77 lines
2.3 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\world\generator\populator;
use pocketmine\block\BlockFactory;
use pocketmine\block\BlockTypeIds;
use pocketmine\block\Liquid;
use pocketmine\utils\Random;
use pocketmine\world\biome\BiomeRegistry;
use pocketmine\world\ChunkManager;
use pocketmine\world\format\Chunk;
use function count;
use function min;
class GroundCover implements Populator{
public function populate(ChunkManager $world, int $chunkX, int $chunkZ, Random $random) : void{
$chunk = $world->getChunk($chunkX, $chunkZ);
$factory = BlockFactory::getInstance();
$biomeRegistry = BiomeRegistry::getInstance();
for($x = 0; $x < Chunk::EDGE_LENGTH; ++$x){
for($z = 0; $z < Chunk::EDGE_LENGTH; ++$z){
$biome = $biomeRegistry->getBiome($chunk->getBiomeId($x, $z));
$cover = $biome->getGroundCover();
if(count($cover) > 0){
$diffY = 0;
if(!$cover[0]->isSolid()){
$diffY = 1;
}
$startY = 127;
for(; $startY > 0; --$startY){
if(!$factory->fromFullBlock($chunk->getFullBlock($x, $startY, $z))->isTransparent()){
break;
}
}
$startY = min(127, $startY + $diffY);
$endY = $startY - count($cover);
for($y = $startY; $y > $endY && $y >= 0; --$y){
$b = $cover[$startY - $y];
$id = $factory->fromFullBlock($chunk->getFullBlock($x, $y, $z));
if($id->getTypeId() === BlockTypeIds::AIR && $b->isSolid()){
break;
}
if($b->canBeFlowedInto() && $id instanceof Liquid){
continue;
}
$chunk->setFullBlock($x, $y, $z, $b->getFullId());
}
}
}
}
}
}