diff --git a/src/mightypork/rogue/App.java b/src/mightypork/rogue/App.java
index 2011cd7..67b0300 100644
--- a/src/mightypork/rogue/App.java
+++ b/src/mightypork/rogue/App.java
@@ -22,7 +22,7 @@ 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.Player;
+import mightypork.rogue.world.PlayerEntity;
 import mightypork.rogue.world.item.Item;
 import mightypork.rogue.world.map.Level;
 import mightypork.rogue.world.tile.Tile;
@@ -110,7 +110,7 @@ public final class App extends BaseApp {
 		Ion.registerBinary(Tile.ION_MARK, Tile.class);
 		Ion.registerBinary(Item.ION_MARK, Item.class);
 		Ion.registerBinary(Level.ION_MARK, Level.class);
-		Ion.registerBinary(Level.ION_MARK, Player.class);
+		Ion.registerBinary(Level.ION_MARK, PlayerEntity.class);
 	}
 	
 	
diff --git a/src/mightypork/rogue/world/WorldClient.java b/src/mightypork/rogue/world/ClientWorld.java
similarity index 85%
rename from src/mightypork/rogue/world/WorldClient.java
rename to src/mightypork/rogue/world/ClientWorld.java
index e63db14..4b48952 100644
--- a/src/mightypork/rogue/world/WorldClient.java
+++ b/src/mightypork/rogue/world/ClientWorld.java
@@ -10,11 +10,11 @@ import mightypork.util.constraints.vect.VectConst;
 import mightypork.util.control.timing.Updateable;
 
 
-public class WorldClient implements Updateable {
+public class ClientWorld implements Updateable, WorldAccess {
 	
 	private Level level = null;
 	
-	private final Player player = null;
+	private final PlayerEntity player = null;
 		
 	
 	@Override
@@ -50,8 +50,8 @@ public class WorldClient implements 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 double playerX = player.getPosition().getXVisual();
-		final double playerY = player.getPosition().getYVisual();
+		final double playerX = player.getPosition().getVisualX();
+		final double playerY = player.getPosition().getVisualY();
 		
 		// total map area
 		//@formatter:off
@@ -63,9 +63,6 @@ public class WorldClient implements Updateable {
 		).freeze();
 		//@formatter:on
 		
-		System.out.println(playerX + "," + playerY + " : " + mapRect);
-		System.out.println(level.getWidth() + "," + level.getHeight());
-		
 		// tiles to render
 		final int x1 = (int) Math.floor(playerX - (vpW / tileSize));
 		final int y1 = (int) Math.floor(playerY - (vpH / tileSize));
@@ -81,9 +78,17 @@ public class WorldClient implements Updateable {
 	}
 	
 	
-	public Player getPlayer()
+	public PlayerEntity getPlayer()
 	{
 		return player;
 	}
+
+
+	@Override
+	public boolean isServer()
+	{
+		// TODO Auto-generated method stub
+		return false;
+	}
 	
 }
diff --git a/src/mightypork/rogue/world/MapGenerator.java b/src/mightypork/rogue/world/MapGenerator.java
index 0c3efa0..bd69cdd 100644
--- a/src/mightypork/rogue/world/MapGenerator.java
+++ b/src/mightypork/rogue/world/MapGenerator.java
@@ -13,19 +13,19 @@ public class MapGenerator {
 	public static final Random rand = new Random();
 	
 	
-	public static WorldServer createWorld(long seed)
+	public static ServerWorld createWorld(long seed)
 	{
 		synchronized (rand) {
 			rand.setSeed(seed);
 			
-			final WorldServer w = new WorldServer();
+			final ServerWorld w = new ServerWorld();
 			w.setSeed(seed);
 			
 			w.addLevel(createLevel(rand.nextLong(), Tiles.CRYSTAL_FLOOR, Tiles.CRYSTAL_WALL));
 			w.addLevel(createLevel(rand.nextLong(), Tiles.BRCOBBLE_FLOOR, Tiles.BRCOBBLE_WALL));
 			
 			// TODO place on start position
-			w.addPlayer("local", new Player(10, 10, 0));			
+			w.addPlayer("local", new PlayerEntity(10, 10, 0));			
 			return w;
 		}
 	}
diff --git a/src/mightypork/rogue/world/MapObserver.java b/src/mightypork/rogue/world/MapObserver.java
deleted file mode 100644
index a6b13a7..0000000
--- a/src/mightypork/rogue/world/MapObserver.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package mightypork.rogue.world;
-
-
-/**
- * Player observing a map represented by an observer.
- * 
- * @author MightyPork
- */
-public interface MapObserver extends WorldEntity {
-	
-	/**
-	 * @return observed range (in tiles)
-	 */
-	public int getViewRange();
-	
-}
diff --git a/src/mightypork/rogue/world/PathStep.java b/src/mightypork/rogue/world/PathStep.java
new file mode 100644
index 0000000..ae57b61
--- /dev/null
+++ b/src/mightypork/rogue/world/PathStep.java
@@ -0,0 +1,49 @@
+package mightypork.rogue.world;
+
+
+import java.io.IOException;
+
+import mightypork.util.ion.IonBinary;
+import mightypork.util.ion.IonInput;
+import mightypork.util.ion.IonOutput;
+
+
+public class PathStep implements IonBinary {
+	
+	public static final int ION_MARK = 0;
+	
+	public int x;
+	public int y;
+	
+	
+	public PathStep(int x, int y) {
+		this.x = x < 1 ? -1 : x > 0 ? 1 : 0;
+		this.y = y < 1 ? -1 : y > 0 ? 1 : 0;
+		
+		y = (int) Math.signum(x);
+	}
+	
+	
+	@Override
+	public void load(IonInput in) throws IOException
+	{
+		x = in.readByte();
+		y = in.readByte();
+	}
+	
+	
+	@Override
+	public void save(IonOutput out) throws IOException
+	{
+		out.writeByte(x);
+		out.writeByte(y);
+	}
+	
+	
+	@Override
+	public short getIonMark()
+	{
+		return ION_MARK;
+	}
+	
+}
diff --git a/src/mightypork/rogue/world/Player.java b/src/mightypork/rogue/world/Player.java
deleted file mode 100644
index d7a1bc6..0000000
--- a/src/mightypork/rogue/world/Player.java
+++ /dev/null
@@ -1,140 +0,0 @@
-package mightypork.rogue.world;
-
-
-import java.io.IOException;
-
-import mightypork.util.ion.IonBinary;
-import mightypork.util.ion.IonBundle;
-import mightypork.util.ion.IonInput;
-import mightypork.util.ion.IonOutput;
-
-
-/**
- * Player info
- * 
- * @author MightyPork
- */
-public class Player implements IonBinary, MapObserver {
-	
-	public static final short ION_MARK = 0;
-	
-	private final double walktime = 0.3; // possibly make changeable for speed potion
-	
-	private final WorldPos position = new WorldPos();
-	private final WorldPos target = new WorldPos();
-	private Runnable moveListenerCustom;
-	private Runnable moveListener = new Runnable() {
-		
-		@Override
-		public void run()
-		{
-			if (moveListenerCustom != null) moveListenerCustom.run();
-			
-			if (!target.equals(position)) {
-				
-				int x = (target.x - position.x);
-				int y = (target.y - position.y);
-				
-				if (Math.abs(x) >= Math.abs(y)) y = 0;
-				if (Math.abs(y) > Math.abs(x)) x = 0;
-				
-				if (x > 0) x = 1;
-				if (x < 0) x = -1;
-				
-				if (y > 0) y = 1;
-				if (y < 0) y = -1;
-				
-				position.walk(x, y, walktime);
-				
-			}
-		}
-	};
-	
-	
-	public Player()
-	{
-		position.setMoveListener(moveListener);
-	}
-	
-	
-	public Player(int x, int y, int floor)
-	{
-		position.setTo(x, y, floor);
-		target.setTo(position);
-	}
-	
-	
-	public Player(WorldPos pos)
-	{
-		this(pos.x, pos.y, pos.floor);
-	}
-	
-	
-	@Override
-	public void load(IonInput in) throws IOException
-	{
-		IonBundle ib = in.readBundle();
-		ib.loadBundled("pos", position);
-	}
-	
-	
-	@Override
-	public void save(IonOutput out) throws IOException
-	{
-		IonBundle ib = new IonBundle();
-		ib.putBundled("target", target);
-		out.writeBundle(ib);
-	}
-	
-	
-	@Override
-	public short getIonMark()
-	{
-		return ION_MARK;
-	}
-	
-	
-	@Override
-	public WorldPos getPosition()
-	{
-		return position;
-	}
-	
-	
-	@Override
-	public int getViewRange()
-	{
-		return 15;
-	}
-	
-	
-	public void teleport(WorldPos pos)
-	{
-		position.setTo(pos);
-		target.setTo(pos);
-	}
-	
-	
-	public void walk(int offsetX, int offsetY)
-	{
-		target.setTo(position.x + offsetX, position.y + offsetY, this.position.floor);
-	}
-	
-	
-	public void setMoveListener(Runnable r)
-	{
-		this.moveListenerCustom = r;
-	}
-	
-	
-	public void updateVisual(double delta)
-	{
-		position.update(delta);
-	}
-	
-	
-	public void updateLogic(double delta)
-	{
-		// server stuffs (sleep timer etc)
-	}
-}
diff --git a/src/mightypork/rogue/world/PlayerEntity.java b/src/mightypork/rogue/world/PlayerEntity.java
new file mode 100644
index 0000000..f34f348
--- /dev/null
+++ b/src/mightypork/rogue/world/PlayerEntity.java
@@ -0,0 +1,83 @@
+package mightypork.rogue.world;
+
+
+import java.io.IOException;
+
+import mightypork.rogue.world.map.MapObserver;
+import mightypork.util.ion.IonBundle;
+
+
+/**
+ * Player info
+ * 
+ * @author MightyPork
+ */
+public class PlayerEntity extends WorldEntity implements MapObserver {
+	
+	public static final double PLAYER_STEP_TIME = 0.3;
+	
+	public boolean connected = false;
+	
+	
+	public PlayerEntity() {
+		super();
+	}
+	
+	
+	public PlayerEntity(ServerWorld world, int x, int y, int floor) {
+		super(world, new WorldPos(x, y, floor));
+	}
+	
+	
+	@Override
+	public void load(IonBundle bundle) throws IOException
+	{
+		super.load(bundle);
+	}
+	
+	
+	@Override
+	public void save(IonBundle bundle) throws IOException
+	{
+		super.save(bundle);
+	}
+	
+	
+	@Override
+	public int getViewRange()
+	{
+		return 15;
+	}
+	
+	
+	@Override
+	protected double getStepTime()
+	{
+		return PLAYER_STEP_TIME;
+	}
+	
+	
+	public boolean isConnected()
+	{
+		return connected;
+	}
+	
+	
+	public void setConnected(boolean connected)
+	{
+		this.connected = connected;
+	}
+
+
+	@Override
+	public WorldPos getViewPosition()
+	{
+		return getPosition();
+	}
+	
+	@Override
+	public boolean isPhysical()
+	{
+		return isConnected();
+	}
+}
diff --git a/src/mightypork/rogue/world/WorldServer.java b/src/mightypork/rogue/world/ServerWorld.java
similarity index 66%
rename from src/mightypork/rogue/world/WorldServer.java
rename to src/mightypork/rogue/world/ServerWorld.java
index 9d9fa66..341e7cb 100644
--- a/src/mightypork/rogue/world/WorldServer.java
+++ b/src/mightypork/rogue/world/ServerWorld.java
@@ -12,24 +12,28 @@ import mightypork.util.ion.IonBundled;
 
 
 /**
- * World server. To a server, all players and levels are equal.
+ * World on a server. To a server, all players and levels are equal.
  * 
  * @author MightyPork
  */
-public class WorldServer implements IonBundled, Updateable {
+public class ServerWorld implements IonBundled, Updateable, WorldAccess {
 	
 	private final ArrayList<Level> levels = new ArrayList<>();
 	
-	private final Map<String, Player> players = new HashMap<>();
+	private final Map<String, PlayerEntity> players = new HashMap<>();
 	
 	/** This seed can be used to re-create identical world. */
 	private long seed;
+
+	/** Next spawned entity ID */
+	private long eid;
 	
 	
 	@Override
 	public void load(IonBundle in) throws IOException
 	{
 		seed = in.get("seed", 0L);
+		eid = in.get("eid", 0L);
 		in.loadSequence("levels", levels);
 		in.loadMap("players", players);
 	}
@@ -39,6 +43,7 @@ public class WorldServer implements IonBundled, Updateable {
 	public void save(IonBundle out) throws IOException
 	{
 		out.put("seed", seed);
+		out.put("eid", eid);
 		out.putSequence("levels", levels);
 		out.putMap("players", players);
 	}
@@ -49,7 +54,7 @@ public class WorldServer implements IonBundled, Updateable {
 		levels.add(level);
 	}
 	
-	public void addPlayer(String name, Player player)
+	public void addPlayer(String name, PlayerEntity player)
 	{
 		players.put(name, player);
 	}
@@ -63,16 +68,16 @@ public class WorldServer implements IonBundled, Updateable {
 	public void update(double delta)
 	{
 		// food meters and such
-		for (final Player pl : players.values()) {
-			pl.updateLogic(delta);
+		for (final PlayerEntity pl : players.values()) {
+			if(pl.isConnected()) pl.updateLogic(this, delta);
 		}
 		
 		for (int level = 0; level < levels.size(); level++) {
 			
 			// more than 1 player can be on floor, update for all of them
-			for (final Player pl : players.values()) {
+			for (final PlayerEntity pl : players.values()) {
 				if (pl.getPosition().floor == level) {
-					levels.get(level).updateLogic(pl, delta);
+					levels.get(level).updateLogic(this, pl, delta);
 				}
 			}
 			
@@ -90,4 +95,16 @@ public class WorldServer implements IonBundled, Updateable {
 	{
 		return seed;
 	}
+
+
+	public long genEid()
+	{
+		return eid++;
+	}
+	
+	@Override
+	public boolean isServer()
+	{
+		return true;
+	}
 }
diff --git a/src/mightypork/rogue/world/WorldAccess.java b/src/mightypork/rogue/world/WorldAccess.java
index a34edbc..81d1192 100644
--- a/src/mightypork/rogue/world/WorldAccess.java
+++ b/src/mightypork/rogue/world/WorldAccess.java
@@ -3,4 +3,6 @@ package mightypork.rogue.world;
 
 public interface WorldAccess {
 	
+	public boolean isServer();
+	
 }
diff --git a/src/mightypork/rogue/world/WorldEntity.java b/src/mightypork/rogue/world/WorldEntity.java
index 13b1c99..d25c73e 100644
--- a/src/mightypork/rogue/world/WorldEntity.java
+++ b/src/mightypork/rogue/world/WorldEntity.java
@@ -1,10 +1,143 @@
 package mightypork.rogue.world;
 
 
-import mightypork.util.constraints.vect.Vect;
+import java.io.IOException;
+import java.util.LinkedList;
+import java.util.Queue;
 
+import mightypork.util.ion.IonBundle;
+import mightypork.util.ion.IonBundled;
 
-public interface WorldEntity {
+
+public abstract class WorldEntity implements IonBundled {
+	
+	private final WorldPos position = new WorldPos();
+	private Runnable moveEndListener, pathEndListener;
+	
+	private long serial_id = 0L;
+	
+	private final Queue<PathStep> path = new LinkedList<>();
+	
+	
+	public WorldEntity(ServerWorld world, WorldPos pos) {
+		this.serial_id = world.genEid();
+		this.position.setTo(pos);
+	}
+	
+	
+	public WorldEntity() {
+		// for ion
+	}
+	
+	
+	@Override
+	public void save(IonBundle bundle) throws IOException
+	{
+		bundle.putBundled("pos", position);
+		bundle.putSequence("steps", path);
+		bundle.put("eid", serial_id);
+	}
+	
+	
+	@Override
+	public void load(IonBundle bundle) throws IOException
+	{
+		bundle.loadBundled("pos", position);
+		bundle.loadSequence("path", path);
+		serial_id = bundle.get("eid", 0L);
+	}
+	
+	
+	public void setMoveEndListener(Runnable moveEndListener)
+	{
+		this.moveEndListener = moveEndListener;
+	}
+	
+	
+	public void setPathEndListener(Runnable pathEndListener)
+	{
+		this.pathEndListener = pathEndListener;
+	}
+	
+	
+	public WorldPos getPosition()
+	{
+		return position;
+	}
+	
+	
+	public void setPosition(WorldPos pos)
+	{
+		position.setTo(pos);
+	}
+	
+	
+	public void setPosition(int x, int y, int floor)
+	{
+		position.setTo(x, y, floor);
+		cancelPath(); // discard remaining steps
+	}
+	
+	
+	/**
+	 * @param world the world
+	 * @param delta delta time
+	 */
+	public void updateLogic(WorldAccess world, double delta)
+	{
+		if(!isPhysical()) return;
+		
+		if (!position.isFinished()) {
+			position.update(delta);
+		}
+		
+		if (position.isFinished()) {
+			
+			if (moveEndListener != null) moveEndListener.run();
+			
+			if (!path.isEmpty()) {
+				// get next step to walk
+				PathStep step = path.poll();
+				position.walk(step.x, step.y, getStepTime());
+			} else {
+				// notify AI or whatever
+				if (pathEndListener != null) pathEndListener.run();
+			}
+		}
+	}
+	
+	
+	/**
+	 * @param world the world
+	 * @param delta delta time
+	 */
+	public void updateVisual(WorldAccess world, double delta)
+	{
+	}
+	
+	
+	public boolean isPathFinished()
+	{
+		return position.isFinished() && path.isEmpty();
+	}
+	
+	
+	public void addStep(PathStep step)
+	{
+		path.add(step);
+	}
+	
+	
+	public void cancelPath()
+	{
+		path.clear();
+	}
+	
+	
+	protected abstract double getStepTime();
+	
+	public boolean isPhysical() {
+		return true;
+	}
 	
-	WorldPos getPosition();
 }
diff --git a/src/mightypork/rogue/world/WorldPos.java b/src/mightypork/rogue/world/WorldPos.java
index fc36fe3..7a78fb2 100644
--- a/src/mightypork/rogue/world/WorldPos.java
+++ b/src/mightypork/rogue/world/WorldPos.java
@@ -20,11 +20,9 @@ public class WorldPos implements IonBundled, Updateable {
 	
 	public int x, y, floor;
 	private final VectAnimated walkOffset = new VectAnimated(Vect.ZERO, Easing.LINEAR);
-	private Runnable moveListener;
 	
 	
-	public WorldPos(int x, int y, int floor)
-	{
+	public WorldPos(int x, int y, int floor) {
 		super();
 		this.x = x;
 		this.y = y;
@@ -32,8 +30,13 @@ public class WorldPos implements IonBundled, Updateable {
 	}
 	
 	
-	public WorldPos()
+	public WorldPos() {
+	}
+	
+	
+	public double getProgress()
 	{
+		return walkOffset.getProgress();
 	}
 	
 	
@@ -74,13 +77,13 @@ public class WorldPos implements IonBundled, Updateable {
 	}
 	
 	
-	public double getXVisual()
+	public double getVisualX()
 	{
 		return x + walkOffset.x();
 	}
 	
 	
-	public double getYVisual()
+	public double getVisualY()
 	{
 		return y + walkOffset.y();
 	}
@@ -135,12 +138,6 @@ public class WorldPos implements IonBundled, Updateable {
 	}
 	
 	
-	public void add(int x, int y)
-	{
-		setTo(this.x + x, this.y + y);
-	}
-	
-	
 	public void walk(int x, int y, double secs)
 	{
 		setTo(this.x + x, this.y + y);
@@ -152,17 +149,13 @@ public class WorldPos implements IonBundled, Updateable {
 	@Override
 	public void update(double delta)
 	{
-		if (!walkOffset.isFinished()) {
-			walkOffset.update(delta);
-		}
-		
-		if (walkOffset.isFinished()) moveListener.run();
+		walkOffset.update(delta);
 	}
 	
 	
-	public void setMoveListener(Runnable listener)
+	public boolean isFinished()
 	{
-		this.moveListener = listener;
+		return walkOffset.isFinished();
 	}
 	
 }
diff --git a/src/mightypork/rogue/world/map/Level.java b/src/mightypork/rogue/world/map/Level.java
index d24bf48..2e2ee04 100644
--- a/src/mightypork/rogue/world/map/Level.java
+++ b/src/mightypork/rogue/world/map/Level.java
@@ -2,9 +2,12 @@ package mightypork.rogue.world.map;
 
 
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 
-import mightypork.rogue.world.MapObserver;
-import mightypork.rogue.world.Player;
+import mightypork.rogue.world.PlayerEntity;
+import mightypork.rogue.world.WorldAccess;
+import mightypork.rogue.world.WorldEntity;
 import mightypork.rogue.world.WorldPos;
 import mightypork.rogue.world.tile.Tile;
 import mightypork.rogue.world.tile.TileModel;
@@ -30,19 +33,19 @@ public class Level implements MapAccess, IonBinary {
 	/** Array of tiles [y][x] */
 	private Tile[][] tiles;
 	
+	private final List<WorldEntity> entities = new ArrayList<>();
+	
 	/** Level seed (used for generation and tile variation) */
 	public long seed;
 	
 	private transient NoiseGen noiseGen;
 	
 	
-	public Level()
-	{
+	public Level() {
 	}
 	
 	
-	public Level(int width, int height)
-	{
+	public Level(int width, int height) {
 		this.width = width;
 		this.height = height;
 		buildArray();
@@ -136,6 +139,8 @@ public class Level implements MapAccess, IonBinary {
 		width = ib.get("w", 0);
 		height = ib.get("h", 0);
 		
+		ib.loadSequence("entities", entities);
+		
 		// init array of size
 		buildArray();
 		
@@ -159,6 +164,7 @@ public class Level implements MapAccess, IonBinary {
 		ib.put("seed", seed);
 		ib.put("w", width);
 		ib.put("h", height);
+		ib.putSequence("entities", entities);
 		out.writeBundle(ib);
 		
 		// tiles (writing this way to save space)
@@ -178,25 +184,25 @@ public class Level implements MapAccess, IonBinary {
 	}
 	
 	
-	public void updateLogic(MapObserver observer, double delta)
+	public void updateLogic(WorldAccess world, MapObserver observer, double delta)
 	{
-		updateForObserver(observer, delta, true, false);
+		updateForObserver(world, observer, delta, true, false);
 	}
 	
 	
-	public void updateVisual(Player player, double delta)
+	public void updateVisual(WorldAccess world, PlayerEntity player, double delta)
 	{
-		updateForObserver(player, delta, false, true);
+		updateForObserver(world, player, delta, false, true);
 	}
 	
 	
-	private void updateForObserver(MapObserver observer, double delta, boolean logic, boolean visual)
+	private void updateForObserver(WorldAccess world, MapObserver observer, double delta, boolean logic, boolean visual)
 	{
 		final int viewRange = observer.getViewRange();
-		final WorldPos position = observer.getPosition();
+		final WorldPos eyepos = observer.getViewPosition();
 		
-		int x1 = position.x - viewRange;
-		int y1 = position.y - viewRange;
+		int x1 = eyepos.x - viewRange;
+		int y1 = eyepos.y - viewRange;
 		
 		int x2 = x1 + viewRange * 2;
 		int y2 = y1 + viewRange * 2;
@@ -208,8 +214,8 @@ public class Level implements MapAccess, IonBinary {
 		
 		for (int y = y1; y <= y2; y++) {
 			for (int x = x1; x <= x2; x++) {
-				if (logic) getTile(x, y).updateLogic(delta);
-				if (visual) getTile(x, y).updateVisual(delta);
+				if (logic) getTile(x, y).updateLogic(world, delta);
+				if (visual) getTile(x, y).updateVisual(world, delta);
 			}
 		}
 	}
diff --git a/src/mightypork/rogue/world/map/MapObserver.java b/src/mightypork/rogue/world/map/MapObserver.java
new file mode 100644
index 0000000..8c41375
--- /dev/null
+++ b/src/mightypork/rogue/world/map/MapObserver.java
@@ -0,0 +1,13 @@
+package mightypork.rogue.world.map;
+
+
+import mightypork.rogue.world.WorldPos;
+
+
+public interface MapObserver {
+	
+	int getViewRange();
+	
+	
+	WorldPos getViewPosition();
+}
diff --git a/src/mightypork/rogue/world/tile/Tile.java b/src/mightypork/rogue/world/tile/Tile.java
index 6eb2a7b..0a6a1cb 100644
--- a/src/mightypork/rogue/world/tile/Tile.java
+++ b/src/mightypork/rogue/world/tile/Tile.java
@@ -4,10 +4,10 @@ package mightypork.rogue.world.tile;
 import java.io.IOException;
 import java.util.Stack;
 
+import mightypork.rogue.world.WorldAccess;
 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.ion.IonBinary;
 import mightypork.util.ion.IonBundle;
 import mightypork.util.ion.IonInput;
@@ -99,14 +99,14 @@ public final class Tile implements IonBinary {
 	}
 	
 	
-	public void updateLogic(double delta)
+	public void updateLogic(WorldAccess world, double delta)
 	{
-		model.updateLogic(this, delta);
+		model.updateLogic(this, world, delta);
 	}
 
-	public void updateVisual(double delta)
+	public void updateVisual(WorldAccess world, double delta)
 	{
-		model.updateVisual(this, delta);
+		model.updateVisual(this, world,  delta);
 		if (hasItems()) {
 			getItemRenderer().updateVisual(delta);
 		}
diff --git a/src/mightypork/rogue/world/tile/TileModel.java b/src/mightypork/rogue/world/tile/TileModel.java
index 7f8f6cb..1169a72 100644
--- a/src/mightypork/rogue/world/tile/TileModel.java
+++ b/src/mightypork/rogue/world/tile/TileModel.java
@@ -1,6 +1,7 @@
 package mightypork.rogue.world.tile;
 
 
+import mightypork.rogue.world.WorldAccess;
 import mightypork.rogue.world.map.TileRenderContext;
 import mightypork.util.annotations.DefaultImpl;
 import mightypork.util.ion.IonBundle;
@@ -17,8 +18,7 @@ public abstract class TileModel {
 	public final int id;
 	
 	
-	public TileModel(int id)
-	{
+	public TileModel(int id) {
 		Tiles.register(id, this);
 		this.id = id;
 	}
@@ -73,18 +73,20 @@ public abstract class TileModel {
 	 * Update tile state etc
 	 * 
 	 * @param tile tile
+	 * @param world
 	 * @param delta delta time
 	 */
-	public abstract void updateLogic(Tile tile, double delta);
+	public abstract void updateLogic(Tile tile, WorldAccess world, double delta);
 	
 	
 	/**
 	 * Update tile effects
 	 * 
 	 * @param tile tile
+	 * @param world
 	 * @param delta delta time
 	 */
-	public abstract void updateVisual(Tile tile, double delta);
+	public abstract void updateVisual(Tile tile, WorldAccess world, double delta);
 	
 	
 	/**