minecraft-kajetans-mod/src/main/java/me/km/blocks/EnumMetals.java

package me.km.blocks;

import me.km.items.ModItems;
import net.minecraft.block.material.MapColor;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.util.IStringSerializable;

public enum EnumMetals implements IStringSerializable
{
    COPPER(0, "copper", MapColor.BROWN, ModItems.copperIngot),
    TIN(1, "tin", MapColor.SILVER, ModItems.tinIngot),
    BRONZE(2, "bronze", MapColor.YELLOW, ModItems.bronzeIngot),
    GOLD(3, "gold", MapColor.GOLD, Items.GOLD_INGOT),
    IRON(4, "iron", MapColor.IRON, Items.IRON_INGOT),
    SILVER(5, "silver", MapColor.SILVER, ModItems.silverIngot);

    private static final EnumMetals[] META_LOOKUP = new EnumMetals[values().length];
    private final int meta;
    private final String name;
    private final MapColor mapColor;
    private Item item;

    private EnumMetals(int meta, String name, MapColor mapColor, Item item)
    {
        this.meta = meta;
        this.name = name;
        this.mapColor = mapColor;
        this.item = item;
    }

    public Item getMetalIngot() 
    {
        return item;
    }
    
    // items become null somehow
    public static void fixMetalIngots() 
    {
        COPPER.item = ModItems.copperIngot;
        TIN.item = ModItems.tinIngot;
        BRONZE.item = ModItems.bronzeIngot;
        SILVER.item = ModItems.silverIngot;
    }
    
    public int getMetadata()
    {
        return this.meta;
    }

    public MapColor getMapColor()
    {
        return this.mapColor;
    }

    @Override
    public String toString()
    {
        return this.name;
    }

    public static EnumMetals byMetadata(int meta)
    {
        if (meta < 0 || meta >= META_LOOKUP.length)
        {
            meta = 0;
        }
        return META_LOOKUP[meta];
    }

    @Override
    public String getName()
    {
        return this.name;
    }

    public String getUnlocalizedName()
    {
        return this.name;
    }

    static
    {
        for(EnumMetals metal : values())
        {
            META_LOOKUP[metal.getMetadata()] = metal;
        }
    }
}