Modded Minecraft Pickaxe Code (Mines only obsidian faster)

package Tutorial.common;

import net.minecraft.src.Block;
import net.minecraft.src.EnumToolMaterial;
import net.minecraft.src.ItemPickaxe;
import net.minecraft.src.ItemStack;
import net.minecraft.src.Material;

public class ItemYourPick extends ItemPickaxe
{

public ItemYourPick(int par1, EnumToolMaterial par2EnumToolMaterial)
{
super(par1, par2EnumToolMaterial);
}

public String getTextureFile()
{
return "/TutTextures.png";
}

public boolean canHarvestBlock(Block par1Block)
    {
        return par1Block == Block.obsidian ? this.toolMaterial.getHarvestLevel() == 2 : (par1Block != Block.blockDiamond && par1Block != Block.oreDiamond ? (par1Block == Block.oreEmerald ? this.toolMaterial.getHarvestLevel() >= 2 : (par1Block != Block.blockGold && par1Block != Block.oreGold ? (par1Block != Block.blockSteel && par1Block != Block.oreIron ? (par1Block != Block.blockLapis && par1Block != Block.oreLapis ? (par1Block != Block.oreRedstone && par1Block != Block.oreRedstoneGlowing ? (par1Block.blockMaterial == Material.rock ? true : par1Block.blockMaterial == Material.iron) : this.toolMaterial.getHarvestLevel() >= 2) : this.toolMaterial.getHarvestLevel() >= 1) : this.toolMaterial.getHarvestLevel() >= 1) : this.toolMaterial.getHarvestLevel() >= 2)) : this.toolMaterial.getHarvestLevel() >= 2);
    }

public float getStrVsBlock(ItemStack par1ItemStack, Block par2Block)
    {
if(par2Block.blockID == Block.obsidian.blockID)
{
return 80F;
}
else
return par2Block != null && (par2Block.blockMaterial == Material.iron || par2Block.blockMaterial == Material.rock) ? this.efficiencyOnProperMaterial : super.getStrVsBlock(par1ItemStack, par2Block);
    }
}