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Comparing deliantra/server/server/shop.C (file contents):
Revision 1.9 by pippijn, Thu Sep 7 10:01:58 2006 UTC vs.
Revision 1.42 by root, Sat Jul 21 19:18:02 2007 UTC

1	/*	1	/*
2	* static char *rcsid_shop_c =	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3	* "$Id: shop.C,v 1.9 2006/09/07 10:01:58 pippijn Exp $";	3	*
4	*/	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5
6	/*
7	CrossFire, A Multiplayer game for X-windows
8
9	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
10	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
11		7	*
12	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
13	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
14	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
15	(at your option) any later version.	11	* (at your option) any later version.
16		12	*
17	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,
18	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20	GNU General Public License for more details.	16	* GNU General Public License for more details.
21		17	*
22	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
23	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
24	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
25		21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
26	The authors can be reached via e-mail at crossfire-devel@real-time.com
27	*/	22	*/
28		23
29	#include <global.h>	24	#include <global.h>
30	#include <spells.h>	25	#include <spells.h>
31	#include <skills.h>	26	#include <skills.h>
32	#include <living.h>	27	#include <living.h>
33	#include <newclient.h>
34	#ifndef __CEXTRACT__
35	#include <sproto.h>	28	#include <sproto.h>
36	#endif
37	#include <math.h>	29	#include <math.h>
38		30
39	/* this is a measure of how effective store specialisation is. A general store	31	/* this is a measure of how effective store specialisation is. A general store
40	* will offer this proportion of the 'maximum' price, a specialised store will	32	* will offer this proportion of the 'maximum' price, a specialised store will
41	* offer a range of prices around it such that the maximum price is always one	33	* offer a range of prices around it such that the maximum price is always one
42	* therefore making this number higher, makes specialisation less effective.	34	* therefore making this number higher, makes specialisation less effective.
43	* setting this value above 1 or to a negative value would have interesting,	35	* setting this value above 1 or to a negative value would have interesting,
44	* (though not useful) effects.	36	* (though not useful) effects.
45	*/	37	*/
46	#define SPECIALISATION_EFFECT 0.5	38	#define SPECIALISATION_EFFECT .5
47		39
48	/* price a shopkeeper will give someone they neither like nor dislike */	40	// price a shopkeeper will give someone that is not of their race
49	#define NEUTRAL_RATIO 0.8	41	#define DISLIKE_RATIO 0.8
50		42
51	static uint64 pay_from_container(object *pl, object *pouch, uint64 to_pay);	43	static void pay_from_container (object *pl, object *pouch, sint64 &to_pay);
52	static uint64 value_limit(uint64 val, int quantity, const object *who, int isshop);	44	static sint64 value_limit (sint64 val, int quantity, const object *who, int isshop);
53	static double shop_specialisation_ratio(const object *item, const mapstruct *map);	45	static double shop_specialisation_ratio (const object *item, const maptile *map);
54	static double shop_greed(const mapstruct *map);	46	static double shop_greed (const maptile *map);
55		47
56	#define NUM_COINS 4 /* number of coin types */	48	#define NUM_COINS 4 /* number of coin types */
57	static const char* const coins[] = {"royalty", "platinacoin", "goldcoin", "silvercoin", NULL};	49	static const char *const coins[] = { "royalty", "platinacoin", "goldcoin", "silvercoin", NULL };
58		50
59	/* Added F_TRUE flag to define.h to mean that the price should not	51	/* Added F_TRUE flag to define.h to mean that the price should not
60	* be adjusted by players charisma. With F_TRUE, it returns the amount	52	* be adjusted by players charisma. With F_TRUE, it returns the amount
61	* that the item is worth, if it was sold, but unadjusted by charisma.	53	* that the item is worth, if it was sold, but unadjusted by charisma.
62	* This is needed for alchemy, to to determine what value of gold nuggets	54	* This is needed for alchemy, to to determine what value of gold nuggets
…		…
79	* thus remained 0.	71	* thus remained 0.
80	*	72	*
81	* Mark Wedel (mwedel@pyramid.com)	73	* Mark Wedel (mwedel@pyramid.com)
82	*/	74	*/
83		75
84	static uint64 approx_range;	76	static sint64 approx_range;
85		77
		78	sint64
86	uint64 query_cost(const object *tmp, object *who, int flag) {	79	query_cost (const object *tmp, object *who, int flag)
		80	{
87	double val;	81	double val;
88	int number; /* used to better calculate value */	82	int number; /* used to better calculate value */
89	int no_bargain;	83	int no_bargain;
90	int identified;	84	int identified;
91	int not_cursed;	85	int not_cursed;
92	int approximate;	86	int approximate;
93	int shop;	87	int shop;
94	double diff;	88	double diff;
95		89
96	approx_range = 0;	90	approx_range = 0;
97		91
98	no_bargain = flag & F_NO_BARGAIN;	92	no_bargain = flag & F_NO_BARGAIN;
99	identified = flag & F_IDENTIFIED;	93	identified = flag & F_IDENTIFIED;
100	not_cursed = flag & F_NOT_CURSED;	94	not_cursed = flag & F_NOT_CURSED;
101	approximate = flag & F_APPROX;	95	approximate = flag & F_APPROX;
102	shop = flag & F_SHOP;	96	shop = flag & F_SHOP;
103	flag &= ~(F_NO_BARGAIN|F_IDENTIFIED|F_NOT_CURSED|F_APPROX|F_SHOP);	97	flag &= ~(F_NO_BARGAIN | F_IDENTIFIED | F_NOT_CURSED | F_APPROX | F_SHOP);
104		98
105	if (tmp->type==MONEY) return (tmp->nrof * tmp->value);	99	if (tmp->type == MONEY)
		100	return tmp->nrof * tmp->value;
		101
106	if (tmp->type==GEM) {	102	if (tmp->type == GEM)
		103	{
		104	if (flag == F_TRUE)
107	if (flag==F_TRUE) return (tmp->nrof * tmp->value);	105	return (tmp->nrof * tmp->value);
		106
		107	if (flag == F_BUY)
108	if (flag==F_BUY) return (uint64) (1.03 * tmp->nrof * tmp->value);	108	return (sint64) (1.03 * tmp->nrof * tmp->value);
		109
		110	if (flag == F_SELL)
109	if (flag==F_SELL) return (uint64) (0.97 * tmp->nrof * tmp->value);	111	return (sint64) (0.97 * tmp->nrof * tmp->value);
		112
110	LOG(llevError,"Query_cost: Gem type with unknown flag : %d\n", flag);	113	LOG (llevError, "Query_cost: Gem type with unknown flag %d: %s\n", flag, tmp->debug_desc ());
		114	return 0;
		115	}
		116
		117	number = tmp->nrof;
		118	if (number == 0)
		119	number = 1;
		120	if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified)
		121	{
		122	if (!not_cursed && (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)))
111	return 0;	123	return 0;
112	}
113	number = tmp->nrof;
114	if (number==0) number=1;
115	if (QUERY_FLAG(tmp, FLAG_IDENTIFIED) || !need_identify(tmp) || identified) {
116	if (!not_cursed && (QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)))
117	return 0;
118	else	124	else
119	val=tmp->value * number;	125	val = tmp->value * number;
120	}	126	}
121	/* This area deals with objects that are not identified, but can be */	127	/* This area deals with objects that are not identified, but can be */
122	else {	128	else
		129	{
123	if (tmp->arch != NULL) {	130	if (tmp->arch != NULL)
		131	{
124	if (flag == F_BUY) {	132	if (flag == F_BUY)
		133	{
125	LOG(llevError, "Asking for buy-value of unidentified object.\n");	134	LOG (llevError, "Asking for buy-value of unidentified object.\n");
126	val = tmp->arch->clone.value * 50 * number;	135	val = tmp->arch->value * 50 * number;
127	}	136	}
		137	else
128	else { /* Trying to sell something, or get true value */	138	{ /* Trying to sell something, or get true value */
129	if (tmp->type == POTION)	139	if (tmp->type == POTION)
130	val = number * 40; /* Don't want to give anything away */	140	val = number * 40; /* Don't want to give anything away */
131	else {	141	else
		142	{
132	/* Get 2/3'rd value for applied objects, 1/3'rd for totally	143	/* Get 2/3'rd value for applied objects, 1/3'rd for totally
133	* unknown objects	144	* unknown objects
134	*/	145	*/
135	if (QUERY_FLAG(tmp, FLAG_BEEN_APPLIED))	146	if (QUERY_FLAG (tmp, FLAG_BEEN_APPLIED))
136	val = number * tmp->arch->clone.value *2 / 3;	147	val = number * tmp->arch->value * 2 / 3;
137	else	148	else
138	val = number * tmp->arch->clone.value / 3;	149	val = number * tmp->arch->value / 3;
139	}	150	}
140	}	151	}
		152	}
		153	else
141	} else { /* No archetype with this object */	154	{ /* No archetype with this object */
142	LOG(llevDebug,"In sell item: Have object with no archetype: %s\n", &tmp->name);	155	LOG (llevDebug, "In sell item: Have object with no archetype: %s\n", &tmp->name);
143	if (flag == F_BUY) {	156	if (flag == F_BUY)
		157	{
144	LOG(llevError, "Asking for buy-value of unidentified object without arch.\n");	158	LOG (llevError, "Asking for buy-value of unidentified object without arch.\n");
145	val = number * tmp->value * 10;	159	val = number * tmp->value * 10;
146	}	160	}
147	else	161	else
148	val = number * tmp->value / 5;	162	val = number * tmp->value / 5;
149	}	163	}
150	}	164	}
151		165
152	/* If the item has been applied or identifed or does not need to be	166	/* If the item has been applied or identifed or does not need to be
153	* identified, AND the object is magical and the archetype is non	167	* identified, AND the object is magical and the archetype is non
154	* magical, then change values accordingly. The tmp->arch==NULL is	168	* magical, then change values accordingly. The tmp->arch==NULL is
155	* really just a check to prevent core dumps for when it checks	169	* really just a check to prevent core dumps for when it checks
156	* tmp->arch->clone.magic for any magic. The check for archetype	170	* tmp->arch->magic for any magic. The check for archetype
157	* magic is to not give extra money for archetypes that are by	171	* magic is to not give extra money for archetypes that are by
158	* default magical. This is because the archetype value should have	172	* default magical. This is because the archetype value should have
159	* already figured in that value.	173	* already figured in that value.
160	*/	174	*/
161	if((QUERY_FLAG(tmp, FLAG_IDENTIFIED)||!need_identify(tmp)||identified||	175	if ((QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified ||
162	QUERY_FLAG(tmp, FLAG_BEEN_APPLIED)) &&	176	QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) && tmp->magic && (tmp->arch == NULL || !tmp->arch->magic))
163	tmp->magic&&(tmp->arch==NULL||!tmp->arch->clone.magic)) {	177	{
164	if(tmp->magic>0)	178	if (tmp->magic > 0)
165	val*=(3*tmp->magic*tmp->magic*tmp->magic);	179	val *= (3 * tmp->magic * tmp->magic * tmp->magic);
166	else	180	else
167	/* Note that tmp->magic is negative, so that this	181	/* Note that tmp->magic is negative, so that this
168	* will actually be something like val /=2, /=3, etc.	182	* will actually be something like val /=2, /=3, etc.
169	*/
170	val/=(1-tmp->magic);
171	}
172
173	if (tmp->type==WAND) {
174	/* Value of the wand is multiplied by the number of
175	* charges. the treasure code already sets up the value
176	* 50 charges is used as the baseline.
177	*/	183	*/
		184	val /= (1 - tmp->magic);
		185	}
		186
		187	if (tmp->type == WAND)
		188	{
		189	/* Value of the wand is multiplied by the number of
		190	* charges. the treasure code already sets up the value
		191	* 50 charges is used as the baseline.
		192	*/
178	if (QUERY_FLAG(tmp, FLAG_IDENTIFIED) || !need_identify(tmp) || identified)	193	if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified)
179	val=(val*tmp->stats.food) / 50;	194	val = (val * tmp->stats.food) / 50;
180	else /* if not identified, presume one charge */	195	else /* if not identified, presume one charge */
181	val/=50;	196	val /= 50;
182	}	197	}
183		198
184	/* Limit amount of money you can get for really great items. */	199	/* Limit amount of money you can get for really great items. */
185	if (flag==F_SELL)	200	if (flag == F_SELL)
186	val=value_limit((uint64)val, number, who, shop);	201	val = value_limit ((sint64) val, number, who, shop);
187		202
188	// use a nonlinear price adjustment. as my predecessor said, don't change	203	// use a nonlinear price adjustment. as my predecessor said, don't change
189	// the archetypes, its work required for balancing, and we don't care.	204	// the archetypes, its work required for balancing, and we don't care.
190	//val = pow (val, 1.05);	205	//val = pow (val, 1.05);
191		206
192	/* This modification is for bargaining skill.	207	/* This modification is for bargaining skill.
193	* Now only players with max level in bargaining	208	* Now only players with max level in bargaining
194	* AND Cha = 30 will get optimal price.	209	* AND Cha = 30 will get optimal price.
195	* Thus charisma will never get useless.	210	* Thus charisma will never get useless.
196	* -b.e. edler@heydernet.de	211	* -b.e. edler@heydernet.de
197	*/	212	*/
198		213
199	if (who!=NULL && who->type==PLAYER) {	214	if (who != NULL && who->type == PLAYER)
		215	{
200	int lev_bargain = 0;	216	int lev_bargain = 0;
201	int lev_identify = 0;	217	int lev_identify = 0;
202	int idskill1=0;	218	int idskill1 = 0;
203	int idskill2=0;	219	int idskill2 = 0;
204	const typedata *tmptype;	220	const typedata *tmptype;
205		221
206	tmptype=get_typedata(tmp->type);	222	tmptype = get_typedata (tmp->type);
207		223
208	if (find_skill_by_number(who,SK_BARGAINING)) {	224	if (find_skill_by_number (who, SK_BARGAINING))
209	lev_bargain = find_skill_by_number(who,SK_BARGAINING)->level;	225	lev_bargain = find_skill_by_number (who, SK_BARGAINING)->level;
210	}	226
211	if (tmptype) {	227	if (tmptype)
		228	{
212	idskill1=tmptype->identifyskill;	229	idskill1 = tmptype->identifyskill;
		230
213	if (idskill1) {	231	if (idskill1)
		232	{
214	idskill2=tmptype->identifyskill2;	233	idskill2 = tmptype->identifyskill2;
		234
215	if (find_skill_by_number(who,idskill1)) {	235	if (find_skill_by_number (who, idskill1))
216	lev_identify = find_skill_by_number(who,idskill1)->level;	236	lev_identify = find_skill_by_number (who, idskill1)->level;
		237
		238	if (idskill2 && find_skill_by_number (who, idskill2))
		239	lev_identify += find_skill_by_number (who, idskill2)->level;
217	}	240	}
218	if (idskill2 && find_skill_by_number(who,idskill2)) {
219	lev_identify += find_skill_by_number(who,idskill2)->level;
220	}	241	}
221	}	242	else
222	}
223	else LOG(llevError, "Query_cost: item %s hasn't got a valid type\n", &tmp->name);	243	LOG (llevError, "Query_cost: item %s hasn't got a valid type\n", tmp->debug_desc ());
224		244
225	/* ratio determines how much of the price modification	245	/* ratio determines how much of the price modification
226	* will come from the basic stat charisma	246	* will come from the basic stat charisma
227	* the rest will come from the level in bargaining skill	247	* the rest will come from the level in bargaining skill
228	*/	248	*/
229	const double cha_ratio = 0.40;	249	const double cha_ratio = 0.40;
230		250
231	diff = no_bargain ? 1.0 : 1. - pow (lev_bargain / (double)settings.max_level, 0.25);	251	diff = no_bargain ? 1.0 : 1. - pow (lev_bargain / (double) settings.max_level, 0.25);
232
233	diff = (1. - cha_ratio) * diff
234	+ cha_ratio * (cha_bonus[who->stats.Cha] - 1.) / (cha_bonus[who->stats.Cha] + 1.);	252	diff = (1. - cha_ratio) * diff + cha_ratio * (cha_bonus[who->stats.Cha] - 1.) / (cha_bonus[who->stats.Cha] + 1.);
235
236	diff = .02 + (.80 - .02) * diff;	253	diff = .02 + (.80 - .02) * diff;
237
238	if (flag == F_BUY) val += (val * diff);
239	else if (flag == F_SELL) val -= (val * diff);
240		254
		255	if (flag == F_BUY)
		256	val += val * diff;
		257	else if (flag == F_SELL)
		258	val -= val * diff;
		259
241	// now find a price range. the less good we can judge, the larger the range is	260	// now find a price range. the less good we can judge, the larger the range is
242	// then the range is adjusted randomly around the correct value	261	// then the range is adjusted randomly around the correct value
243	if (approximate)	262	if (approximate)
244	approx_range = uint64 (val / sqrt (lev_identify * 3 + 1));	263	approx_range = sint64 (val / sqrt (lev_identify * 3 + 1));
245	}
246		264	}
		265
247	/* I don't think this should really happen - if it does, it indicates and	266	/* I don't think this should really happen - if it does, it indicates and
248	* overflow of diff above. That shoudl only happen if	267	* overflow of diff above. That should only happen if
249	* we are selling objects - in that case, the person just	268	* we are selling objects - in that case, the person just
250	* gets no money.	269	* gets no money.
251	*/	270	*/
252	if((sint64)val<0)	271	if ((sint64) val < 0)
253	val=0;	272	val = 0;
254		273
255	/* Unidentified stuff won't sell for more than 60gp */	274	/* Unidentified stuff won't sell for more than 60gp */
256	if(flag==F_SELL && !QUERY_FLAG(tmp, FLAG_IDENTIFIED) && need_identify(tmp) && !identified) {	275	if (flag == F_SELL && !QUERY_FLAG (tmp, FLAG_IDENTIFIED) && need_identify (tmp) && !identified)
		276	{
257	val = (val > 600)? 600:val;	277	val = (val > 600) ? 600 : val;
258	}
259		278	}
		279
260	/* if we are in a shop, check how the type of shop should affect the price */	280	/* if we are in a shop, check how the type of shop should affect the price */
261	if (shop && who) {	281	if (shop && who)
		282	{
262	if (flag==F_SELL)	283	if (flag == F_SELL)
263	val= (	284	val = (val * shop_specialisation_ratio (tmp, who->map) * shopkeeper_approval (who->map, who) / shop_greed (who->map));
264	val
265	* shop_specialisation_ratio(tmp, who->map)
266	* shopkeeper_approval(who->map, who)
267	/ shop_greed(who->map)
268	);
269	else if (flag==F_BUY) {	285	else if (flag == F_BUY)
		286	{
270	/*	287	/*
271	* when buying, if the item was sold by another player, it is ok to	288	* when buying, if the item was sold by another player, it is ok to
272	* let the item be sold cheaper, according to the specialisation of	289	* let the item be sold cheaper, according to the specialisation of
273	* the shop. If a player sold an item here, then his sale price was	290	* the shop. If a player sold an item here, then his sale price was
274	* multiplied by the specialisation ratio, to do the same to the buy	291	* multiplied by the specialisation ratio, to do the same to the buy
275	* price will not generate extra money. However, the	292	* price will not generate extra money. However, the
276	* same is not true of generated items, these have to /divide/ by the	293	* same is not true of generated items, these have to /divide/ by the
277	* specialisation, so that the price is never less than what they could	294	* specialisation, so that the price is never less than what they could
278	* be sold for (otherwise players could camp map resets to make money).	295	* be sold for (otherwise players could camp map resets to make money).
279	* In game terms, a non-specialist shop, might not recognise the true	296	* In game terms, a non-specialist shop, might not recognise the true
280	* value of the items they sell (much like how people sometimes find	297	* value of the items they sell (much like how people sometimes find
281	* antiques in a junk shop in real life).	298	* antiques in a junk shop in real life).
282	*/	299	*/
283	if (QUERY_FLAG(tmp, FLAG_PLAYER_SOLD))	300	if (QUERY_FLAG (tmp, FLAG_PLAYER_SOLD))
284	val= (	301	val = (val * shop_greed (who->map) * shop_specialisation_ratio (tmp, who->map) / shopkeeper_approval (who->map, who));
285	val
286	* shop_greed(who->map)
287	* shop_specialisation_ratio(tmp, who->map)
288	/ shopkeeper_approval(who->map, who)
289	);
290	else	302	else
291	val= (
292	val
293	* shop_greed(who->map)
294	/ (shop_specialisation_ratio(tmp, who->map)*shopkeeper_approval(who->map, who))	303	val = (val * shop_greed (who->map) / (shop_specialisation_ratio (tmp, who->map) * shopkeeper_approval (who->map, who)));
295	);
296	}	304	}
		305
297	/* we will also have an extra 0-5% variation between shops of the same type	306	/* we will also have an extra 0-5% variation between shops of the same type
298	* for valuable items (below a value of 50 this effect wouldn't be very	307	* for valuable items (below a value of 50 this effect wouldn't be very
299	* pointful, and could give fun with rounding.	308	* pointful, and could give fun with rounding.
300	*/	309	*/
301	if(who->map->path!=NULL && val > 50)	310	//TODO: why use cosf at all, just % and scale linearly, gives more even distribution
302	val= (val+0.05*(sint64)val*cos(tmp->count+strlen(who->map->path)));	311	if (val > 50)
		312	val += float (val) * .05f * cosf ((tmp->uuid.seq & 0xffff) * float (M_PI * 2. / 0x10000));
303	}	313	}
		314
304	return (uint64)val;	315	return (sint64) val;
305	}	316	}
306		317
307	/* Find the coin type that is worth more the 'c'. Starts at the	318	/* Find the coin type that is worth more the 'c'. Starts at the
308	* cointype placement.	319	* cointype placement.
309	*/	320	*/
310		321
		322	static archetype *
311	static archetype *find_next_coin(uint64 c, int *cointype) {	323	find_next_coin (sint64 c, int *cointype)
		324	{
312	archetype *coin;	325	archetype *coin;
313		326
314	do	327	do
315	{	328	{
316	if (coins[*cointype] == NULL) return NULL;	329	if (coins[*cointype] == NULL)
		330	return NULL;
317	coin = find_archetype(coins[*cointype]);	331	coin = archetype::find (coins[*cointype]);
318	if (coin == NULL) return NULL;	332	if (coin == NULL)
		333	return NULL;
319	*cointype += 1;	334	*cointype += 1;
320	} while ((uint64) coin->clone.value > c);	335	}
		336	while (coin->value > c);
321		337
322	return coin;	338	return coin;
323	}	339	}
324		340
325	/* This returns a string of how much something is worth based on	341	/* This returns a string of how much something is worth based on
…		…
330	* have so much money that they have more than 2 billion platinum	346	* have so much money that they have more than 2 billion platinum
331	* coins, there are certainly issues - the easiest fix at that	347	* coins, there are certainly issues - the easiest fix at that
332	* time is to add a higher denomination (mithril piece with	348	* time is to add a higher denomination (mithril piece with
333	* 10,000 silver or something)	349	* 10,000 silver or something)
334	*/	350	*/
		351	const char *
335	const char *cost_string_from_value(uint64 cost, int approx)	352	cost_string_from_value (sint64 cost, int approx)
336	{	353	{
337	static char buf[MAX_BUF];	354	static char buf[MAX_BUF];
338	archetype *coin, *next_coin;	355	archetype *coin, *next_coin;
339	int num, cointype = 0;	356	int num, cointype = 0;
340		357
341	coin = find_next_coin(cost, &cointype);	358	coin = find_next_coin (cost, &cointype);
342	if (coin == NULL)	359	if (coin == NULL)
343	return "nothing";	360	return "nothing";
344		361
345	num = cost / coin->clone.value;	362	num = cost / coin->value;
346	/* so long as nrof is 32 bit, this is true.	363	/* so long as nrof is 32 bit, this is true.
347	* If it takes more coins than a person can possibly carry, this	364	* If it takes more coins than a person can possibly carry, this
348	* is basically true.	365	* is basically true.
349	*/	366	*/
350	if ( (cost / coin->clone.value) > UINT32_MAX) {	367	if ((cost / coin->value) > UINT32_MAX)
		368	{
351	strcpy(buf,"an unimaginable sum of money");	369	strcpy (buf, "an unimaginable sum of money");
352	return buf;	370	return buf;
353	}	371	}
354		372
355	cost -= (uint64)num * (uint64)coin->clone.value;	373	cost -= num * (sint64)coin->value;
		374
356	sprintf(buf, "%d %s", num, num > 1 ? &coin->clone.name_pl : &coin->clone.name);	375	sprintf (buf, "%d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name);
357		376
358	next_coin = find_next_coin(cost, &cointype);	377	next_coin = find_next_coin (cost, &cointype);
359	if (next_coin == NULL || approx)	378	if (next_coin == NULL || approx)
360	return buf;
361
362	coin = next_coin;
363	num = cost / coin->clone.value;
364	cost -= (uint64)num * (uint64)coin->clone.value;
365
366	sprintf (buf + strlen (buf), " and %d %s", num, num > 1 ? &coin->clone.name_pl : &coin->clone.name);
367
368	return buf;	379	return buf;
369	}
370		380
		381	coin = next_coin;
		382	num = cost / coin->value;
		383	cost -= num * (sint64)coin->value;
		384
		385	sprintf (buf + strlen (buf), " and %d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name);
		386
		387	return buf;
		388	}
		389
		390	const char *
371	const char *query_cost_string(const object *tmp,object *who,int flag) {	391	query_cost_string (const object *tmp, object *who, int flag)
		392	{
372	uint64 real_value = query_cost(tmp,who,flag);	393	sint64 real_value = query_cost (tmp, who, flag);
373	int idskill1=0;	394	int idskill1 = 0;
374	int idskill2=0;	395	int idskill2 = 0;
375	const typedata *tmptype;	396	const typedata *tmptype;
376		397
377	tmptype=get_typedata(tmp->type);	398	tmptype = get_typedata (tmp->type);
378	if (tmptype) {	399	if (tmptype)
		400	{
379	idskill1=tmptype->identifyskill;	401	idskill1 = tmptype->identifyskill;
380	idskill2=tmptype->identifyskill2;	402	idskill2 = tmptype->identifyskill2;
381	}	403	}
382		404
383	/* we show an approximate price if	405	/* we show an approximate price if
384	* 1) we are approximating	406	* 1) we are approximating
385	* 2) there either is no id skill(s) for the item, or we don't have them	407	* 2) there either is no id skill(s) for the item, or we don't have them
386	* 3) we don't have bargaining skill either	408	* 3) we don't have bargaining skill either
387	*/	409	*/
388	if (flag & F_APPROX) {	410	if (flag & F_APPROX)
		411	{
389	if (!idskill1 || !find_skill_by_number(who, idskill1)) {	412	if (!idskill1 || !find_skill_by_number (who, idskill1))
		413	{
390	if (!idskill2 || !find_skill_by_number(who, idskill2)) {	414	if (!idskill2 || !find_skill_by_number (who, idskill2))
		415	{
391	if (!find_skill_by_number(who,SK_BARGAINING)) {	416	if (!find_skill_by_number (who, SK_BARGAINING))
		417	{
392	static char buf[MAX_BUF];	418	static char buf[MAX_BUF];
393	int num, cointype = 0;	419	int num, cointype = 0;
394	archetype *coin = find_next_coin(real_value, &cointype);	420	archetype *coin = find_next_coin (real_value, &cointype);
395		421
		422	if (coin == NULL)
396	if (coin == NULL) return "nothing";	423	return "nothing";
397		424
398	num = real_value / coin->clone.value;	425	num = real_value / coin->value;
399	if (num == 1)	426	if (num == 1)
400	sprintf(buf, "about one %s", &coin->clone.name);	427	sprintf (buf, "about one %s", &coin->object::name);
401	else if (num < 5)	428	else if (num < 5)
402	sprintf(buf, "a few %s", &coin->clone.name_pl);	429	sprintf (buf, "a few %s", &coin->object::name_pl);
403	else if (num < 10)	430	else if (num < 10)
404	sprintf(buf, "several %s", &coin->clone.name_pl);	431	sprintf (buf, "several %s", &coin->object::name_pl);
405	else if (num < 25)	432	else if (num < 25)
406	sprintf(buf, "a moderate amount of %s", &coin->clone.name_pl);	433	sprintf (buf, "a moderate amount of %s", &coin->object::name_pl);
407	else if (num < 100)	434	else if (num < 100)
408	sprintf(buf, "lots of %s", &coin->clone.name_pl);	435	sprintf (buf, "lots of %s", &coin->object::name_pl);
409	else if (num < 1000)	436	else if (num < 1000)
410	sprintf(buf, "a great many %s", &coin->clone.name_pl);	437	sprintf (buf, "a great many %s", &coin->object::name_pl);
411	else	438	else
412	sprintf(buf, "a vast quantity of %s", &coin->clone.name_pl);	439	sprintf (buf, "a vast quantity of %s", &coin->object::name_pl);
413	return buf;	440	return buf;
414	}	441	}
415	}	442	}
416	}	443	}
417		444
418	int hash = ((unsigned int)tmp->count * 174364621) & 1023;	445	int hash = ((unsigned int) tmp->count * 174364621) & 1023;
419		446
420	if (approx_range)	447	if (approx_range)
421	{	448	{
422	uint64 lo = (sint64)real_value - (approx_range * hash >> 10);	449	sint64 lo = (sint64) real_value - (approx_range * hash >> 10);
423	static char buf[MAX_BUF];	450	static char buf[MAX_BUF];
424		451
425	sprintf (buf, "between %s", cost_string_from_value (lo, 1));	452	sprintf (buf, "between %s", cost_string_from_value (lo, 1));
426	sprintf (buf + strlen (buf), " and %s", cost_string_from_value (lo + approx_range, 1));	453	sprintf (buf + strlen (buf), " and %s", cost_string_from_value (lo + approx_range, 1));
427		454
428	return buf;	455	return buf;
429	}	456	}
430	}	457	}
431		458
432	return cost_string_from_value (real_value, 0);	459	return cost_string_from_value (real_value, 0);
433	}	460	}
434		461
435	/* This function finds out how much money the player is carrying,	462	/* This function finds out how much money the player is carrying,
436	* including what is in containers.	463	* including what is in containers.
437	*/	464	*/
		465	sint64
438	uint64 query_money(const object *op) {	466	query_money (const object *op)
		467	{
439	object *tmp;	468	object *tmp;
440	uint64 total=0;	469	sint64 total = 0;
441		470
442	if (op->type!=PLAYER && op->type!=CONTAINER) {	471	if (op->type != PLAYER && op->type != CONTAINER)
		472	{
443	LOG(llevError, "Query money called with non player/container\n");	473	LOG (llevError, "Query money called with non player/container\n");
444	return 0;	474	return 0;
445	}	475	}
		476
446	for (tmp = op->inv; tmp; tmp= tmp->below) {	477	for (tmp = op->inv; tmp; tmp = tmp->below)
447	if (tmp->type==MONEY) {	478	if (tmp->type == MONEY)
448	total += (uint64)tmp->nrof * (uint64)tmp->value;	479	total += tmp->nrof * (sint64)tmp->value;
449	} else if (tmp->type==CONTAINER &&	480	else if (tmp->type == CONTAINER && QUERY_FLAG (tmp, FLAG_APPLIED) && (tmp->race == NULL || strstr (tmp->race, "gold")))
450	QUERY_FLAG(tmp,FLAG_APPLIED) &&
451	(tmp->race==NULL || strstr(tmp->race,"gold"))) {
452	total += query_money(tmp);	481	total += query_money (tmp);
453	}	482
454	}
455	return total;	483	return total;
456	}	484	}
		485
457	/* TCHIZE: This function takes the amount of money from the	486	/* TCHIZE: This function takes the amount of money from the
458	* the player inventory and from it's various pouches using the	487	* the player inventory and from it's various pouches using the
459	* pay_from_container function.	488	* pay_from_container function.
460	* returns 0 if not possible. 1 if success	489	* returns 0 if not possible. 1 if success
461	*/	490	*/
		491	int
462	int pay_for_amount(uint64 to_pay,object *pl) {	492	pay_for_amount (sint64 to_pay, object *pl)
		493	{
463	object *pouch;	494	object *pouch;
464		495
465	if (to_pay==0) return 1;	496	if (to_pay == 0)
466	if (to_pay > query_money(pl)) return 0;
467
468	to_pay = pay_from_container(pl, pl, to_pay);
469
470	for (pouch=pl->inv; (pouch!=NULL) && (to_pay>0); pouch=pouch->below) {
471	if (pouch->type == CONTAINER
472	&& QUERY_FLAG(pouch, FLAG_APPLIED)
473	&& (pouch->race == NULL || strstr(pouch->race, "gold"))) {
474	to_pay = pay_from_container(pl, pouch, to_pay);
475	}
476	}
477	fix_player(pl);
478	return 1;	497	return 1;
		498
		499	if (to_pay > query_money (pl))
		500	return 0;
		501
		502	pay_from_container (pl, pl, to_pay);
		503
		504	for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
		505	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (pouch->race == NULL || strstr (pouch->race, "gold")))
		506	pay_from_container (pl, pouch, to_pay);
		507
		508	pl->update_stats ();
		509	return 1;
479	}	510	}
480		511
481	/* DAMN: This is now a wrapper for pay_from_container, which is	512	/* DAMN: This is now a wrapper for pay_from_container, which is
482	* called for the player, then for each active container that can hold	513	* called for the player, then for each active container that can hold
483	* money until op is paid for. Change will be left wherever the last	514	* money until op is paid for. Change will be left wherever the last
484	* of the price was paid from.	515	* of the price was paid from.
485	*/	516	*/
		517	int
486	int pay_for_item(object *op,object *pl) {	518	pay_for_item (object *op, object *pl)
		519	{
487	uint64 to_pay = query_cost(op,pl,F_BUY | F_SHOP);	520	sint64 to_pay = query_cost (op, pl, F_BUY | F_SHOP);
488	object *pouch;	521	object *pouch;
489	uint64 saved_money;	522	sint64 saved_money;
490		523
491	if (to_pay==0) return 1;	524	if (to_pay == 0)
492	if (to_pay>query_money(pl)) return 0;
493
494	/* We compare the paid price with the one for a player
495	* without bargaining skill.
496	* This determins the amount of exp (if any) gained for bargaining.
497	*/
498	saved_money = query_cost(op,pl,F_BUY | F_NO_BARGAIN | F_SHOP) - to_pay;
499
500	if (saved_money > 0)
501	change_exp(pl,saved_money,"bargaining",SK_EXP_NONE);
502
503	to_pay = pay_from_container(pl, pl, to_pay);
504
505	for (pouch=pl->inv; (pouch!=NULL) && (to_pay>0); pouch=pouch->below) {
506	if (pouch->type == CONTAINER
507	&& QUERY_FLAG(pouch, FLAG_APPLIED)
508	&& (pouch->race == NULL || strstr(pouch->race, "gold"))) {
509	to_pay = pay_from_container(pl, pouch, to_pay);
510	}
511	}
512	if (settings.real_wiz == FALSE && QUERY_FLAG(pl, FLAG_WAS_WIZ))
513	SET_FLAG(op, FLAG_WAS_WIZ);
514	fix_player(pl);
515	return 1;	525	return 1;
		526
		527	if (to_pay > query_money (pl))
		528	return 0;
		529
		530	/* We compare the paid price with the one for a player
		531	* without bargaining skill.
		532	* This determins the amount of exp (if any) gained for bargaining.
		533	*/
		534	saved_money = query_cost (op, pl, F_BUY | F_NO_BARGAIN | F_SHOP) - to_pay;
		535
		536	if (saved_money > 0)
		537	change_exp (pl, saved_money, "bargaining", SK_EXP_NONE);
		538
		539	pay_from_container (pl, pl, to_pay);
		540
		541	for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
		542	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (pouch->race == NULL || strstr (pouch->race, "gold")))
		543	pay_from_container (pl, pouch, to_pay);
		544
		545	pl->update_stats ();
		546
		547	return 1;
516	}	548	}
517		549
518	/* This pays for the item, and takes the proper amount of money off	550	/* This pays for the item, and takes the proper amount of money off
519	* the player.	551	* the player.
520	* CF 0.91.4 - this function is mostly redone in order to fix a bug	552	* CF 0.91.4 - this function is mostly redone in order to fix a bug
…		…
527	*	559	*
528	* pouch is the container (pouch or player) to remove the coins from.	560	* pouch is the container (pouch or player) to remove the coins from.
529	* to_pay is the required amount.	561	* to_pay is the required amount.
530	* returns the amount still missing after using "pouch".	562	* returns the amount still missing after using "pouch".
531	*/	563	*/
		564	static void
532	static uint64 pay_from_container(object *pl, object *pouch, uint64 to_pay) {	565	pay_from_container (object *pl, object *pouch, sint64 &to_pay)
		566	{
533	int count, i;	567	int count, i;
534	uint64 remain;	568	object *tmp, *next;
535	object *tmp, *coin_objs[NUM_COINS], *next;
536	archetype *at;	569	archetype *at;
537		570
538	if (pouch->type != PLAYER && pouch->type != CONTAINER) return to_pay;	571	if (pouch->type != PLAYER && pouch->type != CONTAINER)
		572	return;
539		573
540	remain = to_pay;	574	object *coin_objs[NUM_COINS] = { 0 };
541	for (i=0; i<NUM_COINS; i++) coin_objs[i] = NULL;
542		575
543	/* This hunk should remove all the money objects from the player/container */	576	/* This hunk should remove all the money objects from the player/container */
544	for (tmp=pouch->inv; tmp; tmp=next) {	577	for (tmp = pouch->inv; tmp; tmp = next)
		578	{
545	next = tmp->below;	579	next = tmp->below;
546		580
547	if (tmp->type == MONEY) {	581	if (tmp->type == MONEY)
		582	{
548	for (i=0; i<NUM_COINS; i++) {	583	for (i = 0; i < NUM_COINS; i++)
549	if (!strcmp(coins[NUM_COINS-1-i], tmp->arch->name) &&	584	{
550	(tmp->value == tmp->arch->clone.value) ) {	585	if (tmp->value == tmp->arch->value && !strcmp (coins[NUM_COINS - 1 - i], tmp->arch->archname))
551		586	{
552	/* This should not happen, but if it does, just *	587	// This should not happen, but if it does, just merge the two.
553	* merge the two. */
554	if (coin_objs[i]!=NULL) {	588	if (coin_objs [i])
		589	{
555	LOG(llevError,"%s has two money entries of (%s)\n",	590	LOG (llevError, "%s has two money entries of (%s)\n", &pouch->name, coins[NUM_COINS - 1 - i]);
556	&pouch->name, coins[NUM_COINS-1-i]);
557	remove_ob(tmp);	591	tmp->remove ();
558	coin_objs[i]->nrof += tmp->nrof;	592	coin_objs[i]->nrof += tmp->nrof;
559	esrv_del_item(pl->contr, tmp->count);	593	esrv_del_item (pl->contr, tmp->count);
560	free_object(tmp);	594	tmp->destroy ();
561	}	595	}
562	else {	596	else
		597	{
563	remove_ob(tmp);	598	tmp->remove ();
		599
		600	if (pouch->type == PLAYER)
564	if(pouch->type==PLAYER) esrv_del_item(pl->contr, tmp->count);	601	esrv_del_item (pl->contr, tmp->count);
		602
565	coin_objs[i] = tmp;	603	coin_objs[i] = tmp;
566	}	604	}
		605
567	break;	606	break;
568	}	607	}
569	}	608	}
		609
570	if (i==NUM_COINS)	610	if (i == NUM_COINS)
571	LOG(llevError,"in pay_for_item: Did not find string match for %s\n", &tmp->arch->name);	611	LOG (llevError, "in pay_for_item: Did not find string match for %s\n", &tmp->arch->archname);
572	}	612	}
573	}	613	}
574		614
575	/* Fill in any gaps in the coin_objs array - needed to make change. */	615	/* Fill in any gaps in the coin_objs array - needed to make change. */
576	/* Note that the coin_objs array goes from least value to greatest value */	616	/* Note that the coin_objs array goes from least value to greatest value */
577	for (i=0; i<NUM_COINS; i++)	617	for (i = 0; i < NUM_COINS; i++)
578	if (coin_objs[i]==NULL) {	618	if (!coin_objs[i])
		619	{
579	at = find_archetype(coins[NUM_COINS-1-i]);	620	at = archetype::find (coins[NUM_COINS - 1 - i]);
		621
		622	if (at == NULL)
580	if (at==NULL) LOG(llevError, "Could not find %s archetype\n", coins[NUM_COINS-1-i]);	623	LOG (llevError, "Could not find %s archetype\n", coins[NUM_COINS - 1 - i]);
		624
581	coin_objs[i] = arch_to_object (at);	625	coin_objs[i] = arch_to_object (at);
582	coin_objs[i]->nrof = 0;	626	coin_objs[i]->nrof = 0;
583	}	627	}
584		628
585	for (i=0; i<NUM_COINS; i++) {	629	for (i = 0; i < NUM_COINS; i++)
586	int num_coins;	630	{
		631	object &coin = *coin_objs[i];
		632	sint64 num_coins = min ((to_pay + coin.value - 1) / coin.value, coin.nrof);
		633	to_pay -= num_coins * coin.value;
587		634
588	if (coin_objs[i]->nrof*coin_objs[i]->value> remain) {
589	num_coins = remain / coin_objs[i]->value;
590	if ( (uint64) num_coins * (uint64) coin_objs[i]->value < remain ) num_coins++;
591	} else {
592	num_coins = coin_objs[i]->nrof;
593	}
594	remain -= (sint64) num_coins * (sint64)coin_objs[i]->value;
595	coin_objs[i]->nrof -= num_coins;	635	coin.nrof -= num_coins;
596	/* Now start making change. Start at the coin value	636	/* Now start making change. Start at the coin value
597	* below the one we just did, and work down to	637	* below the one we just did, and work down to
598	* the lowest value.	638	* the lowest value.
599	*/	639	*/
600	count=i-1;	640	count = i - 1;
		641
601	while (remain<0 && count>=0) {	642	while (to_pay < 0 && count >= 0)
		643	{
602	num_coins = -remain/ coin_objs[count]->value;	644	num_coins = (-to_pay) / coin_objs[count]->value;
603	coin_objs[count]->nrof += num_coins;	645	coin_objs[count]->nrof += num_coins;
604	remain += num_coins * coin_objs[count]->value;	646	to_pay += num_coins * coin_objs[count]->value;
605	count--;	647	count--;
606	}	648	}
607	}	649	}
		650
608	for (i=0; i<NUM_COINS; i++) {	651	for (i = 0; i < NUM_COINS; i++)
		652	{
609	if (coin_objs[i]->nrof) {	653	if (coin_objs[i]->nrof)
		654	{
610	object *tmp = insert_ob_in_ob(coin_objs[i], pouch);	655	object *tmp = insert_ob_in_ob (coin_objs[i], pouch);
611		656
612	esrv_send_item(pl, tmp);	657	esrv_send_item (pl, tmp);
613	esrv_send_item (pl, pouch);	658	esrv_send_item (pl, pouch);
		659
		660	if (pl != pouch)
614	if (pl != pouch) esrv_update_item (UPD_WEIGHT, pl, pouch);	661	esrv_update_item (UPD_WEIGHT, pl, pouch);
		662
615	if (pl->type != PLAYER) {	663	if (pl->type != PLAYER)
616	esrv_send_item (pl, pl);	664	esrv_send_item (pl, pl);
617	}	665	}
618	} else {	666	else
619	free_object(coin_objs[i]);	667	coin_objs[i]->destroy ();
620	}
621	}	668	}
622	return(remain);
623	}	669	}
624		670
625	/* Checks all unpaid items in op's inventory, adds up all the money they	671	/* Checks all unpaid items in op's inventory, adds up all the money they
626	* have, and checks that they can actually afford what they want to buy.	672	* have, and checks that they can actually afford what they want to buy.
627	* Returns 1 if they can, and 0 if they can't. also prints an appropriate message	673	* Returns 1 if they can, and 0 if they can't. also prints an appropriate message
628	* to the player	674	* to the player
629	*/	675	*/
630		676	int
631	int can_pay(object *pl) {	677	can_pay (object *pl)
		678	{
632	int unpaid_count = 0, i;	679	int unpaid_count = 0;
633	uint64 unpaid_price = 0;	680	sint64 unpaid_price = 0;
634	uint64 player_wealth = query_money(pl);	681	sint64 player_wealth = query_money (pl);
635	object *item;	682
636	uint32 coincount[NUM_COINS];
637	if (!pl || pl->type != PLAYER) {	683	if (!pl || pl->type != PLAYER)
		684	{
638	LOG(llevError, "can_pay(): called against something that isn't a player\n");	685	LOG (llevError, "can_pay(): called against something that isn't a player\n");
639	return 0;	686	return 0;
640	}	687	}
641	for (i=0; i< NUM_COINS; i++) coincount[i] = 0;	688
642	for (item = pl->inv;item;) {	689	for (object::depth_iterator item = pl->begin (); item != pl->end (); ++item)
643	if QUERY_FLAG(item, FLAG_UNPAID) {	690	if (QUERY_FLAG (item, FLAG_UNPAID))
		691	{
644	unpaid_count++;	692	unpaid_count++;
645	unpaid_price += query_cost(item, pl, F_BUY | F_SHOP);	693	unpaid_price += query_cost (item, pl, F_BUY | F_SHOP);
646	}	694	}
647	/* merely converting the player's monetary wealth won't do, if we did that,	695
648	* we could print the wrong numbers for the coins, so we count the money instead
649	*/
650	for (i=0; i< NUM_COINS; i++)
651	if (!strcmp(coins[i], item->arch->name))
652	coincount[i] += item->nrof;
653	if (item->inv) item = item->inv;
654	else if (item->below) item = item->below;
655	else if (item->env && item->env != pl && item->env->below) item = item->env->below;
656	else item = NULL;
657	}
658	if (unpaid_price > player_wealth) {	696	if (unpaid_price > player_wealth)
		697	{
659	char buf[MAX_BUF];	698	char buf[MAX_BUF];
660	char cost[MAX_BUF];	699	char cost[MAX_BUF];
661	char missing[MAX_BUF];	700	char missing[MAX_BUF];
662		701
663	sprintf(cost, "%s", cost_string_from_value (unpaid_price, 0));	702	snprintf (cost, MAX_BUF, "%s", cost_string_from_value (unpaid_price, 0));
664	sprintf(missing, "%s", cost_string_from_value (unpaid_price - player_wealth, 0));	703	snprintf (missing, MAX_BUF, "%s", cost_string_from_value (unpaid_price - player_wealth, 0));
665		704
666	sprintf(buf, "You have %d unpaid items that would cost you %s. You need another %s to be able to afford that.",	705	snprintf (buf, MAX_BUF, "You have %d unpaid items that would cost you %s. You need another %s to be able to afford that.",
667	unpaid_count, cost, missing);	706	unpaid_count, cost, missing);
668	new_draw_info(NDI_UNIQUE, 0, pl, buf);	707	new_draw_info (NDI_UNIQUE, 0, pl, buf);
		708
669	return 0;	709	return 0;
670	}	710	}
		711	else
671	else return 1;	712	return 1;
672	}	713	}
673
674		714
675	/* Better get_payment, descends containers looking for	715	/* Better get_payment, descends containers looking for
676	* unpaid items, and pays for them.	716	* unpaid items, and pays for them.
677	* returns 0 if the player still has unpaid items.	717	* returns 0 if the player still has unpaid items.
678	* returns 1 if the player has paid for everything.	718	* returns 1 if the player has paid for everything.
679	* pl is the player buying the stuff.	719	* pl is the player buying the stuff.
680	* op is the object we are examining. If op has
681	* and inventory, we examine that. IF there are objects
682	* below op, we descend down.
683	*/	720	*/
684	int get_payment(object *pl, object *op) {	721	int
		722	get_payment (object *pl)
		723	{
		724	for (;;)
		725	{
		726	next_item:
		727
		728	for (object::depth_iterator op = pl->begin (); op != pl->end (); ++op)
		729	{
		730	if (QUERY_FLAG (op, FLAG_UNPAID))
		731	{
685	char buf[MAX_BUF];	732	char buf[MAX_BUF];
686	int ret=1;	733	snprintf (buf, MAX_BUF, "%s", query_cost_string (op, pl, F_BUY | F_SHOP));
687		734
688	if (op!=NULL&&op->inv)
689	ret = get_payment(pl, op->inv);
690
691	if (!ret)
692	return 0;
693
694	if (op!=NULL&&op->below)
695	ret = get_payment (pl, op->below);
696
697	if (!ret)
698	return 0;
699
700	if(op!=NULL&&QUERY_FLAG(op,FLAG_UNPAID)) {
701	strncpy(buf,query_cost_string(op,pl,F_BUY | F_SHOP),MAX_BUF);
702	buf[MAX_BUF-1] = '\0';
703	if(!pay_for_item(op,pl)) {	735	if (!pay_for_item (op, pl))
		736	{
704	uint64 i=query_cost(op,pl,F_BUY | F_SHOP) - query_money(pl);	737	sint64 i = query_cost (op, pl, F_BUY | F_SHOP) - query_money (pl);
		738
705	CLEAR_FLAG(op, FLAG_UNPAID);	739	CLEAR_FLAG (op, FLAG_UNPAID);
706	new_draw_info_format(NDI_UNIQUE, 0, pl,	740	new_draw_info_format (NDI_UNIQUE, 0, pl, "You lack %s to buy %s.", cost_string_from_value (i, 0), query_name (op));
707	"You lack %s to buy %s.", cost_string_from_value (i, 0),
708	query_name(op));
709	SET_FLAG(op, FLAG_UNPAID);	741	SET_FLAG (op, FLAG_UNPAID);
710	return 0;	742	return 0;
711	} else {
712	object *tmp;
713	tag_t c = op->count;
714
715	CLEAR_FLAG(op, FLAG_UNPAID);
716	CLEAR_FLAG(op, FLAG_PLAYER_SOLD);
717	new_draw_info_format(NDI_UNIQUE, 0, op,
718	"You paid %s for %s.",buf,query_name(op));
719	tmp=merge_ob(op,NULL);
720	if (pl->type == PLAYER) {
721	if (tmp) { /* it was merged */
722	esrv_del_item (pl->contr, c);
723	op = tmp;
724	}	743	}
		744	else
		745	{
		746	object *tmp;
		747
		748	CLEAR_FLAG (op, FLAG_UNPAID);
		749	CLEAR_FLAG (op, FLAG_PLAYER_SOLD);
		750	new_draw_info_format (NDI_UNIQUE, 0, op, "You paid %s for %s.", buf, query_name (op));
		751	tmp = merge_ob (op, NULL);
		752
		753	if (pl->type == PLAYER)
		754	{
		755	if (tmp)
		756	{ /* it was merged */
		757	esrv_del_item (pl->contr, op->count);
		758	op = tmp;
		759	}
		760
725	esrv_send_item(pl, op);	761	esrv_send_item (pl, op);
		762	}
		763
		764	goto next_item;
		765	}
726	}	766	}
727	}	767	}
728	}	768
729	return 1;	769	return 1;
		770	}
730	}	771	}
731		772
732	/* written by elmex:	773	/* written by elmex:
733	* moved this code from sell_item () here to have a function	774	* moved this code from sell_item () here to have a function
734	* that pays the player an amount. Mainly put the code here to	775	* that pays the player an amount. Mainly put the code here to
…		…
738	* in his inventory anyway. This is the best alternative to not pay any money	779	* in his inventory anyway. This is the best alternative to not pay any money
739	* or put it on the ground under the player. This way the player can still	780	* or put it on the ground under the player. This way the player can still
740	* go somewhere and unload the money at a safe place.	781	* go somewhere and unload the money at a safe place.
741	*	782	*
742	*/	783	*/
		784	void
743	void pay_player (object *pl, uint64 amount) {	785	pay_player (object *pl, sint64 amount)
		786	{
744	int count = 0;	787	int count = 0;
745	archetype *at = 0;	788	archetype *at = 0;
746	object *pouch = 0, *tmp = 0;	789	object *pouch = 0, *tmp = 0;
747		790
748	for (count = 0; coins[count] != NULL; count++)	791	for (count = 0; coins[count] != NULL; count++)
749	{	792	{
750	at = find_archetype (coins[count]);	793	at = archetype::find (coins[count]);
751		794
752	if (at == NULL)	795	if (at == NULL)
753	LOG(llevError, "Could not find %s archetype\n", coins[count]);	796	LOG (llevError, "Could not find %s archetype\n", coins[count]);
754	else if ((amount / at->clone.value) > 0)	797	else if ((amount / at->value) > 0)
755	{	798	{
756	for (pouch=pl->inv; pouch; pouch=pouch->below)	799	for (pouch = pl->inv; pouch; pouch = pouch->below)
757	{	800	{
758	if (pouch->type == CONTAINER	801	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && pouch->race && strstr (pouch->race, "gold"))
759	&& QUERY_FLAG (pouch, FLAG_APPLIED)
760	&& pouch->race
761	&& strstr (pouch->race, "gold"))
762	{	802	{
763	int w = at->clone.weight * (100 - pouch->stats.Str) / 100;	803	int w = at->weight * (100 - pouch->stats.Str) / 100;
764	int n = amount / at->clone.value;	804	int n = amount / at->value;
765		805
766	if (w == 0)	806	if (w == 0)
767	w = 1; /* Prevent divide by zero */	807	w = 1; /* Prevent divide by zero */
768		808
769	if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit))	809	if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit))
770	{	810	{
771	if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n)	811	if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n)
772	n = (pouch->weight_limit - pouch->carrying) / w;	812	n = (pouch->weight_limit - pouch->carrying) / w;
773		813
774	tmp = arch_to_object (at);	814	tmp = arch_to_object (at);
775	tmp->nrof = n;	815	tmp->nrof = n;
776	amount -= (uint64)tmp->nrof * (uint64)tmp->value;	816	amount -= tmp->nrof * tmp->value;
777	tmp = insert_ob_in_ob (tmp, pouch);	817	tmp = insert_ob_in_ob (tmp, pouch);
778	esrv_send_item (pl, tmp);	818	esrv_send_item (pl, tmp);
779	esrv_send_item (pl, pouch);	819	esrv_send_item (pl, pouch);
780	esrv_update_item (UPD_WEIGHT, pl, pouch);	820	esrv_update_item (UPD_WEIGHT, pl, pouch);
781	esrv_send_item (pl, pl);	821	esrv_send_item (pl, pl);
782	}	822	}
783	}	823	}
784	}	824	}
785		825
786	if (amount / at->clone.value > 0)	826	if (amount / at->value > 0)
787	{	827	{
788	tmp = arch_to_object (at);	828	tmp = arch_to_object (at);
789	tmp->nrof = amount / tmp->value;	829	tmp->nrof = amount / tmp->value;
790	amount -= (uint64)tmp->nrof * (uint64)tmp->value;	830	amount -= tmp->nrof * tmp->value;
791	tmp = insert_ob_in_ob (tmp, pl);	831	tmp = insert_ob_in_ob (tmp, pl);
792	esrv_send_item (pl, tmp);	832	esrv_send_item (pl, tmp);
793	esrv_send_item (pl, pl);	833	esrv_send_item (pl, pl);
794	}	834	}
795	}	835	}
796	}	836	}
797		837
798	if (amount != 0)	838	if (amount != 0)
799	#ifndef WIN32
800	LOG (llevError,"Warning - payment in pay_player () not zero: %llu\n", amount);	839	LOG (llevError, "Warning - payment in pay_player () not zero: %llu\n", amount);
801	#else
802	LOG (llevError,"Warning - payment in pay_player () not zero: %I64u\n", amount);
803	#endif
804	}	840	}
805		841
806	/* elmex: this is for the bank plugin :( */	842	/* elmex: this is for the bank plugin :( */
		843	sint64
807	uint64 pay_player_arch (object *pl, const char *arch, uint64 amount) {	844	pay_player_arch (object *pl, const char *arch, sint64 amount)
		845	{
808	archetype *at = find_archetype (arch);	846	archetype *at = archetype::find (arch);
809	object *tmp = NULL;	847	object *tmp = NULL;
810		848
811	if (at == NULL)	849	if (at == NULL)
812	return 0;	850	return 0;
813		851
…		…
828	* buy item.	866	* buy item.
829	*	867	*
830	* Modified to fill available race: gold containers before dumping	868	* Modified to fill available race: gold containers before dumping
831	* remaining coins in character's inventory.	869	* remaining coins in character's inventory.
832	*/	870	*/
		871	void
833	void sell_item(object *op, object *pl) {	872	sell_item (object *op, object *pl)
		873	{
834	uint64 amount = query_cost (op,pl,F_SELL | F_SHOP), extra_gain;	874	sint64 amount = query_cost (op, pl, F_SELL | F_SHOP), extra_gain;
835		875
836	if(pl==NULL || pl->type != PLAYER)	876	if (pl == NULL || pl->type != PLAYER)
837	{	877	{
838	LOG(llevDebug,"Object other than player tried to sell something.\n");	878	LOG (llevDebug, "Object other than player tried to sell something.\n");
839	return;	879	return;
840	}	880	}
841		881
842	op->custom_name = 0;	882	op->custom_name = 0;
843		883
844	if(!amount)	884	if (!amount)
845	{	885	{
846	new_draw_info_format (NDI_UNIQUE, 0, pl,	886	new_draw_info_format (NDI_UNIQUE, 0, pl, "We're not interested in %s.", query_name (op));
847	"We're not interested in %s.", query_name (op));
848		887
849	/* Even if the character doesn't get anything for it, it may still be	888	/* Even if the character doesn't get anything for it, it may still be
850	* worth something. If so, make it unpaid	889	* worth something. If so, make it unpaid
851	*/	890	*/
852	if (op->value)	891	if (op->value)
853	{	892	{
854	SET_FLAG(op, FLAG_UNPAID);	893	SET_FLAG (op, FLAG_UNPAID);
855	SET_FLAG(op, FLAG_PLAYER_SOLD);	894	SET_FLAG (op, FLAG_PLAYER_SOLD);
856	}	895	}
857		896
858	identify (op);	897	identify (op);
859	return;	898	return;
860	}	899	}
…		…
865	* exp/10 -> 1 for each gold coin	904	* exp/10 -> 1 for each gold coin
866	*/	905	*/
867	extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP);	906	extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP);
868		907
869	if (extra_gain > 0)	908	if (extra_gain > 0)
870	change_exp(pl, extra_gain / 10, "bargaining", SK_EXP_NONE);	909	change_exp (pl, extra_gain / 10, "bargaining", SK_EXP_NONE);
871		910
872	pay_player (pl, amount);	911	pay_player (pl, amount);
873		912
874	new_draw_info_format (NDI_UNIQUE, 0, pl,	913	new_draw_info_format (NDI_UNIQUE, 0, pl, "You receive %s for %s.", query_cost_string (op, pl, F_SELL | F_SHOP), query_name (op));
875	"You receive %s for %s.", query_cost_string (op, pl, F_SELL | F_SHOP),
876	query_name (op));
877		914
878	SET_FLAG (op, FLAG_UNPAID);	915	SET_FLAG (op, FLAG_UNPAID);
879	identify (op);	916	identify (op);
880	}	917	}
881		918
882		919
883	/* returns a double that is the ratio of the price that a shop will offer for	920	/* returns a double that is the ratio of the price that a shop will offer for
884	* item based on the shops specialisation. Does not take account of greed,	921	* item based on the shops specialisation. Does not take account of greed,
885	* returned value is between (2*SPECIALISATION_EFFECT-1) and 1 and in any	922	* returned value is between SPECIALISATION_EFFECT and 1.
886	* event is never less than 0.1 (calling functions divide by it)
887	*/	923	*/
		924	static double
888	static double shop_specialisation_ratio(const object *item, const mapstruct *map) {	925	shop_specialisation_ratio (const object *item, const maptile *map)
		926	{
889	shopitems *items=map->shopitems;	927	shopitems *items = map->shopitems;
890	double ratio = SPECIALISATION_EFFECT, likedness=0.001;	928	double likedness = 0.;
891	int i;	929	int i;
892		930
893	if (item==NULL) {	931	if (item == NULL)
		932	{
894	LOG(llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", map->path);	933	LOG (llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", &map->path);
895	return 0;	934	return 0;
896	}	935	}
		936
897	if (!item->type) {	937	if (!item->type)
		938	{
898	LOG(llevError, "shop_specialisation_ratio: passed an item with an invalid type\n");	939	LOG (llevError, "shop_specialisation_ratio: passed an item with an invalid type\n");
899	/*	940	/*
900	* I'm not really sure what the /right/ thing to do here is, these types of	941	* I'm not really sure what the /right/ thing to do here is, these types of
901	* item shouldn't exist anyway, but returning the ratio is probably the best bet.."	942	* item shouldn't exist anyway, but returning the ratio is probably the best bet.."
902	*/	943	*/
903	return ratio;	944	return SPECIALISATION_EFFECT;
904	}	945	}
		946
905	if (map->shopitems) {	947	if (map->shopitems)
		948	{
906	for (i=0; i<items[0].index; i++)	949	for (i = 0; i < items[0].index; i++)
907	if (items[i].typenum==item->type || (!items[i].typenum && likedness == 0.001))	950	if (items[i].typenum == item->type || (!items[i].typenum && likedness == 0.001))
908	likedness = items[i].strength/100.0;	951	likedness = items[i].strength / 100.0;
909	}	952	}
910	if (likedness > 1.0) { /* someone has been rather silly with the map headers. */	953
		954	if (likedness > 1.0)
		955	{ /* someone has been rather silly with the map headers. */
911	LOG(llevDebug, "shop_specialisation ratio: item type %d on map %s is above 100%%\n",	956	LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is above 100%%\n", item->type, &map->path);
912	item->type, map->path);
913	likedness = 1.0;	957	likedness = 1.0;
914	}	958	}
		959
915	if (likedness < -1.0) {	960	if (likedness < -1.0)
		961	{
916	LOG(llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n",	962	LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n", item->type, &map->path);
917	item->type, map->path);
918	likedness = -1.0;	963	likedness = -1.0;
919	}	964	}
920	ratio = ratio + (1.0-ratio) * likedness;	965
921	if (ratio <= 0.1) ratio=0.1; /* if the ratio were much lower than this, we would get silly prices */	966	return lerp (likedness, -1., 1., SPECIALISATION_EFFECT, 1.);
922	return ratio;
923	}	967	}
924		968
925	/*returns the greed of the shop on map, or 1 if it isn't specified. */	969	/*returns the greed of the shop on map, or 1 if it isn't specified. */
926	static double shop_greed(const mapstruct *map) {	970	static double
927	double greed=1.0;	971	shop_greed (const maptile *map)
928	if (map->shopgreed)	972	{
929	return map->shopgreed;	973	return map->shopgreed
930	return greed;	974	? map->shopgreed
		975	: 1.;
931	}	976	}
932		977
933	/* Returns a double based on how much the shopkeeper approves of the player.	978	/* Returns a double based on how much the shopkeeper approves of the player.
934	* this is based on the race of the shopkeeper and that of the player.	979	* this is based on the race of the shopkeeper and that of the player.
935	*/	980	*/
		981	double
936	double shopkeeper_approval(const mapstruct *map, const object *player) {	982	shopkeeper_approval (const maptile *map, const object *player)
937	double approval=1.0;	983	{
938		984	return map->shoprace && player->race != map->shoprace
939	if (map->shoprace) {	985	? DISLIKE_RATIO
940	approval=NEUTRAL_RATIO;	986	: 1.;
941	if (player->race && !strcmp(player->race, map->shoprace)) approval = 1.0;
942	}
943	return approval;
944	}	987	}
945		988
946	/* limit the value of items based on the wealth of the shop. If the item is close	989	/* limit the value of items based on the wealth of the shop. If the item is close
947	* to the maximum value a shop will offer, we start to reduce it, if the item is	990	* to the maximum value a shop will offer, we start to reduce it, if the item is
948	* below the minimum value the shop is prepared to trade in, then we don't	991	* below the minimum value the shop is prepared to trade in, then we don't
949	* want it and offer nothing. If it isn't a shop, check whether we should do generic	992	* want it and offer nothing. If it isn't a shop, check whether we should do generic
950	* value reduction.	993	* value reduction.
951	*	994	*
952	*/	995	*/
		996	static sint64
953	static uint64 value_limit (uint64 val, int quantity, const object *who, int isshop) {	997	value_limit (sint64 val, int quantity, const object *who, int isshop)
		998	{
954	uint64 newval, unit_price, tmpshopmax;	999	sint64 newval, unit_price, tmpshopmax;
955	mapstruct *map;	1000	maptile *map;
956		1001
957	unit_price = val / quantity;	1002	unit_price = val / quantity;
958		1003
959	if (!isshop || !who)	1004	if (!isshop || !who)
960	{	1005	{
961	if (unit_price > 250000)	1006	if (unit_price > 250000)
962	newval = (uint64) (250000. - pow (250000., .75) * 65. + pow (unit_price, .75) * 65.);	1007	newval = (sint64) (250000. - pow (250000., .75) * 65. + pow (unit_price, .75) * 65.);
963	else	1008	else
964	newval = unit_price;	1009	newval = unit_price;
965	}	1010	}
966	else	1011	else
967	{	1012	{
968	if (!who->map)	1013	if (!who->map)
969	{	1014	{
970	LOG(llevError, "value_limit: asked shop price for ob %s on NULL map\n", &who->name);	1015	LOG (llevError, "value_limit: asked shop price for ob %s on NULL map\n", &who->name);
971	return val;	1016	return val;
972	}	1017	}
973		1018
974	map = who->map;	1019	map = who->map;
975		1020
976	tmpshopmax = map->shopmax ? map->shopmax : 100000; // 20 royalties default	1021	tmpshopmax = map->shopmax ? map->shopmax : 100000; // 20 royalties default
977		1022
978	if (map->shopmin && unit_price < map->shopmin)	1023	if (map->shopmin && unit_price < map->shopmin)
979	return 0;	1024	return 0;
980	else if (unit_price > tmpshopmax / 2)	1025	else if (unit_price > tmpshopmax / 2)
981	newval = MIN ((tmpshopmax / 2) + isqrt (unit_price - tmpshopmax / 2), tmpshopmax);	1026	newval = MIN ((tmpshopmax / 2) + isqrt (unit_price - tmpshopmax / 2), tmpshopmax);
982	else	1027	else
983	newval=unit_price;	1028	newval = unit_price;
984	}	1029	}
985		1030
986	newval *= quantity;	1031	newval *= quantity;
987		1032
988	return newval;	1033	return newval;
989	}	1034	}
990		1035
991	/* gives a desciption of the shop on their current map to the player op. */	1036	/* gives a desciption of the shop on their current map to the player op. */
		1037	int
992	int describe_shop(const object *op) {	1038	describe_shop (const object *op)
		1039	{
993	mapstruct *map = op->map;	1040	maptile *map = op->map;
		1041
994	/*shopitems *items=map->shopitems;*/	1042	/*shopitems *items=map->shopitems; */
995	int pos=0, i;	1043	int pos = 0, i;
996	double opinion=0;	1044	double opinion = 0;
997	char tmp[MAX_BUF]="\0";	1045	char tmp[MAX_BUF] = "\0";
		1046
998	if (op->type != PLAYER) return 0;	1047	if (op->type != PLAYER)
		1048	return 0;
999		1049
1000	/*check if there is a shop specified for this map */	1050	/*check if there is a shop specified for this map */
1001	if (map->shopitems || map->shopgreed || map->shoprace || map->shopmin || map->shopmax) {	1051	if (map->shopitems || map->shopgreed || map->shoprace || map->shopmin || map->shopmax)
		1052	{
1002	new_draw_info(NDI_UNIQUE,0,op,"From looking at the nearby shop you determine that it trades in:");	1053	new_draw_info (NDI_UNIQUE, 0, op, "From looking at the nearby shop you determine that it trades in:");
		1054
1003	if (map->shopitems) {	1055	if (map->shopitems)
1004	for (i=0; i < map->shopitems[0].index; i++) {	1056	for (i = 0; i < map->shopitems[0].index; i++)
1005	if (map->shopitems[i].name && map->shopitems[i].strength > 10) {	1057	if (map->shopitems[i].name && map->shopitems[i].strength > 10)
		1058	{
1006	snprintf(tmp+pos, sizeof(tmp)-pos, "%s, ", map->shopitems[i].name_pl);	1059	snprintf (tmp + pos, sizeof (tmp) - pos, "%s, ", map->shopitems[i].name_pl);
1007	pos += strlen(tmp+pos);	1060	pos += strlen (tmp + pos);
1008	}
1009	}	1061	}
1010	}	1062
		1063	if (!pos)
1011	if (!pos) strcat(tmp, "a little of everything.");	1064	strcat (tmp, "a little of everything.");
1012		1065
1013	/* format the string into a list */	1066	/* format the string into a list */
1014	make_list_like(tmp);	1067	make_list_like (tmp);
1015	new_draw_info_format(NDI_UNIQUE, 0, op, "%s", tmp);	1068	new_draw_info_format (NDI_UNIQUE, 0, op, "%s", tmp);
1016		1069
1017	if (map->shopmax)	1070	if (map->shopmax)
1018	new_draw_info_format(NDI_UNIQUE,0,op,"It won't trade for items above %s.",	1071	new_draw_info_format (NDI_UNIQUE, 0, op, "It won't trade for items above %s.", cost_string_from_value (map->shopmax, 0));
1019	cost_string_from_value(map->shopmax, 0));	1072
1020	if (map->shopmin)	1073	if (map->shopmin)
1021	new_draw_info_format(NDI_UNIQUE,0,op,"It won't trade in items worth less than %s.",	1074	new_draw_info_format (NDI_UNIQUE, 0, op, "It won't trade in items worth less than %s.", cost_string_from_value (map->shopmin, 0));
1022	cost_string_from_value(map->shopmin, 0));	1075
1023	if (map->shopgreed) {	1076	if (map->shopgreed)
		1077	{
1024	if (map->shopgreed >2.0)	1078	if (map->shopgreed > 2.0)
1025	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge massively.");	1079	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge massively.");
1026	else if (map->shopgreed >1.5)	1080	else if (map->shopgreed > 1.5)
1027	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge substantially.");	1081	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge substantially.");
1028	else if (map->shopgreed >1.1)	1082	else if (map->shopgreed > 1.1)
1029	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge slightly.");	1083	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge slightly.");
1030	else if (map->shopgreed <0.9)	1084	else if (map->shopgreed < 0.9)
1031	new_draw_info(NDI_UNIQUE,0,op,"It tends to undercharge.");	1085	new_draw_info (NDI_UNIQUE, 0, op, "It tends to undercharge.");
1032	}	1086	}
		1087
1033	if (map->shoprace) {	1088	if (map->shoprace)
		1089	{
1034	opinion=shopkeeper_approval(map, op);	1090	opinion = shopkeeper_approval (map, op);
1035	if (opinion > 0.8)	1091	if (opinion > 0.8)
1036	new_draw_info(NDI_UNIQUE,0,op,"You think the shopkeeper likes you.");	1092	new_draw_info (NDI_UNIQUE, 0, op, "You think the shopkeeper likes you.");
1037	else if (opinion > 0.5)	1093	else if (opinion > 0.5)
1038	new_draw_info(NDI_UNIQUE,0,op,"The shopkeeper seems unconcerned by you.");	1094	new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper seems unconcerned by you.");
1039	else	1095	else
1040	new_draw_info(NDI_UNIQUE,0,op,"The shopkeeper seems to have taken a dislike to you.");	1096	new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper seems to have taken a dislike to you.");
1041	}	1097	}
1042	}	1098	}
		1099	else
1043	else new_draw_info(NDI_UNIQUE,0,op,"There is no shop nearby.");	1100	new_draw_info (NDI_UNIQUE, 0, op, "There is no shop nearby.");
1044		1101
1045	return 1;	1102	return 1;
1046	}	1103	}
1047	typedef struct shopinv {	1104
		1105	struct shopinv
		1106	{
1048	char *item_sort;	1107	char *item_sort;
1049	char *item_real;	1108	char *item_real;
1050	uint16 type;	1109	uint16 type;
1051	uint32 nrof;	1110	uint32 nrof;
1052	} shopinv;	1111	};
1053		1112
1054	/* There are a lot fo extra casts in here just to suppress warnings - it	1113	/* There are a lot fo extra casts in here just to suppress warnings - it
1055	* makes it look uglier than it really it.	1114	* makes it look uglier than it really it.
1056	* The format of the strings we get is type:name. So we first want to	1115	* The format of the strings we get is type:name. So we first want to
1057	* sort by type (numerical) - if the same type, then sort by name.	1116	* sort by type (numerical) - if the same type, then sort by name.
1058	*/	1117	*/
		1118	static int
1059	static int shop_sort(const void *a1, const void *a2)	1119	shop_sort (const void *a1, const void *a2)
1060	{	1120	{
1061	shopinv *s1 = (shopinv*)a1, *s2= (shopinv*)a2;	1121	shopinv *s1 = (shopinv *) a1, *s2 = (shopinv *) a2;
1062		1122
1063	if (s1->type<s2->type) return -1;	1123	if (s1->type < s2->type)
		1124	return -1;
1064	if (s1->type>s2->type) return 1;	1125	if (s1->type > s2->type)
		1126	return 1;
		1127
1065	/* the type is the same (what atoi gets), so do a strcasecmp to sort	1128	/* the type is the same (what atoi gets), so do a strcasecmp to sort
1066	* via alphabetical order	1129	* via alphabetical order
1067	*/	1130	*/
1068	return strcasecmp(s1->item_sort, s2->item_sort);	1131	return strcasecmp (s1->item_sort, s2->item_sort);
1069	}	1132	}
1070		1133
		1134	static void
1071	static void add_shop_item(object *tmp, shopinv *items, int *numitems, int *numallocated)	1135	add_shop_item (object *tmp, shopinv * items, int *numitems, int *numallocated)
1072	{	1136	{
1073	#if 0	1137	#if 0
1074	char buf[MAX_BUF];	1138	char buf[MAX_BUF];
1075	#endif	1139	#endif
1076	/* clear unpaid flag so that doesn't come up in query	1140	/* clear unpaid flag so that doesn't come up in query
1077	* string. We clear nrof so that we can better sort	1141	* string. We clear nrof so that we can better sort
1078	* the object names.	1142	* the object names.
1079	*/	1143	*/
1080		1144
1081	CLEAR_FLAG(tmp, FLAG_UNPAID);	1145	CLEAR_FLAG (tmp, FLAG_UNPAID);
1082	items[*numitems].nrof=tmp->nrof;	1146	items[*numitems].nrof = tmp->nrof;
1083	/* Non mergable items have nrof of 0, but count them as one	1147	/* Non mergable items have nrof of 0, but count them as one
1084	* so the display is properly.	1148	* so the display is properly.
1085	*/	1149	*/
1086	if (tmp->nrof == 0) items[*numitems].nrof++;	1150	if (tmp->nrof == 0)
		1151	items[*numitems].nrof++;
1087	items[*numitems].type=tmp->type;	1152	items[*numitems].type = tmp->type;
1088		1153
1089	switch (tmp->type) {	1154	switch (tmp->type)
		1155	{
1090	#if 0	1156	#if 0
1091	case BOOTS:	1157	case BOOTS:
1092	case GLOVES:	1158	case GLOVES:
1093	case RING:	1159	case RING:
1094	case AMULET:	1160	case AMULET:
1095	case BRACERS:	1161	case BRACERS:
1096	case GIRDLE:	1162	case GIRDLE:
1097	sprintf(buf,"%s %s",query_base_name(tmp,0),describe_item(tmp, NULL));	1163	sprintf (buf, "%s %s", query_base_name (tmp, 0), describe_item (tmp, NULL));
1098	items[*numitems].item_sort = strdup_local(buf);	1164	items[*numitems].item_sort = strdup (buf);
1099	sprintf(buf,"%s %s",query_name(tmp),describe_item(tmp, NULL));	1165	sprintf (buf, "%s %s", query_name (tmp), describe_item (tmp, NULL));
1100	items[*numitems].item_real = strdup_local(buf);	1166	items[*numitems].item_real = strdup (buf);
1101	(*numitems)++;	1167	(*numitems)++;
1102	break;	1168	break;
1103	#endif	1169	#endif
1104		1170
1105	default:	1171	default:
1106	items[*numitems].item_sort = strdup_local(query_base_name(tmp, 0));	1172	items[*numitems].item_sort = strdup (query_base_name (tmp, 0));
1107	items[*numitems].item_real = strdup_local(query_base_name(tmp, 1));	1173	items[*numitems].item_real = strdup (query_base_name (tmp, 1));
1108	(*numitems)++;	1174	(*numitems)++;
1109	break;	1175	break;
1110	}	1176	}
1111	SET_FLAG(tmp, FLAG_UNPAID);	1177	SET_FLAG (tmp, FLAG_UNPAID);
1112	}	1178	}
1113		1179
1114	void shop_listing(object *op)	1180	void
		1181	shop_listing (object *sign, object *op)
1115	{	1182	{
1116	int i,j,numitems=0,numallocated=0, nx, ny;	1183	int i, j, numitems = 0, numallocated = 0, x1, x2, y1, y2;
1117	char *map_mark = (char *) calloc(MAGIC_MAP_SIZE * MAGIC_MAP_SIZE,1);	1184	const char *shop_coords = get_ob_key_value (sign, "shop_coords");
1118	object *stack;	1185	object *stack;
1119	shopinv *items;	1186	shopinv *items;
1120		1187
1121	/* Should never happen, but just in case a monster does apply a sign */	1188	/* Should never happen, but just in case a monster does apply a sign */
1122	if (op->type!=PLAYER) return;	1189	if (op->type != PLAYER)
		1190	return;
1123		1191
1124	new_draw_info(NDI_UNIQUE, 0, op, "\nThe shop contains:");	1192	if (!(shop_coords && sscanf (shop_coords, "%d,%d,%d,%d", &x1, &y1, &x2, &y2)))
		1193	{
		1194	x1 = 0;
		1195	y1 = 0;
		1196	x2 = op->map->width - 1;
		1197	y2 = op->map->height - 1;
		1198	}
1125		1199
1126	magic_mapping_mark(op, map_mark, 3);
1127	items=(shopinv*)malloc(40*sizeof(shopinv));	1200	items = (shopinv *) malloc (40 * sizeof (shopinv));
1128	numallocated=40;	1201	numallocated = 40;
1129		1202
1130	/* Find all the appropriate items */	1203	/* Find all the appropriate items */
1131	for (i=0; i<MAP_WIDTH(op->map); i++) {	1204	for (i = x1; i <= x2; i++)
1132	for (j=0; j<MAP_HEIGHT(op->map); j++) {	1205	{
1133	/* magic map code now centers the map on the object at MAGIC_MAP_HALF.	1206	for (j = y1; j < y2; j++)
		1207	{
		1208	if (is_in_shop (op->map, i, j))
1134	*	1209	{
1135	*/
1136	nx = i - op->x + MAGIC_MAP_HALF;
1137	ny = j - op->y + MAGIC_MAP_HALF;
1138	/* unlikely, but really big shops could run into this issue */
1139	if (nx < 0 || ny < 0 || nx > MAGIC_MAP_SIZE || ny > MAGIC_MAP_SIZE) continue;
1140
1141	if (map_mark[nx + MAGIC_MAP_SIZE * ny] & FACE_FLOOR) {
1142	stack =get_map_ob(op->map,i,j);	1210	stack = GET_MAP_OB (op->map, i, j);
1143		1211
1144	while (stack) {	1212	while (stack)
		1213	{
1145	if (QUERY_FLAG(stack, FLAG_UNPAID)) {	1214	if (QUERY_FLAG (stack, FLAG_UNPAID))
		1215	{
1146	if (numitems==numallocated) {	1216	if (numitems == numallocated)
		1217	{
1147	items=(shopinv*)realloc(items, sizeof(shopinv)*(numallocated+10));	1218	items = (shopinv *) realloc (items, sizeof (shopinv) * (numallocated + 10));
1148	numallocated+=10;	1219	numallocated += 10;
1149	}	1220	}
		1221
1150	add_shop_item(stack, items, &numitems, &numallocated);	1222	add_shop_item (stack, items, &numitems, &numallocated);
1151	}	1223	}
		1224
1152	stack = stack->above;	1225	stack = stack->above;
1153	}	1226	}
1154	}	1227	}
1155	}	1228	}
1156	}	1229	}
1157	free(map_mark);	1230
1158	if (numitems == 0) {	1231	if (numitems == 0)
		1232	{
1159	new_draw_info(NDI_UNIQUE, 0, op, "The shop is currently empty.\n");	1233	new_draw_info (NDI_UNIQUE, 0, op, "The shop is currently empty.\n");
1160	free(items);	1234	free (items);
1161	return;	1235	return;
1162	}	1236	}
		1237
1163	qsort(items, numitems, sizeof(shopinv), (int (*)(const void*, const void*))shop_sort);	1238	qsort (items, numitems, sizeof (shopinv), (int (*)(const void *, const void *)) shop_sort);
1164		1239
		1240	new_draw_info (NDI_UNIQUE, 0, op, "\nThe shop contains:");
		1241
1165	for (i=0; i<numitems; i++) {	1242	for (i = 0; i < numitems; i++)
		1243	{
1166	/* Collapse items of the same name together */	1244	/* Collapse items of the same name together */
1167	if ((i+1)<numitems && !strcmp(items[i].item_real, items[i+1].item_real)) {	1245	if ((i + 1) < numitems && !strcmp (items[i].item_real, items[i + 1].item_real))
		1246	{
1168	items[i+1].nrof += items[i].nrof;	1247	items[i + 1].nrof += items[i].nrof;
1169	free(items[i].item_sort);	1248	free (items[i].item_sort);
1170	free(items[i].item_real);	1249	free (items[i].item_real);
		1250	}
1171	} else {	1251	else
		1252	{
1172	new_draw_info_format(NDI_UNIQUE, 0, op, "%d %s",	1253	new_draw_info_format (NDI_UNIQUE, 0, op, "%d %s",
1173	items[i].nrof? items[i].nrof:1,
1174	items[i].nrof==1?items[i].item_sort: items[i].item_real);	1254	items[i].nrof ? items[i].nrof : 1, items[i].nrof == 1 ? items[i].item_sort : items[i].item_real);
1175	free(items[i].item_sort);	1255	free (items[i].item_sort);
1176	free(items[i].item_real);	1256	free (items[i].item_real);
1177	}	1257	}
1178	}	1258	}
		1259
1179	free(items);	1260	free (items);
1180	}	1261	}
1181		1262
1182	/* elmex: this function checks whether the object is in a shop */	1263	/* elmex: this function checks whether the object is in a shop */
		1264	bool
1183	bool is_in_shop (object *o)	1265	is_in_shop (object *o)
1184	{	1266	{
1185	if (!o->map)	1267	if (!o->map)
1186	return false;	1268	return false;
1187		1269
1188	return is_in_shop (o->map, o->x, o->y);	1270	return is_in_shop (o->map, o->x, o->y);
1189	}	1271	}
1190		1272
1191	/* elmex: this function checks whether we are in a shop or not */	1273	/* elmex: this function checks whether we are in a shop or not */
		1274	bool
1192	bool is_in_shop (mapstruct *map, int x, int y)	1275	is_in_shop (maptile *map, int x, int y)
1193	{	1276	{
1194	for (object *floor = get_map_ob (map, x, y); floor; floor = floor->above)	1277	for (object *floor = GET_MAP_OB (map, x, y); floor; floor = floor->above)
1195	if (floor->type == SHOP_FLOOR)	1278	if (floor->type == SHOP_FLOOR)
1196	return true;	1279	return true;
1197		1280
1198	return false;	1281	return false;
1199	}	1282	}

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