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This fixes EnumHelper.addToolMaterial() for me.


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EDIT: This seems to be a problem that only affects the Eclipse IDE. I have changed my *temporary* fix here to reflect the one being committed to the Forge core.

I was having a horrible time getting EnumHelper.addToolMaterial() to work for me, I must have looked at dozens of threads on various sites before I decided to see if the code itself was broken.


Skip to the header "The Fix" if you're not ready to hear me banter.


The Process

(Seemed like a fine name to me)


The amount of devil-worship that goes on inside this class is unspeakable. But I digress.


For those of you having issues getting around the following error output:


2013-04-03 23:13:03 [sEVERE] [ForgeModLoader] Could not find $VALUES field for enum: net.minecraft.item.EnumToolMaterial

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader] Runtime Deobf: false

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader] Fields:

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    WOOD: net.minecraft.item.EnumToolMaterial

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    STONE: net.minecraft.item.EnumToolMaterial

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    IRON: net.minecraft.item.EnumToolMaterial

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    EMERALD: net.minecraft.item.EnumToolMaterial

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    GOLD: net.minecraft.item.EnumToolMaterial

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    harvestLevel: int

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    maxUses: int

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    efficiencyOnProperMaterial: float

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    damageVsEntity: int

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    enchantability: int

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    customCraftingMaterial: net.minecraft.item.Item

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    $SWITCH_TABLE$net$minecraft$item$EnumToolMaterial: [i

2013-04-03 23:13:03 [sEVERE] [ForgeModLoader]    ENUM$VALUES: [Lnet.minecraft.item.EnumToolMaterial;



I get this error for innocuously doing nothing but defining my material:


package mods.lantz;


import net.minecraft.item.EnumToolMaterial;

import net.minecraftforge.common.EnumHelper;

import cpw.mods.fml.common.*;

import cpw.mods.fml.common.Mod.*;

import cpw.mods.fml.common.event.*;

import cpw.mods.fml.common.network.*;


@Mod(modid = "Lantz", name = "Lantz' Mod", version = "0.0.0")

@NetworkMod(clientSideRequired=true, serverSideRequired=false)

public class Lantz


// The instance of your mod that Forge uses.


    public static Lantz instance;


    public static final EnumToolMaterial ADMANTIUM = EnumHelper.addToolMaterial("ADMANTIUM", 2, 2000, 8.0F, 2, 18);


    // Says where the client and server 'proxy' code is loaded.

    @SidedProxy(clientSide="mods.lantz.client.ClientProxy", serverSide="mods.lantz.CommonProxy")

    public static CommonProxy proxy;



    public void preInit(FMLPreInitializationEvent event) {

            // Stub Method




    public void load(FMLInitializationEvent event) {





    public void postInit(FMLPostInitializationEvent event) {

            // Stub Method





I noticed that the last line in the error output mentioned a field named "ENUM$VALUES"


The Fix


So, I fixed the error by making the following change to EnumHelper:

// if (field.getName().equals("$VALUES")) // change to:
if (field.getName().equals("$VALUES") || field.getName().equals("ENUM$VALUES"))


And Voila, fixed.



Yes, my ideas can be naive. But I'm hoping that speaking my mind will inspire those who know what they are doing!

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I'm glad to see that the fix had been committed.


Excuse my erratic knowledge of the bug base, I had trouble finding the bug previously. When will this change be available in a stable release?

Yes, my ideas can be naive. But I'm hoping that speaking my mind will inspire those who know what they are doing!

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This change does not effect runtime at all this is purely a development time deal.

As it's the eclipse compiler that doesn't compile it to standard names.

I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
Consider supporting the team on Patreon

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