Reworked tile system

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

@@ -7,7 +7,7 @@ import java.util.Stack;
 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.annotations.DefaultImpl;
 import mightypork.util.files.ion.IonBinaryHeadless;
 import mightypork.util.files.ion.IonInput;
 import mightypork.util.files.ion.IonOutput;
@@ -31,14 +31,12 @@ public abstract class Tile implements IonBinaryHeadless {
 	
 	protected final Stack<Item> items = new Stack<>();
 	
-	
 	// temporary flag for map.
 	protected boolean occupied;
 	protected boolean explored;
 	
 	
-	public Tile(int id, TileRenderer renderer)
-	{
+	public Tile(int id, TileRenderer renderer) {
 		this.id = id;
 		this.renderer = renderer;
 	}
@@ -47,7 +45,17 @@ public abstract class Tile implements IonBinaryHeadless {
 	/**
 	 * Render the tile, using the main texture sheet.
 	 */
-	public abstract void renderTile(TileRenderContext context);
+	@DefaultImpl
+	public void renderTile(TileRenderContext context)
+	{
+		if (!isExplored()) return;
+		
+		renderer.renderTile(context);
+		
+		if (doesReceiveShadow()) renderer.renderShadows(context);
+		
+		renderer.renderUnexploredFog(context);
+	}
 	
 	
 	/**
@@ -56,7 +64,8 @@ public abstract class Tile implements IonBinaryHeadless {
 	 * 
 	 * @param context
 	 */
-	public abstract void renderExtra(TileRenderContext context);
+	@DefaultImpl
+	public void renderExtra(TileRenderContext context) {}
 	
 	
 	@Override
@@ -121,27 +130,69 @@ public abstract class Tile implements IonBinaryHeadless {
 	}
 	
 	
-	public abstract void update(Level level, double delta);
+	@DefaultImpl
+	public void update(Level level, double delta)
+	{
+	}
 	
 	
-	public abstract boolean isWalkable();
+	/**
+	 * Check if this tile is right now walkable.<br>
+	 * If type is not potentially walkable, this method must return false.
+	 * 
+	 * @return true if currently walkable
+	 */
+	@DefaultImpl
+	public boolean isWalkable()
+	{
+		return isPotentiallyWalkable();
+	}
 	
 	
-	public abstract boolean isPotentiallyWalkable();
+	public final boolean isPotentiallyWalkable()
+	{
+		return getType().isPotentiallyWalkable();
+	}
 	
 	
 	public abstract TileType getType();
 	
 	
-	public abstract boolean canHaveItems();
+	public abstract boolean doesCastShadow();
 	
 	
-	public abstract boolean doesCastShadow();
+	@DefaultImpl
+	public boolean doesReceiveShadow()
+	{
+		return !doesCastShadow();
+	}
+	
+	
+	public final Color getMapColor()
+	{
+		return getType().getMapColor();
+	}
+	
+	
+	/**
+	 * Drop item onto this tile
+	 * 
+	 * @param item
+	 * @return true if dropped
+	 */
+	public abstract boolean dropItem(Item item);
 	
 	
-	public abstract boolean doesReceiveShadow();
+	/**
+	 * Remove an item from this tile
+	 * @return the picked item, or null if none
+	 */
+	public abstract Item pickItem();
 	
 	
-	public abstract Color getMapColor();
+	/**
+	 * @return true if the tile has dropped items
+	 */
+	public abstract boolean hasItem();
 	
 }

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

@@ -1,6 +1,11 @@
 package mightypork.rogue.world.tile;
 
 
+import mightypork.util.math.color.Color;
+import mightypork.util.math.color.PAL16;
+import mightypork.util.math.color.RGB;
+
+
 /**
  * Kinds of tiles
  * 
@@ -8,5 +13,33 @@ package mightypork.rogue.world.tile;
  */
 public enum TileType
 {
-	NULL, FLOOR, WALL, DOOR;
+	/** No tile */
+	NULL(RGB.NONE, false),
+	/** Floor tile */
+	FLOOR(RGB.GRAY_DARK, true),
+	/** Wall tile */
+	WALL(RGB.GRAY_LIGHT, false),
+	/** Door/gate tile */
+	DOOR(PAL16.NEWPOOP, true);
+	
+	private final Color mapColor;
+	private final boolean potentiallyWalkable;
+	
+	
+	private TileType(Color mapColor, boolean potentiallyWalkable) {
+		this.mapColor = mapColor;
+		this.potentiallyWalkable = potentiallyWalkable;
+	}
+	
+	
+	public Color getMapColor()
+	{
+		return mapColor;
+	}
+	
+	
+	public boolean isPotentiallyWalkable()
+	{
+		return potentiallyWalkable;
+	}
 }

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

@@ -1,58 +0,0 @@
-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

@@ -1,20 +1,18 @@
 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 class DoorTile extends SolidTile {
 	
-	public DoorTile(int id, TileRenderer renderer)
-	{
+	public DoorTile(int id, TileRenderer renderer) {
 		super(id, renderer);
 	}
 	
 	@Override
-	public boolean isPotentiallyWalkable()
+	public boolean isWalkable()
 	{
 		return true;
 	}
@@ -24,23 +22,4 @@ public class DoorTile extends BasicTile {
 	{
 		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

@@ -3,11 +3,9 @@ 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 class FloorTile extends GroundTile {
 	
 	public FloorTile(int id, TileRenderer renderer)
 	{
@@ -15,31 +13,9 @@ public class FloorTile extends TileWithItems {
 	}
 	
 	
-	@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/GroundTile.java

@@ -3,20 +3,22 @@ package mightypork.rogue.world.tile.tiles;
 
 import java.io.IOException;
 
+import mightypork.rogue.world.item.Item;
 import mightypork.rogue.world.level.Level;
 import mightypork.rogue.world.level.render.TileRenderContext;
 import mightypork.rogue.world.tile.DroppedItemRenderer;
+import mightypork.rogue.world.tile.Tile;
 import mightypork.rogue.world.tile.TileRenderer;
 import mightypork.util.files.ion.IonInput;
 import mightypork.util.files.ion.IonOutput;
 
 
-public abstract class TileWithItems extends BasicTile {
+public abstract class GroundTile extends Tile {
 	
 	private DroppedItemRenderer itemRenderer = new DroppedItemRenderer();
 	
 	
-	public TileWithItems(int id, TileRenderer renderer)
+	public GroundTile(int id, TileRenderer renderer)
 	{
 		super(id, renderer);
 	}
@@ -38,13 +40,6 @@ public abstract class TileWithItems extends BasicTile {
 	}
 	
 	
-	@Override
-	public boolean canHaveItems()
-	{
-		return true;
-	}
-	
-	
 	@Override
 	public void save(IonOutput out) throws IOException
 	{
@@ -61,4 +56,36 @@ public abstract class TileWithItems extends BasicTile {
 		
 		in.readSequence(items);
 	}
+	
+	@Override
+	public boolean doesCastShadow()
+	{
+		return false;
+	}
+	
+	@Override
+	public boolean isWalkable()
+	{
+		return true;
+	}
+	
+	@Override
+	public boolean dropItem(Item item)
+	{
+		items.push(item);
+		return true;
+	}
+	
+	@Override
+	public Item pickItem()
+	{
+		return hasItem() ? items.pop() : null;
+	}
+	
+	@Override
+	public boolean hasItem()
+	{
+		return !items.isEmpty();
+	}
+	
 }

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

@@ -1,13 +1,12 @@
 package mightypork.rogue.world.tile.tiles;
 
 
+import mightypork.rogue.world.item.Item;
 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 {
@@ -44,43 +43,42 @@ public class NullTile extends Tile {
 	
 	
 	@Override
-	public boolean isPotentiallyWalkable()
+	public TileType getType()
 	{
-		return false;
+		return TileType.NULL;
 	}
 	
 	
 	@Override
-	public TileType getType()
+	public boolean doesCastShadow()
 	{
-		return TileType.NULL;
+		return false;
 	}
 	
 	
 	@Override
-	public boolean canHaveItems()
+	public boolean doesReceiveShadow()
 	{
 		return false;
 	}
 
-	
 	@Override
-	public boolean doesCastShadow()
+	public boolean dropItem(Item item)
 	{
 		return false;
 	}
 
 
 	@Override
-	public boolean doesReceiveShadow()
+	public Item pickItem()
 	{
-		return false;
+		return null;
 	}
 
 
 	@Override
-	public Color getMapColor()
+	public boolean hasItem()
 	{
-		return RGB.NONE;
+		return false;
 	}
 }

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

@@ -0,0 +1,43 @@
+package mightypork.rogue.world.tile.tiles;
+
+import mightypork.rogue.world.item.Item;
+import mightypork.rogue.world.tile.Tile;
+import mightypork.rogue.world.tile.TileRenderer;
+
+
+public abstract class SolidTile extends Tile {
+
+	public SolidTile(int id, TileRenderer renderer) {
+		super(id, renderer);
+	}
+	
+	@Override
+	public boolean isWalkable()
+	{
+		return false;
+	}
+
+	@Override
+	public boolean doesCastShadow()
+	{
+		return true;
+	}
+
+	@Override
+	public boolean hasItem()
+	{
+		return false;
+	}
+	
+	@Override
+	public boolean dropItem(Item item)
+	{
+		return false;
+	}
+	
+	@Override
+	public Item pickItem()
+	{
+		return null;
+	}
+}

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

@@ -2,45 +2,18 @@ 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 class WallTile extends SolidTile {
 
 	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;
-	}
-	
 }