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[refactor] Split ItemManager.cpp into Vendor.cpp & Trading.cpp

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- added sources to Makefile
- Added Trading::init() to main.cpp
This commit is contained in:
CPunch 2021-03-12 20:09:36 -06:00
parent ce197d7db3
commit e92a5a2f8b
10 changed files with 553 additions and 543 deletions
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4
Makefile
View File

@ -54,6 +54,8 @@ CXXSRC=\
src/GroupManager.cpp\
src/Monitor.cpp\
src/RacingManager.cpp\
src/Vendor.cpp\
src/Trading.cpp\
# headers (for timestamp purposes)
CHDR=\
@ -95,6 +97,8 @@ CXXHDR=\
src/GroupManager.hpp\
src/Monitor.hpp\
src/RacingManager.hpp\
src/Vendor.hpp\
src/Trading.hpp\
COBJ=$(CSRC:.c=.o)
CXXOBJ=$(CXXSRC:.cpp=.o)

604
src/ItemManager.cpp
View File

@ -10,7 +10,6 @@
#include <assert.h>
std::map<std::pair<int32_t, int32_t>, ItemManager::Item> ItemManager::ItemData;
std::map<int32_t, std::vector<VendorListing>> ItemManager::VendorTables;
std::map<int32_t, CrocPotEntry> ItemManager::CrocPotTable;
std::map<int32_t, std::vector<int>> ItemManager::RarityRatios;
std::map<int32_t, Crate> ItemManager::Crates;
@ -20,28 +19,62 @@ std::map<std::string, std::vector<std::pair<int32_t, int32_t>>> ItemManager::Cod
#ifdef ACADEMY
std::map<int32_t, int32_t> ItemManager::NanoCapsules; // crate id -> nano id
void nanoCapsuleHandler(CNSocket* sock, int slot, sItemBase *chest) {
Player* plr = PlayerManager::getPlayer(sock);
int32_t nanoId = ItemManager::NanoCapsules[chest->iID];
// chest opening acknowledgement packet
INITSTRUCT(sP_FE2CL_REP_ITEM_CHEST_OPEN_SUCC, resp);
resp.iSlotNum = slot;
// in order to remove capsule form inventory, we have to send item reward packet with empty item
const size_t resplen = sizeof(sP_FE2CL_REP_REWARD_ITEM) + sizeof(sItemReward);
assert(resplen < CN_PACKET_BUFFER_SIZE - 8);
// we know it's only one trailing struct, so we can skip full validation
uint8_t respbuf[resplen]; // not a variable length array, don't worry
sP_FE2CL_REP_REWARD_ITEM* reward = (sP_FE2CL_REP_REWARD_ITEM*)respbuf;
sItemReward* item = (sItemReward*)(respbuf + sizeof(sP_FE2CL_REP_REWARD_ITEM));
// don't forget to zero the buffer!
memset(respbuf, 0, resplen);
// maintain stats
reward->m_iCandy = plr->money;
reward->m_iFusionMatter = plr->fusionmatter;
reward->iFatigue = 100; // prevents warning message
reward->iFatigue_Level = 1;
reward->iItemCnt = 1; // remember to update resplen if you change this
reward->m_iBatteryN = plr->batteryN;
reward->m_iBatteryW = plr->batteryW;
item->iSlotNum = slot;
item->eIL = 1;
// update player serverside
plr->Inven[slot] = item->sItem;
// transmit item
sock->sendPacket((void*)respbuf, P_FE2CL_REP_REWARD_ITEM, resplen);
// transmit chest opening acknowledgement packet
sock->sendPacket((void*)&resp, P_FE2CL_REP_ITEM_CHEST_OPEN_SUCC, sizeof(sP_FE2CL_REP_ITEM_CHEST_OPEN_SUCC));
// check if player doesn't already have this nano
if (plr->Nanos[nanoId].iID != 0) {
INITSTRUCT(sP_FE2CL_GM_REP_PC_ANNOUNCE, msg);
msg.iDuringTime = 4;
std::string text = "You have already aquired this nano!";
U8toU16(text, msg.szAnnounceMsg, sizeof(text));
sock->sendPacket((void*)&msg, P_FE2CL_GM_REP_PC_ANNOUNCE, sizeof(sP_FE2CL_GM_REP_PC_ANNOUNCE));
return;
}
NanoManager::addNano(sock, nanoId, -1, false);
}
#endif
void ItemManager::init() {
REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_MOVE, itemMoveHandler);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_ITEM_DELETE, itemDeleteHandler);
// this one is for gumballs
REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_USE, itemUseHandler);
// Bank
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_BANK_OPEN, itemBankOpenHandler);
// Trade handlers
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER, tradeOffer);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT, tradeOfferAccept);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL, tradeOfferRefusal);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM, tradeConfirm);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL, tradeConfirmCancel);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_REGISTER, tradeRegisterItem);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER, tradeUnregisterItem);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CASH_REGISTER, tradeRegisterCash);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_CHEST_OPEN, chestOpenHandler);
}
void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
void itemMoveHandler(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_ITEM_MOVE))
return; // ignore the malformed packet
@ -62,20 +95,20 @@ void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
// get the fromItem
sItemBase *fromItem;
switch ((SlotType)itemmove->eFrom) {
case SlotType::EQUIP:
switch ((ItemManager::SlotType)itemmove->eFrom) {
case ItemManager::SlotType::EQUIP:
if (itemmove->iFromSlotNum >= AEQUIP_COUNT)
return;
fromItem = &plr->Equip[itemmove->iFromSlotNum];
break;
case SlotType::INVENTORY:
case ItemManager::SlotType::INVENTORY:
if (itemmove->iFromSlotNum >= AINVEN_COUNT)
return;
fromItem = &plr->Inven[itemmove->iFromSlotNum];
break;
case SlotType::BANK:
case ItemManager::SlotType::BANK:
if (itemmove->iFromSlotNum >= ABANK_COUNT)
return;
@ -88,20 +121,20 @@ void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
// get the toItem
sItemBase* toItem;
switch ((SlotType)itemmove->eTo) {
case SlotType::EQUIP:
switch ((ItemManager::SlotType)itemmove->eTo) {
case ItemManager::SlotType::EQUIP:
if (itemmove->iToSlotNum >= AEQUIP_COUNT)
return;
toItem = &plr->Equip[itemmove->iToSlotNum];
break;
case SlotType::INVENTORY:
case ItemManager::SlotType::INVENTORY:
if (itemmove->iToSlotNum >= AINVEN_COUNT)
return;
toItem = &plr->Inven[itemmove->iToSlotNum];
break;
case SlotType::BANK:
case ItemManager::SlotType::BANK:
if (itemmove->iToSlotNum >= ABANK_COUNT)
return;
@ -113,7 +146,7 @@ void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
}
// if equipping an item, validate that it's of the correct type for the slot
if ((SlotType)itemmove->eTo == SlotType::EQUIP) {
if ((ItemManager::SlotType)itemmove->eTo == ItemManager::SlotType::EQUIP) {
if (fromItem->iType == 10 && itemmove->iToSlotNum != 8)
return; // vehicle in wrong slot
else if (fromItem->iType != 10
@ -131,8 +164,8 @@ void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
resp.FromSlotItem = *fromItem;
// swap/stack items in session
Item* itemDat = getItemData(toItem->iID, toItem->iType);
Item* itemDatFrom = getItemData(fromItem->iID, fromItem->iType);
ItemManager::Item* itemDat = ItemManager::getItemData(toItem->iID, toItem->iType);
ItemManager::Item* itemDatFrom = ItemManager::getItemData(fromItem->iID, fromItem->iType);
if (itemDat != nullptr && itemDatFrom != nullptr && itemDat->stackSize > 1 && itemDat == itemDatFrom && fromItem->iOpt < itemDat->stackSize && toItem->iOpt < itemDat->stackSize) {
// items are stackable, identical, and not maxed, so run stacking logic
@ -165,11 +198,11 @@ void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
}
// send equip change to viewable players
if (itemmove->eFrom == (int)SlotType::EQUIP || itemmove->eTo == (int)SlotType::EQUIP) {
if (itemmove->eFrom == (int)ItemManager::SlotType::EQUIP || itemmove->eTo == (int)ItemManager::SlotType::EQUIP) {
INITSTRUCT(sP_FE2CL_PC_EQUIP_CHANGE, equipChange);
equipChange.iPC_ID = plr->iID;
if (itemmove->eTo == (int)SlotType::EQUIP) {
if (itemmove->eTo == (int)ItemManager::SlotType::EQUIP) {
equipChange.iEquipSlotNum = itemmove->iToSlotNum;
equipChange.EquipSlotItem = resp.FromSlotItem;
} else {
@ -185,14 +218,14 @@ void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
PlayerManager::sendToViewable(sock, (void*)&equipChange, P_FE2CL_PC_EQUIP_CHANGE, sizeof(sP_FE2CL_PC_EQUIP_CHANGE));
// set equipment stats serverside
setItemStats(plr);
ItemManager::setItemStats(plr);
}
// send response
sock->sendPacket((void*)&resp, P_FE2CL_PC_ITEM_MOVE_SUCC, sizeof(sP_FE2CL_PC_ITEM_MOVE_SUCC));
}
void ItemManager::itemDeleteHandler(CNSocket* sock, CNPacketData* data) {
void itemDeleteHandler(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_ITEM_DELETE))
return; // ignore the malformed packet
@ -212,7 +245,7 @@ void ItemManager::itemDeleteHandler(CNSocket* sock, CNPacketData* data) {
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_ITEM_DELETE_SUCC, sizeof(sP_FE2CL_REP_PC_ITEM_DELETE_SUCC));
}
void ItemManager::itemUseHandler(CNSocket* sock, CNPacketData* data) {
void itemUseHandler(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_ITEM_USE))
return; // ignore the malformed packet
sP_CL2FE_REQ_ITEM_USE* request = (sP_CL2FE_REQ_ITEM_USE*)data->buf;
@ -295,7 +328,7 @@ void ItemManager::itemUseHandler(CNSocket* sock, CNPacketData* data) {
NPCManager::EggBuffs[key] = until;
}
void ItemManager::itemBankOpenHandler(CNSocket* sock, CNPacketData* data) {
void itemBankOpenHandler(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_BANK_OPEN))
return; // ignore the malformed packet
@ -310,425 +343,7 @@ void ItemManager::itemBankOpenHandler(CNSocket* sock, CNPacketData* data) {
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_BANK_OPEN_SUCC, sizeof(sP_FE2CL_REP_PC_BANK_OPEN_SUCC));
}
void ItemManager::tradeOffer(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER*)data->buf;
CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(otherSock);
if (plr->isTrading) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_To;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
return; // prevent trading with a player already trading
}
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER));
}
void ItemManager::tradeOfferAccept(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT*)data->buf;
CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock);
if (plr2->isTrading) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_From;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
return; // prevent trading with a player already trading
}
// clearing up trade slots
plr->moneyInTrade = 0;
plr2->moneyInTrade = 0;
memset(&plr->Trade, 0, sizeof(plr->Trade));
memset(&plr2->Trade, 0, sizeof(plr2->Trade));
// marking players as traders
plr->isTrading = true;
plr2->isTrading = true;
// marking players as unconfirmed
plr->isTradeConfirm = false;
plr2->isTradeConfirm = false;
// inform the other player that offer is accepted
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
}
void ItemManager::tradeOfferRefusal(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL*)data->buf;
CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
}
void ItemManager::tradeConfirm(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CONFIRM* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM*)data->buf;
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock);
if (!(plr->isTrading && plr2->isTrading)) { // both players must be trading
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
resp.iID_Request = plr2->iID;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
resp.iID_Request = plr->iID;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
return;
}
// send the confirm packet
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
if (!(plr2->isTradeConfirm)) {
plr->isTradeConfirm = true;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
return;
}
// both players are no longer trading
plr->isTrading = false;
plr2->isTrading = false;
plr->isTradeConfirm = false;
plr2->isTradeConfirm = false;
if (doTrade(plr, plr2)) { // returns false if not enough slots
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, resp2);
resp2.iID_Request = pacdat->iID_Request;
resp2.iID_From = pacdat->iID_From;
resp2.iID_To = pacdat->iID_To;
plr->money = plr->money + plr2->moneyInTrade - plr->moneyInTrade;
resp2.iCandy = plr->money;
memcpy(resp2.Item, plr2->Trade, sizeof(plr2->Trade));
memcpy(resp2.ItemStay, plr->Trade, sizeof(plr->Trade));
sock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC));
plr2->money = plr2->money + plr->moneyInTrade - plr2->moneyInTrade;
resp2.iCandy = plr2->money;
memcpy(resp2.Item, plr->Trade, sizeof(plr->Trade));
memcpy(resp2.ItemStay, plr2->Trade, sizeof(plr2->Trade));
otherSock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC));
} else {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
resp.iID_Request = plr2->iID;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
resp.iID_Request = plr->iID;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
return;
}
}
bool ItemManager::doTrade(Player* plr, Player* plr2) {
// init dummy inventories
sItemBase plrInven[AINVEN_COUNT];
sItemBase plr2Inven[AINVEN_COUNT];
memcpy(plrInven, plr->Inven, AINVEN_COUNT * sizeof(sItemBase));
memcpy(plr2Inven, plr2->Inven, AINVEN_COUNT * sizeof(sItemBase));
for (int i = 0; i < 5; i++) {
// remove items offered by us
if (plr->Trade[i].iID != 0) {
if (plrInven[plr->Trade[i].iInvenNum].iID == 0
|| plr->Trade[i].iID != plrInven[plr->Trade[i].iInvenNum].iID
|| plr->Trade[i].iType != plrInven[plr->Trade[i].iInvenNum].iType) // pulling a fast one on us
return false;
if (plr->Trade[i].iOpt < 1) {
std::cout << "[WARN] Player tried trading an iOpt < 1 amount" << std::endl;
plr->Trade[i].iOpt = 1;
}
// for stacked items
plrInven[plr->Trade[i].iInvenNum].iOpt -= plr->Trade[i].iOpt;
if (plrInven[plr->Trade[i].iInvenNum].iOpt == 0) {
plrInven[plr->Trade[i].iInvenNum].iID = 0;
plrInven[plr->Trade[i].iInvenNum].iType = 0;
plrInven[plr->Trade[i].iInvenNum].iOpt = 0;
} else if (plrInven[plr->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
return false;
}
}
if (plr2->Trade[i].iID != 0) {
if (plr2Inven[plr2->Trade[i].iInvenNum].iID == 0
|| plr2->Trade[i].iID != plr2Inven[plr2->Trade[i].iInvenNum].iID
|| plr2->Trade[i].iType != plr2Inven[plr2->Trade[i].iInvenNum].iType) // pulling a fast one on us
return false;
if (plr2->Trade[i].iOpt < 1) {
std::cout << "[WARN] Player tried trading an iOpt < 1 amount" << std::endl;
plr2->Trade[i].iOpt = 1;
}
// for stacked items
plr2Inven[plr2->Trade[i].iInvenNum].iOpt -= plr2->Trade[i].iOpt;
if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt == 0) {
plr2Inven[plr2->Trade[i].iInvenNum].iID = 0;
plr2Inven[plr2->Trade[i].iInvenNum].iType = 0;
plr2Inven[plr2->Trade[i].iInvenNum].iOpt = 0;
} else if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
return false;
}
}
// add items offered to us
if (plr2->Trade[i].iID != 0) {
for (int n = 0; n < AINVEN_COUNT; n++) {
if (plrInven[n].iID == 0) {
plrInven[n].iID = plr2->Trade[i].iID;
plrInven[n].iType = plr2->Trade[i].iType;
plrInven[n].iOpt = plr2->Trade[i].iOpt;
plr2->Trade[i].iInvenNum = n;
break;
}
if (n >= AINVEN_COUNT - 1)
return false; // not enough space
}
}
if (plr->Trade[i].iID != 0) {
for (int n = 0; n < AINVEN_COUNT; n++) {
if (plr2Inven[n].iID == 0) {
plr2Inven[n].iID = plr->Trade[i].iID;
plr2Inven[n].iType = plr->Trade[i].iType;
plr2Inven[n].iOpt = plr->Trade[i].iOpt;
plr->Trade[i].iInvenNum = n;
break;
}
if (n >= AINVEN_COUNT - 1)
return false; // not enough space
}
}
}
// if everything went well, back into player inventory it goes
memcpy(plr->Inven, plrInven, AINVEN_COUNT * sizeof(sItemBase));
memcpy(plr2->Inven, plr2Inven, AINVEN_COUNT * sizeof(sItemBase));
return true;
}
void ItemManager::tradeConfirmCancel(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL*)data->buf;
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock);
// both players are not trading nor are in a confirmed state
plr->isTrading = false;
plr->isTradeConfirm = false;
plr2->isTrading = false;
plr2->isTradeConfirm = false;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL));
}
void ItemManager::tradeRegisterItem(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER*)data->buf;
if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
return; // sanity check, there are only 5 trade slots
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
plr->Trade[pacdat->Item.iSlotNum] = pacdat->Item;
plr->isTradeConfirm = false;
// since you can spread items like gumballs over multiple slots, we need to count them all
// to make sure the inventory shows the right value during trade.
int count = 0;
for (int i = 0; i < 5; i++) {
if (plr->Trade[i].iInvenNum == pacdat->Item.iInvenNum)
count += plr->Trade[i].iOpt;
}
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
resp.TradeItem = pacdat->Item;
resp.InvenItem = pacdat->Item;
resp.InvenItem.iOpt = plr->Inven[pacdat->Item.iInvenNum].iOpt - count; // subtract this count
if (resp.InvenItem.iOpt < 0) // negative count items, doTrade() will block this later on
std::cout << "[WARN] tradeRegisterItem: an item went negative count client side." << std::endl;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
}
void ItemManager::tradeUnregisterItem(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER*)data->buf;
if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
return; // sanity check, there are only 5 trade slots
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
plr->isTradeConfirm = false;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
resp.TradeItem = pacdat->Item;
resp.InvenItem = plr->Trade[pacdat->Item.iSlotNum];
memset(&plr->Trade[pacdat->Item.iSlotNum], 0, sizeof(plr->Trade[pacdat->Item.iSlotNum])); // clean up item slot
// since you can spread items like gumballs over multiple slots, we need to count them all
// to make sure the inventory shows the right value during trade.
int count = 0;
for (int i = 0; i < 5; i++) {
if (plr->Trade[i].iInvenNum == resp.InvenItem.iInvenNum)
count += plr->Trade[i].iOpt;
}
resp.InvenItem.iOpt = plr->Inven[resp.InvenItem.iInvenNum].iOpt - count; // subtract this count
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC));
}
void ItemManager::tradeRegisterCash(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER*)data->buf;
Player* plr = PlayerManager::getPlayer(sock);
if (pacdat->iCandy < 0 || pacdat->iCandy > plr->money)
return; // famous glitch, begone
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
resp.iCandy = pacdat->iCandy;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
plr->moneyInTrade = pacdat->iCandy;
plr->isTradeConfirm = false;
}
void ItemManager::chestOpenHandler(CNSocket *sock, CNPacketData *data) {
void chestOpenHandler(CNSocket *sock, CNPacketData *data) {
if (data->size != sizeof(sP_CL2FE_REQ_ITEM_CHEST_OPEN))
return; // ignore the malformed packet
@ -750,7 +365,7 @@ void ItemManager::chestOpenHandler(CNSocket *sock, CNPacketData *data) {
#ifdef ACADEMY
// check if chest isn't a nano capsule
if (NanoCapsules.find(chest->iID) != NanoCapsules.end())
if (ItemManager::NanoCapsules.find(chest->iID) != ItemManager::NanoCapsules.end())
return nanoCapsuleHandler(sock, pkt->iSlotNum, chest);
#endif
@ -786,24 +401,24 @@ void ItemManager::chestOpenHandler(CNSocket *sock, CNPacketData *data) {
bool failing = false;
// find the crate
if (Crates.find(chest->iID) == Crates.end()) {
if (ItemManager::Crates.find(chest->iID) == ItemManager::Crates.end()) {
std::cout << "[WARN] Crate " << chest->iID << " not found!" << std::endl;
failing = true;
}
Crate& crate = Crates[chest->iID];
Crate& crate = ItemManager::Crates[chest->iID];
if (!failing)
itemSetId = getItemSetId(crate, chest->iID);
itemSetId = ItemManager::getItemSetId(crate, chest->iID);
if (itemSetId == -1)
failing = true;
if (!failing)
rarity = getRarity(crate, itemSetId);
rarity = ItemManager::getRarity(crate, itemSetId);
if (rarity == -1)
failing = true;
if (!failing)
ret = getCrateItem(item->sItem, itemSetId, rarity, plr->PCStyle.iGender);
ret = ItemManager::getCrateItem(item->sItem, itemSetId, rarity, plr->PCStyle.iGender);
if (ret == -1)
failing = true;
@ -879,7 +494,7 @@ int ItemManager::getRarity(Crate& crate, int itemSetId) {
}
int ItemManager::getCrateItem(sItemBase& result, int itemSetId, int rarity, int playerGender) {
std::pair key = std::make_pair(itemSetId, rarity);
auto key = std::make_pair(itemSetId, rarity);
if (CrateItems.find(key) == CrateItems.end()) {
std::cout << "[WARN] Item Set ID " << itemSetId << " Rarity " << rarity << " does not exist" << std::endl;
@ -998,57 +613,12 @@ void ItemManager::updateEquips(CNSocket* sock, Player* plr) {
}
}
#ifdef ACADEMY
void ItemManager::nanoCapsuleHandler(CNSocket* sock, int slot, sItemBase *chest) {
Player* plr = PlayerManager::getPlayer(sock);
int32_t nanoId = NanoCapsules[chest->iID];
// chest opening acknowledgement packet
INITSTRUCT(sP_FE2CL_REP_ITEM_CHEST_OPEN_SUCC, resp);
resp.iSlotNum = slot;
// in order to remove capsule form inventory, we have to send item reward packet with empty item
const size_t resplen = sizeof(sP_FE2CL_REP_REWARD_ITEM) + sizeof(sItemReward);
assert(resplen < CN_PACKET_BUFFER_SIZE - 8);
// we know it's only one trailing struct, so we can skip full validation
uint8_t respbuf[resplen]; // not a variable length array, don't worry
sP_FE2CL_REP_REWARD_ITEM* reward = (sP_FE2CL_REP_REWARD_ITEM*)respbuf;
sItemReward* item = (sItemReward*)(respbuf + sizeof(sP_FE2CL_REP_REWARD_ITEM));
// don't forget to zero the buffer!
memset(respbuf, 0, resplen);
// maintain stats
reward->m_iCandy = plr->money;
reward->m_iFusionMatter = plr->fusionmatter;
reward->iFatigue = 100; // prevents warning message
reward->iFatigue_Level = 1;
reward->iItemCnt = 1; // remember to update resplen if you change this
reward->m_iBatteryN = plr->batteryN;
reward->m_iBatteryW = plr->batteryW;
item->iSlotNum = slot;
item->eIL = 1;
// update player serverside
plr->Inven[slot] = item->sItem;
// transmit item
sock->sendPacket((void*)respbuf, P_FE2CL_REP_REWARD_ITEM, resplen);
// transmit chest opening acknowledgement packet
sock->sendPacket((void*)&resp, P_FE2CL_REP_ITEM_CHEST_OPEN_SUCC, sizeof(sP_FE2CL_REP_ITEM_CHEST_OPEN_SUCC));
// check if player doesn't already have this nano
if (plr->Nanos[nanoId].iID != 0) {
INITSTRUCT(sP_FE2CL_GM_REP_PC_ANNOUNCE, msg);
msg.iDuringTime = 4;
std::string text = "You have already aquired this nano!";
U8toU16(text, msg.szAnnounceMsg, sizeof(text));
sock->sendPacket((void*)&msg, P_FE2CL_GM_REP_PC_ANNOUNCE, sizeof(sP_FE2CL_GM_REP_PC_ANNOUNCE));
return;
}
NanoManager::addNano(sock, nanoId, -1, false);
void ItemManager::init() {
REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_MOVE, itemMoveHandler);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_ITEM_DELETE, itemDeleteHandler);
// this one is for gumballs
REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_USE, itemUseHandler);
// Bank
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_BANK_OPEN, itemBankOpenHandler);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_CHEST_OPEN, chestOpenHandler);
}
#endif

21
src/ItemManager.hpp
View File

@ -3,9 +3,6 @@
#include "CNShardServer.hpp"
#include "Player.hpp"
struct VendorListing {
int sort, type, iID;
};
struct CrocPotEntry {
int multStats, multLooks;
float base, rd0, rd1, rd2, rd3;
@ -31,7 +28,6 @@ namespace ItemManager {
};
// hopefully this is fine since it's never modified after load
extern std::map<std::pair<int32_t, int32_t>, Item> ItemData; // <id, type> -> data
extern std::map<int32_t, std::vector<VendorListing>> VendorTables;
extern std::map<int32_t, CrocPotEntry> CrocPotTable; // level gap -> entry
extern std::map<int32_t, std::vector<int>> RarityRatios;
extern std::map<int32_t, Crate> Crates;
@ -42,22 +38,6 @@ namespace ItemManager {
void init();
void itemMoveHandler(CNSocket* sock, CNPacketData* data);
void itemDeleteHandler(CNSocket* sock, CNPacketData* data);
void itemUseHandler(CNSocket* sock, CNPacketData* data);
// Bank
void itemBankOpenHandler(CNSocket* sock, CNPacketData* data);
void tradeOffer(CNSocket* sock, CNPacketData* data);
void tradeOfferAccept(CNSocket* sock, CNPacketData* data);
void tradeOfferRefusal(CNSocket* sock, CNPacketData* data);
void tradeConfirm(CNSocket* sock, CNPacketData* data);
bool doTrade(Player* plr, Player* plr2);
void tradeConfirmCancel(CNSocket* sock, CNPacketData* data);
void tradeRegisterItem(CNSocket* sock, CNPacketData* data);
void tradeUnregisterItem(CNSocket* sock, CNPacketData* data);
void tradeRegisterCash(CNSocket* sock, CNPacketData* data);
void chestOpenHandler(CNSocket* sock, CNPacketData* data);
// crate opening logic with all helper functions
int getItemSetId(Crate& crate, int crateId);
int getRarity(Crate& crate, int itemSetId);
@ -71,6 +51,5 @@ namespace ItemManager {
#ifdef ACADEMY
extern std::map<int32_t, int32_t> NanoCapsules; // crate id -> nano id
void nanoCapsuleHandler(CNSocket* sock, int slot, sItemBase *chest);
#endif
}

5
src/NPCManager.cpp
View File

@ -8,6 +8,7 @@
#include "TableData.hpp"
#include "GroupManager.hpp"
#include "RacingManager.hpp"
#include "Vendor.hpp"
#include <cmath>
#include <algorithm>
@ -318,10 +319,10 @@ void NPCManager::npcVendorTable(CNSocket* sock, CNPacketData* data) {
sP_CL2FE_REQ_PC_VENDOR_TABLE_UPDATE* req = (sP_CL2FE_REQ_PC_VENDOR_TABLE_UPDATE*)data->buf;
if (req->iVendorID != req->iNPC_ID || ItemManager::VendorTables.find(req->iVendorID) == ItemManager::VendorTables.end())
if (req->iVendorID != req->iNPC_ID || Vendor::VendorTables.find(req->iVendorID) == Vendor::VendorTables.end())
return;
std::vector<VendorListing> listings = ItemManager::VendorTables[req->iVendorID];
std::vector<VendorListing> listings = Vendor::VendorTables[req->iVendorID];
INITSTRUCT(sP_FE2CL_REP_PC_VENDOR_TABLE_UPDATE_SUCC, resp);

5
src/TableData.cpp
View File

@ -8,6 +8,7 @@
#include "ChunkManager.hpp"
#include "NanoManager.hpp"
#include "RacingManager.hpp"
#include "Vendor.hpp"
#include "JSON.hpp"
@ -184,10 +185,10 @@ void TableData::init() {
for (nlohmann::json::iterator _lst = listings.begin(); _lst != listings.end(); _lst++) {
auto lst = _lst.value();
VendorListing vListing = { lst["m_iSortNumber"], lst["m_iItemType"], lst["m_iitemID"] };
ItemManager::VendorTables[lst["m_iNpcNumber"]].push_back(vListing);
Vendor::VendorTables[lst["m_iNpcNumber"]].push_back(vListing);
}
std::cout << "[INFO] Loaded " << ItemManager::VendorTables.size() << " vendor tables" << std::endl;
std::cout << "[INFO] Loaded " << Vendor::VendorTables.size() << " vendor tables" << std::endl;
// load crocpot entries
nlohmann::json crocs = xdtData["m_pCombiningTable"]["m_pCombiningData"];

432
src/Trading.cpp Normal file
View File

@ -0,0 +1,432 @@
#include "Trading.hpp"
#include "PlayerManager.hpp"
bool doTrade(Player* plr, Player* plr2) {
// init dummy inventories
sItemBase plrInven[AINVEN_COUNT];
sItemBase plr2Inven[AINVEN_COUNT];
memcpy(plrInven, plr->Inven, AINVEN_COUNT * sizeof(sItemBase));
memcpy(plr2Inven, plr2->Inven, AINVEN_COUNT * sizeof(sItemBase));
for (int i = 0; i < 5; i++) {
// remove items offered by us
if (plr->Trade[i].iID != 0) {
if (plrInven[plr->Trade[i].iInvenNum].iID == 0
|| plr->Trade[i].iID != plrInven[plr->Trade[i].iInvenNum].iID
|| plr->Trade[i].iType != plrInven[plr->Trade[i].iInvenNum].iType) // pulling a fast one on us
return false;
if (plr->Trade[i].iOpt < 1) {
std::cout << "[WARN] Player tried trading an iOpt < 1 amount" << std::endl;
plr->Trade[i].iOpt = 1;
}
// for stacked items
plrInven[plr->Trade[i].iInvenNum].iOpt -= plr->Trade[i].iOpt;
if (plrInven[plr->Trade[i].iInvenNum].iOpt == 0) {
plrInven[plr->Trade[i].iInvenNum].iID = 0;
plrInven[plr->Trade[i].iInvenNum].iType = 0;
plrInven[plr->Trade[i].iInvenNum].iOpt = 0;
} else if (plrInven[plr->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
return false;
}
}
if (plr2->Trade[i].iID != 0) {
if (plr2Inven[plr2->Trade[i].iInvenNum].iID == 0
|| plr2->Trade[i].iID != plr2Inven[plr2->Trade[i].iInvenNum].iID
|| plr2->Trade[i].iType != plr2Inven[plr2->Trade[i].iInvenNum].iType) // pulling a fast one on us
return false;
if (plr2->Trade[i].iOpt < 1) {
std::cout << "[WARN] Player tried trading an iOpt < 1 amount" << std::endl;
plr2->Trade[i].iOpt = 1;
}
// for stacked items
plr2Inven[plr2->Trade[i].iInvenNum].iOpt -= plr2->Trade[i].iOpt;
if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt == 0) {
plr2Inven[plr2->Trade[i].iInvenNum].iID = 0;
plr2Inven[plr2->Trade[i].iInvenNum].iType = 0;
plr2Inven[plr2->Trade[i].iInvenNum].iOpt = 0;
} else if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
return false;
}
}
// add items offered to us
if (plr2->Trade[i].iID != 0) {
for (int n = 0; n < AINVEN_COUNT; n++) {
if (plrInven[n].iID == 0) {
plrInven[n].iID = plr2->Trade[i].iID;
plrInven[n].iType = plr2->Trade[i].iType;
plrInven[n].iOpt = plr2->Trade[i].iOpt;
plr2->Trade[i].iInvenNum = n;
break;
}
if (n >= AINVEN_COUNT - 1)
return false; // not enough space
}
}
if (plr->Trade[i].iID != 0) {
for (int n = 0; n < AINVEN_COUNT; n++) {
if (plr2Inven[n].iID == 0) {
plr2Inven[n].iID = plr->Trade[i].iID;
plr2Inven[n].iType = plr->Trade[i].iType;
plr2Inven[n].iOpt = plr->Trade[i].iOpt;
plr->Trade[i].iInvenNum = n;
break;
}
if (n >= AINVEN_COUNT - 1)
return false; // not enough space
}
}
}
// if everything went well, back into player inventory it goes
memcpy(plr->Inven, plrInven, AINVEN_COUNT * sizeof(sItemBase));
memcpy(plr2->Inven, plr2Inven, AINVEN_COUNT * sizeof(sItemBase));
return true;
}
static void tradeOffer(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER*)data->buf;
CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(otherSock);
if (plr->isTrading) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_To;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
return; // prevent trading with a player already trading
}
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER));
}
static void tradeOfferAccept(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT*)data->buf;
CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock);
if (plr2->isTrading) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_From;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
return; // prevent trading with a player already trading
}
// clearing up trade slots
plr->moneyInTrade = 0;
plr2->moneyInTrade = 0;
memset(&plr->Trade, 0, sizeof(plr->Trade));
memset(&plr2->Trade, 0, sizeof(plr2->Trade));
// marking players as traders
plr->isTrading = true;
plr2->isTrading = true;
// marking players as unconfirmed
plr->isTradeConfirm = false;
plr2->isTradeConfirm = false;
// inform the other player that offer is accepted
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
}
static void tradeOfferRefusal(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL*)data->buf;
CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
}
static void tradeConfirm(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CONFIRM* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM*)data->buf;
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock);
if (!(plr->isTrading && plr2->isTrading)) { // both players must be trading
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
resp.iID_Request = plr2->iID;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
resp.iID_Request = plr->iID;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
return;
}
// send the confirm packet
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
if (!(plr2->isTradeConfirm)) {
plr->isTradeConfirm = true;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
return;
}
// both players are no longer trading
plr->isTrading = false;
plr2->isTrading = false;
plr->isTradeConfirm = false;
plr2->isTradeConfirm = false;
if (doTrade(plr, plr2)) { // returns false if not enough slots
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, resp2);
resp2.iID_Request = pacdat->iID_Request;
resp2.iID_From = pacdat->iID_From;
resp2.iID_To = pacdat->iID_To;
plr->money = plr->money + plr2->moneyInTrade - plr->moneyInTrade;
resp2.iCandy = plr->money;
memcpy(resp2.Item, plr2->Trade, sizeof(plr2->Trade));
memcpy(resp2.ItemStay, plr->Trade, sizeof(plr->Trade));
sock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC));
plr2->money = plr2->money + plr->moneyInTrade - plr2->moneyInTrade;
resp2.iCandy = plr2->money;
memcpy(resp2.Item, plr->Trade, sizeof(plr->Trade));
memcpy(resp2.ItemStay, plr2->Trade, sizeof(plr2->Trade));
otherSock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC));
} else {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
resp.iID_Request = plr2->iID;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
resp.iID_Request = plr->iID;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
return;
}
}
static void tradeConfirmCancel(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL*)data->buf;
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock);
// both players are not trading nor are in a confirmed state
plr->isTrading = false;
plr->isTradeConfirm = false;
plr2->isTrading = false;
plr2->isTradeConfirm = false;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL));
}
static void tradeRegisterItem(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER*)data->buf;
if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
return; // sanity check, there are only 5 trade slots
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
plr->Trade[pacdat->Item.iSlotNum] = pacdat->Item;
plr->isTradeConfirm = false;
// since you can spread items like gumballs over multiple slots, we need to count them all
// to make sure the inventory shows the right value during trade.
int count = 0;
for (int i = 0; i < 5; i++) {
if (plr->Trade[i].iInvenNum == pacdat->Item.iInvenNum)
count += plr->Trade[i].iOpt;
}
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
resp.TradeItem = pacdat->Item;
resp.InvenItem = pacdat->Item;
resp.InvenItem.iOpt = plr->Inven[pacdat->Item.iInvenNum].iOpt - count; // subtract this count
if (resp.InvenItem.iOpt < 0) // negative count items, doTrade() will block this later on
std::cout << "[WARN] tradeRegisterItem: an item went negative count client side." << std::endl;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
}
static void tradeUnregisterItem(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER*)data->buf;
if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
return; // sanity check, there are only 5 trade slots
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock);
plr->isTradeConfirm = false;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
resp.TradeItem = pacdat->Item;
resp.InvenItem = plr->Trade[pacdat->Item.iSlotNum];
memset(&plr->Trade[pacdat->Item.iSlotNum], 0, sizeof(plr->Trade[pacdat->Item.iSlotNum])); // clean up item slot
// since you can spread items like gumballs over multiple slots, we need to count them all
// to make sure the inventory shows the right value during trade.
int count = 0;
for (int i = 0; i < 5; i++) {
if (plr->Trade[i].iInvenNum == resp.InvenItem.iInvenNum)
count += plr->Trade[i].iOpt;
}
resp.InvenItem.iOpt = plr->Inven[resp.InvenItem.iInvenNum].iOpt - count; // subtract this count
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC));
}
static void tradeRegisterCash(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER*)data->buf;
Player* plr = PlayerManager::getPlayer(sock);
if (pacdat->iCandy < 0 || pacdat->iCandy > plr->money)
return; // famous glitch, begone
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
resp.iCandy = pacdat->iCandy;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
plr->moneyInTrade = pacdat->iCandy;
plr->isTradeConfirm = false;
}
void Trading::init() {
// Trade handlers
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER, tradeOffer);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT, tradeOfferAccept);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL, tradeOfferRefusal);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM, tradeConfirm);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL, tradeConfirmCancel);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_REGISTER, tradeRegisterItem);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER, tradeUnregisterItem);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CASH_REGISTER, tradeRegisterCash);
}

7
src/Trading.hpp Normal file
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@ -0,0 +1,7 @@
#pragma once
#include "ItemManager.hpp"
namespace Trading {
void init();
}

3
src/Vendor.cpp Normal file
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@ -0,0 +1,3 @@
#include "Vendor.hpp"
std::map<int32_t, std::vector<VendorListing>> Vendor::VendorTables;

11
src/Vendor.hpp Normal file
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@ -0,0 +1,11 @@
#pragma once
#include "ItemManager.hpp"
struct VendorListing {
int sort, type, iID;
};
namespace Vendor {
extern std::map<int32_t, std::vector<VendorListing>> VendorTables;
}

2
src/main.cpp
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@ -18,6 +18,7 @@
#include "GroupManager.hpp"
#include "Monitor.hpp"
#include "RacingManager.hpp"
#include "Trading.hpp"
#include "settings.hpp"
@ -110,6 +111,7 @@ int main() {
GroupManager::init();
RacingManager::init();
Database::open();
Trading::init();
switch (settings::EVENTMODE) {
case 0: break; // no event