From 003d99a085c0e202af84c4fb658b4b6dbda63f38 Mon Sep 17 00:00:00 2001
From: XiaoMoMi <972454774@qq.com>
Date: Fri, 17 Oct 2025 05:56:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=8F=AF=E9=80=89=E7=9A=84fa?=
 =?UTF-8?q?llback?=
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---
 .../recipe/remainder/RecipeBasedCraftRemainder.java    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/core/src/main/java/net/momirealms/craftengine/core/item/recipe/remainder/RecipeBasedCraftRemainder.java b/core/src/main/java/net/momirealms/craftengine/core/item/recipe/remainder/RecipeBasedCraftRemainder.java
index d906baee0..afe0b8e17 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/item/recipe/remainder/RecipeBasedCraftRemainder.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/item/recipe/remainder/RecipeBasedCraftRemainder.java
@@ -4,6 +4,7 @@ import net.momirealms.craftengine.core.item.Item;
 import net.momirealms.craftengine.core.util.Key;
 import net.momirealms.craftengine.core.util.MiscUtils;
 import net.momirealms.craftengine.core.util.ResourceConfigUtils;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.HashMap;
 import java.util.List;
@@ -12,9 +13,12 @@ import java.util.Map;
 public class RecipeBasedCraftRemainder implements CraftRemainder {
     public static final Factory FACTORY = new Factory();
     private final Map<Key, CraftRemainder> remainders;
+    @Nullable
+    private final CraftRemainder fallback;
 
-    public RecipeBasedCraftRemainder(Map<Key, CraftRemainder> remainders) {
+    public RecipeBasedCraftRemainder(Map<Key, CraftRemainder> remainders, @Nullable CraftRemainder fallback) {
         this.remainders = remainders;
+        this.fallback = fallback;
     }
 
     @Override
@@ -23,7 +27,7 @@ public class RecipeBasedCraftRemainder implements CraftRemainder {
         if (remainder != null) {
             return remainder.remainder(recipeId, item);
         }
-        return null;
+        return this.fallback != null ? this.fallback.remainder(recipeId, item) : null;
     }
 
     public static class Factory implements CraftRemainderFactory {
@@ -41,7 +45,7 @@ public class RecipeBasedCraftRemainder implements CraftRemainder {
                     remainders.put(recipeId, remainder.remainder());
                 }
             }
-            return new RecipeBasedCraftRemainder(remainders);
+            return new RecipeBasedCraftRemainder(remainders, CraftRemainders.fromObject(args.get("fallback")));
         }
 
         public record GroupedRemainder(List<Key> recipes, CraftRemainder remainder) {