From 288490094a7fe9167747dc78d416940759a31197 Mon Sep 17 00:00:00 2001 From: FlavioJS Date: Tue, 5 Dec 2006 13:23:07 +0000 Subject: - Massive EOL normalization & 'svn:eol-style native' flag setting for all txt/conf/h/c files. git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@9410 54d463be-8e91-2dee-dedb-b68131a5f0ec --- src/map/trade.c | 1106 +++++++++++++++++++++++++++---------------------------- 1 file changed, 553 insertions(+), 553 deletions(-) (limited to 'src/map/trade.c') diff --git a/src/map/trade.c b/src/map/trade.c index 02eb454d3..09b07e02f 100644 --- a/src/map/trade.c +++ b/src/map/trade.c @@ -1,553 +1,553 @@ -// Copyright (c) Athena Dev Teams - Licensed under GNU GPL -// For more information, see LICENCE in the main folder - -#include -#include - -#include "../common/nullpo.h" -#include "clif.h" -#include "itemdb.h" -#include "map.h" -#include "trade.h" -#include "pc.h" -#include "npc.h" -#include "battle.h" -#include "chrif.h" -#include "storage.h" -#include "intif.h" -#include "atcommand.h" -#include "log.h" -#include "../common/malloc.h" - -//Max distance from traders to enable a trade to take place. -#define TRADE_DISTANCE 2 - -/*========================================== - * Initiates a trade request. - *------------------------------------------ - */ -void trade_traderequest(struct map_session_data *sd, struct map_session_data *target_sd) { - int level; - - nullpo_retv(sd); - - if (map[sd->bl.m].flag.notrade) { - clif_displaymessage (sd->fd, msg_txt(272)); - return; //Can't trade in notrade mapflag maps. - } - - if (target_sd == NULL || sd == target_sd) { - clif_tradestart(sd, 1); // character does not exist - return; - } - - if (!battle_config.invite_request_check) { - if (target_sd->guild_invite > 0 || target_sd->party_invite > 0) { - clif_tradestart(sd, 2); - return; - } - } - - if ((target_sd->trade_partner != 0) || (sd->trade_partner != 0)) { - trade_tradecancel(sd); // person is in another trade - return; - } - - level = pc_isGM(sd); - if ( pc_can_give_items(level) || pc_can_give_items(pc_isGM(target_sd)) ) //check if both GMs are allowed to trade - { - clif_displaymessage(sd->fd, msg_txt(246)); - trade_tradecancel(sd); // GM is not allowed to trade - return; - } - - //Fixed. Only real GMs can request trade from far away! [Lupus] - if (level < lowest_gm_level && (sd->bl.m != target_sd->bl.m || - !check_distance_bl(&sd->bl, &target_sd->bl, TRADE_DISTANCE) - )) { - clif_tradestart(sd, 0); // too far - return ; - } - - target_sd->trade_partner = sd->status.account_id; - sd->trade_partner = target_sd->status.account_id; - clif_traderequest(target_sd, sd->status.name); -} - -/*========================================== - * Reply to a trade-request. - *------------------------------------------ - */ -void trade_tradeack(struct map_session_data *sd, int type) { - struct map_session_data *target_sd; - nullpo_retv(sd); - - if (sd->state.trading || !sd->trade_partner) - return; //Already trading or no partner set. - - if ((target_sd = map_id2sd(sd->trade_partner)) == NULL) { - sd->trade_partner=0; - return; - } - - if (target_sd->state.trading || target_sd->trade_partner != sd->bl.id) - return; //Already trading or wrong partner. - - //Copied here as well since the original character could had warped. - if (type == 3 && pc_isGM(target_sd) < lowest_gm_level && (sd->bl.m != target_sd->bl.m || - !check_distance_bl(&sd->bl, &target_sd->bl, TRADE_DISTANCE) - )) { - sd->trade_partner=0; - target_sd->trade_partner = 0; - clif_tradestart(sd, 0); // too far - return; - } - - //TODO: Type 4/3? What would 1/2 and the rest do? - if (type == 4) { // Cancel - sd->state.deal_locked = 0; - sd->trade_partner = 0; - target_sd->state.deal_locked = 0; - target_sd->trade_partner = 0; - clif_tradestart(target_sd, type); - clif_tradestart(sd, type); - } - - if (type == 3) { //Initiate trade - sd->state.trading = 1; - target_sd->state.trading = 1; - malloc_set(&sd->deal, 0, sizeof(sd->deal)); - malloc_set(&target_sd->deal, 0, sizeof(target_sd->deal)); - clif_tradestart(target_sd, type); - clif_tradestart(sd, type); - if (sd->npc_id) - npc_event_dequeue(sd); - if (target_sd->npc_id) - npc_event_dequeue(target_sd); - } -} - -/*========================================== - * Check here hacker for duplicate item in trade - * normal client refuse to have 2 same types of item (except equipment) in same trade window - * normal client authorise only no equiped item and only from inventory - *------------------------------------------ - */ -int impossible_trade_check(struct map_session_data *sd) { - struct item inventory[MAX_INVENTORY]; - char message_to_gm[200]; - int i, index; - - nullpo_retr(1, sd); - - if(sd->deal.zeny > sd->status.zeny) - { - pc_setglobalreg(sd,"ZENY_HACKER",1); - return -1; - } - - // get inventory of player - memcpy(&inventory, &sd->status.inventory, sizeof(struct item) * MAX_INVENTORY); - - // remove this part: arrows can be trade and equiped - // re-added! [celest] - // remove equiped items (they can not be trade) - for (i = 0; i < MAX_INVENTORY; i++) - if (inventory[i].nameid > 0 && inventory[i].equip && !(inventory[i].equip & EQP_AMMO)) - malloc_set(&inventory[i], 0, sizeof(struct item)); - - // check items in player inventory - for(i = 0; i < 10; i++) { - if (!sd->deal.item[i].amount) - continue; - index = sd->deal.item[i].index; - if (inventory[index].amount < sd->deal.item[i].amount) - { // if more than the player have -> hack - sprintf(message_to_gm, msg_txt(538), sd->status.name, sd->status.account_id); // Hack on trade: character '%s' (account: %d) try to trade more items that he has. - intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message_to_gm); - sprintf(message_to_gm, msg_txt(539), inventory[index].amount, inventory[index].nameid, sd->deal.item[i].amount); // This player has %d of a kind of item (id: %d), and try to trade %d of them. - intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message_to_gm); - // if we block people - if (battle_config.ban_hack_trade < 0) { - chrif_char_ask_name(-1, sd->status.name, 1, 0, 0, 0, 0, 0, 0); // type: 1 - block - clif_setwaitclose(sd->fd); // forced to disconnect because of the hack - // message about the ban - sprintf(message_to_gm, msg_txt(540)); // This player has been definitivly blocked. - // if we ban people - } else if (battle_config.ban_hack_trade > 0) { - chrif_char_ask_name(-1, sd->status.name, 2, 0, 0, 0, 0, battle_config.ban_hack_trade, 0); // type: 2 - ban (year, month, day, hour, minute, second) - clif_setwaitclose(sd->fd); // forced to disconnect because of the hack - // message about the ban - sprintf(message_to_gm, msg_txt(507), battle_config.ban_hack_trade); // This player has been banned for %d minute(s). - } else - // message about the ban - sprintf(message_to_gm, msg_txt(508)); // This player hasn't been banned (Ban option is disabled). - - intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message_to_gm); - return 1; - } - inventory[index].amount -= sd->deal.item[i].amount; // remove item from inventory - } - return 0; -} - -/*========================================== - * Checks if trade is possible (against zeny limits, inventory limits, etc) - *------------------------------------------ - */ -int trade_check(struct map_session_data *sd, struct map_session_data *tsd) { - struct item inventory[MAX_INVENTORY]; - struct item inventory2[MAX_INVENTORY]; - struct item_data *data; - int trade_i, i, amount, n; - - // check zenys value against hackers (Zeny was already checked on time of adding, but you never know when you lost some zeny since then. - if(sd->deal.zeny > sd->status.zeny || (tsd->status.zeny > MAX_ZENY - sd->deal.zeny)) - return 0; - if(tsd->deal.zeny > tsd->status.zeny || (sd->status.zeny > MAX_ZENY - tsd->deal.zeny)) - return 0; - - // get inventory of player - memcpy(&inventory, &sd->status.inventory, sizeof(struct item) * MAX_INVENTORY); - memcpy(&inventory2, &tsd->status.inventory, sizeof(struct item) * MAX_INVENTORY); - - // check free slot in both inventory - for(trade_i = 0; trade_i < 10; trade_i++) { - amount = sd->deal.item[trade_i].amount; - if (amount) { - n = sd->deal.item[trade_i].index; - if (amount > inventory[n].amount) - return 0; //qty Exploit? - - data = itemdb_search(inventory[n].nameid); - i = MAX_INVENTORY; - if (itemdb_isstackable2(data)) { //Stackable item. - for(i = 0; i < MAX_INVENTORY; i++) - if (inventory2[i].nameid == inventory[n].nameid && - inventory2[i].card[0] == inventory[n].card[0] && inventory2[i].card[1] == inventory[n].card[1] && - inventory2[i].card[2] == inventory[n].card[2] && inventory2[i].card[3] == inventory[n].card[3]) { - if (inventory2[i].amount + amount > MAX_AMOUNT) - return 0; - inventory2[i].amount += amount; - inventory[n].amount -= amount; - break; - } - } - - if (i == MAX_INVENTORY) {// look for an empty slot. - for(i = 0; i < MAX_INVENTORY && inventory2[i].nameid; i++); - if (i == MAX_INVENTORY) - return 0; - memcpy(&inventory2[i], &inventory[n], sizeof(struct item)); - inventory2[i].amount = amount; - inventory[n].amount -= amount; - } - } - amount = tsd->deal.item[trade_i].amount; - if (!amount) - continue; - n = tsd->deal.item[trade_i].index; - if (amount > inventory2[n].amount) - return 0; - // search if it's possible to add item (for full inventory) - data = itemdb_search(inventory2[n].nameid); - i = MAX_INVENTORY; - if (itemdb_isstackable2(data)) { - for(i = 0; i < MAX_INVENTORY; i++) - if (inventory[i].nameid == inventory2[n].nameid && - inventory[i].card[0] == inventory2[n].card[0] && inventory[i].card[1] == inventory2[n].card[1] && - inventory[i].card[2] == inventory2[n].card[2] && inventory[i].card[3] == inventory2[n].card[3]) { - if (inventory[i].amount + amount > MAX_AMOUNT) - return 0; - inventory[i].amount += amount; - inventory2[n].amount -= amount; - break; - } - } - if (i == MAX_INVENTORY) { - for(i = 0; i < MAX_INVENTORY && inventory[i].nameid; i++); - if (i == MAX_INVENTORY) - return 0; - memcpy(&inventory[i], &inventory2[n], sizeof(struct item)); - inventory[i].amount = amount; - inventory2[n].amount -= amount; - } - } - - return 1; -} - -/*========================================== - * Adds an item/qty to the trade window [rewrite by Skotlex] - *------------------------------------------ - */ -void trade_tradeadditem(struct map_session_data *sd, int index, int amount) { - struct map_session_data *target_sd; - struct item *item; - int trade_i, trade_weight; - - nullpo_retv(sd); - if (!sd->state.trading || sd->state.deal_locked > 0) - return; //Can't add stuff. - - if ((target_sd = map_id2sd(sd->trade_partner)) == NULL) { - trade_tradecancel(sd); - return; - } - - if (amount == 0) - { //Why do this.. ~.~ just send an ack, the item won't display on the trade window. - clif_tradeitemok(sd, index, 0); - return; - } - - if (index == 0) - { //Adding Zeny - if (amount >= 0 && amount <= sd->status.zeny && // check amount - (amount <= MAX_ZENY - target_sd->status.zeny)) // fix positiv overflow - { //Check Ok - sd->deal.zeny = amount; - clif_tradeadditem(sd, target_sd, 0, amount); - } else //Send overweight when trying to add too much zeny? Hope they get the idea... - clif_tradeitemok(sd, 0, 1); - return; - } - - index = index -2; //Why the actual index used is -2? - //Item checks... - if (index < 0 || index >= MAX_INVENTORY) - return; - if (amount < 0 || amount > sd->status.inventory[index].amount) - return; - - item = &sd->status.inventory[index]; - trade_i = pc_isGM(sd); //Recycling the variables to check for trad restrict. - trade_weight = pc_isGM(target_sd); - if (!itemdb_cantrade(item, trade_i, trade_weight) && //Can't trade - (pc_get_partner(sd) != target_sd || - !itemdb_canpartnertrade(item, trade_i, trade_weight))) //Can't partner-trade - { - clif_displaymessage (sd->fd, msg_txt(260)); - return; - } - - for(trade_i = 0; trade_i < 10; trade_i++) - { //Locate a trade position - if (sd->deal.item[trade_i].index == index || - sd->deal.item[trade_i].amount == 0) - break; - } - if (trade_i >= 10) //No space left - { - clif_tradeitemok(sd, index+2, 1); - return; - } - - trade_weight = sd->inventory_data[index]->weight * amount; - if (target_sd->weight + sd->deal.weight + trade_weight > target_sd->max_weight) - { //fail to add item -- the player was over weighted. - clif_tradeitemok(sd, index+2, 1); - return; - } - - if (sd->deal.item[trade_i].index == index) - { //The same item as before is being readjusted. - if (sd->deal.item[trade_i].amount + amount > sd->status.inventory[index].amount) - { //packet deal exploit check - amount = sd->status.inventory[index].amount - sd->deal.item[trade_i].amount; - trade_weight = sd->inventory_data[index]->weight * amount; - } - sd->deal.item[trade_i].amount += amount; - } else { //New deal item - sd->deal.item[trade_i].index = index; - sd->deal.item[trade_i].amount = amount; - } - sd->deal.weight += trade_weight; - - clif_tradeitemok(sd, index+2, 0); // Return the index as it was received - clif_tradeadditem(sd, target_sd, index+2, amount); //index fix -} - -/*========================================== - * 'Ok' button on the trade window is pressed. - *------------------------------------------ - */ -void trade_tradeok(struct map_session_data *sd) { - struct map_session_data *target_sd; - - if(sd->state.deal_locked || !sd->state.trading) - return; - - if ((target_sd = map_id2sd(sd->trade_partner)) == NULL) { - trade_tradecancel(sd); - return; - } - sd->state.deal_locked = 1; - clif_tradeitemok(sd, 0, 0); - clif_tradedeal_lock(sd, 0); - clif_tradedeal_lock(target_sd, 1); -} - -/*========================================== - * 'Cancel' is pressed. (or trade was force-cancelled by the code) - *------------------------------------------ - */ -void trade_tradecancel(struct map_session_data *sd) { - struct map_session_data *target_sd; - int trade_i; - - if(!sd->state.trading) - return; - - for(trade_i = 0; trade_i < 10; trade_i++) { // give items back (only virtual) - if (!sd->deal.item[trade_i].amount) - continue; - clif_additem(sd, sd->deal.item[trade_i].index, sd->deal.item[trade_i].amount, 0); - sd->deal.item[trade_i].index = 0; - sd->deal.item[trade_i].amount = 0; - } - if (sd->deal.zeny) { - clif_updatestatus(sd, SP_ZENY); - sd->deal.zeny = 0; - } - - target_sd = map_id2sd(sd->trade_partner); - sd->state.deal_locked = 0; - sd->state.trading = 0; - sd->trade_partner = 0; - clif_tradecancelled(sd); - - if (!target_sd) - return; - - for(trade_i = 0; trade_i < 10; trade_i++) { // give items back (only virtual) - if (!target_sd->deal.item[trade_i].amount) - continue; - clif_additem(target_sd, target_sd->deal.item[trade_i].index, 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 (target_sd->deal.zeny) { - clif_updatestatus(target_sd, SP_ZENY); - target_sd->deal.zeny = 0; - } - target_sd->state.deal_locked = 0; - target_sd->trade_partner = 0; - target_sd->state.trading = 0; - clif_tradecancelled(target_sd); -} - -/*========================================== - * Žๆˆ๘‹–‘๘(trade‰Ÿ‚ต) - *------------------------------------------ - */ -void trade_tradecommit(struct map_session_data *sd) { - struct map_session_data *tsd; - int trade_i; - int flag; - - if (!sd->state.trading || !sd->state.deal_locked) //Locked should be 1 (pressed ok) before you can press trade. - return; - - if ((tsd = map_id2sd(sd->trade_partner)) == NULL) { - trade_tradecancel(sd); - return; - } - - sd->state.deal_locked = 2; - - if (tsd->state.deal_locked < 2) - return; //Not yet time for trading. - - //Now is a good time (to save on resources) to check that the trade can indeed be made and it's not exploitable. - // 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(tsd)) { - trade_tradecancel(tsd); - return; - } - // check for full inventory (can not add traded items) - if (!trade_check(sd,tsd)) { // check the both players - trade_tradecancel(sd); - return; - } - - // trade is accepted and correct. - for(trade_i = 0; trade_i < 10; trade_i++) { - int n; - if (sd->deal.item[trade_i].amount) { - n = sd->deal.item[trade_i].index; - - flag = pc_additem(tsd, &sd->status.inventory[n], sd->deal.item[trade_i].amount); - if (flag == 0) { - //Logs (T)rade [Lupus] - if(log_config.enable_logs&0x2) { - log_pick_pc(sd, "T", sd->status.inventory[n].nameid, -(sd->deal.item[trade_i].amount), &sd->status.inventory[n]); - log_pick_pc(tsd, "T", 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 (tsd->deal.item[trade_i].amount) { - n = tsd->deal.item[trade_i].index; - - flag = pc_additem(sd, &tsd->status.inventory[n], tsd->deal.item[trade_i].amount); - if (flag == 0) { - //Logs (T)rade [Lupus] - if(log_config.enable_logs&0x2) { - log_pick_pc(tsd, "T", tsd->status.inventory[n].nameid, -(tsd->deal.item[trade_i].amount), &tsd->status.inventory[n]); - log_pick_pc(sd, "T", tsd->status.inventory[n].nameid, tsd->deal.item[trade_i].amount, &tsd->status.inventory[n]); - } - //Logs - pc_delitem(tsd, n, tsd->deal.item[trade_i].amount, 1); - } else - clif_additem(tsd, n, tsd->deal.item[trade_i].amount, 0); - tsd->deal.item[trade_i].index = 0; - tsd->deal.item[trade_i].amount = 0; - } - } - if (sd->deal.zeny || tsd->deal.zeny) { - if (sd->deal.zeny) { - sd->status.zeny -= sd->deal.zeny; - tsd->status.zeny += sd->deal.zeny; - if (log_config.zeny) - log_zeny(tsd, "T", sd, sd->deal.zeny);//Logs Zeny (T)rade [Lupus] - sd->deal.zeny = 0; - } - if (tsd->deal.zeny) { - tsd->status.zeny -= tsd->deal.zeny; - sd->status.zeny += tsd->deal.zeny; - if (log_config.zeny) - log_zeny(sd, "T", tsd, tsd->deal.zeny);//Logs Zeny (T)rade [Lupus] - tsd->deal.zeny = 0; - } - clif_updatestatus(sd, SP_ZENY); - clif_updatestatus(tsd, SP_ZENY); - } - - sd->state.deal_locked = 0; - sd->trade_partner = 0; - sd->state.trading = 0; - - tsd->state.deal_locked = 0; - tsd->trade_partner = 0; - tsd->state.trading = 0; - - clif_tradecompleted(sd, 0); - clif_tradecompleted(tsd, 0); - // save both player to avoid crash: they always have no advantage/disadvantage between the 2 players - if (save_settings&1) - { - chrif_save(sd,0); - chrif_save(tsd,0); - } -} +// Copyright (c) Athena Dev Teams - Licensed under GNU GPL +// For more information, see LICENCE in the main folder + +#include +#include + +#include "../common/nullpo.h" +#include "clif.h" +#include "itemdb.h" +#include "map.h" +#include "trade.h" +#include "pc.h" +#include "npc.h" +#include "battle.h" +#include "chrif.h" +#include "storage.h" +#include "intif.h" +#include "atcommand.h" +#include "log.h" +#include "../common/malloc.h" + +//Max distance from traders to enable a trade to take place. +#define TRADE_DISTANCE 2 + +/*========================================== + * Initiates a trade request. + *------------------------------------------ + */ +void trade_traderequest(struct map_session_data *sd, struct map_session_data *target_sd) { + int level; + + nullpo_retv(sd); + + if (map[sd->bl.m].flag.notrade) { + clif_displaymessage (sd->fd, msg_txt(272)); + return; //Can't trade in notrade mapflag maps. + } + + if (target_sd == NULL || sd == target_sd) { + clif_tradestart(sd, 1); // character does not exist + return; + } + + if (!battle_config.invite_request_check) { + if (target_sd->guild_invite > 0 || target_sd->party_invite > 0) { + clif_tradestart(sd, 2); + return; + } + } + + if ((target_sd->trade_partner != 0) || (sd->trade_partner != 0)) { + trade_tradecancel(sd); // person is in another trade + return; + } + + level = pc_isGM(sd); + if ( pc_can_give_items(level) || pc_can_give_items(pc_isGM(target_sd)) ) //check if both GMs are allowed to trade + { + clif_displaymessage(sd->fd, msg_txt(246)); + trade_tradecancel(sd); // GM is not allowed to trade + return; + } + + //Fixed. Only real GMs can request trade from far away! [Lupus] + if (level < lowest_gm_level && (sd->bl.m != target_sd->bl.m || + !check_distance_bl(&sd->bl, &target_sd->bl, TRADE_DISTANCE) + )) { + clif_tradestart(sd, 0); // too far + return ; + } + + target_sd->trade_partner = sd->status.account_id; + sd->trade_partner = target_sd->status.account_id; + clif_traderequest(target_sd, sd->status.name); +} + +/*========================================== + * Reply to a trade-request. + *------------------------------------------ + */ +void trade_tradeack(struct map_session_data *sd, int type) { + struct map_session_data *target_sd; + nullpo_retv(sd); + + if (sd->state.trading || !sd->trade_partner) + return; //Already trading or no partner set. + + if ((target_sd = map_id2sd(sd->trade_partner)) == NULL) { + sd->trade_partner=0; + return; + } + + if (target_sd->state.trading || target_sd->trade_partner != sd->bl.id) + return; //Already trading or wrong partner. + + //Copied here as well since the original character could had warped. + if (type == 3 && pc_isGM(target_sd) < lowest_gm_level && (sd->bl.m != target_sd->bl.m || + !check_distance_bl(&sd->bl, &target_sd->bl, TRADE_DISTANCE) + )) { + sd->trade_partner=0; + target_sd->trade_partner = 0; + clif_tradestart(sd, 0); // too far + return; + } + + //TODO: Type 4/3? What would 1/2 and the rest do? + if (type == 4) { // Cancel + sd->state.deal_locked = 0; + sd->trade_partner = 0; + target_sd->state.deal_locked = 0; + target_sd->trade_partner = 0; + clif_tradestart(target_sd, type); + clif_tradestart(sd, type); + } + + if (type == 3) { //Initiate trade + sd->state.trading = 1; + target_sd->state.trading = 1; + malloc_set(&sd->deal, 0, sizeof(sd->deal)); + malloc_set(&target_sd->deal, 0, sizeof(target_sd->deal)); + clif_tradestart(target_sd, type); + clif_tradestart(sd, type); + if (sd->npc_id) + npc_event_dequeue(sd); + if (target_sd->npc_id) + npc_event_dequeue(target_sd); + } +} + +/*========================================== + * Check here hacker for duplicate item in trade + * normal client refuse to have 2 same types of item (except equipment) in same trade window + * normal client authorise only no equiped item and only from inventory + *------------------------------------------ + */ +int impossible_trade_check(struct map_session_data *sd) { + struct item inventory[MAX_INVENTORY]; + char message_to_gm[200]; + int i, index; + + nullpo_retr(1, sd); + + if(sd->deal.zeny > sd->status.zeny) + { + pc_setglobalreg(sd,"ZENY_HACKER",1); + return -1; + } + + // get inventory of player + memcpy(&inventory, &sd->status.inventory, sizeof(struct item) * MAX_INVENTORY); + + // remove this part: arrows can be trade and equiped + // re-added! [celest] + // remove equiped items (they can not be trade) + for (i = 0; i < MAX_INVENTORY; i++) + if (inventory[i].nameid > 0 && inventory[i].equip && !(inventory[i].equip & EQP_AMMO)) + malloc_set(&inventory[i], 0, sizeof(struct item)); + + // check items in player inventory + for(i = 0; i < 10; i++) { + if (!sd->deal.item[i].amount) + continue; + index = sd->deal.item[i].index; + if (inventory[index].amount < sd->deal.item[i].amount) + { // if more than the player have -> hack + sprintf(message_to_gm, msg_txt(538), sd->status.name, sd->status.account_id); // Hack on trade: character '%s' (account: %d) try to trade more items that he has. + intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message_to_gm); + sprintf(message_to_gm, msg_txt(539), inventory[index].amount, inventory[index].nameid, sd->deal.item[i].amount); // This player has %d of a kind of item (id: %d), and try to trade %d of them. + intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message_to_gm); + // if we block people + if (battle_config.ban_hack_trade < 0) { + chrif_char_ask_name(-1, sd->status.name, 1, 0, 0, 0, 0, 0, 0); // type: 1 - block + clif_setwaitclose(sd->fd); // forced to disconnect because of the hack + // message about the ban + sprintf(message_to_gm, msg_txt(540)); // This player has been definitivly blocked. + // if we ban people + } else if (battle_config.ban_hack_trade > 0) { + chrif_char_ask_name(-1, sd->status.name, 2, 0, 0, 0, 0, battle_config.ban_hack_trade, 0); // type: 2 - ban (year, month, day, hour, minute, second) + clif_setwaitclose(sd->fd); // forced to disconnect because of the hack + // message about the ban + sprintf(message_to_gm, msg_txt(507), battle_config.ban_hack_trade); // This player has been banned for %d minute(s). + } else + // message about the ban + sprintf(message_to_gm, msg_txt(508)); // This player hasn't been banned (Ban option is disabled). + + intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message_to_gm); + return 1; + } + inventory[index].amount -= sd->deal.item[i].amount; // remove item from inventory + } + return 0; +} + +/*========================================== + * Checks if trade is possible (against zeny limits, inventory limits, etc) + *------------------------------------------ + */ +int trade_check(struct map_session_data *sd, struct map_session_data *tsd) { + struct item inventory[MAX_INVENTORY]; + struct item inventory2[MAX_INVENTORY]; + struct item_data *data; + int trade_i, i, amount, n; + + // check zenys value against hackers (Zeny was already checked on time of adding, but you never know when you lost some zeny since then. + if(sd->deal.zeny > sd->status.zeny || (tsd->status.zeny > MAX_ZENY - sd->deal.zeny)) + return 0; + if(tsd->deal.zeny > tsd->status.zeny || (sd->status.zeny > MAX_ZENY - tsd->deal.zeny)) + return 0; + + // get inventory of player + memcpy(&inventory, &sd->status.inventory, sizeof(struct item) * MAX_INVENTORY); + memcpy(&inventory2, &tsd->status.inventory, sizeof(struct item) * MAX_INVENTORY); + + // check free slot in both inventory + for(trade_i = 0; trade_i < 10; trade_i++) { + amount = sd->deal.item[trade_i].amount; + if (amount) { + n = sd->deal.item[trade_i].index; + if (amount > inventory[n].amount) + return 0; //qty Exploit? + + data = itemdb_search(inventory[n].nameid); + i = MAX_INVENTORY; + if (itemdb_isstackable2(data)) { //Stackable item. + for(i = 0; i < MAX_INVENTORY; i++) + if (inventory2[i].nameid == inventory[n].nameid && + inventory2[i].card[0] == inventory[n].card[0] && inventory2[i].card[1] == inventory[n].card[1] && + inventory2[i].card[2] == inventory[n].card[2] && inventory2[i].card[3] == inventory[n].card[3]) { + if (inventory2[i].amount + amount > MAX_AMOUNT) + return 0; + inventory2[i].amount += amount; + inventory[n].amount -= amount; + break; + } + } + + if (i == MAX_INVENTORY) {// look for an empty slot. + for(i = 0; i < MAX_INVENTORY && inventory2[i].nameid; i++); + if (i == MAX_INVENTORY) + return 0; + memcpy(&inventory2[i], &inventory[n], sizeof(struct item)); + inventory2[i].amount = amount; + inventory[n].amount -= amount; + } + } + amount = tsd->deal.item[trade_i].amount; + if (!amount) + continue; + n = tsd->deal.item[trade_i].index; + if (amount > inventory2[n].amount) + return 0; + // search if it's possible to add item (for full inventory) + data = itemdb_search(inventory2[n].nameid); + i = MAX_INVENTORY; + if (itemdb_isstackable2(data)) { + for(i = 0; i < MAX_INVENTORY; i++) + if (inventory[i].nameid == inventory2[n].nameid && + inventory[i].card[0] == inventory2[n].card[0] && inventory[i].card[1] == inventory2[n].card[1] && + inventory[i].card[2] == inventory2[n].card[2] && inventory[i].card[3] == inventory2[n].card[3]) { + if (inventory[i].amount + amount > MAX_AMOUNT) + return 0; + inventory[i].amount += amount; + inventory2[n].amount -= amount; + break; + } + } + if (i == MAX_INVENTORY) { + for(i = 0; i < MAX_INVENTORY && inventory[i].nameid; i++); + if (i == MAX_INVENTORY) + return 0; + memcpy(&inventory[i], &inventory2[n], sizeof(struct item)); + inventory[i].amount = amount; + inventory2[n].amount -= amount; + } + } + + return 1; +} + +/*========================================== + * Adds an item/qty to the trade window [rewrite by Skotlex] + *------------------------------------------ + */ +void trade_tradeadditem(struct map_session_data *sd, int index, int amount) { + struct map_session_data *target_sd; + struct item *item; + int trade_i, trade_weight; + + nullpo_retv(sd); + if (!sd->state.trading || sd->state.deal_locked > 0) + return; //Can't add stuff. + + if ((target_sd = map_id2sd(sd->trade_partner)) == NULL) { + trade_tradecancel(sd); + return; + } + + if (amount == 0) + { //Why do this.. ~.~ just send an ack, the item won't display on the trade window. + clif_tradeitemok(sd, index, 0); + return; + } + + if (index == 0) + { //Adding Zeny + if (amount >= 0 && amount <= sd->status.zeny && // check amount + (amount <= MAX_ZENY - target_sd->status.zeny)) // fix positiv overflow + { //Check Ok + sd->deal.zeny = amount; + clif_tradeadditem(sd, target_sd, 0, amount); + } else //Send overweight when trying to add too much zeny? Hope they get the idea... + clif_tradeitemok(sd, 0, 1); + return; + } + + index = index -2; //Why the actual index used is -2? + //Item checks... + if (index < 0 || index >= MAX_INVENTORY) + return; + if (amount < 0 || amount > sd->status.inventory[index].amount) + return; + + item = &sd->status.inventory[index]; + trade_i = pc_isGM(sd); //Recycling the variables to check for trad restrict. + trade_weight = pc_isGM(target_sd); + if (!itemdb_cantrade(item, trade_i, trade_weight) && //Can't trade + (pc_get_partner(sd) != target_sd || + !itemdb_canpartnertrade(item, trade_i, trade_weight))) //Can't partner-trade + { + clif_displaymessage (sd->fd, msg_txt(260)); + return; + } + + for(trade_i = 0; trade_i < 10; trade_i++) + { //Locate a trade position + if (sd->deal.item[trade_i].index == index || + sd->deal.item[trade_i].amount == 0) + break; + } + if (trade_i >= 10) //No space left + { + clif_tradeitemok(sd, index+2, 1); + return; + } + + trade_weight = sd->inventory_data[index]->weight * amount; + if (target_sd->weight + sd->deal.weight + trade_weight > target_sd->max_weight) + { //fail to add item -- the player was over weighted. + clif_tradeitemok(sd, index+2, 1); + return; + } + + if (sd->deal.item[trade_i].index == index) + { //The same item as before is being readjusted. + if (sd->deal.item[trade_i].amount + amount > sd->status.inventory[index].amount) + { //packet deal exploit check + amount = sd->status.inventory[index].amount - sd->deal.item[trade_i].amount; + trade_weight = sd->inventory_data[index]->weight * amount; + } + sd->deal.item[trade_i].amount += amount; + } else { //New deal item + sd->deal.item[trade_i].index = index; + sd->deal.item[trade_i].amount = amount; + } + sd->deal.weight += trade_weight; + + clif_tradeitemok(sd, index+2, 0); // Return the index as it was received + clif_tradeadditem(sd, target_sd, index+2, amount); //index fix +} + +/*========================================== + * 'Ok' button on the trade window is pressed. + *------------------------------------------ + */ +void trade_tradeok(struct map_session_data *sd) { + struct map_session_data *target_sd; + + if(sd->state.deal_locked || !sd->state.trading) + return; + + if ((target_sd = map_id2sd(sd->trade_partner)) == NULL) { + trade_tradecancel(sd); + return; + } + sd->state.deal_locked = 1; + clif_tradeitemok(sd, 0, 0); + clif_tradedeal_lock(sd, 0); + clif_tradedeal_lock(target_sd, 1); +} + +/*========================================== + * 'Cancel' is pressed. (or trade was force-cancelled by the code) + *------------------------------------------ + */ +void trade_tradecancel(struct map_session_data *sd) { + struct map_session_data *target_sd; + int trade_i; + + if(!sd->state.trading) + return; + + for(trade_i = 0; trade_i < 10; trade_i++) { // give items back (only virtual) + if (!sd->deal.item[trade_i].amount) + continue; + clif_additem(sd, sd->deal.item[trade_i].index, sd->deal.item[trade_i].amount, 0); + sd->deal.item[trade_i].index = 0; + sd->deal.item[trade_i].amount = 0; + } + if (sd->deal.zeny) { + clif_updatestatus(sd, SP_ZENY); + sd->deal.zeny = 0; + } + + target_sd = map_id2sd(sd->trade_partner); + sd->state.deal_locked = 0; + sd->state.trading = 0; + sd->trade_partner = 0; + clif_tradecancelled(sd); + + if (!target_sd) + return; + + for(trade_i = 0; trade_i < 10; trade_i++) { // give items back (only virtual) + if (!target_sd->deal.item[trade_i].amount) + continue; + clif_additem(target_sd, target_sd->deal.item[trade_i].index, 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 (target_sd->deal.zeny) { + clif_updatestatus(target_sd, SP_ZENY); + target_sd->deal.zeny = 0; + } + target_sd->state.deal_locked = 0; + target_sd->trade_partner = 0; + target_sd->state.trading = 0; + clif_tradecancelled(target_sd); +} + +/*========================================== + * Žๆˆ๘‹–‘๘(trade‰Ÿ‚ต) + *------------------------------------------ + */ +void trade_tradecommit(struct map_session_data *sd) { + struct map_session_data *tsd; + int trade_i; + int flag; + + if (!sd->state.trading || !sd->state.deal_locked) //Locked should be 1 (pressed ok) before you can press trade. + return; + + if ((tsd = map_id2sd(sd->trade_partner)) == NULL) { + trade_tradecancel(sd); + return; + } + + sd->state.deal_locked = 2; + + if (tsd->state.deal_locked < 2) + return; //Not yet time for trading. + + //Now is a good time (to save on resources) to check that the trade can indeed be made and it's not exploitable. + // 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(tsd)) { + trade_tradecancel(tsd); + return; + } + // check for full inventory (can not add traded items) + if (!trade_check(sd,tsd)) { // check the both players + trade_tradecancel(sd); + return; + } + + // trade is accepted and correct. + for(trade_i = 0; trade_i < 10; trade_i++) { + int n; + if (sd->deal.item[trade_i].amount) { + n = sd->deal.item[trade_i].index; + + flag = pc_additem(tsd, &sd->status.inventory[n], sd->deal.item[trade_i].amount); + if (flag == 0) { + //Logs (T)rade [Lupus] + if(log_config.enable_logs&0x2) { + log_pick_pc(sd, "T", sd->status.inventory[n].nameid, -(sd->deal.item[trade_i].amount), &sd->status.inventory[n]); + log_pick_pc(tsd, "T", 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 (tsd->deal.item[trade_i].amount) { + n = tsd->deal.item[trade_i].index; + + flag = pc_additem(sd, &tsd->status.inventory[n], tsd->deal.item[trade_i].amount); + if (flag == 0) { + //Logs (T)rade [Lupus] + if(log_config.enable_logs&0x2) { + log_pick_pc(tsd, "T", tsd->status.inventory[n].nameid, -(tsd->deal.item[trade_i].amount), &tsd->status.inventory[n]); + log_pick_pc(sd, "T", tsd->status.inventory[n].nameid, tsd->deal.item[trade_i].amount, &tsd->status.inventory[n]); + } + //Logs + pc_delitem(tsd, n, tsd->deal.item[trade_i].amount, 1); + } else + clif_additem(tsd, n, tsd->deal.item[trade_i].amount, 0); + tsd->deal.item[trade_i].index = 0; + tsd->deal.item[trade_i].amount = 0; + } + } + if (sd->deal.zeny || tsd->deal.zeny) { + if (sd->deal.zeny) { + sd->status.zeny -= sd->deal.zeny; + tsd->status.zeny += sd->deal.zeny; + if (log_config.zeny) + log_zeny(tsd, "T", sd, sd->deal.zeny);//Logs Zeny (T)rade [Lupus] + sd->deal.zeny = 0; + } + if (tsd->deal.zeny) { + tsd->status.zeny -= tsd->deal.zeny; + sd->status.zeny += tsd->deal.zeny; + if (log_config.zeny) + log_zeny(sd, "T", tsd, tsd->deal.zeny);//Logs Zeny (T)rade [Lupus] + tsd->deal.zeny = 0; + } + clif_updatestatus(sd, SP_ZENY); + clif_updatestatus(tsd, SP_ZENY); + } + + sd->state.deal_locked = 0; + sd->trade_partner = 0; + sd->state.trading = 0; + + tsd->state.deal_locked = 0; + tsd->trade_partner = 0; + tsd->state.trading = 0; + + clif_tradecompleted(sd, 0); + clif_tradecompleted(tsd, 0); + // save both player to avoid crash: they always have no advantage/disadvantage between the 2 players + if (save_settings&1) + { + chrif_save(sd,0); + chrif_save(tsd,0); + } +} -- cgit v1.2.3-60-g2f50