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#include "stdafx.h"
#include "net.minecraft.world.inventory.h"
#include "net.minecraft.world.item.trading.h"
#include "MerchantResultSlot.h"
MerchantResultSlot::MerchantResultSlot(Player *player, shared_ptr<Merchant> merchant, shared_ptr<MerchantContainer> slots, int id, int x, int y) : Slot(slots, id, x, y)
{
this->player = player;
this->merchant = merchant;
this->slots = slots;
removeCount = 0;
}
bool MerchantResultSlot::mayPlace(shared_ptr<ItemInstance> item)
{
return false;
}
shared_ptr<ItemInstance> MerchantResultSlot::remove(int c)
{
if (hasItem())
{
removeCount += min(c, getItem()->count);
}
return Slot::remove(c);
}
void MerchantResultSlot::onQuickCraft(shared_ptr<ItemInstance> picked, int count)
{
removeCount += count;
checkTakeAchievements(picked);
}
void MerchantResultSlot::checkTakeAchievements(shared_ptr<ItemInstance> carried)
{
carried->onCraftedBy(player->level, dynamic_pointer_cast<Player>(player->shared_from_this()), removeCount);
removeCount = 0;
}
void MerchantResultSlot::onTake(shared_ptr<Player> player, shared_ptr<ItemInstance> carried)
{
checkTakeAchievements(carried);
MerchantRecipe *activeRecipe = slots->getActiveRecipe();
if (activeRecipe != NULL)
{
shared_ptr<ItemInstance> item1 = slots->getItem(MerchantMenu::PAYMENT1_SLOT);
shared_ptr<ItemInstance> item2 = slots->getItem(MerchantMenu::PAYMENT2_SLOT);
// remove payment items, but remember slots may have switched
if (removePaymentItemsIfMatching(activeRecipe, item1, item2) || removePaymentItemsIfMatching(activeRecipe, item2, item1))
{
merchant->notifyTrade(activeRecipe);
if (item1 && item1->count <= 0)
{
item1 = nullptr;
}
if (item2 && item2->count <= 0)
{
item2 = nullptr;
}
slots->setItem(MerchantMenu::PAYMENT1_SLOT, item1);
slots->setItem(MerchantMenu::PAYMENT2_SLOT, item2);
}
}
}
bool MerchantResultSlot::mayCombine(shared_ptr<ItemInstance> second)
{
return false;
}
bool MerchantResultSlot::removePaymentItemsIfMatching(MerchantRecipe *activeRecipe, shared_ptr<ItemInstance> a, shared_ptr<ItemInstance> b)
{
shared_ptr<ItemInstance> buyA = activeRecipe->getBuyAItem();
shared_ptr<ItemInstance> buyB = activeRecipe->getBuyBItem();
if (a != NULL && a->id == buyA->id)
{
if (buyB != NULL && b != NULL && buyB->id == b->id)
{
a->count -= buyA->count;
b->count -= buyB->count;
return true;
}
else if (buyB == NULL && b == NULL)
{
a->count -= buyA->count;
return true;
}
}
return false;
}
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