Core/Cleanup

* try to give included files a logical structure
 * move objects from Util and Game to their own files
 * make non-essential files auto-loaded

includes/components/locstring.class.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Aowow;
+
+if (!defined('AOWOW_REVISION'))
+    die('illegal access');
+
+
+class LocString
+{
+    private \WeakMap $store;
+
+    public function __construct(array $data, string $key = 'name', ?callable $callback = null)
+    {
+        $this->store = new \WeakMap();
+
+        $callback ??= fn($x) => $x;
+
+        if (!array_filter($data, fn($v, $k) => $v && strstr($k, $key.'_loc'), ARRAY_FILTER_USE_BOTH))
+            trigger_error('LocString - is entrirely empty', E_USER_WARNING);
+
+        foreach (Locale::cases() as $l)
+            $this->store[$l] = (string)$callback($data[$key.'_loc'.$l->value] ?? '');
+    }
+
+    public function __toString() : string
+    {
+        if ($str = $this->store[Lang::getLocale()])
+            return $str;
+
+        foreach (Locale::cases() as $l)                // desired loc not set, use any other
+            if ($str = $this->store[$l])
+                return Cfg::get('DEBUG') ? '['.$str.']' : $str;
+
+        return Cfg::get('DEBUG') ? '[LOCSTRING]' : '';
+    }
+}
+
+?>