--- a/net/minecraft/world/level/storage/Convertable.java
+++ b/net/minecraft/world/level/storage/Convertable.java
@@ -77,6 +77,10 @@
 import net.minecraft.world.level.validation.PathAllowList;
 import org.slf4j.Logger;
 
+// CraftBukkit start
+import net.minecraft.world.level.dimension.WorldDimension;
+// CraftBukkit end
+
 public class Convertable {
 
     static final Logger LOGGER = LogUtils.getLogger();
@@ -148,7 +152,7 @@
     }
 
     public static WorldDataConfiguration readDataConfig(Dynamic<?> dynamic) {
-        DataResult dataresult = WorldDataConfiguration.CODEC.parse(dynamic);
+        DataResult<WorldDataConfiguration> dataresult = WorldDataConfiguration.CODEC.parse(dynamic); // CraftBukkit - decompile error
         Logger logger = Convertable.LOGGER;
 
         Objects.requireNonNull(logger);
@@ -167,6 +171,7 @@
         WorldDimensions.b worlddimensions_b = generatorsettings.dimensions().bake(iregistry);
         Lifecycle lifecycle = worlddimensions_b.lifecycle().add(iregistrycustom_dimension.allRegistriesLifecycle());
         WorldDataServer worlddataserver = WorldDataServer.parse(dynamic1, worldsettings, worlddimensions_b.specialWorldProperty(), generatorsettings.options(), lifecycle);
+        worlddataserver.pdc = ((Dynamic<NBTBase>) dynamic1).getElement("BukkitValues", null); // CraftBukkit - Add PDC to world
 
         return new LevelDataAndDimensions(worlddataserver, worlddimensions_b);
     }
@@ -409,27 +414,41 @@
         return this.backupDir;
     }
 
-    public Convertable.ConversionSession validateAndCreateAccess(String s) throws IOException, ContentValidationException {
+    public Convertable.ConversionSession validateAndCreateAccess(String s, ResourceKey<WorldDimension> dimensionType) throws IOException, ContentValidationException { // CraftBukkit
         Path path = this.getLevelPath(s);
         List<ForbiddenSymlinkInfo> list = this.worldDirValidator.validateDirectory(path, true);
 
         if (!list.isEmpty()) {
             throw new ContentValidationException(path, list);
         } else {
-            return new Convertable.ConversionSession(s, path);
+            return new Convertable.ConversionSession(s, path, dimensionType); // CraftBukkit
         }
     }
 
-    public Convertable.ConversionSession createAccess(String s) throws IOException {
+    public Convertable.ConversionSession createAccess(String s, ResourceKey<WorldDimension> dimensionType) throws IOException { // CraftBukkit
         Path path = this.getLevelPath(s);
 
-        return new Convertable.ConversionSession(s, path);
+        return new Convertable.ConversionSession(s, path, dimensionType); // CraftBukkit
     }
 
     public DirectoryValidator getWorldDirValidator() {
         return this.worldDirValidator;
     }
 
+    // CraftBukkit start
+    public static Path getStorageFolder(Path path, ResourceKey<WorldDimension> dimensionType) {
+        if (dimensionType == WorldDimension.OVERWORLD) {
+            return path;
+        } else if (dimensionType == WorldDimension.NETHER) {
+            return path.resolve("DIM-1");
+        } else if (dimensionType == WorldDimension.END) {
+            return path.resolve("DIM1");
+        } else {
+            return path.resolve("dimensions").resolve(dimensionType.location().getNamespace()).resolve(dimensionType.location().getPath());
+        }
+    }
+    // CraftBukkit end
+
     public static record a(List<Convertable.b> levels) implements Iterable<Convertable.b> {
 
         public boolean isEmpty() {
@@ -488,8 +507,12 @@
         public final Convertable.b levelDirectory;
         private final String levelId;
         private final Map<SavedFile, Path> resources = Maps.newHashMap();
+        // CraftBukkit start
+        public final ResourceKey<WorldDimension> dimensionType;
 
-        ConversionSession(final String s, final Path path) throws IOException {
+        ConversionSession(final String s, final Path path, final ResourceKey<WorldDimension> dimensionType) throws IOException {
+            this.dimensionType = dimensionType;
+            // CraftBukkit end
             this.levelId = s;
             this.levelDirectory = new Convertable.b(path);
             this.lock = SessionLock.create(path);
@@ -529,7 +552,7 @@
         }
 
         public Path getLevelPath(SavedFile savedfile) {
-            Map map = this.resources;
+            Map<SavedFile, Path> map = this.resources; // CraftBukkit - decompile error
             Convertable.b convertable_b = this.levelDirectory;
 
             Objects.requireNonNull(this.levelDirectory);
@@ -537,7 +560,7 @@
         }
 
         public Path getDimensionPath(ResourceKey<World> resourcekey) {
-            return DimensionManager.getStorageFolder(resourcekey, this.levelDirectory.path());
+            return getStorageFolder(this.levelDirectory.path(), this.dimensionType); // CraftBukkit
         }
 
         private void checkLock() {