Fix laser engraver recipemap comparator (#2924)

* Fix laser engraver comparator

* debug: use no custom comparator for laser map (do not merge this commit)

* Revert "debug: use no custom comparator for laser map (do not merge this commit)"

This reverts commit ffc66689f301294f1c4d210a2928ec9a367d4961.

---------

Co-authored-by: Martin Robertz <dream-master@gmx.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/purification/PurifiedWaterHelpers.java b/src/main/java/gregtech/common/tileentities/machines/multi/purification/PurifiedWaterHelpers.java
index ec25cc394e..ab397aac94 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/purification/PurifiedWaterHelpers.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/purification/PurifiedWaterHelpers.java
@@ -3,6 +3,7 @@ package gregtech.common.tileentities.machines.multi.purification;
 import net.minecraftforge.fluids.FluidStack;
 
 import gregtech.api.enums.Materials;
+import gregtech.api.util.GT_Recipe;
 
 public class PurifiedWaterHelpers {
 
@@ -32,4 +33,10 @@ public class PurifiedWaterHelpers {
         else if (fluid.isFluidEqual(Materials.Grade8PurifiedWater.getFluid(1000L))) return 8;
         else return 0;
     }
+
+    // Used to construct NEI comparator for water tier. Returns 0 if no water is used in this recipe
+    public static int getWaterTierFromRecipe(GT_Recipe recipe) {
+        if (recipe.mFluidInputs.length == 0) return 0;
+        else return getWaterTier(recipe.mFluidInputs[0]);
+    }
 }