InventoryCrafting.java

package net.minecraft.inventory;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;

public class InventoryCrafting implements IInventory
{
    /** List of the stacks in the crafting matrix. */
    private ItemStack[] stackList;
    /** the width of the crafting inventory */
    private int inventoryWidth;
    /** Class containing the callbacks for the events on_GUIClosed and on_CraftMaxtrixChanged. */
    private Container eventHandler;
    private static final String __OBFID = "CL_00001743";

    public InventoryCrafting(Container p_i1807_1_, int p_i1807_2_, int p_i1807_3_)
    {
        int k = p_i1807_2_ * p_i1807_3_;
        this.stackList = new ItemStack[k];
        this.eventHandler = p_i1807_1_;
        this.inventoryWidth = p_i1807_2_;
    }

    /**
     * Returns the number of slots in the inventory.
     */
    public int getSizeInventory()
    {
        return this.stackList.length;
    }

    /**
     * Returns the stack in slot i
     */
    public ItemStack getStackInSlot(int slotIn)
    {
        return slotIn >= this.getSizeInventory() ? null : this.stackList[slotIn];
    }

    /**
     * Returns the itemstack in the slot specified (Top left is 0, 0). Args: row, column
     */
    public ItemStack getStackInRowAndColumn(int p_70463_1_, int p_70463_2_)
    {
        if (p_70463_1_ >= 0 && p_70463_1_ < this.inventoryWidth)
        {
            int k = p_70463_1_ + p_70463_2_ * this.inventoryWidth;
            return this.getStackInSlot(k);
        }
        else
        {
            return null;
        }
    }

    /**
     * Returns the name of the inventory
     */
    public String getInventoryName()
    {
        return "container.crafting";
    }

    /**
     * Returns if the inventory is named
     */
    public boolean isCustomInventoryName()
    {
        return false;
    }

    /**
     * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
     * like when you close a workbench GUI.
     */
    public ItemStack getStackInSlotOnClosing(int index)
    {
        if (this.stackList[index] != null)
        {
            ItemStack itemstack = this.stackList[index];
            this.stackList[index] = null;
            return itemstack;
        }
        else
        {
            return null;
        }
    }

    /**
     * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
     * new stack.
     */
    public ItemStack decrStackSize(int index, int count)
    {
        if (this.stackList[index] != null)
        {
            ItemStack itemstack;

            if (this.stackList[index].stackSize <= count)
            {
                itemstack = this.stackList[index];
                this.stackList[index] = null;
                this.eventHandler.onCraftMatrixChanged(this);
                return itemstack;
            }
            else
            {
                itemstack = this.stackList[index].splitStack(count);

                if (this.stackList[index].stackSize == 0)
                {
                    this.stackList[index] = null;
                }

                this.eventHandler.onCraftMatrixChanged(this);
                return itemstack;
            }
        }
        else
        {
            return null;
        }
    }

    /**
     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
     */
    public void setInventorySlotContents(int index, ItemStack stack)
    {
        this.stackList[index] = stack;
        this.eventHandler.onCraftMatrixChanged(this);
    }

    /**
     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
     * this more of a set than a get?*
     */
    public int getInventoryStackLimit()
    {
        return 64;
    }

    /**
     * For tile entities, ensures the chunk containing the tile entity is saved to disk later - the game won't think it
     * hasn't changed and skip it.
     */
    public void markDirty() {}

    /**
     * Do not make give this method the name canInteractWith because it clashes with Container
     */
    public boolean isUseableByPlayer(EntityPlayer player)
    {
        return true;
    }

    public void openChest() {}

    public void closeChest() {}

    /**
     * Returns true if automation is allowed to insert the given stack (ignoring stack size) into the given slot.
     */
    public boolean isItemValidForSlot(int index, ItemStack stack)
    {
        return true;
    }
}