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Comparing deliantra/server/server/shop.C (file contents):
Revision 1.5 by root, Tue Aug 29 07:34:00 2006 UTC vs.
Revision 1.37 by root, Mon May 28 21:28:36 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 1.5 2006/08/29 07:34:00 root 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 it
13	it under the terms of the GNU General Public License as published by	9	* under the terms of the GNU General Public License as published by the Free
14	the Free Software Foundation; either version 2 of the License, or	10	* Software Foundation; either version 2 of the License, or (at your option)
15	(at your option) any later version.	11	* 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, but
18	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20	GNU General Public License for more details.	16	* 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 along
23	along with this program; if not, write to the Free Software	19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
24	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25		21	*
26	The authors can be reached via e-mail at crossfire-devel@real-time.com	22	* The authors can be reached via e-mail to <crossfire@schmorp.de>
27	*/	23	*/
28		24
29	#include <global.h>	25	#include <global.h>
30	#include <spells.h>	26	#include <spells.h>
31	#include <skills.h>	27	#include <skills.h>
32	#include <living.h>	28	#include <living.h>
33	#include <newclient.h>
34	#ifndef __CEXTRACT__
35	#include <sproto.h>	29	#include <sproto.h>
36	#endif
37	#include <math.h>	30	#include <math.h>
38		31
39	/* this is a measure of how effective store specialisation is. A general store	32	/* 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	33	* 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	34	* offer a range of prices around it such that the maximum price is always one
…		…
46	#define SPECIALISATION_EFFECT 0.5	39	#define SPECIALISATION_EFFECT 0.5
47		40
48	/* price a shopkeeper will give someone they neither like nor dislike */	41	/* price a shopkeeper will give someone they neither like nor dislike */
49	#define NEUTRAL_RATIO 0.8	42	#define NEUTRAL_RATIO 0.8
50		43
51	static uint64 pay_from_container(object *pl, object *pouch, uint64 to_pay);	44	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);	45	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);	46	static double shop_specialisation_ratio (const object *item, const maptile *map);
54	static double shop_greed(const mapstruct *map);	47	static double shop_greed (const maptile *map);
55		48
56	#define NUM_COINS 4 /* number of coin types */	49	#define NUM_COINS 4 /* number of coin types */
57	static const char* const coins[] = {"royalty", "platinacoin", "goldcoin", "silvercoin", NULL};	50	static const char *const coins[] = { "royalty", "platinacoin", "goldcoin", "silvercoin", NULL };
58		51
59	/* Added F_TRUE flag to define.h to mean that the price should not	52	/* 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	53	* 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.	54	* 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	55	* This is needed for alchemy, to to determine what value of gold nuggets
…		…
79	* thus remained 0.	72	* thus remained 0.
80	*	73	*
81	* Mark Wedel (mwedel@pyramid.com)	74	* Mark Wedel (mwedel@pyramid.com)
82	*/	75	*/
83		76
84	static uint64 approx_range;	77	static sint64 approx_range;
85		78
		79	sint64
86	uint64 query_cost(const object *tmp, object *who, int flag) {	80	query_cost (const object *tmp, object *who, int flag)
		81	{
87	double val;	82	double val;
88	int number; /* used to better calculate value */	83	int number; /* used to better calculate value */
89	int no_bargain;	84	int no_bargain;
90	int identified;	85	int identified;
91	int not_cursed;	86	int not_cursed;
92	int approximate;	87	int approximate;
93	int shop;	88	int shop;
94	double diff;	89	double diff;
95		90
96	approx_range = 0;	91	approx_range = 0;
97		92
98	no_bargain = flag & F_NO_BARGAIN;	93	no_bargain = flag & F_NO_BARGAIN;
99	identified = flag & F_IDENTIFIED;	94	identified = flag & F_IDENTIFIED;
100	not_cursed = flag & F_NOT_CURSED;	95	not_cursed = flag & F_NOT_CURSED;
101	approximate = flag & F_APPROX;	96	approximate = flag & F_APPROX;
102	shop = flag & F_SHOP;	97	shop = flag & F_SHOP;
103	flag &= ~(F_NO_BARGAIN|F_IDENTIFIED|F_NOT_CURSED|F_APPROX|F_SHOP);	98	flag &= ~(F_NO_BARGAIN | F_IDENTIFIED | F_NOT_CURSED | F_APPROX | F_SHOP);
104		99
105	if (tmp->type==MONEY) return (tmp->nrof * tmp->value);	100	if (tmp->type == MONEY)
		101	return tmp->nrof * tmp->value;
		102
106	if (tmp->type==GEM) {	103	if (tmp->type == GEM)
107	if (flag==F_TRUE) return (tmp->nrof * tmp->value);
108	if (flag==F_BUY) return (uint64) (1.03 * tmp->nrof * tmp->value);
109	if (flag==F_SELL) return (uint64) (0.97 * tmp->nrof * tmp->value);
110	LOG(llevError,"Query_cost: Gem type with unknown flag : %d\n", flag);
111	return 0;
112	}	104	{
		105	if (flag == F_TRUE)
		106	return (tmp->nrof * tmp->value);
		107
		108	if (flag == F_BUY)
		109	return (sint64) (1.03 * tmp->nrof * tmp->value);
		110
		111	if (flag == F_SELL)
		112	return (sint64) (0.97 * tmp->nrof * tmp->value);
		113
		114	LOG (llevError, "Query_cost: Gem type with unknown flag %d: %s\n", flag, tmp->debug_desc ());
		115	return 0;
		116	}
		117
113	number = tmp->nrof;	118	number = tmp->nrof;
114	if (number==0) number=1;	119	if (number == 0)
		120	number = 1;
115	if (QUERY_FLAG(tmp, FLAG_IDENTIFIED) || !need_identify(tmp) || identified) {	121	if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified)
		122	{
116	if (!not_cursed && (QUERY_FLAG(tmp, FLAG_CURSED) || QUERY_FLAG(tmp, FLAG_DAMNED)))	123	if (!not_cursed && (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)))
117	return 0;	124	return 0;
118	else	125	else
119	val=tmp->value * number;	126	val = tmp->value * number;
120	}	127	}
121	/* This area deals with objects that are not identified, but can be */	128	/* This area deals with objects that are not identified, but can be */
122	else {	129	else
		130	{
123	if (tmp->arch != NULL) {	131	if (tmp->arch != NULL)
		132	{
124	if (flag == F_BUY) {	133	if (flag == F_BUY)
		134	{
125	LOG(llevError, "Asking for buy-value of unidentified object.\n");	135	LOG (llevError, "Asking for buy-value of unidentified object.\n");
126	val = tmp->arch->clone.value * 50 * number;	136	val = tmp->arch->clone.value * 50 * number;
127	}	137	}
128	else { /* Trying to sell something, or get true value */	138	else
		139	{ /* Trying to sell something, or get true value */
129	if (tmp->type == POTION)	140	if (tmp->type == POTION)
130	val = number * 40; /* Don't want to give anything away */	141	val = number * 40; /* Don't want to give anything away */
131	else {	142	else
		143	{
132	/* Get 2/3'rd value for applied objects, 1/3'rd for totally	144	/* Get 2/3'rd value for applied objects, 1/3'rd for totally
133	* unknown objects	145	* unknown objects
134	*/	146	*/
135	if (QUERY_FLAG(tmp, FLAG_BEEN_APPLIED))	147	if (QUERY_FLAG (tmp, FLAG_BEEN_APPLIED))
136	val = number * tmp->arch->clone.value *2 / 3;	148	val = number * tmp->arch->clone.value * 2 / 3;
		149	else
		150	val = number * tmp->arch->clone.value / 3;
		151	}
		152	}
		153	}
137	else	154	else
138	val = number * tmp->arch->clone.value / 3;	155	{ /* No archetype with this object */
139	}
140	}
141	} else { /* No archetype with this object */
142	LOG(llevDebug,"In sell item: Have object with no archetype: %s\n", tmp->name);	156	LOG (llevDebug, "In sell item: Have object with no archetype: %s\n", &tmp->name);
143	if (flag == F_BUY) {	157	if (flag == F_BUY)
		158	{
144	LOG(llevError, "Asking for buy-value of unidentified object without arch.\n");	159	LOG (llevError, "Asking for buy-value of unidentified object without arch.\n");
145	val = number * tmp->value * 10;	160	val = number * tmp->value * 10;
		161	}
		162	else
		163	val = number * tmp->value / 5;
		164	}
146	}	165	}
147	else
148	val = number * tmp->value / 5;
149	}
150	}
151		166
152	/* If the item has been applied or identifed or does not need to be	167	/* 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	168	* identified, AND the object is magical and the archetype is non
154	* magical, then change values accordingly. The tmp->arch==NULL is	169	* magical, then change values accordingly. The tmp->arch==NULL is
155	* really just a check to prevent core dumps for when it checks	170	* really just a check to prevent core dumps for when it checks
156	* tmp->arch->clone.magic for any magic. The check for archetype	171	* tmp->arch->clone.magic for any magic. The check for archetype
157	* magic is to not give extra money for archetypes that are by	172	* magic is to not give extra money for archetypes that are by
158	* default magical. This is because the archetype value should have	173	* default magical. This is because the archetype value should have
159	* already figured in that value.	174	* already figured in that value.
160	*/	175	*/
161	if((QUERY_FLAG(tmp, FLAG_IDENTIFIED)||!need_identify(tmp)||identified||	176	if ((QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified ||
162	QUERY_FLAG(tmp, FLAG_BEEN_APPLIED)) &&	177	QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) && tmp->magic && (tmp->arch == NULL || !tmp->arch->clone.magic))
163	tmp->magic&&(tmp->arch==NULL||!tmp->arch->clone.magic)) {	178	{
164	if(tmp->magic>0)	179	if (tmp->magic > 0)
165	val*=(3*tmp->magic*tmp->magic*tmp->magic);	180	val *= (3 * tmp->magic * tmp->magic * tmp->magic);
166	else	181	else
167	/* Note that tmp->magic is negative, so that this	182	/* Note that tmp->magic is negative, so that this
168	* will actually be something like val /=2, /=3, etc.	183	* 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	*/
178	if (QUERY_FLAG(tmp, FLAG_IDENTIFIED) || !need_identify(tmp) || identified)
179	val=(val*tmp->stats.food) / 50;
180	else /* if not identified, presume one charge */
181	val/=50;
182	}
183
184	/* Limit amount of money you can get for really great items. */
185	if (flag==F_SELL)
186	val=value_limit((uint64)val, number, who, shop);
187
188	// 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.
190	//val = pow (val, 1.05);
191
192	/* This modification is for bargaining skill.
193	* Now only players with max level in bargaining
194	* AND Cha = 30 will get optimal price.
195	* Thus charisma will never get useless.
196	* -b.e. edler@heydernet.de
197	*/
198
199	if (who!=NULL && who->type==PLAYER) {
200	int lev_bargain = 0;
201	int lev_identify = 0;
202	int idskill1=0;
203	int idskill2=0;
204	const typedata *tmptype;
205
206	tmptype=get_typedata(tmp->type);
207
208	if (find_skill_by_number(who,SK_BARGAINING)) {
209	lev_bargain = find_skill_by_number(who,SK_BARGAINING)->level;
210	}
211	if (tmptype) {
212	idskill1=tmptype->identifyskill;
213	if (idskill1) {
214	idskill2=tmptype->identifyskill2;
215	if (find_skill_by_number(who,idskill1)) {
216	lev_identify = find_skill_by_number(who,idskill1)->level;
217	}
218	if (idskill2 && find_skill_by_number(who,idskill2)) {
219	lev_identify += find_skill_by_number(who,idskill2)->level;
220	}
221	}
222	}
223	else LOG(llevError, "Query_cost: item %s hasn't got a valid type\n", tmp->name);
224
225	/* ratio determines how much of the price modification
226	* will come from the basic stat charisma
227	* the rest will come from the level in bargaining skill
228	*/	184	*/
		185	val /= (1 - tmp->magic);
		186	}
		187
		188	if (tmp->type == WAND)
		189	{
		190	/* Value of the wand is multiplied by the number of
		191	* charges. the treasure code already sets up the value
		192	* 50 charges is used as the baseline.
		193	*/
		194	if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified)
		195	val = (val * tmp->stats.food) / 50;
		196	else /* if not identified, presume one charge */
		197	val /= 50;
		198	}
		199
		200	/* Limit amount of money you can get for really great items. */
		201	if (flag == F_SELL)
		202	val = value_limit ((sint64) val, number, who, shop);
		203
		204	// use a nonlinear price adjustment. as my predecessor said, don't change
		205	// the archetypes, its work required for balancing, and we don't care.
		206	//val = pow (val, 1.05);
		207
		208	/* This modification is for bargaining skill.
		209	* Now only players with max level in bargaining
		210	* AND Cha = 30 will get optimal price.
		211	* Thus charisma will never get useless.
		212	* -b.e. edler@heydernet.de
		213	*/
		214
		215	if (who != NULL && who->type == PLAYER)
		216	{
		217	int lev_bargain = 0;
		218	int lev_identify = 0;
		219	int idskill1 = 0;
		220	int idskill2 = 0;
		221	const typedata *tmptype;
		222
		223	tmptype = get_typedata (tmp->type);
		224
		225	if (find_skill_by_number (who, SK_BARGAINING))
		226	lev_bargain = find_skill_by_number (who, SK_BARGAINING)->level;
		227
		228	if (tmptype)
		229	{
		230	idskill1 = tmptype->identifyskill;
		231
		232	if (idskill1)
		233	{
		234	idskill2 = tmptype->identifyskill2;
		235
		236	if (find_skill_by_number (who, idskill1))
		237	lev_identify = find_skill_by_number (who, idskill1)->level;
		238
		239	if (idskill2 && find_skill_by_number (who, idskill2))
		240	lev_identify += find_skill_by_number (who, idskill2)->level;
		241	}
		242	}
		243	else
		244	LOG (llevError, "Query_cost: item %s hasn't got a valid type\n", tmp->debug_desc ());
		245
		246	/* ratio determines how much of the price modification
		247	* will come from the basic stat charisma
		248	* the rest will come from the level in bargaining skill
		249	*/
229	const double cha_ratio = 0.40;	250	const double cha_ratio = 0.40;
230		251
231	diff = no_bargain ? 1.0 : 1. - pow (lev_bargain / (double)settings.max_level, 0.25);	252	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.);	253	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;	254	diff = .02 + (.80 - .02) * diff;
237
238	if (flag == F_BUY) val += (val * diff);
239	else if (flag == F_SELL) val -= (val * diff);
240		255
		256	if (flag == F_BUY)
		257	val += val * diff;
		258	else if (flag == F_SELL)
		259	val -= val * diff;
		260
241	// now find a price range. the less good we can judge, the larger the range is	261	// 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	262	// then the range is adjusted randomly around the correct value
243	if (approximate)	263	if (approximate)
244	approx_range = uint64 (val / sqrt (lev_identify * 3 + 1));	264	approx_range = sint64 (val / sqrt (lev_identify * 3 + 1));
245	}
246		265	}
		266
247	/* I don't think this should really happen - if it does, it indicates and	267	/* I don't think this should really happen - if it does, it indicates and
248	* overflow of diff above. That shoudl only happen if	268	* overflow of diff above. That should only happen if
249	* we are selling objects - in that case, the person just	269	* we are selling objects - in that case, the person just
250	* gets no money.	270	* gets no money.
251	*/	271	*/
252	if((sint64)val<0)	272	if ((sint64) val < 0)
253	val=0;	273	val = 0;
254		274
255	/* Unidentified stuff won't sell for more than 60gp */	275	/* Unidentified stuff won't sell for more than 60gp */
256	if(flag==F_SELL && !QUERY_FLAG(tmp, FLAG_IDENTIFIED) && need_identify(tmp) && !identified) {	276	if (flag == F_SELL && !QUERY_FLAG (tmp, FLAG_IDENTIFIED) && need_identify (tmp) && !identified)
257	val = (val > 600)? 600:val;
258	}
259		277	{
		278	val = (val > 600) ? 600 : val;
		279	}
		280
260	/* if we are in a shop, check how the type of shop should affect the price */	281	/* if we are in a shop, check how the type of shop should affect the price */
261	if (shop && who) {	282	if (shop && who)
		283	{
262	if (flag==F_SELL)	284	if (flag == F_SELL)
263	val= (	285	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) {	286	else if (flag == F_BUY)
270	/*	287	{
		288	/*
271	* when buying, if the item was sold by another player, it is ok to	289	* 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	290	* 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	291	* 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	292	* multiplied by the specialisation ratio, to do the same to the buy
275	* price will not generate extra money. However, the	293	* price will not generate extra money. However, the
276	* same is not true of generated items, these have to /divide/ by the	294	* 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	295	* 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).	296	* 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	297	* 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	298	* value of the items they sell (much like how people sometimes find
281	* antiques in a junk shop in real life).	299	* antiques in a junk shop in real life).
282	*/	300	*/
283	if (QUERY_FLAG(tmp, FLAG_PLAYER_SOLD))	301	if (QUERY_FLAG (tmp, FLAG_PLAYER_SOLD))
284	val= (	302	val = (val * shop_greed (who->map) * shop_specialisation_ratio (tmp, who->map) / shopkeeper_approval (who->map, who));
285	val	303	else
286	* shop_greed(who->map)
287	* shop_specialisation_ratio(tmp, who->map)
288	/ shopkeeper_approval(who->map, who)
289	);
290	else
291	val= (
292	val
293	* shop_greed(who->map)
294	/ (shop_specialisation_ratio(tmp, who->map)*shopkeeper_approval(who->map, who))	304	val = (val * shop_greed (who->map) / (shop_specialisation_ratio (tmp, who->map) * shopkeeper_approval (who->map, who)));
295	);	305	}
296	}	306
297	/* we will also have an extra 0-5% variation between shops of the same type	307	/* 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	308	* for valuable items (below a value of 50 this effect wouldn't be very
299	* pointful, and could give fun with rounding.	309	* pointful, and could give fun with rounding.
300	*/	310	*/
301	if(who->map->path!=NULL && val > 50)	311	//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)));	312	if (val > 50)
		313	val += float (val) * .05f * cosf ((tmp->uuid.seq & 0xffff) * float (M_PI * 2. / 0x10000));
303	}	314	}
		315
304	return (uint64)val;	316	return (sint64) val;
305	}	317	}
306		318
307	/* Find the coin type that is worth more the 'c'. Starts at the	319	/* Find the coin type that is worth more the 'c'. Starts at the
308	* cointype placement.	320	* cointype placement.
309	*/	321	*/
310		322
		323	static archetype *
311	static archetype *find_next_coin(uint64 c, int *cointype) {	324	find_next_coin (sint64 c, int *cointype)
		325	{
312	archetype *coin;	326	archetype *coin;
313		327
314	do {	328	do
		329	{
315	if (coins[*cointype]==NULL) return NULL;	330	if (coins[*cointype] == NULL)
		331	return NULL;
316	coin = find_archetype(coins[*cointype]);	332	coin = archetype::find (coins[*cointype]);
317	if (coin == NULL)	333	if (coin == NULL)
318	return NULL;	334	return NULL;
319	*cointype += 1;	335	*cointype += 1;
		336	}
320	} while (coin->clone.value > c);	337	while (coin->clone.value > c);
321		338
322	return coin;	339	return coin;
323	}	340	}
324		341
325	/* This returns a string of how much something is worth based on	342	/* 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	347	* have so much money that they have more than 2 billion platinum
331	* coins, there are certainly issues - the easiest fix at that	348	* coins, there are certainly issues - the easiest fix at that
332	* time is to add a higher denomination (mithril piece with	349	* time is to add a higher denomination (mithril piece with
333	* 10,000 silver or something)	350	* 10,000 silver or something)
334	*/	351	*/
		352	const char *
335	const char *cost_string_from_value(uint64 cost, int approx)	353	cost_string_from_value (sint64 cost, int approx)
336	{	354	{
337	static char buf[MAX_BUF];	355	static char buf[MAX_BUF];
338	archetype *coin, *next_coin;	356	archetype *coin, *next_coin;
339	int num, cointype = 0;	357	int num, cointype = 0;
340		358
341	coin = find_next_coin(cost, &cointype);	359	coin = find_next_coin (cost, &cointype);
342	if (coin == NULL)	360	if (coin == NULL)
343	return "nothing";	361	return "nothing";
344		362
345	num = cost / coin->clone.value;	363	num = cost / coin->clone.value;
346	/* so long as nrof is 32 bit, this is true.	364	/* so long as nrof is 32 bit, this is true.
347	* If it takes more coins than a person can possibly carry, this	365	* If it takes more coins than a person can possibly carry, this
348	* is basically true.	366	* is basically true.
349	*/	367	*/
350	if ( (cost / coin->clone.value) > UINT32_MAX) {	368	if ((cost / coin->clone.value) > UINT32_MAX)
		369	{
351	strcpy(buf,"an unimaginable sum of money");	370	strcpy (buf, "an unimaginable sum of money");
352	return buf;	371	return buf;
353	}	372	}
354		373
355	cost -= (uint64)num * (uint64)coin->clone.value;	374	cost -= num * (sint64)coin->clone.value;
		375
356	sprintf(buf, "%d %s", num, num > 1 ? coin->clone.name_pl : coin->clone.name);	376	sprintf (buf, "%d %s", num, num > 1 ? &coin->clone.name_pl : &coin->clone.name);
357		377
358	next_coin = find_next_coin(cost, &cointype);	378	next_coin = find_next_coin (cost, &cointype);
359	if (next_coin == NULL || approx)	379	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;	380	return buf;
369	}
370		381
		382	coin = next_coin;
		383	num = cost / coin->clone.value;
		384	cost -= num * (sint64)coin->clone.value;
		385
		386	sprintf (buf + strlen (buf), " and %d %s", num, num > 1 ? &coin->clone.name_pl : &coin->clone.name);
		387
		388	return buf;
		389	}
		390
		391	const char *
371	const char *query_cost_string(const object *tmp,object *who,int flag) {	392	query_cost_string (const object *tmp, object *who, int flag)
		393	{
372	uint64 real_value = query_cost(tmp,who,flag);	394	sint64 real_value = query_cost (tmp, who, flag);
373	int idskill1=0;	395	int idskill1 = 0;
374	int idskill2=0;	396	int idskill2 = 0;
375	const typedata *tmptype;	397	const typedata *tmptype;
376		398
377	tmptype=get_typedata(tmp->type);	399	tmptype = get_typedata (tmp->type);
378	if (tmptype) {	400	if (tmptype)
		401	{
379	idskill1=tmptype->identifyskill;	402	idskill1 = tmptype->identifyskill;
380	idskill2=tmptype->identifyskill2;	403	idskill2 = tmptype->identifyskill2;
381	}	404	}
382		405
383	/* we show an approximate price if	406	/* we show an approximate price if
384	* 1) we are approximating	407	* 1) we are approximating
385	* 2) there either is no id skill(s) for the item, or we don't have them	408	* 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	409	* 3) we don't have bargaining skill either
387	*/	410	*/
388	if (flag & F_APPROX) {	411	if (flag & F_APPROX)
		412	{
389	if (!idskill1 || !find_skill_by_number(who, idskill1)) {	413	if (!idskill1 || !find_skill_by_number (who, idskill1))
		414	{
390	if (!idskill2 || !find_skill_by_number(who, idskill2)) {	415	if (!idskill2 || !find_skill_by_number (who, idskill2))
		416	{
391	if (!find_skill_by_number(who,SK_BARGAINING)) {	417	if (!find_skill_by_number (who, SK_BARGAINING))
		418	{
392	static char buf[MAX_BUF];	419	static char buf[MAX_BUF];
393	int num, cointype = 0;	420	int num, cointype = 0;
394	archetype *coin = find_next_coin(real_value, &cointype);	421	archetype *coin = find_next_coin (real_value, &cointype);
395		422
396	if (coin == NULL) return "nothing";	423	if (coin == NULL)
397		424	return "nothing";
		425
398	num = real_value / coin->clone.value;	426	num = real_value / coin->clone.value;
399	if (num == 1)	427	if (num == 1)
400	sprintf(buf, "about one %s", coin->clone.name);	428	sprintf (buf, "about one %s", &coin->clone.name);
401	else if (num < 5)	429	else if (num < 5)
402	sprintf(buf, "a few %s", coin->clone.name_pl);	430	sprintf (buf, "a few %s", &coin->clone.name_pl);
403	else if (num < 10)	431	else if (num < 10)
404	sprintf(buf, "several %s", coin->clone.name_pl);	432	sprintf (buf, "several %s", &coin->clone.name_pl);
405	else if (num < 25)	433	else if (num < 25)
406	sprintf(buf, "a moderate amount of %s", coin->clone.name_pl);	434	sprintf (buf, "a moderate amount of %s", &coin->clone.name_pl);
407	else if (num < 100)	435	else if (num < 100)
408	sprintf(buf, "lots of %s", coin->clone.name_pl);	436	sprintf (buf, "lots of %s", &coin->clone.name_pl);
409	else if (num < 1000)	437	else if (num < 1000)
410	sprintf(buf, "a great many %s", coin->clone.name_pl);	438	sprintf (buf, "a great many %s", &coin->clone.name_pl);
411	else	439	else
412	sprintf(buf, "a vast quantity of %s", coin->clone.name_pl);	440	sprintf (buf, "a vast quantity of %s", &coin->clone.name_pl);
413	return buf;	441	return buf;
		442	}
		443	}
414	}	444	}
415	}
416	}
417		445
418	int hash = ((unsigned int)tmp->count * 174364621) & 1023;	446	int hash = ((unsigned int) tmp->count * 174364621) & 1023;
419		447
420	if (approx_range)	448	if (approx_range)
421	{	449	{
422	uint64 lo = (sint64)real_value - (approx_range * hash >> 10);	450	sint64 lo = (sint64) real_value - (approx_range * hash >> 10);
423	static char buf[MAX_BUF];	451	static char buf[MAX_BUF];
424		452
425	sprintf (buf, "between %s", cost_string_from_value (lo, 1));	453	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));	454	sprintf (buf + strlen (buf), " and %s", cost_string_from_value (lo + approx_range, 1));
427		455
428	return buf;	456	return buf;
429	}	457	}
430	}	458	}
431		459
432	return cost_string_from_value (real_value, 0);	460	return cost_string_from_value (real_value, 0);
433	}	461	}
434		462
435	/* This function finds out how much money the player is carrying,	463	/* This function finds out how much money the player is carrying,
436	* including what is in containers.	464	* including what is in containers.
437	*/	465	*/
		466	sint64
438	uint64 query_money(const object *op) {	467	query_money (const object *op)
		468	{
439	object *tmp;	469	object *tmp;
440	uint64 total=0;	470	sint64 total = 0;
441		471
442	if (op->type!=PLAYER && op->type!=CONTAINER) {	472	if (op->type != PLAYER && op->type != CONTAINER)
		473	{
443	LOG(llevError, "Query money called with non player/container\n");	474	LOG (llevError, "Query money called with non player/container\n");
444	return 0;	475	return 0;
445	}	476	}
		477
446	for (tmp = op->inv; tmp; tmp= tmp->below) {	478	for (tmp = op->inv; tmp; tmp = tmp->below)
447	if (tmp->type==MONEY) {	479	if (tmp->type == MONEY)
448	total += (uint64)tmp->nrof * (uint64)tmp->value;	480	total += tmp->nrof * (sint64)tmp->value;
449	} else if (tmp->type==CONTAINER &&	481	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);	482	total += query_money (tmp);
453	}	483
454	}
455	return total;	484	return total;
456	}	485	}
		486
457	/* TCHIZE: This function takes the amount of money from the	487	/* TCHIZE: This function takes the amount of money from the
458	* the player inventory and from it's various pouches using the	488	* the player inventory and from it's various pouches using the
459	* pay_from_container function.	489	* pay_from_container function.
460	* returns 0 if not possible. 1 if success	490	* returns 0 if not possible. 1 if success
461	*/	491	*/
		492	int
462	int pay_for_amount(uint64 to_pay,object *pl) {	493	pay_for_amount (sint64 to_pay, object *pl)
		494	{
463	object *pouch;	495	object *pouch;
464		496
465	if (to_pay==0) return 1;	497	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;	498	return 1;
		499
		500	if (to_pay > query_money (pl))
		501	return 0;
		502
		503	pay_from_container (pl, pl, to_pay);
		504
		505	for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
		506	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (pouch->race == NULL || strstr (pouch->race, "gold")))
		507	pay_from_container (pl, pouch, to_pay);
		508
		509	pl->update_stats ();
		510	return 1;
479	}	511	}
480		512
481	/* DAMN: This is now a wrapper for pay_from_container, which is	513	/* 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	514	* 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	515	* money until op is paid for. Change will be left wherever the last
484	* of the price was paid from.	516	* of the price was paid from.
485	*/	517	*/
		518	int
486	int pay_for_item(object *op,object *pl) {	519	pay_for_item (object *op, object *pl)
		520	{
487	uint64 to_pay = query_cost(op,pl,F_BUY | F_SHOP);	521	sint64 to_pay = query_cost (op, pl, F_BUY | F_SHOP);
488	object *pouch;	522	object *pouch;
489	uint64 saved_money;	523	sint64 saved_money;
490		524
491	if (to_pay==0) return 1;	525	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;	526	return 1;
		527
		528	if (to_pay > query_money (pl))
		529	return 0;
		530
		531	/* We compare the paid price with the one for a player
		532	* without bargaining skill.
		533	* This determins the amount of exp (if any) gained for bargaining.
		534	*/
		535	saved_money = query_cost (op, pl, F_BUY | F_NO_BARGAIN | F_SHOP) - to_pay;
		536
		537	if (saved_money > 0)
		538	change_exp (pl, saved_money, "bargaining", SK_EXP_NONE);
		539
		540	pay_from_container (pl, pl, to_pay);
		541
		542	for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
		543	if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (pouch->race == NULL || strstr (pouch->race, "gold")))
		544	pay_from_container (pl, pouch, to_pay);
		545
		546	pl->update_stats ();
		547
		548	return 1;
516	}	549	}
517		550
518	/* This pays for the item, and takes the proper amount of money off	551	/* This pays for the item, and takes the proper amount of money off
519	* the player.	552	* the player.
520	* CF 0.91.4 - this function is mostly redone in order to fix a bug	553	* CF 0.91.4 - this function is mostly redone in order to fix a bug
…		…
527	*	560	*
528	* pouch is the container (pouch or player) to remove the coins from.	561	* pouch is the container (pouch or player) to remove the coins from.
529	* to_pay is the required amount.	562	* to_pay is the required amount.
530	* returns the amount still missing after using "pouch".	563	* returns the amount still missing after using "pouch".
531	*/	564	*/
		565	static void
532	static uint64 pay_from_container(object *pl, object *pouch, uint64 to_pay) {	566	pay_from_container (object *pl, object *pouch, sint64 &to_pay)
		567	{
533	int count, i;	568	int count, i;
534	sint64 remain;	569	object *tmp, *next;
535	object *tmp, *coin_objs[NUM_COINS], *next;
536	archetype *at;	570	archetype *at;
537		571
538	if (pouch->type != PLAYER && pouch->type != CONTAINER) return to_pay;	572	if (pouch->type != PLAYER && pouch->type != CONTAINER)
		573	return;
539		574
540	remain = to_pay;	575	object *coin_objs[NUM_COINS] = { 0 };
541	for (i=0; i<NUM_COINS; i++) coin_objs[i] = NULL;
542		576
543	/* This hunk should remove all the money objects from the player/container */	577	/* This hunk should remove all the money objects from the player/container */
544	for (tmp=pouch->inv; tmp; tmp=next) {	578	for (tmp = pouch->inv; tmp; tmp = next)
		579	{
545	next = tmp->below;	580	next = tmp->below;
546		581
547	if (tmp->type == MONEY) {	582	if (tmp->type == MONEY)
		583	{
548	for (i=0; i<NUM_COINS; i++) {	584	for (i = 0; i < NUM_COINS; i++)
549	if (!strcmp(coins[NUM_COINS-1-i], tmp->arch->name) &&	585	{
550	(tmp->value == tmp->arch->clone.value) ) {	586	if (tmp->value == tmp->arch->clone.value && !strcmp (coins[NUM_COINS - 1 - i], tmp->arch->name))
		587	{
		588	// This should not happen, but if it does, just merge the two.
		589	if (coin_objs [i])
		590	{
		591	LOG (llevError, "%s has two money entries of (%s)\n", &pouch->name, coins[NUM_COINS - 1 - i]);
		592	tmp->remove ();
		593	coin_objs[i]->nrof += tmp->nrof;
		594	esrv_del_item (pl->contr, tmp->count);
		595	tmp->destroy ();
		596	}
		597	else
		598	{
		599	tmp->remove ();
551		600
552	/* This should not happen, but if it does, just *	601	if (pouch->type == PLAYER)
553	* merge the two. */	602	esrv_del_item (pl->contr, tmp->count);
554	if (coin_objs[i]!=NULL) {	603
555	LOG(llevError,"%s has two money entries of (%s)\n",	604	coin_objs[i] = tmp;
556	pouch->name, coins[NUM_COINS-1-i]);	605	}
557	remove_ob(tmp);	606
558	coin_objs[i]->nrof += tmp->nrof;	607	break;
559	esrv_del_item(pl->contr, tmp->count);	608	}
560	free_object(tmp);	609	}
561	}	610
562	else {
563	remove_ob(tmp);
564	if(pouch->type==PLAYER) esrv_del_item(pl->contr, tmp->count);
565	coin_objs[i] = tmp;
566	}
567	break;
568	}
569	}
570	if (i==NUM_COINS)	611	if (i == NUM_COINS)
571	LOG(llevError,"in pay_for_item: Did not find string match for %s\n", tmp->arch->name);	612	LOG (llevError, "in pay_for_item: Did not find string match for %s\n", &tmp->arch->name);
572	}	613	}
573	}	614	}
574		615
575	/* Fill in any gaps in the coin_objs array - needed to make change. */	616	/* 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 */	617	/* Note that the coin_objs array goes from least value to greatest value */
577	for (i=0; i<NUM_COINS; i++)	618	for (i = 0; i < NUM_COINS; i++)
578	if (coin_objs[i]==NULL) {	619	if (!coin_objs[i])
		620	{
579	at = find_archetype(coins[NUM_COINS-1-i]);	621	at = archetype::find (coins[NUM_COINS - 1 - i]);
		622
		623	if (at == NULL)
580	if (at==NULL) LOG(llevError, "Could not find %s archetype\n", coins[NUM_COINS-1-i]);	624	LOG (llevError, "Could not find %s archetype\n", coins[NUM_COINS - 1 - i]);
		625
581	coin_objs[i] = arch_to_object (at);	626	coin_objs[i] = arch_to_object (at);
582	coin_objs[i]->nrof = 0;	627	coin_objs[i]->nrof = 0;
583	}	628	}
584		629
585	for (i=0; i<NUM_COINS; i++) {	630	for (i = 0; i < NUM_COINS; i++)
586	int num_coins;	631	{
		632	object &coin = *coin_objs[i];
		633	sint64 num_coins = min ((to_pay + coin.value - 1) / coin.value, coin.nrof);
		634	to_pay -= num_coins * coin.value;
587		635
588	if (coin_objs[i]->nrof*coin_objs[i]->value> remain) {	636	coin.nrof -= num_coins;
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;
596	/* Now start making change. Start at the coin value	637	/* Now start making change. Start at the coin value
597	* below the one we just did, and work down to	638	* below the one we just did, and work down to
598	* the lowest value.	639	* the lowest value.
599	*/	640	*/
600	count=i-1;	641	count = i - 1;
601	while (remain<0 && count>=0) {	642
		643	while (to_pay < 0 && count >= 0)
		644	{
602	num_coins = -remain/ coin_objs[count]->value;	645	num_coins = (-to_pay) / coin_objs[count]->value;
603	coin_objs[count]->nrof += num_coins;	646	coin_objs[count]->nrof += num_coins;
604	remain += num_coins * coin_objs[count]->value;	647	to_pay += num_coins * coin_objs[count]->value;
605	count--;	648	count--;
606	}	649	}
607	}	650	}
		651
608	for (i=0; i<NUM_COINS; i++) {	652	for (i = 0; i < NUM_COINS; i++)
		653	{
609	if (coin_objs[i]->nrof) {	654	if (coin_objs[i]->nrof)
		655	{
610	object *tmp = insert_ob_in_ob(coin_objs[i], pouch);	656	object *tmp = insert_ob_in_ob (coin_objs[i], pouch);
611		657
612	esrv_send_item(pl, tmp);	658	esrv_send_item (pl, tmp);
613	esrv_send_item (pl, pouch);	659	esrv_send_item (pl, pouch);
614	if (pl != pouch) esrv_update_item (UPD_WEIGHT, pl, pouch);	660
		661	if (pl != pouch)
		662	esrv_update_item (UPD_WEIGHT, pl, pouch);
		663
615	if (pl->type != PLAYER) {	664	if (pl->type != PLAYER)
616	esrv_send_item (pl, pl);	665	esrv_send_item (pl, pl);
		666	}
		667	else
		668	coin_objs[i]->destroy ();
617	}	669	}
618	} else {
619	free_object(coin_objs[i]);
620	}
621	}
622	return(remain);
623	}	670	}
624		671
625	/* Checks all unpaid items in op's inventory, adds up all the money they	672	/* 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.	673	* 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	674	* Returns 1 if they can, and 0 if they can't. also prints an appropriate message
628	* to the player	675	* to the player
629	*/	676	*/
630		677	int
631	int can_pay(object *pl) {	678	can_pay (object *pl)
		679	{
632	int unpaid_count = 0, i;	680	int unpaid_count = 0;
633	uint64 unpaid_price = 0;	681	sint64 unpaid_price = 0;
634	uint64 player_wealth = query_money(pl);	682	sint64 player_wealth = query_money (pl);
635	object *item;	683
636	uint32 coincount[NUM_COINS];
637	if (!pl || pl->type != PLAYER) {	684	if (!pl || pl->type != PLAYER)
		685	{
638	LOG(llevError, "can_pay(): called against something that isn't a player\n");	686	LOG (llevError, "can_pay(): called against something that isn't a player\n");
639	return 0;	687	return 0;
640	}	688	}
641	for (i=0; i< NUM_COINS; i++) coincount[i] = 0;	689
642	for (item = pl->inv;item;) {	690	for (object::depth_iterator item = pl->begin (); item != pl->end (); ++item)
643	if QUERY_FLAG(item, FLAG_UNPAID) {	691	if (QUERY_FLAG (item, FLAG_UNPAID))
		692	{
644	unpaid_count++;	693	unpaid_count++;
645	unpaid_price += query_cost(item, pl, F_BUY | F_SHOP);	694	unpaid_price += query_cost (item, pl, F_BUY | F_SHOP);
646	}
647	/* merely converting the player's monetary wealth won't do, if we did that,
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	}	695	}
		696
658	if (unpaid_price > player_wealth) {	697	if (unpaid_price > player_wealth)
659	char buf[MAX_BUF], coinbuf[MAX_BUF];	698	{
660	int denominations = 0;	699	char buf[MAX_BUF];
661	int has_coins = NUM_COINS;
662	char cost[MAX_BUF];	700	char cost[MAX_BUF];
663	char missing[MAX_BUF];	701	char missing[MAX_BUF];
664		702
665	sprintf(cost, "%s", cost_string_from_value (unpaid_price, 0));	703	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));	704	snprintf (missing, MAX_BUF, "%s", cost_string_from_value (unpaid_price - player_wealth, 0));
667		705
668	sprintf(buf, "You have %d unpaid items that would cost you %s. You need another %s to be able to afford that.",	706	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);	707	unpaid_count, cost, missing);
670	new_draw_info(NDI_UNIQUE, 0, pl, buf);	708	new_draw_info (NDI_UNIQUE, 0, pl, buf);
671	return 0;	709
		710	return 0;
672	}	711	}
		712	else
673	else return 1;	713	return 1;
674	}	714	}
675
676		715
677	/* Better get_payment, descends containers looking for	716	/* Better get_payment, descends containers looking for
678	* unpaid items, and pays for them.	717	* unpaid items, and pays for them.
679	* returns 0 if the player still has unpaid items.	718	* returns 0 if the player still has unpaid items.
680	* returns 1 if the player has paid for everything.	719	* returns 1 if the player has paid for everything.
681	* pl is the player buying the stuff.	720	* 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	*/	721	*/
686	int get_payment(object *pl, object *op) {	722	int
		723	get_payment (object *pl)
		724	{
		725	for (;;)
		726	{
		727	next_item:
		728
		729	for (object::depth_iterator op = pl->begin (); op != pl->end (); ++op)
		730	{
		731	if (QUERY_FLAG (op, FLAG_UNPAID))
		732	{
687	char buf[MAX_BUF];	733	char buf[MAX_BUF];
688	int ret=1;	734	snprintf (buf, MAX_BUF, "%s", query_cost_string (op, pl, F_BUY | F_SHOP));
689		735
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)) {	736	if (!pay_for_item (op, pl))
		737	{
706	uint64 i=query_cost(op,pl,F_BUY | F_SHOP) - query_money(pl);	738	sint64 i = query_cost (op, pl, F_BUY | F_SHOP) - query_money (pl);
		739
707	CLEAR_FLAG(op, FLAG_UNPAID);	740	CLEAR_FLAG (op, FLAG_UNPAID);
708	new_draw_info_format(NDI_UNIQUE, 0, pl,	741	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);	742	SET_FLAG (op, FLAG_UNPAID);
712	return 0;	743	return 0;
		744	}
713	} else {	745	else
714	object *tmp;	746	{
715	tag_t c = op->count;	747	object *tmp;
716		748
717	CLEAR_FLAG(op, FLAG_UNPAID);	749	CLEAR_FLAG (op, FLAG_UNPAID);
718	CLEAR_FLAG(op, FLAG_PLAYER_SOLD);	750	CLEAR_FLAG (op, FLAG_PLAYER_SOLD);
719	new_draw_info_format(NDI_UNIQUE, 0, op,	751	new_draw_info_format (NDI_UNIQUE, 0, op, "You paid %s for %s.", buf, query_name (op));
720	"You paid %s for %s.",buf,query_name(op));	752	tmp = merge_ob (op, NULL);
721	tmp=merge_ob(op,NULL);	753
722	if (pl->type == PLAYER) {	754	if (pl->type == PLAYER)
723	if (tmp) { /* it was merged */	755	{
724	esrv_del_item (pl->contr, c);	756	if (tmp)
725	op = tmp;	757	{ /* it was merged */
726	}	758	esrv_del_item (pl->contr, op->count);
		759	op = tmp;
		760	}
		761
727	esrv_send_item(pl, op);	762	esrv_send_item (pl, op);
728	}	763	}
729	}	764
730	}	765	goto next_item;
		766	}
		767	}
		768	}
		769
731	return 1;	770	return 1;
		771	}
732	}	772	}
733		773
734	/* written by elmex:	774	/* written by elmex:
735	* moved this code from sell_item () here to have a function	775	* moved this code from sell_item () here to have a function
736	* that pays the player an amount. Mainly put the code here to	776	* 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	780	* 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	781	* 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.	782	* go somewhere and unload the money at a safe place.
743	*	783	*
744	*/	784	*/
		785	void
745	void pay_player (object *pl, uint64 amount) {	786	pay_player (object *pl, sint64 amount)
		787	{
746	int count = 0;	788	int count = 0;
747	archetype *at = 0;	789	archetype *at = 0;
748	object *pouch = 0, *tmp = 0;	790	object *pouch = 0, *tmp = 0;
749		791
750	for (count = 0; coins[count] != NULL; count++)	792	for (count = 0; coins[count] != NULL; count++)
751	{	793	{
752	at = find_archetype (coins[count]);	794	at = archetype::find (coins[count]);
753		795
754	if (at == NULL)	796	if (at == NULL)
755	LOG(llevError, "Could not find %s archetype\n", coins[count]);	797	LOG (llevError, "Could not find %s archetype\n", coins[count]);
756	else if ((amount / at->clone.value) > 0)	798	else if ((amount / at->clone.value) > 0)
757	{	799	{
758	for (pouch=pl->inv; pouch; pouch=pouch->below)	800	for (pouch = pl->inv; pouch; pouch = pouch->below)
759	{	801	{
760	if (pouch->type == CONTAINER	802	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	{	803	{
765	int w = at->clone.weight * (100 - pouch->stats.Str) / 100;	804	int w = at->clone.weight * (100 - pouch->stats.Str) / 100;
766	int n = amount / at->clone.value;	805	int n = amount / at->clone.value;
767		806
768	if (w == 0)	807	if (w == 0)
769	w = 1; /* Prevent divide by zero */	808	w = 1; /* Prevent divide by zero */
770		809
771	if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit))	810	if (n > 0 && (!pouch->weight_limit || pouch->carrying + w <= pouch->weight_limit))
772	{	811	{
773	if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n)	812	if (pouch->weight_limit && (pouch->weight_limit - pouch->carrying) / w < n)
774	n = (pouch->weight_limit - pouch->carrying) / w;	813	n = (pouch->weight_limit - pouch->carrying) / w;
775		814
776	tmp = arch_to_object (at);	815	tmp = arch_to_object (at);
777	tmp->nrof = n;	816	tmp->nrof = n;
778	amount -= (uint64)tmp->nrof * (uint64)tmp->value;	817	amount -= tmp->nrof * tmp->value;
779	tmp = insert_ob_in_ob (tmp, pouch);	818	tmp = insert_ob_in_ob (tmp, pouch);
780	esrv_send_item (pl, tmp);	819	esrv_send_item (pl, tmp);
781	esrv_send_item (pl, pouch);	820	esrv_send_item (pl, pouch);
782	esrv_update_item (UPD_WEIGHT, pl, pouch);	821	esrv_update_item (UPD_WEIGHT, pl, pouch);
783	esrv_send_item (pl, pl);	822	esrv_send_item (pl, pl);
…		…
787		826
788	if (amount / at->clone.value > 0)	827	if (amount / at->clone.value > 0)
789	{	828	{
790	tmp = arch_to_object (at);	829	tmp = arch_to_object (at);
791	tmp->nrof = amount / tmp->value;	830	tmp->nrof = amount / tmp->value;
792	amount -= (uint64)tmp->nrof * (uint64)tmp->value;	831	amount -= tmp->nrof * tmp->value;
793	tmp = insert_ob_in_ob (tmp, pl);	832	tmp = insert_ob_in_ob (tmp, pl);
794	esrv_send_item (pl, tmp);	833	esrv_send_item (pl, tmp);
795	esrv_send_item (pl, pl);	834	esrv_send_item (pl, pl);
796	}	835	}
797	}	836	}
798	}	837	}
799		838
800	if (amount != 0)	839	if (amount != 0)
801	#ifndef WIN32
802	LOG (llevError,"Warning - payment in pay_player () not zero: %llu\n", amount);	840	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	}	841	}
807		842
808	/* elmex: this is for the bank plugin :( */	843	/* elmex: this is for the bank plugin :( */
		844	sint64
809	uint64 pay_player_arch (object *pl, const char *arch, uint64 amount) {	845	pay_player_arch (object *pl, const char *arch, sint64 amount)
		846	{
810	archetype *at = find_archetype (arch);	847	archetype *at = archetype::find (arch);
811	object *tmp = NULL;	848	object *tmp = NULL;
812		849
813	if (at == NULL)	850	if (at == NULL)
814	return 0;	851	return 0;
815		852
…		…
830	* buy item.	867	* buy item.
831	*	868	*
832	* Modified to fill available race: gold containers before dumping	869	* Modified to fill available race: gold containers before dumping
833	* remaining coins in character's inventory.	870	* remaining coins in character's inventory.
834	*/	871	*/
		872	void
835	void sell_item(object *op, object *pl) {	873	sell_item (object *op, object *pl)
		874	{
836	uint64 amount = query_cost (op,pl,F_SELL | F_SHOP), extra_gain;	875	sint64 amount = query_cost (op, pl, F_SELL | F_SHOP), extra_gain;
837		876
838	if(pl==NULL || pl->type != PLAYER)	877	if (pl == NULL || pl->type != PLAYER)
839	{	878	{
840	LOG(llevDebug,"Object other than player tried to sell something.\n");	879	LOG (llevDebug, "Object other than player tried to sell something.\n");
841	return;	880	return;
842	}	881	}
843		882
844	if(op->custom_name)	883	op->custom_name = 0;
845	FREE_AND_CLEAR_STR (op->custom_name);
846		884
847	if(!amount)	885	if (!amount)
848	{	886	{
849	new_draw_info_format (NDI_UNIQUE, 0, pl,	887	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		888
852	/* Even if the character doesn't get anything for it, it may still be	889	/* Even if the character doesn't get anything for it, it may still be
853	* worth something. If so, make it unpaid	890	* worth something. If so, make it unpaid
854	*/	891	*/
855	if (op->value)	892	if (op->value)
856	{	893	{
857	SET_FLAG(op, FLAG_UNPAID);	894	SET_FLAG (op, FLAG_UNPAID);
858	SET_FLAG(op, FLAG_PLAYER_SOLD);	895	SET_FLAG (op, FLAG_PLAYER_SOLD);
859	}	896	}
860		897
861	identify (op);	898	identify (op);
862	return;	899	return;
863	}	900	}
…		…
868	* exp/10 -> 1 for each gold coin	905	* exp/10 -> 1 for each gold coin
869	*/	906	*/
870	extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP);	907	extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP);
871		908
872	if (extra_gain > 0)	909	if (extra_gain > 0)
873	change_exp(pl, extra_gain / 10, "bargaining", SK_EXP_NONE);	910	change_exp (pl, extra_gain / 10, "bargaining", SK_EXP_NONE);
874		911
875	pay_player (pl, amount);	912	pay_player (pl, amount);
876		913
877	new_draw_info_format (NDI_UNIQUE, 0, pl,	914	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),
879	query_name (op));
880		915
881	SET_FLAG (op, FLAG_UNPAID);	916	SET_FLAG (op, FLAG_UNPAID);
882	identify (op);	917	identify (op);
883	}	918	}
884		919
…		…
886	/* returns a double that is the ratio of the price that a shop will offer for	921	/* 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,	922	* 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	923	* returned value is between (2*SPECIALISATION_EFFECT-1) and 1 and in any
889	* event is never less than 0.1 (calling functions divide by it)	924	* event is never less than 0.1 (calling functions divide by it)
890	*/	925	*/
		926	static double
891	static double shop_specialisation_ratio(const object *item, const mapstruct *map) {	927	shop_specialisation_ratio (const object *item, const maptile *map)
		928	{
892	shopitems *items=map->shopitems;	929	shopitems *items = map->shopitems;
893	double ratio = SPECIALISATION_EFFECT, likedness=0.001;	930	double ratio = SPECIALISATION_EFFECT, likedness = 0.001;
894	int i;	931	int i;
895		932
896	if (item==NULL) {	933	if (item == NULL)
		934	{
897	LOG(llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", map->path);	935	LOG (llevError, "shop_specialisation_ratio: passed a NULL item for map %s\n", &map->path);
898	return 0;	936	return 0;
899	}	937	}
		938
900	if (!item->type) {	939	if (!item->type)
		940	{
901	LOG(llevError, "shop_specialisation_ratio: passed an item with an invalid type\n");	941	LOG (llevError, "shop_specialisation_ratio: passed an item with an invalid type\n");
902	/*	942	/*
903	* I'm not really sure what the /right/ thing to do here is, these types of	943	* 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.."	944	* item shouldn't exist anyway, but returning the ratio is probably the best bet.."
905	*/	945	*/
906	return ratio;	946	return ratio;
907	}	947	}
		948
908	if (map->shopitems) {	949	if (map->shopitems)
		950	{
909	for (i=0; i<items[0].index; i++)	951	for (i = 0; i < items[0].index; i++)
910	if (items[i].typenum==item->type || (!items[i].typenum && likedness == 0.001))	952	if (items[i].typenum == item->type || (!items[i].typenum && likedness == 0.001))
911	likedness = items[i].strength/100.0;	953	likedness = items[i].strength / 100.0;
912	}	954	}
913	if (likedness > 1.0) { /* someone has been rather silly with the map headers. */	955
		956	if (likedness > 1.0)
		957	{ /* 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",	958	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;	959	likedness = 1.0;
917	}	960	}
		961
918	if (likedness < -1.0) {	962	if (likedness < -1.0)
		963	{
919	LOG(llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n",	964	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;	965	likedness = -1.0;
922	}	966	}
		967
923	ratio = ratio + (1.0-ratio) * likedness;	968	ratio = ratio + (1.0 - ratio) * likedness;
924	if (ratio <= 0.1) ratio=0.1; /* if the ratio were much lower than this, we would get silly prices */	969
		970	if (ratio <= 0.1)
		971	ratio = 0.1; /* if the ratio were much lower than this, we would get silly prices */
		972
925	return ratio;	973	return ratio;
926	}	974	}
927		975
928	/*returns the greed of the shop on map, or 1 if it isn't specified. */	976	/*returns the greed of the shop on map, or 1 if it isn't specified. */
929	static double shop_greed(const mapstruct *map) {	977	static double
		978	shop_greed (const maptile *map)
		979	{
930	double greed=1.0;	980	double greed = 1.0;
		981
931	if (map->shopgreed)	982	if (map->shopgreed)
932	return map->shopgreed;	983	return map->shopgreed;
933	return greed;	984	return greed;
934	}	985	}
935		986
936	/* Returns a double based on how much the shopkeeper approves of the player.	987	/* 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.	988	* this is based on the race of the shopkeeper and that of the player.
938	*/	989	*/
		990	double
939	double shopkeeper_approval(const mapstruct *map, const object *player) {	991	shopkeeper_approval (const maptile *map, const object *player)
		992	{
940	double approval=1.0;	993	double approval = 1.0;
941		994
942	if (map->shoprace) {	995	if (map->shoprace)
		996	{
943	approval=NEUTRAL_RATIO;	997	approval = NEUTRAL_RATIO;
944	if (player->race && !strcmp(player->race, map->shoprace)) approval = 1.0;	998	if (player->race && !strcmp (player->race, map->shoprace))
		999	approval = 1.0;
945	}	1000	}
		1001
946	return approval;	1002	return approval;
947	}	1003	}
948		1004
949	/* limit the value of items based on the wealth of the shop. If the item is close	1005	/* 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	1006	* 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	1007	* 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	1008	* want it and offer nothing. If it isn't a shop, check whether we should do generic
953	* value reduction.	1009	* value reduction.
954	*	1010	*
955	*/	1011	*/
		1012	static sint64
956	static uint64 value_limit (uint64 val, int quantity, const object *who, int isshop) {	1013	value_limit (sint64 val, int quantity, const object *who, int isshop)
		1014	{
957	uint64 newval, unit_price, tmpshopmax;	1015	sint64 newval, unit_price, tmpshopmax;
958	mapstruct *map;	1016	maptile *map;
959		1017
960	unit_price = val / quantity;	1018	unit_price = val / quantity;
961		1019
962	if (!isshop || !who)	1020	if (!isshop || !who)
963	{	1021	{
964	if (unit_price > 250000)	1022	if (unit_price > 250000)
965	newval = (uint64) (250000. - pow (250000., .75) * 65. + pow (unit_price, .75) * 65.);	1023	newval = (sint64) (250000. - pow (250000., .75) * 65. + pow (unit_price, .75) * 65.);
966	else	1024	else
967	newval = unit_price;	1025	newval = unit_price;
968	}	1026	}
969	else	1027	else
970	{	1028	{
971	if (!who->map)	1029	if (!who->map)
972	{	1030	{
973	LOG(llevError, "value_limit: asked shop price for ob %s on NULL map\n", who->name);	1031	LOG (llevError, "value_limit: asked shop price for ob %s on NULL map\n", &who->name);
974	return val;	1032	return val;
975	}	1033	}
976		1034
977	map = who->map;	1035	map = who->map;
978		1036
979	tmpshopmax = map->shopmax ? map->shopmax : 100000; // 20 royalties default	1037	tmpshopmax = map->shopmax ? map->shopmax : 100000; // 20 royalties default
980		1038
981	if (map->shopmin && unit_price < map->shopmin)	1039	if (map->shopmin && unit_price < map->shopmin)
982	return 0;	1040	return 0;
983	else if (unit_price > tmpshopmax / 2)	1041	else if (unit_price > tmpshopmax / 2)
984	newval = MIN ((tmpshopmax / 2) + isqrt (unit_price - tmpshopmax / 2), tmpshopmax);	1042	newval = MIN ((tmpshopmax / 2) + isqrt (unit_price - tmpshopmax / 2), tmpshopmax);
985	else	1043	else
986	newval=unit_price;	1044	newval = unit_price;
987	}	1045	}
988		1046
989	newval *= quantity;	1047	newval *= quantity;
990		1048
991	return newval;	1049	return newval;
992	}	1050	}
993		1051
994	/* gives a desciption of the shop on their current map to the player op. */	1052	/* gives a desciption of the shop on their current map to the player op. */
		1053	int
995	int describe_shop(const object *op) {	1054	describe_shop (const object *op)
		1055	{
996	mapstruct *map = op->map;	1056	maptile *map = op->map;
		1057
997	/*shopitems *items=map->shopitems;*/	1058	/*shopitems *items=map->shopitems; */
998	int pos=0, i;	1059	int pos = 0, i;
999	double opinion=0;	1060	double opinion = 0;
1000	char tmp[MAX_BUF]="\0";	1061	char tmp[MAX_BUF] = "\0";
		1062
1001	if (op->type != PLAYER) return 0;	1063	if (op->type != PLAYER)
		1064	return 0;
1002		1065
1003	/*check if there is a shop specified for this map */	1066	/*check if there is a shop specified for this map */
1004	if (map->shopitems || map->shopgreed || map->shoprace || map->shopmin || map->shopmax) {	1067	if (map->shopitems || map->shopgreed || map->shoprace || map->shopmin || map->shopmax)
		1068	{
1005	new_draw_info(NDI_UNIQUE,0,op,"From looking at the nearby shop you determine that it trades in:");	1069	new_draw_info (NDI_UNIQUE, 0, op, "From looking at the nearby shop you determine that it trades in:");
		1070
1006	if (map->shopitems) {	1071	if (map->shopitems)
1007	for (i=0; i < map->shopitems[0].index; i++) {	1072	for (i = 0; i < map->shopitems[0].index; i++)
1008	if (map->shopitems[i].name && map->shopitems[i].strength > 10) {	1073	if (map->shopitems[i].name && map->shopitems[i].strength > 10)
		1074	{
1009	snprintf(tmp+pos, sizeof(tmp)-pos, "%s, ", map->shopitems[i].name_pl);	1075	snprintf (tmp + pos, sizeof (tmp) - pos, "%s, ", map->shopitems[i].name_pl);
1010	pos += strlen(tmp+pos);	1076	pos += strlen (tmp + pos);
1011	}	1077	}
1012	}	1078
1013	}	1079	if (!pos)
1014	if (!pos) strcat(tmp, "a little of everything.");	1080	strcat (tmp, "a little of everything.");
1015		1081
1016	/* format the string into a list */	1082	/* format the string into a list */
1017	make_list_like(tmp);	1083	make_list_like (tmp);
1018	new_draw_info_format(NDI_UNIQUE, 0, op, "%s", tmp);	1084	new_draw_info_format (NDI_UNIQUE, 0, op, "%s", tmp);
1019		1085
1020	if (map->shopmax)	1086	if (map->shopmax)
1021	new_draw_info_format(NDI_UNIQUE,0,op,"It won't trade for items above %s.",	1087	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));	1088
1023	if (map->shopmin)	1089	if (map->shopmin)
1024	new_draw_info_format(NDI_UNIQUE,0,op,"It won't trade in items worth less than %s.",	1090	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));	1091
1026	if (map->shopgreed) {	1092	if (map->shopgreed)
		1093	{
1027	if (map->shopgreed >2.0)	1094	if (map->shopgreed > 2.0)
1028	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge massively.");	1095	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge massively.");
1029	else if (map->shopgreed >1.5)	1096	else if (map->shopgreed > 1.5)
1030	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge substantially.");	1097	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge substantially.");
1031	else if (map->shopgreed >1.1)	1098	else if (map->shopgreed > 1.1)
1032	new_draw_info(NDI_UNIQUE,0,op,"It tends to overcharge slightly.");	1099	new_draw_info (NDI_UNIQUE, 0, op, "It tends to overcharge slightly.");
1033	else if (map->shopgreed <0.9)	1100	else if (map->shopgreed < 0.9)
1034	new_draw_info(NDI_UNIQUE,0,op,"It tends to undercharge.");	1101	new_draw_info (NDI_UNIQUE, 0, op, "It tends to undercharge.");
1035	}	1102	}
		1103
1036	if (map->shoprace) {	1104	if (map->shoprace)
		1105	{
1037	opinion=shopkeeper_approval(map, op);	1106	opinion = shopkeeper_approval (map, op);
1038	if (opinion > 0.8)	1107	if (opinion > 0.8)
1039	new_draw_info(NDI_UNIQUE,0,op,"You think the shopkeeper likes you.");	1108	new_draw_info (NDI_UNIQUE, 0, op, "You think the shopkeeper likes you.");
1040	else if (opinion > 0.5)	1109	else if (opinion > 0.5)
1041	new_draw_info(NDI_UNIQUE,0,op,"The shopkeeper seems unconcerned by you.");	1110	new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper seems unconcerned by you.");
1042	else	1111	else
1043	new_draw_info(NDI_UNIQUE,0,op,"The shopkeeper seems to have taken a dislike to you.");	1112	new_draw_info (NDI_UNIQUE, 0, op, "The shopkeeper seems to have taken a dislike to you.");
1044	}	1113	}
1045	}	1114	}
		1115	else
1046	else new_draw_info(NDI_UNIQUE,0,op,"There is no shop nearby.");	1116	new_draw_info (NDI_UNIQUE, 0, op, "There is no shop nearby.");
1047		1117
1048	return 1;	1118	return 1;
1049	}	1119	}
1050	typedef struct shopinv {	1120
		1121	struct shopinv
		1122	{
1051	char *item_sort;	1123	char *item_sort;
1052	char *item_real;	1124	char *item_real;
1053	uint16 type;	1125	uint16 type;
1054	uint32 nrof;	1126	uint32 nrof;
1055	} shopinv;	1127	};
1056		1128
1057	/* There are a lot fo extra casts in here just to suppress warnings - it	1129	/* There are a lot fo extra casts in here just to suppress warnings - it
1058	* makes it look uglier than it really it.	1130	* makes it look uglier than it really it.
1059	* The format of the strings we get is type:name. So we first want to	1131	* 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.	1132	* sort by type (numerical) - if the same type, then sort by name.
1061	*/	1133	*/
		1134	static int
1062	static int shop_sort(const void *a1, const void *a2)	1135	shop_sort (const void *a1, const void *a2)
1063	{	1136	{
1064	shopinv *s1 = (shopinv*)a1, *s2= (shopinv*)a2;	1137	shopinv *s1 = (shopinv *) a1, *s2 = (shopinv *) a2;
1065		1138
1066	if (s1->type<s2->type) return -1;	1139	if (s1->type < s2->type)
		1140	return -1;
1067	if (s1->type>s2->type) return 1;	1141	if (s1->type > s2->type)
		1142	return 1;
		1143
1068	/* the type is the same (what atoi gets), so do a strcasecmp to sort	1144	/* the type is the same (what atoi gets), so do a strcasecmp to sort
1069	* via alphabetical order	1145	* via alphabetical order
1070	*/	1146	*/
1071	return strcasecmp(s1->item_sort, s2->item_sort);	1147	return strcasecmp (s1->item_sort, s2->item_sort);
1072	}	1148	}
1073		1149
		1150	static void
1074	static void add_shop_item(object *tmp, shopinv *items, int *numitems, int *numallocated)	1151	add_shop_item (object *tmp, shopinv * items, int *numitems, int *numallocated)
1075	{	1152	{
1076	#if 0	1153	#if 0
1077	char buf[MAX_BUF];	1154	char buf[MAX_BUF];
1078	#endif	1155	#endif
1079	/* clear unpaid flag so that doesn't come up in query	1156	/* clear unpaid flag so that doesn't come up in query
1080	* string. We clear nrof so that we can better sort	1157	* string. We clear nrof so that we can better sort
1081	* the object names.	1158	* the object names.
1082	*/	1159	*/
1083		1160
1084	CLEAR_FLAG(tmp, FLAG_UNPAID);	1161	CLEAR_FLAG (tmp, FLAG_UNPAID);
1085	items[*numitems].nrof=tmp->nrof;	1162	items[*numitems].nrof = tmp->nrof;
1086	/* Non mergable items have nrof of 0, but count them as one	1163	/* Non mergable items have nrof of 0, but count them as one
1087	* so the display is properly.	1164	* so the display is properly.
1088	*/	1165	*/
1089	if (tmp->nrof == 0) items[*numitems].nrof++;	1166	if (tmp->nrof == 0)
		1167	items[*numitems].nrof++;
1090	items[*numitems].type=tmp->type;	1168	items[*numitems].type = tmp->type;
1091		1169
1092	switch (tmp->type) {	1170	switch (tmp->type)
		1171	{
1093	#if 0	1172	#if 0
1094	case BOOTS:	1173	case BOOTS:
1095	case GLOVES:	1174	case GLOVES:
1096	case RING:	1175	case RING:
1097	case AMULET:	1176	case AMULET:
1098	case BRACERS:	1177	case BRACERS:
1099	case GIRDLE:	1178	case GIRDLE:
1100	sprintf(buf,"%s %s",query_base_name(tmp,0),describe_item(tmp, NULL));	1179	sprintf (buf, "%s %s", query_base_name (tmp, 0), describe_item (tmp, NULL));
1101	items[*numitems].item_sort = strdup_local(buf);	1180	items[*numitems].item_sort = strdup (buf);
1102	sprintf(buf,"%s %s",query_name(tmp),describe_item(tmp, NULL));	1181	sprintf (buf, "%s %s", query_name (tmp), describe_item (tmp, NULL));
1103	items[*numitems].item_real = strdup_local(buf);	1182	items[*numitems].item_real = strdup (buf);
1104	(*numitems)++;	1183	(*numitems)++;
1105	break;	1184	break;
1106	#endif	1185	#endif
1107		1186
1108	default:	1187	default:
1109	items[*numitems].item_sort = strdup_local(query_base_name(tmp, 0));	1188	items[*numitems].item_sort = strdup (query_base_name (tmp, 0));
1110	items[*numitems].item_real = strdup_local(query_base_name(tmp, 1));	1189	items[*numitems].item_real = strdup (query_base_name (tmp, 1));
1111	(*numitems)++;	1190	(*numitems)++;
1112	break;	1191	break;
1113	}	1192	}
1114	SET_FLAG(tmp, FLAG_UNPAID);	1193	SET_FLAG (tmp, FLAG_UNPAID);
1115	}	1194	}
1116		1195
1117	void shop_listing(object *op)	1196	void
		1197	shop_listing (object *sign, object *op)
1118	{	1198	{
1119	int i,j,numitems=0,numallocated=0, nx, ny;	1199	int i, j, numitems = 0, numallocated = 0, x1, x2, y1, y2;
1120	char *map_mark = (char *) calloc(MAGIC_MAP_SIZE * MAGIC_MAP_SIZE,1);	1200	const char *shop_coords = get_ob_key_value (sign, "shop_coords");
1121	object *stack;	1201	object *stack;
1122	shopinv *items;	1202	shopinv *items;
1123		1203
1124	/* Should never happen, but just in case a monster does apply a sign */	1204	/* Should never happen, but just in case a monster does apply a sign */
1125	if (op->type!=PLAYER) return;	1205	if (op->type != PLAYER)
		1206	return;
1126		1207
		1208	if (!(shop_coords && sscanf (shop_coords, "%d,%d,%d,%d", &x1, &y1, &x2, &y2)))
		1209	{
		1210	x1 = 0;
		1211	y1 = 0;
		1212	x2 = op->map->width - 1;
		1213	y2 = op->map->height - 1;
		1214	}
		1215
		1216	items = (shopinv *) malloc (40 * sizeof (shopinv));
		1217	numallocated = 40;
		1218
		1219	/* Find all the appropriate items */
		1220	for (i = x1; i <= x2; i++)
		1221	{
		1222	for (j = y1; j < y2; j++)
		1223	{
		1224	if (is_in_shop (op->map, i, j))
		1225	{
		1226	stack = GET_MAP_OB (op->map, i, j);
		1227
		1228	while (stack)
		1229	{
		1230	if (QUERY_FLAG (stack, FLAG_UNPAID))
		1231	{
		1232	if (numitems == numallocated)
		1233	{
		1234	items = (shopinv *) realloc (items, sizeof (shopinv) * (numallocated + 10));
		1235	numallocated += 10;
		1236	}
		1237
		1238	add_shop_item (stack, items, &numitems, &numallocated);
		1239	}
		1240
		1241	stack = stack->above;
		1242	}
		1243	}
		1244	}
		1245	}
		1246
		1247	if (numitems == 0)
		1248	{
		1249	new_draw_info (NDI_UNIQUE, 0, op, "The shop is currently empty.\n");
		1250	free (items);
		1251	return;
		1252	}
		1253
		1254	qsort (items, numitems, sizeof (shopinv), (int (*)(const void *, const void *)) shop_sort);
		1255
1127	new_draw_info(NDI_UNIQUE, 0, op, "\nThe shop contains:");	1256	new_draw_info (NDI_UNIQUE, 0, op, "\nThe shop contains:");
1128		1257
1129	magic_mapping_mark(op, map_mark, 3);
1130	items=(shopinv*)malloc(40*sizeof(shopinv));
1131	numallocated=40;
1132
1133	/* Find all the appropriate items */
1134	for (i=0; i<MAP_WIDTH(op->map); i++) {
1135	for (j=0; j<MAP_HEIGHT(op->map); j++) {
1136	/* magic map code now centers the map on the object at MAGIC_MAP_HALF.
1137	*
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);
1146
1147	while (stack) {
1148	if (QUERY_FLAG(stack, FLAG_UNPAID)) {
1149	if (numitems==numallocated) {
1150	items=(shopinv*)realloc(items, sizeof(shopinv)*(numallocated+10));
1151	numallocated+=10;
1152	}
1153	add_shop_item(stack, items, &numitems, &numallocated);
1154	}
1155	stack = stack->above;
1156	}
1157	}
1158	}
1159	}
1160	free(map_mark);
1161	if (numitems == 0) {
1162	new_draw_info(NDI_UNIQUE, 0, op, "The shop is currently empty.\n");
1163	free(items);
1164	return;
1165	}
1166	qsort(items, numitems, sizeof(shopinv), (int (*)(const void*, const void*))shop_sort);
1167
1168	for (i=0; i<numitems; i++) {	1258	for (i = 0; i < numitems; i++)
		1259	{
1169	/* Collapse items of the same name together */	1260	/* Collapse items of the same name together */
1170	if ((i+1)<numitems && !strcmp(items[i].item_real, items[i+1].item_real)) {	1261	if ((i + 1) < numitems && !strcmp (items[i].item_real, items[i + 1].item_real))
		1262	{
1171	items[i+1].nrof += items[i].nrof;	1263	items[i + 1].nrof += items[i].nrof;
1172	free(items[i].item_sort);	1264	free (items[i].item_sort);
1173	free(items[i].item_real);	1265	free (items[i].item_real);
1174	} else {	1266	}
		1267	else
		1268	{
1175	new_draw_info_format(NDI_UNIQUE, 0, op, "%d %s",	1269	new_draw_info_format (NDI_UNIQUE, 0, op, "%d %s",
1176	items[i].nrof? items[i].nrof:1,	1270	items[i].nrof ? items[i].nrof : 1, items[i].nrof == 1 ? items[i].item_sort : items[i].item_real);
1177	items[i].nrof==1?items[i].item_sort: items[i].item_real);
1178	free(items[i].item_sort);	1271	free (items[i].item_sort);
1179	free(items[i].item_real);	1272	free (items[i].item_real);
1180	}	1273	}
1181	}	1274	}
		1275
1182	free(items);	1276	free (items);
1183	}	1277	}
		1278
		1279	/* elmex: this function checks whether the object is in a shop */
		1280	bool
		1281	is_in_shop (object *o)
		1282	{
		1283	if (!o->map)
		1284	return false;
		1285
		1286	return is_in_shop (o->map, o->x, o->y);
		1287	}
		1288
		1289	/* elmex: this function checks whether we are in a shop or not */
		1290	bool
		1291	is_in_shop (maptile *map, int x, int y)
		1292	{
		1293	for (object *floor = GET_MAP_OB (map, x, y); floor; floor = floor->above)
		1294	if (floor->type == SHOP_FLOOR)
		1295	return true;
		1296
		1297	return false;
		1298	}

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