Fixes of recipes deserialization from JSON

src/main/java/ru/betterend/util/ItemUtil.java

@@ -0,0 +1,56 @@
+package ru.betterend.util;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import com.google.gson.JsonObject;
+
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.JsonHelper;
+import net.minecraft.util.registry.Registry;
+import ru.betterend.BetterEnd;
+
+public class ItemUtil {
+	
+	public static String toStackString(@NotNull ItemStack stack) {
+		try {
+			if (stack == null) {
+				throw new IllegalStateException("Stack can't be null!");
+			}
+			Item item = stack.getItem();
+			return Registry.ITEM.getId(item) + ":" + stack.getCount();
+		} catch (Exception ex) {
+			BetterEnd.LOGGER.catching(ex);
+		}
+		return "";
+	}
+	
+	@Nullable
+	public static ItemStack fromStackString(String stackString) {
+		String[] parts = stackString.split(":");
+		Identifier itemId = new Identifier(parts[0], parts[1]);
+		Item item = Registry.ITEM.getOrEmpty(itemId).orElse(null);
+		if (item == null) return null;
+		if (parts.length > 2) {
+			return new ItemStack(item, Integer.valueOf(parts[2]));
+		}
+		return new ItemStack(item);
+	}
+	
+	@Nullable
+	public static ItemStack fromJsonRecipe(JsonObject recipe) {
+		if (!recipe.has("item")) return null;
+		try {
+			Identifier itemId = new Identifier(JsonHelper.getString(recipe, "item"));
+			Item item = Registry.ITEM.getOrEmpty(itemId).orElse(null);
+			if (item == null) return null;
+			int count = JsonHelper.getInt(recipe, "count", 1);
+			return new ItemStack(item, count);
+		} catch (Exception ex) {
+			BetterEnd.LOGGER.catching(ex);
+		}
+		return null;
+	}
+}