/Plugins/Grenade/src/MineBlock/Grenade/Grenade.php

<?php

namespace MineBlock\Grenade;



use pocketmine\plugin\PluginBase;

use pocketmine\command\Command;

use pocketmine\command\CommandSender;

use pocketmine\event\Listener;

use pocketmine\utils\Config;

use pocketmine\utils\TextFormat;

use pocketmine\event\server\DataPacketReceiveEvent;

use pocketmine\event\entity\ExplosionPrimeEvent;

use pocketmine\network\protocol\AddItemEntityPacket;

use pocketmine\network\protocol\Info as ProtocolInfo;

use pocketmine\item\Item;

use pocketmine\math\AxisAlignedBB;

use pocketmine\math\Vector3;

use pocketmine\Player;

use pocketmine\entity\Living;

use pocketmine\nbt\tag\Compound;

use pocketmine\nbt\tag\Enum;

use pocketmine\nbt\tag\Double;

use pocketmine\nbt\tag\Float;

use pocketmine\entity\Entity;

use pocketmine\entity\Projectile;

use pocketmine\level\format\FullChunk;

use pocketmine\level\Explosion;



class Grenade extends PluginBase implements Listener{



	public function onEnable(){

		$this->cool = [];

		$this->getServer()->getPluginManager()->registerEvents($this, $this);

		$this->loadYml();

	}



	public function onCommand(CommandSender $sender, Command $cmd, $label, array $sub){

		if(!isset($sub[0])) return false;

		$g = $this->g;

		$rm = TextFormat::RED . "Usage: /Grenade ";

		$mm = "[Grenade]";

		$ik = $this->isKorean();

		switch(strtolower($sub[0])){

			case "gun":

			case "g":

			case "수류탄":

			case "item":

			case "i":

			case "아이템":

			case "템":

				if(!isset($sub[1])){

					$r = $rm . ($ik ? "수류탄 <아이템ID>": "Grenade(G) <ItemID>");

				}else{

					$i = Item::fromString($sub[1]);

					$id = $i->getID() . ":" . $i->getDamage();

					$g["Grenade"] = $id;

					$r = $mm . ($ik ? "수류탄을 $id 로 설정했습니다.": "Grenade is set $id");

				}

			break;

			case "cool":

			case "cooltime":

			case "ct":

			case "쿨타임":

			case "쿨":

				if(!isset($sub[1])){

					$r = $rm . ($ik ? "쿨타임 <시간>": "CoolTime(CT) <Num>");

				}else{

					if($sub[1] < 0 || !is_numeric($sub[1])) $sub[1] = 0;

					if(isset($sub[2]) && $sub[2] > $sub[1] && is_numeric($sub[2]) !== false) $sub[1] = $sub[1] . "~" . $sub[2];

					$g["Cool"] = $sub[1];

					$r = $mm . ($ik ? "낚시 쿨타임을 [$sub[1]] 로 설정했습니다.": "Grenade cooltime is set [$sub[1]]");

				}

			break;

			default:

				return false;

			break;

		}

		if(isset($r)) $sender->sendMessage($r);

		if($this != $g){

			$this->g = $g;

			$this->saveYml();

		}

		return true;

	}



	public function onDataPacketReceive(DataPacketReceiveEvent $event){

		$pk = $event->getPacket();

		if($pk->pid() !== ProtocolInfo::USE_ITEM_PACKET || $pk->face !== 0xff) return false;

		$ik = $this->isKorean();

		$m = ($ik ? "[수류탄] ": "[Grenade] ");

		$p = $event->getPlayer();

		$n = $p->getName();

		$i = $this->getItem($this->g["Grenade"], 1);

		$ii = $p->getInventory()->getItemInHand();

		if($ii->getID() !== $i->getID() || $ii->getDamage() !== $i->getDamage()) return;

		if(!isset($this->cool[$n])) $this->cool[$n] = 0;

		$c = microtime(true) - $this->cool[$n];

		if($c < 0){

			$m .= $ik ? "쿨타임 :" . round(-$c, 1) . " 초": "Cool : " . round($c * 100) / -100 . " sec";

		}else{

			$c = explode("~", $this->g["Cool"]);

			$this->cool[$n] = microtime(true) + rand($c[0], isset($c[1]) ? $c[1] : $c[0]);

			$p->getInventory()->removeItem($i);

			$this->getServer()->broadcastPacket($p->getLevel()->getUsingChunk($p->x >> 4, $p->z >> 4), $pk);

			$nbt = new Compound("", ["Pos" => new Enum("Pos", [new Double("", $p->x),new Double("", $p->y + $p->getEyeHeight() - 0.2),new Double("", $p->z)]),"Motion" => new Enum("Motion", [new Double("", -sin($p->getyaw() / 180 * M_PI) * cos($p->getPitch() / 180 * M_PI)),new Double("", -sin($p->getPitch() / 180 * M_PI)),new Double("", cos($p->getyaw() / 180 * M_PI) * cos($p->getPitch() / 180 * M_PI))]),"Rotation" => new Enum("Rotation", [new Float("", $p->getyaw()),new Float("", $p->getPitch())])]);

			$grenade = new GrenadeEntity($p->chunk, $nbt, $p, $i);

			$grenade->spawnToAll();

			return;

		}

		if(isset($m)) $p->sendMessage($m);

		$event->setCancelled();

	}



	public function getItem($id = 0, $cnt = 0){

		$id = explode(":", $id);

		return Item::get($id[0], isset($id[1]) ? $id[1] : 0, $cnt);

	}



	public function loadYml(){

		@mkdir($this->path = ($this->getServer()->getDataPath() . "/plugins/! MineBlock/"));

		$this->g = (new Config($this->file = $this->path . "Grenade.yml", Config::YAML, [

			"Grenade" => "341:0",

			"Cool" => "3",

		]))->getAll();

	}



	public function saveYml(){

		$g = new Config($this->file, Config::YAML);

		$g->setAll($this->g);

		$g->save();

	}



	public function isKorean(){

		@mkdir($this->getServer()->getDataPath() . "/plugins/! MineBlock/");

		if(!isset($this->ik)) $this->ik = (new Config($this->getServer()->getDataPath() . "/plugins/! MineBlock/" . "! Korean.yml", Config::YAML, ["Korean" => false]))->get("Korean");

		return $this->ik;

	}

}



class GrenadeEntity extends Projectile{

	const NETWORK_ID = 64;



	protected $gravity = 0.03;

	protected $drag = 0.01;



	public function __construct(FullChunk $chunk, Compound $nbt, Entity $shootingEntity = null, Item $item){

		$this->shootingEntity = $shootingEntity;

		$this->item = $item;

		parent::__construct($chunk, $nbt);

	}



	protected function initEntity(){

	}



	public function saveNBT(){

	}



	public function canCollideWith(Entity $entity){

		return false;

	}



	public function explode(){

		$this->server->getPluginManager()->callEvent($ev = new ExplosionPrimeEvent($this, 3));

		if(!$ev->isCancelled()){

			$explosion = new Explosion($this, $ev->getForce(), $this);

			if($ev->isBlockBreaking()){

				$explosion->explodeA();

			}

			$explosion->explodeB();

		}

	}



	public function onUpdate($currentTick){

		if($this->closed){

			return false;

		}

		$this->timings->startTiming();

		$hasUpdate = parent::onUpdate($currentTick);

		$bb = new AxisAlignedBB($x = $this->x - 0.5, $y = $this->y, $z = $this->z - 0.5, $x + 1, $y + 1, $z + 1);

		if($this->age > 100){

			$this->kill();

			$this->explode();

			$this->close();

			$hasUpdate = true;

		}elseif(count($this->level->getCollisionBlocks($bb = $this->getBoundingBox())) > 0){

			if($this->motionX < 0) $this->motionX = -$this->motionX * 0.5;

			if($this->motionY < 0) $this->motionY = -$this->motionY * 0.1;

			if($this->motionZ < 0) $this->motionZ = -$this->motionZ * 0.5;

		}

		$this->timings->stopTiming();

		return $hasUpdate;

	}



	public function spawnTo(Player $player){

		$pk = new AddItemEntityPacket();

		$pk->eid = $this->id;

		$pk->x = $this->x;

		$pk->y = $this->y;

		$pk->z = $this->z;

		$pk->yaw = $this->yaw;

		$pk->pitch = $this->pitch;

		$pk->roll = 0;

		$pk->item = $this->item;

		$player->dataPacket($pk);

		parent::spawnTo($player);

	}

}