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-rw-r--r--src/map/trade.c1106
1 files changed, 553 insertions, 553 deletions
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 <stdio.h>
-#include <string.h>
-
-#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 <stdio.h>
+#include <string.h>
+
+#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);
+ }
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-01 17:13:24 +0000