Removed pocketmine subdirectory, map PSR-4 style

src/world/biome/Biome.php

@@ -0,0 +1,191 @@
+<?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\biome;
+
+use pocketmine\block\Block;
+use pocketmine\block\utils\TreeType;
+use pocketmine\utils\Random;
+use pocketmine\world\ChunkManager;
+use pocketmine\world\generator\populator\Populator;
+
+abstract class Biome{
+
+	public const OCEAN = 0;
+	public const PLAINS = 1;
+	public const DESERT = 2;
+	public const MOUNTAINS = 3;
+	public const FOREST = 4;
+	public const TAIGA = 5;
+	public const SWAMP = 6;
+	public const RIVER = 7;
+
+	public const HELL = 8;
+
+	public const ICE_PLAINS = 12;
+
+
+	public const SMALL_MOUNTAINS = 20;
+
+
+	public const BIRCH_FOREST = 27;
+
+
+	public const MAX_BIOMES = 256;
+
+	/** @var Biome[]|\SplFixedArray */
+	private static $biomes;
+
+	/** @var int */
+	private $id;
+	/** @var bool */
+	private $registered = false;
+
+	/** @var Populator[] */
+	private $populators = [];
+
+	/** @var int */
+	private $minElevation;
+	/** @var int */
+	private $maxElevation;
+
+	/** @var Block[] */
+	private $groundCover = [];
+
+	/** @var float */
+	protected $rainfall = 0.5;
+	/** @var float */
+	protected $temperature = 0.5;
+
+	protected static function register(int $id, Biome $biome) : void{
+		self::$biomes[$id] = $biome;
+		$biome->setId($id);
+	}
+
+	public static function init() : void{
+		self::$biomes = new \SplFixedArray(self::MAX_BIOMES);
+
+		self::register(self::OCEAN, new OceanBiome());
+		self::register(self::PLAINS, new PlainBiome());
+		self::register(self::DESERT, new DesertBiome());
+		self::register(self::MOUNTAINS, new MountainsBiome());
+		self::register(self::FOREST, new ForestBiome());
+		self::register(self::TAIGA, new TaigaBiome());
+		self::register(self::SWAMP, new SwampBiome());
+		self::register(self::RIVER, new RiverBiome());
+
+		self::register(self::ICE_PLAINS, new IcePlainsBiome());
+
+
+		self::register(self::SMALL_MOUNTAINS, new SmallMountainsBiome());
+
+		self::register(self::BIRCH_FOREST, new ForestBiome(TreeType::BIRCH()));
+	}
+
+	/**
+	 * @param int $id
+	 *
+	 * @return Biome
+	 */
+	public static function getBiome(int $id) : Biome{
+		if(self::$biomes[$id] === null){
+			self::register($id, new UnknownBiome());
+		}
+		return self::$biomes[$id];
+	}
+
+	public function clearPopulators() : void{
+		$this->populators = [];
+	}
+
+	public function addPopulator(Populator $populator) : void{
+		$this->populators[] = $populator;
+	}
+
+	/**
+	 * @param ChunkManager $world
+	 * @param int          $chunkX
+	 * @param int          $chunkZ
+	 * @param Random       $random
+	 */
+	public function populateChunk(ChunkManager $world, int $chunkX, int $chunkZ, Random $random) : void{
+		foreach($this->populators as $populator){
+			$populator->populate($world, $chunkX, $chunkZ, $random);
+		}
+	}
+
+	/**
+	 * @return Populator[]
+	 */
+	public function getPopulators() : array{
+		return $this->populators;
+	}
+
+	public function setId(int $id) : void{
+		if(!$this->registered){
+			$this->registered = true;
+			$this->id = $id;
+		}
+	}
+
+	public function getId() : int{
+		return $this->id;
+	}
+
+	abstract public function getName() : string;
+
+	public function getMinElevation() : int{
+		return $this->minElevation;
+	}
+
+	public function getMaxElevation() : int{
+		return $this->maxElevation;
+	}
+
+	public function setElevation(int $min, int $max) : void{
+		$this->minElevation = $min;
+		$this->maxElevation = $max;
+	}
+
+	/**
+	 * @return Block[]
+	 */
+	public function getGroundCover() : array{
+		return $this->groundCover;
+	}
+
+	/**
+	 * @param Block[] $covers
+	 */
+	public function setGroundCover(array $covers) : void{
+		$this->groundCover = $covers;
+	}
+
+	public function getTemperature() : float{
+		return $this->temperature;
+	}
+
+	public function getRainfall() : float{
+		return $this->rainfall;
+	}
+}

src/world/biome/DesertBiome.php

@@ -0,0 +1,40 @@
+<?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\biome;
+
+
+class DesertBiome extends SandyBiome{
+
+	public function __construct(){
+		parent::__construct();
+		$this->setElevation(63, 74);
+
+		$this->temperature = 2;
+		$this->rainfall = 0;
+	}
+
+	public function getName() : string{
+		return "Desert";
+	}
+}

src/world/biome/ForestBiome.php

@@ -0,0 +1,63 @@
+<?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\biome;
+
+use pocketmine\block\utils\TreeType;
+use pocketmine\world\generator\populator\TallGrass;
+use pocketmine\world\generator\populator\Tree;
+
+class ForestBiome extends GrassyBiome{
+
+	/** @var TreeType */
+	private $type;
+
+	public function __construct(?TreeType $type = null){
+		parent::__construct();
+
+		$this->type = $type ?? TreeType::OAK();
+
+		$trees = new Tree($type);
+		$trees->setBaseAmount(5);
+		$this->addPopulator($trees);
+
+		$tallGrass = new TallGrass();
+		$tallGrass->setBaseAmount(3);
+
+		$this->addPopulator($tallGrass);
+
+		$this->setElevation(63, 81);
+
+		if($this->type->equals(TreeType::BIRCH())){
+			$this->temperature = 0.6;
+			$this->rainfall = 0.5;
+		}else{
+			$this->temperature = 0.7;
+			$this->rainfall = 0.8;
+		}
+	}
+
+	public function getName() : string{
+		return $this->type->getDisplayName() . " Forest";
+	}
+}

src/world/biome/GrassyBiome.php

@@ -0,0 +1,39 @@
+<?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\biome;
+
+use pocketmine\block\VanillaBlocks;
+
+abstract class GrassyBiome extends Biome{
+
+	public function __construct(){
+		$this->setGroundCover([
+			VanillaBlocks::GRASS(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT()
+		]);
+	}
+}

src/world/biome/HellBiome.php

@@ -0,0 +1,31 @@
+<?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\biome;
+
+class HellBiome extends Biome{
+
+	public function getName() : string{
+		return "Hell";
+	}
+}

src/world/biome/IcePlainsBiome.php

@@ -0,0 +1,47 @@
+<?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\biome;
+
+use pocketmine\world\generator\populator\TallGrass;
+
+class IcePlainsBiome extends SnowyBiome{
+
+	public function __construct(){
+		parent::__construct();
+
+		$tallGrass = new TallGrass();
+		$tallGrass->setBaseAmount(5);
+
+		$this->addPopulator($tallGrass);
+
+		$this->setElevation(63, 74);
+
+		$this->temperature = 0.05;
+		$this->rainfall = 0.8;
+	}
+
+	public function getName() : string{
+		return "Ice Plains";
+	}
+}

src/world/biome/MountainsBiome.php

@@ -0,0 +1,54 @@
+<?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\biome;
+
+use pocketmine\world\generator\populator\TallGrass;
+use pocketmine\world\generator\populator\Tree;
+
+class MountainsBiome extends GrassyBiome{
+
+	public function __construct(){
+		parent::__construct();
+
+		$trees = new Tree();
+		$trees->setBaseAmount(1);
+		$this->addPopulator($trees);
+
+		$tallGrass = new TallGrass();
+		$tallGrass->setBaseAmount(1);
+
+		$this->addPopulator($tallGrass);
+
+		//TODO: add emerald
+
+		$this->setElevation(63, 127);
+
+		$this->temperature = 0.4;
+		$this->rainfall = 0.5;
+	}
+
+	public function getName() : string{
+		return "Mountains";
+	}
+}

src/world/biome/OceanBiome.php

@@ -0,0 +1,54 @@
+<?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\biome;
+
+use pocketmine\block\VanillaBlocks;
+use pocketmine\world\generator\populator\TallGrass;
+
+class OceanBiome extends Biome{
+
+	public function __construct(){
+		$this->setGroundCover([
+			VanillaBlocks::GRAVEL(),
+			VanillaBlocks::GRAVEL(),
+			VanillaBlocks::GRAVEL(),
+			VanillaBlocks::GRAVEL(),
+			VanillaBlocks::GRAVEL()
+		]);
+
+		$tallGrass = new TallGrass();
+		$tallGrass->setBaseAmount(5);
+
+		$this->addPopulator($tallGrass);
+
+		$this->setElevation(46, 58);
+
+		$this->temperature = 0.5;
+		$this->rainfall = 0.5;
+	}
+
+	public function getName() : string{
+		return "Ocean";
+	}
+}

src/world/biome/PlainBiome.php

@@ -0,0 +1,47 @@
+<?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\biome;
+
+use pocketmine\world\generator\populator\TallGrass;
+
+class PlainBiome extends GrassyBiome{
+
+	public function __construct(){
+		parent::__construct();
+
+		$tallGrass = new TallGrass();
+		$tallGrass->setBaseAmount(12);
+
+		$this->addPopulator($tallGrass);
+
+		$this->setElevation(63, 68);
+
+		$this->temperature = 0.8;
+		$this->rainfall = 0.4;
+	}
+
+	public function getName() : string{
+		return "Plains";
+	}
+}

src/world/biome/RiverBiome.php

@@ -0,0 +1,54 @@
+<?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\biome;
+
+use pocketmine\block\VanillaBlocks;
+use pocketmine\world\generator\populator\TallGrass;
+
+class RiverBiome extends Biome{
+
+	public function __construct(){
+		$this->setGroundCover([
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT()
+		]);
+
+		$tallGrass = new TallGrass();
+		$tallGrass->setBaseAmount(5);
+
+		$this->addPopulator($tallGrass);
+
+		$this->setElevation(58, 62);
+
+		$this->temperature = 0.5;
+		$this->rainfall = 0.7;
+	}
+
+	public function getName() : string{
+		return "River";
+	}
+}

src/world/biome/SandyBiome.php

@@ -0,0 +1,39 @@
+<?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\biome;
+
+use pocketmine\block\VanillaBlocks;
+
+abstract class SandyBiome extends Biome{
+
+	public function __construct(){
+		$this->setGroundCover([
+			VanillaBlocks::SAND(),
+			VanillaBlocks::SAND(),
+			VanillaBlocks::SANDSTONE(),
+			VanillaBlocks::SANDSTONE(),
+			VanillaBlocks::SANDSTONE()
+		]);
+	}
+}

src/world/biome/SmallMountainsBiome.php

@@ -0,0 +1,38 @@
+<?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\biome;
+
+
+class SmallMountainsBiome extends MountainsBiome{
+
+	public function __construct(){
+		parent::__construct();
+
+		$this->setElevation(63, 97);
+	}
+
+	public function getName() : string{
+		return "Small Mountains";
+	}
+}

src/world/biome/SnowyBiome.php

@@ -0,0 +1,39 @@
+<?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\biome;
+
+use pocketmine\block\VanillaBlocks;
+
+abstract class SnowyBiome extends Biome{
+
+	public function __construct(){
+		$this->setGroundCover([
+			VanillaBlocks::SNOW_LAYER(),
+			VanillaBlocks::GRASS(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT(),
+			VanillaBlocks::DIRT()
+		]);
+	}
+}

src/world/biome/SwampBiome.php

@@ -0,0 +1,40 @@
+<?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\biome;
+
+class SwampBiome extends GrassyBiome{
+
+	public function __construct(){
+		parent::__construct();
+
+		$this->setElevation(62, 63);
+
+		$this->temperature = 0.8;
+		$this->rainfall = 0.9;
+	}
+
+	public function getName() : string{
+		return "Swamp";
+	}
+}

src/world/biome/TaigaBiome.php

@@ -0,0 +1,53 @@
+<?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\biome;
+
+use pocketmine\block\utils\TreeType;
+use pocketmine\world\generator\populator\TallGrass;
+use pocketmine\world\generator\populator\Tree;
+
+class TaigaBiome extends SnowyBiome{
+
+	public function __construct(){
+		parent::__construct();
+
+		$trees = new Tree(TreeType::SPRUCE());
+		$trees->setBaseAmount(10);
+		$this->addPopulator($trees);
+
+		$tallGrass = new TallGrass();
+		$tallGrass->setBaseAmount(1);
+
+		$this->addPopulator($tallGrass);
+
+		$this->setElevation(63, 81);
+
+		$this->temperature = 0.05;
+		$this->rainfall = 0.8;
+	}
+
+	public function getName() : string{
+		return "Taiga";
+	}
+}

src/world/biome/UnknownBiome.php

@@ -0,0 +1,34 @@
+<?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\biome;
+
+/**
+ * Polyfill class for biomes that are unknown to PocketMine-MP
+ */
+class UnknownBiome extends Biome{
+
+	public function getName() : string{
+		return "Unknown";
+	}
+}