mirror of
https://github.com/pmmp/PocketMine-MP.git
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95 lines
3.1 KiB
PHP
95 lines
3.1 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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declare(strict_types=1);
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namespace pocketmine\block;
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use pocketmine\block\utils\RailConnectionInfo;
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use pocketmine\data\bedrock\block\BlockLegacyMetadata;
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use pocketmine\data\runtime\InvalidSerializedRuntimeDataException;
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use pocketmine\data\runtime\RuntimeDataReader;
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use pocketmine\data\runtime\RuntimeDataWriter;
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use pocketmine\math\Facing;
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use function array_keys;
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use function implode;
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class Rail extends BaseRail{
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private int $railShape = BlockLegacyMetadata::RAIL_STRAIGHT_NORTH_SOUTH;
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public function getRequiredStateDataBits() : int{ return 4; }
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protected function decodeState(RuntimeDataReader $r) : void{
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$railShape = $r->readInt(4);
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if(!isset(RailConnectionInfo::CONNECTIONS[$railShape]) && !isset(RailConnectionInfo::CURVE_CONNECTIONS[$railShape])){
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throw new InvalidSerializedRuntimeDataException("Invalid rail shape $railShape");
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}
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$this->railShape = $railShape;
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}
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protected function encodeState(RuntimeDataWriter $w) : void{
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$w->writeInt(4, $this->railShape);
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}
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protected function setShapeFromConnections(array $connections) : void{
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$railShape = self::searchState($connections, RailConnectionInfo::CONNECTIONS) ?? self::searchState($connections, RailConnectionInfo::CURVE_CONNECTIONS);
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if($railShape === null){
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throw new \InvalidArgumentException("No rail shape matches these connections");
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}
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$this->railShape = $railShape;
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}
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protected function getCurrentShapeConnections() : array{
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return RailConnectionInfo::CURVE_CONNECTIONS[$this->railShape] ?? RailConnectionInfo::CONNECTIONS[$this->railShape];
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}
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protected function getPossibleConnectionDirectionsOneConstraint(int $constraint) : array{
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$possible = parent::getPossibleConnectionDirectionsOneConstraint($constraint);
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if(($constraint & RailConnectionInfo::FLAG_ASCEND) === 0){
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foreach([
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Facing::NORTH,
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Facing::SOUTH,
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Facing::WEST,
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Facing::EAST
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] as $d){
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if($constraint !== $d){
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$possible[$d] = true;
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}
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}
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}
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return $possible;
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}
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public function getShape() : int{ return $this->railShape; }
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/** @return $this */
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public function setShape(int $shape) : self{
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if(!isset(RailConnectionInfo::CONNECTIONS[$shape]) && !isset(RailConnectionInfo::CURVE_CONNECTIONS[$shape])){
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throw new \InvalidArgumentException("Invalid shape, must be one of " . implode(", ", [...array_keys(RailConnectionInfo::CONNECTIONS), ...array_keys(RailConnectionInfo::CURVE_CONNECTIONS)]));
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}
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$this->railShape = $shape;
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return $this;
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}
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}
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