attempts to fix #42 and #43

src/main/java/appeng/me/cache/CraftingGridCache.java

@@ -30,22 +30,19 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
-import java.util.TreeSet;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.ThreadFactory;
 
+import appeng.api.storage.data.IAEFluidStack;
 import com.google.common.collect.HashMultimap;
 import com.google.common.collect.ImmutableCollection;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Multimap;
 
-import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
-import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
-import it.unimi.dsi.fastutil.objects.ObjectRBTreeSet;
-import it.unimi.dsi.fastutil.objects.ObjectSet;
+import it.unimi.dsi.fastutil.objects.*;
 import net.minecraft.world.World;
 
 import appeng.api.AEApi;
@@ -274,17 +271,13 @@ public class CraftingGridCache implements ICraftingGrid, ICraftingProviderHelper
 			return;
 		}
 
-		final Object2ObjectMap<IAEItemStack, ImmutableList<ICraftingPatternDetails>> oldItems = this.craftableItems;
+		final Object2ObjectMap<IAEItemStack, ImmutableList<ICraftingPatternDetails>> oldItems = new Object2ObjectOpenHashMap<>(this.craftableItems);
 
 		// erase list.
 		this.craftingMethods.clear();
 		this.craftableItems.clear();
 		this.emitableItems.clear();
 
-		// update the stuff that was in the list...
-		this.storageGrid.postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), oldItems.keySet(),
-				new BaseActionSource() );
-
 		// re-create list..
 		for( final ICraftingProvider provider : this.craftingProviders )
 		{
@@ -319,7 +312,23 @@ public class CraftingGridCache implements ICraftingGrid, ICraftingProviderHelper
 			this.craftableItems.put( e.getKey(), ImmutableList.copyOf( e.getValue() ) );
 		}
 
-		this.storageGrid.postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), this.craftableItems.keySet(),
+		Object2ObjectMap<IAEItemStack, ImmutableList<ICraftingPatternDetails>> craftablesChanged = new Object2ObjectArrayMap<>();
+
+		ObjectSet<Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>>> i = oldItems.entrySet();
+		for ( Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>> ais : i) {
+			if (!this.craftableItems.containsKey( ais.getKey() )) {
+				craftablesChanged.put( ais.getKey().setCraftable( false ), ais.getValue() );
+			}
+		}
+
+		ObjectSet<Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>>> j = this.craftableItems.entrySet();
+		for ( Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>> ais : j) {
+			if (!oldItems.containsKey( ais )){
+				craftablesChanged.put( ais.getKey().setCraftable( true ), ais.getValue() );
+			}
+		}
+
+		this.storageGrid.postCraftablesChanges( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), craftablesChanged.keySet(),
 				new BaseActionSource() );
 	}
 

src/main/java/appeng/me/cache/GridStorageCache.java

@@ -281,6 +281,12 @@ public class GridStorageCache implements IStorageGrid
 		this.storageMonitors.get( chan ).postChange( true, (Iterable) input, src );
 	}
 
+	@Override
+	public void postCraftablesChanges( IStorageChannel<?> chan, Iterable<? extends IAEStack<?>> input, IActionSource src )
+	{
+		this.storageMonitors.get( chan ).updateCraftables( (Iterable) input, src );
+	}
+
 	@Override
 	public void registerCellProvider( final ICellProvider provider )
 	{

src/main/java/appeng/me/cache/NetworkMonitor.java

@@ -217,6 +217,20 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 		}
 	}
 
+	protected void updateCraftables( Iterable<T> input, IActionSource src )
+	{
+		for( final T changedItem : input )
+		{
+			if (changedItem.isCraftable()) {
+				this.cachedList.add( changedItem.copy().setCraftable( true ) );
+			}
+			else
+			{
+				this.cachedList.findPrecise( changedItem ).setCraftable( false );
+			}
+		}
+	}
+
 	protected void postChange( final boolean add, final Iterable<T> changes, final IActionSource src )
 	{
 		if( GLOBAL_DEPTH.contains( this ) )