Optimize ingredient positions index lookups

Closes CyclopsMC/IntegratedTunnels#307

src/main/java/org/cyclops/integrateddynamics/core/network/IngredientPositionsIndex.java

@@ -3,6 +3,7 @@
 import it.unimi.dsi.fastutil.ints.AbstractInt2ObjectSortedMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectAVLTreeMap;
 import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
+import org.cyclops.commoncapabilities.api.ingredient.IIngredientMatcher;
 import org.cyclops.commoncapabilities.api.ingredient.IngredientComponent;
 import org.cyclops.cyclopscore.datastructure.MultitransformIterator;
 import org.cyclops.cyclopscore.ingredient.collection.IIngredientCollapsedCollectionMutable;
@@ -54,9 +55,18 @@ public Iterator<PartPos> getNonEmptyPositions() {
 
     @Override
     public Iterator<PartPos> getPositions(T instance, M matchFlags) {
+        // Since we store ingredients by prototype in ingredientCollection,
+        // we can make the match flags more precise,
+        // and possibly improve performance of the lookup operation.
+        IIngredientMatcher<T, M> matcher = getComponent().getMatcher();
+        if (matcher.getExactMatchNoQuantityCondition().equals(matchFlags)) {
+            matchFlags = matcher.getExactMatchCondition();
+        }
+        M finalMatchFlags = matchFlags;
+
         return this.prioritizedPositionsMap.values()
                 .stream()
-                .flatMap(ingredientCollection -> ingredientCollection.getAll(getPrototype(instance), matchFlags).stream())
+                .flatMap(ingredientCollection -> ingredientCollection.getAll(getPrototype(instance), finalMatchFlags).stream())
                 .flatMap(Collection::stream)
                 .distinct()
                 .iterator();