mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-07-04 09:10:00 +00:00
115 lines
3.8 KiB
PHP
115 lines
3.8 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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class Explosion{
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private $rays = 16; //Rays
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public $level;
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public $source;
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public $size;
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public $affectedBlocks = array();
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public $stepLen = 0.3;
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public function __construct(Position $center, $size){
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$this->level = $center->level;
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$this->source = $center;
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$this->size = max($size, 0);
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}
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public function explode(){
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$server = ServerAPI::request();
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if($this->size < 0.1 or $server->api->dhandle("entity.explosion", array(
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"level" => $this->level,
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"source" => $this->source,
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"size" => $this->size
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))){
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return false;
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}
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$mRays = $this->rays - 1;
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for($i = 0; $i < $this->rays; ++$i){
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for($j = 0; $j < $this->rays; ++$j){
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for($k = 0; $k < $this->rays; ++$k){
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if($i == 0 or $i == $mRays or $j == 0 or $j == $mRays or $k == 0 or $k == $mRays){
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$vector = new Vector3($i / $mRays * 2 - 1, $j / $mRays * 2 - 1, $k / $mRays * 2 - 1); //($i / $mRays) * 2 - 1
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$vector = $vector->normalize()->multiply($this->stepLen);
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$pointer = clone $this->source;
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for($blastForce = $this->size * (mt_rand(700, 1300) / 1000); $blastForce > 0; $blastForce -= $this->stepLen * 0.75){
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$vBlock = $pointer->floor();
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if($vBlock->y >= 128 or $vBlock->y < 0){
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break;
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}
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$block = $this->level->getBlockRaw($vBlock);
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if(!($block instanceof AirBlock)){
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$blastForce -= ($block->getHardness() / 5 + 0.3) * $this->stepLen;
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if($blastForce > 0){
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$index = ($vBlock->x << 15) + ($vBlock->z << 7) + $vBlock->y;
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if(!isset($this->affectedBlocks[$index])){
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$this->affectedBlocks[$index] = $block;
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}
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}
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}
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$pointer = $pointer->add($vector);
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}
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}
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}
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}
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}
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$send = array();
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$airblock = new AirBlock();
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$source = $this->source->floor();
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$radius = 2 * $this->size;
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foreach($server->api->entity->getRadius($this->source, $radius) as $entity){
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$impact = (1 - $this->source->distance($entity) / $radius) * 0.5; //placeholder, 0.7 should be exposure
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$damage = (int) (($impact * $impact + $impact) * 8 * $this->size + 1);
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$entity->harm($damage, "explosion");
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}
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foreach($this->affectedBlocks as $block){
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$this->level->setBlockRaw($block, $airblock, false, false); //Do not send record
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if($block instanceof TNTBlock){
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$data = array(
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"x" => $block->x + 0.5,
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"y" => $block->y + 0.5,
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"z" => $block->z + 0.5,
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"power" => 4,
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"fuse" => mt_rand(10, 30), //0.5 to 1.5 seconds
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);
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$e = $server->api->entity->add($this->level, ENTITY_OBJECT, OBJECT_PRIMEDTNT, $data);
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$server->api->entity->spawnToAll($e);
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}
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$send[] = new Vector3($block->x - $source->x, $block->y - $source->y, $block->z - $source->z);
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if(mt_rand(0, 10000) < ((1/$this->size) * 10000)){
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$server->api->entity->drop(new Position($block->x + 0.5, $block->y, $block->z + 0.5, $this->level), BlockAPI::getItem($block->getID(), $block->getMetadata()));
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}
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}
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$server->api->player->broadcastPacket($server->api->player->getAll($this->level), MC_EXPLOSION, array(
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"x" => $this->source->x,
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"y" => $this->source->y,
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"z" => $this->source->z,
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"radius" => $this->size,
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"records" => $send,
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));
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}
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} |