1 files changed, 45 insertions, 0 deletions
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();
+    }
+}