Refactoring classes into src/ folder, so they will be auto-loaded by composer

system/src/NPCs.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * NPC class
+ *
+ * @package   MyAAC
+ * @author    Gesior <jerzyskalski@wp.pl>
+ * @author    Slawkens <slawkens@gmail.com>
+ * @author    Lee
+ * @copyright 2021 MyAAC
+ * @link      https://my-aac.org
+ */
+
+namespace MyAAC;
+
+use MyAAC\Cache\PHP as CachePHP;
+
+class NPCs
+{
+	public static $npcs;
+
+	public static function loadFromXML($show = false)
+	{
+		$npc_path = config('data_path') . 'npc/';
+		if (!file_exists($npc_path))
+			return false;
+
+		$npcs = [];
+		$xml = new \DOMDocument();
+		foreach (preg_grep('~\.(xml)$~i', scandir($npc_path)) as $npc) {
+			$xml->load($npc_path . $npc);
+			if ($xml) {
+				$element = $xml->getElementsByTagName('npc')->item(0);
+				if (isset($element)) {
+					$name = $element->getAttribute('name');
+					if (!empty($name) && !in_array($name, $npcs)) {
+						$npcs[] = strtolower($name);
+					}
+				}
+			}
+		}
+
+		if (count($npcs) == 0) {
+			return false;
+		}
+
+		$cache_php = new CachePHP(config('cache_prefix'), CACHE . 'persistent/');
+		$cache_php->set('npcs', $npcs, 5 * 365 * 24 * 60 * 60);
+		return true;
+	}
+
+	public static function load()
+	{
+		if (self::$npcs) {
+			return;
+		}
+
+		$cache_php = new CachePHP(config('cache_prefix'), CACHE . 'persistent/');
+		self::$npcs = $cache_php->get('npcs');
+	}
+}