Format Numbers, Make Mixin Client Only

src/main/java/com/nomiceu/nomilabs/mixin/gregtech/MetaTileEntityLargeBoilerClientMixin.java

@@ -0,0 +1,26 @@
+package com.nomiceu.nomilabs.mixin.gregtech;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import com.nomiceu.nomilabs.util.LabsTranslate;
+
+import gregtech.api.util.TextFormattingUtil;
+import gregtech.common.metatileentities.multi.MetaTileEntityLargeBoiler;
+
+/**
+ * Updates Tooltips for the 10x Fuel Efficiency Increase in {@link BoilerRecipeLogicMixin}.
+ */
+@Mixin(value = MetaTileEntityLargeBoiler.class, remap = false)
+public class MetaTileEntityLargeBoilerClientMixin {
+
+    @Redirect(method = "addInformation",
+              at = @At(value = "INVOKE",
+                       target = "Lnet/minecraft/client/resources/I18n;format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;",
+                       ordinal = 0,
+                       remap = true))
+    private String formatNew(String s, Object[] objects) {
+        return LabsTranslate.translate(s, TextFormattingUtil.formatNumbers((int) objects[0] * 10));
+    }
+}

src/main/resources/mixins.nomilabs.gregtech.json

@@ -20,7 +20,6 @@
     "MaterialRecipeHandlerMixin",
     "MaterialStackMixin",
     "MetaItemsMixin",
-    "MetaTileEntityLargeBoilerMixin",
     "MetaTileEntityMEStockingBusMixin",
     "MetaTileEntityMEStockingHatchMixin",
     "MetaTileEntityProcessingArrayMixin",
@@ -41,6 +40,8 @@
     "TileEntityPipeBaseMixin",
     "VirtualizedRecipeMapMixin"
   ],
-  "client": [],
+  "client": [
+    "MetaTileEntityLargeBoilerClientMixin"
+  ],
   "server": []
 }