it compiles!!

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

@@ -62,7 +62,9 @@ import net.minecraft.world.item.CreativeModeTab;
 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.SoundType;
 import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockBehaviour.Properties;
 import net.neoforged.bus.api.SubscribeEvent;
 import net.neoforged.fml.common.Mod;
 import net.neoforged.fml.event.lifecycle.FMLClientSetupEvent;
@@ -114,10 +116,10 @@ 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());
+            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());
+            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());
+            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());
+            h.register(new ResourceLocation(PrettyPipes.ID, "pressurizer"), Registry.pressurizerBlock = new PressurizerBlock(Properties.of().strength(3).sound(SoundType.STONE)));
         });
 
         event.register(Registries.ITEM, h -> {

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

@@ -1,13 +1,13 @@
 package de.ellpeck.prettypipes.pipe;
 
 import com.google.common.collect.ImmutableMap;
+import com.mojang.serialization.MapCodec;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.Utility;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.network.PipeNetwork;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
-import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.tags.FluidTags;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
@@ -22,6 +22,7 @@ import net.minecraft.world.level.block.*;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityTicker;
 import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockBehaviour;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.block.state.StateDefinition;
 import net.minecraft.world.level.block.state.properties.BlockStateProperties;
@@ -46,6 +47,8 @@ import java.util.function.Function;
 
 public class PipeBlock extends BaseEntityBlock {
 
+    public static final MapCodec<PipeBlock> CODEC = BlockBehaviour.simpleCodec(PipeBlock::new);
+
     public static final Map<Direction, EnumProperty<ConnectionType>> DIRECTIONS = new HashMap<>();
     private static final Map<Pair<BlockState, BlockState>, VoxelShape> SHAPE_CACHE = new HashMap<>();
     private static final Map<Pair<BlockState, BlockState>, VoxelShape> COLL_SHAPE_CACHE = new HashMap<>();
@@ -64,8 +67,8 @@ public class PipeBlock extends BaseEntityBlock {
             PipeBlock.DIRECTIONS.put(dir, EnumProperty.create(dir.getName(), ConnectionType.class));
     }
 
-    public PipeBlock() {
+    public PipeBlock(Block.Properties properties) {
-        super(Block.Properties.of().strength(2).sound(SoundType.STONE).noOcclusion());
+        super(properties);
 
         var state = this.defaultBlockState().setValue(BlockStateProperties.WATERLOGGED, false);
         for (var prop : PipeBlock.DIRECTIONS.values())
@@ -294,6 +297,11 @@ public class PipeBlock extends BaseEntityBlock {
         return new PipeBlockEntity(pos, state);
     }
 
+    @Override
+    protected MapCodec<? extends BaseEntityBlock> codec() {
+        return PipeBlock.CODEC;
+    }
+
     @Override
     public RenderShape getRenderShape(BlockState state) {
         return RenderShape.MODEL;

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

@@ -1,11 +1,11 @@
 package de.ellpeck.prettypipes.pressurizer;
 
+import com.mojang.serialization.MapCodec;
 import de.ellpeck.prettypipes.Registry;
 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.server.level.ServerPlayer;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
@@ -15,7 +15,6 @@ 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;
-import net.minecraft.world.level.block.SoundType;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityTicker;
 import net.minecraft.world.level.block.entity.BlockEntityType;
@@ -28,8 +27,15 @@ import java.util.List;
 
 public class PressurizerBlock extends BaseEntityBlock {
 
-    public PressurizerBlock() {
+    public static final MapCodec<PressurizerBlock> CODEC = BlockBehaviour.simpleCodec(PressurizerBlock::new);
-        super(BlockBehaviour.Properties.of().strength(3).sound(SoundType.STONE));
+
+    public PressurizerBlock(Properties properties) {
+        super(properties);
+    }
+
+    @Override
+    protected MapCodec<? extends BaseEntityBlock> codec() {
+        return PressurizerBlock.CODEC;
     }
 
     @Override

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

@@ -1,5 +1,6 @@
 package de.ellpeck.prettypipes.terminal;
 
+import com.mojang.serialization.MapCodec;
 import de.ellpeck.prettypipes.Registry;
 import net.minecraft.core.BlockPos;
 import net.minecraft.world.level.Level;
@@ -7,10 +8,22 @@ import net.minecraft.world.level.block.BaseEntityBlock;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityTicker;
 import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockBehaviour;
 import net.minecraft.world.level.block.state.BlockState;
 
 public class CraftingTerminalBlock extends ItemTerminalBlock {
 
+    public static final MapCodec<CraftingTerminalBlock> CODEC = BlockBehaviour.simpleCodec(CraftingTerminalBlock::new);
+
+    public CraftingTerminalBlock(Properties properties) {
+        super(properties);
+    }
+
+    @Override
+    protected MapCodec<? extends BaseEntityBlock> codec() {
+        return CraftingTerminalBlock.CODEC;
+    }
+
     @Override
     public @org.jetbrains.annotations.Nullable BlockEntity newBlockEntity(BlockPos pos, BlockState state) {
         return new CraftingTerminalBlockEntity(pos, state);
@@ -21,4 +34,5 @@ public class CraftingTerminalBlock extends ItemTerminalBlock {
     public <T extends BlockEntity> BlockEntityTicker<T> getTicker(Level level, BlockState state, BlockEntityType<T> type) {
         return BaseEntityBlock.createTickerHelper(type, Registry.craftingTerminalBlockEntity, ItemTerminalBlockEntity::tick);
     }
+
 }

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

@@ -1,12 +1,12 @@
 package de.ellpeck.prettypipes.terminal;
 
+import com.mojang.serialization.MapCodec;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.Utility;
 import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.network.chat.Component;
-import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
@@ -16,10 +16,10 @@ 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;
-import net.minecraft.world.level.block.SoundType;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityTicker;
 import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockBehaviour;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.BlockHitResult;
 
@@ -28,8 +28,15 @@ import java.util.List;
 
 public class ItemTerminalBlock extends BaseEntityBlock {
 
-    public ItemTerminalBlock() {
+    public static final MapCodec<ItemTerminalBlock> CODEC = BlockBehaviour.simpleCodec(ItemTerminalBlock::new);
-        super(Properties.of().strength(3).sound(SoundType.STONE));
+
+    public ItemTerminalBlock(Properties properties) {
+        super(properties);
+    }
+
+    @Override
+    protected MapCodec<? extends BaseEntityBlock> codec() {
+        return ItemTerminalBlock.CODEC;
     }
 
     @Override