/// logs item transactions (players)
void log_pick_pc(struct map_session_data* sd, e_log_pick_type type, int amount, struct item* itm)
{
nullpo_retv(sd);
log_pick(sd->status.char_id, sd->bl.m, type, amount, itm);
}
/// logs item transactions (monsters)
void log_pick_mob(struct mob_data* md, e_log_pick_type type, int amount, struct item* itm)
{
nullpo_retv(md);
log_pick(md->mob_id, md->bl.m, type, amount, itm);
}
/// logs item transactions (players)
void log_pick_pc(struct map_session_data* sd, e_log_pick_type type, int amount, struct item* itm, struct item_data *data) {
nullpo_retv(sd);
log_pick(sd->status.char_id, sd->bl.m, type, amount, itm, data ? data : itemdb->exists(itm->nameid));
}
/// logs item transactions (monsters)
void log_pick_mob(struct mob_data* md, e_log_pick_type type, int amount, struct item* itm, struct item_data *data) {
nullpo_retv(md);
log_pick(md->class_, md->bl.m, type, amount, itm, data ? data : itemdb->exists(itm->nameid));
}
//Does party loot. first_charid holds the charid of the player who has time priority to take the item.
int party_share_loot(struct party_data* p, struct map_session_data* sd, struct item* item_data, int first_charid)
{
TBL_PC* target = NULL;
int i;
if (p && p->party.item&2 && (first_charid || !(battle_config.party_share_type&1)))
{
//item distribution to party members.
if (battle_config.party_share_type&2)
{ //Round Robin
TBL_PC* psd;
i = p->itemc;
do {
i++;
if (i >= MAX_PARTY)
i = 0; // reset counter to 1st person in party so it'll stop when it reaches "itemc"
if( (psd = p->data[i].sd) == NULL || sd->bl.m != psd->bl.m || pc_isdead(psd) || (battle_config.idle_no_share && pc_isidle(psd)) )
continue;
if (pc_additem(psd,item_data,item_data->amount))
continue; //Chosen char can't pick up loot.
//Successful pick.
p->itemc = i;
target = psd;
break;
} while (i != p->itemc);
}
else
{ //Random pick
TBL_PC* psd[MAX_PARTY];
int count = 0;
//Collect pick candidates
for (i = 0; i < MAX_PARTY; i++) {
if( (psd[count] = p->data[i].sd) == NULL || psd[count]->bl.m != sd->bl.m || pc_isdead(psd[count]) || (battle_config.idle_no_share && pc_isidle(psd[count])) )
continue;
count++;
}
while (count > 0) { //Pick a random member.
i = rand()%count;
if (pc_additem(psd[i],item_data,item_data->amount))
{ //Discard this receiver.
psd[i] = psd[count-1];
count--;
} else { //Successful pick.
target = psd[i];
break;
}
}
}
}
if (!target) {
target = sd; //Give it to the char that picked it up
if ((i=pc_additem(sd,item_data,item_data->amount)))
return i;
}
//Logs items, taken by (P)layers [Lupus]
log_pick(&target->bl, LOG_TYPE_PICKDROP_PLAYER, item_data->nameid, item_data->amount, item_data);
if( p && battle_config.party_show_share_picker && battle_config.show_picker_item_type&(1<<itemdb_type(item_data->nameid)) )
clif_party_show_picker(target, item_data);
return 0;
}
/*==========================================
* Purchase item(s) from a shop
*------------------------------------------*/
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
}
}
//Logs (V)ending Zeny [Lupus]
log_zeny(vsd, LOG_TYPE_VENDING, sd, (int)z);
pc_payzeny(sd, (int)z);
if( battle_config.vending_tax )
z -= z * (battle_config.vending_tax/10000.);
pc_getzeny(vsd, (int)z);
for( i = 0; i < count; i++ )
{
short amount = *(uint16*)(data + 4*i + 0);
short idx = *(uint16*)(data + 4*i + 2);
idx -= 2;
//Logs sold (V)ending items [Lupus]
log_pick(&vsd->bl, LOG_TYPE_VENDING, vsd->status.cart[idx].nameid, -amount, &vsd->status.cart[idx]);
log_pick( &sd->bl, LOG_TYPE_VENDING, vsd->status.cart[idx].nameid, amount, &vsd->status.cart[idx]);
// vending item
pc_additem(sd, &vsd->status.cart[idx], amount);
vsd->vending[vend_list[i]].amount -= amount;
pc_cart_delitem(vsd, idx, amount, 0);
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 party_share_loot(struct party *p, TBL_PC *sd, struct item *item_data)
{
TBL_PC *target=NULL;
int i;
if (p && p->item&2) {
//item distribution to party members.
if (battle_config.party_share_type) { //Round Robin
TBL_PC *psd;
i = p->itemc;
do {
i++;
if (i >= MAX_PARTY)
i = 0; // reset counter to 1st person in party so it'll stop when it reaches "itemc"
if ((psd=p->member[i].sd)==NULL || sd->bl.m != psd->bl.m)
continue;
if (pc_additem(psd,item_data,item_data->amount))
continue; //Chosen char can't pick up loot.
//Successful pick.
p->itemc = i;
target = psd;
break;
} while (i != p->itemc);
} else { //Random pick
TBL_PC *psd[MAX_PARTY];
int count=0;
//Collect pick candidates
for (i = 0; i < MAX_PARTY; i++) {
if ((psd[count]=p->member[i].sd) && psd[count]->bl.m == sd->bl.m)
count++;
}
if (count > 0) { //Pick a random member.
do {
i = rand()%count;
if (pc_additem(psd[i],item_data,item_data->amount))
{ //Discard this receiver.
psd[i] = psd[count-1];
count--;
} else { //Successful pick.
target = psd[i];
break;
}
} while (count > 0);
}
}
}
if (!target) { //Give it to the owner.
target = sd;
if ((i=pc_additem(sd,item_data,item_data->amount)))
return i;
}
if(log_config.pick) //Logs items, taken by (P)layers [Lupus]
log_pick(target, "P", 0, item_data->nameid, item_data->amount, item_data);
//Logs
if(battle_config.party_show_share_picker && target != sd){
char output[80];
sprintf(output, "%s acquired the item.",target->status.name);
clif_disp_onlyself(sd,output,strlen(output));
}
return 0;
}
/*==========================================
* 取引許諾(trade押し)
*------------------------------------------
*/
void trade_tradecommit(struct map_session_data *sd) {
struct map_session_data *target_sd;
int trade_i;
int flag;
nullpo_retv(sd);
if (sd->state.trading && (target_sd = map_id2sd(sd->trade_partner)) != NULL) {
if ((sd->state.deal_locked >= 1) && (target_sd->state.deal_locked >= 1)) { // both have pressed 'ok'
if (sd->state.deal_locked < 2) { // set locked to 2
sd->state.deal_locked = 2;
}
if (target_sd->state.deal_locked == 2) { // the other one pressed 'trade' too
// check exploit (trade more items that you have)
if (impossible_trade_check(sd)) {
trade_tradecancel(sd);
return;
}
// check exploit (trade more items that you have)
if (impossible_trade_check(target_sd)) {
trade_tradecancel(target_sd);
return;
}
// check zenys value against hackers
if (sd->deal.zeny >= 0 && sd->deal.zeny <= MAX_ZENY && sd->deal.zeny <= sd->status.zeny && // check amount
(target_sd->status.zeny + sd->deal.zeny) <= MAX_ZENY && // fix positiv overflow
target_sd->deal.zeny >= 0 && target_sd->deal.zeny <= MAX_ZENY && target_sd->deal.zeny <= target_sd->status.zeny && // check amount
(sd->status.zeny + target_sd->deal.zeny) <= MAX_ZENY) { // fix positiv overflow
// check for full inventory (can not add traded items)
if (!trade_check(sd)) { // check the both players
trade_tradecancel(sd);
return;
}
// trade is accepted
for(trade_i = 0; trade_i < 10; trade_i++) {
if (sd->deal.item[trade_i].amount != 0) {
int n = sd->deal.item[trade_i].index;
if (sd->status.inventory[n].amount < sd->deal.item[trade_i].amount)
sd->deal.item[trade_i].amount = sd->status.inventory[n].amount;
log_trade(sd, target_sd, n, sd->deal.item[trade_i].amount);
flag = pc_additem(target_sd, &sd->status.inventory[n], sd->deal.item[trade_i].amount);
if (flag == 0) {
//Logs (T)rade [Lupus]
if(log_config.pick > 0 )
log_pick(sd, "T", 0, sd->status.inventory[n].nameid, -(sd->deal.item[trade_i].amount), &sd->status.inventory[n]);
log_pick(target_sd, "T", 0, sd->status.inventory[n].nameid, sd->deal.item[trade_i].amount, &sd->status.inventory[n]);
//Logs
pc_delitem(sd, n, sd->deal.item[trade_i].amount, 1);
} else {
clif_additem(sd, n, sd->deal.item[trade_i].amount, 0);
}
sd->deal.item[trade_i].index = 0;
sd->deal.item[trade_i].amount = 0;
}
if (target_sd->deal.item[trade_i].amount != 0) {
int n = target_sd->deal.item[trade_i].index;
if (target_sd->status.inventory[n].amount < target_sd->deal.item[trade_i].amount)
target_sd->deal.item[trade_i].amount = target_sd->status.inventory[n].amount;
log_trade(target_sd, sd, n, target_sd->deal.item[trade_i].amount);
flag = pc_additem(sd, &target_sd->status.inventory[n], target_sd->deal.item[trade_i].amount);
if (flag == 0) {
//Logs (T)rade [Lupus]
if(log_config.pick > 0 )
log_pick(target_sd, "T", 0, target_sd->status.inventory[n].nameid, -(target_sd->deal.item[trade_i].amount), &target_sd->status.inventory[n]);
log_pick(sd, "T", 0, target_sd->status.inventory[n].nameid, target_sd->deal.item[trade_i].amount, &target_sd->status.inventory[n]);
//Logs
pc_delitem(target_sd, n, target_sd->deal.item[trade_i].amount, 1);
} else {
clif_additem(target_sd, n, target_sd->deal.item[trade_i].amount, 0);
}
target_sd->deal.item[trade_i].index = 0;
target_sd->deal.item[trade_i].amount = 0;
}
}
if (sd->deal.zeny) {
//Logs Zeny (T)rade [Lupus]
if(log_config.zeny > 0 )
log_zeny(target_sd, "T", sd, sd->deal.zeny);
//Logs
sd->status.zeny -= sd->deal.zeny;
target_sd->status.zeny += sd->deal.zeny;
}
if (target_sd->deal.zeny) {
//Logs Zeny (T)rade [Lupus]
if(log_config.zeny > 0 )
log_zeny(sd, "T", target_sd, target_sd->deal.zeny);
//Logs
target_sd->status.zeny -= target_sd->deal.zeny;
sd->status.zeny += target_sd->deal.zeny;
}
if (sd->deal.zeny || target_sd->deal.zeny) {
clif_updatestatus(sd, SP_ZENY);
sd->deal.zeny = 0;
clif_updatestatus(target_sd, SP_ZENY);
target_sd->deal.zeny = 0;
}
sd->state.deal_locked = 0;
sd->trade_partner = 0;
sd->state.trading = 0;
target_sd->state.deal_locked = 0;
target_sd->trade_partner = 0;
target_sd->state.trading = 0;
clif_tradecompleted(sd, 0);
clif_tradecompleted(target_sd, 0);
// save both player to avoid crash: they always have no advantage/disadvantage between the 2 players
chrif_save(sd,0); // do pc_makesavestatus and save storage too
chrif_save(target_sd,0); // do pc_makesavestatus and save storage too
// zeny value was modified!!!! hacker with packet modified
} else {
trade_tradecancel(sd);
}
}
}
}
}
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(&sd->bl, LOG_TYPE_BUYING_STORE, nameid, -((int)amount), &sd->status.inventory[index]);
log_pick(&pl_sd->bl, 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);
}
}