Made chunk saving asynchronous, added auto saving and asynchronous

saving, seperated chunks into their own files, made chunks unload to a
file instead of to memory, fixed a lighting based performance bug.

src/projectzombie/Main.java

@@ -34,6 +34,7 @@ import projectzombie.settings.Settings;
 import projectzombie.time.GameTimer;
 import projectzombie.time.NoSleep;
 import projectzombie.worker.WorkerChunks;
+import projectzombie.worker.WorkerFile;
 import projectzombie.worker.WorkerLighting;
 import projectzombie.world.World;
 import projectzombie.world.chunk.ChunkEventHandler;
@@ -48,9 +49,11 @@ public class Main
 	public static AudioEngine audio;
 	public static Random rand = new Random();
 	public static Menu menu;
+	public static WorkerFile workerFile;
 	public static WorkerLighting workerLighting;
-	public static WorkerChunks workerChunks;
+	public static WorkerChunks[] workerChunks;
 	public static boolean game_paused = false;
+	public static boolean running = true;
 	public static int tickrate = 10;
 	
 	public static void main(String[] args) throws IOException
@@ -59,12 +62,19 @@ public class Main
 		{
 			clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
 			
-			workerChunks = new WorkerChunks();
-			workerLighting = new WorkerLighting();
+			workerFile = new WorkerFile();
+			workerFile.start();
 			
-			workerChunks.start();
+			workerLighting = new WorkerLighting();
 			workerLighting.start();
 			
+			workerChunks = new WorkerChunks[4];
+			
+			for(int i=0;i<workerChunks.length;i++) {
+				workerChunks[i] = new WorkerChunks();
+				workerChunks[i].start();
+			}
+			
 			MathHelpers.init();
 			Settings.init();
 			Environment.init(args);
@@ -116,9 +126,8 @@ public class Main
 		
 		finally
 		{
-			// Kill the worker thread
-			workerLighting.kill();
-			workerChunks.kill();
+			// Kill the worker threads
+			running = false;
 		}
 	}
 }

src/projectzombie/display/DisplayLighting.java

@@ -1,6 +1,7 @@
 package projectzombie.display;
 
 import java.nio.ByteBuffer;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 
 import org.lwjgl.BufferUtils;
@@ -34,9 +35,9 @@ public class DisplayLighting
 	private static int lighting_last_x = 0;
 	private static int lighting_last_y = 0;
 	private static boolean lighting_dirty = false;
-	private static boolean lighting_new = false;
 	public static int lightmap;
 	
+	private static AtomicBoolean lighting_new = new AtomicBoolean(false);
 	private static AtomicReference<Lighting> lighting = new AtomicReference<DisplayLighting.Lighting>();
 	
 	public static void setDirty() {
@@ -49,7 +50,7 @@ public class DisplayLighting
 	
 	private static void setLighting(Lighting lighting) {
 		DisplayLighting.lighting.set(lighting);
-		lighting_new = true;
+		lighting_new.set(true);
 	}
 	
 	public DisplayLighting() {
@@ -230,23 +231,31 @@ public class DisplayLighting
 		Lighting lighting = getLighting();
 		Layer layer = Main.world.getLayer();
 		
+		if(lighting_new.getAndSet(false))
+		{
+			for(int i=0;i<lighting.p.length/3;i++)
+			{
+				int i3 = i*3;
+				int x = i % lighting.w;
+				int y = i / lighting.w;
+				
+				Vec2i tpos = new Vec2i(x + lighting.x * 16, y + lighting.y * 16);
+				
+				// Store light level data from the image
+				layer.setLightLevel(lighting.p[i3+1], tpos);
+				
+				// Store temperature and humidity data
+				lighting.p[i3+1] = (float)layer.getTemperature(new Vec2i(x + lighting.x * 16, y + lighting.y * 16));
+				lighting.p[i3+2] = (float)layer.getHumidity(new Vec2i(x + lighting.x * 16, y + lighting.y * 16));
+			}
+		}
+		
 		// Copy the pixels
 		float[] pixels = new float[lighting.p.length];
 		for(int i=0;i<pixels.length;i++) {
 			pixels[i] = lighting.p[i];
 		}
 		
-		for(int x2=0;x2<lighting.w;x2++) {
-			for(int y2=0;y2<lighting.h;y2++)
-			{
-				int i = (x2 + y2 * lighting.w) * 3;
-				
-				// Send temperature and humidity data to the image
-				pixels[i+1] = (float)layer.getTemperature(new Vec2i(x2 + lighting.x * 16, y2 + lighting.y * 16));
-				pixels[i+2] = (float)layer.getHumidity(new Vec2i(x2 + lighting.x * 16, y2 + lighting.y * 16));
-			}
-		}
-		
 		Vec2d ppos = Main.player.getPos().xz();
 		
 		calculateEntityLighting(layer, lighting, Main.player, pixels);
@@ -266,22 +275,6 @@ public class DisplayLighting
 			}
 		}
 		
-		if(lighting_new)
-		{
-			for(int i=0;i<lighting.p.length/3;i++)
-			{
-				int x = i % lighting.w;
-				int y = i / lighting.w;
-				
-				Vec2i tpos = new Vec2i(x + lighting.x * 16, y + lighting.y * 16);
-				
-				// Store light level data from the image
-				layer.setLightLevel(lighting.p[i*3+1], tpos);
-			}
-			
-			lighting_new = false;
-		}
-		
 		ByteBuffer pixels_b = BufferUtils.createByteBuffer(pixels.length);
 		
 		for(int i=0;i<pixels.length;i++) {
@@ -316,6 +309,8 @@ public class DisplayLighting
 					(float)(lighting.y * 16 - Camera.camera.y - 0.5));
 		}
 		
+		
+		
 	}
 	
 	public static void clearLighting()

src/projectzombie/entity/player/EntityPlayer.java

@@ -105,6 +105,7 @@ public class EntityPlayer extends Entity implements
 		}
 		
 		inventory.addItem(new ItemStack(Items.TORCH, 1));
+		inventory.addItem(new ItemStack(Items.LANTERN, 1));
 	}
 	
 	public int getAmmo() {

src/projectzombie/mainloop/MainloopEventHandler.java

@@ -8,6 +8,7 @@ public class MainloopEventHandler implements IMainloopEvent, IMainloopTask
 {
 	public static final MainloopEventHandler MAINLOOP_EVENT_HANDLER = new MainloopEventHandler();
 	
+	private long autosave_interval = 0;
 	private long max_mspf = 1;
 	public long mspf = max_mspf;
 
@@ -45,7 +46,7 @@ public class MainloopEventHandler implements IMainloopEvent, IMainloopTask
 
 	@Override
 	public boolean MainLoopDelay(long millis) {
-		return millis > 1;
+		return millis > 10;
 	}
 
 	@Override
@@ -58,6 +59,15 @@ public class MainloopEventHandler implements IMainloopEvent, IMainloopTask
 	{
 		// Stop the mainloop if the window should close
 		if(Main.window.shouldClose()) Main.mainloop.stop();
+		
+		// Autosave every minute
+		autosave_interval += 1;
+		if(autosave_interval > 6000)
+		{
+			autosave_interval -= 6000;
+			
+			Main.world.save();
+		}
 	}
 
 }

src/projectzombie/menu/MenuGamePause.java

@@ -41,6 +41,6 @@ public class MenuGamePause extends Menu
 	public void saveAndQuit()
 	{
 		Main.world.save();
-		Main.menu = new MenuMain();
+		Main.menu = new MenuSavingWorld();
 	}
 }

src/projectzombie/menu/MenuSavingWorld.java

@@ -0,0 +1,63 @@
+package projectzombie.menu;
+
+import gl_engine.matrix.Matrix4;
+import gl_engine.vec.Vec3d;
+import projectzombie.Main;
+import projectzombie.init.Models;
+import projectzombie.input.types.InputGUI;
+import projectzombie.menu.gui.GUI;
+import projectzombie.menu.gui.GUIAlignment;
+import projectzombie.menu.gui.GUILabel;
+import projectzombie.util.gl.GlHelpers;
+import projectzombie.worker.WorkerChunks;
+import projectzombie.world.chunk.ChunkEventHandler;
+
+public class MenuSavingWorld extends Menu
+{
+	private GUI gui;
+	
+	public MenuSavingWorld()
+	{
+		doGameloop = true;
+		doGameRender = true;
+		keepMouse = false;
+		showIngameGUI = false;
+		
+		GUILabel label = new GUILabel();
+		label.setText("Saving world...");
+		label.setAlign(GUIAlignment.CENTRE);
+		
+		gui = new GUI();
+		input = new InputGUI(gui);
+		
+		gui.add(label);
+	}
+	
+	@Override
+	public void render()
+	{
+		double a = GlHelpers.getAspectRatio();
+		
+		for(int x = 0; x < 16; x ++) {
+			for(int y = 0; y < 16; y ++)
+			{
+				Models.UI_STONE_BG.setModel(Matrix4.multiply(
+						Matrix4.scale(new Vec3d(1.25 * a, 1.25 * a, 1)),
+						Matrix4.translate(new Vec3d(-10 * a + 1.25 * a * x, -10 * a + 1.25 * a * y, 0))));
+				Models.UI_STONE_BG.render();
+			}
+		}
+		
+		gui.render();
+	}
+	
+	@Override
+	public void update()
+	{
+		super.update();
+		
+		if(WorkerChunks.isDone()) {
+			Main.menu = new MenuMain();
+		}
+	}
+}

src/projectzombie/menu/MenuWorldDelete.java

@@ -1,6 +1,13 @@
 package projectzombie.menu;
 
 import java.io.File;
+import java.io.IOException;
+import java.nio.file.FileVisitResult;
+import java.nio.file.FileVisitor;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.attribute.BasicFileAttributes;
 
 import bdf.file.BdfFileManager;
 import bdf.types.BdfArray;
@@ -22,7 +29,6 @@ public class MenuWorldDelete extends Menu
 {
 
 	private MenuSaves parent;
-	private String name;
 	private String path;
 	
 	private GUI gui;
@@ -30,7 +36,6 @@ public class MenuWorldDelete extends Menu
 	public MenuWorldDelete(MenuSaves parent, String name, String path)
 	{
 		this.parent = parent;
-		this.name = name;
 		this.path = path;
 		
 		keepMouse = false;
@@ -85,8 +90,37 @@ public class MenuWorldDelete extends Menu
 		BdfNamedList nl = bdf.getNamedList();
 		BdfArray array = nl.get("saves").getArray();
 		
-		File save_file = new File("./saves/" + path + ".bdf");
-		save_file.delete();
+		try
+		{
+			Files.walkFileTree(Paths.get("./saves/" + path), new FileVisitor<Path>()
+			{
+				@Override
+				public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
+					Files.delete(dir);
+					return FileVisitResult.CONTINUE;
+				}
+
+				@Override
+				public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
+					return FileVisitResult.CONTINUE;
+				}
+
+				@Override
+				public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+					Files.delete(file);
+					return FileVisitResult.CONTINUE;
+				}
+
+				@Override
+				public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
+					return FileVisitResult.CONTINUE;
+				}
+			});
+		}
+		
+		catch(IOException e) {
+			e.printStackTrace();
+		}
 		
 		for(int i=0;i<array.size();i++) {
 			BdfNamedList world_nl = array.get(i).getNamedList();

src/projectzombie/worker/WorkerChunkTask.java

@@ -7,19 +7,7 @@ import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 import projectzombie.world.layer.layergen.LayerGen;
 
-class WorkerChunkTask
+abstract class WorkerChunkTask
 {
-	Chunk chunk;
-	LayerGen layergen;
-	Layer layer;
-	Random rand;
 	Vec2i pos;
-	
-	public WorkerChunkTask(LayerGen layergen, Layer layer, Chunk chunk, Random rand, Vec2i pos) {
-		this.chunk = chunk;
-		this.layergen = layergen;
-		this.layer = layer;
-		this.rand = rand;
-		this.pos = pos;
-	}
 }

src/projectzombie/worker/WorkerChunkTaskGenerate.java

@@ -0,0 +1,24 @@
+package projectzombie.worker;
+
+import java.util.Random;
+
+import gl_engine.vec.Vec2i;
+import projectzombie.world.chunk.Chunk;
+import projectzombie.world.layer.Layer;
+import projectzombie.world.layer.layergen.LayerGen;
+
+class WorkerChunkTaskGenerate extends WorkerChunkTask
+{
+	Chunk chunk;
+	LayerGen layergen;
+	Layer layer;
+	Random rand;
+	
+	public WorkerChunkTaskGenerate(LayerGen layergen, Layer layer, Chunk chunk, Random rand, Vec2i pos) {
+		this.chunk = chunk;
+		this.layergen = layergen;
+		this.layer = layer;
+		this.rand = rand;
+		this.pos = pos;
+	}
+}

src/projectzombie/worker/WorkerChunkTaskLoad.java

@@ -0,0 +1,16 @@
+package projectzombie.worker;
+
+import gl_engine.vec.Vec2i;
+import projectzombie.world.layer.Layer;
+
+public class WorkerChunkTaskLoad extends WorkerChunkTask
+{
+	String path;
+	Layer layer;
+	
+	public WorkerChunkTaskLoad(String path, Layer layer, Vec2i pos) {
+		this.path = path;
+		this.layer = layer;
+		this.pos = pos;
+	}
+}

src/projectzombie/worker/WorkerChunkTaskSave.java

@@ -0,0 +1,18 @@
+package projectzombie.worker;
+
+import gl_engine.vec.Vec2i;
+import projectzombie.world.chunk.Chunk;
+
+public class WorkerChunkTaskSave extends WorkerChunkTask
+{
+	Chunk chunk;
+	String path;
+	int id;
+	
+	public WorkerChunkTaskSave(String path, Vec2i pos, Chunk chunk, int id) {
+		this.path = path;
+		this.pos = pos;
+		this.chunk = chunk;
+		this.id = id;
+	}
+}

src/projectzombie/worker/WorkerChunks.java

@@ -5,31 +5,45 @@ import java.util.Vector;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 
+import bdf.file.BdfFileManager;
 import gl_engine.vec.Vec2i;
+import projectzombie.Main;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 import projectzombie.world.layer.layergen.LayerGen;
 
 public class WorkerChunks extends Thread
 {
-	private boolean running = false;
-	private Vector<WorkerChunkTask> chunks_in = new Vector<WorkerChunkTask>();
-	private AtomicReference<Vector<Chunk>> chunks_out = new AtomicReference<Vector<Chunk>>();
+	private static Vector<WorkerChunkTask> chunks_in = new Vector<WorkerChunkTask>();
+	private static AtomicReference<Vector<Chunk>> chunks_out = new AtomicReference<Vector<Chunk>>();
 	
-	public void generateChunk(LayerGen layergen, Layer layer, Chunk chunk, Random rand, Vec2i pos) {
-		chunks_in.add(new WorkerChunkTask(layergen, layer, chunk, rand, pos));
+	public static void generateChunk(LayerGen layergen, Layer layer, Chunk chunk, Random rand, Vec2i pos) {
+		chunks_in.add(new WorkerChunkTaskGenerate(layergen, layer, chunk, rand, pos.copy()));
 	}
 	
-	public Vector<Chunk> getChunks() {
+	public static void loadChunk(String path, Layer layer, Vec2i pos) {
+		chunks_in.add(new WorkerChunkTaskLoad(path, layer, pos.copy()));
+	}
+
+	public static void saveChunk(String path, Vec2i pos, Chunk chunk, int id) {
+		chunks_in.add(new WorkerChunkTaskSave(path, pos.copy(), chunk, id));
+	}
+	
+	public static Vector<Chunk> getChunks() {
 		return chunks_out.getAndSet(new Vector<Chunk>());
 	}
 	
-	public boolean hasChunk(Vec2i cpos)
+	public static boolean hasChunk(Vec2i cpos)
 	{
 		boolean has[] = {false};
 		
-		chunks_in.forEach(c -> {
-			if(c.pos.equal(cpos)) {
+		chunks_in.forEach(c ->
+		{
+			if(
+					(c instanceof WorkerChunkTaskGenerate ||
+					c instanceof WorkerChunkTaskLoad) &&
+					c.pos.equal(cpos))
+			{
 				has[0] = true;
 			}
 		});
@@ -41,31 +55,80 @@ public class WorkerChunks extends Thread
 		chunks_out.set(new Vector<Chunk>());
 	}
 	
+	private synchronized WorkerChunkTask getNextIfAvailable()
+	{
+		if(chunks_in.size() == 0) {
+			return null;
+		} else {
+			return chunks_in.remove(0);
+		}
+	}
+	
 	@Override
 	public void run()
 	{
-		running = true;
-		
 		try
 		{
-			while(running)
+			while(Main.running)
 			{
-				if(chunks_in.size() == 0) {
-					Thread.sleep(1);
+				WorkerChunkTask ct = getNextIfAvailable();
+				
+				if(ct == null) {
+					Thread.sleep(10);
 					continue;
 				}
 				
-				WorkerChunkTask ct = chunks_in.remove(0);
+				// Generate a new chunk
+				if(ct instanceof WorkerChunkTaskGenerate)
+				{
+					WorkerChunkTaskGenerate ct_g = (WorkerChunkTaskGenerate)ct;
 					
-				Chunk chunk = ct.chunk;
-				LayerGen layergen = ct.layergen;
-				Layer layer = ct.layer;
-				Random rand = ct.rand;
-				Vec2i pos = ct.pos;
+					ct_g.layergen.generateChunk(ct_g.chunk, ct_g.layer, ct_g.rand, ct_g.pos);
 					
-				layergen.generateChunk(chunk, layer, rand, pos);
+					chunks_out.get().add(ct_g.chunk);
+				}
 				
-				chunks_out.get().add(chunk);
+				// Load an existing chunk
+				if(ct instanceof WorkerChunkTaskLoad)
+				{
+					WorkerChunkTaskLoad ct_l = (WorkerChunkTaskLoad)ct;
+					
+					if(ct_l.path == null) {
+						System.out.println("ChunkLoad: Path is NULL");
+						continue;
+					}
+					
+					String path = (
+							"./saves/" + ct_l.path + "/c_" + ct_l.layer.id +
+							"_" + ct_l.pos.x + "_" + ct_l.pos.y + ".bdf");
+					
+					BdfFileManager reader = new BdfFileManager(path, true);
+					
+					Chunk chunk = new Chunk(ct_l.layer, ct_l.pos, reader.getObject());
+					
+					chunks_out.get().add(chunk);
+				}
+				
+				// Save a chunk
+				if(ct instanceof WorkerChunkTaskSave)
+				{
+					WorkerChunkTaskSave ct_s = (WorkerChunkTaskSave)ct;
+					
+					if(ct_s.path == null) {
+						System.out.println("ChunkSave: Path is NULL");
+						continue;
+					}
+					
+					String path = (
+							"./saves/" + ct_s.path + "/c_" + ct_s.id +
+							"_" + ct_s.pos.x + "_" + ct_s.pos.y + ".bdf");
+					
+					BdfFileManager reader = new BdfFileManager(path, true);
+					
+					ct_s.chunk.BdfClassSave(reader.getObject());
+					
+					reader.saveDatabase();
+				}
 			}
 		}
 		
@@ -74,7 +137,7 @@ public class WorkerChunks extends Thread
 		}
 	}
 
-	public void kill() {
-		running = false;
+	public static boolean isDone() {
+		return chunks_in.size() == 0;
 	}
 }

src/projectzombie/worker/WorkerFile.java

@@ -0,0 +1,63 @@
+package projectzombie.worker;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Vector;
+import java.util.zip.GZIPOutputStream;
+
+import bdf.types.BdfReader;
+import projectzombie.Main;
+
+public class WorkerFile extends Thread
+{
+	private static Vector<WorkerFileTask> tasks = new Vector<WorkerFileTask>();
+	
+	public static void addTask(String path, BdfReader reader) {
+		tasks.add(new WorkerFileTask(path, reader));
+	}
+	
+	private synchronized WorkerFileTask getNextIfAvailable()
+	{
+		if(tasks.size() == 0) {
+			return null;
+		} else {
+			return tasks.remove(0);
+		}
+	}
+	
+	@Override
+	public void run()
+	{
+		try
+		{
+			while(Main.running)
+			{
+				WorkerFileTask task = getNextIfAvailable();
+				
+				if(task == null) {
+					Thread.sleep(10);
+					continue;
+				}
+				
+				try
+				{
+					OutputStream out = new FileOutputStream(task.path);
+					out = new GZIPOutputStream(out);
+					
+					task.reader.serialize().writeToStream(out);
+					
+					out.close();
+				}
+				
+				catch(IOException e) {
+					e.printStackTrace();
+				}
+			}
+		}
+		
+		catch(InterruptedException e) {
+			e.printStackTrace();
+		}
+	}
+}

src/projectzombie/worker/WorkerFileTask.java

@@ -0,0 +1,14 @@
+package projectzombie.worker;
+
+import bdf.types.BdfReader;
+
+class WorkerFileTask
+{
+	String path;
+	BdfReader reader;
+	
+	public WorkerFileTask(String path, BdfReader reader) {
+		this.reader = reader;
+		this.path = path;
+	}
+}

src/projectzombie/worker/WorkerLighting.java

@@ -2,6 +2,7 @@ package projectzombie.worker;
 
 import java.util.concurrent.atomic.AtomicReference;
 
+import projectzombie.Main;
 import projectzombie.display.DisplayLighting;
 import projectzombie.task.Task;
 
@@ -15,7 +16,6 @@ public class WorkerLighting extends Thread
 		int y;
 	}
 	
-	private boolean running;
 	private AtomicReference<LightingTask> task = new AtomicReference<WorkerLighting.LightingTask>();
 	
 	public void processLighting(float[] lights, int width, int height, int x, int y)
@@ -71,16 +71,13 @@ public class WorkerLighting extends Thread
 
 	
 	@Override
-	public void run() {
-		super.run();
-		
-		running = true;
-		
+	public void run()
+	{
 		try
 		{
-			while(running)
+			while(Main.running)
 			{
-				LightingTask task = this.task.get();
+				LightingTask task = this.task.getAndSet(null);
 				
 				if(task != null)
 				{
@@ -101,7 +98,7 @@ public class WorkerLighting extends Thread
 				}
 				
 				else {
-					Thread.sleep(1);
+					Thread.sleep(10);
 				}
 			}
 		}
@@ -110,8 +107,4 @@ public class WorkerLighting extends Thread
 			e.printStackTrace();
 		}
 	}
-	
-	public void kill() {
-		running = false;
-	}
 }

src/projectzombie/world/World.java

@@ -13,6 +13,7 @@ import bdf.file.BdfFileManager;
 import bdf.types.BdfArray;
 import bdf.types.BdfNamedList;
 import bdf.types.BdfObject;
+import bdf.types.BdfReader;
 import gl_engine.matrix.Matrix4;
 import gl_engine.vec.Vec3d;
 import projectzombie.Main;
@@ -25,6 +26,7 @@ import projectzombie.init.Layers;
 import projectzombie.menu.MenuLoadingWorld;
 import projectzombie.model.Model;
 import projectzombie.time.GameTimer;
+import projectzombie.worker.WorkerFile;
 import projectzombie.world.chunk.ChunkEventHandler;
 import projectzombie.world.layer.Layer;
 
@@ -38,7 +40,6 @@ public class World implements IBdfClassManager
 	
 	private Layer loaded;
 	private ArrayList<Layer> layers = new ArrayList<Layer>();
-	private BdfFileManager file_manager;
 	
 	private String path;
 	private int pool_vao, pool_vbo, pool_ibo;
@@ -51,22 +52,18 @@ public class World implements IBdfClassManager
 		
 		if(path != null)
 		{
-			path = "./saves/" + path + ".bdf";
-			File save_file = new File(path);
-			File save_dir = save_file.getParentFile();
+			path = "./saves/" + path + "/";
+			File save_dir = new File(path);
+			File file_dir = new File(path + "world.bdf");
 			
 			if(!save_dir.exists()) {
 				save_dir.mkdirs();
 			}
 			
-			if(save_file.exists()) {
-				file_manager = new BdfFileManager(path);
+			if(file_dir.exists()) {
+				BdfFileManager file_manager = new BdfFileManager(path + "world.bdf", true);
 				BdfClassLoad(file_manager.getObject());
 			}
-			
-			else {
-				file_manager = new BdfFileManager(path);
-			}
 		}
 	}
 	
@@ -265,12 +262,17 @@ public class World implements IBdfClassManager
 	
 	public void save()
 	{
-		if(file_manager != null)
+		if(path != null)
 		{
-			BdfObject bdf = file_manager.resetObject();
+			for(Layer layer : layers) {
+				layer.save();
+			}
+			
+			BdfReader reader = new BdfReader();
+			BdfObject bdf = reader.getObject();
 			BdfClassSave(bdf);
 			
-			file_manager.saveDatabase();
+			WorkerFile.addTask("./saves/" + path + "/world.bdf", reader);
 		}
 	}
 	

src/projectzombie/world/chunk/Chunk.java

@@ -54,7 +54,7 @@ public class Chunk implements IBdfClassManager
 	private byte tiles_temperature[] = new byte[CHUNK_INDEX];
 	private byte tiles_humidity[] = new byte[CHUNK_INDEX];
 	public ArrayList<Entity> entities = new ArrayList<Entity>();
-	private Layer layer;
+	public Layer layer;
 	public Vec2i c_pos;
 	private boolean dirty;
 	private boolean light_dirty;

src/projectzombie/world/chunk/ChunkEventHandler.java

@@ -7,6 +7,7 @@ import mainloop.task.IMainloopTask;
 import projectzombie.Main;
 import projectzombie.display.DisplayLighting;
 import projectzombie.util.math.map.Map2DElement;
+import projectzombie.worker.WorkerChunks;
 import projectzombie.world.layer.Layer;
 
 public class ChunkEventHandler implements IMainloopTask
@@ -73,7 +74,7 @@ public class ChunkEventHandler implements IMainloopTask
 				Vec2i c_pos = new Vec2i(cx, cy);
 				
 				// Is this chunk not loaded
-				if(!layer.chunkLoaded(c_pos) && !Main.workerChunks.hasChunk(c_pos))
+				if(!layer.chunkLoaded(c_pos) && !WorkerChunks.hasChunk(c_pos))
 				{
 					// Load the chunk
 					layer.loadChunk(c_pos);

src/projectzombie/world/layer/Layer.java

@@ -21,14 +21,15 @@ import projectzombie.util.math.TileState;
 import projectzombie.util.math.map.Map2D;
 import projectzombie.util.math.map.Map2DElement;
 import projectzombie.util.math.random.NoiseGenerator;
+import projectzombie.worker.WorkerChunks;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.layergen.LayerGen;
 
 public class Layer implements IBdfClassManager
 {
 	public Map2D<Chunk> chunks;
-	private Map2D<Chunk> dirty_chunks;
 	public NoiseGenerator[] noise_gens;
+	public ArrayList<Vec2i> chunks_saved;
 	public LayerGen layergen;
 	private Random rand;
 	public long lseed;
@@ -43,7 +44,7 @@ public class Layer implements IBdfClassManager
 		this.seed = rand.nextLong();
 		this.lseed = this.rand.nextLong();
 		this.chunks = new Map2D<Chunk>(layergen);
-		this.dirty_chunks = new Map2D<Chunk>(layergen);
+		this.chunks_saved = new ArrayList<Vec2i>();
 		
 		this.layergen.init(this);
 	}
@@ -268,19 +269,34 @@ public class Layer implements IBdfClassManager
 	
 	public void loadChunks()
 	{
-		for(Chunk chunk : Main.workerChunks.getChunks())
+		WorkerChunks.getChunks().forEach(chunk ->
 		{
+			if(chunk.layer != this) {
+				return;
+			}
+			
 			Vec2i pos = chunk.c_pos;
 			chunks.set(pos, chunk);
 			chunk.clearDirty();
+		});
+	}
+	
+	private boolean hasSavedChunk(Vec2i check)
+	{
+		for(Vec2i pos : chunks_saved) {
+			if(pos.equal(check)) {
+				return true;
+			}
 		}
+		
+		return false;
 	}
 	
 	public void loadChunk(Vec2i pos)
 	{
 		// Has the chunk been saved for later
-		if(dirty_chunks.contains(pos)) {
-			chunks.set(pos, dirty_chunks.get(pos));
+		if(hasSavedChunk(pos)) {
+			WorkerChunks.loadChunk(Main.world.getSavePath(), this, pos);
 		}
 		
 		else
@@ -290,7 +306,7 @@ public class Layer implements IBdfClassManager
 			
 			// Create and generate the chunk
 			Chunk chunk = new Chunk(this, pos, rand);
-			Main.workerChunks.generateChunk(layergen, this, chunk, new Random(cseed), pos);
+			WorkerChunks.generateChunk(layergen, this, chunk, new Random(cseed), pos);
 		}
 	}
 	
@@ -298,8 +314,13 @@ public class Layer implements IBdfClassManager
 	{
 		// Store the chunk if its a dirty chunk
 		Chunk chunk = chunks.get(pos);
-		if(chunk.isDirty()) {
-			dirty_chunks.set(pos, chunk);
+		if(chunk.isDirty())
+		{
+			WorkerChunks.saveChunk(Main.world.getSavePath(), pos, chunk, id);
+			
+			if(!hasSavedChunk(pos)) {
+				chunks_saved.add(pos);
+			}
 		}
 		
 		// Remove the chunk
@@ -341,21 +362,19 @@ public class Layer implements IBdfClassManager
 	{
 		BdfNamedList nl = bdf.getNamedList();
 		
-		this.layergen = LayerGenerators.loadFromID(nl.get("lgen").getInteger());
-		this.dirty_chunks = new Map2D<Chunk>(layergen);
+		BdfArray bdf_chunks = nl.get("chunks").getArray();
+		
+		this.layergen = LayerGenerators.loadFromID((int)nl.get("lgen").getAutoInt());
+		this.chunks_saved = new ArrayList<Vec2i>(bdf_chunks.size());
 		this.chunks = new Map2D<Chunk>(layergen);
 		this.seed = nl.get("seed").getLong();
 		this.lseed = nl.get("lseed").getLong();
-		this.id = nl.get("id").getInteger();
+		this.id = (int)nl.get("id").getAutoInt();
 		this.rand = new Random();
 		
-		BdfArray bdf_chunks = nl.get("chunks").getArray();
-		
 		for(BdfObject bdf_chunk : bdf_chunks) {
-			BdfNamedList chunk_nl = bdf_chunk.getNamedList();
-			Vec2i cpos = new Vec2i(chunk_nl.get("pos"));
-			Chunk chunk = new Chunk(this, cpos, chunk_nl.get("chunk"));
-			dirty_chunks.set(cpos, chunk);
+			Vec2i c = new Vec2i(bdf_chunk);
+			chunks_saved.add(c);
 		}
 		
 		layergen.init(this);
@@ -368,28 +387,29 @@ public class Layer implements IBdfClassManager
 		
 		nl.set("lseed", bdf.newObject().setLong(lseed));
 		nl.set("seed", bdf.newObject().setLong(seed));
-		nl.set("id", bdf.newObject().setInteger(id));
-		nl.set("lgen", bdf.newObject().setInteger(LayerGenerators.getLGID(this.layergen)));
+		nl.set("id", bdf.newObject().setAutoInt(id));
+		nl.set("lgen", bdf.newObject().setAutoInt(LayerGenerators.getLGID(this.layergen)));
 		
-		BdfArray bdf_chunks = nl.get("chunks").getArray();
+		BdfArray bdf_chunks = bdf.newArray(chunks_saved.size());
+		nl.set("chunks", bdf.newObject().setArray(bdf_chunks));
 		
-		for(Map2DElement<Chunk> chunk : dirty_chunks) {
-			BdfNamedList chunk_nl = bdf.newNamedList();
-			chunk.pos.BdfClassSave(chunk_nl.get("pos"));
-			chunk.o.BdfClassSave(chunk_nl.get("chunk"));
-			bdf_chunks.add(bdf.newObject().setNamedList(chunk_nl));
+		for(int i=0;i<chunks_saved.size();i++) {
+			chunks_saved.get(i).BdfClassSave(bdf_chunks.get(i));
 		}
+	}
 	
-		for(Map2DElement<Chunk> chunk : chunks) {
-			if(dirty_chunks.contains(chunk.pos))
-				continue;
-			if(!chunk.o.isDirty())
-				continue;
+	public void save()
+	{
+		for(Map2DElement<Chunk> chunk : chunks)
+		{
+			if(chunk.o.isDirty())
+			{
+				WorkerChunks.saveChunk(Main.world.getSavePath(), chunk.pos, chunk.o, id);
 				
-			BdfNamedList chunk_nl = bdf.newNamedList();
-			chunk.pos.BdfClassSave(chunk_nl.get("pos"));
-			chunk.o.BdfClassSave(chunk_nl.get("chunk"));
-			bdf_chunks.add(bdf.newObject().setNamedList(chunk_nl));
+				if(!hasSavedChunk(chunk.pos)) {
+					chunks_saved.add(chunk.pos);
+				}
+			}
 		}
 	}