PocketMine-MP 5.17.1 git-df4ada81e5d74a14046f27cf44a37dcee69d657e
HeightArray.php
1<?php
2
3/*
4 *
5 * ____ _ _ __ __ _ __ __ ____
6 * | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
7 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
8 * | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
9 * |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
10 *
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * @author PocketMine Team
17 * @link http://www.pocketmine.net/
18 *
19 *
20 */
21
22declare(strict_types=1);
23
24namespace pocketmine\world\format;
25
26use function array_fill;
27use function count;
28
29final class HeightArray{
30
35 private \SplFixedArray $array;
36
41 public function __construct(array $values){
42 if(count($values) !== 256){
43 throw new \InvalidArgumentException("Expected exactly 256 values");
44 }
45 $this->array = \SplFixedArray::fromArray($values);
46 }
47
48 public static function fill(int $value) : self{
49 return new self(array_fill(0, 256, $value));
50 }
51
52 private static function idx(int $x, int $z) : int{
53 if($x < 0 || $x >= 16 || $z < 0 || $z >= 16){
54 throw new \InvalidArgumentException("x and z must be in the range 0-15");
55 }
56 return ($z << 4) | $x;
57 }
58
59 public function get(int $x, int $z) : int{
60 return $this->array[self::idx($x, $z)];
61 }
62
63 public function set(int $x, int $z, int $height) : void{
64 $this->array[self::idx($x, $z)] = $height;
65 }
66
71 public function getValues() : array{
72 return $this->array->toArray();
73 }
74
75 public function __clone(){
76 $this->array = clone $this->array;
77 }
78}