fix #156 by accessing ingredient getters instead of fields in serializer

src/main/java/com/possible_triangle/sliceanddice/mixins/ProcessingRecipeSerializerMixin.java

@@ -0,0 +1,32 @@
+package com.possible_triangle.sliceanddice.mixins;
+
+import com.simibubi.create.content.processing.recipe.ProcessingRecipe;
+import com.simibubi.create.content.processing.recipe.ProcessingRecipeSerializer;
+import com.simibubi.create.foundation.fluid.FluidIngredient;
+import net.minecraft.core.NonNullList;
+import net.minecraft.world.item.crafting.Ingredient;
+import org.objectweb.asm.Opcodes;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(value = ProcessingRecipeSerializer.class, remap = false)
+public class ProcessingRecipeSerializerMixin {
+
+    @Redirect(
+            method = "writeToBuffer",
+            at = @At(value = "FIELD", target = "Lcom/simibubi/create/content/processing/recipe/ProcessingRecipe;ingredients:Lnet/minecraft/core/NonNullList;", opcode = Opcodes.GETFIELD)
+    )
+    private NonNullList<Ingredient> useIngredientsGetter(ProcessingRecipe<?> instance) {
+        return instance.getIngredients();
+    }
+
+    @Redirect(
+            method = "writeToBuffer",
+            at = @At(value = "FIELD", target = "Lcom/simibubi/create/content/processing/recipe/ProcessingRecipe;fluidIngredients:Lnet/minecraft/core/NonNullList;", opcode = Opcodes.GETFIELD)
+    )
+    private NonNullList<FluidIngredient> useFluidIngredientsGetter(ProcessingRecipe<?> instance) {
+        return instance.getFluidIngredients();
+    }
+
+}

src/main/kotlin/com/possible_triangle/sliceanddice/compat/LazyMixingRecipe.kt

@@ -48,6 +48,7 @@ class LazyMixingRecipe(params: ProcessingRecipeParams) : MixingRecipe(params) {
         resolvedIngredients = super.ingredients.filterNot { replaceable.containsKey(it) }.toNonnullList()
         resolvedFluidIngredients = (super.fluidIngredients + replaceable.values).toNonnullList()
         resolved = true
+        emptyingRecipes = emptyList()
     }
 
     override fun getIngredients(): NonNullList<Ingredient> {

src/main/resources/sliceanddice.mixins.json

@@ -5,8 +5,8 @@
   "minVersion": "0.8",
   "refmap": "${mod_id}.refmap.json",
   "mixins": [
-    "EntityMixin", "HarvesterMovementBehaviourMixin", "LevelMixin", "PressingBehaviourMixin", "RecipeEventJSMixin",
-    "RecipeManagerAccessor", "RecipeManagerMixin"
+    "EntityMixin", "HarvesterMovementBehaviourMixin", "LevelMixin", "PressingBehaviourMixin",
+    "ProcessingRecipeSerializerMixin", "RecipeEventJSMixin", "RecipeManagerAccessor", "RecipeManagerMixin"
   ],
   "injectors": {
     "defaultRequire": 1