What's inside?

- Blueprint crafting overlay now attempts to show a list of items matching an ingredient filter in the respective slot
- Fixed JEI prematurely transferring the blueprint recipe when viewed

src/main/java/com/simibubi/create/compat/jei/BlueprintTransferHandler.java

@@ -22,6 +22,8 @@ public class BlueprintTransferHandler implements IRecipeTransferHandler<Blueprin
 		PlayerEntity player, boolean maxTransfer, boolean doTransfer) {
 		if (!(recipe instanceof IRecipe))
 			return null;
+		if (!doTransfer)
+			return null;
 		IRecipe<?> iRecipe = (IRecipe<?>) recipe;
 		// Continued server-side in BlueprintItem.assignCompleteRecipe()
 		AllPackets.channel.sendToServer(new BlueprintAssignCompleteRecipePacket(iRecipe.getId()));

src/main/java/com/simibubi/create/content/curiosities/tools/BlueprintOverlayRenderer.java

@@ -2,15 +2,19 @@ package com.simibubi.create.content.curiosities.tools;
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.IdentityHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
 import com.mojang.blaze3d.matrix.MatrixStack;
 import com.mojang.blaze3d.systems.RenderSystem;
+import com.simibubi.create.AllItems;
 import com.simibubi.create.content.curiosities.tools.BlueprintEntity.BlueprintCraftingInventory;
 import com.simibubi.create.content.curiosities.tools.BlueprintEntity.BlueprintSection;
+import com.simibubi.create.content.logistics.item.filter.AttributeFilterContainer.WhitelistMode;
 import com.simibubi.create.content.logistics.item.filter.FilterItem;
+import com.simibubi.create.content.logistics.item.filter.ItemAttribute;
 import com.simibubi.create.foundation.gui.AllGuiTextures;
 import com.simibubi.create.foundation.gui.GuiGameElement;
 import com.simibubi.create.foundation.utility.AnimationTickHolder;
@@ -19,14 +23,21 @@ import com.simibubi.create.foundation.utility.Pair;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.IRenderTypeBuffer;
 import net.minecraft.inventory.CraftingInventory;
+import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
 import net.minecraft.item.crafting.ICraftingRecipe;
 import net.minecraft.item.crafting.IRecipeType;
+import net.minecraft.item.crafting.Ingredient;
+import net.minecraft.nbt.CompoundNBT;
+import net.minecraft.nbt.ListNBT;
+import net.minecraft.tags.ITag;
+import net.minecraft.tags.TagCollectionManager;
 import net.minecraft.util.math.EntityRayTraceResult;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.RayTraceResult.Type;
 import net.minecraft.util.text.TextFormatting;
+import net.minecraftforge.common.util.Constants.NBT;
 import net.minecraftforge.items.ItemHandlerHelper;
 import net.minecraftforge.items.ItemStackHandler;
 
@@ -37,6 +48,7 @@ public class BlueprintOverlayRenderer {
 	static boolean lastSneakState;
 	static BlueprintSection lastTargetedSection;
 
+	static Map<ItemStack, ItemStack[]> cachedRenderedFilters = new IdentityHashMap<>();
 	static List<Pair<ItemStack, Boolean>> ingredients = new ArrayList<>();
 	static ItemStack result = ItemStack.EMPTY;
 	static boolean resultCraftable = false;
@@ -72,6 +84,7 @@ public class BlueprintOverlayRenderer {
 	}
 
 	public static void rebuild(BlueprintSection sectionAt, boolean sneak) {
+		cachedRenderedFilters.clear();
 		ItemStackHandler items = sectionAt.getItems();
 		boolean empty = true;
 		for (int i = 0; i < 9; i++) {
@@ -206,13 +219,9 @@ public class BlueprintOverlayRenderer {
 			RenderSystem.enableBlend();
 			(pair.getSecond() ? AllGuiTextures.HOTSLOT_ACTIVE : AllGuiTextures.HOTSLOT).draw(ms, x, y);
 			ItemStack itemStack = pair.getFirst();
-			GuiGameElement.of(itemStack)
+			String count = pair.getSecond() || itemStack.getCount() == 1 ? null
-				.at(x + 3, y + 3)
+				: TextFormatting.GOLD.toString() + itemStack.getCount();
-				.render(ms);
+			drawItemStack(ms, mc, x, y, itemStack, count);
-			mc.getItemRenderer()
-				.renderItemOverlayIntoGUI(mc.fontRenderer, itemStack, x + 3, y + 3,
-					pair.getSecond() || itemStack.getCount() == 1 ? null
-						: TextFormatting.GOLD.toString() + itemStack.getCount());
 			x += 21;
 		}
 
@@ -229,12 +238,59 @@ public class BlueprintOverlayRenderer {
 		} else {
 			(resultCraftable ? AllGuiTextures.HOTSLOT_SUPER_ACTIVE : AllGuiTextures.HOTSLOT).draw(ms,
 				resultCraftable ? x - 1 : x, resultCraftable ? y - 1 : y);
-			GuiGameElement.of(result)
+			drawItemStack(ms, mc, x, y, result, null);
-				.at(x + 3, y + 3)
-				.render(ms);
-			mc.getItemRenderer()
-				.renderItemOverlayIntoGUI(mc.fontRenderer, result, x + 3, y + 3, null);
 		}
 	}
 
+	public static void drawItemStack(MatrixStack ms, Minecraft mc, int x, int y, ItemStack itemStack, String count) {
+		if (itemStack.getItem() instanceof FilterItem) {
+			int step = AnimationTickHolder.getTicks(mc.world) / 10;
+			ItemStack[] itemsMatchingFilter = getItemsMatchingFilter(itemStack);
+			if (itemsMatchingFilter.length > 0) 
+				itemStack = itemsMatchingFilter[step % itemsMatchingFilter.length];
+		}
+
+		GuiGameElement.of(itemStack)
+			.at(x + 3, y + 3)
+			.render(ms);
+		mc.getItemRenderer()
+			.renderItemOverlayIntoGUI(mc.fontRenderer, itemStack, x + 3, y + 3, count);
+	}
+
+	private static ItemStack[] getItemsMatchingFilter(ItemStack filter) {
+		return cachedRenderedFilters.computeIfAbsent(filter, itemStack -> {
+			CompoundNBT tag = itemStack.getOrCreateTag();
+
+			if (AllItems.FILTER.isIn(itemStack) && !tag.getBoolean("Blacklist")) {
+				ItemStackHandler filterItems = FilterItem.getFilterItems(itemStack);
+				List<ItemStack> list = new ArrayList<>();
+				for (int slot = 0; slot < filterItems.getSlots(); slot++) {
+					ItemStack stackInSlot = filterItems.getStackInSlot(slot);
+					if (!stackInSlot.isEmpty())
+						list.add(stackInSlot);
+				}
+				return list.toArray(new ItemStack[list.size()]);
+			}
+
+			if (AllItems.ATTRIBUTE_FILTER.isIn(itemStack)) {
+				WhitelistMode whitelistMode = WhitelistMode.values()[tag.getInt("WhitelistMode")];
+				ListNBT attributes = tag.getList("MatchedAttributes", NBT.TAG_COMPOUND);
+				if (whitelistMode == WhitelistMode.WHITELIST_DISJ && attributes.size() == 1) {
+					ItemAttribute fromNBT = ItemAttribute.fromNBT((CompoundNBT) attributes.get(0));
+					if (fromNBT instanceof ItemAttribute.InTag) {
+						ItemAttribute.InTag inTag = (ItemAttribute.InTag) fromNBT;
+						ITag<Item> itag = TagCollectionManager.getTagManager()
+							.getItems()
+							.get(inTag.tagName);
+						if (itag != null)
+							return Ingredient.fromTag(itag)
+								.getMatchingStacks();
+					}
+				}
+			}
+
+			return new ItemStack[0];
+		});
+	}
+
 }

src/main/java/com/simibubi/create/content/logistics/item/filter/ItemAttribute.java

@@ -222,7 +222,7 @@ public interface ItemAttribute {
 
 	public static class InTag implements ItemAttribute {
 
-		ResourceLocation tagName;
+		public ResourceLocation tagName;
 
 		public InTag(ResourceLocation tagName) {
 			this.tagName = tagName;