package net.minecraft.inventory;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.CraftingManager;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;

public class ContainerWorkbench extends Container
{
    /** The crafting matrix inventory (3x3). */
    public InventoryCrafting craftMatrix = new InventoryCrafting(this, 3, 3);
    public IInventory craftResult = new InventoryCraftResult();
    private World worldObj;
    private BlockPos field_178145_h;

    public ContainerWorkbench(InventoryPlayer p_i45800_1_, World worldIn, BlockPos p_i45800_3_)
    {
        this.worldObj = worldIn;
        this.field_178145_h = p_i45800_3_;
        this.addSlotToContainer(new SlotCrafting(p_i45800_1_.player, this.craftMatrix, this.craftResult, 0, 124, 35));
        int var4;
        int var5;

        for (var4 = 0; var4 < 3; ++var4)
        {
            for (var5 = 0; var5 < 3; ++var5)
            {
                this.addSlotToContainer(new Slot(this.craftMatrix, var5 + var4 * 3, 30 + var5 * 18, 17 + var4 * 18));
            }
        }

        for (var4 = 0; var4 < 3; ++var4)
        {
            for (var5 = 0; var5 < 9; ++var5)
            {
                this.addSlotToContainer(new Slot(p_i45800_1_, var5 + var4 * 9 + 9, 8 + var5 * 18, 84 + var4 * 18));
            }
        }

        for (var4 = 0; var4 < 9; ++var4)
        {
            this.addSlotToContainer(new Slot(p_i45800_1_, var4, 8 + var4 * 18, 142));
        }

        this.onCraftMatrixChanged(this.craftMatrix);
    }

    /**
     * Callback for when the crafting matrix is changed.
     */
    public void onCraftMatrixChanged(IInventory p_75130_1_)
    {
        this.craftResult.setInventorySlotContents(0, CraftingManager.getInstance().findMatchingRecipe(this.craftMatrix, this.worldObj));
    }

    /**
     * Called when the container is closed.
     */
    public void onContainerClosed(EntityPlayer p_75134_1_)
    {
        super.onContainerClosed(p_75134_1_);

        if (!this.worldObj.isRemote)
        {
            for (int var2 = 0; var2 < 9; ++var2)
            {
                ItemStack var3 = this.craftMatrix.getStackInSlotOnClosing(var2);

                if (var3 != null)
                {
                    p_75134_1_.dropPlayerItemWithRandomChoice(var3, false);
                }
            }
        }
    }

    public boolean canInteractWith(EntityPlayer playerIn)
    {
        return this.worldObj.getBlockState(this.field_178145_h).getBlock() != Blocks.crafting_table ? false : playerIn.getDistanceSq((double)this.field_178145_h.getX() + 0.5D, (double)this.field_178145_h.getY() + 0.5D, (double)this.field_178145_h.getZ() + 0.5D) <= 64.0D;
    }

    /**
     * Take a stack from the specified inventory slot.
     */
    public ItemStack transferStackInSlot(EntityPlayer playerIn, int index)
    {
        ItemStack var3 = null;
        Slot var4 = (Slot)this.inventorySlots.get(index);

        if (var4 != null && var4.getHasStack())
        {
            ItemStack var5 = var4.getStack();
            var3 = var5.copy();

            if (index == 0)
            {
                if (!this.mergeItemStack(var5, 10, 46, true))
                {
                    return null;
                }

                var4.onSlotChange(var5, var3);
            }
            else if (index >= 10 && index < 37)
            {
                if (!this.mergeItemStack(var5, 37, 46, false))
                {
                    return null;
                }
            }
            else if (index >= 37 && index < 46)
            {
                if (!this.mergeItemStack(var5, 10, 37, false))
                {
                    return null;
                }
            }
            else if (!this.mergeItemStack(var5, 10, 46, false))
            {
                return null;
            }

            if (var5.stackSize == 0)
            {
                var4.putStack((ItemStack)null);
            }
            else
            {
                var4.onSlotChanged();
            }

            if (var5.stackSize == var3.stackSize)
            {
                return null;
            }

            var4.onPickupFromSlot(playerIn, var5);
        }

        return var3;
    }

    public boolean func_94530_a(ItemStack p_94530_1_, Slot p_94530_2_)
    {
        return p_94530_2_.inventory != this.craftResult && super.func_94530_a(p_94530_1_, p_94530_2_);
    }
}
