void buyingstore_trade(struct map_session_data* sd, int account_id, unsigned int buyer_id, const uint8* itemlist, unsigned int count)
{
int zeny = 0;
unsigned int i, weight, listidx, k;
struct map_session_data* pl_sd;
if( count == 0 )
{// nothing to do
return;
}
if( !battle_config.feature_buying_store || pc_istrading(sd) )
{// not allowed to sell
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
if( !pc_can_give_items(pc_isGM(sd)) )
{// custom: GM is not allowed to sell
clif_displaymessage(sd->fd, msg_txt(246));
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
if( ( pl_sd = map_id2sd(account_id) ) == NULL || !pl_sd->state.buyingstore || pl_sd->buyer_id != buyer_id )
{// not online, not buying or not same store
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
if( !searchstore_queryremote(sd, account_id) && ( sd->bl.m != pl_sd->bl.m || !check_distance_bl(&sd->bl, &pl_sd->bl, AREA_SIZE) ) )
{// out of view range
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
searchstore_clearremote(sd);
if( pl_sd->status.zeny < pl_sd->buyingstore.zenylimit )
{// buyer lost zeny in the mean time? fix the limit
pl_sd->buyingstore.zenylimit = pl_sd->status.zeny;
}
weight = pl_sd->weight;
// check item list
for( i = 0; i < count; i++ )
{// itemlist: <index>.W <name id>.W <amount>.W
unsigned short nameid, amount;
int index;
index = RBUFW(itemlist,i*6+0)-2;
nameid = RBUFW(itemlist,i*6+2);
amount = RBUFW(itemlist,i*6+4);
if( i )
{// duplicate check. as the client does this too, only malicious intent should be caught here
ARR_FIND( 0, i, k, RBUFW(itemlist,k*6+0)-2 == index );
if( k != i )
{// duplicate
ShowWarning("buyingstore_trade: Found duplicate item on selling list (prevnameid=%hu, prevamount=%hu, nameid=%hu, amount=%hu, account_id=%d, char_id=%d).\n",
RBUFW(itemlist,k*6+2), RBUFW(itemlist,k*6+4), nameid, amount, sd->status.account_id, sd->status.char_id);
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
}
if( index < 0 || index >= ARRAYLENGTH(sd->status.inventory) || sd->inventory_data[index] == NULL || sd->status.inventory[index].nameid != nameid || sd->status.inventory[index].amount < amount )
{// invalid input
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
if( sd->status.inventory[index].expire_time || !itemdb_cantrade(&sd->status.inventory[index], pc_isGM(sd), pc_isGM(pl_sd)) || memcmp(sd->status.inventory[index].card, buyingstore_blankslots, sizeof(buyingstore_blankslots)) )
{// non-tradable item
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
ARR_FIND( 0, pl_sd->buyingstore.slots, listidx, pl_sd->buyingstore.items[listidx].nameid == nameid );
if( listidx == pl_sd->buyingstore.slots || pl_sd->buyingstore.items[listidx].amount == 0 )
{// there is no such item or the buyer has already bought all of them
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
if( pl_sd->buyingstore.items[listidx].amount < amount )
{// buyer does not need that much of the item
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_COUNT, nameid);
return;
}
if( pc_checkadditem(pl_sd, nameid, amount) == ADDITEM_OVERAMOUNT )
{// buyer does not have enough space for this item
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
if( amount*(unsigned int)sd->inventory_data[index]->weight > pl_sd->max_weight-weight )
{// normally this is not supposed to happen, as the total weight is
// checked upon creation, but the buyer could have gained items
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
weight+= amount*sd->inventory_data[index]->weight;
if( amount*pl_sd->buyingstore.items[listidx].price > pl_sd->buyingstore.zenylimit-zeny )
{// buyer does not have enough zeny
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_ZENY, nameid);
return;
}
zeny+= amount*pl_sd->buyingstore.items[listidx].price;
}
// process item list
for( i = 0; i < count; i++ )
{// itemlist: <index>.W <name id>.W <amount>.W
unsigned short nameid, amount;
int index;
index = RBUFW(itemlist,i*6+0)-2;
nameid = RBUFW(itemlist,i*6+2);
amount = RBUFW(itemlist,i*6+4);
ARR_FIND( 0, pl_sd->buyingstore.slots, listidx, pl_sd->buyingstore.items[listidx].nameid == nameid );
zeny = amount*pl_sd->buyingstore.items[listidx].price;
// log
log_pick_pc(sd, LOG_TYPE_BUYING_STORE, nameid, -((int)amount), &sd->status.inventory[index]);
log_pick_pc(pl_sd, LOG_TYPE_BUYING_STORE, nameid, amount, &sd->status.inventory[index]);
log_zeny(sd, LOG_TYPE_BUYING_STORE, pl_sd, zeny);
// move item
pc_additem(pl_sd, &sd->status.inventory[index], amount);
pc_delitem(sd, index, amount, 1, 0);
pl_sd->buyingstore.items[listidx].amount-= amount;
// pay up
pc_payzeny(pl_sd, zeny);
pc_getzeny(sd, zeny);
pl_sd->buyingstore.zenylimit-= zeny;
// notify clients
clif_buyingstore_delete_item(sd, index, amount, pl_sd->buyingstore.items[listidx].price);
clif_buyingstore_update_item(pl_sd, nameid, amount);
}
// check whether or not there is still something to buy
ARR_FIND( 0, pl_sd->buyingstore.slots, i, pl_sd->buyingstore.items[i].amount != 0 );
if( i == pl_sd->buyingstore.slots )
{// everything was bought
clif_buyingstore_trade_failed_buyer(pl_sd, BUYINGSTORE_TRADE_BUYER_NO_ITEMS);
}
else if( pl_sd->buyingstore.zenylimit == 0 )
{// zeny limit reached
clif_buyingstore_trade_failed_buyer(pl_sd, BUYINGSTORE_TRADE_BUYER_ZENY);
}
else
{// continue buying
return;
}
// cannot continue buying
buyingstore_close(pl_sd);
// remove auto-trader
if( pl_sd->state.autotrade )
{
map_quit(pl_sd);
}
}
/**
* Start transaction
* @param sd Player/Seller
* @param account_id Buyer account ID
* @param *itemlist List of sold items { <index>.W, <nameid>.W, <amount>.W }*
* @param count Number of item on the itemlist
*/
void buyingstore_trade(struct map_session_data *sd, int account_id, unsigned int buyer_id, const uint8 *itemlist, unsigned int count) {
int zeny = 0;
unsigned int i, weight, listidx, k;
struct map_session_data *pl_sd;
nullpo_retv(sd);
if( count == 0 ) // Nothing to do
return;
if( !battle_config.feature_buying_store || pc_istrading(sd) ) { // Not allowed to sell
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
if( !pc_can_give_items(sd) ) { // Custom: GM is not allowed to sell
clif_displaymessage(sd->fd, msg_txt(246));
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
// Not online, not buying or not same store
if( (pl_sd = map_id2sd(account_id)) == NULL || !pl_sd->state.buyingstore || pl_sd->buyer_id != buyer_id ) {
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
if( !searchstore_queryremote(sd, account_id) &&
(sd->bl.m != pl_sd->bl.m || !check_distance_bl(&sd->bl, &pl_sd->bl, AREA_SIZE)) )
{ // Out of view range
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, 0);
return;
}
searchstore_clearremote(sd);
if( pl_sd->status.zeny < pl_sd->buyingstore.zenylimit ) // Buyer lost zeny in the mean time? Fix the limit
pl_sd->buyingstore.zenylimit = pl_sd->status.zeny;
weight = pl_sd->weight;
// Check item list
for( i = 0; i < count; i++ ) { // itemlist: <index>.W <name id>.W <amount>.W
unsigned short nameid, amount;
int index;
index = RBUFW(itemlist,i * 6 + 0) - 2;
nameid = RBUFW(itemlist,i * 6 + 2);
amount = RBUFW(itemlist,i * 6 + 4);
if( i ) { // Duplicate check. as the client does this too, only malicious intent should be caught here
ARR_FIND(0, i, k, RBUFW(itemlist,k * 6 + 0) - 2 == index);
if( k != i ) { // Duplicate
ShowWarning("buyingstore_trade: Found duplicate item on selling list (prevnameid=%hu, prevamount=%hu, nameid=%hu, amount=%hu, account_id=%d, char_id=%d).\n",
RBUFW(itemlist,k * 6 + 2), RBUFW(itemlist,k * 6 + 4), nameid, amount, sd->status.account_id, sd->status.char_id);
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
}
if( index < 0 || index >= ARRAYLENGTH(sd->status.inventory) || sd->inventory_data[index] == NULL ||
sd->status.inventory[index].nameid != nameid || sd->status.inventory[index].amount < amount )
{ // Invalid input
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
if( sd->status.inventory[index].expire_time || (sd->status.inventory[index].bound && !pc_can_give_bounded_items(sd)) ||
!itemdb_cantrade(&sd->status.inventory[index], pc_get_group_level(sd), pc_get_group_level(pl_sd)) ||
memcmp(sd->status.inventory[index].card, buyingstore_blankslots, sizeof(buyingstore_blankslots)) )
{ // Non-tradable item
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
ARR_FIND(0, pl_sd->buyingstore.slots, listidx, pl_sd->buyingstore.items[listidx].nameid == nameid);
// There is no such item or the buyer has already bought all of them
if( listidx == pl_sd->buyingstore.slots || pl_sd->buyingstore.items[listidx].amount == 0 ) {
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
// Buyer does not need that much of the item
if( pl_sd->buyingstore.items[listidx].amount < amount ) {
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_COUNT, nameid);
return;
}
// Buyer does not have enough space for this item
if( pc_checkadditem(pl_sd, nameid, amount) == CHKADDITEM_OVERAMOUNT ) {
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
// Normally this is not supposed to happen, as the total weight is
// checked upon creation, but the buyer could have gained items
if( amount * (unsigned int)sd->inventory_data[index]->weight > pl_sd->max_weight - weight ) {
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_FAILED, nameid);
return;
}
weight += amount * sd->inventory_data[index]->weight;
// Buyer does not have enough zeny
if( amount * pl_sd->buyingstore.items[listidx].price > pl_sd->buyingstore.zenylimit - zeny ) {
clif_buyingstore_trade_failed_seller(sd, BUYINGSTORE_TRADE_SELLER_ZENY, nameid);
return;
}
zeny += amount * pl_sd->buyingstore.items[listidx].price;
}
// Process item list
for( i = 0; i < count; i++ ) { // itemlist: <index>.W <name id>.W <amount>.W
unsigned short nameid, amount;
int index;
index = RBUFW(itemlist,i * 6 + 0) - 2;
nameid = RBUFW(itemlist,i * 6 + 2);
amount = RBUFW(itemlist,i * 6 + 4);
ARR_FIND(0, pl_sd->buyingstore.slots, listidx, pl_sd->buyingstore.items[listidx].nameid == nameid);
zeny = amount * pl_sd->buyingstore.items[listidx].price;
// Move item
pc_additem(pl_sd, &sd->status.inventory[index], amount, LOG_TYPE_BUYING_STORE);
pc_delitem(sd, index, amount, 1, 0, LOG_TYPE_BUYING_STORE);
pl_sd->buyingstore.items[listidx].amount -= amount;
if( pl_sd->buyingstore.items[listidx].amount > 0 ) {
if( Sql_Query(mmysql_handle, "UPDATE `%s` SET `amount` = %d WHERE `buyingstore_id` = %d AND `index` = %d;",
buyingstore_items_db, pl_sd->buyingstore.items[listidx].amount, pl_sd->buyer_id, listidx) != SQL_SUCCESS )
Sql_ShowDebug(mmysql_handle);
} else {
if( Sql_Query(mmysql_handle, "DELETE FROM `%s` WHERE `buyingstore_id` = %d AND `index` = %d;",
buyingstore_items_db, pl_sd->buyer_id, listidx) != SQL_SUCCESS )
Sql_ShowDebug(mmysql_handle);
}
// Pay up
pc_payzeny(pl_sd, zeny, LOG_TYPE_BUYING_STORE, sd);
pc_getzeny(sd, zeny, LOG_TYPE_BUYING_STORE, pl_sd);
pl_sd->buyingstore.zenylimit -= zeny;
// Notify clients
clif_buyingstore_delete_item(sd, index, amount, pl_sd->buyingstore.items[listidx].price);
clif_buyingstore_update_item(pl_sd, nameid, amount);
}
if( save_settings&128 ) {
chrif_save(sd, 0);
chrif_save(pl_sd, 0);
}
// Check whether or not there is still something to buy
ARR_FIND(0, pl_sd->buyingstore.slots, i, pl_sd->buyingstore.items[i].amount != 0);
if( i == pl_sd->buyingstore.slots ) // Everything was bought
clif_buyingstore_trade_failed_buyer(pl_sd, BUYINGSTORE_TRADE_BUYER_NO_ITEMS);
else if( pl_sd->buyingstore.zenylimit == 0 ) // Zeny limit reached
clif_buyingstore_trade_failed_buyer(pl_sd, BUYINGSTORE_TRADE_BUYER_ZENY);
else { // Continue buying
if( Sql_Query(mmysql_handle, "UPDATE `%s` SET `limit` = %d WHERE `id` = %d;",
buyingstores_db, pl_sd->buyingstore.zenylimit, pl_sd->buyer_id) != SQL_SUCCESS )
Sql_ShowDebug(mmysql_handle);
return;
}
// Cannot continue buying
buyingstore_close(pl_sd);
// Remove auto-trader
if( pl_sd->state.autotrade )
map_quit(pl_sd);
}
