2 files changed, 27 insertions, 7 deletions
diff --git a/src/main/java/gregtech/api/util/GTRecipe.java b/src/main/java/gregtech/api/util/GTRecipe.java
index d27412d4ec..9f44b56c7a 100644
--- a/src/main/java/gregtech/api/util/GTRecipe.java
+++ b/src/main/java/gregtech/api/util/GTRecipe.java
@@ -374,6 +374,7 @@ public class GTRecipe implements Comparable<GTRecipe> {
             map.getBackend()
                 .reInit();
         }
+        RecipeAssemblyLine.reInit();
     }
 
     public ItemStack getRepresentativeInput(int aIndex) {
@@ -945,6 +946,8 @@ public class GTRecipe implements Comparable<GTRecipe> {
         public ItemStack[][] mOreDictAlt;
         private int mPersistentHash;
 
+        private final List<ItemStack> dataSticksForNEI = new ArrayList<>();
+
         /**
          * THIS CONSTRUCTOR DOES SET THE PERSISTENT HASH.
          * <p>
@@ -1102,6 +1105,28 @@ public class GTRecipe implements Comparable<GTRecipe> {
         }
 
         /**
+         * WARNING: this class will maintain a strong reference over ALL data sticks created this way. DO NOT call this
+         * methods recklessly as it will cause memory leak!
+         */
+        public ItemStack newDataStickForNEI(String aDisplayName) {
+            ItemStack dataStick = ItemList.Tool_DataStick.getWithName(1L, aDisplayName);
+            // we don't actually needs to set the recipe data here. no one will read the recipe data before a world load
+            // and before a world load id remap will happen and the recipe data will be finally set in the below
+            // reInit() method
+            // AssemblyLineUtils.setAssemblyLineRecipeOnDataStick(dataStick, this, false);
+            dataSticksForNEI.add(dataStick);
+            return dataStick;
+        }
+
+        public static void reInit() {
+            for (RecipeAssemblyLine recipe : sAssemblylineRecipes) {
+                for (ItemStack stack : recipe.dataSticksForNEI) {
+                    AssemblyLineUtils.setAssemblyLineRecipeOnDataStick(stack, recipe, false);
+                }
+            }
+        }
+
+        /**
          * @param inputBusses List of input busses to check.
          * @return An array containing the amount of item to consume from the first slot of every input bus.
          *         {@code null} if at least one item fails to match the recipe ingredient.
diff --git a/src/main/java/gregtech/api/util/GTRecipeConstants.java b/src/main/java/gregtech/api/util/GTRecipeConstants.java
index d1a9f2c60a..883f1060ac 100644
--- a/src/main/java/gregtech/api/util/GTRecipeConstants.java
+++ b/src/main/java/gregtech/api/util/GTRecipeConstants.java
@@ -16,7 +16,6 @@ import net.minecraftforge.fluids.FluidStack;
 
 import cpw.mods.fml.common.registry.GameRegistry;
 import gregtech.api.enums.GTValues;
-import gregtech.api.enums.ItemList;
 import gregtech.api.enums.Materials;
 import gregtech.api.enums.OrePrefixes;
 import gregtech.api.enums.TierEU;
@@ -508,14 +507,12 @@ public class GTRecipeConstants {
         GTRecipe.RecipeAssemblyLine.sAssemblylineRecipes.add(tRecipe);
         AssemblyLineUtils.addRecipeToCache(tRecipe);
 
-        ItemStack writesDataStick = ItemList.Tool_DataStick.getWithName(1L, "Writes Research result");
-        AssemblyLineUtils.setAssemblyLineRecipeOnDataStick(writesDataStick, tRecipe, false);
         Collection<GTRecipe> ret = new ArrayList<>(3);
         ret.addAll(
             GTValues.RA.stdBuilder()
                 .itemInputs(aResearchItem)
                 .itemOutputs(aOutput)
-                .special(writesDataStick)
+                .special(tRecipe.newDataStickForNEI("Writes Research result"))
                 .duration(aResearchTime)
                 .eut(TierEU.RECIPE_LV)
                 .specialValue(-201) // means it's scanned
@@ -524,14 +521,12 @@ public class GTRecipeConstants {
                 .fake()
                 .addTo(scannerFakeRecipes));
 
-        ItemStack readsDataStick = ItemList.Tool_DataStick.getWithName(1L, "Reads Research result");
-        AssemblyLineUtils.setAssemblyLineRecipeOnDataStick(readsDataStick, tRecipe, false);
         ret.add(
             RecipeMaps.assemblylineVisualRecipes.addFakeRecipe(
                 false,
                 r.mInputs,
                 new ItemStack[] { aOutput },
-                new ItemStack[] { readsDataStick },
+                new ItemStack[] { tRecipe.newDataStickForNEI("Reads Research result") },
                 r.mFluidInputs,
                 null,
                 r.mDuration,