// Miscellaneous
int LuaExports::dropItemReactor(lua_State *luaVm) {
int32_t itemid = lua_tointeger(luaVm, 1);
int16_t amount = 1;
if (lua_isnumber(luaVm, 2)) {
amount = lua_tointeger(luaVm, 2);
}
Reactor *reactor = getReactor(luaVm);
Player *player = getPlayer(luaVm);
Drop *drop;
if (GameLogicUtilities::isEquip(itemid)) {
Item f(itemid, true);
drop = new Drop(reactor->getMapId(), f, reactor->getPos(), player != nullptr ? player->getId() : 0);
}
else {
Item f(itemid, amount);
drop = new Drop(reactor->getMapId(), f, reactor->getPos(), player != nullptr ? player->getId() : 0);
}
drop->setTime(player != nullptr ? 100 : 0); // FFA if player isn't around
drop->doDrop(reactor->getPos());
return 0;
}
void InventoryHandler::itemMove(Player *player, PacketReader &packet) {
if (!player->updateTickCount(packet.get<int32_t>())) {
// Tickcount was the same or less than 100 of the difference.
return;
}
int8_t inv = packet.get<int8_t>();
int16_t slot1 = packet.get<int16_t>();
int16_t slot2 = packet.get<int16_t>();
if (slot2 == 0) {
// Dropping an item
int16_t amount = packet.get<int16_t>();
Item *item = player->getInventory()->getItem(inv, slot1);
if (item == nullptr) {
return;
}
if (!GameLogicUtilities::isStackable(item->getId())) {
amount = item->getAmount();
}
else if (amount <= 0 || amount > item->getAmount()) {
// Hacking
return;
}
else if (ItemDataProvider::Instance()->isCash(item->getId())) {
// Hacks or modded client.
return;
}
Item droppeditem(item);
droppeditem.setAmount(amount);
if (item->getAmount() == amount) {
InventoryPacket::moveItem(player, inv, slot1, slot2);
player->getInventory()->deleteItem(inv, slot1);
}
else {
item->decAmount(amount);
player->getInventory()->changeItemAmount(item->getId(), -amount);
InventoryPacket::updateItemAmounts(player, inv, slot1, item->getAmount(), 0, 0);
}
Drop *drop = new Drop(player->getMap(), droppeditem, player->getPos(), player->getId(), true);
drop->setTime(0);
bool istradeable = ItemDataProvider::Instance()->isTradeable(droppeditem.getId());
drop->setTradeable(istradeable);
drop->doDrop(player->getPos());
if (istradeable) {
// Drop is deleted otherwise, avoid like plague
ReactorHandler::checkDrop(player, drop);
}
}
else {
// Change item slot (swapping)
Item *item1 = player->getInventory()->getItem(inv, slot1);
Item *item2 = player->getInventory()->getItem(inv, slot2);
if (item1 == nullptr) {
// Hacking
return;
}
if (item2 != nullptr && GameLogicUtilities::isStackable(item1->getId()) && item1->getId() == item2->getId()) {
if (item1->getAmount() + item2->getAmount() <= ItemDataProvider::Instance()->getMaxSlot(item1->getId())) {
item2->incAmount(item1->getAmount());
player->getInventory()->deleteItem(inv, slot1, false);
InventoryPacket::updateItemAmounts(player, inv, slot2, item2->getAmount(), 0, 0);
InventoryPacket::moveItem(player, inv, slot1, 0);
}
else {
item1->decAmount(ItemDataProvider::Instance()->getMaxSlot(item1->getId()) - item2->getAmount());
item2->setAmount(ItemDataProvider::Instance()->getMaxSlot(item2->getId()));
InventoryPacket::updateItemAmounts(player, inv, slot1, item1->getAmount(), slot2, item2->getAmount());
}
}
else {
if (slot2 < 0) {
bool iscash = ItemDataProvider::Instance()->isCash(item1->getId());
uint8_t desiredslot = -(slot2 + (iscash ? 100 : 0));
if (!EquipDataProvider::Instance()->validSlot(item1->getId(), desiredslot)) {
// Hacking
return;
}
Item *remove = nullptr;
int16_t oldslot = 0;
bool weapon = -slot2 == EquipSlots::Weapon;
bool shield = -slot2 == EquipSlots::Shield;
bool top = -slot2 == EquipSlots::Top;
bool bottom = -slot2 == EquipSlots::Bottom;
if (weapon && GameLogicUtilities::is2hWeapon(item1->getId()) && player->getInventory()->getEquippedId(EquipSlots::Shield) != 0) {
oldslot = -EquipSlots::Shield;
}
else if (shield && GameLogicUtilities::is2hWeapon(player->getInventory()->getEquippedId(EquipSlots::Weapon))) {
oldslot = -EquipSlots::Weapon;
}
else if (top && GameLogicUtilities::isOverall(item1->getId()) && player->getInventory()->getEquippedId(EquipSlots::Bottom) != 0) {
oldslot = -EquipSlots::Bottom;
}
else if (bottom && GameLogicUtilities::isOverall(player->getInventory()->getEquippedId(EquipSlots::Top))) {
oldslot = -EquipSlots::Top;
}
if (oldslot != 0) {
remove = player->getInventory()->getItem(inv, oldslot);
bool onlyswap = true;
if ((player->getInventory()->getEquippedId(EquipSlots::Shield) != 0) && (player->getInventory()->getEquippedId(EquipSlots::Weapon) != 0)) {
onlyswap = false;
}
else if ((player->getInventory()->getEquippedId(EquipSlots::Top) != 0) && (player->getInventory()->getEquippedId(EquipSlots::Bottom) != 0)) {
onlyswap = false;
}
if (onlyswap) {
int16_t swapslot = 0;
if (weapon) {
swapslot = -EquipSlots::Shield;
player->getActiveBuffs()->stopBooster();
player->getActiveBuffs()->stopCharge();
}
else if (shield) {
swapslot = -EquipSlots::Weapon;
player->getActiveBuffs()->stopBooster();
player->getActiveBuffs()->stopCharge();
}
else if (top) {
swapslot = -EquipSlots::Bottom;
}
else if (bottom) {
swapslot = -EquipSlots::Top;
}
player->getInventory()->setItem(inv, swapslot, nullptr);
player->getInventory()->setItem(inv, slot1, remove);
player->getInventory()->setItem(inv, slot2, item1);
InventoryPacket::moveItem(player, inv, slot1, slot2);
InventoryPacket::moveItem(player, inv, swapslot, slot1);
InventoryPacket::updatePlayer(player);
return;
}
else {
if (player->getInventory()->getOpenSlotsNum(inv) == 0) {
InventoryPacket::blankUpdate(player);
return;
}
int16_t freeslot = 0;
for (int16_t s = 1; s <= player->getInventory()->getMaxSlots(inv); s++) {
Item *olditem = player->getInventory()->getItem(inv, s);
if (olditem == nullptr) {
freeslot = s;
break;
}
}
player->getInventory()->setItem(inv, freeslot, remove);
player->getInventory()->setItem(inv, oldslot, nullptr);
InventoryPacket::moveItem(player, inv, oldslot, freeslot);
}
}
}
else if (slot1 < 0 && item2 != nullptr && !ItemDataProvider::Instance()->isCash(item2->getId())) {
// Client tries to switch a cash item with a regular item
return;
}
player->getInventory()->setItem(inv, slot1, item2);
player->getInventory()->setItem(inv, slot2, item1);
if (item1->getPetId() > 0) {
player->getPets()->getPet(item1->getPetId())->setInventorySlot((int8_t) slot2);
}
if (item2 != nullptr && item2->getPetId() > 0) {
player->getPets()->getPet(item2->getPetId())->setInventorySlot((int8_t) slot1);
}
InventoryPacket::moveItem(player, inv, slot1, slot2);
}
}
if ((slot1 < 0 && -slot1 == EquipSlots::Weapon) || (slot2 < 0 && -slot2 == EquipSlots::Weapon)) {
player->getActiveBuffs()->stopBooster();
player->getActiveBuffs()->stopCharge();
player->getActiveBuffs()->stopBulletSkills();
}
// Check if the label ring changed, so we can update the look of the pet.
if ((slot1 < 0 && -slot1 - 100 == EquipSlots::PetLabelRing1) || (slot2 < 0 && -slot2 - 100 == EquipSlots::PetLabelRing1)) {
if (Pet *pet = player->getPets()->getSummoned(0)) {
PetsPacket::changeName(player, pet);
}
}
if ((slot1 < 0 && -slot1 - 100 == EquipSlots::PetLabelRing2) || (slot2 < 0 && -slot2 - 100 == EquipSlots::PetLabelRing2)) {
if (Pet *pet = player->getPets()->getSummoned(1)) {
PetsPacket::changeName(player, pet);
}
}
if ((slot1 < 0 && -slot1 - 100 == EquipSlots::PetLabelRing3) || (slot2 < 0 && -slot2 - 100 == EquipSlots::PetLabelRing3)) {
if (Pet *pet = player->getPets()->getSummoned(2)) {
PetsPacket::changeName(player, pet);
}
}
if (slot1 < 0 || slot2 < 0) {
InventoryPacket::updatePlayer(player);
}
}