143 lines
4.6 KiB
PHP
143 lines
4.6 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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* Pocketmine Generator for Earth and heightmap based generation.
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*
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* Copyright (C) Ad5001 2017
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*
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* @author Ad5001
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* @api 3.0.0
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* @copyright 2017 Ad5001
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* @license NTOSL - View LICENSE.md
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* @version 1.0.0
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* @package BetterGen (https://github.com/Ad5001/BetterGen)
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* @subpackage GenPainterPE
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*
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* Imported from BetterGen (https://github.com/Ad5001/BetterGen/blob/master/src/Ad5001/BetterGen/populator/RavinePopulator.php)
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*/
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namespace Ad5001\GenPainterPE\populator;
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use Ad5001\GenPainterPE\utils\BuildingUtils;
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use pocketmine\block\Block;
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use pocketmine\level\ChunkManager;
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use pocketmine\level\Level;
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use pocketmine\utils\Random;
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class RavinePopulator extends AmountPopulator {
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/** @var ChunkManager */
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protected $level;
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const NOISE = 250;
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/**
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* Populates the chunk
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*
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* @param ChunkManager $level
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* @param int $chunkX
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* @param int $chunkZ
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* @param Random $random
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* @return void
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*/
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public function populate(ChunkManager $level, $chunkX, $chunkZ, Random $random) {
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$this->level = $level;
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$amount = $this->getAmount($random);
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if ($amount > 50) { // Only build one per chunk
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$depth = $random->nextBoundedInt(60) + 30; // 2Much4U?
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$x = $random->nextRange($chunkX << 4, ($chunkX << 4) + 15);
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$z = $random->nextRange($chunkZ << 4, ($chunkZ << 4) + 15);
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$y = $random->nextRange(5, $this->getHighestWorkableBlock($x, $z));
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$deffX = $x;
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$deffZ = $z;
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$height = $random->nextRange(15, 30);
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$length = $random->nextRange(5, 12);
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for($i = 0; $i < $depth; $i ++) {
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$this->buildRavinePart($x, $y, $z, $height, $length, $random);
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$diffX = $x - $deffX;
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$diffZ = $z - $deffZ;
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if ($diffX > $length / 2)
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$diffX = $length / 2;
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if ($diffX < - $length / 2)
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$diffX = - $length / 2;
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if ($diffZ > $length / 2)
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$diffZ = $length / 2;
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if ($diffZ < - $length / 2)
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$diffZ = - $length / 2;
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if ($length > 10)
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$length = 10;
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if ($length < 5)
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$length = 5;
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$x += $random->nextRange(0 + $diffX, 2 + $diffX) - 1;
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$y += $random->nextRange(0, 2) - 1;
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$z += $random->nextRange(0 + $diffZ, 2 + $diffZ) - 1;
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$height += $random->nextRange(0, 2) - 1;
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$length += $random->nextRange(0, 2) - 1;
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}
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}
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}
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/*
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* Gets the top block (y) on an x and z axes
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* @param $x int
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* @param $z int
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*/
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protected function getHighestWorkableBlock($x, $z) {
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for($y = Level::Y_MAX - 1; $y > 0; -- $y) {
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$b = $this->level->getBlockIdAt($x, $y, $z);
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if ($b === Block::DIRT or $b === Block::GRASS or $b === Block::PODZOL or $b === Block::SAND or $b === Block::SNOW_BLOCK or $b === Block::SANDSTONE) {
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break;
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} elseif ($b !== 0 and $b !== Block::SNOW_LAYER and $b !== Block::WATER) {
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return - 1;
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}
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}
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return ++$y;
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}
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/**
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* Buidls a ravine part
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*
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* @param int $x
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* @param int $y
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* @param int $z
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* @param int $height
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* @param int $length
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* @param Random $random
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* @return void
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*/
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protected function buildRavinePart($x, $y, $z, $height, $length, Random $random) {
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$xBounded = 0;
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$zBounded = 0;
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for($xx = $x - $length; $xx <= $x + $length; $xx ++) {
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for($yy = $y; $yy <= $y + $height; $yy ++) {
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for($zz = $z - $length; $zz <= $z + $length; $zz ++) {
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$oldXB = $xBounded;
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$xBounded = $random->nextBoundedInt(self::NOISE * 2) - self::NOISE;
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$oldZB = $zBounded;
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$zBounded = $random->nextBoundedInt(self::NOISE * 2) - self::NOISE;
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if ($xBounded > self::NOISE - 2) {
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$xBounded = 1;
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} elseif ($xBounded < - self::NOISE + 2) {
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$xBounded = -1;
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} else {
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$xBounded = $oldXB;
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}
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if ($zBounded > self::NOISE - 2) {
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$zBounded = 1;
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} elseif ($zBounded < - self::NOISE + 2) {
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$zBounded = -1;
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} else {
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$zBounded = $oldZB;
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}
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if (abs((abs($xx) - abs($x)) ** 2 + (abs($zz) - abs($z)) ** 2) < ((($length / 2 - $xBounded) + ($length / 2 - $zBounded)) / 2) ** 2 && $y > 0 && ! in_array($this->level->getBlockIdAt(( int) round($xx),(int) round($yy),(int) round($zz)), BuildingUtils::TO_NOT_OVERWRITE) && ! in_array($this->level->getBlockIdAt(( int) round($xx),(int) round($yy + 1),(int) round($zz)), BuildingUtils::TO_NOT_OVERWRITE)) {
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$this->level->setBlockIdAt(( int) round($xx),(int) round($yy),(int) round($zz), Block::AIR);
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}
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}
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}
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}
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}
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} |