diff --git a/res/img/dudes-b.png b/res/img/dudes-b.png
new file mode 100644
index 0000000..bba1327
Binary files /dev/null and b/res/img/dudes-b.png differ
diff --git a/res/img/dudes.xcf b/res/img/dudes.xcf
index 192a433..2d002cb 100644
Binary files a/res/img/dudes.xcf and b/res/img/dudes.xcf differ
diff --git a/res/img/tiles16.png b/res/img/tiles16.png
index 3336623..f5870ab 100644
Binary files a/res/img/tiles16.png and b/res/img/tiles16.png differ
diff --git a/res/img/tiles16.xcf b/res/img/tiles16.xcf
index ffde20a..5715161 100644
Binary files a/res/img/tiles16.xcf and b/res/img/tiles16.xcf differ
diff --git a/src/mightypork/rogue/Res.java b/src/mightypork/rogue/Res.java
index 6b4d6c5..93078f4 100644
--- a/src/mightypork/rogue/Res.java
+++ b/src/mightypork/rogue/Res.java
@@ -80,7 +80,7 @@ public final class Res {
 		textures.addQuad("panel", gui.makeQuad(0, 3.75, 4, .25));
 		
 		// sprites
-		texture = textures.loadTexture("mob", "/res/img/dudes.png", FilterMode.NEAREST, WrapMode.CLAMP);
+		texture = textures.loadTexture("mob", "/res/img/dudes-b.png", FilterMode.NEAREST, WrapMode.CLAMP);
 		tiles = texture.grid(8, 8);
 		textures.addSheet("player", tiles.makeSheet(0, 0, 4, 1));
 		
@@ -96,13 +96,24 @@ public final class Res {
 		
 		textures.addQuad("tile.shadow.n", tiles.makeQuad(0, 7));
 		textures.addQuad("tile.shadow.s", tiles.makeQuad(0, 7).flipY());
-		textures.addQuad("tile.shadow.w", tiles.makeQuad(2, 7));
-		textures.addQuad("tile.shadow.e", tiles.makeQuad(2, 7).flipX());
+		textures.addQuad("tile.shadow.w", tiles.makeQuad(1, 7));
+		textures.addQuad("tile.shadow.e", tiles.makeQuad(1, 7).flipX());
 		
-		textures.addQuad("tile.shadow.nw", tiles.makeQuad(1, 7));
-		textures.addQuad("tile.shadow.ne", tiles.makeQuad(1, 7).flipX());
-		textures.addQuad("tile.shadow.sw", tiles.makeQuad(1, 7).flipY());
-		textures.addQuad("tile.shadow.se", tiles.makeQuad(1, 7).flipY().flipX());
+		textures.addQuad("tile.shadow.nw", tiles.makeQuad(2, 7));
+		textures.addQuad("tile.shadow.ne", tiles.makeQuad(2, 7).flipX());
+		textures.addQuad("tile.shadow.sw", tiles.makeQuad(2, 7).flipY());
+		textures.addQuad("tile.shadow.se", tiles.makeQuad(2, 7).flipY().flipX());
+		
+		// unexplored fog
+		textures.addQuad("tile.ufog.n", tiles.makeQuad(3, 7));
+		textures.addQuad("tile.ufog.s", tiles.makeQuad(3, 7).flipY());
+		textures.addQuad("tile.ufog.w", tiles.makeQuad(4, 7));
+		textures.addQuad("tile.ufog.e", tiles.makeQuad(4, 7).flipX());
+		
+		textures.addQuad("tile.ufog.nw", tiles.makeQuad(5, 7));
+		textures.addQuad("tile.ufog.ne", tiles.makeQuad(5, 7).flipX());
+		textures.addQuad("tile.ufog.sw", tiles.makeQuad(5, 7).flipY());
+		textures.addQuad("tile.ufog.se", tiles.makeQuad(5, 7).flipY().flipX());
 	}
 	
 	
diff --git a/src/mightypork/rogue/screens/gamescreen/world/MapView.java b/src/mightypork/rogue/screens/gamescreen/world/MapView.java
index 467b2b6..112abff 100644
--- a/src/mightypork/rogue/screens/gamescreen/world/MapView.java
+++ b/src/mightypork/rogue/screens/gamescreen/world/MapView.java
@@ -9,28 +9,36 @@ import mightypork.gamecore.control.events.input.KeyListener;
 import mightypork.gamecore.control.events.input.MouseButtonEvent;
 import mightypork.gamecore.control.events.input.MouseButtonListener;
 import mightypork.gamecore.gui.components.InputComponent;
+import mightypork.gamecore.input.Keys;
 import mightypork.rogue.world.Coord;
 import mightypork.rogue.world.PlayerControl;
 import mightypork.rogue.world.World;
 import mightypork.rogue.world.WorldRenderer;
 import mightypork.rogue.world.entity.Entity;
 import mightypork.rogue.world.entity.models.EntityMoveListener;
+import mightypork.util.math.Easing;
+import mightypork.util.math.constraints.num.Num;
+import mightypork.util.math.constraints.num.mutable.NumAnimated;
 import mightypork.util.math.constraints.vect.Vect;
+import mightypork.util.timing.Updateable;
 
 
-public class MapView extends InputComponent implements KeyListener, MouseButtonListener, EntityMoveListener {
+public class MapView extends InputComponent implements KeyListener, MouseButtonListener, EntityMoveListener, Updateable {
 	
 	protected final WorldRenderer worldRenderer;
 	protected final World world;
 	private final PlayerControl pc;
 	
 	private final Set<MapInteractionPlugin> plugins = new HashSet<>();
+	private Num tileSize;
+	private final NumAnimated zoom = new NumAnimated(0, Easing.SINE_BOTH);
 	
 	
 	public MapView(World world)
 	{
 		this.world = world;
-		this.worldRenderer = new WorldRenderer(world, this, 12, 8, 32);//8, 8, 64
+		this.tileSize = height().min(width()).div(8).max(32).mul(Num.make(1).sub(zoom.mul(0.66)));
+		this.worldRenderer = new WorldRenderer(world, this, tileSize);
 		pc = world.getPlayerControl();
 		pc.addMoveListener(this);
 	}
@@ -109,6 +117,16 @@ public class MapView extends InputComponent implements KeyListener, MouseButtonL
 			p.onKey(this, pc, event.getKey(), event.isDown());
 		}
 		
+		if(event.getKey() == Keys.Z) {
+			if(event.isDown()) {
+				zoom.fadeIn(1);
+			} else {
+				zoom.fadeOut(1);
+			}
+			
+			
+		}
+		
 		// don't consume key events, can be useful for others.
 	}
 	
@@ -117,4 +135,11 @@ public class MapView extends InputComponent implements KeyListener, MouseButtonL
 	{
 		plugins.add(plugin);
 	}
+
+
+	@Override
+	public void update(double delta)
+	{
+		zoom.update(delta);
+	}
 }
diff --git a/src/mightypork/rogue/world/Sides.java b/src/mightypork/rogue/world/Sides.java
new file mode 100644
index 0000000..78e018a
--- /dev/null
+++ b/src/mightypork/rogue/world/Sides.java
@@ -0,0 +1,45 @@
+package mightypork.rogue.world;
+
+
+public class Sides {
+
+	//@formatter:off
+	public static final byte NW = (byte) 0b10000000;
+	public static final byte N  = 0b01000000;
+	public static final byte NE = 0b00100000;
+	public static final byte E  = 0b00010000;
+	public static final byte SE = 0b00001000;
+	public static final byte S  = 0b00000100;
+	public static final byte SW = 0b00000010;
+	public static final byte W  = 0b00000001;
+	
+	public static final byte CARDINAL = N|S|E|W;
+	public static final byte DIAGONAL = NE|NW|SE|SW;
+	
+	public static final byte NW_CORNER = W|NW|N;
+	public static final byte NE_CORNER = E|NE|N;
+	public static final byte SW_CORNER = W|SW|S;
+	public static final byte SE_CORNER = E|SE|S;
+	
+	private final static Coord[] side = {
+			Coord.make(-1, -1),
+			Coord.make(0, -1),
+			Coord.make(1, -1),
+			Coord.make(1, 0),
+			Coord.make(1, 1),
+			Coord.make(0, 1),
+			Coord.make(-1, 1),
+			Coord.make(-1, 0)
+	};
+	//@formatter:on
+
+	public static Coord get(int i)
+	{
+		return side[i]; // FIXME Coord is mutable
+	}
+
+	public static byte bit(int i)
+	{
+		return (byte) (1 << (7 - i));
+	}
+}
diff --git a/src/mightypork/rogue/world/WorldRenderer.java b/src/mightypork/rogue/world/WorldRenderer.java
index 350956a..016ddb3 100644
--- a/src/mightypork/rogue/world/WorldRenderer.java
+++ b/src/mightypork/rogue/world/WorldRenderer.java
@@ -10,12 +10,11 @@ import mightypork.rogue.world.level.render.TileRenderContext;
 import mightypork.util.math.color.RGB;
 import mightypork.util.math.constraints.Pollable;
 import mightypork.util.math.constraints.num.Num;
-import mightypork.util.math.constraints.num.caching.NumCache;
 import mightypork.util.math.constraints.rect.Rect;
-import mightypork.util.math.constraints.rect.caching.RectCache;
+import mightypork.util.math.constraints.rect.RectConst;
 import mightypork.util.math.constraints.rect.proxy.RectProxy;
 import mightypork.util.math.constraints.vect.Vect;
-import mightypork.util.math.constraints.vect.caching.VectCache;
+import mightypork.util.math.constraints.vect.VectConst;
 
 
 /**
@@ -27,14 +26,13 @@ public class WorldRenderer extends RectProxy implements Pollable {
 	
 	private static final boolean USE_BATCH_RENDERING = true;
 	
-	private final VectCache vpCenter;
-	private final NumCache tileSize;
+	private final Num tileSize;
 	
 	private final World world;
 	private final Entity player;
 	
 	// can be changed
-	private RectCache mapRect;
+	private RectConst mapRect;
 	private Level activeLevel;
 	
 	private final Rect rightShadow;
@@ -45,17 +43,13 @@ public class WorldRenderer extends RectProxy implements Pollable {
 	private TileRenderContext trc;
 	
 	
-	public WorldRenderer(World world, Rect viewport, int xTiles, int yTiles, int minTileSize)
-	{
+	public WorldRenderer(World world, Rect viewport, Num tileSize) {
 		super(viewport);
 		
 		this.world = world;
 		this.player = world.getPlayerEntity();
 		
-		tileSize = width().div(xTiles).min(height().div(yTiles)).max(minTileSize).cached();
-		
-		final Num th = tileSize.half();
-		vpCenter = center().sub(th, th).cached();
+		this.tileSize = tileSize;
 		
 		final Num grX = width().perc(30);
 		leftShadow = leftEdge().growRight(grX);
@@ -76,21 +70,18 @@ public class WorldRenderer extends RectProxy implements Pollable {
 		if (activeLevel == level) return;
 		activeLevel = level;
 		
-		mapRect = Rect.make(vpCenter, tileSize.mul(level.getWidth()), tileSize.mul(level.getHeight())).cached();
+		mapRect = Rect.make(0, 0, level.getWidth(), level.getHeight());
 		
 		trc = new TileRenderContext(activeLevel, mapRect);
 	}
 	
 	
-	private Vect getOffset()
+	private VectConst getOffset()
 	{
 		final EntityPos pos = player.getPosition();
 		final double playerX = pos.visualX();
-		final double playerY = pos.visualY();
-		
-		final double ts = tileSize.value();
-		
-		return Vect.make((-ts * playerX), (-ts * playerY));
+		final double playerY = pos.visualY();		
+		return Vect.make(-playerX-0.5, -playerY-0.5);
 	}
 	
 	
@@ -98,12 +89,16 @@ public class WorldRenderer extends RectProxy implements Pollable {
 	{
 		Render.pushMatrix();
 		Render.setColor(RGB.WHITE);
+		Render.translate(center());
+		Render.scaleXY(tileSize.value());
 		Render.translate(getOffset());
 		
+		
 		// tiles to render
 		final EntityPos pos = player.getPosition();
 		final double w = width().value();
 		final double h = height().value();
+		
 		final double ts = tileSize.value();
 		
 		final int xtilesh = (int) (w / (ts * 2)) + 1;
@@ -167,8 +162,8 @@ public class WorldRenderer extends RectProxy implements Pollable {
 	
 	public Coord getClickedTile(Vect clickPos)
 	{
-		final Vect v = clickPos.sub(mapRect.origin().add(getOffset()));
 		final int ts = (int) tileSize.value();
+		final Vect v = clickPos.sub(center().add(getOffset().mul(ts)));
 		return new Coord(v.xi() / ts, v.yi() / ts);
 	}
 	
@@ -176,12 +171,6 @@ public class WorldRenderer extends RectProxy implements Pollable {
 	@Override
 	public void poll()
 	{
-		// in order of dependency
-		vpCenter.poll();
-		tileSize.poll();
-		
-		mapRect.poll();
-		
 		rebuildTiles();
 	}
 	
diff --git a/src/mightypork/rogue/world/gen/ScratchMap.java b/src/mightypork/rogue/world/gen/ScratchMap.java
index 802206f..e7233a2 100644
--- a/src/mightypork/rogue/world/gen/ScratchMap.java
+++ b/src/mightypork/rogue/world/gen/ScratchMap.java
@@ -8,6 +8,7 @@ import java.util.Random;
 import java.util.Set;
 
 import mightypork.rogue.world.Coord;
+import mightypork.rogue.world.Sides;
 import mightypork.rogue.world.level.Level;
 import mightypork.rogue.world.pathfinding.Heuristic;
 import mightypork.rogue.world.pathfinding.PathFinder;
@@ -21,19 +22,6 @@ import mightypork.util.math.Calc;
 
 public class ScratchMap {
 	
-	//@formatter:off
-	public static final Coord[] MOVES = {
-		Coord.make(-1, 0),
-		Coord.make(-1, -1), 
-		Coord.make(0, -1),
-		Coord.make(1, -1),
-		Coord.make(1, 0),
-		Coord.make(1, 1),
-		Coord.make(0, 1),
-		Coord.make(-1, 1)
-	};
-	//@formatter:on
-	
 	private Tile[][] map;
 	private final int width;
 	private final int height;
@@ -88,9 +76,6 @@ public class ScratchMap {
 	private final Random rand;
 	private Coord enterPoint;
 	
-	public static final byte CARDINAL = (byte) 0b10101010;
-	public static final byte DIAGONAL = (byte) 0b01010101;
-	
 	private static final boolean FIX_GLITCHES = true;
 	
 	
@@ -341,12 +326,12 @@ public class ScratchMap {
 	public byte findWalls(Coord pos)
 	{
 		byte walls = 0;
-		for (int i = 0; i <= 7; i++) {
-			final Coord cc = pos.add(MOVES[i]);
+		for (int i = 0; i < 8; i++) {
+			final Coord cc = pos.add(Sides.get(i));
 			if (!isIn(cc)) continue;
 			
 			if (get(cc).isWall()) {
-				walls |= 1 << (7 - i);
+				walls |= Sides.bit(i);
 			}
 		}
 		return walls;
@@ -357,11 +342,11 @@ public class ScratchMap {
 	{
 		byte floors = 0;
 		for (int i = 0; i <= 7; i++) {
-			final Coord cc = pos.add(MOVES[i]);
+			final Coord cc = pos.add(Sides.get(i));
 			if (!isIn(cc)) continue;
 			
 			if (get(cc).isFloor()) {
-				floors |= 1 << (7 - i);
+				floors |= Sides.bit(i);
 			}
 		}
 		return floors;
@@ -372,11 +357,11 @@ public class ScratchMap {
 	{
 		byte doors = 0;
 		for (int i = 0; i <= 7; i++) {
-			final Coord cc = pos.add(MOVES[i]);
+			final Coord cc = pos.add(Sides.get(i));
 			if (!isIn(cc)) continue;
 			
 			if (get(cc).isDoor()) {
-				doors |= 1 << (7 - i);
+				doors |= Sides.bit(i);
 			}
 		}
 		return doors;
@@ -387,10 +372,10 @@ public class ScratchMap {
 	{
 		byte nils = 0;
 		for (int i = 0; i <= 7; i++) {
-			final Coord cc = pos.add(MOVES[i]);
+			final Coord cc = pos.add(Sides.get(i));
 			
 			if (!isIn(cc) || get(cc).isNull()) {
-				nils |= 1 << (7 - i);
+				nils |= Sides.bit(i);
 			}
 		}
 		return nils;
@@ -432,12 +417,12 @@ public class ScratchMap {
 							break;
 						}
 						
-						if (isFloor && (nils & CARDINAL) != 0) {
+						if (isFloor && (nils & Sides.CARDINAL) != 0) {
 							toWall = true; // floor with adjacent cardinal null
 							break;
 						}
 						
-						if (isNull && (floors & DIAGONAL) != 0) {
+						if (isNull && (floors & Sides.DIAGONAL) != 0) {
 							System.out.println(c);
 							toWall = true; // null with adjacent diagonal floor
 							break;
@@ -445,25 +430,25 @@ public class ScratchMap {
 						
 						if (isDoor) {
 							
-							if (countBits((byte) (floors & CARDINAL)) < 2) {
+							if (countBits((byte) (floors & Sides.CARDINAL)) < 2) {
 								toWall = true;
 								break;
 							}
 							
-							if (countBits((byte) (walls & CARDINAL)) > 2) {
+							if (countBits((byte) (walls & Sides.CARDINAL)) > 2) {
 								toWall = true;
 								break;
 							}
 							
-							if (countBits((byte) (floors & CARDINAL)) > 2) {
+							if (countBits((byte) (floors & Sides.CARDINAL)) > 2) {
 								toFloor = true;
 								break;
 							}
 							
-							if ((floors & 0b11100000) == 0b11100000) toWall = true;
-							if ((floors & 0b00111000) == 0b00111000) toWall = true;
-							if ((floors & 0b00001110) == 0b00001110) toWall = true;
-							if ((floors & 0b10000011) == 0b10000011) toWall = true;
+							if ((floors & Sides.NW_CORNER) == Sides.NW_CORNER) toWall = true;
+							if ((floors & Sides.NE_CORNER) == Sides.NE_CORNER) toWall = true;
+							if ((floors & Sides.SW_CORNER) == Sides.SW_CORNER) toWall = true;
+							if ((floors & Sides.SE_CORNER) == Sides.SE_CORNER) toWall = true;
 							
 						}
 					} while (false);
diff --git a/src/mightypork/rogue/world/gen/rooms/SimpleRectRoom.java b/src/mightypork/rogue/world/gen/rooms/SimpleRectRoom.java
index f2dea0f..43b0fe5 100644
--- a/src/mightypork/rogue/world/gen/rooms/SimpleRectRoom.java
+++ b/src/mightypork/rogue/world/gen/rooms/SimpleRectRoom.java
@@ -4,6 +4,7 @@ package mightypork.rogue.world.gen.rooms;
 import java.util.Random;
 
 import mightypork.rogue.world.Coord;
+import mightypork.rogue.world.Sides;
 import mightypork.rogue.world.gen.RoomBuilder;
 import mightypork.rogue.world.gen.RoomDesc;
 import mightypork.rogue.world.gen.ScratchMap;
@@ -49,7 +50,7 @@ public class SimpleRectRoom implements RoomBuilder {
 					break;
 			}
 			
-			if ((map.findDoors(door) & map.CARDINAL) == 0) {
+			if ((map.findDoors(door) & Sides.CARDINAL) == 0) {
 				map.set(door, theme.door());
 			}
 		}
diff --git a/src/mightypork/rogue/world/level/render/TileRenderContext.java b/src/mightypork/rogue/world/level/render/TileRenderContext.java
index 6a81cbf..7cdbe1c 100644
--- a/src/mightypork/rogue/world/level/render/TileRenderContext.java
+++ b/src/mightypork/rogue/world/level/render/TileRenderContext.java
@@ -42,13 +42,12 @@ public final class TileRenderContext extends MapRenderContext implements RectBou
 	/**
 	 * Get a neighbor tile
 	 * 
-	 * @param offsetX x offset (left-right)
-	 * @param offsetY y offset (up-down)
+	 * @param offset offsets
 	 * @return the tile at that position
 	 */
-	public Tile getAdjacentTile(int offsetX, int offsetY)
+	public Tile getAdjacentTile(Coord offset)
 	{
-		return map.getTile(pos.add(offsetX, offsetY));
+		return map.getTile(pos.add(offset));
 	}
 	
 	
@@ -63,6 +62,7 @@ public final class TileRenderContext extends MapRenderContext implements RectBou
 	
 	public void renderTile()
 	{
+		if(!map.getTile(pos).isExplored()) return;
 		map.getTile(pos).renderTile(this);
 	}
 	
diff --git a/src/mightypork/rogue/world/tile/Tile.java b/src/mightypork/rogue/world/tile/Tile.java
index bfe0126..b7b495c 100644
--- a/src/mightypork/rogue/world/tile/Tile.java
+++ b/src/mightypork/rogue/world/tile/Tile.java
@@ -219,4 +219,10 @@ public final class Tile implements IonBinary {
 	{
 		data.explored = true;
 	}
+
+
+	public boolean doesReceiveShadow()
+	{
+		return model.doesReceiveShadow();
+	}
 }
diff --git a/src/mightypork/rogue/world/tile/TileModel.java b/src/mightypork/rogue/world/tile/TileModel.java
index 56931ee..18adb30 100644
--- a/src/mightypork/rogue/world/tile/TileModel.java
+++ b/src/mightypork/rogue/world/tile/TileModel.java
@@ -53,6 +53,9 @@ public abstract class TileModel {
 	
 	
 	public abstract boolean doesCastShadow();
+
+
+	public abstract boolean doesReceiveShadow();
 	
 	
 	public boolean isNullTile()
diff --git a/src/mightypork/rogue/world/tile/TileRenderer.java b/src/mightypork/rogue/world/tile/TileRenderer.java
index 71a48c0..8359994 100644
--- a/src/mightypork/rogue/world/tile/TileRenderer.java
+++ b/src/mightypork/rogue/world/tile/TileRenderer.java
@@ -1,9 +1,13 @@
 package mightypork.rogue.world.tile;
 
-
+import mightypork.gamecore.render.Render;
+import mightypork.gamecore.render.textures.TxQuad;
+import mightypork.rogue.Res;
+import mightypork.rogue.world.Sides;
 import mightypork.rogue.world.item.Item;
 import mightypork.rogue.world.level.render.TileRenderContext;
 import mightypork.rogue.world.tile.renderers.NullTileRenderer;
+import mightypork.util.math.constraints.rect.Rect;
 
 
 /**
@@ -15,9 +19,38 @@ public abstract class TileRenderer {
 	
 	public static final TileRenderer NONE = new NullTileRenderer();
 	
+	private static TxQuad SH_N, SH_S, SH_E, SH_W, SH_NW, SH_NE, SH_SW, SH_SE;
+	private static TxQuad UFOG_N, UFOG_S, UFOG_E, UFOG_W, UFOG_NW, UFOG_NE, UFOG_SW, UFOG_SE;
+	
+	
+	private static boolean inited;
+	
 	private DroppedItemRenderer itemRenderer;
 	
 	
+	public TileRenderer() {
+		if (!inited) {
+			SH_N = Res.getTxQuad("tile.shadow.n");
+			SH_S = Res.getTxQuad("tile.shadow.s");
+			SH_E = Res.getTxQuad("tile.shadow.e");
+			SH_W = Res.getTxQuad("tile.shadow.w");
+			SH_NW = Res.getTxQuad("tile.shadow.nw");
+			SH_NE = Res.getTxQuad("tile.shadow.ne");
+			SH_SW = Res.getTxQuad("tile.shadow.sw");
+			SH_SE = Res.getTxQuad("tile.shadow.se");
+			
+			UFOG_N = Res.getTxQuad("tile.ufog.n");
+			UFOG_S = Res.getTxQuad("tile.ufog.s");
+			UFOG_E = Res.getTxQuad("tile.ufog.e");
+			UFOG_W = Res.getTxQuad("tile.ufog.w");
+			UFOG_NW = Res.getTxQuad("tile.ufog.nw");
+			UFOG_NE = Res.getTxQuad("tile.ufog.ne");
+			UFOG_SW = Res.getTxQuad("tile.ufog.sw");
+			UFOG_SE = Res.getTxQuad("tile.ufog.se");
+		}
+	}
+	
+	
 	/**
 	 * Update tile renderer
 	 * 
@@ -36,7 +69,87 @@ public abstract class TileRenderer {
 	 * 
 	 * @param context
 	 */
-	public abstract void render(TileRenderContext context);
+	public final void render(TileRenderContext context)
+	{
+		Tile t = context.getTile();
+		if (t.isNull() || !t.isExplored()) return;
+		
+		renderTile(context);
+		
+		if (t.doesReceiveShadow()) renderShadows(context);
+		
+		renderUFog(context);
+	}
+	
+	
+	protected abstract void renderTile(TileRenderContext context);
+	
+	
+	protected void renderShadows(TileRenderContext context)
+	{
+		final TileRenderData trd = context.getTile().renderData;
+		
+		if (!trd.shadowsComputed) {
+			// no shadows computed yet
+			
+			trd.shadows = 0; // reset the mask
+			
+			for (int i = 0; i < 8; i++) {
+				final Tile t2 = context.getAdjacentTile(Sides.get(i));
+				if (t2.doesCastShadow()) {
+					trd.shadows |= Sides.bit(i);
+				}
+			}
+			
+			trd.shadowsComputed = true;
+		}
+		
+		if (trd.shadows == 0) return;
+		final Rect rect = context.getRect();
+		
+		if ((trd.shadows & Sides.NW) != 0) Render.quadTextured(rect, SH_NW);
+		if ((trd.shadows & Sides.N) != 0) Render.quadTextured(rect, SH_N);
+		if ((trd.shadows & Sides.NE) != 0) Render.quadTextured(rect, SH_NE);
+		
+		if ((trd.shadows & Sides.W) != 0) Render.quadTextured(rect, SH_W);
+		if ((trd.shadows & Sides.E) != 0) Render.quadTextured(rect, SH_E);
+		
+		if ((trd.shadows & Sides.SW) != 0) Render.quadTextured(rect, SH_SW);
+		if ((trd.shadows & Sides.S) != 0) Render.quadTextured(rect, SH_S);
+		if ((trd.shadows & Sides.SE) != 0) Render.quadTextured(rect, SH_SE);
+	}
+	
+	
+	protected void renderUFog(TileRenderContext context)
+	{	
+		
+		// TODO cache in tile, update neighbouring tiles upon "explored" flag changed.
+		
+		byte ufog = 0;
+		
+		ufog = 0; // reset the mask
+		
+		for (int i = 0; i < 8; i++) {
+			final Tile t2 = context.getAdjacentTile(Sides.get(i));
+			if (t2.isNull() || !t2.isExplored()) {
+				ufog |= Sides.bit(i);
+			}
+		}
+		
+		if (ufog == 0) return;
+		
+		final Rect rect = context.getRect();	
+		if ((ufog & Sides.NW_CORNER) == Sides.NW) Render.quadTextured(rect, UFOG_NW);
+		if ((ufog & Sides.N) != 0) Render.quadTextured(rect, UFOG_N);
+		if ((ufog & Sides.NE_CORNER) == Sides.NE) Render.quadTextured(rect, UFOG_NE);
+		
+		if ((ufog & Sides.W) != 0) Render.quadTextured(rect, UFOG_W);
+		if ((ufog & Sides.E) != 0) Render.quadTextured(rect, UFOG_E);
+		
+		if ((ufog & Sides.SW_CORNER) == Sides.SW)  Render.quadTextured(rect, UFOG_SW);
+		if ((ufog & Sides.S) != 0) Render.quadTextured(rect, UFOG_S);
+		if ((ufog & Sides.SE_CORNER) == Sides.SE) Render.quadTextured(rect, UFOG_SE);
+	}
 	
 	
 	public void renderItemOnTile(Item item, TileRenderContext context)
diff --git a/src/mightypork/rogue/world/tile/Tiles.java b/src/mightypork/rogue/world/tile/Tiles.java
index d8eab77..39b95d0 100644
--- a/src/mightypork/rogue/world/tile/Tiles.java
+++ b/src/mightypork/rogue/world/tile/Tiles.java
@@ -5,9 +5,7 @@ import mightypork.rogue.world.tile.models.Floor;
 import mightypork.rogue.world.tile.models.NullTile;
 import mightypork.rogue.world.tile.models.SimpleDoor;
 import mightypork.rogue.world.tile.models.Wall;
-import mightypork.rogue.world.tile.renderers.FloorRenderer;
-import mightypork.rogue.world.tile.renderers.WallRenderer;
-
+import mightypork.rogue.world.tile.renderers.BasicTileRenderer;
 
 /**
  * Tile registry
@@ -20,8 +18,8 @@ public final class Tiles {
 	
 	public static final TileModel NULL = new NullTile(0);
 	
-	public static final TileModel FLOOR_DARK = new Floor(10).setRenderer(new FloorRenderer("tile.floor.dark"));
-	public static final TileModel WALL_BRICK = new Wall(11).setRenderer(new WallRenderer("tile.wall.brick"));
+	public static final TileModel FLOOR_DARK = new Floor(10).setRenderer(new BasicTileRenderer("tile.floor.dark"));
+	public static final TileModel WALL_BRICK = new Wall(11).setRenderer(new BasicTileRenderer("tile.wall.brick"));
 	
 	public static final TileModel DOOR = new SimpleDoor(12);
 	
diff --git a/src/mightypork/rogue/world/tile/models/AbstractTile.java b/src/mightypork/rogue/world/tile/models/AbstractTile.java
index cdbf74b..37d09df 100644
--- a/src/mightypork/rogue/world/tile/models/AbstractTile.java
+++ b/src/mightypork/rogue/world/tile/models/AbstractTile.java
@@ -47,6 +47,12 @@ public abstract class AbstractTile extends TileModel {
 		return false;
 	}
 	
+	@Override
+	public boolean doesReceiveShadow()
+	{
+		return isFloor();
+	}
+	
 	
 	@Override
 	@DefaultImpl
diff --git a/src/mightypork/rogue/world/tile/renderers/BasicTileRenderer.java b/src/mightypork/rogue/world/tile/renderers/BasicTileRenderer.java
index 31e3193..ef99a73 100644
--- a/src/mightypork/rogue/world/tile/renderers/BasicTileRenderer.java
+++ b/src/mightypork/rogue/world/tile/renderers/BasicTileRenderer.java
@@ -21,7 +21,7 @@ public class BasicTileRenderer extends TileRenderer {
 	
 	
 	@Override
-	public void render(TileRenderContext context)
+	public void renderTile(TileRenderContext context)
 	{
 		final Rect rect = context.getRect();
 		Render.quadTextured(rect, sheet.getRandomQuad(context.getTileNoise()));
diff --git a/src/mightypork/rogue/world/tile/renderers/DoorRenderer.java b/src/mightypork/rogue/world/tile/renderers/DoorRenderer.java
index 8bbadd7..09b483a 100644
--- a/src/mightypork/rogue/world/tile/renderers/DoorRenderer.java
+++ b/src/mightypork/rogue/world/tile/renderers/DoorRenderer.java
@@ -24,7 +24,7 @@ public class DoorRenderer extends TileRenderer {
 	
 	
 	@Override
-	public void render(TileRenderContext context)
+	public void renderTile(TileRenderContext context)
 	{
 		final Tile t = context.getTile();
 		final Rect rect = context.getRect();
diff --git a/src/mightypork/rogue/world/tile/renderers/FloorRenderer.java b/src/mightypork/rogue/world/tile/renderers/FloorRenderer.java
deleted file mode 100644
index fe23492..0000000
--- a/src/mightypork/rogue/world/tile/renderers/FloorRenderer.java
+++ /dev/null
@@ -1,81 +0,0 @@
-package mightypork.rogue.world.tile.renderers;
-
-
-import mightypork.gamecore.render.Render;
-import mightypork.gamecore.render.textures.TxQuad;
-import mightypork.rogue.Res;
-import mightypork.rogue.world.level.render.TileRenderContext;
-import mightypork.rogue.world.tile.Tile;
-import mightypork.rogue.world.tile.TileRenderData;
-import mightypork.util.math.constraints.rect.Rect;
-
-
-public class FloorRenderer extends BasicTileRenderer {
-	
-	private static boolean inited;
-	private static TxQuad SH_N, SH_S, SH_E, SH_W, SH_NW, SH_NE, SH_SW, SH_SE;
-	
-	
-	public FloorRenderer(String sheetKey)
-	{
-		super(sheetKey);
-		
-		if (!inited) {
-			SH_N = Res.getTxQuad("tile.shadow.n");
-			SH_S = Res.getTxQuad("tile.shadow.s");
-			SH_E = Res.getTxQuad("tile.shadow.e");
-			SH_W = Res.getTxQuad("tile.shadow.w");
-			SH_NW = Res.getTxQuad("tile.shadow.nw");
-			SH_NE = Res.getTxQuad("tile.shadow.ne");
-			SH_SW = Res.getTxQuad("tile.shadow.sw");
-			SH_SE = Res.getTxQuad("tile.shadow.se");
-		}
-	}
-	
-	
-	@Override
-	public void render(TileRenderContext context)
-	{
-		super.render(context);
-		
-		final Rect rect = context.getRect();
-		
-		final TileRenderData trd = context.getTile().renderData;
-		
-		if (!trd.shadowsComputed) {
-			// no shadows computed yet
-			
-			trd.shadows = 0; // reset the mask
-			
-			int move = 0;
-			for (int y = -1; y <= 1; y++) {
-				for (int x = -1; x <= 1; x++) {
-					if (x == 0 && y == 0) continue;
-					
-					final Tile t2 = context.getAdjacentTile(x, y);
-					
-					if (t2.doesCastShadow()) {
-						trd.shadows |= 1 << move;
-					}
-					
-					move++;
-				}
-			}
-			
-			trd.shadowsComputed = true;
-		}
-		
-		if (trd.shadows == 0) return;
-		
-		if ((trd.shadows & (1 << 0)) != 0) Render.quadTextured(rect, SH_NW);
-		if ((trd.shadows & (1 << 1)) != 0) Render.quadTextured(rect, SH_N);
-		if ((trd.shadows & (1 << 2)) != 0) Render.quadTextured(rect, SH_NE);
-		
-		if ((trd.shadows & (1 << 3)) != 0) Render.quadTextured(rect, SH_W);
-		if ((trd.shadows & (1 << 4)) != 0) Render.quadTextured(rect, SH_E);
-		
-		if ((trd.shadows & (1 << 5)) != 0) Render.quadTextured(rect, SH_SW);
-		if ((trd.shadows & (1 << 6)) != 0) Render.quadTextured(rect, SH_S);
-		if ((trd.shadows & (1 << 7)) != 0) Render.quadTextured(rect, SH_SE);
-	}
-}
diff --git a/src/mightypork/rogue/world/tile/renderers/NullTileRenderer.java b/src/mightypork/rogue/world/tile/renderers/NullTileRenderer.java
index d19a424..71a1a39 100644
--- a/src/mightypork/rogue/world/tile/renderers/NullTileRenderer.java
+++ b/src/mightypork/rogue/world/tile/renderers/NullTileRenderer.java
@@ -8,9 +8,8 @@ import mightypork.rogue.world.tile.TileRenderer;
 public class NullTileRenderer extends TileRenderer {
 	
 	@Override
-	public void render(TileRenderContext context)
+	protected void renderTile(TileRenderContext context)
 	{
-		// nope
 	}
 	
 }
diff --git a/src/mightypork/rogue/world/tile/renderers/WallRenderer.java b/src/mightypork/rogue/world/tile/renderers/WallRenderer.java
deleted file mode 100644
index 3a440f4..0000000
--- a/src/mightypork/rogue/world/tile/renderers/WallRenderer.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package mightypork.rogue.world.tile.renderers;
-
-
-public class WallRenderer extends BasicTileRenderer {
-	
-	public WallRenderer(String sheetKey)
-	{
-		super(sheetKey);
-	}
-	
-}