    001package net.minecraft.item;
    002
    003import net.minecraft.block.Block;
    004import net.minecraft.entity.player.EntityPlayer;
    005import net.minecraft.world.World;
    006
    007public class ItemSnow extends ItemBlockWithMetadata
    008{
    009    public ItemSnow(int par1, Block par2Block)
    010    {
    011        super(par1, par2Block);
    012    }
    013
    014    /**
    015     * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
    016     * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
    017     */
    018    public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
    019    {
    020        if (par1ItemStack.stackSize == 0)
    021        {
    022            return false;
    023        }
    024        else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7, par1ItemStack))
    025        {
    026            return false;
    027        }
    028        else
    029        {
    030            int i1 = par3World.getBlockId(par4, par5, par6);
    031
    032            if (i1 == Block.snow.blockID)
    033            {
    034                Block block = Block.blocksList[this.getBlockID()];
    035                int j1 = par3World.getBlockMetadata(par4, par5, par6);
    036                int k1 = j1 & 7;
    037
    038                if (k1 <= 6 && par3World.checkNoEntityCollision(block.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlockMetadataWithNotify(par4, par5, par6, k1 + 1 | j1 & -8, 2))
    039                {
    040                    par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), block.stepSound.getPlaceSound(), (block.stepSound.getVolume() + 1.0F) / 2.0F, block.stepSound.getPitch() * 0.8F);
    041                    --par1ItemStack.stackSize;
    042                    return true;
    043                }
    044            }
    045
    046            return super.onItemUse(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10);
    047        }
    048    }
    049}