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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include <stdio.h>
#include <string.h>
#include "../common/nullpo.h"
#include "clif.h"
#include "itemdb.h"
#include "atcommand.h"
#include "map.h"
#include "chrif.h"
#include "vending.h"
#include "pc.h"
#include "skill.h"
#include "battle.h"
#include "log.h"
#include "irc.h"
/*==========================================
* �I�X��
*------------------------------------------
*/
void vending_closevending(struct map_session_data *sd)
{
nullpo_retv(sd);
sd->vender_id=0;
clif_closevendingboard(&sd->bl,0);
if(use_irc && irc_announce_shop_flag)
irc_announce_shop(sd,0);
}
/*==========================================
* �I�X�A�C�e�����X�g�v��
*------------------------------------------
*/
void vending_vendinglistreq(struct map_session_data *sd,int id)
{
struct map_session_data *vsd;
nullpo_retv(sd);
if( (vsd=map_id2sd(id)) == NULL )
return;
if(vsd->vender_id==0)
return;
clif_vendinglist(sd,id,vsd->vending);
}
/*==========================================
* �I�X�A�C�e���w��
*------------------------------------------
*/
void vending_purchasereq(struct map_session_data *sd,int len,int id,unsigned char *p)
{
int i, j, w, new_ = 0, blank, vend_list[MAX_VENDING];
double z;
unsigned short amount;
short idx;
struct map_session_data *vsd = map_id2sd(id);
struct vending vending[MAX_VENDING]; // against duplicate packets
nullpo_retv(sd);
if (vsd == NULL)
return;
if (vsd->vender_id == 0)
return;
if (vsd->vender_id == sd->bl.id)
return;
// check number of buying items
if (len < 8 + 4 || len > 8 + 4 * MAX_VENDING) {
clif_buyvending(sd, 0, 32767, 4); // not enough quantity (index and amount are unknown)
return;
}
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(struct vending) * MAX_VENDING); // copy vending list
// some checks
z = 0.;
w = 0;
for(i = 0; 8 + 4 * i < len; i++) {
amount = *(unsigned short*)(p + 4 * i);
idx = *(short*)(p + 2 + 4 * i) - 2;
if (amount <= 0)
return;
// check of item index in the cart
if (idx < 0 || idx >= MAX_CART)
return;
for(j = 0; j < vsd->vend_num; j++) {
if (vsd->vending[j].index == idx) {
vend_list[i] = j;
break;
}
}
if (j == vsd->vend_num)
return; //picked non-existing item
z += ((double)vsd->vending[j].value * (double)amount);
if (z > (double)sd->status.zeny || z < 0. || z > (double)MAX_ZENY) { // fix positiv overflow (buyer)
clif_buyvending(sd, idx, amount, 1); // you don't have enough zeny
return; // zeny s'<
}
if (z + (double)vsd->status.zeny > (double)MAX_ZENY) { // fix positiv overflow (merchand)
clif_buyvending(sd, idx, vsd->vending[j].amount, 4); // too much zeny = overflow
return; // zeny s'<
}
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;
}
if (vending[j].amount > vsd->status.cart[idx].amount) //Check to see if cart/vend info is in sync.
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 cumulativ 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;
} else
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]
if(log_config.zeny > 0 )
log_zeny(vsd, "V", sd, (int)z);
//Logs
pc_payzeny(sd, (int)z);
pc_getzeny(vsd, (int)z);
for(i = 0; 8 + 4 * i < len; i++) {
amount = *(short*)(p + 4 *i);
idx = *(short*)(p + 2 + 4 * i) - 2;
//if (amount < 0) break; // tested at start of the function
//Logs sold (V)ending items [Lupus]
if(log_config.pick > 0 ) {
log_pick(vsd, "V", 0, vsd->status.cart[idx].nameid, -amount, (struct item*)&vsd->status.cart[idx]);
log_pick( sd, "V", 0, vsd->status.cart[idx].nameid, amount, (struct item*)&vsd->status.cart[idx]);
}
//Logs
// 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));
}
}
//Always save BOTH: buyer and customer
chrif_save(sd,0);
chrif_save(vsd,0);
//check for @AUTOTRADE users [durf]
if (vsd->state.autotrade)
{
//Close Vending (this was automatically done by the client, we have to do it manually for autovenders) [Skotlex]
for(i = 0; i < vsd->vend_num && vsd->vending[i].amount < 1; i++);
if (i == vsd->vend_num)
{
vending_closevending(vsd);
map_quit(vsd); //They have no reason to stay around anymore, do they?
}
}
}
/*==========================================
* �I�X�J��
*------------------------------------------
*/
void vending_openvending(struct map_session_data *sd,int len,char *message,int flag,unsigned char *p)
{
int i, j;
int vending_skill_lvl;
nullpo_retv(sd);
//check shopname len
if(message[0] == '\0')
return;
vending_skill_lvl = pc_checkskill(sd, MC_VENDING);
if(!vending_skill_lvl || !pc_iscarton(sd)) { // cart skill and cart check [Valaris]
clif_skill_fail(sd,MC_VENDING,0,0);
return;
}
if (flag) {
// check number of items in shop
if (len < 85 + 8 || len > 85 + 8 * MAX_VENDING || len > 85 + 8 * (2 + vending_skill_lvl)) {
clif_skill_fail(sd, MC_VENDING, 0, 0);
return;
}
for(i = 0, j = 0; (85 + 8 * j < len) && (i < MAX_VENDING); i++, j++) {
sd->vending[i].index = *(short*)(p+8*j)-2;
if (sd->vending[i].index < 0 || sd->vending[i].index >= MAX_CART ||
!itemdb_cantrade(sd->status.cart[sd->vending[i].index].nameid, pc_isGM(sd), pc_isGM(sd)))
{
i--; //Preserve the vending index, skip to the next item.
continue;
}
sd->vending[i].amount = *(short*)(p+2+8*j);
sd->vending[i].value = *(int*)(p+4+8*j);
if(sd->vending[i].value > battle_config.vending_max_value)
sd->vending[i].value=battle_config.vending_max_value;
else if(sd->vending[i].value < 1)
sd->vending[i].value = 1000000; // auto set to 1 million [celest]
// �J�[�g���̃A�C�e�����Ɣ̔�����A�C�e�����ɑ��Ⴊ�������璆�~
if(pc_cartitem_amount(sd, sd->vending[i].index, sd->vending[i].amount) < 0 || sd->vending[i].value < 0) { // fixes by Valaris and fritz
clif_skill_fail(sd, MC_VENDING, 0, 0);
return;
}
}
if (i != j)
{ //Some items were not vended. [Skotlex]
clif_displaymessage (sd->fd, msg_txt(266));
}
sd->vender_id = sd->bl.id;
sd->vend_num = i;
memcpy(sd->message,message, MESSAGE_SIZE-1);
if (clif_openvending(sd,sd->vender_id,sd->vending) > 0){
pc_stop_walking(sd,1);
clif_showvendingboard(&sd->bl,message,0);
if(use_irc && irc_announce_shop_flag)
irc_announce_shop(sd,1);
} else
sd->vender_id = 0;
}
}
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