SWDB/application/entity/K_Skill.php

<?php
    /**
     * Skill entity file.
     *
     * Creates the entity and makes it available.
     *
     * @category Entity
     */

    /**
     * Require dependent entities if not present.
     */
    require_once(PATH::ENTITY . "Entity.php");
    require_once(PATH::ENTITY . "K_Skill_Level.php");
    require_once(PATH::ENTITY . "K_Effect.php");


    /**
     * Monster skill.
     *
     * Represents an object from the table 'k_skill'.
     *
     * @category Entity
     */
    class K_Skill extends Entity{

        /**
         * @var int Skill identifier.
         */
        public $id;

        /**
         * @var string Skill name.
         */
        public $name;

        /**
         * @var string Skill description.
         */
        public $description;

        /**
         * @var int Skill order.
         */
        public $slot;

        /**
         * @var int Skill cooldown turns.
         */
        public $cooltime;

        /**
         * @var int Number of hits.
         */
        public $hits;

        /**
         * @var bool Wether the skill is passive or not.
         */
        public $passive;

        /**
         * @var bool Wether the skill is AOE.
         */
        public $aoe;

        /**
         * @var int Skill max level.
         */
        public $max_level;

        /**
         * @var string Skill formula.
         */
        public $multiplier_formula;

        /**
         * @var K_SKill The skill upgrading this one.
         */
        public $upgrade;

        /**
         * @var \K_Skill_Level[] Available skill levels.
         */
        public $level = [];

        /**
         * @var \K_Effect[] Associated eeffects.
         */
        public $effect = [];

        /**
         * Constructor.
         *
         * Searches the database and retrieves the information about the
         * skill, populating it and it's items.
         *
         * @param int $id Skill identifier.
         * @global resource Database connection.
         */
        public function __construct($id){

            global $db;

            $statement = $db->prepare("
              SELECT
                id,
                name,
                description,
                slot,
                cooltime,
                hits,
                passive,
                aoe,
                max_level,
                multiplier_formula
              FROM k_skill
              WHERE id = :id;
            ");
            $statement->bindValue(':id', $id, SQLITE3_INTEGER);
            $r = $statement->execute()->fetchArray(SQLITE3_ASSOC);
            if ($r){
                $this->id = $r["id"];
                $this->name = HTML::e($r["name"]);
                $this->description = HTML::e($r["description"]);
                $this->slot = $r["slot"];
                $this->cooltime = $r["cooltime"];
                $this->hits = $r["hits"];
                $this->passive = $r["passive"];
                $this->aoe = $r["aoe"];
                $this->max_level = $r["max_level"];
                $this->multiplier_formula = HTML::e($r["multiplier_formula"]);
                $statement = $db->prepare("
                  SELECT
                    skill,
                    level
                  FROM k_skill_level
                  WHERE skill = :skill
                  ORDER BY level;
                ");
                $statement->bindValue(':skill', $this->id, SQLITE3_INTEGER);
                $q = $statement->execute();
                while ($r = $q->fetchArray(SQLITE3_ASSOC)){
                    array_push($this->level, new K_Skill_Level($r["skill"], $r["level"]));
                }
                $statement = $db->prepare("
                  SELECT DISTINCT effect
                  FROM k_skill_effect
                  WHERE skill = :skill;
                ");
                $statement->bindValue(':skill', $this->id, SQLITE3_INTEGER);
                $q = $statement->execute();
                while ($r = $q->fetchArray(SQLITE3_ASSOC)){
                    array_push($this->effect, new K_Effect($r["effect"]));
                }
            }
        }

        /**
         * Gets the path to the skill image. The image must be in the
         * img/skill/ directory, and its name must be the set id,
         * padded with '0' to 8 digits, and the extension must be '.png'.
         *
         * @return string Image URL, or a fixed unknown image.
         */
        public function get_image(){
            return APPLICATION::img("SKILL", $this->id);
        }
    }
?>