<?php

/*
 *
 *  _____   _____   __   _   _   _____  __    __  _____
 * /  ___| | ____| |  \ | | | | /  ___/ \ \  / / /  ___/
 * | |     | |__   |   \| | | | | |___   \ \/ /  | |___
 * | |  _  |  __|  | |\   | | | \___  \   \  /   \___  \
 * | |_| | | |___  | | \  | | |  ___| |   / /     ___| |
 * \_____/ |_____| |_|  \_| |_| /_____/  /_/     /_____/
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author iTX Technologies
 * @link https://mcper.cn
 *
 */

namespace pocketmine\level\generator\object;

use pocketmine\level\ChunkManager;
use pocketmine\math\VectorMath;
use pocketmine\utils\Random;

class NetherOreTop{
	private $random;
	public $type;

	public function __construct(Random $random, OreType $type){
		$this->type = $type;
		$this->random = $random;
	}

	public function getType(){
		return $this->type;
	}

	public function canPlaceObject(ChunkManager $level, $x, $y, $z){
		return ($level->getBlockIdAt($x, $y, $z) === 0);
	}

	public function placeObject(ChunkManager $level, $x, $y, $z){
		$clusterSize = (int) $this->type->clusterSize;
		$angle = $this->random->nextFloat() * M_PI;
		$offset = VectorMath::getDirection2D($angle)->multiply($clusterSize)->divide(8);
		$x1 = $x + 8 + $offset->x;
		$x2 = $x + 8 - $offset->x;
		$z1 = $z + 8 + $offset->y;
		$z2 = $z + 8 - $offset->y;
		$y1 = $y + $this->random->nextBoundedInt(3) + 2;
		$y2 = $y + $this->random->nextBoundedInt(3) + 2;

		for($count = 0; $count <= $clusterSize; ++$count){
			$seedX = $x1 + ($x2 - $x1) * $count / $clusterSize;
			$seedY = $y1 + ($y2 - $y1) * $count / $clusterSize;
			$seedZ = $z1 + ($z2 - $z1) * $count / $clusterSize;
			$size = ((sin($count * (M_PI / $clusterSize)) + 1) * $this->random->nextFloat() * $clusterSize / 16 + 1) / 2;

			$startX = (int) ($seedX - $size);
			$startY = (int) ($seedY - $size);
			$startZ = (int) ($seedZ - $size);
			$endX = (int) ($seedX + $size);
			$endY = (int) ($seedY + $size);
			$endZ = (int) ($seedZ + $size);
			//echo "ORE: $startX, $startY, $startZ,, $endX, $endY, $endZ\n";
			for($x = $startX; $x <= $endX; ++$x){
				$sizeX = ($x + 0.5 - $seedX) / $size;
				$sizeX *= $sizeX;

				if($sizeX < 1){
					for($y = $startY; $y <= $endY; ++$y){
						$sizeY = ($y + 0.5 - $seedY) / $size;
						$sizeY *= $sizeY;

						if($y > 0 and ($sizeX + $sizeY) < 1){
							for($z = $startZ; $z <= $endZ; ++$z){
								$sizeZ = ($z + 0.5 - $seedZ) / $size;
								$sizeZ *= $sizeZ;

								if(($sizeX + $sizeY + $sizeZ) < 1 and $level->getBlockIdAt($x, $y, $z) === 0){
									$level->setBlockIdAt($x, $y, $z, $this->type->material->getId());
									if($this->type->material->getDamage() !== 0){
										$level->setBlockDataAt($x, $y, $z, $this->type->material->getDamage());
									}
									$level->updateBlockLight($x, $y, $z);
									//echo "Placed to $x, $y, $z\n";
								}
							}
						}
					}
				}
			}
		}
	}

}