Accessors, recipe builders

src/main/java/ru/bclib/recipes/GridRecipe.java

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+package ru.bclib.recipes;
+
+import java.util.Arrays;
+import java.util.Map;
+
+import com.google.common.collect.Maps;
+
+import net.minecraft.core.NonNullList;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.tags.Tag;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.crafting.CraftingRecipe;
+import net.minecraft.world.item.crafting.Ingredient;
+import net.minecraft.world.item.crafting.RecipeType;
+import net.minecraft.world.item.crafting.ShapedRecipe;
+import net.minecraft.world.item.crafting.ShapelessRecipe;
+import net.minecraft.world.level.ItemLike;
+import ru.bclib.BCLib;
+
+public class GridRecipe {
+	private static final GridRecipe INSTANCE = new GridRecipe();
+	
+	private ResourceLocation id;
+	private ItemLike output;
+	
+	private String group;
+	private RecipeType<?> type;
+	private boolean shaped;
+	private String[] shape;
+	private Map<Character, Ingredient> materialKeys = Maps.newHashMap();
+	private int count;
+	private boolean exist = true;
+	
+	private GridRecipe() {}
+	
+	public static GridRecipe make(String modID, String name, ItemLike output) {
+		INSTANCE.id = new ResourceLocation(modID, name);
+		INSTANCE.output = output;
+		
+		INSTANCE.group = "";
+		INSTANCE.type = RecipeType.CRAFTING;
+		INSTANCE.shaped = true;
+		INSTANCE.shape = new String[] {"#"};
+		INSTANCE.materialKeys.clear();
+		INSTANCE.count = 1;
+		
+		INSTANCE.exist = BCLRecipeManager.exists(output);
+		
+		return INSTANCE;
+	}
+
+	public GridRecipe setGroup(String group) {
+		this.group = group;
+		return this;
+	}
+	
+	public GridRecipe setShape(String... shape) {
+		this.shape = shape;
+		return this;
+	}
+	
+	public GridRecipe setList(String shape) {
+		this.shape = new String[] { shape };
+		this.shaped = false;
+		return this;
+	}
+	
+	public GridRecipe addMaterial(char key, Tag<Item> value) {
+		return addMaterial(key, Ingredient.of(value));
+	}
+	
+	public GridRecipe addMaterial(char key, ItemStack... value) {
+		return addMaterial(key, Ingredient.of(Arrays.stream(value)));
+	}
+	
+	public GridRecipe addMaterial(char key, ItemLike... values) {
+		for (ItemLike item: values) {
+			exist &= BCLRecipeManager.exists(item);
+		}
+		return addMaterial(key, Ingredient.of(values));
+	}
+	
+	private GridRecipe addMaterial(char key, Ingredient value) {
+		materialKeys.put(key, value);
+		return this;
+	}
+	
+	public GridRecipe setOutputCount(int count) {
+		this.count = count;
+		return this;
+	}
+	
+	private NonNullList<Ingredient> getMaterials(int width, int height) {
+		NonNullList<Ingredient> materials = NonNullList.withSize(width * height, Ingredient.EMPTY);
+		int pos = 0;
+		for (String line: shape) {
+			for (int i = 0; i < width; i++) {
+				char c = line.charAt(i);
+				Ingredient material = materialKeys.get(c);
+				materials.set(pos ++, material == null ? Ingredient.EMPTY : material);
+			}
+		}
+		return materials;
+	}
+	
+	public void build() {
+		if (exist) {
+			int height = shape.length;
+			int width = shape[0].length();
+			ItemStack result = new ItemStack(output, count);
+			NonNullList<Ingredient> materials = this.getMaterials(width, height);
+			
+			CraftingRecipe recipe = shaped ? new ShapedRecipe(id, group, width, height, materials, result) : new ShapelessRecipe(id, group, result, materials);
+			BCLRecipeManager.addRecipe(type, recipe);
+		} else {
+			BCLib.LOGGER.debug("Recipe {} couldn't be added", id);
+		}
+	}
+}