battles/classes/Battles/UserStats.php

<?php
# Date: 03.02.2021 (11:05)

namespace Battles;

use Battles\Database\DBPDO;
use Exceptions\GameException;

class UserStats extends User
{
    protected $strength;
    protected $dexterity;
    protected $intuition;
    protected $endurance;
    protected $intelligence;
    protected $wisdom;
    protected $health;
    protected $mana;
    protected $free_stat_points;
    private const STAT_MAXIMUM_AMOUNT = 40;
    private const ERROR_STAT_IS_MAXIMUM = 'Ошибка: Параметр достиг своего лимита!';
    private const ERROR_STAT_UNKNOWN = 'Ошибка: Неизвестный параметр!';

    //// Неизменяемые для игрока(!) переменные.
    // Удар кулаком всегда 1-2.
    protected int $minDamage = 1;
    protected int $maxDamage = 2;
    // Природная броня всегда 0.
    // Зачем их три, если во всех формулах она одна?
    protected int $headArmor = 0;
    protected int $chestArmor = 0;
    protected int $legArmor = 0;
    // Динамически рассчитываемые
    protected int $maxHealth;
    protected int $maxMana;

    /**
     * UserStats constructor.
     *
     * @param $user
     */
    public function __construct($user)
    {
        parent::__construct($user);
        $this->maxHealth = round(($this->endurance * 3) + ($this->endurance / 2) * ($this->level - 1) + ($this->endurance / 5) * (($this->level - 1) * ($this->level - 2) / 2));
        $this->maxMana = round(($this->wisdom * 3) + ($this->wisdom / 2) * ($this->level - 1) + ($this->wisdom / 5) * (($this->level - 1) * ($this->level - 2) / 2));
    }

    /**
     * Отдаёт информацию о базовом(!) стате.
     *
     * @param     $stat_name - имя стата. Может принимать значения 'strength', 'dexterity', 'intuition',
     *                          'endurance', 'intelligence', 'wisdom'.
     * @param int $isMainWindow - переключатель "главного окна". Если включить, дополнительно будет показывать ссылку
     *                          на повышение стата на 1, при условии наличия свободных очков статов.
     *
     * @return string
     */
    public function getStat($stat_name, int $isMainWindow = 0): string
    {
        if (!in_array($stat_name, ['strength', 'dexterity', 'intuition', 'endurance', 'intelligence', 'wisdom'])) {
            return self::ERROR_STAT_UNKNOWN;
        }
        if ($this->free_stat_points && $isMainWindow && $this->$stat_name < self::STAT_MAXIMUM_AMOUNT) {
            $this->$stat_name .= " <a href='/main.php?edit=" . mt_rand() . "&ups=$stat_name'>[+]</a>";
        }
        return $this->$stat_name;

    }

    /**
     * Повышает один из выбранных статов на 1, но не выше self::STAT_MAXIMUM_AMOUNT при условии наличия свободных очков
     * статов.
     *
     * @param string $stat_name - имя стата. Может принимать значения 'strength', 'dexterity', 'intuition',
     *                          'endurance', 'intelligence', 'wisdom'.
     *
     * @throws GameException
     */
    public function addOnePointToStat(string $stat_name)
    {
        if (!in_array($stat_name, ['strength', 'dexterity', 'intuition', 'endurance', 'intelligence', 'wisdom'])) {
            throw new GameException(self::ERROR_STAT_UNKNOWN);
        }
        if ($this->free_stat_points <= 0 || $this->$stat_name >= self::STAT_MAXIMUM_AMOUNT) {
            throw new GameException(self::ERROR_STAT_IS_MAXIMUM);
        } else {
            $query = "UPDATE users SET {$stat_name} = {$stat_name} + 1, free_stat_points = free_stat_points - 1 WHERE id = ?";
            self::$db->execute($query, $this->id);
        }
    }

    /**
     * @return mixed
     */
    public function getStrength()
    {
        return $this->strength;
    }

    /**
     * @return mixed
     */
    public function getDexterity()
    {
        return $this->dexterity;
    }

    /**
     * @return mixed
     */
    public function getIntuition()
    {
        return $this->intuition;
    }

    /**
     * @return mixed
     */
    public function getEndurance()
    {
        return $this->endurance;
    }

    /**
     * @return mixed
     */
    public function getIntelligence()
    {
        return $this->intelligence;
    }

    /**
     * @return mixed
     */
    public function getWisdom()
    {
        return $this->wisdom;
    }

    /**
     * @return mixed
     */
    public function getHealth()
    {
        return $this->health;
    }

    /**
     * @return mixed
     */
    public function getMana()
    {
        return $this->mana;
    }

    /**
     * @return mixed
     */
    public function getFreeStatPoints()
    {
        return $this->free_stat_points;
    }

    /**
     * @return float
     */
    public function getMaxHealth(): float
    {
        return $this->maxHealth;
    }

    /**
     * @return float
     */
    public function getMaxMana(): float
    {
        return $this->maxMana;
    }

    /**
     * @return int
     */
    public function getHeadArmor(): int
    {
        return $this->headArmor;
    }

    /**
     * @return int
     */
    public function getChestArmor(): int
    {
        return $this->chestArmor;
    }

    /**
     * @return int
     */
    public function getLegArmor(): int
    {
        return $this->legArmor;
    }

    public function getFullStats()
    {
        $query = "
    select 
        sum(greatest(strength + (ifnull((select sum(add_strength) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)) + (ifnull((select sum(mod_strength) from users_effects where owner_id = $this->id), 0)), 0)) as strength,
        sum(greatest(dexterity + (ifnull((select sum(add_dexterity) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)) + (ifnull((select sum(mod_dexterity) from users_effects where owner_id = $this->id), 0)), 0)) as dexterity,
        sum(greatest(intuition + (ifnull((select sum(add_intuition) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)) + (ifnull((select sum(mod_intuition) from users_effects where owner_id = $this->id), 0)), 0)) as intuition,
        sum(greatest(endurance + (ifnull((select sum(add_endurance) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)) + (ifnull((select sum(mod_endurance) from users_effects where owner_id = $this->id), 0)), 0)) as endurance,
        sum(greatest(intelligence + (ifnull((select sum(add_intelligence) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)) + (ifnull((select sum(mod_intelligence) from users_effects where owner_id = $this->id), 0)), 0)) as intelligence,
        sum(greatest(wisdom + (ifnull((select sum(add_wisdom) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)) + (ifnull((select sum(mod_wisdom) from users_effects where owner_id = $this->id), 0)), 0)) as wisdom,
           ifnull((select sum(add_accuracy) from inventory where dressed_slot != 0 and owner_id = $this->id), 0) as accuracy,
           ifnull((select sum(add_evasion) from inventory where dressed_slot != 0 and owner_id = $this->id), 0) as evasion,
           ifnull((select sum(add_criticals) from inventory where dressed_slot != 0 and owner_id = $this->id), 0) as criticals,
           sum(greatest($this->minDamage + (ifnull((select sum(add_min_physical_damage) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)), 0)) as min_physical_damage,
           sum(greatest($this->maxDamage + (ifnull((select sum(add_max_physical_damage) from inventory where dressed_slot != 0 and owner_id = $this->id), 0)), 0)) as max_physical_damage
    from users where id = $this->id";
        return self::$db->ofetch($query);
    }

    public function levelUp(): string
    {
        $this->level += 1;
        $this->free_stat_points += 2;
        $this->saveStats();
        Chat::addSYSMessage('Внимание, вы получили ' . $this->level . 'уровень. Доступны очки распределения параметров.');
        return 'Персонаж перешёл на ' . $this->level . 'уровень.';
    }

    /** Сохраняет в базу актуальные статы, здоровье, ману, свободные очки статов и уровень.
     *
     */
    private function saveStats()
    {
        $query = 'update users set strength = ?, dexterity = ?, intuition = ?, endurance = ?,
                 intelligence = ?, wisdom = ?, health = ?, mana = ?, free_stat_points = ?, 
                 level = ? where id = ?';
        $vals = [
            $this->strength, //set
            $this->dexterity,
            $this->intuition,
            $this->endurance,
            $this->intelligence,
            $this->wisdom,
            $this->health,
            $this->mana,
            $this->free_stat_points,
            $this->level,
            $this->id //where
        ];
        DBPDO::$db->execute($query, $vals);
    }
}