class SharedAccountMounts : public PlayerScript
{
public:
    SharedAccountMounts() : PlayerScript("SharedAccountMounts") { }

    static const bool limitRace = false; // This set to true will only learn mounts from chars on the same team, do what you want.

    void OnLogin(Player* player, bool firstLogin)
    {
        std::vector<uint32> Guids;

        QueryResult result1 = CharacterDatabase.PQuery("SELECT guid, race FROM characters WHERE account = %u", player->GetSession()->GetAccountId());

        if (!result1)
            return;

        do
        {
            Field* fields = result1->Fetch();

            uint32 guid = fields[0].GetUInt32();
            uint32 race = fields[1].GetUInt8();

            if ((Player::TeamForRace(race) == Player::TeamForRace(player->getRace())) || !limitRace)
                Guids.push_back(result1->Fetch()[0].GetUInt32());

        } while (result1->NextRow());

        std::vector<uint32> Spells;

        for (auto& i : Guids)
        {
            QueryResult result2 = CharacterDatabase.PQuery("SELECT spell FROM character_spell WHERE guid = %u", i);

            if (!result2)
                continue;

            do
            {
                Spells.push_back(result2->Fetch()[0].GetUInt32());
            } while (result2->NextRow());
        }

        for (auto& i : Spells)
        {
            auto sSpell = sSpellStore.LookupEntry(i);

            if (sSpell->Effect[0] == SPELL_EFFECT_APPLY_AURA && sSpell->EffectApplyAuraName[0] == SPELL_AURA_MOUNTED)
                player->LearnSpell(sSpell->Id, false);
        }
    }
};

void AddSC_SharedAccountMounts()
{
    new SharedAccountMounts;
}