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#include <stdio.h>
#include <string.h>
#include "clif.h"
#include "itemdb.h"
#include "map.h"
#include "trade.h"
#include "pc.h"
#include "npc.h"
#include "battle.h"
#include "nullpo.h"
#include "log.h"
#include "chrif.h"
/*==========================================
* ����v����ɑ���
*------------------------------------------
*/
void trade_traderequest(struct map_session_data *sd,int target_id)
{
struct map_session_data *target_sd;
nullpo_retv(sd);
if((target_sd = map_id2sd(target_id)) != NULL){
if(!battle_config.invite_request_check) {
if(target_sd->guild_invite>0 || target_sd->party_invite>0){
clif_tradestart(sd,2); // �����PT�v������Guild�v����
return;
}
}
if((target_sd->trade_partner !=0) || (sd->trade_partner !=0)) {
trade_tradecancel(sd); //person is in another trade
}
else{
if((pc_isGM(sd) < 60) && (sd->bl.m != target_sd->bl.m
|| (sd->bl.x - target_sd->bl.x <= -5 || sd->bl.x - target_sd->bl.x >= 5)
|| (sd->bl.y - target_sd->bl.y <= -5 || sd->bl.y - target_sd->bl.y >= 5))) {
clif_tradestart(sd,0); //too far
}
else if(sd!=target_sd) {
target_sd->trade_partner = sd->status.account_id;
sd->trade_partner = target_sd->status.account_id;
clif_traderequest(target_sd,sd->status.name);
}
}
}
else{
clif_tradestart(sd,1); //character does not exist
}
}
/*==========================================
* ����v��
*------------------------------------------
*/
void trade_tradeack(struct map_session_data *sd,int type)
{
struct map_session_data *target_sd;
nullpo_retv(sd);
if((target_sd = map_id2sd(sd->trade_partner)) != NULL){
clif_tradestart(target_sd,type);
clif_tradestart(sd,type);
if(type == 4){ // Cancel
sd->deal_locked =0;
sd->trade_partner=0;
target_sd->deal_locked=0;
target_sd->trade_partner=0;
}
if(sd->npc_id != 0)
npc_event_dequeue(sd);
if(target_sd->npc_id != 0)
npc_event_dequeue(target_sd);
}
}
/*==========================================
* �A�C�e���lj�
*------------------------------------------
*/
void trade_tradeadditem(struct map_session_data *sd, int index, int amount)
{
struct map_session_data *target_sd;
int trade_i;
int trade_weight = 0;
int c;
nullpo_retv(sd);
if (((target_sd = map_id2sd(sd->trade_partner)) != NULL) && (sd->deal_locked < 1)){
if (index < 2 || index >= MAX_INVENTORY + 2){
if (index == 0) {
if (amount > 0 && amount <= MAX_ZENY && amount <= sd->status.zeny && // check amount
(target_sd->status.zeny + amount) <= MAX_ZENY) { // fix positiv overflow
sd->deal_zeny = amount;
clif_tradeadditem(sd, target_sd, 0, amount);
} else {
if (amount != 0) {
trade_tradecancel(sd);
return;
}
}
}
} else if (amount > 0 && amount <= sd->status.inventory[index-2].amount) {
for(trade_i = 0; trade_i < 10; trade_i++) {
if (sd->deal_item_amount[trade_i] == 0) {
trade_weight += sd->inventory_data[index-2]->weight * amount;
if (target_sd->weight + trade_weight > target_sd->max_weight){
clif_tradeitemok(sd, index, 1); // fail to add item -- the player was over weighted.
amount = 0; // [MouseJstr]
} else {
for(c = 0; c == trade_i - 1; c++) { // re-deal exploit protection [Valaris]
if (sd->deal_item_index[c] == index) {
trade_tradecancel(sd);
return;
}
}
sd->deal_item_index[trade_i] = index;
sd->deal_item_amount[trade_i] += amount;
clif_tradeitemok(sd, index, 0); // success to add item
clif_tradeadditem(sd, target_sd, index, amount);
}
break;
} else {
trade_weight += sd->inventory_data[sd->deal_item_index[trade_i]-2]->weight * sd->deal_item_amount[trade_i];
}
}
}
}
}
/*==========================================
* �A�C�e���lj�����(ok����)
*------------------------------------------
*/
void trade_tradeok(struct map_session_data *sd)
{
struct map_session_data *target_sd;
int trade_i;
nullpo_retv(sd);
// check items
for(trade_i=0;trade_i<10;trade_i++) {
int idx = sd->deal_item_index[trade_i]-2;
if(((idx >= 0) && (sd->deal_item_amount[trade_i]>sd->status.inventory[idx].amount)) || sd->deal_item_amount[trade_i]<0) {
trade_tradecancel(sd);
return;
}
}
// check zeny
if (sd->deal_zeny < 0 || sd->deal_zeny > MAX_ZENY || sd->deal_zeny > sd->status.zeny) { // check amount
trade_tradecancel(sd);
return;
}
if((target_sd = map_id2sd(sd->trade_partner)) != NULL){
sd->deal_locked=1;
clif_tradeitemok(sd,0,0);
clif_tradedeal_lock(sd,0);
clif_tradedeal_lock(target_sd,1);
}
}
/*==========================================
* ����L�����Z��
*------------------------------------------
*/
void trade_tradecancel(struct map_session_data *sd)
{
struct map_session_data *target_sd;
int trade_i;
nullpo_retv(sd);
if((target_sd = map_id2sd(sd->trade_partner)) != NULL){
for(trade_i=0; trade_i<10;trade_i++) { //give items back (only virtual)
if(sd->deal_item_amount[trade_i] != 0) {
clif_additem(sd,sd->deal_item_index[trade_i]-2,sd->deal_item_amount[trade_i],0);
sd->deal_item_index[trade_i] =0;
sd->deal_item_amount[trade_i]=0;
}
if(target_sd->deal_item_amount[trade_i] != 0) {
clif_additem(target_sd,target_sd->deal_item_index[trade_i]-2,target_sd->deal_item_amount[trade_i],0);
target_sd->deal_item_index[trade_i] =0;
target_sd->deal_item_amount[trade_i]=0;
}
}
if(sd->deal_zeny) {
clif_updatestatus(sd,SP_ZENY);
sd->deal_zeny=0;
}
if(target_sd->deal_zeny) {
clif_updatestatus(target_sd,SP_ZENY);
target_sd->deal_zeny=0;
}
sd->deal_locked =0;
sd->trade_partner=0;
target_sd->deal_locked=0;
target_sd->trade_partner=0;
clif_tradecancelled(sd);
clif_tradecancelled(target_sd);
}
}
/*==========================================
* �������(trade����)
*------------------------------------------
*/
void trade_tradecommit(struct map_session_data *sd) {
struct map_session_data *target_sd;
int trade_i;
int flag;
nullpo_retv(sd);
if ((target_sd = map_id2sd(sd->trade_partner)) != NULL) {
if ((sd->deal_locked >= 1) && (target_sd->deal_locked >= 1)) { // both have pressed 'ok'
if (sd->deal_locked < 2) {sd->deal_locked = 2;} // set locked to 2
if (target_sd->deal_locked == 2) { // the other one pressed 'trade' too
// 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
// trade is accepted
for(trade_i = 0; trade_i < 10; trade_i++) {
if (sd->deal_item_amount[trade_i] != 0) {
int n = sd->deal_item_index[trade_i] - 2;
if (sd->status.inventory[n].amount < sd->deal_item_amount[trade_i])
sd->deal_item_amount[trade_i] = sd->status.inventory[n].amount;
#ifndef TXT_ONLY
if(log_config.trade > 0)
log_trade(sd,target_sd,n,sd->deal_item_amount[trade_i]);
#endif //USE_SQL
flag = pc_additem(target_sd, &sd->status.inventory[n], sd->deal_item_amount[trade_i]);
if (flag == 0)
pc_delitem(sd, n, sd->deal_item_amount[trade_i], 1);
else
clif_additem(sd, n, sd->deal_item_amount[trade_i], 0);
sd->deal_item_index[trade_i] = 0;
sd->deal_item_amount[trade_i] = 0;
}
if (target_sd->deal_item_amount[trade_i] != 0) {
int n = target_sd->deal_item_index[trade_i] - 2;
if (target_sd->status.inventory[n].amount < target_sd->deal_item_amount[trade_i])
target_sd->deal_item_amount[trade_i] = target_sd->status.inventory[n].amount;
#ifndef TXT_ONLY
if(log_config.trade > 0)
log_trade(target_sd,sd,n,target_sd->deal_item_amount[trade_i]);
#endif //USE_SQL
flag = pc_additem(sd, &target_sd->status.inventory[n], target_sd->deal_item_amount[trade_i]);
if (flag == 0)
pc_delitem(target_sd, n, target_sd->deal_item_amount[trade_i], 1);
else
clif_additem(target_sd, n, target_sd->deal_item_amount[trade_i], 0);
target_sd->deal_item_index[trade_i] = 0;
target_sd->deal_item_amount[trade_i] = 0;
}
}
if (sd->deal_zeny) {
#ifndef TXT_ONLY
if (log_config.trade > 0 && log_config.zeny > 0)
log_zeny(sd, target_sd, sd->deal_zeny);
#endif //USE_SQL
sd->status.zeny -= sd->deal_zeny;
target_sd->status.zeny += sd->deal_zeny;
}
if (target_sd->deal_zeny) {
#ifndef TXT_ONLY
if (log_config.trade > 0 && log_config.zeny > 0)
log_zeny(target_sd, sd, sd->deal_zeny);
#endif //USE_SQL
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->deal_locked = 0;
sd->trade_partner = 0;
target_sd->deal_locked = 0;
target_sd->trade_partner = 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); // do pc_makesavestatus and save storage too
chrif_save(target_sd); // do pc_makesavestatus and save storage too
// zeny value was modified!!!! hacker with packet modified
} else {
trade_tradecancel(sd);
}
}
}
}
}
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