* Gets the hardness of block at the given coordinates in the given world, relative to the ability of the given
* EntityPlayer.
*/
public float getPlayerRelativeBlockHardness(EntityPlayer entityhuman) {
if (entityhuman instanceof EntityPlayerSP) {
FixedLocation target = Spoutcraft.getActivePlayer().getLastClickedLocation();
if (target != null) {
int x = (int) target.getX();
int y = (int) target.getY();
int z = (int) target.getZ();
SpoutcraftChunk chunk = Spoutcraft.getChunkAt(entityhuman.worldObj, x, y, z);
short customId = chunk.getCustomBlockId(x, y, z);
if (customId > 0) {
CustomBlock b = MaterialData.getCustomBlock(customId);
if (b == null) {