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https://github.com/pmmp/PocketMine-MP.git
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119 lines
3.5 KiB
PHP
119 lines
3.5 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\item\Item;
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use pocketmine\math\AxisAlignedBB;
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use pocketmine\math\Bearing;
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use pocketmine\math\Facing;
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use pocketmine\math\Vector3;
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use pocketmine\Player;
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abstract class Stair extends Transparent{
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/** @var int */
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protected $facing = Facing::NORTH;
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/** @var bool */
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protected $upsideDown = false;
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protected function writeStateToMeta() : int{
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return (5 - $this->facing) | ($this->upsideDown ? 0x04 : 0);
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}
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public function readStateFromMeta(int $meta) : void{
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$this->facing = 5 - ($meta & 0x03);
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$this->upsideDown = ($meta & 0x04) !== 0;
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}
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public function getStateBitmask() : int{
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return 0b111;
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}
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protected function recalculateCollisionBoxes() : array{
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$minYSlab = $this->upsideDown ? 0.5 : 0;
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$bbs = [
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new AxisAlignedBB(0, $minYSlab, 0, 1, $minYSlab + 0.5, 1)
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];
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$minY = $this->upsideDown ? 0 : 0.5;
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$topStep = new AxisAlignedBB(0, $minY, 0, 1, $minY + 0.5, 1);
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self::setBoundsForFacing($topStep, $this->facing);
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/** @var Stair $corner */
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if(($backFacing = $this->getPossibleCornerFacing(false)) !== null){
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self::setBoundsForFacing($topStep, $backFacing);
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}elseif(($frontFacing = $this->getPossibleCornerFacing(true)) !== null){
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//add an extra cube
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$extraCube = new AxisAlignedBB(0, $minY, 0, 1, $minY + 0.5, 1);
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self::setBoundsForFacing($extraCube, Facing::opposite($this->facing));
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self::setBoundsForFacing($extraCube, $frontFacing);
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$bbs[] = $extraCube;
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}
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$bbs[] = $topStep;
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return $bbs;
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}
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private function getPossibleCornerFacing(bool $oppositeFacing) : ?int{
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$side = $this->getSide($oppositeFacing ? Facing::opposite($this->facing) : $this->facing);
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if($side instanceof Stair and $side->upsideDown === $this->upsideDown and (
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$side->facing === Facing::rotate($this->facing, Facing::AXIS_Y, true) or
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$side->facing === Facing::rotate($this->facing, Facing::AXIS_Y, false))
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){
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return $side->facing;
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}
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return null;
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}
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private static function setBoundsForFacing(AxisAlignedBB $bb, int $facing) : void{
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switch($facing){
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case Facing::EAST:
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$bb->minX = 0.5;
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break;
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case Facing::WEST:
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$bb->maxX = 0.5;
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break;
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case Facing::SOUTH:
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$bb->minZ = 0.5;
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break;
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case Facing::NORTH:
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$bb->maxZ = 0.5;
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break;
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default:
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throw new \InvalidArgumentException("Facing must be horizontal");
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}
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}
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public function place(Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $clickVector, Player $player = null) : bool{
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if($player !== null){
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$this->facing = Bearing::toFacing($player->getDirection());
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}
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$this->upsideDown = (($clickVector->y > 0.5 and $face !== Facing::UP) or $face === Facing::DOWN);
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return parent::place($item, $blockReplace, $blockClicked, $face, $clickVector, $player);
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}
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}
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