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Comparing deliantra/server/server/apply.C (file contents):
Revision 1.2 by elmex, Mon Aug 14 21:45:06 2006 UTC vs.
Revision 1.278 by root, Thu Nov 17 04:49:22 2016 UTC

1/* 1/*
2 * static char *rcsid_apply_c = 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * "$Id: apply.C,v 1.2 2006/08/14 21:45:06 elmex Exp $";
4 */ 3 *
5/* 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6 CrossFire, A Multiplayer game for X-windows
7
8 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
9 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
10 7 *
11 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
12 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
13 the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
14 (at your option) any later version. 11 * option) any later version.
15 12 *
16 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,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details. 16 * GNU General Public License for more details.
20 17 *
21 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
22 along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
24 21 *
25 The authors can be reached via e-mail to crossfire-devel@real-time.com 22 * The authors can be reached via e-mail to <support@deliantra.net>
26*/ 23 */
24
25#include <cmath>
27 26
28#include <global.h> 27#include <global.h>
29#include <living.h> 28#include <living.h>
30#include <spells.h> 29#include <spells.h>
31#include <skills.h> 30#include <skills.h>
32#include <tod.h> 31#include <tod.h>
33 32
34#ifndef __CEXTRACT__
35#include <sproto.h> 33#include <sproto.h>
36#endif
37 34
38/* Want this regardless of rplay. */ 35// these must be in the inventory before they can be applied
39#include <sounds.h>
40 36
41/* need math lib for double-precision and pow() in dragon_eat_flesh() */ 37static const struct apply_types_inv_only : typeset
42#include <math.h>
43
44/* Can transport hold object op?
45 * This is a pretty trivial function,
46 * but in the future, possible transport may have more restrictions
47 * or weight reduction like containers
48 */
49int transport_can_hold(const object *transport, const object *op, int nrof)
50{ 38{
51 if ((op->weight *nrof + transport->carrying) > transport->weight_limit) 39 apply_types_inv_only ()
52 return 0;
53 else
54 return 1;
55}
56
57
58/*
59 * Player is trying to use a transport. This returns same values as
60 * manual_apply() does. This function basically checks to see if
61 * the player can use the transport, and if so, sets up the appropriate
62 * pointers.
63 */
64int apply_transport(object *pl, object *transport, int aflag) {
65
66 /* Only players can use transports right now */
67 if (pl->type != PLAYER) return 0;
68
69 /* If player is currently on a transport but not this transport, they need
70 * to exit first. Perhaps transport to transport transfers should be
71 * allowed.
72 */
73 if (pl->contr->transport && pl->contr->transport != transport) {
74 new_draw_info_format(NDI_UNIQUE, 0, pl,
75 "You must exit %s before you can board %s.",
76 query_name(pl->contr->transport),
77 query_name(transport));
78 return 1;
79 }
80
81 /* player is currently on a transport. This must mean he
82 * wants to exit.
83 */
84 if (pl->contr->transport) {
85 object *old_transport = pl->contr->transport, *inv;
86
87 /* Should we print a message if the player only wants to
88 * apply?
89 */
90 if (aflag & AP_APPLY) return 1;
91 new_draw_info_format(NDI_UNIQUE, 0, pl,
92 "You disembark from %s.",
93 query_name(old_transport));
94 remove_ob(pl);
95 pl->map = old_transport->map;
96 pl->x = old_transport->x;
97 pl->y = old_transport->y;
98 if (pl->contr == old_transport->contr)
99 old_transport->contr = NULL;
100
101 pl->contr->transport = NULL;
102 insert_ob_in_map(pl, pl->map, pl, 0);
103 sum_weight(old_transport);
104
105 /* Possible for more than one player to be using a transport.
106 * if that is the case, we don't want to reset the face, as the
107 * transport is still occupied.
108 */
109 for (inv=old_transport->inv; inv; inv=inv->below)
110 if (inv->type == PLAYER) break;
111 if (!inv) {
112 old_transport->face = old_transport->arch->clone.face;
113 old_transport->animation_id = old_transport->arch->clone.animation_id;
114 }
115 return 1;
116 }
117 else {
118 /* player is trying to board a transport */
119 int pc=0, p_limit;
120 object *inv;
121 const char *kv;
122
123 if (aflag & AP_UNAPPLY) return 1;
124
125 /* Can this transport hold the weight of this player? */
126 if (!transport_can_hold(transport, pl, 1)) {
127 new_draw_info_format(NDI_UNIQUE, 0, pl,
128 "The %s is unable to hold your weight!",
129 query_name(transport));
130 return 1;
131 }
132
133 /* Does this transport have space for more players? */
134 for (inv=transport->inv; inv; inv=inv->below) {
135 if (inv->type == PLAYER) pc++;
136 }
137 kv = get_ob_key_value(transport, "passenger_limit");
138 if (!kv) p_limit=1;
139 else p_limit = atoi(kv);
140 if (pc >= p_limit) {
141 new_draw_info_format(NDI_UNIQUE, 0, pl,
142 "The %s does not have space for any more people",
143 query_name(transport));
144 return 1;
145 }
146
147 /* Everything checks out OK - player can get on the transport */
148 pl->contr->transport = transport;
149 if (!transport->contr) transport->contr = pl->contr;
150 remove_ob(pl);
151 insert_ob_in_ob(pl, transport);
152 sum_weight(transport);
153 pl->map = transport->map;
154 pl->x = transport->x;
155 pl->y = transport->y;
156
157 /* Might need to update face, animation info */
158 if (!pc) {
159 const char *str;
160
161 str = get_ob_key_value(transport, "face_full");
162 if (str)
163 transport->face = &new_faces[FindFace(str,
164 transport->face->number)];
165 str = get_ob_key_value(transport, "anim_full");
166 if (str)
167 transport->animation_id = find_animation(str);
168 }
169
170 /* Does speed of this object change based on weight? */
171 kv = get_ob_key_value(transport, "weight_speed_ratio");
172 if (kv) {
173 int wsr = atoi(kv);
174 float base_speed;
175
176 kv = get_ob_key_value(transport, "base_speed");
177 if (kv) base_speed = atof(kv);
178 else base_speed = transport->arch->clone.speed;
179
180 transport->speed = base_speed - (base_speed * transport->carrying *
181 wsr) / (transport->weight_limit * 100);
182
183 /* Put some limits on min/max speeds */
184 if (transport->speed < 0.10) transport->speed = 0.10;
185 if (transport->speed > 1.0) transport->speed = 1.0;
186 }
187 } /* else if player is boarding the transport */
188
189 return 1;
190}
191
192
193
194/**
195 * Check if op should abort moving victim because of it's race or slaying.
196 * Returns 1 if it should abort, returns 0 if it should continue.
197 */
198int should_director_abort(object *op, object *victim)
199{
200 int arch_flag, name_flag, race_flag;
201 /* Get flags to determine what of arch, name, and race should be checked.
202 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
203 * the next is the name flag, and the last is the race flag. Also note,
204 * if subtype is set to zero, that also goes to defaults of all affecting
205 * it. Examples:
206 * subtype 1: only arch
207 * subtype 3: arch or name
208 * subtype 5: arch or race
209 * subtype 7: all three
210 */
211 if (op->subtype)
212 { 40 {
213 arch_flag = (op->subtype & 1); 41 set (WEAPON);
214 name_flag = (op->subtype & 2); 42 set (ARMOUR);
215 race_flag = (op->subtype & 4); 43 set (BOOTS);
216 } else { 44 set (GLOVES);
217 arch_flag = 1; 45 set (AMULET);
218 name_flag = 1; 46 set (GIRDLE);
219 race_flag = 1; 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);
220 } 61 }
221 /* If the director has race set, only affect objects with a arch, 62} apply_types_inv_only;
222 * name or race that matches. 63
223 */ 64// these only make sense for the player
224 if ( (op->race) && 65
225 ((!(victim->arch && arch_flag && victim->arch->name) || strcmp(op->race, victim->arch->name))) && 66static const struct apply_types_player_only : typeset
226 ((!(victim->name && name_flag) || strcmp(op->race, victim->name))) && 67{
227 ((!(victim->race && race_flag) || strcmp(op->race, victim->race))) ) { 68 apply_types_player_only ()
228 return 1; 69 {
70 set (TRANSPORT);
71 set (EXIT);
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 */
229 } 85 }
230 /* If the director has slaying set, only affect objects where none 86} apply_types_player_only;
231 * of arch, name, or race match. 87
232 */ 88// applying these _can_ be attempted, others cannot
233 if ( (op->slaying) && ( 89// be applied at all. used by e.g. apply below.
234 ((victim->arch && arch_flag && victim->arch->name && !strcmp(op->slaying, victim->arch->name))) || 90
235 ((victim->name && name_flag && !strcmp(op->slaying, victim->name))) || 91static const struct apply_types : typeset
236 ((victim->race && race_flag && !strcmp(op->slaying, victim->race)))) ) { 92{
237 return 1; 93 apply_types ()
94 : typeset ((typeset)apply_types_player_only | (typeset)apply_types_inv_only)
95 {
96 set (T_HANDLE);
97 set (TRIGGER);
98 set (SCROLL);
99 set (POTION);
100 set (CLOSE_CON);
101 set (CONTAINER);
102 set (LAMP);
103 set (TORCH);
104 set (DRINK);
105 set (FOOD);
106 set (FLESH);
107 set (POISON);
108 set (POWER_CRYSTAL);
109 set (ITEM_TRANSFORMER);
238 } 110 }
239 return 0; 111} apply_types;
240}
241
242/**
243 * This handles a player dropping money on an altar to identify stuff.
244 * It'll identify marked item, if none all items up to dropped money.
245 * Return value: 1 if money was destroyed, 0 if not.
246 */
247static int apply_id_altar (object *money, object *altar, object *pl)
248{
249 object *id, *marked;
250 int success=0;
251
252 if (pl == NULL || pl->type != PLAYER)
253 return 0;
254
255 /* Check for MONEY type is a special hack - it prevents 'nothing needs
256 * identifying' from being printed out more than it needs to be.
257 */
258 if ( ! check_altar_sacrifice (altar, money) || money->type != MONEY)
259 return 0;
260
261 marked = find_marked_object (pl);
262 /* if the player has a marked item, identify that if it needs to be
263 * identified. IF it doesn't, then go through the player inventory.
264 */
265 if (marked && ! QUERY_FLAG (marked, FLAG_IDENTIFIED)
266 && need_identify (marked))
267 {
268 if (operate_altar (altar, &money)) {
269 identify (marked);
270 new_draw_info_format(NDI_UNIQUE, 0, pl,
271 "You have %s.", long_desc(marked, pl));
272 if (marked->msg) {
273 new_draw_info(NDI_UNIQUE, 0,pl, "The item has a story:");
274 new_draw_info(NDI_UNIQUE, 0,pl, marked->msg);
275 }
276 return money == NULL;
277 }
278 }
279
280 for (id=pl->inv; id; id=id->below) {
281 if (!QUERY_FLAG(id, FLAG_IDENTIFIED) && !id->invisible &&
282 need_identify(id)) {
283 if (operate_altar(altar,&money)) {
284 identify(id);
285 new_draw_info_format(NDI_UNIQUE, 0, pl,
286 "You have %s.", long_desc(id, pl));
287 if (id->msg) {
288 new_draw_info(NDI_UNIQUE, 0,pl, "The item has a story:");
289 new_draw_info(NDI_UNIQUE, 0,pl, id->msg);
290 }
291 success=1;
292 /* If no more money, might as well quit now */
293 if (money == NULL || ! check_altar_sacrifice (altar,money))
294 break;
295 }
296 else {
297 LOG(llevError,"check_id_altar: Couldn't do sacrifice when we should have been able to\n");
298 break;
299 }
300 }
301 }
302 if (!success) new_draw_info(NDI_UNIQUE, 0,pl,"You have nothing that needs identifying");
303 return money == NULL;
304}
305
306/**
307 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
308 * matching item.
309 **/
310static void handle_apply_yield(object* tmp)
311{
312 const char* yield;
313
314 yield = get_ob_key_value(tmp,"on_use_yield");
315 if (yield != NULL)
316 {
317 object* drop = get_archetype(yield);
318 if (tmp->env)
319 {
320 drop = insert_ob_in_ob(drop,tmp->env);
321 if (tmp->env->type == PLAYER)
322 esrv_send_item(tmp->env,drop);
323 }
324 else
325 {
326 drop->x = tmp->x;
327 drop->y = tmp->y;
328 insert_ob_in_map(drop,tmp->map,tmp,INS_BELOW_ORIGINATOR);
329 }
330 }
331}
332
333/**
334 * Handles applying a potion.
335 */
336int apply_potion(object *op, object *tmp)
337{
338 int got_one=0,i;
339 object *force;
340
341 if(op->type==PLAYER) {
342 if (!QUERY_FLAG(tmp, FLAG_IDENTIFIED))
343 identify(tmp);
344 }
345
346 handle_apply_yield(tmp);
347
348 /* Potion of restoration - only for players */
349 if (op->type==PLAYER&&(tmp->attacktype & AT_DEPLETE)) {
350 object *depl;
351 archetype *at;
352
353 if (QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)) {
354 drain_stat(op);
355 fix_player(op);
356 decrease_ob(tmp);
357 return 1;
358 }
359 if ((at = find_archetype(ARCH_DEPLETION))==NULL) {
360 LOG(llevError,"Could not find archetype depletion\n");
361 return 0;
362 }
363 depl = present_arch_in_ob(at, op);
364 if (depl!=NULL) {
365 for (i = 0; i < NUM_STATS; i++)
366 if (get_attr_value(&depl->stats, i)) {
367 new_draw_info(NDI_UNIQUE,0,op, restore_msg[i]);
368 }
369 remove_ob(depl);
370 free_object(depl);
371 fix_player(op);
372 }
373 else
374 new_draw_info(NDI_UNIQUE,0,op, "You potion had no effect.");
375
376 decrease_ob(tmp);
377 return 1;
378 }
379
380 /* improvement potion - only for players */
381 if(op->type==PLAYER&&tmp->attacktype&AT_GODPOWER) {
382
383 for(i=1;i<MIN(11,op->level);i++) {
384 if (QUERY_FLAG(tmp,FLAG_CURSED) || QUERY_FLAG(tmp,FLAG_DAMNED)) {
385 if (op->contr->levhp[i]!=1) {
386 op->contr->levhp[i]=1;
387 break;
388 }
389 if (op->contr->levsp[i]!=1) {
390 op->contr->levsp[i]=1;
391 break;
392 }
393 if (op->contr->levgrace[i]!=1) {
394 op->contr->levgrace[i]=1;
395 break;
396 }
397 }
398 else {
399 if(op->contr->levhp[i]<9) {
400 op->contr->levhp[i]=9;
401 break;
402 }
403 if(op->contr->levsp[i]<6) {
404 op->contr->levsp[i]=6;
405 break;
406 }
407 if(op->contr->levgrace[i]<3) {
408 op->contr->levgrace[i]=3;
409 break;
410 }
411 }
412 }
413 /* Just makes checking easier */
414 if (i<MIN(11, op->level)) got_one=1;
415 if (!QUERY_FLAG(tmp,FLAG_CURSED) && !QUERY_FLAG(tmp,FLAG_DAMNED)) {
416 if (got_one) {
417 fix_player(op);
418 new_draw_info(NDI_UNIQUE,0,op,"The Gods smile upon you and remake you");
419 new_draw_info(NDI_UNIQUE,0,op,"a little more in their image.");
420 new_draw_info(NDI_UNIQUE,0,op,"You feel a little more perfect.");
421 }
422 else
423 new_draw_info(NDI_UNIQUE,0,op,"The potion had no effect - you are already perfect");
424 }
425 else { /* cursed potion */
426 if (got_one) {
427 fix_player(op);
428 new_draw_info(NDI_UNIQUE,0,op,"The Gods are angry and punish you.");
429 }
430 else
431 new_draw_info(NDI_UNIQUE,0,op,"You are fortunate that you are so pathetic.");
432 }
433 decrease_ob(tmp);
434 return 1;
435 }
436
437
438 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
439 * and heroism all fit into this category. Given the spell object code,
440 * there is no limit to the number of spells that potions can be cast,
441 * but direction is problematic to try and imbue fireball potions for example.
442 */
443 if (tmp->inv) {
444 if(QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)) {
445 object *fball;
446
447 new_draw_info(NDI_UNIQUE,0,op, "Yech! Your lungs are on fire!");
448 /* Explodes a fireball centered at player */
449 fball = get_archetype(EXPLODING_FIREBALL);
450 fball->dam_modifier=random_roll(1, op->level, op, PREFER_LOW)/5+1;
451 fball->stats.maxhp=random_roll(1, op->level, op, PREFER_LOW)/10+2;
452 fball->x = op->x;
453 fball->y = op->y;
454 insert_ob_in_map(fball, op->map, NULL, 0);
455 } else
456 cast_spell(op,tmp, op->facing, tmp->inv, NULL);
457
458 decrease_ob(tmp);
459 /* if youre dead, no point in doing this... */
460 if(!QUERY_FLAG(op,FLAG_REMOVED)) fix_player(op);
461 return 1;
462 }
463
464 /* Deal with protection potions */
465 force=NULL;
466 for (i=0; i<NROFATTACKS; i++) {
467 if (tmp->resist[i]) {
468 if (!force) force=get_archetype(FORCE_NAME);
469 memcpy(force->resist, tmp->resist, sizeof(tmp->resist));
470 force->type=POTION_EFFECT;
471 break; /* Only need to find one protection since we copy entire batch */
472 }
473 }
474 /* This is a protection potion */
475 if (force) {
476 /* cursed items last longer */
477 if(QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)) {
478 force->stats.food*=10;
479 for (i=0; i<NROFATTACKS; i++)
480 if (force->resist[i] > 0)
481 force->resist[i] = -force->resist[i]; /* prot => vuln */
482 }
483 force->speed_left= -1;
484 force = insert_ob_in_ob(force,op);
485 CLEAR_FLAG(tmp, FLAG_APPLIED);
486 SET_FLAG(force,FLAG_APPLIED);
487 change_abil(op,force);
488 decrease_ob(tmp);
489 return 1;
490 }
491
492 /* Only thing left are the stat potions */
493 if(op->type==PLAYER) { /* only for players */
494 if((QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)) && tmp->value!=0)
495 CLEAR_FLAG(tmp, FLAG_APPLIED);
496 else
497 SET_FLAG(tmp, FLAG_APPLIED);
498 if(!change_abil(op,tmp))
499 new_draw_info(NDI_UNIQUE,0,op,"Nothing happened.");
500 }
501
502 /* CLEAR_FLAG is so that if the character has other potions
503 * that were grouped with the one consumed, his
504 * stat will not be raised by them. fix_player just clears
505 * up all the stats.
506 */
507 CLEAR_FLAG(tmp, FLAG_APPLIED);
508 fix_player(op);
509 decrease_ob(tmp);
510 return 1;
511}
512 112
513/**************************************************************************** 113/****************************************************************************
514 * Weapon improvement code follows 114 * Weapon improvement code follows
515 ****************************************************************************/ 115 ****************************************************************************/
516 116
517/** 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/**
518 * This returns the sum of nrof of item (arch name). 133 * This returns the sum of nrof of item (arch name).
519 */ 134 */
520static int check_item(object *op, const char *item) 135static int
136check_item (object *op, shstr_cmp item)
521{ 137{
522 int count=0; 138 int count = 0;
523 139
140 if (!item)
141 return 0;
524 142
525 if (item==NULL) return 0; 143 for (op = op->below; op; op = op->below)
526 op=op->below; 144 if (op->arch->archname == item)
527 while(op!=NULL) { 145 if (!op->flag [FLAG_CURSED] && !op->flag [FLAG_DAMNED]
528 if (strcmp(op->arch->name,item)==0){
529 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED)
530 /* Loophole bug? -FD- */ && !QUERY_FLAG (op, FLAG_UNPAID) ) 146 && /* Loophole bug? -FD- */ !op->flag [FLAG_UNPAID])
531 { 147 count += op->number_of ();
532 if (op->nrof == 0)/* this is necessary for artifact sacrifices --FD-- */ 148
533 count++;
534 else
535 count += op->nrof;
536 }
537 }
538 op=op->below;
539 }
540 return count; 149 return count;
541} 150}
542 151
543/** 152/**
544 * This removes 'nrof' of what item->slaying says to remove. 153 * This removes 'nrof' of what item->slaying says to remove.
545 * op is typically the player, which is only 154 * op is typically the player, which is only
546 * really used to determine what space to look at. 155 * really used to determine what space to look at.
547 * Modified to only eat 'nrof' of objects. 156 * Modified to only eat 'nrof' of objects.
548 */ 157 */
549static void eat_item(object *op,const char *item, uint32 nrof) 158static void
159eat_item (object *op, shstr_cmp item, uint32 nrof)
550{ 160{
551 object *prev; 161 object *prev;
552 162
163 prev = op;
164 op = op->below;
165
166 while (op)
167 {
168 if (op->arch->archname == item)
169 {
170 if (op->nrof >= nrof)
171 {
172 op->decrease (nrof);
173 return;
174 }
175 else
176 {
177 op->decrease (nrof);
178 nrof -= op->nrof;
179 }
180
181 op = prev;
182 }
183
553 prev = op; 184 prev = op;
554 op=op->below; 185 op = op->below;
555
556 while(op!=NULL) {
557 if (strcmp(op->arch->name,item)==0) {
558 if (op->nrof >= nrof) {
559 decrease_ob_nr(op,nrof);
560 return;
561 } else {
562 decrease_ob_nr(op,op->nrof);
563 nrof -= op->nrof;
564 } 186 }
565 op=prev;
566 }
567 prev = op;
568 op=op->below;
569 }
570}
571
572/**
573 * This checks to see of the player (who) is sufficient level to use a weapon
574 * with improvs improvements (typically last_eat). We take an int here
575 * instead of the object so that the improvement code can pass along the
576 * increased value to see if the object is usuable.
577 * we return 1 (true) if the player can use the weapon.
578 */
579static int check_weapon_power(const object *who, int improvs)
580{
581/* Old code is below (commented out). Basically, since weapons are the only
582 * object players really have any control to improve, it's a bit harsh to
583 * require high level in some combat skill, so we just use overall level.
584 */
585#if 1
586 if (((who->level/5)+5) >= improvs) return 1;
587 else return 0;
588
589#else
590 int level=0;
591
592 /* The skill system hands out wc and dam bonuses to fighters
593 * more generously than the old system (see fix_player). Thus
594 * we need to curtail the power of player enchanted weapons.
595 * I changed this to 1 improvement per "fighter" level/5 -b.t.
596 * Note: Nothing should break by allowing this ratio to be different or
597 * using normal level - it is just a matter of play balance.
598 */
599 if(who->type==PLAYER) {
600 object *wc_obj=NULL;
601
602 for(wc_obj=who->inv;wc_obj;wc_obj=wc_obj->below)
603 if (wc_obj->type == SKILL && IS_COMBAT_SKILL(wc_obj->subtype) && wc_obj->level > level)
604 level = wc_obj->level;
605
606 if (!level ) {
607 LOG(llevError,"Error: Player: %s lacks wc experience object\n",who->name);
608 level = who->level;
609 }
610 }
611 else
612 level=who->level;
613
614 return (improvs <= ((level/5)+5));
615#endif
616} 187}
617 188
618/** 189/**
619 * 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.
620 * 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.
621 */ 192 */
193static int
622static int check_sacrifice(object *op, const object *improver) 194check_sacrifice (object *op, const object *improver)
623{ 195{
624 int count=0; 196 int count = 0;
625 197
626 if (improver->slaying!=NULL) { 198 if (improver->slaying)
199 {
627 count = check_item(op,improver->slaying); 200 count = check_item (op, improver->slaying);
628 if (count<1) { 201 if (count < 1)
629 char buf[200]; 202 {
630 sprintf(buf,"The gods want more %ss",improver->slaying); 203 op->failmsgf ("The gods want more %ss", &improver->slaying);
631 new_draw_info(NDI_UNIQUE,0,op,buf);
632 return 0; 204 return 0;
633 } 205 }
634 } 206 }
635 else 207 else
636 count=1; 208 count = 1;
637 209
638 return count; 210 return count;
639} 211}
640 212
641/** 213/**
642 * Actually improves the weapon, and tells user. 214 * Actually improves the weapon, and tells user.
643 */ 215 */
644int improve_weapon_stat(object *op,object *improver,object *weapon, 216static int
645 signed char *stat,int sacrifice_count,const char *statname) 217improve_weapon_stat (object *op, object *improver, object *weapon, sint8 &stat, int sacrifice_count, const char *statname)
646{ 218{
647
648 new_draw_info(NDI_UNIQUE,0,op,"Your sacrifice was accepted.");
649 *stat += sacrifice_count; 219 stat += sacrifice_count;
650 weapon->last_eat++; 220 weapon->last_eat++;
651 new_draw_info_format(NDI_UNIQUE,0,op, 221 improver->decrease ();
652 "Weapon's bonus to %s improved by %d",statname,sacrifice_count);
653 decrease_ob(improver);
654 222
655 /* So it updates the players stats and the window */ 223 /* So it updates the players stats and the window */
656 fix_player(op); 224 op->update_stats ();
225
226 op->statusmsg (format (
227 "Your sacrifice was accepted.\n"
228 "Weapon's bonus to %s improved by %d.",
229 statname, sacrifice_count
230 ));
231
657 return 1; 232 return 1;
658} 233}
659 234
660/* Types of improvements, hidden in the sp field. */ 235/* Types of improvements, hidden in the sp field. */
661#define IMPROVE_PREPARE 1 236#define IMPROVE_PREPARE 1
662#define IMPROVE_DAMAGE 2 237#define IMPROVE_DAMAGE 2
663#define IMPROVE_WEIGHT 3 238#define IMPROVE_WEIGHT 3
664#define IMPROVE_ENCHANT 4 239#define IMPROVE_ENCHANT 4
665#define IMPROVE_STR 5 240#define IMPROVE_STR 5
666#define IMPROVE_DEX 6 241#define IMPROVE_DEX 6
667#define IMPROVE_CON 7 242#define IMPROVE_CON 7
668#define IMPROVE_WIS 8 243#define IMPROVE_WIS 8
669#define IMPROVE_CHA 9 244#define IMPROVE_CHA 9
670#define IMPROVE_INT 10 245#define IMPROVE_INT 10
671#define IMPROVE_POW 11 246#define IMPROVE_POW 11
672
673 247
674/** 248/**
675 * This does the prepare weapon scroll. 249 * This does the prepare weapon scroll.
676 * Checks for sacrifice, and so on. 250 * Checks for sacrifice, and so on.
677 */ 251 */
678 252static int
679int prepare_weapon(object *op, object *improver, object *weapon) 253prepare_weapon (object *op, object *improver, object *weapon)
680{ 254{
681 int sacrifice_count,i; 255 int sacrifice_count, i;
682 char buf[MAX_BUF];
683 256
684 if (weapon->level!=0) { 257 if (weapon->level != 0)
685 new_draw_info(NDI_UNIQUE,0,op,"Weapon already prepared."); 258 {
259 op->failmsg ("Weapon is already prepared!");
686 return 0; 260 return 0;
687 } 261 }
262
688 for (i=0; i<NROFATTACKS; i++) 263 for (i = 0; i < NROFATTACKS; i++)
689 if (weapon->resist[i]) break; 264 if (weapon->resist[i])
265 break;
690 266
691 /* If we break out, i will be less than nrofattacks, preventing 267 /* If we break out, i will be less than nrofattacks, preventing
692 * improvement of items that already have protections. 268 * improvement of items that already have protections.
693 */ 269 */
694 if (i<NROFATTACKS || 270 if (i < NROFATTACKS || weapon->stats.hp || /* regeneration */
695 weapon->stats.hp || /* regeneration */
696 (weapon->stats.sp && weapon->type == WEAPON) || /* sp regeneration */ 271 (weapon->stats.sp && weapon->type == WEAPON) || /* sp regeneration */
697 weapon->stats.exp || /* speed */ 272 weapon->stats.exp || /* speed */
698 weapon->stats.ac) /* AC - only taifu's I think */ 273 weapon->stats.ac) /* AC - only taifu's I think */
699 { 274 {
700 new_draw_info(NDI_UNIQUE,0,op,"Cannot prepare magic weapons."); 275 op->failmsg ("You cannot prepare magic weapons. "
276 "H<A weapon is considered magical if it changes regeneration, "
277 "speed or ac, or has other protections.>");
701 return 0; 278 return 0;
702 } 279 }
280
703 sacrifice_count=check_sacrifice(op,improver); 281 sacrifice_count = check_sacrifice (op, improver);
704 if (sacrifice_count<=0) 282 if (sacrifice_count <= 0)
705 return 0; 283 return 0;
284
706 weapon->level=isqrt(sacrifice_count); 285 weapon->level = isqrt (sacrifice_count);
707 new_draw_info(NDI_UNIQUE,0,op,"Your sacrifice was accepted.");
708 eat_item(op, improver->slaying, sacrifice_count); 286 eat_item (op, improver->slaying, sacrifice_count);
709 287
710 new_draw_info_format(NDI_UNIQUE, 0, op,"Your *%s may be improved %d times.", 288 op->statusmsg (format (
289 "Your sacrifice was accepted."
290 "Your *%s may be improved %d times.",
711 weapon->name,weapon->level); 291 &weapon->name, weapon->level
292 ));
712 293
713 sprintf(buf,"%s's %s",op->name,weapon->name); 294 weapon->name = weapon->name_pl = format ("%s's %s", &op->name, &weapon->name);
714 FREE_AND_COPY(weapon->name, buf);
715 FREE_AND_COPY(weapon->name_pl, buf);
716 weapon->nrof=0; /* prevents preparing n weapons in the same 295 weapon->nrof = 0; /* prevents preparing n weapons in the same
717 slot at once! */ 296 slot at once! */
718 decrease_ob(improver); 297 improver->decrease ();
719 weapon->last_eat=0; 298 weapon->last_eat = 0;
720 return 1; 299 return 1;
721} 300}
722
723 301
724/** 302/**
725 * 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.
726 * This is the new improve weapon code. 304 * This is the new improve weapon code.
727 * 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.
… …
730 * 308 *
731 * 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
732 * 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 ??
733 * level == max improve last_eat == current improve 311 * level == max improve last_eat == current improve
734 */ 312 */
313static int
735int improve_weapon(object *op,object *improver,object *weapon) 314improve_weapon (object *op, object *improver, object *weapon)
736{ 315{
737 int sacrifice_count, sacrifice_needed=0; 316 int sacrifice_count, sacrifice_needed = 0;
738 317
739 if(improver->stats.sp==IMPROVE_PREPARE) { 318 if (improver->stats.sp == IMPROVE_PREPARE)
740 return prepare_weapon(op, improver, weapon); 319 return prepare_weapon (op, improver, weapon);
741 } 320
742 if (weapon->level==0) { 321 if (weapon->level == 0)
743 new_draw_info(NDI_UNIQUE, 0,op,"This weapon has not been prepared."); 322 {
323 op->failmsg (
324 "This weapon has not been prepared."
325 " H<You first have to prepare a weapon with a prepare weapon scroll.>");
744 return 0; 326 return 0;
745 } 327 }
746 if (weapon->level==weapon->last_eat && weapon->item_power >=100) { 328
747 new_draw_info(NDI_UNIQUE, 0,op,"This weapon cannot be improved any more."); 329 if (weapon->last_eat >= weapon->level // improvements used up
330 || weapon->item_power >= 100) // or item_power >= arbitrary limit of 100
331 {
332 op->failmsg ("This weapon cannot be improved any more.");
748 return 0; 333 return 0;
749 } 334 }
750 if (QUERY_FLAG(weapon, FLAG_APPLIED) && 335
751 !check_weapon_power(op, weapon->last_eat+1)) { 336 if (weapon->flag [FLAG_APPLIED]
752 new_draw_info(NDI_UNIQUE, 0,op,"Improving the weapon will make it too"); 337 && !check_item_power (op, weapon->item_power + 1))
753 new_draw_info(NDI_UNIQUE, 0,op,"powerful for you to use. Unready it if you"); 338 {
754 new_draw_info(NDI_UNIQUE, 0,op,"really want to improve it."); 339 op->failmsg ("Improving the weapon will make it too "
755 return 0; 340 "powerful for you to use. Unready it if you "
341 "really want to improve it.");
342 return 0;
756 } 343 }
344
757 /* This just increases damage by 5 points, no matter what. No sacrifice 345 /* This just increases damage by 5 points, no matter what. No sacrifice
758 * is needed. Since stats.dam is now a 16 bit value and not 8 bit, 346 * is needed. Since stats.dam is now a 16 bit value and not 8 bit,
759 * don't put any maximum value on damage - the limit is how much the 347 * don't put any maximum value on damage - the limit is how much the
760 * weapon can be improved. 348 * weapon can be improved.
761 */ 349 */
762 if (improver->stats.sp==IMPROVE_DAMAGE) { 350 if (improver->stats.sp == IMPROVE_DAMAGE)
351 {
763 weapon->stats.dam += 5; 352 weapon->stats.dam += 5;
764 weapon->weight += 5000; /* 5 KG's */ 353 weapon->weight += 5000; /* 5 KG's */
765 new_draw_info_format(NDI_UNIQUE, 0, op,
766 "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));
767 weapon->last_eat++; 355 weapon->last_eat++;
768 356
769 weapon->item_power++; 357 weapon->item_power++;
770 decrease_ob(improver); 358 improver->decrease ();
771 return 1; 359 return 1;
772 } 360 }
361
773 if (improver->stats.sp == IMPROVE_WEIGHT) { 362 if (improver->stats.sp == IMPROVE_WEIGHT)
363 {
774 /* Reduce weight by 20% */ 364 /* Reduce weight by 20% */
775 weapon->weight = (weapon->weight * 8)/10; 365 weapon->weight = (weapon->weight * 8) / 10;
776 if (weapon->weight < 1) weapon->weight = 1; 366 if (weapon->weight < 1)
777 new_draw_info_format(NDI_UNIQUE, 0, op, 367 weapon->weight = 1;
778 "Weapon weight reduced to %6.1f kg", 368
779 (float)weapon->weight/1000.0); 369 op->statusmsg (format ("Weapon weight reduced to %6.1fkg.", (float) weapon->weight / 1000.0));
780 weapon->last_eat++; 370 weapon->last_eat++;
781 weapon->item_power++; 371 weapon->item_power++;
782 decrease_ob(improver); 372 improver->decrease ();
783 return 1; 373 return 1;
784 } 374 }
375
785 if (improver->stats.sp == IMPROVE_ENCHANT) { 376 if (improver->stats.sp == IMPROVE_ENCHANT)
377 {
786 weapon->magic++; 378 weapon->magic++;
787 weapon->last_eat++; 379 weapon->last_eat++;
788 new_draw_info_format(NDI_UNIQUE, 0, op 380 op->statusmsg (format ("Weapon magic increased to %d.", weapon->magic));
789 ,"Weapon magic increased to %d",weapon->magic); 381 improver->decrease ();
790 decrease_ob(improver);
791 weapon->item_power++; 382 weapon->item_power++;
792 return 1; 383 return 1;
793 } 384 }
794 385
795 sacrifice_needed = weapon->stats.Str + weapon->stats.Int + weapon->stats.Dex+ 386 sacrifice_needed = weapon->stats.Str + weapon->stats.Int + weapon->stats.Dex +
796 weapon->stats.Pow + weapon->stats.Con + weapon->stats.Cha + 387 weapon->stats.Pow + weapon->stats.Con + weapon->stats.Cha + weapon->stats.Wis;
797 weapon->stats.Wis;
798 388
799 if (sacrifice_needed<1) 389 if (sacrifice_needed < 1)
800 sacrifice_needed =1; 390 sacrifice_needed = 1;
801 sacrifice_needed *=2; 391 sacrifice_needed *= 2;
802 392
803 sacrifice_count = check_sacrifice(op,improver); 393 sacrifice_count = check_sacrifice (op, improver);
804 if (sacrifice_count < sacrifice_needed) { 394 if (sacrifice_count < sacrifice_needed)
805 new_draw_info_format(NDI_UNIQUE, 0, op, 395 {
806 "You need at least %d %s", sacrifice_needed, improver->slaying); 396 op->failmsgf ("You need at least %d %s.", sacrifice_needed, &improver->slaying);
807 return 0; 397 return 0;
808 } 398 }
399
809 eat_item(op,improver->slaying, sacrifice_needed); 400 eat_item (op, improver->slaying, sacrifice_needed);
810 weapon->item_power++; 401 weapon->item_power++;
811 402
812 switch (improver->stats.sp) { 403 switch (improver->stats.sp)
813 case IMPROVE_STR: 404 {
814 return improve_weapon_stat(op,improver,weapon, 405 case IMPROVE_STR: return improve_weapon_stat (op, improver, weapon, weapon->stats.Str, 1, "strength");
815 (signed char *) &(weapon->stats.Str), 406 case IMPROVE_DEX: return improve_weapon_stat (op, improver, weapon, weapon->stats.Dex, 1, "dexterity");
816 1, "strength"); 407 case IMPROVE_CON: return improve_weapon_stat (op, improver, weapon, weapon->stats.Con, 1, "constitution");
817 case IMPROVE_DEX: 408 case IMPROVE_WIS: return improve_weapon_stat (op, improver, weapon, weapon->stats.Wis, 1, "wisdom");
818 return improve_weapon_stat(op,improver,weapon, 409 case IMPROVE_CHA: return improve_weapon_stat (op, improver, weapon, weapon->stats.Cha, 1, "charisma");
819 (signed char *) &(weapon->stats.Dex), 410 case IMPROVE_INT: return improve_weapon_stat (op, improver, weapon, weapon->stats.Int, 1, "intelligence");
820 1, "dexterity"); 411 case IMPROVE_POW: return improve_weapon_stat (op, improver, weapon, weapon->stats.Pow, 1, "power");
821 case IMPROVE_CON:
822 return improve_weapon_stat(op,improver,weapon,
823 (signed char *) &(weapon->stats.Con),
824 1, "constitution");
825 case IMPROVE_WIS:
826 return improve_weapon_stat(op,improver,weapon,
827 (signed char *) &(weapon->stats.Wis),
828 1, "wisdom");
829 case IMPROVE_CHA:
830 return improve_weapon_stat(op,improver,weapon,
831 (signed char *) &(weapon->stats.Cha),
832 1, "charisma");
833 case IMPROVE_INT:
834 return improve_weapon_stat(op,improver,weapon,
835 (signed char *) &(weapon->stats.Int),
836 1, "intelligence");
837 case IMPROVE_POW:
838 return improve_weapon_stat(op,improver,weapon,
839 (signed char *) &(weapon->stats.Pow),
840 1, "power");
841 default: 412 default:
842 new_draw_info(NDI_UNIQUE, 0,op,"Unknown improvement type."); 413 op->failmsg ("Unknown improvement type.");
843 } 414 }
415
844 LOG(llevError,"improve_weapon: Got to end of function\n"); 416 LOG (llevError, "improve_weapon: Got to end of function\n");
845 return 0; 417 return 0;
846} 418}
847 419
848/** 420/**
849 * Handles the applying of improve/prepare/enchant weapon scroll. 421 * Handles the applying of improve/prepare/enchant weapon scroll.
850 * 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, ...),
851 * then calls improve_weapon to do the dirty work. 423 * then calls improve_weapon to do the dirty work.
852 */ 424 */
425static int
853int check_improve_weapon (object *op, object *tmp) 426check_improve_weapon (object *op, object *tmp)
854{ 427{
855 object *otmp;
856
857 if(op->type!=PLAYER) 428 if (op->type != PLAYER)
429 return 0;
430
431 if (!op->flag [FLAG_WIZCAST] && (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC))
432 {
433 op->failmsg ("Something blocks the magic of the scroll!");
858 return 0; 434 return 0;
859 if (!QUERY_FLAG(op, FLAG_WIZCAST) && (get_map_flags(op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)) {
860 new_draw_info(NDI_UNIQUE, 0,op,"Something blocks the magic of the scroll.");
861 return 0;
862 } 435 }
863 otmp=find_marked_object(op); 436
437 object *otmp = op->mark ();
438
864 if(!otmp) { 439 if (!otmp)
865 new_draw_info(NDI_UNIQUE, 0, op, "You need to mark a weapon object."); 440 {
441 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>");
866 return 0; 442 return 0;
867 } 443 }
444
868 if (otmp->type != WEAPON && otmp->type != BOW) { 445 if (otmp->type != WEAPON && otmp->type != BOW)
869 new_draw_info(NDI_UNIQUE, 0,op,"Marked item is not a weapon or bow"); 446 {
447 op->failmsg ("Marked item is not a weapon or bow!");
870 return 0; 448 return 0;
871 } 449 }
872 new_draw_info(NDI_UNIQUE, 0,op,"Applied weapon builder."); 450
451 if (!op->apply (otmp, AP_UNAPPLY))
452 {
453 op->failmsg ("You are unable to take off your weapon to improve it!");
454 return 0;
455 }
456
457 op->statusmsg ("Applied weapon builder.");
458
873 improve_weapon(op,tmp,otmp); 459 improve_weapon (op, tmp, otmp);
874 esrv_send_item(op, otmp); 460 esrv_send_item (op, otmp);
875 return 1; 461 return 1;
876} 462}
877 463
878/** 464/**
879 * This code deals with the armour improvment scrolls. 465 * This code deals with the armour improvment scrolls.
880 * Change limits on improvement - let players go up to 466 * Change limits on improvement - let players go up to
… …
895 * the armour value of the piece of equipment exceed either 481 * the armour value of the piece of equipment exceed either
896 * the users level or 90) 482 * the users level or 90)
897 * Modified by MSW for partial resistance. Only support 483 * Modified by MSW for partial resistance. Only support
898 * changing of physical area right now. 484 * changing of physical area right now.
899 */ 485 */
486static int
900int improve_armour(object *op, object *improver, object *armour) 487improve_armour (object *op, object *improver, object *armour)
901{ 488{
902 object *tmp;
903
904 if (armour->magic >= settings.armor_max_enchant) { 489 if (armour->magic >= settings.armor_max_enchant)
905 new_draw_info(NDI_UNIQUE, 0,op,"This armour can not be enchanted any further.");
906 return 0;
907 } 490 {
491 op->failmsg ("This armour can not be enchanted any further!");
492 return 0;
493 }
494
908 /* 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,
909 * 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.
910 * 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
911 * of gnarg and what not?) 498 * of gnarg and what not?)
912 */ 499 */
913 if (armour->title) { 500 if (armour->title)
914 new_draw_info(NDI_UNIQUE, 0, op, "This armour will not accept further enchantment.");
915 return 0;
916 } 501 {
917 502 op->failmsg ("This armour will not accept further enchantment.");
503 return 0;
504 }
505
918 /* Split objects if needed. Can't insert tmp until the 506 /* Split objects if needed. Can't insert tmp until the
919 * end of this function - otherwise it will just re-merge. 507 * end of this function - otherwise it will just re-merge.
920 */ 508 */
921 if(armour->nrof > 1) 509 object *tmp = armour->nrof > 1 ? armour->split (armour->nrof - 1) : 0;
922 tmp = get_split_ob(armour,armour->nrof - 1);
923 else
924 tmp = NULL;
925 510
926 armour->magic++; 511 armour->magic++;
927 512
928 if ( !settings.armor_speed_linear ) 513 if (!settings.armor_speed_linear)
929 { 514 {
930 int base = 100; 515 int base = 100;
931 int pow = 0; 516 int pow = 0;
517
932 while ( pow < armour->magic ) 518 while (pow < armour->magic)
933 { 519 {
934 base = base - ( base * settings.armor_speed_improvement ) / 100; 520 base = base - (base * settings.armor_speed_improvement) / 100;
935 pow++; 521 pow++;
936 } 522 }
937 523
938 ARMOUR_SPEED( armour ) = ( ARMOUR_SPEED( &armour->arch->clone ) * base ) / 100; 524 ARMOUR_SPEED (armour) = (ARMOUR_SPEED (armour->arch) * base) / 100;
939 } 525 }
940 else 526 else
941 ARMOUR_SPEED( armour ) = ( ARMOUR_SPEED( &armour->arch->clone ) * ( 100 + armour->magic * settings.armor_speed_improvement ) )/100; 527 ARMOUR_SPEED (armour) = (ARMOUR_SPEED (armour->arch) * (100 + armour->magic * settings.armor_speed_improvement)) / 100;
942 528
943 if ( !settings.armor_weight_linear ) 529 if (!settings.armor_weight_linear)
944 { 530 {
945 int base = 100; 531 int base = 100;
946 int pow = 0; 532 int pow = 0;
533
947 while ( pow < armour->magic ) 534 while (pow < armour->magic)
948 { 535 {
949 base = base - ( base * settings.armor_weight_reduction ) / 100; 536 base = base - (base * settings.armor_weight_reduction) / 100;
950 pow++; 537 pow++;
951 } 538 }
952 539
953 armour->weight = ( armour->arch->clone.weight * base ) / 100; 540 armour->weight = (armour->arch->weight * base) / 100;
954 } 541 }
955 else 542 else
956 armour->weight = ( armour->arch->clone.weight * ( 100 - armour->magic * settings.armor_weight_reduction ) ) / 100; 543 armour->weight = (armour->arch->weight * (100 - armour->magic * settings.armor_weight_reduction)) / 100;
957 544
958 if ( armour->weight <= 0 ) 545 if (armour->weight <= 0)
959 { 546 {
960 LOG( llevInfo, "Warning: enchanted armours can have negative weight\n." ); 547 LOG (llevInfo, "Warning: enchanted armours can have negative weight\n.");
961 armour->weight = 1; 548 armour->weight = 1;
962 } 549 }
963 550
964 armour->item_power = get_power_from_ench(armour->arch->clone.item_power + armour->magic); 551 armour->item_power = get_power_from_ench (armour->arch->item_power + armour->magic);
965 552
966 if (op->type == PLAYER) { 553 if (op->type == PLAYER)
554 {
967 esrv_send_item(op, armour); 555 esrv_send_item (op, armour);
968 if(QUERY_FLAG(armour, FLAG_APPLIED)) 556
969 fix_player(op); 557 if (armour->flag [FLAG_APPLIED])
558 op->update_stats ();
970 } 559 }
971 decrease_ob(improver); 560
561 improver->decrease ();
562
972 if (tmp) { 563 if (tmp)
973 insert_ob_in_ob(tmp, op); 564 op->insert (tmp);
974 esrv_send_item(op, tmp); 565
975 }
976 return 1; 566 return 1;
977} 567}
978
979 568
980/* 569/*
981 * 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
982 * what the converter wants, -1 if the converter is broken. 571 * what the converter wants, -1 if the converter is broken.
983 */ 572 *
984#define CONV_FROM(xyz) xyz->slaying
985#define CONV_TO(xyz) xyz->other_arch
986#define CONV_NR(xyz) xyz->stats.sp
987#define CONV_NEED(xyz) xyz->stats.food
988
989/* Takes one items and makes another. 573 * Takes one type of items and makes another.
990 * converter is the object that is doing the conversion. 574 * converter is the object that is doing the conversion.
991 * 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
992 * what the converter wants, this will not do anything. 576 * what the converter wants, this will not do anything.
993 */ 577 */
578int
994int convert_item(object *item, object *converter) { 579convert_item (object *item, object *converter)
995 int nr=0; 580{
996 object *tmp; 581 sint64 nr = 0, price_in;
997 int is_in_shop;
998 uint32 price_in;
999 582
1000 for(tmp = get_map_ob(converter->map, converter->x, converter->y); 583 if (item->flag [FLAG_UNPAID])
1001 tmp != NULL; 584 return 0;
1002 tmp = tmp->above) {
1003 if(tmp->type == SHOP_FLOOR)
1004 break;
1005 }
1006 is_in_shop = (tmp != NULL);
1007 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;
590
1008 /* 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,
1009 * 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
1010 * 3 gp and player drops a platinum, tough luck) 593 * 3 gp and player drops a platinum, tough luck)
1011 */ 594 */
1012 if (!strcmp(CONV_FROM(converter),"money")) { 595 if (conv_from == shstr_money)
1013 int cost; 596 {
1014
1015 if(item->type!=MONEY) 597 if (item->type != MONEY)
1016 return 0; 598 return 0;
1017 599
1018 nr=(item->nrof*item->value)/CONV_NEED(converter); 600 nr = sint64 (item->nrof) * item->value / need;
1019 if (!nr) return 0; 601 if (!nr)
1020 cost=nr*CONV_NEED(converter)/item->value; 602 return 0;
1021 /* take into account rounding errors */
1022 if (nr*CONV_NEED(converter)%item->value) cost++;
1023 decrease_ob_nr(item, cost);
1024 603
604 converter->play_sound (sound_find ("shop_buy"));
605
606 sint64 cost = (nr * need + item->value - 1) / item->value;
607
608 item->decrease (cost);
609
1025 price_in = cost*item->value; 610 price_in = cost * item->value;
611 }
612 else
1026 } 613 {
1027 else { 614 if (item->type == PLAYER
1028 if(item->type==PLAYER||CONV_FROM(converter)!=item->arch->name|| 615 || conv_from != item->arch->archname
1029 (CONV_NEED(converter)&&CONV_NEED(converter)>item->nrof)) 616 || (need && need > (uint16) item->nrof))
1030 return 0; 617 return 0;
1031 618
1032 if(CONV_NEED(converter)) { 619 converter->play_sound (sound_find ("convert_item"));
1033 nr=item->nrof/CONV_NEED(converter); 620
1034 decrease_ob_nr(item,nr*CONV_NEED(converter)); 621 if (need)
1035 price_in = nr*CONV_NEED(converter)*item->value; 622 {
1036 } else { 623 nr = sint64 (item->nrof) / need;
624 item->decrease (nr * need);
625 price_in = nr * need * item->value;
626 }
627 else
628 {
1037 price_in = item->value; 629 price_in = item->value;
1038 remove_ob(item); 630 item->destroy ();
1039 free_object(item); 631 }
1040 } 632 }
633
634 if (converter->inv)
1041 } 635 {
1042
1043 if (converter->inv != NULL) {
1044 object *ob; 636 object *ob;
1045 int i; 637 int i;
1046 object *ob_to_copy; 638 object *ob_to_copy;
1047 639
1048 /* select random object from inventory to copy */ 640 /* select random object from inventory to copy */
1049 ob_to_copy = converter->inv; 641 ob_to_copy = converter->inv;
1050 for (ob = converter->inv->below, i = 1; ob != NULL; ob = ob->below, i++) { 642 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++)
1051 if (rndm(0, i) == 0) { 643 if (rndm (0, i) == 0)
1052 ob_to_copy = ob; 644 ob_to_copy = ob;
645
646 item = ob_to_copy->deep_clone ();
647 item->clr_flag (FLAG_IS_A_TEMPLATE);
648 unflag_inv (item, FLAG_IS_A_TEMPLATE);
1053 } 649 }
1054 } 650 else
1055 item = object_create_clone(ob_to_copy); 651 {
1056 CLEAR_FLAG(item, FLAG_IS_A_TEMPLATE); 652 if (!conv_to)
1057 unflag_inv(item, FLAG_IS_A_TEMPLATE); 653 {
1058 } else { 654 LOG (llevError, "move_creator: Converter doesn't have other arch set: %s (%s, %d, %d)\n",
1059 if (converter->other_arch == NULL) { 655 &converter->name, &converter->map->path, converter->x, converter->y);
1060 LOG(llevError,"move_creator: Converter doesn't have other arch set: %s (%s, %d, %d)\n", converter->name ? converter->name : "(null)", converter->map->path, converter->x, converter->y);
1061 return -1; 656 return -1;
1062 } 657 }
1063 658
1064 item = object_create_arch(converter->other_arch); 659 item = object_create_arch (conv_to);
1065 fix_generated_item(item, converter, 0, 0, GT_MINIMAL); 660 fix_generated_item (item, converter, 0, 0, GT_MINIMAL);
1066 } 661 }
1067 662
1068 if(CONV_NR(converter)) 663 if (give)
1069 item->nrof=CONV_NR(converter); 664 item->nrof = give;
665
1070 if(nr) 666 if (nr)
1071 item->nrof*=nr; 667 item->nrof *= nr;
1072 if(is_in_shop) 668
1073 SET_FLAG(item,FLAG_UNPAID); 669 if (converter->flag [FLAG_PRECIOUS])
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 }
1074 else if(price_in < item->nrof*item->value) { 680 else if (price_in < sint64 (item->nrof) * item->value)
681 {
1075 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",
1076 converter->name, converter->map->path, converter->x, converter->y, price_in, 683 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name);
1077 item->nrof*item->value, item->name);
1078 /** 684 /**
1079 * 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
1080 * propably had something in mind when doing this 686 * hopefully had something in mind when doing this.
1081 */ 687 */
1082 } 688 }
1083 insert_ob_in_map_at(item, converter->map, converter, 0, converter->x, converter->y); 689
690 // elmex: only identify if we need to, for example so that generated money doesn't
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
1084 return 1; 697 return 1;
1085} 698}
1086 699
1087/** 700/**
1088 * Handle apply on containers. 701 * Handle apply on containers.
1089 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
1090 * 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]
1091 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
1092 */ 705 */
1093 706static int
1094int apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
1095{ 708{
1096 char buf[MAX_BUF]; 709 if (op->type != PLAYER || !op->contr->ns)
1097 object *tmp; 710 return 0; /* This might change */
1098 711
1099 if(op->type!=PLAYER)
1100 return 0; /* This might change */
1101
1102 if (sack==NULL || sack->type != CONTAINER) { 712 if (!sack || sack->type != CONTAINER)
713 {
1103 LOG (llevError, "apply_container: %s is not container!\n",sack?sack->name:"NULL"); 714 LOG (llevError, "apply_container: %s is not container!\n", sack ? &sack->name : "[nullobject]");
1104 return 0; 715 return 0;
1105 } 716 }
1106 op->contr->last_used = NULL; 717
1107 op->contr->last_used_id = 0; 718 op->contr->last_used = 0;
1108 719
1109 if (sack->env!=op) { 720 if (sack->env && sack->env != op)
1110 if (sack->other_arch == NULL || sack->env != NULL) {
1111 new_draw_info(NDI_UNIQUE, 0,op,"You must get it first.");
1112 return 1;
1113 }
1114 /* It's on the ground, the problems begin */
1115 if (op->container != sack) {
1116 /* it's closed OR some player has opened it */
1117 if (QUERY_FLAG(sack, FLAG_APPLIED)) {
1118 for(tmp=get_map_ob(sack->map, sack->x, sack->y);
1119 tmp && tmp->container != sack; tmp=tmp->above);
1120 if (tmp) {
1121 /* some other player have opened it */
1122 new_draw_info_format(NDI_UNIQUE, 0, op,
1123 "%s is already occupied.", query_name(sack));
1124 return 1;
1125 }
1126 }
1127 }
1128 if ( QUERY_FLAG(sack, FLAG_APPLIED)) {
1129 if (op->container == NULL) {
1130 tmp = arch_to_object (sack->other_arch);
1131 /* not good, but insert_ob_in_ob() is too smart */
1132 CLEAR_FLAG (tmp, FLAG_REMOVED);
1133 tmp->x= tmp->y = tmp->ox = tmp->oy = 0;
1134 tmp->map = NULL;
1135 tmp->env = sack;
1136 if (sack->inv)
1137 sack->inv->above = tmp;
1138 tmp->below = sack->inv;
1139 tmp->above = NULL;
1140 sack->inv = tmp;
1141 sack->move_off = MOVE_ALL; /* trying force closing it */
1142 } else {
1143 sack->move_off = 0;
1144 tmp = sack->inv;
1145 if (tmp && tmp->type == CLOSE_CON) {
1146 remove_ob(tmp);
1147 free_object (tmp);
1148 }
1149 }
1150 }
1151 } 721 {
1152 722 op->failmsg ("You must put it onto the floor or into your inventory first.");
1153 if (QUERY_FLAG (sack, FLAG_APPLIED)) {
1154 if (op->container) {
1155 if (op->container != sack) {
1156 tmp = op->container;
1157 apply_container (op, tmp);
1158 sprintf (buf, "You close %s and open ", query_name(tmp));
1159 op->container = sack;
1160 strcat (buf, query_name(sack));
1161 strcat (buf, ".");
1162 } else {
1163 CLEAR_FLAG (sack, FLAG_APPLIED);
1164 op->container = NULL;
1165 sprintf (buf, "You close %s.", query_name(sack));
1166 }
1167 } else {
1168 CLEAR_FLAG (sack, FLAG_APPLIED);
1169 sprintf (buf, "You open %s.", query_name(sack));
1170 SET_FLAG (sack, FLAG_APPLIED);
1171 op->container = sack;
1172 }
1173 } else { /* not applied */
1174 if (sack->slaying) { /* it's locked */
1175 tmp = find_key(op, op, sack);
1176 if (tmp) {
1177 sprintf (buf, "You unlock %s with %s.", query_name(sack), query_name(tmp));
1178 SET_FLAG (sack, FLAG_APPLIED);
1179 if (sack->env == NULL) { /* if it's on ground,open it also */
1180 new_draw_info (NDI_UNIQUE,0,op, buf);
1181 apply_container (op, sack);
1182 return 1; 723 return 1;
1183 } 724 }
1184 } else { 725
1185 sprintf (buf, "You don't have the key to unlock %s.", 726 // already applied == open on ground, or open in inv, or active in inv
1186 query_name(sack)); 727 if (sack->flag [FLAG_APPLIED])
1187 }
1188 } else {
1189 sprintf (buf, "You readied %s.", query_name(sack));
1190 SET_FLAG (sack, FLAG_APPLIED);
1191 if (sack->env == NULL) { /* if it's on ground,open it also */
1192 new_draw_info (NDI_UNIQUE, 0, op, buf);
1193 apply_container (op, sack);
1194 return 1;
1195 }
1196 }
1197 } 728 {
1198 new_draw_info (NDI_UNIQUE, 0, op, buf); 729 if (op->container_ () == sack)
1199 if (op->contr) op->contr->socket.update_look=1; 730 {
1200 return 1; 731 // open on ground or inv, so close
1201} 732 op->close_container ();
1202
1203/**
1204 * Eneq(@csd.uu.se): Handle apply on containers. This is for containers
1205 * the player has in their inventory, eg, sacks, luggages, etc.
1206 *
1207 * Moved to own function and added many features [Tero.Haatanen@lut.fi]
1208 * This version is for client/server mode.
1209 * op is the player, sack is the container the player is opening or closing.
1210 * return 1 if an object is apllied somehow or another, 0 if error/no apply
1211 *
1212 * Reminder - there are three states for any container - closed (non applied),
1213 * applied (not open, but objects that match get tossed into it), and open
1214 * (applied flag set, and op->container points to the open container)
1215 */
1216
1217int esrv_apply_container (object *op, object *sack)
1218{
1219 object *tmp=op->container;
1220 if(op->type!=PLAYER)
1221 return 0; /* This might change */
1222
1223 if (sack==NULL || sack->type != CONTAINER) {
1224 LOG (llevError,
1225 "esrv_apply_container: %s is not container!\n",sack?sack->name:"NULL");
1226 return 0;
1227 }
1228
1229 /* If we have a currently open container, then it needs to be closed in all cases
1230 * if we are opening this one up. We then fall through if appropriate for
1231 * openening the new container.
1232 */
1233
1234 if (op->container && QUERY_FLAG(sack, FLAG_APPLIED)) {
1235 if (op->container->env != op) { /* if container is on the ground */
1236 op->container->move_off = 0;
1237 }
1238 /* Lauwenmark: Handle for plugin close event */
1239 if (execute_event(tmp, EVENT_CLOSE,op,NULL,NULL,SCRIPT_FIX_ALL)!=0)
1240 return 1; 733 return 1;
1241
1242 new_draw_info_format(NDI_UNIQUE, 0, op, "You close %s.",
1243 query_name(op->container));
1244 CLEAR_FLAG(op->container, FLAG_APPLIED);
1245 op->container=NULL;
1246 esrv_update_item (UPD_FLAGS, op, tmp);
1247 if (tmp == sack) return 1;
1248 }
1249
1250
1251 /* If the player is trying to open it (which he must be doing if we got here),
1252 * and it is locked, check to see if player has the equipment to open it.
1253 */
1254
1255 if (sack->slaying) { /* it's locked */
1256 tmp=find_key(op, op, sack);
1257 if (tmp) {
1258 new_draw_info_format(NDI_UNIQUE, 0, op, "You unlock %s with %s.", query_name(sack), query_name(tmp));
1259 } else {
1260 new_draw_info_format(NDI_UNIQUE, 0, op, "You don't have the key to unlock %s.",
1261 query_name(sack));
1262 return 0;
1263 } 734 }
735 else if (!sack->env)
736 {
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.
740 op->failmsgf ("Somebody else is using the %s already.", query_name (sack));
741 return 1;
742 }
743 }
744
745 // it's locked?
746 if (sack->slaying)
1264 } 747 {
1265 748 if (object *tmp = find_key (op, op, sack))
1266 /* By the time we get here, we have made sure any other container has been closed and 749 {
1267 * if this is a locked container, the player they key to open it. 750 op->statusmsg (format ("You unlock %s with %s.", query_name (sack), query_name (tmp)));
1268 */ 751 }
1269 752 else
1270 /* There are really two cases - the sack is either on the ground, or the sack is 753 {
1271 * part of the players inventory. If on the ground, we assume that the player is 754 sack->flag [FLAG_APPLIED] = false; // might be applied in inv, let the user close it
1272 * opening it, since if it was being closed, that would have been taken care of above.
1273 */
1274
1275
1276 if (sack->env != op) {
1277 /* Hypothetical case - the player is trying to open a sack that belong to someone
1278 * else. This normally should not happen, but a misbehaving client/player could
1279 * try to do it, so lets handle it gracefully.
1280 */
1281 if (sack->env) {
1282 new_draw_info_format(NDI_UNIQUE, 0, op, "You can't open %s",
1283 query_name(sack));
1284 return 0;
1285 }
1286 /* set these so when the player walks off, we can unapply the sack */
1287 sack->move_off = MOVE_ALL; /* trying force closing it */
1288
1289 CLEAR_FLAG (sack, FLAG_APPLIED);
1290 new_draw_info_format(NDI_UNIQUE, 0, op, "You open %s.", query_name(sack));
1291 SET_FLAG (sack, FLAG_APPLIED);
1292 op->container = sack;
1293 esrv_update_item (UPD_FLAGS, op, sack); 755 esrv_update_item (UPD_FLAGS, op, sack);
1294 esrv_send_inventory (op, sack); 756 op->statusmsg (format ("You don't have the key to unlock %s.", query_name (sack)));
757 return 1;
758 }
759 }
1295 760
1296 } else { /* sack is in players inventory */ 761 if (sack->env && !sack->flag [FLAG_APPLIED])
1297 if (QUERY_FLAG (sack, FLAG_APPLIED)) { /* readied sack becoming open */ 762 {
1298 CLEAR_FLAG (sack, FLAG_APPLIED); 763 // it is in our env, so activate it, do not open yet
1299 new_draw_info_format(NDI_UNIQUE, 0, op, "You open %s.", query_name(sack)); 764 op->close_container ();
1300 SET_FLAG (sack, FLAG_APPLIED); 765 sack->flag [FLAG_APPLIED] = true;
1301 op->container = sack;
1302 esrv_update_item (UPD_FLAGS, op, sack); 766 esrv_update_item (UPD_FLAGS, op, sack);
1303 esrv_send_inventory (op, sack); 767 op->statusmsg (format ("You ready %s.", query_name (sack)));
1304 }
1305 else {
1306 CLEAR_FLAG (sack, FLAG_APPLIED);
1307 new_draw_info_format(NDI_UNIQUE, 0, op, "You readied %s.", query_name(sack));
1308 SET_FLAG (sack, FLAG_APPLIED);
1309 esrv_update_item (UPD_FLAGS, op, sack);
1310 }
1311 } 768 }
769 else
770 op->open_container (sack);
771
1312 return 1; 772 return 1;
1313} 773}
1314
1315 774
1316/** 775/**
1317 * Handles dropping things on altar. 776 * Handles dropping things on altar.
1318 * Returns true if sacrifice was accepted. 777 * Returns true if sacrifice was accepted.
1319 */ 778 */
779static int
1320static int apply_altar (object *altar, object *sacrifice, object *originator) 780apply_altar (object *altar, object *sacrifice, object *originator)
1321{ 781{
1322 /* Only players can make sacrifices on spell casting altars. */ 782 /* Only players can make sacrifices on spell casting altars. */
1323 if (altar->inv && ( ! originator || originator->type != PLAYER)) 783 if (altar->inv && (!originator || originator->type != PLAYER))
1324 return 0; 784 return 0;
1325 785
1326 if (operate_altar (altar, &sacrifice)) { 786 if (operate_altar (altar, &sacrifice, originator))
787 {
1327 /* Simple check. Unfortunately, it means you can't cast magic bullet 788 /* Simple check. Unfortunately, it means you can't cast magic bullet
1328 * 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
1329 * is up to map designers to use them properly. 790 * is up to map designers to use them properly.
1330 */ 791 */
1331 if (altar->inv && altar->inv->type==SPELL) { 792 if (altar->inv && altar->inv->type == SPELL)
1332 new_draw_info_format (NDI_BLACK, 0, originator, "The altar casts %s.", 793 {
1333 altar->inv->name); 794 originator->statusmsg (format ("The altar casts %s.", &altar->inv->name));
1334 cast_spell (originator, altar, 0, altar->inv, NULL); 795 cast_spell (originator, altar, 0, altar->inv, NULL);
1335 /* If it is connected, push the button. Fixes some problems with 796 /* If it is connected, push the button. Fixes some problems with
1336 * old maps. 797 * old maps.
1337 */ 798 */
799
1338/* push_button (altar);*/ 800/* push_button (altar);*/
1339 } else { 801 }
802 else
803 {
1340 altar->value = 1; /* works only once */ 804 altar->value = 1; /* works only once */
1341 push_button (altar); 805 push_button (altar, originator);
1342 } 806 }
1343 return sacrifice == NULL; 807
1344 } else { 808 return !sacrifice;
809 }
810 else
1345 return 0; 811 return 0;
1346 }
1347} 812}
1348
1349 813
1350/** 814/**
1351 * Handles 'movement' of shop mats. 815 * Handles 'movement' of shop mats.
1352 * Returns 1 if 'op' was destroyed, 0 if not. 816 * Returns 1 if 'op' was destroyed, 0 if not.
1353 * Largely re-written to not use nearly as many gotos, plus 817 * Largely re-written to not use nearly as many gotos, plus
1354 * some of this code just looked plain out of date. 818 * some of this code just looked plain out of date.
1355 * MSW 2001-08-29 819 * MSW 2001-08-29
1356 */ 820 */
821int
1357int apply_shop_mat (object *shop_mat, object *op) 822apply_shop_mat (object *shop_mat, object *op)
1358{ 823{
1359 int rv = 0; 824 int rv = 0;
1360 double opinion; 825 double opinion;
1361 object *tmp, *next; 826 object *tmp, *next;
1362 827
1363 SET_FLAG (op,FLAG_NO_APPLY); /* prevent loops */ 828 op->set_flag (FLAG_NO_APPLY); /* prevent loops */
1364 829
1365 if (op->type != PLAYER) { 830 bool has_unpaid = false;
831
832 // quite inefficient to do this here twice, but the api doesn't lend itself to
833 // a quick and small change :(
834 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
835 if (item->flag [FLAG_UNPAID])
836 {
837 has_unpaid = true;
838 break;
839 }
840
841 if (!op->is_player ())
842 {
1366 /* Remove all the unpaid objects that may be carried here. 843 /* Remove all the unpaid objects that may be carried here.
1367 * This could be pets or monsters that are somehow in 844 * This could be pets or monsters that are somehow in
1368 * the shop. 845 * the shop.
1369 */ 846 */
1370 for (tmp=op->inv; tmp; tmp=next) { 847 for (tmp = op->inv; tmp; tmp = next)
848 {
1371 next = tmp->below; 849 next = tmp->below;
1372 if (QUERY_FLAG(tmp, FLAG_UNPAID)) { 850
851 if (tmp->flag [FLAG_UNPAID])
852 {
1373 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);
1374 854
1375 remove_ob(tmp); 855 if (i >= 0)
1376 if (i==-1) i=0; 856 tmp->move (i);
1377 tmp->map = op->map; 857 }
1378 tmp->x = op->x + freearr_x[i]; 858 }
1379 tmp->y = op->y + freearr_y[i];
1380 insert_ob_in_map(tmp, op->map, op, 0);
1381 }
1382 }
1383 859
1384 /* Don't teleport things like spell effects */ 860 /* Don't teleport things like spell effects */
1385 if (QUERY_FLAG(op, FLAG_NO_PICK)) return 0; 861 if (op->flag [FLAG_NO_PICK])
862 return 0;
1386 863
1387 /* unpaid objects, or non living objects, can't transfer by 864 /* unpaid objects, or non living objects, can't transfer by
1388 * shop mats. Instead, put it on a nearby space. 865 * shop mats. Instead, put it on a nearby space.
1389 */ 866 */
1390 if (QUERY_FLAG(op, FLAG_UNPAID) || !QUERY_FLAG(op, FLAG_ALIVE)) { 867 if (op->flag [FLAG_UNPAID] || !op->flag [FLAG_ALIVE])
1391 868 {
1392 /* Somebody dropped an unpaid item, just move to an adjacent place. */ 869 /* Somebody dropped an unpaid item, just move to an adjacent place. */
870 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9);
871
872 if (i != -1)
873 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0, shop_mat);
874
875 return 0;
876 }
877
878 /* Removed code that checked for multipart objects - it appears that
879 * the teleport function should be able to handle this just fine.
880 */
881 rv = teleport (shop_mat, SHOP_MAT, op);
882 }
883 else if (can_pay (op) && get_payment (op))
884 {
885 /* this is only used for players */
886 rv = teleport (shop_mat, SHOP_MAT, op);
887
888 if (has_unpaid)
889 op->contr->play_sound (sound_find ("shop_buy"));
890 else if (op->is_in_shop ())
891 op->contr->play_sound (sound_find ("shop_enter"));
892 else
893 op->contr->play_sound (sound_find ("shop_leave"));
894
895 if (shop_mat->msg)
896 op->statusmsg (shop_mat->msg);
897 /* This check below is a bit simplistic - generally it should be correct,
898 * but there is never a guarantee that the bottom space on the map is
899 * actually the shop floor.
900 */
901 else if (!rv && !op->is_in_shop ())
902 {
903 opinion = shopkeeper_approval (op->map, op);
904
905 op->statusmsg (
906 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
907 : opinion >= 0.75 ? "The shopkeeper waves to you."
908 : opinion >= 0.50 ? "The shopkeeper ignores you."
909 : "The shopkeeper glares at you with contempt."
910 );
911 }
912 }
913 else
914 {
915 /* if we get here, a player tried to leave a shop but was not able
916 * to afford the items he has. We try to move the player so that
917 * they are not on the mat anymore
918 */
1393 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9); 919 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9);
920
1394 if (i != -1) { 921 if (i == -1)
1395 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0,
1396 shop_mat);
1397 }
1398 return 0;
1399 }
1400 /* Removed code that checked for multipart objects - it appears that
1401 * the teleport function should be able to handle this just fine.
1402 */
1403 rv = teleport (shop_mat, SHOP_MAT, op);
1404 }
1405 /* immediate block below is only used for players */
1406 else if (can_pay(op)) {
1407 get_payment (op, op->inv);
1408 rv = teleport (shop_mat, SHOP_MAT, op);
1409 if (shop_mat->msg) {
1410 new_draw_info (NDI_UNIQUE, 0, op, shop_mat->msg);
1411 }
1412 /* This check below is a bit simplistic - generally it should be correct,
1413 * but there is never a guarantee that the bottom space on the map is
1414 * actually the shop floor.
1415 */
1416 else if ( ! rv && (tmp = get_map_ob (op->map, op->x, op->y)) != NULL
1417 && tmp->type != SHOP_FLOOR) {
1418 opinion = shopkeeper_approval(op->map, op);
1419 if ( opinion > 0.9)
1420 new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper gives you a friendly wave.");
1421 else if ( opinion > 0.75)
1422 new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper waves to you.");
1423 else if ( opinion > 0.5)
1424 new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper ignores you.");
1425 else
1426 new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper glares at you with contempt.");
1427 }
1428 }
1429 else {
1430 /* if we get here, a player tried to leave a shop but was not able
1431 * to afford the items he has. We try to move the player so that
1432 * they are not on the mat anymore
1433 */
1434
1435 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9);
1436 if(i == -1) {
1437 LOG (llevError, "Internal shop-mat problem.\n"); 922 LOG (llevError, "Internal shop-mat problem.\n");
1438 } else { 923 else
1439 remove_ob (op); 924 {
925 op->remove ();
1440 op->x += freearr_x[i]; 926 op->x += freearr_x[i];
1441 op->y += freearr_y[i]; 927 op->y += freearr_y[i];
1442 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;
1443 esrv_map_scroll(&op->contr->socket, freearr_x[i],freearr_y[i]); 929 }
1444 op->contr->socket.update_look=1;
1445 op->contr->socket.look_position=0;
1446 }
1447 } 930 }
1448 CLEAR_FLAG (op, FLAG_NO_APPLY); 931
932 op->clr_flag (FLAG_NO_APPLY);
1449 return rv; 933 return rv;
1450} 934}
1451 935
1452/** 936/**
1453 * Handles applying a sign. 937 * Handles applying a sign.
1454 */ 938 */
939static void
1455static void apply_sign (object *op, object *sign, int autoapply) 940apply_sign (object *op, object *sign, int autoapply)
1456{ 941{
1457 readable_message_type* msgType; 942 if (!op->is_player())
1458 char newbuf[HUGE_BUF];
1459 if (sign->msg == NULL) {
1460 new_draw_info (NDI_UNIQUE, 0, op, "Nothing is written on it.");
1461 return;
1462 }
1463
1464 if (sign->stats.food) {
1465 if (sign->last_eat >= sign->stats.food) {
1466 if (!sign->move_on)
1467 new_draw_info (NDI_UNIQUE, 0, op, "You cannot read it anymore.");
1468 return;
1469 }
1470
1471 if (!QUERY_FLAG(op, FLAG_WIZPASS))
1472 sign->last_eat++;
1473 }
1474
1475 /* Sign or magic mouth? Do we need to see it, or does it talk to us?
1476 * No way to know for sure. The presumption is basically that if
1477 * move_on is zero, it needs to be manually applied (doesn't talk
1478 * to us).
1479 */
1480 if (QUERY_FLAG (op, FLAG_BLIND) && ! QUERY_FLAG (op, FLAG_WIZ) && !sign->move_on) {
1481 new_draw_info (NDI_UNIQUE, 0, op,
1482 "You are unable to read while blind.");
1483 return;
1484 }
1485 msgType=get_readable_message_type(sign);
1486 snprintf(newbuf,sizeof(newbuf),"%hhu %s", autoapply?1:0,sign->msg);
1487 draw_ext_info(NDI_UNIQUE | NDI_NAVY, 0, op, msgType->message_type, msgType->message_subtype, newbuf, sign->msg);
1488}
1489
1490
1491/**
1492 * 'victim' moves onto 'trap'
1493 * 'victim' leaves 'trap'
1494 * effect is determined by move_on/move_off of trap and move_type of victime.
1495 *
1496 * originator: Player, monster or other object that caused 'victim' to move
1497 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1498 * However, some types of traps require an originator to function.
1499 */
1500void move_apply (object *trap, object *victim, object *originator)
1501{
1502 static int recursion_depth = 0;
1503
1504 /* Only exits affect DMs. */
1505 if (QUERY_FLAG(victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1506 return; 943 return;
1507 944
1508 /* move_apply() is the most likely candidate for causing unwanted and 945 if (sign->has_dialogue ())
1509 * possibly unlimited recursion. 946 {
947 op->statusmsg (format ("Maybe you should I<talk> to the %s instead?", &sign->name));
948 return;
949 }
950
951 if (!sign->msg)
952 {
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 "));
957 return;
958 }
959
960 if (sign->stats.food)
961 {
962 if (sign->last_eat >= sign->stats.food)
963 {
964 if (!sign->move_on)
965 op->failmsg ("You cannot read it anymore.");
966
967 return;
968 }
969
970 if (!op->flag [FLAG_WIZPASS])
971 sign->last_eat++;
972 }
973
974 /* Sign or magic mouth? Do we need to see it, or does it talk to us?
975 * No way to know for sure. The presumption is basically that if
976 * move_on is zero, it needs to be manually applied (doesn't talk
977 * to us).
1510 */ 978 */
1511 /* The following was changed because it was causing perfeclty correct 979 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ] && !sign->move_on)
1512 * maps to fail. 1) it's not an error to recurse: 980 {
1513 * rune detonates, summoning monster. monster lands on nearby rune. 981 op->failmsg ("You are unable to read while blind!");
1514 * nearby rune detonates. This sort of recursion is expected and 982 return;
1515 * proper. This code was causing needless crashes. 983 }
984
985 if (op->contr)
986 if (client *ns = op->contr->ns)
987 {
988 if (sign->sound)
989 ns->play_sound (sign->sound);
990 else if (autoapply)
991 ns->play_sound (sound_find ("msg_voice"));
992
993 op->contr->infobox (MSG_CHANNEL ("examine"), format ("T<%s>\n\n%s", &sign->name, &sign->msg));
994 }
995}
996
997static void
998move_apply_hole (object *trap, object *victim)
999{
1000 /* Hole not open? */
1001 if (trap->stats.wc > 0)
1002 return;
1003
1004 /* Is this a multipart monster and not the head? If so, return.
1005 * Processing will happen if the head runs into the pit
1516 */ 1006 */
1517 if (recursion_depth >= 500) {
1518 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1519 "[trap arch %s, name %s; victim arch %s, name %s]\n",
1520 trap->arch->name, trap->name, victim->arch->name, victim->name);
1521 return;
1522 }
1523 recursion_depth++;
1524 if (trap->head) trap=trap->head;
1525
1526 /* Lauwenmark: Handle for plugin trigger event */
1527 if (execute_event(trap, EVENT_TRIGGER,originator,victim,NULL,SCRIPT_FIX_ALL)!=0)
1528 goto leave;
1529
1530 switch (trap->type) {
1531 case PLAYERMOVER:
1532 if (trap->attacktype && (trap->level || victim->type!=PLAYER) &&
1533 !should_director_abort(trap, victim)) {
1534 if (!trap->stats.maxsp) trap->stats.maxsp=2;
1535
1536 /* Is this correct? From the docs, it doesn't look like it
1537 * should be divided by trap->speed
1538 */
1539 victim->speed_left = -FABS(trap->stats.maxsp*victim->speed/trap->speed);
1540
1541 /* Just put in some sanity check. I think there is a bug in the
1542 * above with some objects have zero speed, and thus the player
1543 * getting permanently paralyzed.
1544 */
1545 if (victim->speed_left<-50.0) victim->speed_left=-50.0;
1546 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left);*/
1547 }
1548 goto leave;
1549
1550 case SPINNER:
1551 if(victim->direction) {
1552 victim->direction=absdir(victim->direction-trap->stats.sp);
1553 update_turn_face(victim);
1554 }
1555 goto leave;
1556
1557 case DIRECTOR:
1558 if(victim->direction && !should_director_abort(trap, victim)) {
1559 victim->direction=trap->stats.sp;
1560 update_turn_face(victim);
1561 }
1562 goto leave;
1563
1564 case BUTTON:
1565 case PEDESTAL:
1566 update_button(trap);
1567 goto leave;
1568
1569 case ALTAR:
1570 /* sacrifice victim on trap */
1571 apply_altar (trap, victim, originator);
1572 goto leave;
1573
1574 case THROWN_OBJ:
1575 if (trap->inv == NULL)
1576 goto leave;
1577 /* fallthrough */
1578
1579 case ARROW:
1580
1581 /* bad bug: monster throw a object, make a step forwards, step on object ,
1582 * trigger this here and get hit by own missile - and will be own enemy.
1583 * Victim then is his own enemy and will start to kill herself (this is
1584 * removed) but we have not synced victim and his missile. To avoid senseless
1585 * action, we avoid hits here
1586 */
1587 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1588 hit_with_arrow (trap, victim);
1589 goto leave;
1590
1591 case SPELL_EFFECT:
1592 apply_spell_effect(trap, victim);
1593 goto leave;
1594
1595 case TRAPDOOR:
1596 {
1597 int max, sound_was_played;
1598 object *ab, *ab_next;
1599 if(!trap->value) {
1600 int tot;
1601 for(ab=trap->above,tot=0;ab!=NULL;ab=ab->above)
1602 if ((ab->move_type && trap->move_on) || ab->move_type==0)
1603 tot += (ab->nrof ? ab->nrof : 1) * ab->weight + ab->carrying;
1604
1605 if(!(trap->value=(tot>trap->weight)?1:0))
1606 goto leave;
1607
1608 SET_ANIMATION(trap, trap->value);
1609 update_object(trap,UP_OBJ_FACE);
1610 }
1611
1612 for (ab = trap->above, max=100, sound_was_played = 0; --max && ab; ab=ab_next) {
1613 /* need to set this up, since if we do transfer the object,
1614 * ab->above would be bogus
1615 */
1616 ab_next = ab->above;
1617
1618 if ((ab->move_type && trap->move_on) || ab->move_type==0) {
1619 if ( ! sound_was_played) {
1620 play_sound_map(trap->map, trap->x, trap->y, SOUND_FALL_HOLE);
1621 sound_was_played = 1;
1622 }
1623 new_draw_info(NDI_UNIQUE, 0,ab,"You fall into a trapdoor!");
1624 transfer_ob(ab,(int)EXIT_X(trap),(int)EXIT_Y(trap),0,ab);
1625 }
1626 }
1627 goto leave;
1628 }
1629
1630
1631 case CONVERTER:
1632 if (convert_item (victim, trap) < 0) {
1633 object *op;
1634
1635 new_draw_info_format(NDI_UNIQUE, 0, originator, "The %s seems to be broken!", query_name(trap));
1636
1637 op = get_archetype("burnout");
1638 if (op != NULL) {
1639 op->x = trap->x;
1640 op->y = trap->y;
1641 insert_ob_in_map(op, trap->map, trap, 0);
1642 }
1643 }
1644 goto leave;
1645
1646 case TRIGGER_BUTTON:
1647 case TRIGGER_PEDESTAL:
1648 case TRIGGER_ALTAR:
1649 check_trigger (trap, victim);
1650 goto leave;
1651
1652 case DEEP_SWAMP:
1653 walk_on_deep_swamp (trap, victim);
1654 goto leave;
1655
1656 case CHECK_INV:
1657 check_inv (victim, trap);
1658 goto leave;
1659
1660 case HOLE:
1661 /* Hole not open? */
1662 if(trap->stats.wc > 0)
1663 goto leave;
1664
1665 /* Is this a multipart monster and not the head? If so, return.
1666 * Processing will happen if the head runs into the pit
1667 */
1668 if (victim->head) 1007 if (victim->head)
1669 goto leave;
1670
1671 play_sound_map (victim->map, victim->x, victim->y, SOUND_FALL_HOLE);
1672 new_draw_info (NDI_UNIQUE, 0, victim, "You fall through the hole!\n");
1673 transfer_ob (victim, EXIT_X (trap), EXIT_Y (trap), 1, victim);
1674 goto leave;
1675
1676 case EXIT:
1677 if (victim->type == PLAYER && EXIT_PATH (trap)) {
1678 /* Basically, don't show exits leading to random maps the
1679 * players output.
1680 */
1681 if (trap->msg && strncmp(EXIT_PATH(trap),"/!",2) && strncmp(EXIT_PATH(trap), "/random/", 8))
1682 new_draw_info (NDI_NAVY, 0, victim, trap->msg);
1683 enter_exit (victim, trap);
1684 }
1685 goto leave;
1686
1687 case ENCOUNTER:
1688 /* may be some leftovers on this */
1689 goto leave;
1690
1691 case SHOP_MAT:
1692 apply_shop_mat (trap, victim);
1693 goto leave;
1694
1695 /* Drop a certain amount of gold, and have one item identified */
1696 case IDENTIFY_ALTAR:
1697 apply_id_altar (victim, trap, originator);
1698 goto leave;
1699
1700 case SIGN:
1701 if (victim->type != PLAYER && trap->stats.food > 0)
1702 goto leave; /* monsters musn't apply magic_mouths with counters */
1703
1704 apply_sign (victim, trap, 1);
1705 goto leave;
1706
1707 case CONTAINER:
1708 if (victim->type==PLAYER)
1709 (void) esrv_apply_container (victim, trap);
1710 else
1711 (void) apply_container (victim, trap);
1712 goto leave;
1713
1714 case RUNE:
1715 case TRAP:
1716 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE)) {
1717 spring_trap(trap, victim);
1718 }
1719 goto leave;
1720
1721 default:
1722 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1723 "handled in move_apply()\n", trap->name, trap->arch->name,
1724 trap->type);
1725 goto leave;
1726 }
1727
1728 leave:
1729 recursion_depth--;
1730}
1731
1732/**
1733 * Handles reading a regular (ie not containing a spell) book.
1734 */
1735static void apply_book (object *op, object *tmp)
1736{
1737 int lev_diff;
1738 object *skill_ob;
1739
1740 if(QUERY_FLAG(op, FLAG_BLIND)&&!QUERY_FLAG(op,FLAG_WIZ)) {
1741 new_draw_info(NDI_UNIQUE, 0,op,"You are unable to read while blind.");
1742 return;
1743 }
1744 if(tmp->msg==NULL) {
1745 new_draw_info_format(NDI_UNIQUE, 0, op,
1746 "You open the %s and find it empty.", tmp->name);
1747 return;
1748 }
1749
1750 /* need a literacy skill to read stuff! */
1751 skill_ob = find_skill_by_name(op, tmp->skill);
1752 if ( ! skill_ob) {
1753 new_draw_info(NDI_UNIQUE, 0,op,
1754 "You are unable to decipher the strange symbols.");
1755 return;
1756 }
1757 lev_diff = tmp->level - (skill_ob->level + 5);
1758 if ( ! QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0) {
1759 if (lev_diff < 2)
1760 new_draw_info(NDI_UNIQUE, 0,op,"This book is just barely beyond your comprehension.");
1761 else if (lev_diff < 3)
1762 new_draw_info(NDI_UNIQUE, 0,op,"This book is slightly beyond your comprehension.");
1763 else if (lev_diff < 5)
1764 new_draw_info(NDI_UNIQUE, 0,op,"This book is beyond your comprehension.");
1765 else if (lev_diff < 8)
1766 new_draw_info(NDI_UNIQUE, 0,op,"This book is quite a bit beyond your comprehension.");
1767 else if (lev_diff < 15)
1768 new_draw_info(NDI_UNIQUE, 0,op,"This book is way beyond your comprehension.");
1769 else
1770 new_draw_info(NDI_UNIQUE, 0,op,"This book is totally beyond your comprehension.");
1771 return;
1772 }
1773
1774
1775 /* Lauwenmark: Handle for plugin book event */
1776 /*printf("Book apply: %s\n", tmp->name);
1777 execute_event(tmp, EVENT_APPLY,op,NULL,SCRIPT_FIX_ALL);
1778 printf("Book applied: %s\n", tmp->name);*/
1779 /*if ((evt = find_event(tmp, EVENT_APPLY)) != NULL)
1780 {
1781 CFParm CFP;
1782 int k, l, m;
1783 uint32 n;
1784 new_draw_info_format (NDI_UNIQUE, 0, op,
1785 "You open the %s and start reading.", tmp->name);
1786 k = EVENT_APPLY;
1787 l = SCRIPT_FIX_ALL;
1788 m = 0;
1789 n = 0;
1790 CFP.Value[0] = &k;
1791 CFP.Value[1] = op;
1792 CFP.Value[2] = tmp;
1793 CFP.Value[3] = NULL;
1794 CFP.Value[4] = NULL;
1795 CFP.Value[5] = &n;
1796 CFP.Value[6] = &m;
1797 CFP.Value[7] = &m;
1798 CFP.Value[8] = &l;
1799 CFP.Value[9] = (void*)evt->hook;
1800 CFP.Value[10]= (void*)evt->options;
1801 if (findPlugin(evt->plugin)>=0)
1802 ((PlugList[findPlugin(evt->plugin)].eventfunc) (&CFP));
1803 }
1804 else*/{
1805 readable_message_type* msgType = get_readable_message_type(tmp);
1806 draw_ext_info_format(NDI_UNIQUE | NDI_NAVY, 0, op,
1807 msgType->message_type, msgType->message_subtype,
1808 "You open the %s and start reading.\n%s",
1809 "%s\n%s",
1810 long_desc(tmp,op), tmp->msg);
1811 }
1812
1813 /* gain xp from reading */
1814 if(!QUERY_FLAG(tmp,FLAG_NO_SKILL_IDENT)) { /* only if not read before */
1815 int exp_gain=calc_skill_exp(op,tmp, skill_ob);
1816 if(!QUERY_FLAG(tmp,FLAG_IDENTIFIED)) {
1817 /*exp_gain *= 2; because they just identified it too */
1818 SET_FLAG(tmp,FLAG_IDENTIFIED);
1819 /* If in a container, update how it looks */
1820 if(tmp->env) esrv_update_item(UPD_FLAGS|UPD_NAME, op,tmp);
1821 else op->contr->socket.update_look=1;
1822 }
1823 change_exp(op,exp_gain, skill_ob->skill, 0);
1824 SET_FLAG(tmp,FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1825 }
1826}
1827
1828/**
1829 * Handles the applying of a skill scroll, calling learn_skill straight.
1830 * op is the person learning the skill, tmp is the skill scroll object
1831 */
1832static void apply_skillscroll (object *op, object *tmp)
1833{
1834 switch ((int) learn_skill (op, tmp)) {
1835 case 0:
1836 new_draw_info(NDI_UNIQUE, 0,op,"You already possess the knowledge ");
1837 new_draw_info_format(NDI_UNIQUE, 0,op,"held within the %s.\n",query_name(tmp));
1838 return;
1839
1840 case 1:
1841 new_draw_info_format(NDI_UNIQUE, 0,op,"You succeed in learning %s",
1842 tmp->skill);
1843 new_draw_info_format(NDI_UNIQUE, 0, op,
1844 "Type 'bind ready_skill %s",tmp->skill);
1845 new_draw_info(NDI_UNIQUE, 0,op,"to store the skill in a key.");
1846 decrease_ob(tmp);
1847 return;
1848
1849 default:
1850 new_draw_info_format(NDI_UNIQUE,0,op,
1851 "You fail to learn the knowledge of the %s.\n",query_name(tmp));
1852 decrease_ob(tmp);
1853 return;
1854 }
1855}
1856
1857/**
1858 * Actually makes op learn spell.
1859 * Informs player of what happens.
1860 */
1861void do_learn_spell (object *op, object *spell, int special_prayer)
1862{
1863 object *tmp;
1864
1865 if (op->type != PLAYER) {
1866 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1867 return;
1868 }
1869
1870 /* Upgrade special prayers to normal prayers */
1871 if ((tmp=check_spell_known (op, spell->name))!=NULL) {
1872 if (special_prayer && !QUERY_FLAG(tmp, FLAG_STARTEQUIP)) {
1873 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1874 return;
1875 }
1876 return;
1877 }
1878
1879 play_sound_player_only (op->contr, SOUND_LEARN_SPELL, 0, 0);
1880 tmp = get_object();
1881 copy_object(spell, tmp);
1882 insert_ob_in_ob(tmp, op);
1883
1884 if (special_prayer) {
1885 SET_FLAG(tmp, FLAG_STARTEQUIP);
1886 }
1887
1888 new_draw_info_format (NDI_UNIQUE, 0, op,
1889 "Type 'bind cast %s", spell->name);
1890 new_draw_info (NDI_UNIQUE, 0, op, "to store the spell in a key.");
1891 esrv_add_spells(op->contr, tmp);
1892}
1893
1894/**
1895 * Erases spell from player's inventory.
1896 */
1897void do_forget_spell (object *op, const char *spell)
1898{
1899 object *spob;
1900
1901 if (op->type != PLAYER) {
1902 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1903 return;
1904 }
1905 if ( (spob=check_spell_known (op, spell)) == NULL) {
1906 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1907 return;
1908 }
1909
1910 new_draw_info_format (NDI_UNIQUE|NDI_NAVY, 0, op,
1911 "You lose knowledge of %s.", spell);
1912 player_unready_range_ob(op->contr, spob);
1913 esrv_remove_spell(op->contr, spob);
1914 remove_ob(spob);
1915 free_object(spob);
1916}
1917
1918/**
1919 * Handles player applying a spellbook.
1920 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1921 * stuff like that. Random learning failure too.
1922 */
1923static void apply_spellbook (object *op, object *tmp)
1924{
1925 object *skop, *spell, *spell_skill;
1926
1927 if(QUERY_FLAG(op, FLAG_BLIND)&&!QUERY_FLAG(op,FLAG_WIZ)) {
1928 new_draw_info(NDI_UNIQUE, 0,op,"You are unable to read while blind.");
1929 return;
1930 }
1931
1932 /* artifact_spellbooks have 'slaying' field point to a spell name,
1933 * instead of having their spell stored in stats.sp. These are
1934 * legacy spellbooks
1935 */
1936
1937 if(tmp->slaying != NULL) {
1938 spell=arch_to_object(find_archetype_by_object_name(tmp->slaying));
1939 if (!spell) {
1940 new_draw_info_format(NDI_UNIQUE, 0, op,
1941 "The book's formula for %s is incomplete", tmp->slaying);
1942 return;
1943 }
1944 else
1945 insert_ob_in_ob(spell, tmp);
1946 free_string(tmp->slaying);
1947 tmp->slaying=NULL;
1948 }
1949
1950 skop = find_skill_by_name(op, tmp->skill);
1951
1952 /* need a literacy skill to learn spells. Also, having a literacy level
1953 * lower than the spell will make learning the spell more difficult */
1954 if ( !skop) {
1955 new_draw_info(NDI_UNIQUE, 0,op,"You can't read! Your attempt fails.");
1956 return;
1957 }
1958
1959 spell = tmp->inv;
1960 if (!spell) {
1961 LOG(llevError,"apply_spellbook: Book %s has no spell in it!\n", tmp->name);
1962 new_draw_info(NDI_UNIQUE, 0,op,"The spellbook symbols make no sense.");
1963 return; 1008 return;
1964 }
1965 if (spell->level > (skop->level+10)) {
1966 new_draw_info(NDI_UNIQUE, 0,op,"You are unable to decipher the strange symbols.");
1967 return;
1968 }
1969 1009
1970 new_draw_info_format(NDI_UNIQUE, 0, op, 1010 // now find all possible locations and randomly pick one
1971 "The spellbook contains the %s level spell %s.", 1011 int dir = find_free_spot (victim, trap->map, EXIT_X (trap), EXIT_Y (trap), 0,
1972 get_levelnumber(spell->level), spell->name); 1012 trap->range >= 3 ? SIZEOFFREE3 + 1
1013 : trap->range >= 2 ? SIZEOFFREE2 + 1
1014 : trap->range >= 1 ? SIZEOFFREE1 + 1
1015 : SIZEOFFREE0 + 1);
1973 1016
1974 if (!QUERY_FLAG(tmp, FLAG_IDENTIFIED)) { 1017 if (dir < 0)
1975 identify(tmp);
1976 if (tmp->env)
1977 esrv_update_item(UPD_FLAGS|UPD_NAME,op,tmp);
1978 else
1979 op->contr->socket.update_look=1;
1980 }
1981
1982 /* I removed the check for special_prayer_mark here - it didn't make
1983 * a lot of sense - special prayers are not found in spellbooks, and
1984 * if the player doesn't know the spell, doesn't make a lot of sense that
1985 * they would have a special prayer mark.
1986 */
1987 if (check_spell_known (op, spell->name)) {
1988 new_draw_info(NDI_UNIQUE, 0,op,"You already know that spell.\n");
1989 return;
1990 }
1991
1992 if (spell->skill) {
1993 spell_skill = find_skill_by_name(op, spell->skill);
1994 if (!spell_skill) {
1995 new_draw_info_format(NDI_UNIQUE, 0, op,
1996 "You lack the skill %s to use this spell",
1997 spell->skill);
1998 return; 1018 return;
1999 }
2000 if (spell_skill->level < spell->level) {
2001 new_draw_info_format(NDI_UNIQUE, 0, op,
2002 "You need to be level %d in %s to learn this spell.",
2003 spell->level, spell->skill);
2004 return;
2005 }
2006 }
2007 1019
2008 /* Logic as follows 1020 victim->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2009 * 1021 victim->statusmsg ("You fall through the hole!", NDI_RED);
2010 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2011 *
2012 * 2- The learner's skill level in literacy adjusts the chance to learn
2013 * a spell.
2014 *
2015 * 3 -Automatically fail to learn if you read while confused
2016 *
2017 * Overall, chances are the same but a player will find having a high
2018 * literacy rate very useful! -b.t.
2019 */
2020 if(QUERY_FLAG(op,FLAG_CONFUSED)) {
2021 new_draw_info(NDI_UNIQUE,0,op,"In your confused state you flub the wording of the text!");
2022 scroll_failure(op, 0 - random_roll(0, spell->level, op, PREFER_LOW), MAX(spell->stats.sp, spell->stats.grace));
2023 } else if(QUERY_FLAG(tmp,FLAG_STARTEQUIP) ||
2024 (random_roll(0, 100, op, PREFER_LOW)-(5*skop->level)) <
2025 learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int]) {
2026 1022
2027 new_draw_info(NDI_UNIQUE, 0,op,"You succeed in learning the spell!"); 1023 transfer_ob (victim,
2028 do_learn_spell (op, spell, 0); 1024 EXIT_X (trap) + freearr_x[dir],
2029 1025 EXIT_Y (trap) + freearr_y[dir],
2030 /* xp gain to literacy for spell learning */ 1026 0, victim);
2031 if ( ! QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2032 change_exp(op,calc_skill_exp(op,tmp,skop), skop->skill, 0);
2033 } else {
2034 play_sound_player_only(op->contr, SOUND_FUMBLE_SPELL,0,0);
2035 new_draw_info(NDI_UNIQUE, 0,op,"You fail to learn the spell.\n");
2036 }
2037 decrease_ob(tmp);
2038}
2039
2040/**
2041 * Handles applying a spell scroll.
2042 */
2043void apply_scroll (object *op, object *tmp, int dir)
2044{
2045 object *skop;
2046
2047 if(QUERY_FLAG(op, FLAG_BLIND)&&!QUERY_FLAG(op,FLAG_WIZ)) {
2048 new_draw_info(NDI_UNIQUE, 0,op, "You are unable to read while blind.");
2049 return;
2050 }
2051
2052 if (!tmp->inv || tmp->inv->type != SPELL) {
2053 new_draw_info (NDI_UNIQUE, 0, op,
2054 "The scroll just doesn't make sense!");
2055 return;
2056 }
2057
2058 if(op->type==PLAYER) {
2059 /* players need a literacy skill to read stuff! */
2060 int exp_gain=0;
2061
2062 /* hard code literacy - tmp->skill points to where the exp
2063 * should go for anything killed by the spell.
2064 */
2065 skop = find_skill_by_name(op, skill_names[SK_LITERACY]);
2066
2067 if ( ! skop) {
2068 new_draw_info(NDI_UNIQUE, 0,op,
2069 "You are unable to decipher the strange symbols.");
2070 return;
2071 }
2072
2073 if((exp_gain = calc_skill_exp(op,tmp, skop)))
2074 change_exp(op,exp_gain, skop->skill, 0);
2075 }
2076
2077 if (!QUERY_FLAG(tmp, FLAG_IDENTIFIED))
2078 identify(tmp);
2079
2080 new_draw_info_format(NDI_BLACK, 0, op,
2081 "The scroll of %s turns to dust.", tmp->inv->name);
2082
2083
2084 cast_spell(op,tmp,dir,tmp->inv, NULL);
2085 decrease_ob(tmp);
2086}
2087
2088/**
2089 * Applies a treasure object - by default, chest. op
2090 * is the person doing the applying, tmp is the treasure
2091 * chest.
2092 */
2093static void apply_treasure (object *op, object *tmp)
2094{
2095 object *treas;
2096 tag_t tmp_tag = tmp->count, op_tag = op->count;
2097
2098
2099 /* Nice side effect of new treasure creation method is that the treasure
2100 * for the chest is done when the chest is created, and put into the chest
2101 * inventory. So that when the chest burns up, the items still exist. Also
2102 * prevents people fromt moving chests to more difficult maps to get better
2103 * treasure
2104 */
2105
2106 treas = tmp->inv;
2107 if(treas==NULL) {
2108 new_draw_info(NDI_UNIQUE, 0,op,"The chest was empty.");
2109 decrease_ob(tmp);
2110 return;
2111 }
2112 while (tmp->inv) {
2113 treas = tmp->inv;
2114
2115 remove_ob(treas);
2116 new_draw_info_format(NDI_UNIQUE, 0, op, "You find %s in the chest.",
2117 query_name(treas));
2118
2119 treas->x=op->x;
2120 treas->y=op->y;
2121 treas = insert_ob_in_map (treas, op->map, op,INS_BELOW_ORIGINATOR);
2122
2123 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level
2124 && QUERY_FLAG (op, FLAG_ALIVE))
2125 spring_trap (treas, op);
2126 /* If either player or container was destroyed, no need to do
2127 * further processing. I think this should be enclused with
2128 * spring trap above, as I don't think there is otherwise
2129 * any way for the treasure chest or player to get killed
2130 */
2131 if (was_destroyed (op, op_tag) || was_destroyed (tmp, tmp_tag))
2132 break;
2133 }
2134
2135 if ( ! was_destroyed (tmp, tmp_tag) && tmp->inv == NULL)
2136 decrease_ob (tmp);
2137
2138}
2139
2140/**
2141 * op eats food.
2142 * If player, takes care of messages and dragon special food.
2143 */
2144static void apply_food (object *op, object *tmp)
2145{
2146 int capacity_remaining;
2147
2148 if(op->type!=PLAYER)
2149 op->stats.hp=op->stats.maxhp;
2150 else {
2151 /* check if this is a dragon (player), eating some flesh */
2152 if (tmp->type==FLESH && is_dragon_pl(op) && dragon_eat_flesh(op, tmp))
2153 ;
2154 else {
2155 /* usual case - no dragon meal: */
2156 if(op->stats.food+tmp->stats.food>999) {
2157 if(tmp->type==FOOD || tmp->type==FLESH)
2158 new_draw_info(NDI_UNIQUE, 0,op,"You feel full, but what a waste of food!");
2159 else
2160 new_draw_info(NDI_UNIQUE, 0,op,"Most of the drink goes down your face not your throat!");
2161 }
2162
2163 if(!QUERY_FLAG(tmp, FLAG_CURSED)) {
2164 char buf[MAX_BUF];
2165
2166 if (!is_dragon_pl(op)) {
2167 /* eating message for normal players*/
2168 if(tmp->type==DRINK)
2169 sprintf(buf,"Ahhh...that %s tasted good.",tmp->name);
2170 else
2171 sprintf(buf,"The %s tasted %s",tmp->name,
2172 tmp->type==FLESH?"terrible!":"good.");
2173 }
2174 else {
2175 /* eating message for dragon players*/
2176 sprintf(buf,"The %s tasted terrible!",tmp->name);
2177 }
2178
2179 new_draw_info(NDI_UNIQUE, 0,op,buf);
2180 capacity_remaining = 999 - op->stats.food;
2181 op->stats.food+=tmp->stats.food;
2182 if(capacity_remaining < tmp->stats.food)
2183 op->stats.hp += capacity_remaining / 50;
2184 else
2185 op->stats.hp+=tmp->stats.food/50;
2186 if(op->stats.hp>op->stats.maxhp)
2187 op->stats.hp=op->stats.maxhp;
2188 if (op->stats.food > 999)
2189 op->stats.food = 999;
2190 }
2191
2192 /* special food hack -b.t. */
2193 if(tmp->title || QUERY_FLAG(tmp,FLAG_CURSED))
2194 eat_special_food(op,tmp);
2195 }
2196 }
2197 handle_apply_yield(tmp);
2198 decrease_ob(tmp);
2199}
2200
2201/**
2202 * A dragon is eating some flesh. If the flesh contains resistances,
2203 * there is a chance for the dragon's skin to get improved.
2204 *
2205 * attributes:
2206 * object *op the object (dragon player) eating the flesh
2207 * object *meal the flesh item, getting chewed in dragon's mouth
2208 * return:
2209 * int 1 if eating successful, 0 if it doesn't work
2210 */
2211int dragon_eat_flesh(object *op, object *meal) {
2212 object *skin = NULL; /* pointer to dragon skin force*/
2213 object *abil = NULL; /* pointer to dragon ability force*/
2214 object *tmp = NULL; /* tmp. object */
2215
2216 char buf[MAX_BUF]; /* tmp. string buffer */
2217 double chance; /* improvement-chance of one resistance type */
2218 double totalchance=1; /* total chance of gaining one resistance */
2219 double bonus=0; /* level bonus (improvement is easier at lowlevel) */
2220 double mbonus=0; /* monster bonus */
2221 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2222 int winners=0; /* number of winners */
2223 int i; /* index */
2224
2225 /* let's make sure and doublecheck the parameters */
2226 if (meal->type!=FLESH || !is_dragon_pl(op))
2227 return 0;
2228
2229 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2230 from the player's inventory */
2231 for (tmp=op->inv; tmp!=NULL; tmp=tmp->below) {
2232 if (tmp->type == FORCE) {
2233 if (strcmp(tmp->arch->name, "dragon_skin_force")==0)
2234 skin = tmp;
2235 else if (strcmp(tmp->arch->name, "dragon_ability_force")==0)
2236 abil = tmp;
2237 }
2238 }
2239
2240 /* if either skin or ability are missing, this is an old player
2241 which is not to be considered a dragon -> bail out */
2242 if (skin == NULL || abil == NULL) return 0;
2243
2244 /* now start by filling stomache and health, according to food-value */
2245 if((999 - op->stats.food) < meal->stats.food)
2246 op->stats.hp += (999 - op->stats.food) / 50;
2247 else
2248 op->stats.hp += meal->stats.food/50;
2249 if(op->stats.hp>op->stats.maxhp)
2250 op->stats.hp=op->stats.maxhp;
2251
2252 op->stats.food = MIN(999, op->stats.food + meal->stats.food);
2253
2254 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level);*/
2255
2256 /* on to the interesting part: chances for adding resistance */
2257 for (i=0; i<NROFATTACKS; i++) {
2258 if (meal->resist[i] > 0 && atnr_is_dragon_enabled(i)) {
2259 /* got positive resistance, now calculate improvement chance (0-100) */
2260
2261 /* this bonus makes resistance increase easier at lower levels */
2262 bonus = (settings.max_level - op->level) * 30. / ((double)settings.max_level);
2263 if (i == abil->stats.exp)
2264 bonus += 5; /* additional bonus for resistance of ability-focus */
2265
2266 /* monster bonus increases with level, because high-level
2267 flesh is too rare */
2268 mbonus = op->level * 20. / ((double)settings.max_level);
2269
2270 chance = (((double)MIN(op->level+bonus, meal->level+bonus+mbonus))*100. /
2271 ((double)settings.max_level)) - skin->resist[i];
2272
2273 if (chance >= 0.)
2274 chance += 1.;
2275 else
2276 chance = (chance < -12) ? 0. : 1./pow(2., -chance);
2277
2278 /* chance is proportional to amount of resistance (max. 50) */
2279 chance *= ((double)(MIN(meal->resist[i], 50)))/50.;
2280
2281 /* doubled chance for resistance of ability-focus */
2282 if (i == abil->stats.exp)
2283 chance = MIN(100., chance*2.);
2284
2285 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2286 if (RANDOM()%10000 < (int)(chance*100)) {
2287 atnr_winner[winners] = i;
2288 winners++;
2289 }
2290
2291 if (chance >= 0.01 ) totalchance *= 1 - chance/100;
2292
2293 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance);*/
2294 }
2295 }
2296
2297 /* inverse totalchance as until now we have the failure-chance */
2298 totalchance = 100 - totalchance*100;
2299 /* print message according to totalchance */
2300 if (totalchance > 50.)
2301 sprintf(buf, "Hmm! The %s tasted delicious!", meal->name);
2302 else if (totalchance > 10.)
2303 sprintf(buf, "The %s tasted very good.", meal->name);
2304 else if (totalchance > 1.)
2305 sprintf(buf, "The %s tasted good.", meal->name);
2306 else if (totalchance > 0.1)
2307 sprintf(buf, "The %s tasted bland.", meal->name);
2308 else if (totalchance >= 0.01)
2309 sprintf(buf, "The %s had a boring taste.", meal->name);
2310 else if (meal->last_eat > 0 && atnr_is_dragon_enabled(meal->last_eat))
2311 sprintf(buf, "The %s tasted strange.", meal->name);
2312 else
2313 sprintf(buf, "The %s had no taste.", meal->name);
2314 new_draw_info(NDI_UNIQUE, 0, op, buf);
2315
2316 /* now choose a winner if we have any */
2317 i = -1;
2318 if (winners>0)
2319 i = atnr_winner[RANDOM()%winners];
2320
2321 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95) {
2322 /* resistance increased! */
2323 skin->resist[i]++;
2324 fix_player(op);
2325
2326 sprintf(buf, "Your skin is now more resistant to %s!", change_resist_msg[i]);
2327 new_draw_info(NDI_UNIQUE|NDI_RED, 0, op, buf);
2328 }
2329
2330 /* if this flesh contains a new ability focus, we mark it
2331 into the ability_force and it will take effect on next level */
2332 if (meal->last_eat > 0 && atnr_is_dragon_enabled(meal->last_eat)
2333 && meal->last_eat != abil->last_eat) {
2334 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2335
2336 if (meal->last_eat != abil->stats.exp) {
2337 sprintf(buf, "Your metabolism prepares to focus on %s!",
2338 change_resist_msg[meal->last_eat]);
2339 new_draw_info(NDI_UNIQUE, 0, op, buf);
2340 sprintf(buf, "The change will happen at level %d", abil->level + 1);
2341 new_draw_info(NDI_UNIQUE, 0, op, buf);
2342 }
2343 else {
2344 sprintf(buf, "Your metabolism will continue to focus on %s.",
2345 change_resist_msg[meal->last_eat]);
2346 new_draw_info(NDI_UNIQUE, 0, op, buf);
2347 abil->last_eat = 0;
2348 }
2349 }
2350 return 1;
2351}
2352
2353static void apply_savebed (object *pl)
2354{
2355#ifndef COZY_SERVER
2356 if(!pl->contr->name_changed||!pl->stats.exp) {
2357 new_draw_info(NDI_UNIQUE, 0,pl,"You don't deserve to save your character yet.");
2358 return;
2359 }
2360#endif
2361 /* Need to call terminate_all_pets() before we remove the player ob */
2362 terminate_all_pets(pl);
2363 remove_ob(pl);
2364 pl->direction=0;
2365 new_draw_info_format(NDI_UNIQUE | NDI_ALL | NDI_DK_ORANGE, 5, pl,
2366 "%s leaves the game.",pl->name);
2367
2368 /* update respawn position */
2369 strcpy(pl->contr->savebed_map, pl->map->path);
2370 pl->contr->bed_x = pl->x;
2371 pl->contr->bed_y = pl->y;
2372
2373 strcpy(pl->contr->killer,"left");
2374 check_score(pl); /* Always check score */
2375 (void)save_player(pl,0);
2376 pl->map->players--;
2377#if MAP_MAXTIMEOUT
2378 MAP_SWAP_TIME(pl->map) = MAP_TIMEOUT(pl->map);
2379#endif
2380 play_again(pl);
2381 pl->speed = 0;
2382 update_ob_speed(pl);
2383}
2384
2385/**
2386 * Handles applying an improve armor scroll.
2387 * Does some sanity checks, then calls improve_armour.
2388 */
2389static void apply_armour_improver (object *op, object *tmp)
2390{
2391 object *armor;
2392
2393 if (!QUERY_FLAG(op, FLAG_WIZCAST) && (get_map_flags(op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)) {
2394 new_draw_info(NDI_UNIQUE, 0,op,"Something blocks the magic of the scroll.");
2395 return;
2396 }
2397 armor=find_marked_object(op);
2398 if ( ! armor) {
2399 new_draw_info(NDI_UNIQUE, 0, op, "You need to mark an armor object.");
2400 return;
2401 }
2402 if (armor->type != ARMOUR
2403 && armor->type != CLOAK
2404 && armor->type != BOOTS && armor->type != GLOVES
2405 && armor->type != BRACERS && armor->type != SHIELD
2406 && armor->type != HELMET)
2407 {
2408 new_draw_info(NDI_UNIQUE, 0,op,"Your marked item is not armour!\n");
2409 return;
2410 }
2411
2412 new_draw_info(NDI_UNIQUE, 0,op,"Applying armour enchantment.");
2413 improve_armour(op,tmp,armor);
2414}
2415
2416
2417extern void apply_poison (object *op, object *tmp)
2418{
2419 if (op->type == PLAYER) {
2420 play_sound_player_only(op->contr, SOUND_DRINK_POISON,0,0);
2421 new_draw_info(NDI_UNIQUE, 0,op,"Yech! That tasted poisonous!");
2422 strcpy(op->contr->killer,"poisonous booze");
2423 }
2424 if (tmp->stats.hp > 0) {
2425 LOG(llevDebug,"Trying to poison player/monster for %d hp\n",
2426 tmp->stats.hp);
2427 hit_player(op, tmp->stats.hp, tmp, AT_POISON, 1);
2428 }
2429 op->stats.food-=op->stats.food/4;
2430 handle_apply_yield(tmp);
2431 decrease_ob(tmp);
2432}
2433
2434/**
2435 * This fonction return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2436 * A valid 2 way exit means:
2437 * -You can come back (there is another exit at the other side)
2438 * -You are
2439 * ° the owner of the exit
2440 * ° or in the same party as the owner
2441 *
2442 * Note: a owner in a 2 way exit is saved as the owner's name
2443 * in the field exit->name cause the field exit->owner doesn't
2444 * survive in the swapping (in fact the whole exit doesn't survive).
2445 */
2446int is_legal_2ways_exit (object* op, object *exit)
2447 {
2448 object * tmp;
2449 object * exit_owner;
2450 player * pp;
2451 mapstruct * exitmap;
2452 if (exit->stats.exp!=1) return 1; /*This is not a 2 way, so it is legal*/
2453 if (!has_been_loaded(EXIT_PATH(exit)) && exit->race) return 0; /* This is a reset town portal */
2454 /* To know if an exit has a correspondant, we look at
2455 * all the exits in destination and try to find one with same path as
2456 * the current exit's position */
2457 if (!strncmp(EXIT_PATH (exit), settings.localdir, strlen(settings.localdir)))
2458 exitmap = ready_map_name(EXIT_PATH (exit), MAP_PLAYER_UNIQUE);
2459 else exitmap = ready_map_name(EXIT_PATH (exit), 0);
2460 if (exitmap)
2461 {
2462 tmp=get_map_ob (exitmap,EXIT_X(exit),EXIT_Y(exit));
2463 if (!tmp) return 0;
2464 for ( (tmp=get_map_ob(exitmap,EXIT_X(exit),EXIT_Y(exit)));tmp;tmp=tmp->above)
2465 {
2466 if (tmp->type!=EXIT) continue; /*Not an exit*/
2467 if (!EXIT_PATH (tmp)) continue; /*Not a valid exit*/
2468 if ( (EXIT_X(tmp)!=exit->x) || (EXIT_Y(tmp)!=exit->y)) continue; /*Not in the same place*/
2469 if (strcmp(exit->map->path,EXIT_PATH(tmp))!=0) continue; /*Not in the same map*/
2470
2471 /* From here we have found the exit is valid. However we do
2472 * here the check of the exit owner. It is important for the
2473 * town portals to prevent strangers from visiting your appartments
2474 */
2475 if (!exit->race) return 1; /*No owner, free for all!*/
2476 exit_owner=NULL;
2477 for (pp=first_player;pp;pp=pp->next)
2478 {
2479 if (!pp->ob) continue;
2480 if (pp->ob->name!=exit->race) continue;
2481 exit_owner= pp->ob; /*We found a player which correspond to the player name*/
2482 break;
2483 }
2484 if (!exit_owner) return 0; /* No more owner*/
2485 if (exit_owner->contr==op->contr) return 1; /*It is your exit*/
2486 if ( exit_owner && /*There is a owner*/
2487 (op->contr) && /*A player tries to pass */
2488 ( (exit_owner->contr->party==NULL) || /*No pass if controller has no party*/
2489 (exit_owner->contr->party!=op->contr->party)) ) /* Or not the same as op*/
2490 return 0;
2491 return 1;
2492 }
2493 }
2494 return 0;
2495 }
2496
2497
2498/**
2499 * Main apply handler.
2500 *
2501 * Checks for unpaid items before applying.
2502 *
2503 * Return value:
2504 * 0: player or monster can't apply objects of that type
2505 * 1: has been applied, or there was an error applying the object
2506 * 2: objects of that type can't be applied if not in inventory
2507 *
2508 * op is the object that is causing object to be applied, tmp is the object
2509 * being applied.
2510 *
2511 * aflag is special (always apply/unapply) flags. Nothing is done with
2512 * them in this function - they are passed to apply_special
2513 */
2514
2515int manual_apply (object *op, object *tmp, int aflag)
2516{
2517 if (tmp->head) tmp=tmp->head;
2518
2519 if (QUERY_FLAG (tmp, FLAG_UNPAID) && ! QUERY_FLAG (tmp, FLAG_APPLIED)) {
2520 if (op->type == PLAYER) {
2521 new_draw_info (NDI_UNIQUE, 0, op, "You should pay for it first.");
2522 return 1;
2523 } else {
2524 return 0; /* monsters just skip unpaid items */
2525 }
2526 }
2527
2528
2529 /* Lauwenmark: Handle for plugin apply event */
2530 if (execute_event(tmp, EVENT_APPLY,op,NULL,NULL,SCRIPT_FIX_ALL)!=0)
2531 return 1;
2532
2533 switch (tmp->type) {
2534
2535 case TRANSPORT:
2536 return apply_transport(op, tmp, aflag);
2537
2538 case CF_HANDLE:
2539 new_draw_info(NDI_UNIQUE, 0,op,"You turn the handle.");
2540 play_sound_map(op->map, op->x, op->y, SOUND_TURN_HANDLE);
2541 tmp->value=tmp->value?0:1;
2542 SET_ANIMATION(tmp, tmp->value);
2543 update_object(tmp,UP_OBJ_FACE);
2544 push_button(tmp);
2545 return 1;
2546
2547 case TRIGGER:
2548 if (check_trigger (tmp, op)) {
2549 new_draw_info (NDI_UNIQUE, 0, op, "You turn the handle.");
2550 play_sound_map (tmp->map, tmp->x, tmp->y, SOUND_TURN_HANDLE);
2551 } else {
2552 new_draw_info (NDI_UNIQUE, 0, op, "The handle doesn't move.");
2553 }
2554 return 1;
2555
2556 case EXIT:
2557 if (op->type != PLAYER)
2558 return 0;
2559 if( ! EXIT_PATH (tmp) || !is_legal_2ways_exit(op,tmp)) {
2560 new_draw_info_format(NDI_UNIQUE, 0, op, "The %s is closed.",
2561 query_name(tmp));
2562 } else {
2563 /* Don't display messages for random maps. */
2564 if (tmp->msg && strncmp(EXIT_PATH(tmp),"/!",2) &&
2565 strncmp(EXIT_PATH(tmp), "/random/", 8))
2566 new_draw_info (NDI_NAVY, 0, op, tmp->msg);
2567 enter_exit(op,tmp);
2568 }
2569 return 1;
2570
2571 case SIGN:
2572 apply_sign (op, tmp, 0);
2573 return 1;
2574
2575 case BOOK:
2576 if (op->type == PLAYER) {
2577 apply_book (op, tmp);
2578 return 1;
2579 } else {
2580 return 0;
2581 }
2582
2583 case SKILLSCROLL:
2584 if (op->type == PLAYER) {
2585 apply_skillscroll (op, tmp);
2586 return 1;
2587 }
2588 return 0;
2589
2590 case SPELLBOOK:
2591 if (op->type == PLAYER) {
2592 apply_spellbook (op, tmp);
2593 return 1;
2594 }
2595 return 0;
2596
2597 case SCROLL:
2598 apply_scroll (op, tmp, 0);
2599 return 1;
2600
2601 case POTION:
2602 (void) apply_potion(op, tmp);
2603 return 1;
2604
2605 /* Eneq(@csd.uu.se): Handle apply on containers. */
2606 case CLOSE_CON:
2607 if (op->type==PLAYER)
2608 (void) esrv_apply_container (op, tmp->env);
2609 else
2610 (void) apply_container (op, tmp->env);
2611 return 1;
2612
2613 case CONTAINER:
2614 if (op->type==PLAYER)
2615 (void) esrv_apply_container (op, tmp);
2616 else
2617 (void) apply_container (op, tmp);
2618 return 1;
2619
2620 case TREASURE:
2621 if (op->type == PLAYER) {
2622 apply_treasure (op, tmp);
2623 return 1;
2624 } else {
2625 return 0;
2626 }
2627
2628 case WEAPON:
2629 case ARMOUR:
2630 case BOOTS:
2631 case GLOVES:
2632 case AMULET:
2633 case GIRDLE:
2634 case BRACERS:
2635 case SHIELD:
2636 case HELMET:
2637 case RING:
2638 case CLOAK:
2639 case WAND:
2640 case ROD:
2641 case HORN:
2642 case SKILL:
2643 case BOW:
2644 case LAMP:
2645 case BUILDER:
2646 case SKILL_TOOL:
2647 if (tmp->env != op)
2648 return 2; /* not in inventory */
2649 (void) apply_special (op, tmp, aflag);
2650 return 1;
2651
2652 case DRINK:
2653 case FOOD:
2654 case FLESH:
2655 apply_food (op, tmp);
2656 return 1;
2657
2658 case POISON:
2659 apply_poison (op, tmp);
2660 return 1;
2661
2662 case SAVEBED:
2663 if (op->type == PLAYER) {
2664 apply_savebed (op);
2665 return 1;
2666 } else {
2667 return 0;
2668 }
2669
2670 case ARMOUR_IMPROVER:
2671 if (op->type == PLAYER) {
2672 apply_armour_improver (op, tmp);
2673 return 1;
2674 } else {
2675 return 0;
2676 }
2677
2678 case WEAPON_IMPROVER:
2679 (void) check_improve_weapon(op, tmp);
2680 return 1;
2681
2682 case CLOCK:
2683 if (op->type == PLAYER) {
2684 char buf[MAX_BUF];
2685 timeofday_t tod;
2686
2687 get_tod(&tod);
2688 sprintf(buf, "It is %d minute%s past %d o'clock %s",
2689 tod.minute+1, ((tod.minute+1 < 2) ? "" : "s"),
2690 ((tod.hour % 14 == 0) ? 14 : ((tod.hour)%14)),
2691 ((tod.hour >= 14) ? "pm" : "am"));
2692 play_sound_player_only(op->contr, SOUND_CLOCK,0,0);
2693 new_draw_info(NDI_UNIQUE, 0,op, buf);
2694 return 1;
2695 } else {
2696 return 0;
2697 }
2698
2699 case MENU:
2700 if (op->type == PLAYER) {
2701 shop_listing (op);
2702 return 1;
2703 } else {
2704 return 0;
2705 }
2706
2707 case POWER_CRYSTAL:
2708 apply_power_crystal(op,tmp); /* see egoitem.c */
2709 return 1;
2710
2711 case LIGHTER: /* for lighting torches/lanterns/etc */
2712 if (op->type == PLAYER) {
2713 apply_lighter(op,tmp);
2714 return 1;
2715 } else {
2716 return 0;
2717 }
2718
2719 case ITEM_TRANSFORMER:
2720 apply_item_transformer( op, tmp );
2721 return 1;
2722
2723 default:
2724 return 0;
2725 }
2726}
2727
2728
2729/* quiet suppresses the "don't know how to apply" and "you must get it first"
2730 * messages as needed by player_apply_below(). But there can still be
2731 * "but you are floating high above the ground" messages.
2732 *
2733 * Same return value as apply() function.
2734 */
2735int player_apply (object *pl, object *op, int aflag, int quiet)
2736{
2737 int tmp;
2738
2739 if (op->env == NULL && (pl->move_type & MOVE_FLYING)) {
2740 /* player is flying and applying object not in inventory */
2741 if ( ! QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING)) {
2742 new_draw_info (NDI_UNIQUE, 0, pl, "But you are floating high "
2743 "above the ground!");
2744 return 0;
2745 }
2746 }
2747
2748 /* Check for PLAYER to avoid a DM to disappear in a puff of smoke if
2749 * applied.
2750 */
2751 if (op->type != PLAYER && QUERY_FLAG (op, FLAG_WAS_WIZ) && ! QUERY_FLAG (pl, FLAG_WAS_WIZ))
2752 {
2753 play_sound_map (pl->map, pl->x, pl->y, SOUND_OB_EVAPORATE);
2754 new_draw_info (NDI_UNIQUE, 0, pl, "The object disappears in a puff "
2755 "of smoke!");
2756 new_draw_info (NDI_UNIQUE, 0, pl, "It must have been an illusion.");
2757 remove_ob (op);
2758 free_object (op);
2759 return 1;
2760 }
2761
2762 pl->contr->last_used = op;
2763 pl->contr->last_used_id = op->count;
2764
2765 tmp = manual_apply (pl, op, aflag);
2766 if ( ! quiet) {
2767 if (tmp == 0)
2768 new_draw_info_format (NDI_UNIQUE, 0, pl,
2769 "I don't know how to apply the %s.",
2770 query_name (op));
2771 else if (tmp == 2)
2772 new_draw_info_format (NDI_UNIQUE, 0, pl,
2773 "You must get it first!\n");
2774 }
2775 return tmp;
2776}
2777
2778/**
2779 * player_apply_below attempts to apply the object 'below' the player.
2780 * If the player has an open container, we use that for below, otherwise
2781 * we use the ground.
2782 */
2783
2784void player_apply_below (object *pl)
2785{
2786 object *tmp, *next;
2787 int floors;
2788
2789 if (pl->contr->transport && pl->contr->transport->type == TRANSPORT) {
2790 apply_transport(pl, pl->contr->transport, 0);
2791 return;
2792 }
2793
2794 /* If using a container, set the starting item to be the top
2795 * item in the container. Otherwise, use the map.
2796 */
2797 tmp = (pl->container != NULL) ? pl->container->inv : pl->below;
2798
2799 /* This is perhaps more complicated. However, I want to make sure that
2800 * we don't use a corrupt pointer for the next object, so we get the
2801 * next object in the stack before applying. This is can only be a
2802 * problem if player_apply() has a bug in that it uses the object but does
2803 * not return a proper value.
2804 */
2805 for (floors = 0; tmp!=NULL; tmp=next) {
2806 next = tmp->below;
2807 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2808 floors++;
2809 else if (floors > 0)
2810 return; /* process only floor objects after first floor object */
2811
2812 /* If it is visible, player can apply it. If it is applied by
2813 * person moving on it, also activate. Added code to make it
2814 * so that at least one of players movement types be that which
2815 * the item needs.
2816 */
2817 if ( ! tmp->invisible || (tmp->move_on & pl->move_type)) {
2818 if (player_apply (pl, tmp, 0, 1) == 1)
2819 return;
2820 }
2821 if (floors >= 2)
2822 return; /* process at most two floor objects */
2823 }
2824} 1027}
2825 1028
2826/** 1029/**
2827 * Unapplies specified item. 1030 * Unapplies specified item.
2828 * No check done on cursed/damned. 1031 * No check done on cursed/damned.
2829 * Break this out of apply_special - this is just done 1032 * Break this out of apply_special - this is just done
2830 * 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.
2831 */ 1034 */
1035static bool
2832static int unapply_special (object *who, object *op, int aflags) 1036unapply_special (object *who, object *op, int aflags)
2833{ 1037{
2834 object *tmp2; 1038 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
1039 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
1040 return RESULT_INT (0);
2835 1041
2836 CLEAR_FLAG(op, FLAG_APPLIED); 1042 if (who->current_weapon == op)
2837 switch(op->type) {
2838 case WEAPON:
2839 new_draw_info_format(NDI_UNIQUE, 0, who, "You unwield %s.",query_name(op));
2840
2841 (void) change_abil (who,op);
2842 if(QUERY_FLAG(who,FLAG_READY_WEAPON))
2843 CLEAR_FLAG(who,FLAG_READY_WEAPON);
2844 /* GROS: update the current_weapon_script field (used with script_attack for weapons) */
2845 who->current_weapon_script = NULL;
2846 who->current_weapon = NULL; 1043 who->current_weapon = 0;
2847 clear_skill(who);
2848 break;
2849 1044
2850 case SKILL: /* allows objects to impart skills */ 1045 op->flag [FLAG_APPLIED] = false;
2851 case SKILL_TOOL:
2852 if (op != who->chosen_skill) {
2853 LOG (llevError, "BUG: apply_special(): applied skill is not a chosen skill\n");
2854 }
2855 if (who->type==PLAYER) {
2856 if (who->contr->shoottype == range_skill)
2857 who->contr->shoottype = range_none;
2858 if ( ! op->invisible) {
2859 new_draw_info_format (NDI_UNIQUE, 0, who,
2860 "You stop using the %s.", query_name(op));
2861 } else {
2862 new_draw_info_format (NDI_UNIQUE, 0, who,
2863 "You can no longer use the skill: %s.",
2864 op->skill);
2865 }
2866 }
2867 (void) change_abil (who, op);
2868 who->chosen_skill = NULL;
2869 CLEAR_FLAG (who, FLAG_READY_SKILL);
2870 break;
2871 1046
2872 case ARMOUR: 1047 switch (op->type)
2873 case HELMET: 1048 {
2874 case SHIELD: 1049 case SKILL:
2875 case RING: 1050 if (player *pl = who->contr)
2876 case BOOTS: 1051 if (op->invisible)
2877 case GLOVES: 1052 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
2878 case AMULET: 1053 else
2879 case GIRDLE: 1054 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
2880 case BRACERS:
2881 case CLOAK:
2882 new_draw_info_format(NDI_UNIQUE, 0, who, "You unwear %s.",query_name(op));
2883 (void) change_abil (who,op);
2884 break;
2885 case LAMP:
2886 new_draw_info_format(NDI_UNIQUE, 0, who, "You turn off your %s.",
2887 op->name);
2888 tmp2 = arch_to_object(op->other_arch);
2889 tmp2->x = op->x;
2890 tmp2->y = op->y;
2891 tmp2->map = op->map;
2892 tmp2->below = op->below;
2893 tmp2->above = op->above;
2894 tmp2->stats.food = op->stats.food;
2895 CLEAR_FLAG(tmp2, FLAG_APPLIED);
2896 if (QUERY_FLAG(op, FLAG_INV_LOCKED))
2897 SET_FLAG(tmp2, FLAG_INV_LOCKED);
2898 if (who->type == PLAYER)
2899 esrv_del_item(who->contr, (tag_t)op->count);
2900 remove_ob(op);
2901 free_object(op);
2902 insert_ob_in_ob(tmp2, who);
2903 fix_player(who);
2904 if (QUERY_FLAG(op, FLAG_CURSED) || QUERY_FLAG(op, FLAG_DAMNED)) {
2905 if (who->type == PLAYER) {
2906 new_draw_info(NDI_UNIQUE, 0,who, "Oops, it feels deadly cold!");
2907 SET_FLAG(tmp2, FLAG_KNOWN_CURSED);
2908 }
2909 }
2910 if(who->type==PLAYER)
2911 esrv_send_item(who, tmp2);
2912 return 1; /* otherwise, an attempt to drop causes problems */
2913 break;
2914 case BOW:
2915 case WAND:
2916 case ROD:
2917 case HORN:
2918 clear_skill(who);
2919 new_draw_info_format(NDI_UNIQUE, 0, who, "You unready %s.",query_name(op));
2920 if(who->type==PLAYER) {
2921 who->contr->shoottype = range_none;
2922 } else {
2923 if (op->type == BOW)
2924 CLEAR_FLAG (who, FLAG_READY_BOW);
2925 else
2926 CLEAR_FLAG(who, FLAG_READY_RANGE);
2927 }
2928 break;
2929 1055
2930 case BUILDER: 1056 change_abil (who, op);
2931 new_draw_info_format(NDI_UNIQUE, 0, who, "You unready %s.",query_name(op)); 1057 who->flag [FLAG_READY_SKILL] = false;
2932 who->contr->shoottype = range_none;
2933 who->contr->ranges[ range_builder ] = NULL;
2934 break; 1058 break;
2935 1059
2936 default: 1060 case WEAPON:
2937 new_draw_info_format(NDI_UNIQUE, 0, who, "You unapply %s.",query_name(op)); 1061 who->statusmsg (format ("You unwield %s.", query_name (op)));
1062 change_abil (who, op);
1063 who->flag [FLAG_READY_WEAPON] = false;
1064
1065 // unapplying a weapon or skill tool should also unapply the skill it governs
1066 // but this is hard, as it shouldn't do so when the skill can
1067 // be used for other reasons
1068 //TODO: really?
1069 if (who->chosen_skill)
1070 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
1071 unapply_special (who, who->chosen_skill, 0);
1072
2938 break; 1073 break;
2939 }
2940 1074
2941 fix_player(who); 1075 case RANGED:
2942 1076 case BOW:
2943 if ( ! (aflags & AP_NO_MERGE)) { 1077 case WAND:
2944 object *tmp; 1078 case ROD:
2945 1079 case HORN:
2946 tag_t del_tag = op->count; 1080 if (player *pl = who->contr)
2947 tmp = merge_ob (op, NULL); 1081 {
2948 if (who->type == PLAYER) { 1082 who->statusmsg (format ("You unready %s.", query_name (op)));
2949 if (tmp) { /* it was merged */ 1083 change_abil (who, op);
2950 esrv_del_item (who->contr, del_tag);
2951 op = tmp;
2952 } 1084 }
1085 else
1086 {
1087 if (op->type == BOW)
1088 op->flag [FLAG_READY_BOW ] = false;
1089 else
1090 op->flag [FLAG_READY_RANGE] = false;
1091 }
1092
1093 break;
1094
1095 case ARMOUR:
1096 case HELMET:
1097 case SHIELD:
1098 case RING:
1099 case BOOTS:
1100 case GLOVES:
1101 case AMULET:
1102 case GIRDLE:
1103 case BRACERS:
1104 case CLOAK:
1105 who->statusmsg (format ("You unwear %s.", query_name (op)));
1106 change_abil (who, op);
1107 break;
1108
1109 case SPELL:
1110 case BUILDER:
1111 who->statusmsg (format ("You unready %s.", query_name (op)));
1112 break;
1113
1114 //case SKILL_TOOL://TODO
1115 default:
1116 who->statusmsg (format ("You unapply %s.", query_name (op)));
1117 break;
1118 }
1119
1120 if (aflags & AP_NO_MERGE || !merge_ob (op, 0))
1121 if (object *pl = op->visible_to ())
2953 esrv_send_item (who, op); 1122 esrv_send_item (pl, op);
2954 } 1123
2955 } 1124 who->update_stats ();
1125
2956 return 0; 1126 return 1;
2957} 1127}
2958 1128
2959/** 1129/**
2960 * Returns the object that is using location 'loc'. 1130 * Returns the object that is using location 'loc'.
2961 * Note that 'start' is the first object to start examing - we 1131 * Note that 'start' is the first object to start examing - we
2962 * then go through the below of this. In this way, you can do 1132 * then go through the below of this. In this way, you can do
2963 * something like: 1133 * something like:
2964 * tmp = get_item_from_body_location(who->inv, 1); 1134 * tmp = get_next_item_from_body_location(who->inv, 1);
2965 * if (tmp) tmp1 = get_item_from_body_location(tmp->below, 1); 1135 * if (tmp) tmp1 = get_next_item_from_body_location(tmp->below, 1);
2966 * to find the second object that may use this location, etc. 1136 * to find the second object that may use this location, etc.
2967 * Returns NULL if no match is found. 1137 * Returns NULL if no match is found.
2968 * loc is the index into the array we are looking for a match. 1138 * loc is the index into the array we are looking for a match.
2969 * don't return invisible objects unless they are skill objects 1139 * don't return invisible objects unless they are skill objects
2970 * invisible other objects that use 1140 * invisible other objects that use
2971 * up body locations can be used as restrictions. 1141 * up body locations can be used as restrictions.
2972 */ 1142 */
2973object *get_item_from_body_location(object *start, int loc) 1143static object *
1144get_next_item_from_body_location (int loc, object *start)
2974{ 1145{
2975 object *tmp;
2976
2977 if (!start) return NULL;
2978
2979 for (tmp=start; tmp; tmp=tmp->below) 1146 for (object *tmp = start; tmp; tmp = tmp->below)
2980 if (QUERY_FLAG(tmp, FLAG_APPLIED) && tmp->body_info[loc] && 1147 if (tmp->flag [FLAG_APPLIED]
2981 (!tmp->invisible || tmp->type==SKILL)) return tmp; 1148 && tmp->slot [loc].info
1149 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
1150 return tmp;
2982 1151
2983 return NULL; 1152 return 0;
2984} 1153}
2985
2986
2987 1154
2988/** 1155/**
2989 * 'op' wants to apply an object, but can't because of other equipment. 1156 * 'op' wants to apply an object, but can't because of other equipment.
2990 * This should only be called when it is known 1157 * This should only be called when it is known
2991 * that there are objects to unapply. This makes pretty heavy 1158 * that there are objects to unapply. This makes pretty heavy
… …
2994 * Returns 0 on success, returns 1 if there is some problem. 1161 * Returns 0 on success, returns 1 if there is some problem.
2995 * if aflags is AP_PRINT, we instead print out waht to unapply 1162 * if aflags is AP_PRINT, we instead print out waht to unapply
2996 * instead of doing it. This is a lot less code than having 1163 * instead of doing it. This is a lot less code than having
2997 * another function that does just that. 1164 * another function that does just that.
2998 */ 1165 */
1166
1167#define CANNOT_REMOVE_CURSED \
1168 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \
1169 "Praying over an altar, scrolls of remove curse/damnation, " \
1170 "priests or even other players might help.>"
1171
1172static bool
2999int unapply_for_ob(object *who, object *op, int aflags) 1173unapply_for_ob (object *who, object *op, int aflags)
3000{ 1174{
3001 int i; 1175 if (op->is_range ())
3002 object *tmp=NULL, *last;
3003
3004 /* If we are applying a shield or weapon, unapply any equipped shield
3005 * or weapons first - only allowed to use one weapon/shield at a time.
3006 */
3007 if (op->type == WEAPON || op->type == SHIELD) {
3008 for (tmp=who->inv; tmp; tmp=tmp->below) { 1176 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3009 if (QUERY_FLAG(tmp, FLAG_APPLIED) && tmp->type == op->type) { 1177 if (tmp->flag [FLAG_APPLIED] && tmp->is_range ())
3010 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || 1178 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!tmp->flag [FLAG_CURSED] && !tmp->flag [FLAG_DAMNED]))
3011 (!QUERY_FLAG(tmp, FLAG_CURSED) && !QUERY_FLAG(tmp, FLAG_DAMNED))) { 1179 {
3012 if (aflags & AP_PRINT) 1180 if (aflags & AP_PRINT)
3013 new_draw_info(NDI_UNIQUE, 0, who, query_name(tmp)); 1181 who->failmsg (query_name (tmp));
3014 else 1182 else
3015 unapply_special(who, tmp, aflags); 1183 unapply_special (who, tmp, aflags);
3016 } 1184 }
3017 else { 1185 else
1186 {
3018 /* 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.
3019 * 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
3020 * at least generate the message. 1189 * at least generate the message.
3021 */ 1190 */
3022 new_draw_info_format(NDI_UNIQUE, 0, who, 1191 who->failmsgf ("No matter how hard you try, you just can't remove the %s." CANNOT_REMOVE_CURSED, query_name (tmp));
3023 "No matter how hard you try, you just can't\nremove %s.", 1192 return 1;
3024 query_name(tmp)); 1193 }
3025 return 1;
3026 }
3027 1194
3028 }
3029 }
3030 }
3031
3032 for (i=0; i<NUM_BODY_LOCATIONS; i++) { 1195 for (int i = 0; i < NUM_BODY_LOCATIONS; i++)
1196 {
3033 /* this used up a slot that we need to free */ 1197 /* this used up a slot that we need to free */
3034 if (op->body_info[i]) { 1198 if (op->slot[i].info)
3035 last = who->inv; 1199 {
1200 object *last = who->inv;
3036 1201
3037 /* We do a while loop - may need to remove several items in order 1202 /* We do a while loop - may need to remove several items in order
3038 * to free up enough slots. 1203 * to free up enough slots.
3039 */ 1204 */
3040 while ((who->body_used[i] + op->body_info[i]) < 0) { 1205 while ((who->slot[i].used + op->slot[i].info) < 0)
3041 tmp = get_item_from_body_location(last, i); 1206 {
3042 if (!tmp) { 1207 object *tmp = get_next_item_from_body_location (i, last);
1208
1209 if (!tmp)
1210 {
3043#if 0 1211#if 0
3044 /* Not a bug - we'll get this if the player has cursed items 1212 /* Not a bug - we'll get this if the player has cursed items
3045 * equipped. 1213 * equipped.
3046 */ 1214 */
3047 LOG(llevError,"Can't find object using location %d (%s) on %s\n", 1215 LOG (llevError, "Can't find object using location %d (%s) on %s\n", i, body_locations[i].save_name, who->name);
3048 i, body_locations[i].save_name, who->name);
3049#endif 1216#endif
3050 return 1; 1217 return 1;
3051 } 1218 }
1219
3052 /* 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 */
3053 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || 1221 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!(tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])))
3054 (!(QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)))) { 1222 {
3055 if (aflags & AP_PRINT) 1223 if (aflags & AP_PRINT)
3056 new_draw_info(NDI_UNIQUE, 0, who, query_name(tmp)); 1224 who->failmsg (query_name (tmp));
3057 else 1225 else
3058 unapply_special(who, tmp, aflags); 1226 unapply_special (who, tmp, aflags);
3059 } 1227 }
3060 else { 1228 else
1229 {
3061 /* Cursed item that we can't unequip - tell the player. 1230 /* Cursed item that we can't unequip - tell the player.
3062 * 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,
3063 * 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
3064 * one cursed ring.) 1233 * one cursed ring.)
3065 */ 1234 */
3066 new_draw_info_format(NDI_UNIQUE, 0, who, "The %s just won't come off", query_name(tmp)); 1235 who->failmsgf ("The %s just won't come off." CANNOT_REMOVE_CURSED, query_name (tmp));
3067 } 1236 }
3068 last = tmp->below; 1237
3069 } 1238 last = tmp->below;
1239 }
3070 /* 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
3071 * return in the !tmp would have kicked in. 1241 * return in the !tmp would have kicked in.
3072 */ 1242 */
3073 } /* if op is using this body location */ 1243 } /* if op is using this body location */
3074 } /* for body lcoations */ 1244 } /* for body lcoations */
1245
3075 return 0; 1246 return 0;
3076} 1247}
3077 1248
3078/** 1249/**
3079 * Checks to see if 'who' can apply object 'op'. 1250 * Checks to see if 'who' can apply object 'op'.
3080 * Returns 0 if apply can be done without anything special. 1251 * Returns 0 if apply can be done without anything special.
3081 * Otherwise returns a bitmask - potentially several of these may be 1252 * Otherwise returns a bitmask - potentially several of these may be
3082 * set, but largely depends on circumstance - in the future, processing 1253 * set, but largely depends on circumstance - in the future, processing
3083 * may be pruned once we know some status (eg, once CAN_APPLY_NEVER 1254 * may be pruned once we know some status (eg, once CAN_APPLY_NEVER
3084 * is set, do we really are what the other flags may be?) 1255 * is set, do we really care what the other flags may be?)
3085 * 1256 *
3086 * See include/define.h for detailed description of the meaning of 1257 * See include/define.h for detailed description of the meaning of
3087 * these return values. 1258 * these return values.
3088 */ 1259 */
1260int
3089int can_apply_object(object *who, object *op) 1261can_apply_object (object *who, object *op)
3090{ 1262{
1263 if (INVOKE_OBJECT (CAN_BE_APPLIED, op, ARG_OBJECT (who)) || INVOKE_OBJECT (CAN_APPLY, who, ARG_OBJECT (op)))
1264 return RESULT_INT (0);
1265
3091 int i, retval=0; 1266 int retval = 0;
3092 object *tmp=NULL, *ws=NULL; 1267 object *tmp = 0, *ws = 0;
3093 1268
3094 /* Players have 2 'arm's, so they could in theory equip 2 shields or
3095 * 2 weapons, but we don't want to let them do that. So if they are
3096 * trying to equip a weapon or shield, see if they already have one
3097 * in place and store that way.
3098 */
3099 if (op->type == WEAPON || op->type == SHIELD) {
3100 for (tmp=who->inv; tmp && !ws; tmp=tmp->below) {
3101 if (QUERY_FLAG(tmp, FLAG_APPLIED) && tmp->type == op->type) {
3102 retval = CAN_APPLY_UNAPPLY;
3103 ws = tmp;
3104 }
3105 }
3106 }
3107
3108
3109 for (i=0; i<NUM_BODY_LOCATIONS; i++) { 1269 for (int i = 0; i < NUM_BODY_LOCATIONS; i++)
3110 if (op->body_info[i]) { 1270 {
1271 if (op->slot[i].info)
1272 {
3111 /* Item uses more slots than we have */ 1273 /* Item uses more slots than we have */
3112 if (FABS(op->body_info[i]) > who->body_info[i]) { 1274 if (who->slot[i].info + op->slot [i].info < 0)
1275 {
3113 /* Could return now for efficiently - rest of info below isn' 1276 /* Could return now for efficiency - rest of info below isn't
3114 * really needed. 1277 * really needed.
3115 */ 1278 */
3116 retval |= CAN_APPLY_NEVER; 1279 retval |= CAN_APPLY_NEVER;
3117 } else if ((who->body_used[i] + op->body_info[i]) < 0) { 1280 }
1281 else if (who->slot[i].used + op->slot[i].info < 0)
1282 {
3118 /* in this case, equipping this would use more free spots than 1283 /* in this case, equipping this would use more free spots than
3119 * we have. 1284 * we have.
3120 */ 1285 */
3121 object *tmp1;
3122 1286
3123
3124 /* if we have an applied weapon/shield, and unapply it would free 1287 /* if we have an applied weapon/shield, and unapply it would free
3125 * enough slots to equip the new item, then just set this can 1288 * enough slots to equip the new item, then just set "can
3126 * continue. We don't care about the logic below - if you have 1289 * apply unapply". We don't care about the logic below - if you have a
3127 * shield equipped and try to equip another shield, there is only 1290 * shield equipped and try to equip another shield, there is only
3128 * one choice. However, the check for the number of body locations 1291 * one choice. However, the check for the number of body locations
3129 * does take into the account cases where what is being applied 1292 * does take into the account cases where what is being applied
3130 * may be two handed for example. 1293 * may be two handed for example.
3131 */ 1294 */
3132 if (ws) { 1295 if (ws)
3133 if ((who->body_used[i] - ws->body_info[i] + op->body_info[i]) >=0) { 1296 if ((who->slot[i].used - ws->slot[i].info + op->slot[i].info) >= 0)
3134 retval |= CAN_APPLY_UNAPPLY; 1297 {
3135 continue; 1298 retval |= CAN_APPLY_UNAPPLY;
3136 } 1299 continue;
3137 } 1300 }
3138 1301
3139 tmp1 = get_item_from_body_location(who->inv, i); 1302 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3140 if (!tmp1) { 1303 if (!tmp1)
3141#if 0
3142 /* This is sort of an error, but happens a lot when old players
3143 * join in with more stuff equipped than they are now allowed.
3144 */
3145 LOG(llevError,"Can't find object using location %d on %s\n",
3146 i, who->name);
3147#endif
3148 retval |= CAN_APPLY_NEVER; 1304 retval |= CAN_APPLY_NEVER;
3149 } else { 1305 else
1306 {
3150 /* need to unapply something. However, if this something 1307 /* need to unapply something. However, if this something
3151 * is different than we had found before, it means they need 1308 * is different than we had found before, it means they need
3152 * to apply multiple objects 1309 * to apply multiple objects
3153 */ 1310 */
3154 retval |= CAN_APPLY_UNAPPLY; 1311 retval |= CAN_APPLY_UNAPPLY;
3155 if (!tmp) tmp = tmp1; 1312
3156 else if (tmp != tmp1) { 1313 if (!tmp)
3157 retval |= CAN_APPLY_UNAPPLY_MULT; 1314 tmp = tmp1;
3158 } 1315 else if (tmp != tmp1)
1316 retval |= CAN_APPLY_UNAPPLY_MULT;
1317
3159 /* This object isn't using up all the slots, so there must 1318 /* This object isn't using up all the slots, so there must
3160 * be another. If so, and it the new item doesn't need all 1319 * be another. If so, and it the new item doesn't need all
3161 * the slots, the player then has a choice. 1320 * the slots, the player then has a choice.
3162 */ 1321 */
3163 if (((who->body_used[i] - tmp1->body_info[i]) != who->body_info[i]) && 1322 if ((who->slot[i].used - tmp1->slot[i].info != who->slot[i].info)
3164 (FABS(op->body_info[i]) < who->body_info[i])) 1323 && abs (op->slot[i].info) < who->slot[i].info)
3165 retval |= CAN_APPLY_UNAPPLY_CHOICE; 1324 retval |= CAN_APPLY_UNAPPLY_CHOICE;
3166 1325
3167 /* Does unequippint 'tmp1' free up enough slots for this to be 1326 /* Does unequippint 'tmp1' free up enough slots for this to be
3168 * equipped? If not, there must be something else to unapply. 1327 * equipped? If not, there must be something else to unapply.
3169 */ 1328 */
3170 if ((who->body_used[i] + op->body_info[i] - tmp1->body_info[i]) < 0) 1329 if (who->slot[i].used + op->slot[i].info < tmp1->slot[i].info)
3171 retval |= CAN_APPLY_UNAPPLY_MULT; 1330 retval |= CAN_APPLY_UNAPPLY_MULT;
3172 1331 }
3173 } 1332 } /* if not enough free slots */
3174 } /* if not enough free slots */ 1333 } /* if this object uses location i */
3175 } /* if this object uses location i */
3176 } /* for i -> num_body_locations loop */ 1334 } /* for i -> num_body_locations loop */
3177 1335
3178 /* Note that we don't check for FLAG_USE_ARMOUR - that should 1336 /* Note that we don't check for FLAG_USE_ARMOUR - that should
3179 * really be controlled by use of body locations. We do have 1337 * really be controlled by use of body locations. We do have
3180 * the weapon/shield checks, and the range checks for monsters, 1338 * the weapon/shield checks, and the range checks for monsters,
3181 * 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,
3182 * 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
3183 * all use the same location. 1341 * all use the same location.
3184 */ 1342 */
3185 if (op->type == WEAPON && !QUERY_FLAG(who,FLAG_USE_WEAPON)) 1343 if (op->type == WEAPON && !who->flag [FLAG_USE_WEAPON])
3186 retval |= CAN_APPLY_RESTRICTION;
3187 if (op->type == SHIELD && !QUERY_FLAG(who,FLAG_USE_SHIELD))
3188 retval |= CAN_APPLY_RESTRICTION;
3189
3190
3191 if (who->type != PLAYER) {
3192 if ((op->type == WAND || op->type == HORN || op->type==ROD)
3193 && !QUERY_FLAG(who, FLAG_USE_RANGE))
3194 retval |= CAN_APPLY_RESTRICTION;
3195 if (op->type == BOW && !QUERY_FLAG(who, FLAG_USE_BOW))
3196 retval |= CAN_APPLY_RESTRICTION; 1344 retval |= CAN_APPLY_RESTRICTION;
3197 if (op->type == RING && !QUERY_FLAG(who, FLAG_USE_RING)) 1345
1346 if (op->type == SHIELD && !who->flag [FLAG_USE_SHIELD])
3198 retval |= CAN_APPLY_RESTRICTION; 1347 retval |= CAN_APPLY_RESTRICTION;
3199 if (op->type == BOW && !QUERY_FLAG(who, FLAG_USE_BOW)) 1348
1349 if (who->type != PLAYER)
1350 {
1351 if ((op->type == WAND || op->type == HORN || op->type == ROD) && !who->flag [FLAG_USE_RANGE])
3200 retval |= CAN_APPLY_RESTRICTION; 1352 retval |= CAN_APPLY_RESTRICTION;
1353
1354 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
1355 retval |= CAN_APPLY_RESTRICTION;
1356
1357 if (op->type == RING && !who->flag [FLAG_USE_RING])
1358 retval |= CAN_APPLY_RESTRICTION;
1359
1360 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
1361 retval |= CAN_APPLY_RESTRICTION;
3201 } 1362 }
1363
3202 return retval; 1364 return retval;
3203} 1365}
3204
3205
3206 1366
3207/** 1367/**
3208 * who is the object using the object. It can be a monster. 1368 * who is the object using the object. It can be a monster.
3209 * op is the object they are using. op is an equipment type item, 1369 * op is the object they are using. op is an equipment type item,
3210 * eg, one which you put on and keep on for a while, and not something 1370 * eg, one which you put on and keep on for a while, and not something
… …
3219 * AP_UNAPPLY=always unapply). 1379 * AP_UNAPPLY=always unapply).
3220 * 1380 *
3221 * Optional flags: 1381 * Optional flags:
3222 * AP_NO_MERGE: don't merge an unapplied object with other objects 1382 * AP_NO_MERGE: don't merge an unapplied object with other objects
3223 * AP_IGNORE_CURSE: unapply cursed items 1383 * AP_IGNORE_CURSE: unapply cursed items
1384 * AP_NO_READY: do not ready skills when applying skill tools
3224 * 1385 *
3225 * Usage example: apply_special (who, op, AP_UNAPPLY | AP_IGNORE_CURSE) 1386 * Usage example: apply_special (who, op, AP_UNAPPLY | AP_IGNORE_CURSE)
3226 * 1387 *
3227 * apply_special() doesn't check for unpaid items. 1388 * apply_special() doesn't check for unpaid items.
3228 */ 1389 */
1390
1391#define LACK_ITEM_POWER \
1392 " H<You lack enough unused item power to use this weapon, see the skills command.>"
1393
1394static bool
3229int apply_special (object *who, object *op, int aflags) 1395apply_special (object *who, object *op, int aflags)
3230{ 1396{
3231 int basic_flag = aflags & AP_BASIC_FLAGS; 1397 int basic_flag = aflags & AP_MODE;
3232 object *tmp, *tmp2, *skop=NULL; 1398 object *tmp, *skop = NULL;
3233 int i;
3234 1399
3235 if(who==NULL) {
3236 LOG(llevError,"apply_special() from object without environment.\n");
3237 return 1;
3238 }
3239
3240 if(op->env!=who)
3241 return 1; /* op is not in inventory */
3242
3243 /* trying to unequip op */ 1400 /* trying to unequip op */
3244 if (QUERY_FLAG(op,FLAG_APPLIED)) { 1401 if (op->flag [FLAG_APPLIED])
1402 {
3245 /* always apply, so no reason to unapply */ 1403 /* always apply, so no reason to unapply */
3246 if (basic_flag == AP_APPLY) return 0; 1404 if (basic_flag == AP_APPLY)
3247
3248 if ( ! (aflags & AP_IGNORE_CURSE)
3249 && (QUERY_FLAG(op, FLAG_CURSED) || QUERY_FLAG(op, FLAG_DAMNED))) {
3250 new_draw_info_format(NDI_UNIQUE, 0, who,
3251 "No matter how hard you try, you just can't\nremove %s.",
3252 query_name(op));
3253 return 1; 1405 return 0;
3254 } 1406
3255 return unapply_special(who, op, aflags); 1407 return unapply_special (who, op, aflags);
3256 } 1408 }
3257
3258 if (basic_flag == AP_UNAPPLY) return 0; 1409 else if (basic_flag == AP_UNAPPLY)
1410 return 0;
3259 1411
3260 i = can_apply_object(who, op); 1412 splay (op);
3261 1413
3262 /* 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 */
3263 if (i) { 1415 if (int i = can_apply_object (who, op))
1416 {
3264 if (i & CAN_APPLY_NEVER) { 1417 if (i & CAN_APPLY_NEVER)
3265 new_draw_info_format(NDI_UNIQUE, 0, who, "You don't have the body to use a %s\n", query_name(op)); 1418 {
1419 who->failmsgf ("You don't have the body to use a %s. H<You can never apply this item.>", query_name (op));
3266 return 1; 1420 return 1;
1421 }
3267 } else if (i & CAN_APPLY_RESTRICTION) { 1422 else if (i & CAN_APPLY_RESTRICTION)
3268 new_draw_info_format(NDI_UNIQUE, 0, who, "You have a prohibition against using a %s\n", query_name(op)); 1423 {
1424 who->failmsgf (
1425 "You have a prohibition against using a %s. "
1426 "H<Your belief, profession or class prevents you from applying this item.>",
1427 query_name (op)
1428 );
3269 return 1; 1429 return 1;
3270 } 1430 }
1431
3271 if (who->type != PLAYER) { 1432 if (who->type != PLAYER)
1433 {
3272 /* Some error, so don't try to equip something more */ 1434 /* Some error, so don't try to equip something more */
3273 if (unapply_for_ob(who, op, aflags)) return 1; 1435 if (unapply_for_ob (who, op, aflags))
3274 } else { 1436 return 1;
3275 if (who->contr->unapply == unapply_never || 1437 }
3276 (i & CAN_APPLY_UNAPPLY_CHOICE && who->contr->unapply == unapply_nochoice)) { 1438 else
3277 new_draw_info(NDI_UNIQUE, 0, who, "You need to unapply some item(s):"); 1439 {
1440 if (who->contr->unapply == unapply_never || (i & CAN_APPLY_UNAPPLY_CHOICE && who->contr->unapply == unapply_nochoice))
1441 {
1442 who->failmsg ("You need to unapply some of the following item(s) or change your applymode:");
3278 unapply_for_ob(who, op, AP_PRINT); 1443 unapply_for_ob (who, op, AP_PRINT);
3279 return 1; 1444 return 1;
3280 } 1445 }
3281 else if (who->contr->unapply == unapply_always || !(i & CAN_APPLY_UNAPPLY_CHOICE)) { 1446 else if (who->contr->unapply == unapply_always || !(i & CAN_APPLY_UNAPPLY_CHOICE))
3282 i = unapply_for_ob(who, op, aflags); 1447 if (unapply_for_ob (who, op, aflags))
3283 if (i) return 1; 1448 return 1;
1449 }
3284 } 1450 }
3285 } 1451
3286 }
3287 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) { 1452 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
1453 {
1454 // try to ready attached skill first
3288 skop=find_skill_by_name(who, op->skill); 1455 skop = find_skill_by_name (who, op->skill);
3289 if (!skop) { 1456
3290 new_draw_info_format(NDI_UNIQUE, 0, who, "You need the %s skill to use this item!", op->skill); 1457 if (!skop)
1458 {
1459 who->failmsgf ("You need the %s skill to use this item!", &op->skill);
1460 return 1;
1461 }
1462 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
1463 {
1464 who->failmsgf ("You can't use the required %s skill!", &op->skill);
1465 return 1;
1466 }
1467 }
1468
1469 if (!check_item_power (who, op->item_power))
1470 {
1471 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
3291 return 1; 1472 return 1;
3292 } else {
3293 /* While experience will be credited properly, we want to change the
3294 * skill so that the dam and wc get updated
3295 */
3296 change_skill(who, skop, 0);
3297 }
3298 } 1473 }
3299
3300 if (who->type == PLAYER && op->item_power &&
3301 (op->item_power + who->contr->item_power) > (settings.item_power_factor * who->level)) {
3302 new_draw_info(NDI_UNIQUE, 0, who, "Equipping that combined with other items would consume your soul!");
3303 return 1;
3304 }
3305
3306 1474
3307 /* 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.
3308 * Note that we don't have the checks for can_use_... 1476 * Note that we don't have the checks for can_use_...
3309 * below - that is already taken care of by can_apply_object. 1477 * below - that is already taken care of by can_apply_object.
3310 */ 1478 */
3311
3312 1479
3313 if(op->nrof > 1) 1480 // split away all the other items from the stack, so only one item is left
3314 tmp = get_split_ob(op,op->nrof - 1); 1481 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3315 else
3316 tmp = NULL;
3317 1482
1483 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
1484 return RESULT_INT (0);
1485
3318 switch(op->type) { 1486 switch (op->type)
1487 {
3319 case WEAPON: 1488 case WEAPON:
3320 if (!check_weapon_power(who, op->last_eat)) { 1489 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3321 new_draw_info(NDI_UNIQUE, 0,who, 1490 {
3322 "That weapon is too powerful for you to use.");
3323 new_draw_info(NDI_UNIQUE, 0, who, "It would consume your soul!.");
3324 if(tmp!=NULL)
3325 (void) insert_ob_in_ob(tmp,who);
3326 return 1;
3327 }
3328 if( op->level && (strncmp(op->name,who->name,strlen(who->name)))) {
3329 /* 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. */
3330 /* (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) */
3331 new_draw_info(NDI_UNIQUE, 0,who,"The weapon does not recognize you as its owner."); 1493 who->failmsg ("The weapon does not recognize you as its owner. "
3332 if(tmp!=NULL) 1494 "H<Its name indicates that it belongs to somebody else.>");
3333 (void) insert_ob_in_ob(tmp,who); 1495 if (tmp) who->insert (tmp);
3334 return 1; 1496 return 1;
3335 } 1497 }
3336 SET_FLAG(op, FLAG_APPLIED);
3337 1498
3338 if (skop) change_skill(who, skop, 1); 1499 op->flag [FLAG_APPLIED] = true;
3339 if(!QUERY_FLAG(who,FLAG_READY_WEAPON))
3340 SET_FLAG(who, FLAG_READY_WEAPON);
3341 1500
3342 new_draw_info_format(NDI_UNIQUE, 0, who, "You wield %s.",query_name(op)); 1501 if (player *pl = who->contr)
1502 {
1503 who->statusmsg (format ("You wield %s.", query_name (op)));
1504 change_abil (who, op);
1505 }
3343 1506
3344 (void) change_abil (who,op); 1507 op->flag [FLAG_READY_WEAPON] = true;
3345 /* GROS: update the current_weapon_script field (used with EVENT_ATTACK for weapons) */
3346 /*if ((evt = find_event(op, EVENT_ATTACK)) != NULL) {
3347 LOG(llevDebug, "Scripting Weapon wielded\n");
3348 if (who->current_weapon_script) free_string(who->current_weapon_script);
3349 who->current_weapon_script=add_string(query_name(op));
3350 }
3351 who->current_weapon = op;*/
3352 break;
3353
3354 case ARMOUR:
3355 case HELMET:
3356 case SHIELD:
3357 case BOOTS:
3358 case GLOVES:
3359 case GIRDLE:
3360 case BRACERS:
3361 case CLOAK:
3362 case RING:
3363 case AMULET:
3364 SET_FLAG(op, FLAG_APPLIED);
3365 new_draw_info_format(NDI_UNIQUE, 0, who, "You wear %s.",query_name(op));
3366 (void) change_abil (who,op);
3367 break;
3368 case LAMP:
3369 if (op->stats.food < 1) {
3370 new_draw_info_format(NDI_UNIQUE, 0, who, "Your %s is out of"
3371 " fuel!", op->name);
3372 return 1;
3373 }
3374 new_draw_info_format(NDI_UNIQUE, 0, who, "You turn on your %s.",
3375 op->name);
3376 tmp2 = arch_to_object(op->other_arch);
3377 tmp2->stats.food = op->stats.food;
3378 SET_FLAG(tmp2, FLAG_APPLIED);
3379 if (QUERY_FLAG(op, FLAG_INV_LOCKED))
3380 SET_FLAG(tmp2, FLAG_INV_LOCKED);
3381 insert_ob_in_ob(tmp2, who);
3382
3383 /* Remove the old lantern */
3384 if (who->type == PLAYER)
3385 esrv_del_item(who->contr, (tag_t)op->count);
3386 remove_ob(op);
3387 free_object(op);
3388
3389 /* insert the portion that was split off */
3390 if(tmp!=NULL) {
3391 (void) insert_ob_in_ob(tmp,who);
3392 if(who->type==PLAYER)
3393 esrv_send_item(who, tmp);
3394 }
3395 fix_player(who);
3396 if (QUERY_FLAG(op, FLAG_CURSED) || QUERY_FLAG(op, FLAG_DAMNED)) {
3397 if (who->type == PLAYER) {
3398 new_draw_info(NDI_UNIQUE, 0,who, "Oops, it feels deadly cold!");
3399 SET_FLAG(tmp2, FLAG_KNOWN_CURSED);
3400 }
3401 }
3402 if(who->type==PLAYER)
3403 esrv_send_item(who, tmp2);
3404 return 0;
3405 break;
3406
3407 /* this part is needed for skill-tools */
3408 case SKILL:
3409 case SKILL_TOOL:
3410 if (who->chosen_skill) {
3411 LOG (llevError, "BUG: apply_special(): can't apply two skills\n");
3412 return 1;
3413 }
3414 if (who->type == PLAYER) {
3415 who->contr->shoottype = range_skill;
3416 who->contr->ranges[range_skill] = op;
3417 if ( ! op->invisible) {
3418 new_draw_info_format (NDI_UNIQUE, 0, who, "You ready %s.",
3419 query_name (op));
3420 new_draw_info_format (NDI_UNIQUE, 0, who,
3421 "You can now use the skill: %s.",
3422 op->skill);
3423 } else {
3424 new_draw_info_format (NDI_UNIQUE, 0, who, "Readied skill: %s.",
3425 op->skill? op->skill:op->name);
3426 }
3427 }
3428 SET_FLAG (op, FLAG_APPLIED);
3429 (void) change_abil (who, op);
3430 who->chosen_skill = op;
3431 SET_FLAG (who, FLAG_READY_SKILL);
3432 break;
3433
3434 case BOW:
3435 if (!check_weapon_power(who, op->last_eat)) {
3436 new_draw_info(NDI_UNIQUE, 0, who,
3437 "That item is too powerful for you to use.");
3438 new_draw_info(NDI_UNIQUE, 0, who, "It would consume your soul!.");
3439 if(tmp != NULL)
3440 (void)insert_ob_in_ob(tmp,who);
3441 return 1;
3442 }
3443 if( op->level && (strncmp(op->name,who->name,strlen(who->name)))) {
3444 new_draw_info(NDI_UNIQUE, 0, who,
3445 "The weapon does not recognize you as its owner.");
3446 if(tmp != NULL)
3447 (void)insert_ob_in_ob(tmp,who);
3448 return 1;
3449 }
3450 /*FALLTHROUGH*/
3451 case WAND:
3452 case ROD:
3453 case HORN:
3454 /* check for skill, alter player status */
3455 SET_FLAG(op, FLAG_APPLIED);
3456 if (skop) change_skill(who, skop, 0);
3457 new_draw_info_format (NDI_UNIQUE, 0, who, "You ready %s.", query_name(op));
3458
3459 if(who->type==PLAYER) {
3460 if (op->type == BOW) {
3461 (void)change_abil(who, op);
3462 new_draw_info_format (NDI_UNIQUE, 0, who,
3463 "You will now fire %s with %s.",
3464 op->race ? op->race : "nothing", query_name(op));
3465 who->contr->shoottype = range_bow;
3466 } else {
3467 who->contr->shoottype = range_misc;
3468 }
3469 } else {
3470 if (op->type == BOW)
3471 SET_FLAG (who, FLAG_READY_BOW);
3472 else
3473 SET_FLAG (who, FLAG_READY_RANGE);
3474 }
3475 break;
3476
3477 case BUILDER:
3478 if ( who->contr->ranges[ range_builder ] )
3479 unapply_special( who, who->contr->ranges[ range_builder ], 0 );
3480 who->contr->shoottype = range_builder;
3481 who->contr->ranges[ range_builder ] = op;
3482 new_draw_info_format( NDI_UNIQUE, 0, who, "You ready your %s.", query_name( op ) );
3483 break; 1508 break;
3484 1509
3485 default: 1510 case ARMOUR:
3486 new_draw_info_format(NDI_UNIQUE, 0, who, "You apply %s.",query_name(op)); 1511 case HELMET:
3487 } /* end of switch op->type */ 1512 case SHIELD:
1513 case BOOTS:
1514 case GLOVES:
1515 case GIRDLE:
1516 case BRACERS:
1517 case CLOAK:
1518 case RING:
1519 case AMULET:
1520 op->set_flag (FLAG_APPLIED);
1521 who->statusmsg (format ("You wear %s.", query_name (op)));
1522 change_abil (who, op);
1523 break;
3488 1524
3489 SET_FLAG(op, FLAG_APPLIED); 1525 case SKILL_TOOL:
1526 // applying a skill tool does not ready the skill
1527 // if something needs the skill, it has to ready it itself
1528 //TODO: unapplying should unapply the skill, though
1529 op->set_flag (FLAG_APPLIED);
1530 break;
3490 1531
3491 if(tmp!=NULL) 1532 case SKILL:
3492 tmp = insert_ob_in_ob(tmp,who); 1533 if (who->contr)
1534 if (op->invisible)
1535 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
1536 else
1537 who->statusmsg (format ("You ready %s.", query_name (op)));
3493 1538
3494 fix_player(who); 1539 who->set_flag (FLAG_READY_SKILL);
1540 op->set_flag (FLAG_APPLIED);
1541 change_abil (who, op);
1542 break;
3495 1543
1544 case BOW:
1545 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
1546 {
1547 who->failmsg ("The weapon does not recognize you as its owner. "
1548 "H<Its name indicates that it belongs to somebody else.>");
1549 if (tmp) who->insert (tmp);
1550 return 1;
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;
1576
1577 /*FALLTHROUGH*/
1578 case WAND:
1579 case ROD:
1580 case HORN:
1581 op->flag [FLAG_APPLIED] = true;
1582
1583 if (player *pl = who->contr)
1584 {
1585 who->statusmsg (format ("You ready %s.", query_name (op)));
1586
1587 if (op->type == BOW)
1588 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
1589
1590 change_abil (who, op);
1591 }
1592 else
1593 {
1594 if (op->type == BOW)
1595 op->flag [FLAG_READY_BOW ] = true;
1596 else
1597 op->flag [FLAG_READY_RANGE] = true;
1598 }
1599
1600 break;
1601
1602 case BUILDER:
1603 if (player *pl = who->contr)
1604 {
1605 who->statusmsg (format ("You ready your %s.", query_name (op)));
1606 //TODO: change_abil?
1607 }
1608 break;
1609
1610 default:
1611 who->statusmsg (format ("You apply %s.", query_name (op)));
1612 }
1613
1614 op->set_flag (FLAG_APPLIED);
1615
1616 if (tmp) who->insert (tmp);
1617
1618 who->update_stats ();
1619
3496 /* We exclude spell casting objects. The fire code will set the 1620 /* We exclude spell casting objects. The fire code will set the
3497 * been applied flag when they are used - until that point, 1621 * been applied flag when they are used - until that point,
3498 * you don't know anything about them. 1622 * you don't know anything about them.
3499 */ 1623 */
3500 if (who->type == PLAYER && op->type!=WAND && op->type!=HORN && 1624 if (who->type == PLAYER && op->type != WAND && op->type != HORN && op->type != ROD)
3501 op->type!=ROD) 1625 op->set_flag (FLAG_BEEN_APPLIED);
3502 SET_FLAG(op,FLAG_BEEN_APPLIED);
3503 1626
3504 if (QUERY_FLAG(op, FLAG_CURSED) || QUERY_FLAG(op, FLAG_DAMNED)) { 1627 if (op->flag [FLAG_CURSED] || op->flag [FLAG_DAMNED])
3505 if (who->type == PLAYER) {
3506 new_draw_info(NDI_UNIQUE, 0,who, "Oops, it feels deadly cold!");
3507 SET_FLAG(op,FLAG_KNOWN_CURSED);
3508 }
3509 }
3510 if(who->type==PLAYER) { 1628 if (who->type == PLAYER)
3511 /* if multiple objects were applied, update both slots */ 1629 {
3512 if (tmp) 1630 who->failmsg (
3513 esrv_send_item(who, tmp); 1631 "Oops, it feels deadly cold! "
3514 esrv_send_item(who, op); 1632 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>"
1633 );
1634 op->set_flag (FLAG_KNOWN_CURSED);
3515 } 1635 }
1636
1637 if (object *pl = op->visible_to ())
1638 esrv_send_item (pl, op);
1639
1640 return 0;
1641}
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 */
1647int
1648should_director_abort (object *op, object *victim)
1649{
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)))
1682 return 1;
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)
3516 return 0; 1706 return 0;
3517}
3518 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;
3519 1713
3520int monster_apply_special (object *who, object *op, int aflags) 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)
3521{ 1770{
3522 if (QUERY_FLAG (op, FLAG_UNPAID) && ! QUERY_FLAG (op, FLAG_APPLIED)) 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 ();
3523 return 1; 1833 return 1;
3524 return apply_special (who, op, aflags); 1834 }
3525}
3526 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
3527/** 2000/**
3528 * Map was just loaded, handle op's initialisation. 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.
3529 * 2004 *
3530 * Generates shop floor's item, and treasures. 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.
3531 */ 2008 */
3532int auto_apply (object *op) { 2009void
3533 object *tmp = NULL, *tmp2; 2010move_apply (object *trap, object *victim, object *originator)
3534 int i; 2011{
2012 static int recursion_depth = 0;
3535 2013
3536 switch(op->type) { 2014 trap = trap->head_ ();
3537 case SHOP_FLOOR: 2015
3538 if (!HAS_RANDOM_ITEMS(op)) return 0; 2016 /* Only exits affect DMs. */
3539 do { 2017 if (victim->flag [FLAG_WIZPASS] && trap->type != EXIT && trap->type != SIGN)
3540 i=10; /* let's give it 10 tries */
3541 while((tmp=generate_treasure(op->randomitems,
3542 op->stats.exp?(int)op->stats.exp:MAX(op->map->difficulty, 5)))==NULL&&--i);
3543 if(tmp==NULL)
3544 return 0; 2018 return;
3545 if(QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)) { 2019
3546 free_object(tmp); 2020 /* move_apply() is the most likely candidate for causing unwanted and
3547 tmp = NULL; 2021 * possibly unlimited recursion.
3548 } 2022 */
3549 } while(!tmp); 2023
3550 tmp->x=op->x; 2024 /* The following was changed because it was causing perfectly correct
3551 tmp->y=op->y; 2025 * maps to fail. 1) it's not an error to recurse:
3552 SET_FLAG(tmp,FLAG_UNPAID); 2026 * rune detonates, summoning monster. monster lands on nearby rune.
3553 insert_ob_in_map(tmp,op->map,NULL,0); 2027 * nearby rune detonates. This sort of recursion is expected and
3554 CLEAR_FLAG(op,FLAG_AUTO_APPLY); 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])
3555 identify(tmp); 2508 identify (tmp);
3556 break;
3557 2509
3558 case TREASURE: 2510 /* I removed the check for special_prayer_mark here - it didn't make
3559 if (QUERY_FLAG(op,FLAG_IS_A_TEMPLATE)) 2511 * a lot of sense - special prayers are not found in spellbooks, and
3560 return 0; 2512 * if the player doesn't know the spell, doesn't make a lot of sense that
3561 while ((op->stats.hp--)>0) 2513 * they would have a special prayer mark.
3562 create_treasure(op->randomitems, op, op->map?GT_ENVIRONMENT:0,
3563 op->stats.exp ? (int)op->stats.exp :
3564 op->map == NULL ? 14: op->map->difficulty,0);
3565
3566 /* If we generated an object and put it in this object inventory,
3567 * move it to the parent object as the current object is about
3568 * to disappear. An example of this item is the random_* stuff
3569 * that is put inside other objects.
3570 */ 2514 */
3571 for (tmp=op->inv; tmp; tmp=tmp2) { 2515 if (check_spell_known (op, spell->name))
3572 tmp2 = tmp->below; 2516 {
3573 remove_ob(tmp); 2517 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
3574 if (op->env) insert_ob_in_ob(tmp, op->env); 2518 return;
3575 else free_object(tmp);
3576 } 2519 }
3577 remove_ob(op); 2520
3578 free_object(op); 2521 if (spell->skill)
3579 break;
3580 } 2522 {
3581 return tmp ? 1 : 0; 2523 spell_skill = find_skill_by_name (op, spell->skill);
3582}
3583 2524
3584/** 2525 if (!spell_skill)
3585 * fix_auto_apply goes through the entire map (only the first time 2526 {
3586 * when an original map is loaded) and performs special actions for 2527 op->failmsgf ("You lack the %s skill to use this spell.", &spell->skill);
3587 * certain objects (most initialization of chests and creation of 2528 return;
3588 * treasures and stuff). Calls auto_apply if appropriate. 2529 }
3589 */
3590 2530
3591void fix_auto_apply(mapstruct *m) { 2531 if (spell_skill->level < spell->level)
3592 object *tmp,*above=NULL; 2532 {
3593 int x,y; 2533 op->failmsgf ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill);
3594 2534 return;
3595 if(m==NULL) return; 2535 }
3596
3597 for(x=0;x<MAP_WIDTH(m);x++)
3598 for(y=0;y<MAP_HEIGHT(m);y++)
3599 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) {
3600 above=tmp->above;
3601
3602 if (tmp->inv) {
3603 object *invtmp, *invnext;
3604
3605 for (invtmp=tmp->inv; invtmp != NULL; invtmp = invnext) {
3606 invnext = invtmp->below;
3607
3608 if(QUERY_FLAG(invtmp,FLAG_AUTO_APPLY))
3609 auto_apply(invtmp);
3610 else if(invtmp->type==TREASURE && HAS_RANDOM_ITEMS(invtmp)) {
3611 while ((invtmp->stats.hp--)>0)
3612 create_treasure(invtmp->randomitems, invtmp, 0,
3613 m->difficulty,0);
3614 invtmp->randomitems = NULL;
3615 }
3616 else if (invtmp && invtmp->arch &&
3617 invtmp->type!=TREASURE &&
3618 invtmp->type != SPELL &&
3619 invtmp->type != CLASS &&
3620 HAS_RANDOM_ITEMS(invtmp)) {
3621 create_treasure(invtmp->randomitems, invtmp, 0,
3622 m->difficulty,0);
3623 /* Need to clear this so that we never try to create
3624 * treasure again for this object
3625 */
3626 invtmp->randomitems = NULL;
3627 }
3628 }
3629 /* This is really temporary - the code at the bottom will
3630 * also set randomitems to null. The problem is there are bunches
3631 * of maps/players already out there with items that have spells
3632 * which haven't had the randomitems set to null yet.
3633 * MSW 2004-05-13
3634 *
3635 * And if it's a spellbook, it's better to set randomitems to NULL too,
3636 * else you get two spells in the book ^_-
3637 * Ryo 2004-08-16
3638 */
3639 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL ||
3640 tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION ||
3641 tmp->type == ALTAR || tmp->type == SPELLBOOK)
3642 tmp->randomitems = NULL;
3643
3644 }
3645
3646 if(QUERY_FLAG(tmp,FLAG_AUTO_APPLY))
3647 auto_apply(tmp);
3648 else if((tmp->type==TREASURE || (tmp->type==CONTAINER))&& HAS_RANDOM_ITEMS(tmp)) {
3649 while ((tmp->stats.hp--)>0)
3650 create_treasure(tmp->randomitems, tmp, 0,
3651 m->difficulty,0);
3652 tmp->randomitems = NULL;
3653 }
3654 else if(tmp->type==TIMED_GATE) {
3655 object *head = tmp->head != NULL ? tmp->head : tmp;
3656 if (QUERY_FLAG(head, FLAG_IS_LINKED)) {
3657 tmp->speed = 0;
3658 update_ob_speed(tmp);
3659 }
3660 }
3661 /* This function can be called everytime a map is loaded, even when
3662 * swapping back in. As such, we don't want to create the treasure
3663 * over and ove again, so after we generate the treasure, blank out
3664 * randomitems so if it is swapped in again, it won't make anything.
3665 * This is a problem for the above objects, because they have counters
3666 * which say how many times to make the treasure.
3667 */
3668 else if(tmp && tmp->arch && tmp->type!=PLAYER && tmp->type!=TREASURE &&
3669 tmp->type != SPELL && tmp->type != PLAYER_CHANGER && tmp->type != CLASS &&
3670 HAS_RANDOM_ITEMS(tmp)) {
3671 create_treasure(tmp->randomitems, tmp, GT_APPLY,
3672 m->difficulty,0);
3673 tmp->randomitems = NULL;
3674 }
3675 } 2536 }
3676 2537
3677 for(x=0;x<MAP_WIDTH(m);x++) 2538 /* Logic as follows
3678 for(y=0;y<MAP_HEIGHT(m);y++) 2539 *
3679 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=tmp->above) 2540 * 1- MU spells use Int to learn, Cleric spells use Wisdom
3680 if (tmp->above && 2541 *
3681 (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 2542 * 2- The learner's skill level in literacy adjusts the chance to learn
3682 check_trigger (tmp, tmp->above); 2543 * a spell.
3683} 2544 *
3684 2545 * 3 -Automatically fail to learn if you read while confused
3685/** 2546 *
3686 * Handles player eating food that temporarily changes status (resistances, stats). 2547 * Overall, chances are the same but a player will find having a high
3687 * This used to call cast_change_attr(), but 2548 * literacy rate very useful! -b.t.
3688 * that doesn't work with the new spell code. Since we know what
3689 * the food changes, just grab a force and use that instead.
3690 */ 2549 */
3691 2550 if (op->flag [FLAG_CONFUSED])
3692void eat_special_food(object *who, object *food) {
3693 object *force;
3694 int i, did_one=0;
3695 sint8 k;
3696
3697 force = get_archetype(FORCE_NAME);
3698
3699 for (i=0; i < NUM_STATS; i++) {
3700 k = get_attr_value(&food->stats, i);
3701 if (k) {
3702 set_attr_value(&force->stats, i, k);
3703 did_one = 1;
3704 }
3705 } 2551 {
3706 2552 op->failmsg ("In your confused state you flub the wording of the text!");
3707 /* check if we can protect the eater */ 2553 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
3708 for (i=0; i<NROFATTACKS; i++) {
3709 if (food->resist[i]>0) {
3710 force->resist[i] = food->resist[i] / 2;
3711 did_one = 1;
3712 }
3713 }
3714 if (did_one) {
3715 force->speed = 0.1;
3716 update_ob_speed(force);
3717 /* bigger morsel of food = longer effect time */
3718 force->stats.food = food->stats.food / 5;
3719 SET_FLAG(force, FLAG_IS_USED_UP);
3720 SET_FLAG(force, FLAG_APPLIED);
3721 change_abil(who, force);
3722 insert_ob_in_ob(force, who);
3723 } else {
3724 free_object(force);
3725 }
3726
3727 /* check for hp, sp change */
3728 if(food->stats.hp!=0) {
3729 if(QUERY_FLAG(food, FLAG_CURSED)) {
3730 strcpy(who->contr->killer,food->name);
3731 hit_player(who, food->stats.hp, food, AT_POISON, 1);
3732 new_draw_info(NDI_UNIQUE, 0,who,"Eck!...that was poisonous!");
3733 } else {
3734 if(food->stats.hp>0)
3735 new_draw_info(NDI_UNIQUE, 0,who,"You begin to feel better.");
3736 else
3737 new_draw_info(NDI_UNIQUE, 0,who,"Eck!...that was poisonous!");
3738 who->stats.hp += food->stats.hp;
3739 }
3740 }
3741 if(food->stats.sp!=0) {
3742 if(QUERY_FLAG(food, FLAG_CURSED)) {
3743 new_draw_info(NDI_UNIQUE, 0,who,"You are drained of mana!");
3744 who->stats.sp -= food->stats.sp;
3745 if(who->stats.sp<0) who->stats.sp=0;
3746 } else {
3747 new_draw_info(NDI_UNIQUE, 0,who,"You feel a rush of magical energy!");
3748 who->stats.sp += food->stats.sp;
3749 /* place limit on max sp from food? */
3750 } 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])
3751 } 2557 {
3752 fix_player(who); 2558 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
3753} 2559 do_learn_spell (op, spell, 0);
3754 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}
3755 3021
3756/** 3022/**
3757 * Designed primarily to light torches/lanterns/etc. 3023 * Designed primarily to light torches/lanterns/etc.
3758 * Also burns up burnable material too. First object in the inventory is 3024 * Also burns up burnable material too. First object in the inventory is
3759 * the selected object to "burn". -b.t. 3025 * the selected object to "burn". -b.t.
3760 */ 3026 */
3761 3027static void
3762void apply_lighter(object *who, object *lighter) { 3028apply_lighter (object *who, object *lighter)
3763 object *item; 3029{
3764 int is_player_env=0; 3030 if (object *item = who->mark ())
3765 uint32 nrof; 3031 {
3766 tag_t count; 3032 if (!auto_apply_lighter (who, item, lighter))
3767 char item_name[MAX_BUF];
3768
3769 item=find_marked_object(who);
3770 if(item) {
3771 if(lighter->last_eat && lighter->stats.food) { /* lighter gets used up */
3772 /* Split multiple lighters if they're being used up. Otherwise *
3773 * one charge from each would be used up. --DAMN */
3774 if(lighter->nrof > 1) {
3775 object *oneLighter = get_object();
3776 copy_object(lighter, oneLighter);
3777 lighter->nrof -= 1;
3778 oneLighter->nrof = 1;
3779 oneLighter->stats.food--;
3780 esrv_send_item(who, lighter);
3781 oneLighter=insert_ob_in_ob(oneLighter, who);
3782 esrv_send_item(who, oneLighter);
3783 } else {
3784 lighter->stats.food--;
3785 }
3786
3787 } else if(lighter->last_eat) { /* no charges left in lighter */
3788 new_draw_info_format(NDI_UNIQUE, 0,who,
3789 "You attempt to light the %s with a used up %s.",
3790 item->name, lighter->name);
3791 return; 3033 return;
3792 } 3034
3793 /* Perhaps we should split what we are trying to light on fire? 3035 /* Perhaps we should split what we are trying to light on fire?
3794 * I can't see many times when you would want to light multiple 3036 * I can't see many times when you would want to light multiple
3795 * objects at once. 3037 * objects at once.
3796 */ 3038 */
3797 nrof=item->nrof;
3798 count=item->count;
3799 /* If the item is destroyed, we don't have a valid pointer to the
3800 * name object, so make a copy so the message we print out makes
3801 * some sense.
3802 */
3803 strcpy(item_name, item->name);
3804 if (who == is_player_inv(item)) is_player_env=1;
3805 3039
3806 save_throw_object(item,AT_FIRE,who); 3040 save_throw_object (item, AT_FIRE, who);
3807 /* Change to check count and not freed, since the object pointer
3808 * may have gotten recycled
3809 */
3810 if ((nrof != item->nrof ) || (count != item->count)) {
3811 new_draw_info_format(NDI_UNIQUE, 0,who,
3812 "You light the %s with the %s.",item_name,lighter->name);
3813 /* Need to update the player so that the players glow radius
3814 * gets changed.
3815 */
3816 if (is_player_env) fix_player(who);
3817 } else {
3818 new_draw_info_format(NDI_UNIQUE, 0,who,
3819 "You attempt to light the %s with the %s and fail.",item->name,lighter->name);
3820 }
3821 3041
3822 } else /* nothing to light */ 3042 if (item->destroyed ()
3823 new_draw_info(NDI_UNIQUE, 0,who,"You need to mark a lightable object."); 3043 || ((item->type == LAMP || item->type == TORCH)
3824 3044 && item->glow_radius > 0))
3825} 3045 who->statusmsg (format (
3826 3046 "You light the %s with the %s.",
3827/** 3047 &item->name, &lighter->name
3828 * op made some mistake with a scroll, this takes care of punishment. 3048 ));
3829 * scroll_failure()- hacked directly from spell_failure 3049 else
3830 */ 3050 who->failmsgf (
3831void scroll_failure(object *op, int failure, int power) 3051 "You attempt to light the %s with the %s and fail.",
3832{ 3052 &item->name, &lighter->name
3833 if(abs(failure/4)>power) power=abs(failure/4); /* set minimum effect */ 3053 );
3834
3835 if(failure<= -1&&failure > -15) {/* wonder */
3836 object *tmp;
3837
3838 new_draw_info(NDI_UNIQUE, 0,op,"Your spell warps!.");
3839 tmp=get_archetype(SPELL_WONDER);
3840 cast_wonder(op, op, 0, tmp);
3841 free_object(tmp);
3842 } else if (failure <= -15&&failure > -35) {/* drain mana */
3843 new_draw_info(NDI_UNIQUE, 0,op,"Your mana is drained!.");
3844 op->stats.sp -= random_roll(0, power-1, op, PREFER_LOW);
3845 if(op->stats.sp<0) op->stats.sp = 0;
3846 } else if (settings.spell_failure_effects == TRUE) {
3847 if (failure <= -35&&failure > -60) { /* confusion */
3848 new_draw_info(NDI_UNIQUE, 0,op,"The magic recoils on you!");
3849 confuse_player(op,op,power);
3850 } else if (failure <= -60&&failure> -70) {/* paralysis */
3851 new_draw_info(NDI_UNIQUE, 0,op,"The magic recoils and paralyzes "
3852 "you!");
3853 paralyze_player(op,op,power);
3854 } else if (failure <= -70&&failure> -80) {/* blind */
3855 new_draw_info(NDI_UNIQUE, 0,op,"The magic recoils on you!");
3856 blind_player(op,op,power);
3857 } else if (failure <= -80) {/* blast the immediate area */
3858 object *tmp;
3859 tmp=get_archetype(LOOSE_MANA);
3860 cast_magic_storm(op,tmp, power);
3861 new_draw_info(NDI_UNIQUE, 0,op,"You unlease uncontrolled mana!");
3862 free_object(tmp);
3863 }
3864 }
3865}
3866
3867void apply_changes_to_player(object *pl, object *change) {
3868 int excess_stat=0; /* if the stat goes over the maximum
3869 for the race, put the excess stat some
3870 where else. */
3871
3872 switch (change->type) {
3873 case CLASS: {
3874 living *stats = &(pl->contr->orig_stats);
3875 living *ns = &(change->stats);
3876 object *walk;
3877 int flag_change_face=1;
3878
3879 /* the following code assigns stats up to the stat max
3880 * for the race, and if the stat max is exceeded,
3881 * tries to randomly reassign the excess stat
3882 */
3883 int i,j;
3884 for(i=0;i<NUM_STATS;i++) {
3885 sint8 stat=get_attr_value(stats,i);
3886 int race_bonus = get_attr_value(&(pl->arch->clone.stats),i);
3887 stat += get_attr_value(ns,i);
3888 if(stat > 20 + race_bonus) {
3889 excess_stat++;
3890 stat = 20+race_bonus;
3891 }
3892 set_attr_value(stats,i,stat);
3893 } 3054 }
3055 else
3056 who->failmsg ("You need to mark a lightable object.");
3057}
3894 3058
3895 for(j=0;excess_stat >0 && j<100;j++) {/* try 100 times to assign excess stats */ 3059/**
3896 int i = rndm(0, 6); 3060 * This function generates a cursed effect for cursed lamps and torches.
3897 int stat=get_attr_value(stats,i); 3061 */
3898 int race_bonus = get_attr_value(&(pl->arch->clone.stats),i); 3062static void
3899 if(i==CHA) continue; /* exclude cha from this */ 3063player_apply_lamp_cursed_effect (object *who, object *op)
3900 if( stat < 20 + race_bonus) { 3064{
3901 change_attr_value(stats,i,1); 3065 if (op->level)
3902 excess_stat--; 3066 {
3903 } 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);
3904 } 3072 }
3905 3073 else
3906 /* insert the randomitems from the change's treasurelist into 3074 {
3907 * the player ref: player.c 3075 who->failmsgf (
3908 */ 3076 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3909 if(change->randomitems!=NULL) 3077 &op->name
3910 give_initial_items(pl,change->randomitems); 3078 );
3911
3912
3913 /* set up the face, for some races. */
3914
3915 /* first, look for the force object banning
3916 * changing the face. Certain races never change face with class.
3917 */
3918 for(walk=pl->inv;walk!=NULL;walk=walk->below)
3919 if (!strcmp(walk->name,"NOCLASSFACECHANGE")) flag_change_face=0;
3920
3921 if(flag_change_face) {
3922 pl->animation_id = GET_ANIM_ID(change);
3923 pl->face = change->face;
3924
3925 if(QUERY_FLAG(change,FLAG_ANIMATE))
3926 SET_FLAG(pl,FLAG_ANIMATE);
3927 else
3928 CLEAR_FLAG(pl,FLAG_ANIMATE);
3929 } 3079 }
3930 3080
3931 /* check the special case of can't use weapons */ 3081 op->destroy ();
3932 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON);*/ 3082}
3933 if(!strcmp(change->name,"monk")) CLEAR_FLAG(pl,FLAG_USE_WEAPON);
3934 3083
3935 break; 3084/**
3936 } 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)
3937 } 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);
3938} 3216}
3939 3217
3940/** 3218/**
3941 * This handles items of type 'transformer'. 3219 * This handles items of type 'transformer'.
3942 * Basically those items, used with a marked item, transform both items into something 3220 * Basically those items, used with a marked item, transform both items into something
… …
3945 * Change information is contained in the 'slaying' field of the marked item. 3223 * Change information is contained in the 'slaying' field of the marked item.
3946 * The format is as follow: transformer:[number ]yield[;transformer:...]. 3224 * The format is as follow: transformer:[number ]yield[;transformer:...].
3947 * This way an item can be transformed in many things, and/or many objects. 3225 * This way an item can be transformed in many things, and/or many objects.
3948 * The 'slaying' field for transformer is used as verb for the action. 3226 * The 'slaying' field for transformer is used as verb for the action.
3949 */ 3227 */
3228static void
3950void apply_item_transformer( object* pl, object* transformer ) 3229apply_item_transformer (object *pl, object *transformer)
3951 { 3230{
3952 object* marked;
3953 object* new_item; 3231 object *new_item;
3954 char* find; 3232 const char *find;
3955 char* separator; 3233 char *separator;
3956 int yield; 3234 int yield;
3957 char got[ MAX_BUF ]; 3235 char got[MAX_BUF];
3958 int len; 3236 int len;
3959 3237
3960 if ( !pl || !transformer ) 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)
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);
3961 return; 3513 return;
3962 marked = find_marked_object( pl ); 3514 }
3963 if ( !marked ) 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)
3964 { 3525 {
3965 new_draw_info_format( NDI_UNIQUE, 0, pl, "Use the %s with what item?", query_name( transformer ) ); 3526 // TODO: all this should move to examine
3966 return; 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)
3967 } 3566 {
3968 if ( !marked->slaying ) 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;
3969 { 3570 }
3970 new_draw_info_format( NDI_UNIQUE, 0, pl, "You can't use the %s with your %s!", query_name( transformer ), query_name( marked ) ); 3571 else
3971 return; 3572 return 0; /* monsters just skip unpaid items */
3573 }
3574
3575 if (contr)
3576 {
3577 if (!ob->env && (move_type & MOVE_FLYING))
3972 } 3578 {
3973 /* check whether they are compatible or not */ 3579 /* player is flying and applying object not in inventory */
3974 find = strstr( marked->slaying, transformer->arch->name ); 3580 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3975 if ( !find || ( *( find + strlen( transformer->arch->name ) ) != ':' ) )
3976 {
3977 new_draw_info_format( NDI_UNIQUE, 0, pl, "You can't use the %s with your %s!", query_name( transformer ), query_name( marked ) );
3978 return;
3979 }
3980 find += strlen( transformer->arch->name ) + 1;
3981 /* Item can be used, now find how many and what it yields */
3982 if ( isdigit( *( find ) ) )
3983 {
3984 yield = atoi( find );
3985 if ( yield < 1 )
3986 { 3581 {
3987 LOG( llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name( marked, 0 ), yield ); 3582 failmsg ("But you are floating high above the ground! "
3988 yield = 1; 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;
3989 } 3586 }
3990 } 3587 }
3991 else
3992 yield = 1;
3993 3588
3994 while ( isdigit( *find ) ) 3589 contr->last_used = ob;
3995 find++; 3590 }
3996 while ( *find == ' ' ) 3591
3997 find++; 3592 bool want_apply =
3998 memset( got, 0, MAX_BUF ); 3593 aflags & AP_APPLY ? true
3999 if ( (separator = strchr( find, ';' ))!=NULL) 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;
3715}
3716
3717/**
3718 * Map was just loaded, handle op's initialisation.
3719 *
3720 * Generates shop floor's item, and treasures.
3721 */
3722int
3723auto_apply (object *op)
3724{
3725 object *tmp = NULL;
3726 int i;
3727
3728 op->clr_flag (FLAG_AUTO_APPLY);
3729
3730 switch (op->type)
3731 {
3732 case SHOP_FLOOR:
3733 if (!op->has_random_items ())
3734 return 0;
3735
3736 do
4000 { 3737 {
4001 len = separator - find; 3738 i = 10; /* let's give it 10 tries */
3739 while ((tmp = generate_treasure (op->randomitems,
3740 op->stats.exp
3741 ? (int) op->stats.exp
3742 : max (op->map->difficulty, 5)))
3743 == NULL && --i);
3744
3745 if (tmp == NULL)
3746 return 0;
3747
3748 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
3749 {
3750 tmp->destroy ();
3751 tmp = NULL;
3752 }
4002 } 3753 }
4003 else 3754 while (!tmp);
3755
3756 tmp->x = op->x;
3757 tmp->y = op->y;
3758 tmp->set_flag (FLAG_UNPAID);
3759 insert_ob_in_map (tmp, op->map, NULL, 0);
3760 identify (tmp);
3761 break;
3762
3763 case TREASURE:
3764 if (op->flag [FLAG_IS_A_TEMPLATE])
3765 return 0;
3766
3767 while (op->stats.hp-- > 0)
3768 create_treasure (op->randomitems, op, op->map ? GT_ENVIRONMENT : 0,
3769 op->stats.exp ? (int) op->stats.exp : op->map == NULL ? 14 : op->map->difficulty, 0);
3770
3771 /* If we generated an object and put it in this object inventory,
3772 * move it to the parent object as the current object is about
3773 * to disappear. An example of this item is the random_* stuff
3774 * that is put inside other objects.
3775 */
3776 if (op->env)
3777 while (op->inv)
3778 op->env->insert (op->inv);
3779
3780 op->destroy ();
3781 break;
3782 }
3783
3784 return !!tmp;
3785}
3786
3787/**
3788 * fix_auto_apply goes through the entire map every time a map
3789 * is loaded or swapped in and performs special actions for
3790 * certain objects (most initialization of chests and creation of
3791 * treasures and stuff). Calls auto_apply if appropriate.
3792 */
3793void
3794maptile::fix_auto_apply ()
3795{
3796 if (!spaces)
3797 return;
3798
3799 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3800 for (object *tmp = ms->bot; tmp; )
3801 {
3802 object *above = tmp->above;
3803
3804 if (tmp->inv)
4004 { 3805 {
4005 len = strlen(find); 3806 object *invtmp, *invnext;
3807
3808 for (invtmp = tmp->inv; invtmp; invtmp = invnext)
3809 {
3810 invnext = invtmp->below;
3811
3812 if (invtmp->flag [FLAG_AUTO_APPLY])
3813 auto_apply (invtmp);
3814 else if (invtmp->type == TREASURE && invtmp->has_random_items ())
3815 {
3816 while (invtmp->stats.hp-- > 0)
3817 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
3818
3819 invtmp->randomitems = NULL;
3820 }
3821 else if (invtmp->arch
3822 && invtmp->type != TREASURE && invtmp->type != SPELL && invtmp->type != CLASS
3823 && invtmp->has_random_items ())
3824 {
3825 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
3826 /* Need to clear this so that we never try to create
3827 * treasure again for this object
3828 */
3829 invtmp->randomitems = NULL;
3830 }
3831 }
3832
3833 /* This is really temporary - the code at the bottom will
3834 * also set randomitems to null. The problem is there are bunches
3835 * of maps/players already out there with items that have spells
3836 * which haven't had the randomitems set to null yet.
3837 * MSW 2004-05-13
3838 *
3839 * And if it's a spellbook, it's better to set randomitems to NULL too,
3840 * else you get two spells in the book ^_-
3841 * Ryo 2004-08-16
3842 */
3843 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3844 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3845 tmp->randomitems = NULL;
4006 } 3846 }
4007 if ( len > MAX_BUF-1)
4008 len = MAX_BUF-1;
4009 strcpy( got, find );
4010 got[len] = '\0';
4011 3847
4012 /* Now create new item, remove used ones when required. */ 3848 if (tmp->flag [FLAG_AUTO_APPLY])
4013 new_item = get_archetype( got ); 3849 auto_apply (tmp);
4014 if ( !new_item ) 3850 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
4015 { 3851 {
4016 new_draw_info_format( NDI_UNIQUE, 0, pl, "This %s is strange, better to not use it.", query_base_name( marked, 0 ) ); 3852 while ((tmp->stats.hp--) > 0)
3853 create_treasure (tmp->randomitems, tmp, 0, difficulty, 0);
3854 tmp->randomitems = NULL;
3855 }
3856 else if (tmp->type == TIMED_GATE)
3857 {
3858 object *head = tmp->head != NULL ? tmp->head : tmp;
3859
3860 if (head->flag [FLAG_IS_LINKED])
3861 tmp->set_speed (0);
3862 }
3863 /* This function can be called everytime a map is loaded, even when
3864 * swapping back in. As such, we don't want to create the treasure
3865 * over and ove again, so after we generate the treasure, blank out
3866 * randomitems so if it is swapped in again, it won't make anything.
3867 * This is a problem for the above objects, because they have counters
3868 * which say how many times to make the treasure.
3869 */
3870 else if (tmp && tmp->arch && tmp->type != PLAYER
3871 && tmp->type != TREASURE && tmp->type != SPELL
3872 && tmp->type != PLAYER_CHANGER && tmp->type != CLASS && tmp->has_random_items ())
3873 {
3874 create_treasure (tmp->randomitems, tmp, GT_APPLY, difficulty, 0);
3875 tmp->randomitems = NULL;
3876 }
3877
3878 // close all containers
3879 else if (tmp->type == CONTAINER)
3880 tmp->flag [FLAG_APPLIED] = 0;
3881
3882 tmp = above;
3883 }
3884
3885 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3886 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3887 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3888 check_trigger (tmp, tmp->above, tmp->above);
3889}
3890
3891/**
3892 * Handles player eating food that temporarily changes status (resistances, stats).
3893 * This used to call cast_change_attr(), but
3894 * that doesn't work with the new spell code. Since we know what
3895 * the food changes, just grab a force and use that instead.
3896 */
3897void
3898eat_special_food (object *who, object *food)
3899{
3900 object *force;
3901 int i, did_one = 0;
3902
3903 char buf[64];
3904 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3905 shstr key (buf);
3906
3907 /* bigger morsel of food = longer effect time */
3908 int duration = TIME2TICK (food->stats.food);
3909
3910 if (force = who->force_find (key))
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
4017 return; 3920 return;
3921 }
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;
4018 } 3933 }
4019 new_item->nrof = yield; 3934
4020 new_draw_info_format( NDI_UNIQUE, 0, pl, "You %s the %s.", transformer->slaying, query_base_name( marked, 0 ) ); 3935 /* check if we can protect the eater */
4021 insert_ob_in_ob( new_item, pl ); 3936 for (i = 0; i < NROFATTACKS; i++)
4022 esrv_send_inventory( pl, pl ); 3937 {
4023 /* Eat up one item */ 3938 if (food->resist[i] > 0)
4024 decrease_ob_nr( marked, 1 ); 3939 {
4025 /* Eat one transformer if needed */ 3940 force->resist[i] = food->resist[i];
4026 if ( transformer->stats.food ) 3941 did_one = 1;
4027 if ( --transformer->stats.food == 0 ) 3942 }
4028 decrease_ob_nr( transformer, 1 ); 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
3953 force->destroy ();
3954 }
3955
3956 /* check for hp, sp change */
3957 if (food->stats.hp != 0)
4029 } 3958 {
3959 if (food->flag [FLAG_CURSED])
3960 {
3961 who->contr->killer = food;
3962 hit_player (who, food->stats.hp, food, AT_POISON, 1);
3963 who->failmsg ("Eck!...that was poisonous!");
3964 }
3965 else
3966 {
3967 if (food->stats.hp > 0)
3968 who->statusmsg ("You begin to feel better.");
3969 else
3970 who->failmsg ("Eck!...that was poisonous!");
3971
3972 who->stats.hp += food->stats.hp;
3973 }
3974 }
3975
3976 if (food->stats.sp != 0)
3977 {
3978 if (food->flag [FLAG_CURSED])
3979 {
3980 who->failmsg ("You are drained of mana!");
3981 who->stats.sp -= food->stats.sp;
3982 if (who->stats.sp < 0)
3983 who->stats.sp = 0;
3984 }
3985 else
3986 {
3987 who->statusmsg ("You feel a rush of magical energy!");
3988 who->stats.sp += food->stats.sp;
3989 /* place limit on max sp from food? */
3990 }
3991 }
3992
3993 who->update_stats ();
3994}
3995
3996void
3997apply_changes_to_player (object *pl, object *change)
3998{
3999 int excess_stat = 0; /* if the stat goes over the maximum
4000 for the race, put the excess stat some
4001 where else. */
4002
4003 switch (change->type)
4004 {
4005 case CLASS:
4006 {
4007 living *stats = &(pl->contr->orig_stats);
4008 living *ns = &(change->stats);
4009 object *walk;
4010 int flag_change_face = 1;
4011
4012 /* the following code assigns stats up to the stat max
4013 * for the race, and if the stat max is exceeded,
4014 * tries to randomly reassign the excess stat
4015 */
4016 int i, j;
4017
4018 for (i = 0; i < NUM_STATS; i++)
4019 {
4020 int race_bonus = pl->arch->stats.stat (i);
4021 sint8 stat = stats->stat (i) + ns->stat (i);
4022
4023 if (stat > 20 + race_bonus)
4024 {
4025 excess_stat++;
4026 stat = 20 + race_bonus;
4027 }
4028
4029 stats->stat (i) = stat;
4030 }
4031
4032 for (j = 0; excess_stat > 0 && j < 100; j++)
4033 { /* try 100 times to assign excess stats */
4034 int i = rndm (0, 6);
4035
4036 if (i == CHA)
4037 continue; /* exclude cha from this */
4038
4039 int stat = stats->stat (i);
4040 int race_bonus = pl->arch->stats.stat (i);
4041 if (stat < 20 + race_bonus)
4042 {
4043 change_attr_value (stats, i, 1);
4044 excess_stat--;
4045 }
4046 }
4047
4048 /* insert the randomitems from the change's treasurelist into
4049 * the player ref: player.c
4050 */
4051 if (change->randomitems)
4052 give_initial_items (pl, change->randomitems);
4053
4054 /* set up the face, for some races. */
4055
4056 /* first, look for the force object banning
4057 * changing the face. Certain races never change face with class.
4058 */
4059 for (walk = pl->inv; walk; walk = walk->below)
4060 if (walk->name == shstr_NOCLASSFACECHANGE)
4061 flag_change_face = 0;
4062
4063 if (flag_change_face)
4064 {
4065 pl->face = change->face;
4066 pl->animation_id = change->animation_id;
4067 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE];
4068 }
4069
4070 /* check the special case of can't use weapons */
4071 /*if(change->flag [FLAG_USE_WEAPON]) pl->clr_flag (FLAG_USE_WEAPON); */
4072 if (change->name == shstr_monk)
4073 pl->clr_flag (FLAG_USE_WEAPON);
4074
4075 break;
4076 }
4077 }
4078}
4079

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