Java Item.clone方法代码示例

import cn.nukkit.item.Item; //导入方法依赖的package包/类
@Override
public boolean canAddItem(Item item) {
    item = item.clone();
    boolean checkDamage = item.hasMeta();
    boolean checkTag = item.getCompoundTag() != null;
    for (int i = 0; i < this.getSize(); ++i) {
        Item slot = this.getItem(i);
        if (item.equals(slot, checkDamage, checkTag)) {
            int diff;
            if ((diff = slot.getMaxStackSize() - slot.getCount()) > 0) {
                item.setCount(item.getCount() - diff);
            }
        } else if (slot.getId() == Item.AIR) {
            item.setCount(item.getCount() - this.getMaxStackSize());
        }

        if (item.getCount() <= 0) {
            return true;
        }
    }

    return false;
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public ShapedRecipe(Item result, int height, int width) {
    for (int y = 0; y < height; y++) {
        if (width == 0 || width > 3) {
            throw new IllegalStateException("Crafting rows should be 1, 2, 3 characters, not " + width);
        }

        this.ingredients.put(y, new HashMap<Integer, Item>() {
            {
                for (int i = 0; i < width; i++) {
                    put(i, null);
                }
            }
        });
    }

    this.output = result.clone();
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public FurnaceSmeltEvent(BlockEntityFurnace furnace, Item source, Item result) {
    super(furnace.getBlock());
    this.source = source.clone();
    this.source.setCount(1);
    this.result = result;
    this.furnace = furnace;
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public BaseTransaction(Inventory inventory, int slot, Item sourceItem, Item targetItem) {
    this.inventory = inventory;
    this.slot = slot;
    this.sourceItem = sourceItem.clone();
    this.targetItem = targetItem.clone();
    this.creationTime = System.currentTimeMillis();
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
@Override
public boolean setItem(int index, Item item, boolean send) {
    item = item.clone();
    if (index < 0 || index >= this.size) {
        return false;
    } else if (item.getId() == 0 || item.getCount() <= 0) {
        return this.clear(index);
    }

    InventoryHolder holder = this.getHolder();
    if (holder instanceof Entity) {
        EntityInventoryChangeEvent ev = new EntityInventoryChangeEvent((Entity) holder, this.getItem(index), item, index);
        Server.getInstance().getPluginManager().callEvent(ev);
        if (ev.isCancelled()) {
            this.sendSlot(index, this.getViewers());
            return false;
        }

        item = ev.getNewItem();
    }

    Item old = this.getItem(index);
    this.slots.put(index, item.clone());
    this.onSlotChange(index, old, send);

    return true;
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
@Override
public boolean setItem(int index, Item item) {
    item = item.clone();
    if (index < 0 || index >= this.size) {
        return false;
    } else if (item.getId() == 0 || item.getCount() <= 0) {
        return this.clear(index);
    }

    InventoryHolder holder = this.getHolder();
    if (holder instanceof Entity) {
        EntityInventoryChangeEvent ev = new EntityInventoryChangeEvent((Entity) holder, this.getItem(index), item, index);
        Server.getInstance().getPluginManager().callEvent(ev);
        if (ev.isCancelled()) {
            this.sendSlot(index, this.getViewers());
            return false;
        }

        item = ev.getNewItem();
    }

    Item old = this.getItem(index);
    this.slots.put(index, item.clone());
    this.onSlotChange(index, old);

    return true;
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public boolean onInteract(Player player, Item item) {
	Item change;
	if (item.getId() == 0) {
		this.sendHand(player);
		this.sendArmor(player);
		player.getInventory().sendContents(player);
		return false;
	} else if (item.isHelmet()) {
		change = this.getHelmet();
		this.setHelmet(item.clone());
	} else if (item.isChestplate()) {
		change = this.getChestPlate();
		this.setChestPlate(item.clone());
	} else if (item.isLeggings()) {
		change = this.getLeggins();
		this.setLeggins(item.clone());
	} else if (item.isBoots()) {
		change = this.getBoots();
		this.setBoots(item.clone());
	} else {
		if (item.getCount() > 1) {
			change = item.clone();
			change.setCount(change.getCount() - 1);
	    	player.getInventory().setItemInHand(change);
			player.getInventory().addItem(this.getHand());
			item.setCount(1);
			this.setHand(item.clone());
			return false;
		} else {
			change = this.getHand();
			this.setHand(item);
		}
	}
	player.getInventory().setItemInHand(change);
    return false;
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
@Override
public boolean onActivate(Item item, Player player) {
    BlockEntity blockEntity = this.getLevel().getBlockEntity(this);
    BlockEntityItemFrame itemFrame = (BlockEntityItemFrame) blockEntity;
    if (itemFrame.getItem().getId() == Item.AIR) {
        // We can't use Item.get(item.getId(), item.getDamage(), 1) because
        // we need to keep the item's NBT tags
        Item itemOnFrame = item.clone(); // So we clone the item
        itemOnFrame.setCount(1); // Change it to only one item (if we keep +1, visual glitches will happen)
        itemFrame.setItem(itemOnFrame); // And then we set it on the item frame
        // The item will be removed from the player's hand a few lines ahead
        this.getLevel().addSound(new ItemFrameItemAddedSound(this));
        if (player != null && player.isSurvival()) {
            int count = item.getCount();
            if (count-- <= 0) {
                player.getInventory().setItemInHand(new ItemBlock(new BlockAir(), 0, 0));
                return true;
            }
            item.setCount(count);
            player.getInventory().setItemInHand(item);
        }
    } else {
        int itemRot = itemFrame.getItemRotation();
        if (itemRot >= 7) {
            itemRot = 0;
        } else {
            itemRot++;
        }
        itemFrame.setItemRotation(itemRot);
        this.getLevel().addSound(new ItemFrameItemRotated(this));
    }
    return true;
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
@Override
public boolean setItem(int index, Item item, boolean send) {
    item = item.clone();
    if (index < 0 || index >= this.size) {
        return false;
    } else if (item.getId() == 0 || item.getCount() <= 0) {
        return this.clear(index, send);
    }

    InventoryHolder holder = this.getHolder();
    if (holder instanceof Entity) {
        EntityInventoryChangeEvent ev = new EntityInventoryChangeEvent((Entity) holder, this, this.getItem(index), item, index);
        Server.getInstance().getPluginManager().callEvent(ev);
        if (ev.isCancelled()) {
            this.sendSlot(index, this.getViewers());
            return false;
        }

        item = ev.getNewItem();
    }

    Item old = this.getItem(index);
    this.slots.put(index, item.clone());
    this.onSlotChange(index, old, send);

    return true;
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public ShapelessRecipe(Item result) {
    this.output = result.clone();
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public void setInput(Item item) {
    ingredient = item.clone();
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public BrewingRecipe(Item result, Item ingredient, Item potion) {
    this.output = result.clone();
    this.ingredient = ingredient.clone();
    this.potion = potion.clone();
}
 

import cn.nukkit.item.Item; //导入方法依赖的package包/类
public void setInput(Item item) {
    this.ingredient = item.clone();
}