177 { 1433 {
… …
3193 } 1449 }
3194 } 1450 }
3195 1451
3196 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1452 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3197 { 1453 {
1454 // try to ready attached skill first
3198 skop = find_skill_by_name (who, op->skill); 1455 skop = find_skill_by_name (who, op->skill);
3199 1456
3200 if (!skop) 1457 if (!skop)
3201 { 1458 {
3202 who->failmsg (format ("You need the %s skill to use this item!", &op->skill)); 1459 who->failmsgf ("You need the %s skill to use this item!", &op->skill);
3203 return 1; 1460 return 1;
3204 } 1461 }
3205 else 1462 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
3206 /* While experience will be credited properly, we want to change the
3207 * skill so that the dam and wc get updated
3208 */ 1463 {
3209 who->change_skill (skop); 1464 who->failmsgf ("You can't use the required %s skill!", &op->skill);
1465 return 1;
1466 }
3210 } 1467 }
3211 1468
3212 if (who->type == PLAYER 1469 if (!check_item_power (who, op->item_power))
3213 && op->item_power
3214 && op->item_power + who->contr->item_power > settings.item_power_factor * who->level)
3215 { 1470 {
3216 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER); 1471 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
3217 return 1; 1472 return 1;
3218 } 1473 }
3219 1474
3220 /* Ok. We are now at the state where we can apply the new object. 1475 /* Ok. We are now at the state where we can apply the new object.
3221 * Note that we don't have the checks for can_use_... 1476 * Note that we don't have the checks for can_use_...
3222 * below - that is already taken care of by can_apply_object. 1477 * below - that is already taken care of by can_apply_object.
3223 */ 1478 */
3224 if (op->nrof > 1) 1479
3225 tmp = get_split_ob (op, op->nrof - 1); 1480 // split away all the other items from the stack, so only one item is left
3226 else 1481 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3227 tmp = 0;
3228 1482
3229 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op))) 1483 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
3230 return RESULT_INT (0); 1484 return RESULT_INT (0);
3231 1485
3232 switch (op->type) 1486 switch (op->type)
3233 { 1487 {
3234 case WEAPON: 1488 case WEAPON:
3235 if (!check_weapon_power (who, op->last_eat)) 1489 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3236 {
3237 op->failmsg ("This weapon is too powerful for you to use. It would consume your soul!." LACK_ITEM_POWER);
3238
3239 if (tmp)
3240 insert_ob_in_ob (tmp, who);
3241
3242 return 1;
3243 }
3244
3245 //TODO: this obviously fails for players using a shorter prefix
3246 // i.e. "R" can use Ragnarok's sword.
3247 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3248 { 1490 {
3249 /* if the weapon does not have the name as the character, can't use it. */ 1491 /* if the weapon does not have the name as the character, can't use it. */
3250 /* (Ragnarok's sword attempted to be used by Foo: won't work) */ 1492 /* (Ragnarok's sword attempted to be used by Foo: won't work) */
3251 who->failmsg ("The weapon does not recognize you as its owner. H<Its name indicates that it belongs to somebody else.>"); 1493 who->failmsg ("The weapon does not recognize you as its owner. "
3252 1494 "H<Its name indicates that it belongs to somebody else.>");
3253 if (tmp) 1495 if (tmp) who->insert (tmp);
3254 insert_ob_in_ob (tmp, who);
3255
3256 return 1; 1496 return 1;
3257 } 1497 }
3258 1498
3259 if (!skop) 1499 op->flag [FLAG_APPLIED] = true;
1500
1501 if (player *pl = who->contr)
3260 { 1502 {
3261 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1503 who->statusmsg (format ("You wield %s.", query_name (op)));
3262 return 1; 1504 change_abil (who, op);
3263 } 1505 }
3264 1506
3265 SET_FLAG (op, FLAG_APPLIED); 1507 op->flag [FLAG_READY_WEAPON] = true;
3266 who->change_skill (skop);
3267
3268 if (who->contr)
3269 who->change_weapon (who->contr->combat_ob = op);
3270
3271 who->statusmsg (format ("You wield %s.", query_name (op)));
3272
3273 SET_FLAG (who, FLAG_READY_WEAPON);
3274 change_abil (who, op);
3275 break; 1508 break;
3276 1509
3277 case ARMOUR: 1510 case ARMOUR:
3278 case HELMET: 1511 case HELMET:
3279 case SHIELD: 1512 case SHIELD:
… …
3282 case GIRDLE: 1515 case GIRDLE:
3283 case BRACERS: 1516 case BRACERS:
3284 case CLOAK: 1517 case CLOAK:
3285 case RING: 1518 case RING:
3286 case AMULET: 1519 case AMULET:
3287 SET_FLAG (op, FLAG_APPLIED); 1520 op->set_flag (FLAG_APPLIED);
3288 who->statusmsg (format ("You wear %s.", query_name (op))); 1521 who->statusmsg (format ("You wear %s.", query_name (op)));
3289 change_abil (who, op); 1522 change_abil (who, op);
3290 break; 1523 break;
3291 1524
3292 case LAMP:
3293 if (op->stats.food < 1)
3294 {
3295 who->failmsg (format (
3296 "Your %s is out of fuel! "
3297 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3298 &op->name
3299 ));
3300 return 1;
3301 }
3302
3303 who->statusmsg (format ("You turn on your %s.", &op->name));
3304
3305 tmp2 = arch_to_object (op->other_arch);
3306 tmp2->stats.food = op->stats.food;
3307 SET_FLAG (tmp2, FLAG_APPLIED);
3308
3309 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
3310 SET_FLAG (tmp2, FLAG_INV_LOCKED);
3311
3312 insert_ob_in_ob (tmp2, who);
3313
3314 /* Remove the old lantern */
3315 if (who->type == PLAYER)
3316 esrv_del_item (who->contr, op->count);
3317
3318 op->destroy ();
3319
3320 /* insert the portion that was split off */
3321 if (tmp)
3322 {
3323 insert_ob_in_ob (tmp, who);
3324 if (who->type == PLAYER)
3325 esrv_send_item (who, tmp);
3326 }
3327
3328 who->update_stats ();
3329
3330 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
3331 if (who->type == PLAYER)
3332 {
3333 who->failmsg ("Oops, it feels deadly cold! H<Maybe it wasn't such a bright idea to apply this cursed/damned item.>");
3334 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
3335 }
3336
3337 if (who->type == PLAYER)
3338 esrv_send_item (who, tmp2);
3339
3340 return 0;
3341
3342 case SKILL_TOOL: 1525 case SKILL_TOOL:
3343 // applying a skill tool also readies the skill 1526 // applying a skill tool does not ready the skill
3344 SET_FLAG (op, FLAG_APPLIED); 1527 // if something needs the skill, it has to ready it itself
3345 1528 //TODO: unapplying should unapply the skill, though
3346 if (!(aflags & AP_NO_READY))
3347 {
3348 skop = find_skill_by_name (who, op->skill);
3349 if (!skop->flag [FLAG_APPLIED]) 1529 op->set_flag (FLAG_APPLIED);
3350 apply_special (who, skop, AP_APPLY);
3351 }
3352 break; 1530 break;
3353 1531
3354 case SKILL: 1532 case SKILL:
3355 if (player *pl = who->contr) 1533 if (who->contr)
3356 {
3357 if (IS_COMBAT_SKILL (op->subtype))
3358 {
3359 if (skill_flags [op->subtype] & SF_NEED_WEAPON)
3360 {
3361 for (object *item = who->inv; item; item = item->below)
3362 if (item->type == WEAPON && item->flag [FLAG_APPLIED])
3363 {
3364 if (item->skill == op->skill)
3365 {
3366 who->change_weapon (pl->combat_ob = item);
3367 goto found_weapon;
3368 }
3369 }
3370
3371 who->failmsg (format (
3372 "You need to apply a '%s' melee weapon before readying this skill. "
3373 "H<Some skills need an item, in this case a melee weapon, to function.>",
3374 &op->skill
3375 ));
3376 return 1;
3377
3378 found_weapon:;
3379 }
3380 else
3381 who->change_weapon (pl->combat_ob = op);
3382 }
3383 else if (IS_RANGED_SKILL (op->subtype))
3384 {
3385 if (skill_flags [op->subtype] & SF_NEED_BOW)
3386 {
3387 for (object *item = who->inv; item; item = item->below)
3388 if (item->type == BOW && item->flag [FLAG_APPLIED])
3389 {
3390 //TODO: bows should/must all have skill missile weapon right now
3391 who->change_weapon (pl->ranged_ob = item);
3392 goto found_bow;
3393 }
3394
3395 who->failmsg (
3396 "You need to apply a missile weapon before readying this skill. "
3397 "H<Some skills need an item, in this case a missile weapon, to function.>"
3398 );
3399 return 1;
3400
3401 found_bow:;
3402 }
3403 else
3404 who->change_weapon (pl->ranged_ob = op);
3405 }
3406
3407 if (!op->invisible) 1534 if (op->invisible)
3408 { 1535 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
3409 who->statusmsg (format (
3410 "You ready %s."
3411 "You can now use the skill: %s.",
3412 query_name (op),
3413 &op->skill
3414 ));
3415 }
3416 else 1536 else
3417 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1537 who->statusmsg (format ("You ready %s.", query_name (op)));
3418 } 1538
3419 else 1539 who->set_flag (FLAG_READY_SKILL);
3420 { 1540 op->set_flag (FLAG_APPLIED);
3421 SET_FLAG (op, FLAG_APPLIED);
3422 change_abil (who, op); 1541 change_abil (who, op);
3423 who->chosen_skill = op;
3424 SET_FLAG (who, FLAG_READY_SKILL);
3425 }
3426
3427 break; 1542 break;
3428 1543
3429 case BOW: 1544 case BOW:
3430 if (!check_weapon_power (who, op->last_eat)) 1545 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3431 {
3432 who->failmsg ("That weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3433
3434 if (tmp)
3435 insert_ob_in_ob (tmp, who);
3436
3437 return 1;
3438 }
3439
3440 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3441 { 1546 {
3442 who->failmsg ("The weapon does not recognize you as its owner. " 1547 who->failmsg ("The weapon does not recognize you as its owner. "
3443 "H<Its name indicates that it belongs to somebody else.>"); 1548 "H<Its name indicates that it belongs to somebody else.>");
3444 if (tmp) 1549 if (tmp) who->insert (tmp);
3445 insert_ob_in_ob (tmp, who);
3446
3447 return 1; 1550 return 1;
3448 } 1551 }
1552
1553 if (player *pl = who->contr)
1554 {
1555 op->flag [FLAG_APPLIED] = true;
1556 who->statusmsg (format ("You wield the %s.", query_name (op)));
1557 change_abil (who, op);
1558 }
1559 break;
1560
1561 case RANGED:
1562 if (player *pl = who->contr)
1563 {
1564 op->flag [FLAG_APPLIED] = true;
1565 who->statusmsg (format ("You applied the %s.", query_name (op)));
1566 }
1567 break;
1568
1569 case SPELL:
1570 if (player *pl = who->contr)
1571 {
1572 op->flag [FLAG_APPLIED] = true;
1573 who->statusmsg (format ("You ready the spell %s.", query_name (op)));
1574 }
1575 break;
3449 1576
3450 /*FALLTHROUGH*/ 1577 /*FALLTHROUGH*/
3451 case WAND: 1578 case WAND:
3452 case ROD: 1579 case ROD:
3453 case HORN: 1580 case HORN:
3454 /* check for skill, alter player status */ 1581 op->flag [FLAG_APPLIED] = true;
3455 1582
3456 if (!skop) 1583 if (player *pl = who->contr)
3457 { 1584 {
3458 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO
3459 return 1;
3460 }
3461
3462 SET_FLAG (op, FLAG_APPLIED);
3463 who->change_skill (skop);
3464
3465 if (who->contr)
3466 {
3467 who->contr->ranged_ob = op;
3468
3469 who->statusmsg (format ("You ready %s.", query_name (op))); 1585 who->statusmsg (format ("You ready %s.", query_name (op)));
3470 1586
3471 if (op->type == BOW) 1587 if (op->type == BOW)
3472 {
3473 who->current_weapon = op;
3474 change_abil (who, op);
3475 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op))); 1588 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
3476 } 1589
1590 change_abil (who, op);
3477 } 1591 }
3478 else 1592 else
3479 { 1593 {
3480 if (op->type == BOW) 1594 if (op->type == BOW)
3481 SET_FLAG (who, FLAG_READY_BOW); 1595 op->flag [FLAG_READY_BOW ] = true;
3482 else 1596 else
3483 SET_FLAG (who, FLAG_READY_RANGE); 1597 op->flag [FLAG_READY_RANGE] = true;
3484 } 1598 }
3485 1599
3486 break; 1600 break;
3487 1601
3488 case BUILDER: 1602 case BUILDER:
3489 if (who->type == PLAYER) 1603 if (player *pl = who->contr)
3490 { 1604 {
3491 //TODO: wtf does this do? shouldn't this be managed automatically (slots?)
3492 if (who->contr->ranged_ob && who->contr->ranged_ob->type == BUILDER)
3493 unapply_special (who, who->contr->ranged_ob, 0);
3494
3495 who->statusmsg (format ("You ready your %s.", query_name (op))); 1605 who->statusmsg (format ("You ready your %s.", query_name (op)));
3496 1606 //TODO: change_abil?
3497 who->contr->ranged_ob = op;
3498 } 1607 }
3499 break; 1608 break;
3500 1609
3501 default: 1610 default:
3502 who->statusmsg (format ("You apply %s.", query_name (op))); 1611 who->statusmsg (format ("You apply %s.", query_name (op)));
3503 } 1612 }
3504 1613
3505 SET_FLAG (op, FLAG_APPLIED); 1614 op->set_flag (FLAG_APPLIED);
3506 1615
3507 if (tmp) 1616 if (tmp) who->insert (tmp);
3508 tmp = insert_ob_in_ob (tmp, who);
3509 1617
3510 who->update_stats (); 1618 who->update_stats ();
3511 1619
3512 /* We exclude spell casting objects. The fire code will set the 1620 /* We exclude spell casting objects. The fire code will set the
3513 * been applied flag when they are used - until that point, 1621 * been applied flag when they are used - until that point,
3514 * you don't know anything about them. 1622 * you don't know anything about them.
3515 */ 1623 */
3516 if (who->type == PLAYER && op->type != WAND && op->type != HORN && op->type != ROD) 1624 if (who->type == PLAYER && op->type != WAND && op->type != HORN && op->type != ROD)
3517 SET_FLAG (op, FLAG_BEEN_APPLIED); 1625 op->set_flag (FLAG_BEEN_APPLIED);
3518 1626
3519 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)) 1627 if (op->flag [FLAG_CURSED] || op->flag [FLAG_DAMNED])
3520 if (who->type == PLAYER) 1628 if (who->type == PLAYER)
3521 { 1629 {
3522 who->failmsg ( 1630 who->failmsg (
3523 "Oops, it feels deadly cold! " 1631 "Oops, it feels deadly cold! "
3524 "H<Maybe it wasn't such a bright idea to apply this cursed/damned item.>" 1632 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>"
3525 ); 1633 );
3526 SET_FLAG (op, FLAG_KNOWN_CURSED); 1634 op->set_flag (FLAG_KNOWN_CURSED);
3527 } 1635 }
3528 1636
3529 if (who->type == PLAYER) 1637 if (object *pl = op->visible_to ())
3530 {
3531 /* if multiple objects were applied, update both slots */
3532 if (tmp)
3533 esrv_send_item (who, tmp);
3534
3535 esrv_send_item (who, op); 1638 esrv_send_item (pl, op);
3536 }
3537 1639
3538 return 0; 1640 return 0;
3539} 1641}
3540 1642
1643/**
1644 * Check if op should abort moving victim because of it's race or slaying.
1645 * Returns 1 if it should abort, returns 0 if it should continue.
1646 */
3541int 1647int
3542monster_apply_special (object *who, object *op, int aflags) 1648should_director_abort (object *op, object *victim)
3543{ 1649{
3544 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED)) 1650 int arch_flag, name_flag, race_flag;
1651
1652 /* Get flags to determine what of arch, name, and race should be checked.
1653 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
1654 * the next is the name flag, and the last is the race flag. Also note,
1655 * if subtype is set to zero, that also goes to defaults of all affecting
1656 * it. Examples:
1657 * subtype 1: only arch
1658 * subtype 3: arch or name
1659 * subtype 5: arch or race
1660 * subtype 7: all three
1661 */
1662 if (op->subtype)
1663 {
1664 arch_flag = op->subtype & 1;
1665 name_flag = op->subtype & 2;
1666 race_flag = op->subtype & 4;
1667 }
1668 else
1669 {
1670 arch_flag = 1;
1671 name_flag = 1;
1672 race_flag = 1;
1673 }
1674
1675 /* If the director has race set, only affect objects with a arch,
1676 * name or race that matches.
1677 */
1678 if ((op->race) &&
1679 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
1680 ((!(victim->name && name_flag) || op->race != victim->name)) &&
1681 ((!(victim->race && race_flag) || op->race != victim->race)))
3545 return 1; 1682 return 1;
3546 1683
1684 /* If the director has slaying set, only affect objects where none
1685 * of arch, name, or race match.
1686 */
1687 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
1688 ((victim->name && name_flag && op->slaying == victim->name)) ||
1689 ((victim->race && race_flag && op->slaying == victim->race)))
1690 return 1;
1691
1692 return 0;
1693}
1694
1695/**
1696 * This handles a player dropping money on an altar to identify stuff.
1697 * It'll identify marked item, if none all items up to dropped money.
1698 * Return value: 1 if money was destroyed, 0 if not.
1699 */
1700static int
1701apply_id_altar (object *money, object *altar, object *pl)
1702{
1703 dynbuf_text &buf = msg_dynbuf; buf.clear ();
1704
1705 if (!pl || pl->type != PLAYER)
1706 return 0;
1707
1708 /* Check for MONEY type is a special hack - it prevents 'nothing needs
1709 * identifying' from being printed out more than it needs to be.
1710 */
1711 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
1712 return 0;
1713
1714 /* if the player has a marked item, identify that if it needs to be
1715 * identified. If it doesn't, then go through the player inventory.
1716 */
1717 if (object *marked = pl->mark ())
1718 if (!marked->flag [FLAG_IDENTIFIED] && marked->need_identify ())
1719 {
1720 if (operate_altar (altar, &money, pl))
1721 {
1722 identify (marked);
1723
1724 buf.printf ("You have %s.\r", long_desc (marked, pl));
1725 if (marked->msg)
1726 buf << "The item has a story:\r" << marked->msg << "\n\n";
1727
1728 return !money;
1729 }
1730 }
1731
1732 for (object *id = pl->inv; id; id = id->below)
1733 {
1734 if (!id->flag [FLAG_IDENTIFIED] && !id->invisible && id->need_identify ())
1735 {
1736 if (operate_altar (altar, &money, pl))
1737 {
1738 identify (id);
1739
1740 buf.printf ("You have %s.\r", long_desc (id, pl));
1741 if (id->msg)
1742 buf << "The item has a story:\r" << id->msg << "\n\n";
1743
1744 /* If no more money, might as well quit now */
1745 if (!money || !check_altar_sacrifice (altar, money))
1746 break;
1747 }
1748 else
1749 {
1750 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
1751 break;
1752 }
1753 }
1754 }
1755
1756 if (buf.empty ())
1757 pl->failmsg ("You have nothing that needs identifying");
1758 else
1759 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
1760
1761 return !money;
1762}
1763
1764/**
1765 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
1766 * matching item.
1767 **/
1768void
1769handle_apply_yield (object *tmp)
1770{
1771 if (shstr_tmp yield = tmp->kv [shstr_on_use_yield])
1772 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
1773}
1774
1775/**
1776 * Handles applying a potion.
1777 */
1778int
1779apply_potion (object *op, object *tmp)
1780{
1781 int got_one = 0, i;
1782 object *force = 0;
1783
1784 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
1785 {
1786 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
1787
1788 tmp->clr_flag (FLAG_APPLIED);
1789 return 0;
1790 }
1791
1792 if (op->type == PLAYER)
1793 if (!tmp->flag [FLAG_IDENTIFIED])
1794 identify (tmp);
1795
1796 handle_apply_yield (tmp);
1797
1798 /* Potion of restoration - only for players */
1799 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
1800 {
1801 object *depl;
1802 archetype *at;
1803
1804 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1805 {
1806 op->drain_stat ();
1807 op->update_stats ();
1808 tmp->decrease ();
1809 return 1;
1810 }
1811
1812 if (!(at = archetype::find (shstr_depletion)))
1813 {
1814 LOG (llevError, "Could not find archetype depletion\n");
1815 return 0;
1816 }
1817
1818 depl = present_arch_in_ob (at, op);
1819
1820 if (depl)
1821 {
1822 for (i = 0; i < NUM_STATS; i++)
1823 if (depl->stats.stat (i))
1824 op->statusmsg (restore_msg[i]);
1825
1826 depl->destroy ();
1827 op->update_stats ();
1828 }
1829 else
1830 op->statusmsg ("Your potion had no effect.");
1831
1832 tmp->decrease ();
1833 return 1;
1834 }
1835
1836 /* improvement potion - only for players */
1837 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
1838 {
1839 for (i = 1; i < min (11, op->level); i++)
1840 {
1841 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1842 {
1843 if (op->contr->levhp[i] != 1)
1844 {
1845 op->contr->levhp[i] = 1;
1846 break;
1847 }
1848
1849 if (op->contr->levsp[i] != 1)
1850 {
1851 op->contr->levsp[i] = 1;
1852 break;
1853 }
1854
1855 if (op->contr->levgrace[i] != 1)
1856 {
1857 op->contr->levgrace[i] = 1;
1858 break;
1859 }
1860 }
1861 else
1862 {
1863 if (op->contr->levhp[i] < 9)
1864 {
1865 op->contr->levhp[i] = 9;
1866 break;
1867 }
1868
1869 if (op->contr->levsp[i] < 6)
1870 {
1871 op->contr->levsp[i] = 6;
1872 break;
1873 }
1874
1875 if (op->contr->levgrace[i] < 3)
1876 {
1877 op->contr->levgrace[i] = 3;
1878 break;
1879 }
1880 }
1881 }
1882
1883 /* Just makes checking easier */
1884 if (i < min (11, op->level))
1885 got_one = 1;
1886
1887 if (!tmp->flag [FLAG_CURSED] && !tmp->flag [FLAG_DAMNED])
1888 {
1889 if (got_one)
1890 {
1891 op->update_stats ();
1892 op->statusmsg ("The Gods smile upon you and remake you "
1893 "a little more in their image. "
1894 "You feel a little more perfect.", NDI_GREEN);
1895 }
1896 else
1897 op->statusmsg ("The potion had no effect - you are already perfect.");
1898 }
1899 else
1900 { /* cursed potion */
1901 if (got_one)
1902 {
1903 op->update_stats ();
1904 op->failmsg ("The Gods are angry and punish you.");
1905 }
1906 else
1907 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
1908 }
1909
1910 tmp->decrease ();
1911 return 1;
1912 }
1913
1914
1915 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
1916 * and heroism all fit into this category. Given the spell object code,
1917 * there is no limit to the number of spells that potions can be cast,
1918 * but direction is problematic to try and imbue fireball potions for example.
1919 */
1920 if (tmp->inv)
1921 {
1922 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1923 {
1924 op->failmsg ("Yech! Your lungs are on fire!");
1925 create_exploding_ball_at (op, op->level);
1926 }
1927 else
1928 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
1929
1930 tmp->decrease ();
1931
1932 /* if youre dead, no point in doing this... */
1933 if (!op->flag [FLAG_REMOVED])
1934 op->update_stats ();
1935
1936 return 1;
1937 }
1938
1939 /* Deal with protection potions */
1940 force = NULL;
1941 for (i = 0; i < NROFATTACKS; i++)
1942 {
1943 if (tmp->resist[i])
1944 {
1945 if (!force)
1946 force = archetype::get (FORCE_NAME);
1947
1948 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
1949 force->type = POTION_EFFECT;
1950 break; /* Only need to find one protection since we copy entire batch */
1951 }
1952 }
1953
1954 /* This is a protection potion */
1955 if (force)
1956 {
1957 /* cursed items last longer */
1958 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1959 {
1960 force->stats.food *= 10;
1961 for (i = 0; i < NROFATTACKS; i++)
1962 if (force->resist[i] > 0)
1963 force->resist[i] = -force->resist[i]; /* prot => vuln */
1964 }
1965
1966 force->speed_left = -1;
1967 force = insert_ob_in_ob (force, op);
1968 tmp->clr_flag (FLAG_APPLIED);
1969 force->set_flag (FLAG_APPLIED);
1970 change_abil (op, force);
1971 tmp->decrease ();
1972 return 1;
1973 }
1974
1975 /* Only thing left are the stat potions */
1976 if (op->type == PLAYER)
1977 { /* only for players */
1978 if ((tmp->flag [FLAG_CURSED]
1979 || tmp->flag [FLAG_DAMNED])
1980 && tmp->value != 0)
1981 tmp->clr_flag (FLAG_APPLIED);
1982 else
1983 tmp->set_flag (FLAG_APPLIED);
1984
1985 if (!change_abil (op, tmp))
1986 op->statusmsg ("Nothing happened.");
1987 }
1988
1989 /* CLEAR_FLAG is so that if the character has other potions
1990 * that were grouped with the one consumed, his
1991 * stat will not be raised by them. fix_player just clears
1992 * up all the stats.
1993 */
1994 tmp->clr_flag (FLAG_APPLIED);
1995 op->update_stats ();
1996 tmp->decrease ();
1997 return 1;
1998}
1999
2000/**
2001 * 'victim' moves onto 'trap'
2002 * 'victim' leaves 'trap'
2003 * effect is determined by move_on/move_off of trap and move_type of victime.
2004 *
2005 * originator: Player, monster or other object that caused 'victim' to move
2006 * onto 'trap'. Will receive messages caused by this action. May be NULL.
2007 * However, some types of traps require an originator to function.
2008 */
2009void
2010move_apply (object *trap, object *victim, object *originator)
2011{
2012 static int recursion_depth = 0;
2013
2014 trap = trap->head_ ();
2015
2016 /* Only exits affect DMs. */
2017 if (victim->flag [FLAG_WIZPASS] && trap->type != EXIT && trap->type != SIGN)
2018 return;
2019
2020 /* move_apply() is the most likely candidate for causing unwanted and
2021 * possibly unlimited recursion.
2022 */
2023
2024 /* The following was changed because it was causing perfectly correct
2025 * maps to fail. 1) it's not an error to recurse:
2026 * rune detonates, summoning monster. monster lands on nearby rune.
2027 * nearby rune detonates. This sort of recursion is expected and
2028 * proper. This code was causing needless crashes.
2029 */
2030 if (recursion_depth >= 500)
2031 {
2032 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
2033 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
2034 return;
2035 }
2036
2037 recursion_depth++;
2038
2039 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
2040 switch (trap->type)
2041 {
2042 case PLAYERMOVER:
2043 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
2044 {
2045 if (!trap->stats.maxsp)
2046 trap->stats.maxsp = 2;
2047
2048 /* Is this correct? From the docs, it doesn't look like it
2049 * should be divided by trap->speed
2050 */
2051 victim->speed_left = -trap->stats.maxsp * victim->speed / trap->speed;
2052
2053 /* Just put in some sanity check. I think there is a bug in the
2054 * above with some objects have zero speed, and thus the player
2055 * getting permanently paralyzed.
2056 */
2057 victim->speed_left = max (-50.f, victim->speed_left);
2058 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
2059 }
2060 break;
2061
2062 case SPINNER:
2063 if (victim->direction)
2064 {
2065 victim->direction = absdir (victim->direction - trap->stats.sp);
2066 update_turn_face (victim);
2067 }
2068 break;
2069
2070 case DIRECTOR:
2071 if (victim->direction && !should_director_abort (trap, victim))
2072 {
2073 victim->direction = trap->stats.sp;
2074 update_turn_face (victim);
2075 }
2076 break;
2077
2078 case BUTTON:
2079 case PEDESTAL:
2080 case T_MATCH:
2081 update_button (trap, originator);
2082 break;
2083
2084 case ALTAR:
2085 /* sacrifice victim on trap */
2086 apply_altar (trap, victim, originator);
2087 break;
2088
2089 case THROWN_OBJ:
2090 if (trap->inv == NULL)
2091 break;
2092 /* fallthrough */
2093
2094 case ARROW:
2095 /* bad bug: monster throw a object, make a step forwards, step on object ,
2096 * trigger this here and get hit by own missile - and will be own enemy.
2097 * Victim then is his own enemy and will start to kill herself (this is
2098 * removed) but we have not synced victim and his missile. To avoid senseless
2099 * action, we avoid hits here
2100 */
2101 if ((victim->flag [FLAG_ALIVE] && trap->has_active_speed ())
2102 && trap->owner != victim)
2103 hit_with_arrow (trap, victim);
2104 break;
2105
2106 case SPELL_EFFECT:
2107 apply_spell_effect (trap, victim);
2108 break;
2109
2110 case TRAPDOOR:
2111 {
2112 int max, sound_was_played;
2113 object *ab, *ab_next;
2114
2115 if (!trap->value)
2116 {
2117 int tot;
2118
2119 for (ab = trap->above, tot = 0; ab; ab = ab->above)
2120 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2121 tot += ab->head_ ()->total_weight ();
2122
2123 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
2124 break;
2125
2126 SET_ANIMATION (trap, trap->value);
2127 update_object (trap, UP_OBJ_FACE);
2128 }
2129
2130 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
2131 {
2132 /* need to set this up, since if we do transfer the object,
2133 * ab->above would be bogus
2134 */
2135 ab_next = ab->above;
2136
2137 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2138 {
2139 if (!sound_was_played)
2140 {
2141 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2142 sound_was_played = 1;
2143 }
2144
2145 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
2146 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
2147 }
2148 }
2149 break;
2150 }
2151
2152 case CONVERTER:
2153 if (convert_item (victim, trap) < 0)
2154 {
2155 originator->failmsgf ("The %s seems to be broken!", query_name (trap));
2156 archetype::get (shstr_burnout)->insert_at (trap, trap);
2157 }
2158
2159 break;
2160
2161 case TRIGGER_BUTTON:
2162 case TRIGGER_PEDESTAL:
2163 case TRIGGER_ALTAR:
2164 check_trigger (trap, victim, originator);
2165 break;
2166
2167 case DEEP_SWAMP:
2168 walk_on_deep_swamp (trap, victim);
2169 break;
2170
2171 case CHECK_INV:
2172 check_inv (victim, trap);
2173 break;
2174
2175 case HOLE:
2176 move_apply_hole (trap, victim);
2177 break;
2178
2179 case EXIT:
2180 if (victim->type == PLAYER && EXIT_PATH (trap))
2181 {
2182 /* Basically, don't show exits leading to random maps the
2183 * players output.
2184 */
2185 if (trap->msg && EXIT_PATH (trap) != shstr_random_map_exit)
2186 victim->statusmsg (trap->msg, NDI_NAVY);
2187
2188 trap->play_sound (trap->sound);
2189 victim->enter_exit (trap);
2190 }
2191 break;
2192
2193 case ENCOUNTER:
2194 /* may be some leftovers on this */
2195 break;
2196
2197 case SHOP_MAT:
2198 apply_shop_mat (trap, victim);
2199 break;
2200
2201 /* Drop a certain amount of gold, and have one item identified */
2202 case IDENTIFY_ALTAR:
2203 apply_id_altar (victim, trap, originator);
2204 break;
2205
2206 case SIGN:
2207 if (victim->type != PLAYER && trap->stats.food > 0)
2208 break; /* monsters musn't apply magic_mouths with counters */
2209
2210 apply_sign (victim, trap, 1);
2211 break;
2212
2213 case CONTAINER:
2214 apply_container (victim, trap);
2215 break;
2216
2217 case RUNE:
2218 case TRAP:
2219 if (trap->level && victim->flag [FLAG_ALIVE])
2220 spring_trap (trap, victim);
2221 break;
2222
2223 default:
2224 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
2225 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
2226 break;
2227 }
2228
2229 recursion_depth--;
2230}
2231
2232/**
2233 * Handles reading a regular (ie not containing a spell) book.
2234 */
2235static void
2236apply_book (object *op, object *tmp)
2237{
2238 int lev_diff;
2239 object *skill_ob;
2240
2241 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2242 {
2243 op->failmsg ("You are unable to read while blind!");
2244 return;
2245 }
2246
2247 if (!tmp->msg)
2248 {
2249 op->failmsgf ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name);
2250 return;
2251 }
2252
2253 /* need a literacy skill to read stuff! */
2254 skill_ob = find_skill_by_name (op, tmp->skill);
2255 if (!skill_ob)
2256 {
2257 op->failmsgf ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill);
2258 return;
2259 }
2260
2261 lev_diff = tmp->level - (skill_ob->level + 5);
2262 if (!op->flag [FLAG_WIZ] && lev_diff > 0)
2263 {
2264 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
2265 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
2266 : lev_diff < 5 ? "This book is beyond your comprehension."
2267 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
2268 : lev_diff < 15 ? "This book is way beyond your comprehension."
2269 : "This book is totally beyond your comprehension.");
2270 return;
2271 }
2272
2273 // we currently don't use the message types for anything.
2274 // readable_message_type *msgType = get_readable_message_type (tmp);
2275
2276 tmp->play_sound (tmp->sound ? tmp->sound : sound_find ("apply_book"));
2277
2278 if (player *pl = op->contr)
2279 if (client *ns = pl->ns)
2280 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
2281
2282 /* gain xp from reading */
2283 if (!tmp->flag [FLAG_NO_SKILL_IDENT])
2284 { /* only if not read before */
2285 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
2286
2287 if (!tmp->flag [FLAG_IDENTIFIED])
2288 {
2289 /*exp_gain *= 2; because they just identified it too */
2290 tmp->set_flag (FLAG_IDENTIFIED);
2291
2292 if (object *pl = tmp->visible_to ())
2293 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
2294 }
2295
2296 change_exp (op, exp_gain, skill_ob->skill, 0);
2297 tmp->set_flag (FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
2298 }
2299}
2300
2301/**
2302 * op made some mistake with a scroll, this takes care of punishment.
2303 * scroll_failure()- hacked directly from spell_failure
2304 */
2305static void
2306scroll_failure (object *op, int failure, int power)
2307{
2308 if (abs (failure / 4) > power)
2309 power = abs (failure / 4); /* set minimum effect */
2310
2311 if (failure <= -1 && failure > -15)
2312 { /* wonder */
2313 object *tmp;
2314
2315 op->failmsg ("Your spell warps!");
2316 tmp = archetype::get (SPELL_WONDER);
2317 cast_wonder (op, op, 0, tmp);
2318 tmp->destroy ();
2319 }
2320 else if (failure <= -15 && failure > -35)
2321 { /* drain mana */
2322 op->failmsg ("Your mana is drained!");
2323 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
2324 if (op->stats.sp < 0)
2325 op->stats.sp = 0;
2326 }
2327 else if (settings.spell_failure_effects == TRUE)
2328 {
2329 if (failure <= -35 && failure > -60)
2330 { /* confusion */
2331 op->failmsg ("The magic recoils on you!");
2332 confuse_player (op, op, power);
2333 }
2334 else if (failure <= -60 && failure > -70)
2335 { /* paralysis */
2336 op->failmsg ("The magic recoils and paralyzes you!");
2337 paralyze_player (op, op, power);
2338 }
2339 else if (failure <= -70 && failure > -80)
2340 { /* blind */
2341 op->failmsg ("The magic recoils on you!");
2342 blind_player (op, op, power);
2343 }
2344 else if (failure <= -80)
2345 { /* blast the immediate area */
2346 object *tmp = archetype::get (LOOSE_MANA);
2347 cast_magic_storm (op, tmp, power);
2348 op->failmsg ("You unleash uncontrolled mana!");
2349 tmp->destroy ();
2350 }
2351 }
2352}
2353
2354/**
2355 * Handles the applying of a skill scroll, calling learn_skill straight.
2356 * op is the person learning the skill, tmp is the skill scroll object
2357 */
2358static void
2359apply_skillscroll (object *op, object *tmp)
2360{
2361 switch (learn_skill (op, tmp))
2362 {
2363 case 0:
2364 op->play_sound (sound_find ("generic_fail"));
2365 op->failmsgf ("You already possess the knowledge held within the %s.", query_name (tmp));
2366 break;
2367
2368 case 1:
2369 tmp->decrease ();
2370 op->play_sound (sound_find ("skill_learn"));
2371 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
2372 break;
2373
2374 default:
2375 tmp->decrease ();
2376 op->play_sound (sound_find ("generic_fail"));
2377 op->failmsgf ("You fail to learn the knowledge of the %s.\n", query_name (tmp));
2378 break;
2379 }
2380}
2381
2382/**
2383 * Actually makes op learn spell.
2384 * Informs player of what happens.
2385 */
2386void
2387do_learn_spell (object *op, object *spell, int special_prayer)
2388{
2389 object *tmp;
2390
2391 if (op->type != PLAYER)
2392 {
2393 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
2394 return;
2395 }
2396
2397 /* Upgrade special prayers to normal prayers */
2398 if ((tmp = check_spell_known (op, spell->name)) != NULL)
2399 {
2400 if (special_prayer && !tmp->flag [FLAG_STARTEQUIP])
2401 {
2402 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
2403 return;
2404 }
2405 return;
2406 }
2407
2408 op->contr->play_sound (sound_find ("learn_spell"));
2409
2410 tmp = spell->clone ();
2411 insert_ob_in_ob (tmp, op);
2412
2413 if (special_prayer)
2414 tmp->set_flag (FLAG_STARTEQUIP);
2415
2416 esrv_add_spells (op->contr, tmp);
2417}
2418
2419/**
2420 * Erases spell from player's inventory.
2421 */
2422void
2423do_forget_spell (object *op, const char *spell)
2424{
2425 object *spob;
2426
2427 if (op->type != PLAYER)
2428 {
2429 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
2430 return;
2431 }
2432 if ((spob = check_spell_known (op, spell)) == NULL)
2433 {
2434 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
2435 return;
2436 }
2437
2438 op->failmsgf ("You lose knowledge of %s.", spell);
2439 esrv_remove_spell (op->contr, spob);
2440 spob->destroy ();
2441}
2442
2443/**
2444 * Handles player applying a spellbook.
2445 * Checks whether player has knowledge of required skill, doesn't already know the spell,
2446 * stuff like that. Random learning failure too.
2447 */
2448static void
2449apply_spellbook (object *op, object *tmp)
2450{
2451 object *skop, *spell, *spell_skill;
2452
2453 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2454 {
2455 op->failmsg ("You are unable to read while blind.");
2456 return;
2457 }
2458
2459 /* artifact_spellbooks have 'slaying' field point to a spell name,
2460 * instead of having their spell stored in stats.sp. These are
2461 * legacy spellbooks
2462 */
2463 if (tmp->slaying)
2464 {
2465 spell = find_archetype_by_object_name (tmp->slaying)->instance ();
2466
2467 if (!spell)
2468 {
2469 op->failmsgf ("The book's formula for %s is incomplete.", &tmp->slaying);
2470 return;
2471 }
2472 else
2473 insert_ob_in_ob (spell, tmp);
2474
2475 tmp->slaying = 0;
2476 }
2477
2478 skop = find_skill_by_name (op, tmp->skill);
2479
2480 /* need a literacy skill to learn spells. Also, having a literacy level
2481 * lower than the spell will make learning the spell more difficult */
2482 if (!skop)
2483 {
2484 op->failmsgf ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill);
2485 return;
2486 }
2487
2488 spell = tmp->inv;
2489
2490 if (!spell)
2491 {
2492 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
2493 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
2494 return;
2495 }
2496
2497 int learn_level = sqrtf (spell->level) * 1.5f;
2498 if (skop->level < learn_level)
2499 {
2500 op->failmsgf ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
2501 &tmp->skill, learn_level);
2502 return;
2503 }
2504
2505 op->statusmsg (format ("The spellbook contains the %s level spell %s.", ordinal (spell->level), &spell->name));
2506
2507 if (!tmp->flag [FLAG_IDENTIFIED])
2508 identify (tmp);
2509
2510 /* I removed the check for special_prayer_mark here - it didn't make
2511 * a lot of sense - special prayers are not found in spellbooks, and
2512 * if the player doesn't know the spell, doesn't make a lot of sense that
2513 * they would have a special prayer mark.
2514 */
2515 if (check_spell_known (op, spell->name))
2516 {
2517 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
2518 return;
2519 }
2520
2521 if (spell->skill)
2522 {
2523 spell_skill = find_skill_by_name (op, spell->skill);
2524
2525 if (!spell_skill)
2526 {
2527 op->failmsgf ("You lack the %s skill to use this spell.", &spell->skill);
2528 return;
2529 }
2530
2531 if (spell_skill->level < spell->level)
2532 {
2533 op->failmsgf ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill);
2534 return;
2535 }
2536 }
2537
2538 /* Logic as follows
2539 *
2540 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2541 *
2542 * 2- The learner's skill level in literacy adjusts the chance to learn
2543 * a spell.
2544 *
2545 * 3 -Automatically fail to learn if you read while confused
2546 *
2547 * Overall, chances are the same but a player will find having a high
2548 * literacy rate very useful! -b.t.
2549 */
2550 if (op->flag [FLAG_CONFUSED])
2551 {
2552 op->failmsg ("In your confused state you flub the wording of the text!");
2553 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
2554 }
2555 else if (tmp->flag [FLAG_STARTEQUIP] ||
2556 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
2557 {
2558 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
2559 do_learn_spell (op, spell, 0);
2560
2561 /* xp gain to literacy for spell learning */
2562 if (!tmp->flag [FLAG_STARTEQUIP])
2563 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
2564 }
2565 else
2566 {
2567 op->contr->play_sound (sound_find ("fumble_spell"));
2568 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
2569 }
2570
2571 tmp->decrease ();
2572}
2573
2574/**
2575 * Handles applying a spell scroll.
2576 */
2577void
2578apply_scroll (object *op, object *tmp, int dir)
2579{
2580 object *skop;
2581
2582 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2583 {
2584 op->failmsg ("You are unable to read while blind.");
2585 return;
2586 }
2587
2588 if (!tmp->inv || tmp->inv->type != SPELL)
2589 {
2590 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
2591 return;
2592 }
2593
2594 if (op->type == PLAYER)
2595 {
2596 /* players need a literacy skill to read stuff! */
2597 int exp_gain = 0;
2598
2599 /* hard code literacy - tmp->skill points to where the exp
2600 * should go for anything killed by the spell.
2601 */
2602 skop = find_skill_by_name (op, shstr_literacy);
2603
2604 if (!skop)
2605 {
2606 op->failmsgf ("You are unable to decipher the strange symbols. H<You lack the literacy skill.>");
2607 return;
2608 }
2609
2610 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
2611 change_exp (op, exp_gain, skop->skill, 0);
2612 }
2613
2614 if (!tmp->flag [FLAG_IDENTIFIED])
2615 identify (tmp);
2616
2617 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
2618
2619 cast_spell (op, tmp, dir, tmp->inv, NULL);
2620 tmp->decrease ();
2621}
2622
2623/**
2624 * Applies a treasure object - by default, chest. op
2625 * is the person doing the applying, tmp is the treasure
2626 * chest.
2627 */
2628static void
2629apply_treasure (object *op, object *tmp)
2630{
2631 /* Nice side effect of this treasure creation method is that the treasure
2632 * for the chest is done when the chest is created, and put into the chest
2633 * inventory. So that when the chest burns up, the items still exist. Also
2634 * prevents people from moving chests to more difficult maps to get better
2635 * treasure
2636 */
2637 object *treas = tmp->inv;
2638
2639 if (!treas)
2640 {
2641 op->statusmsg ("The chest was empty.");
2642 tmp->decrease ();
2643 return;
2644 }
2645
2646 while (tmp->inv)
2647 {
2648 treas = tmp->inv;
2649 treas->remove ();
2650
2651 treas->x = op->x;
2652 treas->y = op->y;
2653 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
2654
2655 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && op->flag [FLAG_ALIVE])
2656 spring_trap (treas, op);
2657
2658 /* If either player or container was destroyed, no need to do
2659 * further processing. I think this should be enclused with
2660 * spring trap above, as I don't think there is otherwise
2661 * any way for the treasure chest or player to get killed.
2662 */
2663 if (op->destroyed () || tmp->destroyed ())
2664 break;
2665 }
2666
2667 if (!tmp->destroyed () && !tmp->inv)
2668 tmp->decrease (true);
2669}
2670
2671/**
2672 * A dragon is eating some flesh. If the flesh contains resistances,
2673 * there is a chance for the dragon's skin to get improved.
2674 *
2675 * attributes:
2676 * object *op the object (dragon player) eating the flesh
2677 * object *meal the flesh item, getting chewed in dragon's mouth
2678 * return:
2679 * int 1 if eating successful, 0 if it doesn't work
2680 */
2681static int
2682dragon_eat_flesh (object *op, object *meal)
2683{
2684 object *skin = NULL; /* pointer to dragon skin force */
2685 object *abil = NULL; /* pointer to dragon ability force */
2686 object *tmp = NULL; /* tmp. object */
2687
2688 double chance; /* improvement-chance of one resistance type */
2689 double totalchance = 1; /* total chance of gaining one resistance */
2690 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2691 double mbonus = 0; /* monster bonus */
2692 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2693 int winners = 0; /* number of winners */
2694 int i; /* index */
2695
2696 /* let's make sure and doublecheck the parameters */
2697 if (meal->type != FLESH || !op->is_dragon ())
2698 return 0;
2699
2700 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2701 from the player's inventory */
2702 for (tmp = op->inv; tmp; tmp = tmp->below)
2703 if (tmp->type == FORCE)
2704 if (tmp->arch->archname == shstr_dragon_skin_force)
2705 skin = tmp;
2706 else if (tmp->arch->archname == shstr_dragon_ability_force)
2707 abil = tmp;
2708
2709 /* if either skin or ability are missing, this is an old player
2710 which is not to be considered a dragon -> bail out */
2711 if (skin == NULL || abil == NULL)
2712 return 0;
2713
2714 /* now start by filling stomache and health, according to food-value */
2715 if ((MAX_FOOD - op->stats.food) < meal->stats.food)
2716 op->stats.hp += (MAX_FOOD - op->stats.food) / 50;
2717 else
2718 op->stats.hp += meal->stats.food / 50;
2719
2720 min_it (op->stats.hp, op->stats.maxhp);
2721 op->stats.food = min (MAX_FOOD, op->stats.food + meal->stats.food);
2722
2723 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2724
2725 /* on to the interesting part: chances for adding resistance */
2726 for (i = 0; i < NROFATTACKS; i++)
2727 {
2728 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2729 {
2730 /* got positive resistance, now calculate improvement chance (0-100) */
2731
2732 /* this bonus makes resistance increase easier at lower levels */
2733 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2734 if (i == abil->stats.exp)
2735 bonus += 5; /* additional bonus for resistance of ability-focus */
2736
2737 /* monster bonus increases with level, because high-level
2738 flesh is too rare */
2739 mbonus = op->level * 20. / ((double) settings.max_level);
2740
2741 chance = (((double)min (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2742 ((double)settings.max_level)) - skin->resist[i];
2743
2744 if (chance >= 0.)
2745 chance += 1.;
2746 else
2747 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2748
2749 /* chance is proportional to amount of resistance (max. 50) */
2750 chance *= ((double)(min (meal->resist[i], 50))) / 50.;
2751
2752 /* doubled chance for resistance of ability-focus */
2753 if (i == abil->stats.exp)
2754 chance = min (100., chance * 2.);
2755
2756 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2757 if (rndm (10000) < (unsigned int)(chance * 100))
2758 {
2759 atnr_winner[winners] = i;
2760 winners++;
2761 }
2762
2763 if (chance >= 0.01)
2764 totalchance *= 1 - chance / 100;
2765
2766 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2767 }
2768 }
2769
2770 /* inverse totalchance as until now we have the failure-chance */
2771 totalchance = 100 - totalchance * 100;
2772
2773 /* print message according to totalchance */
2774 const char *buf;
2775 if (totalchance > 50.)
2776 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2777 else if (totalchance > 10.)
2778 buf = format ("The %s tasted very good.", &meal->name);
2779 else if (totalchance > 1.)
2780 buf = format ("The %s tasted good.", &meal->name);
2781 else if (totalchance > 0.1)
2782 buf = format ("The %s tasted bland.", &meal->name);
2783 else if (totalchance >= 0.01)
2784 buf = format ("The %s had a boring taste.", &meal->name);
2785 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2786 buf = format ("The %s tasted strange.", &meal->name);
2787 else
2788 buf = format ("The %s had no taste.", &meal->name);
2789
2790 op->statusmsg (buf);
2791
2792 /* now choose a winner if we have any */
2793 i = -1;
2794 if (winners > 0)
2795 i = atnr_winner [rndm (winners)];
2796
2797 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2798 {
2799 /* resistance increased! */
2800 skin->resist[i]++;
2801 op->update_stats ();
2802
2803 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2804 }
2805
2806 /* if this flesh contains a new ability focus, we mark it
2807 into the ability_force and it will take effect on next level */
2808 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2809 {
2810 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2811
2812 if (meal->last_eat != abil->stats.exp)
2813 op->statusmsg (format (
2814 "Your metabolism prepares to focus on %s!\n"
2815 "The change will happen at level %d.",
2816 change_resist_msg[meal->last_eat],
2817 abil->level + 1
2818 ));
2819 else
2820 {
2821 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2822 abil->last_eat = 0;
2823 }
2824 }
2825
2826 return 1;
2827}
2828
2829/**
2830 * op eats food.
2831 * If player, takes care of messages and dragon special food.
2832 */
2833static void
2834apply_food (object *op, object *tmp)
2835{
2836 int capacity_remaining;
2837
2838 if (op->type != PLAYER)
2839 op->stats.hp = op->stats.maxhp;
2840 else
2841 {
2842 /* check if this is a dragon (player), eating some flesh */
2843 if (tmp->type == FLESH && op->is_dragon () && dragon_eat_flesh (op, tmp))
2844 ;
2845 else
2846 {
2847 /* usual case - no dragon meal: */
2848 if (op->stats.food + tmp->stats.food > MAX_FOOD)
2849 {
2850 if (tmp->type == FOOD || tmp->type == FLESH)
2851 op->failmsg ("You feel full, but what a waste of food!");
2852 else
2853 op->statusmsg ("Most of the drink goes down your face not your throat!");
2854 }
2855
2856 tmp->play_sound (
2857 tmp->sound
2858 ? tmp->sound
2859 : tmp->type == DRINK
2860 ? sound_find ("eat_drink")
2861 : sound_find ("eat_food")
2862 );
2863
2864 if (!tmp->flag [FLAG_CURSED])
2865 {
2866 const char *buf;
2867
2868 if (!op->is_dragon ())
2869 {
2870 /* eating message for normal players */
2871 if (tmp->type == DRINK)
2872 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2873 else
2874 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2875 }
2876 else
2877 /* eating message for dragon players */
2878 buf = format ("The %s tasted terrible!", &tmp->name);
2879
2880 op->statusmsg (buf);
2881
2882 capacity_remaining = MAX_FOOD - op->stats.food;
2883 op->stats.food += tmp->stats.food;
2884 if (capacity_remaining < tmp->stats.food)
2885 op->stats.hp += capacity_remaining / 50;
2886 else
2887 op->stats.hp += tmp->stats.food / 50;
2888
2889 min_it (op->stats.hp, op->stats.maxhp);
2890 min_it (op->stats.food, MAX_FOOD);
2891 }
2892
2893 /* special food hack -b.t. */
2894 if (tmp->title || tmp->flag [FLAG_CURSED])
2895 eat_special_food (op, tmp);
2896 }
2897 }
2898
2899 handle_apply_yield (tmp);
2900 tmp->decrease ();
2901}
2902
2903/**
2904 * Handles applying an improve armor scroll.
2905 * Does some sanity checks, then calls improve_armour.
2906 */
2907static void
2908apply_armour_improver (object *op, object *tmp)
2909{
2910 if (!op->flag [FLAG_WIZCAST] && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2911 {
2912 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2913 return;
2914 }
2915
2916 object *armor = op->mark ();
2917
2918 if (!armor)
2919 {
2920 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2921 return;
2922 }
2923
2924 if (armor->type != ARMOUR
2925 && armor->type != CLOAK
2926 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2927 {
2928 op->failmsg ("Your marked item is not armour!\n");
2929 return;
2930 }
2931
2932 if (!op->apply (armor, AP_UNAPPLY))
2933 {
2934 op->failmsg ("You are unable to take off your armour to improve it!");
2935 return;
2936 }
2937
2938 op->statusmsg ("Applying armour enchantment.");
2939 improve_armour (op, tmp, armor);
2940}
2941
2942void
2943apply_poison (object *op, object *tmp)
2944{
2945 // need to do it now when it is still on the map
2946 handle_apply_yield (tmp);
2947
2948 object *poison = tmp->split (1);
2949
2950 if (op->type == PLAYER)
2951 {
2952 op->contr->play_sound (sound_find ("drink_poison"));
2953 op->failmsg ("Yech! That tasted poisonous!");
2954 op->contr->killer = poison;
2955 }
2956
2957 if (poison->stats.hp > 0)
2958 {
2959 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2960 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2961 }
2962
2963 op->stats.food -= op->stats.food / 4;
2964 poison->destroy ();
2965}
2966
2967/**
2968 * This function will try to apply a lighter and in case no lighter
2969 * is specified it will try to find a lighter in the players inventory,
2970 * and inform him about this requirement.
2971 *
2972 * who - the player
2973 * op - the item we want to light
2974 * lighter - the lighter or 0 if a lighter has yet to be found
2975 */
2976static object *
2977auto_apply_lighter (object *who, object *op, object *lighter)
2978{
2979 if (lighter == 0)
2980 {
2981 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2982 {
2983 if (tmp->type == LIGHTER)
2984 {
2985 lighter = tmp;
2986 break;
2987 }
2988 }
2989
2990 if (!lighter)
2991 {
2992 who->failmsgf (
2993 "You can't light up the %s with your bare hands! "
2994 "H<You need a lighter in your inventory, for example a flint and steel.>",
2995 &op->name
2996 );
2997 return 0;
2998 }
2999 }
3000
3001 // last_eat == 0 means the lighter is not being used up!
3002 if (lighter->last_eat && lighter->stats.food)
3003 {
3004 /* lighter gets used up */
3005 lighter = lighter->split ();
3006 lighter->stats.food--;
3007 who->insert (lighter);
3008 }
3009 else if (lighter->last_eat)
3010 {
3011 /* no charges left in lighter */
3012 who->failmsgf (
3013 "You attempt to light the %s with a used up %s.",
3014 &op->name, &lighter->name
3015 );
3016 return 0;
3017 }
3018
3019 return lighter;
3020}
3021
3022/**
3023 * Designed primarily to light torches/lanterns/etc.
3024 * Also burns up burnable material too. First object in the inventory is
3025 * the selected object to "burn". -b.t.
3026 */
3027static void
3028apply_lighter (object *who, object *lighter)
3029{
3030 if (object *item = who->mark ())
3031 {
3032 if (!auto_apply_lighter (who, item, lighter))
3033 return;
3034
3035 /* Perhaps we should split what we are trying to light on fire?
3036 * I can't see many times when you would want to light multiple
3037 * objects at once.
3038 */
3039
3040 save_throw_object (item, AT_FIRE, who);
3041
3042 if (item->destroyed ()
3043 || ((item->type == LAMP || item->type == TORCH)
3044 && item->glow_radius > 0))
3045 who->statusmsg (format (
3046 "You light the %s with the %s.",
3047 &item->name, &lighter->name
3048 ));
3049 else
3050 who->failmsgf (
3051 "You attempt to light the %s with the %s and fail.",
3052 &item->name, &lighter->name
3053 );
3054 }
3055 else
3056 who->failmsg ("You need to mark a lightable object.");
3057}
3058
3059/**
3060 * This function generates a cursed effect for cursed lamps and torches.
3061 */
3062static void
3063player_apply_lamp_cursed_effect (object *who, object *op)
3064{
3065 if (op->level)
3066 {
3067 who->failmsgf (
3068 "The %s was cursed, it explodes in a big fireball!",
3069 &op->name
3070 );
3071 create_exploding_ball_at (who, op->level);
3072 }
3073 else
3074 {
3075 who->failmsgf (
3076 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3077 &op->name
3078 );
3079 }
3080
3081 op->destroy ();
3082}
3083
3084/**
3085 * Apply for players and lamps
3086 *
3087 * who - the player
3088 * op - the lamp
3089 */
3090static void
3091player_apply_lamp (object *who, object *op)
3092{
3093 bool switch_on = op->glow_radius ? false : true;
3094
3095 if (switch_on)
3096 {
3097 object *lighter = 0;
3098
3099 if (op->flag [FLAG_IS_LIGHTABLE]
3100 && !(lighter = auto_apply_lighter (who, op, 0)))
3101 return;
3102
3103 if (op->stats.food < 1)
3104 {
3105 if (op->type == LAMP)
3106 who->failmsgf (
3107 "The %s is out of fuel! "
3108 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3109 &op->name
3110 );
3111 else
3112 who->failmsgf (
3113 "The %s is burnt out! "
3114 "H<Torches and similar items burn out and become worthless.>",
3115 &op->name
3116 );
3117 return;
3118 }
3119
3120 if (op->flag [FLAG_CURSED])
3121 {
3122 player_apply_lamp_cursed_effect (who, op);
3123 return;
3124 }
3125
3126 if (lighter)
3127 who->statusmsg (format (
3128 "You light up the %s with the %s.", &op->name, &lighter->name));
3129 else
3130 who->statusmsg (format ("You light up the %s.", &op->name));
3131 }
3132 else
3133 {
3134 if (op->flag [FLAG_CURSED])
3135 {
3136 player_apply_lamp_cursed_effect (who, op);
3137 return;
3138 }
3139
3140 if (op->type == TORCH)
3141 {
3142 if (!op->flag [FLAG_IS_LIGHTABLE])
3143 {
3144 who->statusmsg (format (
3145 "You put out the %s. "
3146 "H<The %s can't be used anymore, as it can't be lighted up again.>",
3147 &op->name, &op->name));
3148 }
3149 else
3150 who->statusmsg (format (
3151 "You put out the %s."
3152 "H<Torches wear out if you put them out.>",
3153 &op->name));
3154 }
3155 else
3156 who->statusmsg (format ("You turn off the %s.", &op->name));
3157 }
3158
3159 apply_lamp (op, switch_on);
3160}
3161
3162void get_animation_from_arch (object *op, arch_ptr a)
3163{
3164 op->animation_id = a->animation_id;
3165 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
3166 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
3167 op->anim_speed = a->anim_speed;
3168 op->last_anim = 0;
3169 op->state = 0;
3170 op->face = a->face;
3171
3172 if (NUM_ANIMATIONS(op) > 1)
3173 {
3174 SET_ANIMATION(op, 0);
3175 animate_object (op, op->direction);
3176 }
3177 else
3178 update_object (op, UP_OBJ_FACE);
3179}
3180
3181/**
3182 * Apply for LAMPs and TORCHes.
3183 *
3184 * op - the lamp
3185 * switch_on - a flag which says whether the lamp should be switched on or off
3186 */
3187void apply_lamp (object *op, bool switch_on)
3188{
3189 op->set_glow_radius (switch_on ? op->range : 0);
3190 op->set_speed (switch_on ? op->arch->speed : 0);
3191
3192 // torches wear out if you put them out
3193 if (op->type == TORCH && !switch_on)
3194 {
3195 if (op->flag [FLAG_IS_LIGHTABLE])
3196 {
3197 op->stats.food -= (double) op->arch->stats.food / 15;
3198 if (op->stats.food < 0)
3199 op->stats.food = 0;
3200 }
3201 else
3202 op->stats.food = 0;
3203 }
3204
3205 // lamps and torched get worthless when used up
3206 if (op->stats.food <= 0)
3207 op->value = 0;
3208
3209 // FIXME: This is a hack to make the more sane torches and lamps
3210 // still animated ;-/
3211 if (op->other_arch)
3212 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
3213
3214 if (object *pl = op->visible_to ())
3215 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
3216}
3217
3218/**
3219 * This handles items of type 'transformer'.
3220 * Basically those items, used with a marked item, transform both items into something
3221 * else.
3222 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3223 * Change information is contained in the 'slaying' field of the marked item.
3224 * The format is as follow: transformer:[number ]yield[;transformer:...].
3225 * This way an item can be transformed in many things, and/or many objects.
3226 * The 'slaying' field for transformer is used as verb for the action.
3227 */
3228static void
3229apply_item_transformer (object *pl, object *transformer)
3230{
3231 object *new_item;
3232 const char *find;
3233 char *separator;
3234 int yield;
3235 char got[MAX_BUF];
3236 int len;
3237
3238 if (!pl || !transformer)
3239 return;
3240
3241 object *marked = pl->mark ();
3242
3243 if (!marked)
3244 {
3245 pl->failmsgf ("Use the %s with what item?", query_name (transformer));
3246 return;
3247 }
3248
3249 if (!marked->slaying)
3250 {
3251 pl->failmsgf ("You can't use the %s with your %s!", query_name (transformer), query_name (marked));
3252 return;
3253 }
3254
3255 /* check whether they are compatible or not */
3256 find = strstr (&marked->slaying, transformer->arch->archname);
3257 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3258 {
3259 pl->failmsgf ("You can't use the %s with your %s!", query_name (transformer), query_name (marked));
3260 return;
3261 }
3262
3263 find += strlen (transformer->arch->archname) + 1;
3264 /* Item can be used, now find how many and what it yields */
3265 if (isdigit (*(find)))
3266 {
3267 yield = atoi (find);
3268 if (yield < 1)
3269 {
3270 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
3271 yield = 1;
3272 }
3273 }
3274 else
3275 yield = 1;
3276
3277 while (isdigit (*find))
3278 find++;
3279
3280 while (*find == ' ')
3281 find++;
3282
3283 memset (got, 0, MAX_BUF);
3284
3285 if ((separator = (char *) strchr (find, ';')))
3286 len = separator - find;
3287 else
3288 len = strlen (find);
3289
3290 min_it (len, MAX_BUF - 1);
3291
3292 strcpy (got, find);
3293 got[len] = '\0';
3294
3295 /* Now create new item, remove used ones when required. */
3296 new_item = archetype::get (got);
3297 if (!new_item)
3298 {
3299 pl->failmsgf ("This %s is strange, better to not use it.", query_base_name (marked, 0));
3300 return;
3301 }
3302
3303 new_item->nrof = yield;
3304
3305 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
3306
3307 pl->insert (new_item);
3308 /* Eat up one item */
3309 marked->decrease ();
3310
3311 /* Eat one transformer if needed */
3312 if (transformer->stats.food)
3313 if (--transformer->stats.food == 0)
3314 transformer->decrease ();
3315}
3316
3317/**
3318 * Main apply handler.
3319 *
3320 * Checks for unpaid items before applying.
3321 *
3322 * Return value is currently not used
3323 *
3324 * who is the object that is causing object to be applied, op is the object
3325 * being applied.
3326 *
3327 * aflag is special (always apply/unapply) flags. Nothing is done with
3328 * them in this function - they are passed to apply_special
3329 */
3330static bool
3331manual_apply (object *who, object *op, int aflag)
3332{
3333 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
3334 return RESULT_INT (0);
3335 else if (apply_types_inv_only [op->type])
3336 {
3337 // special item, using slot system, needs to be in inv
3338 if (op->env == who)
3547 return apply_special (who, op, aflags); 3339 return apply_special (who, op, aflag);
3340
3341 who->failmsgf ("You must get it first! H<You can only apply the %s if it is in your inventory.>\n", query_name (op));
3342 }
3343 else if (!who->contr && apply_types_player_only [op->type])
3344 return 0; // monsters shouldn't try to apply player-only stuff
3345 else if (apply_types [op->type])
3346 {
3347 // ordinary stuff, may be on the floor
3348 switch (op->type)
3349 {
3350 case T_HANDLE:
3351 who->play_sound (sound_find ("turn_handle"));
3352 who->statusmsg ("You turn the handle.");
3353 op->value = op->value ? 0 : 1;
3354 SET_ANIMATION (op, op->value);
3355 update_object (op, UP_OBJ_FACE);
3356 push_button (op, who);
3357 break;
3358
3359 case TRIGGER:
3360 if (check_trigger (op, who, who))
3361 {
3362 who->statusmsg ("You turn the handle.");
3363 who->play_sound (sound_find ("turn_handle"));
3364 }
3365 else
3366 who->failmsg ("The handle doesn't move.");
3367
3368 break;
3369
3370 case EXIT:
3371 if (!EXIT_PATH (op))
3372 who->failmsgf ("The %s is closed. H<This exit doesn't lead anywhere at the moment, and this is unlikely to change.>", query_name (op));
3373 else
3374 {
3375 /* Don't display messages for random maps. */
3376 if (op->msg && EXIT_PATH (op) != shstr_random_map_exit)
3377 who->statusmsg (op->msg, NDI_NAVY);
3378
3379 who->enter_exit (op);
3380 }
3381
3382 break;
3383
3384 case INSCRIBABLE:
3385 who->statusmsg (op->msg);
3386 // maybe show a spell menu to chose from or something like that
3387 break;
3388
3389 case SIGN:
3390 apply_sign (who, op, 0);
3391 break;
3392
3393 case BOOK:
3394 apply_book (who, op);
3395 break;
3396
3397 case SKILLSCROLL:
3398 apply_skillscroll (who, op);
3399 break;
3400
3401 case SPELLBOOK:
3402 apply_spellbook (who, op);
3403 break;
3404
3405 case SCROLL:
3406 apply_scroll (who, op, 0);
3407 break;
3408
3409 case POTION:
3410 apply_potion (who, op);
3411 break;
3412
3413 /* Eneq(@csd.uu.se): Handle apply on containers. */
3414 //TODO: remove, as it is unsed?
3415 case CLOSE_CON:
3416 apply_container (who, op->env);
3417 break;
3418
3419 case CONTAINER:
3420 apply_container (who, op);
3421 break;
3422
3423 case TREASURE:
3424 apply_treasure (who, op);
3425 break;
3426
3427 case LAMP:
3428 case TORCH:
3429 player_apply_lamp (who, op);
3430 break;
3431
3432 case DRINK:
3433 case FOOD:
3434 case FLESH:
3435 apply_food (who, op);
3436 break;
3437
3438 case POISON:
3439 apply_poison (who, op);
3440 break;
3441
3442 case SAVEBED:
3443 break;
3444
3445 case ARMOUR_IMPROVER:
3446 apply_armour_improver (who, op);
3447 break;
3448
3449 case WEAPON_IMPROVER:
3450 check_improve_weapon (who, op);
3451 break;
3452
3453 case CLOCK:
3454 {
3455 timeofday_t tod;
3456
3457 get_tod (&tod);
3458 who->play_sound (sound_find ("sound_clock"));
3459 who->statusmsg (format (
3460 "It is %d minute%s past %d o'clock %s",
3461 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
3462 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
3463 ));
3464 }
3465 break;
3466
3467 case MENU:
3468 shop_listing (op, who);
3469 break;
3470
3471 case POWER_CRYSTAL:
3472 apply_power_crystal (who, op); /* see egoitem.c */
3473 break;
3474
3475 case LIGHTER: /* for lighting torches/lanterns/etc */
3476 apply_lighter (who, op);
3477 break;
3478
3479 case ITEM_TRANSFORMER:
3480 apply_item_transformer (who, op);
3481 break;
3482 }
3483
3484 return 1;
3485 }
3486 else
3487 {
3488 who->statusmsg (format ("I don't know how to apply the %s. H<This object cannot be applied.>", query_name (op)));
3489 return 0;
3490 }
3491}
3492
3493/**
3494 * player_apply_below attempts to apply the object 'below' the player.
3495 * If the player has an open container, we use that for below, otherwise
3496 * we use the ground.
3497 */
3498void
3499player_apply_below (object *pl)
3500{
3501 object *top = pl->container_ () ? pl->container_ ()->inv : pl->below;
3502
3503 /* If using a container, set the starting item to be the top
3504 * item in the container. Otherwise, use the map.
3505 */
3506
3507 // first try to apply "applyables"
3508 for (object *tmp = top; tmp; tmp = tmp->below)
3509 if (!tmp->invisible && apply_types [tmp->type])
3510 {
3511 // If it is visible, player can apply it.
3512 pl->apply (tmp);
3513 return;
3514 }
3515
3516 while (top && top->invisible)
3517 top = top->below;
3518
3519 if (!top || top->flag [FLAG_IS_FLOOR])
3520 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3521 "H<There is nothing here that you can apply.>");
3522 else
3523 // next, try to explain the topmost object
3524 switch (top->type)
3525 {
3526 // TODO: all this should move to examine
3527 case ALTAR:
3528 case IDENTIFY_ALTAR:
3529 case TRIGGER_ALTAR:
3530 case CONVERTER:
3531 //case TRIGGER_PEDESTAL:
3532 pl->failmsgf (
3533 "You see no obvious mechanism on the %s."
3534 "H<You have to drop one or more specific items here.>",
3535 query_short_name (top)
3536 );
3537 break;
3538
3539 case BUTTON:
3540 case TRIGGER_BUTTON:
3541 pl->failmsgf (
3542 "The %s looks as if you could activate it with somehting heavy. "
3543 "H<You must put enough items here to activate it.>",
3544 query_short_name (top)
3545 );
3546 break;
3547
3548 default:
3549 examine (pl, top);
3550 break;
3551 }
3552}
3553
3554// saner interface, returns successful status
3555bool
3556object::apply (object *ob, int aflags)
3557{
3558 if (!ob) // simplifies a lot of callers
3559 return true;
3560
3561 ob = ob->head_ ();
3562
3563 if (ob->flag [FLAG_UNPAID] && !ob->flag [FLAG_APPLIED])
3564 {
3565 if (contr)
3566 {
3567 examine (this, ob);
3568 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
3569 return 1;
3570 }
3571 else
3572 return 0; /* monsters just skip unpaid items */
3573 }
3574
3575 if (contr)
3576 {
3577 if (!ob->env && (move_type & MOVE_FLYING))
3578 {
3579 /* player is flying and applying object not in inventory */
3580 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3581 {
3582 failmsg ("But you are floating high above the ground! "
3583 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3584 "or waiting till the levitation effect wears off.>");
3585 return 0;
3586 }
3587 }
3588
3589 contr->last_used = ob;
3590 }
3591
3592 bool want_apply =
3593 aflags & AP_APPLY ? true
3594 : aflags & AP_UNAPPLY ? false
3595 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3596
3597 // cannot unapply cursed items
3598 if (!want_apply
3599 && (ob->flag [FLAG_CURSED] || ob->flag [FLAG_DAMNED])
3600 && ob->flag [FLAG_APPLIED]
3601 && !(aflags & AP_IGNORE_CURSE))
3602 {
3603 failmsgf ("No matter how hard you try, you just can't remove %s." CANNOT_REMOVE_CURSED, ob->query_name ());
3604 return 0;
3605 }
3606
3607 object_ptr *slot = 0;
3608
3609 // detect the slot, if this is a player
3610 if (contr && !(aflags & AP_NO_SLOT))
3611 {
3612 object *oslot;
3613
3614 switch (ob->type)
3615 {
3616 case WEAPON:
3617 slot = &contr->combat_ob;
3618 oslot = contr->ranged_ob;
3619 break;
3620
3621 case RANGED:
3622 case BOW:
3623 case SPELL:
3624 case WAND:
3625 case ROD:
3626 case HORN:
3627 case BUILDER:
3628 slot = &contr->ranged_ob;
3629 oslot = contr->combat_ob;
3630 break;
3631
3632 // oh, the humanity
3633 case SKILL:
3634 // skill is used on it's own, as opposed to being a chosen_skill
3635
3636 if (skill_flags [ob->subtype] & (SF_NEED_ITEM | SF_MANA))
3637 {
3638 failmsgf (
3639 "You feel as if you wanted to do something funny, but you can't remember what. "
3640 "H<The %s skill needs something else to function, for example a tool, weapon, rod, or spell. "
3641 "It cannot be used on its own.>",
3642 &ob->skill
3643 );
3644 return 1;
3645 }
3646
3647 if (skill_flags [ob->subtype] & SF_AUTARK
3648 || !(skill_flags [ob->subtype] & (SF_COMBAT | SF_RANGED)))
3649 {
3650 if (skill_flags [ob->subtype] & SF_USE)
3651 failmsgf (
3652 "You feel as if you wanted to do something funny, but you can't remember what. "
3653 "H<The %s skill cannot be readied, instead, try C<use_skill %s>.>",
3654 &ob->skill, &ob->skill
3655 );
3656 else
3657 failmsgf (
3658 "You feel as if you wanted to do something funny, but you can't remember what. "
3659 "H<The %s skill cannot be readied or used, it is always active.>",
3660 &ob->skill
3661 );
3662
3663 return 1;
3664 }
3665
3666 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3667 break;
3668
3669 if (skill_flags [ob->subtype] & SF_COMBAT)
3670 {
3671 slot = &contr->combat_ob;
3672 oslot = contr->ranged_ob;
3673 }
3674 else if (skill_flags [ob->subtype] & SF_RANGED)
3675 {
3676 slot = &contr->ranged_ob;
3677 oslot = contr->combat_ob;
3678 }
3679
3680 break;
3681 }
3682
3683 // now handle slot exclusions
3684 if (slot)
3685 {
3686 // only one slot can be active
3687 if (want_apply)
3688 {
3689 // clear slot unless we are in it already
3690 if (*slot != ob)
3691 if (!apply (*slot, AP_UNAPPLY))
3692 return false;
3693
3694 // unapply other slot, because we want to become active
3695 if (!apply (oslot, AP_UNAPPLY))
3696 return false;
3697 }
3698
3699 // clear item from slot if applied
3700 if (!want_apply && current_weapon == ob)
3701 current_weapon = 0;
3702 }
3703 }
3704
3705 if (ob->flag [FLAG_APPLIED] != want_apply)
3706 manual_apply (this, ob, aflags);
3707
3708 if (ob->flag [FLAG_APPLIED] != want_apply)
3709 return false;
3710
3711 if (slot && want_apply)
3712 current_weapon = *slot = ob;
3713
3714 return true;
3548} 3715}
3549 3716
3550/** 3717/**
3551 * Map was just loaded, handle op's initialisation. 3718 * Map was just loaded, handle op's initialisation.
3552 * 3719 *
3553 * Generates shop floor's item, and treasures. 3720 * Generates shop floor's item, and treasures.
3554 */ 3721 */
3555int 3722int
3556auto_apply (object *op) 3723auto_apply (object *op)
3557{ 3724{
3558 object *tmp = NULL, *tmp2; 3725 object *tmp = NULL;
3559 int i; 3726 int i;
3727
3728 op->clr_flag (FLAG_AUTO_APPLY);
3560 3729
3561 switch (op->type) 3730 switch (op->type)
3562 { 3731 {
3563 case SHOP_FLOOR: 3732 case SHOP_FLOOR:
3564 if (!op->has_random_items ()) 3733 if (!op->has_random_items ())
… …
3566 3735
3567 do 3736 do
3568 { 3737 {
3569 i = 10; /* let's give it 10 tries */ 3738 i = 10; /* let's give it 10 tries */
3570 while ((tmp = generate_treasure (op->randomitems, 3739 while ((tmp = generate_treasure (op->randomitems,
3571 op->stats.exp ? (int) op->stats.exp : MAX (op->map->difficulty, 5))) == NULL && --i); 3740 op->stats.exp
3741 ? (int) op->stats.exp
3742 : max (op->map->difficulty, 5)))
3743 == NULL && --i);
3744
3572 if (tmp == NULL) 3745 if (tmp == NULL)
3573 return 0; 3746 return 0;
3574 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)) 3747
3748 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
3575 { 3749 {
3576 tmp->destroy (); 3750 tmp->destroy ();
3577 tmp = NULL; 3751 tmp = NULL;
3578 } 3752 }
3579 } 3753 }
3580 while (!tmp); 3754 while (!tmp);
3581 3755
3582 tmp->x = op->x; 3756 tmp->x = op->x;
3583 tmp->y = op->y; 3757 tmp->y = op->y;
3584 SET_FLAG (tmp, FLAG_UNPAID); 3758 tmp->set_flag (FLAG_UNPAID);
3585 insert_ob_in_map (tmp, op->map, NULL, 0); 3759 insert_ob_in_map (tmp, op->map, NULL, 0);
3586 CLEAR_FLAG (op, FLAG_AUTO_APPLY);
3587 identify (tmp); 3760 identify (tmp);
3588 break; 3761 break;
3589 3762
3590 case TREASURE: 3763 case TREASURE:
3591 if (QUERY_FLAG (op, FLAG_IS_A_TEMPLATE)) 3764 if (op->flag [FLAG_IS_A_TEMPLATE])
3592 return 0; 3765 return 0;
3593 3766
3594 while (op->stats.hp-- > 0) 3767 while (op->stats.hp-- > 0)
3595 create_treasure (op->randomitems, op, op->map ? GT_ENVIRONMENT : 0, 3768 create_treasure (op->randomitems, op, op->map ? GT_ENVIRONMENT : 0,
3596 op->stats.exp ? (int) op->stats.exp : op->map == NULL ? 14 : op->map->difficulty, 0); 3769 op->stats.exp ? (int) op->stats.exp : op->map == NULL ? 14 : op->map->difficulty, 0);
… …
3598 /* If we generated an object and put it in this object inventory, 3771 /* If we generated an object and put it in this object inventory,
3599 * move it to the parent object as the current object is about 3772 * move it to the parent object as the current object is about
3600 * to disappear. An example of this item is the random_* stuff 3773 * to disappear. An example of this item is the random_* stuff
3601 * that is put inside other objects. 3774 * that is put inside other objects.
3602 */ 3775 */
3603 for (tmp = op->inv; tmp; tmp = tmp2)
3604 {
3605 tmp2 = tmp->below;
3606 tmp->remove ();
3607
3608 if (op->env) 3776 if (op->env)
3609 insert_ob_in_ob (tmp, op->env); 3777 while (op->inv)
3610 else 3778 op->env->insert (op->inv);
3611 tmp->destroy ();
3612 }
3613 3779
3614 op->destroy (); 3780 op->destroy ();
3615 break; 3781 break;
3616 } 3782 }
3617 return tmp ? 1 : 0; 3783
3784 return !!tmp;
3618} 3785}
3619 3786
3620/** 3787/**
3621 * fix_auto_apply goes through the entire map every time a map 3788 * fix_auto_apply goes through the entire map every time a map
3622 * is loaded or swapped in and performs special actions for 3789 * is loaded or swapped in and performs special actions for
… …
3636 3803
3637 if (tmp->inv) 3804 if (tmp->inv)
3638 { 3805 {
3639 object *invtmp, *invnext; 3806 object *invtmp, *invnext;
3640 3807
3641 for (invtmp = tmp->inv; invtmp != NULL; invtmp = invnext) 3808 for (invtmp = tmp->inv; invtmp; invtmp = invnext)
3642 { 3809 {
3643 invnext = invtmp->below; 3810 invnext = invtmp->below;
3644 3811
3645 if (QUERY_FLAG (invtmp, FLAG_AUTO_APPLY)) 3812 if (invtmp->flag [FLAG_AUTO_APPLY])
3646 auto_apply (invtmp); 3813 auto_apply (invtmp);
3647 else if (invtmp->type == TREASURE && invtmp->has_random_items ()) 3814 else if (invtmp->type == TREASURE && invtmp->has_random_items ())
3648 { 3815 {
3649 while ((invtmp->stats.hp--) > 0) 3816 while (invtmp->stats.hp-- > 0)
3650 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0); 3817 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
3651 3818
3652 invtmp->randomitems = NULL; 3819 invtmp->randomitems = NULL;
3653 } 3820 }
3654 else if (invtmp && invtmp->arch 3821 else if (invtmp->arch
3655 && invtmp->type != TREASURE && invtmp->type != SPELL && invtmp->type != CLASS && invtmp->has_random_items ()) 3822 && invtmp->type != TREASURE && invtmp->type != SPELL && invtmp->type != CLASS
3823 && invtmp->has_random_items ())
3656 { 3824 {
3657 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0); 3825 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
3658 /* Need to clear this so that we never try to create 3826 /* Need to clear this so that we never try to create
3659 * treasure again for this object 3827 * treasure again for this object
3660 */ 3828 */
3661 invtmp->randomitems = NULL; 3829 invtmp->randomitems = NULL;
3662 } 3830 }
3663 } 3831 }
3832
3664 /* This is really temporary - the code at the bottom will 3833 /* This is really temporary - the code at the bottom will
3665 * also set randomitems to null. The problem is there are bunches 3834 * also set randomitems to null. The problem is there are bunches
3666 * of maps/players already out there with items that have spells 3835 * of maps/players already out there with items that have spells
3667 * which haven't had the randomitems set to null yet. 3836 * which haven't had the randomitems set to null yet.
3668 * MSW 2004-05-13 3837 * MSW 2004-05-13
… …
3672 * Ryo 2004-08-16 3841 * Ryo 2004-08-16
3673 */ 3842 */
3674 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3843 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3675 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK) 3844 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3676 tmp->randomitems = NULL; 3845 tmp->randomitems = NULL;
3677
3678 } 3846 }
3679 3847
3680 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3848 if (tmp->flag [FLAG_AUTO_APPLY])
3681 auto_apply (tmp); 3849 auto_apply (tmp);
3682 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3850 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
3683 { 3851 {
3684 while ((tmp->stats.hp--) > 0) 3852 while ((tmp->stats.hp--) > 0)
3685 create_treasure (tmp->randomitems, tmp, 0, difficulty, 0); 3853 create_treasure (tmp->randomitems, tmp, 0, difficulty, 0);
… …
3687 } 3855 }
3688 else if (tmp->type == TIMED_GATE) 3856 else if (tmp->type == TIMED_GATE)
3689 { 3857 {
3690 object *head = tmp->head != NULL ? tmp->head : tmp; 3858 object *head = tmp->head != NULL ? tmp->head : tmp;
3691 3859
3692 if (QUERY_FLAG (head, FLAG_IS_LINKED)) 3860 if (head->flag [FLAG_IS_LINKED])
3693 tmp->set_speed (0); 3861 tmp->set_speed (0);
3694 } 3862 }
3695 /* This function can be called everytime a map is loaded, even when 3863 /* This function can be called everytime a map is loaded, even when
3696 * swapping back in. As such, we don't want to create the treasure 3864 * swapping back in. As such, we don't want to create the treasure
3697 * over and ove again, so after we generate the treasure, blank out 3865 * over and ove again, so after we generate the treasure, blank out
… …
3715 } 3883 }
3716 3884
3717 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 3885 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3718 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 3886 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3719 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 3887 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3720 check_trigger (tmp, tmp->above); 3888 check_trigger (tmp, tmp->above, tmp->above);
3721} 3889}
3722 3890
3723/** 3891/**
3724 * Handles player eating food that temporarily changes status (resistances, stats). 3892 * Handles player eating food that temporarily changes status (resistances, stats).
3725 * This used to call cast_change_attr(), but 3893 * This used to call cast_change_attr(), but
… …
3730eat_special_food (object *who, object *food) 3898eat_special_food (object *who, object *food)
3731{ 3899{
3732 object *force; 3900 object *force;
3733 int i, did_one = 0; 3901 int i, did_one = 0;
3734 3902
3735 force = get_archetype (FORCE_NAME); 3903 char buf[64];
3904 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3905 shstr key (buf);
3736 3906
3737 for (i = 0; i < NUM_STATS; i++)
3738 if (sint8 k = food->stats.stat (i))
3739 {
3740 force->stats.stat (i) = k;
3741 did_one = 1;
3742 }
3743
3744 /* check if we can protect the eater */
3745 for (i = 0; i < NROFATTACKS; i++)
3746 {
3747 if (food->resist[i] > 0)
3748 {
3749 force->resist[i] = food->resist[i] / 2;
3750 did_one = 1;
3751 }
3752 }
3753
3754 if (did_one)
3755 {
3756 force->set_speed (0.1);
3757 /* bigger morsel of food = longer effect time */ 3907 /* bigger morsel of food = longer effect time */
3758 force->duration = food->stats.food / 5; 3908 int duration = TIME2TICK (food->stats.food);
3759 SET_FLAG (force, FLAG_APPLIED); 3909
3760 change_abil (who, force); 3910 if (force = who->force_find (key))
3761 insert_ob_in_ob (force, who); 3911 {
3912 if (duration > fabs (force->speed_left / force->speed))
3913 {
3914 new_draw_info_format (NDI_UNIQUE, 0, who, "More magical force spreads through you. H<The effect will last for about %.10g more seconds.>", TICK2TIME (duration));
3915 force->force_set_timer (duration);
3916 }
3917 else
3918 new_draw_info (NDI_UNIQUE, 0, who, "It had no additional effect.");
3919
3920 return;
3762 } 3921 }
3763 else 3922 else
3923 {
3924 force = who->force_add (key, duration);
3925 force->name = key;
3926
3927 /* check if the food affects a stat */
3928 for (i = 0; i < NUM_STATS; i++)
3929 if (sint8 k = food->stats.stat (i))
3930 {
3931 force->stats.stat (i) = k;
3932 did_one = 1;
3933 }
3934
3935 /* check if we can protect the eater */
3936 for (i = 0; i < NROFATTACKS; i++)
3937 {
3938 if (food->resist[i] > 0)
3939 {
3940 force->resist[i] = food->resist[i];
3941 did_one = 1;
3942 }
3943 }
3944
3945 if (did_one)
3946 {
3947 new_draw_info_format (NDI_UNIQUE, 0, who, "You are suffused with magical force. H<The effect will last for about %.10g seconds.>", TICK2TIME (duration));
3948
3949 /* make the force take effect and report effects to user */
3950 change_abil (who, force);
3951 }
3952 else
3764 force->destroy (); 3953 force->destroy ();
3954 }
3765 3955
3766 /* check for hp, sp change */ 3956 /* check for hp, sp change */
3767 if (food->stats.hp != 0) 3957 if (food->stats.hp != 0)
3768 { 3958 {
3769 if (QUERY_FLAG (food, FLAG_CURSED)) 3959 if (food->flag [FLAG_CURSED])
3770 { 3960 {
3771 assign (who->contr->killer, food->name); 3961 who->contr->killer = food;
3772 hit_player (who, food->stats.hp, food, AT_POISON, 1); 3962 hit_player (who, food->stats.hp, food, AT_POISON, 1);
3773 who->failmsg ("Eck!...that was poisonous!"); 3963 who->failmsg ("Eck!...that was poisonous!");
3774 } 3964 }
3775 else 3965 else
3776 { 3966 {
… …
3780 who->failmsg ("Eck!...that was poisonous!"); 3970 who->failmsg ("Eck!...that was poisonous!");
3781 3971
3782 who->stats.hp += food->stats.hp; 3972 who->stats.hp += food->stats.hp;
3783 } 3973 }
3784 } 3974 }
3975
3785 if (food->stats.sp != 0) 3976 if (food->stats.sp != 0)
3786 { 3977 {
3787 if (QUERY_FLAG (food, FLAG_CURSED)) 3978 if (food->flag [FLAG_CURSED])
3788 { 3979 {
3789 who->failmsg ("You are drained of mana!"); 3980 who->failmsg ("You are drained of mana!");
3790 who->stats.sp -= food->stats.sp; 3981 who->stats.sp -= food->stats.sp;
3791 if (who->stats.sp < 0) 3982 if (who->stats.sp < 0)
3792 who->stats.sp = 0; 3983 who->stats.sp = 0;
… …
3798 /* place limit on max sp from food? */ 3989 /* place limit on max sp from food? */
3799 } 3990 }
3800 } 3991 }
3801 3992
3802 who->update_stats (); 3993 who->update_stats ();
3803}
3804
3805/**
3806 * Designed primarily to light torches/lanterns/etc.
3807 * Also burns up burnable material too. First object in the inventory is
3808 * the selected object to "burn". -b.t.
3809 */
3810void
3811apply_lighter (object *who, object *lighter)
3812{
3813 object *item;
3814 int is_player_env = 0;
3815
3816 item = find_marked_object (who);
3817 if (item)
3818 {
3819 if (lighter->last_eat && lighter->stats.food)
3820 { /* lighter gets used up */
3821 /* Split multiple lighters if they're being used up. Otherwise *
3822 * one charge from each would be used up. --DAMN */
3823 if (lighter->nrof > 1)
3824 {
3825 object *oneLighter = lighter->clone ();
3826
3827 lighter->nrof -= 1;
3828 oneLighter->nrof = 1;
3829 oneLighter->stats.food--;
3830 esrv_send_item (who, lighter);
3831 oneLighter = insert_ob_in_ob (oneLighter, who);
3832 esrv_send_item (who, oneLighter);
3833 }
3834 else
3835 lighter->stats.food--;
3836 }
3837 else if (lighter->last_eat)
3838 {
3839 /* no charges left in lighter */
3840 who->failmsg (format ("You attempt to light the %s with a used up %s.", &item->name, &lighter->name));
3841 return;
3842 }
3843
3844 /* Perhaps we should split what we are trying to light on fire?
3845 * I can't see many times when you would want to light multiple
3846 * objects at once.
3847 */
3848
3849 if (who == item->in_player ())
3850 is_player_env = 1;
3851
3852 save_throw_object (item, AT_FIRE, who);
3853
3854 if (item->destroyed ())
3855 {
3856 who->statusmsg (format ("You light the %s with the %s.", &item->name, &lighter->name));
3857 /* Need to update the player so that the players glow radius
3858 * gets changed.
3859 */
3860 if (is_player_env)
3861 who->update_stats ();
3862 }
3863 else
3864 who->failmsg (format ("You attempt to light the %s with the %s and fail.", &item->name, &lighter->name));
3865 }
3866 else
3867 who->failmsg ("You need to mark a lightable object.");
3868}
3869
3870/**
3871 * op made some mistake with a scroll, this takes care of punishment.
3872 * scroll_failure()- hacked directly from spell_failure
3873 */
3874void
3875scroll_failure (object *op, int failure, int power)
3876{
3877 if (abs (failure / 4) > power)
3878 power = abs (failure / 4); /* set minimum effect */
3879
3880 if (failure <= -1 && failure > -15)
3881 { /* wonder */
3882 object *tmp;
3883
3884 op->failmsg ("Your spell warps!");
3885 tmp = get_archetype (SPELL_WONDER);
3886 cast_wonder (op, op, 0, tmp);
3887 tmp->destroy ();
3888 }
3889 else if (failure <= -15 && failure > -35)
3890 { /* drain mana */
3891 op->failmsg ("Your mana is drained!");
3892 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
3893 if (op->stats.sp < 0)
3894 op->stats.sp = 0;
3895 }
3896 else if (settings.spell_failure_effects == TRUE)
3897 {
3898 if (failure <= -35 && failure > -60)
3899 { /* confusion */
3900 op->failmsg ("The magic recoils on you!");
3901 confuse_player (op, op, power);
3902 }
3903 else if (failure <= -60 && failure > -70)
3904 { /* paralysis */
3905 op->failmsg ("The magic recoils and paralyzes you!");
3906 paralyze_player (op, op, power);
3907 }
3908 else if (failure <= -70 && failure > -80)
3909 { /* blind */
3910 op->failmsg ("The magic recoils on you!");
3911 blind_player (op, op, power);
3912 }
3913 else if (failure <= -80)
3914 { /* blast the immediate area */
3915 object *tmp = get_archetype (LOOSE_MANA);
3916 cast_magic_storm (op, tmp, power);
3917 op->failmsg ("You unleash uncontrolled mana!");
3918 tmp->destroy ();
3919 }
3920 }
3921} 3994}
3922 3995
3923void 3996void
3924apply_changes_to_player (object *pl, object *change) 3997apply_changes_to_player (object *pl, object *change)
3925{ 3998{
… …
3973 } 4046 }
3974 4047
3975 /* insert the randomitems from the change's treasurelist into 4048 /* insert the randomitems from the change's treasurelist into
3976 * the player ref: player.c 4049 * the player ref: player.c
3977 */ 4050 */
3978 if (change->randomitems != NULL) 4051 if (change->randomitems)
3979 give_initial_items (pl, change->randomitems); 4052 give_initial_items (pl, change->randomitems);
3980 4053
3981 /* set up the face, for some races. */ 4054 /* set up the face, for some races. */
3982 4055
3983 /* first, look for the force object banning 4056 /* first, look for the force object banning
3984 * changing the face. Certain races never change face with class. 4057 * changing the face. Certain races never change face with class.
3985 */ 4058 */
3986 for (walk = pl->inv; walk != NULL; walk = walk->below) 4059 for (walk = pl->inv; walk; walk = walk->below)
3987 if (!strcmp (walk->name, "NOCLASSFACECHANGE")) 4060 if (walk->name == shstr_NOCLASSFACECHANGE)
3988 flag_change_face = 0; 4061 flag_change_face = 0;
3989 4062
3990 if (flag_change_face) 4063 if (flag_change_face)
3991 { 4064 {
3992 pl->animation_id = GET_ANIM_ID (change);
3993 pl->face = change->face; 4065 pl->face = change->face;
3994 4066 pl->animation_id = change->animation_id;
3995 if (QUERY_FLAG (change, FLAG_ANIMATE)) 4067 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE];
3996 SET_FLAG (pl, FLAG_ANIMATE);
3997 else
3998 CLEAR_FLAG (pl, FLAG_ANIMATE);
3999 } 4068 }
4000 4069
4001 /* check the special case of can't use weapons */ 4070 /* check the special case of can't use weapons */
4002 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */ 4071 /*if(change->flag [FLAG_USE_WEAPON]) pl->clr_flag (FLAG_USE_WEAPON); */
4003 if (!strcmp (change->name, "monk")) 4072 if (change->name == shstr_monk)
4004 CLEAR_FLAG (pl, FLAG_USE_WEAPON); 4073 pl->clr_flag (FLAG_USE_WEAPON);
4005 4074
4006 break; 4075 break;
4007 } 4076 }
4008 } 4077 }
4009} 4078}
4010 4079
4011/**
4012 * This handles items of type 'transformer'.
4013 * Basically those items, used with a marked item, transform both items into something
4014 * else.
4015 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
4016 * Change information is contained in the 'slaying' field of the marked item.
4017 * The format is as follow: transformer:[number ]yield[;transformer:...].
4018 * This way an item can be transformed in many things, and/or many objects.
4019 * The 'slaying' field for transformer is used as verb for the action.
4020 */
4021void
4022apply_item_transformer (object *pl, object *transformer)
4023{
4024 object *marked;
4025 object *new_item;
4026 char *find;
4027 char *separator;
4028 int yield;
4029 char got[MAX_BUF];
4030 int len;
4031
4032 if (!pl || !transformer)
4033 return;
4034
4035 marked = find_marked_object (pl);
4036
4037 if (!marked)
4038 {
4039 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
4040 return;
4041 }
4042
4043 if (!marked->slaying)
4044 {
4045 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4046 return;
4047 }
4048
4049 /* check whether they are compatible or not */
4050 find = strstr (marked->slaying, transformer->arch->archname);
4051 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
4052 {
4053 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4054 return;
4055 }
4056
4057 find += strlen (transformer->arch->archname) + 1;
4058 /* Item can be used, now find how many and what it yields */
4059 if (isdigit (*(find)))
4060 {
4061 yield = atoi (find);
4062 if (yield < 1)
4063 {
4064 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
4065 yield = 1;
4066 }
4067 }
4068 else
4069 yield = 1;
4070
4071 while (isdigit (*find))
4072 find++;
4073
4074 while (*find == ' ')
4075 find++;
4076
4077 memset (got, 0, MAX_BUF);
4078
4079 if ((separator = strchr (find, ';')) != NULL)
4080 len = separator - find;
4081 else
4082 len = strlen (find);
4083
4084 if (len > MAX_BUF - 1)
4085 len = MAX_BUF - 1;
4086
4087 strcpy (got, find);
4088 got[len] = '\0';
4089
4090 /* Now create new item, remove used ones when required. */
4091 new_item = get_archetype (got);
4092 if (!new_item)
4093 {
4094 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
4095 return;
4096 }
4097
4098 new_item->nrof = yield;
4099
4100 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
4101
4102 insert_ob_in_ob (new_item, pl);
4103 esrv_send_inventory (pl, pl);
4104 /* Eat up one item */
4105 decrease_ob_nr (marked, 1);
4106
4107 /* Eat one transformer if needed */
4108 if (transformer->stats.food)
4109 if (--transformer->stats.food == 0)
4110 decrease_ob_nr (transformer, 1);
4111}
4112

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