    001package net.minecraft.block;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.client.renderer.texture.IconRegister;
    006import net.minecraft.dispenser.BehaviorDefaultDispenseItem;
    007import net.minecraft.dispenser.IBehaviorDispenseItem;
    008import net.minecraft.inventory.IInventory;
    009import net.minecraft.item.ItemStack;
    010import net.minecraft.tileentity.TileEntity;
    011import net.minecraft.tileentity.TileEntityDispenser;
    012import net.minecraft.tileentity.TileEntityDropper;
    013import net.minecraft.tileentity.TileEntityHopper;
    014import net.minecraft.util.Facing;
    015import net.minecraft.world.World;
    016
    017public class BlockDropper extends BlockDispenser
    018{
    019    private final IBehaviorDispenseItem dropperDefaultBehaviour = new BehaviorDefaultDispenseItem();
    020
    021    protected BlockDropper(int par1)
    022    {
    023        super(par1);
    024    }
    025
    026    @SideOnly(Side.CLIENT)
    027
    028    /**
    029     * When this method is called, your block should register all the icons it needs with the given IconRegister. This
    030     * is the only chance you get to register icons.
    031     */
    032    public void registerIcons(IconRegister par1IconRegister)
    033    {
    034        this.blockIcon = par1IconRegister.registerIcon("furnace_side");
    035        this.furnaceTopIcon = par1IconRegister.registerIcon("furnace_top");
    036        this.furnaceFrontIcon = par1IconRegister.registerIcon("dropper_front");
    037        this.field_96473_e = par1IconRegister.registerIcon("dropper_front_vertical");
    038    }
    039
    040    /**
    041     * Returns the behavior for the given ItemStack.
    042     */
    043    protected IBehaviorDispenseItem getBehaviorForItemStack(ItemStack par1ItemStack)
    044    {
    045        return this.dropperDefaultBehaviour;
    046    }
    047
    048    /**
    049     * Returns a new instance of a block's tile entity class. Called on placing the block.
    050     */
    051    public TileEntity createNewTileEntity(World par1World)
    052    {
    053        return new TileEntityDropper();
    054    }
    055
    056    protected void dispense(World par1World, int par2, int par3, int par4)
    057    {
    058        BlockSourceImpl blocksourceimpl = new BlockSourceImpl(par1World, par2, par3, par4);
    059        TileEntityDispenser tileentitydispenser = (TileEntityDispenser)blocksourceimpl.getBlockTileEntity();
    060
    061        if (tileentitydispenser != null)
    062        {
    063            int l = tileentitydispenser.getRandomStackFromInventory();
    064
    065            if (l < 0)
    066            {
    067                par1World.playAuxSFX(1001, par2, par3, par4, 0);
    068            }
    069            else
    070            {
    071                ItemStack itemstack = tileentitydispenser.getStackInSlot(l);
    072                int i1 = par1World.getBlockMetadata(par2, par3, par4) & 7;
    073                IInventory iinventory = TileEntityHopper.getInventoryAtLocation(par1World, (double)(par2 + Facing.offsetsXForSide[i1]), (double)(par3 + Facing.offsetsYForSide[i1]), (double)(par4 + Facing.offsetsZForSide[i1]));
    074                ItemStack itemstack1;
    075
    076                if (iinventory != null)
    077                {
    078                    itemstack1 = TileEntityHopper.insertStack(iinventory, itemstack.copy().splitStack(1), Facing.oppositeSide[i1]);
    079
    080                    if (itemstack1 == null)
    081                    {
    082                        itemstack1 = itemstack.copy();
    083
    084                        if (--itemstack1.stackSize == 0)
    085                        {
    086                            itemstack1 = null;
    087                        }
    088                    }
    089                    else
    090                    {
    091                        itemstack1 = itemstack.copy();
    092                    }
    093                }
    094                else
    095                {
    096                    itemstack1 = this.dropperDefaultBehaviour.dispense(blocksourceimpl, itemstack);
    097
    098                    if (itemstack1 != null && itemstack1.stackSize == 0)
    099                    {
    100                        itemstack1 = null;
    101                    }
    102                }
    103
    104                tileentitydispenser.setInventorySlotContents(l, itemstack1);
    105            }
    106        }
    107    }
    108}