prevent client side code being called server side (#3575)

1 files changed, 7 insertions, 2 deletions

diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/purification/MTEPurificationPlant.java b/src/main/java/gregtech/common/tileentities/machines/multi/purification/MTEPurificationPlant.java
index a3b89adcf6..e3bbfe60d2 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/purification/MTEPurificationPlant.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/purification/MTEPurificationPlant.java
@@ -49,6 +49,7 @@ import com.gtnewhorizons.modularui.api.math.Size;
 import com.gtnewhorizons.modularui.api.screen.ModularWindow;
 import com.gtnewhorizons.modularui.api.screen.UIBuildContext;
 import com.gtnewhorizons.modularui.api.widget.Widget;
+import com.gtnewhorizons.modularui.common.internal.network.NetworkUtils;
 import com.gtnewhorizons.modularui.common.widget.ButtonWidget;
 import com.gtnewhorizons.modularui.common.widget.DynamicPositionedColumn;
 import com.gtnewhorizons.modularui.common.widget.DynamicPositionedRow;
@@ -690,7 +691,11 @@ public class MTEPurificationPlant extends MTEExtendedPowerMultiBlockBase<MTEPuri
             .getLocalName();
 
         String statusString = name + "  " + unit.getStatusString();
-        final FontRenderer fontRenderer = Minecraft.getMinecraft().fontRenderer;
+        int widgetWidth = 0;
+        if (NetworkUtils.isClient()) {
+            final FontRenderer fontRenderer = Minecraft.getMinecraft().fontRenderer;
+            widgetWidth = fontRenderer.getStringWidth(statusString) + 25;
+        }
 
         row.widget(
             TextWidget.dynamicString(() -> statusString)
@@ -703,7 +708,7 @@ public class MTEPurificationPlant extends MTEExtendedPowerMultiBlockBase<MTEPuri
                 unit.metaTileEntity()
                     .makeSyncerWidgets())
             .widget(new FakeSyncWidget.BooleanSyncer(unit::isActive, unit::setActive))
-            .setSize(fontRenderer.getStringWidth(statusString) + 25, 20);
+            .setSize(widgetWidth, 20);
 
         return row;
     }