Custom Name Attributes

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

@@ -11,6 +11,7 @@ import java.util.stream.Collectors;
 
 import com.simibubi.create.content.logistics.item.filter.attribute.EnchantAttribute;
 import com.simibubi.create.content.logistics.item.filter.attribute.FluidContentsAttribute;
+import com.simibubi.create.content.logistics.item.filter.attribute.ItemNameAttribute;
 import net.minecraftforge.fluids.capability.CapabilityFluidHandler;
 import org.apache.commons.lang3.StringUtils;
 
@@ -48,6 +49,7 @@ public interface ItemAttribute {
 	static ItemAttribute inItemGroup = register(new InItemGroup(ItemGroup.MISC));
 	static ItemAttribute hasEnchant = register(new EnchantAttribute("dummy"));
 	static ItemAttribute hasFluid = register(new FluidContentsAttribute("dummy"));
+	static ItemAttribute hasName = register(new ItemNameAttribute("dummy"));
 	static ItemAttribute addedBy = register(new AddedBy("dummy"));
 
 	static ItemAttribute register(ItemAttribute attributeType) {
@@ -113,6 +115,7 @@ public interface ItemAttribute {
 		CONSUMABLE(ItemStack::isFood),
 		FLUID_CONTAINER(s -> s.getCapability(CapabilityFluidHandler.FLUID_HANDLER_ITEM_CAPABILITY).isPresent()),
 		ENCHANTED(ItemStack::isEnchanted),
+		RENAMED(ItemStack::hasDisplayName),
 		DAMAGED(ItemStack::isDamaged),
 		BADLY_DAMAGED(s -> s.isDamaged() && s.getDamage() / s.getMaxDamage() > 3 / 4f),
 		NOT_STACKABLE(Predicates.not(ItemStack::isStackable)),

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

@@ -0,0 +1,71 @@
+package com.simibubi.create.content.logistics.item.filter.attribute;
+
+import com.google.gson.JsonParseException;
+import com.simibubi.create.content.logistics.item.filter.ItemAttribute;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.CompoundNBT;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.text.ITextComponent;
+import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.util.text.TranslationTextComponent;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ItemNameAttribute implements ItemAttribute {
+    String itemName;
+
+    public ItemNameAttribute(String itemName) {
+        this.itemName = itemName;
+    }
+
+    @Override
+    public boolean appliesTo(ItemStack itemStack) {
+        return extractCustomName(itemStack).equals(itemName);
+    }
+
+    @Override
+    public List<ItemAttribute> listAttributesOf(ItemStack itemStack) {
+        String name = extractCustomName(itemStack);
+
+        List<ItemAttribute> atts = new ArrayList<>();
+        if(name.length() > 0) {
+            atts.add(new ItemNameAttribute(name));
+        }
+        return atts;
+    }
+
+    @Override
+    public String getTranslationKey() {
+        return "has_name";
+    }
+
+    @Override
+    public Object[] getTranslationParameters() {
+        return new Object[] { itemName };
+    }
+
+    @Override
+    public void writeNBT(CompoundNBT nbt) {
+        nbt.putString("name", this.itemName);
+    }
+
+    @Override
+    public ItemAttribute readNBT(CompoundNBT nbt) {
+        return new ItemNameAttribute(nbt.getString("name"));
+    }
+
+    private String extractCustomName(ItemStack stack) {
+        CompoundNBT compoundnbt = stack.getChildTag("display");
+        if (compoundnbt != null && compoundnbt.contains("Name", 8)) {
+            try {
+                ITextComponent itextcomponent = ITextComponent.Serializer.fromJson(compoundnbt.getString("Name"));
+                if (itextcomponent != null) {
+                    return itextcomponent.getString();
+                }
+            } catch (JsonParseException ignored) {
+            }
+        }
+        return "";
+    }
+}