v0.3.1: heaps are now always visible after being first seen

src/com/shatteredpixel/shatteredpixeldungeon/items/Heap.java

@@ -82,6 +82,7 @@ public class Heap implements Bundlable {
 	public int pos = 0;
 	
 	public ItemSprite sprite;
+	public boolean seen = false;
 	
 	public LinkedList<Item> items = new LinkedList<Item>();
 	
@@ -457,6 +458,7 @@ public class Heap implements Bundlable {
 	}
 
 	private static final String POS		= "pos";
+	private static final String SEEN	= "seen";
 	private static final String TYPE	= "type";
 	private static final String ITEMS	= "items";
 	
@@ -464,6 +466,7 @@ public class Heap implements Bundlable {
 	@Override
 	public void restoreFromBundle( Bundle bundle ) {
 		pos = bundle.getInt( POS );
+		seen = bundle.getBoolean( SEEN );
 		type = Type.valueOf( bundle.getString( TYPE ) );
 		items = new LinkedList<Item>( (Collection<Item>) ((Collection<?>) bundle.getCollection( ITEMS )) );
 		items.removeAll(Collections.singleton(null));
@@ -472,6 +475,7 @@ public class Heap implements Bundlable {
 	@Override
 	public void storeInBundle( Bundle bundle ) {
 		bundle.put( POS, pos );
+		bundle.put( SEEN, seen );
 		bundle.put( TYPE, type.toString() );
 		bundle.put( ITEMS, items );
 	}

src/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java

@@ -953,6 +953,10 @@ public abstract class Level implements Bundlable {
 			}
 		}
 
+		for (Heap heap : heaps.values())
+			if (!heap.seen && fieldOfView[heap.pos])
+				heap.seen = true;
+		
 		return fieldOfView;
 	}