src/main/java/StevenDimDoors/mod_pocketDim/EventHookContainer.java

@@ -135,11 +135,6 @@ public class EventHookContainer
     		PocketManager.load();
     	}
     	
-    	if (PocketManager.isLoaded())
-    	{
-    		RiftRegenerator.regenerateRiftsInAllWorlds();
-    	}
-    	
     	if (event.world != null)
     	{
     		this.playMusicForDim(event.world);

src/main/java/StevenDimDoors/mod_pocketDim/blocks/BlockRift.java

@@ -43,7 +43,8 @@ public class BlockRift extends Block implements ITileEntityProvider
 	private static final int BLOCK_SEARCH_CHANCE = 50;
 	private static final int MAX_BLOCK_DESTRUCTION_CHANCE = 100;
 	private static final int BLOCK_DESTRUCTION_CHANCE = 50;
-	private static final int WORLD_THREAD_PROBABILITY = 10;
+	private static final int WORLD_THREAD_CHANCE = 5;
+	private static final int MAX_WORLD_THREAD_CHANCE = 100;
 	
 	private final DDProperties properties;
 	private final ArrayList<Integer> blocksImmuneToRift;
@@ -191,30 +192,25 @@ public class BlockRift extends Block implements ITileEntityProvider
 				if (!isBlockImmune(world, current.getX(), current.getY(), current.getZ()) &&
 						random.nextInt(MAX_BLOCK_DESTRUCTION_CHANCE) < BLOCK_DESTRUCTION_CHANCE)
 				{
-					this.spawnWorldThread(world.getBlockId(current.getX(), current.getY(), current.getZ()), world, x, y, z);
+					this.spawnWorldThread(world.getBlockId(current.getX(), current.getY(), current.getZ()), world, x, y, z, random);
 					world.destroyBlock(current.getX(), current.getY(), current.getZ(), false);
 				}
 			}
 		}
 	}
-	private void spawnWorldThread(int blockID,World worldObj,int x,int y,int z )
+	
+	private void spawnWorldThread(int blockID, World world, int x, int y, int z, Random random)
 	{
-		if(blockID == 0||!(worldObj.rand.nextInt(100)<this.WORLD_THREAD_PROBABILITY))
+		if (blockID != 0 && (random.nextInt(MAX_WORLD_THREAD_CHANCE) < WORLD_THREAD_CHANCE)
+				&& !(Block.blocksList[blockID] instanceof BlockFlowing ||
+					Block.blocksList[blockID] instanceof BlockFluid ||
+					Block.blocksList[blockID] instanceof IFluidBlock))
 		{
-			return;
+			ItemStack thread = new ItemStack(mod_pocketDim.itemWorldThread, 1);
+			world.spawnEntityInWorld(new EntityItem(world, x, y, z, thread));
 		}
-		if(Block.blocksList[blockID] instanceof BlockFlowing||
-				Block.blocksList[blockID] instanceof BlockFluid||
-				Block.blocksList[blockID] instanceof IFluidBlock)
-		{
-			return;
-		}
-		
-		ItemStack thread = new ItemStack(mod_pocketDim.itemWorldThread,1);
-		EntityItem threadEntity = new EntityItem(worldObj, x,y,z, thread);
-		worldObj.spawnEntityInWorld(threadEntity);
-		
 	}
+	
 	private void addAdjacentBlocks(int x, int y, int z, int distance, HashMap<Point3D, Integer> pointDistances, Queue<Point3D> points)
 	{
 		Point3D[] neighbors = new Point3D[] {
@@ -234,6 +230,16 @@ public class BlockRift extends Block implements ITileEntityProvider
 			}
 		}
 	}
+
+	public void regenerateRift(World world, int x, int y, int z, Random random)
+	{
+		if (!this.isBlockImmune(world, x, y, z) && world.getChunkProvider().chunkExists(x >> 4, z >> 4))
+		{
+			int blockID = world.getBlockId(x, y, z);
+			world.setBlock(x, y, z, properties.RiftBlockID);
+			this.spawnWorldThread(blockID, world, x, y, z, random);
+		}
+	}
 	
 	/**
 	 * Lets pistons push through rifts, destroying them

src/main/java/StevenDimDoors/mod_pocketDim/ticking/FastRiftRegenerator.java

@@ -3,6 +3,7 @@ package StevenDimDoors.mod_pocketDim.ticking;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Random;
 
 import net.minecraft.world.World;
 import net.minecraftforge.common.DimensionManager;
@@ -12,7 +13,9 @@ import StevenDimDoors.mod_pocketDim.util.Point4D;
 
 public class FastRiftRegenerator implements IRegularTickReceiver {
 	
-	private static final int RIFT_REGENERATION_INTERVAL = 10; //Regenerate random rifts every 10 ticks
+	private static final int RIFT_REGENERATION_INTERVAL = 10; //Regenerate scheduled rifts every 10 ticks
+	private static Random random = new Random();
+
 	private ArrayList<Point4D> locationsToRegen = new ArrayList<Point4D>();
 	
 	public FastRiftRegenerator(IRegularTickSender sender)
@@ -23,31 +26,24 @@ public class FastRiftRegenerator implements IRegularTickReceiver {
 	@Override
 	public void notifyTick()
 	{
-		regenerateRiftsInAllWorlds();
+		regenerateScheduledRifts();
 	}
 	
-	public void regenerateRiftsInAllWorlds()
+	public void regenerateScheduledRifts()
 	{
-		if (this.locationsToRegen.isEmpty())
+		if (!locationsToRegen.isEmpty())
 		{
-			return;
+			List<Integer> loadedWorlds = (List<Integer>) Arrays.asList(DimensionManager.getIDs());
-		}
+			for (Point4D point: locationsToRegen)
-		List<Integer> loadedWorlds = (List<Integer>) Arrays.asList(DimensionManager.getIDs());
-		
-		for (Point4D point: this.locationsToRegen)
-		{
-			if (loadedWorlds.contains(point.getDimension()) && PocketManager.getLink(point) != null)
 			{
-	    		World world = DimensionManager.getWorld(point.getDimension());
+				if (loadedWorlds.contains(point.getDimension()) && PocketManager.getLink(point) != null)
-	    		
-    			if (!mod_pocketDim.blockRift.isBlockImmune(world, point.getX(), point.getY(), point.getZ())
-    					&& world.getChunkProvider().chunkExists(point.getX() >> 4, point.getZ() >> 4))
 				{
-					world.setBlock(point.getX(), point.getY(), point.getZ(), mod_pocketDim.blockRift.blockID);
+		    		World world = DimensionManager.getWorld(point.getDimension());
+	    			mod_pocketDim.blockRift.regenerateRift(world, point.getX(), point.getY(), point.getZ(), random);
 				}
 			}
+			locationsToRegen.clear();
 		}
-		this.locationsToRegen.clear();
 	}
 	
 	public void registerRiftForRegen(int x, int y, int z, int dimID)

src/main/java/StevenDimDoors/mod_pocketDim/ticking/RiftRegenerator.java

@@ -1,8 +1,11 @@
 package StevenDimDoors.mod_pocketDim.ticking;
 
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+
 import net.minecraft.world.World;
 import net.minecraftforge.common.DimensionManager;
-import StevenDimDoors.mod_pocketDim.DDProperties;
 import StevenDimDoors.mod_pocketDim.mod_pocketDim;
 import StevenDimDoors.mod_pocketDim.core.DimLink;
 import StevenDimDoors.mod_pocketDim.core.NewDimData;
@@ -13,6 +16,7 @@ public class RiftRegenerator implements IRegularTickReceiver {
 	
 	private static final int RIFT_REGENERATION_INTERVAL = 200; //Regenerate random rifts every 200 ticks
 	private static final int RIFTS_REGENERATED_PER_DIMENSION = 5;
+	private static Random random = new Random();
 	
 	public RiftRegenerator(IRegularTickSender sender)
 	{
@@ -22,16 +26,17 @@ public class RiftRegenerator implements IRegularTickReceiver {
 	@Override
 	public void notifyTick()
 	{
-		regenerateRiftsInAllWorlds();
+		regenerateRiftsInLoadedWorlds();
 	}
 	
-	public static void regenerateRiftsInAllWorlds()
+	private static void regenerateRiftsInLoadedWorlds()
 	{
-		//Regenerate rifts that have been replaced (not permanently removed) by players
+		// Regenerate rifts that have been replaced (not permanently removed) by players
-		DDProperties properties = DDProperties.instance();
+		// Only do this in dimensions that are currently loaded
-		
+		List<Integer> loadedWorlds = (List<Integer>) Arrays.asList(DimensionManager.getIDs());
-		for (NewDimData dimension : PocketManager.getDimensions())
+		for (Integer dimensionID : loadedWorlds)
     	{
+			NewDimData dimension = PocketManager.getDimensionData(dimensionID);
 			if (dimension.linkCount() > 0)
 			{
 	    		World world = DimensionManager.getWorld(dimension.id());
@@ -42,10 +47,7 @@ public class RiftRegenerator implements IRegularTickReceiver {
 	    			{
 						DimLink link = dimension.getRandomLink();
 	    				Point4D source = link.source();
-	    				if (!mod_pocketDim.blockRift.isBlockImmune(world, source.getX(), source.getY(), source.getZ())&& world.getChunkProvider().chunkExists(source.getX() >> 4, source.getZ() >> 4))
+	    				mod_pocketDim.blockRift.regenerateRift(world, source.getX(), source.getY(), source.getZ(), random);
-	    				{
-	    					world.setBlock(source.getX(), source.getY(), source.getZ(), properties.RiftBlockID);
-	    				}
 	    			}
 	    		}
 			}