StevenDimDoors/mod_pocketDim/SchematicLoader.java

@@ -43,12 +43,15 @@ public class SchematicLoader
 				if (dimList.get(destDimID).dungeonGenerator == null)
 				{
 					//The following initialization code is based on code from ChunkProviderGenerate.
-					//It makes our generation depend on the world seed.
+					//It makes our generation depend on the world seed. We have an additional seed here
+					//to prevent correlations between the selected dungeons and the locations of gateways.
+					//TODO: We should centralize RNG initialization and world-seed modifiers for each specific application.
 					
-					Random random = new Random(world.getSeed());
-					long factorA = random.nextLong() / 2L * 2L + 1L;
-					long factorB = random.nextLong() / 2L * 2L + 1L;
-					random.setSeed((link.destXCoord >> 4) * factorA + (link.destZCoord >> 4) * factorB ^ world.getSeed());
+					final long localSeed = world.getSeed() ^ 0x2F50DB9B4A8057E4L;
+					final Random random = new Random();
+					final long factorA = random.nextLong() / 2L * 2L + 1L;
+					final long factorB = random.nextLong() / 2L * 2L + 1L;
+					random.setSeed((link.destXCoord >> 4) * factorA + (link.destZCoord >> 4) * factorB ^ localSeed);
 					
 					dungeonHelper.generateDungeonLink(link, dungeonHelper.RuinsPack, random);
 				}

StevenDimDoors/mod_pocketDim/dungeon/pack/DungeonChainRule.java

@@ -15,12 +15,13 @@ public class DungeonChainRule
 		ArrayList<String> conditionNames = source.getCondition();
 		ArrayList<WeightedContainer<String>> productNames = source.getProducts();
 
+		//Obtain the IDs of dungeon types in reverse order. Reverse order makes comparing against chain histories easy.
 		condition = new int[conditionNames.size()];
-		for (int k = 0; k < condition.length; k++)
+		for (int src = 0, dst = condition.length - 1; src < condition.length; src++, dst--)
 		{
-			condition[k] = nameToTypeMapping.get(conditionNames.get(k)).ID;
+			condition[dst] = nameToTypeMapping.get(conditionNames.get(src)).ID;
 		}
-		products = new ArrayList<WeightedContainer<DungeonType>>();
+		products = new ArrayList<WeightedContainer<DungeonType>>(productNames.size());
 		for (WeightedContainer<String> product : productNames)
 		{
 			products.add(new WeightedContainer<DungeonType>(nameToTypeMapping.get(product.getData()), product.itemWeight ));

StevenDimDoors/mod_pocketDim/dungeon/pack/DungeonPack.java

@@ -166,7 +166,7 @@ public class DungeonPack
 						//List which dungeons are allowed
 						ArrayList<DungeonGenerator> candidates;
 						ArrayList<DungeonGenerator> group = groupedDungeons.get(nextType.ID);
-						if (excludedDungeons != null)
+						if (excludedDungeons != null && !excludedDungeons.isEmpty())
 						{
 							 candidates = new ArrayList<DungeonGenerator>(group.size());
 							 for (DungeonGenerator dungeon : group)

StevenDimDoors/mod_pocketDim/helpers/DungeonHelper.java

@@ -9,7 +9,9 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Queue;
 import java.util.Random;
 import java.util.regex.Pattern;
 
@@ -423,32 +425,72 @@ public class DungeonHelper
 		//manipulate the output of this function by setting up links to mislead our algorithm or by removing links.
 		//Dimensions MUST have built-in records of their parent dimensions in the future. ~SenseiKiwi
 		
-		dimHelper helper = dimHelper.instance;
 		ArrayList<DungeonGenerator> history = new ArrayList<DungeonGenerator>();
-		DimData tailDim = helper.getDimData(helper.getLinkDataFromCoords(dimData.exitDimLink.destXCoord, dimData.exitDimLink.destYCoord, dimData.exitDimLink.destZCoord, dimData.exitDimLink.destDimID).destDimID);
+		DimData tailDim = dimData;
+		boolean found = true;
 		
-		for (int count = 0; count < maxSize; count++)
+		if (dimData.dungeonGenerator == null || dimData.dungeonGenerator.getDungeonType().Owner != pack || maxSize < 1)
 		{
-			if (tailDim.dungeonGenerator == null || tailDim.dungeonGenerator.getDungeonType().Owner != pack)
-			{
-				//We've reached a dimension that doesn't belong to our pack. Stop the search here.
-				break;
+			//The initial dimension is already outside our pack. Return an empty list.
+			return history;
 		}
+		history.add(dimData.dungeonGenerator);
 		
-			history.add(tailDim.dungeonGenerator);
-			if (count + 1 < maxSize)
+		for (int count = 1; count < maxSize && found; count++)
 		{
+			found = false;
 			for (LinkData link : tailDim.getLinksInDim())
 			{
-					DimData nextDim = dimHelper.instance.getDimData(link.destDimID);
-					if (helper.getDimDepth(link.destDimID) == tailDim.depth + 1)
+				DimData neighbor = dimHelper.instance.getDimData(link.destDimID);
+				if (neighbor.depth == tailDim.depth - 1 && neighbor.dungeonGenerator != null &&
+						neighbor.dungeonGenerator.getDungeonType().Owner == pack)
 				{
-						tailDim = nextDim;
+					tailDim = neighbor;
+					history.add(tailDim.dungeonGenerator);
+					found = true;
 					break;
 				}
 			}
 		}
-		}
 		return history;
 	}
+	
+	public static ArrayList<DungeonGenerator> getFlatDungeonTree(DimData dimData, int maxSize)
+	{
+		//TODO: I've improved this code for the time being. However, searching across links is a flawed approach. A player could
+		//manipulate the output of this function by setting up links to mislead our algorithm or by removing links.
+		//Dimensions MUST have built-in records of their parent dimensions in the future. ~SenseiKiwi
+		
+		dimHelper helper = dimHelper.instance;
+		ArrayList<DungeonGenerator> dungeons = new ArrayList<DungeonGenerator>();
+		DimData root = helper.getDimData(helper.getLinkDataFromCoords(dimData.exitDimLink.destXCoord, dimData.exitDimLink.destYCoord, dimData.exitDimLink.destZCoord, dimData.exitDimLink.destDimID).destDimID);
+		HashSet<DimData> checked = new HashSet<DimData>();
+		Queue<DimData> pendingDimensions = new LinkedList<DimData>();
+		
+		if (root.dungeonGenerator == null)
+		{
+			return dungeons;
+		}
+		pendingDimensions.add(root);
+		checked.add(root);
+		
+		while (dungeons.size() < maxSize && !pendingDimensions.isEmpty())
+		{
+			DimData current = pendingDimensions.remove();
+			for (LinkData link : current.getLinksInDim())
+			{
+				DimData child = helper.getDimData(link.destDimID);
+				if (child.depth == current.depth + 1 && child.dungeonGenerator != null && checked.add(child))
+				{
+					dungeons.add(child.dungeonGenerator);
+					pendingDimensions.add(child);
+				}
+				if (dungeons.size() == maxSize)
+				{
+					break;
+				}
+			}
+		}
+		return dungeons;
+	}
 }

StevenDimDoors/mod_pocketDim/util/BaseConfigurationProcessor.java

@@ -0,0 +1,52 @@
+package StevenDimDoors.mod_pocketDim.util;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+public abstract class BaseConfigurationProcessor<T>
+{
+	public BaseConfigurationProcessor() { }
+	
+	public boolean canRead()
+	{
+		return true;
+	}
+	
+	public boolean canWrite()
+	{
+		return true;
+	}
+	
+	public T readFromFile(String path) throws FileNotFoundException, ConfigurationProcessingException
+	{
+		return readFromFile(new File(path));
+	}
+	
+	public T readFromFile(File file) throws FileNotFoundException, ConfigurationProcessingException
+	{
+		return readFromStream(new FileInputStream(file));
+	}
+	
+	public T readFromResource(String resourcePath) throws ConfigurationProcessingException
+	{
+		return readFromStream(this.getClass().getResourceAsStream(resourcePath));
+	}
+	
+	public abstract T readFromStream(InputStream inputStream) throws ConfigurationProcessingException;
+	
+	public void writeToFile(File file, T data) throws FileNotFoundException, ConfigurationProcessingException
+	{
+		writeToStream(new FileOutputStream(file), data);
+	}
+	
+	public void writeToFile(String path, T data) throws FileNotFoundException, ConfigurationProcessingException
+	{
+		writeToFile(new File(path), data);
+	}
+	
+	public abstract void writeToStream(OutputStream outputStream, T data) throws ConfigurationProcessingException;
+}

StevenDimDoors/mod_pocketDim/util/ConfigurationProcessingException.java

@@ -0,0 +1,21 @@
+package StevenDimDoors.mod_pocketDim.util;
+
+public class ConfigurationProcessingException extends Exception
+{
+	private static final long serialVersionUID = -4525298050874891911L;
+
+	public ConfigurationProcessingException()
+	{
+		super();
+	}
+	
+	public ConfigurationProcessingException(String message)
+	{
+		super(message);
+	}
+	
+	public ConfigurationProcessingException(String message, Throwable cause)
+	{
+		super(message, cause);
+	}
+}

schematics/ruins/rules.txt

@@ -0,0 +1,33 @@
+Version 1
+Types:
+Hub
+Trap
+SimpleHall
+ComplexHall
+Exit
+DeadEnd
+Maze
+
+Settings:
+AllowRepetitionsInBranch = false
+AllowPackChangeOut = true
+AllowPackChangeIn = true
+PackWeight = 100
+
+Rules:
+
+Exit -> DeadEnd Exit
+
+DeadEnd -> DeadEnd Exit
+
+? ? ? ? ? ? ? ? -> Trap#20 SimpleHall#40 ComplexHall#10 Exit#20 DeadEnd#10
+
+? ? ? ? -> Trap#18 SimpleHall#40 ComplexHall#10 Exit#18 DeadEnd#10 Hub#4
+
+? ? ? -> ComplexHall Hub Trap SimpleHall Maze
+
+? ?	-> ComplexHall Hub Trap SimpleHall Maze
+
+? -> ComplexHall#40 Hub#30 Trap#10 SimpleHall#10 Maze#10
+
+-> ComplexHall#40 Hub#30 Trap#10 SimpleHall#10 Maze#10