BloodMagic/src/main/java/WayofTime/bloodmagic/item/ItemSlate.java

package WayofTime.bloodmagic.item;

import WayofTime.bloodmagic.BloodMagic;
import WayofTime.bloodmagic.client.IVariantProvider;
import WayofTime.bloodmagic.util.helper.TextHelper;
import net.minecraft.client.util.ITooltipFlag;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.NonNullList;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class ItemSlate extends Item implements IVariantProvider
{
    public String[] names = { "blank", "reinforced", "imbued", "demonic", "ethereal" };

    public ItemSlate()
    {
        super();

        setCreativeTab(BloodMagic.TAB_BM);
        setUnlocalizedName(BloodMagic.MODID + ".slate.");
        setHasSubtypes(true);
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void getSubItems(CreativeTabs creativeTab, NonNullList<ItemStack> list)
    {
        if (!isInCreativeTab(creativeTab))
            return;

        for (int i = 0; i < names.length; i++)
            list.add(new ItemStack(this, 1, i));
    }

    @Override
    public String getUnlocalizedName(ItemStack stack)
    {
        return super.getUnlocalizedName(stack) + names[stack.getItemDamage()];
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void addInformation(ItemStack stack, World world, List<String> list, ITooltipFlag flag)
    {
        list.addAll(Arrays.asList(TextHelper.cutLongString(TextHelper.localizeEffect("tooltip.bloodmagic.slate.desc"))));
    }

    @Override
    public List<Pair<Integer, String>> getVariants()
    {
        List<Pair<Integer, String>> ret = new ArrayList<Pair<Integer, String>>();
        ret.add(new ImmutablePair<Integer, String>(0, "type=blank"));
        ret.add(new ImmutablePair<Integer, String>(1, "type=reinforced"));
        ret.add(new ImmutablePair<Integer, String>(2, "type=imbued"));
        ret.add(new ImmutablePair<Integer, String>(3, "type=demonic"));
        ret.add(new ImmutablePair<Integer, String>(4, "type=ethereal"));
        return ret;
    }
}