2 files changed, 47 insertions, 1 deletions
diff --git a/src/main/java/net/glease/ggfab/mte/MTE_AdvAssLine.java b/src/main/java/net/glease/ggfab/mte/MTE_AdvAssLine.java
index 851f9ba59c..4c8f7a7946 100644
--- a/src/main/java/net/glease/ggfab/mte/MTE_AdvAssLine.java
+++ b/src/main/java/net/glease/ggfab/mte/MTE_AdvAssLine.java
@@ -17,6 +17,7 @@ import gregtech.api.util.*;
 import mcp.mobius.waila.api.IWailaConfigHandler;
 import mcp.mobius.waila.api.IWailaDataAccessor;
 import net.glease.ggfab.GGConstants;
+import net.glease.ggfab.util.LaserHelper;
 import net.glease.ggfab.util.OverclockHelper;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.entity.player.EntityPlayerMP;
@@ -383,7 +384,7 @@ public class MTE_AdvAssLine extends GT_MetaTileEntity_ExtendedPowerMultiBlockBas
     private void recordEnergySupplier(GT_MetaTileEntity_Hatch hatch) {
         if (!isValidMetaTileEntity(hatch))
             return;
-        inputEUt += hatch.maxEUInput() * hatch.maxAmperesIn();
+        inputEUt += hatch.maxEUInput() * LaserHelper.getAmperes(hatch);
         inputVoltage = Math.min(inputVoltage, hatch.maxEUInput());
         if (inputEUt < 0)
             // I'd prefer bullying colen than use bigint
diff --git a/src/main/java/net/glease/ggfab/util/LaserHelper.java b/src/main/java/net/glease/ggfab/util/LaserHelper.java
new file mode 100644
index 0000000000..53bf328eb7
--- /dev/null
+++ b/src/main/java/net/glease/ggfab/util/LaserHelper.java
@@ -0,0 +1,45 @@
+package net.glease.ggfab.util;
+
+import gregtech.api.metatileentity.implementations.GT_MetaTileEntity_Hatch;
+
+import java.lang.reflect.Field;
+
+public class LaserHelper {
+    private static final Class<?> GT_MetaTileEntity_Hatch_EnergyMulti;
+    private static final Field fieldAmperes;
+
+    static {
+        Class<?> tmp1;
+        Field tmp2;
+        try {
+            tmp1 = Class.forName("com.github.technus.tectech.thing.metaTileEntity.hatch.GT_MetaTileEntity_Hatch_EnergyMulti");
+        } catch (ClassNotFoundException e) {
+            tmp1 = null;
+        }
+        if (tmp1 != null) {
+            try {
+                tmp2 = tmp1.getField("Amperes");
+                tmp2.setAccessible(true);
+            } catch (ReflectiveOperationException e) {
+                tmp1 = null;
+                tmp2 = null;
+            }
+        } else {
+            tmp2 = null;
+        }
+        GT_MetaTileEntity_Hatch_EnergyMulti = tmp1;
+        fieldAmperes = tmp2;
+    }
+
+    public static long getAmperes(GT_MetaTileEntity_Hatch hatch) {
+        if (GT_MetaTileEntity_Hatch_EnergyMulti.isInstance(hatch)) {
+            try {
+                // target field is int, not long
+                return (int) fieldAmperes.get(hatch);
+            } catch (IllegalAccessException e) {
+                throw new RuntimeException(e);
+            }
+        }
+        return hatch.maxAmperesIn();
+    }
+}