    001    package net.minecraft.block;
    002
    003    import cpw.mods.fml.relauncher.Side;
    004    import cpw.mods.fml.relauncher.SideOnly;
    005    import java.util.Random;
    006    import net.minecraft.block.material.Material;
    007    import net.minecraft.creativetab.CreativeTabs;
    008    import net.minecraft.enchantment.EnchantmentHelper;
    009    import net.minecraft.entity.player.EntityPlayer;
    010    import net.minecraft.item.ItemStack;
    011    import net.minecraft.stats.StatList;
    012    import net.minecraft.world.EnumSkyBlock;
    013    import net.minecraft.world.IBlockAccess;
    014    import net.minecraft.world.World;
    015
    016    public class BlockIce extends BlockBreakable
    017    {
    018        public BlockIce(int par1, int par2)
    019        {
    020            super(par1, par2, Material.ice, false);
    021            this.slipperiness = 0.98F;
    022            this.setTickRandomly(true);
    023            this.setCreativeTab(CreativeTabs.tabBlock);
    024        }
    025
    026        @SideOnly(Side.CLIENT)
    027
    028        /**
    029         * Returns which pass should this block be rendered on. 0 for solids and 1 for alpha
    030         */
    031        public int getRenderBlockPass()
    032        {
    033            return 1;
    034        }
    035
    036        @SideOnly(Side.CLIENT)
    037
    038        /**
    039         * Returns true if the given side of this block type should be rendered, if the adjacent block is at the given
    040         * coordinates.  Args: blockAccess, x, y, z, side
    041         */
    042        public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    043        {
    044            return super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, 1 - par5);
    045        }
    046
    047        /**
    048         * Called when the player destroys a block with an item that can harvest it. (i, j, k) are the coordinates of the
    049         * block and l is the block's subtype/damage.
    050         */
    051        public void harvestBlock(World par1World, EntityPlayer par2EntityPlayer, int par3, int par4, int par5, int par6)
    052        {
    053            par2EntityPlayer.addStat(StatList.mineBlockStatArray[this.blockID], 1);
    054            par2EntityPlayer.addExhaustion(0.025F);
    055
    056            if (this.canSilkHarvest() && EnchantmentHelper.getSilkTouchModifier(par2EntityPlayer))
    057            {
    058                ItemStack var9 = this.createStackedBlock(par6);
    059
    060                if (var9 != null)
    061                {
    062                    this.dropBlockAsItem_do(par1World, par3, par4, par5, var9);
    063                }
    064            }
    065            else
    066            {
    067                if (par1World.provider.isHellWorld)
    068                {
    069                    par1World.setBlockWithNotify(par3, par4, par5, 0);
    070                    return;
    071                }
    072
    073                int var7 = EnchantmentHelper.getFortuneModifier(par2EntityPlayer);
    074                this.dropBlockAsItem(par1World, par3, par4, par5, par6, var7);
    075                Material var8 = par1World.getBlockMaterial(par3, par4 - 1, par5);
    076
    077                if (var8.blocksMovement() || var8.isLiquid())
    078                {
    079                    par1World.setBlockWithNotify(par3, par4, par5, Block.waterMoving.blockID);
    080                }
    081            }
    082        }
    083
    084        /**
    085         * Returns the quantity of items to drop on block destruction.
    086         */
    087        public int quantityDropped(Random par1Random)
    088        {
    089            return 0;
    090        }
    091
    092        /**
    093         * Ticks the block if it's been scheduled
    094         */
    095        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
    096        {
    097            if (par1World.getSavedLightValue(EnumSkyBlock.Block, par2, par3, par4) > 11 - Block.lightOpacity[this.blockID])
    098            {
    099                if (par1World.provider.isHellWorld)
    100                {
    101                    par1World.setBlockWithNotify(par2, par3, par4, 0);
    102                    return;
    103                }
    104
    105                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
    106                par1World.setBlockWithNotify(par2, par3, par4, Block.waterStill.blockID);
    107            }
    108        }
    109
    110        /**
    111         * Returns the mobility information of the block, 0 = free, 1 = can't push but can move over, 2 = total immobility
    112         * and stop pistons
    113         */
    114        public int getMobilityFlag()
    115        {
    116            return 0;
    117        }
    118    }