2018-07-26 19:31:18 +01:00

79 lines
2.1 KiB
PHP

<?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\level\generator\populator;
use pocketmine\block\Block;
use pocketmine\block\Sapling;
use pocketmine\level\ChunkManager;
use pocketmine\level\generator\object\Tree as ObjectTree;
use pocketmine\utils\Random;
class Tree extends Populator{
/** @var ChunkManager */
private $level;
private $randomAmount;
private $baseAmount;
private $type;
public function __construct(int $type = Sapling::OAK){
$this->type = $type;
}
public function setRandomAmount(int $amount) : void{
$this->randomAmount = $amount;
}
public function setBaseAmount(int $amount) : void{
$this->baseAmount = $amount;
}
public function populate(ChunkManager $level, int $chunkX, int $chunkZ, Random $random) : void{
$this->level = $level;
$amount = $random->nextRange(0, $this->randomAmount + 1) + $this->baseAmount;
for($i = 0; $i < $amount; ++$i){
$x = $random->nextRange($chunkX << 4, ($chunkX << 4) + 15);
$z = $random->nextRange($chunkZ << 4, ($chunkZ << 4) + 15);
$y = $this->getHighestWorkableBlock($x, $z);
if($y === -1){
continue;
}
ObjectTree::growTree($this->level, $x, $y, $z, $random, $this->type);
}
}
private function getHighestWorkableBlock(int $x, int $z) : int{
for($y = 127; $y > 0; --$y){
$b = $this->level->getBlockIdAt($x, $y, $z);
if($b === Block::DIRT or $b === Block::GRASS){
break;
}elseif($b !== Block::AIR and $b !== Block::SNOW_LAYER){
return -1;
}
}
return ++$y;
}
}