fixed everything but codecs?

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

@@ -1,18 +1,18 @@
 package de.ellpeck.prettypipes;
 
 import net.neoforged.api.distmarker.Dist;
-import net.neoforged.fml.DistExecutor;
+import net.neoforged.bus.api.IEventBus;
 import net.neoforged.fml.common.Mod;
-import net.neoforged.fml.javafmlmod.FMLJavaModLoadingContext;
+import net.neoforged.fml.loading.FMLEnvironment;
 
 @Mod(PrettyPipes.ID)
 public final class PrettyPipes {
 
     public static final String ID = "prettypipes";
 
-    public PrettyPipes() {
+    public PrettyPipes(IEventBus eventBus) {
-        var bus = FMLJavaModLoadingContext.get().getModEventBus();
+        if (FMLEnvironment.dist == Dist.CLIENT)
-        bus.addListener(Registry::setup);
+            eventBus.addListener(Registry.Client::setup);
-        DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> bus.addListener(Registry.Client::setup));
     }
+
 }

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

@@ -5,8 +5,6 @@ import de.ellpeck.prettypipes.entities.PipeFrameRenderer;
 import de.ellpeck.prettypipes.items.*;
 import de.ellpeck.prettypipes.misc.ItemEquality;
 import de.ellpeck.prettypipes.misc.ModuleClearingRecipe;
-import de.ellpeck.prettypipes.network.PipeNetwork;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import de.ellpeck.prettypipes.pipe.IPipeConnectable;
 import de.ellpeck.prettypipes.pipe.PipeBlock;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
@@ -65,12 +63,11 @@ import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.entity.BlockEntityType;
-import net.neoforged.neoforge.capabilities.BlockCapability;
-import net.neoforged.neoforge.common.extensions.IMenuTypeExtension;
 import net.neoforged.bus.api.SubscribeEvent;
 import net.neoforged.fml.common.Mod;
 import net.neoforged.fml.event.lifecycle.FMLClientSetupEvent;
-import net.neoforged.fml.event.lifecycle.FMLCommonSetupEvent;
+import net.neoforged.neoforge.capabilities.BlockCapability;
+import net.neoforged.neoforge.common.extensions.IMenuTypeExtension;
 import net.neoforged.neoforge.registries.RegisterEvent;
 
 import java.util.Comparator;
@@ -210,10 +207,6 @@ public final class Registry {
             helper.register(new ResourceLocation(PrettyPipes.ID, tier.name().toLowerCase(Locale.ROOT) + "_" + name), item.apply(name, tier));
     }
 
-    public static void setup(FMLCommonSetupEvent event) {
-        PacketHandler.setup();
-    }
-
     public static final class Client {
 
         public static void setup(FMLClientSetupEvent event) {

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

@@ -3,7 +3,6 @@ package de.ellpeck.prettypipes.compat.jei;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.misc.ItemEquality;
 import de.ellpeck.prettypipes.packets.PacketCraftingModuleTransfer;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import de.ellpeck.prettypipes.pipe.modules.craft.CraftingModuleContainer;
 import mezz.jei.api.constants.RecipeTypes;
 import mezz.jei.api.constants.VanillaTypes;
@@ -17,6 +16,7 @@ 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;
@@ -63,7 +63,7 @@ public class CraftingModuleTransferHandler implements IRecipeTransferHandler<Cra
             if (!remain.isEmpty())
                 toAdd.add(remain);
         }
-        PacketHandler.sendToServer(new PacketCraftingModuleTransfer(inputs, outputs));
+        PacketDistributor.SERVER.noArg().send(new PacketCraftingModuleTransfer(inputs, outputs));
         return null;
     }
 

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

@@ -2,7 +2,6 @@ package de.ellpeck.prettypipes.compat.jei;
 
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.packets.PacketGhostSlot;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import de.ellpeck.prettypipes.terminal.containers.CraftingTerminalContainer;
 import mezz.jei.api.constants.RecipeTypes;
 import mezz.jei.api.constants.VanillaTypes;
@@ -15,6 +14,7 @@ import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.inventory.MenuType;
 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;
@@ -47,7 +47,7 @@ public class CraftingTerminalTransferHandler implements IRecipeTransferHandler<C
         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())));
-        PacketHandler.sendToServer(new PacketGhostSlot(container.getTile().getBlockPos(), stacks));
+        PacketDistributor.SERVER.noArg().send(new PacketGhostSlot(container.getTile().getBlockPos(), stacks));
         return null;
     }
 

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

@@ -3,15 +3,15 @@ package de.ellpeck.prettypipes.misc;
 import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.network.PipeNetwork;
+import de.ellpeck.prettypipes.packets.*;
 import net.minecraft.commands.Commands;
 import net.minecraft.network.chat.Component;
-import net.minecraft.resources.ResourceLocation;
+import net.neoforged.bus.api.SubscribeEvent;
-import net.minecraft.world.level.Level;
+import net.neoforged.fml.common.Mod;
 import net.neoforged.neoforge.capabilities.Capabilities;
 import net.neoforged.neoforge.capabilities.RegisterCapabilitiesEvent;
 import net.neoforged.neoforge.event.server.ServerStartingEvent;
-import net.neoforged.bus.api.SubscribeEvent;
+import net.neoforged.neoforge.network.event.RegisterPayloadHandlerEvent;
-import net.neoforged.fml.common.Mod;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
@@ -61,4 +61,15 @@ public final class Events {
                 })));
     }
 
+    @SubscribeEvent
+    public static void onPayloadRegister(final RegisterPayloadHandlerEvent 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);
+    }
+
 }

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

@@ -6,7 +6,6 @@ import com.google.common.collect.Streams;
 import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.misc.ItemEquality;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import de.ellpeck.prettypipes.packets.PacketItemEnterPipe;
 import de.ellpeck.prettypipes.pipe.IPipeItem;
 import de.ellpeck.prettypipes.pipe.PipeBlock;
@@ -22,6 +21,7 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.saveddata.SavedData;
+import net.neoforged.neoforge.network.PacketDistributor;
 import org.apache.commons.lang3.tuple.Pair;
 import org.jgrapht.ListenableGraph;
 import org.jgrapht.alg.shortestpath.DijkstraShortestPath;
@@ -206,7 +206,7 @@ public class PipeNetwork extends SavedData implements GraphListener<BlockPos, Ne
         var item = itemSupplier.apply(startPipe.getItemSpeed(stack));
         item.setDestination(startInventory, destInventory, path);
         startPipe.addNewItem(item);
-        PacketHandler.sendToAllLoaded(this.level, startPipePos, new PacketItemEnterPipe(startPipePos, item));
+        PacketDistributor.TRACKING_CHUNK.with(this.level.getChunkAt(startPipePos)).send(new PacketItemEnterPipe(startPipePos, item));
         return true;
     }
 

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

@@ -1,5 +1,6 @@
 package de.ellpeck.prettypipes.packets;
 
+import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.misc.ItemFilter.IFilteredContainer;
@@ -14,23 +15,27 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.core.BlockPos;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.chat.Component;
-import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.MenuProvider;
 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 org.apache.logging.log4j.util.TriConsumer;
 
 import javax.annotation.Nullable;
-import java.util.function.Supplier;
 
 import static de.ellpeck.prettypipes.misc.DirectionSelector.IDirectionContainer;
 
-public class PacketButton {
+public class PacketButton implements CustomPacketPayload {
 
-    private BlockPos pos;
+    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "button");
-    private ButtonResult result;
+
-    private int[] data;
+    private final BlockPos pos;
+    private final ButtonResult result;
+    private final int[] data;
 
     public PacketButton(BlockPos pos, ButtonResult result, int... data) {
         this.pos = pos;
@@ -38,38 +43,33 @@ public class PacketButton {
         this.data = data;
     }
 
-    private PacketButton() {
+    public PacketButton(FriendlyByteBuf buf) {
-
+        this.pos = buf.readBlockPos();
+        this.result = ButtonResult.values()[buf.readByte()];
+        this.data = buf.readVarIntArray();
     }
 
-    public static PacketButton fromBytes(FriendlyByteBuf buf) {
-        var packet = new PacketButton();
-        packet.pos = buf.readBlockPos();
-        packet.result = ButtonResult.values()[buf.readByte()];
-        packet.data = buf.readVarIntArray();
-        return packet;
-    }
-
-    public static void toBytes(PacketButton packet, FriendlyByteBuf buf) {
-        buf.writeBlockPos(packet.pos);
-        buf.writeByte(packet.result.ordinal());
-        buf.writeVarIntArray(packet.data);
-    }
-
-    @SuppressWarnings("Convert2Lambda")
-    public static void onMessage(PacketButton message, Supplier<NetworkEvent.Context> ctx) {
-        ctx.get().enqueueWork(new Runnable() {
     @Override
-            public void run() {
+    public void write(FriendlyByteBuf buf) {
-                Player player = ctx.get().getSender();
+        buf.writeBlockPos(this.pos);
-                message.result.action.accept(message.pos, message.data, player);
+        buf.writeByte(this.result.ordinal());
+        buf.writeVarIntArray(this.data);
     }
+
+    @Override
+    public ResourceLocation id() {
+        return PacketButton.ID;
+    }
+
+    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);
         });
-        ctx.get().setPacketHandled(true);
     }
 
     public static void sendAndExecute(BlockPos pos, ButtonResult result, int... data) {
-        PacketHandler.sendToServer(new PacketButton(pos, result, data));
+        PacketDistributor.SERVER.noArg().send(new PacketButton(pos, result, data));
         result.action.accept(pos, data, Minecraft.getInstance().player);
     }
 
@@ -77,10 +77,10 @@ public class PacketButton {
         PIPE_TAB((pos, data, player) -> {
             var tile = Utility.getBlockEntity(PipeBlockEntity.class, player.level(), pos);
             if (data[0] < 0) {
-                NetworkHooks.openScreen((ServerPlayer) player, tile, pos);
+                player.openMenu(tile, pos);
             } else {
                 var stack = tile.modules.getStackInSlot(data[0]);
-                NetworkHooks.openScreen((ServerPlayer) player, new MenuProvider() {
+                player.openMenu(new MenuProvider() {
                     @Override
                     public Component getDisplayName() {
                         return stack.getHoverName();
@@ -133,4 +133,5 @@ public class PacketButton {
             this.action = action;
         }
     }
+
 }

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

@@ -1,66 +1,64 @@
 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.world.entity.player.Player;
+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.NetworkEvent;
+import net.neoforged.neoforge.network.handling.PlayPayloadContext;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.Supplier;
 
-public class PacketCraftingModuleTransfer {
+public class PacketCraftingModuleTransfer implements CustomPacketPayload {
 
-    private List<ItemStack> inputs;
+    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "crafting_module_transfer");
-    private List<ItemStack> outputs;
+
+    private final List<ItemStack> inputs;
+    private final List<ItemStack> outputs;
 
     public PacketCraftingModuleTransfer(List<ItemStack> inputs, List<ItemStack> outputs) {
         this.inputs = inputs;
         this.outputs = outputs;
     }
 
-    private PacketCraftingModuleTransfer() {
+    public PacketCraftingModuleTransfer(FriendlyByteBuf buf) {
-
+        this.inputs = new ArrayList<>();
-    }
-
-    public static PacketCraftingModuleTransfer fromBytes(FriendlyByteBuf buf) {
-        var packet = new PacketCraftingModuleTransfer();
-        packet.inputs = new ArrayList<>();
         for (var i = buf.readInt(); i > 0; i--)
-            packet.inputs.add(buf.readItem());
+            this.inputs.add(buf.readItem());
-        packet.outputs = new ArrayList<>();
+        this.outputs = new ArrayList<>();
         for (var i = buf.readInt(); i > 0; i--)
-            packet.outputs.add(buf.readItem());
+            this.outputs.add(buf.readItem());
-        return packet;
     }
 
-    public static void toBytes(PacketCraftingModuleTransfer packet, FriendlyByteBuf buf) {
-        buf.writeInt(packet.inputs.size());
-        for (var stack : packet.inputs)
-            buf.writeItem(stack);
-        buf.writeInt(packet.outputs.size());
-        for (var stack : packet.outputs)
-            buf.writeItem(stack);
-    }
-
-    @SuppressWarnings("Convert2Lambda")
-    public static void onMessage(PacketCraftingModuleTransfer message, Supplier<NetworkEvent.Context> ctx) {
-        ctx.get().enqueueWork(new Runnable() {
     @Override
-            public void run() {
+    public void write(FriendlyByteBuf buf) {
-                Player player = ctx.get().getSender();
+        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);
+    }
+
+    @Override
+    public ResourceLocation id() {
+        return PacketCraftingModuleTransfer.ID;
+    }
+
+    public static void onMessage(PacketCraftingModuleTransfer message, PlayPayloadContext ctx) {
+        ctx.workHandler().execute(() -> {
+            var player = ctx.player().orElseThrow();
             if (player.containerMenu instanceof CraftingModuleContainer container) {
                 PacketCraftingModuleTransfer.copy(container.input, message.inputs);
                 PacketCraftingModuleTransfer.copy(container.output, message.outputs);
                 container.modified = true;
                 container.broadcastChanges();
             }
-            }
         });
-        ctx.get().setPacketHandled(true);
     }
 
     private static void copy(ItemStackHandler container, List<ItemStack> contents) {
@@ -69,4 +67,5 @@ public class PacketCraftingModuleTransfer {
         for (var stack : contents)
             ItemHandlerHelper.insertItem(container, stack, false);
     }
+
 }

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

@@ -2,86 +2,62 @@ package de.ellpeck.prettypipes.packets;
 
 import com.google.common.collect.Streams;
 import com.mojang.datafixers.util.Pair;
+import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.terminal.CraftingTerminalBlockEntity;
-import net.minecraft.client.Minecraft;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.TagKey;
-import net.minecraft.world.entity.player.Player;
 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.NetworkEvent;
+import net.neoforged.neoforge.network.handling.PlayPayloadContext;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.Consumer;
-import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
-public class PacketGhostSlot {
+public class PacketGhostSlot implements CustomPacketPayload {
 
-    private BlockPos pos;
+    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "ghost_slot");
-    private List<Entry> stacks;
+
+    private final BlockPos pos;
+    private final List<Entry> stacks;
 
     public PacketGhostSlot(BlockPos pos, List<Entry> stacks) {
         this.pos = pos;
         this.stacks = stacks;
     }
 
-    private PacketGhostSlot() {
+    public PacketGhostSlot(FriendlyByteBuf buf) {
-
+        this.pos = buf.readBlockPos();
-    }
+        this.stacks = new ArrayList<>();
-
-    public static PacketGhostSlot fromBytes(FriendlyByteBuf buf) {
-        var packet = new PacketGhostSlot();
-        packet.pos = buf.readBlockPos();
-        packet.stacks = new ArrayList<>();
         for (var i = buf.readInt(); i > 0; i--)
-            packet.stacks.add(new Entry(buf));
+            this.stacks.add(new Entry(buf));
-        return packet;
     }
 
-    public static void toBytes(PacketGhostSlot packet, FriendlyByteBuf buf) {
+    @Override
-        buf.writeBlockPos(packet.pos);
+    public void write(FriendlyByteBuf buf) {
-        buf.writeInt(packet.stacks.size());
+        buf.writeBlockPos(this.pos);
-        for (var entry : packet.stacks)
+        buf.writeInt(this.stacks.size());
+        for (var entry : this.stacks)
             entry.write(buf);
     }
 
-    @SuppressWarnings("Convert2Lambda")
+    @Override
-    public static void onMessage(PacketGhostSlot message, Supplier<NetworkEvent.Context> ctx) {
+    public ResourceLocation id() {
-        var doIt = (Consumer<Player>) p -> {
+        return PacketGhostSlot.ID;
-            var tile = Utility.getBlockEntity(CraftingTerminalBlockEntity.class, p.level(), message.pos);
+    }
+
+    public static void onMessage(PacketGhostSlot message, PlayPayloadContext ctx) {
+        var player = ctx.player().orElseThrow();
+        var tile = Utility.getBlockEntity(CraftingTerminalBlockEntity.class, player.level(), message.pos);
         if (tile != null)
             tile.setGhostItems(message.stacks);
-        };
-
-        // this whole thing is a dirty hack for allowing the same packet to be used
-        // both client -> server and server -> client without any classloading issues
-        Player player = ctx.get().getSender();
-        // are we on the client?
-        if (player == null) {
-            ctx.get().enqueueWork(new Runnable() {
-                @Override
-                public void run() {
-                    doIt.accept(Minecraft.getInstance().player);
-                }
-            });
-        } else {
-            ctx.get().enqueueWork(new Runnable() {
-                @Override
-                public void run() {
-                    doIt.accept(player);
-                }
-            });
-        }
-
-        ctx.get().setPacketHandled(true);
     }
 
     public static class Entry {
@@ -115,12 +91,12 @@ public class PacketGhostSlot {
         public List<ItemStack> getStacks(Level level) {
             if (this.stacks != null)
                 return this.stacks;
-            return Streams.stream(level.registryAccess().registry(Registries.ITEM).get().getTagOrEmpty(this.tag).iterator())
+            return Streams.stream(level.registryAccess().registry(Registries.ITEM).orElseThrow().getTagOrEmpty(this.tag).iterator())
                     .filter(h -> h.value() != null & h.value() != Items.AIR)
                     .map(h -> new ItemStack(h.value())).collect(Collectors.toList());
         }
 
-        public FriendlyByteBuf write(FriendlyByteBuf buf) {
+        public void write(FriendlyByteBuf buf) {
             if (this.stacks != null) {
                 buf.writeBoolean(true);
                 buf.writeInt(this.stacks.size());
@@ -130,11 +106,10 @@ public class PacketGhostSlot {
                 buf.writeBoolean(false);
                 buf.writeUtf(this.tag.location().toString());
             }
-            return buf;
         }
 
         private static TagKey<Item> getTagForStacks(Level level, List<ItemStack> stacks) {
-            return level.registryAccess().registry(Registries.ITEM).get().getTags().filter(e -> {
+            return level.registryAccess().registry(Registries.ITEM).orElseThrow().getTags().filter(e -> {
                 var tag = e.getSecond();
                 if (tag.size() != stacks.size())
                     return false;
@@ -145,5 +120,7 @@ public class PacketGhostSlot {
                 return true;
             }).map(Pair::getFirst).findFirst().orElse(null);
         }
+
     }
+
 }

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

@@ -1,39 +0,0 @@
-package de.ellpeck.prettypipes.packets;
-
-import de.ellpeck.prettypipes.PrettyPipes;
-import net.minecraft.core.BlockPos;
-import net.minecraft.resources.ResourceLocation;
-import net.minecraft.server.level.ServerPlayer;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.level.Level;
-import net.neoforged.neoforge.network.PacketDistributor;
-import net.neoforged.neoforge.network.simple.SimpleChannel;
-import net.neoforged.neoforge.network.NetworkRegistry;
-
-public final class PacketHandler {
-
-    private static final String VERSION = "1";
-    private static SimpleChannel network;
-
-    public static void setup() {
-        PacketHandler.network = NetworkRegistry.newSimpleChannel(new ResourceLocation(PrettyPipes.ID, "network"), () -> PacketHandler.VERSION, PacketHandler.VERSION::equals, PacketHandler.VERSION::equals);
-        PacketHandler.network.registerMessage(0, PacketItemEnterPipe.class, PacketItemEnterPipe::toBytes, PacketItemEnterPipe::fromBytes, PacketItemEnterPipe::onMessage);
-        PacketHandler.network.registerMessage(1, PacketButton.class, PacketButton::toBytes, PacketButton::fromBytes, PacketButton::onMessage);
-        PacketHandler.network.registerMessage(2, PacketNetworkItems.class, PacketNetworkItems::toBytes, PacketNetworkItems::fromBytes, PacketNetworkItems::onMessage);
-        PacketHandler.network.registerMessage(3, PacketRequest.class, PacketRequest::toBytes, PacketRequest::fromBytes, PacketRequest::onMessage);
-        PacketHandler.network.registerMessage(4, PacketGhostSlot.class, PacketGhostSlot::toBytes, PacketGhostSlot::fromBytes, PacketGhostSlot::onMessage);
-        PacketHandler.network.registerMessage(5, PacketCraftingModuleTransfer.class, PacketCraftingModuleTransfer::toBytes, PacketCraftingModuleTransfer::fromBytes, PacketCraftingModuleTransfer::onMessage);
-    }
-
-    public static void sendToAllLoaded(Level world, BlockPos pos, Object message) {
-        PacketHandler.network.send(PacketDistributor.TRACKING_CHUNK.with(() -> world.getChunkAt(pos)), message);
-    }
-
-    public static void sendTo(Player player, Object message) {
-        PacketHandler.network.send(PacketDistributor.PLAYER.with(() -> (ServerPlayer) player), message);
-    }
-
-    public static void sendToServer(Object message) {
-        PacketHandler.network.send(PacketDistributor.SERVER.noArg(), message);
-    }
-}

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

@@ -1,5 +1,6 @@
 package de.ellpeck.prettypipes.packets;
 
+import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.pipe.IPipeItem;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
@@ -7,41 +8,40 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.FriendlyByteBuf;
-import net.neoforged.neoforge.network.NetworkEvent;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.ResourceLocation;
+import net.neoforged.neoforge.network.handling.PlayPayloadContext;
 
-import java.util.function.Supplier;
+public class PacketItemEnterPipe implements CustomPacketPayload {
 
-public class PacketItemEnterPipe {
+    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "item_enter_pipe");
 
-    private BlockPos tilePos;
+    private final BlockPos tilePos;
-    private CompoundTag item;
+    private final CompoundTag item;
 
     public PacketItemEnterPipe(BlockPos tilePos, IPipeItem item) {
         this.tilePos = tilePos;
         this.item = item.serializeNBT();
     }
 
-    private PacketItemEnterPipe() {
+    public PacketItemEnterPipe(FriendlyByteBuf buf) {
-
+        this.tilePos = buf.readBlockPos();
+        this.item = buf.readNbt();
     }
 
-    public static PacketItemEnterPipe fromBytes(FriendlyByteBuf buf) {
-        var client = new PacketItemEnterPipe();
-        client.tilePos = buf.readBlockPos();
-        client.item = buf.readNbt();
-        return client;
-    }
-
-    public static void toBytes(PacketItemEnterPipe packet, FriendlyByteBuf buf) {
-        buf.writeBlockPos(packet.tilePos);
-        buf.writeNbt(packet.item);
-    }
-
-    @SuppressWarnings("Convert2Lambda")
-    public static void onMessage(PacketItemEnterPipe message, Supplier<NetworkEvent.Context> ctx) {
-        ctx.get().enqueueWork(new Runnable() {
     @Override
-            public void run() {
+    public void write(FriendlyByteBuf buf) {
+        buf.writeBlockPos(this.tilePos);
+        buf.writeNbt(this.item);
+    }
+
+    @Override
+    public ResourceLocation id() {
+        return PacketItemEnterPipe.ID;
+    }
+
+    public static void onMessage(PacketItemEnterPipe message, PlayPayloadContext ctx) {
+        ctx.workHandler().execute(() -> {
             var mc = Minecraft.getInstance();
             if (mc.level == null)
                 return;
@@ -49,8 +49,7 @@ public class PacketItemEnterPipe {
             var pipe = Utility.getBlockEntity(PipeBlockEntity.class, mc.level, message.tilePos);
             if (pipe != null)
                 pipe.getItems().add(item);
-            }
         });
-        ctx.get().setPacketHandled(true);
     }
+
 }

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

@@ -1,20 +1,24 @@
 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.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
-import net.neoforged.neoforge.network.NetworkEvent;
+import net.neoforged.neoforge.network.handling.PlayPayloadContext;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.Supplier;
 
-public class PacketNetworkItems {
+public class PacketNetworkItems implements CustomPacketPayload {
 
-    private List<ItemStack> items;
+    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "network_items");
-    private List<ItemStack> craftables;
+
-    private List<ItemStack> currentlyCrafting;
+    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;
@@ -22,46 +26,46 @@ public class PacketNetworkItems {
         this.currentlyCrafting = currentlyCrafting;
     }
 
-    private PacketNetworkItems() {
+    public PacketNetworkItems(FriendlyByteBuf buf) {
-
+        this.items = new ArrayList<>();
-    }
-
-    public static PacketNetworkItems fromBytes(FriendlyByteBuf buf) {
-        var client = new PacketNetworkItems();
-        client.items = new ArrayList<>();
         for (var i = buf.readVarInt(); i > 0; i--) {
             var stack = buf.readItem();
             stack.setCount(buf.readVarInt());
-            client.items.add(stack);
+            this.items.add(stack);
         }
-        client.craftables = new ArrayList<>();
+        this.craftables = new ArrayList<>();
         for (var i = buf.readVarInt(); i > 0; i--)
-            client.craftables.add(buf.readItem());
+            this.craftables.add(buf.readItem());
-        client.currentlyCrafting = new ArrayList<>();
+        this.currentlyCrafting = new ArrayList<>();
         for (var i = buf.readVarInt(); i > 0; i--)
-            client.currentlyCrafting.add(buf.readItem());
+            this.currentlyCrafting.add(buf.readItem());
-        return client;
     }
 
-    public static void toBytes(PacketNetworkItems packet, FriendlyByteBuf buf) {
+    @Override
-        buf.writeVarInt(packet.items.size());
+    public void write(FriendlyByteBuf buf) {
-        for (var stack : packet.items) {
+        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(packet.craftables.size());
+        buf.writeVarInt(this.craftables.size());
-        for (var stack : packet.craftables)
+        for (var stack : this.craftables)
             buf.writeItem(stack);
-        buf.writeVarInt(packet.currentlyCrafting.size());
+        buf.writeVarInt(this.currentlyCrafting.size());
-        for (var stack : packet.currentlyCrafting)
+        for (var stack : this.currentlyCrafting)
             buf.writeItem(stack);
     }
 
+    @Override
+    public ResourceLocation id() {
+        return PacketNetworkItems.ID;
+    }
+
     @SuppressWarnings("Convert2Lambda")
-    public static void onMessage(PacketNetworkItems message, Supplier<NetworkEvent.Context> ctx) {
+    public static void onMessage(PacketNetworkItems message, PlayPayloadContext ctx) {
-        ctx.get().enqueueWork(new Runnable() {
+        ctx.workHandler().execute(new Runnable() {
             @Override
             public void run() {
                 var mc = Minecraft.getInstance();
@@ -69,6 +73,6 @@ public class PacketNetworkItems {
                     terminal.updateItemList(message.items, message.craftables, message.currentlyCrafting);
             }
         });
-        ctx.get().setPacketHandled(true);
     }
+
 }

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

@@ -1,61 +1,62 @@
 package de.ellpeck.prettypipes.packets;
 
+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.world.entity.player.Player;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
-import net.neoforged.neoforge.network.NetworkEvent;
+import net.neoforged.neoforge.network.handling.PlayPayloadContext;
 
-import java.util.function.Supplier;
+public class PacketRequest implements CustomPacketPayload {
 
-public class PacketRequest {
+    public static final ResourceLocation ID = new ResourceLocation(PrettyPipes.ID, "request");
 
-    private BlockPos pos;
+    private final BlockPos pos;
-    private ItemStack stack;
+    private final ItemStack stack;
-    private int nbtHash;
+    private final int nbtHash;
-    private int amount;
+    private final int amount;
 
     public PacketRequest(BlockPos pos, ItemStack stack, int amount) {
         this.pos = pos;
         this.stack = stack;
-        if (stack.hasTag())
+        this.nbtHash = stack.hasTag() ? stack.getTag().hashCode() : 0;
-            this.nbtHash = stack.getTag().hashCode();
         this.amount = amount;
     }
 
-    private PacketRequest() {
+    public PacketRequest(FriendlyByteBuf buf) {
-
+        this.pos = buf.readBlockPos();
+        this.stack = buf.readItem();
+        this.nbtHash = buf.readVarInt();
+        this.amount = buf.readVarInt();
     }
 
-    public static PacketRequest fromBytes(FriendlyByteBuf buf) {
+    @Override
-        var packet = new PacketRequest();
+    public void write(FriendlyByteBuf buf) {
-        packet.pos = buf.readBlockPos();
+        buf.writeBlockPos(this.pos);
-        packet.stack = buf.readItem();
+        buf.writeItem(this.stack);
-        packet.nbtHash = buf.readVarInt();
+        buf.writeVarInt(this.nbtHash);
-        packet.amount = buf.readVarInt();
+        buf.writeVarInt(this.amount);
-        return packet;
     }
 
-    public static void toBytes(PacketRequest packet, FriendlyByteBuf buf) {
+    @Override
-        buf.writeBlockPos(packet.pos);
+    public ResourceLocation id() {
-        buf.writeItem(packet.stack);
+        return PacketRequest.ID;
-        buf.writeVarInt(packet.nbtHash);
-        buf.writeVarInt(packet.amount);
     }
 
     @SuppressWarnings("Convert2Lambda")
-    public static void onMessage(PacketRequest message, Supplier<NetworkEvent.Context> ctx) {
+    public static void onMessage(PacketRequest message, PlayPayloadContext ctx) {
-        ctx.get().enqueueWork(new Runnable() {
+        ctx.workHandler().execute(new Runnable() {
             @Override
             public void run() {
-                Player player = ctx.get().getSender();
+                var player = ctx.player().orElseThrow();
                 var tile = Utility.getBlockEntity(ItemTerminalBlockEntity.class, player.level(), message.pos);
                 message.stack.setCount(message.amount);
                 tile.requestItem(player, message.stack, message.nbtHash);
             }
         });
-        ctx.get().setPacketHandled(true);
     }
+
 }

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

@@ -91,7 +91,7 @@ public class PipeBlock extends BaseEntityBlock {
             }
         } else if (handIn == InteractionHand.MAIN_HAND && stack.isEmpty()) {
             if (!worldIn.isClientSide)
-                NetworkHooks.openScreen((ServerPlayer) player, tile, pos);
+                player.openMenu(tile, pos);
             return InteractionResult.SUCCESS;
         }
         return InteractionResult.PASS;

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

@@ -4,7 +4,6 @@ import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.packets.PacketButton;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
 import net.minecraft.client.resources.sounds.SimpleSoundInstance;
@@ -14,6 +13,7 @@ import net.minecraft.sounds.SoundEvents;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.item.ItemStack;
 import net.neoforged.neoforge.items.SlotItemHandler;
+import net.neoforged.neoforge.network.PacketDistributor;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -152,7 +152,7 @@ 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;
-            PacketHandler.sendToServer(new PacketButton(AbstractPipeGui.this.menu.tile.getBlockPos(), PacketButton.ButtonResult.PIPE_TAB, this.index));
+            PacketDistributor.SERVER.noArg().send(new PacketButton(AbstractPipeGui.this.menu.tile.getBlockPos(), PacketButton.ButtonResult.PIPE_TAB, this.index));
             AbstractPipeGui.this.getMinecraft().getSoundManager().play(SimpleSoundInstance.forUI(SoundEvents.UI_BUTTON_CLICK, 1));
             return true;
         }

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

@@ -38,7 +38,7 @@ public class PressurizerBlock extends BaseEntityBlock {
         if (tile == null)
             return InteractionResult.PASS;
         if (!worldIn.isClientSide)
-            NetworkHooks.openScreen((ServerPlayer) player, tile, pos);
+            player.openMenu(tile, pos);
         return InteractionResult.SUCCESS;
     }
 

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

@@ -8,7 +8,6 @@ import de.ellpeck.prettypipes.misc.ItemEquality;
 import de.ellpeck.prettypipes.network.NetworkLocation;
 import de.ellpeck.prettypipes.network.PipeNetwork;
 import de.ellpeck.prettypipes.packets.PacketGhostSlot;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.terminal.containers.CraftingTerminalContainer;
 import net.minecraft.ChatFormatting;
@@ -24,6 +23,7 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.state.BlockState;
 import net.neoforged.neoforge.items.ItemHandlerHelper;
 import net.neoforged.neoforge.items.ItemStackHandler;
+import net.neoforged.neoforge.network.PacketDistributor;
 import org.apache.commons.lang3.mutable.MutableInt;
 
 import javax.annotation.Nullable;
@@ -98,7 +98,7 @@ public class CraftingTerminalBlockEntity extends ItemTerminalBlockEntity {
             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))));
-            PacketHandler.sendToAllLoaded(this.level, this.getBlockPos(), new PacketGhostSlot(this.getBlockPos(), clients));
+            PacketDistributor.TRACKING_CHUNK.with(this.level.getChunkAt(this.getBlockPos())).send(new PacketGhostSlot(this.getBlockPos(), clients));
         }
     }
 
@@ -244,4 +244,5 @@ public class CraftingTerminalBlockEntity extends ItemTerminalBlockEntity {
         }
         return lowestAvailable;
     }
+
 }

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

@@ -44,7 +44,7 @@ public class ItemTerminalBlock extends BaseEntityBlock {
             return InteractionResult.SUCCESS;
         }
         if (!worldIn.isClientSide) {
-            NetworkHooks.openScreen((ServerPlayer) player, tile, pos);
+            player.openMenu(tile, pos);
             tile.updateItems(player);
         }
         return InteractionResult.SUCCESS;

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

@@ -9,7 +9,6 @@ import de.ellpeck.prettypipes.network.NetworkItem;
 import de.ellpeck.prettypipes.network.NetworkLocation;
 import de.ellpeck.prettypipes.network.NetworkLock;
 import de.ellpeck.prettypipes.network.PipeNetwork;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import de.ellpeck.prettypipes.packets.PacketNetworkItems;
 import de.ellpeck.prettypipes.pipe.ConnectionType;
 import de.ellpeck.prettypipes.pipe.IPipeConnectable;
@@ -22,6 +21,7 @@ import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.Style;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.MenuProvider;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
@@ -141,7 +141,7 @@ public class ItemTerminalBlockEntity extends BlockEntity implements IPipeConnect
                     continue;
                 if (container.tile != this)
                     continue;
-                PacketHandler.sendTo(player, new PacketNetworkItems(clientItems, clientCraftables, currentlyCrafting));
+                ((ServerPlayer) player).connection.send(new PacketNetworkItems(clientItems, clientCraftables, currentlyCrafting));
             }
         }
     }

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

@@ -3,13 +3,13 @@ package de.ellpeck.prettypipes.terminal.containers;
 import com.mojang.blaze3d.platform.InputConstants;
 import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.packets.PacketButton;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.entity.player.Inventory;
+import net.neoforged.neoforge.network.PacketDistributor;
 
 public class CraftingTerminalGui extends ItemTerminalGui {
 
@@ -28,7 +28,7 @@ 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;
-            PacketHandler.sendToServer(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CRAFT_TERMINAL_REQUEST, amount, force));
+            PacketDistributor.SERVER.noArg().send(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CRAFT_TERMINAL_REQUEST, amount, force));
         }).bounds(this.leftPos + 8, this.topPos + 100, 50, 20).build());
         this.tick();
     }
@@ -47,7 +47,6 @@ public class CraftingTerminalGui extends ItemTerminalGui {
         }
     }
 
-
     @Override
     protected void renderLabels(GuiGraphics graphics, int mouseX, int mouseY) {
         super.renderLabels(graphics, mouseX, mouseY);
@@ -82,4 +81,5 @@ public class CraftingTerminalGui extends ItemTerminalGui {
     protected CraftingTerminalContainer getCraftingContainer() {
         return (CraftingTerminalContainer) this.menu;
     }
+
 }

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

@@ -5,7 +5,6 @@ import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.misc.ItemTerminalWidget;
 import de.ellpeck.prettypipes.misc.PlayerPrefs;
 import de.ellpeck.prettypipes.packets.PacketButton;
-import de.ellpeck.prettypipes.packets.PacketHandler;
 import de.ellpeck.prettypipes.packets.PacketRequest;
 import joptsimple.internal.Strings;
 import net.minecraft.client.gui.GuiGraphics;
@@ -23,6 +22,7 @@ import net.minecraft.util.Mth;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.TooltipFlag;
+import net.neoforged.neoforge.network.PacketDistributor;
 import org.apache.commons.lang3.tuple.Pair;
 
 import java.util.*;
@@ -91,7 +91,7 @@ public class ItemTerminalGui extends AbstractContainerScreen<ItemTerminalContain
                 return;
             var stack = widget.get().stack.copy();
             stack.setCount(1);
-            PacketHandler.sendToServer(new PacketRequest(this.menu.tile.getBlockPos(), stack, this.requestAmount));
+            PacketDistributor.SERVER.noArg().send(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 +159,7 @@ 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()) {
-                PacketHandler.sendToServer(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CANCEL_CRAFTING));
+                PacketDistributor.SERVER.noArg().send(new PacketButton(this.menu.tile.getBlockPos(), PacketButton.ButtonResult.CANCEL_CRAFTING));
                 return true;
             }
         }