2014-06-09 11:35:52 +02:00

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/
*
*
*/
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\level\Level;
use pocketmine\math\Vector3 as Vector3;
use pocketmine\utils\Random;
class Tree extends Populator{
/** @var ChunkManager */
private $level;
private $randomAmount;
private $baseAmount;
public function setRandomAmount($amount){
$this->randomAmount = $amount;
}
public function setBaseAmount($amount){
$this->baseAmount = $amount;
}
public function populate(ChunkManager $level, $chunkX, $chunkZ, Random $random){
$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;
}
if($random->nextFloat() > 0.75){
$meta = Sapling::BIRCH;
}else{
$meta = Sapling::OAK;
}
ObjectTree::growTree($this->level, $x, $y, $z, $random, $meta);
}
}
private function getHighestWorkableBlock($x, $z){
for($y = 128; $y > 0; --$y){
$b = $this->level->getBlockIdAt($x, $y, $z);
if($b !== Block::DIRT and $b !== Block::GRASS){
if(--$y <= 0){
return -1;
}
}else{
break;
}
}
return ++$y;
}
}