PHP ProjectileLaunchEvent::isCancelled方法代码示例

 public function attackEntity(Entity $player)
 {
     if ($this->attackDelay > 25 && mt_rand(1, 12) < 3 && $this->distanceSquared($player) <= 40) {
         $this->attackDelay = 0;
         $f = 1.5;
         $yaw = $this->yaw + mt_rand(-180, 180) / 10;
         $pitch = $this->pitch + mt_rand(-90, 90) / 10;
         $nbt = new Compound("", ["Pos" => new Enum("Pos", [new Double("", $this->x), new Double("", $this->y + 1.62), new Double("", $this->z)]), "Motion" => new Enum("Motion", [new Double("", -sin($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI) * $f), new Double("", -sin($pitch / 180 * M_PI) * $f), new Double("", cos($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI) * $f)]), "Rotation" => new Enum("Rotation", [new Float("", $yaw), new Float("", $pitch)])]);
         /** @var Projectile $arrow */
         $arrow = Entity::createEntity("Arrow", $this->chunk, $nbt, $this);
         $ev = new EntityShootBowEvent($this, Item::get(Item::ARROW, 0, 1), $arrow, $f);
         $this->server->getPluginManager()->callEvent($ev);
         $projectile = $ev->getProjectile();
         if ($ev->isCancelled()) {
             $ev->getProjectile()->kill();
         } elseif ($projectile instanceof Projectile) {
             $this->server->getPluginManager()->callEvent($launch = new ProjectileLaunchEvent($projectile));
             if ($launch->isCancelled()) {
                 $projectile->kill();
             } else {
                 $projectile->spawnToAll();
                 $this->level->addSound(new LaunchSound($this), $this->getViewers());
             }
         }
     }
 }

 public function attackEntity(Entity $player)
 {
     if ($this->attackDelay > 30 && mt_rand(1, 32) < 4 && $this->distanceSquared($player) <= 200) {
         $this->attackDelay = 0;
         $f = 2;
         $yaw = $this->yaw + mt_rand(-220, 220) / 10;
         $pitch = $this->pitch + mt_rand(-120, 120) / 10;
         $nbt = new CompoundTag("", ["Pos" => new ListTag("Pos", [new DoubleTag("", $this->x + -sin($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI) * 2), new DoubleTag("", $this->y + 2), new DoubleTag("", $this->z + cos($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI) * 2)]), "Motion" => new ListTag("Motion", [new DoubleTag("", -sin($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI)), new DoubleTag("", -sin($pitch / 180 * M_PI) * $f), new DoubleTag("", cos($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI))]), "Rotation" => new ListTag("Rotation", [new FloatTag("", $yaw), new FloatTag("", $pitch)])]);
         $fireball = Entity::createEntity("FireBall", $this->chunk, $nbt, $this);
         if ($fireball instanceof FireBall) {
             $fireball->setExplode(true);
         }
         $fireball->setMotion($fireball->getMotion()->multiply($f));
         $ev = new EntityShootBowEvent($this, Item::get(Item::ARROW, 0, 1), $fireball, $f);
         $this->server->getPluginManager()->callEvent($ev);
         $projectile = $ev->getProjectile();
         if ($ev->isCancelled()) {
             $projectile->kill();
         } elseif ($projectile instanceof Projectile) {
             $this->server->getPluginManager()->callEvent($launch = new ProjectileLaunchEvent($projectile));
             if ($launch->isCancelled()) {
                 $projectile->kill();
             } else {
                 $projectile->spawnToAll();
                 $this->level->addSound(new LaunchSound($this), $this->getViewers());
             }
         }
     }
 }

 public function attackEntity(Entity $player)
 {
     if ($this->attackDelay > 23 && mt_rand(1, 32) < 4 && $this->distanceSquared($player) <= 55) {
         $this->attackDelay = 0;
         $f = 1.2;
         $yaw = $this->yaw + mt_rand(-220, 220) / 10;
         $pitch = $this->pitch + mt_rand(-120, 120) / 10;
         $nbt = new CompoundTag("", ["Pos" => new ListTag("Pos", [new DoubleTag("", $this->x + -sin($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI) * 0.5), new DoubleTag("", $this->y + 1), new DoubleTag("", $this->z + cos($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI) * 0.5)]), "Motion" => new ListTag("Motion", [new DoubleTag("", -sin($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI)), new DoubleTag("", -sin($pitch / 180 * M_PI)), new DoubleTag("", cos($yaw / 180 * M_PI) * cos($pitch / 180 * M_PI))]), "Rotation" => new ListTag("Rotation", [new FloatTag("", $yaw), new FloatTag("", $pitch)])]);
         /** @var Projectile $snowball */
         $snowball = Entity::createEntity("Snowball", $this->chunk, $nbt, $this);
         $snowball->setMotion($snowball->getMotion()->multiply($f));
         $property = (new \ReflectionClass($snowball))->getProperty("damage");
         $property->setAccessible(true);
         $property->setValue($snowball, 2);
         $ev = new EntityShootBowEvent($this, Item::get(Item::ARROW, 0, 1), $snowball, $f);
         $this->server->getPluginManager()->callEvent($ev);
         $projectile = $ev->getProjectile();
         if ($ev->isCancelled()) {
             $projectile->kill();
         } elseif ($projectile instanceof Projectile) {
             $this->server->getPluginManager()->callEvent($launch = new ProjectileLaunchEvent($projectile));
             if ($launch->isCancelled()) {
                 $projectile->kill();
             } else {
                 $projectile->spawnToAll();
                 $this->level->addSound(new LaunchSound($this), $this->getViewers());
             }
         }
     }
 }

 public function launch(Player $player)
 {
     $nbt = new Compound("", ["Pos" => new Enum("Pos", [new Double("", $player->x), new Double("", $player->y + $player->getEyeHeight()), new Double("", $player->z)]), "Motion" => new Enum("Motion", [new Double("", -sin($player->yaw / 180 * M_PI) * cos($player->pitch / 180 * M_PI)), new Double("", -sin($player->pitch / 180 * M_PI)), new Double("", cos($player->yaw / 180 * M_PI) * cos($player->pitch / 180 * M_PI))]), "Rotation" => new Enum("Rotation", [new Float("", $player->yaw), new Float("", $player->pitch)]), "Data" => new Byte("Data", $this->getDamage())]);
     $f = $this->f;
     $launched = Entity::createEntity($this->getEntityName(), $player->chunk, $nbt, $player);
     $launched->setMotion($launched->getMotion()->multiply($f));
     if ($launched instanceof Projectile) {
         $player->server->getPluginManager()->callEvent($projectileEv = new ProjectileLaunchEvent($launched));
         if ($projectileEv->isCancelled()) {
             $launched->kill();
         } else {
             $launched->spawnToAll();
             $player->level->addSound(new LaunchSound($player), $player->getViewers());
         }
     } else {
         $launched->spawnToAll();
     }
     return true;
 }

 /**
  * Handles a Minecraft packet
  * TODO: Separate all of this in handlers
  *
  * WARNING: Do not use this, it's only for internal use.
  * Changes to this function won't be recorded on the version.
  *
  * @param DataPacket $packet
  */
 public function handleDataPacket(DataPacket $packet)
 {
     if ($this->connected === false) {
         return;
     }
     if ($packet->pid() === ProtocolInfo::BATCH_PACKET) {
         /** @var BatchPacket $packet */
         $this->server->getNetwork()->processBatch($packet, $this);
         return;
     }
     $this->server->getPluginManager()->callEvent($ev = new DataPacketReceiveEvent($this, $packet));
     if ($ev->isCancelled()) {
         return;
     }
     switch ($packet->pid()) {
         case ProtocolInfo::LOGIN_PACKET:
             /*
              * A/N: Not going to implement any session code until it actually does stuff.
              * Single line functions are obnoxious to follow.
              */
             if ($this->loggedIn === true) {
                 break;
             }
             $this->username = TextFormat::clean($packet->username);
             $this->displayName = $this->username;
             $this->setNameTag($this->username);
             $this->iusername = strtolower($this->username);
             $this->randomClientId = $packet->clientId;
             $this->loginData = ["clientId" => $packet->clientId, "loginData" => null];
             $this->uuid = $packet->clientUUID;
             $this->rawUUID = $this->uuid->toBinary();
             $this->clientSecret = $packet->clientSecret;
             $this->protocol = $packet->protocol1;
             if (count($this->server->getOnlinePlayers()) > $this->server->getMaxPlayers() and $this->kick("Server is full")) {
                 break;
             }
             if ($packet->protocol1 < ProtocolInfo::CURRENT_PROTOCOL) {
                 $message = "";
                 if ($packet->protocol1 < ProtocolInfo::CURRENT_PROTOCOL) {
                     $message = "Please update Minecraft PE to join.";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_CLIENT;
                     $this->dataPacket($pk);
                 } else {
                     $message = "Please use an older version of Minecraft PE.";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_SERVER;
                     $this->dataPacket($pk);
                 }
                 $this->close("", $message, false);
                 return;
             }
             if (strpos($packet->username, "") !== false or preg_match('#^[a-zA-Z0-9_]{3,16}$#', $packet->username) == 0 or $this->username === "" or $this->iusername === "rcon" or $this->iusername === "console" or strlen($packet->username) > 16 or strlen($packet->username) < 3) {
                 $this->close("", "Please choose a valid username.");
                 return;
             }
             if (strlen($packet->skin) < 64 * 32 * 4) {
                 $this->close("", "Invalid skin.", false);
                 return;
             }
             $this->setSkin($packet->skin, $packet->slim);
             $this->server->getPluginManager()->callEvent($ev = new PlayerPreLoginEvent($this, "Plugin reason"));
             if ($ev->isCancelled()) {
                 $this->close("", $ev->getKickMessage());
                 return;
             }
             if (!$this->server->isWhitelisted(strtolower($this->getName()))) {
                 $this->close(TextFormat::YELLOW . $this->username . " has left the game", "Server is private.");
                 return;
             } elseif ($this->server->getNameBans()->isBanned(strtolower($this->getName())) or $this->server->getIPBans()->isBanned($this->getAddress())) {
                 $this->close(TextFormat::YELLOW . $this->username . " has left the game", "You have been banned.");
                 return;
             }
             if ($this->hasPermission(Server::BROADCAST_CHANNEL_USERS)) {
                 $this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_USERS, $this);
             }
             if ($this->hasPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE)) {
                 $this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);
             }
             foreach ($this->server->getOnlinePlayers() as $p) {
                 if ($p !== $this and strtolower($p->getName()) === strtolower($this->getName())) {
                     if ($p->kick("You connected from somewhere else.") === false) {
                         $this->close(TextFormat::YELLOW . $this->getName() . " has left the game", "You connected from somewhere else.");
                         return;
                     } else {
                         return;
                     }
                 }
             }
             $nbt = $this->server->getOfflinePlayerData($this->username);
             if (!isset($nbt->NameTag)) {
//.........这里部分代码省略.........

 /**
  * Handles a Minecraft packet
  * TODO: Separate all of this in handlers
  *
  * WARNING: Do not use this, it's only for internal use.
  * Changes to this function won't be recorded on the version.
  *
  * @param DataPacket $packet
  */
 public function handleDataPacket(DataPacket $packet)
 {
     if ($this->connected === false) {
         return;
     }
     $this->server->getPluginManager()->callEvent($ev = new DataPacketReceiveEvent($this, $packet));
     if ($ev->isCancelled()) {
         return;
     }
     switch ($packet->pid()) {
         case ProtocolInfo::LOGIN_PACKET:
             if ($this->loggedIn === true) {
                 break;
             }
             $this->username = TextFormat::clean($packet->username);
             $this->displayName = $this->username;
             $this->nameTag = $this->username;
             $this->iusername = strtolower($this->username);
             $this->loginData = ["clientId" => $packet->clientId, "loginData" => $packet->loginData];
             if (count($this->server->getOnlinePlayers()) > $this->server->getMaxPlayers()) {
                 if ($this->kick("server full") === true) {
                     return;
                 }
             }
             if ($packet->protocol1 !== ProtocolInfo::CURRENT_PROTOCOL) {
                 if ($packet->protocol1 < ProtocolInfo::CURRENT_PROTOCOL) {
                     $pk = new LoginStatusPacket();
                     $pk->status = 1;
                     $this->dataPacket($pk);
                 } else {
                     $pk = new LoginStatusPacket();
                     $pk->status = 2;
                     $this->dataPacket($pk);
                 }
                 $this->close("", "Incorrect protocol #" . $packet->protocol1, false);
                 return;
             }
             if (strpos($packet->username, "") !== false or preg_match('#^[a-zA-Z0-9_]{3,16}$#', $packet->username) == 0 or $this->username === "" or $this->iusername === "rcon" or $this->iusername === "console" or strlen($packet->username) > 16 or strlen($packet->username) < 3) {
                 $this->close("", "Bad username");
                 return;
             }
             $this->server->getPluginManager()->callEvent($ev = new PlayerPreLoginEvent($this, "Plugin reason"));
             if ($ev->isCancelled()) {
                 $this->close("", $ev->getKickMessage());
                 return;
             }
             if (!$this->server->isWhitelisted(strtolower($this->getName()))) {
                 $this->close(TextFormat::YELLOW . $this->username . " has left the game", "Server is white-listed");
                 return;
             } elseif ($this->server->getNameBans()->isBanned(strtolower($this->getName())) or $this->server->getIPBans()->isBanned($this->getAddress())) {
                 $this->close(TextFormat::YELLOW . $this->username . " has left the game", "You are banned");
                 return;
             }
             if ($this->hasPermission(Server::BROADCAST_CHANNEL_USERS)) {
                 $this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_USERS, $this);
             }
             if ($this->hasPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE)) {
                 $this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);
             }
             foreach ($this->server->getOnlinePlayers() as $p) {
                 if ($p !== $this and strtolower($p->getName()) === strtolower($this->getName())) {
                     if ($p->kick("logged in from another location") === false) {
                         $this->close(TextFormat::YELLOW . $this->getName() . " has left the game", "Logged in from another location");
                         return;
                     } else {
                         break;
                     }
                 }
             }
             $nbt = $this->server->getOfflinePlayerData($this->username);
             if (!isset($nbt->NameTag)) {
                 $nbt->NameTag = new String("NameTag", $this->username);
             } else {
                 $nbt["NameTag"] = $this->username;
             }
             $this->gamemode = $nbt["playerGameType"] & 0x3;
             if ($this->server->getForceGamemode()) {
                 $this->gamemode = $this->server->getGamemode();
                 $nbt->playerGameType = new Int("playerGameType", $this->gamemode);
             }
             if (($level = $this->server->getLevelByName($nbt["Level"])) === null) {
                 $this->setLevel($this->server->getDefaultLevel(), true);
                 $nbt["Level"] = $this->level->getName();
                 $nbt["Pos"][0] = $this->level->getSpawnLocation()->x;
                 $nbt["Pos"][1] = $this->level->getSpawnLocation()->y;
                 $nbt["Pos"][2] = $this->level->getSpawnLocation()->z;
             } else {
                 $this->setLevel($level, true);
             }
             if (!$nbt instanceof Compound) {
                 $this->close(TextFormat::YELLOW . $this->username . " has left the game", "Invalid data");
//.........这里部分代码省略.........

 /**
  * Handles a Minecraft packet
  * TODO: Separate all of this in handlers
  *
  * WARNING: Do not use this, it's only for internal use.
  * Changes to this function won't be recorded on the version.
  *
  * @param DataPacket $packet
  */
 public function handleDataPacket(DataPacket $packet)
 {
     if ($this->connected === false) {
         return;
     }
     if ($packet::NETWORK_ID === ProtocolInfo::BATCH_PACKET) {
         /** @var BatchPacket $packet */
         $this->server->getNetwork()->processBatch($packet, $this);
         return;
     }
     $timings = Timings::getReceiveDataPacketTimings($packet);
     $timings->startTiming();
     $this->server->getPluginManager()->callEvent($ev = new DataPacketReceiveEvent($this, $packet));
     if ($ev->isCancelled()) {
         $timings->stopTiming();
         return;
     }
     switch ($packet::NETWORK_ID) {
         case ProtocolInfo::ITEM_FRAME_DROP_ITEM_PACKET:
             $tile = $this->level->getTile($this->temporalVector->setComponents($packet->x, $packet->y, $packet->z));
             if ($tile instanceof ItemFrame) {
                 $block = $this->level->getBlock($tile);
                 $this->server->getPluginManager()->callEvent($ev = new BlockBreakEvent($this, $block, $this->getInventory()->getItemInHand(), true));
                 if (!$ev->isCancelled()) {
                     $item = $tile->getItem();
                     $this->server->getPluginManager()->callEvent($ev = new ItemFrameDropItemEvent($this, $block, $tile, $item));
                     if (!$ev->isCancelled()) {
                         if ($item->getId() !== Item::AIR) {
                             if (mt_rand(0, 10) / 10 < $tile->getItemDropChance()) {
                                 $this->level->dropItem($tile, $item);
                             }
                             $tile->setItem(Item::get(Item::AIR));
                             $tile->setItemRotation(0);
                         }
                     } else {
                         $tile->spawnTo($this);
                     }
                 } else {
                     $tile->spawnTo($this);
                 }
             }
             break;
         case ProtocolInfo::REQUEST_CHUNK_RADIUS_PACKET:
             /*if($this->spawned){
             			$this->viewDistance = $packet->radius ** 2;
             		}*/
             $pk = new ChunkRadiusUpdatedPacket();
             $pk->radius = $this->server->chunkRadius != -1 ? $this->server->chunkRadius : $packet->radius;
             $this->dataPacket($pk);
             break;
         case ProtocolInfo::PLAYER_INPUT_PACKET:
             break;
         case ProtocolInfo::LOGIN_PACKET:
             if ($this->loggedIn) {
                 break;
             }
             $pk = new PlayStatusPacket();
             $pk->status = PlayStatusPacket::LOGIN_SUCCESS;
             $this->dataPacket($pk);
             $this->username = TextFormat::clean($packet->username);
             $this->displayName = $this->username;
             $this->setNameTag($this->username);
             $this->iusername = strtolower($this->username);
             $this->protocol = $packet->protocol;
             if ($this->server->getConfigBoolean("online-mode", false) && $packet->identityPublicKey === null) {
                 $this->kick("disconnectionScreen.notAuthenticated", false);
                 break;
             }
             if (count($this->server->getOnlinePlayers()) >= $this->server->getMaxPlayers() and $this->kick("disconnectionScreen.serverFull", false)) {
                 break;
             }
             if (!in_array($packet->protocol, ProtocolInfo::ACCEPTED_PROTOCOLS)) {
                 if ($packet->protocol < ProtocolInfo::CURRENT_PROTOCOL) {
                     $message = "disconnectionScreen.outdatedClient";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_CLIENT;
                     $this->directDataPacket($pk);
                 } else {
                     $message = "disconnectionScreen.outdatedServer";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_SERVER;
                     $this->directDataPacket($pk);
                 }
                 $this->close("", $message, false);
                 break;
             }
             $this->randomClientId = $packet->clientId;
             $this->uuid = UUID::fromString($packet->clientUUID);
             $this->rawUUID = $this->uuid->toBinary();
             $valid = true;
             $len = strlen($packet->username);
//.........这里部分代码省略.........

 /**
  * Handles a Minecraft packet
  * TODO: Separate all of this in handlers
  *
  * WARNING: Do not use this, it's only for internal use.
  * Changes to this function won't be recorded on the version.
  *
  * @param DataPacket $packet
  */
 public function handleDataPacket(DataPacket $packet)
 {
     if ($this->connected === false) {
         return;
     }
     if ($packet::NETWORK_ID === ProtocolInfo::BATCH_PACKET) {
         /** @var BatchPacket $packet */
         $this->server->getNetwork()->processBatch($packet, $this);
         return;
     }
     $timings = Timings::getReceiveDataPacketTimings($packet);
     $timings->startTiming();
     $this->server->getPluginManager()->callEvent($ev = new DataPacketReceiveEvent($this, $packet));
     if ($ev->isCancelled()) {
         $timings->stopTiming();
         return;
     }
     switch ($packet::NETWORK_ID) {
         case ProtocolInfo::ITEM_FRAME_DROP_ITEM_PACKET:
             $tile = $this->level->getTile($this->temporalVector->setComponents($packet->x, $packet->y, $packet->z));
             if ($tile instanceof ItemFrame) {
                 if ($tile->getItem()->getId() !== Item::AIR) {
                     $this->getServer()->getPluginManager()->callEvent($ev = new ItemFrameDropItemEvent($this->getLevel()->getBlock($tile), $this, $tile->getItem(), $tile->getItemDropChance()));
                     if (!$ev->isCancelled()) {
                         if (mt_rand(0, 10) / 10 <= $tile->getItemDropChance()) {
                             $this->level->dropItem($tile, $tile->getItem());
                         }
                         $tile->setItem(Item::get(Item::AIR));
                         $tile->setItemRotation(0);
                     }
                 }
             }
             break;
         case ProtocolInfo::PLAYER_INPUT_PACKET:
             break;
         case ProtocolInfo::LOGIN_PACKET:
             if ($this->loggedIn) {
                 break;
             }
             $this->username = TextFormat::clean($packet->username);
             $this->displayName = $this->username;
             $this->iusername = strtolower($this->username);
             #$this->setDataProperty(self::DATA_NAMETAG, self::DATA_TYPE_STRING, $this->username, false);
             if ($this->server->getMaxPlayers() !== -1) {
                 if (count($this->server->getOnlinePlayers()) >= $this->server->getMaxPlayers() and $this->kick("disconnectionScreen.serverFull", false)) {
                     break;
                 }
             }
             if (!in_array($packet->protocol, ProtocolInfo::ACCEPT_PROTOCOL)) {
                 if ($packet->protocol < ProtocolInfo::CURRENT_PROTOCOL) {
                     $message = "disconnectionScreen.outdatedClient";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_CLIENT;
                     $this->directDataPacket($pk);
                 } else {
                     $message = "disconnectionScreen.outdatedServer";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_SERVER;
                     $this->directDataPacket($pk);
                 }
                 $this->close("", $message, false);
                 break;
             }
             $this->randomClientId = $packet->clientId;
             $this->uuid = UUID::fromString($packet->clientUUID);
             $this->rawUUID = $this->uuid->toBinary();
             $this->identityPublicKey = $packet->identityPublicKey;
             $this->chainData = $packet->chainData;
             $valid = true;
             $len = strlen($packet->username);
             if ($len > 16 or $len < 3) {
                 $valid = false;
             }
             for ($i = 0; $i < $len and $valid; ++$i) {
                 $c = ord($packet->username[$i]);
                 if ($c >= ord("a") and $c <= ord("z") or $c >= ord("A") and $c <= ord("Z") or $c >= ord("0") and $c <= ord("9") or $c === ord("_")) {
                     continue;
                 }
                 $valid = false;
                 break;
             }
             if (!$valid or $this->iusername === "rcon" or $this->iusername === "console") {
                 $this->close("", "disconnectionScreen.invalidName");
                 break;
             }
             if (strlen($packet->skin) !== 64 * 32 * 4 and strlen($packet->skin) !== 64 * 64 * 4) {
                 $this->close("", "disconnectionScreen.invalidSkin");
                 break;
             }
             $this->setSkin($packet->skin, $packet->skinId);
             $this->server->getPluginManager()->callEvent($ev = new PlayerPreLoginEvent($this, "Plugin reason"));
//.........这里部分代码省略.........

 public function burstArrow(Player $player)
 {
     if ($player->getInventory()->getItemInHand()->getId() === Item::BOW) {
         $bow = $player->getInventory()->getItemInHand();
         $nbt = new Compound("", ["Pos" => new Enum("Pos", [new Double("", $player->x), new Double("", $player->y + $player->getEyeHeight()), new Double("", $player->z)]), "Motion" => new Enum("Motion", [new Double("", -\sin($player->yaw / 180 * M_PI) * \cos($player->pitch / 180 * M_PI)), new Double("", -\sin($player->pitch / 180 * M_PI)), new Double("", \cos($player->yaw / 180 * M_PI) * \cos($player->pitch / 180 * M_PI))]), "Rotation" => new Enum("Rotation", [new Float("", $player->yaw), new Float("", $player->pitch)])]);
         $ev = new EntityShootBowEvent($player, $bow, Entity::createEntity("Arrow", $player->chunk, $nbt, $player), 1.5);
         $this->getServer()->getPluginManager()->callEvent($ev);
         if ($ev->isCancelled()) {
             $ev->getProjectile()->kill();
         } else {
             $ev->getProjectile()->setMotion($ev->getProjectile()->getMotion()->multiply($ev->getForce()));
             if ($ev->getProjectile() instanceof Projectile) {
                 $this->getServer()->getPluginManager()->callEvent($projectileEv = new ProjectileLaunchEvent($ev->getProjectile()));
                 if ($projectileEv->isCancelled()) {
                     $ev->getProjectile()->kill();
                 } else {
                     $this->object_hash[spl_object_hash($ev->getProjectile())] = 1;
                     $ev->getProjectile()->spawnToAll();
                 }
             } else {
                 $this->object_hash[spl_object_hash($ev->getProjectile())] = 1;
                 $ev->getProjectile()->spawnToAll();
             }
         }
     }
 }

 /**
  * Handles a Minecraft packet
  * TODO: Separate all of this in handlers
  *
  * WARNING: Do not use this, it's only for internal use.
  * Changes to this function won't be recorded on the version.
  *
  * @param DataPacket $packet
  */
 public function handleDataPacket(DataPacket $packet)
 {
     if ($this->connected === false) {
         return;
     }
     if ($packet->pid() === ProtocolInfo::BATCH_PACKET) {
         /** @var BatchPacket $packet */
         $this->server->getNetwork()->processBatch($packet, $this);
         return;
     }
     $this->server->getPluginManager()->callEvent($ev = new DataPacketReceiveEvent($this, $packet));
     if ($ev->isCancelled()) {
         return;
     }
     switch ($packet->pid()) {
         case ProtocolInfo::LOGIN_PACKET:
             if ($this->loggedIn === true) {
                 break;
             }
             $this->username = TextFormat::clean($packet->username);
             $this->displayName = $this->username;
             $this->nameTag = $this->username;
             $this->iusername = strtolower($this->username);
             $this->randomClientId = $packet->clientId;
             $this->loginData = ["clientId" => $packet->clientId, "loginData" => null];
             $this->uuid = Utils::dataToUUID($this->randomClientId, $this->iusername, $this->getAddress());
             if (count($this->server->getOnlinePlayers()) > $this->server->getMaxPlayers() and $this->kick("disconnectionScreen.serverFull", false)) {
                 return;
             }
             if ($packet->protocol1 !== ProtocolInfo::CURRENT_PROTOCOL) {
                 if ($packet->protocol1 < ProtocolInfo::CURRENT_PROTOCOL) {
                     $message = "disconnectionScreen.outdatedClient";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_CLIENT;
                     $this->dataPacket($pk->setChannel(Network::CHANNEL_PRIORITY));
                 } else {
                     $message = "disconnectionScreen.outdatedServer";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_SERVER;
                     $this->dataPacket($pk->setChannel(Network::CHANNEL_PRIORITY));
                 }
                 $this->close("", $message, false);
                 return;
             }
             if (strpos($packet->username, "") !== false or preg_match('#^[a-zA-Z0-9_]{3,16}$#', $packet->username) == 0 or $this->username === "" or $this->iusername === "rcon" or $this->iusername === "console" or strlen($packet->username) > 16 or strlen($packet->username) < 3) {
                 $this->close("", "disconnectionScreen.invalidName");
                 return;
             }
             if (strlen($packet->skin) < 64 * 32 * 4) {
                 $this->close("", "disconnectionScreen.invalidSkin", false);
                 return;
             }
             $this->setSkin($packet->skin, $packet->slim);
             $this->server->getPluginManager()->callEvent($ev = new PlayerPreLoginEvent($this, "Plugin reason"));
             if ($ev->isCancelled()) {
                 $this->close("", $ev->getKickMessage());
                 return;
             }
             if (!$this->server->isWhitelisted(strtolower($this->getName()))) {
                 $this->close($this->getLeaveMessage(), "Server is white-listed");
                 return;
             } elseif ($this->server->getNameBans()->isBanned(strtolower($this->getName())) or $this->server->getIPBans()->isBanned($this->getAddress())) {
                 $this->close($this->getLeaveMessage(), "You are banned");
                 return;
             }
             if ($this->hasPermission(Server::BROADCAST_CHANNEL_USERS)) {
                 $this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_USERS, $this);
             }
             if ($this->hasPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE)) {
                 $this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);
             }
             foreach ($this->server->getOnlinePlayers() as $p) {
                 if ($p !== $this and strtolower($p->getName()) === strtolower($this->getName())) {
                     if ($p->kick("logged in from another location") === false) {
                         $this->close($this->getLeaveMessage(), "Logged in from another location");
                         return;
                     } else {
                         return;
                     }
                 }
             }
             $nbt = $this->server->getOfflinePlayerData($this->username);
             if (!isset($nbt->NameTag)) {
                 $nbt->NameTag = new String("NameTag", $this->username);
             } else {
                 $nbt["NameTag"] = $this->username;
             }
             $this->gamemode = $nbt["playerGameType"] & 0x3;
             if ($this->server->getForceGamemode()) {
                 $this->gamemode = $this->server->getGamemode();
                 $nbt->playerGameType = new Int("playerGameType", $this->gamemode);
//.........这里部分代码省略.........

 /**
  * Handles a Minecraft packet
  * TODO: Separate all of this in handlers
  *
  * WARNING: Do not use this, it's only for internal use.
  * Changes to this function won't be recorded on the version.
  *
  * @param DataPacket $packet
  */
 public function handleDataPacket(DataPacket $packet)
 {
     if ($this->connected === false) {
         return;
     }
     if ($packet::NETWORK_ID === ProtocolInfo::BATCH_PACKET) {
         /** @var BatchPacket $packet */
         $this->server->getNetwork()->processBatch($packet, $this);
         return;
     }
     $timings = Timings::getReceiveDataPacketTimings($packet);
     $timings->startTiming();
     $this->server->getPluginManager()->callEvent($ev = new DataPacketReceiveEvent($this, $packet));
     if ($ev->isCancelled()) {
         $timings->stopTiming();
         return;
     }
     switch ($packet::NETWORK_ID) {
         case ProtocolInfo::ITEM_FRAME_DROP_ITEM_PACKET:
             $tile = $this->level->getTile($this->temporalVector->setComponents($packet->x, $packet->y, $packet->z));
             if ($tile instanceof ItemFrame) {
                 $block = $this->level->getBlock($tile);
                 $this->server->getPluginManager()->callEvent($ev = new BlockBreakEvent($this, $block, $this->getInventory()->getItemInHand(), true));
                 if (!$ev->isCancelled()) {
                     $item = $tile->getItem();
                     $this->server->getPluginManager()->callEvent($ev = new ItemFrameDropItemEvent($this, $block, $tile, $item));
                     if (!$ev->isCancelled()) {
                         if ($item->getId() !== Item::AIR) {
                             if (mt_rand(0, 10) / 10 < $tile->getItemDropChance()) {
                                 $this->level->dropItem($tile, $item);
                             }
                             $tile->setItem(Item::get(Item::AIR));
                             $tile->setItemRotation(0);
                         }
                     } else {
                         $tile->spawnTo($this);
                     }
                 } else {
                     $tile->spawnTo($this);
                 }
             }
             break;
         case ProtocolInfo::REQUEST_CHUNK_RADIUS_PACKET:
             /*if($this->spawned){
             			$this->viewDistance = $packet->radius ** 2;
             		}*/
             $pk = new ChunkRadiusUpdatedPacket();
             $pk->radius = $this->server->chunkRadius != -1 ? $this->server->chunkRadius : $packet->radius;
             $this->dataPacket($pk);
             break;
         case ProtocolInfo::PLAYER_INPUT_PACKET:
             break;
         case ProtocolInfo::LOGIN_PACKET:
             if ($this->loggedIn) {
                 break;
             }
             $pk = new PlayStatusPacket();
             $pk->status = PlayStatusPacket::LOGIN_SUCCESS;
             $this->dataPacket($pk);
             $this->username = TextFormat::clean($packet->username);
             $this->displayName = $this->username;
             $this->setNameTag($this->username);
             $this->iusername = strtolower($this->username);
             $this->protocol = $packet->protocol;
             if (count($this->server->getOnlinePlayers()) >= $this->server->getMaxPlayers() and $this->kick("disconnectionScreen.serverFull", false)) {
                 break;
             }
             if (!in_array($packet->protocol, ProtocolInfo::ACCEPTED_PROTOCOLS)) {
                 if ($packet->protocol < ProtocolInfo::CURRENT_PROTOCOL) {
                     $message = "disconnectionScreen.outdatedClient";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_CLIENT;
                     $this->directDataPacket($pk);
                 } else {
                     $message = "disconnectionScreen.outdatedServer";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_SERVER;
                     $this->directDataPacket($pk);
                 }
                 $this->close("", $message, false);
                 break;
             }
             $this->randomClientId = $packet->clientId;
             $this->loginData = ["clientId" => $packet->clientId, "loginData" => null];
             $this->uuid = UUID::fromString($packet->clientUUID);
             $this->rawUUID = $this->uuid->toBinary();
             $valid = true;
             $len = strlen($packet->username);
             if ($len > 16 or $len < 3) {
                 $valid = false;
             }
//.........这里部分代码省略.........

 /**
  * Handles a Minecraft packet
  * TODO: Separate all of this in handlers
  *
  * WARNING: Do not use this, it's only for internal use.
  * Changes to this function won't be recorded on the version.
  *
  * @param DataPacket $packet
  */
 public function handleDataPacket(DataPacket $packet)
 {
     if ($this->connected === false) {
         return;
     }
     if ($packet::NETWORK_ID === ProtocolInfo::BATCH_PACKET) {
         /** @var BatchPacket $packet */
         $this->server->getNetwork()->processBatch($packet, $this);
         return;
     }
     $timings = Timings::getReceiveDataPacketTimings($packet);
     $timings->startTiming();
     $this->server->getPluginManager()->callEvent($ev = new DataPacketReceiveEvent($this, $packet));
     if ($ev->isCancelled()) {
         $timings->stopTiming();
         return;
     }
     switch ($packet::NETWORK_ID) {
         case ProtocolInfo::LOGIN_PACKET:
             if ($this->loggedIn) {
                 break;
             }
             $this->username = TextFormat::clean($packet->username);
             $this->displayName = $this->username;
             $this->setNameTag($this->username);
             $this->iusername = strtolower($this->username);
             if (count($this->server->getOnlinePlayers()) >= $this->server->getMaxPlayers() and $this->kick("disconnectionScreen.serverFull", false)) {
                 break;
             }
             if ($packet->protocol1 !== ProtocolInfo::CURRENT_PROTOCOL) {
                 if ($packet->protocol1 < ProtocolInfo::CURRENT_PROTOCOL) {
                     $message = "disconnectionScreen.outdatedClient";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_CLIENT;
                     $this->directDataPacket($pk);
                 } else {
                     $message = "disconnectionScreen.outdatedServer";
                     $pk = new PlayStatusPacket();
                     $pk->status = PlayStatusPacket::LOGIN_FAILED_SERVER;
                     $this->directDataPacket($pk);
                 }
                 $this->close("", $message, false);
                 break;
             }
             $this->randomClientId = $packet->clientId;
             $this->loginData = ["clientId" => $packet->clientId, "loginData" => null];
             $this->uuid = $packet->clientUUID;
             $this->rawUUID = $this->uuid->toBinary();
             $this->clientSecret = $packet->clientSecret;
             $valid = true;
             $len = strlen($packet->username);
             if ($len > 16 or $len < 3) {
                 $valid = false;
             }
             for ($i = 0; $i < $len and $valid; ++$i) {
                 $c = ord($packet->username[$i]);
                 if ($c >= ord("a") and $c <= ord("z") or $c >= ord("A") and $c <= ord("Z") or $c >= ord("0") and $c <= ord("9") or $c === ord("_")) {
                     continue;
                 }
                 $valid = false;
                 break;
             }
             if (!$valid or $this->iusername === "rcon" or $this->iusername === "console") {
                 $this->close("", "disconnectionScreen.invalidName");
                 break;
             }
             if (strlen($packet->skin) !== 64 * 32 * 4 and strlen($packet->skin) !== 64 * 64 * 4) {
                 $this->close("", "disconnectionScreen.invalidSkin");
                 break;
             }
             $this->setSkin($packet->skin, $packet->skinname, $packet->oldclient, $packet->slim, $packet->transparent);
             $this->server->getPluginManager()->callEvent($ev = new PlayerPreLoginEvent($this, "Plugin reason"));
             if ($ev->isCancelled()) {
                 $this->close("", $ev->getKickMessage());
                 break;
             }
             $this->onPlayerPreLogin();
             break;
         case ProtocolInfo::MOVE_PLAYER_PACKET:
             $newPos = new Vector3($packet->x, $packet->y - $this->getEyeHeight(), $packet->z);
             $revert = false;
             if (!$this->isAlive() or $this->spawned !== true) {
                 $revert = true;
                 $this->forceMovement = new Vector3($this->x, $this->y, $this->z);
             }
             if ($this->teleportPosition !== null or $this->forceMovement instanceof Vector3 and (($dist = $newPos->distanceSquared($this->forceMovement)) > 0.1 or $revert)) {
                 $this->sendPosition($this->forceMovement, $packet->yaw, $packet->pitch);
             } else {
                 $packet->yaw %= 360;
                 $packet->pitch %= 360;
                 if ($packet->yaw < 0) {
//.........这里部分代码省略.........