Fix recipe cache with LPF (#723)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main/java/gtPlusPlus/xmod/gregtech/common/tileentities/machines/multi/processing/GregtechMetaTileEntity_IndustrialMultiMachine.java b/src/main/java/gtPlusPlus/xmod/gregtech/common/tileentities/machines/multi/processing/GregtechMetaTileEntity_IndustrialMultiMachine.java
index 4220958a6f..075adc065f 100644
--- a/src/main/java/gtPlusPlus/xmod/gregtech/common/tileentities/machines/multi/processing/GregtechMetaTileEntity_IndustrialMultiMachine.java
+++ b/src/main/java/gtPlusPlus/xmod/gregtech/common/tileentities/machines/multi/processing/GregtechMetaTileEntity_IndustrialMultiMachine.java
@@ -263,6 +263,8 @@ public class GregtechMetaTileEntity_IndustrialMultiMachine extends
     protected ProcessingLogic createProcessingLogic() {
         return new ProcessingLogic() {
 
+            private ItemStack lastCircuit = null;
+
             @NotNull
             @Override
             protected FindRecipeResult findRecipe(GT_Recipe.GT_Recipe_Map map) {
@@ -270,6 +272,10 @@ public class GregtechMetaTileEntity_IndustrialMultiMachine extends
                 if (circuit == null) {
                     return FindRecipeResult.NOT_FOUND;
                 }
+                if (!GT_Utility.areStacksEqual(circuit, lastCircuit)) {
+                    lastRecipe = null;
+                    lastCircuit = circuit;
+                }
                 GT_Recipe.GT_Recipe_Map foundMap = getRecipeMap(getCircuitID(circuit));
                 if (foundMap == null) {
                     return FindRecipeResult.NOT_FOUND;