Add filtering rules to the API (#1169)

23 files changed, 633 insertions, 531 deletions

diff --git a/runtime/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCoreClient.java b/runtime/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCoreClient.java
index d2469c67e..6ea8997fc 100644
--- a/runtime/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCoreClient.java
+++ b/runtime/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCoreClient.java
@@ -35,6 +35,7 @@ import me.shedaniel.architectury.platform.Platform;
 import me.shedaniel.math.Point;
 import me.shedaniel.rei.api.client.REIRuntime;
 import me.shedaniel.rei.api.client.config.ConfigObject;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleTypeRegistry;
 import me.shedaniel.rei.api.client.entry.renderer.EntryRenderer;
 import me.shedaniel.rei.api.client.favorites.FavoriteEntry;
 import me.shedaniel.rei.api.client.favorites.FavoriteEntryType;
@@ -59,6 +60,7 @@ import me.shedaniel.rei.impl.ClientInternals;
 import me.shedaniel.rei.impl.client.REIRuntimeImpl;
 import me.shedaniel.rei.impl.client.config.ConfigManagerImpl;
 import me.shedaniel.rei.impl.client.config.addon.ConfigAddonRegistryImpl;
+import me.shedaniel.rei.impl.client.entry.filtering.rules.FilteringRuleTypeRegistryImpl;
 import me.shedaniel.rei.impl.client.entry.renderer.EntryRendererRegistryImpl;
 import me.shedaniel.rei.impl.client.favorites.DelegatingFavoriteEntryProviderImpl;
 import me.shedaniel.rei.impl.client.favorites.FavoriteEntryTypeRegistryImpl;
@@ -203,6 +205,7 @@ public class RoughlyEnoughItemsCoreClient {
                 return categories.stream();
             }
         }, "clickAreaHandlerResult");
+        ClientInternals.attachInstanceSupplier(new FilteringRuleTypeRegistryImpl(), "filteringRuleTypeRegistry");
         ClientInternals.attachInstanceSupplier(new PluginManagerImpl<>(
                 REIClientPlugin.class,
                 view -> view.then(PluginView.getInstance()),
@@ -213,6 +216,7 @@ public class RoughlyEnoughItemsCoreClient {
                 new ConfigManagerImpl(),
                 new EntryRegistryImpl(),
                 new CollapsibleEntryRegistryImpl(),
+                FilteringRuleTypeRegistry.getInstance().basic(),
                 new CategoryRegistryImpl(),
                 new DisplayRegistryImpl(),
                 new ScreenRegistryImpl(),
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigManagerImpl.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigManagerImpl.java
index 7a105d0a6..41db7c7ed 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigManagerImpl.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigManagerImpl.java
@@ -46,11 +46,13 @@ import me.shedaniel.clothconfig2.gui.AbstractConfigScreen;
 import me.shedaniel.clothconfig2.gui.GlobalizedClothConfigScreen;
 import me.shedaniel.clothconfig2.gui.entries.KeyCodeEntry;
 import me.shedaniel.clothconfig2.gui.entries.TextListEntry;
-import me.shedaniel.rei.RoughlyEnoughItemsCore;
 import me.shedaniel.rei.api.client.REIRuntime;
 import me.shedaniel.rei.api.client.config.ConfigManager;
 import me.shedaniel.rei.api.client.config.addon.ConfigAddonRegistry;
 import me.shedaniel.rei.api.client.config.entry.EntryStackProvider;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleType;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleTypeRegistry;
 import me.shedaniel.rei.api.client.favorites.FavoriteEntry;
 import me.shedaniel.rei.api.client.gui.config.CheatingMode;
 import me.shedaniel.rei.api.client.gui.config.DisplayScreenType;
@@ -63,8 +65,6 @@ import me.shedaniel.rei.api.common.util.ImmutableTextComponent;
 import me.shedaniel.rei.impl.client.REIRuntimeImpl;
 import me.shedaniel.rei.impl.client.config.addon.ConfigAddonRegistryImpl;
 import me.shedaniel.rei.impl.client.config.entries.*;
-import me.shedaniel.rei.impl.client.entry.filtering.FilteringRule;
-import me.shedaniel.rei.impl.client.entry.filtering.rules.ManualFilteringRule;
 import me.shedaniel.rei.impl.client.gui.ScreenOverlayImpl;
 import me.shedaniel.rei.impl.client.gui.credits.CreditsScreen;
 import me.shedaniel.rei.impl.client.gui.performance.entry.PerformanceEntry;
@@ -234,7 +234,7 @@ public class ConfigManagerImpl implements ConfigManager {
         // FilteringRule
         builder.registerSerializer(FilteringRule.class, (value, marshaller) -> {
             try {
-                return marshaller.serialize(FilteringRule.save(value, new CompoundTag()));
+                return marshaller.serialize(FilteringRuleType.save(value, new CompoundTag()));
             } catch (Exception e) {
                 e.printStackTrace();
                 return JsonNull.INSTANCE;
@@ -242,7 +242,7 @@ public class ConfigManagerImpl implements ConfigManager {
         });
         builder.registerDeserializer(Tag.class, FilteringRule.class, (value, marshaller) -> {
             try {
-                return FilteringRule.read((CompoundTag) value);
+                return FilteringRuleType.read((CompoundTag) value);
             } catch (Exception e) {
                 e.printStackTrace();
                 return null;
@@ -250,7 +250,7 @@ public class ConfigManagerImpl implements ConfigManager {
         });
         builder.registerDeserializer(String.class, FilteringRule.class, (value, marshaller) -> {
             try {
-                return FilteringRule.read(TagParser.parseTag(value));
+                return FilteringRuleType.read(TagParser.parseTag(value));
             } catch (Exception e) {
                 e.printStackTrace();
                 return null;
@@ -292,8 +292,10 @@ public class ConfigManagerImpl implements ConfigManager {
     
     @Override
     public void saveConfig() {
-        if (getConfig().getFilteringRules().stream().noneMatch(filteringRule -> filteringRule instanceof ManualFilteringRule)) {
-            getConfig().getFilteringRules().add(new ManualFilteringRule());
+        for (FilteringRuleType<?> type : FilteringRuleTypeRegistry.getInstance()) {
+            if (type.isSingular() && getConfig().getFilteringRules().stream().noneMatch(filteringRule -> filteringRule.getType().equals(type))) {
+                getConfig().getFilteringRules().add(type.createNew());
+            }
         }
         AutoConfig.getConfigHolder(ConfigObjectImpl.class).registerLoadListener((configHolder, configObject) -> {
             object = configObject;
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigObjectImpl.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigObjectImpl.java
index 13b9d06dd..b92f89b4a 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigObjectImpl.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/ConfigObjectImpl.java
@@ -33,6 +33,7 @@ import me.shedaniel.clothconfig2.api.Modifier;
 import me.shedaniel.clothconfig2.api.ModifierKeyCode;
 import me.shedaniel.rei.api.client.config.ConfigObject;
 import me.shedaniel.rei.api.client.config.entry.EntryStackProvider;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
 import me.shedaniel.rei.api.client.favorites.FavoriteEntry;
 import me.shedaniel.rei.api.client.gui.config.*;
 import me.shedaniel.rei.api.common.entry.EntryStack;
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringAddRuleScreen.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringAddRuleScreen.java
index 212e46c38..950e0c5e0 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringAddRuleScreen.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringAddRuleScreen.java
@@ -25,8 +25,9 @@ package me.shedaniel.rei.impl.client.config.entries;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 import me.shedaniel.clothconfig2.gui.widget.DynamicElementListWidget;
-import me.shedaniel.rei.impl.client.entry.filtering.FilteringRule;
-import me.shedaniel.rei.impl.client.entry.filtering.rules.ManualFilteringRule;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleType;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleTypeRegistry;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.components.events.GuiEventListener;
@@ -41,7 +42,7 @@ import net.minecraft.resources.ResourceLocation;
 import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
-import java.util.function.BiFunction;
+import java.util.function.Function;
 
 public class FilteringAddRuleScreen extends Screen {
     private final FilteringEntry entry;
@@ -64,8 +65,8 @@ public class FilteringAddRuleScreen extends Screen {
             }));
         }
         rulesList = addWidget(new RulesList(minecraft, width, height, 30, height, BACKGROUND_LOCATION));
-        for (FilteringRule<?> rule : FilteringRule.REGISTRY) {
-            if (!(rule instanceof ManualFilteringRule))
+        for (FilteringRuleType<?> rule : FilteringRuleTypeRegistry.getInstance()) {
+            if (!rule.isSingular())
                 rulesList.addItem(new DefaultRuleEntry(parent, entry, rule.createNew(), null));
         }
         rulesList.selectItem(rulesList.children().get(0));
@@ -146,14 +147,14 @@ public class FilteringAddRuleScreen extends Screen {
     
     public static class DefaultRuleEntry extends RuleEntry {
         private final Button addButton;
-        private final BiFunction<FilteringEntry, Screen, Screen> screenFunction;
+        private final Function<Screen, Screen> screenFunction;
         
-        public DefaultRuleEntry(Screen parent, FilteringEntry entry, FilteringRule<?> rule, BiFunction<FilteringEntry, Screen, Screen> screenFunction) {
+        public DefaultRuleEntry(Screen parent, FilteringEntry entry, FilteringRule<?> rule, Function<Screen, Screen> screenFunction) {
             super(rule);
-            this.screenFunction = (screenFunction == null ? rule.createEntryScreen().orElse(null) : screenFunction);
+            this.screenFunction = (screenFunction == null ? ((FilteringRuleType<FilteringRule<?>>) rule.getType()).createEntryScreen(rule) : screenFunction);
             addButton = new Button(0, 0, 20, 20, Component.nullToEmpty(" + "), button -> {
                 entry.edited = true;
-                Minecraft.getInstance().setScreen(this.screenFunction.apply(entry, parent));
+                Minecraft.getInstance().setScreen(this.screenFunction.apply(parent));
                 entry.rules.add(0, rule);
             });
             addButton.active = this.screenFunction != null;
@@ -163,7 +164,7 @@ public class FilteringAddRuleScreen extends Screen {
         public void render(PoseStack matrices, int index, int y, int x, int entryWidth, int entryHeight, int mouseX, int mouseY, boolean isHovered, float delta) {
             Minecraft client = Minecraft.getInstance();
             {
-                Component title = getRule().getTitle();
+                Component title = ((FilteringRuleType<FilteringRule<?>>) getRule().getType()).getTitle(getRule());
                 int i = client.font.width(title);
                 if (i > entryWidth - 28) {
                     FormattedText titleTrimmed = FormattedText.composite(client.font.substrByWidth(title, entryWidth - 28 - client.font.width("...")), FormattedText.of("..."));
@@ -173,7 +174,7 @@ public class FilteringAddRuleScreen extends Screen {
                 }
             }
             {
-                Component subtitle = getRule().getSubtitle();
+                Component subtitle = ((FilteringRuleType<FilteringRule<?>>) getRule().getType()).getSubtitle(getRule());
                 int i = client.font.width(subtitle);
                 if (i > entryWidth - 28) {
                     FormattedText subtitleTrimmed = FormattedText.composite(client.font.substrByWidth(subtitle, entryWidth - 28 - client.font.width("...")), FormattedText.of("..."));
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringEntry.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringEntry.java
index 54544f9cf..6aea3afd5 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringEntry.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringEntry.java
@@ -28,9 +28,9 @@ import com.google.common.collect.Lists;
 import com.mojang.blaze3d.platform.Window;
 import com.mojang.blaze3d.vertex.PoseStack;
 import me.shedaniel.clothconfig2.api.AbstractConfigListEntry;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
 import me.shedaniel.rei.api.common.entry.EntryStack;
 import me.shedaniel.rei.api.common.util.EntryStacks;
-import me.shedaniel.rei.impl.client.entry.filtering.FilteringRule;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.chat.NarratorChatListener;
 import net.minecraft.client.gui.components.AbstractWidget;
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRuleOptionsScreen.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRuleOptionsScreen.java
index 391032391..9d4b0757c 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRuleOptionsScreen.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRuleOptionsScreen.java
@@ -27,7 +27,7 @@ import com.mojang.blaze3d.systems.RenderSystem;
 import com.mojang.blaze3d.vertex.PoseStack;
 import me.shedaniel.clothconfig2.gui.widget.DynamicElementListWidget;
 import me.shedaniel.math.Rectangle;
-import me.shedaniel.rei.impl.client.entry.filtering.FilteringRule;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.components.EditBox;
@@ -50,14 +50,12 @@ import java.util.function.Function;
 import java.util.function.Supplier;
 
 public abstract class FilteringRuleOptionsScreen<T extends FilteringRule<?>> extends Screen {
-    private final FilteringEntry entry;
     private RulesList rulesList;
     Screen parent;
     public T rule;
     
-    public FilteringRuleOptionsScreen(FilteringEntry entry, T rule, Screen screen) {
+    public FilteringRuleOptionsScreen(T rule, Screen screen) {
         super(new TranslatableComponent("config.roughlyenoughitems.filteringRulesScreen"));
-        this.entry = entry;
         this.rule = rule;
         this.parent = screen;
     }
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java
index ef439a005..300ba851a 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java
@@ -25,7 +25,8 @@ package me.shedaniel.rei.impl.client.config.entries;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 import me.shedaniel.clothconfig2.gui.widget.DynamicElementListWidget;
-import me.shedaniel.rei.impl.client.entry.filtering.FilteringRule;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleType;
 import me.shedaniel.rei.impl.client.entry.filtering.rules.ManualFilteringRule;
 import me.shedaniel.rei.impl.client.gui.InternalTextures;
 import net.minecraft.client.Minecraft;
@@ -44,7 +45,7 @@ import net.minecraft.sounds.SoundEvents;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
-import java.util.function.BiFunction;
+import java.util.function.Function;
 
 public class FilteringRulesScreen extends Screen {
     private final FilteringEntry entry;
@@ -78,7 +79,7 @@ public class FilteringRulesScreen extends Screen {
         for (int i = entry.rules.size() - 1; i >= 0; i--) {
             FilteringRule<?> rule = entry.rules.get(i);
             if (rule instanceof ManualFilteringRule)
-                rulesList.addItem(new DefaultRuleEntry(rule, entry, (entry, screen) -> {
+                rulesList.addItem(new DefaultRuleEntry(rule, entry, (screen) -> {
                     entry.filteringScreen.parent = screen;
                     return entry.filteringScreen;
                 }));
@@ -178,14 +179,14 @@ public class FilteringRulesScreen extends Screen {
     public static class DefaultRuleEntry extends RuleEntry {
         private final Button configureButton;
         private final Button deleteButton;
-        private final BiFunction<FilteringEntry, Screen, Screen> screenFunction;
+        private final Function<Screen, Screen> screenFunction;
         
-        public DefaultRuleEntry(FilteringRule<?> rule, FilteringEntry entry, BiFunction<FilteringEntry, Screen, Screen> screenFunction) {
+        public DefaultRuleEntry(FilteringRule<?> rule, FilteringEntry entry, Function<Screen, Screen> screenFunction) {
             super(rule);
-            this.screenFunction = (screenFunction == null ? rule.createEntryScreen().orElse(null) : screenFunction);
+            this.screenFunction = (screenFunction == null ? ((FilteringRuleType<FilteringRule<?>>) rule.getType()).createEntryScreen(rule) : screenFunction);
             configureButton = new Button(0, 0, 20, 20, Component.nullToEmpty(null), button -> {
                 entry.edited = true;
-                Minecraft.getInstance().setScreen(this.screenFunction.apply(entry, Minecraft.getInstance().screen));
+                Minecraft.getInstance().setScreen(this.screenFunction.apply(Minecraft.getInstance().screen));
             }) {
                 @Override
                 protected void renderBg(PoseStack matrices, Minecraft client, int mouseX, int mouseY) {
@@ -204,14 +205,14 @@ public class FilteringRulesScreen extends Screen {
                 });
             }
             configureButton.active = this.screenFunction != null;
-            deleteButton.active = !(rule instanceof ManualFilteringRule);
+            deleteButton.active = !rule.getType().isSingular();
         }
         
         @Override
         public void render(PoseStack matrices, int index, int y, int x, int entryWidth, int entryHeight, int mouseX, int mouseY, boolean isHovered, float delta) {
             Minecraft client = Minecraft.getInstance();
             {
-                Component title = getRule().getTitle();
+                Component title = ((FilteringRuleType<FilteringRule<?>>) getRule().getType()).getTitle(getRule());
                 int i = client.font.width(title);
                 if (i > entryWidth - 28) {
                     FormattedText titleTrimmed = FormattedText.composite(client.font.substrByWidth(title, entryWidth - 28 - client.font.width("...")), FormattedText.of("..."));
@@ -221,7 +222,7 @@ public class FilteringRulesScreen extends Screen {
                 }
             }
             {
-                Component subtitle = getRule().getSubtitle();
+                Component subtitle = ((FilteringRuleType<FilteringRule<?>>) getRule().getType()).getSubtitle(getRule());
                 int i = client.font.width(subtitle);
                 if (i > entryWidth - 28) {
                     FormattedText subtitleTrimmed = FormattedText.composite(client.font.substrByWidth(subtitle, entryWidth - 28 - client.font.width("...")), FormattedText.of("..."));
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringCache.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringCache.java
deleted file mode 100644
index 388652210..000000000
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringCache.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * This file is licensed under the MIT License, part of Roughly Enough Items.
- * Copyright (c) 2018, 2019, 2020, 2021, 2022 shedaniel
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package me.shedaniel.rei.impl.client.entry.filtering;
-
-import org.jetbrains.annotations.Nullable;
-
-public interface FilteringCache {
-    @Nullable
-    Object getCache(FilteringRule<?> rule);
-}
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringContext.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringContext.java
deleted file mode 100644
index 59b2ce647..000000000
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringContext.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * This file is licensed under the MIT License, part of Roughly Enough Items.
- * Copyright (c) 2018, 2019, 2020, 2021, 2022 shedaniel
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package me.shedaniel.rei.impl.client.entry.filtering;
-
-import me.shedaniel.rei.api.common.entry.EntryStack;
-import org.jetbrains.annotations.ApiStatus;
-
-import java.util.Collection;
-
-@ApiStatus.Internal
-@ApiStatus.Experimental
-public interface FilteringContext {
-    Collection<EntryStack<?>> getStacks(FilteringContextType type);
-    
-    default Collection<EntryStack<?>> getShownStacks() {
-        return getStacks(FilteringContextType.SHOWN);
-    }
-    
-    default Collection<EntryStack<?>> getUnsetStacks() {
-        return getStacks(FilteringContextType.DEFAULT);
-    }
-    
-    default Collection<EntryStack<?>> getHiddenStacks() {
-        return getStacks(FilteringContextType.HIDDEN);
-    }
-}
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringContextImpl.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringContextImpl.java
index e46f8660b..d0e26a9fc 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringContextImpl.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/FilteringContextImpl.java
@@ -23,19 +23,18 @@
 
 package me.shedaniel.rei.impl.client.entry.filtering;
 
+import com.google.common.collect.Iterators;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringContext;
 import me.shedaniel.rei.api.common.entry.EntryStack;
 import me.shedaniel.rei.api.common.util.CollectionUtils;
 import me.shedaniel.rei.impl.common.util.HashedEntryStackWrapper;
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
@@ -45,7 +44,6 @@ import java.util.concurrent.TimeoutException;
 public class FilteringContextImpl implements FilteringContext {
     private final boolean async;
     public final Map<FilteringContextType, Set<HashedEntryStackWrapper>> stacks;
-    private final Map<FilteringContextType, Collection<EntryStack<?>>> cachedStacks;
     
     public FilteringContextImpl(Collection<EntryStack<?>> allStacks) {
         this(true, allStacks);
@@ -54,40 +52,55 @@ public class FilteringContextImpl implements FilteringContext {
     public FilteringContextImpl(boolean async, Collection<EntryStack<?>> allStacks) {
         this.async = async;
         this.stacks = Maps.newHashMap();
-        this.cachedStacks = Maps.newHashMap();
         for (FilteringContextType type : FilteringContextType.values()) {
             this.stacks.computeIfAbsent(type, t -> Sets.newHashSet());
         }
         this.stacks.get(FilteringContextType.DEFAULT).addAll(async ? CollectionUtils.mapParallel(allStacks, HashedEntryStackWrapper::new)
                 : CollectionUtils.map(allStacks, HashedEntryStackWrapper::new));
-        fillCache();
     }
     
     public FilteringContextImpl(Map<FilteringContextType, Set<HashedEntryStackWrapper>> stacks) {
         this.async = false;
         this.stacks = stacks;
-        this.cachedStacks = Maps.newHashMap();
         for (FilteringContextType type : FilteringContextType.values()) {
             this.stacks.computeIfAbsent(type, t -> Sets.newHashSet());
         }
-        fillCache();
     }
     
-    private void fillCache() {
-        this.cachedStacks.clear();
-        for (FilteringContextType type : FilteringContextType.values()) {
-            this.cachedStacks.put(type, CollectionUtils.map(stacks.get(type), HashedEntryStackWrapper::unwrap));
-        }
+    @Override
+    public Collection<EntryStack<?>> getHiddenStacks() {
+        return getPublicFacing(FilteringContextType.HIDDEN);
+    }
+    
+    @Override
+    public Collection<EntryStack<?>> getShownStacks() {
+        return getPublicFacing(FilteringContextType.SHOWN);
     }
     
     @Override
-    public Collection<EntryStack<?>> getStacks(FilteringContextType type) {
-        return cachedStacks.get(type);
+    public Collection<EntryStack<?>> getUnsetStacks() {
+        return getPublicFacing(FilteringContextType.DEFAULT);
     }
     
-    public void handleResult(FilteringResult result) {
-        Collection<HashedEntryStackWrapper> hiddenStacks = result.getHiddenStacks();
-        Collection<HashedEntryStackWrapper> shownStacks = result.getShownStacks();
+    private Collection<EntryStack<?>> getPublicFacing(FilteringContextType type) {
+        Set<HashedEntryStackWrapper> wrappers = this.stacks.get(type);
+        if (wrappers == null || wrappers.isEmpty()) return List.of();
+        return new AbstractSet<>() {
+            @Override
+            public Iterator<EntryStack<?>> iterator() {
+                return Iterators.transform(wrappers.iterator(), HashedEntryStackWrapper::unwrap);
+            }
+            
+            @Override
+            public int size() {