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Comparing deliantra/server/server/shop.C (file contents):
Revision 1.76 by root, Fri Mar 26 01:04:45 2010 UTC vs.
Revision 1.94 by root, Sun Jan 29 02:47:06 2017 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the 9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the Affero GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * and the GNU General Public License along with this program. If not, see 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24 24
25#include <global.h> 25#include <global.h>
26#include <spells.h> 26#include <spells.h>
… …
29#include <sproto.h> 29#include <sproto.h>
30 30
31/* 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
32 * 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
33 * 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
34 * therefore making this number higher, makes specialisation less effective. 34 * therefore making this number higher, makes specialisation less effective.
35 * 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,
36 * (though not useful) effects. 36 * (though not useful) effects.
37 */ 37 */
38#define SPECIALISATION_EFFECT .5 38#define SPECIALISATION_EFFECT .5
39 39
… …
55 * would not be done. 55 * would not be done.
56 * 56 *
57 * Added F_APPROX flag, which means that the price returned should be wrong by 57 * Added F_APPROX flag, which means that the price returned should be wrong by
58 * an amount related to the player's bargaining skill. 58 * an amount related to the player's bargaining skill.
59 * 59 *
60 * Added F_SHOP flag to mean that the specialisation of the shop on the player's 60 * Added F_SHOP flag to mean that the specialisation of the shop on the player's
61 * current map should be taken into account when determining the price. Shops that 61 * current map should be taken into account when determining the price. Shops that
62 * specialise in what is being traded will give better prices than those that do not. 62 * specialise in what is being traded will give better prices than those that do not.
63 * 63 *
64 * CF 0.91.4 - This function got changed around a bit. Now the 64 * CF 0.91.4 - This function got changed around a bit. Now the
65 * number of object is multiplied by the value early on. This fixes problems 65 * number of object is multiplied by the value early on. This fixes problems
66 * with items worth very little. What happened before is that various 66 * with items worth very little. What happened before is that various
67 * divisions took place, the value got rounded to 0 (Being an int), and 67 * divisions took place, the value got rounded to 0 (Being an int), and
… …
79 int no_bargain; 79 int no_bargain;
80 int identified; 80 int identified;
81 int not_cursed; 81 int not_cursed;
82 int approximate; 82 int approximate;
83 int shop; 83 int shop;
84 double diff;
85 84
86 approx_range = 0; 85 approx_range = 0;
87 86
88 no_bargain = flag & F_NO_BARGAIN; 87 no_bargain = flag & F_NO_BARGAIN;
89 identified = flag & F_IDENTIFIED; 88 identified = flag & F_IDENTIFIED;
90 not_cursed = flag & F_NOT_CURSED; 89 not_cursed = flag & F_NOT_CURSED;
91 approximate = flag & F_APPROX; 90 approximate = flag & F_APPROX;
92 shop = flag & F_SHOP; 91 shop = flag & F_SHOP;
93 flag &= ~(F_NO_BARGAIN | F_IDENTIFIED | F_NOT_CURSED | F_APPROX | F_SHOP); 92 flag &= ~(F_NO_BARGAIN | F_IDENTIFIED | F_NOT_CURSED | F_APPROX | F_SHOP);
94 93
94 int number = tmp->number_of ();
95
95 if (tmp->type == MONEY) 96 if (tmp->type == MONEY)
96 return tmp->nrof * tmp->value; 97 return number * tmp->value;
97 98
98 if (tmp->type == GEM) 99 if (tmp->type == GEM)
99 { 100 {
100 if (flag == F_TRUE) 101 if (flag == F_TRUE)
101 return (tmp->nrof * tmp->value); 102 return number * tmp->value;
102 103
103 if (flag == F_BUY) 104 if (flag == F_BUY)
104 return (sint64) (1.03 * tmp->nrof * tmp->value); 105 return 1.03 * number * tmp->value;
105 106
106 if (flag == F_SELL) 107 if (flag == F_SELL)
107 return (sint64) (0.97 * tmp->nrof * tmp->value); 108 return 0.97 * number * tmp->value;
108 109
109 LOG (llevError, "Query_cost: Gem type with unknown flag %d: %s\n", flag, tmp->debug_desc ()); 110 LOG (llevError, "Query_cost: Gem type with unknown flag %d: %s\n", flag, tmp->debug_desc ());
110 return 0; 111 return 0;
111 } 112 }
112 113
113 int number = tmp->number_of ();
114
115 if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified) 114 if (tmp->flag [FLAG_IDENTIFIED] || !tmp->need_identify () || identified)
116 { 115 {
117 if (!not_cursed && (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))) 116 if (!not_cursed && (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED]))
118 return 0; 117 return 0;
119 else 118 else
120 val = tmp->value * number; 119 val = number * tmp->value;
121 } 120 }
122 /* This area deals with objects that are not identified, but can be */ 121 /* This area deals with objects that are not identified, but can be */
123 else 122 else
124 { 123 {
125 if (flag == F_BUY) 124 if (flag == F_BUY)
… …
134 else 133 else
135 { 134 {
136 /* Get 2/3'rd value for applied objects, 1/3'rd for totally 135 /* Get 2/3'rd value for applied objects, 1/3'rd for totally
137 * unknown objects 136 * unknown objects
138 */ 137 */
139 if (QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) 138 if (tmp->flag [FLAG_BEEN_APPLIED])
140 val = number * tmp->arch->value * 2 / 3; 139 val = number * tmp->arch->value * 2 / 3;
141 else 140 else
142 val = number * tmp->arch->value / 3; 141 val = number * tmp->arch->value / 3;
143 } 142 }
144 } 143 }
145 } 144 }
146 145
147 /* If the item has been applied or identifed or does not need to be 146 /* If the item has been applied or identifed or does not need to be
… …
151 * tmp->arch->magic for any magic. The check for archetype 150 * tmp->arch->magic for any magic. The check for archetype
152 * magic is to not give extra money for archetypes that are by 151 * magic is to not give extra money for archetypes that are by
153 * default magical. This is because the archetype value should have 152 * default magical. This is because the archetype value should have
154 * already figured in that value. 153 * already figured in that value.
155 */ 154 */
156 if ((QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified || 155 if ((tmp->flag [FLAG_IDENTIFIED] || !tmp->need_identify () || identified || tmp->flag [FLAG_BEEN_APPLIED])
157 QUERY_FLAG (tmp, FLAG_BEEN_APPLIED)) && tmp->magic && (tmp->arch == NULL || !tmp->arch->magic)) 156 && tmp->magic && (!tmp->arch || !tmp->arch->magic))
158 { 157 {
159 if (tmp->magic > 0) 158 if (tmp->magic > 0)
160 val *= (3 * tmp->magic * tmp->magic * tmp->magic); 159 val *= 3 * tmp->magic * tmp->magic * tmp->magic;
161 else 160 else
162 /* Note that tmp->magic is negative, so that this 161 /* Note that tmp->magic is negative, so that this
163 * will actually be something like val /=2, /=3, etc. 162 * will actually be something like val /=2, /=3, etc.
164 */ 163 */
165 val /= (1 - tmp->magic); 164 val /= 1 - tmp->magic;
166 } 165 }
167 166
168 if (tmp->type == WAND) 167 if (tmp->type == WAND)
169 { 168 {
170 /* Value of the wand is multiplied by the number of 169 /* Value of the wand is multiplied by the number of
171 * charges. the treasure code already sets up the value 170 * charges. the treasure code already sets up the value
172 * 50 charges is used as the baseline. 171 * 50 charges is used as the baseline.
173 */ 172 */
174 if (QUERY_FLAG (tmp, FLAG_IDENTIFIED) || !need_identify (tmp) || identified) 173 if (tmp->flag [FLAG_IDENTIFIED] || !tmp->need_identify () || identified)
175 val = (val * tmp->stats.food) / 50; 174 val *= tmp->stats.food;
176 else /* if not identified, presume one charge */ 175 /* if not identified, presume one charge */
177 val /= 50; 176 val /= 50;
178 } 177 }
179 178
180 /* Limit amount of money you can get for really great items. */ 179 /* Limit amount of money you can get for really great items. */
181 if (flag == F_SELL) 180 if (flag == F_SELL)
182 val = value_limit ((sint64) val, number, who, shop); 181 val = value_limit (val, number, who, shop);
183 182
184 // use a nonlinear price adjustment. as my predecessor said, don't change 183 // use a nonlinear price adjustment. as my predecessor said, don't change
185 // the archetypes, its work required for balancing, and we don't care. 184 // the archetypes, its work required for balancing, and we don't care.
186 //val = pow (val, 1.05); 185 //val = pow (val, 1.05);
187 186
… …
190 * AND Cha = 30 will get optimal price. 189 * AND Cha = 30 will get optimal price.
191 * Thus charisma will never get useless. 190 * Thus charisma will never get useless.
192 * -b.e. edler@heydernet.de 191 * -b.e. edler@heydernet.de
193 */ 192 */
194 193
195 if (who && who->type == PLAYER) 194 if (who && who->is_player ())
196 { 195 {
197 int lev_bargain = 0; 196 int lev_bargain = 0;
198 int lev_identify = 0; 197 int lev_identify = 0;
199 198
200 if (find_skill_by_number (who, SK_BARGAINING)) 199 if (!no_bargain)
201 lev_bargain = find_skill_by_number (who, SK_BARGAINING)->level; 200 if (object *skill = find_skill_by_name (who, shstr_bargaining))
201 lev_bargain = skill->level;
202 202
203 if (const typedata *tmptype = get_typedata (tmp->type)) 203 if (const typedata *tmptype = get_typedata (tmp->type))
204 { 204 {
205 if (int idskill1 = tmptype->identifyskill) 205 if (int idskill1 = tmptype->identifyskill)
206 { 206 {
… …
217 /* ratio determines how much of the price modification 217 /* ratio determines how much of the price modification
218 * will come from the basic stat charisma 218 * will come from the basic stat charisma
219 * the rest will come from the level in bargaining skill 219 * the rest will come from the level in bargaining skill
220 */ 220 */
221 const double cha_ratio = 0.40; 221 const double cha_ratio = 0.40;
222 222 double bargaining = max (0., 1. - powf (double (lev_bargain) / MAXLEVEL_TREASURE, 0.25));
223 diff = no_bargain ? 1.0 : 1. - pow (lev_bargain / (double) settings.max_level, 0.25);
224 diff = (1. - cha_ratio) * diff + cha_ratio * (cha_bonus[who->stats.Cha] - 1.) / (cha_bonus[who->stats.Cha] + 1.); 223 double charisma = (cha_bonus[who->stats.Cha] - 1.) / (cha_bonus[who->stats.Cha] + 1.);
225 diff = .02 + (.80 - .02) * diff; 224
225 double factor = (1. - cha_ratio) * bargaining + cha_ratio * charisma;
226
227 // scale 0..1 to 2 .. 80%
228 factor = lerp (factor, 0., 1., 0.02, 0.80);
226 229
227 if (flag == F_BUY) 230 if (flag == F_BUY)
228 val += val * diff; 231 val += val * factor;
229 else if (flag == F_SELL) 232 else if (flag == F_SELL)
230 val -= val * diff; 233 val -= val * factor;
231 234
232 // now find a price range. the less good we can judge, the larger the range is 235 // now find a price range. the less good we can judge, the larger the range is
233 // then the range is adjusted randomly around the correct value 236 // then the range is adjusted randomly around the correct value
234 if (approximate) 237 if (approximate)
235 approx_range = sint64 (val / sqrt (lev_identify * 3 + 1)); 238 approx_range = val / sqrt (lev_identify * 3 + 1);
236 } 239 }
237 240
238 /* I don't think this should really happen - if it does, it indicates and 241 /* I don't think this should really happen - if it does, it indicates and
239 * overflow of diff above. That should only happen if 242 * overflow of diff above. That should only happen if
240 * we are selling objects - in that case, the person just 243 * we are selling objects - in that case, the person just
241 * gets no money. 244 * gets no money.
242 */ 245 */
243 if ((sint64) val < 0) 246 if ((sint64) val < 0)
244 val = 0; 247 val = 0;
245 248
246 /* Unidentified stuff won't sell for more than 60gp */ 249 /* Unidentified stuff won't sell for more than 10gp */
247 if (flag == F_SELL && !QUERY_FLAG (tmp, FLAG_IDENTIFIED) && need_identify (tmp) && !identified) 250 if (flag == F_SELL && !tmp->flag [FLAG_IDENTIFIED] && tmp->need_identify () && !identified)
248 { 251 min_it (val, 1000);
249 val = (val > 600) ? 600 : val;
250 }
251 252
252 /* if we are in a shop, check how the type of shop should affect the price */ 253 /* if we are in a shop, check how the type of shop should affect the price */
253 if (shop && who) 254 if (shop && who)
254 { 255 {
255 if (flag == F_SELL) 256 if (flag == F_SELL)
256 val = (val * shop_specialisation_ratio (tmp, who->map) * shopkeeper_approval (who->map, who) / shop_greed (who->map)); 257 val *= shop_specialisation_ratio (tmp, who->map) * shopkeeper_approval (who->map, who) / shop_greed (who->map);
257 else if (flag == F_BUY) 258 else if (flag == F_BUY)
258 { 259 {
259 /* 260 /*
260 * when buying, if the item was sold by another player, it is ok to 261 * when buying, if the item was sold by another player, it is ok to
261 * let the item be sold cheaper, according to the specialisation of 262 * let the item be sold cheaper, according to the specialisation of
262 * the shop. If a player sold an item here, then his sale price was 263 * the shop. If a player sold an item here, then his sale price was
263 * multiplied by the specialisation ratio, to do the same to the buy 264 * multiplied by the specialisation ratio, to do the same to the buy
264 * price will not generate extra money. However, the 265 * price will not generate extra money. However, the
265 * same is not true of generated items, these have to /divide/ by the 266 * same is not true of generated items, these have to /divide/ by the
266 * specialisation, so that the price is never less than what they could 267 * specialisation, so that the price is never less than what they could
267 * be sold for (otherwise players could camp map resets to make money). 268 * be sold for (otherwise players could camp map resets to make money).
268 * In game terms, a non-specialist shop, might not recognise the true 269 * In game terms, a non-specialist shop, might not recognise the true
269 * value of the items they sell (much like how people sometimes find 270 * value of the items they sell (much like how people sometimes find
270 * antiques in a junk shop in real life). 271 * antiques in a junk shop in real life).
271 */ 272 */
272 if (QUERY_FLAG (tmp, FLAG_PLAYER_SOLD)) 273 if (tmp->flag [FLAG_PLAYER_SOLD])
273 val = (val * shop_greed (who->map) * shop_specialisation_ratio (tmp, who->map) / shopkeeper_approval (who->map, who)); 274 val *= shop_specialisation_ratio (tmp, who->map);
274 else 275 else
275 val = (val * shop_greed (who->map) / (shop_specialisation_ratio (tmp, who->map) * shopkeeper_approval (who->map, who))); 276 val /= shop_specialisation_ratio (tmp, who->map);
276 }
277 277
278 val *= shop_greed (who->map) / shopkeeper_approval (who->map, who);
279 }
280
278 /* we will also have an extra 0-5% variation between shops of the same type 281 /* we will also have an extra 0-5% variation between shops of the same type
279 * for valuable items (below a value of 50 this effect wouldn't be very 282 * for valuable items (below a value of 50 this effect wouldn't be very
280 * pointful, and could give fun with rounding. 283 * pointful, and could give fun with rounding.
281 */ 284 */
282 //TODO: why use cosf at all, just % and scale linearly, gives more even distribution 285 //TODO: why use cosf at all, just % and scale linearly, gives more even distribution
283 if (val > 50) 286 if (val > 50)
284 val += float (val) * .05f * cosf ((tmp->uuid.seq & 0xffff) * float (M_PI * 2. / 0x10000)); 287 val *= 1 + .05f * cosf ((tmp->uuid.seq & 0xffff) * M_PI * 2. / 0x10000);
285 } 288 }
286 289
287 return (sint64) val; 290 return val;
288} 291}
289 292
290/* Find the coin type that is worth more the 'c'. Starts at the 293/* Find the coin type that is worth more the 'c'. Starts at the
291 * cointype placement. 294 * cointype placement.
292 */ 295 */
… …
296{ 299{
297 archetype *coin; 300 archetype *coin;
298 301
299 do 302 do
300 { 303 {
301 if (coins[*cointype] == NULL) 304 if (!coins [*cointype])
302 return NULL; 305 return 0;
306
303 coin = archetype::find (coins[*cointype]); 307 coin = archetype::find (coins [*cointype]);
308
304 if (coin == NULL) 309 if (!coin)
305 return NULL; 310 return 0;
311
306 *cointype += 1; 312 *cointype += 1;
307 } 313 }
308 while (coin->value > c); 314 while (coin->value > c);
309 315
310 return coin; 316 return coin;
… …
321 * 10,000 silver or something) 327 * 10,000 silver or something)
322 */ 328 */
323const char * 329const char *
324cost_string_from_value (sint64 cost, int approx) 330cost_string_from_value (sint64 cost, int approx)
325{ 331{
326 static char buf[MAX_BUF];
327 archetype *coin, *next_coin; 332 archetype *coin, *next_coin;
328 int num, cointype = 0; 333 int num, cointype = 0;
329 334
330 coin = find_next_coin (cost, &cointype); 335 coin = find_next_coin (cost, &cointype);
331 if (coin == NULL) 336 if (!coin)
332 return "nothing"; 337 return "nothing";
333 338
334 num = cost / coin->value; 339 num = cost / coin->value;
335 /* so long as nrof is 32 bit, this is true. 340 /* so long as nrof is 32 bit, this is true.
336 * If it takes more coins than a person can possibly carry, this 341 * If it takes more coins than a person can possibly carry, this
337 * is basically true. 342 * is basically true.
338 */ 343 */
339 if ((cost / coin->value) > UINT32_MAX) 344 if (cost / coin->value > UINT32_MAX)
340 {
341 strcpy (buf, "an unimaginable sum of money"); 345 return "an unimaginable sum of money";
342 return buf;
343 }
344 346
345 cost -= num * (sint64)coin->value; 347 cost -= num * (sint64)coin->value;
346 348
347 sprintf (buf, "%d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name); 349 char *buf = format ("%d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name);
348 350
349 next_coin = find_next_coin (cost, &cointype); 351 next_coin = find_next_coin (cost, &cointype);
350 if (next_coin == NULL || approx) 352 if (!next_coin || approx)
351 return buf; 353 return buf;
352 354
353 coin = next_coin; 355 coin = next_coin;
354 num = cost / coin->value; 356 num = cost / coin->value;
355 cost -= num * (sint64)coin->value; 357 cost -= num * (sint64)coin->value;
356 358
357 sprintf (buf + strlen (buf), " and %d %s", num, num > 1 ? &coin->object::name_pl : &coin->object::name); 359 return format ("%s and %d %s", buf, num, num > 1 ? &coin->object::name_pl : &coin->object::name);
358
359 return buf;
360} 360}
361 361
362const char * 362const char *
363query_cost_string (const object *tmp, object *who, int flag) 363query_cost_string (const object *tmp, object *who, int flag)
364{ 364{
… …
383 { 383 {
384 if (!idskill1 || !find_skill_by_number (who, idskill1)) 384 if (!idskill1 || !find_skill_by_number (who, idskill1))
385 { 385 {
386 if (!idskill2 || !find_skill_by_number (who, idskill2)) 386 if (!idskill2 || !find_skill_by_number (who, idskill2))
387 { 387 {
388 if (!find_skill_by_number (who, SK_BARGAINING)) 388 if (!find_skill_by_name (who, shstr_bargaining))
389 { 389 {
390 static char buf[MAX_BUF];
391 int num, cointype = 0; 390 int num, cointype = 0;
392 archetype *coin = find_next_coin (real_value, &cointype); 391 archetype *coin = find_next_coin (real_value, &cointype);
393 392
394 if (coin == NULL) 393 if (!coin)
395 return "nothing"; 394 return "nothing";
396 395
397 num = real_value / coin->value; 396 num = real_value / coin->value;
398 397
399 if (num == 1) 398 if (num == 1)
400 sprintf (buf, "about one %s", &coin->object::name); 399 return format ("about one %s", &coin->object::name);
401 else if (num < 5) 400 else if (num < 5)
402 sprintf (buf, "a few %s", &coin->object::name_pl); 401 return format ("a few %s", &coin->object::name_pl);
403 else if (num < 10) 402 else if (num < 10)
404 sprintf (buf, "several %s", &coin->object::name_pl); 403 return format ("several %s", &coin->object::name_pl);
405 else if (num < 25) 404 else if (num < 25)
406 sprintf (buf, "a moderate amount of %s", &coin->object::name_pl); 405 return format ("a moderate amount of %s", &coin->object::name_pl);
407 else if (num < 100) 406 else if (num < 100)
408 sprintf (buf, "lots of %s", &coin->object::name_pl); 407 return format ("lots of %s", &coin->object::name_pl);
409 else if (num < 1000) 408 else if (num < 1000)
410 sprintf (buf, "a great many %s", &coin->object::name_pl); 409 return format ("a great many %s", &coin->object::name_pl);
411 else 410 else
412 sprintf (buf, "a vast quantity of %s", &coin->object::name_pl); 411 return format ("a vast quantity of %s", &coin->object::name_pl);
413
414 return buf;
415 } 412 }
416 } 413 }
417 } 414 }
418 415
419 int hash = ((unsigned int) tmp->count * 174364621) & 1023;
420
421 if (approx_range) 416 if (approx_range)
422 { 417 {
418 int hash = tmp->random_seed () & 1023;
423 sint64 lo = (sint64) real_value - (approx_range * hash >> 10); 419 sint64 lo = real_value - (approx_range * hash >> 10);
424 static char buf[MAX_BUF];
425 420
426 sprintf (buf, "between %s", cost_string_from_value (lo, 1)); 421 return format ("between %s and %s",
427 sprintf (buf + strlen (buf), " and %s", cost_string_from_value (lo + approx_range, 1)); 422 cost_string_from_value (lo, 1),
428 423 cost_string_from_value (lo + approx_range, 1));
429 return buf;
430 } 424 }
431 } 425 }
432 426
433 return cost_string_from_value (real_value, 0); 427 return cost_string_from_value (real_value, 0);
434} 428}
… …
449 } 443 }
450 444
451 for (tmp = op->inv; tmp; tmp = tmp->below) 445 for (tmp = op->inv; tmp; tmp = tmp->below)
452 if (tmp->type == MONEY) 446 if (tmp->type == MONEY)
453 total += tmp->nrof * (sint64)tmp->value; 447 total += tmp->nrof * (sint64)tmp->value;
454 else if (tmp->type == CONTAINER && QUERY_FLAG (tmp, FLAG_APPLIED) && (!tmp->race || tmp->race.contains ("gold"))) 448 else if (tmp->type == CONTAINER && tmp->flag [FLAG_APPLIED] && (!tmp->race || tmp->race.contains (shstr_gold)))
455 total += query_money (tmp); 449 total += query_money (tmp);
456 450
457 return total; 451 return total;
458} 452}
459 453
… …
474 return 0; 468 return 0;
475 469
476 pay_from_container (pl, pl, to_pay); 470 pay_from_container (pl, pl, to_pay);
477 471
478 for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below) 472 for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
479 if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (!pouch->race || pouch->race.contains ("gold"))) 473 if (pouch->type == CONTAINER && pouch->flag [FLAG_APPLIED] && (!pouch->race || pouch->race.contains (shstr_gold)))
480 pay_from_container (pl, pouch, to_pay); 474 pay_from_container (pl, pouch, to_pay);
481 475
482 pl->update_stats (); 476 pl->update_stats ();
483 return 1; 477 return 1;
484} 478}
… …
506 * This determins the amount of exp (if any) gained for bargaining. 500 * This determins the amount of exp (if any) gained for bargaining.
507 */ 501 */
508 saved_money = query_cost (op, pl, F_BUY | F_NO_BARGAIN | F_SHOP) - to_pay; 502 saved_money = query_cost (op, pl, F_BUY | F_NO_BARGAIN | F_SHOP) - to_pay;
509 503
510 if (saved_money > 0) 504 if (saved_money > 0)
511 change_exp (pl, saved_money, "bargaining", SK_EXP_NONE); 505 change_exp (pl, saved_money, shstr_bargaining, SK_EXP_NONE);
512 506
513 pay_from_container (pl, pl, to_pay); 507 pay_from_container (pl, pl, to_pay);
514 508
515 for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below) 509 for (pouch = pl->inv; pouch && to_pay; pouch = pouch->below)
516 if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && (!pouch->race || pouch->race.contains ("gold"))) 510 if (pouch->type == CONTAINER && pouch->flag [FLAG_APPLIED] && (!pouch->race || pouch->race.contains (shstr_gold)))
517 pay_from_container (pl, pouch, to_pay); 511 pay_from_container (pl, pouch, to_pay);
518 512
519 pl->update_stats (); 513 pl->update_stats ();
520 514
521 return 1; 515 return 1;
… …
623 coin_objs[i]->destroy (); 617 coin_objs[i]->destroy ();
624} 618}
625 619
626/* Checks all unpaid items in op's inventory, adds up all the money they 620/* Checks all unpaid items in op's inventory, adds up all the money they
627 * have, and checks that they can actually afford what they want to buy. 621 * have, and checks that they can actually afford what they want to buy.
628 * Returns 1 if they can, and 0 if they can't. also prints an appropriate message 622 * Returns 1 if they can, and 0 if they can't. also prints an appropriate message
629 * to the player 623 * to the player
630 */ 624 */
631int 625int
632can_pay (object *pl) 626can_pay (object *pl)
633{ 627{
… …
640 LOG (llevError, "can_pay(): called against something that isn't a player\n"); 634 LOG (llevError, "can_pay(): called against something that isn't a player\n");
641 return 0; 635 return 0;
642 } 636 }
643 637
644 for (object::depth_iterator item = pl->begin (); item != pl->end (); ++item) 638 for (object::depth_iterator item = pl->begin (); item != pl->end (); ++item)
645 if (QUERY_FLAG (item, FLAG_UNPAID)) 639 if (item->flag [FLAG_UNPAID])
646 { 640 {
647 unpaid_count++; 641 unpaid_count++;
648 unpaid_price += query_cost (item, pl, F_BUY | F_SHOP); 642 unpaid_price += query_cost (item, pl, F_BUY | F_SHOP);
649 } 643 }
650 644
… …
679 { 673 {
680 next_item: 674 next_item:
681 675
682 for (object::depth_iterator op = pl->begin (); op != pl->end (); ++op) 676 for (object::depth_iterator op = pl->begin (); op != pl->end (); ++op)
683 { 677 {
684 if (QUERY_FLAG (op, FLAG_UNPAID)) 678 if (op->flag [FLAG_UNPAID])
685 { 679 {
686 char buf[MAX_BUF];
687 snprintf (buf, MAX_BUF, "%s", query_cost_string (op, pl, F_BUY | F_SHOP)); 680 const char *buf = query_cost_string (op, pl, F_BUY | F_SHOP);
688 681
689 if (!pay_for_item (op, pl)) 682 if (!pay_for_item (op, pl))
690 { 683 {
691 sint64 i = query_cost (op, pl, F_BUY | F_SHOP) - query_money (pl); 684 sint64 i = query_cost (op, pl, F_BUY | F_SHOP) - query_money (pl);
692 685
693 CLEAR_FLAG (op, FLAG_UNPAID); 686 op->clr_flag (FLAG_UNPAID);
694 new_draw_info_format (NDI_UNIQUE, 0, pl, "You lack %s to buy %s.", cost_string_from_value (i, 0), query_name (op)); 687 new_draw_info_format (NDI_UNIQUE, 0, pl, "You lack %s to buy %s.", cost_string_from_value (i, 0), query_name (op));
695 SET_FLAG (op, FLAG_UNPAID); 688 op->set_flag (FLAG_UNPAID);
696 return 0; 689 return 0;
697 } 690 }
698 else 691 else
699 { 692 {
700 CLEAR_FLAG (op, FLAG_UNPAID); 693 op->clr_flag (FLAG_UNPAID);
701 CLEAR_FLAG (op, FLAG_PLAYER_SOLD); 694 op->clr_flag (FLAG_PLAYER_SOLD);
702 new_draw_info_format (NDI_UNIQUE, 0, op, "You paid %s for %s.", buf, query_name (op)); 695 new_draw_info_format (NDI_UNIQUE, 0, pl, "You paid %s for %s.", buf, query_name (op));
703 696
704 if (!merge_ob (op, op->env->inv)) 697 if (!merge_ob (op, op->env->inv))
705 esrv_update_item (UPD_FLAGS, pl, op); 698 esrv_update_item (UPD_FLAGS, pl, op);
706 699
707 goto next_item; 700 goto next_item;
… …
727void 720void
728pay_player (object *pl, sint64 amount) 721pay_player (object *pl, sint64 amount)
729{ 722{
730 int count = 0; 723 int count = 0;
731 archetype *at = 0; 724 archetype *at = 0;
732 object *pouch = 0, *tmp = 0; 725 object *pouch = 0;
733 726
734 for (count = 0; coins[count]; count++) 727 for (count = 0; coins[count]; count++)
735 { 728 {
736 at = archetype::find (coins[count]); 729 at = archetype::find (coins[count]);
737 730
… …
739 LOG (llevError, "Could not find %s archetype\n", coins[count]); 732 LOG (llevError, "Could not find %s archetype\n", coins[count]);
740 else if ((amount / at->value) > 0) 733 else if ((amount / at->value) > 0)
741 { 734 {
742 for (pouch = pl->inv; pouch; pouch = pouch->below) 735 for (pouch = pl->inv; pouch; pouch = pouch->below)
743 { 736 {
744 if (pouch->type == CONTAINER && QUERY_FLAG (pouch, FLAG_APPLIED) && pouch->race.contains ("gold")) 737 if (pouch->type == CONTAINER && pouch->flag [FLAG_APPLIED] && pouch->race.contains (shstr_gold))
745 { 738 {
746 int w = at->weight * (100 - pouch->stats.Str) / 100; 739 int w = at->weight * (100 - pouch->stats.Str) / 100;
747 int n = amount / at->value; 740 int n = amount / at->value;
748 741
749 if (w == 0) 742 if (w == 0)
… …
829 * exp/10 -> 1 for each gold coin 822 * exp/10 -> 1 for each gold coin
830 */ 823 */
831 extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP); 824 extra_gain = amount - query_cost (op, pl, F_SELL | F_NO_BARGAIN | F_SHOP);
832 825
833 if (extra_gain > 0) 826 if (extra_gain > 0)
834 change_exp (pl, extra_gain / 10, "bargaining", SK_EXP_NONE); 827 change_exp (pl, extra_gain / 10, shstr_bargaining, SK_EXP_NONE);
835 828
836 pay_player (pl, amount); 829 pay_player (pl, amount);
837 830
838 new_draw_info_format (NDI_UNIQUE, 0, pl, "You receive %s for %s.", 831 new_draw_info_format (NDI_UNIQUE, 0, pl, "You receive %s for %s.",
839 query_cost_string (op, pl, F_SELL | F_SHOP), query_name (op)); 832 query_cost_string (op, pl, F_SELL | F_SHOP), query_name (op));
840 pl->play_sound (sound_find ("shop_sell")); 833 pl->play_sound (sound_find ("shop_sell"));
841 834
842 SET_FLAG (op, FLAG_UNPAID); 835 op->set_flag (FLAG_UNPAID);
843 identify (op); 836 identify (op);
844 837
845 return true; 838 return true;
846} 839}
847 840
848/* returns a double that is the ratio of the price that a shop will offer for 841/* returns a double that is the ratio of the price that a shop will offer for
849 * item based on the shops specialisation. Does not take account of greed, 842 * item based on the shops specialisation. Does not take account of greed,
850 * returned value is between SPECIALISATION_EFFECT and 1. 843 * returned value is between SPECIALISATION_EFFECT and 1.
851 */ 844 */
852static double 845static double
853shop_specialisation_ratio (const object *item, const maptile *map) 846shop_specialisation_ratio (const object *item, const maptile *map)
854{ 847{
… …
862 return 0; 855 return 0;
863 } 856 }
864 857
865 if (!item->type) 858 if (!item->type)
866 { 859 {
867 LOG (llevError, "shop_specialisation_ratio: passed an item with an invalid type\n"); 860 LOG (llevError, "shop_specialisation_ratio: passed an item with an invalid type: %s\n", item->debug_desc ());
868 /* 861 /*
869 * I'm not really sure what the /right/ thing to do here is, these types of 862 * I'm not really sure what the /right/ thing to do here is, these types of
870 * item shouldn't exist anyway, but returning the ratio is probably the best bet.." 863 * item shouldn't exist anyway, but returning the ratio is probably the best bet.."
871 */ 864 */
872 return SPECIALISATION_EFFECT; 865 return SPECIALISATION_EFFECT;
873 } 866 }
874 867
875 if (map->shopitems) 868 if (map->shopitems)
… …
877 if (items[i].typenum == item->type || (!items[i].typenum && !likedness)) 870 if (items[i].typenum == item->type || (!items[i].typenum && !likedness))
878 likedness = items[i].strength; 871 likedness = items[i].strength;
879 872
880 if (likedness > 100) 873 if (likedness > 100)
881 { /* someone has been rather silly with the map headers. */ 874 { /* someone has been rather silly with the map headers. */
882 LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is above 100%%\n", item->type, &map->path); 875 LOG (llevDebug, "shop_specialisation ratio: item %s on map %s is above 100%%\n", item->debug_desc (), &map->path);
883 likedness = 100; 876 likedness = 100;
884 } 877 }
885 878
886 if (likedness < -100) 879 if (likedness < -100)
887 { 880 {
888 LOG (llevDebug, "shop_specialisation ratio: item type %d on map %s is below -100%%\n", item->type, &map->path); 881 LOG (llevDebug, "shop_specialisation ratio: item %s on map %s is below -100%%\n", item->debug_desc (), &map->path);
889 likedness = -100; 882 likedness = -100;
890 } 883 }
891 884
892 return lerp (double (likedness), -100., 100., SPECIALISATION_EFFECT, 1.); 885 return lerp (double (likedness), -100., 100., SPECIALISATION_EFFECT, 1.);
893} 886}
… …
911 ? DISLIKE_RATIO 904 ? DISLIKE_RATIO
912 : 1.; 905 : 1.;
913} 906}
914 907
915/* limit the value of items based on the wealth of the shop. If the item is close 908/* limit the value of items based on the wealth of the shop. If the item is close
916 * to the maximum value a shop will offer, we start to reduce it, if the item is 909 * to the maximum value a shop will offer, we start to reduce it, if the item is
917 * below the minimum value the shop is prepared to trade in, then we don't 910 * below the minimum value the shop is prepared to trade in, then we don't
918 * want it and offer nothing. If it isn't a shop, check whether we should do generic 911 * want it and offer nothing. If it isn't a shop, check whether we should do generic
919 * value reduction. 912 * value reduction.
920 * 913 *
921 */ 914 */
922static sint64 915static sint64
923value_limit (sint64 val, int quantity, const object *who, int isshop) 916value_limit (sint64 val, int quantity, const object *who, int isshop)
924{ 917{
925 sint64 newval, unit_price, tmpshopmax; 918 sint64 newval, unit_price, tmpshopmax;
… …
965{ 958{
966 dynbuf_text buf; 959 dynbuf_text buf;
967 maptile *map = op->map; 960 maptile *map = op->map;
968 961
969 /*shopitems *items=map->shopitems; */ 962 /*shopitems *items=map->shopitems; */
970 int pos = 0, i; 963 int i;
971 double opinion = 0; 964 double opinion = 0;
972 965
973 if (op->type != PLAYER) 966 if (op->type != PLAYER)
974 return 0; 967 return 0;
975 968
… …
1041 1034
1042struct shopinv 1035struct shopinv
1043{ 1036{
1044 char *item_sort; 1037 char *item_sort;
1045 char *item_real; 1038 char *item_real;
1039 sint64 value;
1046 uint16 type; 1040 uint16 type;
1047 uint32 nrof; 1041 uint32 nrof;
1048}; 1042};
1049 1043
1050/* There are a lot fo extra casts in here just to suppress warnings - it 1044/* There are a lot fo extra casts in here just to suppress warnings - it
… …
1070} 1064}
1071 1065
1072static void 1066static void
1073add_shop_item (object *tmp, shopinv * items, int *numitems, int *numallocated) 1067add_shop_item (object *tmp, shopinv * items, int *numitems, int *numallocated)
1074{ 1068{
1075#if 0
1076 char buf[MAX_BUF];
1077#endif
1078 /* clear unpaid flag so that doesn't come up in query 1069 /* clear unpaid flag so that doesn't come up in query
1079 * string. We clear nrof so that we can better sort 1070 * string. We clear nrof so that we can better sort
1080 * the object names. 1071 * the object names.
1081 */ 1072 */
1082 1073
1083 CLEAR_FLAG (tmp, FLAG_UNPAID); 1074 tmp->clr_flag (FLAG_UNPAID);
1084 items[*numitems].nrof = tmp->nrof; 1075 items[*numitems].nrof = tmp->nrof;
1085 /* Non mergable items have nrof of 0, but count them as one 1076 /* Non mergable items have nrof of 0, but count them as one
1086 * so the display is properly. 1077 * so the display is properly.
1087 */ 1078 */
1088 if (tmp->nrof == 0) 1079 if (tmp->nrof == 0)
1089 items[*numitems].nrof++; 1080 items[*numitems].nrof++;
1090 items[*numitems].type = tmp->type; 1081 items[*numitems].type = tmp->type;
1082
1083 items[*numitems].value = tmp->value;
1091 1084
1092 switch (tmp->type) 1085 switch (tmp->type)
1093 { 1086 {
1094#if 0 1087#if 0
1095 case BOOTS: 1088 case BOOTS:
… …
1107#endif 1100#endif
1108 1101
1109 default: 1102 default:
1110 items[*numitems].item_sort = strdup (query_base_name (tmp, 0)); 1103 items[*numitems].item_sort = strdup (query_base_name (tmp, 0));
1111 items[*numitems].item_real = strdup (query_base_name (tmp, 1)); 1104 items[*numitems].item_real = strdup (query_base_name (tmp, 1));
1105 items[*numitems].value += tmp->value;
1112 (*numitems)++; 1106 (*numitems)++;
1113 break; 1107 break;
1114 } 1108 }
1115 1109
1116 SET_FLAG (tmp, FLAG_UNPAID); 1110 tmp->set_flag (FLAG_UNPAID);
1117} 1111}
1118 1112
1119void 1113void
1120shop_listing (object *sign, object *op) 1114shop_listing (object *sign, object *op)
1121{ 1115{
1122 int i, j, x1, x2, y1, y2; 1116 int i, j, x1, x2, y1, y2;
1123 const char *shop_coords = sign->kv (shstr_shop_coords); 1117 const char *shop_coords = sign->kv [shstr_shop_coords];
1124 object *stack; 1118 object *stack;
1125 shopinv *items; 1119 shopinv *items;
1126 1120
1127 /* Should never happen, but just in case a monster does apply a sign */ 1121 /* Should never happen, but just in case a monster does apply a sign */
1128 if (!op->is_player ()) 1122 if (!op->is_player ())
… …
1143 items = (shopinv *)malloc (sizeof (shopinv) * numallocated); 1137 items = (shopinv *)malloc (sizeof (shopinv) * numallocated);
1144 1138
1145 /* Find all the appropriate items */ 1139 /* Find all the appropriate items */
1146 for (i = x1; i <= x2; i++) 1140 for (i = x1; i <= x2; i++)
1147 for (j = y1; j < y2; j++) 1141 for (j = y1; j < y2; j++)
1148 if (is_in_shop (op->map, i, j)) 1142 if (op->map->is_in_shop (i, j))
1149 { 1143 {
1150 stack = GET_MAP_OB (op->map, i, j); 1144 stack = GET_MAP_OB (op->map, i, j);
1151 1145
1152 while (stack) 1146 while (stack)
1153 { 1147 {
1154 if (QUERY_FLAG (stack, FLAG_UNPAID)) 1148 if (stack->flag [FLAG_UNPAID])
1155 { 1149 {
1156 if (numitems == numallocated) 1150 if (numitems == numallocated)
1157 items = (shopinv *)realloc (items, sizeof (shopinv) * (numallocated *= 2)); 1151 items = (shopinv *)realloc (items, sizeof (shopinv) * (numallocated *= 2));
1158 1152
1159 add_shop_item (stack, items, &numitems, &numallocated); 1153 add_shop_item (stack, items, &numitems, &numallocated);
… …
1172 { 1166 {
1173 /* Collapse items of the same name together */ 1167 /* Collapse items of the same name together */
1174 if ((i + 1) < numitems && !strcmp (items[i].item_real, items[i + 1].item_real)) 1168 if ((i + 1) < numitems && !strcmp (items[i].item_real, items[i + 1].item_real))
1175 items[i + 1].nrof += items[i].nrof; 1169 items[i + 1].nrof += items[i].nrof;
1176 else 1170 else
1177 buf.printf (" %4d %s\n", items[i].nrof ? items[i].nrof : 1, items[i].nrof == 1 ? items[i].item_sort : items[i].item_real); 1171 {
1172 buf.printf (
1173 " %4d %s\n for %s\n",
1174 items[i].nrof ? items[i].nrof : 1,
1175 items[i].nrof == 1 ? items[i].item_sort : items[i].item_real,
1176 cost_string_from_value (items[i].value, op->flag [FLAG_WIZ] ? 0 : 1));
1177 }
1178 1178
1179 free (items[i].item_sort); 1179 free (items[i].item_sort);
1180 free (items[i].item_real); 1180 free (items[i].item_real);
1181 } 1181 }
1182 1182
1183 op->contr->infobox (MSG_CHANNEL ("shopitems"), buf); 1183 op->contr->infobox (MSG_CHANNEL ("shopitems"), buf);
1184 1184
1185 free (items); 1185 free (items);
1186}
1187
1188/* elmex: this function checks whether the object is in a shop */
1189bool
1190is_in_shop (object *o)
1191{
1192 if (!o->is_on_map ())
1193 return false;
1194
1195 return is_in_shop (o->map, o->x, o->y);
1196} 1186}
1197 1187
1198/* elmex: this function checks whether we are in a shop or not 1188/* elmex: this function checks whether we are in a shop or not
1199 - change 2007-11-26: enhanced the O(n) case by stopping at the first 1189 - change 2007-11-26: enhanced the O(n) case by stopping at the first
1200 floor tile. this possibly will make map bugs where shopfloors are above 1190 floor tile. this possibly will make map bugs where shopfloors are above
1201 floors more obvious. 1191 floors more obvious.
1202*/ 1192*/
1203
1204bool 1193bool
1205is_in_shop (maptile *map, int x, int y) 1194maptile::is_in_shop (int x, int y) const
1206{ 1195{
1207 for (object *floor = GET_MAP_OB (map, x, y); floor; floor = floor->above) 1196 for (object *floor = at (x, y).bot; floor; floor = floor->above)
1208 if (QUERY_FLAG (floor, FLAG_IS_FLOOR)) 1197 if (floor->flag [FLAG_IS_FLOOR])
1209 return floor->type == SHOP_FLOOR; 1198 return floor->type == SHOP_FLOOR;
1210 1199
1211 return false; 1200 return false;
1212} 1201}
1213 1202

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