My custom furnace doesn't change his texture when it's active

 

Block class

package com.TheTroop.legendrymod;

import java.util.Random;

import cpw.mods.fml.common.network.internal.FMLNetworkHandler;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.block.BlockContainer;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.IIcon;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;

public class blockOven extends BlockContainer{

private Random rand;
private final boolean isActive;
private static boolean keepInventory = false;

@SideOnly(Side.CLIENT)
private IIcon iconFront;

public blockOven(boolean blockState) {
	super(Material.iron);
	rand =  new Random();
	isActive = blockState;
}

@SideOnly(Side.CLIENT)
public void registerBlockIcons(IIconRegister iconRegister) {
	this.blockIcon = iconRegister.registerIcon("lm" + ":" + (this.isActive ? "blockOvenSideOn" : "blockOvenSideOff"));
	this.iconFront = iconRegister.registerIcon("lm" + ":" + (this.isActive ? "blockOvenFrontOn" : "blockOvenFrontOff"));
}

@SideOnly(Side.CLIENT)
public IIcon getIcon(int side, int metadata) {
	return metadata == 0 && side == 3 ? this.iconFront : (side == metadata ? this.iconFront : this.blockIcon);
}

public void onBlockAdded(World world, int x, int y, int z) {
	super.onBlockAdded(world, x, y, z);
	this.setDefaultDirection(world, x, y, z);
}

private void setDefaultDirection(World world, int x, int y, int z) {

	if(!world.isRemote) {
		Block block1 = world.getBlock(x, y, z - 1);
		Block block2 = world.getBlock(x, y, z +1);
		Block block3 = world.getBlock(x - 1, y, z);
		Block block4 = world.getBlock(x + 1, y, z);

		byte b0 = 3;

		if(block1.func_149730_j() && !block2.func_149730_j()) {
			b0 = 3;
		}

		if(block1.func_149730_j() && !block1.func_149730_j()) {
			b0 = 2;
		}

		if(block1.func_149730_j() && !block4.func_149730_j()) {
			b0 = 5;
		}

		if(block1.func_149730_j() && !block3.func_149730_j()) {
			b0 = 4;
		}

		world.setBlockMetadataWithNotify(x, y, z, b0, 2);
	}
}

public void onBlockPlacedBy(World world, int x, int y, int z, EntityLivingBase entityPlayer, ItemStack itemstack) {
	int i = MathHelper.floor_double((double)(entityPlayer.rotationYaw * 4.0F / 360F) + 0.5D) & 3;

	if(i == 0) {
		world.setBlockMetadataWithNotify(x, y, z, 2, 2);
	}
	if(i == 1) {
		world.setBlockMetadataWithNotify(x, y, z, 5, 2);
	}
	if(i == 2) {
		world.setBlockMetadataWithNotify(x, y, z, 3, 2);
	}
	if(i == 3) {
		world.setBlockMetadataWithNotify(x, y, z, 4, 2);
	}

	if(itemstack.hasDisplayName()) {
		//((TileEntityblockOven)world.getTileEntity(x, y, z)).setCustomName(itemstack.getDisplayName());
	}

}

public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player, int side, float hitX, float hitY, float hitZ) {
	if (world.isRemote) {
		return true;
	}else if (!player.isSneaking()) {
		TileEntityblockOven entity = (TileEntityblockOven) world.getTileEntity(x, y, z);
		if (entity != null) {
			FMLNetworkHandler.openGui(player, LegendryMod.instance, LegendryMod.guiIDblockOven, world, x, y, z);
		}
		return true;
	}else{
		return false;
	}
}

@Override
public TileEntity createNewTileEntity(World p_149915_1_, int p_149915_2_) {
	return new TileEntityblockOven();
}

public static void updateBlockState(boolean isMashing, World world, int xCoord, int yCoord, int zCoord) {
  
	int i = world.getBlockMetadata(xCoord, yCoord, zCoord);
	TileEntity entity = world.getTileEntity(xCoord, yCoord, zCoord);
	keepInventory = true;

	if (isMashing) {
		world.setBlock(yCoord, yCoord, zCoord, LegendryMod.blockOvenActive);
	}else{
		world.setBlock(yCoord, yCoord, zCoord, LegendryMod.blockOvenIdle);

	}
	keepInventory = false;
	world.setBlockMetadataWithNotify(xCoord, yCoord, zCoord, i, 2);

	if (entity != null) {
		entity.validate();
		world.setTileEntity(xCoord, yCoord, zCoord, entity);
	}
}

}

can anyone help?