Entirely rewritten ION, world saving, added map movement etc

src/mightypork/gamecore/input/InputSystem.java

@@ -204,4 +204,10 @@ public class InputSystem extends RootBusNode implements Updateable, KeyBinder {
 	{
 		Mouse.setGrabbed(grab);
 	}
+	
+	
+	public static boolean isKeyDown(int key)
+	{
+		return Keyboard.isKeyDown(key);
+	}
 }

src/mightypork/rogue/App.java

@@ -22,15 +22,12 @@ import mightypork.rogue.screens.main_menu.ScreenMainMenu;
 import mightypork.rogue.screens.test_bouncyboxes.ScreenTestBouncy;
 import mightypork.rogue.screens.test_cat_sound.ScreenTestCat;
 import mightypork.rogue.screens.test_render.ScreenTestRender;
-import mightypork.rogue.world.PlayerInfo;
-import mightypork.rogue.world.World;
-import mightypork.rogue.world.WorldPos;
 import mightypork.rogue.world.item.Item;
 import mightypork.rogue.world.map.Level;
 import mightypork.rogue.world.tile.Tile;
 import mightypork.util.control.eventbus.EventBus;
 import mightypork.util.control.eventbus.events.Event;
-import mightypork.util.files.ion.Ion;
+import mightypork.util.ion.Ion;
 import mightypork.util.logging.Log;
 import mightypork.util.logging.writers.LogWriter;
 
@@ -109,12 +106,9 @@ public final class App extends BaseApp {
 	@Override
 	protected void preInit()
 	{
-		Ion.registerIonizable(Item.ION_MARK, Item.class);
+		Ion.registerBinary(Item.ION_MARK, Item.class);
-		Ion.registerIonizable(Level.ION_MARK, Level.class);
+		Ion.registerBinary(Level.ION_MARK, Level.class);
-		Ion.registerIonizable(PlayerInfo.ION_MARK, PlayerInfo.class);
+		Ion.registerBinary(Tile.ION_MARK, Tile.class);
-		Ion.registerIonizable(Tile.ION_MARK, Tile.class);
-		Ion.registerIonizable(World.ION_MARK, World.class);
-		Ion.registerIonizable(WorldPos.ION_MARK, WorldPos.class);
 	}
 	
 	

src/mightypork/rogue/screens/ingame/WorldLayer.java

@@ -6,9 +6,12 @@ import java.util.Random;
 
 import mightypork.gamecore.gui.screens.Screen;
 import mightypork.gamecore.gui.screens.ScreenLayer;
+import mightypork.gamecore.input.InputSystem;
+import mightypork.gamecore.input.KeyStroke;
+import mightypork.gamecore.input.Keys;
 import mightypork.rogue.world.MapGenerator;
 import mightypork.rogue.world.World;
-import mightypork.util.files.ion.Ion;
+import mightypork.util.ion.Ion;
 
 
 public class WorldLayer extends ScreenLayer {
@@ -17,17 +20,82 @@ public class WorldLayer extends ScreenLayer {
 	{
 		super(screen);
 		
+		// FIXME just temporary test here
+		
 		final Random rand = new Random();
 		final World w = MapGenerator.createWorld(rand.nextLong());
+		
 		try {
 			Ion.toFile("amap.ion", w);
 		} catch (final IOException e) {
 			e.printStackTrace();
+			System.exit(1);
+			return;
 		}
 		
+//		final World w;
+//		
+//		try {
+//			w = Ion.fromFile("amap.ion", World.class);
+//		} catch (IOException e) {
+//			e.printStackTrace();
+//			System.exit(1);
+//			return;
+//		}
+		
 		final WorldRenderer wr = new WorldRenderer(w);
 		wr.setRect(root);
 		root.add(wr);
+		
+		bindKey(new KeyStroke(true, Keys.LEFT), new Runnable() {
+			
+			@Override
+			public void run()
+			{
+				w.getPlayer().walk(-1, 0);
+			}
+		});
+		bindKey(new KeyStroke(true, Keys.RIGHT), new Runnable() {
+			
+			@Override
+			public void run()
+			{
+				w.getPlayer().walk(1, 0);
+			}
+		});
+		bindKey(new KeyStroke(true, Keys.UP), new Runnable() {
+			
+			@Override
+			public void run()
+			{
+				w.getPlayer().walk(0, -1);
+			}
+		});
+		bindKey(new KeyStroke(true, Keys.DOWN), new Runnable() {
+			
+			@Override
+			public void run()
+			{
+				w.getPlayer().walk(0, 1);
+			}
+		});
+		
+		w.getPlayer().setTargetListener(new Runnable() {
+			
+			@Override
+			public void run()
+			{
+				if (InputSystem.isKeyDown(Keys.LEFT)) {
+					w.getPlayer().walk(-1, 0);
+				} else if (InputSystem.isKeyDown(Keys.RIGHT)) {
+					w.getPlayer().walk(1, 0);
+				} else if (InputSystem.isKeyDown(Keys.UP)) {
+					w.getPlayer().walk(0, -1);
+				} else if (InputSystem.isKeyDown(Keys.DOWN)) {
+					w.getPlayer().walk(0, 1);
+				}
+			}
+		});
 	}
 	
 	

src/mightypork/rogue/screens/main_menu/MenuButton.java

@@ -7,7 +7,6 @@ import mightypork.gamecore.gui.components.painters.TextPainter;
 import mightypork.gamecore.render.fonts.GLFont;
 import mightypork.rogue.Res;
 import mightypork.util.constraints.num.Num;
-import mightypork.util.constraints.num.mutable.NumVar;
 import mightypork.util.constraints.vect.Vect;
 import mightypork.util.constraints.vect.mutable.VectVar;
 import mightypork.util.math.color.Color;
@@ -21,23 +20,14 @@ class MenuButton extends ClickableComponent {
 	private final Vect offsetActive = Vect.make(this.height().perc(-5), Num.ZERO);
 	private final Color color;
 	
-	private final double ALPHA_OFF = 0.6;
-	private final double ALPHA_ON = 1;
-	
-	private final double SH_ALPHA_OFF = 0.1;
-	private final double SH_ALPHA_ON = 0.5;
-	
-	private final NumVar alphaMul = Num.makeVar(ALPHA_OFF);
-	private final NumVar alphaMulSh = Num.makeVar(SH_ALPHA_OFF);
-	
 	
 	public MenuButton(String text, Color color)
 	{
-		this.color = color.withAlpha(alphaMul);
+		this.color = color;
 		
 		this.painter = new TextPainter(font, AlignX.CENTER, this.color, text);
 		this.painter.setRect(this.shrink(this.height().perc(8)).move(offset));
-		this.painter.setShadow(Color.BLACK.withAlpha(alphaMulSh), height().div(24).toVectXY());
+		this.painter.setShadow(Color.BLACK.withAlpha(0.3), height().div(24).toVectXY());
 	}
 	
 	
@@ -46,12 +36,8 @@ class MenuButton extends ClickableComponent {
 	{
 		if (isMouseOver()) {
 			offset.setTo(offsetActive);
-			alphaMul.setTo(ALPHA_ON);
-			alphaMulSh.setTo(SH_ALPHA_ON);
 		} else {
 			offset.setTo(Vect.ZERO);
-			alphaMul.setTo(ALPHA_OFF);
-			alphaMulSh.setTo(SH_ALPHA_OFF);
 		}
 		
 		painter.render();

src/mightypork/rogue/world/MapGenerator.java

@@ -4,6 +4,7 @@ package mightypork.rogue.world;
 import java.util.Random;
 
 import mightypork.rogue.world.map.Level;
+import mightypork.rogue.world.tile.TileModel;
 import mightypork.rogue.world.tile.Tiles;
 
 
@@ -20,33 +21,30 @@ public class MapGenerator {
 			final World w = new World();
 			w.setSeed(seed);
 			
-			final int levels = 4 + rand.nextInt(6);
+			w.addLevel(createLevel(rand.nextLong(), Tiles.CRYSTAL_FLOOR, Tiles.CRYSTAL_WALL));
-			
+			w.addLevel(createLevel(rand.nextLong(), Tiles.BRCOBBLE_FLOOR, Tiles.BRCOBBLE_WALL));
-			for (int i = 0; i < levels; i++) {
-				w.addLevel(createLevel(rand.nextLong()));
-			}
 			
 			// TODO place on start position
-			w.setPlayer(new PlayerInfo(10, 10, 0));
+			w.getPlayer().teleport(new WorldPos(10, 10, 0));
 			return w;
 		}
 	}
 	
 	
-	private static Level createLevel(long seed)
+	private static Level createLevel(long seed, TileModel floor, TileModel wall)
 	{
 		// TODO
 		
 		final Level lm = new Level(20, 20);
 		lm.setSeed(seed);
 		
-		lm.fill(Tiles.CRYSTAL_FLOOR);
+		lm.fill(floor);
 		
 		final Random rand = new Random();
 		rand.setSeed(seed);
 		
 		for (int i = 0; i < 150; i++) {
-			lm.setTile(Tiles.CRYSTAL_WALL, rand.nextInt(20), rand.nextInt(20));
+			lm.setTile(wall, rand.nextInt(20), rand.nextInt(20));
 		}
 		
 		return lm;

src/mightypork/rogue/world/MapObserver.java

@@ -6,13 +6,7 @@ package mightypork.rogue.world;
  * 
  * @author MightyPork
  */
-public interface MapObserver {
+public interface MapObserver extends WorldEntity {
-	
-	/**
-	 * @return observer's position
-	 */
-	public WorldPos getPosition();
-	
 	
 	/**
 	 * @return observed range (in tiles)

src/mightypork/rogue/world/Player.java

@@ -0,0 +1,127 @@
+package mightypork.rogue.world;
+
+
+import java.io.IOException;
+
+import mightypork.util.constraints.vect.Vect;
+import mightypork.util.constraints.vect.mutable.VectAnimated;
+import mightypork.util.control.timing.Updateable;
+import mightypork.util.ion.IonBundle;
+import mightypork.util.ion.IonBundled;
+import mightypork.util.math.Easing;
+
+
+/**
+ * Player info
+ * 
+ * @author MightyPork
+ */
+public class Player implements IonBundled, MapObserver, Updateable {
+	
+	private final WorldPos position = new WorldPos();
+	private final VectAnimated walkOffset = new VectAnimated(Vect.ZERO, Easing.LINEAR);
+	private final WorldPos target = new WorldPos();
+	private Runnable targetListener;
+	
+	
+	public Player()
+	{
+		walkOffset.setDefaultDuration(0.25);
+	}
+	
+	
+	public Player(int x, int y, int floor)
+	{
+		this.position.setTo(x, y, floor);
+		this.target.setTo(position);
+	}
+	
+	
+	public Player(WorldPos pos)
+	{
+		this(pos.x, pos.y, pos.floor);
+	}
+	
+	
+	@Override
+	public void load(IonBundle in) throws IOException
+	{
+		in.loadBundled("pos", position);
+		in.loadBundled("target", target);
+	}
+	
+	
+	@Override
+	public void save(IonBundle out) throws IOException
+	{
+		out.putBundled("pos", position);
+		out.putBundled("target", target);
+	}
+	
+	
+	@Override
+	public WorldPos getLogicalPosition()
+	{
+		return position;
+	}
+	
+	
+	@Override
+	public Vect getVisualOffset()
+	{
+		return walkOffset;
+	}
+	
+	
+	@Override
+	public int getViewRange()
+	{
+		return 15;
+	}
+	
+	
+	public void teleport(WorldPos pos)
+	{
+		position.setTo(pos);
+		target.setTo(pos);
+		walkOffset.reset();
+	}
+	
+	
+	public void walk(int offsetX, int offsetY)
+	{
+		this.target.setTo(position.x + offsetX, position.y + offsetY, this.position.floor);
+	}
+	
+	
+	@Override
+	public void update(double delta)
+	{
+		if (!walkOffset.isFinished()) {
+			walkOffset.update(delta);
+			if (walkOffset.isFinished()) {
+				position.add(walkOffset.xi(), walkOffset.yi(), position.floor);
+				walkOffset.reset();
+				targetListener.run();
+			}
+		}
+		
+		if (walkOffset.isFinished() && !target.equals(position)) {
+			
+			int x = (target.x - position.x);
+			if (x > 0) x = 1;
+			if (x < 0) x = -1;
+			int y = (target.y - position.y);
+			if (y > 0) y = 1;
+			if (y < 0) y = -1;
+			
+			walkOffset.animate(x, y, 0);
+		}
+	}
+	
+	
+	public void setTargetListener(Runnable r)
+	{
+		this.targetListener = r;
+	}
+}

src/mightypork/rogue/world/PlayerInfo.java

@@ -1,83 +0,0 @@
-package mightypork.rogue.world;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.IonBundle;
-import mightypork.util.files.ion.IonConstructor;
-import mightypork.util.files.ion.Ionizable;
-
-
-/**
- * Player info
- * 
- * @author MightyPork
- */
-public class PlayerInfo implements Ionizable, MapObserver {
-	
-	public static final short ION_MARK = 708;
-	
-	public WorldPos position = new WorldPos();
-	
-	
-	@IonConstructor
-	public PlayerInfo()
-	{
-	}
-	
-	
-	public PlayerInfo(int x, int y, int floor)
-	{
-		this.position.setTo(x, y, floor);
-	}
-	
-	
-	public PlayerInfo(WorldPos pos)
-	{
-		this.position = pos;
-	}
-	
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		final IonBundle ib = (IonBundle) Ion.readObject(in);
-		
-		position = ib.get("pos", position);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		final IonBundle ib = new IonBundle();
-		
-		ib.put("pos", position);
-		
-		Ion.writeObject(out, ib);
-	}
-	
-	
-	@Override
-	public short getIonMark()
-	{
-		return ION_MARK;
-	}
-	
-	
-	@Override
-	public WorldPos getPosition()
-	{
-		return position;
-	}
-	
-	
-	@Override
-	public int getViewRange()
-	{
-		return 15;
-	}
-}

src/mightypork/rogue/world/World.java

@@ -2,8 +2,7 @@ package mightypork.rogue.world;
 
 
 import java.io.IOException;
-import java.io.InputStream;
+import java.util.ArrayList;
-import java.io.OutputStream;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -14,19 +13,15 @@ import mightypork.util.constraints.rect.RectConst;
 import mightypork.util.constraints.rect.proxy.RectBound;
 import mightypork.util.constraints.vect.VectConst;
 import mightypork.util.control.timing.Updateable;
-import mightypork.util.files.ion.Ion;
+import mightypork.util.ion.IonBundle;
-import mightypork.util.files.ion.IonBundle;
+import mightypork.util.ion.IonBundled;
-import mightypork.util.files.ion.Ionizable;
-import mightypork.util.files.ion.templates.StreamableArrayList;
 
 
-public class World implements Ionizable, Updateable {
+public class World implements IonBundled, Updateable {
 	
-	public static final short ION_MARK = 706;
+	private final ArrayList<Level> levels = new ArrayList<>();
 	
-	private StreamableArrayList<Level> levels = new StreamableArrayList<>();
+	private final Player player = new Player();
-	
-	private PlayerInfo player = new PlayerInfo();
 	
 	private transient final Set<MapObserver> observers = new HashSet<>();
 	
@@ -35,36 +30,20 @@ public class World implements Ionizable, Updateable {
 	
 	
 	@Override
-	public void load(InputStream in) throws IOException
+	public void load(IonBundle in) throws IOException
 	{
-		// world data
+		in.loadBundled("player", player);
-		final IonBundle ib = (IonBundle) Ion.readObject(in);
+		seed = in.get("seed", 0L);
-		player = ib.get("player", player);
+		in.loadSequence("levels", levels);
-		seed = ib.get("seed", seed);
-		
-		Ion.readSequence(in, levels);
 	}
 	
 	
 	@Override
-	public void save(OutputStream out) throws IOException
+	public void save(IonBundle out) throws IOException
 	{
-		final IonBundle ib = new IonBundle();
+		out.putBundled("player", player);
-		ib.put("player", player);
+		out.put("seed", seed);
-		ib.put("seed", seed);
+		out.putSequence("levels", levels);
-		Ion.writeObject(out, ib);
-		
-		Ion.writeSequence(out, levels);
-	}
-	
-	
-	public void setPlayer(PlayerInfo player)
-	{
-		removeObserver(this.player);
-		
-		this.player = player;
-		
-		addObserver(player);
 	}
 	
 	
@@ -86,19 +65,14 @@ public class World implements Ionizable, Updateable {
 	}
 	
 	
-	@Override
-	public short getIonMark()
-	{
-		return ION_MARK;
-	}
-	
-	
 	@Override
 	public void update(double delta)
 	{
+		player.update(delta);
+		
 		for (int level = 0; level < levels.size(); level++) {
 			for (final MapObserver observer : observers) {
-				if (observer.getPosition().floor == level) {
+				if (observer.getLogicalPosition().floor == level) {
 					levels.get(level).update(observer, delta);
 				}
 			}
@@ -108,7 +82,7 @@ public class World implements Ionizable, Updateable {
 	
 	public Level getLevelForObserver(MapObserver observer)
 	{
-		return levels.get(observer.getPosition().floor);
+		return levels.get(observer.getLogicalPosition().floor);
 	}
 	
 	
@@ -138,19 +112,22 @@ public class World implements Ionizable, Updateable {
 		
 		final VectConst vpCenter = r.center().sub(tileSize * 0.5, tileSize).freeze(); // 0.5 to center, 1 to move up (down is teh navbar)
 		
-		final int playerX = player.getPosition().x;
+		final double playerX = player.getLogicalPosition().x + player.getVisualOffset().x();
-		final int playerY = player.getPosition().y;
+		final double playerY = player.getLogicalPosition().y + player.getVisualOffset().y();
 		
 		// total map area
 		//@formatter:off
 		final RectConst mapRect = vpCenter.startRect().grow(
 				playerX*tileSize,
-				playerY*tileSize,//
 				(floor.getWidth() - playerX) * tileSize,
+				playerY*tileSize,
 				(floor.getHeight() - playerY) * tileSize
 		).freeze();
 		//@formatter:on
 		
+		System.out.println(playerX + "," + playerY + " : " + mapRect);
+		System.out.println(floor.getWidth() + "," + floor.getHeight());
+		
 		// tiles to render
 		final int x1 = (int) Math.floor(playerX - (vpW / tileSize));
 		final int y1 = (int) Math.floor(playerY - (vpH / tileSize));
@@ -177,4 +154,10 @@ public class World implements Ionizable, Updateable {
 		return seed;
 	}
 	
+	
+	public Player getPlayer()
+	{
+		return player;
+	}
+	
 }

src/mightypork/rogue/world/WorldEntity.java

@@ -0,0 +1,13 @@
+package mightypork.rogue.world;
+
+
+import mightypork.util.constraints.vect.Vect;
+
+
+public interface WorldEntity {
+	
+	WorldPos getLogicalPosition();
+	
+	
+	Vect getVisualOffset();
+}

src/mightypork/rogue/world/WorldPos.java

@@ -2,12 +2,9 @@ package mightypork.rogue.world;
 
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
-import mightypork.util.files.ion.Ion;
+import mightypork.util.ion.IonBundle;
-import mightypork.util.files.ion.IonConstructor;
+import mightypork.util.ion.IonBundled;
-import mightypork.util.files.ion.Ionizable;
 
 
 /**
@@ -15,57 +12,88 @@ import mightypork.util.files.ion.Ionizable;
  * 
  * @author MightyPork
  */
-public class WorldPos implements Ionizable {
+public class WorldPos implements IonBundled {
-	
-	public static final short ION_MARK = 707;
 	
 	public int x, y, floor;
 	
 	
-	public WorldPos(int x, int y, int z)
+	public WorldPos(int x, int y, int floor)
 	{
 		super();
 		this.x = x;
 		this.y = y;
-		this.floor = z;
+		this.floor = floor;
 	}
 	
 	
-	@IonConstructor
 	public WorldPos()
 	{
 	}
 	
 	
 	@Override
-	public void load(InputStream in) throws IOException
+	public void load(IonBundle in) throws IOException
 	{
-		x = Ion.readInt(in);
+		x = in.get("x", 0);
-		y = Ion.readInt(in);
+		y = in.get("y", 0);
-		floor = Ion.readInt(in);
+		floor = in.get("z", 0);
 	}
 	
 	
 	@Override
-	public void save(OutputStream out) throws IOException
+	public void save(IonBundle out) throws IOException
 	{
-		Ion.writeInt(out, x);
+		out.put("x", x);
-		Ion.writeInt(out, y);
+		out.put("y", y);
-		Ion.writeInt(out, floor);
+		out.put("z", floor);
 	}
 	
 	
-	@Override
+	public void setTo(int x, int y, int floor)
-	public short getIonMark()
-	{
-		return ION_MARK;
-	}
-	
-	
-	public void setTo(int x, int y, int z)
 	{
 		this.x = x;
 		this.y = y;
-		this.floor = z;
+		this.floor = floor;
 	}
+	
+	
+	public void setTo(WorldPos other)
+	{
+		this.x = other.x;
+		this.y = other.y;
+		this.floor = other.floor;
+	}
+	
+	
+	@Override
+	public int hashCode()
+	{
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + floor;
+		result = prime * result + x;
+		result = prime * result + y;
+		return result;
+	}
+	
+	
+	@Override
+	public boolean equals(Object obj)
+	{
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof WorldPos)) return false;
+		final WorldPos other = (WorldPos) obj;
+		if (floor != other.floor) return false;
+		if (x != other.x) return false;
+		if (y != other.y) return false;
+		return true;
+	}
+	
+	
+	public void add(int x, int y, int floor)
+	{
+		setTo(this.x + x, this.y + y, this.floor + floor);
+	}
+	
 }

src/mightypork/rogue/world/item/Item.java

@@ -2,18 +2,16 @@ package mightypork.rogue.world.item;
 
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 import mightypork.util.constraints.rect.proxy.RectBound;
-import mightypork.util.files.ion.Ion;
+import mightypork.util.ion.IonBinary;
-import mightypork.util.files.ion.IonConstructor;
+import mightypork.util.ion.IonInput;
-import mightypork.util.files.ion.Ionizable;
+import mightypork.util.ion.IonOutput;
 
 
-public class Item implements Ionizable {
+public class Item implements IonBinary {
 	
-	public static final short ION_MARK = 701;
+	public static final short ION_MARK = 51;
 	
 	private transient ItemModel model;
 	
@@ -26,7 +24,6 @@ public class Item implements Ionizable {
 	}
 	
 	
-	@IonConstructor
 	public Item()
 	{
 	}
@@ -46,16 +43,16 @@ public class Item implements Ionizable {
 	
 	
 	@Override
-	public void save(OutputStream out) throws IOException
+	public void save(IonOutput out) throws IOException
 	{
-		Ion.writeShort(out, (short) id);
+		out.writeIntByte(id);
 	}
 	
 	
 	@Override
-	public void load(InputStream in) throws IOException
+	public void load(IonInput in) throws IOException
 	{
-		id = Ion.readShort(in);
+		id = in.readIntByte();
 		
 		// if id changed, get new model
 		if (model == null || id != model.id) model = Items.get(id);

src/mightypork/rogue/world/item/ItemModel.java

@@ -1,12 +1,8 @@
 package mightypork.rogue.world.item;
 
 
-import mightypork.rogue.world.map.TileRenderContext;
 import mightypork.util.annotations.DefaultImpl;
-import mightypork.util.constraints.num.proxy.NumBoundAdapter;
-import mightypork.util.constraints.rect.Rect;
 import mightypork.util.constraints.rect.proxy.RectBound;
-import mightypork.util.constraints.rect.proxy.RectBoundAdapter;
 
 
 public abstract class ItemModel {

src/mightypork/rogue/world/map/EntityRenderContext.java

@@ -0,0 +1,14 @@
+package mightypork.rogue.world.map;
+
+
+import mightypork.util.constraints.rect.Rect;
+
+
+public class EntityRenderContext extends MapRenderContext {
+	
+	public EntityRenderContext(MapAccess map, Rect drawArea)
+	{
+		super(map, drawArea);
+	}
+	
+}

src/mightypork/rogue/world/map/Level.java

@@ -2,17 +2,16 @@ package mightypork.rogue.world.map;
 
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 import mightypork.rogue.world.MapObserver;
 import mightypork.rogue.world.WorldPos;
 import mightypork.rogue.world.tile.Tile;
 import mightypork.rogue.world.tile.TileModel;
 import mightypork.rogue.world.tile.Tiles;
-import mightypork.util.files.ion.Ion;
+import mightypork.util.ion.IonBinary;
-import mightypork.util.files.ion.IonConstructor;
+import mightypork.util.ion.IonBundle;
-import mightypork.util.files.ion.Ionizable;
+import mightypork.util.ion.IonInput;
+import mightypork.util.ion.IonOutput;
 import mightypork.util.math.noise.NoiseGen;
 
 
@@ -21,9 +20,9 @@ import mightypork.util.math.noise.NoiseGen;
  * 
  * @author MightyPork
  */
-public class Level implements MapAccess, Ionizable {
+public class Level implements MapAccess, IonBinary {
 	
-	public static final int ION_MARK = 702;
+	public static final int ION_MARK = 52;
 	
 	private int width, height;
 	
@@ -33,10 +32,9 @@ public class Level implements MapAccess, Ionizable {
 	/** Level seed (used for generation and tile variation) */
 	public long seed;
 	
-	private NoiseGen noiseGen;
+	private transient NoiseGen noiseGen;
 	
 	
-	@IonConstructor
 	public Level()
 	{
 	}
@@ -53,8 +51,6 @@ public class Level implements MapAccess, Ionizable {
 	private void buildArray()
 	{
 		this.tiles = new Tile[height][width];
-		
-		fill(Tiles.NULL_EMPTY);
 	}
 	
 	
@@ -131,32 +127,43 @@ public class Level implements MapAccess, Ionizable {
 	
 	
 	@Override
-	public void load(InputStream in) throws IOException
+	public void load(IonInput in) throws IOException
 	{
-		seed = Ion.readLong(in);
+		// metadata
-		width = Ion.readInt(in);
+		final IonBundle ib = in.readBundle();
-		height = Ion.readInt(in);
+		seed = ib.get("seed", 0L);
+		width = ib.get("w", 0);
+		height = ib.get("h", 0);
 		
+		// init array of size
 		buildArray();
 		
+		// load tiles
 		for (int y = 0; y < height; y++) {
 			for (int x = 0; x < width; x++) {
-				tiles[y][x] = new Tile();
+				// no mark
-				tiles[y][x].load(in);
+				final Tile t = new Tile();
+				t.load(in);
+				tiles[y][x] = t;
 			}
 		}
 	}
 	
 	
 	@Override
-	public void save(OutputStream out) throws IOException
+	public void save(IonOutput out) throws IOException
 	{
-		Ion.writeLong(out, seed);
+		// metadata
-		Ion.writeInt(out, width);
+		final IonBundle ib = new IonBundle();
-		Ion.writeInt(out, height);
+		ib.put("seed", seed);
+		ib.put("w", width);
+		ib.put("h", height);
+		out.writeBundle(ib);
 		
+		// tiles (writing this way to save space)
 		for (int y = 0; y < height; y++) {
 			for (int x = 0; x < width; x++) {
+				// no mark to save space
 				tiles[y][x].save(out);
 			}
 		}
@@ -173,7 +180,7 @@ public class Level implements MapAccess, Ionizable {
 	public void update(MapObserver observer, double delta)
 	{
 		final int viewRange = observer.getViewRange();
-		final WorldPos position = observer.getPosition();
+		final WorldPos position = observer.getLogicalPosition();
 		
 		int x1 = position.x - viewRange;
 		int y1 = position.y - viewRange;

src/mightypork/rogue/world/map/MapRenderContext.java

@@ -0,0 +1,33 @@
+package mightypork.rogue.world.map;
+
+
+import mightypork.util.constraints.rect.Rect;
+import mightypork.util.constraints.rect.builders.TiledRect;
+
+
+public abstract class MapRenderContext {
+	
+	protected final MapAccess map;
+	protected final TiledRect tiler;
+	private final Rect mapRect;
+	
+	
+	public MapRenderContext(MapAccess map, Rect drawArea)
+	{
+		this.map = map;
+		this.tiler = drawArea.tiles(map.getWidth(), map.getHeight());
+		this.mapRect = drawArea;
+	}
+	
+	
+	public Rect getRectForTile(int x, int y)
+	{
+		return tiler.tile(x, y);
+	}
+	
+	
+	public Rect getMapRect()
+	{
+		return mapRect;
+	}
+}

src/mightypork/rogue/world/map/TileRenderContext.java

@@ -3,32 +3,27 @@ package mightypork.rogue.world.map;
 
 import mightypork.rogue.world.tile.Tile;
 import mightypork.util.constraints.rect.Rect;
-import mightypork.util.constraints.rect.builders.TiledRect;
 import mightypork.util.constraints.rect.proxy.RectBound;
 import mightypork.util.math.noise.NoiseGen;
 
 
 /**
- * Context for tile rendering. Provides tile rect, surrounding tiles, rendered
+ * Context for tile rendering.
- * tile and random noise values for position-static tile variation.
  * 
  * @author MightyPork
  */
-public final class TileRenderContext implements RectBound {
+public final class TileRenderContext extends MapRenderContext implements RectBound {
 	
-	private final MapAccess map;
+	public int x;
-	private final TiledRect tiler;
+	public int y;
 	private final NoiseGen noise;
 	
-	public int x, y;
-	
 	
 	public TileRenderContext(MapAccess map, Rect drawArea)
 	{
-		this.map = map;
+		super(map, drawArea);
-		this.tiler = drawArea.tiles(map.getWidth(), map.getHeight());
 		
-		this.tiler.setOverlap(0.001); // avoid gaps (rounding error?)	
+		this.tiler.setOverlap(0.01); // avoid gaps (rounding error?)	
 		
 		this.noise = map.getNoiseGen();
 	}
@@ -56,16 +51,6 @@ public final class TileRenderContext implements RectBound {
 	}
 	
 	
-	/**
-	 * Rect of the current tile to draw
-	 */
-	@Override
-	public Rect getRect()
-	{
-		return tiler.tile(x, y);
-	}
-	
-	
 	/**
 	 * @return per-coord noise value 0..1
 	 */
@@ -79,4 +64,14 @@ public final class TileRenderContext implements RectBound {
 	{
 		map.getTile(x, y).render(this);
 	}
+	
+	
+	/**
+	 * Rect of the current tile to draw
+	 */
+	@Override
+	public Rect getRect()
+	{
+		return getRectForTile(x, y);
+	}
 }

src/mightypork/rogue/world/tile/Tile.java

@@ -2,24 +2,21 @@ package mightypork.rogue.world.tile;
 
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.util.Stack;
 
 import mightypork.rogue.world.item.Item;
 import mightypork.rogue.world.map.TileRenderContext;
 import mightypork.util.control.timing.Animator;
 import mightypork.util.control.timing.Updateable;
-import mightypork.util.files.ion.Ion;
+import mightypork.util.ion.IonBinary;
-import mightypork.util.files.ion.IonBundle;
+import mightypork.util.ion.IonBundle;
-import mightypork.util.files.ion.IonConstructor;
+import mightypork.util.ion.IonInput;
-import mightypork.util.files.ion.Ionizable;
+import mightypork.util.ion.IonOutput;
-import mightypork.util.files.ion.Streamable;
 
 
-public final class Tile implements Ionizable, Updateable {
+public final class Tile implements IonBinary, Updateable {
 	
-	public static final short ION_MARK = 700;
+	public static final short ION_MARK = 50;
 	
 	private transient TileModel model;
 	
@@ -50,7 +47,6 @@ public final class Tile implements Ionizable, Updateable {
 	}
 	
 	
-	@IonConstructor
 	public Tile()
 	{
 	}
@@ -60,45 +56,45 @@ public final class Tile implements Ionizable, Updateable {
 	{
 		model.render(context);
 		
-		if (!items.isEmpty()) {
+		if (hasItems()) {
 			getItemRenderer().render(items.peek(), context);
 		}
 	}
 	
 	
 	@Override
-	public void save(OutputStream out) throws IOException
+	public void save(IonOutput out) throws IOException
 	{
-		if (model.isNullTile()) throw new RuntimeException("Cannot save null tile.");
+		out.writeIntByte(id);
 		
-		Ion.writeShort(out, (short) id); // tile ID
+		if (model.hasDroppedItems()) {
-		Ion.writeSequence(out, items); // if empty, writes single END mark
+			out.writeSequence(items);
+		}
 		
-		// models with metadata can save their stuff
 		if (model.hasMetadata()) {
-			IonBundle ib = new IonBundle();
+			final IonBundle ib = new IonBundle();
 			model.saveMetadata(this, ib);
-			Ion.writeObject(out, ib);
+			out.writeBundle(ib);
 		}
 	}
 	
 	
 	@Override
-	public void load(InputStream in) throws IOException
+	public void load(IonInput in) throws IOException
 	{
-		id = Ion.readShort(in);
+		id = in.readIntByte();
 		
-		// check if model is changed (can happen)
+		// check model
 		if (model == null || id != model.id) {
 			model = Tiles.get(id);
 		}
 		
-		Ion.readSequence(in, items); // if END is found, nothing is read.
+		if (model.hasDroppedItems()) {
+			in.readSequence(items);
+		}
 		
-		// load model's stuff
 		if (model.hasMetadata()) {
-			IonBundle ib = (IonBundle) Ion.readObject(in);
+			model.loadMetadata(this, in.readBundle());
-			model.loadMetadata(this, ib);
 		}
 	}
 	
@@ -107,7 +103,7 @@ public final class Tile implements Ionizable, Updateable {
 	public void update(double delta)
 	{
 		model.update(this, delta);
-		if (!items.isEmpty()) {
+		if (hasItems()) {
 			getItemRenderer().update(delta);
 		}
 	}
@@ -131,7 +127,7 @@ public final class Tile implements Ionizable, Updateable {
 	
 	public boolean hasItems()
 	{
-		return !items.isEmpty();
+		return model.hasDroppedItems() && !items.isEmpty();
 	}
 	
 	

src/mightypork/rogue/world/tile/TileModel.java

@@ -3,7 +3,7 @@ package mightypork.rogue.world.tile;
 
 import mightypork.rogue.world.map.TileRenderContext;
 import mightypork.util.annotations.DefaultImpl;
-import mightypork.util.files.ion.IonBundle;
+import mightypork.util.ion.IonBundle;
 
 
 /**
@@ -104,4 +104,13 @@ public abstract class TileModel {
 	 * @return has data
 	 */
 	public abstract boolean hasMetadata();
+	
+	
+	/**
+	 * Check if the tile can hold dropped items. Walls and such can return false
+	 * to save disk space (no need to write empty list).
+	 * 
+	 * @return true
+	 */
+	public abstract boolean hasDroppedItems();
 }

src/mightypork/rogue/world/tile/models/AbstractNullTile.java

@@ -4,7 +4,7 @@ package mightypork.rogue.world.tile.models;
 import mightypork.rogue.world.map.TileRenderContext;
 import mightypork.rogue.world.tile.Tile;
 import mightypork.rogue.world.tile.TileModel;
-import mightypork.util.files.ion.IonBundle;
+import mightypork.util.ion.IonBundle;
 
 
 /**
@@ -59,20 +59,30 @@ public abstract class AbstractNullTile extends TileModel {
 		return inst;
 	}
 	
+	
 	@Override
 	public boolean hasMetadata()
 	{
 		return false;
 	}
 	
+	
 	@Override
 	public void loadMetadata(Tile tile, IonBundle ib)
 	{
 	}
 	
+	
 	@Override
 	public void saveMetadata(Tile tile, IonBundle ib)
 	{
 	}
 	
+	
+	@Override
+	public boolean hasDroppedItems()
+	{
+		return false;
+	}
+	
 }

src/mightypork/rogue/world/tile/models/Floor.java

@@ -20,4 +20,11 @@ public class Floor extends SimpleTile {
 		return true;
 	}
 	
+	
+	@Override
+	public boolean hasDroppedItems()
+	{
+		return true;
+	}
+	
 }

src/mightypork/rogue/world/tile/models/SimpleTile.java

@@ -8,7 +8,7 @@ import mightypork.rogue.world.map.TileRenderContext;
 import mightypork.rogue.world.tile.Tile;
 import mightypork.rogue.world.tile.TileModel;
 import mightypork.util.annotations.DefaultImpl;
-import mightypork.util.files.ion.IonBundle;
+import mightypork.util.ion.IonBundle;
 
 
 /**

src/mightypork/rogue/world/tile/models/Wall.java

@@ -20,4 +20,11 @@ public class Wall extends SimpleTile {
 		return false;
 	}
 	
+	
+	@Override
+	public boolean hasDroppedItems()
+	{
+		return false;
+	}
+	
 }

src/mightypork/test/TestIonArray.java

@@ -1,25 +0,0 @@
-package mightypork.test;
-
-
-import java.io.File;
-import java.io.IOException;
-import java.util.Random;
-
-import mightypork.util.files.ion.Ion;
-
-
-public class TestIonArray {
-	
-	public static void main(String[] args) throws IOException
-	{
-		final byte[] array = new byte[1024 * 8];
-		
-		final Random rand = new Random();
-		
-		for (int i = 0; i < array.length; i++) {
-			array[i] = (byte) rand.nextInt();
-		}
-		
-		Ion.toFile(new File("hello.ion"), array);
-	}
-}

src/mightypork/test/TestIonArray2.java

@@ -1,43 +0,0 @@
-package mightypork.test;
-
-
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import mightypork.util.files.ion.Ion;
-
-
-public class TestIonArray2 {
-	
-	public static void main(String[] args) throws IOException
-	{
-		final int[] array = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 99999, 8888888 };
-		
-		final OutputStream out = new FileOutputStream("fuck.ion");
-		
-		Ion.writeIntArray(out, array);
-		Ion.writeString(out, "HELLO DUDE WHATSUP");
-		Ion.writeCharArray(out, "HERE'S ONE COOL ARRAY!!!".toCharArray());
-		
-		// ---
-		
-		final InputStream in = new FileInputStream("fuck.ion");
-		
-		final int[] a = Ion.readIntArray(in);
-		
-		for (final int i : a)
-			System.out.println(i);
-		
-		final String s = Ion.readString(in);
-		System.out.println(s);
-		
-		final char[] v = Ion.readCharArray(in);
-		
-		for (final int i : v)
-			System.out.print((char) i);
-		
-	}
-}

src/mightypork/test/TestRandomSeed.java

@@ -1,35 +0,0 @@
-package mightypork.test;
-
-
-import java.util.Random;
-
-
-public class TestRandomSeed {
-	
-	public static void main(String[] args)
-	{
-		
-		{
-			final Random rand = new Random();
-			final long begin = System.currentTimeMillis();
-			
-			for (int i = 0; i < 1000000; i++) {
-				rand.setSeed(1000);
-			}
-			
-			System.out.println((System.currentTimeMillis() - begin) / 1000D);
-		}
-		
-		{
-			final long begin = System.currentTimeMillis();
-			
-			for (int i = 0; i < 1000000; i++) {
-				final Random rand = new Random();
-				rand.setSeed(1000);
-			}
-			
-			System.out.println((System.currentTimeMillis() - begin) / 1000D);
-		}
-		
-	}
-}

src/mightypork/test/testworldtofile.java

@@ -1,6 +0,0 @@
-package mightypork.test;
-
-
-public class testworldtofile {
-	
-}

src/mightypork/util/constraints/vect/mutable/VectAnimated.java

@@ -17,7 +17,7 @@ import mightypork.util.math.Easing;
 public class VectAnimated extends VectMutable implements Pauseable, Updateable {
 	
 	private final NumAnimated x, y, z;
-	private double defaultDuration = 0;
+	private double defaultDuration = 0.5;
 	
 	
 	/**
@@ -83,45 +83,30 @@ public class VectAnimated extends VectMutable implements Pauseable, Updateable {
 	@Override
 	public void setX(double x)
 	{
-		this.x.animate(x, defaultDuration);
+		this.x.setTo(x);
 	}
 	
 	
 	@Override
 	public void setY(double y)
 	{
-		this.y.animate(y, defaultDuration);
+		this.y.setTo(y);
 	}
 	
 	
 	@Override
 	public void setZ(double z)
 	{
-		this.z.animate(z, defaultDuration);
+		this.z.setTo(z);
 	}
 	
 	
-	/**
-	 * Add offset with animation
-	 * 
-	 * @param offset added offset
-	 * @param duration animation time (seconds)
-	 */
 	public void add(Vect offset, double duration)
 	{
 		animate(this.add(offset), duration);
 	}
 	
 	
-	/**
-	 * Animate to given coordinates in given amount of time
-	 * 
-	 * @param x
-	 * @param y
-	 * @param z
-	 * @param duration animation time (seconds)
-	 * @return this
-	 */
 	public VectAnimated animate(double x, double y, double z, double duration)
 	{
 		this.x.animate(x, duration);
@@ -131,13 +116,6 @@ public class VectAnimated extends VectMutable implements Pauseable, Updateable {
 	}
 	
 	
-	/**
-	 * Animate to given vec in given amount of time.
-	 * 
-	 * @param target target (only it's current value will be used)
-	 * @param duration animation time (seconds)
-	 * @return this
-	 */
 	public VectAnimated animate(Vect target, double duration)
 	{
 		animate(target.x(), target.y(), target.z(), duration);
@@ -145,6 +123,22 @@ public class VectAnimated extends VectMutable implements Pauseable, Updateable {
 	}
 	
 	
+	public VectAnimated animate(double x, double y, double z)
+	{
+		this.x.animate(x, defaultDuration);
+		this.y.animate(y, defaultDuration);
+		this.z.animate(z, defaultDuration);
+		return this;
+	}
+	
+	
+	public VectAnimated animate(Vect target)
+	{
+		animate(target.x(), target.y(), target.z());
+		return this;
+	}
+	
+	
 	/**
 	 * @return the default duration (seconds)
 	 */

src/mightypork/util/files/ion/IonBundle.java

@@ -1,58 +0,0 @@
-package mightypork.util.files.ion;
-
-
-import mightypork.util.files.ion.templates.StreamableHashMap;
-
-
-/**
- * <p>
- * Data bundle.
- * </p>
- * <p>
- * Storing data in a bundle guarantees that future versions will be compatible
- * with the older format. Reading using default values ensures that you will get
- * some value even if it was not saved in the file.
- * </p>
- * 
- * @author MightyPork
- */
-public class IonBundle extends StreamableHashMap<String, Object> implements Ionizable {
-	
-	/**
-	 * Get an object. If not found, fallback is returned.
-	 * 
-	 * @param key key
-	 * @param fallback fallback
-	 * @return element
-	 */
-	public <T> T get(String key, T fallback)
-	{
-		try {
-			final T itm = (T) super.get(key);
-			if (itm == null) return fallback;
-			return itm;
-		} catch (final ClassCastException e) {
-			return fallback;
-		}
-	}
-	
-	
-	/**
-	 * Store an element. It's allowed to store any object, but only primitive
-	 * types, String, their arrays, and Ionizable objects can be successfully
-	 * stored to stream..
-	 */
-	@Override
-	public Object put(String key, Object value)
-	{
-		return super.put(key, value);
-	}
-	
-	
-	@Override
-	public short getIonMark()
-	{
-		return Ion.DATA_BUNDLE;
-	}
-	
-}

src/mightypork/util/files/ion/IonConstructor.java

@@ -1,31 +0,0 @@
-package mightypork.util.files.ion;
-
-
-import java.lang.annotation.Documented;
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-
-/**
- * <p>
- * Implicit constructor marked like this is intended to be solely used for ION
- * de-serialization.
- * </p>
- * <p>
- * Constructors marked like this should create a functional instance with
- * default values.
- * </p>
- * <p>
- * This is a descriptive annotation and has no other function.
- * </p>
- * 
- * @author MightyPork
- */
-@Retention(RetentionPolicy.SOURCE)
-@Target(ElementType.CONSTRUCTOR)
-@Documented
-public @interface IonConstructor {
-	
-}

src/mightypork/util/files/ion/Ionizable.java

@@ -1,24 +0,0 @@
-package mightypork.util.files.ion;
-
-
-/**
- * <p>
- * Data object that can be reconstructed by Ion based on it's mark. Such object
- * MUST provide an implicit constructor.
- * </p>
- * <p>
- * All {@link Ionizable}s must be registered to {@link Ion}, otherwise they
- * can't be written/loaded using the mark.
- * </p>
- * 
- * @author MightyPork
- */
-public interface Ionizable extends Streamable {
-	
-	/**
-	 * Get Ion mark byte.
-	 * 
-	 * @return Ion mark byte.
-	 */
-	public short getIonMark();
-}

src/mightypork/util/files/ion/Streamable.java

@@ -1,36 +0,0 @@
-package mightypork.util.files.ion;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-
-/**
- * 
- * Saveable to a stream.
- * 
- * 
- * @author MightyPork
- */
-public interface Streamable {
-	
-	/**
-	 * Load data from the input stream. Must be compatible with the
-	 * <code>save</code> method.
-	 * 
-	 * @param in input stream
-	 * @throws IOException
-	 */
-	void load(InputStream in) throws IOException;
-	
-	
-	/**
-	 * Store data to output stream.
-	 * 
-	 * @param out Output stream
-	 * @throws IOException
-	 */
-	void save(OutputStream out) throws IOException;
-	
-}

src/mightypork/util/files/ion/templates/StreamableArrayList.java

@@ -1,28 +0,0 @@
-package mightypork.util.files.ion.templates;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.ArrayList;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.Streamable;
-
-
-public class StreamableArrayList<E> extends ArrayList<E> implements Streamable {
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		Ion.readSequence(in, this);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		Ion.writeSequence(out, this);
-	}
-	
-}

src/mightypork/util/files/ion/templates/StreamableHashMap.java

@@ -1,28 +0,0 @@
-package mightypork.util.files.ion.templates;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.HashMap;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.Streamable;
-
-
-public class StreamableHashMap<K, V> extends HashMap<K, V> implements Streamable {
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		Ion.readMap(in, this);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		Ion.writeMap(out, this);
-	}
-	
-}

src/mightypork/util/files/ion/templates/StreamableHashSet.java

@@ -1,28 +0,0 @@
-package mightypork.util.files.ion.templates;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.HashSet;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.Streamable;
-
-
-public abstract class StreamableHashSet<E> extends HashSet<E> implements Streamable {
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		Ion.readSequence(in, this);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		Ion.writeSequence(out, this);
-	}
-	
-}

src/mightypork/util/files/ion/templates/StreamableLinkedHashMap.java

@@ -1,28 +0,0 @@
-package mightypork.util.files.ion.templates;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.LinkedHashMap;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.Streamable;
-
-
-public class StreamableLinkedHashMap<K, V> extends LinkedHashMap<K, V> implements Streamable {
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		Ion.readMap(in, this);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		Ion.writeMap(out, this);
-	}
-	
-}

src/mightypork/util/files/ion/templates/StreamableLinkedList.java

@@ -1,28 +0,0 @@
-package mightypork.util.files.ion.templates;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.LinkedList;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.Streamable;
-
-
-public class StreamableLinkedList<E> extends LinkedList<E> implements Streamable {
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		Ion.readSequence(in, this);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		Ion.writeSequence(out, this);
-	}
-	
-}

src/mightypork/util/files/ion/templates/StreamableStack.java

@@ -1,28 +0,0 @@
-package mightypork.util.files.ion.templates;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.Stack;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.Streamable;
-
-
-public class StreamableStack<E> extends Stack<E> implements Streamable {
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		Ion.readSequence(in, this);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		Ion.writeSequence(out, this);
-	}
-	
-}

src/mightypork/util/files/ion/templates/StreamableTreeSet.java

@@ -1,28 +0,0 @@
-package mightypork.util.files.ion.templates;
-
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.TreeSet;
-
-import mightypork.util.files.ion.Ion;
-import mightypork.util.files.ion.Streamable;
-
-
-public class StreamableTreeSet<E> extends TreeSet<E> implements Streamable {
-	
-	@Override
-	public void load(InputStream in) throws IOException
-	{
-		Ion.readSequence(in, this);
-	}
-	
-	
-	@Override
-	public void save(OutputStream out) throws IOException
-	{
-		Ion.writeSequence(out, this);
-	}
-	
-}

src/mightypork/util/ion/Ion.java

@@ -0,0 +1,296 @@
+package mightypork.util.ion;
+
+
+import java.io.*;
+
+import mightypork.util.logging.Log;
+
+
+/**
+ * Universal data storage system (main API class)
+ * 
+ * @author MightyPork
+ */
+public class Ion {
+	
+	// marks for object saving
+	/** Null mark */
+	static final int NULL = 0;
+	/** Boolean mark */
+	static final int BOOLEAN = 1;
+	/** Byte mark */
+	static final int BYTE = 2;
+	/** Character mark */
+	static final int CHAR = 3;
+	/** Short mark */
+	static final int SHORT = 4;
+	/** Integer mark */
+	static final int INT = 5;
+	/** Long mark */
+	static final int LONG = 6;
+	/** Float mark */
+	static final int FLOAT = 7;
+	/** Double mark */
+	static final int DOUBLE = 8;
+	/** String mark */
+	static final int STRING = 9;
+	/** Boolean array mark */
+	static final int BOOLEAN_ARRAY = 10;
+	/** Byte array mark */
+	static final int BYTE_ARRAY = 11;
+	/** Character array mark */
+	static final int CHAR_ARRAY = 12;
+	/** Short array mark */
+	static final int SHORT_ARRAY = 13;
+	/** Integer array mark */
+	static final int INT_ARRAY = 14;
+	/** Long array mark */
+	static final int LONG_ARRAY = 15;
+	/** Float array mark */
+	static final int FLOAT_ARRAY = 16;
+	/** Double array mark */
+	static final int DOUBLE_ARRAY = 17;
+	/** String array mark */
+	static final int STRING_ARRAY = 18;
+	/** Entry mark - start of map or sequence entry */
+	static final int ENTRY = 19;
+	/** End mark - end of sequence or map */
+	static final int END = 20;
+	/** Map mark (built-in data structure) */
+	static final int DATA_BUNDLE = 21;
+	/** Sequence wrapper for bundle */
+	static final int SEQUENCE_WRAPPER = 22;
+	/** Map wrapper for bundle */
+	static final int MAP_WRAPPER = 23;
+	
+	// technical 20..39
+	
+	/** Ionizables<Mark, Class> */
+	@SuppressWarnings("rawtypes")
+	private static Class[] registered = new Class[256];
+	
+	private static boolean reservedMarkChecking;
+	
+	static {
+		reservedMarkChecking = false;
+		
+		// register built-ins
+		registerBinary(DATA_BUNDLE, IonBundle.class);
+		registerBinary(SEQUENCE_WRAPPER, IonSequenceWrapper.class);
+		registerBinary(MAP_WRAPPER, IonMapWrapper.class);
+		
+		reservedMarkChecking = true;
+	}
+	
+	
+	/**
+	 * Register new {@link IonBinary} class for writing/loading.
+	 * 
+	 * @param mark mark to be used 50..255, unless internal
+	 * @param objClass class of the registered object
+	 */
+	public static void registerBinary(int mark, Class<? extends IonBinary> objClass)
+	{
+		// negative marks are allowed.
+		if (mark > 255) throw new IllegalArgumentException("Mark must be < 256.");
+		if (mark < 0) throw new IllegalArgumentException("Mark must be positive.");
+		
+		if (reservedMarkChecking && mark < 50) {
+			throw new IllegalArgumentException("Marks 0..49 are reserved.");
+		}
+		
+		if (registered[mark] != null) {
+			throw new IllegalArgumentException("Mark " + mark + " is already in use.");
+		}
+		
+		try {
+			objClass.getConstructor();
+		} catch (NoSuchMethodException | SecurityException e) {
+			throw new IllegalArgumentException("Class " + Log.str(objClass) + " doesn't have an implicit constructor.");
+		}
+		
+		registered[mark] = objClass;
+	}
+	
+	
+	/**
+	 * Load binary from file and cast.
+	 */
+	public static <T extends IonBinary> T fromFile(String path) throws IOException
+	{
+		return fromFile(new File(path));
+	}
+	
+	
+	/**
+	 * Load binary from file and cast.
+	 */
+	public static <T extends IonBinary> T fromFile(File file) throws IOException
+	{
+		try(InputStream in = new FileInputStream(file)) {
+			return fromStream(in);
+		}
+	}
+	
+	
+	/**
+	 * Load bundled from file and unwrap.
+	 */
+	public static <T extends IonBundled> T fromFile(String path, Class<? extends T> objClass) throws IOException
+	{
+		return fromFile(new File(path), objClass);
+	}
+	
+	
+	/**
+	 * Load bundled from file and unwrap.
+	 */
+	public static <T extends IonBundled> T fromFile(File file, Class<? extends T> objClass) throws IOException
+	{
+		try(InputStream in = new FileInputStream(file)) {
+			
+			return fromStream(in, objClass);
+			
+		}
+	}
+	
+	
+	public static void toFile(String path, IonBundled obj) throws IOException
+	{
+		toFile(new File(path), obj);
+	}
+	
+	
+	/**
+	 * Wrap bundled and save to file.
+	 */
+	public static void toFile(File file, IonBundled obj) throws IOException
+	{
+		toFile(file, wrap(obj));
+	}
+	
+	
+	/**
+	 * Write binary to file with mark.
+	 */
+	public static void toFile(String path, IonBinary obj) throws IOException
+	{
+		toFile(new File(path), obj);
+	}
+	
+	
+	/**
+	 * Write binary to file with mark.
+	 */
+	public static void toFile(File file, IonBinary obj) throws IOException
+	{
+		try(OutputStream out = new FileOutputStream(file)) {
+			
+			toStream(out, obj);
+			
+			out.flush();
+			out.close();
+		} catch (final Exception e) {
+			throw new IOException("Error writing to ION file.", e);
+		}
+	}
+	
+	
+	/**
+	 * Load object from stream based on mark, try to cast.
+	 */
+	public static <T> T fromStream(InputStream in) throws IOException
+	{
+		final IonInput inp = new IonInput(in);
+		
+		return (T) inp.readObject();
+	}
+	
+	
+	/**
+	 * Load bundled object from stream, unwrap.
+	 */
+	public static <T extends IonBundled> T fromStream(InputStream in, Class<? extends T> objClass) throws IOException
+	{
+		return unwrap(new IonInput(in).readBundle(), objClass);
+	}
+	
+	
+	/**
+	 * Write object to output with a mark.
+	 */
+	public static void toStream(OutputStream out, IonBinary obj) throws IOException
+	{
+		new IonOutput(out).writeObject(obj);
+	}
+	
+	
+	/**
+	 * Create new bundle and write the object to it.
+	 */
+	public static IonBundle wrap(IonBundled content) throws IOException
+	{
+		final IonBundle ib = new IonBundle();
+		content.save(ib);
+		return ib;
+	}
+	
+	
+	/**
+	 * Try to unwrap an object from bundle. The object class must have implicit
+	 * accessible constructor.
+	 * 
+	 * @param bundle unwrapped bundle
+	 * @param objClass class of desired object
+	 * @return the object unwrapped
+	 * @throws IOException
+	 */
+	public static <T extends IonBundled> T unwrap(IonBundle bundle, Class<? extends T> objClass) throws IOException
+	{
+		try {
+			final T inst = objClass.newInstance();
+			inst.load(bundle);
+			return inst;
+		} catch (InstantiationException | IllegalAccessException e) {
+			throw new IOException("Could not instantiate " + Log.str(objClass) + ".");
+		}
+	}
+	
+	
+	@SuppressWarnings("unchecked")
+	static Class<? extends IonBinary> getClassForMark(int mark)
+	{
+		return registered[mark];
+	}
+	
+	
+	/**
+	 * @return true if the mark is for a registered {@link IonBinary} object
+	 */
+	static boolean isMarkForBinary(int mark)
+	{
+		return registered[mark] != null;
+	}
+	
+	
+	/**
+	 * Make sure object is registered in the table
+	 * 
+	 * @throws IOException if not registered or class mismatch
+	 */
+	static void assertRegistered(IonBinary obj) throws IOException
+	{
+		final int mark = obj.getIonMark();
+		
+		final Class<? extends IonBinary> clz = Ion.getClassForMark(mark);
+		
+		if (clz == null) {
+			throw new IOException("Not registered - mark: " + mark + ", class: " + Log.str(obj.getClass()));
+		}
+		
+		if (clz != obj.getClass()) {
+			throw new IOException("Class mismatch - mark: " + mark + ", class: " + Log.str(obj.getClass()));
+		}
+	}
+	
+}

src/mightypork/util/ion/IonBinary.java

@@ -0,0 +1,39 @@
+package mightypork.util.ion;
+
+
+import java.io.IOException;
+
+
+/**
+ * Binary ion object
+ * 
+ * @author MightyPork
+ */
+public interface IonBinary {
+	
+	/**
+	 * Load data from the input stream.
+	 * 
+	 * @param in input stream
+	 * @throws IOException
+	 */
+	void load(IonInput in) throws IOException;
+	
+	
+	/**
+	 * Store data to output stream (in such way that the load method will later
+	 * be able to read it).
+	 * 
+	 * @param out Output stream
+	 * @throws IOException
+	 */
+	void save(IonOutput out) throws IOException;
+	
+	
+	/**
+	 * Get Ion mark byte.
+	 * 
+	 * @return Ion mark byte.
+	 */
+	public short getIonMark();
+}

src/mightypork/util/ion/IonBundle.java

@@ -0,0 +1,284 @@
+package mightypork.util.ion;
+
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+
+/**
+ * Ion data bundle - simplified Map
+ * 
+ * @author MightyPork
+ */
+public class IonBundle implements IonBinary {
+	
+	private final Map<String, Object> backingMap = new HashMap<>();
+	
+	
+	public void putBundled(String key, IonBundled saved) throws IOException
+	{
+		final IonBundle ib = new IonBundle();
+		saved.save(ib);
+		put(key, ib);
+	}
+	
+	
+	public <T extends IonBundled> T getBundled(String key, Class<T> objClass) throws IOException
+	{
+		return Ion.unwrap(get(key, (IonBundle) null), objClass);
+	}
+	
+	
+	public void loadBundled(String key, IonBundled loaded) throws IOException
+	{
+		IonBundle ib = get(key, null);
+		
+		if (ib == null) ib = new IonBundle();
+		
+		loaded.load(ib);
+	}
+	
+	
+	public <K, V> Map<K, V> getMap(String key)
+	{
+		final Map<K, V> m = new HashMap<>();
+		loadMap(key, m);
+		return m;
+	}
+	
+	
+	public <K, V> void loadMap(String key, Map<K, V> map)
+	{
+		final IonMapWrapper imw = get(key, null);
+		if (imw == null) return;
+		map.clear();
+		imw.fill(map);
+	}
+	
+	
+	public <E> Collection<E> getSequence(String key)
+	{
+		final Collection<E> s = new ArrayList<>();
+		loadSequence(key, s);
+		return s;
+	}
+	
+	
+	public <E> void loadSequence(String key, Collection<E> sequence)
+	{
+		final IonSequenceWrapper isw = get(key, null);
+		if (isw == null) return;
+		sequence.clear();
+		isw.fill(sequence);
+	}
+	
+	
+	/**
+	 * <p>
+	 * Get an object.
+	 * </p>
+	 * <p>
+	 * If not found or of type incompatible with fallback, fallback is returned.
+	 * </p>
+	 * 
+	 * @param key
+	 * @param fallback value
+	 * @return value
+	 */
+	public <T> T get(String key, T fallback)
+	{
+		try {
+			final T itm = (T) backingMap.get(key);
+			if (itm == null) return fallback;
+			return itm;
+		} catch (final ClassCastException e) {
+			return fallback;
+		}
+	}
+	
+	
+	public void put(String key, IonBinary value)
+	{
+		if (key == null || value == null) return;
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, boolean value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, char value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, short value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, int value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, long value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, double value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, float value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, String value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, boolean[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, char[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, short[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, int[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, long[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, double[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, float[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	public void put(String key, String[] value)
+	{
+		backingMap.put(key, value);
+	}
+	
+	
+	@SuppressWarnings("rawtypes")
+	public void putSequence(String key, Collection c)
+	{
+		backingMap.put(key, new IonSequenceWrapper(c));
+	}
+	
+	
+	@SuppressWarnings("rawtypes")
+	public void putMap(String key, Map m)
+	{
+		backingMap.put(key, new IonMapWrapper(m));
+	}
+	
+	
+	@Override
+	public short getIonMark()
+	{
+		return Ion.DATA_BUNDLE;
+	}
+	
+	
+	@Override
+	public void load(IonInput in) throws IOException
+	{
+		in.readMap(backingMap);
+	}
+	
+	
+	@Override
+	public void save(IonOutput out) throws IOException
+	{
+		out.writeMap(backingMap);
+	}
+	
+	
+	public int size()
+	{
+		return backingMap.size();
+	}
+	
+	
+	public boolean isEmpty()
+	{
+		return backingMap.isEmpty();
+	}
+	
+	
+	public void clear()
+	{
+		backingMap.clear();
+	}
+	
+	
+	public Object remove(Object key)
+	{
+		return backingMap.remove(key);
+	}
+	
+	
+	@Override
+	public String toString()
+	{
+		return backingMap.toString();
+	}
+	
+	
+	@Override
+	public boolean equals(Object o)
+	{
+		return backingMap.equals(o);
+	}
+	
+	
+	@Override
+	public int hashCode()
+	{
+		return 47 ^ backingMap.hashCode();
+	}
+}

src/mightypork/util/ion/IonBundled.java

@@ -0,0 +1,18 @@
+package mightypork.util.ion;
+
+
+import java.io.IOException;
+
+
+/**
+ * Bundled ion object
+ * 
+ * @author MightyPork
+ */
+public interface IonBundled {
+	
+	void load(IonBundle bundle) throws IOException;
+	
+	
+	void save(IonBundle bundle) throws IOException;
+}

src/mightypork/util/ion/IonInput.java

@@ -0,0 +1,439 @@
+package mightypork.util.ion;
+
+
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+import mightypork.util.error.CorruptedDataException;
+
+
+/**
+ * Ion input stream
+ * 
+ * @author MightyPork
+ */
+public class IonInput {
+	
+	private final DataInput in;
+	
+	
+	public IonInput(InputStream in)
+	{
+		this.in = new DataInputStream(in);
+	}
+	
+	
+	/**
+	 * Read int 0-255. Suitable when the int was written using
+	 * <code>writeIntByte()</code> method.
+	 * 
+	 * @return int
+	 * @throws IOException
+	 */
+	public int readIntByte() throws IOException
+	{
+		return in.readUnsignedByte();
+	}
+	
+	
+	/**
+	 * Read an int 0-65535. Suitable when the int was written using
+	 * <code>writeIntShort()</code> method.
+	 * 
+	 * @return int
+	 * @throws IOException
+	 */
+	public int readIntShort() throws IOException
+	{
+		return in.readUnsignedShort();
+	}
+	
+	
+	public boolean readBoolean() throws IOException
+	{
+		return in.readBoolean();
+	}
+	
+	
+	public byte readByte() throws IOException
+	{
+		return in.readByte();
+	}
+	
+	
+	public short readShort() throws IOException
+	{
+		return in.readShort();
+	}
+	
+	
+	public char readChar() throws IOException
+	{
+		return in.readChar();
+	}
+	
+	
+	public int readInt() throws IOException
+	{
+		return in.readInt();
+	}
+	
+	
+	public long readLong() throws IOException
+	{
+		return in.readLong();
+	}
+	
+	
+	public float readFloat() throws IOException
+	{
+		return in.readFloat();
+	}
+	
+	
+	public double readDouble() throws IOException
+	{
+		return in.readDouble();
+	}
+	
+	
+	public String readString() throws IOException
+	{
+		return in.readUTF();
+	}
+	
+	
+	public boolean[] readBooleans() throws IOException
+	{
+		final int length = readLength();
+		final boolean[] arr = new boolean[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readBoolean();
+		}
+		return arr;
+	}
+	
+	
+	public byte[] readBytes() throws IOException
+	{
+		final int length = readLength();
+		final byte[] arr = new byte[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readByte();
+		}
+		return arr;
+	}
+	
+	
+	public char[] readChars() throws IOException
+	{
+		final int length = readLength();
+		final char[] arr = new char[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readChar();
+		}
+		return arr;
+	}
+	
+	
+	public short[] readShorts() throws IOException
+	{
+		final int length = readLength();
+		final short[] arr = new short[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readShort();
+		}
+		return arr;
+	}
+	
+	
+	public int[] readInts() throws IOException
+	{
+		final int length = readLength();
+		final int[] arr = new int[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readInt();
+		}
+		return arr;
+	}
+	
+	
+	public long[] readLongs() throws IOException
+	{
+		final int length = readLength();
+		final long[] arr = new long[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readLong();
+		}
+		return arr;
+	}
+	
+	
+	public float[] readFloats() throws IOException
+	{
+		final int length = readLength();
+		final float[] arr = new float[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readFloat();
+		}
+		return arr;
+	}
+	
+	
+	public double[] readDoubles() throws IOException
+	{
+		final int length = readLength();
+		final double[] arr = new double[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readDouble();
+		}
+		return arr;
+	}
+	
+	
+	public String[] readStrings() throws IOException
+	{
+		final int length = readLength();
+		final String[] arr = new String[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = in.readUTF();
+		}
+		return arr;
+	}
+	
+	
+	public Object[] readObjects() throws IOException
+	{
+		final int length = readLength();
+		final Object[] arr = new Object[length];
+		for (int i = 0; i < length; i++) {
+			arr[i] = readObject();
+		}
+		return arr;
+	}
+	
+	
+	public IonBundle readBundle() throws IOException
+	{
+		return (IonBundle) readObject();
+	}
+	
+	
+	private int readMark() throws IOException
+	{
+		return readIntByte();
+	}
+	
+	
+	private int readLength() throws IOException
+	{
+		return readIntShort();
+	}
+	
+	
+	/**
+	 * <p>
+	 * Read object based on mark; if null mark is found, returns default value.
+	 * </p>
+	 * <p>
+	 * If, however, an object of invalid or different type is found, an
+	 * exception will be thrown.
+	 * </p>
+	 * 
+	 * @param def default value.
+	 * @return the loaded object
+	 * @throws IOException
+	 */
+	@SuppressWarnings("unchecked")
+	public <T> T readObject(T def) throws IOException
+	{
+		try {
+			final Object o = readObject();
+			return (T) (o == null ? def : o);
+		} catch (final Exception e) {
+			throw new IOException("Could not load object.", e);
+		}
+	}
+	
+	
+	/**
+	 * Read single object, preceded by a mark.
+	 * 
+	 * @return the loaded object
+	 * @throws IOException
+	 */
+	public Object readObject() throws IOException
+	{
+		final int mark = readMark();
+		if (Ion.isMarkForBinary(mark)) {
+			IonBinary loaded;
+			
+			try {
+				
+				loaded = Ion.getClassForMark(mark).newInstance();
+				
+			} catch (InstantiationException | IllegalAccessException e) {
+				throw new RuntimeException("Couldn not load object with mark: " + mark, e);
+			}
+			
+			loaded.load(this);
+			return loaded;
+		}
+		
+		switch (mark) {
+			case Ion.NULL:
+				return null;
+				
+			case Ion.BOOLEAN:
+				return readBoolean();
+				
+			case Ion.BYTE:
+				return readByte();
+				
+			case Ion.CHAR:
+				return readChar();
+				
+			case Ion.SHORT:
+				return readShort();
+				
+			case Ion.INT:
+				return readInt();
+				
+			case Ion.LONG:
+				return readLong();
+				
+			case Ion.FLOAT:
+				return readFloat();
+				
+			case Ion.DOUBLE:
+				return readDouble();
+				
+			case Ion.STRING:
+				return readString();
+				
+			case Ion.BOOLEAN_ARRAY:
+				return readBooleans();
+				
+			case Ion.BYTE_ARRAY:
+				return readBytes();
+				
+			case Ion.CHAR_ARRAY:
+				return readChars();
+				
+			case Ion.SHORT_ARRAY:
+				return readShorts();
+				
+			case Ion.INT_ARRAY:
+				return readInts();
+				
+			case Ion.LONG_ARRAY:
+				return readLongs();
+				
+			case Ion.FLOAT_ARRAY:
+				return readFloats();
+				
+			case Ion.DOUBLE_ARRAY:
+				return readDoubles();
+				
+			case Ion.STRING_ARRAY:
+				return readStrings();
+				
+			default:
+				throw new CorruptedDataException("Invalid mark: " + mark);
+		}
+	}
+	
+	
+	/**
+	 * Reads mark and returns true if the mark is ENTRY, false if the mark is
+	 * END. Throws an exception otherwise.
+	 * 
+	 * @return mark was ENTRY
+	 * @throws IOException when the mark is neither ENTRY or END.
+	 */
+	public boolean hasNextEntry() throws IOException
+	{
+		final int mark = readMark();
+		if (mark == Ion.ENTRY) return true;
+		if (mark == Ion.END) return false;
+		
+		throw new CorruptedDataException("Unexpected mark in sequence: " + mark);
+	}
+	
+	
+	/**
+	 * Read a sequence of elements into an ArrayList
+	 * 
+	 * @return the collection
+	 * @throws IOException
+	 */
+	public <T> Collection<T> readSequence() throws IOException
+	{
+		return readSequence(new ArrayList<T>());
+	}
+	
+	
+	/**
+	 * Load entries into a collection. The collection is cleaned first.
+	 * 
+	 * @param filled collection to populate
+	 * @return the collection
+	 * @throws IOException
+	 */
+	@SuppressWarnings("unchecked")
+	public <T> Collection<T> readSequence(Collection<T> filled) throws IOException
+	{
+		try {
+			filled.clear();
+			while (hasNextEntry()) {
+				filled.add((T) readObject());
+			}
+			return filled;
+		} catch (final ClassCastException e) {
+			throw new CorruptedDataException("Unexpected element type in sequence.", e);
+		}
+	}
+	
+	
+	/**
+	 * Read element pairs into a HashMap
+	 * 
+	 * @return the map
+	 * @throws IOException
+	 */
+	public <K, V> Map<K, V> readMap() throws IOException
+	{
+		return readMap(new HashMap<K, V>());
+	}
+	
+	
+	/**
+	 * Load data into a map. The map is cleaned first.
+	 * 
+	 * @param filled filled map
+	 * @return the map
+	 * @throws IOException
+	 */
+	@SuppressWarnings("unchecked")
+	public <K, V> Map<K, V> readMap(Map<K, V> filled) throws IOException
+	{
+		try {
+			filled.clear();
+			while (hasNextEntry()) {
+				final K key = (K) readObject();
+				final V value = (V) readObject();
+				
+				filled.put(key, value);
+			}
+			return filled;
+		} catch (final ClassCastException e) {
+			throw new CorruptedDataException("Unexpected element type in map.", e);
+		}
+	}
+}

src/mightypork/util/ion/IonMapWrapper.java

@@ -0,0 +1,55 @@
+package mightypork.util.ion;
+
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+
+@SuppressWarnings({ "rawtypes", "unchecked" })
+public class IonMapWrapper implements IonBinary {
+	
+	private final Map map;
+	
+	
+	public IonMapWrapper()
+	{
+		map = new HashMap();
+	}
+	
+	
+	public IonMapWrapper(Map saved)
+	{
+		map = saved;
+	}
+	
+	
+	@Override
+	public void load(IonInput in) throws IOException
+	{
+		map.clear();
+		in.readMap(map);
+	}
+	
+	
+	@Override
+	public void save(IonOutput out) throws IOException
+	{
+		out.writeMap(map);
+	}
+	
+	
+	public void fill(Map o)
+	{
+		o.clear();
+		o.putAll(map);
+	}
+	
+	
+	@Override
+	public short getIonMark()
+	{
+		return Ion.MAP_WRAPPER;
+	}
+	
+}

src/mightypork/util/ion/IonOutput.java

@@ -0,0 +1,383 @@
+package mightypork.util.ion;
+
+
+import java.io.DataOutput;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import mightypork.util.logging.Log;
+
+
+/**
+ * Ion output stream
+ * 
+ * @author MightyPork
+ */
+public class IonOutput {
+	
+	private final DataOutput out;
+	
+	
+	public IonOutput(OutputStream out)
+	{
+		this.out = new DataOutputStream(out);
+	}
+	
+	
+	public void writeBoolean(boolean a) throws IOException
+	{
+		out.writeBoolean(a);
+	}
+	
+	
+	public void writeByte(int a) throws IOException
+	{
+		out.writeByte(a);
+	}
+	
+	
+	public void writeShort(int a) throws IOException
+	{
+		out.writeShort(a);
+	}
+	
+	
+	public void writeChar(int a) throws IOException
+	{
+		out.writeChar(a);
+	}
+	
+	
+	public void writeInt(int a) throws IOException
+	{
+		out.writeInt(a);
+	}
+	
+	
+	public void writeIntShort(int a) throws IOException
+	{
+		out.writeShort(a);
+	}
+	
+	
+	public void writeIntByte(int a) throws IOException
+	{
+		out.writeByte(a);
+	}
+	
+	
+	public void writeLong(long a) throws IOException
+	{
+		out.writeLong(a);
+	}
+	
+	
+	public void writeFloat(float a) throws IOException
+	{
+		out.writeFloat(a);
+	}
+	
+	
+	public void writeDouble(double a) throws IOException
+	{
+		out.writeDouble(a);
+	}
+	
+	
+	public void writeBytes(String a) throws IOException
+	{
+		out.writeBytes(a);
+	}
+	
+	
+	public void writeString(String a) throws IOException
+	{
+		out.writeUTF(a);
+	}
+	
+	
+	public void writeBooleans(boolean[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final boolean a : arr) {
+			out.writeBoolean(a);
+		}
+	}
+	
+	
+	public void writeBytes(byte[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final byte a : arr) {
+			out.writeByte(a);
+		}
+	}
+	
+	
+	public void writeChars(char[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final char a : arr) {
+			out.writeChar(a);
+		}
+	}
+	
+	
+	public void writeShorts(short[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final short a : arr) {
+			out.writeShort(a);
+		}
+	}
+	
+	
+	public void writeInts(int[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final int a : arr) {
+			out.writeInt(a);
+		}
+	}
+	
+	
+	public void writeLongs(long[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final long a : arr) {
+			out.writeLong(a);
+		}
+	}
+	
+	
+	public void writeFloats(float[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final float a : arr) {
+			out.writeFloat(a);
+		}
+	}
+	
+	
+	public void writeDoubles(double[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final double a : arr) {
+			out.writeDouble(a);
+		}
+	}
+	
+	
+	public void writeStrings(String[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final String a : arr) {
+			out.writeUTF(a);
+		}
+	}
+	
+	
+	public void writeBundle(IonBundle bundle) throws IOException
+	{
+		writeObject(bundle);
+	}
+	
+	
+	/**
+	 * Write array of objects. Supported are Ionizables, primitive types,
+	 * String, and their arrays.
+	 * 
+	 * @param arr array to write
+	 * @throws IOException on IO error or on invalid object type.
+	 */
+	public void writeObjects(Object[] arr) throws IOException
+	{
+		writeLength(arr.length);
+		for (final Object a : arr) {
+			writeObject(a);
+		}
+	}
+	
+	
+	public <T> void writeSequence(Collection<T> sequence) throws IOException
+	{
+		for (final T element : sequence) {
+			writeMark(Ion.ENTRY);
+			writeObject(element);
+		}
+		writeMark(Ion.END);
+	}
+	
+	
+	public <K, V> void writeMap(Map<K, V> map) throws IOException
+	{
+		for (final Entry<K, V> e : map.entrySet()) {
+			if (e.getValue() == null) {
+				continue;
+			}
+			
+			writeMark(Ion.ENTRY);
+			writeObject(e.getKey());
+			writeObject(e.getValue());
+		}
+		writeMark(Ion.END);
+	}
+	
+	
+	private void writeMark(int mark) throws IOException
+	{
+		writeIntByte(mark);
+	}
+	
+	
+	private void writeLength(int length) throws IOException
+	{
+		writeIntShort(length);
+	}
+	
+	
+	/**
+	 * Write an object. Supported are Ionizable, primitive types, String, and
+	 * their arrays.
+	 * 
+	 * @param obj obj to write
+	 * @throws IOException on IO error or invalid object type.
+	 */
+	public void writeObject(Object obj) throws IOException
+	{
+		if (obj == null) {
+			writeMark(Ion.NULL);
+			return;
+		}
+		
+		if (obj instanceof IonBinary) {
+			
+			final IonBinary ionObject = (IonBinary) obj;
+			
+			Ion.assertRegistered(ionObject);
+			
+			writeMark(ionObject.getIonMark());
+			ionObject.save(this);
+			
+			return;
+		}
+		
+		if (obj instanceof IonBundled) {
+			throw new IOException("Bundled objects cannot be written to ION stream directly.");
+		}
+		
+		if (obj instanceof Boolean) {
+			writeMark(Ion.BOOLEAN);
+			writeBoolean((Boolean) obj);
+			return;
+		}
+		
+		if (obj instanceof Byte) {
+			writeMark(Ion.BYTE);
+			writeByte((Byte) obj);
+			return;
+		}
+		
+		if (obj instanceof Character) {
+			writeMark(Ion.CHAR);
+			writeChar((Character) obj);
+			return;
+		}
+		
+		if (obj instanceof Short) {
+			writeMark(Ion.SHORT);
+			writeShort((Short) obj);
+			return;
+		}
+		
+		if (obj instanceof Integer) {
+			writeMark(Ion.INT);
+			writeInt((Integer) obj);
+			return;
+		}
+		
+		if (obj instanceof Long) {
+			writeMark(Ion.LONG);
+			writeLong((Long) obj);
+			return;
+		}
+		
+		if (obj instanceof Float) {
+			writeMark(Ion.FLOAT);
+			writeFloat((Float) obj);
+			return;
+		}
+		
+		if (obj instanceof Double) {
+			writeMark(Ion.DOUBLE);
+			writeDouble((Double) obj);
+			return;
+		}
+		
+		if (obj instanceof String) {
+			writeMark(Ion.STRING);
+			writeString((String) obj);
+			return;
+		}
+		
+		if (obj instanceof boolean[]) {
+			writeMark(Ion.BOOLEAN_ARRAY);
+			writeBooleans((boolean[]) obj);
+			return;
+		}
+		
+		if (obj instanceof byte[]) {
+			writeMark(Ion.BYTE_ARRAY);
+			writeBytes((byte[]) obj);
+			return;
+		}
+		
+		if (obj instanceof char[]) {
+			writeMark(Ion.CHAR_ARRAY);
+			writeChars((char[]) obj);
+			return;
+		}
+		
+		if (obj instanceof short[]) {
+			writeMark(Ion.SHORT_ARRAY);
+			writeShorts((short[]) obj);
+			return;
+		}
+		
+		if (obj instanceof int[]) {
+			writeMark(Ion.INT_ARRAY);
+			writeInts((int[]) obj);
+			return;
+		}
+		
+		if (obj instanceof long[]) {
+			writeMark(Ion.LONG_ARRAY);
+			writeLongs((long[]) obj);
+			return;
+		}
+		
+		if (obj instanceof float[]) {
+			writeMark(Ion.FLOAT_ARRAY);
+			writeFloats((float[]) obj);
+			return;
+		}
+		
+		if (obj instanceof double[]) {
+			writeMark(Ion.DOUBLE_ARRAY);
+			writeDoubles((double[]) obj);
+			return;
+		}
+		
+		if (obj instanceof String[]) {
+			writeMark(Ion.STRING_ARRAY);
+			writeStrings((String[]) obj);
+			return;
+		}
+		
+		throw new IOException("Object " + Log.str(obj) + " could not be be written to stream.");
+	}
+}

src/mightypork/util/ion/IonSequenceWrapper.java

@@ -0,0 +1,55 @@
+package mightypork.util.ion;
+
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+
+
+@SuppressWarnings({ "rawtypes", "unchecked" })
+public class IonSequenceWrapper implements IonBinary {
+	
+	private Collection collection = new ArrayList();
+	
+	
+	public IonSequenceWrapper()
+	{
+		collection = new ArrayList();
+	}
+	
+	
+	public IonSequenceWrapper(Collection saved)
+	{
+		collection = saved;
+	}
+	
+	
+	@Override
+	public void load(IonInput in) throws IOException
+	{
+		collection.clear();
+		in.readSequence(collection);
+	}
+	
+	
+	@Override
+	public void save(IonOutput out) throws IOException
+	{
+		out.writeSequence(collection);
+	}
+	
+	
+	public void fill(Collection o)
+	{
+		o.clear();
+		o.addAll(collection);
+	}
+	
+	
+	@Override
+	public short getIonMark()
+	{
+		return Ion.SEQUENCE_WRAPPER;
+	}
+	
+}