Function apply_exp

crawl-ref/source/player.cc:2683–2738

}

void apply_exp()
{
    const unsigned int exp_gained = you.experience_pool;
    if (exp_gained == 0)
        return;

    you.experience_pool = 0;

    // xp-gated effects that don't use sprint inflation
    _handle_xp_penance(exp_gained);
    _handle_god_wrath(exp_gained);

    // evolution mutation timer
    if (you.attribute[ATTR_EVOL_XP] > 0 && you.can_safely_mutate())
        you.attribute[ATTR_EVOL_XP] -= exp_gained;

    // modified experience due to sprint inflation
    unsigned int skill_xp = exp_gained;
    if (crawl_state.game_is_sprint())
        skill_xp = sprint_modify_exp(skill_xp);

    // xp-gated effects that use sprint inflation
    _recharge_xp_evokers(skill_xp);
    _reduce_abyss_xp_timer(skill_xp);
    _handle_hp_drain(skill_xp);
    _handle_banes(skill_xp);
    _handle_ostracism(skill_xp);
    _handle_breath_recharge(skill_xp);
    _handle_cacophony_recharge(skill_xp);
    _handle_batform_recharge(skill_xp);
    _handle_watery_grave_recharge(skill_xp);

    if (player_under_penance(GOD_HEPLIAKLQANA))
        return; // no xp for you!

    // handle actual experience gains,
    // i.e. XL and skills

    dprf("gain_exp: %d", exp_gained);

    if (you.experience + exp_gained > (unsigned int)MAX_EXP_TOTAL)
        you.experience = MAX_EXP_TOTAL;
    else
        you.experience += exp_gained;

    you.exp_available += 10 * skill_xp;

    train_skills();
    while (check_selected_skills()
           && you.exp_available >= calc_skill_cost(you.skill_cost_level))
    {
        train_skills();
    }

    level_change();
}

bool will_gain_life(int lev)