ItemAxe.java

package net.minecraft.item;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;

public class ItemAxe extends ItemTool
{
    /** an array of the blocks this axe is effective against */
    public static final Block[] blocksEffectiveAgainst = new Block[] {Block.planks, Block.bookShelf, Block.wood, Block.chest, Block.stoneDoubleSlab, Block.stoneSingleSlab, Block.pumpkin, Block.pumpkinLantern};

    public ItemAxe(int par1, EnumToolMaterial par2EnumToolMaterial)
    {
        super(par1, 3, par2EnumToolMaterial, blocksEffectiveAgainst);
    }

    /**
     * Returns the strength of the stack against a given block. 1.0F base, (Quality+1)*2 if correct blocktype, 1.5F if
     * sword
     */
    public float getStrVsBlock(ItemStack par1ItemStack, Block par2Block)
    {
        return par2Block != null && (par2Block.blockMaterial == Material.wood || par2Block.blockMaterial == Material.plants || par2Block.blockMaterial == Material.vine) ? this.efficiencyOnProperMaterial : super.getStrVsBlock(par1ItemStack, par2Block);
    }
}