Cleaned up shared rotation code, fixed quartz pillar rotation, added bone blocks

src/pocketmine/block/utils/PillarRotationHelper.php

@@ -0,0 +1,39 @@
+<?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/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\block\utils;
+
+use pocketmine\math\Vector3;
+
+class PillarRotationHelper{
+
+	public static function getMetaFromFace(int $meta, int $face) : int{
+		$faces = [
+			Vector3::SIDE_DOWN => 0,
+			Vector3::SIDE_NORTH => 0x08,
+			Vector3::SIDE_WEST => 0x04,
+		];
+
+		return ($meta & 0x03) | $faces[$face & ~0x01];
+	}
+}