ItemMekanismShovel.java

package mekanism.tools.item;

import java.util.Set;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.SoundEvents;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

import com.google.common.collect.Sets;

public class ItemMekanismShovel extends ItemMekanismTool
{
	private static final Set<Block> EFFECTIVE_ON = Sets.newHashSet(new Block[] {Blocks.CLAY, Blocks.DIRT, Blocks.FARMLAND, Blocks.GRASS, Blocks.GRAVEL, Blocks.MYCELIUM, Blocks.SAND, Blocks.SNOW, Blocks.SNOW_LAYER, Blocks.SOUL_SAND, Blocks.GRASS_PATH});

	public ItemMekanismShovel(ToolMaterial enumtoolmaterial)
	{
		super(1.5F, -3, enumtoolmaterial, EFFECTIVE_ON);
	}

	@Override
	public boolean canHarvestBlock(IBlockState state, ItemStack stack)
	{
        Block block = state.getBlock();
        return block == Blocks.SNOW_LAYER || block == Blocks.SNOW;
	}
	
	@Override
	public EnumActionResult onItemUse(ItemStack stack, EntityPlayer playerIn, World worldIn, BlockPos pos, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ)
    {
        if(!playerIn.canPlayerEdit(pos.offset(facing), facing, stack))
        {
            return EnumActionResult.FAIL;
        }
        else {
            IBlockState iblockstate = worldIn.getBlockState(pos);
            Block block = iblockstate.getBlock();

            if(facing != EnumFacing.DOWN && worldIn.getBlockState(pos.up()).getMaterial() == Material.AIR && block == Blocks.GRASS)
            {
                IBlockState iblockstate1 = Blocks.GRASS_PATH.getDefaultState();
                worldIn.playSound(playerIn, pos, SoundEvents.ITEM_SHOVEL_FLATTEN, SoundCategory.BLOCKS, 1.0F, 1.0F);

                if(!worldIn.isRemote)
                {
                    worldIn.setBlockState(pos, iblockstate1, 11);
                    stack.damageItem(1, playerIn);
                }

                return EnumActionResult.SUCCESS;
            }
            else {
                return EnumActionResult.PASS;
            }
        }
    }
}