v0.2.3d: further tweaks, now actually fixes blacksmith bug

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

@@ -59,8 +59,8 @@ public class CavesLevel extends RegularLevel {
 	}
 	
 	@Override
-	protected boolean build() {
-		if (!super.build()) return false;
+	protected boolean assignRoomType() {
+		super.assignRoomType();
 
 		if (!Blacksmith.Quest.spawn( rooms ) && Dungeon.depth == 14)
 			return false;

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

@@ -54,7 +54,7 @@ public class CityLevel extends RegularLevel {
 	}
 	
 	@Override
-	protected void assignRoomType() {
+	protected boolean assignRoomType() {
 		super.assignRoomType();
 		
 		for (Room r : rooms) {
@@ -62,6 +62,8 @@ public class CityLevel extends RegularLevel {
 				r.type = Type.PASSAGE;
 			}
 		}
+
+		return true;
 	}
 	
 	@Override

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

@@ -55,7 +55,7 @@ public class PrisonLevel extends RegularLevel {
 	}
 	
 	@Override
-	protected void assignRoomType() {
+	protected boolean assignRoomType() {
 		super.assignRoomType();
 		
 		for (Room r : rooms) {
@@ -63,6 +63,8 @@ public class PrisonLevel extends RegularLevel {
 				r.type = Type.PASSAGE;
 			}
 		}
+
+		return true;
 	}
 	
 	@Override

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

@@ -148,7 +148,8 @@ public abstract class RegularLevel extends Level {
             //sorry warden, no lucky sungrass or blandfruit seeds for you!
             specials.remove( Room.Type.GARDEN );
         }
-		assignRoomType();
+		if (!assignRoomType())
+			return false;
 		
 		paint();
 		paintWater();
@@ -178,7 +179,7 @@ public abstract class RegularLevel extends Level {
 		return true;
 	}
 	
-	protected void assignRoomType() {
+	protected boolean assignRoomType() {
 		
 		int specialRooms = 0;
 
@@ -266,6 +267,8 @@ public abstract class RegularLevel extends Level {
 				count++;
 			}
 		}
+
+		return true;
 	}
 	
 	protected void paintWater() {