I tried this by adding these to my client proxy preInit, but no spawn egg or entity is registered. Did I do anything wrong, there aren't any errors in the code.
EntityRegistry.registerModEntity(EntityOompah.class, "oompah", 0, Main.instance, 80, 3, false, 6750105, 7859797);
RenderingRegistry.registerEntityRenderingHandler(EntityOompah.class, new IRenderFactory<Entity>()
{
@Override
public Render<? super Entity> createRenderFor(RenderManager manager)
{
return new RenderOompah(manager, null, 0);
}
});