v2.4.0: removed cases of game directly using dungeon seed for levelgen

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java

@@ -102,6 +102,10 @@ public class Dungeon {
 		STRENGTH_POTIONS,
 		UPGRADE_SCROLLS,
 		ARCANE_STYLI,
+		ENCH_STONE,
+		INT_STONE,
+		TRINKET_CATA,
+		LAB_ROOM, //actually a room, but logic is the same
 
 		//Health potion sources
 		//enemies
@@ -256,7 +260,7 @@ public class Dungeon {
 		QuickSlotButton.reset();
 		Toolbar.swappedQuickslots = false;
 		
-		depth = 1;
+		depth = 15;
 		branch = 0;
 		generatedLevels.clear();
 
@@ -554,6 +558,46 @@ public class Dungeon {
 		return Random.Int(5 - floorThisSet) < asLeftThisSet;
 	}
 
+	public static boolean enchStoneNeeded(){
+		//1 enchantment stone, spawns on chapter 2 or 3
+		if (!LimitedDrops.ENCH_STONE.dropped()){
+			int region = 1+depth/5;
+			if (region > 1){
+				int floorsVisited = depth - 5;
+				if (floorsVisited > 4) floorsVisited--; //skip floor 10
+				return Random.Int(9-floorsVisited) == 0; //1/8 chance each floor
+			}
+		}
+		return false;
+	}
+
+	public static boolean intStoneNeeded(){
+		//one stone on floors 1-3
+		return !LimitedDrops.INT_STONE.dropped() && Random.Int(4-depth) == 0;
+	}
+
+	public static boolean trinketCataNeeded(){
+		//one trinket catalyst on floors 1-3
+		return !LimitedDrops.TRINKET_CATA.dropped() && Random.Int(4-depth) == 0;
+	}
+
+	public static boolean labRoomNeeded(){
+		//one laboratory each floor set, in floor 3 or 4, 1/2 chance each floor
+		int region = 1+depth/5;
+		if (region > LimitedDrops.LAB_ROOM.count){
+			int floorThisRegion = depth%5;
+			if (floorThisRegion >= 4 || (floorThisRegion == 3 && Random.Int(2) == 0)){
+				return true;
+			}
+		}
+		return false;
+	}
+
+	// 1/4
+	// 3/4 * 1/3 = 3/12 = 1/4
+	// 3/4 * 2/3 * 1/2 = 6/24 = 1/4
+	// 1/4
+
 	private static final String INIT_VER	= "init_ver";
 	private static final String VERSION		= "version";
 	private static final String SEED		= "seed";

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/trinkets/TrapMechanism.java

@@ -70,16 +70,16 @@ public class TrapMechanism extends Trinket {
 		}
 		if (mech.levelFeels.isEmpty()){
 			Random.pushGenerator(Dungeon.seed+1);
-			mech.levelFeels.add(true);
-			mech.levelFeels.add(true);
-			mech.levelFeels.add(true);
-			mech.levelFeels.add(false);
-			mech.levelFeels.add(false);
-			mech.levelFeels.add(false);
-			for (int i = 0; i <= mech.shuffles; i++) {
-				Random.shuffle(mech.levelFeels);
-			}
-			mech.shuffles++;
+				mech.levelFeels.add(true);
+				mech.levelFeels.add(true);
+				mech.levelFeels.add(true);
+				mech.levelFeels.add(false);
+				mech.levelFeels.add(false);
+				mech.levelFeels.add(false);
+				for (int i = 0; i <= mech.shuffles; i++) {
+					Random.shuffle(mech.levelFeels);
+				}
+				mech.shuffles++;
 			Random.popGenerator();
 		}
 

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

@@ -219,18 +219,16 @@ public abstract class Level implements Bundlable {
 				Dungeon.LimitedDrops.ARCANE_STYLI.count++;
 				addItemToSpawn( new Stylus() );
 			}
-			//one scroll of transmutation is guaranteed to spawn somewhere on chapter 2-4
-			int enchChapter = (int)((Dungeon.seed / 10) % 3) + 1;
-			if ( Dungeon.depth / 5 == enchChapter &&
-					Dungeon.seed % 4 + 1 == Dungeon.depth % 5){
+			if ( Dungeon.enchStoneNeeded() ){
+				Dungeon.LimitedDrops.ENCH_STONE.drop();
 				addItemToSpawn( new StoneOfEnchantment() );
 			}
-			
-			if ( Dungeon.depth == ((Dungeon.seed % 3) + 1)){
+			if ( Dungeon.intStoneNeeded() ){
+				Dungeon.LimitedDrops.INT_STONE.drop();
 				addItemToSpawn( new StoneOfIntuition() );
 			}
-
-			if ( Dungeon.depth == (((Dungeon.seed+1) % 3) + 1)){
+			if ( Dungeon.trinketCataNeeded() ){
+				Dungeon.LimitedDrops.TRINKET_CATA.drop();
 				addItemToSpawn( new TrinketCatalyst());
 			}
 			

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

@@ -131,8 +131,9 @@ public abstract class SpecialRoom extends Room {
 	public static void initForFloor(){
 		floorSpecials = (ArrayList<Class<?extends Room>>) runSpecials.clone();
 		
-		//laboratory rooms spawn at set intervals every chapter, on 3rd or 4th floor
-		if (Dungeon.depth%5 == (Dungeon.seed%2 + 3)){
+		//laboratory rooms spawn on floor 3 or 4 each chapter
+		if (Dungeon.labRoomNeeded()){
+			Dungeon.LimitedDrops.LAB_ROOM.count++;
 			floorSpecials.add(0, LaboratoryRoom.class);
 		}
 	}