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|
#include "trade.hpp"
// trade.cpp - Inter-player item and money transactions.
//
// Copyright © ????-2004 Athena Dev Teams
// Copyright © 2004-2011 The Mana World Development Team
// Copyright © 2011-2014 Ben Longbons <b.r.longbons@gmail.com>
//
// This file is part of The Mana World (Athena server)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "../compat/nullpo.hpp"
#include "../io/cxxstdio.hpp"
#include "battle.hpp"
#include "clif.hpp"
#include "itemdb.hpp"
#include "map.hpp"
#include "npc.hpp"
#include "pc.hpp"
#include "storage.hpp"
#include "../poison.hpp"
/*==========================================
* 取引要請を相手に送る
*------------------------------------------
*/
void trade_traderequest(dumb_ptr<map_session_data> sd, int target_id)
{
dumb_ptr<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->party_invite > 0)
{
clif_tradestart(sd, 2); // 相手はPT要請中かGuild要請中
return;
}
}
if (target_sd->npc_id)
{
//Trade fails if you are using an NPC.
clif_tradestart(sd, 2);
return;
}
if ((target_sd->trade_partner != 0) || (sd->trade_partner != 0))
{
trade_tradecancel(sd); //person is in another trade
}
else
{
if (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_key.account_id;
sd->trade_partner = target_sd->status_key.account_id;
clif_traderequest(target_sd, sd->status_key.name);
}
}
}
else
{
clif_tradestart(sd, 1); //character does not exist
}
}
/*==========================================
* 取引要請
*------------------------------------------
*/
void trade_tradeack(dumb_ptr<map_session_data> sd, int type)
{
dumb_ptr<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);
//close STORAGE window if it's open. It protects from spooffing packets [Lupus]
if (sd->state.storage_open)
storage_storageclose(sd);
}
}
/*==========================================
* アイテム追加
*------------------------------------------
*/
void trade_tradeadditem(dumb_ptr<map_session_data> sd, int index, int amount)
{
dumb_ptr<map_session_data> target_sd;
struct item_data *id;
int trade_i;
int trade_weight = 0;
int free_ = 0;
int c;
int i;
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 && amount > 0 && amount <= sd->status.zeny)
{
sd->deal_zeny = amount;
clif_tradeadditem(sd, target_sd, 0, amount);
}
}
// note: amount is overridden below!
else if (amount <= sd->status.inventory[index - 2].amount
&& amount > 0)
{
// determine free slots of receiver
for (i = 0; i < MAX_INVENTORY; i++)
{
if (target_sd->status.inventory[i].nameid == 0
&& target_sd->inventory_data[i] == NULL)
free_++;
}
for (trade_i = 0; trade_i < TRADE_MAX; trade_i++)
{
if (sd->deal_item_amount[trade_i] == 0)
{
// calculate trade weight
trade_weight +=
sd->inventory_data[index - 2]->weight * amount;
// determine if item is a stackable already in receivers inventory, and up free count
for (i = 0; i < MAX_INVENTORY; i++)
{
if (target_sd->status.inventory[i].nameid ==
sd->status.inventory[index - 2].nameid
&& target_sd->inventory_data[i] != NULL)
{
id = target_sd->inventory_data[i];
if (id->type != ItemType::WEAPON
&& id->type != ItemType::ARMOR
&& id->type != ItemType::_7
&& id->type != ItemType::_8)
{
free_++;
break;
}
}
}
if (target_sd->weight + trade_weight >
target_sd->max_weight)
{
clif_tradeitemok(sd, index, 0, 1); //fail to add item -- the player was over weighted.
amount = 0; // [MouseJstr]
}
else if (free_ <= 0)
{
clif_tradeitemok(sd, index, 0, 2); //fail to add item -- no free slots at receiver
amount = 0; // peavey
}
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;
}
}
pc_unequipinvyitem(sd, index - 2, CalcStatus::NOW);
sd->deal_item_index[trade_i] = index;
sd->deal_item_amount[trade_i] += amount;
clif_tradeitemok(sd, index, amount, 0); //success to add item
clif_tradeadditem(sd, target_sd, index, amount);
}
break;
}
else
{
// calculate weight for stored deal
trade_weight +=
sd->inventory_data[sd->deal_item_index[trade_i] -
2]->weight *
sd->deal_item_amount[trade_i];
// count free stackables in stored deal
for (i = 0; i < MAX_INVENTORY; i++)
{
if (target_sd->status.inventory[i].nameid ==
sd->status.
inventory[sd->deal_item_index[trade_i] - 2].nameid
&& target_sd->inventory_data[i] != NULL)
{
id = target_sd->inventory_data[i];
if (id->type != ItemType::WEAPON
&& id->type != ItemType::ARMOR
&& id->type != ItemType::_7
&& id->type != ItemType::_8)
{
free_++;
break;
}
}
}
}
// used a slot, but might be cancelled out by stackable checks above
free_--;
}
}
}
}
/*==========================================
* アイテム追加完了(ok押し)
*------------------------------------------
*/
void trade_tradeok(dumb_ptr<map_session_data> sd)
{
dumb_ptr<map_session_data> target_sd;
int trade_i;
nullpo_retv(sd);
for (trade_i = 0; trade_i < TRADE_MAX; trade_i++)
{
if (sd->deal_item_amount[trade_i] >
sd->status.inventory[sd->deal_item_index[trade_i] - 2].amount
|| sd->deal_item_amount[trade_i] < 0)
{
trade_tradecancel(sd);
return;
}
}
if ((target_sd = map_id2sd(sd->trade_partner)) != NULL)
{
sd->deal_locked = 1;
clif_tradeitemok(sd, 0, 0, 0);
clif_tradedeal_lock(sd, 0);
clif_tradedeal_lock(target_sd, 1);
}
}
/*==========================================
* 取引キャンセル
*------------------------------------------
*/
void trade_tradecancel(dumb_ptr<map_session_data> sd)
{
dumb_ptr<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 < TRADE_MAX; 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],
PickupFail::OKAY);
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],
PickupFail::OKAY);
target_sd->deal_item_index[trade_i] = 0;
target_sd->deal_item_amount[trade_i] = 0;
}
}
if (sd->deal_zeny)
{
sd->deal_zeny = 0;
clif_updatestatus(sd, SP::ZENY);
}
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);
}
}
/*==========================================
* 取引許諾(trade押し)
*------------------------------------------
*/
void trade_tradecommit(dumb_ptr<map_session_data> sd)
{
dumb_ptr<map_session_data> target_sd;
int trade_i;
nullpo_retv(sd);
if ((target_sd = map_id2sd(sd->trade_partner)) != NULL)
{
MAP_LOG_PC(sd, " TRADECOMMIT WITH %d GIVE %d GET %d",
target_sd->status_key.char_id, sd->deal_zeny,
target_sd->deal_zeny);
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
if (sd->deal_zeny > sd->status.zeny)
{
sd->deal_zeny = 0;
trade_tradecancel(sd);
MAP_LOG_PC(sd, " TRADECANCEL");
return;
}
if (target_sd->deal_zeny > target_sd->status.zeny)
{
target_sd->deal_zeny = 0;
trade_tradecancel(sd);
MAP_LOG_PC(sd, " TRADECANCEL");
return;
}
sd->trade_partner = 0;
target_sd->trade_partner = 0;
for (trade_i = 0; trade_i < TRADE_MAX; trade_i++)
{
if (sd->deal_item_amount[trade_i] != 0)
{
int n = sd->deal_item_index[trade_i] - 2;
PickupFail flag = pc_additem(target_sd,
&sd->status.inventory[n],
sd->deal_item_amount[trade_i]);
if (flag == PickupFail::OKAY)
pc_delitem(sd, n, sd->deal_item_amount[trade_i],
1);
else
clif_additem(sd, n,
sd->deal_item_amount[trade_i],
PickupFail::OKAY);
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;
PickupFail flag = pc_additem(sd,
&target_sd->status.inventory[n],
target_sd->deal_item_amount[trade_i]);
if (flag == PickupFail::OKAY)
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],
PickupFail::OKAY);
target_sd->deal_item_index[trade_i] = 0;
target_sd->deal_item_amount[trade_i] = 0;
}
}
if (sd->deal_zeny)
{
int deal = sd->deal_zeny;
sd->deal_zeny = 0;
sd->status.zeny -= deal;
clif_updatestatus(sd, SP::ZENY);
target_sd->status.zeny += deal;
clif_updatestatus(target_sd, SP::ZENY);
}
if (target_sd->deal_zeny)
{
int deal = target_sd->deal_zeny;
target_sd->deal_zeny = 0;
target_sd->status.zeny -= deal;
clif_updatestatus(target_sd, SP::ZENY);
sd->status.zeny += deal;
clif_updatestatus(sd, SP::ZENY);
}
sd->deal_locked = 0;
target_sd->deal_locked = 0;
clif_tradecompleted(sd, 0);
clif_tradecompleted(target_sd, 0);
MAP_LOG_PC(sd, " TRADEOK");
}
}
}
}
// This is called when a char's zeny is changed
// This helps prevent money duplication and other problems
// [Jaxad0127]
void trade_verifyzeny(dumb_ptr<map_session_data> sd)
{
dumb_ptr<map_session_data> target_sd;
nullpo_retv(sd);
if ((target_sd = map_id2sd(sd->trade_partner)) != NULL)
{
if (sd->deal_zeny > sd->status.zeny)
{
if (sd->deal_locked < 1)
trade_tradeadditem(sd, 0, sd->status.zeny); // Fix money ammount
else
trade_tradecancel(sd); // Or cancel the trade if we can't fix it
}
}
}
|
