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Comparing deliantra/server/server/shop.C (file contents):
Revision 1.7 by elmex, Tue Aug 29 10:51:43 2006 UTC vs.
Revision 1.47 by root, Sun Apr 13 01:34:09 2008 UTC

1	/*	1	/*
2	* static char *rcsid_shop_c =	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	* "$Id: shop.C,v 1.7 2006/08/29 10:51:43 elmex Exp $";	3	*
4	*/	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra 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	* Deliantra 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 <support@deliantra.net>
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
56	#define NUM_COINS 4 /* number of coin types */
57	static const char* const coins[] = {"royalty", "platinacoin", "goldcoin", "silvercoin", NULL};
58		47
59	/* Added F_TRUE flag to define.h to mean that the price should not	48	/* 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	49	* 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.	50	* 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	51	* This is needed for alchemy, to to determine what value of gold nuggets
…		…
79	* thus remained 0.	68	* thus remained 0.
80	*	69	*
81	* Mark Wedel (mwedel@pyramid.com)	70	* Mark Wedel (mwedel@pyramid.com)
82	*/	71	*/
83		72
84	static uint64 approx_range;	73	static sint64 approx_range;
85		74
		75	sint64
86	uint64 query_cost(const object *tmp, object *who, int flag) {	76	query_cost (const object *tmp, object *who, int flag)
		77	{
87	double val;	78	double val;
88	int number; /* used to better calculate value */	79	int number; /* used to better calculate value */
89	int no_bargain;	80	int no_bargain;
90	int identified;	81	int identified;
91	int not_cursed;	82	int not_cursed;
92	int approximate;	83	int approximate;
93	int shop;	84	int shop;
94	double diff;	85	double diff;
95		86
96	approx_range = 0;	87	approx_range = 0;
97		88
98	no_bargain = flag & F_NO_BARGAIN;	89	no_bargain = flag & F_NO_BARGAIN;
99	identified = flag & F_IDENTIFIED;	90	identified = flag & F_IDENTIFIED;
100	not_cursed = flag & F_NOT_CURSED;	91	not_cursed = flag & F_NOT_CURSED;
101	approximate = flag & F_APPROX;	92	approximate = flag & F_APPROX;
102	shop = flag & F_SHOP;	93	shop = flag & F_SHOP;
103	flag &= ~(F_NO_BARGAIN|F_IDENTIFIED|F_NOT_CURSED|F_APPROX|F_SHOP);	94	flag &= ~(F_NO_BARGAIN | F_IDENTIFIED | F_NOT_CURSED | F_APPROX | F_SHOP);
104		95
105	if (tmp->type==MONEY) return (tmp->nrof * tmp->value);	96	if (tmp->type == MONEY)
		97	return tmp->nrof * tmp->value;
		98
106	if (tmp->type==GEM) {	99	if (tmp->type == GEM)
		100	{
		101	if (flag == F_TRUE)
107	if (flag==F_TRUE) return (tmp->nrof * tmp->value);	102	return (tmp->nrof * tmp->value);
		103
		104	if (flag == F_BUY)
108	if (flag==F_BUY) return (uint64) (1.03 * tmp->nrof * tmp->value);	105	return (sint64) (1.03 * tmp->nrof * tmp->value);
		106
		107	if (flag == F_SELL)
109	if (flag==F_SELL) return (uint64) (0.97 * tmp->nrof * tmp->value);	108	return (sint64) (0.97 * tmp->nrof * tmp->value);
		109
110	LOG(llevError,"Query_cost: Gem type with unknown flag : %d\n", flag);	110	LOG (llevError, "Query_cost: Gem type with unknown flag %d: %s\n", flag, tmp->debug_desc ());
		111	return 0;
		112	}
		113
		114	number = tmp->nrof;
		115	if (number == 0)
		116	number = 1;
		117	if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified)
		118	{
		119	if (!not_cursed && (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)))
111	return 0;	120	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	121	else
119	val=tmp->value * number;	122	val = tmp->value * number;
120	}	123	}
121	/* This area deals with objects that are not identified, but can be */	124	/* This area deals with objects that are not identified, but can be */
122	else {	125	else
		126	{
123	if (tmp->arch != NULL) {	127	if (tmp->arch != NULL)
		128	{
124	if (flag == F_BUY) {	129	if (flag == F_BUY)
		130	{
125	LOG(llevError, "Asking for buy-value of unidentified object.\n");	131	LOG (llevError, "Asking for buy-value of unidentified object.\n");
126	val = tmp->arch->clone.value * 50 * number;	132	val = tmp->arch->value * 50 * number;
127	}	133	}
		134	else
128	else { /* Trying to sell something, or get true value */	135	{ /* Trying to sell something, or get true value */
129	if (tmp->type == POTION)	136	if (tmp->type == POTION)
130	val = number * 40; /* Don't want to give anything away */	137	val = number * 40; /* Don't want to give anything away */
131	else {	138	else
		139	{
132	/* Get 2/3'rd value for applied objects, 1/3'rd for totally	140	/* Get 2/3'rd value for applied objects, 1/3'rd for totally
133	* unknown objects	141	* unknown objects
134	*/	142	*/
135	if (QUERY_FLAG(tmp, FLAG_BEEN_APPLIED))	143	if (QUERY_FLAG (tmp, FLAG_BEEN_APPLIED))
136	val = number * tmp->arch->clone.value *2 / 3;	144	val = number * tmp->arch->value * 2 / 3;
137	else	145	else
138	val = number * tmp->arch->clone.value / 3;	146	val = number * tmp->arch->value / 3;
139	}	147	}
140	}	148	}
		149	}
		150	else
141	} else { /* No archetype with this object */	151	{ /* No archetype with this object */
142	LOG(llevDebug,"In sell item: Have object with no archetype: %s\n", tmp->name);	152	LOG (llevDebug, "In sell item: Have object with no archetype: %s\n", &tmp->name);
143	if (flag == F_BUY) {	153	if (flag == F_BUY)
		154	{
144	LOG(llevError, "Asking for buy-value of unidentified object without arch.\n");	155	LOG (llevError, "Asking for buy-value of unidentified object without arch.\n");
145	val = number * tmp->value * 10;	156	val = number * tmp->value * 10;
146	}	157	}
147	else	158	else
148	val = number * tmp->value / 5;	159	val = number * tmp->value / 5;
149	}	160	}
150	}	161	}
151		162
152	/* If the item has been applied or identifed or does not need to be	163	/* 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	164	* identified, AND the object is magical and the archetype is non
154	* magical, then change values accordingly. The tmp->arch==NULL is	165	* magical, then change values accordingly. The tmp->arch==NULL is
155	* really just a check to prevent core dumps for when it checks	166	* really just a check to prevent core dumps for when it checks
156	* tmp->arch->clone.magic for any magic. The check for archetype	167	* tmp->arch->magic for any magic. The check for archetype
157	* magic is to not give extra money for archetypes that are by	168	* magic is to not give extra money for archetypes that are by
158	* default magical. This is because the archetype value should have	169	* default magical. This is because the archetype value should have
159	* already figured in that value.	170	* already figured in that value.
160	*/	171	*/
161	if((QUERY_FLAG(tmp, FLAG_IDENTIFIED)||!need_identify(tmp)||identified||	172	if ((QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified ||
162	QUERY_FLAG(tmp, FLAG_BEEN_APPLIED)) &&	173	QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) && tmp->magic && (tmp->arch == NULL || !tmp->arch->magic))
163	tmp->magic&&(tmp->arch==NULL||!tmp->arch->clone.magic)) {	174	{
164	if(tmp->magic>0)	175	if (tmp->magic > 0)
165	val*=(3*tmp->magic*tmp->magic*tmp->magic);	176	val *= (3 * tmp->magic * tmp->magic * tmp->magic);
166	else	177	else
167	/* Note that tmp->magic is negative, so that this	178	/* Note that tmp->magic is negative, so that this
168	* will actually be something like val /=2, /=3, etc.	179	* 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	*/	180	*/
		181	val /= (1 - tmp->magic);
		182	}
		183
		184	if (tmp->type == WAND)
		185	{
		186	/* Value of the wand is multiplied by the number of
		187	* charges. the treasure code already sets up the value
		188	* 50 charges is used as the baseline.
		189	*/
178	if (QUERY_FLAG(tmp, FLAG_IDENTIFIED) || !need_identify(tmp) || identified)	190	if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified)
179	val=(val*tmp->stats.food) / 50;	191	val = (val * tmp->stats.food) / 50;
180	else /* if not identified, presume one charge */	192	else /* if not identified, presume one charge */
181	val/=50;	193	val /= 50;
182	}	194	}
183		195
184	/* Limit amount of money you can get for really great items. */	196	/* Limit amount of money you can get for really great items. */
185	if (flag==F_SELL)	197	if (flag == F_SELL)
186	val=value_limit((uint64)val, number, who, shop);	198	val = value_limit ((sint64) val, number, who, shop);
187		199
188	// use a nonlinear price adjustment. as my predecessor said, don't change	200	// 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.	201	// the archetypes, its work required for balancing, and we don't care.
190	//val = pow (val, 1.05);	202	//val = pow (val, 1.05);
191		203
192	/* This modification is for bargaining skill.	204	/* This modification is for bargaining skill.
193	* Now only players with max level in bargaining	205	* Now only players with max level in bargaining
194	* AND Cha = 30 will get optimal price.	206	* AND Cha = 30 will get optimal price.
195	* Thus charisma will never get useless.	207	* Thus charisma will never get useless.
196	* -b.e. edler@heydernet.de	208	* -b.e. edler@heydernet.de
197	*/	209	*/
198		210
199	if (who!=NULL && who->type==PLAYER) {	211	if (who != NULL && who->type == PLAYER)
		212	{
200	int lev_bargain = 0;	213	int lev_bargain = 0;
201	int lev_identify = 0;	214	int lev_identify = 0;
202	int idskill1=0;	215	int idskill1 = 0;
203	int idskill2=0;	216	int idskill2 = 0;
204	const typedata *tmptype;	217	const typedata *tmptype;
205		218
206	tmptype=get_typedata(tmp->type);	219	tmptype = get_typedata (tmp->type);
207		220
208	if (find_skill_by_number(who,SK_BARGAINING)) {	221	if (find_skill_by_number (who, SK_BARGAINING))
209	lev_bargain = find_skill_by_number(who,SK_BARGAINING)->level;	222	lev_bargain = find_skill_by_number (who, SK_BARGAINING)->level;
210	}	223
211	if (tmptype) {	224	if (tmptype)
		225	{
212	idskill1=tmptype->identifyskill;	226	idskill1 = tmptype->identifyskill;
		227
213	if (idskill1) {	228	if (idskill1)
		229	{
214	idskill2=tmptype->identifyskill2;	230	idskill2 = tmptype->identifyskill2;
		231
215	if (find_skill_by_number(who,idskill1)) {	232	if (find_skill_by_number (who, idskill1))
216	lev_identify = find_skill_by_number(who,idskill1)->level;	233	lev_identify = find_skill_by_number (who, idskill1)->level;
		234
		235	if (idskill2 && find_skill_by_number (who, idskill2))
		236	lev_identify += find_skill_by_number (who, idskill2)->level;
217	}	237	}
218	if (idskill2 && find_skill_by_number(who,idskill2)) {
219	lev_identify += find_skill_by_number(who,idskill2)->level;
220	}	238	}
221	}	239	else
222	}
223	else LOG(llevError, "Query_cost: item %s hasn't got a valid type\n", tmp->name);	240	LOG (llevError, "Query_cost: item %s hasn't got a valid type\n", tmp->debug_desc ());
224		241
225	/* ratio determines how much of the price modification	242	/* ratio determines how much of the price modification
226	* will come from the basic stat charisma	243	* will come from the basic stat charisma
227	* the rest will come from the level in bargaining skill	244	* the rest will come from the level in bargaining skill
228	*/	245	*/
229	const double cha_ratio = 0.40;	246	const double cha_ratio = 0.40;
230		247
231	diff = no_bargain ? 1.0 : 1. - pow (lev_bargain / (double)settings.max_level, 0.25);	248	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.);	249	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;	250	diff = .02 + (.80 - .02) * diff;
237
238	if (flag == F_BUY) val += (val * diff);
239	else if (flag == F_SELL) val -= (val * diff);
240		251
		252	if (flag == F_BUY)
		253	val += val * diff;
		254	else if (flag == F_SELL)
		255	val -= val * diff;
		256
241	// now find a price range. the less good we can judge, the larger the range is	257	// 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	258	// then the range is adjusted randomly around the correct value
243	if (approximate)	259	if (approximate)
244	approx_range = uint64 (val / sqrt (lev_identify * 3 + 1));	260	approx_range = sint64 (val / sqrt (lev_identify * 3 + 1));
245	}
246		261	}
		262
247	/* I don't think this should really happen - if it does, it indicates and	263	/* I don't think this should really happen - if it does, it indicates and
248	* overflow of diff above. That shoudl only happen if	264	* overflow of diff above. That should only happen if
249	* we are selling objects - in that case, the person just	265	* we are selling objects - in that case, the person just
250	* gets no money.	266	* gets no money.
251	*/	267	*/
252	if((sint64)val<0)	268	if ((sint64) val < 0)
253	val=0;	269	val = 0;
254		270
255	/* Unidentified stuff won't sell for more than 60gp */	271	/* Unidentified stuff won't sell for more than 60gp */
256	if(flag==F_SELL && !QUERY_FLAG(tmp, FLAG_IDENTIFIED) && need_identify(tmp) && !identified) {	272	if (flag == F_SELL && !QUERY_FLAG (tmp, FLAG_IDENTIFIED) && need_identify (tmp) && !identified)
		273	{
257	val = (val > 600)? 600:val;	274	val = (val > 600) ? 600 : val;
258	}
259		275	}
		276
260	/* if we are in a shop, check how the type of shop should affect the price */	277	/* if we are in a shop, check how the type of shop should affect the price */
261	if (shop && who) {	278	if (shop && who)
		279	{
262	if (flag==F_SELL)	280	if (flag == F_SELL)
263	val= (	281	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) {	282	else if (flag == F_BUY)
		283	{
270	/*	284	/*
271	* when buying, if the item was sold by another player, it is ok to	285	* 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	286	* 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	287	* 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	288	* multiplied by the specialisation ratio, to do the same to the buy
275	* price will not generate extra money. However, the	289	* price will not generate extra money. However, the
276	* same is not true of generated items, these have to /divide/ by the	290	* 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	291	* 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).	292	* 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	293	* 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	294	* value of the items they sell (much like how people sometimes find
281	* antiques in a junk shop in real life).	295	* antiques in a junk shop in real life).
282	*/	296	*/
283	if (QUERY_FLAG(tmp, FLAG_PLAYER_SOLD))	297	if (QUERY_FLAG (tmp, FLAG_PLAYER_SOLD))
284	val= (	298	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	299	else
291	val= (
292	val
293	* shop_greed(who->map)
294	/ (shop_specialisation_ratio(tmp, who->map)*shopkeeper_approval(who->map, who))	300	val = (val * shop_greed (who->map) / (shop_specialisation_ratio (tmp, who->map) * shopkeeper_approval (who->map, who)));
295	);
296	}	301	}
		302
297	/* we will also have an extra 0-5% variation between shops of the same type	303	/* 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	304	* for valuable items (below a value of 50 this effect wouldn't be very
299	* pointful, and could give fun with rounding.	305	* pointful, and could give fun with rounding.
300	*/	306	*/
301	if(who->map->path!=NULL && val > 50)	307	//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)));	308	if (val > 50)
		309	val += float (val) * .05f * cosf ((tmp->uuid.seq & 0xffff) * float (M_PI * 2. / 0x10000));
303	}	310	}
		311
304	return (uint64)val;	312	return (sint64) val;
305	}	313	}
306		314
307	/* Find the coin type that is worth more the 'c'. Starts at the	315	/* Find the coin type that is worth more the 'c'. Starts at the
308	* cointype placement.	316	* cointype placement.
309	*/	317	*/
310		318
		319	static archetype *
311	static archetype *find_next_coin(uint64 c, int *cointype) {	320	find_next_coin (sint64 c, int *cointype)
		321	{
312	archetype *coin;	322	archetype *coin;
313		323
314	do {	324	do
		325	{
315	if (coins[*cointype]==NULL) return NULL;	326	if (coins[*cointype] == NULL)
		327	return NULL;
316	coin = find_archetype(coins[*cointype]);	328	coin = archetype::find (coins[*cointype]);
317	if (coin == NULL)	329	if (coin == NULL)
318	return NULL;	330	return NULL;
319	*cointype += 1;	331	*cointype += 1;
		332	}
320	} while (coin->clone.value > c);	333	while (coin->value > c);
321		334
322	return coin;	335	return coin;
323	}	336	}
324		337
325	/* This returns a string of how much something is worth based on	338	/* 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	343	* have so much money that they have more than 2 billion platinum
331	* coins, there are certainly issues - the easiest fix at that	344	* coins, there are certainly issues - the easiest fix at that
332	* time is to add a higher denomination (mithril piece with	345	* time is to add a higher denomination (mithril piece with
333	* 10,000 silver or something)	346	* 10,000 silver or something)
334	*/	347	*/
		348	const char *
335	const char *cost_string_from_value(uint64 cost, int approx)	349	cost_string_from_value (sint64 cost, int approx)
336	{	350	{
337	static char buf[MAX_BUF];	351	static char buf[MAX_BUF];
338	archetype *coin, *next_coin;	352	archetype *coin, *next_coin;
339	int num, cointype = 0;	353	int num, cointype = 0;
340		354
341	coin = find_next_coin(cost, &cointype);	355	coin = find_next_coin (cost, &cointype);
342	if (coin == NULL)	356	if (coin == NULL)
343	return "nothing";	357	return "nothing";
344		358
345	num = cost / coin->clone.value;	359	num = cost / coin->value;
346	/* so long as nrof is 32 bit, this is true.	360	/* so long as nrof is 32 bit, this is true.
347	* If it takes more coins than a person can possibly carry, this	361	* If it takes more coins than a person can possibly carry, this
348	* is basically true.	362	* is basically true.
349	*/	363	*/
350	if ( (cost / coin->clone.value) > UINT32_MAX) {	364	if ((cost / coin->value) > UINT32_MAX)
		365	{
351	strcpy(buf,"an unimaginable sum of money");	366	strcpy (buf, "an unimaginable sum of money");
352	return buf;	367	return buf;
353	}	368	}
354		369
355	cost -= (uint64)num * (uint64)coin->clone.value;	370	cost -= num * (sint64)coin->value;
		371
356	sprintf(buf, "%d %s", num, num > 1 ? coin->clone.name_pl : coin->clone.name);	372	sprintf (buf, "%d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name);
357		373
358	next_coin = find_next_coin(cost, &cointype);	374	next_coin = find_next_coin (cost, &cointype);
359	if (next_coin == NULL || approx)	375	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;	376	return buf;
369	}
370		377
		378	coin = next_coin;
		379	num = cost / coin->value;
		380	cost -= num * (sint64)coin->value;
		381
		382	sprintf (buf + strlen (buf), " and %d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name);
		383
		384	return buf;
		385	}
		386
		387	const char *
371	const char *query_cost_string(const object *tmp,object *who,int flag) {	388	query_cost_string (const object *tmp, object *who, int flag)
		389	{
372	uint64 real_value = query_cost(tmp,who,flag);	390	sint64 real_value = query_cost (tmp, who, flag);
373	int idskill1=0;	391	int idskill1 = 0;
374	int idskill2=0;	392	int idskill2 = 0;
375	const typedata *tmptype;	393	const typedata *tmptype;
376		394
377	tmptype=get_typedata(tmp->type);	395	tmptype = get_typedata (tmp->type);
378	if (tmptype) {	396	if (tmptype)
		397	{
379	idskill1=tmptype->identifyskill;	398	idskill1 = tmptype->identifyskill;
380	idskill2=tmptype->identifyskill2;	399	idskill2 = tmptype->identifyskill2;
381	}	400	}
382		401
383	/* we show an approximate price if	402	/* we show an approximate price if
384	* 1) we are approximating	403	* 1) we are approximating
385	* 2) there either is no id skill(s) for the item, or we don't have them	404	* 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	405	* 3) we don't have bargaining skill either
387	*/	406	*/
388	if (flag & F_APPROX) {	407	if (flag & F_APPROX)
		408	{
389	if (!idskill1 || !find_skill_by_number(who, idskill1)) {	409	if (!idskill1 || !find_skill_by_number (who, idskill1))
		410	{
390	if (!idskill2 || !find_skill_by_number(who, idskill2)) {	411	if (!idskill2 || !find_skill_by_number (who, idskill2))
		412	{
391	if (!find_skill_by_number(who,SK_BARGAINING)) {	413	if (!find_skill_by_number (who, SK_BARGAINING))
		414	{
392	static char buf[MAX_BUF];	415	static char buf[MAX_BUF];
393	int num, cointype = 0;	416	int num, cointype = 0;
394	archetype *coin = find_next_coin(real_value, &cointype);	417	archetype *coin = find_next_coin (real_value, &cointype);
395		418
		419	if (coin == NULL)
396	if (coin == NULL) return "nothing";	420	return "nothing";
397		421
398	num = real_value / coin->clone.value;	422	num = real_value / coin->value;
399	if (num == 1)	423	if (num == 1)
400	sprintf(buf, "about one %s", coin->clone.name);	424	sprintf (buf, "about one %s", &coin->object::name);
401	else if (num < 5)	425	else if (num < 5)
402	sprintf(buf, "a few %s", coin->clone.name_pl);	426	sprintf (buf, "a few %s", &coin->object::name_pl);
403	else if (num < 10)	427	else if (num < 10)
404	sprintf(buf, "several %s", coin->clone.name_pl);	428	sprintf (buf, "several %s", &coin->object::name_pl);
405	else if (num < 25)	429	else if (num < 25)
406	sprintf(buf, "a moderate amount of %s", coin->clone.name_pl);	430	sprintf (buf, "a moderate amount of %s", &coin->object::name_pl);
407	else if (num < 100)	431	else if (num < 100)
408	sprintf(buf, "lots of %s", coin->clone.name_pl);	432	sprintf (buf, "lots of %s", &coin->object::name_pl);
409	else if (num < 1000)	433	else if (num < 1000)
410	sprintf(buf, "a great many %s", coin->clone.name_pl);	434	sprintf (buf, "a great many %s", &coin->object::name_pl);
411	else	435	else
412	sprintf(buf, "a vast quantity of %s", coin->clone.name_pl);	436	sprintf (buf, "a vast quantity of %s", &coin->object::name_pl);
413	return buf;	437	return buf;
414	}	438	}
415	}	439	}
416	}	440	}
417		441
418	int hash = ((unsigned int)tmp->count * 174364621) & 1023;	442	int hash = ((unsigned int) tmp->count * 174364621) & 1023;
419		443
420	if (approx_range)	444	if (approx_range)
421	{	445	{
422	uint64 lo = (sint64)real_value - (approx_range * hash >> 10);	446	sint64 lo = (sint64) real_value - (approx_range * hash >> 10);
423	static char buf[MAX_BUF];	447	static char buf[MAX_BUF];
424		448
425	sprintf (buf, "between %s", cost_string_from_value (lo, 1));	449	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));	450	sprintf (buf + strlen (buf), " and %s", cost_string_from_value (lo + approx_range, 1));
427		451
428	return buf;	452	return buf;
429	}	453	}
430	}	454	}
431		455
432	return cost_string_from_value (real_value, 0);	456	return cost_string_from_value (real_value, 0);
433	}	457	}
434		458
435	/* This function finds out how much money the player is carrying,	459	/* This function finds out how much money the player is carrying,
436	* including what is in containers.	460	* including what is in containers.
437	*/	461	*/
		462	sint64
438	uint64 query_money(const object *op) {	463	query_money (const object *op)
		464	{
439	object *tmp;	465	object *tmp;
440	uint64 total=0;	466	sint64 total = 0;
441		467
442	if (op->type!=PLAYER && op->type!=CONTAINER) {	468	if (op->type != PLAYER && op->type != CONTAINER)
		469	{
443	LOG(llevError, "Query money called with non player/container\n");	470	LOG (llevError, "Query money called with non player/container\n");
444	return 0;	471	return 0;
445	}	472	}
		473
446	for (tmp = op->inv; tmp; tmp= tmp->below) {	474	for (tmp = op->inv; tmp; tmp = tmp->below)
447	if (tmp->type==MONEY) {	475	if (tmp->type == MONEY)
448	total += (uint64)tmp->nrof * (uint64)tmp->value;	476	total += tmp->nrof * (sint64)tmp->value;
449	} else if (tmp->type==CONTAINER &&	477	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);	478	total += query_money (tmp);
453	}	479
454	}
455	return total;	480	return total;
456	}	481	}
		482
457	/* TCHIZE: This function takes the amount of money from the	483	/* TCHIZE: This function takes the amount of money from the
458	* the player inventory and from it's various pouches using the	484	* the player inventory and from it's various pouches using the
459	* pay_from_container function.	485	* pay_from_container function.
460	* returns 0 if not possible. 1 if success	486	* returns 0 if not possible. 1 if success
461	*/	487	*/
		488	int
462	int pay_for_amount(uint64 to_pay,object *pl) {	489	pay_for_amount (sint64 to_pay, object *pl)
		490	{
463	object *pouch;	491	object *pouch;
464		492
465	if (to_pay==0) return 1;	493	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;	494	return 1;
		495
		496	if (to_pay > query_money (pl))
		497	return 0;
		498
		499	pay_from_container (pl, pl, to_pay);
		500
		501	for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
		502	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (pouch->race == NULL || strstr (pouch->race, "gold")))
		503	pay_from_container (pl, pouch, to_pay);
		504
		505	pl->update_stats ();
		506	return 1;
479	}	507	}
480		508
481	/* DAMN: This is now a wrapper for pay_from_container, which is	509	/* 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	510	* 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	511	* money until op is paid for. Change will be left wherever the last
484	* of the price was paid from.	512	* of the price was paid from.
485	*/	513	*/
		514	int
486	int pay_for_item(object *op,object *pl) {	515	pay_for_item (object *op, object *pl)
		516	{
487	uint64 to_pay = query_cost(op,pl,F_BUY | F_SHOP);	517	sint64 to_pay = query_cost (op, pl, F_BUY | F_SHOP);
488	object *pouch;	518	object *pouch;
489	uint64 saved_money;	519	sint64 saved_money;
490		520
491	if (to_pay==0) return 1;	521	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;	522	return 1;
		523
		524	if (to_pay > query_money (pl))
		525	return 0;
		526
		527	/* We compare the paid price with the one for a player
		528	* without bargaining skill.
		529	* This determins the amount of exp (if any) gained for bargaining.
		530	*/
		531	saved_money = query_cost (op, pl, F_BUY | F_NO_BARGAIN | F_SHOP) - to_pay;
		532
		533	if (saved_money > 0)
		534	change_exp (pl, saved_money, "bargaining", SK_EXP_NONE);
		535
		536	pay_from_container (pl, pl, to_pay);
		537
		538	for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
		539	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (pouch->race == NULL || strstr (pouch->race, "gold")))
		540	pay_from_container (pl, pouch, to_pay);
		541
		542	pl->update_stats ();
		543
		544	return 1;
516	}	545	}
517		546
518	/* This pays for the item, and takes the proper amount of money off	547	/* This pays for the item, and takes the proper amount of money off
519	* the player.	548	* the player.
520	* CF 0.91.4 - this function is mostly redone in order to fix a bug	549	* CF 0.91.4 - this function is mostly redone in order to fix a bug
…		…
527	*	556	*
528	* pouch is the container (pouch or player) to remove the coins from.	557	* pouch is the container (pouch or player) to remove the coins from.
529	* to_pay is the required amount.	558	* to_pay is the required amount.
530	* returns the amount still missing after using "pouch".	559	* returns the amount still missing after using "pouch".
531	*/	560	*/
		561	static void
532	static uint64 pay_from_container(object *pl, object *pouch, uint64 to_pay) {	562	pay_from_container (object *pl, object *pouch, sint64 &to_pay)
		563	{
533	int count, i;	564	int count, i;
534	sint64 remain;	565	object *tmp, *next;
535	object *tmp, *coin_objs[NUM_COINS], *next;
536	archetype *at;	566	archetype *at;
537		567
538	if (pouch->type != PLAYER && pouch->type != CONTAINER) return to_pay;	568	if (pouch->type != PLAYER && pouch->type != CONTAINER)
		569	return;
539		570
540	remain = to_pay;	571	object *coin_objs[NUM_COINS] = { 0 };
541	for (i=0; i<NUM_COINS; i++) coin_objs[i] = NULL;
542		572
543	/* This hunk should remove all the money objects from the player/container */	573	/* This hunk should remove all the money objects from the player/container */
544	for (tmp=pouch->inv; tmp; tmp=next) {	574	for (tmp = pouch->inv; tmp; tmp = next)
		575	{
545	next = tmp->below;	576	next = tmp->below;
546		577
547	if (tmp->type == MONEY) {	578	if (tmp->type == MONEY)
		579	{
548	for (i=0; i<NUM_COINS; i++) {	580	for (i = 0; i < NUM_COINS; i++)
549	if (!strcmp(coins[NUM_COINS-1-i], tmp->arch->name) &&	581	{
550	(tmp->value == tmp->arch->clone.value) ) {	582	if (tmp->value == tmp->arch->value && !strcmp (coins[NUM_COINS - 1 - i], tmp->arch->archname))
551		583	{
552	/* This should not happen, but if it does, just *	584	// This should not happen, but if it does, just merge the two.
553	* merge the two. */
554	if (coin_objs[i]!=NULL) {	585	if (coin_objs [i])
		586	{
555	LOG(llevError,"%s has two money entries of (%s)\n",	587	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);	588	tmp->remove ();
558	coin_objs[i]->nrof += tmp->nrof;	589	coin_objs[i]->nrof += tmp->nrof;
559	esrv_del_item(pl->contr, tmp->count);	590	esrv_del_item (pl->contr, tmp->count);
560	free_object(tmp);	591	tmp->destroy ();
561	}	592	}
562	else {	593	else
		594	{
563	remove_ob(tmp);	595	tmp->remove ();
		596
		597	if (pouch->type == PLAYER)
564	if(pouch->type==PLAYER) esrv_del_item(pl->contr, tmp->count);	598	esrv_del_item (pl->contr, tmp->count);
		599
565	coin_objs[i] = tmp;	600	coin_objs[i] = tmp;
566	}	601	}
		602
567	break;	603	break;
568	}	604	}
569	}	605	}
		606
570	if (i==NUM_COINS)	607	if (i == NUM_COINS)
571	LOG(llevError,"in pay_for_item: Did not find string match for %s\n", tmp->arch->name);	608	LOG (llevError, "in pay_for_item: Did not find string match for %s\n", &tmp->arch->archname);
572	}	609	}
573	}	610	}
574		611
575	/* Fill in any gaps in the coin_objs array - needed to make change. */	612	/* 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 */	613	/* Note that the coin_objs array goes from least value to greatest value */
577	for (i=0; i<NUM_COINS; i++)	614	for (i = 0; i < NUM_COINS; i++)
578	if (coin_objs[i]==NULL) {	615	if (!coin_objs[i])
		616	{
579	at = find_archetype(coins[NUM_COINS-1-i]);	617	at = archetype::find (coins[NUM_COINS - 1 - i]);
		618
		619	if (at == NULL)
580	if (at==NULL) LOG(llevError, "Could not find %s archetype\n", coins[NUM_COINS-1-i]);	620	LOG (llevError, "Could not find %s archetype\n", coins[NUM_COINS - 1 - i]);
		621
581	coin_objs[i] = arch_to_object (at);	622	coin_objs[i] = arch_to_object (at);
582	coin_objs[i]->nrof = 0;	623	coin_objs[i]->nrof = 0;
583	}	624	}
584		625
585	for (i=0; i<NUM_COINS; i++) {	626	for (i = 0; i < NUM_COINS; i++)
586	int num_coins;	627	{
		628	object &coin = *coin_objs[i];
		629	sint64 num_coins = min ((to_pay + coin.value - 1) / coin.value, coin.nrof);
		630	to_pay -= num_coins * coin.value;
587		631
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;	632	coin.nrof -= num_coins;
596	/* Now start making change. Start at the coin value	633	/* Now start making change. Start at the coin value
597	* below the one we just did, and work down to	634	* below the one we just did, and work down to
598	* the lowest value.	635	* the lowest value.
599	*/	636	*/
600	count=i-1;	637	count = i - 1;
		638
601	while (remain<0 && count>=0) {	639	while (to_pay < 0 && count >= 0)
		640	{
602	num_coins = -remain/ coin_objs[count]->value;	641	num_coins = (-to_pay) / coin_objs[count]->value;
603	coin_objs[count]->nrof += num_coins;	642	coin_objs[count]->nrof += num_coins;
604	remain += num_coins * coin_objs[count]->value;	643	to_pay += num_coins * coin_objs[count]->value;
605	count--;	644	count--;
606	}	645	}
607	}	646	}
		647
608	for (i=0; i<NUM_COINS; i++) {	648	for (i = 0; i < NUM_COINS; i++)
		649	{
609	if (coin_objs[i]->nrof) {	650	if (coin_objs[i]->nrof)
		651	{
610	object *tmp = insert_ob_in_ob(coin_objs[i], pouch);	652	object *tmp = insert_ob_in_ob (coin_objs[i], pouch);
611		653
612	esrv_send_item(pl, tmp);	654	esrv_send_item (pl, tmp);
613	esrv_send_item (pl, pouch);	655	esrv_send_item (pl, pouch);
		656
		657	if (pl != pouch)
614	if (pl != pouch) esrv_update_item (UPD_WEIGHT, pl, pouch);	658	esrv_update_item (UPD_WEIGHT, pl, pouch);
		659
615	if (pl->type != PLAYER) {	660	if (pl->type != PLAYER)
616	esrv_send_item (pl, pl);	661	esrv_send_item (pl, pl);
617	}	662	}
618	} else {	663	else
619	free_object(coin_objs[i]);	664	coin_objs[i]->destroy ();
620	}
621	}	665	}
622	return(remain);
623	}	666	}
624		667
625	/* Checks all unpaid items in op's inventory, adds up all the money they	668	/* 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.	669	* 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	670	* Returns 1 if they can, and 0 if they can't. also prints an appropriate message
628	* to the player	671	* to the player
629	*/	672	*/
630		673	int
631	int can_pay(object *pl) {	674	can_pay (object *pl)
		675	{
632	int unpaid_count = 0, i;	676	int unpaid_count = 0;
633	uint64 unpaid_price = 0;	677	sint64 unpaid_price = 0;
634	uint64 player_wealth = query_money(pl);	678	sint64 player_wealth = query_money (pl);
635	object *item;	679
636	uint32 coincount[NUM_COINS];
637	if (!pl || pl->type != PLAYER) {	680	if (!pl || pl->type != PLAYER)
		681	{
638	LOG(llevError, "can_pay(): called against something that isn't a player\n");	682	LOG (llevError, "can_pay(): called against something that isn't a player\n");
639	return 0;	683	return 0;
640	}	684	}
641	for (i=0; i< NUM_COINS; i++) coincount[i] = 0;	685
642	for (item = pl->inv;item;) {	686	for (object::depth_iterator item = pl->begin (); item != pl->end (); ++item)
643	if QUERY_FLAG(item, FLAG_UNPAID) {	687	if (QUERY_FLAG (item, FLAG_UNPAID))
		688	{
644	unpaid_count++;	689	unpaid_count++;
645	unpaid_price += query_cost(item, pl, F_BUY | F_SHOP);	690	unpaid_price += query_cost (item, pl, F_BUY | F_SHOP);
646	}	691	}
647	/* merely converting the player's monetary wealth won't do, if we did that,	692
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) {	693	if (unpaid_price > player_wealth)
659	char buf[MAX_BUF], coinbuf[MAX_BUF];	694	{
660	int denominations = 0;	695	char buf[MAX_BUF];
661	int has_coins = NUM_COINS;
662	char cost[MAX_BUF];	696	char cost[MAX_BUF];
663	char missing[MAX_BUF];	697	char missing[MAX_BUF];
664		698
665	sprintf(cost, "%s", cost_string_from_value (unpaid_price, 0));	699	snprintf (cost, MAX_BUF, "%s", cost_string_from_value (unpaid_price, 0));
666	sprintf(missing, "%s", cost_string_from_value (unpaid_price - player_wealth, 0));	700	snprintf (missing, MAX_BUF, "%s", cost_string_from_value (unpaid_price - player_wealth, 0));
667		701
668	sprintf(buf, "You have %d unpaid items that would cost you %s. You need another %s to be able to afford that.",	702	snprintf (buf, MAX_BUF, "You have %d unpaid items that would cost you %s. You need another %s to be able to afford that.",
669	unpaid_count, cost, missing);	703	unpaid_count, cost, missing);
670	new_draw_info(NDI_UNIQUE, 0, pl, buf);	704	new_draw_info (NDI_UNIQUE, 0, pl, buf);
		705
671	return 0;	706	return 0;
672	}	707	}
		708	else
673	else return 1;	709	return 1;
674	}	710	}
675
676		711
677	/* Better get_payment, descends containers looking for	712	/* Better get_payment, descends containers looking for
678	* unpaid items, and pays for them.	713	* unpaid items, and pays for them.
679	* returns 0 if the player still has unpaid items.	714	* returns 0 if the player still has unpaid items.
680	* returns 1 if the player has paid for everything.	715	* returns 1 if the player has paid for everything.
681	* pl is the player buying the stuff.	716	* pl is the player buying the stuff.
682	* op is the object we are examining. If op has
683	* and inventory, we examine that. IF there are objects
684	* below op, we descend down.
685	*/	717	*/
686	int get_payment(object *pl, object *op) {	718	int
		719	get_payment (object *pl)
		720	{
		721	for (;;)
		722	{
		723	next_item:
		724
		725	for (object::depth_iterator op = pl->begin (); op != pl->end (); ++op)
		726	{
		727	if (QUERY_FLAG (op, FLAG_UNPAID))
		728	{
687	char buf[MAX_BUF];	729	char buf[MAX_BUF];
688	int ret=1;	730	snprintf (buf, MAX_BUF, "%s", query_cost_string (op, pl, F_BUY | F_SHOP));
689		731
690	if (op!=NULL&&op->inv)
691	ret = get_payment(pl, op->inv);
692
693	if (!ret)
694	return 0;
695
696	if (op!=NULL&&op->below)
697	ret = get_payment (pl, op->below);
698
699	if (!ret)
700	return 0;
701
702	if(op!=NULL&&QUERY_FLAG(op,FLAG_UNPAID)) {
703	strncpy(buf,query_cost_string(op,pl,F_BUY | F_SHOP),MAX_BUF);
704	buf[MAX_BUF-1] = '\0';
705	if(!pay_for_item(op,pl)) {	732	if (!pay_for_item (op, pl))
		733	{
706	uint64 i=query_cost(op,pl,F_BUY | F_SHOP) - query_money(pl);	734	sint64 i = query_cost (op, pl, F_BUY | F_SHOP) - query_money (pl);
		735
707	CLEAR_FLAG(op, FLAG_UNPAID);	736	CLEAR_FLAG (op, FLAG_UNPAID);
708	new_draw_info_format(NDI_UNIQUE, 0, pl,	737	new_draw_info_format (NDI_UNIQUE, 0, pl, "You lack %s to buy %s.", cost_string_from_value (i, 0), query_name (op));
709	"You lack %s to buy %s.", cost_string_from_value (i, 0),
710	query_name(op));
711	SET_FLAG(op, FLAG_UNPAID);	738	SET_FLAG (op, FLAG_UNPAID);
712	return 0;	739	return 0;
713	} else {
714	object *tmp;
715	tag_t c = op->count;
716
717	CLEAR_FLAG(op, FLAG_UNPAID);
718	CLEAR_FLAG(op, FLAG_PLAYER_SOLD);
719	new_draw_info_format(NDI_UNIQUE, 0, op,
720	"You paid %s for %s.",buf,query_name(op));
721	tmp=merge_ob(op,NULL);
722	if (pl->type == PLAYER) {
723	if (tmp) { /* it was merged */
724	esrv_del_item (pl->contr, c);
725	op = tmp;
726	}	740	}
		741	else
		742	{
		743	object *tmp;
		744
		745	CLEAR_FLAG (op, FLAG_UNPAID);
		746	CLEAR_FLAG (op, FLAG_PLAYER_SOLD);
		747	new_draw_info_format (NDI_UNIQUE, 0, op, "You paid %s for %s.", buf, query_name (op));
		748	tmp = merge_ob (op, NULL);
		749
		750	if (pl->type == PLAYER)
		751	{
		752	if (tmp)
		753	{ /* it was merged */
		754	esrv_del_item (pl->contr, op->count);
		755	op = tmp;
		756	}
		757
727	esrv_send_item(pl, op);	758	esrv_send_item (pl, op);
		759	}
		760
		761	goto next_item;
		762	}
728	}	763	}
729	}	764	}
730	}	765
731	return 1;	766	return 1;
		767	}
732	}	768	}
733		769
734	/* written by elmex:	770	/* written by elmex:
735	* moved this code from sell_item () here to have a function	771	* moved this code from sell_item () here to have a function
736	* that pays the player an amount. Mainly put the code here to	772	* that pays the player an amount. Mainly put the code here to
…		…
740	* in his inventory anyway. This is the best alternative to not pay any money	776	* in his inventory anyway. This is the best alternative to not pay any money
741	* or put it on the ground under the player. This way the player can still	777	* or put it on the ground under the player. This way the player can still
742	* go somewhere and unload the money at a safe place.	778	* go somewhere and unload the money at a safe place.
743	*	779	*
744	*/	780	*/
		781	void
745	void pay_player (object *pl, uint64 amount) {	782	pay_player (object *pl, sint64 amount)
		783	{
746	int count = 0;	784	int count = 0;
747	archetype *at = 0;	785	archetype *at = 0;
748	object *pouch = 0, *tmp = 0;	786	object *pouch = 0, *tmp = 0;
749		787
750	for (count = 0; coins[count] != NULL; count++)	788	for (count = 0; coins[count]; count++)
751	{	789	{
752	at = find_archetype (coins[count]);	790	at = archetype::find (coins[count]);
753		791
754	if (at == NULL)	792	if (at == NULL)
755	LOG(llevError, "Could not find %s archetype\n", coins[count]);	793	LOG (llevError, "Could not find %s archetype\n", coins[count]);
756	else if ((amount / at->clone.value) > 0)	794	else if ((amount / at->value) > 0)
757	{	795	{
758	for (pouch=pl->inv; pouch; pouch=pouch->below)	796	for (pouch = pl->inv; pouch; pouch = pouch->below)
759	{	797	{
760	if (pouch->type == CONTAINER	798	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && pouch->race && strstr (pouch->race, "gold"))
761	&& QUERY_FLAG (pouch, FLAG_APPLIED)
762	&& pouch->race
763	&& strstr (pouch->race, "gold"))
764	{	799	{
765	int w = at->clone.weight * (100 - pouch->stats.Str) / 100;	800	int w = at->weight * (100 - pouch->stats.Str) / 100;
766	int n = amount / at->clone.value;	801	int n = amount / at->value;
767		802
768	if (w == 0)	803	if (w == 0)
769	w = 1; /* Prevent divide by zero */	804	w = 1; /* Prevent divide by zero */
770		805
771	if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit))	806	if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit))
772	{	807	{
773	if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n)	808	if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n)
774	n = (pouch->weight_limit - pouch->carrying) / w;	809	n = (pouch->weight_limit - pouch->carrying) / w;
775		810
776	tmp = arch_to_object (at);	811	tmp = arch_to_object (at);
777	tmp->nrof = n;	812	tmp->nrof = n;
778	amount -= (uint64)tmp->nrof * (uint64)tmp->value;	813	amount -= tmp->nrof * tmp->value;
779	tmp = insert_ob_in_ob (tmp, pouch);	814	tmp = insert_ob_in_ob (tmp, pouch);
780	esrv_send_item (pl, tmp);	815	esrv_send_item (pl, tmp);
781	esrv_send_item (pl, pouch);	816	esrv_send_item (pl, pouch);
782	esrv_update_item (UPD_WEIGHT, pl, pouch);	817	esrv_update_item (UPD_WEIGHT, pl, pouch);
783	esrv_send_item (pl, pl);	818	esrv_send_item (pl, pl);
784	}	819	}
785	}	820	}
786	}	821	}
787		822
788	if (amount / at->clone.value > 0)	823	if (amount / at->value > 0)
789	{	824	{
790	tmp = arch_to_object (at);	825	tmp = arch_to_object (at);
791	tmp->nrof = amount / tmp->value;	826	tmp->nrof = amount / tmp->value;
792	amount -= (uint64)tmp->nrof * (uint64)tmp->value;	827	amount -= tmp->nrof * tmp->value;
793	tmp = insert_ob_in_ob (tmp, pl);	828	tmp = insert_ob_in_ob (tmp, pl);
794	esrv_send_item (pl, tmp);	829	esrv_send_item (pl, tmp);
795	esrv_send_item (pl, pl);	830	esrv_send_item (pl, pl);
796	}	831	}
797	}	832	}
798	}	833	}
799		834
800	if (amount != 0)	835	if (amount != 0)
801	#ifndef WIN32
802	LOG (llevError,"Warning - payment in pay_player () not zero: %llu\n", amount);	836	LOG (llevError, "Warning - payment in pay_player () not zero: %llu\n", amount);
803	#else
804	LOG (llevError,"Warning - payment in pay_player () not zero: %I64u\n", amount);
805	#endif
806	}	837	}
807		838
808	/* elmex: this is for the bank plugin :( */	839	/* elmex: this is for the bank plugin :( */
		840	sint64
809	uint64 pay_player_arch (object *pl, const char *arch, uint64 amount) {	841	pay_player_arch (object *pl, const char *arch, sint64 amount)
		842	{
810	archetype *at = find_archetype (arch);	843	archetype *at = archetype::find (arch);
811	object *tmp = NULL;
812		844
813	if (at == NULL)	845	if (!at)
814	return 0;	846	return 0;
815		847
816	if (amount > 0)	848	if (amount > 0)
817	{	849	{
818	tmp = arch_to_object (at);	850	object *tmp = arch_to_object (at);
819	tmp->nrof = amount;	851	tmp->nrof = amount;
820	tmp = insert_ob_in_ob (tmp, pl);	852	tmp = insert_ob_in_ob (tmp, pl);
821	esrv_send_item (pl, tmp);	853	esrv_send_item (pl, tmp);
822	esrv_send_item (pl, pl);	854	esrv_send_item (pl, pl);
823	}	855	}
…		…
830	* buy item.	862	* buy item.
831	*	863	*
832	* Modified to fill available race: gold containers before dumping	864	* Modified to fill available race: gold containers before dumping
833	* remaining coins in character's inventory.	865	* remaining coins in character's inventory.
834	*/	866	*/
		867	void
835	void sell_item(object *op, object *pl) {	868	sell_item (object *op, object *pl)
		869	{
836	uint64 amount = query_cost (op,pl,F_SELL | F_SHOP), extra_gain;	870	sint64 amount = query_cost (op, pl, F_SELL | F_SHOP), extra_gain;
837		871
838	if(pl==NULL || pl->type != PLAYER)	872	if (pl == NULL || pl->type != PLAYER)
839	{	873	{
840	LOG(llevDebug,"Object other than player tried to sell something.\n");	874	LOG (llevDebug, "Object other than player tried to sell something.\n");
841	return;	875	return;
842	}	876	}
843		877
844	if(op->custom_name)	878	op->custom_name = 0;
845	FREE_AND_CLEAR_STR (op->custom_name);
846		879
847	if(!amount)	880	if (!amount)
848	{	881	{
849	new_draw_info_format (NDI_UNIQUE, 0, pl,	882	new_draw_info_format (NDI_UNIQUE, 0, pl, "We're not interested in %s.", query_name (op));
850	"We're not interested in %s.", query_name (op));
851		883
852	/* Even if the character doesn't get anything for it, it may still be	884	/* Even if the character doesn't get anything for it, it may still be
853	* worth something. If so, make it unpaid	885	* worth something. If so, make it unpaid
854	*/	886	*/
855	if (op->value)	887	if (op->value)
856	{	888	{
857	SET_FLAG(op, FLAG_UNPAID);	889	SET_FLAG (op, FLAG_UNPAID);
858	SET_FLAG(op, FLAG_PLAYER_SOLD);	890	SET_FLAG (op, FLAG_PLAYER_SOLD);
859	}	891	}
860		892
861	identify (op);	893	identify (op);
862	return;	894	return;
863	}	895	}
…		…
868	* exp/10 -> 1 for each gold coin	900	* exp/10 -> 1 for each gold coin
869	*/	901	*/
870	extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP);	902	extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP);
871		903
872	if (extra_gain > 0)	904	if (extra_gain > 0)
873	change_exp(pl, extra_gain / 10, "bargaining", SK_EXP_NONE);	905	change_exp (pl, extra_gain / 10, "bargaining", SK_EXP_NONE);
874		906
875	pay_player (pl, amount);	907	pay_player (pl, amount);
876		908
877	new_draw_info_format (NDI_UNIQUE, 0, pl,	909	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));
878	"You receive %s for %s.", query_cost_string (op, pl, F_SELL | F_SHOP),	910	pl->play_sound (sound_find ("shop_sell"));
879	query_name (op));
880		911
881	SET_FLAG (op, FLAG_UNPAID);	912	SET_FLAG (op, FLAG_UNPAID);
882	identify (op);	913	identify (op);
883	}	914	}
884		915
885
886	/* returns a double that is the ratio of the price that a shop will offer for	916	/* returns a double that is the ratio of the price that a shop will offer for
887	* item based on the shops specialisation. Does not take account of greed,	917	* item based on the shops specialisation. Does not take account of greed,
888	* returned value is between (2*SPECIALISATION_EFFECT-1) and 1 and in any	918	* returned value is between SPECIALISATION_EFFECT and 1.
889	* event is never less than 0.1 (calling functions divide by it)
890	*/	919	*/
		920	static double
891	static double shop_specialisation_ratio(const object *item, const mapstruct *map) {	921	shop_specialisation_ratio (const object *item, const maptile *map)
		922	{
892	shopitems *items=map->shopitems;	923	shopitems *items = map->shopitems;
893	double ratio = SPECIALISATION_EFFECT, likedness=0.001;	924	double likedness = 0.;
894	int i;	925	int i;
895		926
896	if (item==NULL) {	927	if (item == NULL)
		928	{
897	LOG(llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", map->path);	929	LOG (llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", &map->path);
898	return 0;	930	return 0;
899	}	931	}
		932
900	if (!item->type) {	933	if (!item->type)
		934	{
901	LOG(llevError, "shop_specialisation_ratio: passed an item with an invalid type\n");	935	LOG (llevError, "shop_specialisation_ratio: passed an item with an invalid type\n");
902	/*	936	/*
903	* I'm not really sure what the /right/ thing to do here is, these types of	937	* I'm not really sure what the /right/ thing to do here is, these types of
904	* item shouldn't exist anyway, but returning the ratio is probably the best bet.."	938	* item shouldn't exist anyway, but returning the ratio is probably the best bet.."
905	*/	939	*/
906	return ratio;	940	return SPECIALISATION_EFFECT;
907	}	941	}
		942
908	if (map->shopitems) {	943	if (map->shopitems)
		944	{
909	for (i=0; i<items[0].index; i++)	945	for (i = 0; i < items[0].index; i++)
910	if (items[i].typenum==item->type || (!items[i].typenum && likedness == 0.001))	946	if (items[i].typenum == item->type || (!items[i].typenum && likedness == 0.001))
911	likedness = items[i].strength/100.0;	947	likedness = items[i].strength / 100.0;
912	}	948	}
913	if (likedness > 1.0) { /* someone has been rather silly with the map headers. */	949
		950	if (likedness > 1.0)
		951	{ /* someone has been rather silly with the map headers. */
914	LOG(llevDebug, "shop_specialisation ratio: item type %d on map %s is above 100%%\n",	952	LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is above 100%%\n", item->type, &map->path);
915	item->type, map->path);
916	likedness = 1.0;	953	likedness = 1.0;
917	}	954	}
		955
918	if (likedness < -1.0) {	956	if (likedness < -1.0)
		957	{
919	LOG(llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n",	958	LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n", item->type, &map->path);
920	item->type, map->path);
921	likedness = -1.0;	959	likedness = -1.0;
922	}	960	}
923	ratio = ratio + (1.0-ratio) * likedness;	961
924	if (ratio <= 0.1) ratio=0.1; /* if the ratio were much lower than this, we would get silly prices */	962	return lerp (likedness, -1., 1., SPECIALISATION_EFFECT, 1.);
925	return ratio;
926	}	963	}
927		964
928	/*returns the greed of the shop on map, or 1 if it isn't specified. */	965	/*returns the greed of the shop on map, or 1 if it isn't specified. */
929	static double shop_greed(const mapstruct *map) {	966	static double
930	double greed=1.0;	967	shop_greed (const maptile *map)
931	if (map->shopgreed)	968	{
932	return map->shopgreed;	969	return map->shopgreed
933	return greed;	970	? map->shopgreed
		971	: 1.;
934	}	972	}
935		973
936	/* Returns a double based on how much the shopkeeper approves of the player.	974	/* Returns a double based on how much the shopkeeper approves of the player.
937	* this is based on the race of the shopkeeper and that of the player.	975	* this is based on the race of the shopkeeper and that of the player.
938	*/	976	*/
		977	double
939	double shopkeeper_approval(const mapstruct *map, const object *player) {	978	shopkeeper_approval (const maptile *map, const object *player)
940	double approval=1.0;	979	{
941		980	return map->shoprace && player->race != map->shoprace
942	if (map->shoprace) {	981	? DISLIKE_RATIO
943	approval=NEUTRAL_RATIO;	982	: 1.;
944	if (player->race && !strcmp(player->race, map->shoprace)) approval = 1.0;
945	}
946	return approval;
947	}	983	}
948		984
949	/* limit the value of items based on the wealth of the shop. If the item is close	985	/* limit the value of items based on the wealth of the shop. If the item is close
950	* to the maximum value a shop will offer, we start to reduce it, if the item is	986	* to the maximum value a shop will offer, we start to reduce it, if the item is
951	* below the minimum value the shop is prepared to trade in, then we don't	987	* below the minimum value the shop is prepared to trade in, then we don't
952	* want it and offer nothing. If it isn't a shop, check whether we should do generic	988	* want it and offer nothing. If it isn't a shop, check whether we should do generic
953	* value reduction.	989	* value reduction.
954	*	990	*
955	*/	991	*/
		992	static sint64
956	static uint64 value_limit (uint64 val, int quantity, const object *who, int isshop) {	993	value_limit (sint64 val, int quantity, const object *who, int isshop)
		994	{
957	uint64 newval, unit_price, tmpshopmax;	995	sint64 newval, unit_price, tmpshopmax;
958	mapstruct *map;	996	maptile *map;
959		997
960	unit_price = val / quantity;	998	unit_price = val / quantity;
961		999
962	if (!isshop || !who)	1000	if (!isshop || !who)
963	{	1001	{
964	if (unit_price > 250000)	1002	if (unit_price > 250000)
965	newval = (uint64) (250000. - pow (250000., .75) * 65. + pow (unit_price, .75) * 65.);	1003	newval = (sint64) (250000. - pow (250000., .75) * 65. + pow (unit_price, .75) * 65.);
966	else	1004	else
967	newval = unit_price;	1005	newval = unit_price;
968	}	1006	}
969	else	1007	else
970	{	1008	{
971	if (!who->map)	1009	if (!who->map)
972	{	1010	{
973	LOG(llevError, "value_limit: asked shop price for ob %s on NULL map\n", who->name);	1011	LOG (llevError, "value_limit: asked shop price for ob %s on NULL map\n", &who->name);
974	return val;	1012	return val;
975	}	1013	}
976		1014
977	map = who->map;	1015	map = who->map;
978		1016
979	tmpshopmax = map->shopmax ? map->shopmax : 100000; // 20 royalties default	1017	tmpshopmax = map->shopmax ? map->shopmax : 100000; // 20 royalties default
980		1018
981	if (map->shopmin && unit_price < map->shopmin)	1019	if (map->shopmin && unit_price < map->shopmin)
982	return 0;	1020	return 0;
983	else if (unit_price > tmpshopmax / 2)	1021	else if (unit_price > tmpshopmax / 2)
984	newval = MIN ((tmpshopmax / 2) + isqrt (unit_price - tmpshopmax / 2), tmpshopmax);	1022	newval = MIN ((tmpshopmax / 2) + isqrt (unit_price - tmpshopmax / 2), tmpshopmax);
985	else	1023	else
986	newval=unit_price;	1024	newval = unit_price;
987	}	1025	}
988		1026
989	newval *= quantity;	1027	newval *= quantity;
990		1028
991	return newval;	1029	return newval;
992	}	1030	}
993		1031
994	/* gives a desciption of the shop on their current map to the player op. */	1032	/* gives a desciption of the shop on their current map to the player op. */
		1033	int
995	int describe_shop(const object *op) {	1034	describe_shop (const object *op)
		1035	{
996	mapstruct *map = op->map;	1036	maptile *map = op->map;
		1037
997	/*shopitems *items=map->shopitems;*/	1038	/*shopitems *items=map->shopitems; */
998	int pos=0, i;	1039	int pos = 0, i;
999	double opinion=0;	1040	double opinion = 0;
1000	char tmp[MAX_BUF]="\0";	1041	char tmp[MAX_BUF] = "\0";
		1042
1001	if (op->type != PLAYER) return 0;	1043	if (op->type != PLAYER)
		1044	return 0;
1002		1045
1003	/*check if there is a shop specified for this map */	1046	/*check if there is a shop specified for this map */
1004	if (map->shopitems || map->shopgreed || map->shoprace || map->shopmin || map->shopmax) {	1047	if (map->shopitems || map->shopgreed || map->shoprace || map->shopmin || map->shopmax)
		1048	{
1005	new_draw_info(NDI_UNIQUE,0,op,"From looking at the nearby shop you determine that it trades in:");	1049	new_draw_info (NDI_UNIQUE, 0, op, "From looking at the nearby shop you determine that it trades in:");
		1050
1006	if (map->shopitems) {	1051	if (map->shopitems)
1007	for (i=0; i < map->shopitems[0].index; i++) {	1052	for (i = 0; i < map->shopitems[0].index; i++)
1008	if (map->shopitems[i].name && map->shopitems[i].strength > 10) {	1053	if (map->shopitems[i].name && map->shopitems[i].strength > 10)
		1054	{
1009	snprintf(tmp+pos, sizeof(tmp)-pos, "%s, ", map->shopitems[i].name_pl);	1055	snprintf (tmp + pos, sizeof (tmp) - pos, "%s, ", map->shopitems[i].name_pl);
1010	pos += strlen(tmp+pos);	1056	pos += strlen (tmp + pos);
1011	}
1012	}	1057	}
1013	}	1058
		1059	if (!pos)
1014	if (!pos) strcat(tmp, "a little of everything.");	1060	strcat (tmp, "a little of everything.");
1015		1061
1016	/* format the string into a list */	1062	/* format the string into a list */
1017	make_list_like(tmp);	1063	make_list_like (tmp);
1018	new_draw_info_format(NDI_UNIQUE, 0, op, "%s", tmp);	1064	new_draw_info_format (NDI_UNIQUE, 0, op, "%s", tmp);
1019		1065
1020	if (map->shopmax)	1066	if (map->shopmax)
1021	new_draw_info_format(NDI_UNIQUE,0,op,"It won't trade for items above %s.",	1067	new_draw_info_format (NDI_UNIQUE, 0, op, "It won't trade for items above %s.", cost_string_from_value (map->shopmax, 0));
1022	cost_string_from_value(map->shopmax, 0));	1068
1023	if (map->shopmin)	1069	if (map->shopmin)
1024	new_draw_info_format(NDI_UNIQUE,0,op,"It won't trade in items worth less than %s.",	1070	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));
1025	cost_string_from_value(map->shopmin, 0));	1071
1026	if (map->shopgreed) {	1072	if (map->shopgreed)
		1073	{
1027	if (map->shopgreed >2.0)	1074	if (map->shopgreed > 2.0)
1028	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge massively.");	1075	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge massively.");
1029	else if (map->shopgreed >1.5)	1076	else if (map->shopgreed > 1.5)
1030	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge substantially.");	1077	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge substantially.");
1031	else if (map->shopgreed >1.1)	1078	else if (map->shopgreed > 1.1)
1032	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge slightly.");	1079	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge slightly.");
1033	else if (map->shopgreed <0.9)	1080	else if (map->shopgreed < 0.9)
1034	new_draw_info(NDI_UNIQUE,0,op,"It tends to undercharge.");	1081	new_draw_info (NDI_UNIQUE, 0, op, "It tends to undercharge.");
1035	}	1082	}
		1083
1036	if (map->shoprace) {	1084	if (map->shoprace)
		1085	{
1037	opinion=shopkeeper_approval(map, op);	1086	opinion = shopkeeper_approval (map, op);
1038	if (opinion > 0.8)	1087	if (opinion > 0.8)
1039	new_draw_info(NDI_UNIQUE,0,op,"You think the shopkeeper likes you.");	1088	new_draw_info (NDI_UNIQUE, 0, op, "You think the shopkeeper likes you.");
1040	else if (opinion > 0.5)	1089	else if (opinion > 0.5)
1041	new_draw_info(NDI_UNIQUE,0,op,"The shopkeeper seems unconcerned by you.");	1090	new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper seems unconcerned by you.");
1042	else	1091	else
1043	new_draw_info(NDI_UNIQUE,0,op,"The shopkeeper seems to have taken a dislike to you.");	1092	new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper seems to have taken a dislike to you.");
1044	}	1093	}
1045	}	1094	}
		1095	else
1046	else new_draw_info(NDI_UNIQUE,0,op,"There is no shop nearby.");	1096	new_draw_info (NDI_UNIQUE, 0, op, "There is no shop nearby.");
1047		1097
1048	return 1;	1098	return 1;
1049	}	1099	}
1050	typedef struct shopinv {	1100
		1101	struct shopinv
		1102	{
1051	char *item_sort;	1103	char *item_sort;
1052	char *item_real;	1104	char *item_real;
1053	uint16 type;	1105	uint16 type;
1054	uint32 nrof;	1106	uint32 nrof;
1055	} shopinv;	1107	};
1056		1108
1057	/* There are a lot fo extra casts in here just to suppress warnings - it	1109	/* There are a lot fo extra casts in here just to suppress warnings - it
1058	* makes it look uglier than it really it.	1110	* makes it look uglier than it really it.
1059	* The format of the strings we get is type:name. So we first want to	1111	* The format of the strings we get is type:name. So we first want to
1060	* sort by type (numerical) - if the same type, then sort by name.	1112	* sort by type (numerical) - if the same type, then sort by name.
1061	*/	1113	*/
		1114	static int
1062	static int shop_sort(const void *a1, const void *a2)	1115	shop_sort (const void *a1, const void *a2)
1063	{	1116	{
1064	shopinv *s1 = (shopinv*)a1, *s2= (shopinv*)a2;	1117	shopinv *s1 = (shopinv *) a1, *s2 = (shopinv *) a2;
1065		1118
1066	if (s1->type<s2->type) return -1;	1119	if (s1->type < s2->type)
		1120	return -1;
1067	if (s1->type>s2->type) return 1;	1121	if (s1->type > s2->type)
		1122	return 1;
		1123
1068	/* the type is the same (what atoi gets), so do a strcasecmp to sort	1124	/* the type is the same (what atoi gets), so do a strcasecmp to sort
1069	* via alphabetical order	1125	* via alphabetical order
1070	*/	1126	*/
1071	return strcasecmp(s1->item_sort, s2->item_sort);	1127	return strcasecmp (s1->item_sort, s2->item_sort);
1072	}	1128	}
1073		1129
		1130	static void
1074	static void add_shop_item(object *tmp, shopinv *items, int *numitems, int *numallocated)	1131	add_shop_item (object *tmp, shopinv * items, int *numitems, int *numallocated)
1075	{	1132	{
1076	#if 0	1133	#if 0
1077	char buf[MAX_BUF];	1134	char buf[MAX_BUF];
1078	#endif	1135	#endif
1079	/* clear unpaid flag so that doesn't come up in query	1136	/* clear unpaid flag so that doesn't come up in query
1080	* string. We clear nrof so that we can better sort	1137	* string. We clear nrof so that we can better sort
1081	* the object names.	1138	* the object names.
1082	*/	1139	*/
1083		1140
1084	CLEAR_FLAG(tmp, FLAG_UNPAID);	1141	CLEAR_FLAG (tmp, FLAG_UNPAID);
1085	items[*numitems].nrof=tmp->nrof;	1142	items[*numitems].nrof = tmp->nrof;
1086	/* Non mergable items have nrof of 0, but count them as one	1143	/* Non mergable items have nrof of 0, but count them as one
1087	* so the display is properly.	1144	* so the display is properly.
1088	*/	1145	*/
1089	if (tmp->nrof == 0) items[*numitems].nrof++;	1146	if (tmp->nrof == 0)
		1147	items[*numitems].nrof++;
1090	items[*numitems].type=tmp->type;	1148	items[*numitems].type = tmp->type;
1091		1149
1092	switch (tmp->type) {	1150	switch (tmp->type)
		1151	{
1093	#if 0	1152	#if 0
1094	case BOOTS:	1153	case BOOTS:
1095	case GLOVES:	1154	case GLOVES:
1096	case RING:	1155	case RING:
1097	case AMULET:	1156	case AMULET:
1098	case BRACERS:	1157	case BRACERS:
1099	case GIRDLE:	1158	case GIRDLE:
1100	sprintf(buf,"%s %s",query_base_name(tmp,0),describe_item(tmp, NULL));	1159	sprintf (buf, "%s %s", query_base_name (tmp, 0), describe_item (tmp, NULL));
1101	items[*numitems].item_sort = strdup_local(buf);	1160	items[*numitems].item_sort = strdup (buf);
1102	sprintf(buf,"%s %s",query_name(tmp),describe_item(tmp, NULL));	1161	sprintf (buf, "%s %s", query_name (tmp), describe_item (tmp, NULL));
1103	items[*numitems].item_real = strdup_local(buf);	1162	items[*numitems].item_real = strdup (buf);
1104	(*numitems)++;	1163	(*numitems)++;
1105	break;	1164	break;
1106	#endif	1165	#endif
1107		1166
1108	default:	1167	default:
1109	items[*numitems].item_sort = strdup_local(query_base_name(tmp, 0));	1168	items[*numitems].item_sort = strdup (query_base_name (tmp, 0));
1110	items[*numitems].item_real = strdup_local(query_base_name(tmp, 1));	1169	items[*numitems].item_real = strdup (query_base_name (tmp, 1));
1111	(*numitems)++;	1170	(*numitems)++;
1112	break;	1171	break;
1113	}	1172	}
1114	SET_FLAG(tmp, FLAG_UNPAID);	1173	SET_FLAG (tmp, FLAG_UNPAID);
1115	}	1174	}
1116		1175
1117	void shop_listing(object *op)	1176	void
		1177	shop_listing (object *sign, object *op)
1118	{	1178	{
1119	int i,j,numitems=0,numallocated=0, nx, ny;	1179	int i, j, numitems = 0, numallocated = 0, x1, x2, y1, y2;
1120	char *map_mark = (char *) calloc(MAGIC_MAP_SIZE * MAGIC_MAP_SIZE,1);	1180	const char *shop_coords = get_ob_key_value (sign, "shop_coords");
1121	object *stack;	1181	object *stack;
1122	shopinv *items;	1182	shopinv *items;
1123		1183
1124	/* Should never happen, but just in case a monster does apply a sign */	1184	/* Should never happen, but just in case a monster does apply a sign */
1125	if (op->type!=PLAYER) return;	1185	if (op->type != PLAYER)
		1186	return;
1126		1187
1127	new_draw_info(NDI_UNIQUE, 0, op, "\nThe shop contains:");	1188	if (!(shop_coords && sscanf (shop_coords, "%d,%d,%d,%d", &x1, &y1, &x2, &y2)))
		1189	{
		1190	x1 = 0;
		1191	y1 = 0;
		1192	x2 = op->map->width - 1;
		1193	y2 = op->map->height - 1;
		1194	}
1128		1195
1129	magic_mapping_mark(op, map_mark, 3);
1130	items=(shopinv*)malloc(40*sizeof(shopinv));	1196	items = (shopinv *) malloc (40 * sizeof (shopinv));
1131	numallocated=40;	1197	numallocated = 40;
1132		1198
1133	/* Find all the appropriate items */	1199	/* Find all the appropriate items */
1134	for (i=0; i<MAP_WIDTH(op->map); i++) {	1200	for (i = x1; i <= x2; i++)
1135	for (j=0; j<MAP_HEIGHT(op->map); j++) {	1201	{
1136	/* magic map code now centers the map on the object at MAGIC_MAP_HALF.	1202	for (j = y1; j < y2; j++)
		1203	{
		1204	if (is_in_shop (op->map, i, j))
1137	*	1205	{
1138	*/
1139	nx = i - op->x + MAGIC_MAP_HALF;
1140	ny = j - op->y + MAGIC_MAP_HALF;
1141	/* unlikely, but really big shops could run into this issue */
1142	if (nx < 0 || ny < 0 || nx > MAGIC_MAP_SIZE || ny > MAGIC_MAP_SIZE) continue;
1143
1144	if (map_mark[nx + MAGIC_MAP_SIZE * ny] & FACE_FLOOR) {
1145	stack =get_map_ob(op->map,i,j);	1206	stack = GET_MAP_OB (op->map, i, j);
1146		1207
1147	while (stack) {	1208	while (stack)
		1209	{
1148	if (QUERY_FLAG(stack, FLAG_UNPAID)) {	1210	if (QUERY_FLAG (stack, FLAG_UNPAID))
		1211	{
1149	if (numitems==numallocated) {	1212	if (numitems == numallocated)
		1213	{
1150	items=(shopinv*)realloc(items, sizeof(shopinv)*(numallocated+10));	1214	items = (shopinv *) realloc (items, sizeof (shopinv) * (numallocated + 10));
1151	numallocated+=10;	1215	numallocated += 10;
1152	}	1216	}
		1217
1153	add_shop_item(stack, items, &numitems, &numallocated);	1218	add_shop_item (stack, items, &numitems, &numallocated);
1154	}	1219	}
		1220
1155	stack = stack->above;	1221	stack = stack->above;
1156	}	1222	}
1157	}	1223	}
1158	}	1224	}
1159	}	1225	}
1160	free(map_mark);	1226
1161	if (numitems == 0) {	1227	if (numitems == 0)
		1228	{
1162	new_draw_info(NDI_UNIQUE, 0, op, "The shop is currently empty.\n");	1229	new_draw_info (NDI_UNIQUE, 0, op, "The shop is currently empty.\n");
1163	free(items);	1230	free (items);
1164	return;	1231	return;
1165	}	1232	}
		1233
1166	qsort(items, numitems, sizeof(shopinv), (int (*)(const void*, const void*))shop_sort);	1234	qsort (items, numitems, sizeof (shopinv), (int (*)(const void *, const void *)) shop_sort);
1167		1235
		1236	new_draw_info (NDI_UNIQUE, 0, op, "\nThe shop contains:");
		1237
1168	for (i=0; i<numitems; i++) {	1238	for (i = 0; i < numitems; i++)
		1239	{
1169	/* Collapse items of the same name together */	1240	/* Collapse items of the same name together */
1170	if ((i+1)<numitems && !strcmp(items[i].item_real, items[i+1].item_real)) {	1241	if ((i + 1) < numitems && !strcmp (items[i].item_real, items[i + 1].item_real))
		1242	{
1171	items[i+1].nrof += items[i].nrof;	1243	items[i + 1].nrof += items[i].nrof;
1172	free(items[i].item_sort);	1244	free (items[i].item_sort);
1173	free(items[i].item_real);	1245	free (items[i].item_real);
		1246	}
1174	} else {	1247	else
		1248	{
1175	new_draw_info_format(NDI_UNIQUE, 0, op, "%d %s",	1249	new_draw_info_format (NDI_UNIQUE, 0, op, "%d %s",
1176	items[i].nrof? items[i].nrof:1,
1177	items[i].nrof==1?items[i].item_sort: items[i].item_real);	1250	items[i].nrof ? items[i].nrof : 1, items[i].nrof == 1 ? items[i].item_sort : items[i].item_real);
1178	free(items[i].item_sort);	1251	free (items[i].item_sort);
1179	free(items[i].item_real);	1252	free (items[i].item_real);
1180	}	1253	}
1181	}	1254	}
		1255
1182	free(items);	1256	free (items);
1183	}	1257	}
1184		1258
1185	/* elmex: this function checks whether the object is in a shop */	1259	/* elmex: this function checks whether the object is in a shop */
		1260	bool
1186	bool is_in_shop (object *o)	1261	is_in_shop (object *o)
1187	{	1262	{
1188	if (!o->map)	1263	if (!o->map)
1189	return false;	1264	return false;
1190		1265
1191	return is_in_shop (o->map, o->x, o->y);	1266	return is_in_shop (o->map, o->x, o->y);
1192	}	1267	}
1193		1268
1194	/* elmex: this function checks whether we are in a shop or not */	1269	/* elmex: this function checks whether we are in a shop or not
		1270	- change 2007-11-26: enhanced the O(n) case by stopping at the first
		1271	floor tile. this possibly will make map bugs where shopfloors are above
		1272	floors more obvious.
		1273	*/
		1274
		1275	bool
1195	bool is_in_shop (mapstruct *map, int x, int y)	1276	is_in_shop (maptile *map, int x, int y)
1196	{	1277	{
1197	for (object *floor = get_map_ob (map, x, y); floor; floor = floor->above)	1278	for (object *floor = GET_MAP_OB (map, x, y); floor; floor = floor->above)
		1279	if (QUERY_FLAG (floor, FLAG_IS_FLOOR))
1198	if (floor->type == SHOP_FLOOR)	1280	return floor->type == SHOP_FLOOR;
1199	return true;
1200
1201	return false;	1281	return false;
1202	}	1282	}
		1283

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