fix looping item count and hopefully energy issues

src/main/java/appeng/me/helpers/GenericInterestManager.java

@@ -23,11 +23,10 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
-import appeng.api.config.FuzzyMode;
-import appeng.api.storage.data.IAEStack;
-import appeng.util.item.AEItemStack;
 import com.google.common.collect.Multimap;
 
+import appeng.api.storage.data.IAEStack;
+
 
 public class GenericInterestManager<T>
 {
@@ -102,30 +101,12 @@ public class GenericInterestManager<T>
 
 	public boolean containsKey( final IAEStack stack )
 	{
-		if( stack.isItem() && ( ( AEItemStack ) stack ).getItem().isDamageable() )
-		{
-			return this.container.keySet().stream().filter( s -> s.isItem() )
-					.anyMatch( s -> s.fuzzyComparison( stack, FuzzyMode.IGNORE_ALL ) );
-		}
 		return this.container.containsKey( stack );
 	}
 
 	public Collection<T> get( final IAEStack stack )
 	{
-		Collection<T> watchers = new ArrayList<>();
-		if( stack.isItem() && ( ( AEItemStack ) stack ).getItem().isDamageable() )
-		{
-			this.container.keySet().stream().filter( s -> s.isItem() )
-					.filter( k -> k.fuzzyComparison( stack, FuzzyMode.IGNORE_ALL ) )
-					.forEach( key ->
-							watchers.addAll( this.container.get( key ) )
-					);
-		}
-		else
-		{
-			return this.container.get( stack );
-		}
-		return watchers;
+		return this.container.get( stack );
 	}
 
 	private class SavedTransactions
@@ -142,4 +123,4 @@ public class GenericInterestManager<T>
 			this.iw = watcher;
 		}
 	}
-}
+}

src/main/java/appeng/me/helpers/MachineSource.java

@@ -19,6 +19,7 @@
 package appeng.me.helpers;
 
 
+import java.util.Objects;
 import java.util.Optional;
 
 import net.minecraft.entity.player.EntityPlayer;
@@ -55,4 +56,24 @@ public class MachineSource implements IActionSource
 		return Optional.empty();
 	}
 
+	@Override
+	public boolean equals( Object o )
+	{
+		if( this == o )
+		{
+			return true;
+		}
+		if( o == null || getClass() != o.getClass() )
+		{
+			return false;
+		}
+		MachineSource that = (MachineSource) o;
+		return via.equals( that.via );
+	}
+
+	@Override
+	public int hashCode()
+	{
+		return Objects.hash( via );
+	}
 }