package net.minecraft.tileentity;

import java.util.Random;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;

public class TileEntityDispenser extends TileEntity implements IInventory
{
	private ItemStack[] field_146022_i = new ItemStack[9];
	private Random field_146021_j = new Random();
	protected String field_146020_a;
	private static final String __OBFID = "CL_00000352";

	public int getSizeInventory()
	{
		return 9;
	}

	public ItemStack getStackInSlot(int par1)
	{
		return this.field_146022_i[par1];
	}

	public ItemStack decrStackSize(int par1, int par2)
	{
		if (this.field_146022_i[par1] != null)
		{
			ItemStack itemstack;

			if (this.field_146022_i[par1].stackSize <= par2)
			{
				itemstack = this.field_146022_i[par1];
				this.field_146022_i[par1] = null;
				this.markDirty();
				return itemstack;
			}
			else
			{
				itemstack = this.field_146022_i[par1].splitStack(par2);

				if (this.field_146022_i[par1].stackSize == 0)
				{
					this.field_146022_i[par1] = null;
				}

				this.markDirty();
				return itemstack;
			}
		}
		else
		{
			return null;
		}
	}

	public ItemStack getStackInSlotOnClosing(int par1)
	{
		if (this.field_146022_i[par1] != null)
		{
			ItemStack itemstack = this.field_146022_i[par1];
			this.field_146022_i[par1] = null;
			return itemstack;
		}
		else
		{
			return null;
		}
	}

	public int func_146017_i()
	{
		int i = -1;
		int j = 1;

		for (int k = 0; k < this.field_146022_i.length; ++k)
		{
			if (this.field_146022_i[k] != null && this.field_146021_j.nextInt(j++) == 0)
			{
				i = k;
			}
		}

		return i;
	}

	public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
	{
		this.field_146022_i[par1] = par2ItemStack;

		if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit())
		{
			par2ItemStack.stackSize = this.getInventoryStackLimit();
		}

		this.markDirty();
	}

	public int func_146019_a(ItemStack p_146019_1_)
	{
		for (int i = 0; i < this.field_146022_i.length; ++i)
		{
			if (this.field_146022_i[i] == null || this.field_146022_i[i].getItem() == null)
			{
				this.setInventorySlotContents(i, p_146019_1_);
				return i;
			}
		}

		return -1;
	}

	public String getInventoryName()
	{
		return this.hasCustomInventoryName() ? this.field_146020_a : "container.dispenser";
	}

	public void func_146018_a(String p_146018_1_)
	{
		this.field_146020_a = p_146018_1_;
	}

	public boolean hasCustomInventoryName()
	{
		return this.field_146020_a != null;
	}

	public void readFromNBT(NBTTagCompound p_145839_1_)
	{
		super.readFromNBT(p_145839_1_);
		NBTTagList nbttaglist = p_145839_1_.getTagList("Items", 10);
		this.field_146022_i = new ItemStack[this.getSizeInventory()];

		for (int i = 0; i < nbttaglist.tagCount(); ++i)
		{
			NBTTagCompound nbttagcompound1 = nbttaglist.getCompoundTagAt(i);
			int j = nbttagcompound1.getByte("Slot") & 255;

			if (j >= 0 && j < this.field_146022_i.length)
			{
				this.field_146022_i[j] = ItemStack.loadItemStackFromNBT(nbttagcompound1);
			}
		}

		if (p_145839_1_.hasKey("CustomName", 8))
		{
			this.field_146020_a = p_145839_1_.getString("CustomName");
		}
	}

	public void writeToNBT(NBTTagCompound p_145841_1_)
	{
		super.writeToNBT(p_145841_1_);
		NBTTagList nbttaglist = new NBTTagList();

		for (int i = 0; i < this.field_146022_i.length; ++i)
		{
			if (this.field_146022_i[i] != null)
			{
				NBTTagCompound nbttagcompound1 = new NBTTagCompound();
				nbttagcompound1.setByte("Slot", (byte)i);
				this.field_146022_i[i].writeToNBT(nbttagcompound1);
				nbttaglist.appendTag(nbttagcompound1);
			}
		}

		p_145841_1_.setTag("Items", nbttaglist);

		if (this.hasCustomInventoryName())
		{
			p_145841_1_.setString("CustomName", this.field_146020_a);
		}
	}

	public int getInventoryStackLimit()
	{
		return 64;
	}

	public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
	{
		return this.worldObj.getTileEntity(this.xCoord, this.yCoord, this.zCoord) != this ? false : par1EntityPlayer.getDistanceSq((double)this.xCoord + 0.5D, (double)this.yCoord + 0.5D, (double)this.zCoord + 0.5D) <= 64.0D;
	}

	public void openInventory() {}

	public void closeInventory() {}

	public boolean isItemValidForSlot(int par1, ItemStack par2ItemStack)
	{
		return true;
	}
}