4jcraft/Minecraft.World/Containers/Slot.cpp

#include "../Platform/stdafx.h"

#include "Container.h"
#include "../Headers/net.minecraft.world.item.h"
#include "../Headers/net.minecraft.world.item.crafting.h"
#include "Slot.h"

Slot::Slot(std::shared_ptr<Container> container, int slot, int x, int y)
    : container(container), slot(slot) {
    this->x = x;
    this->y = y;

    this->index = 0;
}

void Slot::onQuickCraft(std::shared_ptr<ItemInstance> picked,
                        std::shared_ptr<ItemInstance> original) {
    if (picked == nullptr || original == nullptr) {
        return;
    }
    if (picked->id != original->id) {
        return;
    }
    int count = original->count - picked->count;
    if (count > 0) {
        onQuickCraft(picked, count);
    }
}

void Slot::onQuickCraft(std::shared_ptr<ItemInstance> picked, int count) {}

void Slot::checkTakeAchievements(std::shared_ptr<ItemInstance> picked) {}

void Slot::swap(Slot* other) {
    std::shared_ptr<ItemInstance> item1 = container->getItem(slot);
    std::shared_ptr<ItemInstance> item2 =
        other->container->getItem(other->slot);

    if (item1 != nullptr && item1->count > other->getMaxStackSize()) {
        if (item2 != nullptr) return;
        item2 = item1->remove(item1->count - other->getMaxStackSize());
    }
    if (item2 != nullptr && item2->count > getMaxStackSize()) {
        if (item1 != nullptr) return;
        item1 = item2->remove(item2->count - getMaxStackSize());
    }
    other->container->setItem(other->slot, item1);

    container->setItem(slot, item2);
    setChanged();
}

void Slot::onTake(std::shared_ptr<Player> player,
                  std::shared_ptr<ItemInstance> carried) {
    setChanged();
}

bool Slot::mayPlace(std::shared_ptr<ItemInstance> item) { return true; }

std::shared_ptr<ItemInstance> Slot::getItem() {
    return container->getItem(slot);
}

bool Slot::hasItem() { return getItem() != nullptr; }

void Slot::set(std::shared_ptr<ItemInstance> item) {
    container->setItem(slot, item);
    setChanged();
}

void Slot::setChanged() { container->setChanged(); }

int Slot::getMaxStackSize() { return container->getMaxStackSize(); }

Icon* Slot::getNoItemIcon() { return nullptr; }

std::shared_ptr<ItemInstance> Slot::remove(int c) {
    return container->removeItem(slot, c);
}

bool Slot::isAt(std::shared_ptr<Container> c, int s) {
    return c == container && s == slot;
}

bool Slot::mayPickup(std::shared_ptr<Player> player) { return true; }

bool Slot::isActive() { return true; }

bool Slot::mayCombine(std::shared_ptr<ItemInstance> second) {
    std::shared_ptr<ItemInstance> first = getItem();

    if (first == nullptr || second == nullptr) return false;

    ArmorItem* thisItem = dynamic_cast<ArmorItem*>(first->getItem());
    if (thisItem) {
        bool thisIsDyableArmor =
            thisItem->getMaterial() == ArmorItem::ArmorMaterial::CLOTH;
        bool itemIsDye = second->id == Item::dye_powder_Id;
        return thisIsDyableArmor && itemIsDye;
    }
    // 4J Stu - This condition taken from Recipes::getItemFor to repair items,
    // but added the damaged check to skip when the result is pointless
    else if (first != nullptr && second != nullptr && first->id == second->id &&
             first->count == 1 && second->count == 1 &&
             Item::items[first->id]->canBeDepleted() &&
             (first->isDamaged() || second->isDamaged())) {
        // 4J Stu - Don't allow combinining enchanted items, the enchantment
        // will be lost. They can use the anvil for this
        return !first->isEnchanted() && !second->isEnchanted();
    }
    return false;
}

std::shared_ptr<ItemInstance> Slot::combine(
    std::shared_ptr<ItemInstance> item) {
    std::shared_ptr<ItemInstance> result = nullptr;
    std::shared_ptr<ItemInstance> first = getItem();

    std::shared_ptr<CraftingContainer> craftSlots =
        std::shared_ptr<CraftingContainer>(new CraftingContainer(nullptr, 2, 2));
    craftSlots->setItem(0, item);
    craftSlots->setItem(1, first);

    ArmorItem* thisItem = dynamic_cast<ArmorItem*>(first->getItem());
    if (thisItem) {
        result = ArmorDyeRecipe::assembleDyedArmor(craftSlots);
    } else {
        result = Recipes::getInstance()->getItemFor(craftSlots, nullptr);
    }

    craftSlots->setItem(0, nullptr);
    craftSlots->setItem(1, nullptr);
    return result;
}