class spell_gen_allow_cast_from_item_only : public SpellScriptLoader
{
public:
    spell_gen_allow_cast_from_item_only() : SpellScriptLoader("spell_gen_allow_cast_from_item_only") { }

    class spell_gen_allow_cast_from_item_only_SpellScript : public SpellScript
    {
        PrepareSpellScript(spell_gen_allow_cast_from_item_only_SpellScript);

        SpellCastResult CheckRequirement()
        {
            if (!GetCastItem())
                return SPELL_FAILED_CANT_DO_THAT_RIGHT_NOW;

            return SPELL_CAST_OK;
        }

        void Register()
        {
            OnCheckCast += SpellCheckCastFn(spell_gen_allow_cast_from_item_only_SpellScript::CheckRequirement);
        }
    };

    SpellScript* GetSpellScript() const
    {
        return new spell_gen_allow_cast_from_item_only_SpellScript();
    }
};