API Synced with Grinder canges.

core/features/registries/GrinderRecipeManager.java

@@ -96,6 +96,20 @@ public class GrinderRecipeManager implements IGrinderRegistry, IOreListener
 		injectRecipe( new AppEngGrinderRecipe( copy( in ), copy( out ), copy( optional ), chance, cost ) );
 	}
 
+	@Override
+	public void addRecipe(ItemStack in, ItemStack out, ItemStack optional, float chance, ItemStack optional2, float chance2, int cost)
+	{
+		if ( in == null || (optional == null && out == null && optional2 == null) )
+		{
+			log( "Invalid Grinder Recipe Specified." );
+			return;
+		}
+
+		log( "Allow Grinding of " + Platform.getItemDisplayName( in ) + " to " + Platform.getItemDisplayName( out ) + " with optional "
+				+ Platform.getItemDisplayName( optional ) + " for " + cost );
+		injectRecipe( new AppEngGrinderRecipe( copy( in ), copy( out ), copy( optional ), chance, cost ) );
+	}
+
 	@Override
 	public IGrinderEntry getRecipeForInput(ItemStack input)
 	{

core/features/registries/entries/AppEngGrinderRecipe.java

@@ -12,6 +12,9 @@ public class AppEngGrinderRecipe implements IGrinderEntry
 	private float optionalChance;
 	private ItemStack optionalOutput;
 
+	private float optionalChance2;
+	private ItemStack optionalOutput2;
+
 	private int energy;
 
 	public AppEngGrinderRecipe(ItemStack a, ItemStack b, int cost) {
@@ -30,6 +33,19 @@ public class AppEngGrinderRecipe implements IGrinderEntry
 		energy = cost;
 	}
 
+	public AppEngGrinderRecipe(ItemStack a, ItemStack b, ItemStack c, ItemStack d, float chance, float chance2, int cost) {
+		in = a;
+		out = b;
+
+		optionalOutput = c;
+		optionalChance = chance;
+
+		optionalOutput2 = d;
+		optionalChance2 = chance2;
+
+		energy = cost;
+	}
+
 	@Override
 	public ItemStack getInput()
 	{
@@ -75,7 +91,7 @@ public class AppEngGrinderRecipe implements IGrinderEntry
 	@Override
 	public void setOptionalOutput(ItemStack output, float chance)
 	{
-		optionalOutput = output;
+		optionalOutput = output.copy();
 		optionalChance = chance;
 	}
 
@@ -85,4 +101,23 @@ public class AppEngGrinderRecipe implements IGrinderEntry
 		return optionalChance;
 	}
 
+	@Override
+	public ItemStack getSecondOptionalOutput()
+	{
+		return optionalOutput2;
+	}
+
+	@Override
+	public void setSecondOptionalOutput(ItemStack output, float chance)
+	{
+		optionalChance2 = chance;
+		optionalOutput2 = output.copy();
+	}
+
+	@Override
+	public float getSecondOptionalChance()
+	{
+		return optionalChance2;
+	}
+
 }

tile/grindstone/TileGrinder.java

@@ -144,6 +144,10 @@ public class TileGrinder extends AEBaseInvTile implements ICrankable
 			if ( chance <= r.getOptionalChance() )
 				addItem( sia, r.getOptionalOutput() );
 
+			chance = (Platform.getRandomInt() % 2000) / 2000.0f;
+			if ( chance <= r.getSecondOptionalChance() )
+				addItem( sia, r.getSecondOptionalOutput() );
+
 			this.setInventorySlotContents( 6, null );
 		}
 	}