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https://github.com/pmmp/PocketMine-MP.git
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77 lines
2.3 KiB
PHP
77 lines
2.3 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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namespace pocketmine\level\generator\populator;
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use pocketmine\block\Block;
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use pocketmine\block\BlockFactory;
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use pocketmine\level\ChunkManager;
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use pocketmine\utils\Random;
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class TallGrass extends Populator{
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/** @var ChunkManager */
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private $level;
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private $randomAmount;
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private $baseAmount;
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public function setRandomAmount(int $amount) : void{
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$this->randomAmount = $amount;
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}
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public function setBaseAmount(int $amount) : void{
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$this->baseAmount = $amount;
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}
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public function populate(ChunkManager $level, int $chunkX, int $chunkZ, Random $random) : void{
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$this->level = $level;
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$amount = $random->nextRange(0, $this->randomAmount + 1) + $this->baseAmount;
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$block = BlockFactory::get(Block::TALL_GRASS, 1);
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for($i = 0; $i < $amount; ++$i){
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$x = $random->nextRange($chunkX * 16, $chunkX * 16 + 15);
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$z = $random->nextRange($chunkZ * 16, $chunkZ * 16 + 15);
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$y = $this->getHighestWorkableBlock($x, $z);
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if($y !== -1 and $this->canTallGrassStay($x, $y, $z)){
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$this->level->setBlockAt($x, $y, $z, $block);
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}
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}
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}
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private function canTallGrassStay(int $x, int $y, int $z) : bool{
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$b = $this->level->getBlockAt($x, $y, $z)->getId();
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return ($b === Block::AIR or $b === Block::SNOW_LAYER) and $this->level->getBlockAt($x, $y - 1, $z)->getId() === Block::GRASS;
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}
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private function getHighestWorkableBlock(int $x, int $z) : int{
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for($y = 127; $y >= 0; --$y){
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$b = $this->level->getBlockAt($x, $y, $z)->getId();
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if($b !== Block::AIR and $b !== Block::LEAVES and $b !== Block::LEAVES2 and $b !== Block::SNOW_LAYER){
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break;
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}
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}
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return $y === 0 ? -1 : ++$y;
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}
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}
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