ItemRender.java

package mods.eln.misc;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.item.ItemStack;
import net.minecraftforge.client.IItemRenderer;
import org.lwjgl.opengl.GL11;

public class ItemRender implements IItemRenderer {

    private static final RenderItem renderItem = new RenderItem();

    @Override
    public boolean handleRenderType(ItemStack itemStack, ItemRenderType type) {
        return true;// type == ItemRenderType.INVENTORY || type == ;
    }

    @Override
    public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper) {
        return true;
    }

    @Override
    public void renderItem(ItemRenderType type, ItemStack itemStack, Object... data) {
        FontRenderer fontRenderer = Minecraft.getMinecraft().fontRenderer;
        //  GL11.glTranslatef(-0.5f, -0.5f, -0.5f);
        //           Eln.obj.draw("ElectricFurnace", "furnace");
        //  GL11.glTranslatef(0.5f, 0.5f, 0.5f);
        // ====================== Render item texture ======================
        // int iconIndex = itemStack.getIconIndex();
        //  renderItem.renderTexturedQuad(0, 0, iconIndex % 16 * 16, iconIndex / 16 * 16, 16, 16);

        // ====================== Render OpenGL square shape ======================
         /*   GL11.glDisable(GL11.GL_TEXTURE_2D);
            GL11.glEnable(GL11.GL_BLEND);
            GL11.glDepthMask(false);
            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

            Tessellator tessellator = Tessellator.instance;
            tessellator.startDrawing(GL11.GL_QUADS);
            tessellator.setColorRGBA(0, 0, 0, 128);
            tessellator.addVertex(0, 0, 0);
            tessellator.addVertex(0, 8, 0);
            tessellator.addVertex(8, 8, 0);
            tessellator.addVertex(8, 0, 0);
            tessellator.draw();

            GL11.glDepthMask(true);
            GL11.glDisable(GL11.GL_BLEND);*/

        // ====================== Render text ======================
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        String text = Integer.toString(itemStack.getItemDamage());
        //   fontRenderer.drawStringWithShadow(text, 1, 1, 0xFFFFFF);
    }
}