TinkersConstruct/src/main/java/tconstruct/smeltery/blocks/GlassBlock.java

package tconstruct.smeltery.blocks;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.entity.Entity;
import net.minecraft.util.IIcon;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import tconstruct.blocks.TConstructBlock;

public class GlassBlock extends TConstructBlock {

    static String[] blockTextures = { "glass_clear", "soulglass", "soulglass_clear" };

    public GlassBlock() {
        super(Material.glass, 3f, blockTextures);
    }

    @Override
    public boolean isOpaqueCube() {
        return false;
    }

    @Override
    @SideOnly(Side.CLIENT)
    public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5) {
        Block i1 = par1IBlockAccess.getBlock(par2, par3, par4);
        return i1 != this && super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, par5);
    }

    @Override
    public float getBlockHardness(World world, int x, int y, int z) {
        int meta = world.getBlockMetadata(x, y, z);
        switch (meta) {
            case 0:
                return 0.3F;
            case 1:
            case 2:
                return 50.0F;
            default:
                return blockHardness;
        }
    }

    @Override
    public float getExplosionResistance(Entity entity, World world, int x, int y, int z, double explosionX,
            double explosionY, double explosionZ) {
        int meta = world.getBlockMetadata(x, y, z);
        switch (meta) {
            case 0:
                return 1.5F;
            case 1:
            case 2:
                return 2000F;
            default:
                return getExplosionResistance(entity);
        }
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void registerBlockIcons(IIconRegister iconRegister) {
        this.icons = new IIcon[textureNames.length];

        for (int i = 0; i < this.icons.length; ++i) {
            this.icons[i] = iconRegister.registerIcon("tinker:glass/" + textureNames[i]);
        }
    }
}