diff options
Diffstat (limited to 'src/map/vending.c')
| -rw-r--r-- | src/map/vending.c | 654 |
1 files changed, 334 insertions, 320 deletions
diff --git a/src/map/vending.c b/src/map/vending.c index c796d77e5..0f8255788 100644 --- a/src/map/vending.c +++ b/src/map/vending.c @@ -25,379 +25,393 @@ static int vending_nextid = 0; /// Returns an unique vending shop id. static int vending_getuid(void) { - return vending_nextid++; + return vending_nextid++; } /*========================================== * Close shop *------------------------------------------*/ -void vending_closevending(struct map_session_data *sd) +void vending_closevending(struct map_session_data* sd) { - nullpo_retv(sd); + nullpo_retv(sd); - if (sd->state.vending) { - sd->state.vending = false; - clif_closevendingboard(&sd->bl, 0); - } + if( sd->state.vending ) + { + sd->state.vending = false; + clif_closevendingboard(&sd->bl, 0); + } } /*========================================== * Request a shop's item list *------------------------------------------*/ -void vending_vendinglistreq(struct map_session_data *sd, int id) +void vending_vendinglistreq(struct map_session_data* sd, int id) { - struct map_session_data *vsd; - nullpo_retv(sd); + struct map_session_data* vsd; + nullpo_retv(sd); - if ((vsd = map_id2sd(id)) == NULL) - return; - if (!vsd->state.vending) - return; // not vending + if( (vsd = map_id2sd(id)) == NULL ) + return; + if( !vsd->state.vending ) + return; // not vending - if (!pc_can_give_items(sd) || !pc_can_give_items(vsd)) { //check if both GMs are allowed to trade - // GM is not allowed to trade - clif_displaymessage(sd->fd, msg_txt(246)); - return; - } + if (!pc_can_give_items(sd) || !pc_can_give_items(vsd)) //check if both GMs are allowed to trade + { // GM is not allowed to trade + clif_displaymessage(sd->fd, msg_txt(246)); + return; + } - sd->vended_id = vsd->vender_id; // register vending uid + sd->vended_id = vsd->vender_id; // register vending uid - clif_vendinglist(sd, id, vsd->vending); + clif_vendinglist(sd, id, vsd->vending); } /*========================================== * Purchase item(s) from a shop *------------------------------------------*/ -void vending_purchasereq(struct map_session_data *sd, int aid, int uid, const uint8 *data, int count) +void vending_purchasereq(struct map_session_data* sd, int aid, int uid, const uint8* data, int count) { - int i, j, cursor, w, new_ = 0, blank, vend_list[MAX_VENDING]; - double z; - struct s_vending vending[MAX_VENDING]; // against duplicate packets - struct map_session_data *vsd = map_id2sd(aid); - - nullpo_retv(sd); - if (vsd == NULL || !vsd->state.vending || vsd->bl.id == sd->bl.id) - return; // invalid shop - - if (vsd->vender_id != uid) { - // shop has changed - clif_buyvending(sd, 0, 0, 6); // store information was incorrect - return; - } - - if (!searchstore_queryremote(sd, aid) && (sd->bl.m != vsd->bl.m || !check_distance_bl(&sd->bl, &vsd->bl, AREA_SIZE))) - return; // shop too far away - - searchstore_clearremote(sd); - - if (count < 1 || count > MAX_VENDING || count > vsd->vend_num) - return; // invalid amount of purchased items - - blank = pc_inventoryblank(sd); //number of free cells in the buyer's inventory - - // duplicate item in vending to check hacker with multiple packets - memcpy(&vending, &vsd->vending, sizeof(vsd->vending)); // copy vending list - - // some checks - z = 0.; // zeny counter - w = 0; // weight counter - for (i = 0; i < count; i++) { - short amount = *(uint16 *)(data + 4*i + 0); - short idx = *(uint16 *)(data + 4*i + 2); - idx -= 2; - - if (amount <= 0) - return; - - // check of item index in the cart - if (idx < 0 || idx >= MAX_CART) - return; - - ARR_FIND(0, vsd->vend_num, j, vsd->vending[j].index == idx); - if (j == vsd->vend_num) - return; //picked non-existing item - else - vend_list[i] = j; - - z += ((double)vsd->vending[j].value * (double)amount); - if (z > (double)sd->status.zeny || z < 0. || z > (double)MAX_ZENY) { - clif_buyvending(sd, idx, amount, 1); // you don't have enough zeny - return; - } - if (z + (double)vsd->status.zeny > (double)MAX_ZENY && !battle_config.vending_over_max) { - clif_buyvending(sd, idx, vsd->vending[j].amount, 4); // too much zeny = overflow - return; - - } - w += itemdb_weight(vsd->status.cart[idx].nameid) * amount; - if (w + sd->weight > sd->max_weight) { - clif_buyvending(sd, idx, amount, 2); // you can not buy, because overweight - return; - } - - //Check to see if cart/vend info is in sync. - if (vending[j].amount > vsd->status.cart[idx].amount) - vending[j].amount = vsd->status.cart[idx].amount; - - // if they try to add packets (example: get twice or more 2 apples if marchand has only 3 apples). - // here, we check cumulative amounts - if (vending[j].amount < amount) { - // send more quantity is not a hack (an other player can have buy items just before) - clif_buyvending(sd, idx, vsd->vending[j].amount, 4); // not enough quantity - return; - } - - vending[j].amount -= amount; - - switch (pc_checkadditem(sd, vsd->status.cart[idx].nameid, amount)) { - case ADDITEM_EXIST: - break; //We'd add this item to the existing one (in buyers inventory) - case ADDITEM_NEW: - new_++; - if (new_ > blank) - return; //Buyer has no space in his inventory - break; - case ADDITEM_OVERAMOUNT: - return; //too many items - } - } - - pc_payzeny(sd, (int)z, LOG_TYPE_VENDING, vsd); - if (battle_config.vending_tax) - z -= z * (battle_config.vending_tax/10000.); - pc_getzeny(vsd, (int)z, LOG_TYPE_VENDING, sd); - - for (i = 0; i < count; i++) { - short amount = *(uint16 *)(data + 4*i + 0); - short idx = *(uint16 *)(data + 4*i + 2); - idx -= 2; - - // vending item - pc_additem(sd, &vsd->status.cart[idx], amount, LOG_TYPE_VENDING); - vsd->vending[vend_list[i]].amount -= amount; - pc_cart_delitem(vsd, idx, amount, 0, LOG_TYPE_VENDING); - clif_vendingreport(vsd, idx, amount); - - //print buyer's name - if (battle_config.buyer_name) { - char temp[256]; - sprintf(temp, msg_txt(265), sd->status.name); - clif_disp_onlyself(vsd,temp,strlen(temp)); - } - } - - // compact the vending list - for (i = 0, cursor = 0; i < vsd->vend_num; i++) { - if (vsd->vending[i].amount == 0) - continue; - - if (cursor != i) { // speedup - vsd->vending[cursor].index = vsd->vending[i].index; - vsd->vending[cursor].amount = vsd->vending[i].amount; - vsd->vending[cursor].value = vsd->vending[i].value; - } - - cursor++; - } - vsd->vend_num = cursor; - - //Always save BOTH: buyer and customer - if (save_settings&2) { - chrif_save(sd,0); - chrif_save(vsd,0); - } - - //check for @AUTOTRADE users [durf] - if (vsd->state.autotrade) { - //see if there is anything left in the shop - ARR_FIND(0, vsd->vend_num, i, vsd->vending[i].amount > 0); - if (i == vsd->vend_num) { - //Close Vending (this was automatically done by the client, we have to do it manually for autovenders) [Skotlex] - vending_closevending(vsd); - map_quit(vsd); //They have no reason to stay around anymore, do they? - } - } + int i, j, cursor, w, new_ = 0, blank, vend_list[MAX_VENDING]; + double z; + struct s_vending vending[MAX_VENDING]; // against duplicate packets + struct map_session_data* vsd = map_id2sd(aid); + + nullpo_retv(sd); + if( vsd == NULL || !vsd->state.vending || vsd->bl.id == sd->bl.id ) + return; // invalid shop + + if( vsd->vender_id != uid ) + {// shop has changed + clif_buyvending(sd, 0, 0, 6); // store information was incorrect + return; + } + + if( !searchstore_queryremote(sd, aid) && ( sd->bl.m != vsd->bl.m || !check_distance_bl(&sd->bl, &vsd->bl, AREA_SIZE) ) ) + return; // shop too far away + + searchstore_clearremote(sd); + + if( count < 1 || count > MAX_VENDING || count > vsd->vend_num ) + return; // invalid amount of purchased items + + blank = pc_inventoryblank(sd); //number of free cells in the buyer's inventory + + // duplicate item in vending to check hacker with multiple packets + memcpy(&vending, &vsd->vending, sizeof(vsd->vending)); // copy vending list + + // some checks + z = 0.; // zeny counter + w = 0; // weight counter + for( i = 0; i < count; i++ ) + { + short amount = *(uint16*)(data + 4*i + 0); + short idx = *(uint16*)(data + 4*i + 2); + idx -= 2; + + if( amount <= 0 ) + return; + + // check of item index in the cart + if( idx < 0 || idx >= MAX_CART ) + return; + + ARR_FIND( 0, vsd->vend_num, j, vsd->vending[j].index == idx ); + if( j == vsd->vend_num ) + return; //picked non-existing item + else + vend_list[i] = j; + + z += ((double)vsd->vending[j].value * (double)amount); + if( z > (double)sd->status.zeny || z < 0. || z > (double)MAX_ZENY ) + { + clif_buyvending(sd, idx, amount, 1); // you don't have enough zeny + return; + } + if( z + (double)vsd->status.zeny > (double)MAX_ZENY && !battle_config.vending_over_max ) + { + clif_buyvending(sd, idx, vsd->vending[j].amount, 4); // too much zeny = overflow + return; + + } + w += itemdb_weight(vsd->status.cart[idx].nameid) * amount; + if( w + sd->weight > sd->max_weight ) + { + clif_buyvending(sd, idx, amount, 2); // you can not buy, because overweight + return; + } + + //Check to see if cart/vend info is in sync. + if( vending[j].amount > vsd->status.cart[idx].amount ) + vending[j].amount = vsd->status.cart[idx].amount; + + // if they try to add packets (example: get twice or more 2 apples if marchand has only 3 apples). + // here, we check cumulative amounts + if( vending[j].amount < amount ) + { + // send more quantity is not a hack (an other player can have buy items just before) + clif_buyvending(sd, idx, vsd->vending[j].amount, 4); // not enough quantity + return; + } + + vending[j].amount -= amount; + + switch( pc_checkadditem(sd, vsd->status.cart[idx].nameid, amount) ) { + case ADDITEM_EXIST: + break; //We'd add this item to the existing one (in buyers inventory) + case ADDITEM_NEW: + new_++; + if (new_ > blank) + return; //Buyer has no space in his inventory + break; + case ADDITEM_OVERAMOUNT: + return; //too many items + } + } + + pc_payzeny(sd, (int)z, LOG_TYPE_VENDING, vsd); + if( battle_config.vending_tax ) + z -= z * (battle_config.vending_tax/10000.); + pc_getzeny(vsd, (int)z, LOG_TYPE_VENDING, sd); + + for( i = 0; i < count; i++ ) + { + short amount = *(uint16*)(data + 4*i + 0); + short idx = *(uint16*)(data + 4*i + 2); + idx -= 2; + + // vending item + pc_additem(sd, &vsd->status.cart[idx], amount, LOG_TYPE_VENDING); + vsd->vending[vend_list[i]].amount -= amount; + pc_cart_delitem(vsd, idx, amount, 0, LOG_TYPE_VENDING); + clif_vendingreport(vsd, idx, amount); + + //print buyer's name + if( battle_config.buyer_name ) + { + char temp[256]; + sprintf(temp, msg_txt(265), sd->status.name); + clif_disp_onlyself(vsd,temp,strlen(temp)); + } + } + + // compact the vending list + for( i = 0, cursor = 0; i < vsd->vend_num; i++ ) + { + if( vsd->vending[i].amount == 0 ) + continue; + + if( cursor != i ) // speedup + { + vsd->vending[cursor].index = vsd->vending[i].index; + vsd->vending[cursor].amount = vsd->vending[i].amount; + vsd->vending[cursor].value = vsd->vending[i].value; + } + + cursor++; + } + vsd->vend_num = cursor; + + //Always save BOTH: buyer and customer + if( save_settings&2 ) + { + chrif_save(sd,0); + chrif_save(vsd,0); + } + + //check for @AUTOTRADE users [durf] + if( vsd->state.autotrade ) + { + //see if there is anything left in the shop + ARR_FIND( 0, vsd->vend_num, i, vsd->vending[i].amount > 0 ); + if( i == vsd->vend_num ) + { + //Close Vending (this was automatically done by the client, we have to do it manually for autovenders) [Skotlex] + vending_closevending(vsd); + map_quit(vsd); //They have no reason to stay around anymore, do they? + } + } } -static int vending_checknearnpc_sub(struct block_list *bl, va_list args) -{ - struct npc_data *nd = (struct npc_data *)bl; - - if (nd->sc.option & (OPTION_HIDE|OPTION_INVISIBLE)) +static int vending_checknearnpc_sub(struct block_list* bl, va_list args) { + struct npc_data *nd = (struct npc_data*)bl; + + if( nd->sc.option & (OPTION_HIDE|OPTION_INVISIBLE) ) return 0; return 1; } -bool vending_checknearnpc(struct block_list *bl) -{ - - if (battle_config.min_npc_vending_distance > 0 && - map_foreachinrange(vending_checknearnpc_sub,bl, battle_config.min_npc_vending_distance, BL_NPC)) +bool vending_checknearnpc(struct block_list * bl) { + + if( battle_config.min_npc_vending_distance > 0 && + map_foreachinrange(vending_checknearnpc_sub,bl, battle_config.min_npc_vending_distance, BL_NPC) ) return true; - + return false; } /*========================================== * Open shop * data := {<index>.w <amount>.w <value>.l}[count] *------------------------------------------*/ -void vending_openvending(struct map_session_data *sd, const char *message, bool flag, const uint8 *data, int count) -{ - int i, j; - int vending_skill_lvl; - nullpo_retv(sd); - - if (!flag) // cancelled - return; // nothing to do - - if (pc_isdead(sd) || !sd->state.prevend || pc_istrading(sd)) - return; // can't open vendings lying dead || didn't use via the skill (wpe/hack) || can't have 2 shops at once - - vending_skill_lvl = pc_checkskill(sd, MC_VENDING); - // skill level and cart check - if (!vending_skill_lvl || !pc_iscarton(sd)) { - clif_skill_fail(sd, MC_VENDING, USESKILL_FAIL_LEVEL, 0); - return; - } - - // check number of items in shop - if (count < 1 || count > MAX_VENDING || count > 2 + vending_skill_lvl) { - // invalid item count - clif_skill_fail(sd, MC_VENDING, USESKILL_FAIL_LEVEL, 0); - return; - } - //check if nearby npc, (perhaps we should check for nearby shop too - if (vending_checknearnpc(&sd->bl)) { +void vending_openvending(struct map_session_data* sd, const char* message, bool flag, const uint8* data, int count) { + int i, j; + int vending_skill_lvl; + nullpo_retv(sd); + + if( !flag ) // cancelled + return; // nothing to do + + if ( pc_isdead(sd) || !sd->state.prevend || pc_istrading(sd)) + return; // can't open vendings lying dead || didn't use via the skill (wpe/hack) || can't have 2 shops at once + + vending_skill_lvl = pc_checkskill(sd, MC_VENDING); + // skill level and cart check + if( !vending_skill_lvl || !pc_iscarton(sd) ) + { + clif_skill_fail(sd, MC_VENDING, USESKILL_FAIL_LEVEL, 0); + return; + } + + // check number of items in shop + if( count < 1 || count > MAX_VENDING || count > 2 + vending_skill_lvl ) + { // invalid item count + clif_skill_fail(sd, MC_VENDING, USESKILL_FAIL_LEVEL, 0); + return; + } + //check if nearby npc, (perhaps we should check for nearby shop too + if( vending_checknearnpc(&sd->bl) ) { char output[150]; sprintf(output,"You're too close to a NPC, you must be at least %d cells away from any NPC.",battle_config.min_npc_vending_distance); clif_displaymessage(sd->fd, output); clif_skill_fail(sd, MC_VENDING, USESKILL_FAIL_LEVEL, 0); return; } - - - // filter out invalid items - i = 0; - for (j = 0; j < count; j++) { - short index = *(uint16 *)(data + 8*j + 0); - short amount = *(uint16 *)(data + 8*j + 2); - unsigned int value = *(uint32 *)(data + 8*j + 4); - - index -= 2; // offset adjustment (client says that the first cart position is 2) - - if (index < 0 || index >= MAX_CART // invalid position - || pc_cartitem_amount(sd, index, amount) < 0 // invalid item or insufficient quantity - //NOTE: official server does not do any of the following checks! - || !sd->status.cart[index].identify // unidentified item - || sd->status.cart[index].attribute == 1 // broken item - || sd->status.cart[index].expire_time // It should not be in the cart but just in case - || !itemdb_cantrade(&sd->status.cart[index], pc_get_group_level(sd), pc_get_group_level(sd))) // untradeable item - continue; - - sd->vending[i].index = index; - sd->vending[i].amount = amount; - sd->vending[i].value = cap_value(value, 0, (unsigned int)battle_config.vending_max_value); - - i++; // item successfully added - } - - if (i != j) - clif_displaymessage(sd->fd, msg_txt(266)); //"Some of your items cannot be vended and were removed from the shop." - - if (i == 0) { - // no valid item found - clif_skill_fail(sd, MC_VENDING, USESKILL_FAIL_LEVEL, 0); // custom reply packet - return; - } - sd->state.prevend = 0; - sd->state.vending = true; - sd->vender_id = vending_getuid(); - sd->vend_num = i; - safestrncpy(sd->message, message, MESSAGE_SIZE); - - pc_stop_walking(sd,1); - clif_openvending(sd,sd->bl.id,sd->vending); - clif_showvendingboard(&sd->bl,message,0); + + + // filter out invalid items + i = 0; + for( j = 0; j < count; j++ ) + { + short index = *(uint16*)(data + 8*j + 0); + short amount = *(uint16*)(data + 8*j + 2); + unsigned int value = *(uint32*)(data + 8*j + 4); + + index -= 2; // offset adjustment (client says that the first cart position is 2) + + if( index < 0 || index >= MAX_CART // invalid position + || pc_cartitem_amount(sd, index, amount) < 0 // invalid item or insufficient quantity + //NOTE: official server does not do any of the following checks! + || !sd->status.cart[index].identify // unidentified item + || sd->status.cart[index].attribute == 1 // broken item + || sd->status.cart[index].expire_time // It should not be in the cart but just in case + || !itemdb_cantrade(&sd->status.cart[index], pc_get_group_level(sd), pc_get_group_level(sd)) ) // untradeable item + continue; + + sd->vending[i].index = index; + sd->vending[i].amount = amount; + sd->vending[i].value = cap_value(value, 0, (unsigned int)battle_config.vending_max_value); + + i++; // item successfully added + } + + if( i != j ) + clif_displaymessage (sd->fd, msg_txt(266)); //"Some of your items cannot be vended and were removed from the shop." + + if( i == 0 ) + { // no valid item found + clif_skill_fail(sd, MC_VENDING, USESKILL_FAIL_LEVEL, 0); // custom reply packet + return; + } + sd->state.prevend = 0; + sd->state.vending = true; + sd->vender_id = vending_getuid(); + sd->vend_num = i; + safestrncpy(sd->message, message, MESSAGE_SIZE); + + pc_stop_walking(sd,1); + clif_openvending(sd,sd->bl.id,sd->vending); + clif_showvendingboard(&sd->bl,message,0); } /// Checks if an item is being sold in given player's vending. -bool vending_search(struct map_session_data *sd, unsigned short nameid) +bool vending_search(struct map_session_data* sd, unsigned short nameid) { - int i; + int i; - if (!sd->state.vending) { - // not vending - return false; - } + if( !sd->state.vending ) + {// not vending + return false; + } - ARR_FIND(0, sd->vend_num, i, sd->status.cart[sd->vending[i].index].nameid == (short)nameid); - if (i == sd->vend_num) { - // not found - return false; - } + ARR_FIND( 0, sd->vend_num, i, sd->status.cart[sd->vending[i].index].nameid == (short)nameid ); + if( i == sd->vend_num ) + {// not found + return false; + } - return true; + return true; } /// Searches for all items in a vending, that match given ids, price and possible cards. /// @return Whether or not the search should be continued. -bool vending_searchall(struct map_session_data *sd, const struct s_search_store_search *s) +bool vending_searchall(struct map_session_data* sd, const struct s_search_store_search* s) { - int i, c, slot; - unsigned int idx, cidx; - struct item *it; - - if (!sd->state.vending) { - // not vending - return true; - } - - for (idx = 0; idx < s->item_count; idx++) { - ARR_FIND(0, sd->vend_num, i, sd->status.cart[sd->vending[i].index].nameid == (short)s->itemlist[idx]); - if (i == sd->vend_num) { - // not found - continue; - } - it = &sd->status.cart[sd->vending[i].index]; - - if (s->min_price && s->min_price > sd->vending[i].value) { - // too low price - continue; - } - - if (s->max_price && s->max_price < sd->vending[i].value) { - // too high price - continue; - } - - if (s->card_count) { - // check cards - if (itemdb_isspecial(it->card[0])) { - // something, that is not a carded - continue; - } - slot = itemdb_slot(it->nameid); - - for (c = 0; c < slot && it->card[c]; c ++) { - ARR_FIND(0, s->card_count, cidx, s->cardlist[cidx] == it->card[c]); - if (cidx != s->card_count) { - // found - break; - } - } - - if (c == slot || !it->card[c]) { - // no card match - continue; - } - } - - if (!searchstore_result(s->search_sd, sd->vender_id, sd->status.account_id, sd->message, it->nameid, sd->vending[i].amount, sd->vending[i].value, it->card, it->refine)) { - // result set full - return false; - } - } - - return true; + int i, c, slot; + unsigned int idx, cidx; + struct item* it; + + if( !sd->state.vending ) + {// not vending + return true; + } + + for( idx = 0; idx < s->item_count; idx++ ) + { + ARR_FIND( 0, sd->vend_num, i, sd->status.cart[sd->vending[i].index].nameid == (short)s->itemlist[idx] ); + if( i == sd->vend_num ) + {// not found + continue; + } + it = &sd->status.cart[sd->vending[i].index]; + + if( s->min_price && s->min_price > sd->vending[i].value ) + {// too low price + continue; + } + + if( s->max_price && s->max_price < sd->vending[i].value ) + {// too high price + continue; + } + + if( s->card_count ) + {// check cards + if( itemdb_isspecial(it->card[0]) ) + {// something, that is not a carded + continue; + } + slot = itemdb_slot(it->nameid); + + for( c = 0; c < slot && it->card[c]; c ++ ) + { + ARR_FIND( 0, s->card_count, cidx, s->cardlist[cidx] == it->card[c] ); + if( cidx != s->card_count ) + {// found + break; + } + } + + if( c == slot || !it->card[c] ) + {// no card match + continue; + } + } + + if( !searchstore_result(s->search_sd, sd->vender_id, sd->status.account_id, sd->message, it->nameid, sd->vending[i].amount, sd->vending[i].value, it->card, it->refine) ) + {// result set full + return false; + } + } + + return true; } |