<?php

/*
 * Bush from BetterGen
 * Copyright (C) Ad5001 2017
 * Licensed under the BoxOfDevs Public General LICENSE which can be found in the file LICENSE in the root directory
 * @author ad5001
 */

namespace Ad5001\BetterGen\structure;

use pocketmine\block\Leaves;
use pocketmine\block\Block;
use pocketmine\level\ChunkManager;
use pocketmine\utils\Random;
use pocketmine\math\Vector3;
use pocketmine\level\generator\object\Object;

class Bush extends Object {
	public $overridable = [ 
			Block::AIR => true,
			17 => true,
			Block::SNOW_LAYER => true,
			Block::LOG2 => true 
	];
	protected $leaf;
	protected $height;
	
	/*
	 * Constructs the class
	 * @param $leafId int
	 * @param $leafData int
	 */
	public function __construct($leafId = Block::LEAVES, $leafData = 0) {
		$this->leaf = [ 
				$leafId,
				$leafData 
		];
	}
	
	/*
	 * Places a bush
	 * @param $level pocketmine\level\ChunkManager
	 * @param $x int
	 * @param $y int
	 * @param $z int
	 * @param $random pocketmine\utils\Random
	 */
	public function placeObject(ChunkManager $level, $x, $y, $z, Random $random) {
		$number = $random->nextBoundedInt ( 6 );
		$pos = new Vector3 ( $x, $y, $z );
		$this->placeLeaf ( $pos->x, $pos->y, $pos->z, $level );
		for($i = 0; $i < $number; $i ++) {
			$transfer = $random->nextBoolean ();
			$direction = $random->nextBoundedInt ( 6 );
			$newPos = $pos->getSide ( $direction );
			if ($transfer)
				$pos = $newPos;
			$this->placeLeaf ( $newPos->x, $newPos->y, $newPos->z, $level );
		}
	}
	
	/*
	 * Places a leaf
	 * @param $x int
	 * @param $y int
	 * @param $z int
	 * @param $level pocketmine\level\ChunkManager
	 */
	public function placeLeaf($x, $y, $z, ChunkManager $level) {
		if (isset ( $this->overridable [$level->getBlockIdAt ( $x, $y, $z )] ) && ! isset ( $this->overridable [$level->getBlockIdAt ( $x, $y - 1, $z )] )) {
			$level->setBlockIdAt ( $x, $y, $z, $this->leaf [0] );
			$level->setBlockDataAt ( $x, $y, $z, $this->leaf [1] );
		}
	}
}