2 files changed, 11 insertions, 3 deletions
diff --git a/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceCategory.java b/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceCategory.java
index 67b73076c..e1c513bbf 100755
--- a/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceCategory.java
+++ b/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceCategory.java
@@ -1,6 +1,6 @@
 package me.shedaniel.plugin.furnace;
 
-import me.shedaniel.api.DisplayCategoryCraftable;
+import me.shedaniel.api.IDisplayCategoryCraftable;
 import me.shedaniel.gui.RecipeGui;
 import me.shedaniel.gui.widget.Control;
 import me.shedaniel.gui.widget.REISlot;
@@ -11,7 +11,6 @@ import net.minecraft.block.Blocks;
 import net.minecraft.block.entity.FurnaceBlockEntity;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.Gui;
-import net.minecraft.client.gui.container.BlastFurnaceGui;
 import net.minecraft.client.gui.container.FurnaceGui;
 import net.minecraft.client.resource.language.I18n;
 import net.minecraft.item.Item;
@@ -22,7 +21,7 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Collectors;
 
-public class VanillaFurnaceCategory implements DisplayCategoryCraftable<VanillaFurnaceRecipe> {
+public class VanillaFurnaceCategory implements IDisplayCategoryCraftable<VanillaFurnaceRecipe> {
     private List<VanillaFurnaceRecipe> recipes;
     
     @Override
diff --git a/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceRecipe.java b/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceRecipe.java
index c207c386a..77e8d20b5 100755
--- a/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceRecipe.java
+++ b/src/main/java/me/shedaniel/plugin/furnace/VanillaFurnaceRecipe.java
@@ -9,6 +9,7 @@ import net.minecraft.recipe.Recipe;
 import net.minecraft.recipe.smelting.SmeltingRecipe;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -44,6 +45,14 @@ public class VanillaFurnaceRecipe implements IRecipe<ItemStack> {
         return input;
     }
     
+    @Override
+    public List<List<ItemStack>> getRecipeRequiredInput() {
+        List<List<ItemStack>> input = new LinkedList<>();
+        for(Ingredient ingredient : recipe.getPreviewInputs())
+            Collections.addAll(input, new LinkedList<>(Arrays.asList(ingredient.getStackArray())));
+        return input;
+    }
+    
     public Recipe getRecipe() {
         return recipe;
     }