v0.7.0a: bugfixes:

- fixed crashes when tengu is healed and then damaged
- fixed deaths to arcane and shrapnel bombs not appearing in rankings
- fixed runs from before 0.7.0 getting a laboratory every floor
- fixed visual bugs involving alchemist's toolkit

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Tengu.java

@@ -89,26 +89,33 @@ public class Tengu extends Mob {
 	@Override
 	public void damage(int dmg, Object src) {
 		
+		PrisonBossLevel.State state = ((PrisonBossLevel)Dungeon.level).state();
+		
+		int hpBracket;
+		if (state == PrisonBossLevel.State.FIGHT_START){
+			hpBracket = 12;
+		} else {
+			hpBracket = 20;
+		}
+
 		int beforeHitHP = HP;
 		super.damage(dmg, src);
 		dmg = beforeHitHP - HP;
 
 		LockedFloor lock = Dungeon.hero.buff(LockedFloor.class);
 		if (lock != null) {
-			int multiple = beforeHitHP > HT/2 ? 1 : 4;
+			int multiple = state == PrisonBossLevel.State.FIGHT_START ? 1 : 4;
 			lock.addTime(dmg*multiple);
 		}
 
 		//phase 2 of the fight is over
-		if (HP == 0 && beforeHitHP <= HT/2) {
+		if (HP == 0 && state == PrisonBossLevel.State.FIGHT_ARENA) {
 			((PrisonBossLevel)Dungeon.level).progress();
 			return;
 		}
 		
-		int hpBracket = beforeHitHP > HT/2 ? 12 : 20;
-
 		//phase 1 of the fight is over
-		if (beforeHitHP > HT/2 && HP <= HT/2){
+		if (state == PrisonBossLevel.State.FIGHT_START && HP <= HT/2){
 			HP = (HT/2)-1;
 			yell(Messages.get(this, "interesting"));
 			((PrisonBossLevel)Dungeon.level).progress();
@@ -175,7 +182,7 @@ public class Tengu extends Mob {
 
 		int newPos;
 		//if we're in phase 1, want to warp around within the room
-		if (HP > HT/2) {
+		if (((PrisonBossLevel)Dungeon.level).state() == PrisonBossLevel.State.FIGHT_START) {
 			
 			//place new traps
 			int tries;

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/ArcaneBomb.java

@@ -72,6 +72,8 @@ public class ArcaneBomb extends Bomb {
 					//regular bomb damage, but pierces armor
 					int damage = Math.round(Random.NormalIntRange( Dungeon.depth+5, 10 + Dungeon.depth * 2 ));
 					ch.damage(damage, this);
+					if (ch == Dungeon.hero && !ch.isAlive())
+						Dungeon.fail(Bomb.class);
 				}
 			}
 		}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/bombs/ShrapnelBomb.java

@@ -62,6 +62,8 @@ public class ShrapnelBomb extends Bomb {
 					int damage = Math.round(Random.NormalIntRange( Dungeon.depth+5, 10 + Dungeon.depth * 2 ));
 					damage -= ch.drRoll();
 					ch.damage(damage, this);
+					if (ch == Dungeon.hero && !ch.isAlive())
+						Dungeon.fail(Bomb.class);
 				}
 			}
 		}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java

@@ -60,7 +60,7 @@ public class PrisonBossLevel extends Level {
 		color2 = 0x88924c;
 	}
 
-	private enum State{
+	public enum State {
 		START,
 		FIGHT_START,
 		MAZE,
@@ -71,6 +71,10 @@ public class PrisonBossLevel extends Level {
 	private State state;
 	private Tengu tengu;
 	
+	public State state(){
+		return state;
+	}
+
 	//keep track of that need to be removed as the level is changed. We dump 'em back into the level at the end.
 	private ArrayList<Item> storedItems = new ArrayList<>();
 	

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SpecialRoom.java

@@ -149,7 +149,10 @@ public class SpecialRoom extends Room {
 		runSpecials.clear();
 		if (bundle.contains( ROOMS )) {
 			for (Class<? extends Room> type : bundle.getClassArray(ROOMS)) {
-				if (type != null) runSpecials.add(type);
+				//pre-0.7.0 saves
+				if (type != null && type != LaboratoryRoom.class) {
+					runSpecials.add(type);
+				}
 			}
 		} else {
 			initForRun();

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/AlchemyScene.java

@@ -305,6 +305,7 @@ public class AlchemyScene extends PixelScene {
 							if (item instanceof Dart) {
 								inputs[i].item(item.detachAll(Dungeon.hero.belongings.backpack));
 							} else if (item instanceof AlchemistsToolkit) {
+								clearSlots();
 								inputs[i].item(item);
 							} else {
 								inputs[i].item(item.detach(Dungeon.hero.belongings.backpack));