added recipe_data() and crafting_remaining_item() - for convenient crafting scripts.

src/main/java/carpet/mixins/Ingredient_scarpetMixin.java

@@ -0,0 +1,26 @@
+package carpet.mixins;
+
+import carpet.fakes.IngredientInterface;
+import net.minecraft.item.ItemStack;
+import net.minecraft.recipe.Ingredient;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Mixin(Ingredient.class)
+public class Ingredient_scarpetMixin implements IngredientInterface
+{
+    @Shadow @Final private Ingredient.Entry[] entries;
+
+    @Override
+    public List<Collection<ItemStack>> getRecipeStacks()
+    {
+        List<Collection<ItemStack>> res = Arrays.stream(entries).map(Ingredient.Entry::getStacks).collect(Collectors.toList());
+        return res;
+    }
+}