THE UPDATE

Merging months of dev work into master. The update is playable, but
untested.

StevenDimDoors/mod_pocketDim/saving/DDSaveHandler.java

@@ -0,0 +1,269 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import net.minecraftforge.common.DimensionManager;
+import StevenDimDoors.mod_pocketDim.Point3D;
+import StevenDimDoors.mod_pocketDim.core.DimLink;
+import StevenDimDoors.mod_pocketDim.core.NewDimData;
+import StevenDimDoors.mod_pocketDim.core.PocketManager;
+import StevenDimDoors.mod_pocketDim.dungeon.DungeonData;
+import StevenDimDoors.mod_pocketDim.dungeon.pack.DungeonPack;
+import StevenDimDoors.mod_pocketDim.dungeon.pack.DungeonType;
+import StevenDimDoors.mod_pocketDim.helpers.DungeonHelper;
+import StevenDimDoors.mod_pocketDim.util.FileFilters;
+import StevenDimDoors.mod_pocketDim.util.Point4D;
+
+import com.google.common.io.Files;
+
+public class DDSaveHandler
+{
+	public static boolean loadAll()
+	{
+		// SenseiKiwi: Loading up our save data is not as simple as just reading files.
+		// To properly restore dimensions, we need to make sure we always load
+		// a dimension's parent and root before trying to load it. We'll use
+		// topological sorting to determine the order in which to recreate the
+		// dimension objects such that we respect those dependencies.
+		// Links must be loaded after instantiating all the dimensions and must
+		// be checked against our dimension blacklist.
+		
+		// Don't surround this code with try-catch. Our mod should crash if an error
+		// occurs at this level, since it could lead to some nasty problems.
+		
+		String basePath = DimensionManager.getCurrentSaveRootDirectory() + "/DimensionalDoors/data/";
+		File dataDirectory = new File(basePath);
+		
+		// Check if the folder exists. If it doesn't, just return.
+		if (!dataDirectory.exists())
+		{
+			return true;
+		}
+		
+		// Load the dimension blacklist
+		// --insert code here--
+		
+		// List any dimension data files and read each dimension
+		DimDataProcessor reader = new DimDataProcessor();
+		List<PackedDimData> packedDims = new ArrayList<PackedDimData>();
+		FileFilter dataFileFilter = new FileFilters.RegexFileFilter("dim_-?\\d+\\.txt");
+		
+		File[] dataFiles = dataDirectory.listFiles(dataFileFilter);
+		for (File dataFile : dataFiles)
+		{
+			PackedDimData packedDim = readDimension(dataFile, reader);
+			packedDims.add(packedDim);
+		}
+		
+		List<PackedLinkData> linksToUnpack = new ArrayList<PackedLinkData>();
+		//get the grand list of all links to unpack
+		for(PackedDimData packedDim : packedDims)
+		{
+			linksToUnpack.addAll(packedDim.Links);
+		}
+
+		
+		return unpackDimData(packedDims)&&unpackLinkData(linksToUnpack);
+	}
+	
+	/**
+	 * Takes a list of packedDimData and rebuilds the DimData for it
+	 * @param packedDims
+	 * @return
+	 */
+	public static boolean unpackDimData(List<PackedDimData> packedDims)
+	{
+		List<PackedDimData> unpackedDims = new ArrayList<PackedDimData>();
+		
+		
+		//Load roots
+		for(PackedDimData packedDim : packedDims)
+		{
+			if(packedDim.ParentID==packedDim.ID)
+			{
+				PocketManager.registerPackedDimData(packedDim);
+				unpackedDims.add(packedDim);
+			}
+		}
+		packedDims.removeAll(unpackedDims);
+		unpackedDims.clear();
+		
+		//Load the pockets
+		while(!packedDims.isEmpty())
+		{
+			for(PackedDimData packedDim : packedDims)
+			{
+				if(PocketManager.isRegisteredInternally(packedDim.ParentID))
+				{
+					PocketManager.registerPackedDimData(packedDim);
+					unpackedDims.add(packedDim);
+				}
+				else
+				{
+					//break here gracefully
+				}
+			}
+			packedDims.removeAll(unpackedDims);
+			unpackedDims.clear();
+			
+		}
+		return true;
+	}
+	
+	public static boolean unpackLinkData(List<PackedLinkData> linksToUnpack)
+	{
+		Point3D fakePoint = new Point3D(-1,-1,-1);
+		List<PackedLinkData> unpackedLinks = new ArrayList<PackedLinkData>();
+		/**
+		 * sort through the list, unpacking links that do not have parents. 
+		 */
+		//TODO- what we have a loop of links?
+		for(PackedLinkData packedLink : linksToUnpack)
+		{
+			if(packedLink.parent.equals(fakePoint))
+			{
+				NewDimData data = PocketManager.getDimensionData(packedLink.source.getDimension());
+				DimLink link = data.createLink(packedLink.source, packedLink.tail.linkType,  packedLink.orientation);
+				Point4D destination = packedLink.tail.destination;
+				if(destination!=null)
+				{
+					PocketManager.getDimensionData(destination.getDimension()).setDestination(link, destination.getX(),destination.getY(),destination.getZ());
+				}
+				unpackedLinks.add(packedLink);
+			}
+		}
+		linksToUnpack.removeAll(unpackedLinks);
+		
+		//unpack remaining children
+		while(!linksToUnpack.isEmpty())
+		{
+			for(PackedLinkData packedLink : linksToUnpack)
+			{
+				NewDimData data = PocketManager.getDimensionData(packedLink.source.getDimension());
+				if(data.getLink(packedLink.parent)!=null)
+				{
+					data.createChildLink(packedLink.source.getX(), packedLink.source.getY(), packedLink.source.getZ(), data.getLink(packedLink.parent));
+				}
+				unpackedLinks.add(packedLink);
+			}
+			linksToUnpack.removeAll(unpackedLinks);
+		}
+		return true;
+	}
+	
+
+	private static PackedDimData readDimension(File dataFile, DimDataProcessor reader)
+	{
+		try
+		{
+			return reader.readFromFile(dataFile);
+		}
+		catch (Exception e)
+		{
+			System.err.println("Could not read dimension data from: " + dataFile.getAbsolutePath());
+			System.err.println("The following error occurred:");
+			printException(e, false);
+			return null;
+		}
+	}
+	
+	public static boolean saveAll(Iterable<? extends IPackable<PackedDimData>> dimensions) throws IOException
+	{
+		// Create the data directory for our dimensions
+		// Don't catch exceptions here. If we can't create this folder,
+		// the mod should crash to let the user know early on.
+
+		String basePath = DimensionManager.getCurrentSaveRootDirectory() + "/DimensionalDoors/data/";
+		File basePathFile = new File(basePath);
+		Files.createParentDirs(basePathFile);
+		basePathFile.mkdir();
+		
+		FileFilter dataFileFilter = new FileFilters.RegexFileFilter("dim_-?\\d+\\.txt");
+		
+		//TODO Deal with temp files correctly
+		File[] dataFiles = basePathFile.listFiles(dataFileFilter);
+		for (File dataFile : dataFiles)
+		{
+			dataFile.delete();
+		}
+		
+		
+		basePathFile = null;
+		basePath += "dim_";
+		
+		boolean succeeded = true;
+		DimDataProcessor writer = new DimDataProcessor();
+		for (IPackable<PackedDimData> dimension : dimensions)
+		{
+			succeeded &= writeDimension(dimension, writer, basePath);
+		}
+		return succeeded;
+	}
+	
+	private static boolean writeDimension(IPackable<PackedDimData> dimension, DimDataProcessor writer, String basePath)
+	{
+		try
+		{
+			File tempFile = new File(basePath + (dimension.name() + ".tmp"));
+			File saveFile = new File(basePath + (dimension.name() + ".txt"));
+			writer.writeToFile(tempFile, dimension.pack());
+			saveFile.delete();
+			tempFile.renameTo(saveFile);
+			return true;
+		}
+		catch (Exception e)
+		{
+			System.err.println("Could not save data for dimension #" + dimension.name() + ". The following error occurred:");
+			printException(e, true);
+			return false;
+		}
+	}
+	
+	private static void printException(Exception e, boolean verbose)
+	{
+		if (e.getCause() == null)
+		{
+			if (verbose)
+			{
+				e.printStackTrace();
+			}
+			else
+			{
+				System.err.println(e.getMessage());
+			}
+		}
+		else
+		{
+			System.out.println(e.getMessage());
+			System.err.println("Caused by an underlying error:");
+			if (verbose)
+			{
+				e.getCause().printStackTrace();
+			}
+			else
+			{
+				System.err.println(e.getCause().getMessage());
+			}
+		}
+	}
+
+	//TODO - make this more robust
+	public static DungeonData unpackDungeonData(PackedDungeonData packedDungeon)
+	{
+		DungeonPack pack;
+		DungeonType type;
+		
+		for(DungeonData data  : DungeonHelper.instance().getRegisteredDungeons())
+		{
+			if(data.schematicName().equals(packedDungeon.SchematicName))
+			{
+				//return data;
+			}
+		}
+		return null;
+	}
+}

StevenDimDoors/mod_pocketDim/saving/DimDataProcessor.java

@@ -0,0 +1,307 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.List;
+
+import scala.Char;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonObject;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+
+import StevenDimDoors.mod_pocketDim.Point3D;
+import StevenDimDoors.mod_pocketDim.util.BaseConfigurationProcessor;
+import StevenDimDoors.mod_pocketDim.util.ConfigurationProcessingException;
+import StevenDimDoors.mod_pocketDim.util.Point4D;
+
+public class DimDataProcessor extends BaseConfigurationProcessor<PackedDimData>
+{
+	@Override
+	public PackedDimData readFromStream(InputStream inputStream)
+		throws ConfigurationProcessingException
+	{	
+		try
+		{
+			JsonReader reader = new JsonReader(new InputStreamReader(inputStream, "UTF-8"));
+			PackedDimData data = this.createDImDataFromJson(reader);
+			return data;
+		}
+		catch (IOException e)
+		{
+			e.printStackTrace();
+			throw new ConfigurationProcessingException("Could not read packedDimData");
+		}
+	
+	}
+
+	@Override
+	public void writeToStream(OutputStream outputStream, PackedDimData data)
+		throws ConfigurationProcessingException
+	{
+		/** Print out dimData using the GSON built in serializer. I dont feel bad doing this because
+		 *  1- We can read it
+		 *  2- We are manually reading the data in.
+		 *  3- The error messages tell us exactly where its failing, so its easy to fix
+		 */
+		
+		GsonBuilder gsonBuilder = new GsonBuilder();
+		Gson gson = gsonBuilder.setPrettyPrinting().create();
+		
+		try 
+		{
+			outputStream.write(gson.toJson(data).getBytes("UTF-8"));
+			outputStream.close();
+		} 
+		catch (IOException e) 
+		{
+			// not sure if this is kosher, we need it to explode, but not by throwing the IO exception. 
+			throw new ConfigurationProcessingException("Incorrectly formatted save data");
+		}
+		// TODO Auto-generated method stub
+		
+	}
+	/**
+	 * Nightmare method that takes a JsonReader pointed at a serialized instance of PackedDimData
+	 * @param reader
+	 * @return
+	 * @throws IOException
+	 */
+	public PackedDimData createDImDataFromJson(JsonReader reader) throws IOException 
+	{
+		int ID;
+		boolean IsDungeon;
+		boolean IsFilled;
+		int Depth;
+		int PackDepth;
+		int ParentID;
+		int RootID;
+		PackedDungeonData Dungeon = null;
+		Point3D Origin;
+		int Orientation;
+		List<Integer> ChildIDs;
+		List<PackedLinkData> Links;
+		List<PackedLinkTail> Tails = new ArrayList<PackedLinkTail>();
+		
+		reader.beginObject();
+		
+		reader.nextName();
+		if(reader.nextLong()!=PackedDimData.SAVE_DATA_VERSION_ID)
+		{
+			throw new IOException("Save data version mismatch");
+		}
+		
+		reader.nextName();
+		ID = reader.nextInt();
+		
+		reader.nextName();
+		IsDungeon = reader.nextBoolean();
+		
+		reader.nextName();
+		IsFilled = reader.nextBoolean();
+		
+		reader.nextName();
+		Depth = reader.nextInt();
+		
+		reader.nextName();
+		PackDepth = reader.nextInt();
+		
+		reader.nextName();
+		ParentID=reader.nextInt();
+		
+		reader.nextName();
+		RootID= reader.nextInt();
+		
+		if(reader.nextName().equals("DungeonData"))
+		{
+			Dungeon = createDungeonDataFromJson(reader);
+			reader.nextName();
+		}
+		
+		Origin = createPointFromJson(reader);
+		
+		reader.nextName();
+		Orientation = reader.nextInt();
+		
+		reader.nextName();
+		ChildIDs = this.createIntListFromJson(reader);
+		
+		reader.nextName();
+		Links = this.createLinksListFromJson(reader);
+		
+		return new PackedDimData(ID, Depth, PackDepth, ParentID, RootID, Orientation, IsDungeon, IsFilled, Dungeon, Origin, ChildIDs, Links, Tails);
+	}
+	
+	private Point3D createPointFromJson(JsonReader reader) throws IOException
+	{
+		reader.beginObject();
+		
+		reader.nextName();
+		int x = reader.nextInt();
+		
+		reader.nextName();
+		int y = reader.nextInt();
+		
+		reader.nextName();
+		int z = reader.nextInt();
+		
+		reader.endObject();
+		
+		return new Point3D(x,y,z);
+	}
+	
+	private Point4D createPoint4DFromJson(JsonReader reader) throws IOException
+	{
+		reader.beginObject();
+		
+		reader.nextName();
+		int x = reader.nextInt();
+		
+		reader.nextName();
+		int y = reader.nextInt();
+		
+		reader.nextName();
+		int z = reader.nextInt();
+		
+		reader.nextName();
+		int dimension = reader.nextInt();
+		
+		reader.endObject();
+		
+		return new Point4D(x,y,z,dimension);
+	}
+	
+	private List<Integer> createIntListFromJson(JsonReader reader) throws IOException
+	{
+		List<Integer> list = new ArrayList<Integer>();
+		reader.beginArray();
+		
+		while(reader.peek()!= JsonToken.END_ARRAY)
+		{
+			list.add(reader.nextInt());
+			
+		}
+		reader.endArray();
+		return list;
+	}
+	
+	private List<PackedLinkData> createLinksListFromJson(JsonReader reader) throws IOException
+	{
+		List<PackedLinkData> list = new ArrayList<PackedLinkData>();
+		
+		reader.beginArray();
+		
+		while(reader.peek()!= JsonToken.END_ARRAY)
+		{
+			list.add(createLinkDataFromJson(reader));
+		}
+		reader.endArray();
+		return list;
+	}
+	
+	private PackedLinkData createLinkDataFromJson(JsonReader reader) throws IOException
+	{
+		Point4D source;
+		Point3D parent;
+		PackedLinkTail tail;
+		int orientation;
+		List<Point3D> children = new ArrayList<Point3D>();
+		
+		reader.beginObject();
+		
+		reader.nextName();
+		source = this.createPoint4DFromJson(reader);
+		
+		reader.nextName();
+		parent = this.createPointFromJson(reader);
+		
+		reader.nextName();
+		tail = this.createLinkTailFromJson(reader);
+		
+		reader.nextName();
+		orientation = reader.nextInt();
+		
+		reader.nextName();
+		reader.beginArray();
+		
+		while(reader.peek() != JsonToken.END_ARRAY)
+		{
+			children.add(this.createPointFromJson(reader));
+		}
+		reader.endArray();
+		reader.endObject();
+		
+		return new PackedLinkData(source, parent, tail, orientation, children);
+	}
+	private PackedDungeonData createDungeonDataFromJson(JsonReader reader) throws IOException
+	{
+		int Weight;
+		boolean IsOpen;
+		boolean IsInternal;
+		String SchematicPath;
+		String SchematicName;
+		String DungeonTypeName;
+		String DungeonPackName;
+		
+		reader.beginObject();
+		JsonToken test = reader.peek();
+		
+		if(reader.peek() == JsonToken.END_OBJECT)
+		{
+			return null;
+		}
+		
+		reader.nextName();
+		Weight=reader.nextInt();
+		
+		reader.nextName();
+		IsOpen=reader.nextBoolean();
+		
+		reader.nextName();
+		IsInternal=reader.nextBoolean();
+		
+		reader.nextName();
+		SchematicPath=reader.nextString();
+		
+		reader.nextName();
+		SchematicName=reader.nextString();
+		
+		reader.nextName();
+		DungeonTypeName=reader.nextString();
+		
+		reader.nextName();
+		DungeonPackName=reader.nextString();
+		
+		reader.endObject();
+		return new PackedDungeonData(Weight, IsOpen, IsInternal, SchematicPath, SchematicName, DungeonTypeName, DungeonPackName);
+	}
+	private PackedLinkTail createLinkTailFromJson(JsonReader reader) throws IOException
+	{
+		Point4D destination=null;
+		int linkType;
+		reader.beginObject();
+		reader.nextName();
+		
+		JsonToken test =reader.peek();
+		if(reader.peek()==JsonToken.BEGIN_OBJECT)
+		{
+			destination = this.createPoint4DFromJson(reader);
+			reader.nextName();
+		}
+		
+		linkType = reader.nextInt();
+		reader.endObject();
+		
+		return new PackedLinkTail(destination, linkType);
+	}
+}

StevenDimDoors/mod_pocketDim/saving/IPackable.java

@@ -0,0 +1,7 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+public interface IPackable<T>
+{
+	public String name();
+	public T pack();
+}

StevenDimDoors/mod_pocketDim/saving/OldSaveImporter.java

@@ -0,0 +1,73 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import StevenDimDoors.mod_pocketDim.DimData;
+import StevenDimDoors.mod_pocketDim.LinkData;
+import StevenDimDoors.mod_pocketDim.Point3D;
+
+import StevenDimDoors.mod_pocketDim.ObjectSaveInputStream;
+import StevenDimDoors.mod_pocketDim.util.Point4D;
+
+public class OldSaveImporter
+{
+	public static void importOldSave(File file) throws IOException, ClassNotFoundException
+	{
+		FileInputStream saveFile = new FileInputStream(file);
+        ObjectSaveInputStream save = new ObjectSaveInputStream(saveFile);
+        HashMap comboSave =((HashMap) save.readObject());
+        save.close();
+        
+        List<PackedLinkData> allPackedLinks = new ArrayList<PackedLinkData>();
+        List<PackedDimData> newPackedDimData = new ArrayList<PackedDimData>();
+       
+        HashMap<Integer, DimData> dimMap;
+        
+        try
+        {
+        	dimMap = (HashMap<Integer, DimData>) comboSave.get("dimList");
+        }
+        catch(Exception e)
+        {
+                 System.out.println("Could not import old save data");
+                 return;
+        }
+        
+        for(DimData data : dimMap.values())
+        {
+            List<PackedLinkData> newPackedLinkData = new ArrayList<PackedLinkData>();
+        	List<Integer> childDims = new ArrayList<Integer>();
+
+            for(LinkData link : data.getLinksInDim())
+            {
+            	Point4D source = new Point4D(link.locXCoord,link.locYCoord,link.locZCoord,link.locDimID);
+            	Point4D destintion = new Point4D(link.destXCoord,link.destYCoord,link.destZCoord,link.destDimID);
+            	PackedLinkTail tail = new PackedLinkTail(destintion, link.linkOrientation);
+            	List<Point3D> children = new ArrayList<Point3D>();
+
+            	PackedLinkData newPackedLink = new PackedLinkData(source, new Point3D(-1,-1,-1), tail, link.linkOrientation,children);
+            	
+            	newPackedLinkData.add(newPackedLink);
+            	allPackedLinks.add(newPackedLink);
+
+            }
+            
+            PackedDimData dim = new PackedDimData(data.dimID, data.depth, data.depth, data.exitDimLink.locDimID, data.exitDimLink.locDimID, 0, data.dungeonGenerator!=null, data.hasBeenFilled, null, new Point3D(0,64,0), childDims, newPackedLinkData, null);
+            newPackedDimData.add(dim);
+            
+            DDSaveHandler.unpackDimData(newPackedDimData);
+            DDSaveHandler.unpackLinkData(allPackedLinks);
+
+            
+        }
+       
+    
+	}
+	
+}

StevenDimDoors/mod_pocketDim/saving/PackedDimData.java

@@ -0,0 +1,46 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+import java.util.List;
+
+import StevenDimDoors.mod_pocketDim.Point3D;
+
+public class PackedDimData
+{
+	// These fields will be public since this is a simple data container
+	public final static long SAVE_DATA_VERSION_ID = 982405775L;
+	public final long SAVE_DATA_VERSION_ID_INSTANCE = SAVE_DATA_VERSION_ID;
+	public final int ID;
+	public final boolean IsDungeon;
+	public final boolean IsFilled;
+	public final int Depth;
+	public final int PackDepth;
+	public final int ParentID;
+	public final int RootID;
+	public final PackedDungeonData DungeonData;
+	public final Point3D Origin;
+	public final int Orientation;
+	public final List<Integer> ChildIDs;
+	public final List<PackedLinkData> Links;
+	public final List<PackedLinkTail> Tails;
+	
+	// FIXME Missing dungeon data, not sure how to include it
+
+	public PackedDimData(int id, int depth, int packDepth, int parentID, int rootID, int orientation,
+		boolean isDungeon, boolean isFilled,PackedDungeonData dungeonData, Point3D origin, List<Integer> childIDs, List<PackedLinkData> links,
+		List<PackedLinkTail> tails)
+	{
+		ID = id;
+		Depth = depth;
+		PackDepth = packDepth;
+		ParentID = parentID;
+		RootID = rootID;
+		Orientation = orientation;
+		IsDungeon = isDungeon;
+		IsFilled = isFilled;
+		DungeonData = dungeonData;
+		Origin = origin;
+		ChildIDs = childIDs;
+		Links = links;
+		Tails = tails;
+	}
+}

StevenDimDoors/mod_pocketDim/saving/PackedDungeonData.java

@@ -0,0 +1,29 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+import StevenDimDoors.mod_pocketDim.dungeon.pack.DungeonType;
+
+public class PackedDungeonData 
+{
+	
+	public final int Weight;
+	public final boolean IsOpen;
+	public final boolean IsInternal;
+	public final String SchematicPath;
+	public final String SchematicName;
+	public final String DungeonTypeName;
+	public final String DungeonPackName;
+	
+	public PackedDungeonData(int weight, boolean isOpen, boolean isInternal, String schematicPath, String schematicName, String dungeonTypeName, String dungeonPackName)
+	{
+		this.Weight= weight;
+		this.IsOpen=isOpen;
+		this.IsInternal=isInternal;
+		this.SchematicName=schematicName;
+		this.SchematicPath=schematicPath;
+		this.DungeonTypeName=dungeonTypeName;
+		this.DungeonPackName=dungeonPackName;
+	}
+
+
+	
+}

StevenDimDoors/mod_pocketDim/saving/PackedLinkData.java

@@ -0,0 +1,25 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+import java.util.List;
+
+import StevenDimDoors.mod_pocketDim.Point3D;
+import StevenDimDoors.mod_pocketDim.core.DimLink;
+import StevenDimDoors.mod_pocketDim.util.Point4D;
+
+public class PackedLinkData
+{
+	public final Point4D source;
+	public final Point3D parent;
+	public final PackedLinkTail tail;
+	public final int orientation;
+	public final List<Point3D> children;
+	
+	public PackedLinkData(Point4D source, Point3D parent, PackedLinkTail tail, int orientation, List<Point3D> children)
+	{
+		this.source=source;
+		this.parent=parent;
+		this.tail=tail;
+		this.orientation=orientation;
+		this.children=children;
+	}
+}

StevenDimDoors/mod_pocketDim/saving/PackedLinkTail.java

@@ -0,0 +1,16 @@
+package StevenDimDoors.mod_pocketDim.saving;
+
+import StevenDimDoors.mod_pocketDim.util.Point4D;
+
+public class PackedLinkTail
+{
+	public final Point4D destination;
+	public final int linkType;
+	
+	public PackedLinkTail(Point4D destination, int linkType)
+	{
+		this.destination=destination;
+		this.linkType=linkType;
+	}
+	
+}