hurt&death anim, item sheet (item sys still 2bd)

src/mightypork/gamecore/util/math/color/Color.java

@@ -66,7 +66,7 @@ public abstract class Color {
 	
 	
 	@FactoryMethod
-	public static final Color rgba(Num r, Num g, Num b)
+	public static final Color rgb(Num r, Num g, Num b)
 	{
 		return rgba(r, g, b, Num.ONE);
 	}

src/mightypork/rogue/Res.java

@@ -62,7 +62,7 @@ public final class Res {
 	private static void loadTextures()
 	{
 		GLTexture texture;
-		QuadGrid tiles;
+		QuadGrid grid;
 		
 		// gui
 		texture = textures.loadTexture("gui1", "/res/img/gui1.png", FilterMode.NEAREST, WrapMode.CLAMP);
@@ -72,15 +72,16 @@ public final class Res {
 		textures.addQuad("meat", gui.makeQuad(2, 0));
 		textures.addQuad("heart_on", gui.makeQuad(.0, 1, .5, .5));
 		textures.addQuad("heart_off", gui.makeQuad(.5, 1, .5, .5));
+		textures.addQuad("heart_half", gui.makeQuad(1, 1, .5, .5));
 		textures.addQuad("xp_on", gui.makeQuad(0, 1.5, .5, .5));
 		textures.addQuad("xp_off", gui.makeQuad(.5, 1.5, .5, .5));
 		textures.addQuad("panel", gui.makeQuad(0, 3.75, 4, .25));
 		
 		// sprites
 		texture = textures.loadTexture("mob", "/res/img/dudes.png", FilterMode.NEAREST, WrapMode.CLAMP);
-		tiles = texture.grid(8, 8);
-		textures.addSheet("sprite.player", tiles.makeSheet(0, 0, 4, 1));
-		textures.addSheet("sprite.rat", tiles.makeSheet(0, 1, 4, 1));
+		grid = texture.grid(8, 8);
+		textures.addSheet("sprite.player", grid.makeSheet(0, 0, 4, 1));
+		textures.addSheet("sprite.rat", grid.makeSheet(0, 1, 4, 1));
 		
 		// sprites
 		texture = textures.loadTexture("logo2", "/res/img/logo2.png", FilterMode.NEAREST, WrapMode.CLAMP);
@@ -88,38 +89,43 @@ public final class Res {
 		
 		// small sheet
 		texture = textures.loadTexture("tiles", "/res/img/tiles16.png", FilterMode.NEAREST, WrapMode.CLAMP);
-		tiles = texture.grid(8, 8);
+		grid = texture.grid(8, 8);
 		
-		textures.addSheet("tile.brick.floor", tiles.makeSheet(0, 1, 5, 1));
-		textures.addSheet("tile.brick.wall", tiles.makeSheet(0, 0, 8, 1));
+		textures.addSheet("tile.brick.floor", grid.makeSheet(0, 1, 5, 1));
+		textures.addSheet("tile.brick.wall", grid.makeSheet(0, 0, 8, 1));
 		
-		textures.addSheet("tile.brick.door.locked", tiles.makeSheet(1, 2, 1, 1));//TODO unique tx
-		textures.addSheet("tile.brick.door.closed", tiles.makeSheet(1, 2, 1, 1));
-		textures.addSheet("tile.brick.door.open", tiles.makeSheet(2, 2, 1, 1));
-		textures.addSheet("tile.brick.door.secret", tiles.makeSheet(0, 3, 2, 1));
+		textures.addSheet("tile.brick.door.locked", grid.makeSheet(1, 2, 1, 1));//TODO unique tx
+		textures.addSheet("tile.brick.door.closed", grid.makeSheet(1, 2, 1, 1));
+		textures.addSheet("tile.brick.door.open", grid.makeSheet(2, 2, 1, 1));
+		textures.addSheet("tile.brick.door.secret", grid.makeSheet(0, 3, 2, 1));
 		
-		textures.addSheet("tile.brick.passage", tiles.makeSheet(3, 2, 4, 1));
+		textures.addSheet("tile.brick.passage", grid.makeSheet(3, 2, 4, 1));
 		
-		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(1, 7));
-		textures.addQuad("tile.shadow.e", tiles.makeQuad(1, 7).flipX());
+		textures.addQuad("tile.shadow.n", grid.makeQuad(0, 7));
+		textures.addQuad("tile.shadow.s", grid.makeQuad(0, 7).flipY());
+		textures.addQuad("tile.shadow.w", grid.makeQuad(1, 7));
+		textures.addQuad("tile.shadow.e", grid.makeQuad(1, 7).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());
+		textures.addQuad("tile.shadow.nw", grid.makeQuad(2, 7));
+		textures.addQuad("tile.shadow.ne", grid.makeQuad(2, 7).flipX());
+		textures.addQuad("tile.shadow.sw", grid.makeQuad(2, 7).flipY());
+		textures.addQuad("tile.shadow.se", grid.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());
+		textures.addQuad("tile.ufog.n", grid.makeQuad(3, 7));
+		textures.addQuad("tile.ufog.s", grid.makeQuad(3, 7).flipY());
+		textures.addQuad("tile.ufog.w", grid.makeQuad(4, 7));
+		textures.addQuad("tile.ufog.e", grid.makeQuad(4, 7).flipX());
+		
+		textures.addQuad("tile.ufog.nw", grid.makeQuad(5, 7));
+		textures.addQuad("tile.ufog.ne", grid.makeQuad(5, 7).flipX());
+		textures.addQuad("tile.ufog.sw", grid.makeQuad(5, 7).flipY());
+		textures.addQuad("tile.ufog.se", grid.makeQuad(5, 7).flipY().flipX());
+		
+		
+		texture = textures.loadTexture("items", "/res/img/items16.png", FilterMode.NEAREST, WrapMode.CLAMP);
+		grid = texture.grid(8, 8);
+		textures.addQuad("item.meat", grid.makeQuad(0, 0));
 	}
 	
 	

src/mightypork/rogue/screens/game/HeartBar.java

@@ -14,8 +14,9 @@ public class HeartBar extends VisualComponent {
 	
 	private final TxQuad img_on;
 	private final TxQuad img_off;
-	private final int total;
-	private final int active;
+	private final TxQuad img_half;
+	private Num total;
+	private Num active;
 	
 	NumVar index = new NumVar(0);
 	Rect heart;
@@ -25,16 +26,18 @@ public class HeartBar extends VisualComponent {
 	 * @param total
 	 * @param active
 	 * @param img_on
+	 * @param img_half
 	 * @param img_off
 	 * @param align
 	 */
-	public HeartBar(int total, int active, TxQuad img_on, TxQuad img_off, AlignX align)
+	public HeartBar(Num total, Num active, TxQuad img_on, TxQuad img_half, TxQuad img_off, AlignX align)
 	{
 		super();
 		this.total = total;
 		this.active = active;
 		this.img_on = img_on;
 		this.img_off = img_off;
+		this.img_half = img_half;
 		
 		final Num h = height();
 		final Num w = width();
@@ -44,10 +47,10 @@ public class HeartBar extends VisualComponent {
 				heart = leftEdge().growRight(h).moveX(index.mul(h));
 				break;
 			case RIGHT:
-				heart = rightEdge().growLeft(h).moveX(h.mul(-total + 1).add(index.mul(h)));
+				heart = rightEdge().growLeft(h).moveX(h.mul(Num.ONE.sub(total)).add(index.mul(h)));
 				break;
 			case CENTER:
-				heart = leftEdge().moveX(w.half().add(h.mul(-total / 2D))).growRight(h).moveX(index.mul(h));
+				heart = leftEdge().moveX(w.half().add(h.mul(total.half().neg()))).growRight(h).moveX(index.mul(h));
 				break;
 		}
 		
@@ -57,10 +60,12 @@ public class HeartBar extends VisualComponent {
 	@Override
 	protected void renderComponent()
 	{
-		for (int i = 0; i < total; i++) {
+		for (int i = 0; i < total.value(); i++) {
 			index.setTo(i);
 			
-			Render.quadTextured(heart, (i < active ? img_on : img_off));
+			double rem = active.value()-i;
+			
+			Render.quadTextured(heart, (rem>0.6 ? img_on : rem>0.25 ? img_half: img_off));
 		}
 	}
 	

src/mightypork/rogue/screens/game/HudLayer.java

@@ -11,11 +11,31 @@ import mightypork.gamecore.input.Keys;
 import mightypork.gamecore.util.math.constraints.num.Num;
 import mightypork.gamecore.util.math.constraints.rect.Rect;
 import mightypork.rogue.Res;
+import mightypork.rogue.world.WorldProvider;
 import mightypork.rogue.world.gui.Minimap;
 
 
 public class HudLayer extends ScreenLayer {
 	
+	private Num playerHealthTotal = new Num() {
+		
+		@Override
+		public double value()
+		{
+			return WorldProvider.get().getPlayerEntity().health.getMaxHealth() / 2D;
+		}
+	};
+	
+	private Num playerHealthActive = new Num() {
+		
+		@Override
+		public double value()
+		{
+			return WorldProvider.get().getPlayerEntity().health.getHealth() / 2D;
+		}
+	};
+	
+	
 	public HudLayer(Screen screen)
 	{
 		super(screen);
@@ -38,15 +58,25 @@ public class HudLayer extends ScreenLayer {
 		final Rect shrunk = root.shrink(minWH.perc(3));
 		final Num displays_height = minWH.perc(6);
 		
-		final HeartBar hearts = new HeartBar(6, 3, Res.getTxQuad("heart_on"), Res.getTxQuad("heart_off"), AlignX.LEFT);
+		//@formatter:off
+		final HeartBar hearts = new HeartBar(
+				playerHealthTotal,
+				playerHealthActive,
+				Res.getTxQuad("heart_on"),
+				Res.getTxQuad("heart_half"),
+				Res.getTxQuad("heart_off"),
+				AlignX.LEFT);
+		//@formatter:on
+		
+		
 		final Rect hearts_box = shrunk.topLeft().startRect().growDown(displays_height);
 		hearts.setRect(hearts_box);
 		root.add(hearts);
 		
-		final HeartBar experience = new HeartBar(6, 2, Res.getTxQuad("xp_on"), Res.getTxQuad("xp_off"), AlignX.RIGHT);
+		/*final HeartBar experience = new HeartBar(6, 2, Res.getTxQuad("xp_on"), Res.getTxQuad("xp_off"), AlignX.RIGHT);
 		final Rect xp_box = shrunk.topRight().startRect().growDown(displays_height);
 		experience.setRect(xp_box);
-		root.add(experience);
+		root.add(experience);*/
 		
 		
 		final Minimap mm = new Minimap();

src/mightypork/rogue/world/entity/Entity.java

@@ -5,6 +5,7 @@ import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Random;
 
 import mightypork.gamecore.eventbus.events.Updateable;
 import mightypork.gamecore.util.annot.DefaultImpl;
@@ -31,6 +32,8 @@ public abstract class Entity implements IonObjBundled, Updateable {
 	private Level level;
 	private final EntityModel model;
 	
+	protected final Random rand = new Random();
+	
 	/** Entity ID */
 	private int entityId;
 	
@@ -39,11 +42,11 @@ public abstract class Entity implements IonObjBundled, Updateable {
 	// default modules
 	public final EntityModulePosition pos = new EntityModulePosition(this);
 	public final EntityModuleHealth health = new EntityModuleHealth(this);
+	private double despawnDelay = 1;
 	
 	
 	public Entity(EntityModel model, int eid)
 	{
-		
 		this.entityId = eid;
 		this.model = model;
 		
@@ -218,16 +221,7 @@ public abstract class Entity implements IonObjBundled, Updateable {
 	@DefaultImpl
 	public boolean canRemoveCorpse()
 	{
-		return isDead();
-	}
-	
-	
-	/**
-	 * Called when the dead entity was removed from the level.
-	 */
-	@DefaultImpl
-	public void onCorpseRemoved()
-	{
+		return isDead() && health.getTimeSinceLastDamage() > despawnDelay;
 	}
 	
 	
@@ -244,4 +238,10 @@ public abstract class Entity implements IonObjBundled, Updateable {
 		health.receiveDamage(attackStrength);
 	}
 	
+	
+	public void setDespawnDelay(double despawnDelay)
+	{
+		this.despawnDelay = despawnDelay;
+	}
+	
 }

src/mightypork/rogue/world/entity/entities/MonsterAi.java

@@ -179,6 +179,11 @@ public class MonsterAi extends EntityModule implements EntityMoveListener {
 		
 		if (chasing && !entity.pos.isMoving()) {
 			final Entity prey = getPreyEntity();
+			if(prey==null) {
+				// prey killed and cleaned from level
+				stopChasing();
+				return;
+			}
 			
 			if (!isPreyInAttackRange(prey)) {
 				//System.out.println("-upd STEP--");
@@ -214,10 +219,7 @@ public class MonsterAi extends EntityModule implements EntityMoveListener {
 			}
 			
 			startChasing(prey);
-		} else {
-			//System.out.println("-- Prey is null.");
 		}		
-		
 	}
 	
 	

src/mightypork/rogue/world/entity/entities/PlayerEntity.java

@@ -21,8 +21,10 @@ public class PlayerEntity extends Entity {
 		public PlayerAi(Entity entity)
 		{
 			super(entity);
-			health.setMaxHealth(24);
-			health.fill();
+			setDespawnDelay(3);
+			
+			health.setMaxHealth(12);
+			health.fill(); // fill health bar to max
 		}
 		
 		
@@ -117,9 +119,9 @@ public class PlayerEntity extends Entity {
 		return EntityType.PLAYER;
 	}
 	
-	@Override
-	public void receiveAttack(Entity attacker, int attackStrength)
-	{
-		// FIXME ignore attack 
-	}
+//	@Override
+//	public void receiveAttack(Entity attacker, int attackStrength)
+//	{
+//		// FIXME ignore attack 
+//	}
 }

src/mightypork/rogue/world/entity/entities/RatAi.java

@@ -11,8 +11,8 @@ public class RatAi extends MonsterAi {
 		super(entity);
 		
 		setAttackTime(1);
-		setScanTime(2);
-		setSleepTime(100);
+		setScanTime(1);
+		setSleepTime(10);
 	}
 	
 	
@@ -33,7 +33,7 @@ public class RatAi extends MonsterAi {
 	@Override
 	protected int getAttackStrength()
 	{
-		return 1 + rand.nextInt(2);
+		return 1 + (rand.nextInt(5) == 0 ? 1 : 0);
 	}
 	
 	

src/mightypork/rogue/world/entity/entities/RatEntity.java

@@ -28,6 +28,10 @@ public class RatEntity extends Entity {
 		pos.addMoveListener(ai);
 		
 		pos.setStepTime(0.5);
+		setDespawnDelay(3);
+		
+		health.setMaxHealth(3 + rand.nextInt(3));
+		health.fill(); // fill health bar to max
 	}
 	
 	

src/mightypork/rogue/world/entity/modules/EntityModuleHealth.java

@@ -21,6 +21,8 @@ public class EntityModuleHealth extends EntityModule {
 	protected int maxHealth = 1;
 	protected boolean dead = false;
 	
+	private double timeSinceLastDamage = Integer.MAX_VALUE;
+	
 	
 	@Override
 	public void load(IonBundle bundle) throws IOException
@@ -93,6 +95,7 @@ public class EntityModuleHealth extends EntityModule {
 	public void receiveDamage(int attackStrength)
 	{
 		setHealth(health - attackStrength);
+		timeSinceLastDamage = 0;
 	}
 	
 	
@@ -101,4 +104,19 @@ public class EntityModuleHealth extends EntityModule {
 		setHealth(maxHealth);
 	}
 	
+	
+	@Override
+	public void update(double delta)
+	{
+		if(timeSinceLastDamage < 3600) timeSinceLastDamage += delta;
+	}
+	
+	
+	/**
+	 * @return seconds since last attack received (can be used for rendering)
+	 */
+	public double getTimeSinceLastDamage()
+	{
+		return timeSinceLastDamage;
+	}
 }

src/mightypork/rogue/world/entity/modules/EntityModulePosition.java

@@ -43,6 +43,7 @@ public class EntityModulePosition extends EntityModule {
 	public void save(IonBundle bundle) throws IOException
 	{
 		bundle.putSequence("path", path);
+		bundle.putBundled("lpos", lastPos);
 		bundle.putBundled("pos", entityPos);
 		bundle.put("step_time", stepTime);
 	}
@@ -52,6 +53,7 @@ public class EntityModulePosition extends EntityModule {
 	public void load(IonBundle bundle) throws IOException
 	{
 		bundle.loadSequence("path", path);
+		bundle.loadBundled("lpos", lastPos);
 		bundle.loadBundled("pos", entityPos);
 		
 		stepTime = bundle.get("step_time", stepTime);
@@ -67,9 +69,29 @@ public class EntityModulePosition extends EntityModule {
 	
 	public void setCoord(Coord coord)
 	{
+		freeTile(); // release old tile
+		
 		entityPos.setTo(coord);
 		lastPos.setTo(coord);
 		cancelPath(); // discard remaining steps
+		
+		occupyTile();
+	}
+	
+	
+	public void occupyTile()
+	{
+		if (entity.getLevel() != null) {
+			entity.getLevel().occupyTile(getCoord());
+		}
+	}
+	
+	
+	public void freeTile()
+	{
+		if (entity.getLevel() != null) {
+			entity.getLevel().freeTile(getCoord());
+		}
 	}
 	
 	
@@ -79,6 +101,8 @@ public class EntityModulePosition extends EntityModule {
 	@Override
 	public void update(double delta)
 	{
+		if (entity.isDead()) return; // corpses dont walk
+		
 		if (!entityPos.isFinished()) {
 			entityPos.update(delta);
 		}
@@ -119,10 +143,10 @@ public class EntityModulePosition extends EntityModule {
 				if (step.x() != 0) this.lastXDir = step.x();
 				if (step.y() != 0) this.lastYDir = step.y();
 				
+				freeTile();
 				lastPos.setTo(entityPos.getCoord());
-				entity.getLevel().freeTile(lastPos);//
 				entityPos.walk(step, stepTime);
-				entity.getLevel().occupyTile(planned);
+				occupyTile();
 			}
 		}
 	}

src/mightypork/rogue/world/entity/renderers/EntityRendererMobLR.java

@@ -5,6 +5,13 @@ import mightypork.gamecore.render.Render;
 import mightypork.gamecore.resources.textures.TxQuad;
 import mightypork.gamecore.resources.textures.TxSheet;
 import mightypork.gamecore.util.math.Calc;
+import mightypork.gamecore.util.math.Easing;
+import mightypork.gamecore.util.math.color.Color;
+import mightypork.gamecore.util.math.color.pal.RGB;
+import mightypork.gamecore.util.math.constraints.num.Num;
+import mightypork.gamecore.util.math.constraints.num.NumConst;
+import mightypork.gamecore.util.math.constraints.num.mutable.NumAnimated;
+import mightypork.gamecore.util.math.constraints.num.mutable.NumVar;
 import mightypork.gamecore.util.math.constraints.rect.Rect;
 import mightypork.gamecore.util.math.constraints.vect.Vect;
 import mightypork.rogue.Res;
@@ -24,6 +31,10 @@ public class EntityRendererMobLR extends EntityRenderer {
 	
 	protected final Entity entity;
 	
+	private NumVar animRedVar = Num.makeVar(0);
+	
+	private Color hue = Color.rgb(Num.ONE, animRedVar, animRedVar);
+	
 	
 	public EntityRendererMobLR(Entity entity, String sheetKey)
 	{
@@ -35,6 +46,8 @@ public class EntityRendererMobLR extends EntityRenderer {
 	@Override
 	public void render(MapRenderContext context)
 	{
+		double hurtTime = entity.health.getTimeSinceLastDamage();
+		
 		TxQuad q = sheet.getQuad(Calc.frag(entity.pos.getProgress()));
 		
 		if (entity.pos.lastXDir == -1) q = q.flipX();
@@ -43,9 +56,25 @@ public class EntityRendererMobLR extends EntityRenderer {
 		final double w = tileRect.width().value();
 		final Vect visualPos = entity.pos.getVisualPos();
 		
-		Rect spriteRect = Rect.make(visualPos.x() * w, visualPos.y() * w, w, w);
+		double hurtOffset = (1 - Calc.clamp(hurtTime / 0.1, 0, 1)) * (entity.isDead() ? 0.3 : 0.05);
+		
+		
+		Rect spriteRect = Rect.make(visualPos.x() * w, (visualPos.y() - hurtOffset) * w, w, w);
 		spriteRect = spriteRect.shrink(w * 0.05);
 		
-		Render.quadTextured(spriteRect, q);
+		animRedVar.setTo(hurtTime / 0.3);
+		
+		Render.pushMatrix();
+		
+		Render.translate(spriteRect.center());
+		
+		if (entity.isDead()) {
+			Render.rotateZ(Calc.clamp(hurtTime / 0.3, 0, 1) * 90);
+		}
+		
+		double hw = spriteRect.width().half().value();
+		
+		Render.quadTextured(Vect.ZERO.expand(hw, hw, hw, hw), q, hue.withAlpha(entity.isDead() ? 1 - hurtTime / 3 : 1));
+		Render.popMatrix();
 	}
 }

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

@@ -2,11 +2,9 @@ package mightypork.rogue.world.level;
 
 
 import java.io.IOException;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
+
+import javax.print.attribute.standard.MediaSize.ISO;
 
 import mightypork.gamecore.logging.Log;
 import mightypork.gamecore.util.ion.IonBundle;
@@ -218,8 +216,15 @@ public class Level implements MapAccess, IonObjBinary {
 			}
 		}
 		
+		List<Entity> toRemove = new ArrayList<>();
+		
 		for (final Entity e : entitySet) {
 			e.update(delta);
+			if (e.isDead() && e.canRemoveCorpse()) toRemove.add(e);
+		}
+		
+		for (Entity e : toRemove) {
+			removeEntity(e);
 		}
 	}
 	
@@ -251,7 +256,7 @@ public class Level implements MapAccess, IonObjBinary {
 	public boolean addEntity(Entity entity, Coord pos)
 	{
 		final Tile t = getTile(pos);
-		if (!t.isWalkable()) return false;
+		if (!t.isWalkable() || isOccupied(pos)) return false;
 		
 		addEntity(entity);
 		
@@ -273,13 +278,13 @@ public class Level implements MapAccess, IonObjBinary {
 		
 		// join to level & world
 		entity.setLevel(this);
+		occupyTile(entity.getCoord());
 	}
 	
 	
 	public void removeEntity(Entity entity)
 	{
-		entityMap.remove(entity.getEntityId());
-		entitySet.remove(entity);
+		removeEntity(entity.getEntityId());
 	}
 	
 	
@@ -287,6 +292,7 @@ public class Level implements MapAccess, IonObjBinary {
 	{
 		final Entity removed = entityMap.remove(eid);
 		entitySet.remove(removed);
+		freeTile(removed.getCoord());
 	}
 	
 	
@@ -316,14 +322,13 @@ public class Level implements MapAccess, IonObjBinary {
 	}
 	
 	
-	public void cleanCorpses()
+	/**
+	 * @param pos tile coord
+	 * @return true if something is standing there.
+	 */
+	public boolean isOccupied(Coord pos)
 	{
-		for (final Entity e : entitySet) {
-			if (e.isDead() && e.canRemoveCorpse()) {
-				e.onCorpseRemoved();
-				removeEntity(e);
-			}
-		}
+		return getTile(pos).isOccupied();
 	}