Added a config option to disable the CraftingManager fallback. (#3415)

src/main/java/appeng/core/AEConfig.java

@@ -213,7 +213,9 @@ public final class AEConfig extends Configuration implements IConfigurableObject
 		{
 			if( feature.isVisible() )
 			{
-				if( this.get( "Features." + feature.category(), feature.key(), feature.isEnabled() ).getBoolean( feature.isEnabled() ) )
+				final Property option = this.get( "Features." + feature.category(), feature.key(), feature.isEnabled(), feature.comment() );
+
+				if( option.getBoolean( feature.isEnabled() ) )
 				{
 					this.featureFlags.add( feature );
 				}

src/main/java/appeng/core/features/AEFeature.java

@@ -155,6 +155,7 @@ public enum AEFeature
 	MOLECULAR_ASSEMBLER( "MolecularAssembler", Constants.CATEGORY_CRAFTING_FEATURES ),
 	PATTERNS( "Patterns", Constants.CATEGORY_CRAFTING_FEATURES ),
 	CRAFTING_CPU( "CraftingCPU", Constants.CATEGORY_CRAFTING_FEATURES ),
+	CRAFTING_MANAGER_FALLBACK( "CraftingManagerFallback", Constants.CATEGORY_CRAFTING_FEATURES, "Use CraftingManager to find an alternative recipe, after a pattern rejected an ingredient. Should be enabled to avoid issues, but can have a minor performance impact." ),
 
 	BASIC_CARDS( "BasicCards", Constants.CATEGORY_UPGRADES ),
 	ADVANCED_CARDS( "AdvancedCards", Constants.CATEGORY_UPGRADES ),
@@ -178,17 +179,29 @@ public enum AEFeature
 	private final String key;
 	private final String category;
 	private final boolean enabled;
+	private final String comment;
 
 	AEFeature( final String key, final String cat )
 	{
 		this( key, cat, true );
 	}
 
+	AEFeature( final String key, final String cat, final String comment )
+	{
+		this( key, cat, true, comment );
+	}
+
 	AEFeature( final String key, final String cat, final boolean enabled )
+	{
+		this( key, cat, enabled, null );
+	}
+
+	AEFeature( final String key, final String cat, final boolean enabled, final String comment )
 	{
 		this.key = key;
 		this.category = cat;
 		this.enabled = enabled;
+		this.comment = comment;
 	}
 
 	/**
@@ -216,6 +229,11 @@ public enum AEFeature
 		return this.enabled;
 	}
 
+	public String comment()
+	{
+		return this.comment;
+	}
+
 	private enum Constants
 	{
 		;

src/main/java/appeng/helpers/PatternHelper.java

@@ -41,7 +41,9 @@ import appeng.api.networking.crafting.ICraftingPatternDetails;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.container.ContainerNull;
+import appeng.core.AEConfig;
 import appeng.core.AELog;
+import appeng.core.features.AEFeature;
 import appeng.util.ItemSorters;
 import appeng.util.Platform;
 import appeng.util.item.AEItemStack;
@@ -267,7 +269,7 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 				return true;
 			}
 		}
-		else
+		else if( AEConfig.instance().isFeatureEnabled( AEFeature.CRAFTING_MANAGER_FALLBACK ) )
 		{
 			final ItemStack testOutput = CraftingManager.findMatchingResult( this.testFrame, w );