package cuivre;

import javax.swing.text.html.parser.Entity;

import net.minecraft.item.EnumArmorMaterial;
import net.minecraft.item.ItemArmor;
import net.minecraft.item.ItemStack;

public class AC extends ItemArmor
{
    public AC(int id, EnumArmorMaterial armorMaterial, int type, int layer)
    {
        super(id, armorMaterial, type, layer);
    }

    public String getArmorTexture(ItemStack stack, Entity entity, int slot, int layer)
    {
        if(stack.itemID == cuivremenu.PC.itemID || stack.itemID == cuivremenu.CC.itemID || stack.itemID == cuivremenu.SC.itemID)
        {
            return "rm:textures/items/armor/PLC.png";
        }
        else if (stack.itemID == cuivremenu.JC.itemID)
        {
            return "rm:textures/items/armor/JAC.png";
        }
        return iconString;
    }

    public boolean getIsRepairable(ItemStack stack, ItemStack stack2)
    {
        return false;
    }
}

JAC est le nom de mes jambières et JPC le nom du reste
Et je vous donne le cuivremenu si ça vous intéresse

    public void preInit(FMLPreInitializationEvent event) {

    }

    @EventHandler
    public void load(FMLInitializationEvent event) {
        proxy.registerRenderers();

        MCU = new MCU(609).setTextureName("rm:MCU");

        GameRegistry.registerItem(MCU, "C1");

        LanguageRegistry.addName(MCU, "lingot de cuivre");

        BC = new BC(610).setTextureName("rm:BC");

        GameRegistry.registerBlock(BC, "Bertrand");

        LanguageRegistry.addName(BC, "Block de Cuivre");

        CC = new AC(611,MC, 0, 0).setUnlocalizedName("lol").setTextureName("rm:CC");
        PC = new AC(612,MC, 0, 1).setUnlocalizedName("yolo").setTextureName("rm:PC");
        JC = new AC(613,MC, 0, 2).setUnlocalizedName("yolo2").setTextureName("rm:JC");
        SC = new AC(614,MC, 0, 3).setUnlocalizedName("WTC").setTextureName("rm:SC");

        GameRegistry.registerItem(CC, "lol");
        GameRegistry.registerItem(PC, "megayolo");
        GameRegistry.registerItem(JC, "xd");
        GameRegistry.registerItem(SC, "toiquiregardelescodes");

        LanguageRegistry.addName(CC, "Casque Cuivre");
        LanguageRegistry.addName(PC, "Plastron Cuivre");
        LanguageRegistry.addName(JC, " Cuivre");
        LanguageRegistry.addName(SC, "Botte Cuivre");
        //laisser l'escalier en bas
        EC = new EC(611, BC, 0).setUnlocalizedName("Freeen");

        GameRegistry.registerBlock(EC, "Escalier de cuivre");

        LanguageRegistry.addName(EC, "Escalier de cuivre");
   }

    @EventHandler
    public void Init(FMLInitializationEvent event)
    {
        proxy.registerRenderers();

        GameRegistry.addRecipe(new ItemStack(BC),
        new Object[]{
        "XXX",
        "XXX",
        "XXX",

        'X', MCU});

    }

    @EventHandler
    public void postInit(FMLPostInitializationEvent event) {

    }
}

Voila je suis désolé d’abuser a ce point de votre gentillesse
cordialement azatom.