Removed pocketmine subdirectory, map PSR-4 style

src/entity/AttributeMap.php

@@ -0,0 +1,85 @@
+<?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\entity;
+
+use function array_filter;
+
+class AttributeMap implements \ArrayAccess{
+	/** @var Attribute[] */
+	private $attributes = [];
+
+	public function addAttribute(Attribute $attribute) : void{
+		$this->attributes[$attribute->getId()] = $attribute;
+	}
+
+	/**
+	 * @param string $id
+	 *
+	 * @return Attribute|null
+	 */
+	public function getAttribute(string $id) : ?Attribute{
+		return $this->attributes[$id] ?? null;
+	}
+
+	/**
+	 * @return Attribute[]
+	 */
+	public function getAll() : array{
+		return $this->attributes;
+	}
+
+	/**
+	 * @return Attribute[]
+	 */
+	public function needSend() : array{
+		return array_filter($this->attributes, function(Attribute $attribute){
+			return $attribute->isSyncable() and $attribute->isDesynchronized();
+		});
+	}
+
+	public function offsetExists($offset) : bool{
+		return isset($this->attributes[$offset]);
+	}
+
+	/**
+	 * @param string $offset
+	 *
+	 * @return float
+	 */
+	public function offsetGet($offset) : float{
+		return $this->attributes[$offset]->getValue();
+	}
+
+	/**
+	 * @param string $offset
+	 * @param float  $value
+	 */
+	public function offsetSet($offset, $value) : void{
+		$this->attributes[$offset]->setValue($value);
+	}
+
+	public function offsetUnset($offset) : void{
+		throw new \RuntimeException("Could not unset an attribute from an attribute map");
+	}
+}