RandomBlock template

RandomBlock.php

<?php
declare(strict_types=1);

namespace ShutTheFuckUp;

use InvalidArgumentException;
use pocketmine\block\Block;
use pocketmine\block\VanillaBlocks;

class RandomBlock{
	/** @var Block[] */
	protected array $array = [];

	/** @var Block[] */
	protected array $block_list;
	/** @var int[] */
	protected array $percent_list;

	public function __construct(){
		$this->block_list = [
			VanillaBlocks::DIRT(),
			VanillaBlocks::STONE(),
			VanillaBlocks::COAL_ORE()
		];
		$this->percent_list = [
			20, //20% DIRT
			70, //70% STONE
			10, //10% COAL ORE
		];
		if (array_sum($this->percent_list) !== 100){
			throw new InvalidArgumentException("Total of percent must be = 100");
		}
		$this->generate();
	}

	public function generate() : void{
		foreach($this->block_list as $id => $block){
			for ($i = 0; $i < $this->percent_list[$id]; $i++){
				$this->array[] = $block;
			}
		}
		shuffle($this->array);
	}

	public function get() : Block{
		return $this->array[array_rand($this->array)];
	}
}