rewritten tile system, added intial flood fill system

src/mightypork/rogue/App.java

@@ -25,7 +25,6 @@ import mightypork.rogue.screens.test_render.ScreenTestRender;
 import mightypork.rogue.world.entity.Entity;
 import mightypork.rogue.world.item.Item;
 import mightypork.rogue.world.level.Level;
-import mightypork.rogue.world.tile.Tile;
 import mightypork.util.control.eventbus.BusEvent;
 import mightypork.util.control.eventbus.EventBus;
 import mightypork.util.files.ion.Ion;
@@ -107,7 +106,6 @@ public final class App extends BaseApp {
 	@Override
 	protected void preInit()
 	{
-		Ion.registerBinary(Tile.ION_MARK, Tile.class);
 		Ion.registerBinary(Item.ION_MARK, Item.class);
 		Ion.registerBinary(Level.ION_MARK, Level.class);
 		Ion.registerBinary(Entity.ION_MARK, Entity.class);

src/mightypork/rogue/screens/gamescreen/world/Minimap.java

@@ -64,7 +64,7 @@ public class Minimap extends InputComponent implements MouseButtonListener {
 			for (pos.x = 0, point.x = tl.xi(); pos.x < lw; pos.x++, point.x += unit) {
 				
 				final Tile t = lvl.getTile(pos);
-				if (t.isNull() || !t.data.explored) continue;
+				if (t.isNull() || !t.isExplored()) continue;
 				
 				final Color clr = t.getMapColor();
 				

src/mightypork/rogue/world/entity/models/PlayerModel.java

@@ -86,7 +86,7 @@ public class PlayerModel extends EntityModel {
 	@Override
 	public int getPathCost(Entity entity, Coord from, Coord to)
 	{
-		if (!entity.getLevel().getTile(entity.getCoord()).data.explored) {
+		if (!entity.getLevel().getTile(entity.getCoord()).isExplored()) {
 			return 1000;
 		}
 		

src/mightypork/rogue/world/gen/ScratchMap.java

@@ -15,6 +15,7 @@ import mightypork.rogue.world.pathfinding.PathFinder;
 import mightypork.rogue.world.pathfinding.PathFindingContext;
 import mightypork.rogue.world.tile.Tile;
 import mightypork.rogue.world.tile.TileModel;
+import mightypork.rogue.world.tile.TileType;
 import mightypork.rogue.world.tile.Tiles;
 import mightypork.util.logging.Log;
 import mightypork.util.math.Calc;
@@ -43,14 +44,24 @@ public class ScratchMap {
 		{
 			final Tile t = get(pos);
 			
-			if (t.isNull()) return 60;
+			switch (t.getType()) {
+				case NULL:
+					return 60;
 					
-			if (t.isDoor()) return 10; // door
-			if (t.isFloor()) return 20; // floor
+				case DOOR:
+					return 10;
+					
+				case FLOOR:
+					return 20;
 					
-			if (t.isWall() && t.genData.isProtected) return 1000;
+				case WALL:
+					if (t.genData.isProtected) return 1000;
 					
-			return 100; // wall
+					return 100;
+					
+				default:
+					throw new RuntimeException("Unknown tile type: " + t.getType());
+			}
 		}
 		
 		
@@ -79,7 +90,8 @@ public class ScratchMap {
 	private static final boolean FIX_GLITCHES = true;
 	
 	
-	public ScratchMap(int max_size, Theme theme, Random rand) {
+	public ScratchMap(int max_size, Theme theme, Random rand)
+	{
 		map = new Tile[max_size][max_size];
 		
 		genMin = Coord.make((max_size / 2) - 1, (max_size / 2) - 1);
@@ -161,9 +173,7 @@ public class ScratchMap {
 	
 	public Tile get(Coord pos)
 	{
-		if (!isIn(pos)) {
-			throw new IndexOutOfBoundsException("Tile not in map: " + pos);
-		}
+		if (!isIn(pos)) { throw new IndexOutOfBoundsException("Tile not in map: " + pos); }
 		
 		return map[pos.y][pos.x];
 	}
@@ -177,9 +187,7 @@ public class ScratchMap {
 	
 	public boolean set(Coord pos, Tile tile)
 	{
-		if (!isIn(pos)) {
-			throw new IndexOutOfBoundsException("Tile not in map: " + pos);
-		}
+		if (!isIn(pos)) { throw new IndexOutOfBoundsException("Tile not in map: " + pos); }
 		
 		map[pos.y][pos.x] = tile;
 		return true;

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

@@ -100,7 +100,7 @@ public class Level implements MapAccess, IonBinary {
 	
 	public final void setTile(Coord pos, int tileId)
 	{
-		setTile(pos, new Tile(tileId));
+		setTile(pos, Tiles.create(tileId));
 	}
 	
 	
@@ -163,10 +163,7 @@ public class Level implements MapAccess, IonBinary {
 		// load tiles
 		for (final Coord c = Coord.zero(); c.x < size.x; c.x++) {
 			for (c.y = 0; c.y < size.y; c.y++) {
-				// no mark
-				final Tile tile = new Tile();
-				tile.load(in);
-				setTile(c, tile);
+				setTile(c, Tiles.loadTile(in));
 			}
 		}
 		
@@ -192,8 +189,7 @@ public class Level implements MapAccess, IonBinary {
 		
 		for (final Coord c = Coord.zero(); c.x < size.x; c.x++) {
 			for (c.y = 0; c.y < size.y; c.y++) {
-				// no mark to save space
-				getTile(c).save(out);
+				Tiles.saveTile(out, getTile(c));
 			}
 		}
 	}
@@ -333,7 +329,7 @@ public class Level implements MapAccess, IonBinary {
 				if (Calc.dist(coord.x, coord.y, c.x, c.y) > radius) continue;
 				final Tile t = getTile(c);
 				if (!t.isNull()) {
-					t.data.explored = true;
+					t.setExplored();
 				}
 			}
 		}

src/mightypork/rogue/world/level/render/TileRenderContext.java

@@ -24,7 +24,7 @@ public final class TileRenderContext extends MapRenderContext implements RectBou
 	{
 		super(map, drawArea);
 		
-		this.tiler.setOverlap(0.01); // avoid gaps (rounding error?)	
+		//this.tiler.setOverlap(0.02); // avoid gaps (rounding error?)	
 		
 		this.noise = map.getNoiseGen();
 	}
@@ -69,7 +69,7 @@ public final class TileRenderContext extends MapRenderContext implements RectBou
 	
 	public void renderItems()
 	{
-		map.getTile(pos).renderItems(this);
+		map.getTile(pos).renderExtra(this);
 	}
 	
 	

src/mightypork/rogue/world/pathfinding/FillContext.java

@@ -0,0 +1,21 @@
+package mightypork.rogue.world.pathfinding;
+
+
+import mightypork.rogue.world.Coord;
+
+
+public interface FillContext {
+	
+	boolean canEnter(Coord pos);
+	
+	
+	boolean canSpread(Coord pos);
+	
+	
+	/**
+	 * Get the max distance filled form start point. Use -1 for unlimited range.
+	 * 
+	 * @return max distance
+	 */
+	int getMaxDistance();
+}

src/mightypork/rogue/world/pathfinding/FloodFill.java

@@ -0,0 +1,41 @@
+package mightypork.rogue.world.pathfinding;
+
+
+import java.util.*;
+
+import mightypork.rogue.world.Coord;
+
+
+public class FloodFill {
+	
+	private static final Coord[] spread = { Coord.make(0, -1), Coord.make(0, 1), Coord.make(1, 0), Coord.make(-1, 0) };
+	
+	
+	public static final Collection<Coord> fill(Coord start, FillContext context)
+	{
+		Set<Coord> filled = new HashSet<>();
+		Stack<Coord> active = new Stack<>();
+		
+		int maxDist = context.getMaxDistance();
+		
+		active.push(start);
+		
+		while (!active.isEmpty()) {
+			Coord current = active.pop();
+			
+			filled.add(current);
+			
+			for (Coord spr : spread) {
+				Coord next = current.add(spr);
+				
+				if (next.dist(start) > maxDist) continue;
+				
+				if (context.canSpread(next)) {
+					active.push(next);
+				}
+			}
+		}
+		
+		return filled;
+	}
+}

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

@@ -8,6 +8,7 @@ import mightypork.rogue.world.item.Item;
 import mightypork.rogue.world.level.Level;
 import mightypork.rogue.world.level.render.TileRenderContext;
 import mightypork.util.files.ion.IonBinary;
+import mightypork.util.files.ion.IonBinaryHeadless;
 import mightypork.util.files.ion.IonInput;
 import mightypork.util.files.ion.IonOutput;
 import mightypork.util.math.color.Color;
@@ -18,211 +19,129 @@ import mightypork.util.math.color.Color;
  * 
  * @author MightyPork
  */
-public final class Tile implements IonBinary {
-	
-	public static final short ION_MARK = 50;
-	
-	private TileModel model;
-	private TileRenderer renderer;
-	
-	private int id;
-	
-	private final Stack<Item> items = new Stack<>();
-	
-	/** persistent field for model, reflected by renderer */
-	public final TileData data = new TileData();
+public abstract class Tile implements IonBinaryHeadless {
 	
+	// tmp extras
 	public final TileRenderData renderData = new TileRenderData();
 	public final TileGenData genData = new TileGenData();
 	
-	// temporary flag for map.
-	private boolean occupied;
-	
-	
-	public Tile(int id) {
-		this(Tiles.get(id));
-	}
+	protected final TileRenderer renderer;
 	
+	public final int id;
 	
-	public Tile(TileModel model) {
-		setModel(model);
-	}
+	protected final Stack<Item> items = new Stack<>();
 	
 	
-	public Tile() {
-	}
+	// temporary flag for map.
+	protected boolean occupied;
+	protected boolean explored;
 	
 	
-	private void setModel(TileModel model)
+	public Tile(int id, TileRenderer renderer)
 	{
-		this.model = model;
-		this.id = model.id;
-		this.renderer = model.renderer;
+		this.id = id;
+		this.renderer = renderer;
 	}
 	
 	
 	/**
-	 * Render the tile alone (must not use other than the main map texture)
+	 * Render the tile, using the main texture sheet.
 	 */
-	public void renderTile(TileRenderContext context)
-	{
-		renderer.render(context);
-		
-		if (hasItems()) {
-			renderer.renderItemOnTile(items.peek(), context);
-		}
-	}
+	public abstract void renderTile(TileRenderContext context);
 	
 	
 	/**
-	 * Render items
+	 * Render extra stuff (ie. dropped items).<br>
+	 * Called after the whole map is rendered using renderTile.
 	 * 
 	 * @param context
 	 */
-	public void renderItems(TileRenderContext context)
-	{
-		if (hasItems()) {
-			renderer.renderItemOnTile(items.peek(), context);
-		}
-	}
+	public abstract void renderExtra(TileRenderContext context);
 	
 	
 	@Override
 	public void save(IonOutput out) throws IOException
 	{
-		out.writeIntByte(id);
-		
-		if (model.hasDroppedItems()) {
-			out.writeSequence(items);
-		}
-		
-		data.save(out);
+		out.writeBoolean(explored);
 	}
 	
 	
 	@Override
 	public void load(IonInput in) throws IOException
 	{
-		id = in.readIntByte();
-		
-		// if model changed
-		if (model == null || id != model.id) {
-			setModel(Tiles.get(id));
-		}
-		
-		if (model.hasDroppedItems()) {
-			in.readSequence(items);
-		}
-		
-		data.load(in);
+		explored = in.readBoolean();
 	}
 	
 	
-	/**
-	 * Update tile logic state (on server)
-	 * 
-	 * @param level the level
-	 * @param delta delta time
-	 */
-	public void update(Level level, double delta)
+	public final boolean isOccupied()
 	{
-		model.update(this, level, delta);
+		return occupied;
 	}
 	
 	
-	public boolean isWalkable()
+	public final void setOccupied(boolean occupied)
 	{
-		return model.isWalkable(this);
+		this.occupied = occupied;
 	}
 	
 	
-	public boolean isDoor()
+	public final boolean isExplored()
 	{
-		return model.isDoor();
+		return explored;
 	}
 	
 	
-	public boolean isNull()
+	public void setExplored()
 	{
-		return model.isNullTile();
+		explored = true;
 	}
 	
 	
-	public TileModel getModel()
+	public final boolean isNull()
 	{
-		return model;
+		return getType() == TileType.NULL;
 	}
 	
 	
-	public boolean hasItems()
+	public final boolean isWall()
 	{
-		return model.hasDroppedItems() && !items.isEmpty();
+		return getType() == TileType.WALL;
 	}
 	
 	
-	public boolean doesCastShadow()
+	public final boolean isFloor()
 	{
-		return model.doesCastShadow();
+		return getType() == TileType.FLOOR;
 	}
 	
 	
-	@Override
-	public short getIonMark()
+	public final boolean isDoor()
 	{
-		return ION_MARK;
+		return getType() == TileType.DOOR;
 	}
 	
 	
-	public boolean isOccupied()
-	{
-		return occupied;
-	}
+	public abstract void update(Level level, double delta);
 	
 	
-	public void setOccupied(boolean occupied)
-	{
-		this.occupied = occupied;
-	}
+	public abstract boolean isWalkable();
 	
 	
-	public boolean isWall()
-	{
-		return model.isWall();
-	}
+	public abstract boolean isPotentiallyWalkable();
 	
 	
-	public boolean isFloor()
-	{
-		return model.isFloor();
-	}
+	public abstract TileType getType();
 	
 	
-	public boolean isPotentiallyWalkable()
-	{
-		return model.isPotentiallyWalkable();
-	}
+	public abstract boolean canHaveItems();
 	
 	
-	public Color getMapColor()
-	{
-		return model.getMapColor(this);
-	}
+	public abstract boolean doesCastShadow();
 	
 	
-	public boolean isExplored()
-	{
-		return data.explored;
-	}
-	
+	public abstract boolean doesReceiveShadow();
 	
-	public void explore()
-	{
-		data.explored = true;
-	}
 	
+	public abstract Color getMapColor();
 	
-	public boolean doesReceiveShadow()
-	{
-		return model.doesReceiveShadow();
-	}
 }

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

@@ -1,54 +0,0 @@
-package mightypork.rogue.world.tile;
-
-
-import java.io.IOException;
-
-import mightypork.util.error.YouFuckedUpException;
-import mightypork.util.files.ion.IonBinary;
-import mightypork.util.files.ion.IonBundle;
-import mightypork.util.files.ion.IonInput;
-import mightypork.util.files.ion.IonOutput;
-
-
-public class TileData implements IonBinary {
-	
-	private static final byte BIT_EXPLORED = 1 << 0;
-	private static final byte BIT_LOCKED = 1 << 1;
-	
-	public boolean explored = false;
-	public boolean locked = false;
-	
-	public final IonBundle extra = new IonBundle();
-	
-	
-	@Override
-	public void load(IonInput in) throws IOException
-	{
-		final byte flags = in.readByte();
-		in.readBundle(extra);
-		
-		explored = (flags & BIT_EXPLORED) != 0;
-		locked = (flags & BIT_LOCKED) != 0;
-	}
-	
-	
-	@Override
-	public void save(IonOutput out) throws IOException
-	{
-		byte flags = 0;
-		if (explored) flags |= BIT_EXPLORED;
-		if (locked) flags |= BIT_LOCKED;
-		out.writeByte(flags);
-		
-		
-		out.writeBundle(extra);
-	}
-	
-	
-	@Override
-	public short getIonMark()
-	{
-		throw new YouFuckedUpException("TileData is not to be read from ION using mark.");
-	}
-	
-}

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

@@ -1,8 +1,9 @@
 package mightypork.rogue.world.tile;
 
 
-import mightypork.rogue.world.level.Level;
-import mightypork.util.math.color.Color;
+import java.io.IOException;
+import mightypork.util.files.ion.IonInput;
+import mightypork.util.files.ion.IonOutput;
 
 
 /**
@@ -10,79 +11,46 @@ import mightypork.util.math.color.Color;
  * 
  * @author MightyPork
  */
-public abstract class TileModel {
+public final class TileModel {
 	
 	/** Model ID */
 	public final int id;
-	public TileRenderer renderer = TileRenderer.NONE;
+	public final TileRenderer renderer;
+	public final Class<? extends Tile> tileClass;
 	
 	
-	public TileModel(int id)
+	public TileModel(int id, Class<? extends Tile> tile, TileRenderer renderer)
 	{
 		Tiles.register(id, this);
 		this.id = id;
-	}
-	
-	
-	public TileModel setRenderer(TileRenderer renderer)
-	{
 		this.renderer = renderer;
-		return this;
+		this.tileClass = tile;
 	}
 	
 	
 	/**
-	 * @return new tile of this type; if 100% invariant, can return cached one.
+	 * @return new tile of this type
 	 */
 	public Tile createTile()
 	{
-		return new Tile(this);
+		try {
+			return tileClass.getConstructor(int.class, TileRenderer.class).newInstance(id, renderer);
+		} catch (Exception e) {
+			throw new RuntimeException("Could not instantiate a tile.", e);
+		}
 	}
 	
 	
-	public abstract boolean isWalkable(Tile tile);
-	
-	
-	public abstract boolean isDoor();
-	
-	
-	public abstract boolean isWall();
-	
-	
-	public abstract boolean isFloor();
-	
-	
-	public abstract boolean doesCastShadow();
-
-
-	public abstract boolean doesReceiveShadow();
-	
-	
-	public boolean isNullTile()
+	public Tile loadTile(IonInput in) throws IOException
 	{
-		return false;
+		Tile t = createTile();
+		t.load(in);
+		return t;
 	}
 	
 	
-	/**
-	 * Update tile in world
-	 */
-	public abstract void update(Tile tile, Level level, double delta);
-	
-	
-	/**
-	 * @return true if this item can have dropped items
-	 */
-	public abstract boolean hasDroppedItems();
-	
-	
-	/**
-	 * @return true if walkable at some conditions (ie. floor, hidden door,
-	 *         locked door etc)
-	 */
-	public abstract boolean isPotentiallyWalkable();
-	
-	
-	public abstract Color getMapColor(Tile tile);
-	
+	public void saveTile(IonOutput out, Tile tile) throws IOException
+	{
+		tile.save(out);
+	}
 }

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

@@ -4,9 +4,7 @@ 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;
 
 
@@ -17,16 +15,12 @@ import mightypork.util.math.constraints.rect.Rect;
  */
 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) {
@@ -51,41 +45,10 @@ public abstract class TileRenderer {
 	}
 	
 	
-	/**
-	 * Update tile renderer
-	 * 
-	 * @param delta delta time
-	 */
-	public void update(double delta)
-	{
-		if (itemRenderer != null) {
-			itemRenderer.update(delta);
-		}
-	}
+	public abstract void renderTile(TileRenderContext context);
 	
 	
-	/**
-	 * Render the tile.
-	 * 
-	 * @param 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)
+	public void renderShadows(TileRenderContext context)
 	{
 		final TileRenderData trd = context.getTile().renderData;
 		
@@ -96,7 +59,7 @@ public abstract class TileRenderer {
 			
 			for (int i = 0; i < 8; i++) {
 				final Tile t2 = context.getAdjacentTile(Sides.get(i));
-				if (t2.doesCastShadow()) {
+				if (!t2.isNull() && t2.doesCastShadow()) {
 					trd.shadows |= Sides.bit(i);
 				}
 			}
@@ -120,9 +83,8 @@ public abstract class TileRenderer {
 	}
 	
 	
-	protected void renderUFog(TileRenderContext context)
+	public void renderUnexploredFog(TileRenderContext context)
 	{
-		
 		// TODO cache in tile, update neighbouring tiles upon "explored" flag changed.
 		
 		byte ufog = 0;
@@ -150,14 +112,4 @@ public abstract class TileRenderer {
 		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)
-	{
-		if (itemRenderer == null) {
-			itemRenderer = new DroppedItemRenderer();
-		}
-		
-		itemRenderer.render(item, context);
-	}
 }

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

@@ -0,0 +1,12 @@
+package mightypork.rogue.world.tile;
+
+
+/**
+ * Kinds of tiles
+ * 
+ * @author MightyPork
+ */
+public enum TileType
+{
+	NULL, FLOOR, WALL, DOOR;
+}

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

@@ -1,11 +1,18 @@
 package mightypork.rogue.world.tile;
 
 
-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 java.io.IOException;
+
 import mightypork.rogue.world.tile.renderers.BasicTileRenderer;
+import mightypork.rogue.world.tile.renderers.DoorTileRenderer;
+import mightypork.rogue.world.tile.renderers.NullTileRenderer;
+import mightypork.rogue.world.tile.tiles.DoorTile;
+import mightypork.rogue.world.tile.tiles.FloorTile;
+import mightypork.rogue.world.tile.tiles.NullTile;
+import mightypork.rogue.world.tile.tiles.WallTile;
+import mightypork.util.files.ion.IonInput;
+import mightypork.util.files.ion.IonOutput;
+
 
 /**
  * Tile registry
@@ -16,29 +23,13 @@ public final class Tiles {
 	
 	private static final TileModel[] tiles = new TileModel[256];
 	
-	public static final TileModel NULL = new NullTile(0);
-	
-	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 NULL = new TileModel(0, NullTile.class, new NullTileRenderer());
 	
-	public static final TileModel DOOR = new SimpleDoor(12);
+	public static final TileModel FLOOR_DARK = new TileModel(10, FloorTile.class, new BasicTileRenderer("tile.floor.dark"));
+	public static final TileModel WALL_BRICK = new TileModel(11, WallTile.class, new BasicTileRenderer("tile.wall.brick"));	
+	public static final TileModel DOOR = new TileModel(12, DoorTile.class, new DoorTileRenderer("tile.door.closed", "tile.door.open"));
 
 	
-//	public static final TileModel BRICK_FLOOR_VINES = new Floor(2).setTexture("tile.floor.mossy_bricks");
-//	public static final TileModel BRICK_WALL_VINES = new Wall(3).setTexture("tile.wall.mossy_bricks");
-//	
-//	public static final TileModel BRICK_FLOOR_RECT = new Floor(4).setTexture("tile.floor.rect_bricks");
-//	public static final TileModel BRICK_WALL_SMALL = new Wall(5).setTexture("tile.wall.small_bricks");
-//	
-//	public static final TileModel SANDSTONE_FLOOR = new Floor(6).setTexture("tile.floor.sandstone");
-//	public static final TileModel SANDSTONE_WALL = new Wall(7).setTexture("tile.wall.sandstone");
-//	
-//	public static final TileModel BRCOBBLE_FLOOR = new Floor(8).setTexture("tile.floor.brown_cobble");
-//	public static final TileModel BRCOBBLE_WALL = new Wall(9).setTexture("tile.wall.brown_cobble");
-//	
-//	public static final TileModel CRYSTAL_FLOOR = new Floor(10).setTexture("tile.floor.crystal");
-//	public static final TileModel CRYSTAL_WALL = new Wall(11).setTexture("tile.wall.crystal");
-	
 	public static void register(int id, TileModel model)
 	{
 		if (id < 0 || id >= tiles.length) { throw new IllegalArgumentException("Tile ID " + id + " is out of range."); }
@@ -57,4 +48,28 @@ public final class Tiles {
 		
 		return m;
 	}
+	
+	
+	public static Tile loadTile(IonInput in) throws IOException
+	{
+		int id = in.readIntByte();
+		
+		TileModel model = get(id);
+		return model.loadTile(in);
+	}
+	
+	
+	public static void saveTile(IonOutput out, Tile tile) throws IOException
+	{
+		out.writeIntByte(tile.id);
+		
+		TileModel model = get(tile.id);
+		model.saveTile(out, tile);
+	}
+
+
+	public static Tile create(int tileId)
+	{
+		return get(tileId).createTile();
+	}
 }

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

@@ -1,53 +0,0 @@
-package mightypork.rogue.world.tile.models;
-
-
-import mightypork.rogue.world.tile.Tile;
-
-
-/**
- * Null tile
- * 
- * @author MightyPork
- */
-public abstract class AbstractNullTile extends AbstractTile {
-	
-	private Tile inst;
-	
-	
-	public AbstractNullTile(int id)
-	{
-		super(id);
-	}
-	
-	
-	@Override
-	public boolean isNullTile()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public Tile createTile()
-	{
-		if (inst == null) {
-			inst = new Tile(this);
-		}
-		
-		return inst;
-	}
-	
-	
-	@Override
-	public boolean hasDroppedItems()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public boolean doesCastShadow()
-	{
-		return false;
-	}
-}

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

@@ -1,62 +0,0 @@
-package mightypork.rogue.world.tile.models;
-
-
-import mightypork.rogue.world.level.Level;
-import mightypork.rogue.world.tile.Tile;
-import mightypork.rogue.world.tile.TileModel;
-import mightypork.util.annotations.DefaultImpl;
-
-
-/**
- * Basic implementation of a tile.
- * 
- * @author MightyPork
- */
-public abstract class AbstractTile extends TileModel {
-	
-	public AbstractTile(int id)
-	{
-		super(id);
-	}
-	
-	
-	@Override
-	public boolean isWalkable(Tile tile)
-	{
-		return isPotentiallyWalkable();
-	}
-	
-	
-	@Override
-	public boolean isDoor()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public boolean isWall()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public boolean isFloor()
-	{
-		return false;
-	}
-	
-	@Override
-	public boolean doesReceiveShadow()
-	{
-		return isFloor();
-	}
-	
-	
-	@Override
-	@DefaultImpl
-	public void update(Tile tile, Level level, double delta)
-	{
-	}
-}

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

@@ -1,50 +0,0 @@
-package mightypork.rogue.world.tile.models;
-
-
-import mightypork.rogue.world.tile.Tile;
-import mightypork.util.math.color.Color;
-import mightypork.util.math.color.RGB;
-
-
-public class Floor extends AbstractTile {
-	
-	public Floor(int id)
-	{
-		super(id);
-	}
-	
-	
-	@Override
-	public boolean isPotentiallyWalkable()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public boolean hasDroppedItems()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public boolean doesCastShadow()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public boolean isFloor()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public Color getMapColor(Tile tile)
-	{
-		return RGB.GRAY_DARK;
-	}
-}

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

@@ -1,29 +0,0 @@
-package mightypork.rogue.world.tile.models;
-
-
-import mightypork.rogue.world.tile.Tile;
-import mightypork.util.math.color.Color;
-import mightypork.util.math.color.RGB;
-
-
-public class NullTile extends AbstractNullTile {
-	
-	public NullTile(int id)
-	{
-		super(id);
-	}
-	
-	
-	@Override
-	public boolean isPotentiallyWalkable()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public Color getMapColor(Tile tile)
-	{
-		return RGB.NONE;
-	}
-}

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

@@ -1,65 +0,0 @@
-package mightypork.rogue.world.tile.models;
-
-
-import mightypork.rogue.world.tile.Tile;
-import mightypork.rogue.world.tile.renderers.DoorRenderer;
-import mightypork.util.math.color.Color;
-import mightypork.util.math.color.PAL16;
-
-
-public class SimpleDoor extends AbstractTile {
-	
-	public SimpleDoor(int id)
-	{
-		super(id);
-		setRenderer(new DoorRenderer("tile.door.closed", "tile.door.open"));
-	}
-	
-	
-	@Override
-	public boolean isPotentiallyWalkable()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public boolean isWalkable(Tile tile)
-	{
-		return !isLocked(tile);
-	}
-	
-	
-	protected boolean isLocked(Tile tile)
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public boolean isDoor()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public boolean doesCastShadow()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public boolean hasDroppedItems()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public Color getMapColor(Tile tile)
-	{
-		return PAL16.NEWPOOP;
-	}
-}

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

@@ -1,55 +0,0 @@
-package mightypork.rogue.world.tile.models;
-
-
-import mightypork.rogue.world.tile.Tile;
-import mightypork.util.math.color.Color;
-import mightypork.util.math.color.RGB;
-
-
-/**
- * Template for wall tiles with no metadata
- * 
- * @author MightyPork
- */
-public class Wall extends AbstractTile {
-	
-	public Wall(int id)
-	{
-		super(id);
-	}
-	
-	
-	@Override
-	public final boolean hasDroppedItems()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public final boolean doesCastShadow()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public final boolean isWall()
-	{
-		return true;
-	}
-	
-	
-	@Override
-	public final boolean isPotentiallyWalkable()
-	{
-		return false;
-	}
-	
-	
-	@Override
-	public Color getMapColor(Tile tile)
-	{
-		return RGB.GRAY_LIGHT;
-	}
-}

src/mightypork/rogue/world/tile/renderers/DoorTileRenderer.java

@@ -10,13 +10,13 @@ import mightypork.rogue.world.tile.TileRenderer;
 import mightypork.util.math.constraints.rect.Rect;
 
 
-public class DoorRenderer extends TileRenderer {
+public class DoorTileRenderer extends TileRenderer {
 	
 	private final TxQuad closed;
 	private final TxQuad open;
 	
 	
-	public DoorRenderer(String quadClosed, String quadOpen)
+	public DoorTileRenderer(String quadClosed, String quadOpen)
 	{
 		this.closed = Res.getTxQuad(quadClosed);
 		this.open = Res.getTxQuad(quadOpen);

src/mightypork/rogue/world/tile/renderers/NullTileRenderer.java

@@ -8,7 +8,7 @@ import mightypork.rogue.world.tile.TileRenderer;
 public class NullTileRenderer extends TileRenderer {
 	
 	@Override
-	protected void renderTile(TileRenderContext context)
+	public void renderTile(TileRenderContext context)
 	{
 	}
 	

src/mightypork/rogue/world/tile/tiles/BasicTile.java

@@ -0,0 +1,58 @@
+package mightypork.rogue.world.tile.tiles;
+
+
+import mightypork.rogue.world.level.Level;
+import mightypork.rogue.world.level.render.TileRenderContext;
+import mightypork.rogue.world.tile.Tile;
+import mightypork.rogue.world.tile.TileRenderer;
+import mightypork.util.annotations.DefaultImpl;
+
+
+public abstract class BasicTile extends Tile {
+	
+	public BasicTile(int id, TileRenderer renderer)
+	{
+		super(id, renderer);
+	}
+	
+	
+	@Override
+	public boolean isWalkable()
+	{
+		return isPotentiallyWalkable();
+	}
+	
+	
+	@Override
+	public void renderTile(TileRenderContext context)
+	{
+		if (!isExplored()) return;
+		
+		renderer.renderTile(context);
+		
+		if (doesReceiveShadow()) renderer.renderShadows(context);
+		
+		renderer.renderUnexploredFog(context);
+	}
+	
+	
+	@Override
+	@DefaultImpl
+	public void renderExtra(TileRenderContext context)
+	{
+	}
+	
+	
+	@Override
+	@DefaultImpl
+	public void update(Level level, double delta)
+	{
+	}
+	
+	
+	@Override
+	public boolean doesReceiveShadow()
+	{
+		return !doesCastShadow();
+	}
+}

src/mightypork/rogue/world/tile/tiles/DoorTile.java

@@ -0,0 +1,46 @@
+package mightypork.rogue.world.tile.tiles;
+
+import mightypork.rogue.world.tile.TileRenderer;
+import mightypork.rogue.world.tile.TileType;
+import mightypork.util.math.color.Color;
+import mightypork.util.math.color.PAL16;
+
+
+public class DoorTile extends BasicTile {
+
+	public DoorTile(int id, TileRenderer renderer)
+	{
+		super(id, renderer);
+	}
+
+	@Override
+	public boolean isPotentiallyWalkable()
+	{
+		return true;
+	}
+
+	@Override
+	public TileType getType()
+	{
+		return TileType.DOOR;
+	}
+
+	@Override
+	public boolean canHaveItems()
+	{
+		return false;
+	}
+
+	@Override
+	public boolean doesCastShadow()
+	{
+		return true;
+	}
+
+	@Override
+	public Color getMapColor()
+	{
+		return PAL16.NEWPOOP;
+	}
+	
+}

src/mightypork/rogue/world/tile/tiles/FloorTile.java

@@ -0,0 +1,45 @@
+package mightypork.rogue.world.tile.tiles;
+
+
+import mightypork.rogue.world.tile.TileRenderer;
+import mightypork.rogue.world.tile.TileType;
+import mightypork.util.math.color.Color;
+import mightypork.util.math.color.RGB;
+
+
+public class FloorTile extends TileWithItems {
+	
+	public FloorTile(int id, TileRenderer renderer)
+	{
+		super(id, renderer);
+	}
+	
+	
+	@Override
+	public boolean isPotentiallyWalkable()
+	{
+		return true;
+	}
+	
+	
+	@Override
+	public TileType getType()
+	{
+		return TileType.FLOOR;
+	}
+	
+	
+	@Override
+	public boolean doesCastShadow()
+	{
+		return false;
+	}
+	
+	
+	@Override
+	public Color getMapColor()
+	{
+		return RGB.GRAY_DARK;
+	}
+	
+}

src/mightypork/rogue/world/tile/tiles/LockedDoorTile.java

@@ -0,0 +1,36 @@
+package mightypork.rogue.world.tile.tiles;
+
+
+import java.io.IOException;
+
+import mightypork.rogue.world.tile.TileRenderer;
+import mightypork.util.files.ion.IonInput;
+import mightypork.util.files.ion.IonOutput;
+
+
+public class LockedDoorTile extends DoorTile {
+	
+	public boolean locked = true;
+	
+	
+	public LockedDoorTile(int id, TileRenderer renderer)
+	{
+		super(id, renderer);
+	}
+	
+	
+	@Override
+	public void load(IonInput in) throws IOException
+	{
+		super.load(in);
+		locked = in.readBoolean();
+	}
+	
+	
+	@Override
+	public void save(IonOutput out) throws IOException
+	{
+		super.save(out);
+		out.writeBoolean(locked);
+	}
+}

src/mightypork/rogue/world/tile/tiles/NullTile.java

@@ -0,0 +1,86 @@
+package mightypork.rogue.world.tile.tiles;
+
+
+import mightypork.rogue.world.level.Level;
+import mightypork.rogue.world.level.render.TileRenderContext;
+import mightypork.rogue.world.tile.Tile;
+import mightypork.rogue.world.tile.TileRenderer;
+import mightypork.rogue.world.tile.TileType;
+import mightypork.util.math.color.Color;
+import mightypork.util.math.color.RGB;
+
+
+public class NullTile extends Tile {
+	
+	public NullTile(int id, TileRenderer renderer)
+	{
+		super(id, renderer);
+	}
+	
+	
+	@Override
+	public void update(Level level, double delta)
+	{
+	}
+	
+	
+	@Override
+	public void renderTile(TileRenderContext context)
+	{
+	}
+	
+	
+	@Override
+	public void renderExtra(TileRenderContext context)
+	{
+	}
+	
+	
+	@Override
+	public boolean isWalkable()
+	{
+		return false;
+	}
+	
+	
+	@Override
+	public boolean isPotentiallyWalkable()
+	{
+		return false;
+	}
+	
+	
+	@Override
+	public TileType getType()
+	{
+		return TileType.NULL;
+	}
+	
+	
+	@Override
+	public boolean canHaveItems()
+	{
+		return false;
+	}
+	
+	
+	@Override
+	public boolean doesCastShadow()
+	{
+		return false;
+	}
+	
+	
+	@Override
+	public boolean doesReceiveShadow()
+	{
+		return false;
+	}
+	
+	
+	@Override
+	public Color getMapColor()
+	{
+		return RGB.NONE;
+	}
+}

src/mightypork/rogue/world/tile/tiles/TileWithItems.java

@@ -0,0 +1,64 @@
+package mightypork.rogue.world.tile.tiles;
+
+
+import java.io.IOException;
+
+import mightypork.rogue.world.level.Level;
+import mightypork.rogue.world.level.render.TileRenderContext;
+import mightypork.rogue.world.tile.DroppedItemRenderer;
+import mightypork.rogue.world.tile.TileRenderer;
+import mightypork.util.files.ion.IonInput;
+import mightypork.util.files.ion.IonOutput;
+
+
+public abstract class TileWithItems extends BasicTile {
+	
+	private DroppedItemRenderer itemRenderer = new DroppedItemRenderer();
+	
+	
+	public TileWithItems(int id, TileRenderer renderer)
+	{
+		super(id, renderer);
+	}
+	
+	
+	@Override
+	public void renderExtra(TileRenderContext context)
+	{
+		if (!items.isEmpty()) {
+			itemRenderer.render(items.peek(), context);
+		}
+	}
+	
+	
+	@Override
+	public void update(Level level, double delta)
+	{
+		itemRenderer.update(delta);
+	}
+	
+	
+	@Override
+	public boolean canHaveItems()
+	{
+		return true;
+	}
+	
+	
+	@Override
+	public void save(IonOutput out) throws IOException
+	{
+		super.save(out);
+		
+		out.writeSequence(items);
+	}
+	
+	
+	@Override
+	public void load(IonInput in) throws IOException
+	{
+		super.load(in);
+		
+		in.readSequence(items);
+	}
+}

src/mightypork/rogue/world/tile/tiles/WallTile.java

@@ -0,0 +1,46 @@
+package mightypork.rogue.world.tile.tiles;
+
+import mightypork.rogue.world.tile.TileRenderer;
+import mightypork.rogue.world.tile.TileType;
+import mightypork.util.math.color.Color;
+import mightypork.util.math.color.RGB;
+
+
+public class WallTile extends BasicTile {
+
+	public WallTile(int id, TileRenderer renderer)
+	{
+		super(id, renderer);
+	}
+
+	@Override
+	public boolean isPotentiallyWalkable()
+	{
+		return false;
+	}
+
+	@Override
+	public TileType getType()
+	{
+		return TileType.WALL;
+	}
+
+	@Override
+	public boolean canHaveItems()
+	{
+		return false;
+	}
+
+	@Override
+	public boolean doesCastShadow()
+	{
+		return true;
+	}
+
+	@Override
+	public Color getMapColor()
+	{
+		return RGB.GRAY_LIGHT;
+	}
+	
+}

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

@@ -5,30 +5,11 @@ import java.io.IOException;
 
 
 /**
- * Binary ion object
+ * Binary ion object, with a mark = saveable / loadable on it's own
  * 
  * @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;
-	
+public interface IonBinary extends IonBinaryHeadless {
 	
 	/**
 	 * Get Ion mark byte.

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

@@ -0,0 +1,31 @@
+package mightypork.util.files.ion;
+
+
+import java.io.IOException;
+
+
+/**
+ * Binary ion object, with no mark = cannot be loaded on it's own
+ * 
+ * @author MightyPork
+ */
+public interface IonBinaryHeadless {
+	
+	/**
+	 * 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;
+}