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#include "stdafx.h"
#include "net.minecraft.world.item.trading.h"
#include "MerchantMenu.h"
#include "MerchantContainer.h"
MerchantContainer::MerchantContainer(shared_ptr<Player> player, shared_ptr<Merchant> villager)
{
this->player = player;
merchant = villager;
items = ItemInstanceArray(3);
items[0] = nullptr;
items[1] = nullptr;
items[2] = nullptr;
activeRecipe = nullptr;
selectionHint = 0;
}
MerchantContainer::~MerchantContainer()
{
delete [] items.data;
}
unsigned int MerchantContainer::getContainerSize()
{
return items.length;
}
shared_ptr<ItemInstance> MerchantContainer::getItem(unsigned int slot)
{
return items[slot];
}
shared_ptr<ItemInstance> MerchantContainer::removeItem(unsigned int slot, int count)
{
if (items[slot] != nullptr)
{
if (slot == MerchantMenu::RESULT_SLOT)
{
shared_ptr<ItemInstance> item = items[slot];
items[slot] = nullptr;
return item;
}
if (items[slot]->count <= count)
{
shared_ptr<ItemInstance> item = items[slot];
items[slot] = nullptr;
if (isPaymentSlot(slot))
{
updateSellItem();
}
return item;
}
else
{
shared_ptr<ItemInstance> i = items[slot]->remove(count);
if (items[slot]->count == 0) items[slot] = nullptr;
if (isPaymentSlot(slot))
{
updateSellItem();
}
return i;
}
}
return nullptr;
}
bool MerchantContainer::isPaymentSlot(int slot)
{
return slot == MerchantMenu::PAYMENT1_SLOT || slot == MerchantMenu::PAYMENT2_SLOT;
}
shared_ptr<ItemInstance> MerchantContainer::removeItemNoUpdate(int slot)
{
if (items[slot] != nullptr)
{
shared_ptr<ItemInstance> item = items[slot];
items[slot] = nullptr;
return item;
}
return nullptr;
}
void MerchantContainer::setItem(unsigned int slot, shared_ptr<ItemInstance> item)
{
items[slot] = item;
if (item != nullptr && item->count > getMaxStackSize()) item->count = getMaxStackSize();
if (isPaymentSlot(slot))
{
updateSellItem();
}
}
wstring MerchantContainer::getName()
{
return merchant->getDisplayName();
}
wstring MerchantContainer::getCustomName()
{
return L"";
}
bool MerchantContainer::hasCustomName()
{
return false;
}
int MerchantContainer::getMaxStackSize() const
{
return Container::LARGE_MAX_STACK_SIZE;
}
bool MerchantContainer::stillValid(shared_ptr<Player> player)
{
return merchant->getTradingPlayer() == player;
}
void MerchantContainer::startOpen()
{
}
void MerchantContainer::stopOpen()
{
}
bool MerchantContainer::canPlaceItem(int slot, shared_ptr<ItemInstance> item)
{
return true;
}
void MerchantContainer::setChanged()
{
updateSellItem();
}
void MerchantContainer::updateSellItem()
{
activeRecipe = nullptr;
shared_ptr<ItemInstance> buyItem1 = items[MerchantMenu::PAYMENT1_SLOT];
shared_ptr<ItemInstance> buyItem2 = items[MerchantMenu::PAYMENT2_SLOT];
if (buyItem1 == nullptr)
{
buyItem1 = buyItem2;
buyItem2 = nullptr;
}
if (buyItem1 == nullptr)
{
setItem(MerchantMenu::RESULT_SLOT, nullptr);
}
else
{
MerchantRecipeList *offers = merchant->getOffers(player);
if (offers != nullptr)
{
MerchantRecipe *recipeFor = offers->getRecipeFor(buyItem1, buyItem2, selectionHint);
if (recipeFor != nullptr && !recipeFor->isDeprecated())
{
activeRecipe = recipeFor;
setItem(MerchantMenu::RESULT_SLOT, recipeFor->getSellItem()->copy());
}
else if (buyItem2 != nullptr)
{
// try to switch
recipeFor = offers->getRecipeFor(buyItem2, buyItem1, selectionHint);
if (recipeFor != nullptr && !recipeFor->isDeprecated())
{
activeRecipe = recipeFor;
setItem(MerchantMenu::RESULT_SLOT, recipeFor->getSellItem()->copy());
}
else
{
setItem(MerchantMenu::RESULT_SLOT, nullptr);
}
}
else
{
setItem(MerchantMenu::RESULT_SLOT, nullptr);
}
}
}
merchant->notifyTradeUpdated(getItem(MerchantMenu::RESULT_SLOT));
}
MerchantRecipe *MerchantContainer::getActiveRecipe()
{
return activeRecipe;
}
void MerchantContainer::setSelectionHint(int selectionHint)
{
this->selectionHint = selectionHint;
updateSellItem();
}
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