3 files changed, 45 insertions, 3 deletions
diff --git a/src/Java/gtPlusPlus/core/slots/SlotAirFilter.java b/src/Java/gtPlusPlus/core/slots/SlotAirFilter.java
new file mode 100644
index 0000000000..92e9bebe21
--- /dev/null
+++ b/src/Java/gtPlusPlus/core/slots/SlotAirFilter.java
@@ -0,0 +1,30 @@
+package gtPlusPlus.core.slots;
+
+import gtPlusPlus.core.item.general.ItemAirFilter;
+import net.minecraft.inventory.IInventory;
+import net.minecraft.inventory.Slot;
+import net.minecraft.item.ItemStack;
+
+public class SlotAirFilter extends Slot {
+
+	public SlotAirFilter(final IInventory inventory, final int slot, final int x, final int y) {
+		super(inventory, slot, x, y);
+	}
+
+	@Override
+	public boolean isItemValid(final ItemStack itemstack) {
+		if (itemstack == null) {
+			return false;
+		}		
+		if (itemstack.getItem() instanceof ItemAirFilter){
+			return true;			
+		}		
+		return false;
+	}
+
+	@Override
+	public int getSlotStackLimit() {
+		return 1;
+	}
+
+}
diff --git a/src/Java/gtPlusPlus/core/util/math/MathUtils.java b/src/Java/gtPlusPlus/core/util/math/MathUtils.java
index 3cef3c511f..bda722b47e 100644
--- a/src/Java/gtPlusPlus/core/util/math/MathUtils.java
+++ b/src/Java/gtPlusPlus/core/util/math/MathUtils.java
@@ -7,6 +7,7 @@ import gregtech.api.enums.GT_Values;
 
 import gtPlusPlus.api.objects.Logger;
 import gtPlusPlus.api.objects.data.AutoMap;
+import gtPlusPlus.api.objects.data.Pair;
 import gtPlusPlus.core.lib.CORE;
 import gtPlusPlus.core.util.Utils;
 
@@ -227,7 +228,7 @@ public class MathUtils {
 	 * @param x Value A.
 	 * @return boolean Whether or not it divides evenly.
 	 */
-	public static boolean isNumberEven(final int x){
+	public static boolean isNumberEven(final long x){
 		if ((x % 2) == 0)
 		{
 			return true;
@@ -696,5 +697,11 @@ public class MathUtils {
 		int aAmount = Math.max(Math.min(i, aMax), aMin);
 		return aAmount;
 	}
+	
+	public static Pair<Integer, Integer> splitLongIntoIntegers(long aLong){
+		int aIntMaxInLong = (int) Math.min(Integer.MAX_VALUE, Math.floor(aLong/Integer.MAX_VALUE));
+		int aRemainder = (int) (aLong - (aIntMaxInLong * Integer.MAX_VALUE));
+		return new Pair<Integer, Integer>(aIntMaxInLong, aRemainder);		
+	}
 
 }
diff --git a/src/Java/gtPlusPlus/core/util/reflect/ReflectionUtils.java b/src/Java/gtPlusPlus/core/util/reflect/ReflectionUtils.java
index c86d6ccb83..224d842ba7 100644
--- a/src/Java/gtPlusPlus/core/util/reflect/ReflectionUtils.java
+++ b/src/Java/gtPlusPlus/core/util/reflect/ReflectionUtils.java
@@ -318,9 +318,14 @@ public class ReflectionUtils {
 	/**
 	 * Allows to change the state of an immutable instance. Huh?!?
 	 */
-	public static void setFinalFieldValue(Class<?> clazz,  String fieldName, Object newValue) throws Exception {
+	public static void setFinalFieldValue(Class<?> clazz,  String fieldName, Object newValue) {
 		Field nameField = getField(clazz, fieldName);
-		setFieldValue_Internal(clazz, nameField, newValue);
+		try {
+			setFieldValue_Internal(clazz, nameField, newValue);
+		}
+		catch (Throwable t) {
+			t.printStackTrace();
+		}
 	}
 
 	@Deprecated