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// $Id: vending.c,v 1.2 2004/09/25 05:32:19 MouseJstr Exp $
#include <stdio.h>
#include <string.h>
#include "clif.h"
#include "itemdb.h"
#include "map.h"
#include "vending.h"
#include "pc.h"
#include "skill.h"
#include "battle.h"
#include "nullpo.h"
#include "log.h"
/*==========================================
* �I�X��
*------------------------------------------
*/
void vending_closevending(struct map_session_data *sd)
{
nullpo_retv(sd);
sd->vender_id=0;
clif_closevendingboard(&sd->bl,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, z, new = 0, blank, vend_list[12];
short amount, index;
struct map_session_data *vsd = map_id2sd(id);
nullpo_retv(sd);
blank = pc_inventoryblank(sd);
if (vsd == NULL)
return;
if (vsd->vender_id == 0)
return;
if (vsd->vender_id == sd->bl.id)
return;
for(i = 0, w = z = 0; 8 + 4 * i < len; i++) {
amount = *(short*)(p + 4 * i);
index = *(short*)(p + 2 + 4 * i) - 2;
if (amount < 0) return; // exploit
/* for(j = 0; j < vsd->vend_num; j++)
if (0 < vsd->vending[j].amount && amount <= vsd->vending[j].amount && vsd->vending[j].index == index)
break;
*/
//ADD_start
for(j = 0; j < vsd->vend_num; j++) {
if (0 < vsd->vending[j].amount && vsd->vending[j].index == index) {
if (amount > vsd->vending[j].amount || amount <= 0) {
clif_buyvending(sd,index,vsd->vending[j].amount, 4);
return;
}
if (amount <= vsd->vending[j].amount) break;
}
}
//ADD_end
if (j == vsd->vend_num)
return; // �����
vend_list[i] = j;
z += vsd->vending[j].value * amount;
if (z > sd->status.zeny){
clif_buyvending(sd, index, amount, 1);
return; // zeny�s��
}
w += itemdb_weight(vsd->status.cart[index].nameid) * amount;
if (w + sd->weight > sd->max_weight) {
clif_buyvending(sd, index, amount, 2);
return; // �d�ʒ���
}
switch(pc_checkadditem(sd, vsd->status.cart[index].nameid, amount)) {
case ADDITEM_EXIST:
break;
case ADDITEM_NEW:
new++;
if (new > blank)
return; // ��ސ�����
break;
case ADDITEM_OVERAMOUNT:
return; // �A�C�e��������
}
}
if (z < 0 || z > MAX_ZENY) { // Zeny Bug Fixed by Darkchild
clif_tradecancelled(sd);
clif_tradecancelled(vsd);
return;
}
pc_payzeny(sd, z);
pc_getzeny(vsd, z);
for(i = 0; 8 + 4 * i < len; i++) {
amount = *(short*)(p + 4 *i);
index = *(short*)(p + 2 + 4 * i) - 2;
//if (amount < 0) break; // tested at start of the function
pc_additem(sd,&vsd->status.cart[index],amount);
vsd->vending[vend_list[i]].amount -= amount;
pc_cart_delitem(vsd, index, amount, 0);
clif_vendingreport(vsd, index, amount);
//log added by Lupus
#ifndef TXT_ONLY
if(log_config.vend > 0) {
log_vend(sd,vsd, index, amount, z); // for Item + Zeny. log.
//we log ZENY only with the 1st item. Then zero it for the rest items 8).
z = 0;
}
#endif
}
}
/*==========================================
* �I�X�J��
*------------------------------------------
*/
void vending_openvending(struct map_session_data *sd,int len,char *message,int flag,unsigned char *p)
{
int i;
nullpo_retv(sd);
if(!pc_checkskill(sd,MC_VENDING) || !pc_iscarton(sd)) { // cart skill and cart check [Valaris]
clif_skill_fail(sd,MC_VENDING,0,0);
return;
}
if (flag) {
for(i = 0; (85 + 8 * i < len) && (i < MAX_VENDING); i++) {
sd->vending[i].index = *(short*)(p+8*i)-2;
sd->vending[i].amount = *(short*)(p+2+8*i);
sd->vending[i].value = *(int*)(p+4+8*i);
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 == 0)
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;
}
}
sd->vender_id = sd->bl.id;
sd->vend_num = i;
strcpy(sd->message,message);
if (clif_openvending(sd,sd->vender_id,sd->vending) > 0)
clif_showvendingboard(&sd->bl,message,0);
else
sd->vender_id = 0;
}
}
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