load some non-class constants with composer

this makes PHPStan happy and also makes working with PM code externally less of a pain in the ass.

composer.json

@@ -36,7 +36,11 @@
    "autoload": {
       "psr-4": {
          "": ["src"]
-      }
+      },
+      "files": [
+         "src/pocketmine/GlobalConstants.php",
+         "src/pocketmine/VersionInfo.php"
+      ]
    },
    "autoload-dev": {
       "psr-4": {

src/pocketmine/GlobalConstants.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+// composer autoload doesn't use require_once and also pthreads can inherit things
+if(defined('pocketmine\_GLOBAL_CONSTANTS_INCLUDED')){
+	return;
+}
+define('pocketmine\_GLOBAL_CONSTANTS_INCLUDED', true);
+
+const INT32_MIN = -0x80000000;
+const INT32_MAX = 0x7fffffff;
+define("INT32_MASK", is_int(0xffffffff) ? 0xffffffff : -1);

src/pocketmine/PocketMine.php

@@ -21,11 +21,6 @@
 
 declare(strict_types=1);
 
-namespace {
-	const INT32_MIN = -0x80000000;
-	const INT32_MAX = 0x7fffffff;
-}
-
 namespace pocketmine {
 
 	use pocketmine\utils\MainLogger;
@@ -160,7 +155,6 @@ namespace pocketmine {
 
 		error_reporting(-1);
 		set_ini_entries();
-		@define("INT32_MASK", is_int(0xffffffff) ? 0xffffffff : -1);
 
 		if(\Phar::running(true) !== ""){
 			define('pocketmine\PATH', \Phar::running(true) . "/");

src/pocketmine/VersionInfo.php

@@ -21,6 +21,14 @@
 
 namespace pocketmine;
 
+// composer autoload doesn't use require_once and also pthreads can inherit things
+// TODO: drop this file and use a final class with constants
+if(defined('pocketmine\_VERSION_INFO_INCLUDED')){
+	return;
+}
+const _VERSION_INFO_INCLUDED = true;
+
+
 const NAME = "PocketMine-MP";
 const BASE_VERSION = "3.9.8";
 const IS_DEVELOPMENT_BUILD = true;