made it run!

build.gradle

@@ -3,7 +3,16 @@ plugins {
     id 'eclipse'
     id 'idea'
     id 'maven-publish'
-    id 'net.neoforged.gradle.userdev' version '7.0.80'
+    id 'net.neoforged.gradle.userdev' version '7.0.163'
+}
+
+tasks.named('wrapper', Wrapper).configure {
+    // Define wrapper values here so as to not have to always do so when updating gradlew.properties.
+    // Switching this to Wrapper.DistributionType.ALL will download the full gradle sources that comes with
+    // documentation attached on cursor hover of gradle classes and methods. However, this comes with increased
+    // file size for Gradle. If you do switch this to ALL, run the Gradle wrapper task twice afterwards.
+    // (Verify by checking gradle/wrapper/gradle-wrapper.properties to see if distributionUrl now points to `-all`)
+    distributionType = Wrapper.DistributionType.BIN
 }
 
 // Enable the Jar-in-Jar system for your mod
@@ -27,8 +36,8 @@ base {
     archivesName = mod_name
 }
 
-// Mojang ships Java 17 to end users in 1.18+, so your mod should target Java 17.
-java.toolchain.languageVersion = JavaLanguageVersion.of(17)
+// Mojang ships Java 21 to end users starting in 1.20.5, so mods should target Java 21.
+java.toolchain.languageVersion = JavaLanguageVersion.of(21)
 
 println "Java: ${System.getProperty 'java.version'}, JVM: ${System.getProperty 'java.vm.version'} (${System.getProperty 'java.vendor'}), Arch: ${System.getProperty 'os.arch'}"
 runs {
@@ -62,7 +71,7 @@ runs {
 
     server {
         systemProperty 'forge.enabledGameTestNamespaces', project.mod_id
-        programArgument '--nogui'
+        argument '--nogui'
     }
 
     // This run config launches GameTestServer and runs all registered gametests, then exits.
@@ -77,7 +86,7 @@ runs {
         // workingDirectory project.file('run-data')
 
         // Specify the modid for data generation, where to output the resulting resource, and where to look for existing resources.
-        programArguments.addAll '--mod', project.mod_id, '--all', '--output', file('src/generated/resources/').getAbsolutePath(), '--existing', file('src/main/resources/').getAbsolutePath()
+        arguments.addAll '--mod', project.mod_id, '--all', '--output', file('src/generated/resources/').getAbsolutePath(), '--existing', file('src/main/resources/').getAbsolutePath()
     }
 }
 
@@ -127,8 +136,8 @@ tasks.withType(ProcessResources).configureEach {
     ]
     inputs.properties replaceProperties
 
-    filesMatching(['META-INF/mods.toml']) {
-        expand replaceProperties + [project: project]
+    filesMatching(['META-INF/neoforge.mods.toml']) {
+        expand replaceProperties
     }
 }
 
@@ -154,3 +163,11 @@ publishing {
 tasks.withType(JavaCompile).configureEach {
     options.encoding = 'UTF-8' // Use the UTF-8 charset for Java compilation
 }
+
+// IDEA no longer automatically downloads sources/javadoc jars for dependencies, so we need to explicitly enable the behavior.
+idea {
+    module {
+        downloadSources = true
+        downloadJavadoc = true
+    }
+}

gradle.properties

@@ -1,22 +1,24 @@
+org.gradle.jvmargs=-Xmx1G
+org.gradle.daemon=false
 org.gradle.debug=false
 
 #read more on this at https://github.com/neoforged/NeoGradle/blob/NG_7.0/README.md#apply-parchment-mappings
 # you can also find the latest versions at: https://parchmentmc.org/docs/getting-started
-neogradle.subsystems.parchment.minecraftVersion=1.20.3
-neogradle.subsystems.parchment.mappingsVersion=2023.12.31
+neogradle.subsystems.parchment.minecraftVersion=1.21
+neogradle.subsystems.parchment.mappingsVersion=2024.07.28
 # Environment Properties
 # You can find the latest versions here: https://projects.neoforged.net/neoforged/neoforge
 # The Minecraft version must agree with the Neo version to get a valid artifact
-minecraft_version=1.20.4
-minecraft_version_range=[1.20.4,1.21)
+minecraft_version=1.21.1
+minecraft_version_range=[1.21.1,1.22)
 # The Neo version must agree with the Minecraft version to get a valid artifact
-neo_version=20.4.195
+neo_version=21.1.45
 # The Neo version range can use any version of Neo as bounds
-neo_version_range=[20.4,)
+neo_version_range=[21.1.0,)
 # The loader version range can only use the major version of FML as bounds
-loader_version_range=[2,)
+loader_version_range=[4,)
 
-jei_version=17.3.0.49
+jei_version=19.18.3.204
 jgt_version=1.5.2
 jheaps_version=0.14
 apfloat_version=1.10.1

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015-2021 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -32,10 +34,10 @@
 #       Busybox and similar reduced shells will NOT work, because this script
 #       requires all of these POSIX shell features:
 #         * functions;
-#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
-#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
-#         * compound commands having a testable exit status, especially «case»;
-#         * various built-in commands including «command», «set», and «ulimit».
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
 #
 #   Important for patching:
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,13 +82,12 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,22 +134,29 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
     fi
+fi
 
 # Increase the maximum file descriptors if we can.
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -193,11 +201,15 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
@@ -205,6 +217,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.

gradlew.bat

@@ -13,6 +13,8 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
 @if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
@@ -26,6 +28,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,13 +43,13 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -56,11 +59,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -75,13 +78,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

src/main/java/de/ellpeck/prettypipes/Registry.java

@@ -3,7 +3,9 @@ package de.ellpeck.prettypipes;
 import de.ellpeck.prettypipes.entities.PipeFrameEntity;
 import de.ellpeck.prettypipes.entities.PipeFrameRenderer;
 import de.ellpeck.prettypipes.items.*;
+import de.ellpeck.prettypipes.misc.DirectionSelector;
 import de.ellpeck.prettypipes.misc.ItemEquality;
+import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.misc.ModuleClearingRecipe;
 import de.ellpeck.prettypipes.packets.*;
 import de.ellpeck.prettypipes.pipe.IPipeConnectable;
@@ -47,7 +49,6 @@ import de.ellpeck.prettypipes.terminal.containers.CraftingTerminalContainer;
 import de.ellpeck.prettypipes.terminal.containers.CraftingTerminalGui;
 import de.ellpeck.prettypipes.terminal.containers.ItemTerminalContainer;
 import de.ellpeck.prettypipes.terminal.containers.ItemTerminalGui;
-import net.minecraft.client.gui.screens.MenuScreens;
 import net.minecraft.client.renderer.blockentity.BlockEntityRenderers;
 import net.minecraft.client.renderer.entity.EntityRenderers;
 import net.minecraft.core.Direction;
@@ -68,24 +69,26 @@ import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockBehaviour.Properties;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.bus.api.SubscribeEvent;
-import net.neoforged.fml.common.Mod.EventBusSubscriber;
-import net.neoforged.fml.common.Mod.EventBusSubscriber.Bus;
+import net.neoforged.fml.common.EventBusSubscriber;
 import net.neoforged.fml.event.lifecycle.FMLClientSetupEvent;
 import net.neoforged.neoforge.capabilities.BlockCapability;
 import net.neoforged.neoforge.capabilities.Capabilities;
 import net.neoforged.neoforge.capabilities.RegisterCapabilitiesEvent;
+import net.neoforged.neoforge.client.event.RegisterMenuScreensEvent;
 import net.neoforged.neoforge.common.extensions.IMenuTypeExtension;
-import net.neoforged.neoforge.network.event.RegisterPayloadHandlerEvent;
+import net.neoforged.neoforge.network.event.RegisterPayloadHandlersEvent;
 import net.neoforged.neoforge.registries.RegisterEvent;
 
 import java.util.Comparator;
 import java.util.Locale;
 import java.util.function.BiFunction;
 
+import static net.neoforged.fml.common.EventBusSubscriber.Bus;
+
 @EventBusSubscriber(bus = Bus.MOD)
 public final class Registry {
 
-    public static BlockCapability<IPipeConnectable, Direction> pipeConnectableCapability = BlockCapability.createSided(new ResourceLocation(PrettyPipes.ID, "pipe_connectable"), IPipeConnectable.class);
+    public static BlockCapability<IPipeConnectable, Direction> pipeConnectableCapability = BlockCapability.createSided(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pipe_connectable"), IPipeConnectable.class);
 
     public static Item wrenchItem;
     public static Item pipeFrameItem;
@@ -119,19 +122,19 @@ public final class Registry {
     @SubscribeEvent
     public static void register(RegisterEvent event) {
         event.register(Registries.BLOCK, h -> {
-            h.register(new ResourceLocation(PrettyPipes.ID, "pipe"), Registry.pipeBlock = new PipeBlock(Properties.of().strength(2).sound(SoundType.STONE).noOcclusion()));
-            h.register(new ResourceLocation(PrettyPipes.ID, "item_terminal"), Registry.itemTerminalBlock = new ItemTerminalBlock(Properties.of().strength(3).sound(SoundType.STONE)));
-            h.register(new ResourceLocation(PrettyPipes.ID, "crafting_terminal"), Registry.craftingTerminalBlock = new CraftingTerminalBlock(Properties.of().strength(3).sound(SoundType.STONE)));
-            h.register(new ResourceLocation(PrettyPipes.ID, "pressurizer"), Registry.pressurizerBlock = new PressurizerBlock(Properties.of().strength(3).sound(SoundType.STONE)));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pipe"), Registry.pipeBlock = new PipeBlock(Properties.of().strength(2).sound(SoundType.STONE).noOcclusion()));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "item_terminal"), Registry.itemTerminalBlock = new ItemTerminalBlock(Properties.of().strength(3).sound(SoundType.STONE)));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "crafting_terminal"), Registry.craftingTerminalBlock = new CraftingTerminalBlock(Properties.of().strength(3).sound(SoundType.STONE)));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pressurizer"), Registry.pressurizerBlock = new PressurizerBlock(Properties.of().strength(3).sound(SoundType.STONE)));
         });
 
         event.register(Registries.ITEM, h -> {
-            h.register(new ResourceLocation(PrettyPipes.ID, "wrench"), Registry.wrenchItem = new WrenchItem());
-            h.register(new ResourceLocation(PrettyPipes.ID, "blank_module"), new Item(new Item.Properties()));
-            h.register(new ResourceLocation(PrettyPipes.ID, "pipe_frame"), Registry.pipeFrameItem = new PipeFrameItem());
-            h.register(new ResourceLocation(PrettyPipes.ID, "stack_size_module"), new StackSizeModuleItem());
-            h.register(new ResourceLocation(PrettyPipes.ID, "redstone_module"), new RedstoneModuleItem());
-            h.register(new ResourceLocation(PrettyPipes.ID, "filter_increase_modifier"), new FilterIncreaseModuleItem());
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "wrench"), Registry.wrenchItem = new WrenchItem());
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "blank_module"), new Item(new Item.Properties()));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pipe_frame"), Registry.pipeFrameItem = new PipeFrameItem());
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "stack_size_module"), new StackSizeModuleItem());
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "redstone_module"), new RedstoneModuleItem());
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "filter_increase_modifier"), new FilterIncreaseModuleItem());
 
             Registry.registerTieredModule(h, "extraction_module", ExtractionModuleItem::new);
             Registry.registerTieredModule(h, "filter_module", FilterModuleItem::new);
@@ -143,11 +146,11 @@ public final class Registry {
 
             for (var type : ItemEquality.Type.values()) {
                 var name = type.name().toLowerCase(Locale.ROOT) + "_filter_modifier";
-                h.register(new ResourceLocation(PrettyPipes.ID, name), new FilterModifierModuleItem(name, type));
+                h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, name), new FilterModifierModuleItem(name, type));
             }
             for (var type : SortingModuleItem.Type.values()) {
                 var name = type.name().toLowerCase(Locale.ROOT) + "_sorting_modifier";
-                h.register(new ResourceLocation(PrettyPipes.ID, name), new SortingModuleItem(name, type));
+                h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, name), new SortingModuleItem(name, type));
             }
 
             BuiltInRegistries.BLOCK.entrySet().stream()
@@ -156,20 +159,20 @@ public final class Registry {
         });
 
         event.register(Registries.BLOCK_ENTITY_TYPE, h -> {
-            h.register(new ResourceLocation(PrettyPipes.ID, "pipe"), Registry.pipeBlockEntity = BlockEntityType.Builder.of(PipeBlockEntity::new, Registry.pipeBlock).build(null));
-            h.register(new ResourceLocation(PrettyPipes.ID, "item_terminal"), Registry.itemTerminalBlockEntity = BlockEntityType.Builder.of(ItemTerminalBlockEntity::new, Registry.itemTerminalBlock).build(null));
-            h.register(new ResourceLocation(PrettyPipes.ID, "crafting_terminal"), Registry.craftingTerminalBlockEntity = BlockEntityType.Builder.of(CraftingTerminalBlockEntity::new, Registry.craftingTerminalBlock).build(null));
-            h.register(new ResourceLocation(PrettyPipes.ID, "pressurizer"), Registry.pressurizerBlockEntity = BlockEntityType.Builder.of(PressurizerBlockEntity::new, Registry.pressurizerBlock).build(null));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pipe"), Registry.pipeBlockEntity = BlockEntityType.Builder.of(PipeBlockEntity::new, Registry.pipeBlock).build(null));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "item_terminal"), Registry.itemTerminalBlockEntity = BlockEntityType.Builder.of(ItemTerminalBlockEntity::new, Registry.itemTerminalBlock).build(null));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "crafting_terminal"), Registry.craftingTerminalBlockEntity = BlockEntityType.Builder.of(CraftingTerminalBlockEntity::new, Registry.craftingTerminalBlock).build(null));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pressurizer"), Registry.pressurizerBlockEntity = BlockEntityType.Builder.of(PressurizerBlockEntity::new, Registry.pressurizerBlock).build(null));
         });
 
         event.register(Registries.ENTITY_TYPE, h ->
-                h.register(new ResourceLocation(PrettyPipes.ID, "pipe_frame"), Registry.pipeFrameEntity = EntityType.Builder.<PipeFrameEntity>of(PipeFrameEntity::new, MobCategory.MISC).build("pipe_frame")));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pipe_frame"), Registry.pipeFrameEntity = EntityType.Builder.<PipeFrameEntity>of(PipeFrameEntity::new, MobCategory.MISC).build("pipe_frame")));
 
         event.register(Registries.MENU, h -> {
-            h.register(new ResourceLocation(PrettyPipes.ID, "pipe"), Registry.pipeContainer = IMenuTypeExtension.create((windowId, inv, data) -> new MainPipeContainer(Registry.pipeContainer, windowId, inv.player, data.readBlockPos())));
-            h.register(new ResourceLocation(PrettyPipes.ID, "item_terminal"), Registry.itemTerminalContainer = IMenuTypeExtension.create((windowId, inv, data) -> new ItemTerminalContainer(Registry.itemTerminalContainer, windowId, inv.player, data.readBlockPos())));
-            h.register(new ResourceLocation(PrettyPipes.ID, "crafting_terminal"), Registry.craftingTerminalContainer = IMenuTypeExtension.create((windowId, inv, data) -> new CraftingTerminalContainer(Registry.craftingTerminalContainer, windowId, inv.player, data.readBlockPos())));
-            h.register(new ResourceLocation(PrettyPipes.ID, "pressurizer"), Registry.pressurizerContainer = IMenuTypeExtension.create((windowId, inv, data) -> new PressurizerContainer(Registry.pressurizerContainer, windowId, inv.player, data.readBlockPos())));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pipe"), Registry.pipeContainer = IMenuTypeExtension.create((windowId, inv, data) -> new MainPipeContainer(Registry.pipeContainer, windowId, inv.player, data.readBlockPos())));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "item_terminal"), Registry.itemTerminalContainer = IMenuTypeExtension.create((windowId, inv, data) -> new ItemTerminalContainer(Registry.itemTerminalContainer, windowId, inv.player, data.readBlockPos())));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "crafting_terminal"), Registry.craftingTerminalContainer = IMenuTypeExtension.create((windowId, inv, data) -> new CraftingTerminalContainer(Registry.craftingTerminalContainer, windowId, inv.player, data.readBlockPos())));
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pressurizer"), Registry.pressurizerContainer = IMenuTypeExtension.create((windowId, inv, data) -> new PressurizerContainer(Registry.pressurizerContainer, windowId, inv.player, data.readBlockPos())));
 
             Registry.extractionModuleContainer = Registry.registerPipeContainer(h, "extraction_module");
             Registry.filterModuleContainer = Registry.registerPipeContainer(h, "filter_module");
@@ -181,7 +184,7 @@ public final class Registry {
         });
 
         event.register(BuiltInRegistries.CREATIVE_MODE_TAB.key(), h -> {
-            h.register(new ResourceLocation(PrettyPipes.ID, "tab"), CreativeModeTab.builder()
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "tab"), CreativeModeTab.builder()
                 .title(Component.translatable("item_group." + PrettyPipes.ID + ".tab"))
                 .icon(() -> new ItemStack(Registry.wrenchItem))
                 .displayItems((params, output) -> BuiltInRegistries.ITEM.entrySet().stream()
@@ -192,7 +195,16 @@ public final class Registry {
         });
 
         event.register(Registries.RECIPE_SERIALIZER, h -> {
-            h.register(new ResourceLocation(PrettyPipes.ID, "module_clearing"), ModuleClearingRecipe.SERIALIZER);
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "module_clearing"), ModuleClearingRecipe.SERIALIZER);
+        });
+
+        event.register(Registries.DATA_COMPONENT_TYPE, h -> {
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "crafting_module_contents"), CraftingModuleItem.Contents.TYPE);
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "item_filter_data"), ItemFilter.Data.TYPE);
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "stack_size_module_data"), StackSizeModuleItem.Data.TYPE);
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "direction_selector_data"), DirectionSelector.Data.TYPE);
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "filter_modifier_data"), FilterModifierModuleItem.Data.TYPE);
+            h.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "sorting_module_data"), SortingModuleItem.Data.TYPE);
         });
     }
 
@@ -207,14 +219,14 @@ public final class Registry {
     }
 
     @SubscribeEvent
-    public static void registerPayloads(final RegisterPayloadHandlerEvent event) {
+    public static void registerPayloads(final RegisterPayloadHandlersEvent event) {
         var registrar = event.registrar(PrettyPipes.ID);
-        registrar.play(PacketItemEnterPipe.ID, PacketItemEnterPipe::new, PacketItemEnterPipe::onMessage);
-        registrar.play(PacketButton.ID, PacketButton::new, PacketButton::onMessage);
-        registrar.play(PacketCraftingModuleTransfer.ID, PacketCraftingModuleTransfer::new, PacketCraftingModuleTransfer::onMessage);
-        registrar.play(PacketGhostSlot.ID, PacketGhostSlot::new, PacketGhostSlot::onMessage);
-        registrar.play(PacketNetworkItems.ID, PacketNetworkItems::new, PacketNetworkItems::onMessage);
-        registrar.play(PacketRequest.ID, PacketRequest::new, PacketRequest::onMessage);
+        registrar.playBidirectional(PacketItemEnterPipe.TYPE, PacketItemEnterPipe.CODEC, PacketItemEnterPipe::onMessage);
+        registrar.playBidirectional(PacketButton.TYPE, PacketButton.CODEC, PacketButton::onMessage);
+        registrar.playBidirectional(PacketCraftingModuleTransfer.TYPE, PacketCraftingModuleTransfer.CODEC, PacketCraftingModuleTransfer::onMessage);
+        registrar.playBidirectional(PacketGhostSlot.TYPE, PacketGhostSlot.CODEC, PacketGhostSlot::onMessage);
+        registrar.playBidirectional(PacketNetworkItems.TYPE, PacketNetworkItems.CODEC, PacketNetworkItems::onMessage);
+        registrar.playBidirectional(PacketRequest.TYPE, PacketRequest.CODEC, PacketRequest::onMessage);
     }
 
     private static <T extends AbstractPipeContainer<?>> MenuType<T> registerPipeContainer(RegisterEvent.RegisterHelper<MenuType<?>> helper, String name) {
@@ -224,13 +236,13 @@ public final class Registry {
             var moduleStack = tile.modules.getStackInSlot(moduleIndex);
             return ((IModule) moduleStack.getItem()).getContainer(moduleStack, tile, windowId, inv, inv.player, moduleIndex);
         });
-        helper.register(new ResourceLocation(PrettyPipes.ID, name), type);
+        helper.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, name), type);
         return type;
     }
 
     private static void registerTieredModule(RegisterEvent.RegisterHelper<Item> helper, String name, BiFunction<String, ModuleTier, ModuleItem> item) {
         for (var tier : ModuleTier.values())
-            helper.register(new ResourceLocation(PrettyPipes.ID, tier.name().toLowerCase(Locale.ROOT) + "_" + name), item.apply(name, tier));
+            helper.register(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, tier.name().toLowerCase(Locale.ROOT) + "_" + name), item.apply(name, tier));
     }
 
     @EventBusSubscriber(bus = Bus.MOD, value = Dist.CLIENT)
@@ -240,18 +252,21 @@ public final class Registry {
         public static void setup(FMLClientSetupEvent event) {
             BlockEntityRenderers.register(Registry.pipeBlockEntity, PipeRenderer::new);
             EntityRenderers.register(Registry.pipeFrameEntity, PipeFrameRenderer::new);
+        }
 
-            MenuScreens.register(Registry.pipeContainer, MainPipeGui::new);
-            MenuScreens.register(Registry.itemTerminalContainer, ItemTerminalGui::new);
-            MenuScreens.register(Registry.pressurizerContainer, PressurizerGui::new);
-            MenuScreens.register(Registry.craftingTerminalContainer, CraftingTerminalGui::new);
-            MenuScreens.register(Registry.extractionModuleContainer, ExtractionModuleGui::new);
-            MenuScreens.register(Registry.filterModuleContainer, FilterModuleGui::new);
-            MenuScreens.register(Registry.retrievalModuleContainer, RetrievalModuleGui::new);
-            MenuScreens.register(Registry.stackSizeModuleContainer, StackSizeModuleGui::new);
-            MenuScreens.register(Registry.filterIncreaseModuleContainer, FilterIncreaseModuleGui::new);
-            MenuScreens.register(Registry.craftingModuleContainer, CraftingModuleGui::new);
-            MenuScreens.register(Registry.filterModifierModuleContainer, FilterModifierModuleGui::new);
+        @SubscribeEvent
+        public static void registerMenuScreens(RegisterMenuScreensEvent event) {
+            event.register(Registry.pipeContainer, MainPipeGui::new);
+            event.register(Registry.itemTerminalContainer, ItemTerminalGui::new);
+            event.register(Registry.pressurizerContainer, PressurizerGui::new);
+            event.register(Registry.craftingTerminalContainer, CraftingTerminalGui::new);
+            event.register(Registry.extractionModuleContainer, ExtractionModuleGui::new);
+            event.register(Registry.filterModuleContainer, FilterModuleGui::new);
+            event.register(Registry.retrievalModuleContainer, RetrievalModuleGui::new);
+            event.register(Registry.stackSizeModuleContainer, StackSizeModuleGui::new);
+            event.register(Registry.filterIncreaseModuleContainer, FilterIncreaseModuleGui::new);
+            event.register(Registry.craftingModuleContainer, CraftingModuleGui::new);
+            event.register(Registry.filterModifierModuleContainer, FilterModifierModuleGui::new);
         }
 
     }

src/main/java/de/ellpeck/prettypipes/Utility.java

@@ -1,12 +1,17 @@
 package de.ellpeck.prettypipes;
 
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.client.resources.language.I18n;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.IntArrayTag;
 import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.Style;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
@@ -22,6 +27,7 @@ import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.neoforged.neoforge.common.util.INBTSerializable;
 import net.neoforged.neoforge.items.IItemHandler;
+import net.neoforged.neoforge.items.ItemStackHandler;
 import net.neoforged.neoforge.items.wrapper.SidedInvWrapper;
 import org.apache.commons.lang3.tuple.Pair;
 
@@ -29,9 +35,21 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 import java.util.function.Function;
+import java.util.stream.IntStream;
 
+@SuppressWarnings("ALL")
 public final class Utility {
 
+    public static final Codec<ItemStackHandler> ITEM_STACK_HANDLER_CODEC = RecordCodecBuilder.create(builder -> builder.group(
+        Codec.INT.fieldOf("size").forGetter(h -> h.getSlots()),
+        Codec.list(ItemStack.CODEC).fieldOf("items").forGetter(h -> IntStream.range(0, h.getSlots()).mapToObj(h::getStackInSlot).toList())
+    ).apply(builder, (size, items) -> {
+        var ret = new ItemStackHandler(size);
+        for (var i = 0; i < items.size(); i++)
+            ret.setStackInSlot(i, items.get(i));
+        return ret;
+    }));
+
     public static <T extends BlockEntity> T getBlockEntity(Class<T> type, BlockGetter world, BlockPos pos) {
         var tile = world.getBlockEntity(pos);
         return type.isInstance(tile) ? (T) tile : null;
@@ -104,10 +122,10 @@ public final class Utility {
         return ItemStack.EMPTY;
     }
 
-    public static ListTag serializeAll(Collection<? extends INBTSerializable<CompoundTag>> items) {
+    public static ListTag serializeAll(HolderLookup.Provider provider, Collection<? extends INBTSerializable<CompoundTag>> items) {
         var list = new ListTag();
         for (INBTSerializable<CompoundTag> item : items)
-            list.add(item.serializeNBT());
+            list.add(item.serializeNBT(provider));
         return list;
     }
 
@@ -140,8 +158,19 @@ public final class Utility {
         return new SidedInvWrapper(inventory, direction);
     }
 
+    public static BlockPos readBlockPos(Tag tag) {
+        if (tag instanceof IntArrayTag i) {
+            int[] arr = i.getAsIntArray();
+            if (arr.length == 3)
+                return new BlockPos(arr[0], arr[1], arr[2]);
+        }
+        return null;
+    }
+
     public interface IMergeItemStack {
 
         boolean mergeItemStack(ItemStack stack, int startIndex, int endIndex, boolean reverseDirection);
+
     }
+
 }

src/main/java/de/ellpeck/prettypipes/compat/jei/CraftingModuleTransferHandler.java

@@ -4,25 +4,21 @@ import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.misc.ItemEquality;
 import de.ellpeck.prettypipes.packets.PacketCraftingModuleTransfer;
 import de.ellpeck.prettypipes.pipe.modules.craft.CraftingModuleContainer;
-import mezz.jei.api.constants.RecipeTypes;
 import mezz.jei.api.constants.VanillaTypes;
 import mezz.jei.api.gui.ingredient.IRecipeSlotsView;
 import mezz.jei.api.recipe.RecipeIngredientRole;
-import mezz.jei.api.recipe.RecipeType;
 import mezz.jei.api.recipe.transfer.IRecipeTransferError;
-import mezz.jei.api.recipe.transfer.IRecipeTransferHandler;
+import mezz.jei.api.recipe.transfer.IUniversalRecipeTransferHandler;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.inventory.MenuType;
 import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.item.crafting.CraftingRecipe;
-import net.minecraft.world.item.crafting.RecipeHolder;
 import net.neoforged.neoforge.network.PacketDistributor;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.Optional;
 
-public class CraftingModuleTransferHandler implements IRecipeTransferHandler<CraftingModuleContainer, RecipeHolder<CraftingRecipe>> {
+public class CraftingModuleTransferHandler implements IUniversalRecipeTransferHandler<CraftingModuleContainer> {
 
     @Override
     public Class<CraftingModuleContainer> getContainerClass() {
@@ -35,21 +31,16 @@ public class CraftingModuleTransferHandler implements IRecipeTransferHandler<Cra
     }
 
     @Override
-    public RecipeType<RecipeHolder<CraftingRecipe>> getRecipeType() {
-        return RecipeTypes.CRAFTING;
-    }
-
-    @Override
-    public @Nullable IRecipeTransferError transferRecipe(CraftingModuleContainer container, RecipeHolder<CraftingRecipe> recipe, IRecipeSlotsView slots, Player player, boolean maxTransfer, boolean doTransfer) {
+    public @Nullable IRecipeTransferError transferRecipe(CraftingModuleContainer container, Object recipe, IRecipeSlotsView recipeSlots, Player player, boolean maxTransfer, boolean doTransfer) {
         if (!doTransfer)
             return null;
         var inputs = new ArrayList<ItemStack>();
         var outputs = new ArrayList<ItemStack>();
-        for (var entry : slots.getSlotViews()) {
+        for (var entry : recipeSlots.getSlotViews()) {
             var allIngredients = entry.getIngredients(VanillaTypes.ITEM_STACK).toList();
             if (allIngredients.isEmpty())
                 continue;
-            var remain = allIngredients.get(0).copy();
+            var remain = allIngredients.getFirst().copy();
             var toAdd = entry.getRole() == RecipeIngredientRole.INPUT ? inputs : outputs;
             for (var stack : toAdd) {
                 if (ItemEquality.compareItems(stack, remain)) {
@@ -63,7 +54,7 @@ public class CraftingModuleTransferHandler implements IRecipeTransferHandler<Cra
             if (!remain.isEmpty())
                 toAdd.add(remain);
         }
-        PacketDistributor.SERVER.noArg().send(new PacketCraftingModuleTransfer(inputs, outputs));
+        PacketDistributor.sendToServer(new PacketCraftingModuleTransfer(inputs, outputs));
         return null;
     }
 

src/main/java/de/ellpeck/prettypipes/compat/jei/CraftingTerminalTransferHandler.java

@@ -46,8 +46,8 @@ public class CraftingTerminalTransferHandler implements IRecipeTransferHandler<C
         List<PacketGhostSlot.Entry> stacks = new ArrayList<>();
         var ingredients = slots.getSlotViews(RecipeIngredientRole.INPUT);
         for (var entry : ingredients)
-            stacks.add(new PacketGhostSlot.Entry(player.level(), entry.getIngredients(VanillaTypes.ITEM_STACK).collect(Collectors.toList())));
-        PacketDistributor.SERVER.noArg().send(new PacketGhostSlot(container.getTile().getBlockPos(), stacks));
+            stacks.add(PacketGhostSlot.Entry.fromStacks(player.level(), entry.getIngredients(VanillaTypes.ITEM_STACK).collect(Collectors.toList())));
+        PacketDistributor.sendToServer(new PacketGhostSlot(container.getTile().getBlockPos(), stacks));
         return null;
     }
 

src/main/java/de/ellpeck/prettypipes/compat/jei/JEIPrettyPipesPlugin.java

@@ -16,10 +16,10 @@ import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.renderer.Rect2i;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
+import net.neoforged.bus.api.SubscribeEvent;
+import net.neoforged.neoforge.client.event.ClientTickEvent;
 import net.neoforged.neoforge.client.event.ScreenEvent;
 import net.neoforged.neoforge.common.NeoForge;
-import net.neoforged.neoforge.event.TickEvent;
-import net.neoforged.bus.api.SubscribeEvent;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -38,7 +38,7 @@ public class JEIPrettyPipesPlugin implements IModPlugin {
 
     @Override
     public ResourceLocation getPluginUid() {
-        return new ResourceLocation(PrettyPipes.ID, "jei_plugin");
+        return ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "jei_plugin");
     }
 
     @Override
@@ -103,7 +103,7 @@ public class JEIPrettyPipesPlugin implements IModPlugin {
     }
 
     @SubscribeEvent
-    public void onClientTick(TickEvent.ClientTickEvent event) {
+    public void onClientTick(ClientTickEvent event) {
         if (!PlayerPrefs.get().syncJei)
             return;
 

src/main/java/de/ellpeck/prettypipes/entities/PipeFrameEntity.java

@@ -5,7 +5,7 @@ import de.ellpeck.prettypipes.network.PipeNetwork;
 import de.ellpeck.prettypipes.pipe.PipeBlock;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
-import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.RegistryFriendlyByteBuf;
 import net.minecraft.network.syncher.EntityDataAccessor;
 import net.minecraft.network.syncher.EntityDataSerializers;
 import net.minecraft.network.syncher.SynchedEntityData;
@@ -41,9 +41,9 @@ public class PipeFrameEntity extends ItemFrame implements IEntityWithComplexSpaw
     }
 
     @Override
-    protected void defineSynchedData() {
-        super.defineSynchedData();
-        this.entityData.define(PipeFrameEntity.AMOUNT, -1);
+    protected void defineSynchedData(SynchedEntityData.Builder pBuilder) {
+        super.defineSynchedData(pBuilder);
+        pBuilder.define(PipeFrameEntity.AMOUNT, -1);
     }
 
     @Override
@@ -154,14 +154,15 @@ public class PipeFrameEntity extends ItemFrame implements IEntityWithComplexSpaw
     }
 
     @Override
-    public void writeSpawnData(FriendlyByteBuf buffer) {
+    public void writeSpawnData(RegistryFriendlyByteBuf buffer) {
         buffer.writeBlockPos(this.pos);
         buffer.writeInt(this.direction.ordinal());
     }
 
     @Override
-    public void readSpawnData(FriendlyByteBuf additionalData) {
+    public void readSpawnData(RegistryFriendlyByteBuf additionalData) {
         this.pos = additionalData.readBlockPos();
         this.direction = Direction.values()[additionalData.readInt()];
     }
+
 }

src/main/java/de/ellpeck/prettypipes/items/ModuleItem.java

@@ -13,12 +13,10 @@ import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.TooltipFlag;
-import net.minecraft.world.level.Level;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.api.distmarker.OnlyIn;
 import net.neoforged.neoforge.items.IItemHandler;
 
-import javax.annotation.Nullable;
 import java.util.Collections;
 import java.util.List;
 import java.util.Stack;
@@ -28,16 +26,16 @@ public abstract class ModuleItem extends Item implements IModule {
 
     private final String name;
 
-    public ModuleItem(String name) {
-        super(new Properties().stacksTo(16));
+    public ModuleItem(String name, Item.Properties properties) {
+        super(properties.stacksTo(16));
         this.name = name;
     }
 
     @Override
     @OnlyIn(Dist.CLIENT)
-    public void appendHoverText(ItemStack stack, @Nullable Level worldIn, List<Component> tooltip, TooltipFlag flagIn) {
-        super.appendHoverText(stack, worldIn, tooltip, flagIn);
-        Utility.addTooltip(this.name, tooltip);
+    public void appendHoverText(ItemStack pStack, TooltipContext pContext, List<Component> pTooltipComponents, TooltipFlag pTooltipFlag) {
+        super.appendHoverText(pStack, pContext, pTooltipComponents, pTooltipFlag);
+        Utility.addTooltip(this.name, pTooltipComponents);
     }
 
     @Override
@@ -109,4 +107,5 @@ public abstract class ModuleItem extends Item implements IModule {
     public DirectionSelector getDirectionSelector(ItemStack module, PipeBlockEntity tile) {
         return null;
     }
+
 }

src/main/java/de/ellpeck/prettypipes/items/PipeFrameItem.java

@@ -5,6 +5,7 @@ import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.entities.PipeFrameEntity;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.component.DataComponents;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.InteractionResult;
@@ -14,10 +15,9 @@ import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.TooltipFlag;
+import net.minecraft.world.item.component.CustomData;
 import net.minecraft.world.item.context.UseOnContext;
-import net.minecraft.world.level.Level;
 
-import javax.annotation.Nullable;
 import java.util.List;
 
 public class PipeFrameItem extends Item {
@@ -40,10 +40,9 @@ public class PipeFrameItem extends Item {
             var world = context.getLevel();
             HangingEntity hangingentity = new PipeFrameEntity(Registry.pipeFrameEntity, world, blockpos1, direction);
 
-            var compoundTag = itemstack.getTag();
-            if (compoundTag != null) {
-                EntityType.updateCustomEntityTag(world, playerentity, hangingentity, compoundTag);
-            }
+            var customdata = itemstack.getOrDefault(DataComponents.ENTITY_DATA, CustomData.EMPTY);
+            if (!customdata.isEmpty())
+                EntityType.updateCustomEntityTag(world, playerentity, hangingentity, customdata);
 
             if (hangingentity.survives()) {
                 if (!world.isClientSide) {
@@ -64,8 +63,9 @@ public class PipeFrameItem extends Item {
     }
 
     @Override
-    public void appendHoverText(ItemStack stack, @Nullable Level worldIn, List<Component> tooltip, TooltipFlag flagIn) {
-        super.appendHoverText(stack, worldIn, tooltip, flagIn);
-        Utility.addTooltip(BuiltInRegistries.ITEM.getKey(this).getPath(), tooltip);
+    public void appendHoverText(ItemStack pStack, TooltipContext pContext, List<Component> pTooltipComponents, TooltipFlag pTooltipFlag) {
+        super.appendHoverText(pStack, pContext, pTooltipComponents, pTooltipFlag);
+        Utility.addTooltip(BuiltInRegistries.ITEM.getKey(this).getPath(), pTooltipComponents);
     }
+
 }

src/main/java/de/ellpeck/prettypipes/items/WrenchItem.java

@@ -4,6 +4,7 @@ import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.pipe.ConnectionType;
 import de.ellpeck.prettypipes.pipe.PipeBlock;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
+import net.minecraft.core.Holder;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.network.chat.Component;
 import net.minecraft.sounds.SoundEvents;
@@ -17,7 +18,6 @@ import net.minecraft.world.item.context.BlockPlaceContext;
 import net.minecraft.world.item.context.UseOnContext;
 import net.minecraft.world.item.enchantment.Enchantment;
 import net.minecraft.world.item.enchantment.Enchantments;
-import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.EntityBlock;
 
@@ -107,8 +107,8 @@ public class WrenchItem extends Item {
     }
 
     @Override
-    public void appendHoverText(ItemStack stack, Level worldIn, List<Component> tooltip, TooltipFlag flagIn) {
-        Utility.addTooltip(BuiltInRegistries.ITEM.getKey(this).getPath(), tooltip);
+    public void appendHoverText(ItemStack pStack, TooltipContext pContext, List<Component> pTooltipComponents, TooltipFlag pTooltipFlag) {
+        Utility.addTooltip(BuiltInRegistries.ITEM.getKey(this).getPath(), pTooltipComponents);
     }
 
     @Override
@@ -122,7 +122,7 @@ public class WrenchItem extends Item {
     }
 
     @Override
-    public boolean canApplyAtEnchantingTable(ItemStack stack, Enchantment enchantment) {
+    public boolean supportsEnchantment(ItemStack stack, Holder<Enchantment> enchantment) {
         return enchantment == Enchantments.SILK_TOUCH;
     }
 

src/main/java/de/ellpeck/prettypipes/misc/DirectionSelector.java

@@ -1,11 +1,13 @@
 package de.ellpeck.prettypipes.misc;
 
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
 import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.packets.PacketButton;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import net.minecraft.client.gui.components.AbstractWidget;
 import net.minecraft.core.Direction;
-import net.minecraft.nbt.CompoundTag;
+import net.minecraft.core.component.DataComponentType;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.item.ItemStack;
 import net.neoforged.api.distmarker.Dist;
@@ -13,6 +15,8 @@ import net.neoforged.api.distmarker.OnlyIn;
 import net.neoforged.neoforge.client.gui.widget.ExtendedButton;
 import org.apache.commons.lang3.ArrayUtils;
 
+import java.util.List;
+
 public class DirectionSelector {
 
     private static final Direction[] ALL = ArrayUtils.addAll(Direction.values(), (Direction) null);
@@ -33,7 +37,7 @@ public class DirectionSelector {
     @OnlyIn(Dist.CLIENT)
     public AbstractWidget getButton(int x, int y) {
         return new ExtendedButton(x, y, 100, 20, Component.translatable("info." + PrettyPipes.ID + ".populate"), button ->
-                PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.DIRECTION_SELECTOR)) {
+            PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.DIRECTION_SELECTOR, List.of())) {
             @Override
             public Component getMessage() {
                 var pipe = DirectionSelector.this.pipe;
@@ -64,18 +68,13 @@ public class DirectionSelector {
         if (!this.modified)
             return;
         this.modified = false;
-
-        var tag = new CompoundTag();
-        if (this.direction != null)
-            tag.putString("direction", this.direction.getName());
-        this.stack.getOrCreateTag().put("direction_selector", tag);
+        this.stack.set(Data.TYPE, new Data(this.direction.getName()));
     }
 
     public void load() {
-        if (this.stack.hasTag()) {
-            var tag = this.stack.getTag().getCompound("direction_selector");
-            this.direction = Direction.byName(tag.getString("direction"));
-        }
+        var data = this.stack.get(Data.TYPE);
+        if (data != null)
+            this.direction = Direction.byName(data.direction);
     }
 
     public Direction[] directions() {
@@ -102,4 +101,14 @@ public class DirectionSelector {
         DirectionSelector getSelector();
 
     }
+
+    public record Data(String direction) {
+
+        public static final Codec<DirectionSelector.Data> CODEC = RecordCodecBuilder.create(i -> i.group(
+            Codec.STRING.fieldOf("direction").forGetter(f -> f.direction)
+        ).apply(i, DirectionSelector.Data::new));
+        public static final DataComponentType<DirectionSelector.Data> TYPE = DataComponentType.<DirectionSelector.Data>builder().persistent(DirectionSelector.Data.CODEC).cacheEncoding().build();
+
+    }
+
 }

src/main/java/de/ellpeck/prettypipes/misc/EquatableItemStack.java

@@ -15,6 +15,7 @@ public record EquatableItemStack(ItemStack stack, ItemEquality... equalityTypes)
 
     @Override
     public int hashCode() {
-        return Objects.hash(this.stack.getItem(), this.stack.getTag());
+        return Objects.hash(this.stack.getItem(), this.stack.getComponents());
     }
+
 }

src/main/java/de/ellpeck/prettypipes/misc/Events.java

@@ -5,7 +5,7 @@ import de.ellpeck.prettypipes.network.PipeNetwork;
 import net.minecraft.commands.Commands;
 import net.minecraft.network.chat.Component;
 import net.neoforged.bus.api.SubscribeEvent;
-import net.neoforged.fml.common.Mod;
+import net.neoforged.fml.common.EventBusSubscriber;
 import net.neoforged.neoforge.event.server.ServerStartingEvent;
 
 import java.io.IOException;
@@ -13,7 +13,7 @@ import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 
-@Mod.EventBusSubscriber
+@EventBusSubscriber
 public final class Events {
 
     @SubscribeEvent

src/main/java/de/ellpeck/prettypipes/misc/ItemEquality.java

@@ -10,7 +10,7 @@ import java.util.function.Supplier;
 public class ItemEquality {
 
     public static final ItemEquality DAMAGE = new ItemEquality((stack, filter) -> stack.getDamageValue() == filter.getDamageValue(), false, Type.DAMAGE);
-    public static final ItemEquality NBT = new ItemEquality((stack, filter) -> Objects.equals(stack.getTag(), filter.getTag()) && stack.areAttachmentsCompatible(filter), false, Type.NBT);
+    public static final ItemEquality NBT = new ItemEquality((stack, filter) -> Objects.equals(stack.getComponents(), filter.getComponents()), false, Type.NBT);
     public static final ItemEquality MOD = new ItemEquality((stack, filter) -> stack.getItem().getCreatorModId(stack).equals(filter.getItem().getCreatorModId(filter)), true, Type.MOD);
 
     public final Type type;

src/main/java/de/ellpeck/prettypipes/misc/ItemFilter.java

@@ -1,6 +1,9 @@
 package de.ellpeck.prettypipes.misc;
 
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
 import de.ellpeck.prettypipes.PrettyPipes;
+import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.packets.PacketButton;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.pipe.modules.modifier.FilterModifierModuleItem;
@@ -10,7 +13,7 @@ import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.components.Tooltip;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.core.Direction;
-import net.minecraft.nbt.CompoundTag;
+import net.minecraft.core.component.DataComponentType;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.inventory.Slot;
 import net.minecraft.world.item.ItemStack;
@@ -23,18 +26,26 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Supplier;
 
-public class ItemFilter extends ItemStackHandler {
+public class ItemFilter {
+
+    public final ItemStackHandler content;
+
+    public boolean isWhitelist;
+    public boolean canPopulateFromInventories;
+    public boolean canModifyWhitelist = true;
 
     private final ItemStack stack;
     private final PipeBlockEntity pipe;
-    public boolean isWhitelist;
 
-    public boolean canPopulateFromInventories;
-    public boolean canModifyWhitelist = true;
     private boolean modified;
 
     public ItemFilter(int size, ItemStack stack, PipeBlockEntity pipe) {
-        super(size);
+        this.content = new ItemStackHandler(size) {
+            @Override
+            protected void onContentsChanged(int slot) {
+                ItemFilter.this.modified = true;
+            }
+        };
         this.stack = stack;
         this.pipe = pipe;
         this.load();
@@ -42,8 +53,8 @@ public class ItemFilter extends ItemStackHandler {
 
     public List<Slot> getSlots(int x, int y) {
         List<Slot> slots = new ArrayList<>();
-        for (var i = 0; i < this.getSlots(); i++)
-            slots.add(new FilterSlot(this, i, x + i % 9 * 18, y + i / 9 * 18, true));
+        for (var i = 0; i < this.content.getSlots(); i++)
+            slots.add(new FilterSlot(this.content, i, x + i % 9 * 18, y + i / 9 * 18, true));
         return slots;
     }
 
@@ -53,12 +64,12 @@ public class ItemFilter extends ItemStackHandler {
         if (this.canModifyWhitelist) {
             var whitelistText = (Supplier<String>) () -> "info." + PrettyPipes.ID + "." + (this.isWhitelist ? "whitelist" : "blacklist");
             buttons.add(Button.builder(Component.translatable(whitelistText.get()), button -> {
-                PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.FILTER_CHANGE, 0);
+                PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.FILTER_CHANGE, List.of(0));
                 button.setMessage(Component.translatable(whitelistText.get()));
             }).bounds(x - 20, y, 20, 20).tooltip(Tooltip.create(Component.translatable(whitelistText.get() + ".description").withStyle(ChatFormatting.GRAY))).build());
         }
         if (this.canPopulateFromInventories) {
-            buttons.add(Button.builder(Component.translatable("info." + PrettyPipes.ID + ".populate"), button -> PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.FILTER_CHANGE, 1)).bounds(x - 42, y, 20, 20).tooltip(Tooltip.create(Component.translatable("info." + PrettyPipes.ID + ".populate.description").withStyle(ChatFormatting.GRAY))).build());
+            buttons.add(Button.builder(Component.translatable("info." + PrettyPipes.ID + ".populate"), button -> PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.FILTER_CHANGE, List.of(1))).bounds(x - 42, y, 20, 20).tooltip(Tooltip.create(Component.translatable("info." + PrettyPipes.ID + ".populate.description").withStyle(ChatFormatting.GRAY))).build());
         }
         return buttons;
     }
@@ -84,7 +95,7 @@ public class ItemFilter extends ItemStackHandler {
                     copy.setCount(1);
                     // try inserting into ourselves and any filter increase modifiers
                     for (var filter : filters) {
-                        if (ItemHandlerHelper.insertItem(filter, copy, false).isEmpty()) {
+                        if (ItemHandlerHelper.insertItem(filter.content, copy, false).isEmpty()) {
                             changed = true;
                             filter.save();
                             break;
@@ -104,9 +115,9 @@ public class ItemFilter extends ItemStackHandler {
     private boolean isFiltered(ItemStack stack, Direction direction) {
         var types = ItemFilter.getEqualityTypes(this.pipe);
         // also check if any filter increase modules have the item we need
-        for (ItemStackHandler handler : this.pipe.getFilters(direction)) {
-            for (var i = 0; i < handler.getSlots(); i++) {
-                var filter = handler.getStackInSlot(i);
+        for (ItemFilter handler : this.pipe.getFilters(direction)) {
+            for (var i = 0; i < handler.content.getSlots(); i++) {
+                var filter = handler.content.getStackInSlot(i);
                 if (filter.isEmpty())
                     continue;
                 if (ItemEquality.compareItems(stack, filter, types))
@@ -118,35 +129,20 @@ public class ItemFilter extends ItemStackHandler {
 
     public void save() {
         if (this.modified) {
-            this.stack.getOrCreateTag().put("filter", this.serializeNBT());
+            this.stack.set(Data.TYPE, new Data(this.content, this.isWhitelist));
             this.pipe.setChanged();
             this.modified = false;
         }
     }
 
     public void load() {
-        if (this.stack.hasTag())
-            this.deserializeNBT(this.stack.getTag().getCompound("filter"));
+        var content = this.stack.get(Data.TYPE);
+        if (content != null) {
+            this.content.setSize(content.items.getSlots());
+            for (var i = 0; i < this.content.getSlots(); i++)
+                this.content.setStackInSlot(i, content.items.getStackInSlot(i));
+            this.isWhitelist = content.whitelist;
         }
-
-    @Override
-    public CompoundTag serializeNBT() {
-        var nbt = super.serializeNBT();
-        if (this.canModifyWhitelist)
-            nbt.putBoolean("whitelist", this.isWhitelist);
-        return nbt;
-    }
-
-    @Override
-    public void deserializeNBT(CompoundTag nbt) {
-        super.deserializeNBT(nbt);
-        if (this.canModifyWhitelist)
-            this.isWhitelist = nbt.getBoolean("whitelist");
-    }
-
-    @Override
-    protected void onContentsChanged(int slot) {
-        this.modified = true;
     }
 
     public static ItemEquality[] getEqualityTypes(PipeBlockEntity pipe) {
@@ -165,4 +161,14 @@ public class ItemFilter extends ItemStackHandler {
 
     }
 
+    public record Data(ItemStackHandler items, boolean whitelist) {
+
+        public static final Codec<Data> CODEC = RecordCodecBuilder.create(i -> i.group(
+            Utility.ITEM_STACK_HANDLER_CODEC.fieldOf("items").forGetter(f -> f.items),
+            Codec.BOOL.fieldOf("whitelist").forGetter(f -> f.whitelist)
+        ).apply(i, Data::new));
+        public static final DataComponentType<Data> TYPE = DataComponentType.<Data>builder().persistent(Data.CODEC).cacheEncoding().build();
+
+    }
+
 }

src/main/java/de/ellpeck/prettypipes/misc/ModuleClearingRecipe.java

@@ -1,9 +1,7 @@
 package de.ellpeck.prettypipes.misc;
 
 import de.ellpeck.prettypipes.items.IModule;
-import net.minecraft.core.RegistryAccess;
-import net.minecraft.resources.ResourceLocation;
-import net.minecraft.world.inventory.CraftingContainer;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.crafting.*;
 import net.minecraft.world.level.Level;
@@ -17,9 +15,10 @@ public class ModuleClearingRecipe extends CustomRecipe {
     }
 
     @Override
-    public boolean matches(CraftingContainer container, Level level) {
+    public boolean matches(CraftingInput container, Level level) {
         var foundModule = false;
-        for (var stack : container.getItems()) {
+        for (var i = 0; i < container.size(); i++) {
+            var stack = container.getItem(i);
             if (!foundModule && stack.getItem() instanceof IModule) {
                 foundModule = true;
             } else if (!stack.isEmpty()) {
@@ -30,11 +29,13 @@ public class ModuleClearingRecipe extends CustomRecipe {
     }
 
     @Override
-    public ItemStack assemble(CraftingContainer container, RegistryAccess access) {
-        var module = container.getItems().stream().filter(i -> i.getItem() instanceof IModule).findFirst().orElse(ItemStack.EMPTY);
-        if (!module.isEmpty())
-            module = new ItemStack(module.getItem());
-        return module;
+    public ItemStack assemble(CraftingInput container, HolderLookup.Provider pRegistries) {
+        for (var i = 0; i < container.size(); i++) {
+            var stack = container.getItem(i);
+            if (stack.getItem() instanceof IModule)
+                return new ItemStack(stack.getItem());
+        }
+        return ItemStack.EMPTY;
     }
 
     @Override

src/main/java/de/ellpeck/prettypipes/misc/PlayerPrefs.java

@@ -50,4 +50,5 @@ public class PlayerPrefs {
         var location = Minecraft.getInstance().gameDirectory;
         return new File(location, PrettyPipes.ID + "prefs");
     }
+
 }

src/main/java/de/ellpeck/prettypipes/network/NetworkEdge.java

@@ -1,6 +1,8 @@
 package de.ellpeck.prettypipes.network;
 
+import de.ellpeck.prettypipes.Utility;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.NbtUtils;
@@ -18,20 +20,20 @@ public class NetworkEdge extends DefaultWeightedEdge implements INBTSerializable
     public NetworkEdge() {
     }
 
-    public NetworkEdge(CompoundTag nbt) {
-        this.deserializeNBT(nbt);
+    public NetworkEdge(HolderLookup.Provider provider, CompoundTag nbt) {
+        this.deserializeNBT(provider, nbt);
     }
 
     public BlockPos getStartPipe() {
-        return this.pipes.get(0);
+        return this.pipes.getFirst();
     }
 
     public BlockPos getEndPipe() {
-        return this.pipes.get(this.pipes.size() - 1);
+        return this.pipes.getLast();
     }
 
     @Override
-    public CompoundTag serializeNBT() {
+    public CompoundTag serializeNBT(HolderLookup.Provider provider) {
         var nbt = new CompoundTag();
         var list = new ListTag();
         for (var pos : this.pipes)
@@ -41,10 +43,11 @@ public class NetworkEdge extends DefaultWeightedEdge implements INBTSerializable
     }
 
     @Override
-    public void deserializeNBT(CompoundTag nbt) {
+    public void deserializeNBT(HolderLookup.Provider provider, CompoundTag nbt) {
         this.pipes.clear();
         var list = nbt.getList("pipes", Tag.TAG_COMPOUND);
-        for (var i = 0; i < list.size(); i++)
-            this.pipes.add(NbtUtils.readBlockPos(list.getCompound(i)));
+        for (var tag : list)
+            this.pipes.add(Utility.readBlockPos(tag));
     }
+
 }

src/main/java/de/ellpeck/prettypipes/network/NetworkLocation.java

@@ -3,6 +3,7 @@ package de.ellpeck.prettypipes.network;
 import de.ellpeck.prettypipes.misc.ItemEquality;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.NbtUtils;
 import net.minecraft.world.item.ItemStack;
@@ -28,8 +29,8 @@ public class NetworkLocation implements INBTSerializable<CompoundTag> {
         this.direction = direction;
     }
 
-    public NetworkLocation(CompoundTag nbt) {
-        this.deserializeNBT(nbt);
+    public NetworkLocation(HolderLookup.Provider provider, CompoundTag nbt) {
+        this.deserializeNBT(provider, nbt);
     }
 
     public List<Integer> getStackSlots(Level world, ItemStack stack, ItemEquality... equalityTypes) {
@@ -91,7 +92,7 @@ public class NetworkLocation implements INBTSerializable<CompoundTag> {
     }
 
     @Override
-    public CompoundTag serializeNBT() {
+    public CompoundTag serializeNBT(HolderLookup.Provider provider) {
         var nbt = new CompoundTag();
         nbt.put("pipe_pos", NbtUtils.writeBlockPos(this.pipePos));
         nbt.putInt("direction", this.direction.ordinal());
@@ -99,8 +100,9 @@ public class NetworkLocation implements INBTSerializable<CompoundTag> {
     }
 
     @Override
-    public void deserializeNBT(CompoundTag nbt) {
-        this.pipePos = NbtUtils.readBlockPos(nbt.getCompound("pipe_pos"));
+    public void deserializeNBT(HolderLookup.Provider provider, CompoundTag nbt) {
+        this.pipePos = NbtUtils.readBlockPos(nbt, "pipe_pos").orElse(null);
         this.direction = Direction.values()[nbt.getInt("direction")];
     }
+
 }

src/main/java/de/ellpeck/prettypipes/network/NetworkLock.java

@@ -1,5 +1,6 @@
 package de.ellpeck.prettypipes.network;
 
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.world.item.ItemStack;
 import net.neoforged.neoforge.common.util.INBTSerializable;
@@ -20,24 +21,24 @@ public class NetworkLock implements INBTSerializable<CompoundTag> {
         this.stack = stack;
     }
 
-    public NetworkLock(CompoundTag nbt) {
-        this.deserializeNBT(nbt);
+    public NetworkLock(HolderLookup.Provider provider, CompoundTag nbt) {
+        this.deserializeNBT(provider, nbt);
     }
 
     @Override
-    public CompoundTag serializeNBT() {
+    public CompoundTag serializeNBT(HolderLookup.Provider provider) {
         var nbt = new CompoundTag();
         nbt.putUUID("id", this.lockId);
-        nbt.put("location", this.location.serializeNBT());
-        nbt.put("stack", this.stack.save(new CompoundTag()));
+        nbt.put("location", this.location.serializeNBT(provider));
+        nbt.put("stack", this.stack.save(provider));
         return nbt;
     }
 
     @Override
-    public void deserializeNBT(CompoundTag nbt) {
+    public void deserializeNBT(HolderLookup.Provider provider, CompoundTag nbt) {
         this.lockId = nbt.getUUID("id");
-        this.location = new NetworkLocation(nbt.getCompound("location"));
-        this.stack = ItemStack.of(nbt.getCompound("stack"));
+        this.location = new NetworkLocation(provider, nbt.getCompound("location"));
+        this.stack = ItemStack.parseOptional(provider, nbt.getCompound("stack"));
     }
 
     @Override
@@ -56,4 +57,5 @@ public class NetworkLock implements INBTSerializable<CompoundTag> {
     public String toString() {
         return "NetworkLock{" + "location=" + this.location.pipePos + ", stack=" + this.stack + '}';
     }
+
 }

src/main/java/de/ellpeck/prettypipes/network/PipeItem.java

@@ -8,6 +8,7 @@ import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.MultiBufferSource;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.NbtUtils;
@@ -33,7 +34,7 @@ import java.util.function.Consumer;
 
 public class PipeItem implements IPipeItem {
 
-    public static final ResourceLocation TYPE = new ResourceLocation(PrettyPipes.ID, "pipe_item");
+    public static final ResourceLocation TYPE = ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "pipe_item");
 
     public ItemStack stack;
     public float speed;
@@ -63,10 +64,10 @@ public class PipeItem implements IPipeItem {
         this(PipeItem.TYPE, stack, speed);
     }
 
-    public PipeItem(ResourceLocation type, CompoundTag nbt) {
+    public PipeItem(HolderLookup.Provider provider, ResourceLocation type, CompoundTag nbt) {
         this.type = type;
         this.path = new ArrayList<>();
-        this.deserializeNBT(nbt);
+        this.deserializeNBT(provider, nbt);
     }
 
     @Override
@@ -221,12 +222,12 @@ public class PipeItem implements IPipeItem {
     }
 
     protected BlockPos getStartPipe() {
-        return this.path.get(0);
+        return this.path.getFirst();
     }
 
     @Override
     public BlockPos getDestPipe() {
-        return this.path.get(this.path.size() - 1);
+        return this.path.getLast();
     }
 
     @Override
@@ -240,10 +241,10 @@ public class PipeItem implements IPipeItem {
     }
 
     @Override
-    public CompoundTag serializeNBT() {
+    public CompoundTag serializeNBT(HolderLookup.Provider provider) {
         var nbt = new CompoundTag();
         nbt.putString("type", this.type.toString());
-        nbt.put("stack", this.stack.save(new CompoundTag()));
+        nbt.put("stack", this.stack.save(provider));
         nbt.putFloat("speed", this.speed);
         nbt.put("start_inv", NbtUtils.writeBlockPos(this.startInventory));
         nbt.put("dest_inv", NbtUtils.writeBlockPos(this.destInventory));
@@ -261,12 +262,12 @@ public class PipeItem implements IPipeItem {
     }
 
     @Override
-    public void deserializeNBT(CompoundTag nbt) {
-        this.stack = ItemStack.of(nbt.getCompound("stack"));
+    public void deserializeNBT(HolderLookup.Provider provider, CompoundTag nbt) {
+        this.stack = ItemStack.parseOptional(provider, nbt.getCompound("stack"));
         this.speed = nbt.getFloat("speed");
-        this.startInventory = NbtUtils.readBlockPos(nbt.getCompound("start_inv"));
-        this.destInventory = NbtUtils.readBlockPos(nbt.getCompound("dest_inv"));
-        this.currGoalPos = NbtUtils.readBlockPos(nbt.getCompound("curr_goal"));
+        this.startInventory = NbtUtils.readBlockPos(nbt, "start_inv").orElse(null);
+        this.destInventory = NbtUtils.readBlockPos(nbt, "dest_inv").orElse(null);
+        this.currGoalPos = NbtUtils.readBlockPos(nbt, "curr_goal").orElse(null);
         this.retryOnObstruction = nbt.getBoolean("drop_on_obstruction");
         this.currentTile = nbt.getInt("tile");
         this.x = nbt.getFloat("x");
@@ -274,8 +275,8 @@ public class PipeItem implements IPipeItem {
         this.z = nbt.getFloat("z");
         this.path.clear();
         var list = nbt.getList("path", Tag.TAG_COMPOUND);
-        for (var i = 0; i < list.size(); i++)
-            this.path.add(NbtUtils.readBlockPos(list.getCompound(i)));
+        for (var tag : list)
+            this.path.add(Utility.readBlockPos(tag));
     }
 
     @Override
@@ -344,7 +345,7 @@ public class PipeItem implements IPipeItem {
             // add the single pipe twice if there's only one
             // this is a dirty hack, but it works fine so eh
             for (var i = 0; i < 2; i++)
-                ret.add(nodes.get(0));
+                ret.add(nodes.getFirst());
             return ret;
         }
         for (var i = 0; i < nodes.size() - 1; i++) {
@@ -368,4 +369,5 @@ public class PipeItem implements IPipeItem {
         }
         return ret;
     }
+
 }

src/main/java/de/ellpeck/prettypipes/network/PipeNetwork.java

@@ -12,12 +12,14 @@ import de.ellpeck.prettypipes.pipe.PipeBlock;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.NbtUtils;
 import net.minecraft.nbt.Tag;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.saveddata.SavedData;
@@ -60,17 +62,17 @@ public class PipeNetwork extends SavedData implements GraphListener<BlockPos, Ne
         this.dijkstra = new DijkstraShortestPath<>(this.graph);
     }
 
-    public PipeNetwork(CompoundTag nbt) {
+    public PipeNetwork(CompoundTag nbt, HolderLookup.Provider provider) {
         this();
         var nodes = nbt.getList("nodes", Tag.TAG_COMPOUND);
-        for (var i = 0; i < nodes.size(); i++)
-            this.graph.addVertex(NbtUtils.readBlockPos(nodes.getCompound(i)));
+        for (var node : nodes)
+            this.graph.addVertex(Utility.readBlockPos(node));
         var edges = nbt.getList("edges", Tag.TAG_COMPOUND);
         for (var i = 0; i < edges.size(); i++)
-            this.addEdge(new NetworkEdge(edges.getCompound(i)));
-        for (var item : Utility.deserializeAll(nbt.getList("items", Tag.TAG_COMPOUND), IPipeItem::load))
+            this.addEdge(new NetworkEdge(provider, edges.getCompound(i)));
+        for (var item : Utility.deserializeAll(nbt.getList("items", Tag.TAG_COMPOUND), i -> IPipeItem.load(provider, i)))
             this.pipeItems.put(item.getCurrentPipe(), item);
-        for (var lock : Utility.deserializeAll(nbt.getList("locks", Tag.TAG_COMPOUND), NetworkLock::new))
+        for (var lock : Utility.deserializeAll(nbt.getList("locks", Tag.TAG_COMPOUND), t -> new NetworkLock(provider, t)))
             this.createNetworkLock(lock);
     }
 
@@ -108,17 +110,17 @@ public class PipeNetwork extends SavedData implements GraphListener<BlockPos, Ne
     }
 
     @Override
-    public CompoundTag save(CompoundTag nbt) {
+    public CompoundTag save(CompoundTag nbt, HolderLookup.Provider provider) {
         var nodes = new ListTag();
         for (var node : this.graph.vertexSet())
             nodes.add(NbtUtils.writeBlockPos(node));
         nbt.put("nodes", nodes);
         var edges = new ListTag();
         for (var edge : this.graph.edgeSet())
-            edges.add(edge.serializeNBT());
+            edges.add(edge.serializeNBT(provider));
         nbt.put("edges", edges);
-        nbt.put("items", Utility.serializeAll(this.pipeItems.values()));
-        nbt.put("locks", Utility.serializeAll(this.networkLocks.values()));
+        nbt.put("items", Utility.serializeAll(provider, this.pipeItems.values()));
+        nbt.put("locks", Utility.serializeAll(provider, this.networkLocks.values()));
         return nbt;
     }
 
@@ -199,7 +201,7 @@ public class PipeNetwork extends SavedData implements GraphListener<BlockPos, Ne
         var item = itemSupplier.apply(startPipe.getItemSpeed(stack));
         item.setDestination(startInventory, destInventory, path);
         startPipe.addNewItem(item);
-        PacketDistributor.TRACKING_CHUNK.with(this.level.getChunkAt(startPipePos)).send(new PacketItemEnterPipe(startPipePos, item));
+        PacketDistributor.sendToPlayersTrackingChunk((ServerLevel) this.level, new ChunkPos(startPipePos), new PacketItemEnterPipe(startPipePos, item.serializeNBT(this.level.registryAccess())));
         return true;
     }
 

src/main/java/de/ellpeck/prettypipes/packets/PacketButton.java

@@ -13,8 +13,10 @@ import de.ellpeck.prettypipes.terminal.CraftingTerminalBlockEntity;
 import de.ellpeck.prettypipes.terminal.ItemTerminalBlockEntity;
 import net.minecraft.client.Minecraft;
 import net.minecraft.core.BlockPos;
-import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.RegistryFriendlyByteBuf;
 import net.minecraft.network.chat.Component;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.MenuProvider;
@@ -22,64 +24,50 @@ import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.inventory.AbstractContainerMenu;
 import net.neoforged.neoforge.network.PacketDistributor;
-import net.neoforged.neoforge.network.handling.PlayPayloadContext;
+import net.neoforged.neoforge.network.handling.IPayloadContext;
 import org.apache.logging.log4j.util.TriConsumer;
 
 import javax.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.List;
 
 import static de.ellpeck.prettypipes.misc.DirectionSelector.IDirectionContainer;
 
-public class PacketButton implements CustomPacketPayload {
+public record PacketButton(BlockPos pos, int result, List<Integer> data) implements CustomPacketPayload {
 
-    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "button");
+    public static final Type<PacketButton> TYPE = new Type<>(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "button"));
+    public static final StreamCodec<RegistryFriendlyByteBuf, PacketButton> CODEC = StreamCodec.composite(
+        BlockPos.STREAM_CODEC, PacketButton::pos,
+        ByteBufCodecs.INT, PacketButton::result,
+        ByteBufCodecs.collection(ArrayList::new, ByteBufCodecs.INT), PacketButton::data,
+        PacketButton::new);
 
-    private final BlockPos pos;
-    private final ButtonResult result;
-    private final int[] data;
-
-    public PacketButton(BlockPos pos, ButtonResult result, int... data) {
-        this.pos = pos;
-        this.result = result;
-        this.data = data;
-    }
-
-    public PacketButton(FriendlyByteBuf buf) {
-        this.pos = buf.readBlockPos();
-        this.result = ButtonResult.values()[buf.readByte()];
-        this.data = buf.readVarIntArray();
+    public PacketButton(BlockPos pos, ButtonResult result, List<Integer> data) {
+        this(pos, result.ordinal(), data);
     }
 
     @Override
-    public void write(FriendlyByteBuf buf) {
-        buf.writeBlockPos(this.pos);
-        buf.writeByte(this.result.ordinal());
-        buf.writeVarIntArray(this.data);
+    public Type<? extends CustomPacketPayload> type() {
+        return PacketButton.TYPE;
     }
 
-    @Override
-    public ResourceLocation id() {
-        return PacketButton.ID;
+    public static void onMessage(PacketButton message, IPayloadContext ctx) {
+        var player = ctx.player();
+        ButtonResult.values()[message.result].action.accept(message.pos, message.data, player);
     }
 
-    public static void onMessage(PacketButton message, PlayPayloadContext ctx) {
-        ctx.workHandler().execute(() -> {
-            var player = ctx.player().orElseThrow();
-            message.result.action.accept(message.pos, message.data, player);
-        });
-    }
-
-    public static void sendAndExecute(BlockPos pos, ButtonResult result, int... data) {
-        PacketDistributor.SERVER.noArg().send(new PacketButton(pos, result, data));
+    public static void sendAndExecute(BlockPos pos, ButtonResult result, List<Integer> data) {
+        PacketDistributor.sendToServer(new PacketButton(pos, result, data));
         result.action.accept(pos, data, Minecraft.getInstance().player);
     }
 
     public enum ButtonResult {
         PIPE_TAB((pos, data, player) -> {
             var tile = Utility.getBlockEntity(PipeBlockEntity.class, player.level(), pos);
-            if (data[0] < 0) {
+            if (data.getFirst() < 0) {
                 player.openMenu(tile, pos);
             } else {
-                var stack = tile.modules.getStackInSlot(data[0]);
+                var stack = tile.modules.getStackInSlot(data.getFirst());
                 player.openMenu(new MenuProvider() {
                     @Override
                     public Component getDisplayName() {
@@ -89,30 +77,32 @@ public class PacketButton implements CustomPacketPayload {
                     @Nullable
                     @Override
                     public AbstractContainerMenu createMenu(int windowId, Inventory inv, Player player) {
-                        return ((IModule) stack.getItem()).getContainer(stack, tile, windowId, inv, player, data[0]);
+                        return ((IModule) stack.getItem()).getContainer(stack, tile, windowId, inv, player, data.getFirst());
                     }
 
                 }, buf -> {
                     buf.writeBlockPos(pos);
-                    buf.writeInt(data[0]);
+                    buf.writeInt(data.getFirst());
                 });
             }
         }),
         FILTER_CHANGE((pos, data, player) -> {
             if (player.containerMenu instanceof IFilteredContainer filtered)
-                filtered.getFilter().onButtonPacket(filtered, data[0]);
+                filtered.getFilter().onButtonPacket(filtered, data.getFirst());
         }),
         STACK_SIZE_MODULE_BUTTON((pos, data, player) -> {
             var container = (AbstractPipeContainer<?>) player.containerMenu;
-            StackSizeModuleItem.setLimitToMaxStackSize(container.moduleStack, !StackSizeModuleItem.getLimitToMaxStackSize(container.moduleStack));
+            var moduleData = container.moduleStack.getOrDefault(StackSizeModuleItem.Data.TYPE, StackSizeModuleItem.Data.DEFAULT);
+            container.moduleStack.set(StackSizeModuleItem.Data.TYPE, new StackSizeModuleItem.Data(moduleData.maxStackSize(), !moduleData.limitToMaxStackSize()));
         }),
         STACK_SIZE_AMOUNT((pos, data, player) -> {
             var container = (AbstractPipeContainer<?>) player.containerMenu;
-            StackSizeModuleItem.setMaxStackSize(container.moduleStack, data[0]);
+            var moduleData = container.moduleStack.getOrDefault(StackSizeModuleItem.Data.TYPE, StackSizeModuleItem.Data.DEFAULT);
+            container.moduleStack.set(StackSizeModuleItem.Data.TYPE, new StackSizeModuleItem.Data(data.getFirst(), moduleData.limitToMaxStackSize()));
         }),
         CRAFT_TERMINAL_REQUEST((pos, data, player) -> {
             var tile = Utility.getBlockEntity(CraftingTerminalBlockEntity.class, player.level(), pos);
-            tile.requestCraftingItems(player, data[0], data[1] > 0);
+            tile.requestCraftingItems(player, data.getFirst(), data.get(1) > 0);
         }),
         CANCEL_CRAFTING((pos, data, player) -> {
             var tile = Utility.getBlockEntity(ItemTerminalBlockEntity.class, player.level(), pos);
@@ -120,16 +110,16 @@ public class PacketButton implements CustomPacketPayload {
         }),
         TAG_FILTER((pos, data, player) -> {
             var container = (FilterModifierModuleContainer) player.containerMenu;
-            FilterModifierModuleItem.setFilterTag(container.moduleStack, container.getTags().get(data[0]));
+            FilterModifierModuleItem.setFilterTag(container.moduleStack, container.getTags().get(data.getFirst()));
         }),
         DIRECTION_SELECTOR((pos, data, player) -> {
             if (player.containerMenu instanceof IDirectionContainer filtered)
                 filtered.getSelector().onButtonPacket();
         });
 
-        public final TriConsumer<BlockPos, int[], Player> action;
+        public final TriConsumer<BlockPos, List<Integer>, Player> action;
 
-        ButtonResult(TriConsumer<BlockPos, int[], Player> action) {
+        ButtonResult(TriConsumer<BlockPos, List<Integer>, Player> action) {
             this.action = action;
         }
     }

src/main/java/de/ellpeck/prettypipes/packets/PacketCraftingModuleTransfer.java

@@ -2,63 +2,40 @@ package de.ellpeck.prettypipes.packets;
 
 import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.pipe.modules.craft.CraftingModuleContainer;
-import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
 import net.neoforged.neoforge.items.ItemHandlerHelper;
 import net.neoforged.neoforge.items.ItemStackHandler;
-import net.neoforged.neoforge.network.handling.PlayPayloadContext;
+import net.neoforged.neoforge.network.handling.IPayloadContext;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class PacketCraftingModuleTransfer implements CustomPacketPayload {
+public record PacketCraftingModuleTransfer(List<ItemStack> inputs, List<ItemStack> outputs) implements CustomPacketPayload {
 
-    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "crafting_module_transfer");
-
-    private final List<ItemStack> inputs;
-    private final List<ItemStack> outputs;
-
-    public PacketCraftingModuleTransfer(List<ItemStack> inputs, List<ItemStack> outputs) {
-        this.inputs = inputs;
-        this.outputs = outputs;
-    }
-
-    public PacketCraftingModuleTransfer(FriendlyByteBuf buf) {
-        this.inputs = new ArrayList<>();
-        for (var i = buf.readInt(); i > 0; i--)
-            this.inputs.add(buf.readItem());
-        this.outputs = new ArrayList<>();
-        for (var i = buf.readInt(); i > 0; i--)
-            this.outputs.add(buf.readItem());
-    }
+    public static final Type<PacketCraftingModuleTransfer> TYPE = new Type<>(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "crafting_module_transfer"));
+    public static final StreamCodec<RegistryFriendlyByteBuf, PacketCraftingModuleTransfer> CODEC = StreamCodec.composite(
+        ByteBufCodecs.collection(ArrayList::new, ItemStack.STREAM_CODEC), PacketCraftingModuleTransfer::inputs,
+        ByteBufCodecs.collection(ArrayList::new, ItemStack.STREAM_CODEC), PacketCraftingModuleTransfer::outputs,
+        PacketCraftingModuleTransfer::new);
 
     @Override
-    public void write(FriendlyByteBuf buf) {
-        buf.writeInt(this.inputs.size());
-        for (var stack : this.inputs)
-            buf.writeItem(stack);
-        buf.writeInt(this.outputs.size());
-        for (var stack : this.outputs)
-            buf.writeItem(stack);
+    public Type<? extends CustomPacketPayload> type() {
+        return PacketCraftingModuleTransfer.TYPE;
     }
 
-    @Override
-    public ResourceLocation id() {
-        return PacketCraftingModuleTransfer.ID;
-    }
-
-    public static void onMessage(PacketCraftingModuleTransfer message, PlayPayloadContext ctx) {
-        ctx.workHandler().execute(() -> {
-            var player = ctx.player().orElseThrow();
+    public static void onMessage(PacketCraftingModuleTransfer message, IPayloadContext ctx) {
+        var player = ctx.player();
         if (player.containerMenu instanceof CraftingModuleContainer container) {
             PacketCraftingModuleTransfer.copy(container.input, message.inputs);
             PacketCraftingModuleTransfer.copy(container.output, message.outputs);
             container.modified = true;
             container.broadcastChanges();
         }
-        });
     }
 
     private static void copy(ItemStackHandler container, List<ItemStack> contents) {

src/main/java/de/ellpeck/prettypipes/packets/PacketGhostSlot.java

@@ -7,7 +7,9 @@ import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.terminal.CraftingTerminalBlockEntity;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.registries.Registries;
-import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.TagKey;
@@ -15,78 +17,45 @@ import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.Items;
 import net.minecraft.world.level.Level;
-import net.neoforged.neoforge.network.handling.PlayPayloadContext;
+import net.neoforged.neoforge.network.handling.IPayloadContext;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 
-public class PacketGhostSlot implements CustomPacketPayload {
+public record PacketGhostSlot(BlockPos pos, List<Entry> stacks) implements CustomPacketPayload {
 
-    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "ghost_slot");
-
-    private final BlockPos pos;
-    private final List<Entry> stacks;
-
-    public PacketGhostSlot(BlockPos pos, List<Entry> stacks) {
-        this.pos = pos;
-        this.stacks = stacks;
-    }
-
-    public PacketGhostSlot(FriendlyByteBuf buf) {
-        this.pos = buf.readBlockPos();
-        this.stacks = new ArrayList<>();
-        for (var i = buf.readInt(); i > 0; i--)
-            this.stacks.add(new Entry(buf));
-    }
+    public static final Type<PacketGhostSlot> TYPE = new Type<>(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "ghost_slot"));
+    public static final StreamCodec<RegistryFriendlyByteBuf, PacketGhostSlot> CODEC = StreamCodec.composite(
+        BlockPos.STREAM_CODEC, PacketGhostSlot::pos,
+        ByteBufCodecs.collection(ArrayList::new, Entry.CODEC), PacketGhostSlot::stacks,
+        PacketGhostSlot::new);
 
     @Override
-    public void write(FriendlyByteBuf buf) {
-        buf.writeBlockPos(this.pos);
-        buf.writeInt(this.stacks.size());
-        for (var entry : this.stacks)
-            entry.write(buf);
+    public Type<? extends CustomPacketPayload> type() {
+        return PacketGhostSlot.TYPE;
     }
 
-    @Override
-    public ResourceLocation id() {
-        return PacketGhostSlot.ID;
-    }
-
-    public static void onMessage(PacketGhostSlot message, PlayPayloadContext ctx) {
-        ctx.workHandler().execute(() -> {
-            var player = ctx.player().orElseThrow();
+    public static void onMessage(PacketGhostSlot message, IPayloadContext ctx) {
+        var player = ctx.player();
         var tile = Utility.getBlockEntity(CraftingTerminalBlockEntity.class, player.level(), message.pos);
         if (tile != null)
             tile.setGhostItems(message.stacks);
-        });
     }
 
-    public static class Entry {
+    public record Entry(List<ItemStack> stacks, TagKey<Item> tag) {
 
-        private final List<ItemStack> stacks;
-        private final TagKey<Item> tag;
+        public static final StreamCodec<RegistryFriendlyByteBuf, Entry> CODEC = StreamCodec.composite(
+            ByteBufCodecs.collection(ArrayList::new, ItemStack.STREAM_CODEC), Entry::stacks,
+            ByteBufCodecs.fromCodec(TagKey.codec(Registries.ITEM)), Entry::tag,
+            Entry::new);
 
-        public Entry(Level level, List<ItemStack> stacks) {
+        public static Entry fromStacks(Level level, List<ItemStack> stacks) {
             var tag = Entry.getTagForStacks(level, stacks);
             if (tag != null) {
-                this.stacks = null;
-                this.tag = tag;
+                return new Entry(null, tag);
             } else {
-                this.stacks = stacks;
-                this.tag = null;
-            }
-        }
-
-        public Entry(FriendlyByteBuf buf) {
-            if (buf.readBoolean()) {
-                this.tag = null;
-                this.stacks = new ArrayList<>();
-                for (var i = buf.readInt(); i > 0; i--)
-                    this.stacks.add(buf.readItem());
-            } else {
-                this.stacks = null;
-                this.tag = TagKey.create(Registries.ITEM, new ResourceLocation(buf.readUtf()));
+                return new Entry(stacks, null);
             }
         }
 
@@ -98,18 +67,6 @@ public class PacketGhostSlot implements CustomPacketPayload {
                 .map(h -> new ItemStack(h.value())).collect(Collectors.toList());
         }
 
-        public void write(FriendlyByteBuf buf) {
-            if (this.stacks != null) {
-                buf.writeBoolean(true);
-                buf.writeInt(this.stacks.size());
-                for (var stack : this.stacks)
-                    buf.writeItem(stack);
-            } else {
-                buf.writeBoolean(false);
-                buf.writeUtf(this.tag.location().toString());
-            }
-        }
-
         private static TagKey<Item> getTagForStacks(Level level, List<ItemStack> stacks) {
             return level.registryAccess().registry(Registries.ITEM).orElseThrow().getTags().filter(e -> {
                 var tag = e.getSecond();

src/main/java/de/ellpeck/prettypipes/packets/PacketItemEnterPipe.java

@@ -7,49 +7,34 @@ import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import net.minecraft.client.Minecraft;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
-import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
-import net.neoforged.neoforge.network.handling.PlayPayloadContext;
+import net.neoforged.neoforge.network.handling.IPayloadContext;
 
-public class PacketItemEnterPipe implements CustomPacketPayload {
+public record PacketItemEnterPipe(BlockPos tilePos, CompoundTag item) implements CustomPacketPayload {
 
-    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "item_enter_pipe");
-
-    private final BlockPos tilePos;
-    private final CompoundTag item;
-
-    public PacketItemEnterPipe(BlockPos tilePos, IPipeItem item) {
-        this.tilePos = tilePos;
-        this.item = item.serializeNBT();
-    }
-
-    public PacketItemEnterPipe(FriendlyByteBuf buf) {
-        this.tilePos = buf.readBlockPos();
-        this.item = buf.readNbt();
-    }
+    public static final Type<PacketItemEnterPipe> TYPE = new Type<>(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "item_enter_pipe"));
+    public static final StreamCodec<RegistryFriendlyByteBuf, PacketItemEnterPipe> CODEC = StreamCodec.composite(
+        BlockPos.STREAM_CODEC, PacketItemEnterPipe::tilePos,
+        ByteBufCodecs.COMPOUND_TAG, PacketItemEnterPipe::item,
+        PacketItemEnterPipe::new);
 
     @Override
-    public void write(FriendlyByteBuf buf) {
-        buf.writeBlockPos(this.tilePos);
-        buf.writeNbt(this.item);
+    public Type<? extends CustomPacketPayload> type() {
+        return PacketItemEnterPipe.TYPE;
     }
 
-    @Override
-    public ResourceLocation id() {
-        return PacketItemEnterPipe.ID;
-    }
-
-    public static void onMessage(PacketItemEnterPipe message, PlayPayloadContext ctx) {
-        ctx.workHandler().execute(() -> {
+    public static void onMessage(PacketItemEnterPipe message, IPayloadContext ctx) {
         var mc = Minecraft.getInstance();
         if (mc.level == null)
             return;
-            var item = IPipeItem.load(message.item);
+        var item = IPipeItem.load(mc.level.registryAccess(), message.item);
         var pipe = Utility.getBlockEntity(PipeBlockEntity.class, mc.level, message.tilePos);
         if (pipe != null)
             pipe.getItems().add(item);
-        });
     }
 
 }

src/main/java/de/ellpeck/prettypipes/packets/PacketNetworkItems.java

@@ -3,76 +3,35 @@ package de.ellpeck.prettypipes.packets;
 import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.terminal.containers.ItemTerminalGui;
 import net.minecraft.client.Minecraft;
-import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
-import net.neoforged.neoforge.network.handling.PlayPayloadContext;
+import net.neoforged.neoforge.network.handling.IPayloadContext;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class PacketNetworkItems implements CustomPacketPayload {
+public record PacketNetworkItems(List<ItemStack> items, List<ItemStack> craftables, List<ItemStack> currentlyCrafting) implements CustomPacketPayload {
 
-    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "network_items");
-
-    private final List<ItemStack> items;
-    private final List<ItemStack> craftables;
-    private final List<ItemStack> currentlyCrafting;
-
-    public PacketNetworkItems(List<ItemStack> items, List<ItemStack> craftables, List<ItemStack> currentlyCrafting) {
-        this.items = items;
-        this.craftables = craftables;
-        this.currentlyCrafting = currentlyCrafting;
-    }
-
-    public PacketNetworkItems(FriendlyByteBuf buf) {
-        this.items = new ArrayList<>();
-        for (var i = buf.readVarInt(); i > 0; i--) {
-            var stack = buf.readItem();
-            stack.setCount(buf.readVarInt());
-            this.items.add(stack);
-        }
-        this.craftables = new ArrayList<>();
-        for (var i = buf.readVarInt(); i > 0; i--)
-            this.craftables.add(buf.readItem());
-        this.currentlyCrafting = new ArrayList<>();
-        for (var i = buf.readVarInt(); i > 0; i--)
-            this.currentlyCrafting.add(buf.readItem());
-    }
+    public static final Type<PacketNetworkItems> TYPE = new Type<>(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "network_items"));
+    public static final StreamCodec<RegistryFriendlyByteBuf, PacketNetworkItems> CODEC = StreamCodec.composite(
+        ByteBufCodecs.collection(ArrayList::new, ItemStack.STREAM_CODEC), PacketNetworkItems::items,
+        ByteBufCodecs.collection(ArrayList::new, ItemStack.STREAM_CODEC), PacketNetworkItems::craftables,
+        ByteBufCodecs.collection(ArrayList::new, ItemStack.STREAM_CODEC), PacketNetworkItems::currentlyCrafting,
+        PacketNetworkItems::new);
 
     @Override
-    public void write(FriendlyByteBuf buf) {
-        buf.writeVarInt(this.items.size());
-        for (var stack : this.items) {
-            var copy = stack.copy();
-            copy.setCount(1);
-            buf.writeItem(copy);
-            buf.writeVarInt(stack.getCount());
-        }
-        buf.writeVarInt(this.craftables.size());
-        for (var stack : this.craftables)
-            buf.writeItem(stack);
-        buf.writeVarInt(this.currentlyCrafting.size());
-        for (var stack : this.currentlyCrafting)
-            buf.writeItem(stack);
+    public Type<? extends CustomPacketPayload> type() {
+        return PacketNetworkItems.TYPE;
     }
 
-    @Override
-    public ResourceLocation id() {
-        return PacketNetworkItems.ID;
-    }
-
-    @SuppressWarnings("Convert2Lambda")
-    public static void onMessage(PacketNetworkItems message, PlayPayloadContext ctx) {
-        ctx.workHandler().execute(new Runnable() {
-            @Override
-            public void run() {
+    public static void onMessage(PacketNetworkItems message, IPayloadContext ctx) {
         var mc = Minecraft.getInstance();
         if (mc.screen instanceof ItemTerminalGui terminal)
             terminal.updateItemList(message.items, message.craftables, message.currentlyCrafting);
     }
-        });
-    }
 
 }

src/main/java/de/ellpeck/prettypipes/packets/PacketRequest.java

@@ -4,59 +4,39 @@ import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.terminal.ItemTerminalBlockEntity;
 import net.minecraft.core.BlockPos;
-import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
-import net.neoforged.neoforge.network.handling.PlayPayloadContext;
+import net.neoforged.neoforge.network.handling.IPayloadContext;
 
-public class PacketRequest implements CustomPacketPayload {
+public record PacketRequest(BlockPos pos, ItemStack stack, int componentsHash, int amount) implements CustomPacketPayload {
 
-    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "request");
-
-    private final BlockPos pos;
-    private final ItemStack stack;
-    private final int nbtHash;
-    private final int amount;
+    public static final Type<PacketRequest> TYPE = new Type<>(ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "request"));
+    public static final StreamCodec<RegistryFriendlyByteBuf, PacketRequest> CODEC = StreamCodec.composite(
+        BlockPos.STREAM_CODEC, PacketRequest::pos,
+        ItemStack.STREAM_CODEC, PacketRequest::stack,
+        ByteBufCodecs.INT, PacketRequest::componentsHash,
+        ByteBufCodecs.INT, PacketRequest::amount,
+        PacketRequest::new);
 
     public PacketRequest(BlockPos pos, ItemStack stack, int amount) {
-        this.pos = pos;
-        this.stack = stack;
-        this.nbtHash = stack.hasTag() ? stack.getTag().hashCode() : 0;
-        this.amount = amount;
-    }
-
-    public PacketRequest(FriendlyByteBuf buf) {
-        this.pos = buf.readBlockPos();
-        this.stack = buf.readItem();
-        this.nbtHash = buf.readVarInt();
-        this.amount = buf.readVarInt();
+        this(pos, stack, !stack.isComponentsPatchEmpty() ? stack.getComponents().hashCode() : 0, amount);
     }
 
     @Override
-    public void write(FriendlyByteBuf buf) {
-        buf.writeBlockPos(this.pos);
-        buf.writeItem(this.stack);
-        buf.writeVarInt(this.nbtHash);
-        buf.writeVarInt(this.amount);
+    public Type<? extends CustomPacketPayload> type() {
+        return PacketRequest.TYPE;
     }
 
-    @Override
-    public ResourceLocation id() {
-        return PacketRequest.ID;
-    }
-
-    @SuppressWarnings("Convert2Lambda")
-    public static void onMessage(PacketRequest message, PlayPayloadContext ctx) {
-        ctx.workHandler().execute(new Runnable() {
-            @Override
-            public void run() {
-                var player = ctx.player().orElseThrow();
+    public static void onMessage(PacketRequest message, IPayloadContext ctx) {
+        var player = ctx.player();
         var tile = Utility.getBlockEntity(ItemTerminalBlockEntity.class, player.level(), message.pos);
         message.stack.setCount(message.amount);
-                tile.requestItem(player, message.stack, message.nbtHash);
-            }
-        });
+        tile.requestItem(player, message.stack, message.componentsHash);
+
     }
 
 }

src/main/java/de/ellpeck/prettypipes/pipe/IPipeItem.java

@@ -5,6 +5,7 @@ import de.ellpeck.prettypipes.network.NetworkEdge;
 import de.ellpeck.prettypipes.network.PipeItem;
 import net.minecraft.client.renderer.MultiBufferSource;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
@@ -12,17 +13,17 @@ import net.minecraft.world.level.Level;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.api.distmarker.OnlyIn;
 import net.neoforged.neoforge.common.util.INBTSerializable;
+import org.apache.commons.lang3.function.TriFunction;
 import org.jgrapht.GraphPath;
 
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Random;
-import java.util.function.BiFunction;
 
 public interface IPipeItem extends INBTSerializable<CompoundTag> {
 
-    Map<ResourceLocation, BiFunction<ResourceLocation, CompoundTag, IPipeItem>> TYPES = new HashMap<>(
+    Map<ResourceLocation, TriFunction<HolderLookup.Provider, ResourceLocation, CompoundTag, IPipeItem>> TYPES = new HashMap<>(
         Collections.singletonMap(PipeItem.TYPE, PipeItem::new));
 
     ItemStack getContent();
@@ -44,9 +45,10 @@ public interface IPipeItem extends INBTSerializable<CompoundTag> {
     @OnlyIn(Dist.CLIENT)
     void render(PipeBlockEntity tile, PoseStack matrixStack, Random random, float partialTicks, int light, int overlay, MultiBufferSource source);
 
-    static IPipeItem load(CompoundTag nbt) {
-        var type = new ResourceLocation(nbt.getString("type"));
+    static IPipeItem load(HolderLookup.Provider provider, CompoundTag nbt) {
+        var type = ResourceLocation.parse(nbt.getString("type"));
         var func = IPipeItem.TYPES.get(type);
-        return func != null ? func.apply(type, nbt) : null;
+        return func != null ? func.apply(provider, type, nbt) : null;
     }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/PipeBlock.java

@@ -10,7 +10,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.tags.FluidTags;
 import net.minecraft.world.InteractionHand;
-import net.minecraft.world.InteractionResult;
+import net.minecraft.world.ItemInteractionResult;
 import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
@@ -77,12 +77,12 @@ public class PipeBlock extends BaseEntityBlock implements SimpleWaterloggedBlock
     }
 
     @Override
-    public InteractionResult use(BlockState state, Level worldIn, BlockPos pos, Player player, InteractionHand handIn, BlockHitResult result) {
+    public ItemInteractionResult useItemOn(ItemStack pStack, BlockState state, Level worldIn, BlockPos pos, Player player, InteractionHand handIn, BlockHitResult result) {
         var tile = Utility.getBlockEntity(PipeBlockEntity.class, worldIn, pos);
         if (tile == null)
-            return InteractionResult.PASS;
+            return ItemInteractionResult.PASS_TO_DEFAULT_BLOCK_INTERACTION;
         if (!tile.canHaveModules())
-            return InteractionResult.PASS;
+            return ItemInteractionResult.PASS_TO_DEFAULT_BLOCK_INTERACTION;
         var stack = player.getItemInHand(handIn);
         if (stack.getItem() instanceof IModule) {
             var copy = stack.copy();
@@ -90,14 +90,14 @@ public class PipeBlock extends BaseEntityBlock implements SimpleWaterloggedBlock
             var remain = ItemHandlerHelper.insertItem(tile.modules, copy, false);
             if (remain.isEmpty()) {
                 stack.shrink(1);
-                return InteractionResult.SUCCESS;
+                return ItemInteractionResult.SUCCESS;
             }
         } else if (handIn == InteractionHand.MAIN_HAND && stack.isEmpty()) {
             if (!worldIn.isClientSide)
                 player.openMenu(tile, pos);
-            return InteractionResult.SUCCESS;
+            return ItemInteractionResult.SUCCESS;
         }
-        return InteractionResult.PASS;
+        return ItemInteractionResult.PASS_TO_DEFAULT_BLOCK_INTERACTION;
     }
 
     @Override

src/main/java/de/ellpeck/prettypipes/pipe/PipeBlockEntity.java

@@ -11,6 +11,7 @@ import de.ellpeck.prettypipes.pipe.containers.MainPipeContainer;
 import de.ellpeck.prettypipes.pressurizer.PressurizerBlockEntity;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.nbt.CompoundTag;
@@ -92,60 +93,60 @@ public class PipeBlockEntity extends BlockEntity implements MenuProvider, IPipeC
     }
 
     @Override
-    public void saveAdditional(CompoundTag compound) {
-        super.saveAdditional(compound);
-        compound.put("modules", this.modules.serializeNBT());
+    public void saveAdditional(CompoundTag compound, HolderLookup.Provider provider) {
+        super.saveAdditional(compound, provider);
+        compound.put("modules", this.modules.serializeNBT(provider));
         compound.putInt("module_drop_check", this.moduleDropCheck);
-        compound.put("requests", Utility.serializeAll(this.craftIngredientRequests));
+        compound.put("requests", Utility.serializeAll(provider, this.craftIngredientRequests));
         if (this.cover != null)
             compound.put("cover", NbtUtils.writeBlockState(this.cover));
         var results = new ListTag();
         for (var triple : this.craftResultRequests) {
             var nbt = new CompoundTag();
             nbt.putLong("dest_pipe", triple.getLeft().asLong());
-            nbt.put("item", triple.getRight().save(new CompoundTag()));
+            nbt.put("item", triple.getRight().save(provider));
             results.add(nbt);
         }
         compound.put("craft_results", results);
     }
 
     @Override
-    public void load(CompoundTag compound) {
-        this.modules.deserializeNBT(compound.getCompound("modules"));
+    public void loadAdditional(CompoundTag compound, HolderLookup.Provider provider) {
+        this.modules.deserializeNBT(provider, compound.getCompound("modules"));
         this.moduleDropCheck = compound.getInt("module_drop_check");
         this.cover = compound.contains("cover") ? NbtUtils.readBlockState(this.level != null ? this.level.holderLookup(Registries.BLOCK) : BuiltInRegistries.BLOCK.asLookup(), compound.getCompound("cover")) : null;
         this.craftIngredientRequests.clear();
-        this.craftIngredientRequests.addAll(Utility.deserializeAll(compound.getList("requests", Tag.TAG_COMPOUND), NetworkLock::new));
+        this.craftIngredientRequests.addAll(Utility.deserializeAll(compound.getList("requests", Tag.TAG_COMPOUND), l -> new NetworkLock(provider, l)));
         this.craftResultRequests.clear();
         var results = compound.getList("craft_results", Tag.TAG_COMPOUND);
         for (var i = 0; i < results.size(); i++) {
             var nbt = results.getCompound(i);
             this.craftResultRequests.add(Pair.of(
                 BlockPos.of(nbt.getLong("dest_pipe")),
-                    ItemStack.of(nbt.getCompound("item"))));
+                ItemStack.parseOptional(provider, nbt.getCompound("item"))));
         }
-        super.load(compound);
+        super.loadAdditional(compound, provider);
     }
 
     @Override
-    public CompoundTag getUpdateTag() {
+    public CompoundTag getUpdateTag(HolderLookup.Provider provider) {
         // sync pipe items on load
-        var nbt = this.saveWithoutMetadata();
-        nbt.put("items", Utility.serializeAll(this.getItems()));
+        var nbt = this.saveWithoutMetadata(provider);
+        nbt.put("items", Utility.serializeAll(provider, this.getItems()));
         return nbt;
     }
 
     @Override
-    public void handleUpdateTag(CompoundTag nbt) {
-        this.load(nbt);
+    public void handleUpdateTag(CompoundTag nbt, HolderLookup.Provider provider) {
+        this.loadWithComponents(nbt, provider);
         var items = this.getItems();
         items.clear();
-        items.addAll(Utility.deserializeAll(nbt.getList("items", Tag.TAG_COMPOUND), IPipeItem::load));
+        items.addAll(Utility.deserializeAll(nbt.getList("items", Tag.TAG_COMPOUND), d -> IPipeItem.load(provider, d)));
     }
 
     @Override
-    public void onDataPacket(Connection net, ClientboundBlockEntityDataPacket pkt) {
-        this.load(pkt.getTag());
+    public void onDataPacket(Connection net, ClientboundBlockEntityDataPacket pkt, HolderLookup.Provider provider) {
+        this.loadWithComponents(pkt.getTag(), provider);
     }
 
     public List<IPipeItem> getItems() {

src/main/java/de/ellpeck/prettypipes/pipe/containers/AbstractPipeGui.java

@@ -20,7 +20,7 @@ import java.util.List;
 
 public abstract class AbstractPipeGui<T extends AbstractPipeContainer<?>> extends AbstractContainerScreen<T> {
 
-    protected static final ResourceLocation TEXTURE = new ResourceLocation(PrettyPipes.ID, "textures/gui/pipe.png");
+    protected static final ResourceLocation TEXTURE = ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "textures/gui/pipe.png");
     private final List<Tab> tabs = new ArrayList<>();
     private final ItemStack[] lastItems = new ItemStack[this.menu.tile.modules.getSlots()];
 
@@ -144,7 +144,7 @@ public abstract class AbstractPipeGui<T extends AbstractPipeContainer<?>> extend
                 return false;
             if (mouseX < this.x || mouseY < this.y || mouseX >= this.x + 28 || mouseY >= this.y + 32)
                 return false;
-            PacketDistributor.SERVER.noArg().send(new PacketButton(AbstractPipeGui.this.menu.tile.getBlockPos(), PacketButton.ButtonResult.PIPE_TAB, this.index));
+            PacketDistributor.sendToServer(new PacketButton(AbstractPipeGui.this.menu.tile.getBlockPos(), PacketButton.ButtonResult.PIPE_TAB, List.of(this.index)));
             AbstractPipeGui.this.getMinecraft().getSoundManager().play(SimpleSoundInstance.forUI(SoundEvents.UI_BUTTON_CLICK, 1));
             return true;
         }

src/main/java/de/ellpeck/prettypipes/pipe/modules/HighPriorityModuleItem.java

@@ -11,7 +11,7 @@ public class HighPriorityModuleItem extends ModuleItem {
     private final int priority;
 
     public HighPriorityModuleItem(String name, ModuleTier tier) {
-        super(name);
+        super(name, new Properties());
         this.priority = tier.forTier(50, 100, 200);
     }
 

src/main/java/de/ellpeck/prettypipes/pipe/modules/LowPriorityModuleItem.java

@@ -11,7 +11,7 @@ public class LowPriorityModuleItem extends ModuleItem {
     private final int priority;
 
     public LowPriorityModuleItem(String name, ModuleTier tier) {
-        super(name);
+        super(name, new Properties());
         this.priority = tier.forTier(-50, -100, -200);
     }
 

src/main/java/de/ellpeck/prettypipes/pipe/modules/RedstoneModuleItem.java

@@ -8,7 +8,7 @@ import net.minecraft.world.item.ItemStack;
 public class RedstoneModuleItem extends ModuleItem {
 
     public RedstoneModuleItem() {
-        super("redstone_module");
+        super("redstone_module", new Properties());
     }
 
     @Override
@@ -25,4 +25,5 @@ public class RedstoneModuleItem extends ModuleItem {
     public boolean hasContainer(ItemStack module, PipeBlockEntity tile) {
         return false;
     }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/SortingModuleItem.java

@@ -1,9 +1,12 @@
 package de.ellpeck.prettypipes.pipe.modules;
 
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.items.ModuleItem;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.component.DataComponentType;
 import net.minecraft.world.item.ItemStack;
 
 import java.util.List;
@@ -13,7 +16,7 @@ public class SortingModuleItem extends ModuleItem {
     private final Type type;
 
     public SortingModuleItem(String name, Type type) {
-        super(name);
+        super(name, new Properties());
         this.type = type;
     }
 
@@ -32,8 +35,9 @@ public class SortingModuleItem extends ModuleItem {
         switch (this.type) {
             case ROUND_ROBIN:
                 // store an ever-increasing index and choose destinations based on that
-                var next = module.hasTag() ? module.getTag().getInt("last") + 1 : 0;
-                module.getOrCreateTag().putInt("last", next);
+                var prevData = module.get(Data.TYPE);
+                var next = prevData != null ? prevData.last + 1 : 0;
+                module.set(Data.TYPE, new Data(next));
                 return next % nodes.size();
             case RANDOM:
                 return tile.getLevel().random.nextInt(nodes.size());
@@ -45,4 +49,12 @@ public class SortingModuleItem extends ModuleItem {
         ROUND_ROBIN,
         RANDOM
     }
+
+    public record Data(int last) {
+
+        public static final Codec<Data> CODEC = RecordCodecBuilder.create(i -> i.group(Codec.INT.fieldOf("last").forGetter(f -> f.last)).apply(i, Data::new));
+        public static final DataComponentType<Data> TYPE = DataComponentType.<Data>builder().persistent(Data.CODEC).cacheEncoding().build();
+
+    }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/SpeedModuleItem.java

@@ -11,7 +11,7 @@ public class SpeedModuleItem extends ModuleItem {
     private final float speedIncrease;
 
     public SpeedModuleItem(String name, ModuleTier tier) {
-        super(name);
+        super(name, new Properties());
         this.speedIncrease = tier.forTier(0.05F, 0.1F, 0.2F);
     }
 
@@ -29,4 +29,5 @@ public class SpeedModuleItem extends ModuleItem {
     public float getItemSpeedIncrease(ItemStack module, PipeBlockEntity tile) {
         return this.speedIncrease;
     }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/craft/CraftingModuleContainer.java

@@ -19,9 +19,10 @@ public class CraftingModuleContainer extends AbstractPipeContainer<CraftingModul
 
     @Override
     protected void addSlots() {
-        this.input = this.module.getInput(this.moduleStack);
+        var contents = this.moduleStack.get(CraftingModuleItem.Contents.TYPE);
+        this.input = contents.input();
         for (var i = 0; i < this.input.getSlots(); i++) {
-            this.addSlot(new FilterSlot(this.input, i, (176 - this.module.inputSlots * 18) / 2 + 1 + i % 9 * 18, 17 + 32 + i / 9 * 18, false) {
+            this.addSlot(new FilterSlot(this.input, i, (176 - this.input.getSlots() * 18) / 2 + 1 + i % 9 * 18, 17 + 32 + i / 9 * 18, false) {
                 @Override
                 public void setChanged() {
                     super.setChanged();
@@ -31,9 +32,9 @@ public class CraftingModuleContainer extends AbstractPipeContainer<CraftingModul
             });
         }
 
-        this.output = this.module.getOutput(this.moduleStack);
+        this.output = contents.output();
         for (var i = 0; i < this.output.getSlots(); i++) {
-            this.addSlot(new FilterSlot(this.output, i, (176 - this.module.outputSlots * 18) / 2 + 1 + i % 9 * 18, 85 + i / 9 * 18, false) {
+            this.addSlot(new FilterSlot(this.output, i, (176 - this.output.getSlots() * 18) / 2 + 1 + i % 9 * 18, 85 + i / 9 * 18, false) {
                 @Override
                 public void setChanged() {
                     super.setChanged();
@@ -47,6 +48,7 @@ public class CraftingModuleContainer extends AbstractPipeContainer<CraftingModul
     public void removed(Player playerIn) {
         super.removed(playerIn);
         if (this.modified)
-            this.module.save(this.input, this.output, this.moduleStack);
+            this.moduleStack.set(CraftingModuleItem.Contents.TYPE, new CraftingModuleItem.Contents(this.input, this.output));
     }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/craft/CraftingModuleItem.java

@@ -1,6 +1,9 @@
 package de.ellpeck.prettypipes.pipe.modules.craft;
 
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
 import de.ellpeck.prettypipes.Registry;
+import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.items.ModuleItem;
 import de.ellpeck.prettypipes.items.ModuleTier;
@@ -14,6 +17,7 @@ import de.ellpeck.prettypipes.terminal.CraftingTerminalBlockEntity;
 import de.ellpeck.prettypipes.terminal.ItemTerminalBlockEntity;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.component.DataComponentType;
 import net.minecraft.util.Mth;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
@@ -29,14 +33,10 @@ import java.util.function.Consumer;
 
 public class CraftingModuleItem extends ModuleItem {
 
-    public final int inputSlots;
-    public final int outputSlots;
     private final int speed;
 
     public CraftingModuleItem(String name, ModuleTier tier) {
-        super(name);
-        this.inputSlots = tier.forTier(1, 4, 9);
-        this.outputSlots = tier.forTier(1, 2, 4);
+        super(name, new Properties().component(Contents.TYPE, new Contents(new ItemStackHandler(tier.forTier(1, 4, 9)), new ItemStackHandler(tier.forTier(1, 2, 4)))));
         this.speed = tier.forTier(20, 10, 5);
     }
 
@@ -127,7 +127,7 @@ public class CraftingModuleItem extends ModuleItem {
     @Override
     public List<ItemStack> getAllCraftables(ItemStack module, PipeBlockEntity tile) {
         List<ItemStack> ret = new ArrayList<>();
-        var output = this.getOutput(module);
+        var output = module.get(Contents.TYPE).output;
         for (var i = 0; i < output.getSlots(); i++) {
             var stack = output.getStackInSlot(i);
             if (!stack.isEmpty())
@@ -141,15 +141,14 @@ public class CraftingModuleItem extends ModuleItem {
         var network = PipeNetwork.get(tile.getLevel());
         var items = network.getOrderedNetworkItems(tile.getBlockPos());
         var equalityTypes = ItemFilter.getEqualityTypes(tile);
-        var input = this.getInput(module);
+        var content = module.get(Contents.TYPE);
 
         var craftable = 0;
-        var output = this.getOutput(module);
-        for (var i = 0; i < output.getSlots(); i++) {
-            var out = output.getStackInSlot(i);
+        for (var i = 0; i < content.output.getSlots(); i++) {
+            var out = content.output.getStackInSlot(i);
             if (!out.isEmpty() && ItemEquality.compareItems(out, stack, equalityTypes)) {
                 // figure out how many crafting operations we can actually do with the input items we have in the network
-                var availableCrafts = CraftingTerminalBlockEntity.getAvailableCrafts(tile, input.getSlots(), input::getStackInSlot, k -> true, s -> items, unavailableConsumer, CraftingModuleItem.addDependency(dependencyChain, module), equalityTypes);
+                var availableCrafts = CraftingTerminalBlockEntity.getAvailableCrafts(tile, content.input.getSlots(), content.input::getStackInSlot, k -> true, s -> items, unavailableConsumer, CraftingModuleItem.addDependency(dependencyChain, module), equalityTypes);
                 if (availableCrafts > 0)
                     craftable += out.getCount() * availableCrafts;
             }
@@ -174,7 +173,7 @@ public class CraftingModuleItem extends ModuleItem {
         var craftableCrafts = Mth.ceil(craftableAmount / (float) resultAmount);
         var toCraft = Math.min(craftableCrafts, requiredCrafts);
 
-        var input = this.getInput(module);
+        var input = module.get(Contents.TYPE).input;
         for (var i = 0; i < input.getSlots(); i++) {
             var in = input.getStackInSlot(i);
             if (in.isEmpty())
@@ -195,30 +194,8 @@ public class CraftingModuleItem extends ModuleItem {
         return remain;
     }
 
-    public ItemStackHandler getInput(ItemStack module) {
-        var handler = new ItemStackHandler(this.inputSlots);
-        if (module.hasTag())
-            handler.deserializeNBT(module.getTag().getCompound("input"));
-        return handler;
-    }
-
-    public ItemStackHandler getOutput(ItemStack module) {
-        var handler = new ItemStackHandler(this.outputSlots);
-        if (module.hasTag())
-            handler.deserializeNBT(module.getTag().getCompound("output"));
-        return handler;
-    }
-
-    public void save(ItemStackHandler input, ItemStackHandler output, ItemStack module) {
-        var tag = module.getOrCreateTag();
-        if (input != null)
-            tag.put("input", input.serializeNBT());
-        if (output != null)
-            tag.put("output", output.serializeNBT());
-    }
-
     private int getResultAmountPerCraft(ItemStack module, ItemStack stack, ItemEquality... equalityTypes) {
-        var output = this.getOutput(module);
+        var output = module.get(Contents.TYPE).output;
         var resultAmount = 0;
         for (var i = 0; i < output.getSlots(); i++) {
             var out = output.getStackInSlot(i);
@@ -233,4 +210,15 @@ public class CraftingModuleItem extends ModuleItem {
         deps.push(module);
         return deps;
     }
+
+    public record Contents(ItemStackHandler input, ItemStackHandler output) {
+
+        public static final Codec<Contents> CODEC = RecordCodecBuilder.create(i -> i.group(
+            Utility.ITEM_STACK_HANDLER_CODEC.fieldOf("input").forGetter(d -> d.input),
+            Utility.ITEM_STACK_HANDLER_CODEC.fieldOf("output").forGetter(d -> d.output)
+        ).apply(i, Contents::new));
+        public static final DataComponentType<Contents> TYPE = DataComponentType.<Contents>builder().persistent(Contents.CODEC).cacheEncoding().build();
+
+    }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/extraction/ExtractionModuleItem.java

@@ -23,7 +23,7 @@ public class ExtractionModuleItem extends ModuleItem {
     public final int filterSlots;
 
     public ExtractionModuleItem(String name, ModuleTier tier) {
-        super(name);
+        super(name, new Properties());
         this.maxExtraction = tier.forTier(1, 8, 64);
         this.speed = tier.forTier(20, 15, 10);
         this.filterSlots = tier.forTier(3, 6, 9);

src/main/java/de/ellpeck/prettypipes/pipe/modules/filter/FilterIncreaseModuleItem.java

@@ -13,7 +13,7 @@ import net.minecraft.world.item.ItemStack;
 public class FilterIncreaseModuleItem extends ModuleItem {
 
     public FilterIncreaseModuleItem() {
-        super("filter_increase_modifier");
+        super("filter_increase_modifier", new Properties());
     }
 
     @Override

src/main/java/de/ellpeck/prettypipes/pipe/modules/insertion/FilterModuleGui.java

@@ -14,7 +14,7 @@ public class FilterModuleGui extends AbstractPipeGui<FilterModuleContainer> {
     @Override
     protected void init() {
         super.init();
-        var buttonsY = this.topPos + 17 + 32 + 18 * Mth.ceil(this.menu.filter.getSlots() / 9F) + 2;
+        var buttonsY = this.topPos + 17 + 32 + 18 * Mth.ceil(this.menu.filter.content.getSlots() / 9F) + 2;
         for (var widget : this.menu.filter.getButtons(this, this.leftPos + this.imageWidth - 7, buttonsY, true))
             this.addRenderableWidget(widget);
         this.addRenderableWidget(this.menu.directionSelector.getButton(this.leftPos + 7, buttonsY));

src/main/java/de/ellpeck/prettypipes/pipe/modules/insertion/FilterModuleItem.java

@@ -20,7 +20,7 @@ public class FilterModuleItem extends ModuleItem {
     private final boolean canPopulateFromInventories;
 
     public FilterModuleItem(String name, ModuleTier tier) {
-        super(name);
+        super(name, new Properties());
         this.filterSlots = tier.forTier(5, 9, 18);
         this.canPopulateFromInventories = tier.forTier(false, false, true);
     }

src/main/java/de/ellpeck/prettypipes/pipe/modules/modifier/FilterModifierModuleContainer.java

@@ -21,8 +21,8 @@ public class FilterModifierModuleContainer extends AbstractPipeContainer<FilterM
     public List<ResourceLocation> getTags() {
         Set<ResourceLocation> unsortedTags = new HashSet<>();
         for (var filter : this.tile.getFilters(null)) {
-            for (var i = 0; i < filter.getSlots(); i++) {
-                var stack = filter.getStackInSlot(i);
+            for (var i = 0; i < filter.content.getSlots(); i++) {
+                var stack = filter.content.getStackInSlot(i);
                 stack.getTags().forEach(t -> unsortedTags.add(t.location()));
             }
         }

src/main/java/de/ellpeck/prettypipes/pipe/modules/modifier/FilterModifierModuleGui.java

@@ -134,7 +134,7 @@ public class FilterModifierModuleGui extends AbstractPipeGui<FilterModifierModul
                 return false;
             if (mouseX < this.x || mouseY < this.y || mouseX >= this.x + 140 || mouseY >= this.y + 12)
                 return false;
-            PacketButton.sendAndExecute(FilterModifierModuleGui.this.menu.tile.getBlockPos(), PacketButton.ButtonResult.TAG_FILTER, FilterModifierModuleGui.this.tags.indexOf(this.tag));
+            PacketButton.sendAndExecute(FilterModifierModuleGui.this.menu.tile.getBlockPos(), PacketButton.ButtonResult.TAG_FILTER, List.of(FilterModifierModuleGui.this.tags.indexOf(this.tag)));
             FilterModifierModuleGui.this.getMinecraft().getSoundManager().play(SimpleSoundInstance.forUI(SoundEvents.UI_BUTTON_CLICK, 1));
             return true;
         }

src/main/java/de/ellpeck/prettypipes/pipe/modules/modifier/FilterModifierModuleItem.java

@@ -1,12 +1,14 @@
 package de.ellpeck.prettypipes.pipe.modules.modifier;
 
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.items.ModuleItem;
 import de.ellpeck.prettypipes.misc.ItemEquality;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
-import joptsimple.internal.Strings;
+import net.minecraft.core.component.DataComponentType;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
@@ -17,7 +19,7 @@ public class FilterModifierModuleItem extends ModuleItem {
     public final ItemEquality.Type type;
 
     public FilterModifierModuleItem(String name, ItemEquality.Type type) {
-        super(name);
+        super(name, new Properties());
         this.type = type;
     }
 
@@ -45,15 +47,21 @@ public class FilterModifierModuleItem extends ModuleItem {
     }
 
     public static ResourceLocation getFilterTag(ItemStack stack) {
-        if (!stack.hasTag())
-            return null;
-        var tag = stack.getTag().getString("filter_tag");
-        if (Strings.isNullOrEmpty(tag))
-            return null;
-        return new ResourceLocation(tag);
+        var data = stack.get(Data.TYPE);
+        return data != null && data.filterTag != null ? ResourceLocation.parse(data.filterTag) : null;
     }
 
     public static void setFilterTag(ItemStack stack, ResourceLocation tag) {
-        stack.getOrCreateTag().putString("filter_tag", tag.toString());
+        stack.set(Data.TYPE, new Data(tag.toString()));
     }
+
+    public record Data(String filterTag) {
+
+        public static final Codec<Data> CODEC = RecordCodecBuilder.create(i -> i.group(
+            Codec.STRING.fieldOf("filter_tag").forGetter(f -> f.filterTag)
+        ).apply(i, Data::new));
+        public static final DataComponentType<Data> TYPE = DataComponentType.<Data>builder().persistent(Data.CODEC).cacheEncoding().build();
+
+    }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/retrieval/RetrievalModuleItem.java

@@ -25,7 +25,7 @@ public class RetrievalModuleItem extends ModuleItem {
     public final int filterSlots;
 
     public RetrievalModuleItem(String name, ModuleTier tier) {
-        super(name);
+        super(name, new Properties());
         this.maxExtraction = tier.forTier(1, 8, 16);
         this.speed = tier.forTier(40, 20, 10);
         this.filterSlots = tier.forTier(3, 6, 9);
@@ -41,8 +41,8 @@ public class RetrievalModuleItem extends ModuleItem {
         var equalityTypes = ItemFilter.getEqualityTypes(tile);
         // loop through filters to see which items to pull
         Arrays.stream(directions).flatMap(d -> tile.getFilters(d).stream()).distinct().forEach(f -> {
-            for (var i = 0; i < f.getSlots(); i++) {
-                var filtered = f.getStackInSlot(i);
+            for (var i = 0; i < f.content.getSlots(); i++) {
+                var filtered = f.content.getStackInSlot(i);
                 if (filtered.isEmpty())
                     continue;
                 var copy = filtered.copy();

src/main/java/de/ellpeck/prettypipes/pipe/modules/stacksize/StackSizeModuleGui.java

@@ -11,6 +11,7 @@ import net.minecraft.client.resources.language.I18n;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.entity.player.Inventory;
 
+import java.util.List;
 import java.util.function.Supplier;
 
 public class StackSizeModuleGui extends AbstractPipeGui<StackSizeModuleContainer> {
@@ -34,17 +35,18 @@ public class StackSizeModuleGui extends AbstractPipeGui<StackSizeModuleContainer
             }
 
         });
-        textField.setValue(String.valueOf(StackSizeModuleItem.getMaxStackSizeForModule(this.menu.moduleStack)));
+        var data = this.menu.moduleStack.getOrDefault(StackSizeModuleItem.Data.TYPE, StackSizeModuleItem.Data.DEFAULT);
+        textField.setValue(String.valueOf(data.maxStackSize()));
         textField.setMaxLength(4);
         textField.setResponder(s -> {
             if (s.isEmpty())
                 return;
             var amount = Integer.parseInt(s);
-            PacketButton.sendAndExecute(this.menu.tile.getBlockPos(), ButtonResult.STACK_SIZE_AMOUNT, amount);
+            PacketButton.sendAndExecute(this.menu.tile.getBlockPos(), ButtonResult.STACK_SIZE_AMOUNT, List.of(amount));
         });
-        Supplier<Component> buttonText = () -> Component.translatable("info." + PrettyPipes.ID + ".limit_to_max_" + (StackSizeModuleItem.getLimitToMaxStackSize(this.menu.moduleStack) ? "on" : "off"));
+        Supplier<Component> buttonText = () -> Component.translatable("info." + PrettyPipes.ID + ".limit_to_max_" + (data.limitToMaxStackSize() ? "on" : "off"));
         this.addRenderableWidget(Button.builder(buttonText.get(), b -> {
-            PacketButton.sendAndExecute(this.menu.tile.getBlockPos(), ButtonResult.STACK_SIZE_MODULE_BUTTON);
+            PacketButton.sendAndExecute(this.menu.tile.getBlockPos(), ButtonResult.STACK_SIZE_MODULE_BUTTON, List.of());
             b.setMessage(buttonText.get());
         }).bounds(this.leftPos + 7, this.topPos + 17 + 32 + 10 + 22, 120, 20).build());
     }
@@ -55,4 +57,5 @@ public class StackSizeModuleGui extends AbstractPipeGui<StackSizeModuleContainer
         graphics.drawString(this.font, I18n.get("info." + PrettyPipes.ID + ".max_stack_size") + ":", 7, 17 + 32, 4210752, false);
 
     }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/stacksize/StackSizeModuleItem.java

@@ -1,5 +1,7 @@
 package de.ellpeck.prettypipes.pipe.modules.stacksize;
 
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.items.ModuleItem;
@@ -7,6 +9,7 @@ import de.ellpeck.prettypipes.misc.ItemEquality;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
+import net.minecraft.core.component.DataComponentType;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
@@ -15,37 +18,15 @@ import net.neoforged.neoforge.items.IItemHandler;
 public class StackSizeModuleItem extends ModuleItem {
 
     public StackSizeModuleItem() {
-        super("stack_size_module");
-    }
-
-    public static int getMaxStackSizeForModule(ItemStack module) {
-        if (module.hasTag()) {
-            var amount = module.getTag().getInt("max_stack_size");
-            if (amount > 0)
-                return amount;
-        }
-        return 64;
-    }
-
-    public static void setMaxStackSize(ItemStack module, int amount) {
-        module.getOrCreateTag().putInt("max_stack_size", amount);
-    }
-
-    public static boolean getLimitToMaxStackSize(ItemStack module) {
-        if (module.hasTag())
-            return module.getTag().getBoolean("limit_to_max_stack_size");
-        return false;
-    }
-
-    public static void setLimitToMaxStackSize(ItemStack module, boolean yes) {
-        module.getOrCreateTag().putBoolean("limit_to_max_stack_size", yes);
+        super("stack_size_module", new Properties());
     }
 
     @Override
     public int getMaxInsertionAmount(ItemStack module, PipeBlockEntity tile, ItemStack stack, IItemHandler destination) {
         var types = ItemFilter.getEqualityTypes(tile);
-        var max = StackSizeModuleItem.getMaxStackSizeForModule(module);
-        if (StackSizeModuleItem.getLimitToMaxStackSize(module))
+        var data = module.getOrDefault(Data.TYPE, Data.DEFAULT);
+        var max = data.maxStackSize;
+        if (data.limitToMaxStackSize)
             max = Math.min(max, stack.getMaxStackSize());
         var amount = 0;
         for (var i = 0; i < destination.getSlots(); i++) {
@@ -76,4 +57,16 @@ public class StackSizeModuleItem extends ModuleItem {
         return new StackSizeModuleContainer(Registry.stackSizeModuleContainer, windowId, player, tile.getBlockPos(), moduleIndex);
     }
 
+    public record Data(int maxStackSize, boolean limitToMaxStackSize) {
+
+        public static final Data DEFAULT = new Data(64, false);
+
+        public static final Codec<StackSizeModuleItem.Data> CODEC = RecordCodecBuilder.create(i -> i.group(
+            Codec.INT.fieldOf("max_stack_size").forGetter(f -> f.maxStackSize),
+            Codec.BOOL.fieldOf("limit_to_max_stack_size").forGetter(f -> f.limitToMaxStackSize)
+        ).apply(i, StackSizeModuleItem.Data::new));
+        public static final DataComponentType<StackSizeModuleItem.Data> TYPE = DataComponentType.<StackSizeModuleItem.Data>builder().persistent(StackSizeModuleItem.Data.CODEC).cacheEncoding().build();
+
+    }
+
 }

src/main/java/de/ellpeck/prettypipes/pressurizer/PressurizerBlock.java

@@ -6,12 +6,11 @@ import de.ellpeck.prettypipes.Utility;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.network.chat.Component;
-import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.TooltipFlag;
-import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.BaseEntityBlock;
 import net.minecraft.world.level.block.RenderShape;
@@ -22,7 +21,6 @@ import net.minecraft.world.level.block.state.BlockBehaviour;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.BlockHitResult;
 
-import javax.annotation.Nullable;
 import java.util.List;
 
 public class PressurizerBlock extends BaseEntityBlock {
@@ -39,7 +37,7 @@ public class PressurizerBlock extends BaseEntityBlock {
     }
 
     @Override
-    public InteractionResult use(BlockState state, Level worldIn, BlockPos pos, Player player, InteractionHand handIn, BlockHitResult result) {
+    public InteractionResult useWithoutItem(BlockState state, Level worldIn, BlockPos pos, Player player, BlockHitResult result) {
         var tile = Utility.getBlockEntity(PressurizerBlockEntity.class, worldIn, pos);
         if (tile == null)
             return InteractionResult.PASS;
@@ -60,8 +58,8 @@ public class PressurizerBlock extends BaseEntityBlock {
     }
 
     @Override
-    public void appendHoverText(ItemStack stack, @Nullable BlockGetter worldIn, List<Component> tooltip, TooltipFlag flagIn) {
-        Utility.addTooltip(BuiltInRegistries.BLOCK.getKey(this).getPath(), tooltip);
+    public void appendHoverText(ItemStack pStack, Item.TooltipContext pContext, List<Component> pTooltipComponents, TooltipFlag pTooltipFlag) {
+        Utility.addTooltip(BuiltInRegistries.BLOCK.getKey(this).getPath(), pTooltipComponents);
     }
 
     @org.jetbrains.annotations.Nullable

src/main/java/de/ellpeck/prettypipes/pressurizer/PressurizerBlockEntity.java

@@ -8,6 +8,7 @@ import de.ellpeck.prettypipes.pipe.ConnectionType;
 import de.ellpeck.prettypipes.pipe.IPipeConnectable;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.Connection;
 import net.minecraft.network.chat.Component;
@@ -51,30 +52,30 @@ public class PressurizerBlockEntity extends BlockEntity implements MenuProvider,
     }
 
     @Override
-    public void saveAdditional(CompoundTag compound) {
-        super.saveAdditional(compound);
+    public void saveAdditional(CompoundTag compound, HolderLookup.Provider provider) {
+        super.saveAdditional(compound, provider);
         compound.putInt("energy", this.getEnergy());
     }
 
     @Override
-    public void load(CompoundTag nbt) {
+    public void loadAdditional(CompoundTag nbt, HolderLookup.Provider provider) {
         this.storage.setEnergyStored(nbt.getInt("energy"));
-        super.load(nbt);
+        super.loadAdditional(nbt, provider);
     }
 
     @Override
-    public CompoundTag getUpdateTag() {
-        return this.saveWithoutMetadata();
+    public CompoundTag getUpdateTag(HolderLookup.Provider provider) {
+        return this.saveWithoutMetadata(provider);
     }
 
     @Override
-    public void handleUpdateTag(CompoundTag tag) {
-        this.load(tag);
+    public void handleUpdateTag(CompoundTag tag, HolderLookup.Provider provider) {
+        this.loadWithComponents(tag, provider);
     }
 
     @Override
-    public void onDataPacket(Connection net, ClientboundBlockEntityDataPacket pkt) {
-        this.load(pkt.getTag());
+    public void onDataPacket(Connection net, ClientboundBlockEntityDataPacket pkt, HolderLookup.Provider provider) {
+        this.loadWithComponents(pkt.getTag(), provider);
     }
 
     @Override

src/main/java/de/ellpeck/prettypipes/pressurizer/PressurizerGui.java

@@ -9,7 +9,7 @@ import net.minecraft.world.entity.player.Inventory;
 
 public class PressurizerGui extends AbstractContainerScreen<PressurizerContainer> {
 
-    private static final ResourceLocation TEXTURE = new ResourceLocation(PrettyPipes.ID, "textures/gui/pressurizer.png");
+    private static final ResourceLocation TEXTURE = ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "textures/gui/pressurizer.png");
 
     public PressurizerGui(PressurizerContainer screenContainer, Inventory inv, Component titleIn) {
         super(screenContainer, inv, titleIn);

src/main/java/de/ellpeck/prettypipes/terminal/CraftingTerminalBlockEntity.java

@@ -13,13 +13,16 @@ import de.ellpeck.prettypipes.terminal.containers.CraftingTerminalContainer;
 import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.Style;
+import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.inventory.AbstractContainerMenu;
 import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.block.state.BlockState;
 import net.neoforged.neoforge.items.ItemHandlerHelper;
 import net.neoforged.neoforge.items.ItemStackHandler;
@@ -97,8 +100,8 @@ public class CraftingTerminalBlockEntity extends ItemTerminalBlockEntity {
         if (!this.level.isClientSide) {
             List<PacketGhostSlot.Entry> clients = new ArrayList<>();
             for (var i = 0; i < this.ghostItems.getSlots(); i++)
-                clients.add(new PacketGhostSlot.Entry(this.level, Collections.singletonList(this.ghostItems.getStackInSlot(i))));
-            PacketDistributor.TRACKING_CHUNK.with(this.level.getChunkAt(this.getBlockPos())).send(new PacketGhostSlot(this.getBlockPos(), clients));
+                clients.add(PacketGhostSlot.Entry.fromStacks(this.level, List.of(this.ghostItems.getStackInSlot(i))));
+            PacketDistributor.sendToPlayersTrackingChunk((ServerLevel) this.level, new ChunkPos(this.getBlockPos()), new PacketGhostSlot(this.getBlockPos(), clients));
         }
     }
 
@@ -110,7 +113,7 @@ public class CraftingTerminalBlockEntity extends ItemTerminalBlockEntity {
         network.startProfile("terminal_request_crafting");
         this.updateItems();
         // get the amount of crafts that we can do
-        var lowestAvailable = CraftingTerminalBlockEntity.getAvailableCrafts(pipe, this.craftItems.getSlots(), i -> ItemHandlerHelper.copyStackWithSize(this.getRequestedCraftItem(i), 1), this::isGhostItem, s -> {
+        var lowestAvailable = CraftingTerminalBlockEntity.getAvailableCrafts(pipe, this.craftItems.getSlots(), i -> this.getRequestedCraftItem(i).copyWithCount(1), this::isGhostItem, s -> {
             var item = this.networkItems.get(s);
             return item != null ? item.getLocations() : Collections.emptyList();
         }, ItemTerminalBlockEntity.onItemUnavailable(player, force), new Stack<>(), ItemEquality.NBT);
@@ -137,15 +140,15 @@ public class CraftingTerminalBlockEntity extends ItemTerminalBlockEntity {
     }
 
     @Override
-    public void saveAdditional(CompoundTag compound) {
-        super.saveAdditional(compound);
-        compound.put("craft_items", this.craftItems.serializeNBT());
+    public void saveAdditional(CompoundTag compound, HolderLookup.Provider provider) {
+        super.saveAdditional(compound, provider);
+        compound.put("craft_items", this.craftItems.serializeNBT(provider));
     }
 
     @Override
-    public void load(CompoundTag compound) {
-        this.craftItems.deserializeNBT(compound.getCompound("craft_items"));
-        super.load(compound);
+    public void loadAdditional(CompoundTag compound, HolderLookup.Provider provider) {
+        this.craftItems.deserializeNBT(provider, compound.getCompound("craft_items"));
+        super.loadAdditional(compound, provider);
     }
 
     @Override
@@ -170,7 +173,7 @@ public class CraftingTerminalBlockEntity extends ItemTerminalBlockEntity {
                 for (var i = 0; i < tile.craftItems.getSlots(); i++) {
                     var stack = tile.getRequestedCraftItem(i);
                     var count = tile.isGhostItem(i) ? 0 : stack.getCount();
-                    if (!ItemHandlerHelper.canItemStacksStack(stack, remain))
+                    if (!ItemStack.isSameItemSameComponents(stack, remain))
                         continue;
                     // ensure that a single non-stackable item can still enter a ghost slot
                     if (!stack.isStackable() && count >= 1)

src/main/java/de/ellpeck/prettypipes/terminal/ItemTerminalBlock.java

@@ -7,12 +7,11 @@ import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.network.chat.Component;
-import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.TooltipFlag;
-import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.BaseEntityBlock;
 import net.minecraft.world.level.block.RenderShape;
@@ -23,7 +22,6 @@ import net.minecraft.world.level.block.state.BlockBehaviour;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.BlockHitResult;
 
-import javax.annotation.Nullable;
 import java.util.List;
 
 public class ItemTerminalBlock extends BaseEntityBlock {
@@ -40,19 +38,19 @@ public class ItemTerminalBlock extends BaseEntityBlock {
     }
 
     @Override
-    public InteractionResult use(BlockState state, Level worldIn, BlockPos pos, Player player, InteractionHand handIn, BlockHitResult result) {
-        var tile = Utility.getBlockEntity(ItemTerminalBlockEntity.class, worldIn, pos);
+    protected InteractionResult useWithoutItem(BlockState pState, Level pLevel, BlockPos pPos, Player pPlayer, BlockHitResult pHitResult) {
+        var tile = Utility.getBlockEntity(ItemTerminalBlockEntity.class, pLevel, pPos);
         if (tile == null)
             return InteractionResult.PASS;
         var reason = tile.getInvalidTerminalReason();
         if (reason != null) {
-            if (!worldIn.isClientSide)
-                player.sendSystemMessage(Component.translatable(reason).withStyle(ChatFormatting.RED));
+            if (!pLevel.isClientSide)
+                pPlayer.sendSystemMessage(Component.translatable(reason).withStyle(ChatFormatting.RED));
             return InteractionResult.SUCCESS;
         }
-        if (!worldIn.isClientSide) {
-            player.openMenu(tile, pos);
-            tile.updateItems(player);
+        if (!pLevel.isClientSide) {
+            pPlayer.openMenu(tile, pPos);
+            tile.updateItems(pPlayer);
         }
         return InteractionResult.SUCCESS;
     }
@@ -79,8 +77,8 @@ public class ItemTerminalBlock extends BaseEntityBlock {
     }
 
     @Override
-    public void appendHoverText(ItemStack stack, @Nullable BlockGetter worldIn, List<Component> tooltip, TooltipFlag flagIn) {
-        Utility.addTooltip(BuiltInRegistries.BLOCK.getKey(this).getPath(), tooltip);
+    public void appendHoverText(ItemStack pStack, Item.TooltipContext pContext, List<Component> pTooltipComponents, TooltipFlag pTooltipFlag) {
+        Utility.addTooltip(BuiltInRegistries.BLOCK.getKey(this).getPath(), pTooltipComponents);
     }
 
     @org.jetbrains.annotations.Nullable

src/main/java/de/ellpeck/prettypipes/terminal/ItemTerminalBlockEntity.java

@@ -17,6 +17,7 @@ import de.ellpeck.prettypipes.terminal.containers.ItemTerminalContainer;
 import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.network.chat.Component;
@@ -146,16 +147,16 @@ public class ItemTerminalBlockEntity extends BlockEntity implements IPipeConnect
         }
     }
 
-    public void requestItem(Player player, ItemStack stack, int nbtHash) {
+    public void requestItem(Player player, ItemStack stack, int componentsHash) {
         var network = PipeNetwork.get(this.level);
         network.startProfile("terminal_request_item");
         this.updateItems();
-        if (nbtHash != 0) {
+        if (componentsHash != 0) {
             var filter = stack;
             stack = this.networkItems.values().stream()
                 .map(NetworkItem::asStack)
-                    // don't compare with nbt equality here or the whole hashing thing is pointless
-                    .filter(s -> ItemEquality.compareItems(s, filter) && s.hasTag() && s.getTag().hashCode() == nbtHash)
+                // don't compare with nbt equality here or the data hashing thing is pointless
+                .filter(s -> ItemEquality.compareItems(s, filter) && !s.isComponentsPatchEmpty() && s.getComponents().hashCode() == componentsHash)
                 .findFirst().orElse(filter);
             stack.setCount(filter.getCount());
         }
@@ -228,18 +229,18 @@ public class ItemTerminalBlockEntity extends BlockEntity implements IPipeConnect
     }
 
     @Override
-    public void saveAdditional(CompoundTag compound) {
-        super.saveAdditional(compound);
-        compound.put("items", this.items.serializeNBT());
-        compound.put("requests", Utility.serializeAll(this.existingRequests));
+    public void saveAdditional(CompoundTag compound, HolderLookup.Provider pRegistries) {
+        super.saveAdditional(compound, pRegistries);
+        compound.put("items", this.items.serializeNBT(pRegistries));
+        compound.put("requests", Utility.serializeAll(pRegistries, this.existingRequests));
     }
 
     @Override
-    public void load(CompoundTag compound) {
-        this.items.deserializeNBT(compound.getCompound("items"));
+    protected void loadAdditional(CompoundTag compound, HolderLookup.Provider pRegistries) {
+        this.items.deserializeNBT(pRegistries, compound.getCompound("items"));
         this.existingRequests.clear();
-        this.existingRequests.addAll(Utility.deserializeAll(compound.getList("requests", Tag.TAG_COMPOUND), NetworkLock::new));
-        super.load(compound);
+        this.existingRequests.addAll(Utility.deserializeAll(compound.getList("requests", Tag.TAG_COMPOUND), l -> new NetworkLock(pRegistries, l)));
+        super.loadAdditional(compound, pRegistries);
     }
 
     @Override

src/main/java/de/ellpeck/prettypipes/terminal/containers/CraftingTerminalContainer.java

@@ -48,9 +48,9 @@ public class CraftingTerminalContainer extends ItemTerminalContainer {
         super.slotsChanged(inventoryIn);
         if (!this.player.level().isClientSide) {
             var ret = ItemStack.EMPTY;
-            var optional = this.player.level().getServer().getRecipeManager().getRecipeFor(RecipeType.CRAFTING, this.craftInventory, this.player.level());
+            var optional = this.player.level().getServer().getRecipeManager().getRecipeFor(RecipeType.CRAFTING, this.craftInventory.asCraftInput(), this.player.level());
             if (optional.isPresent())
-                ret = optional.get().value().assemble(this.craftInventory, this.player.level().registryAccess());
+                ret = optional.get().value().assemble(this.craftInventory.asCraftInput(), this.player.level().registryAccess());
             this.craftResult.setItem(0, ret);
             ((ServerPlayer) this.player).connection.send(new ClientboundContainerSetSlotPacket(this.containerId, 0, 0, ret));
         }

src/main/java/de/ellpeck/prettypipes/terminal/containers/CraftingTerminalGui.java

@@ -11,9 +11,11 @@ import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.entity.player.Inventory;
 import net.neoforged.neoforge.network.PacketDistributor;
 
+import java.util.Arrays;
+
 public class CraftingTerminalGui extends ItemTerminalGui {
 
-    private static final ResourceLocation TEXTURE = new ResourceLocation(PrettyPipes.ID, "textures/gui/crafting_terminal.png");
+    private static final ResourceLocation TEXTURE = ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "textures/gui/crafting_terminal.png");
     private Button requestButton;
 
     public CraftingTerminalGui(ItemTerminalContainer screenContainer, Inventory inv, Component titleIn) {
@@ -28,7 +30,7 @@ public class CraftingTerminalGui extends ItemTerminalGui {
             var amount = ItemTerminalGui.requestModifier();
             // also allow holding backspace instead of alt for people whose alt key is inaccessible (linux?)
             var force = Screen.hasAltDown() || InputConstants.isKeyDown(this.minecraft.getWindow().getWindow(), 259) ? 1 : 0;
-            PacketDistributor.SERVER.noArg().send(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CRAFT_TERMINAL_REQUEST, amount, force));
+            PacketDistributor.sendToServer(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CRAFT_TERMINAL_REQUEST, Arrays.asList(amount, force)));
         }).bounds(this.leftPos + 8, this.topPos + 100, 50, 20).build());
         this.tick();
     }

src/main/java/de/ellpeck/prettypipes/terminal/containers/ItemTerminalGui.java

@@ -20,6 +20,7 @@ import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.util.Mth;
 import net.minecraft.world.entity.player.Inventory;
+import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.TooltipFlag;
 import net.neoforged.neoforge.network.PacketDistributor;
@@ -29,9 +30,10 @@ import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+@SuppressWarnings("ALL")
 public class ItemTerminalGui extends AbstractContainerScreen<ItemTerminalContainer> {
 
-    private static final ResourceLocation TEXTURE = new ResourceLocation(PrettyPipes.ID, "textures/gui/item_terminal.png");
+    private static final ResourceLocation TEXTURE = ResourceLocation.fromNamespaceAndPath(PrettyPipes.ID, "textures/gui/item_terminal.png");
 
     public List<ItemStack> currentlyCrafting;
     public EditBox search;
@@ -91,7 +93,7 @@ public class ItemTerminalGui extends AbstractContainerScreen<ItemTerminalContain
                 return;
             var stack = widget.get().stack.copy();
             stack.setCount(1);
-            PacketDistributor.SERVER.noArg().send(new PacketRequest(this.menu.tile.getBlockPos(), stack, this.requestAmount));
+            PacketDistributor.sendToServer(new PacketRequest(this.menu.tile.getBlockPos(), stack, this.requestAmount));
             this.requestAmount = 1;
         }).bounds(this.leftPos + this.getXOffset() + 95 - 7 - 25, this.topPos + 115, 50, 20).build());
         this.requestButton.active = false;
@@ -159,7 +161,7 @@ public class ItemTerminalGui extends AbstractContainerScreen<ItemTerminalContain
         // and vanilla buttons are activated when the click starts, so we'll always invoke jei accidentally by default
         if (button == 0 && this.cancelCraftingButton.visible && this.cancelCraftingButton.isHovered()) {
             if (this.currentlyCrafting != null && !this.currentlyCrafting.isEmpty()) {
-                PacketDistributor.SERVER.noArg().send(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CANCEL_CRAFTING));
+                PacketDistributor.sendToServer(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CANCEL_CRAFTING, List.of()));
                 return true;
             }
         }
@@ -232,7 +234,7 @@ public class ItemTerminalGui extends AbstractContainerScreen<ItemTerminalContain
                     search = search.substring(1);
                 } else if (search.startsWith("#")) {
                     // search item description
-                    var hoverText = s.getLeft().getTooltipLines(this.minecraft.player,
+                    var hoverText = s.getLeft().getTooltipLines(Item.TooltipContext.of(this.minecraft.level), this.minecraft.player,
                             this.minecraft.options.advancedItemTooltips ? TooltipFlag.Default.ADVANCED : TooltipFlag.Default.NORMAL);
                     toCompare = hoverText.stream().map(Component::getString).collect(Collectors.joining("\n"));
                     search = search.substring(1);