    001package net.minecraft.inventory;
    002
    003import net.minecraft.entity.player.EntityPlayer;
    004import net.minecraft.item.ItemStack;
    005
    006public interface IInventory
    007{
    008    /**
    009     * Returns the number of slots in the inventory.
    010     */
    011    int getSizeInventory();
    012
    013    /**
    014     * Returns the stack in slot i
    015     */
    016    ItemStack getStackInSlot(int i);
    017
    018    /**
    019     * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
    020     * new stack.
    021     */
    022    ItemStack decrStackSize(int i, int j);
    023
    024    /**
    025     * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
    026     * like when you close a workbench GUI.
    027     */
    028    ItemStack getStackInSlotOnClosing(int i);
    029
    030    /**
    031     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
    032     */
    033    void setInventorySlotContents(int i, ItemStack itemstack);
    034
    035    /**
    036     * Returns the name of the inventory.
    037     */
    038    String getInvName();
    039
    040    boolean func_94042_c();
    041
    042    /**
    043     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
    044     * this more of a set than a get?*
    045     */
    046    int getInventoryStackLimit();
    047
    048    /**
    049     * Called when an the contents of an Inventory change, usually
    050     */
    051    void onInventoryChanged();
    052
    053    /**
    054     * Do not make give this method the name canInteractWith because it clashes with Container
    055     */
    056    boolean isUseableByPlayer(EntityPlayer entityplayer);
    057
    058    void openChest();
    059
    060    void closeChest();
    061
    062    boolean func_94041_b(int i, ItemStack itemstack);
    063}