Removed pocketmine subdirectory, map PSR-4 style

src/crafting/ShapedRecipe.php

@@ -0,0 +1,210 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\crafting;
+
+use pocketmine\item\Item;
+use pocketmine\item\ItemFactory;
+use pocketmine\utils\Utils;
+use function array_values;
+use function count;
+use function implode;
+use function strlen;
+use function strpos;
+
+class ShapedRecipe implements CraftingRecipe{
+	/** @var string[] */
+	private $shape = [];
+	/** @var Item[] char => Item map */
+	private $ingredientList = [];
+	/** @var Item[] */
+	private $results = [];
+
+	/** @var int */
+	private $height;
+	/** @var int */
+	private $width;
+
+	/**
+	 * Constructs a ShapedRecipe instance.
+	 *
+	 * @param string[] $shape <br>
+	 *     Array of 1, 2, or 3 strings representing the rows of the recipe.
+	 *     This accepts an array of 1, 2 or 3 strings. Each string should be of the same length and must be at most 3
+	 *     characters long. Each character represents a unique type of ingredient. Spaces are interpreted as air.
+	 * @param Item[]   $ingredients <br>
+	 *     Char => Item map of items to be set into the shape.
+	 *     This accepts an array of Items, indexed by character. Every unique character (except space) in the shape
+	 *     array MUST have a corresponding item in this list. Space character is automatically treated as air.
+	 * @param Item[]   $results List of items that this recipe produces when crafted.
+	 *
+	 * Note: Recipes **do not** need to be square. Do NOT add padding for empty rows/columns.
+	 */
+	public function __construct(array $shape, array $ingredients, array $results){
+		$this->height = count($shape);
+		if($this->height > 3 or $this->height <= 0){
+			throw new \InvalidArgumentException("Shaped recipes may only have 1, 2 or 3 rows, not $this->height");
+		}
+
+		$shape = array_values($shape);
+
+		$this->width = strlen($shape[0]);
+		if($this->width > 3 or $this->width <= 0){
+			throw new \InvalidArgumentException("Shaped recipes may only have 1, 2 or 3 columns, not $this->width");
+		}
+
+		foreach($shape as $y => $row){
+			if(strlen($row) !== $this->width){
+				throw new \InvalidArgumentException("Shaped recipe rows must all have the same length (expected $this->width, got " . strlen($row) . ")");
+			}
+
+			for($x = 0; $x < $this->width; ++$x){
+				if($row[$x] !== ' ' and !isset($ingredients[$row[$x]])){
+					throw new \InvalidArgumentException("No item specified for symbol '" . $row[$x] . "'");
+				}
+			}
+		}
+
+		$this->shape = $shape;
+
+		foreach($ingredients as $char => $i){
+			if(strpos(implode($this->shape), $char) === false){
+				throw new \InvalidArgumentException("Symbol '$char' does not appear in the recipe shape");
+			}
+
+			$this->ingredientList[$char] = clone $i;
+		}
+
+		$this->results = Utils::cloneObjectArray($results);
+	}
+
+	public function getWidth() : int{
+		return $this->width;
+	}
+
+	public function getHeight() : int{
+		return $this->height;
+	}
+
+	/**
+	 * @return Item[]
+	 */
+	public function getResults() : array{
+		return Utils::cloneObjectArray($this->results);
+	}
+
+	/**
+	 * @param CraftingGrid $grid
+	 *
+	 * @return Item[]
+	 */
+	public function getResultsFor(CraftingGrid $grid) : array{
+		return $this->getResults();
+	}
+
+	/**
+	 * @return Item[][]
+	 */
+	public function getIngredientMap() : array{
+		$ingredients = [];
+
+		for($y = 0; $y < $this->height; ++$y){
+			for($x = 0; $x < $this->width; ++$x){
+				$ingredients[$y][$x] = $this->getIngredient($x, $y);
+			}
+		}
+
+		return $ingredients;
+	}
+
+	/**
+	 * @return Item[]
+	 */
+	public function getIngredientList() : array{
+		$ingredients = [];
+
+		for($y = 0; $y < $this->height; ++$y){
+			for($x = 0; $x < $this->width; ++$x){
+				$ingredient = $this->getIngredient($x, $y);
+				if(!$ingredient->isNull()){
+					$ingredients[] = $ingredient;
+				}
+			}
+		}
+
+		return $ingredients;
+	}
+
+	/**
+	 * @param int $x
+	 * @param int $y
+	 *
+	 * @return Item
+	 */
+	public function getIngredient(int $x, int $y) : Item{
+		$exists = $this->ingredientList[$this->shape[$y]{$x}] ?? null;
+		return $exists !== null ? clone $exists : ItemFactory::air();
+	}
+
+	/**
+	 * Returns an array of strings containing characters representing the recipe's shape.
+	 * @return string[]
+	 */
+	public function getShape() : array{
+		return $this->shape;
+	}
+
+	/**
+	 * @param CraftingGrid $grid
+	 * @param bool         $reverse
+	 *
+	 * @return bool
+	 */
+	private function matchInputMap(CraftingGrid $grid, bool $reverse) : bool{
+		for($y = 0; $y < $this->height; ++$y){
+			for($x = 0; $x < $this->width; ++$x){
+
+				$given = $grid->getIngredient($reverse ? $this->width - $x - 1 : $x, $y);
+				$required = $this->getIngredient($x, $y);
+				if(!$required->equals($given, !$required->hasAnyDamageValue(), $required->hasNamedTag()) or $required->getCount() > $given->getCount()){
+					return false;
+				}
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * @param CraftingGrid $grid
+	 *
+	 * @return bool
+	 */
+	public function matchesCraftingGrid(CraftingGrid $grid) : bool{
+		if($this->width !== $grid->getRecipeWidth() or $this->height !== $grid->getRecipeHeight()){
+			return false;
+		}
+
+		return $this->matchInputMap($grid, false) or $this->matchInputMap($grid, true);
+	}
+}