compile fixes

patches/server/0010-Adventure.patch

@@ -641,7 +641,7 @@ index 0000000000000000000000000000000000000000..23bd6d2d8fed5a3491e856f8b875456d
 +}
 diff --git a/src/main/java/io/papermc/paper/adventure/ChatProcessor.java b/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..bfb1904be53112cdff62001c3307c7d5ef89704c
+index 0000000000000000000000000000000000000000..69347ac0547cba3842040f89615e721b5d1ac3ca
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
 @@ -0,0 +1,376 @@
@@ -925,7 +925,7 @@ index 0000000000000000000000000000000000000000..bfb1904be53112cdff62001c3307c7d5
 +
 +        private net.kyori.adventure.chat.ChatType.Bound adventure(ChatType.Bound chatType) {
 +            @Subst("key:value") final String stringKey = Objects.requireNonNull(
-+                ChatProcessor.this.server.registryAccess().registryOrThrow(Registries.CHAT_TYPE).getKey(chatType.chatType()),
++                chatType.chatType().unwrapKey().orElseThrow().location(),
 +                () -> "No key for '%s' in CHAT_TYPE registry.".formatted(chatType)
 +            ).toString();
 +            net.kyori.adventure.chat.@Nullable ChatType adventure = BUILT_IN_CHAT_TYPES.get(stringKey);
@@ -934,7 +934,7 @@ index 0000000000000000000000000000000000000000..bfb1904be53112cdff62001c3307c7d5
 +            }
 +            return adventure.bind(
 +                PaperAdventure.asAdventure(chatType.name()),
-+                PaperAdventure.asAdventure(chatType.targetName())
++                chatType.targetName().map(PaperAdventure::asAdventure).orElse(null)
 +            );
 +        }
 +
@@ -3587,7 +3587,7 @@ index 9ef8b0327e377817faaf58b82a8fdfa5e801eac8..2dfbe061a064b0c79b96f644a1c3639b
      public String getCustomName() {
          BeaconBlockEntity beacon = this.getSnapshot();
 diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java
-index f9b89a7c6ac9f7fdbd29567a5b6550398dbc7345..2789d29f5be041a550618d455bb8912ee5162663 100644
+index f9b89a7c6ac9f7fdbd29567a5b6550398dbc7345..f5b0bec4c1164fe7ef6da1f19a6ce9bb3d6864d0 100644
 --- a/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java
 +++ b/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java
 @@ -45,4 +45,16 @@ public class CraftCommandBlock extends CraftBlockEntityState<CommandBlockEntity>
@@ -3603,7 +3603,7 @@ index f9b89a7c6ac9f7fdbd29567a5b6550398dbc7345..2789d29f5be041a550618d455bb8912e
 +
 +    @Override
 +    public void name(net.kyori.adventure.text.Component name) {
-+        getSnapshot().getCommandBlock().setName(name == null ? net.minecraft.network.chat.Component.literal("@") : io.papermc.paper.adventure.PaperAdventure.asVanilla(name));
++        getSnapshot().getCommandBlock().setCustomName(name == null ? net.minecraft.network.chat.Component.literal("@") : io.papermc.paper.adventure.PaperAdventure.asVanilla(name));
 +    }
 +    // Paper end
  }

patches/server/0094-Option-to-use-vanilla-per-world-scoreboard-coloring-.patch

@@ -12,7 +12,7 @@ for this on CB at one point but I can't find it. We may need to do this
 ourselves at some point in the future.
 
 diff --git a/src/main/java/io/papermc/paper/adventure/ChatProcessor.java b/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
-index bfb1904be53112cdff62001c3307c7d5ef89704c..1d78e8beacbc93ef2cd6beb418edca843f8a5429 100644
+index 69347ac0547cba3842040f89615e721b5d1ac3ca..e83f9517b31c5171b8dc75ab63a5bfe654221c84 100644
 --- a/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
 +++ b/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
 @@ -20,6 +20,7 @@ import net.kyori.adventure.audience.ForwardingAudience;

patches/server/0297-Mob-Spawner-API-Enhancements.patch

@@ -69,10 +69,10 @@ index 1d0964a7f544735a0213d5c7832c71f53db139a9..b90127f9f805fdb5bb43a4b8ad2b1049
          nbt.putShort("MaxNearbyEntities", (short) this.maxNearbyEntities);
          nbt.putShort("RequiredPlayerRange", (short) this.requiredPlayerRange);
 diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java b/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
-index 1a8fe7adf7c3ab9eb4cbc9847df4cfc872b97921..03a464bcb38b23e44bc02d632d469aab1c8b5b23 100644
+index 1a8fe7adf7c3ab9eb4cbc9847df4cfc872b97921..ebd6b07b8bcad3bc621fe99b0bee394fd2dd154f 100644
 --- a/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
 +++ b/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
-@@ -256,4 +256,28 @@ public class CraftCreatureSpawner extends CraftBlockEntityState<SpawnerBlockEnti
+@@ -256,4 +256,36 @@ public class CraftCreatureSpawner extends CraftBlockEntityState<SpawnerBlockEnti
                  new HashMap<>(nms.slotDropChances().entrySet().stream().collect(Collectors.toMap((entry) -> CraftEquipmentSlot.getSlot(entry.getKey()), Map.Entry::getValue)))
          )).orElse(null);
      }
@@ -96,8 +96,16 @@ index 1a8fe7adf7c3ab9eb4cbc9847df4cfc872b97921..03a464bcb38b23e44bc02d632d469aab
 +        net.minecraft.world.item.ItemStack item = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(itemStack);
 +        net.minecraft.nbt.CompoundTag entity = new net.minecraft.nbt.CompoundTag();
 +        entity.putString("id", net.minecraft.core.registries.BuiltInRegistries.ENTITY_TYPE.getKey(net.minecraft.world.entity.EntityType.ITEM).toString());
-+        entity.put("Item", item.save(new net.minecraft.nbt.CompoundTag()));
++        entity.put("Item", item.save(this.world.getHandle().registryAccess()));
-+        this.getSnapshot().getSpawner().setNextSpawnData(this.isPlaced() ? this.world.getHandle() : null, this.getPosition(), new net.minecraft.world.level.SpawnData(entity, java.util.Optional.empty()));
++        this.getSnapshot().getSpawner().setNextSpawnData(
++            this.isPlaced() ? this.world.getHandle() : null,
++            this.getPosition(),
++            new net.minecraft.world.level.SpawnData(
++                entity,
++                java.util.Optional.empty(),
++                Optional.ofNullable(this.getSnapshot().getSpawner().nextSpawnData).flatMap(SpawnData::equipment)
++            )
++        );
 +    }
 +    // Paper end
  }

patches/server/0365-Implement-Mob-Goal-API.patch

@@ -18,7 +18,7 @@ index 22f27a1ee5bf09247d9bcd50141add4116035735..fb7e956fd7beb741984780a949223091
      testImplementation("org.mockito:mockito-core:5.11.0")
 diff --git a/src/main/java/com/destroystokyo/paper/entity/ai/MobGoalHelper.java b/src/main/java/com/destroystokyo/paper/entity/ai/MobGoalHelper.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..e9683b5a76b2dd7fc90f1d2e4538b1abbbe27ef0
+index 0000000000000000000000000000000000000000..74778e5089814dd3a28e91738e82dfd7b8eb8d4c
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/entity/ai/MobGoalHelper.java
 @@ -0,0 +1,376 @@
@@ -273,7 +273,7 @@ index 0000000000000000000000000000000000000000..e9683b5a76b2dd7fc90f1d2e4538b1ab
 +    }
 +
 +    public static String getUsableName(Class<?> clazz) {
-+        String name = MappingEnvironment.reobf() ? ObfHelper.INSTANCE.deobfClassName(clazz.getName()) : clazz.getName();
++        String name = io.papermc.paper.util.MappingEnvironment.reobf() ? ObfHelper.INSTANCE.deobfClassName(clazz.getName()) : clazz.getName();
 +        name = name.substring(name.lastIndexOf(".") + 1);
 +        boolean flag = false;
 +        // inner classes
@@ -459,10 +459,10 @@ index 0000000000000000000000000000000000000000..b5f75ad725f5933db8f0688b2c0b27d6
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/entity/ai/PaperMobGoals.java b/src/main/java/com/destroystokyo/paper/entity/ai/PaperMobGoals.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..953b0f88cbf0e73c390f8086344f772ac03192bb
+index 0000000000000000000000000000000000000000..02b3670cfc04209baa56d89f82b65ee30d656923
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/entity/ai/PaperMobGoals.java
-@@ -0,0 +1,213 @@
+@@ -0,0 +1,216 @@
 +package com.destroystokyo.paper.entity.ai;
 +
 +import java.util.Collection;
@@ -625,7 +625,8 @@ index 0000000000000000000000000000000000000000..953b0f88cbf0e73c390f8086344f772a
 +    public <T extends Mob> Collection<Goal<T>> getRunningGoals(T mob, GoalType type) {
 +        CraftMob craftMob = (CraftMob) mob;
 +        Set<Goal<T>> goals = new HashSet<>();
-+        getHandle(craftMob, type).getRunningGoals()
++        getHandle(craftMob, type).getAvailableGoals()
++            .stream().filter(WrappedGoal::isRunning)
 +            .filter(item -> item.getGoal().getFlags().contains(MobGoalHelper.paperToVanilla(type)))
 +            .forEach(item -> {
 +                if (item.getGoal() instanceof PaperCustomGoal) {
@@ -646,7 +647,9 @@ index 0000000000000000000000000000000000000000..953b0f88cbf0e73c390f8086344f772a
 +            if (internalType == type) {
 +                continue;
 +            }
-+            getHandle(craftMob, internalType).getRunningGoals()
++            getHandle(craftMob, internalType).getAvailableGoals()
++                .stream()
++                .filter(WrappedGoal::isRunning)
 +                .filter(item -> !item.getGoal().getFlags().contains(MobGoalHelper.paperToVanilla(type)))
 +                .forEach(item -> {
 +                    if (item.getGoal() instanceof PaperCustomGoal) {

patches/server/0388-Paper-dumpitem-command.patch

@@ -19,10 +19,10 @@ index 69d093d3450931038ac3d27d7874060d13dc2225..27775df10a490ff75ca377e837393173
              .flatMap(entry -> entry.getKey().stream().map(s -> Map.entry(s, entry.getValue())))
 diff --git a/src/main/java/io/papermc/paper/command/subcommands/DumpItemCommand.java b/src/main/java/io/papermc/paper/command/subcommands/DumpItemCommand.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..5f0b0fe73a47e6a5ca8706f11e78b4b08e6ccd9a
+index 0000000000000000000000000000000000000000..5b97a873d20821836820ce2bde54771dc3b86226
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/command/subcommands/DumpItemCommand.java
-@@ -0,0 +1,59 @@
+@@ -0,0 +1,62 @@
 +package io.papermc.paper.command.subcommands;
 +
 +import io.papermc.paper.adventure.PaperAdventure;
@@ -57,6 +57,8 @@ index 0000000000000000000000000000000000000000..5f0b0fe73a47e6a5ca8706f11e78b4b0
 +    }
 +
 +    private void doDumpItem(final CommandSender sender) {
++        if (true) throw new UnsupportedOperationException("FIXME"); // TODO
++        /*
 +        if (!(sender instanceof Player)) {
 +            sender.sendMessage("Only players can use this command");
 +            return;
@@ -80,5 +82,6 @@ index 0000000000000000000000000000000000000000..5f0b0fe73a47e6a5ca8706f11e78b4b0
 +            .color(GRAY)
 +            .decorate(ITALIC)
 +            .clickEvent(ClickEvent.copyToClipboard(tag == null ? itemId : (itemId + tag))));
++         */
 +    }
 +}

patches/server/0577-Missing-Entity-API.patch

@@ -44,7 +44,7 @@ Co-authored-by: FireInstall <kettnerl@hu-berlin.de>
 Co-authored-by: maxcom1 <46265094+maxcom1@users.noreply.github.com>
 
 diff --git a/src/main/java/com/destroystokyo/paper/entity/ai/MobGoalHelper.java b/src/main/java/com/destroystokyo/paper/entity/ai/MobGoalHelper.java
-index e9683b5a76b2dd7fc90f1d2e4538b1abbbe27ef0..62a8957cf73c3101ade104f18834a73bf8d594c2 100644
+index 74778e5089814dd3a28e91738e82dfd7b8eb8d4c..86933746b211a8fa7006b6854c42234a78a37843 100644
 --- a/src/main/java/com/destroystokyo/paper/entity/ai/MobGoalHelper.java
 +++ b/src/main/java/com/destroystokyo/paper/entity/ai/MobGoalHelper.java
 @@ -165,7 +165,7 @@ public class MobGoalHelper {

patches/server/0602-More-CommandBlock-API.patch

@@ -44,7 +44,7 @@ index 0000000000000000000000000000000000000000..0b42306f17bf8850a13a51067c2d19e7
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java
-index 2789d29f5be041a550618d455bb8912ee5162663..0842a69d711a4e4e3a653e5d1967d44fd31e5829 100644
+index f5b0bec4c1164fe7ef6da1f19a6ce9bb3d6864d0..138e6539a7786ded482a24aa88a367da7beaabf9 100644
 --- a/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java
 +++ b/src/main/java/org/bukkit/craftbukkit/block/CraftCommandBlock.java
 @@ -6,7 +6,7 @@ import org.bukkit.World;
@@ -58,7 +58,7 @@ index 2789d29f5be041a550618d455bb8912ee5162663..0842a69d711a4e4e3a653e5d1967d44f
          super(world, tileEntity);
 @@ -56,5 +56,10 @@ public class CraftCommandBlock extends CraftBlockEntityState<CommandBlockEntity>
      public void name(net.kyori.adventure.text.Component name) {
-         getSnapshot().getCommandBlock().setName(name == null ? net.minecraft.network.chat.Component.literal("@") : io.papermc.paper.adventure.PaperAdventure.asVanilla(name));
+         getSnapshot().getCommandBlock().setCustomName(name == null ? net.minecraft.network.chat.Component.literal("@") : io.papermc.paper.adventure.PaperAdventure.asVanilla(name));
      }
 +
 +    @Override

patches/server/0959-ItemStack-Tooltip-API.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] ItemStack Tooltip API
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
-index c6ce4e9428b5d6d117def376accdfb0c12b49565..901ce145d8b034559256cf10d97f46ecff1a4003 100644
+index c6ce4e9428b5d6d117def376accdfb0c12b49565..b8f9731e9fbe435242d7d3ec54ca65871a763562 100644
 --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
-@@ -662,6 +662,18 @@ public final class CraftMagicNumbers implements UnsafeValues {
+@@ -662,6 +662,20 @@ public final class CraftMagicNumbers implements UnsafeValues {
          return org.bukkit.craftbukkit.CraftStatistic.getNMSStatistic(statistic).getName();
      }
      // Paper end
@@ -20,7 +20,9 @@ index c6ce4e9428b5d6d117def376accdfb0c12b49565..901ce145d8b034559256cf10d97f46ec
 +        if (tooltipContext.isCreative()) {
 +            flag = flag.asCreative();
 +        }
-+        final java.util.List<net.minecraft.network.chat.Component> lines = CraftItemStack.asNMSCopy(itemStack).getTooltipLines(player == null ? null : ((org.bukkit.craftbukkit.entity.CraftPlayer) player).getHandle(), flag);
++        final java.util.List<net.minecraft.network.chat.Component> lines = CraftItemStack.asNMSCopy(itemStack).getTooltipLines(
++            net.minecraft.world.item.Item.TooltipContext.of(player == null ? net.minecraft.server.MinecraftServer.getServer().registryAccess() : ((org.bukkit.craftbukkit.entity.CraftPlayer) player).getHandle().level().registryAccess()),
++            player == null ? null : ((org.bukkit.craftbukkit.entity.CraftPlayer) player).getHandle(), flag);
 +        return lines.stream().map(io.papermc.paper.adventure.PaperAdventure::asAdventure).toList();
 +    }
 +    // Paper end - expose itemstack tooltip lines

patches/server/0980-Rewrite-dataconverter-system.patch

@@ -28899,7 +28899,7 @@ index 1d287dd7379e56f7fd4b425880b850cd843f5789..8ab7ca373a885fbe658013c9c6a2e38d
              return nbttagcompound;
          });
 diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
-index 901ce145d8b034559256cf10d97f46ecff1a4003..1bdd20802bde86b40a78b336bffeab765841062c 100644
+index b8f9731e9fbe435242d7d3ec54ca65871a763562..96354aeb0ac36b7d2d3370974380c1a0a58c3276 100644
 --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
 @@ -517,7 +517,7 @@ public final class CraftMagicNumbers implements UnsafeValues {

patches/server/0985-Rewrite-chunk-system.patch

@@ -8861,23 +8861,23 @@ index 0000000000000000000000000000000000000000..049e20407033073b06fcdeb46c38485f
 +}
 diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkUpgradeGenericStatusTask.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkUpgradeGenericStatusTask.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..5024aafbe607b1fa884fcab42fc05da30a54e185
+index 0000000000000000000000000000000000000000..259fd6024fb2a4fae1a5751324311f19fed47862
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkUpgradeGenericStatusTask.java
-@@ -0,0 +1,212 @@
+@@ -0,0 +1,216 @@
 +package io.papermc.paper.chunk.system.scheduling;
 +
 +import ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor;
 +import ca.spottedleaf.concurrentutil.util.ConcurrentUtil;
-+import com.mojang.datafixers.util.Either;
 +import com.mojang.logging.LogUtils;
-+import net.minecraft.server.level.ChunkHolder;
 +import net.minecraft.server.level.ChunkMap;
++import net.minecraft.server.level.ChunkResult;
 +import net.minecraft.server.level.ServerChunkCache;
 +import net.minecraft.server.level.ServerLevel;
 +import net.minecraft.world.level.chunk.ChunkAccess;
 +import net.minecraft.world.level.chunk.status.ChunkStatus;
 +import net.minecraft.world.level.chunk.ProtoChunk;
++import net.minecraft.world.level.chunk.status.WorldGenContext;
 +import org.slf4j.Logger;
 +import java.lang.invoke.VarHandle;
 +import java.util.List;
@@ -8931,7 +8931,7 @@ index 0000000000000000000000000000000000000000..5024aafbe607b1fa884fcab42fc05da3
 +        final ServerChunkCache serverChunkCache = this.world.chunkSource;
 +        final ChunkMap chunkMap = serverChunkCache.chunkMap;
 +
-+        final CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> completeFuture;
++        final CompletableFuture<ChunkAccess> completeFuture;
 +
 +        final boolean generation;
 +        boolean completing = false;
@@ -8939,6 +8939,12 @@ index 0000000000000000000000000000000000000000..5024aafbe607b1fa884fcab42fc05da3
 +        // note: should optimise the case where the chunk does not need to execute the status, because
 +        // schedule() calls this synchronously if it will run through that path
 +
++        final WorldGenContext ctx = new WorldGenContext(
++            this.world,
++            chunkMap.generator,
++            chunkMap.getWorldGenContext().structureManager(),
++            serverChunkCache.getLightEngine()
++        );
 +        try {
 +            generation = !chunk.getStatus().isOrAfter(this.toStatus);
 +            if (generation) {
@@ -8950,12 +8956,10 @@ index 0000000000000000000000000000000000000000..5024aafbe607b1fa884fcab42fc05da3
 +                    this.complete(chunk, null);
 +                    return;
 +                }
-+                completeFuture = this.toStatus.generate(Runnable::run, this.world, chunkMap.generator, chunkMap.structureTemplateManager,
++                completeFuture = this.toStatus.generate(ctx, Runnable::run, null, this.neighbours)
-+                    serverChunkCache.getLightEngine(), null, this.neighbours)
++                    .whenComplete((final ChunkAccess either, final Throwable throwable) -> {
-+                    .whenComplete((final Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure> either, final Throwable throwable) -> {
++						if (either instanceof ProtoChunk proto) {
-+                        final ChunkAccess newChunk = (either == null) ? null : either.left().orElse(null);
++                            proto.setStatus(ChunkUpgradeGenericStatusTask.this.toStatus);
-+                        if (newChunk instanceof ProtoChunk) {
-+                            ((ProtoChunk)newChunk).setStatus(ChunkUpgradeGenericStatusTask.this.toStatus);
 +                        }
 +                    }
 +                );
@@ -8965,7 +8969,7 @@ index 0000000000000000000000000000000000000000..5024aafbe607b1fa884fcab42fc05da3
 +                    this.complete(chunk, null);
 +                    return;
 +                }
-+                completeFuture = this.toStatus.load(this.world, chunkMap.structureTemplateManager, serverChunkCache.getLightEngine(), null, chunk);
++                completeFuture = this.toStatus.load(ctx, null, chunk);
 +            }
 +        } catch (final Throwable throwable) {
 +            if (!completing) {
@@ -8996,12 +9000,12 @@ index 0000000000000000000000000000000000000000..5024aafbe607b1fa884fcab42fc05da3
 +            LOGGER.warn("Future status not complete after scheduling: " + this.toStatus.toString() + ", generate: " + generation);
 +        }
 +
-+        final Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure> either;
++        final ChunkResult<ChunkAccess> either;
 +        final ChunkAccess newChunk;
 +
 +        try {
 +            either = completeFuture.join();
-+            newChunk = (either == null) ? null : either.left().orElse(null);
++            newChunk = (either == null) ? null : either.orElse(null);
 +        } catch (final Throwable throwable) {
 +            this.complete(null, throwable);
 +            // ensure the chunk system can respond, then die

patches/server/0993-Flat-bedrock-generator-settings.patch

@@ -20,13 +20,14 @@ Co-authored-by: Noah van der Aa <ndvdaa@gmail.com>
 
 diff --git a/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java b/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..02d98ec591b676acf64460d14d608860d32a362a
+index 0000000000000000000000000000000000000000..e0d73113c937ddbcf8144f88b15a8d3d080b90a0
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/world/worldgen/OptionallyFlatBedrockConditionSource.java
-@@ -0,0 +1,76 @@
+@@ -0,0 +1,80 @@
 +package io.papermc.paper.world.worldgen;
 +
 +import com.mojang.serialization.Codec;
++import com.mojang.serialization.MapCodec;
 +import com.mojang.serialization.codecs.RecordCodecBuilder;
 +import net.minecraft.core.Registry;
 +import net.minecraft.core.registries.BuiltInRegistries;
@@ -46,7 +47,10 @@ index 0000000000000000000000000000000000000000..02d98ec591b676acf64460d14d608860
 +@DefaultQualifier(NonNull.class)
 +public record OptionallyFlatBedrockConditionSource(ResourceLocation randomName, VerticalAnchor trueAtAndBelow, VerticalAnchor falseAtAndAbove, boolean isRoof) implements SurfaceRules.ConditionSource {
 +
-+    private static final ResourceKey<Codec<? extends SurfaceRules.ConditionSource>> CODEC_RESOURCE_KEY = ResourceKey.create(Registries.MATERIAL_CONDITION, new ResourceLocation(ResourceLocation.PAPER_NAMESPACE, "optionally_flat_bedrock_condition_source"));
++    private static final ResourceKey<MapCodec<? extends SurfaceRules.ConditionSource>> CODEC_RESOURCE_KEY = ResourceKey.create(
++        Registries.MATERIAL_CONDITION,
++        new ResourceLocation(ResourceLocation.PAPER_NAMESPACE, "optionally_flat_bedrock_condition_source")
++    );
 +    private static final KeyDispatchDataCodec<OptionallyFlatBedrockConditionSource> CODEC = KeyDispatchDataCodec.of(RecordCodecBuilder.mapCodec((instance) -> {
 +        return instance.group(
 +            ResourceLocation.CODEC.fieldOf("random_name").forGetter(OptionallyFlatBedrockConditionSource::randomName),