Merge 11bb30cd67 into 2a38359443

Co-authored-by: cyn0x8 <cyn0x8+git@gmail.com>
Co-authored-by: Cobalt Bar <79053181+CobaltBar@users.noreply.github.com>
Co-authored-by: Hundrec <hundrecard@gmail.com>

.vscode/settings.json

@@ -150,6 +150,16 @@
       "target": "windows",
       "args": ["-debug", "-DRESULTS"]
     },
+    {
+      "label": "Windows / Debug (Straight to Stage Editor)",
+      "target": "windows",
+      "args": ["-debug", "-DSTAGING", "-DFEATURE_DEBUG_FUNCTIONS"]
+    },
+    {
+      "label": "Windows / Debug (Straight to Stage Builder)",
+      "target": "windows",
+      "args": ["-debug", "-DSTAGEBUILD", "-DFEATURE_DEBUG_FUNCTIONS"]
+    },
     {
       "label": "Windows / Debug (Straight to Animation Editor)",
       "target": "windows",

alsoft.txt

@@ -0,0 +1,14 @@
+[general]
+sample-type=float32
+period_size=441
+stereo-mode=speakers
+stereo-encoding=panpot
+hrtf=false
+cf_level=0
+resampler=fast_bsinc24
+front-stablizer=false
+output-limiter=false
+[decoder]
+hq-mode=false
+distance-comp=false
+nfc=false

art

@@ -1 +1 @@
-Subproject commit 8402339e2e63ae99c441941a46d54bf3f0c0d5fa
+Subproject commit 78dc310219370144719b4eeef9b3b511c5a44532

assets

@@ -1 +1 @@
-Subproject commit c108a7ff0d11bf328e7b232160b8f68c71e21bca
+Subproject commit 88778a44853255b082ada57e9cb77d8fb4956494

hmm.json

@@ -77,7 +77,7 @@
       "name": "hscript",
       "type": "git",
       "dir": null,
-      "ref": "27c86f9a761c1d16d4433c4cf252eccb7b2e18de",
+      "ref": "d60bb2947fa609fdc875ccfae89666a6984eeaf2",
       "url": "https://github.com/FunkinCrew/hscript"
     },
     {
@@ -192,7 +192,7 @@
       "name": "polymod",
       "type": "git",
       "dir": null,
-      "ref": "0fbdf27fe124549730accd540cec8a183f8652c0",
+      "ref": "3e030c81de99ca84acde681431f806d8103bcf6e",
       "url": "https://github.com/larsiusprime/polymod"
     },
     {

source/funkin/Conductor.hx

@@ -6,6 +6,7 @@ import flixel.math.FlxMath;
 import funkin.data.song.SongData.SongTimeChange;
 import funkin.data.song.SongDataUtils;
 import funkin.save.Save;
+import funkin.util.TimerUtil.SongSequence;
 import haxe.Timer;
 import flixel.sound.FlxSound;
 
@@ -92,6 +93,12 @@ class Conductor
    */
   public var songPosition(default, null):Float = 0;
 
+  /**
+   * The offset between frame time and music time.
+   * Used in `getTimeWithDelta()` to get a more accurate music time when on higher framerates.
+   */
+  var songPositionDelta(default, null):Float = 0;
+
   var prevTimestamp:Float = 0;
   var prevTime:Float = 0;
 
@@ -422,7 +429,8 @@ class Conductor
     // If the song is playing, limit the song position to the length of the song or beginning of the song.
     if (FlxG.sound.music != null && FlxG.sound.music.playing)
     {
-      this.songPosition = Math.min(currentLength, Math.max(0, songPos));
+      this.songPosition = FlxMath.bound(Math.min(this.combinedOffset, 0), songPos, currentLength);
+      this.songPositionDelta += FlxG.elapsed * 1000 * FlxG.sound.music.pitch;
     }
     else
     {
@@ -488,10 +496,23 @@ class Conductor
     // which it doesn't do every frame!
     if (prevTime != this.songPosition)
     {
+      this.songPositionDelta = 0;
+
       // Update the timestamp for use in-between frames
       prevTime = this.songPosition;
       prevTimestamp = Std.int(Timer.stamp() * 1000);
     }
+
+    if (this == Conductor.instance) @:privateAccess SongSequence.update.dispatch();
+  }
+
+  /**
+   * Returns a more accurate music time for higher framerates.
+   * @return Float
+   */
+  public function getTimeWithDelta():Float
+  {
+    return this.songPosition + this.songPositionDelta;
   }
 
   /**

source/funkin/Highscore.hx

@@ -3,6 +3,7 @@ package funkin;
 /**
  * A core class which handles tracking score and combo for the current song.
  */
+@:nullSafety
 class Highscore
 {
   /**

source/funkin/InitState.hx

@@ -27,6 +27,7 @@ import funkin.play.character.CharacterData.CharacterDataParser;
 import funkin.play.notes.notekind.NoteKindManager;
 import funkin.play.PlayStatePlaylist;
 import funkin.ui.debug.charting.ChartEditorState;
+import funkin.ui.debug.stageeditor.StageEditorState;
 import funkin.ui.title.TitleState;
 import funkin.ui.transition.LoadingState;
 import funkin.util.CLIUtil;
@@ -51,6 +52,7 @@ import funkin.api.newgrounds.NewgroundsClient;
  *
  * It should not contain any sprites or rendering.
  */
+@:nullSafety
 class InitState extends FlxState
 {
   /**
@@ -241,6 +243,9 @@ class InitState extends FlxState
     #elseif CHARTING
     // -DCHARTING
     FlxG.switchState(() -> new funkin.ui.debug.charting.ChartEditorState());
+    #elseif STAGING
+    // -DSTAGING
+    FlxG.switchState(() -> new funkin.ui.debug.stageeditor.StageEditorState());
     #elseif STAGEBUILD
     // -DSTAGEBUILD
     FlxG.switchState(() -> new funkin.ui.debug.stage.StageBuilderState());
@@ -303,6 +308,13 @@ class InitState extends FlxState
           fnfcTargetPath: params.chart.chartPath,
         }));
     }
+    else if (params.stage.shouldLoadStage)
+    {
+      FlxG.switchState(() -> new StageEditorState(
+        {
+          fnfsTargetPath: params.stage.stagePath,
+        }));
+    }
     else
     {
       FlxG.sound.cache(Paths.music('freakyMenu/freakyMenu'));
@@ -317,7 +329,7 @@ class InitState extends FlxState
    */
   function startSong(songId:String, difficultyId:String = 'normal'):Void
   {
-    var songData:funkin.play.song.Song = funkin.data.song.SongRegistry.instance.fetchEntry(songId);
+    var songData:Null<funkin.play.song.Song> = funkin.data.song.SongRegistry.instance.fetchEntry(songId);
 
     if (songData == null)
     {
@@ -354,6 +366,7 @@ class InitState extends FlxState
         PlayStatePlaylist.campaignId = 'weekend1';
     }
 
+    @:nullSafety(Off) // Cannot unify?
     LoadingState.loadPlayState(
       {
         targetSong: songData,
@@ -368,7 +381,7 @@ class InitState extends FlxState
    */
   function startLevel(levelId:String, difficultyId:String = 'normal'):Void
   {
-    var currentLevel:funkin.ui.story.Level = funkin.data.story.level.LevelRegistry.instance.fetchEntry(levelId);
+    var currentLevel:Null<funkin.ui.story.Level> = funkin.data.story.level.LevelRegistry.instance.fetchEntry(levelId);
 
     if (currentLevel == null)
     {
@@ -384,10 +397,19 @@ class InitState extends FlxState
     PlayStatePlaylist.isStoryMode = true;
     PlayStatePlaylist.campaignScore = 0;
 
-    var targetSongId:String = PlayStatePlaylist.playlistSongIds.shift();
+    var targetSongId:Null<String> = PlayStatePlaylist.playlistSongIds.shift();
 
-    var targetSong:funkin.play.song.Song = SongRegistry.instance.fetchEntry(targetSongId);
+    var targetSong:Null<funkin.play.song.Song> = null;
 
+    if (targetSongId != null) targetSong = SongRegistry.instance.fetchEntry(targetSongId);
+
+    if (targetSongId == null)
+    {
+      startGameNormally();
+      return;
+    }
+
+    @:nullSafety(Off)
     LoadingState.loadPlayState(
       {
         targetSong: targetSong,
@@ -395,6 +417,7 @@ class InitState extends FlxState
       });
   }
 
+  @:nullSafety(Off) // Meh, remove when flixel.system.debug.log.LogStyle is null safe
   function setupFlixelDebug():Void
   {
     //
@@ -474,17 +497,17 @@ class InitState extends FlxState
     #end
   }
 
-  function defineSong():String
+  function defineSong():Null<String>
   {
     return MacroUtil.getDefine('SONG');
   }
 
-  function defineLevel():String
+  function defineLevel():Null<String>
   {
     return MacroUtil.getDefine('LEVEL');
   }
 
-  function defineDifficulty():String
+  function defineDifficulty():Null<String>
   {
     return MacroUtil.getDefine('DIFFICULTY');
   }

source/funkin/Paths.hx

@@ -6,6 +6,7 @@ import openfl.utils.AssetType;
 /**
  * A core class which handles determining asset paths.
  */
+@:nullSafety
 class Paths
 {
   static var currentLevel:Null<String> = null;
@@ -136,7 +137,7 @@ class Paths
    * @param withExtension if it should return with the audio file extension `.mp3` or `.ogg`.
    * @return String
    */
-  public static function inst(song:String, ?suffix:String = '', ?withExtension:Bool = true):String
+  public static function inst(song:String, ?suffix:String = '', withExtension:Bool = true):String
   {
     var ext:String = withExtension ? '.${Constants.EXT_SOUND}' : '';
     return 'songs:assets/songs/${song.toLowerCase()}/Inst$suffix$ext';

source/funkin/PlayerSettings.hx

@@ -9,12 +9,17 @@ import flixel.util.FlxSignal.FlxTypedSignal;
 /**
  * A core class which represents the current player(s) and their controls and other configuration.
  */
+@:nullSafety
 class PlayerSettings
 {
   // TODO: Finish implementation of second player.
   public static var numPlayers(default, null) = 0;
   public static var numAvatars(default, null) = 0;
+  // TODO: Making both of these null makes a lot of errors with the controls.
+  // That'd explain why unplugging input devices can cause the game to crash?
+  @:nullSafety(Off)
   public static var player1(default, null):PlayerSettings;
+  @:nullSafety(Off)
   public static var player2(default, null):PlayerSettings;
 
   public static var onAvatarAdd(default, null) = new FlxTypedSignal<PlayerSettings->Void>();
@@ -70,6 +75,7 @@ class PlayerSettings
   /**
    * Forcibly destroy the PlayerSettings singletons for each player.
    */
+  @:nullSafety(Off)
   public static function reset():Void
   {
     player1 = null;

source/funkin/Preferences.hx

@@ -6,6 +6,7 @@ import funkin.util.WindowUtil;
 /**
  * A core class which provides a store of user-configurable, globally relevant values.
  */
+@:nullSafety
 class Preferences
 {
   /**
@@ -45,7 +46,7 @@ class Preferences
 
   static function get_naughtyness():Bool
   {
-    return Save?.instance?.options?.naughtyness;
+    return Save?.instance?.options?.naughtyness ?? true;
   }
 
   static function set_naughtyness(value:Bool):Bool
@@ -64,7 +65,7 @@ class Preferences
 
   static function get_downscroll():Bool
   {
-    return Save?.instance?.options?.downscroll;
+    return Save?.instance?.options?.downscroll ?? false;
   }
 
   static function set_downscroll(value:Bool):Bool
@@ -102,7 +103,7 @@ class Preferences
 
   static function get_zoomCamera():Bool
   {
-    return Save?.instance?.options?.zoomCamera;
+    return Save?.instance?.options?.zoomCamera ?? true;
   }
 
   static function set_zoomCamera(value:Bool):Bool
@@ -121,7 +122,7 @@ class Preferences
 
   static function get_debugDisplay():Bool
   {
-    return Save?.instance?.options?.debugDisplay;
+    return Save?.instance?.options?.debugDisplay ?? false;
   }
 
   static function set_debugDisplay(value:Bool):Bool
@@ -228,7 +229,7 @@ class Preferences
 
   static function get_unlockedFramerate():Bool
   {
-    return Save?.instance?.options?.unlockedFramerate;
+    return Save?.instance?.options?.unlockedFramerate ?? false;
   }
 
   static function set_unlockedFramerate(value:Bool):Bool
@@ -343,44 +344,6 @@ class Preferences
     return value;
   }
 
-  /**
-   * The game will save any screenshots taken to this format.
-   * @default `PNG`
-   */
-  public static var saveFormat(get, set):Any;
-
-  static function get_saveFormat():Any
-  {
-    return Save?.instance?.options?.screenshot?.saveFormat ?? 'PNG';
-  }
-
-  static function set_saveFormat(value):Any
-  {
-    var save:Save = Save.instance;
-    save.options.screenshot.saveFormat = value;
-    save.flush();
-    return value;
-  }
-
-  /**
-   * The game will save JPEG screenshots with this quality percentage.
-   * @default `80`
-   */
-  public static var jpegQuality(get, set):Int;
-
-  static function get_jpegQuality():Int
-  {
-    return Save?.instance?.options?.screenshot?.jpegQuality ?? 80;
-  }
-
-  static function set_jpegQuality(value:Int):Int
-  {
-    var save:Save = Save.instance;
-    save.options.screenshot.jpegQuality = value;
-    save.flush();
-    return value;
-  }
-
   /**
    * Loads the user's preferences from the save data and apply them.
    */

source/funkin/api/discord/DiscordClient.hx

@@ -8,6 +8,7 @@ import hxdiscord_rpc.Types.DiscordRichPresence;
 import hxdiscord_rpc.Types.DiscordUser;
 import sys.thread.Thread;
 
+@:nullSafety
 class DiscordClient
 {
   static final CLIENT_ID:String = "816168432860790794";
@@ -40,12 +41,12 @@ class DiscordClient
     trace('[DISCORD] Initializing connection...');
 
     // Discord.initialize(CLIENT_ID, handlers, true, null);
-    Discord.Initialize(CLIENT_ID, cpp.RawPointer.addressOf(handlers), 1, null);
+    Discord.Initialize(CLIENT_ID, cpp.RawPointer.addressOf(handlers), 1, "");
 
     createDaemon();
   }
 
-  var daemon:Thread = null;
+  var daemon:Null<Thread> = null;
 
   function createDaemon():Void
   {
@@ -56,8 +57,6 @@ class DiscordClient
   {
     while (true)
     {
-      trace('[DISCORD] Performing client update...');
-
       #if DISCORD_DISABLE_IO_THREAD
       Discord.updateConnection();
       #end
@@ -76,8 +75,6 @@ class DiscordClient
 
   public function setPresence(params:DiscordClientPresenceParams):Void
   {
-    trace('[DISCORD] Updating presence... (${params})');
-
     Discord.updatePresence(buildPresence(params));
   }
 
@@ -92,17 +89,15 @@ class DiscordClient
     presence.largeImageText = "Friday Night Funkin'";
 
     // State should be generally what the person is doing, like "In the Menus" or "Pico (Pico Mix) [Freeplay Hard]"
-    presence.state = cast(params.state, Null<String>);
+    presence.state = cast(params.state, Null<String>) ?? "";
     // Details should be what the person is specifically doing, including stuff like timestamps (maybe something like "03:24 elapsed").
-    presence.details = cast(params.details, Null<String>);
+    presence.details = cast(params.details, Null<String>) ?? "";
 
     // The large image displaying what the user is doing.
     // This should probably be album art.
     // IMPORTANT NOTE: This can be an asset key uploaded to Discord's developer panel OR any URL you like.
     presence.largeImageKey = cast(params.largeImageKey, Null<String>) ?? "album-volume1";
 
-    trace('[DISCORD] largeImageKey: ${presence.largeImageKey}');
-
     // TODO: Make this use the song's album art.
     // presence.largeImageKey = "icon";
     // presence.largeImageKey = "https://f4.bcbits.com/img/a0746694746_16.jpg";
@@ -110,7 +105,7 @@ class DiscordClient
     // The small inset image for what the user is doing.
     // This can be the opponent's health icon?
     // NOTE: Like largeImageKey, this can be a URL, or an asset key.
-    presence.smallImageKey = cast(params.smallImageKey, Null<String>);
+    presence.smallImageKey = cast(params.smallImageKey, Null<String>) ?? "";
 
     // NOTE: In previous versions, this showed as "Elapsed", but now shows as playtime and doesn't look good
     // presence.startTimestamp = time - 10;
@@ -136,9 +131,9 @@ class DiscordClient
 
     final username:String = request[0].username;
     final globalName:String = request[0].username;
-    final discriminator:Int = Std.parseInt(request[0].discriminator);
+    final discriminator:Null<Int> = Std.parseInt(request[0].discriminator);
 
-    if (discriminator != 0)
+    if (discriminator != null && discriminator != 0)
     {
       trace('[DISCORD] User: ${username}#${discriminator} (${globalName})');
     }
@@ -204,4 +199,17 @@ typedef DiscordClientPresenceParams =
    */
   var ?smallImageKey:String;
 }
+
+class DiscordClientSandboxed
+{
+  public static function setPresence(params:DiscordClientPresenceParams)
+  {
+    return DiscordClient.instance.setPresence(params);
+  }
+
+  public static function shutdown()
+  {
+    DiscordClient.instance.shutdown();
+  }
+}
 #end

source/funkin/api/newgrounds/Leaderboards.hx

@@ -2,10 +2,14 @@ package funkin.api.newgrounds;
 
 #if FEATURE_NEWGROUNDS
 import io.newgrounds.Call.CallError;
+import io.newgrounds.components.ScoreBoardComponent;
+import io.newgrounds.objects.Score;
 import io.newgrounds.objects.ScoreBoard as LeaderboardData;
+import io.newgrounds.objects.User;
 import io.newgrounds.objects.events.Outcome;
 import io.newgrounds.utils.ScoreBoardList;
 
+@:nullSafety
 class Leaderboards
 {
   public static function listLeaderboardData():Map<Leaderboard, LeaderboardData>
@@ -16,21 +20,8 @@ class Leaderboards
       trace('[NEWGROUNDS] Not logged in, cannot fetch medal data!');
       return [];
     }
-    else
-    {
-      var result:Map<Leaderboard, LeaderboardData> = [];
 
-      for (leaderboardId in leaderboardList.keys())
+    return @:privateAccess leaderboardList._map?.copy() ?? [];
-      {
-        var leaderboardData = leaderboardList.get(leaderboardId);
-        if (leaderboardData == null) continue;
-
-        // A little hacky, but it works.
-        result.set(cast leaderboardId, leaderboardData);
-      }
-
-      return result;
-    }
   }
 
   /**
@@ -66,6 +57,41 @@ class Leaderboards
     }
   }
 
+  /**
+   * Request to receive scores from Newgrounds.
+   * @param leaderboard The leaderboard to fetch scores from.
+   * @param params Additional parameters for fetching the score.
+   */
+  public static function requestScores(leaderboard:Leaderboard, ?params:RequestScoresParams)
+  {
+    // Silently reject retrieving scores from unknown leaderboards.
+    if (leaderboard == Leaderboard.Unknown) return;
+
+    var leaderboardList = NewgroundsClient.instance.leaderboards;
+    if (leaderboardList == null) return;
+
+    var leaderboardData:Null<LeaderboardData> = leaderboardList.get(leaderboard.getId());
+    if (leaderboardData == null) return;
+
+    var user:Null<User> = null;
+    if ((params?.useCurrentUser ?? false) && NewgroundsClient.instance.isLoggedIn()) user = NewgroundsClient.instance.user;
+
+    leaderboardData.requestScores(params?.limit ?? 10, params?.skip ?? 0, params?.period ?? ALL, params?.social ?? false, params?.tag, user,
+      function(outcome:Outcome<CallError>):Void {
+        switch (outcome)
+        {
+          case SUCCESS:
+            trace('[NEWGROUNDS] Fetched scores!');
+            if (params != null && params.onComplete != null) params.onComplete(leaderboardData.scores);
+
+          case FAIL(error):
+            trace('[NEWGROUNDS] Failed to fetch scores!');
+            trace(error);
+            if (params != null && params.onFail != null) params.onFail();
+        }
+      });
+  }
+
   /**
    * Submit a score for a Story Level to Newgrounds.
    */
@@ -84,9 +110,77 @@ class Leaderboards
     Leaderboards.submitScore(Leaderboard.getLeaderboardBySong(songId, difficultyId), score, tag);
   }
 }
+
+/**
+ * Wrapper for `Leaderboards` that prevents submitting scores.
+ */
+@:nullSafety
+class LeaderboardsSandboxed
+{
+  public static function getLeaderboardBySong(songId:String, difficultyId:String)
+  {
+    return Leaderboard.getLeaderboardBySong(songId, difficultyId);
+  }
+
+  public static function getLeaderboardByLevel(levelId:String)
+  {
+    return Leaderboard.getLeaderboardByLevel(levelId);
+  }
+
+  public function requestScores(leaderboard:Leaderboard, params:RequestScoresParams)
+  {
+    Leaderboards.requestScores(leaderboard, params);
+  }
+}
+
+/**
+ * Additional parameters for `Leaderboards.requestScores()`
+ */
+typedef RequestScoresParams =
+{
+  /**
+   * How many scores to include in a list.
+   * @default `10`
+   */
+  var ?limit:Int;
+
+  /**
+   * How many scores to skip before starting the list.
+   * @default `0`
+   */
+  var ?skip:Int;
+
+  /**
+   * The time-frame to pull the scores from.
+   * @default `Period.ALL`
+   */
+  var ?period:Period;
+
+  /**
+   * If true, only scores by the user and their friends will be loaded. Ignored if no user is set.
+   * @default `false`
+   */
+  var ?social:Bool;
+
+  /**
+   * An optional tag to filter the results by.
+   * @default `null`
+   */
+  var ?tag:String;
+
+  /**
+   * If true, only the scores from the currently logged in user will be loaded.
+   * Additionally, if `social` is set to true, the scores of the user's friend will be loaded.
+   * @default `false`
+   */
+  var ?useCurrentUser:Bool;
+
+  var ?onComplete:Array<Score>->Void;
+  var ?onFail:Void->Void;
+}
 #end
 
-enum abstract Leaderboard(Int)
+enum abstract Leaderboard(Int) from Int to Int
 {
   /**
    * Represents an undefined or invalid leaderboard.
@@ -285,7 +379,7 @@ enum abstract Leaderboard(Int)
         {
           case "darnell":
             return DarnellBFMix;
-          case "litup":
+          case "lit-up":
             return LitUpBFMix;
           default:
             return Unknown;
@@ -379,7 +473,7 @@ enum abstract Leaderboard(Int)
             return Stress;
           case "darnell":
             return Darnell;
-          case "litup":
+          case "lit-up":
             return LitUp;
           case "2hot":
             return TwoHot;

source/funkin/api/newgrounds/Medals.hx

@@ -8,6 +8,7 @@ import openfl.display.BitmapData;
 import io.newgrounds.utils.MedalList;
 import haxe.Json;
 
+@:nullSafety
 class Medals
 {
   public static var medalJSON:Array<MedalJSON> = [];
@@ -21,22 +22,8 @@ class Medals
       trace('[NEWGROUNDS] Not logged in, cannot fetch medal data!');
       return [];
     }
-    else
-    {
-      // TODO: Why do I have to do this, @:nullSafety is fucked up
-      var result:Map<Medal, MedalData> = [];
 
-      for (medalId in medalList.keys())
+    return @:privateAccess medalList._map?.copy() ?? [];
-      {
-        var medalData = medalList.get(medalId);
-        if (medalData == null) continue;
-
-        // A little hacky, but it works.
-        result.set(cast medalId, medalData);
-      }
-
-      return result;
-    }
   }
 
   public static function award(medal:Medal):Void
@@ -131,32 +118,78 @@ class Medals
     }
   }
 
-  public static function awardStoryLevel(id:String):Void
+  public static function fetchMedalData(medal:Medal):Null<FetchedMedalData>
   {
-    switch (id)
+    var medalList = NewgroundsClient.instance.medals;
+    @:privateAccess
+    if (medalList == null || medalList._map == null) return null;
+
+    var medalData:Null<MedalData> = medalList.get(medal.getId());
+    @:privateAccess
+    if (medalData == null || medalData._data == null)
     {
-      case 'tutorial':
+      trace('[NEWGROUNDS] Could not retrieve data for medal: ${medal}');
-        Medals.award(Medal.StoryTutorial);
+      return null;
-      case 'week1':
+    }
-        Medals.award(Medal.StoryWeek1);
+
-      case 'week2':
+    return {
-        Medals.award(Medal.StoryWeek2);
+      id: medalData.id,
-      case 'week3':
+      name: medalData.name,
-        Medals.award(Medal.StoryWeek3);
+      description: medalData.description,
-      case 'week4':
+      icon: medalData.icon,
-        Medals.award(Medal.StoryWeek4);
+      value: medalData.value,
-      case 'week5':
+      difficulty: medalData.difficulty,
-        Medals.award(Medal.StoryWeek5);
+      secret: medalData.secret,
-      case 'week6':
+      unlocked: medalData.unlocked
-        Medals.award(Medal.StoryWeek6);
-      case 'week7':
-        Medals.award(Medal.StoryWeek7);
-      case 'weekend1':
-        Medals.award(Medal.StoryWeekend1);
-      default:
-        trace('[NEWGROUNDS] Story level does not have a medal! (${id}).');
     }
   }
+
+  public static function awardStoryLevel(id:String):Void
+  {
+    var medal:Medal = Medal.getMedalByStoryLevel(id);
+    if (medal == Medal.Unknown)
+    {
+      trace('[NEWGROUNDS] Story level does not have a medal! (${id}).');
+      return;
+    }
+    Medals.award(medal);
+  }
+}
+
+/**
+ * Wrapper for `Medals` that prevents awarding medals.
+ */
+class MedalsSandboxed
+{
+  public static function fetchMedalData(medal:Medal):Null<FetchedMedalData>
+  {
+    return Medals.fetchMedalData(medal);
+  }
+
+  public static function getMedalByStoryLevel(id:String):Medal
+  {
+    return Medal.getMedalByStoryLevel(id);
+  }
+
+  public static function getAllMedals():Array<Medal>
+  {
+    return Medal.getAllMedals();
+  }
+}
+
+/**
+ * Contains data for a Medal, but excludes functions like `sendUnlock()`.
+ */
+typedef FetchedMedalData =
+{
+  var id:Int;
+  var name:String;
+  var description:String;
+  var icon:String;
+  var value:Int;
+  var difficulty:Int;
+  var secret:Bool;
+  var unlocked:Bool;
 }
 #end
 
@@ -324,6 +357,8 @@ enum abstract Medal(Int) from Int to Int
   {
     switch (levelId)
     {
+      case "tutorial":
+        return StoryTutorial;
       case "week1":
         return StoryWeek1;
       case "week2":
@@ -344,4 +379,33 @@ enum abstract Medal(Int) from Int to Int
         return Unknown;
     }
   }
+
+  /**
+   * Lists all medals aside from the `Unknown` one.
+   */
+  public static function getAllMedals()
+  {
+    return [
+      StartGame,
+      StoryTutorial,
+      StoryWeek1,
+      StoryWeek2,
+      StoryWeek3,
+      StoryWeek4,
+      StoryWeek5,
+      StoryWeek6,
+      StoryWeek7,
+      StoryWeekend1,
+      CharSelect,
+      FreeplayPicoMix,
+      FreeplayStressPico,
+      LossRating,
+      PerfectRatingHard,
+      GoldPerfectRatingHard,
+      ErectDifficulty,
+      GoldPerfectRatingNightmare,
+      FridayNight,
+      Nice
+    ];
+  }
 }

source/funkin/api/newgrounds/NewgroundsClient.hx

@@ -331,4 +331,22 @@ class NewgroundsClient
     return Save.instance.ngSessionId;
   }
 }
+
+/**
+ * Wrapper for `NewgroundsClient` that prevents submitting cheated data.
+ */
+class NewgroundsClientSandboxed
+{
+  public static var user(get, never):Null<User>;
+
+  static function get_user()
+  {
+    return NewgroundsClient.instance.user;
+  }
+
+  public static function isLoggedIn()
+  {
+    return NewgroundsClient.instance.isLoggedIn();
+  }
+}
 #end

source/funkin/audio/ALSoftConfig.hx

@@ -0,0 +1,32 @@
+package funkin.audio;
+
+#if desktop
+import haxe.io.Path;
+
+import sys.FileSystem;
+
+/*
+ * A class that simply points the audio backend OpenALSoft to use a custom
+ * configuration when the game starts up.
+ *
+ * The config file overrides a few global OpenALSoft settings to improve audio
+ * quality on desktop targets.
+ */
+@:nullSafety
+class ALSoftConfig
+{
+  private static function __init__():Void
+  {
+    var configPath:String = Path.directory(Path.withoutExtension(#if hl Sys.getCwd() #else Sys.programPath() #end));
+    #if windows
+    configPath += "/plugins/alsoft.ini";
+    #elseif mac
+    configPath = '${Path.directory(configPath)}/Resources/plugins/alsoft.conf';
+    #else
+    configPath += "/plugins/alsoft.conf";
+    #end
+
+    Sys.putEnv("ALSOFT_CONF", FileSystem.fullPath(configPath));
+  }
+}
+#end

source/funkin/audio/FlxStreamSound.hx

@@ -11,6 +11,7 @@ import openfl.utils.AssetType;
 /**
  * a FlxSound that just overrides loadEmbedded to allow for "streamed" sounds to load with better performance!
  */
+@:nullSafety
 class FlxStreamSound extends FlxSound
 {
   public function new()
@@ -18,7 +19,7 @@ class FlxStreamSound extends FlxSound
     super();
   }
 
-  override public function loadEmbedded(EmbeddedSound:FlxSoundAsset, Looped:Bool = false, AutoDestroy:Bool = false, ?OnComplete:Void->Void):FlxSound
+  override public function loadEmbedded(EmbeddedSound:Null<FlxSoundAsset>, Looped:Bool = false, AutoDestroy:Bool = false, ?OnComplete:Void->Void):FlxSound
   {
     if (EmbeddedSound == null) return this;
 

source/funkin/audio/FunkinSound.hx

@@ -551,6 +551,7 @@ class FunkinSound extends FlxSound implements ICloneable<FunkinSound>
     }
     FlxTween.cancelTweensOf(this);
     this._label = 'unknown';
+    this._waveformData = null;
   }
 
   @:access(openfl.media.Sound)

source/funkin/audio/SoundGroup.hx

@@ -7,6 +7,7 @@ import flixel.tweens.FlxTween;
  * A group of FunkinSounds that are all synced together.
  * Unlike FlxSoundGroup, you can also control their time and pitch.
  */
+@:nullSafety
 class SoundGroup extends FlxTypedGroup<FunkinSound>
 {
   public var time(get, set):Float;
@@ -36,6 +37,7 @@ class SoundGroup extends FlxTypedGroup<FunkinSound>
       return result;
     }
 
+    @:nullSafety(Off)
     for (sndFile in files)
     {
       var snd:FunkinSound = FunkinSound.load(Paths.voices(song, '$sndFile'));
@@ -70,7 +72,7 @@ class SoundGroup extends FlxTypedGroup<FunkinSound>
   /**
    * Add a sound to the group.
    */
-  public override function add(sound:FunkinSound):FunkinSound
+  public override function add(sound:FunkinSound):Null<FunkinSound>
   {
     var result:FunkinSound = super.add(sound);
 
@@ -134,6 +136,7 @@ class SoundGroup extends FlxTypedGroup<FunkinSound>
   /**
    * Fade in all the sounds in the group.
    */
+  @:nullSafety(Off)
   public function fadeIn(duration:Float, ?from:Float = 0.0, ?to:Float = 1.0, ?onComplete:FlxTween->Void):Void
   {
     forEachAlive(function(sound:FunkinSound) {
@@ -144,6 +147,7 @@ class SoundGroup extends FlxTypedGroup<FunkinSound>
   /**
    * Fade out all the sounds in the group.
    */
+  @:nullSafety(Off)
   public function fadeOut(duration:Float, ?to:Float = 0.0, ?onComplete:FlxTween->Void):Void
   {
     forEachAlive(function(sound:FunkinSound) {
@@ -238,7 +242,7 @@ class SoundGroup extends FlxTypedGroup<FunkinSound>
 
   function get_muted():Bool
   {
-    if (getFirstAlive() != null) return getFirstAlive().muted;
+    if (getFirstAlive() != null) return getFirstAlive()?.muted ?? false;
     else
       return false;
   }

source/funkin/audio/VoicesGroup.hx

@@ -3,10 +3,11 @@ package funkin.audio;
 import flixel.group.FlxGroup.FlxTypedGroup;
 import funkin.audio.waveform.WaveformData;
 
+@:nullSafety
 class VoicesGroup extends SoundGroup
 {
-  var playerVoices:FlxTypedGroup<FunkinSound>;
+  var playerVoices:Null<FlxTypedGroup<FunkinSound>>;
-  var opponentVoices:FlxTypedGroup<FunkinSound>;
+  var opponentVoices:Null<FlxTypedGroup<FunkinSound>>;
 
   /**
    * Control the volume of only the sounds in the player group.
@@ -41,12 +42,12 @@ class VoicesGroup extends SoundGroup
   public function addPlayerVoice(sound:FunkinSound):Void
   {
     super.add(sound);
-    playerVoices.add(sound);
+    playerVoices?.add(sound);
   }
 
   function set_playerVolume(volume:Float):Float
   {
-    playerVoices.forEachAlive(function(voice:FunkinSound) {
+    playerVoices?.forEachAlive(function(voice:FunkinSound) {
       voice.volume = volume;
     });
     return playerVolume = volume;
@@ -59,10 +60,10 @@ class VoicesGroup extends SoundGroup
       snd.time = time;
     });
 
-    playerVoices.forEachAlive(function(voice:FunkinSound) {
+    playerVoices?.forEachAlive(function(voice:FunkinSound) {
       voice.time -= playerVoicesOffset;
     });
-    opponentVoices.forEachAlive(function(voice:FunkinSound) {
+    opponentVoices?.forEachAlive(function(voice:FunkinSound) {
       voice.time -= opponentVoicesOffset;
     });
 
@@ -71,7 +72,7 @@ class VoicesGroup extends SoundGroup
 
   function set_playerVoicesOffset(offset:Float):Float
   {
-    playerVoices.forEachAlive(function(voice:FunkinSound) {
+    playerVoices?.forEachAlive(function(voice:FunkinSound) {
       voice.time += playerVoicesOffset;
       voice.time -= offset;
     });
@@ -80,7 +81,7 @@ class VoicesGroup extends SoundGroup
 
   function set_opponentVoicesOffset(offset:Float):Float
   {
-    opponentVoices.forEachAlive(function(voice:FunkinSound) {
+    opponentVoices?.forEachAlive(function(voice:FunkinSound) {
       voice.time += opponentVoicesOffset;
       voice.time -= offset;
     });
@@ -93,12 +94,12 @@ class VoicesGroup extends SoundGroup
   public function addOpponentVoice(sound:FunkinSound):Void
   {
     super.add(sound);
-    opponentVoices.add(sound);
+    opponentVoices?.add(sound);
   }
 
   function set_opponentVolume(volume:Float):Float
   {
-    opponentVoices.forEachAlive(function(voice:FunkinSound) {
+    opponentVoices?.forEachAlive(function(voice:FunkinSound) {
       voice.volume = volume;
     });
     return opponentVolume = volume;
@@ -106,26 +107,26 @@ class VoicesGroup extends SoundGroup
 
   public function getPlayerVoice(index:Int = 0):Null<FunkinSound>
   {
-    return playerVoices.members[index];
+    return playerVoices?.members[index];
   }
 
   public function getOpponentVoice(index:Int = 0):Null<FunkinSound>
   {
-    return opponentVoices.members[index];
+    return opponentVoices?.members[index];
   }
 
   public function getPlayerVoiceWaveform():Null<WaveformData>
   {
-    if (playerVoices.members.length == 0) return null;
+    if (playerVoices?.members.length == 0) return null;
 
-    return playerVoices.members[0].waveformData;
+    return playerVoices?.members[0].waveformData;
   }
 
   public function getOpponentVoiceWaveform():Null<WaveformData>
   {
-    if (opponentVoices.members.length == 0) return null;
+    if (opponentVoices?.members.length == 0) return null;
 
-    return opponentVoices.members[0].waveformData;
+    return opponentVoices?.members[0].waveformData;
   }
 
   /**
@@ -133,9 +134,9 @@ class VoicesGroup extends SoundGroup
    */
   public function getPlayerVoiceLength():Float
   {
-    if (playerVoices.members.length == 0) return 0.0;
+    if (playerVoices?.members.length == 0) return 0.0;
 
-    return playerVoices.members[0].length;
+    return playerVoices?.members[0]?.length ?? 0.0;
   }
 
   /**
@@ -143,15 +144,15 @@ class VoicesGroup extends SoundGroup
    */
   public function getOpponentVoiceLength():Float
   {
-    if (opponentVoices.members.length == 0) return 0.0;
+    if (opponentVoices?.members.length == 0) return 0.0;
 
-    return opponentVoices.members[0].length;
+    return opponentVoices?.members[0]?.length ?? 0.0;
   }
 
   public override function clear():Void
   {
-    playerVoices.clear();
+    playerVoices?.clear();
-    opponentVoices.clear();
+    opponentVoices?.clear();
     super.clear();
   }
 
@@ -159,13 +160,13 @@ class VoicesGroup extends SoundGroup
   {
     if (playerVoices != null)
     {
-      playerVoices.destroy();
+      playerVoices?.destroy();
       playerVoices = null;
     }
 
     if (opponentVoices != null)
     {
-      opponentVoices.destroy();
+      opponentVoices?.destroy();
       opponentVoices = null;
     }
 

source/funkin/audio/visualize/ABot.hx

@@ -3,6 +3,7 @@ package funkin.audio.visualize;
 import flixel.FlxSprite;
 import flixel.group.FlxSpriteGroup.FlxTypedSpriteGroup;
 
+@:nullSafety
 class ABot extends FlxTypedSpriteGroup<FlxSprite>
 {
   public function new()

source/funkin/audio/visualize/ABotVis.hx

@@ -116,7 +116,7 @@ class ABotVis extends FlxTypedSpriteGroup<FlxSprite>
 
     for (i in 0...min(group.members.length, levels.length))
     {
-      var animFrame:Int = Math.round(levels[i].value * 6);
+      var animFrame:Int = (FlxG.sound.volume == 0 || FlxG.sound.muted) ? 0 : Math.round(levels[i].value * 6);
 
       // don't display if we're at 0 volume from the level
       group.members[i].visible = animFrame > 0;

source/funkin/audio/visualize/PolygonVisGroup.hx

@@ -3,11 +3,12 @@ package funkin.audio.visualize;
 import flixel.group.FlxGroup.FlxTypedGroup;
 import flixel.sound.FlxSound;
 
+@:nullSafety
 class PolygonVisGroup extends FlxTypedGroup<PolygonSpectogram>
 {
-  public var playerVis:PolygonSpectogram;
+  public var playerVis:Null<PolygonSpectogram>;
-  public var opponentVis:PolygonSpectogram;
+  public var opponentVis:Null<PolygonSpectogram>;
-  public var instVis:PolygonSpectogram;
+  public var instVis:Null<PolygonSpectogram>;
 
   public function new()
   {
@@ -99,8 +100,14 @@ class PolygonVisGroup extends FlxTypedGroup<PolygonSpectogram>
 
   public override function destroy():Void
   {
-    playerVis.destroy();
+    if (playerVis != null)
-    opponentVis.destroy();
+    {
+      playerVis.destroy();
+    }
+    if (opponentVis != null)
+    {
+      opponentVis.destroy();
+    }
     super.destroy();
   }
 }

source/funkin/audio/visualize/dsp/Complex.hx

@@ -4,6 +4,7 @@ package funkin.audio.visualize.dsp;
   Complex number representation.
 **/
 @:forward(real, imag) @:notNull @:pure
+@:nullSafety
 abstract Complex({
   final real:Float;
   final imag:Float;

source/funkin/audio/visualize/dsp/FFT.hx

@@ -8,6 +8,7 @@ using funkin.audio.visualize.dsp.Signal;
 /**
   Fast/Finite Fourier Transforms.
 **/
+@:nullSafety
 class FFT
 {
   /**

source/funkin/audio/visualize/dsp/OffsetArray.hx

@@ -6,6 +6,7 @@ package funkin.audio.visualize.dsp;
   Usages include 1-indexed sequences or zero-centered buffers with negative indexing.
 **/
 @:forward(array, offset)
+@:nullSafety
 abstract OffsetArray<T>({
   final array:Array<T>;
   final offset:Int;

source/funkin/audio/visualize/dsp/Signal.hx

@@ -5,12 +5,13 @@ using Lambda;
 /**
   Signal processing miscellaneous utilities.
 **/
+@:nullSafety
 class Signal
 {
   /**
     Returns a smoothed version of the input array using a moving average.
   **/
-  public static function smooth(y:Array<Float>, n:Int):Array<Float>
+  public static function smooth(y:Array<Float>, n:Int):Null<Array<Float>>
   {
     if (n <= 0)
     {

source/funkin/audio/waveform/WaveformDataParser.hx

@@ -2,6 +2,7 @@ package funkin.audio.waveform;
 
 import funkin.util.TimerUtil;
 
+@:nullSafety
 class WaveformDataParser
 {
   static final INT16_MAX:Int = 32767;
@@ -10,7 +11,7 @@ class WaveformDataParser
   static final INT8_MAX:Int = 127;
   static final INT8_MIN:Int = -128;
 
-  public static function interpretFlxSound(sound:flixel.sound.FlxSound):Null<WaveformData>
+  public static function interpretFlxSound(sound:Null<flixel.sound.FlxSound>):Null<WaveformData>
   {
     if (sound == null) return null;
 

source/funkin/data/BaseRegistry.hx

@@ -15,6 +15,7 @@ typedef EntryConstructorFunction = String->Void;
  * @param T The type to construct. Must implement `IRegistryEntry`.
  * @param J The type of the JSON data used when constructing.
  */
+@:nullSafety
 @:generic
 @:autoBuild(funkin.util.macro.DataRegistryMacro.buildRegistry())
 abstract class BaseRegistry<T:(IRegistryEntry<J> & Constructible<EntryConstructorFunction>), J>
@@ -115,7 +116,7 @@ abstract class BaseRegistry<T:(IRegistryEntry<J> & Constructible<EntryConstructo
     {
       try
       {
-        var entry:T = createEntry(entryId);
+        var entry:Null<T> = createEntry(entryId);
         if (entry != null)
         {
           trace('  Loaded entry data: ${entry}');
@@ -165,7 +166,7 @@ abstract class BaseRegistry<T:(IRegistryEntry<J> & Constructible<EntryConstructo
    * @param id The ID of the entry.
    * @return The class name, or `null` if it does not exist.
    */
-  public function getScriptedEntryClassName(id:String):String
+  public function getScriptedEntryClassName(id:String):Null<String>
   {
     return scriptedEntryIds.get(id);
   }
@@ -216,7 +217,7 @@ abstract class BaseRegistry<T:(IRegistryEntry<J> & Constructible<EntryConstructo
   public function fetchEntryVersion(id:String):Null<thx.semver.Version>
   {
     var entryStr:String = loadEntryFile(id).contents;
-    var entryVersion:thx.semver.Version = VersionUtil.getVersionFromJSON(entryStr);
+    var entryVersion:Null<thx.semver.Version> = VersionUtil.getVersionFromJSON(entryStr);
     return entryVersion;
   }
 

source/funkin/data/DataError.hx

@@ -4,6 +4,7 @@ import json2object.Position;
 import json2object.Position.Line;
 import json2object.Error;
 
+@:nullSafety
 class DataError
 {
   public static function printError(error:Error):Void

source/funkin/data/DataParse.hx

@@ -19,6 +19,7 @@ import thx.semver.VersionRule;
  *
  * Functions must be of the signature `(hxjsonast.Json, String) -> T`, where the String is the property name and `T` is the type of the property.
  */
+@:nullSafety
 class DataParse
 {
   /**
@@ -146,7 +147,6 @@ class DataParse
             throw 'Expected Backdrop property $name to be specify a valid "type", but it was "${backdropType}".';
         }
 
-        return null;
       default:
         throw 'Expected property $name to be an object, but it was ${json.value}.';
     }
@@ -310,6 +310,7 @@ class DataParse
         var length:Null<Float> = values[2] == null ? null : Tools.getValue(values[2]);
         var alt:Null<Bool> = values[3] == null ? null : Tools.getValue(values[3]);
 
+        if (time == null || data == null) throw 'Property $name note is missing time and/or data values.';
         return new LegacyNote(time, data, length, alt);
       // return null;
       default:

source/funkin/data/DataWrite.hx

@@ -12,6 +12,7 @@ import haxe.ds.Either;
  *
  * NOTE: Result must include quotation marks if the value is a string! json2object will not add them for you!
  */
+@:nullSafety
 class DataWrite
 {
   /**

source/funkin/data/animation/AnimationData.hx

@@ -1,8 +1,9 @@
 package funkin.data.animation;
 
+@:nullSafety
 class AnimationDataUtil
 {
-  public static function toNamed(data:UnnamedAnimationData, ?name:String = ""):AnimationData
+  public static function toNamed(data:UnnamedAnimationData, name:String = ""):AnimationData
   {
     return {
       name: name,
@@ -22,7 +23,7 @@ class AnimationDataUtil
    * @param name (adds index to name)
    * @return Array<AnimationData>
    */
-  public static function toNamedArray(data:Array<UnnamedAnimationData>, ?name:String = ""):Array<AnimationData>
+  public static function toNamedArray(data:Array<UnnamedAnimationData>, name:String = ""):Array<AnimationData>
   {
     return data.mapi(function(animItem, ind) return toNamed(animItem, '$name$ind'));
   }

source/funkin/data/dialogue/conversation/ConversationRegistry.hx

@@ -5,6 +5,7 @@ import funkin.play.cutscene.dialogue.ScriptedConversation;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class ConversationRegistry extends BaseRegistry<Conversation, ConversationData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/data/dialogue/dialoguebox/DialogueBoxRegistry.hx

@@ -6,6 +6,7 @@ import funkin.play.cutscene.dialogue.ScriptedDialogueBox;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class DialogueBoxRegistry extends BaseRegistry<DialogueBox, DialogueBoxData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/data/dialogue/speaker/SpeakerRegistry.hx

@@ -5,6 +5,7 @@ import funkin.play.cutscene.dialogue.ScriptedSpeaker;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class SpeakerRegistry extends BaseRegistry<Speaker, SpeakerData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/data/event/SongEventRegistry.hx

@@ -8,6 +8,7 @@ import funkin.play.event.ScriptedSongEvent;
 /**
  * This class statically handles the parsing of internal and scripted song event handlers.
  */
+@:nullSafety
 class SongEventRegistry
 {
   /**
@@ -87,14 +88,14 @@ class SongEventRegistry
     return eventCache.values();
   }
 
-  public static function getEvent(id:String):SongEvent
+  public static function getEvent(id:String):Null<SongEvent>
   {
     return eventCache.get(id);
   }
 
-  public static function getEventSchema(id:String):SongEventSchema
+  public static function getEventSchema(id:String):Null<SongEventSchema>
   {
-    var event:SongEvent = getEvent(id);
+    var event:Null<SongEvent> = getEvent(id);
     if (event == null) return null;
 
     return event.getEventSchema();
@@ -108,7 +109,7 @@ class SongEventRegistry
   public static function handleEvent(data:SongEventData):Void
   {
     var eventKind:String = data.eventKind;
-    var eventHandler:SongEvent = eventCache.get(eventKind);
+    var eventHandler:Null<SongEvent> = eventCache.get(eventKind);
 
     if (eventHandler != null)
     {

source/funkin/data/freeplay/album/AlbumRegistry.hx

@@ -6,6 +6,7 @@ import funkin.ui.freeplay.ScriptedAlbum;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class AlbumRegistry extends BaseRegistry<Album, AlbumData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/data/freeplay/player/PlayerRegistry.hx

@@ -7,6 +7,7 @@ import funkin.save.Save;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class PlayerRegistry extends BaseRegistry<PlayableCharacter, PlayerData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/data/freeplay/style/FreeplayStyleRegistry.hx

@@ -6,6 +6,7 @@ import funkin.ui.freeplay.ScriptedFreeplayStyle;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class FreeplayStyleRegistry extends BaseRegistry<FreeplayStyle, FreeplayStyleData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/data/notestyle/NoteStyleRegistry.hx

@@ -6,6 +6,7 @@ import funkin.data.notestyle.NoteStyleData;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class NoteStyleRegistry extends BaseRegistry<NoteStyle, NoteStyleData> implements ISingleton implements DefaultRegistryImpl
 {
   /**
@@ -24,6 +25,8 @@ class NoteStyleRegistry extends BaseRegistry<NoteStyle, NoteStyleData> implement
 
   public function fetchDefault():NoteStyle
   {
-    return fetchEntry(Constants.DEFAULT_NOTE_STYLE);
+    var notestyle:Null<NoteStyle> = fetchEntry(Constants.DEFAULT_NOTE_STYLE);
+    if (notestyle == null) throw 'Default notestyle was null! This should not happen!';
+    return notestyle;
   }
 }

source/funkin/data/song/SongData.hx

@@ -68,11 +68,12 @@ class SongMetadata implements ICloneable<SongMetadata>
   @:jignored
   public var variation:String;
 
-  public function new(songName:String, artist:String, ?variation:String)
+  public function new(songName:String, artist:String, ?charter:String, ?variation:String)
   {
     this.version = SongRegistry.SONG_METADATA_VERSION;
     this.songName = songName;
     this.artist = artist;
+    this.charter = (charter == null) ? null : charter;
     this.timeFormat = 'ms';
     this.divisions = null;
     this.offsets = new SongOffsets();
@@ -96,7 +97,7 @@ class SongMetadata implements ICloneable<SongMetadata>
    */
   public function clone():SongMetadata
   {
-    var result:SongMetadata = new SongMetadata(this.songName, this.artist, this.variation);
+    var result:SongMetadata = new SongMetadata(this.songName, this.artist, this.charter, this.variation);
     result.version = this.version;
     result.timeFormat = this.timeFormat;
     result.divisions = this.divisions;
@@ -139,7 +140,7 @@ class SongMetadata implements ICloneable<SongMetadata>
    */
   public function toString():String
   {
-    return 'SongMetadata(${this.songName} by ${this.artist}, variation ${this.variation})';
+    return 'SongMetadata(${this.songName} by ${this.artist} and ${this.charter}, variation ${this.variation})';
   }
 }
 

source/funkin/data/song/SongDataUtils.hx

@@ -5,13 +5,13 @@ import funkin.data.song.SongData.SongEventData;
 import funkin.data.song.SongData.SongNoteData;
 import funkin.data.song.SongData.SongTimeChange;
 import funkin.util.ClipboardUtil;
-import funkin.util.SerializerUtil;
 
 using Lambda;
 
 /**
  * Utility functions for working with song data, including note data, event data, metadata, etc.
  */
+@:nullSafety
 class SongDataUtils
 {
   /**
@@ -28,7 +28,7 @@ class SongDataUtils
       var time:Float = note.time + offset;
       var data:Int = note.data;
       var length:Float = note.length;
-      var kind:String = note.kind;
+      var kind:Null<String> = note.kind;
       return new SongNoteData(time, data, length, kind);
     };
 
@@ -132,7 +132,7 @@ class SongDataUtils
    * Create an array of notes whose note data is flipped (player becomes opponent and vice versa)
    * Does not mutate the original array.
    */
-  public static function flipNotes(notes:Array<SongNoteData>, ?strumlineSize:Int = 4):Array<SongNoteData>
+  public static function flipNotes(notes:Array<SongNoteData>, strumlineSize:Int = 4):Array<SongNoteData>
   {
     return notes.map(function(note:SongNoteData):SongNoteData {
       var newData = note.data;
@@ -150,7 +150,7 @@ class SongDataUtils
    *
    * Offset the provided array of notes such that the first note is at 0 milliseconds.
    */
-  public static function buildNoteClipboard(notes:Array<SongNoteData>, ?timeOffset:Int = null):Array<SongNoteData>
+  public static function buildNoteClipboard(notes:Array<SongNoteData>, ?timeOffset:Int):Array<SongNoteData>
   {
     if (notes.length == 0) return notes;
     if (timeOffset == null) timeOffset = Std.int(notes[0].time);
@@ -162,7 +162,7 @@ class SongDataUtils
    *
    * Offset the provided array of events such that the first event is at 0 milliseconds.
    */
-  public static function buildEventClipboard(events:Array<SongEventData>, ?timeOffset:Int = null):Array<SongEventData>
+  public static function buildEventClipboard(events:Array<SongEventData>, ?timeOffset:Int):Array<SongEventData>
   {
     if (events.length == 0) return events;
     if (timeOffset == null) timeOffset = Std.int(events[0].time);

source/funkin/data/song/SongNoteDataUtils.hx

@@ -0,0 +1,138 @@
+package funkin.data.song;
+
+using SongData.SongNoteData;
+
+/**
+ * Utility class for extra handling of song notes
+ */
+@:nullSafety
+class SongNoteDataUtils
+{
+  static final CHUNK_INTERVAL_MS:Float = 2500;
+
+  /**
+   * Retrieves all stacked notes. It does this by cycling through "chunks" of notes within a certain interval.
+   *
+   * @param notes Sorted notes by time.
+   * @param threshold The note stack threshold. Refer to `doNotesStack` for more details.
+   * @param includeOverlapped (Optional) If overlapped notes should be included.
+   * @param overlapped (Optional) An array that gets populated with overlapped notes.
+   * Note that it's only guaranteed to work properly if the provided notes are sorted.
+   * @return Stacked notes.
+   */
+  public static function listStackedNotes(notes:Array<SongNoteData>, threshold:Float, includeOverlapped:Bool = true,
+      ?overlapped:Array<SongNoteData>):Array<SongNoteData>
+  {
+    var stackedNotes:Array<SongNoteData> = [];
+
+    var chunkTime:Float = 0;
+    var chunks:Array<Array<SongNoteData>> = [[]];
+
+    for (note in notes)
+    {
+      if (note == null)
+      {
+        continue;
+      }
+
+      while (note.time >= chunkTime + CHUNK_INTERVAL_MS)
+      {
+        chunkTime += CHUNK_INTERVAL_MS;
+        chunks.push([]);
+      }
+
+      chunks[chunks.length - 1].push(note);
+    }
+
+    for (chunk in chunks)
+    {
+      for (i in 0...(chunk.length - 1))
+      {
+        for (j in (i + 1)...chunk.length)
+        {
+          var noteI:SongNoteData = chunk[i];
+          var noteJ:SongNoteData = chunk[j];
+
+          if (doNotesStack(noteI, noteJ, threshold))
+          {
+            if (!stackedNotes.fastContains(noteI))
+            {
+              if (includeOverlapped) stackedNotes.push(noteI);
+
+              if (overlapped != null && !overlapped.contains(noteI)) overlapped.push(noteI);
+            }
+
+            if (!stackedNotes.fastContains(noteJ))
+            {
+              stackedNotes.push(noteJ);
+            }
+          }
+        }
+      }
+    }
+
+    return stackedNotes;
+  }
+
+  /**
+   * Concatenates two arrays of notes but overwrites notes in `lhs` that are overlapped by notes in `rhs`.
+   * Hold notes are only overwritten by longer hold notes.
+   * This operation only modifies the second array and `overwrittenNotes`.
+   *
+   * @param lhs An array of notes
+   * @param rhs An array of notes to concatenate into `lhs`
+   * @param overwrittenNotes An optional array that is modified in-place with the notes in `lhs` that were overwritten.
+   * @param threshold The note stack threshold. Refer to `doNotesStack` for more details.
+   * @return The unsorted resulting array.
+   */
+  public static function concatOverwrite(lhs:Array<SongNoteData>, rhs:Array<SongNoteData>, ?overwrittenNotes:Array<SongNoteData>,
+      threshold:Float = 0):Array<SongNoteData>
+  {
+    if (lhs == null || rhs == null || rhs.length == 0) return lhs;
+    if (lhs.length == 0) return rhs;
+
+    var result = lhs.copy();
+    for (i in 0...rhs.length)
+    {
+      var noteB:SongNoteData = rhs[i];
+      var hasOverlap:Bool = false;
+
+      for (j in 0...lhs.length)
+      {
+        var noteA:SongNoteData = lhs[j];
+        if (doNotesStack(noteA, noteB, threshold))
+        {
+          // Long hold notes should have priority over shorter hold notes
+          if (noteA.length <= noteB.length)
+          {
+            overwrittenNotes?.push(result[j].clone());
+            result[j] = noteB;
+          }
+          hasOverlap = true;
+          break;
+        }
+      }
+
+      if (!hasOverlap) result.push(noteB);
+    }
+
+    return result;
+  }
+
+  /**
+   * @param noteA First note.
+   * @param noteB Second note.
+   * @param threshold The note stack threshold, in steps.
+   * @return Returns `true` if both notes are on the same strumline, have the same direction
+   * and their time difference in steps is less than the step-based threshold.
+   * A threshold of 0 will return `true` if notes are nearly perfectly aligned.
+   */
+  public static function doNotesStack(noteA:SongNoteData, noteB:SongNoteData, threshold:Float = 0):Bool
+  {
+    if (noteA.data != noteB.data) return false;
+    else if (threshold == 0) return Math.ffloor(Math.abs(noteA.time - noteB.time)) < 1;
+
+    final stepDiff:Float = Math.abs(noteA.getStepTime() - noteB.getStepTime());
+    return stepDiff <= threshold + 0.001;
+  }
+}

source/funkin/data/song/SongRegistry.hx

@@ -324,7 +324,7 @@ class SongRegistry extends BaseRegistry<Song, SongMetadata> implements ISingleto
     }
     else
     {
-      throw '[${registryId}] Chart entry ${id}:${variation} does not support migration to version ${SONG_CHART_DATA_VERSION_RULE}.';
+      throw '[${registryId}] Chart entry ${id}:${variation} does not support migration to version ${SONG_MUSIC_DATA_VERSION_RULE}.';
     }
   }
 
@@ -337,7 +337,7 @@ class SongRegistry extends BaseRegistry<Song, SongMetadata> implements ISingleto
     }
     else
     {
-      throw '[${registryId}] Chart entry "$fileName" does not support migration to version ${SONG_CHART_DATA_VERSION_RULE}.';
+      throw '[${registryId}] Chart entry "$fileName" does not support migration to version ${SONG_MUSIC_DATA_VERSION_RULE}.';
     }
   }
 

source/funkin/data/song/importer/FNFLegacyImporter.hx

@@ -9,9 +9,10 @@ import funkin.data.song.SongData.SongTimeChange;
 import funkin.data.song.importer.FNFLegacyData;
 import funkin.data.song.importer.FNFLegacyData.LegacyNoteSection;
 
+@:nullSafety
 class FNFLegacyImporter
 {
-  public static function parseLegacyDataRaw(input:String, fileName:String = 'raw'):FNFLegacyData
+  public static function parseLegacyDataRaw(input:String, fileName:String = 'raw'):Null<FNFLegacyData>
   {
     var parser = new json2object.JsonParser<FNFLegacyData>();
     parser.ignoreUnknownVariables = true; // Set to true to ignore extra variables that might be included in the JSON.
@@ -38,16 +39,14 @@ class FNFLegacyImporter
 
     var songMetadata:SongMetadata = new SongMetadata('Import', Constants.DEFAULT_ARTIST, 'default');
 
-    var hadError:Bool = false;
-
     // Set generatedBy string for debugging.
     songMetadata.generatedBy = 'Chart Editor Import (FNF Legacy)';
 
-    songMetadata.playData.stage = songData?.song?.stageDefault ?? 'mainStage';
+    songMetadata.playData.stage = songData.song?.stageDefault ?? 'mainStage';
-    songMetadata.songName = songData?.song?.song ?? 'Import';
+    songMetadata.songName = songData.song?.song ?? 'Import';
     songMetadata.playData.difficulties = [];
 
-    if (songData?.song?.notes != null)
+    if (songData.song?.notes != null)
     {
       switch (songData.song.notes)
       {
@@ -65,7 +64,7 @@ class FNFLegacyImporter
 
     songMetadata.timeChanges = rebuildTimeChanges(songData);
 
-    songMetadata.playData.characters = new SongCharacterData(songData?.song?.player1 ?? 'bf', 'gf', songData?.song?.player2 ?? 'dad');
+    songMetadata.playData.characters = new SongCharacterData(songData.song?.player1 ?? 'bf', 'gf', songData.song?.player2 ?? 'dad');
 
     return songMetadata;
   }
@@ -76,7 +75,7 @@ class FNFLegacyImporter
 
     var songChartData:SongChartData = new SongChartData([difficulty => 1.0], [], [difficulty => []]);
 
-    if (songData?.song?.notes != null)
+    if (songData.song?.notes != null)
     {
       switch (songData.song.notes)
       {
@@ -84,7 +83,6 @@ class FNFLegacyImporter
           // One difficulty of notes.
           songChartData.notes.set(difficulty, migrateNoteSections(notes));
         case Right(difficulties):
-          var baseDifficulty = null;
           if (difficulties.easy != null) songChartData.notes.set('easy', migrateNoteSections(difficulties.easy));
           if (difficulties.normal != null) songChartData.notes.set('normal', migrateNoteSections(difficulties.normal));
           if (difficulties.hard != null) songChartData.notes.set('hard', migrateNoteSections(difficulties.hard));
@@ -124,8 +122,8 @@ class FNFLegacyImporter
         noteSections = notes;
       case Right(difficulties):
         if (difficulties.normal != null) noteSections = difficulties.normal;
-        if (difficulties.hard != null) noteSections = difficulties.normal;
+        if (difficulties.hard != null) noteSections = difficulties.hard;
-        if (difficulties.easy != null) noteSections = difficulties.normal;
+        if (difficulties.easy != null) noteSections = difficulties.easy;
     }
 
     if (noteSections == null || noteSections.length == 0) return result;
@@ -158,7 +156,7 @@ class FNFLegacyImporter
   {
     var result:Array<SongTimeChange> = [];
 
-    result.push(new SongTimeChange(0, songData?.song?.bpm ?? Constants.DEFAULT_BPM));
+    result.push(new SongTimeChange(0, songData.song?.bpm ?? Constants.DEFAULT_BPM));
 
     var noteSections = [];
     switch (songData.song.notes)
@@ -168,8 +166,8 @@ class FNFLegacyImporter
         noteSections = notes;
       case Right(difficulties):
         if (difficulties.normal != null) noteSections = difficulties.normal;
-        if (difficulties.hard != null) noteSections = difficulties.normal;
+        if (difficulties.hard != null) noteSections = difficulties.hard;
-        if (difficulties.easy != null) noteSections = difficulties.normal;
+        if (difficulties.easy != null) noteSections = difficulties.easy;
     }
 
     if (noteSections == null || noteSections.length == 0) return result;
@@ -179,7 +177,7 @@ class FNFLegacyImporter
       if (noteSection.changeBPM ?? false)
       {
         var firstNote:LegacyNote = noteSection.sectionNotes[0];
-        if (firstNote != null) result.push(new SongTimeChange(firstNote.time, noteSection.bpm));
+        if (firstNote != null) result.push(new SongTimeChange(firstNote.time, noteSection.bpm ?? Constants.DEFAULT_BPM));
       }
     }
 

source/funkin/data/stage/StageData.hx

@@ -205,7 +205,7 @@ typedef StageDataProp =
 
   /**
    * The angle of the prop, as a float.
-   * @default 1.0
+   * @default 0.0
    */
   @:optional
   @:default(0.0)
@@ -284,7 +284,7 @@ typedef StageDataCharacter =
 
   /**
    * The angle of the character, as a float.
-   * @default 1.0
+   * @default 0.0
    */
   @:optional
   @:default(0.0)

source/funkin/data/stage/StageRegistry.hx

@@ -5,6 +5,7 @@ import funkin.play.stage.ScriptedStage;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class StageRegistry extends BaseRegistry<Stage, StageData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/data/stickers/StickerRegistry.hx

@@ -4,6 +4,7 @@ import funkin.data.stickers.StickerData;
 import funkin.ui.transition.stickers.StickerPack;
 import funkin.ui.transition.stickers.ScriptedStickerPack;
 
+@:nullSafety
 class StickerRegistry extends BaseRegistry<StickerPack, StickerData>
 {
   /**
@@ -24,7 +25,9 @@ class StickerRegistry extends BaseRegistry<StickerPack, StickerData>
 
   public function fetchDefault():StickerPack
   {
-    return fetchEntry(Constants.DEFAULT_STICKER_PACK);
+    var stickerPack:Null<StickerPack> = fetchEntry(Constants.DEFAULT_STICKER_PACK);
+    if (stickerPack == null) throw 'Default sticker pack was null! This should not happen!';
+    return stickerPack;
   }
 
   /**

source/funkin/data/story/level/LevelRegistry.hx

@@ -6,6 +6,7 @@ import funkin.ui.story.ScriptedLevel;
 import funkin.util.tools.ISingleton;
 import funkin.data.DefaultRegistryImpl;
 
+@:nullSafety
 class LevelRegistry extends BaseRegistry<Level, LevelData> implements ISingleton implements DefaultRegistryImpl
 {
   /**

source/funkin/graphics/FlxFilteredSprite.hx

@@ -32,6 +32,7 @@ import openfl.display._internal.CairoGraphics as GfxRenderer;
  * A modified `FlxSprite` that supports filters.
  * The name's pretty much self-explanatory.
  */
+@:nullSafety
 @:access(openfl.geom.Rectangle)
 @:access(openfl.filters.BitmapFilter)
 @:access(flixel.graphics.frames.FlxFrame)
@@ -39,12 +40,12 @@ class FlxFilteredSprite extends FlxSprite
 {
   @:noCompletion var _renderer:FlxAnimateFilterRenderer = new FlxAnimateFilterRenderer();
 
-  @:noCompletion var _filterMatrix:FlxMatrix;
+  @:noCompletion var _filterMatrix:FlxMatrix = new FlxMatrix();
 
   /**
    * An `Array` of shader filters (aka `BitmapFilter`).
    */
-  public var filters(default, set):Array<BitmapFilter>;
+  public var filters(default, set):Null<Array<BitmapFilter>>;
 
   /**
    * a flag to update the image with the filters.
@@ -52,11 +53,15 @@ class FlxFilteredSprite extends FlxSprite
    */
   public var filterDirty:Bool = false;
 
-  @:noCompletion var filtered:Bool;
+  @:noCompletion var filtered:Bool = false;
 
+  // These appear to be a little troublesome to null safe.
+  @:nullSafety(Off)
   @:noCompletion var _blankFrame:FlxFrame;
 
+  @:nullSafety(Off)
   var _filterBmp1:BitmapData;
+  @:nullSafety(Off)
   var _filterBmp2:BitmapData;
 
   override public function update(elapsed:Float)
@@ -162,6 +167,7 @@ class FlxFilteredSprite extends FlxSprite
       }
       _flashRect.width += frameWidth;
       _flashRect.height += frameHeight;
+      @:nullSafety(Off)
       if (_blankFrame == null) _blankFrame = new FlxFrame(null);
 
       if (_blankFrame.parent == null || _flashRect.width > _blankFrame.parent.width || _flashRect.height > _blankFrame.parent.height)
@@ -178,6 +184,7 @@ class FlxFilteredSprite extends FlxSprite
         _filterBmp2 = new BitmapData(_blankFrame.parent.width, _blankFrame.parent.height, 0);
       }
       _blankFrame.offset.copyFrom(_frame.offset);
+      @:nullSafety(Off)
       _blankFrame.parent.bitmap = _renderer.applyFilter(_blankFrame.parent.bitmap, _filterBmp1, _filterBmp2, frame.parent.bitmap, filters, _flashRect,
         frame.frame.copyToFlash());
       _blankFrame.frame = FlxRect.get(0, 0, _blankFrame.parent.bitmap.width, _blankFrame.parent.bitmap.height);
@@ -193,7 +200,7 @@ class FlxFilteredSprite extends FlxSprite
   }
 
   @:noCompletion
-  function set_filters(value:Array<BitmapFilter>)
+  function set_filters(value:Null<Array<BitmapFilter>>)
   {
     if (filters != value) filterDirty = true;
 

source/funkin/graphics/FunkinCamera.hx

@@ -24,6 +24,7 @@ import openfl.filters.ShaderFilter;
  *   - NOTE: Several other blend modes work without FunkinCamera. Some still do not work.
  * - NOTE: Framerate-independent camera tweening is fixed in Flixel 6.x. Rest in peace, SwagCamera.
  */
+@:nullSafety
 @:access(openfl.display.DisplayObject)
 @:access(openfl.display.BitmapData)
 @:access(openfl.display3D.Context3D)
@@ -50,11 +51,12 @@ class FunkinCamera extends FlxCamera
   // Used to identify the camera during debugging.
   final id:String = 'unknown';
 
+  @:nullSafety(Off)
   public function new(id:String = 'unknown', x:Int = 0, y:Int = 0, width:Int = 0, height:Int = 0, zoom:Float = 0)
   {
     super(x, y, width, height, zoom);
     this.id = id;
-    bgTexture = pickTexture(width, height);
+    bgTexture = @:nullSafety(Off) pickTexture(width, height);
     bgBitmap = FixedBitmapData.fromTexture(bgTexture);
     bgFrame = new FlxFrame(new FlxGraphic('', null));
     bgFrame.parent.bitmap = bgBitmap;
@@ -74,12 +76,15 @@ class FunkinCamera extends FlxCamera
    * and the grabbed bitmap will not include any previously rendered sprites
    * @return the grabbed bitmap data
    */
-  public function grabScreen(applyFilters:Bool, isolate:Bool = false):BitmapData
+  public function grabScreen(applyFilters:Bool, isolate:Bool = false):Null<BitmapData>
   {
     final texture = pickTexture(width, height);
     final bitmap = FixedBitmapData.fromTexture(texture);
-    squashTo(bitmap, applyFilters, isolate);
+    if (bitmap != null)
-    grabbed.push(bitmap);
+    {
+      squashTo(bitmap, applyFilters, isolate);
+      grabbed.push(bitmap);
+    }
     return bitmap;
   }
 
@@ -126,12 +131,14 @@ class FunkinCamera extends FlxCamera
     if (applyFilters)
     {
       bitmap.draw(flashSprite, matrix);
+      @:nullSafety(Off) // TODO: Remove this once openfl.display.Sprite has been null safed.
       flashSprite.filters = null;
       filtersApplied = true;
     }
     else
     {
       final tmp = flashSprite.filters;
+      @:nullSafety(Off)
       flashSprite.filters = null;
       bitmap.draw(flashSprite, matrix);
       flashSprite.filters = tmp;
@@ -197,6 +204,7 @@ class FunkinCamera extends FlxCamera
       final isolated = grabScreen(false, true);
       // apply fullscreen blend
       customBlendShader.blendSwag = blend;
+      @:nullSafety(Off) // I hope this doesn't cause issues
       customBlendShader.sourceSwag = isolated;
       customBlendShader.updateViewInfo(FlxG.width, FlxG.height, this);
       applyFilter(customBlendFilter);
@@ -228,7 +236,7 @@ class FunkinCamera extends FlxCamera
     bgItemCount = 0;
   }
 
-  function pickTexture(width:Int, height:Int):TextureBase
+  function pickTexture(width:Int, height:Int):Null<TextureBase>
   {
     // zero-sized textures will be problematic
     width = width < 1 ? 1 : width;
@@ -236,7 +244,9 @@ class FunkinCamera extends FlxCamera
     if (texturePool.length > 0)
     {
       final res = texturePool.pop();
-      BitmapDataUtil.resizeTexture(res, width, height);
+      if (res != null) BitmapDataUtil.resizeTexture(res, width, height);
+      else
+        trace('huh? why is this null? $texturePool');
       return res;
     }
     return Lib.current.stage.context3D.createTexture(width, height, BGRA, true);

source/funkin/graphics/FunkinSprite.hx

@@ -17,6 +17,7 @@ import flixel.FlxCamera;
  * - A more efficient method for creating solid color sprites.
  * - TODO: Better cache handling for textures.
  */
+@:nullSafety
 class FunkinSprite extends FlxSprite
 {
   /**
@@ -158,9 +159,14 @@ class FunkinSprite extends FlxSprite
    * @param input The OpenFL `TextureBase` to apply
    * @return This sprite, for chaining
    */
-  public function loadTextureBase(input:TextureBase):FunkinSprite
+  public function loadTextureBase(input:TextureBase):Null<FunkinSprite>
   {
-    var inputBitmap:FixedBitmapData = FixedBitmapData.fromTexture(input);
+    var inputBitmap:Null<FixedBitmapData> = FixedBitmapData.fromTexture(input);
+    if (inputBitmap == null)
+    {
+      FlxG.log.warn('loadTextureBase - input resulted in null bitmap! $input');
+      return null;
+    }
 
     return loadBitmapData(inputBitmap);
   }
@@ -219,7 +225,7 @@ class FunkinSprite extends FlxSprite
       // Move the graphic from the previous cache to the current cache.
       var graphic = previousCachedTextures.get(key);
       previousCachedTextures.remove(key);
-      currentCachedTextures.set(key, graphic);
+      if (graphic != null) currentCachedTextures.set(key, graphic);
       return;
     }
 
@@ -271,8 +277,9 @@ class FunkinSprite extends FlxSprite
 
   static function isGraphicCached(graphic:FlxGraphic):Bool
   {
+    var result = null;
     if (graphic == null) return false;
-    var result = FlxG.bitmap.get(graphic.key);
+    result = FlxG.bitmap.get(graphic.key);
     if (result == null) return false;
     if (result != graphic)
     {
@@ -288,8 +295,9 @@ class FunkinSprite extends FlxSprite
    */
   public function isAnimationDynamic(id:String):Bool
   {
+    var animData = null;
     if (this.animation == null) return false;
-    var animData = this.animation.getByName(id);
+    animData = this.animation.getByName(id);
     if (animData == null) return false;
     return animData.numFrames > 1;
   }
@@ -428,6 +436,7 @@ class FunkinSprite extends FlxSprite
 
   public override function destroy():Void
   {
+    @:nullSafety(Off) // TODO: Remove when flixel.FlxSprite is null safed.
     frames = null;
     // Cancel all tweens so they don't continue to run on a destroyed sprite.
     // This prevents crashes.

source/funkin/graphics/ScriptedFunkinSprite.hx

@@ -1,8 +1,8 @@
-package funkin.modding.base;
+package funkin.graphics;
 
 /**
  * A script that can be tied to a FunkinSprite.
  * Create a scripted class that extends FunkinSprite to use this.
  */
 @:hscriptClass
-class ScriptedFunkinSprite extends funkin.graphics.FunkinSprite implements HScriptedClass {}
+class ScriptedFunkinSprite extends funkin.graphics.FunkinSprite implements polymod.hscript.HScriptedClass {}

source/funkin/graphics/adobeanimate/FlxAtlasSprite.hx

@@ -11,6 +11,7 @@ import flxanimate.animate.FlxKeyFrame;
 /**
  * A sprite which provides convenience functions for rendering a texture atlas with animations.
  */
+@:nullSafety
 class FlxAtlasSprite extends FlxAnimate
 {
   static final SETTINGS:Settings =
@@ -40,10 +41,11 @@ class FlxAtlasSprite extends FlxAnimate
    */
   public var onAnimationLoop:FlxTypedSignal<String->Void> = new FlxTypedSignal();
 
-  var currentAnimation:String;
+  var currentAnimation:String = '';
 
   var canPlayOtherAnims:Bool = true;
 
+  @:nullSafety(Off) // null safety HATES new classes atm, it'll be fixed in haxe 4.0.0?
   public function new(x:Float, y:Float, ?path:String, ?settings:Settings)
   {
     if (settings == null) settings = SETTINGS;
@@ -110,7 +112,7 @@ class FlxAtlasSprite extends FlxAnimate
 
   var _completeAnim:Bool = false;
 
-  var fr:FlxKeyFrame = null;
+  var fr:Null<FlxKeyFrame> = null;
 
   var looping:Bool = false;
 
@@ -195,8 +197,9 @@ class FlxAtlasSprite extends FlxAnimate
 
       fr = null;
     }
+    var frameLabelNames = getFrameLabelNames();
     // Only call goToFrameLabel if there is a frame label with that name. This prevents annoying warnings!
-    if (getFrameLabelNames().indexOf(id) != -1)
+    if (frameLabelNames != null && frameLabelNames.indexOf(id) != -1)
     {
       goToFrameLabel(id);
       fr = anim.getFrameLabel(id);
@@ -266,7 +269,7 @@ class FlxAtlasSprite extends FlxAnimate
     this.anim.goToFrameLabel(label);
   }
 
-  function getFrameLabelNames(?layer:haxe.extern.EitherType<Int, String>):Array<String>
+  function getFrameLabelNames(?layer:haxe.extern.EitherType<Int, String>):Null<Array<String>>
   {
     var labels = this.anim.getFrameLabels(layer);
     var array = [];
@@ -374,6 +377,7 @@ class FlxAtlasSprite extends FlxAnimate
     var prevFrame:FlxFrame = prevFrames.get(index) ?? frames.getByIndex(index).copyTo();
     prevFrames.set(index, prevFrame);
 
+    @:nullSafety(Off) // TODO: Remove this once flixel.system.frontEnds.BitmapFrontEnd has been null safed
     var frame = FlxG.bitmap.add(graphic).imageFrame.frame;
     frame.copyTo(frames.getByIndex(index));
 

source/funkin/graphics/framebuffer/BitmapDataUtil.hx

@@ -12,6 +12,7 @@ import openfl.filters.BitmapFilter;
 /**
  * Provides cool stuff for `BitmapData`s that have a hardware texture internally.
  */
+@:nullSafety
 @:access(openfl.display.BitmapData)
 @:access(openfl.display3D.textures.TextureBase)
 @:access(openfl.display3D.Context3D)
@@ -19,7 +20,7 @@ class BitmapDataUtil
 {
   static function getCache():{sprite:Sprite, bitmap:Bitmap}
   {
-    static var cache:{sprite:Sprite, bitmap:Bitmap} = null;
+    static var cache:Null<{sprite:Sprite, bitmap:Bitmap}> = null;
     if (cache == null)
     {
       final sprite = new Sprite();
@@ -56,7 +57,7 @@ class BitmapDataUtil
    * @param format the format if the internal texture
    * @return the bitmap
    */
-  public static function create(width:Int, height:Int, format:Context3DTextureFormat = BGRA):FixedBitmapData
+  public static function create(width:Int, height:Int, format:Context3DTextureFormat = BGRA):Null<FixedBitmapData>
   {
     final texture = Lib.current.stage.context3D.createTexture(width, height, format, true);
     return FixedBitmapData.fromTexture(texture);
@@ -83,6 +84,7 @@ class BitmapDataUtil
    * @param width the width
    * @param height the height
    */
+  @:nullSafety(Off) // the final context there is causing an error, idk how to fix it
   public static function resizeTexture(texture:TextureBase, width:Int, height:Int):Void
   {
     if (texture.__width == width && texture.__height == height) return;
@@ -101,6 +103,7 @@ class BitmapDataUtil
    * @param dst the destination bitmap
    * @param src the source bitmap
    */
+  @:nullSafety(Off) // TODO: Remove this once openfl.display.Sprite has been null safed.
   public static function copy(dst:BitmapData, src:BitmapData):Void
   {
     hardwareCheck(dst);

source/funkin/graphics/framebuffer/FixedBitmapData.hx

@@ -10,6 +10,7 @@ import openfl.display3D.textures.TextureBase;
 /**
  * `BitmapData` is kinda broken so I fixed it.
  */
+@:nullSafety
 @:access(openfl.display3D.textures.TextureBase)
 @:access(openfl.display.OpenGLRenderer)
 class FixedBitmapData extends BitmapData
@@ -29,7 +30,7 @@ class FixedBitmapData extends BitmapData
    * @param texture the texture
    * @return the bitmap data
    */
-  public static function fromTexture(texture:TextureBase):FixedBitmapData
+  public static function fromTexture(texture:Null<TextureBase>):Null<FixedBitmapData>
   {
     if (texture == null) return null;
     final bitmapData:FixedBitmapData = new FixedBitmapData(texture.__width, texture.__height, true, 0);

source/funkin/graphics/rendering/MeshRender.hx

@@ -7,6 +7,7 @@ import flixel.util.FlxColor;
  * Yoinked from AustinEast, thanks hopefully u dont mind me using some of ur good code
  * instead of my dumbass ugly code bro
  */
+@:nullSafety
 class MeshRender extends FlxStrip
 {
   public var vertex_count(default, null):Int = 0;

source/funkin/graphics/shaders/AdjustColorShader.hx

@@ -2,12 +2,13 @@ package funkin.graphics.shaders;
 
 import flixel.addons.display.FlxRuntimeShader;
 
+@:nullSafety
 class AdjustColorShader extends FlxRuntimeShader
 {
-  public var hue(default, set):Float;
+  public var hue(default, set):Float = 0;
-  public var saturation(default, set):Float;
+  public var saturation(default, set):Float = 0;
-  public var brightness(default, set):Float;
+  public var brightness(default, set):Float = 0;
-  public var contrast(default, set):Float;
+  public var contrast(default, set):Float = 0;
 
   public function new()
   {

source/funkin/graphics/shaders/BlendModeEffect.hx

@@ -8,12 +8,13 @@ typedef BlendModeShader =
   var uBlendColor:ShaderParameter<Float>;
 }
 
+@:nullSafety
 class BlendModeEffect
 {
   public var shader(default, null):BlendModeShader;
 
   @:isVar
-  public var color(default, set):FlxColor;
+  public var color(default, set):FlxColor = new FlxColor();
 
   public function new(shader:BlendModeShader, color:FlxColor):Void
   {

source/funkin/graphics/shaders/BlendModesShader.hx

@@ -4,10 +4,11 @@ import flixel.addons.display.FlxRuntimeShader;
 import openfl.display.BitmapData;
 import openfl.display.ShaderInput;
 
+@:nullSafety
 class BlendModesShader extends FlxRuntimeShader
 {
-  public var camera:ShaderInput<BitmapData>;
+  public var camera:Null<ShaderInput<BitmapData>>;
-  public var cameraData:BitmapData;
+  public var cameraData:Null<BitmapData>;
 
   public function new()
   {

source/funkin/graphics/shaders/BlueFade.hx

@@ -5,7 +5,7 @@ import flixel.tweens.FlxTween;
 
 class BlueFade extends FlxShader
 {
-  public var fadeVal(default, set):Float;
+  public var fadeVal(default, set):Float = 1;
 
   function set_fadeVal(val:Float):Float
   {

source/funkin/graphics/shaders/GaussianBlurShader.hx

@@ -5,9 +5,10 @@ import flixel.addons.display.FlxRuntimeShader;
 /**
  * Note... not actually gaussian!
  */
+@:nullSafety
 class GaussianBlurShader extends FlxRuntimeShader
 {
-  public var amount:Float;
+  public var amount:Float = 1;
 
   public function new(amount:Float = 1.0)
   {

source/funkin/graphics/shaders/Grayscale.hx

@@ -2,6 +2,7 @@ package funkin.graphics.shaders;
 
 import flixel.addons.display.FlxRuntimeShader;
 
+@:nullSafety
 class Grayscale extends FlxRuntimeShader
 {
   public var amount:Float = 1;

source/funkin/graphics/shaders/HSVShader.hx

@@ -2,11 +2,12 @@ package funkin.graphics.shaders;
 
 import flixel.addons.display.FlxRuntimeShader;
 
+@:nullSafety
 class HSVShader extends FlxRuntimeShader
 {
-  public var hue(default, set):Float;
+  public var hue(default, set):Float = 1;
-  public var saturation(default, set):Float;
+  public var saturation(default, set):Float = 1;
-  public var value(default, set):Float;
+  public var value(default, set):Float = 1;
 
   public function new(h:Float = 1, s:Float = 1, v:Float = 1)
   {

source/funkin/graphics/shaders/InverseDotsShader.hx

@@ -5,9 +5,10 @@ import flixel.addons.display.FlxRuntimeShader;
 /**
  * Create a little dotting effect.
  */
+@:nullSafety
 class InverseDotsShader extends FlxRuntimeShader
 {
-  public var amount:Float;
+  public var amount:Float = 0;
 
   public function new(amount:Float = 1.0)
   {

source/funkin/graphics/shaders/MosaicEffect.hx

@@ -3,6 +3,7 @@ package funkin.graphics.shaders;
 import flixel.addons.display.FlxRuntimeShader;
 import flixel.math.FlxPoint;
 
+@:nullSafety
 class MosaicEffect extends FlxRuntimeShader
 {
   public var blockSize:FlxPoint = FlxPoint.get(1.0, 1.0);

source/funkin/graphics/shaders/PuddleShader.hx

@@ -3,6 +3,7 @@ package funkin.graphics.shaders;
 import flixel.addons.display.FlxRuntimeShader;
 import openfl.Assets;
 
+@:nullSafety
 class PuddleShader extends FlxRuntimeShader
 {
   public function new()

source/funkin/graphics/shaders/WaveShader.hx

@@ -2,6 +2,7 @@ package funkin.graphics.shaders;
 
 import flixel.system.FlxAssets.FlxShader;
 
+@:nullSafety
 class WaveShader extends FlxShader
 {
   @:glFragmentSource('

source/funkin/graphics/shaders/WiggleEffectRuntime.hx

@@ -18,16 +18,17 @@ enum WiggleEffectType
  * 2. Call `sprite.shader = wiggleEffect` on the target sprite.
  * 3. Call the update() method on the instance every frame.
  */
+@:nullSafety
 class WiggleEffectRuntime extends FlxRuntimeShader
 {
-  public static function getEffectTypeId(v:WiggleEffectType):Int
+  public static function getEffectTypeId(v:Null<WiggleEffectType>):Int
   {
     return WiggleEffectType.getConstructors().indexOf(Std.string(v));
   }
 
-  public var effectType(default, set):WiggleEffectType = DREAMY;
+  public var effectType(default, set):Null<WiggleEffectType> = DREAMY;
 
-  function set_effectType(v:WiggleEffectType):WiggleEffectType
+  function set_effectType(v:Null<WiggleEffectType>):Null<WiggleEffectType>
   {
     this.setInt('effectType', getEffectTypeId(v));
     return effectType = v;

source/funkin/graphics/video/FlxVideo.hx

@@ -13,6 +13,7 @@ import openfl.net.NetStream;
  * This does NOT replace hxvlc, nor does hxvlc replace this.
  * hxvlc only works on desktop and does not work on HTML5!
  */
+@:nullSafety
 class FlxVideo extends FunkinSprite
 {
   var video:Video;
@@ -22,14 +23,16 @@ class FlxVideo extends FunkinSprite
   /**
    * A callback to execute when the video finishes.
    */
-  public var finishCallback:Void->Void;
+  public var finishCallback:Null<Void->Void> = null;
 
+  @:nullSafety(Off)
   public function new(videoPath:String)
   {
     super();
 
     this.videoPath = videoPath;
 
+    @:nullSafety(Off) // Why do I to do this here as well for this to build?
     makeGraphic(2, 2, FlxColor.TRANSPARENT);
 
     video = new Video();
@@ -72,7 +75,7 @@ class FlxVideo extends FunkinSprite
   }
 
   var videoAvailable:Bool = false;
-  var frameTimer:Float;
+  var frameTimer:Float = 0;
 
   static final FRAME_RATE:Float = 60;
 

source/funkin/graphics/video/FunkinVideoSprite.hx

@@ -7,6 +7,7 @@ import hxvlc.flixel.FlxVideoSprite;
  * Not to be confused with FlxVideo, this is a hxvlc based video class
  * We override it simply to correct/control our volume easier.
  */
+@:nullSafety
 class FunkinVideoSprite extends FlxVideoSprite
 {
   public function new(x:Float = 0, y:Float = 0)

source/funkin/input/Controls.hx

@@ -1067,9 +1067,9 @@ class Controls extends FlxActionSet
       case Control.FREEPLAY_CHAR_SELECT:
         return [X];
       case Control.FREEPLAY_JUMP_TO_TOP:
-        return [];
+        return [RIGHT_STICK_DIGITAL_UP];
       case Control.FREEPLAY_JUMP_TO_BOTTOM:
-        return [];
+        return [RIGHT_STICK_DIGITAL_DOWN];
       case Control.VOLUME_UP:
         [];
       case Control.VOLUME_DOWN:

source/funkin/modding/PolymodHandler.hx

@@ -10,6 +10,7 @@ import funkin.data.notestyle.NoteStyleRegistry;
 import funkin.play.notes.notekind.NoteKindManager;
 import funkin.data.song.SongRegistry;
 import funkin.data.freeplay.player.PlayerRegistry;
+import funkin.data.freeplay.style.FreeplayStyleRegistry;
 import funkin.data.stage.StageRegistry;
 import funkin.data.stickers.StickerRegistry;
 import funkin.data.freeplay.album.AlbumRegistry;
@@ -255,9 +256,29 @@ class PolymodHandler
     Polymod.addImportAlias('lime.utils.Assets', funkin.Assets);
     Polymod.addImportAlias('openfl.utils.Assets', funkin.Assets);
 
+    // Backward compatibility for certain scripted classes outside `funkin.modding.base`.
+    Polymod.addImportAlias('funkin.modding.base.ScriptedFunkinSprite', funkin.graphics.ScriptedFunkinSprite);
+    Polymod.addImportAlias('funkin.modding.base.ScriptedMusicBeatState', funkin.ui.ScriptedMusicBeatState);
+    Polymod.addImportAlias('funkin.modding.base.ScriptedMusicBeatSubState', funkin.ui.ScriptedMusicBeatSubState);
+
     // `funkin.util.FileUtil` has unrestricted access to the file system.
     Polymod.addImportAlias('funkin.util.FileUtil', funkin.util.FileUtilSandboxed);
 
+    #if FEATURE_NEWGROUNDS
+    // `funkin.api.newgrounds.Leaderboards` allows for submitting cheated scores.
+    Polymod.addImportAlias('funkin.api.newgrounds.Leaderboards', funkin.api.newgrounds.Leaderboards.LeaderboardsSandboxed);
+
+    // `funkin.api.newgrounds.Medals` allows for unfair granting of medals.
+    Polymod.addImportAlias('funkin.api.newgrounds.Medals', funkin.api.newgrounds.Medals.MedalsSandboxed);
+
+    // `funkin.api.newgrounds.NewgroundsClientSandboxed` allows for submitting cheated data.
+    Polymod.addImportAlias('funkin.api.newgrounds.NewgroundsClient', funkin.api.newgrounds.NewgroundsClient.NewgroundsClientSandboxed);
+    #end
+
+    #if FEATURE_DISCORD_RPC
+    Polymod.addImportAlias('funkin.api.discord.DiscordClient', funkin.api.discord.DiscordClient.DiscordClientSandboxed);
+    #end
+
     // Add blacklisting for prohibited classes and packages.
 
     // `Sys`
@@ -276,9 +297,9 @@ class PolymodHandler
     // Lib.load() can load malicious DLLs
     Polymod.blacklistImport('cpp.Lib');
 
-    // `Unserializer`
+    // `haxe.Unserializer`
     // Unserializer.DEFAULT_RESOLVER.resolveClass() can access blacklisted packages
-    Polymod.blacklistImport('Unserializer');
+    Polymod.blacklistImport('haxe.Unserializer');
 
     // `lime.system.CFFI`
     // Can load and execute compiled binaries.
@@ -310,6 +331,7 @@ class PolymodHandler
     {
       if (cls == null) continue;
       var className:String = Type.getClassName(cls);
+      if (polymod.hscript._internal.PolymodScriptClass.importOverrides.exists(className)) continue;
       Polymod.blacklistImport(className);
     }
 
@@ -322,15 +344,6 @@ class PolymodHandler
       Polymod.blacklistImport(className);
     }
 
-    // `funkin.api.newgrounds.*`
-    // Contains functions which allow for cheating medals and leaderboards.
-    for (cls in ClassMacro.listClassesInPackage('funkin.api.newgrounds'))
-    {
-      if (cls == null) continue;
-      var className:String = Type.getClassName(cls);
-      Polymod.blacklistImport(className);
-    }
-
     // `io.newgrounds.*`
     // Contains functions which allow for cheating medals and leaderboards.
     for (cls in ClassMacro.listClassesInPackage('io.newgrounds'))
@@ -348,6 +361,16 @@ class PolymodHandler
       var className:String = Type.getClassName(cls);
       Polymod.blacklistImport(className);
     }
+
+    // `funkin.util.macro.*`
+    // CompiledClassList's get function allows access to sys and Newgrounds classes
+    // None of the classes are suitable for mods anyway
+    for (cls in ClassMacro.listClassesInPackage('funkin.util.macro'))
+    {
+      if (cls == null) continue;
+      var className:String = Type.getClassName(cls);
+      Polymod.blacklistImport(className);
+    }
   }
 
   /**
@@ -489,6 +512,7 @@ class PolymodHandler
     AlbumRegistry.instance.loadEntries();
     StageRegistry.instance.loadEntries();
     StickerRegistry.instance.loadEntries();
+    FreeplayStyleRegistry.instance.loadEntries();
 
     CharacterDataParser.loadCharacterCache(); // TODO: Migrate characters to BaseRegistry.
     NoteKindManager.loadScripts();

source/funkin/modding/base/Object.hx

@@ -0,0 +1,13 @@
+package funkin.modding.base;
+
+/**
+ * An empty base class meant to be extended by scripts.
+ */
+
+class Object {
+  public function new() {}
+
+  public function toString():String {
+    return "(Object)";
+  }
+}

source/funkin/modding/base/ScriptedFlxBasic.hx

@@ -0,0 +1,8 @@
+package funkin.modding.base;
+
+/**
+ * A script that can be tied to an FlxBasic.
+ * Create a scripted class that extends FlxBasic to use this.
+ */
+@:hscriptClass
+class ScriptedFlxBasic extends flixel.FlxBasic implements HScriptedClass {}

source/funkin/modding/base/ScriptedFlxObject.hx

@@ -0,0 +1,8 @@
+package funkin.modding.base;
+
+/**
+ * A script that can be tied to an FlxObject.
+ * Create a scripted class that extends FlxObject to use this.
+ */
+@:hscriptClass
+class ScriptedFlxObject extends flixel.FlxObject implements HScriptedClass {}

source/funkin/modding/base/ScriptedObject.hx

@@ -0,0 +1,8 @@
+package funkin.modding.base;
+
+/**
+ * A script that can be tied to an Object (empty base class).
+ * Create a scripted class that extends Object to use this.
+ */
+@:hscriptClass
+class ScriptedObject extends funkin.modding.base.Object implements HScriptedClass {}

source/funkin/modding/events/ScriptEvent.hx

@@ -255,7 +255,7 @@ class HoldNoteScriptEvent extends NoteScriptEvent
    */
   public var doesNotesplash:Bool = false;
 
-  public function new(type:ScriptEventType, holdNote:SustainTrail, healthChange:Float, score:Int, isComboBreak:Bool, cancelable:Bool = false):Void
+  public function new(type:ScriptEventType, holdNote:SustainTrail, healthChange:Float, score:Int, isComboBreak:Bool, comboCount:Int = 0, cancelable:Bool = false):Void
   {
     super(type, null, healthChange, comboCount, true);
     this.holdNote = holdNote;

source/funkin/modding/module/Module.hx

@@ -176,13 +176,13 @@ class Module implements IPlayStateScriptedClass implements IStateChangingScripte
 
   /**
    * Called when the game regains focus.
-   * This does not get called if "Auto Pause" is disabled.
+   * This does not get called if "Pause on Unfocus" is disabled.
    */
   public function onFocusGained(event:FocusScriptEvent) {}
 
   /**
    * Called when the game loses focus.
-   * This does not get called if "Auto Pause" is disabled.
+   * This does not get called if "Pause on Unfocus" is disabled.
    */
   public function onFocusLost(event:FocusScriptEvent) {}
 

source/funkin/play/GameOverSubState.hx

@@ -239,7 +239,7 @@ class GameOverSubState extends MusicBeatSubState
     }
 
     // Smoothly lerp the camera
-    FlxG.camera.zoom = MathUtil.smoothLerp(FlxG.camera.zoom, targetCameraZoom, elapsed, CAMERA_ZOOM_DURATION);
+    FlxG.camera.zoom = MathUtil.smoothLerpPrecision(FlxG.camera.zoom, targetCameraZoom, elapsed, CAMERA_ZOOM_DURATION);
 
     //
     // Handle user inputs.
@@ -391,7 +391,6 @@ class GameOverSubState extends MusicBeatSubState
     if (!isEnding)
     {
       isEnding = true;
-      startDeathMusic(1.0, true); // isEnding changes this function's behavior.
 
       // Stop death quotes immediately.
       hasPlayedDeathQuote = true;
@@ -401,6 +400,8 @@ class GameOverSubState extends MusicBeatSubState
         deathQuoteSound = null;
       }
 
+      startDeathMusic(1.0, true); // isEnding changes this function's behavior.
+
       if (PlayState.instance.isMinimalMode || boyfriend == null) {}
       else
       {

source/funkin/play/PauseSubState.hx

@@ -68,22 +68,13 @@ class PauseSubState extends MusicBeatSubState
   ];
 
   /**
-   * Pause menu entries for when the game is paused during a video cutscene.
+   * Pause menu entries for when the game is paused during a cutscene.
+   * `[CUTSCENE]` is replaced with the name of the cutscene type.
    */
-  static final PAUSE_MENU_ENTRIES_VIDEO_CUTSCENE:Array<PauseMenuEntry> = [
+  static final PAUSE_MENU_ENTRIES_CUTSCENE:Array<PauseMenuEntry> = [
     {text: 'Resume', callback: resume},
-    {text: 'Skip Cutscene', callback: skipVideoCutscene},
+    {text: 'Skip [CUTSCENE]', callback: skipCutscene},
-    {text: 'Restart Cutscene', callback: restartVideoCutscene},
+    {text: 'Restart [CUTSCENE]', callback: restartCutscene},
-    {text: 'Exit to Menu', callback: quitToMenu},
-  ];
-
-  /**
-   * Pause menu entries for when the game is paused during a conversation.
-   */
-  static final PAUSE_MENU_ENTRIES_CONVERSATION:Array<PauseMenuEntry> = [
-    {text: 'Resume', callback: resume},
-    {text: 'Skip Dialogue', callback: skipConversation},
-    {text: 'Restart Dialogue', callback: restartConversation},
     {text: 'Exit to Menu', callback: quitToMenu},
   ];
 
@@ -533,10 +524,15 @@ class PauseSubState extends MusicBeatSubState
 
         // Add the back button.
         currentMenuEntries = entries.concat(PAUSE_MENU_ENTRIES_DIFFICULTY.clone());
-      case PauseMode.Conversation:
+      case Cutscene(entryName, pauseName, onResume, onSkip, onRestart):
-        currentMenuEntries = PAUSE_MENU_ENTRIES_CONVERSATION.clone();
+        var entries:Array<PauseMenuEntry> = [];
-      case PauseMode.Cutscene:
+
-        currentMenuEntries = PAUSE_MENU_ENTRIES_VIDEO_CUTSCENE.clone();
+        for (entry in PAUSE_MENU_ENTRIES_CUTSCENE)
+        {
+          entries.push({text: StringTools.replace(entry.text, '[CUTSCENE]', entryName), callback: entry.callback});
+        }
+
+        currentMenuEntries = entries;
     }
   }
 
@@ -601,10 +597,8 @@ class PauseSubState extends MusicBeatSubState
         metadataDeaths.text = '${PlayState.instance?.deathCounter} Blue Balls';
       case Charting:
         metadataDeaths.text = 'Chart Editor Preview';
-      case Conversation:
+      case Cutscene(entryName, pauseName, onResume, onSkip, onRestart):
-        metadataDeaths.text = 'Dialogue Paused';
+        metadataDeaths.text = '$pauseName Paused';
-      case Cutscene:
-        metadataDeaths.text = 'Video Paused';
     }
   }
 
@@ -618,8 +612,15 @@ class PauseSubState extends MusicBeatSubState
    */
   static function resume(state:PauseSubState):Void
   {
-    // Resume a paused video if it exists.
+    switch (state.currentMode)
-    VideoCutscene.resumeVideo();
+    {
+      case Cutscene(entryName, pauseName, onResume, onSkip, onRestart):
+        if (onResume != null)
+        {
+          onResume();
+        }
+      default:
+    }
 
     state.close();
   }
@@ -681,46 +682,40 @@ class PauseSubState extends MusicBeatSubState
   }
 
   /**
-   * Restart the paused video cutscene, then resume the game.
+   * Restart the paused cutscene, then resume the game.
    * @param state The current PauseSubState.
    */
-  static function restartVideoCutscene(state:PauseSubState):Void
+  static function restartCutscene(state:PauseSubState):Void
   {
-    VideoCutscene.restartVideo();
+    switch (state.currentMode)
+    {
+      case Cutscene(entryName, pauseName, onResume, onSkip, onRestart):
+        if (onRestart != null)
+        {
+          onRestart(); // VideoCutscene.restartVideo(); on videos
+        }
+      default:
+    }
+
     state.close();
   }
 
   /**
-   * Skip the paused video cutscene, then resume the game.
+   * Skip the paused cutscene, then resume the game.
    * @param state The current PauseSubState.
    */
-  static function skipVideoCutscene(state:PauseSubState):Void
+  static function skipCutscene(state:PauseSubState):Void
   {
-    VideoCutscene.finishVideo();
+    switch (state.currentMode)
-    state.close();
+    {
-  }
+      case Cutscene(entryName, pauseName, onResume, onSkip, onRestart):
+        if (onSkip != null)
+        {
+          onSkip(); // VideoCutscene.finishVideo(); on videos
+        }
+      default:
+    }
 
-  /**
-   * Restart the paused conversation, then resume the game.
-   * @param state The current PauseSubState.
-   */
-  static function restartConversation(state:PauseSubState):Void
-  {
-    if (PlayState.instance?.currentConversation == null) return;
-
-    PlayState.instance.currentConversation.resetConversation();
-    state.close();
-  }
-
-  /**
-   * Skip the paused conversation, then resume the game.
-   * @param state The current PauseSubState.
-   */
-  static function skipConversation(state:PauseSubState):Void
-  {
-    if (PlayState.instance?.currentConversation == null) return;
-
-    PlayState.instance.currentConversation.skipConversation();
     state.close();
   }
 
@@ -766,11 +761,15 @@ class PauseSubState extends MusicBeatSubState
    * Quit the game and return to the chart editor.
    * @param state The current PauseSubState.
    */
+  @:access(funkin.play.PlayState)
   static function quitToChartEditor(state:PauseSubState):Void
   {
+    // This should come first because the sounds list gets cleared!
+    PlayState.instance?.forEachPausedSound(s -> s.destroy());
     state.close();
-    if (FlxG.sound.music != null) FlxG.sound.music.pause(); // Don't reset song position!
+    FlxG.sound.music?.pause(); // Don't reset song position!
-    PlayState.instance.close(); // This only works because PlayState is a substate!
+    PlayState.instance?.vocals?.pause();
+    PlayState.instance?.close(); // This only works because PlayState is a substate!
   }
 }
 
@@ -795,14 +794,14 @@ enum PauseMode
   Difficulty;
 
   /**
-   * The menu displayed when the player pauses the game during a conversation.
+   * The menu displayed when the player pauses the game during a cutscene.
+   * @param entryName The name to show in entries.
+   * @param pauseName The name to show on the "Cutscene Paused" text.
+   * @param onResume Gets called when `Resume` is selected.
+   * @param onSkip Gets called when `Skip [entryName]` is selected.
+   * @param onRestart Gets called when `Restart [entryName]` is selected.
    */
-  Conversation;
+  Cutscene(entryName:String, pauseName:String, onResume:Void->Void, onSkip:Void->Void, onRestart:Void->Void);
-
-  /**
-   * The menu displayed when the player pauses the game during a video cutscene.
-   */
-  Cutscene;
 }
 
 /**

source/funkin/play/PlayState.hx

@@ -7,6 +7,7 @@ import flixel.FlxObject;
 import flixel.FlxSubState;
 import flixel.math.FlxMath;
 import flixel.math.FlxPoint;
+import flixel.sound.FlxSound;
 import flixel.text.FlxText;
 import flixel.tweens.FlxTween;
 import flixel.ui.FlxBar;
@@ -185,6 +186,11 @@ class PlayState extends MusicBeatSubState
    */
   public var needsReset:Bool = false;
 
+  /**
+   * A timer that gets active once resetting happens. Used to vwoosh in notes.
+   */
+  public var vwooshTimer:FlxTimer = new FlxTimer();
+
   /**
    * The current 'Blueball Counter' to display in the pause menu.
    * Resets when you beat a song or go back to the main menu.
@@ -304,13 +310,13 @@ class PlayState extends MusicBeatSubState
 
   /**
    * Whether the game is currently in Practice Mode.
-   * If true, player will not lose gain or lose score from notes.
+   * If true, player will not gain or lose score from notes.
    */
   public var isPracticeMode:Bool = false;
 
   /**
    * Whether the game is currently in Bot Play Mode.
-   * If true, player will not lose gain or lose score from notes.
+   * If true, player will not gain or lose score from notes.
    */
   public var isBotPlayMode:Bool = false;
 
@@ -432,6 +438,11 @@ class PlayState extends MusicBeatSubState
    */
   var cameraTweensPausedBySubState:List<FlxTween> = new List<FlxTween>();
 
+  /**
+   * Track any sounds we've paused for a Pause substate, so we can unpause them when we return.
+   */
+  var soundsPausedBySubState:List<FlxSound> = new List<FlxSound>();
+
   /**
    * False until `create()` has completed.
    */
@@ -807,7 +818,6 @@ class PlayState extends MusicBeatSubState
 
     super.update(elapsed);
 
-    var list = FlxG.sound.list;
     updateHealthBar();
     updateScoreText();
 
@@ -837,9 +847,9 @@ class PlayState extends MusicBeatSubState
       // Reset music properly.
       if (FlxG.sound.music != null)
       {
-        FlxG.sound.music.time = startTimestamp - Conductor.instance.combinedOffset;
-        FlxG.sound.music.pitch = playbackRate;
         FlxG.sound.music.pause();
+        FlxG.sound.music.time = startTimestamp;
+        FlxG.sound.music.pitch = playbackRate;
       }
 
       if (!overrideMusic)
@@ -854,7 +864,7 @@ class PlayState extends MusicBeatSubState
         }
       }
       vocals.pause();
-      vocals.time = 0 - Conductor.instance.combinedOffset;
+      vocals.time = startTimestamp - Conductor.instance.instrumentalOffset;
 
       if (FlxG.sound.music != null) FlxG.sound.music.volume = 1;
       vocals.volume = 1;
@@ -875,9 +885,6 @@ class PlayState extends MusicBeatSubState
       // Delete all notes and reset the arrays.
       regenNoteData();
 
-      // so the song doesn't start too early :D
-      Conductor.instance.update(-5000, false);
-
       // Reset camera zooming
       cameraBopIntensity = Constants.DEFAULT_BOP_INTENSITY;
       hudCameraZoomIntensity = (cameraBopIntensity - 1.0) * 2.0;
@@ -886,10 +893,13 @@ class PlayState extends MusicBeatSubState
       health = Constants.HEALTH_STARTING;
       songScore = 0;
       Highscore.tallies.combo = 0;
+
+      // so the song doesn't start too early :D
+      var vwooshDelay:Float = 0.5;
+      Conductor.instance.update(-vwooshDelay * 1000 + startTimestamp + Conductor.instance.beatLengthMs * -5);
+
       // timer for vwoosh
-      var vwooshTimer = new FlxTimer();
+      vwooshTimer.start(vwooshDelay, function(_) {
-      vwooshTimer.start(0.5, function(t:FlxTimer) {
-        Conductor.instance.update(startTimestamp - Conductor.instance.combinedOffset, false);
         if (playerStrumline.notes.length == 0) playerStrumline.updateNotes();
         if (opponentStrumline.notes.length == 0) opponentStrumline.updateNotes();
         playerStrumline.vwooshInNotes();
@@ -897,6 +907,9 @@ class PlayState extends MusicBeatSubState
         Countdown.performCountdown();
       });
 
+      // Stops any existing countdown.
+      Countdown.stopCountdown();
+
       // Reset the health icons.
       currentStage?.getBoyfriend()?.initHealthIcon(false);
       currentStage?.getDad()?.initHealthIcon(true);
@@ -959,18 +972,16 @@ class PlayState extends MusicBeatSubState
         // Enable drawing while the substate is open, allowing the game state to be shown behind the pause menu.
         persistentDraw = true;
 
-        // There is a 1/1000 change to use a special pause menu.
+        // Prevent vwoosh timer from starting countdown in pause menu
+        vwooshTimer.active = false;
+
+        // There is a 1/1000 chance to use a special pause menu.
         // This prevents the player from resuming, but that's the point.
         // It's a reference to Gitaroo Man, which doesn't let you pause the game.
         if (!isSubState && event.gitaroo)
         {
           this.remove(currentStage);
-          FlxG.switchState(() -> new GitarooPause(
+          FlxG.switchState(() -> new GitarooPause(lastParams));
-            {
-              targetSong: currentSong,
-              targetDifficulty: currentDifficulty,
-              targetVariation: currentVariation,
-            }));
         }
         else
         {
@@ -1127,6 +1138,8 @@ class PlayState extends MusicBeatSubState
     playerStrumline.clean();
     opponentStrumline.clean();
 
+    vwooshTimer.cancel();
+
     songScore = 0;
     updateScoreText();
 
@@ -1230,9 +1243,29 @@ class PlayState extends MusicBeatSubState
           musicPausedBySubState = true;
         }
 
-        // Pause vocals.
+        // Pause any sounds that are playing and keep track of them.
-        // Not tracking that we've done this via a bool because vocal re-syncing involves pausing the vocals anyway.
+        // Vocals are also paused here but are not included as they are handled separately.
-        if (vocals != null) vocals.pause();
+        if (Std.isOfType(subState, PauseSubState))
+        {
+          FlxG.sound.list.forEachAlive(function(sound:FlxSound) {
+            if (!sound.active || sound == FlxG.sound.music) return;
+            // In case it's a scheduled sound
+            var funkinSound:FunkinSound = cast sound;
+            if (funkinSound != null && !funkinSound.isPlaying) return;
+            if (!sound.playing && sound.time >= 0) return;
+
+            sound.pause();
+            soundsPausedBySubState.add(sound);
+          });
+
+          vocals?.forEach(function(voice:FunkinSound) {
+            soundsPausedBySubState.remove(voice);
+          });
+        }
+        else
+        {
+          vocals?.pause();
+        }
       }
 
       // Pause camera tweening, and keep track of which tweens we pause.
@@ -1281,6 +1314,9 @@ class PlayState extends MusicBeatSubState
 
       if (event.eventCanceled) return;
 
+      // Resume vwooshTimer
+      if (!vwooshTimer.finished) vwooshTimer.active = true;
+
       // Resume music if we paused it.
       if (musicPausedBySubState)
       {
@@ -1288,6 +1324,8 @@ class PlayState extends MusicBeatSubState
         musicPausedBySubState = false;
       }
 
+      forEachPausedSound((s) -> needsReset ? s.destroy() : s.resume());
+
       // Resume camera tweens if we paused any.
       for (camTween in cameraTweensPausedBySubState)
       {
@@ -1423,6 +1461,10 @@ class PlayState extends MusicBeatSubState
   {
     performCleanup();
 
+    // `performCleanup()` clears the static reference to this state
+    // scripts might still need it, so we set it back to `this`
+    instance = this;
+
     funkin.modding.PolymodHandler.forceReloadAssets();
     lastParams.targetSong = SongRegistry.instance.fetchEntry(currentSong.id);
     LoadingState.loadPlayState(lastParams);
@@ -1510,13 +1552,6 @@ class PlayState extends MusicBeatSubState
     }
     // trace('Not bopping camera: ${FlxG.camera.zoom} < ${(1.35 * defaultCameraZoom)} && ${cameraZoomRate} > 0 && ${Conductor.instance.currentBeat} % ${cameraZoomRate} == ${Conductor.instance.currentBeat % cameraZoomRate}}');
 
-    // That combo milestones that got spoiled that one time.
-    // Comes with NEAT visual and audio effects.
-
-    // bruh this var is bonkers i thot it was a function lmfaooo
-
-    // Break up into individual lines to aid debugging.
-
     if (playerStrumline != null) playerStrumline.onBeatHit();
     if (opponentStrumline != null) opponentStrumline.onBeatHit();
 
@@ -2056,9 +2091,9 @@ class PlayState extends MusicBeatSubState
     FlxG.sound.music.onComplete = function() {
       if (mayPauseGame) endSong(skipEndingTransition);
     };
-    // A negative instrumental offset means the song skips the first few milliseconds of the track.
+
-    // This just gets added into the startTimestamp behavior so we don't need to do anything extra.
+    FlxG.sound.music.pause();
-    FlxG.sound.music.play(true, Math.max(0, startTimestamp - Conductor.instance.combinedOffset));
+    FlxG.sound.music.time = startTimestamp;
     FlxG.sound.music.pitch = playbackRate;
 
     // Prevent the volume from being wrong.
@@ -2067,13 +2102,17 @@ class PlayState extends MusicBeatSubState
 
     trace('Playing vocals...');
     add(vocals);
-    vocals.play();
+
-    vocals.volume = 1.0;
+    vocals.time = startTimestamp - Conductor.instance.instrumentalOffset;
     vocals.pitch = playbackRate;
-    vocals.time = FlxG.sound.music.time;
+    vocals.volume = 1.0;
+
+    // trace('STARTING SONG AT:');
     // trace('${FlxG.sound.music.time}');
     // trace('${vocals.time}');
-    resyncVocals();
+
+    FlxG.sound.music.play();
+    vocals.play();
 
     #if FEATURE_DISCORD_RPC
     // Updating Discord Rich Presence (with Time Left)
@@ -2102,7 +2141,7 @@ class PlayState extends MusicBeatSubState
   }
 
   /**
-     * Resyncronize the vocal tracks if they have become offset from the instrumental.
+     * Resynchronize the vocal tracks if they have become offset from the instrumental.
      */
   function resyncVocals():Void
   {
@@ -2111,8 +2150,10 @@ class PlayState extends MusicBeatSubState
     // Skip this if the music is paused (GameOver, Pause menu, start-of-song offset, etc.)
     if (!(FlxG.sound.music?.playing ?? false)) return;
 
-    var timeToPlayAt:Float = Math.min(FlxG.sound.music.length, Math.max(0, Conductor.instance.songPosition - Conductor.instance.combinedOffset));
+    var timeToPlayAt:Float = Math.min(FlxG.sound.music.length,
+      Math.max(Math.min(Conductor.instance.combinedOffset, 0), Conductor.instance.songPosition) - Conductor.instance.combinedOffset);
     trace('Resyncing vocals to ${timeToPlayAt}');
+
     FlxG.sound.music.pause();
     vocals.pause();
 
@@ -2347,7 +2388,7 @@ class PlayState extends MusicBeatSubState
       {
         // Call an event to allow canceling the note miss.
         // NOTE: This is what handles the character animations!
-        var event:NoteScriptEvent = new NoteScriptEvent(NOTE_MISS, note, Constants.HEALTH_MISS_PENALTY, 0, true);
+        var event:NoteScriptEvent = new NoteScriptEvent(NOTE_MISS, note, Constants.HEALTH_MISS_PENALTY, Highscore.tallies.combo, true);
         dispatchEvent(event);
 
         // Calling event.cancelEvent() skips all the other logic! Neat!
@@ -2414,7 +2455,7 @@ class PlayState extends MusicBeatSubState
             var healthChange = healthChangeUncapped.clamp(healthChangeMax, 0);
             var scoreChange = Std.int(Constants.SCORE_HOLD_DROP_PENALTY_PER_SECOND * remainingLengthSec);
 
-            var event:HoldNoteScriptEvent = new HoldNoteScriptEvent(NOTE_HOLD_DROP, holdNote, healthChange, scoreChange, true);
+            var event:HoldNoteScriptEvent = new HoldNoteScriptEvent(NOTE_HOLD_DROP, holdNote, healthChange, scoreChange, true, Highscore.tallies.combo);
             dispatchEvent(event);
 
             trace('Penalizing score by ${event.score} and health by ${event.healthChange} for dropping hold note (is combo break: ${event.isComboBreak})!');
@@ -2448,7 +2489,7 @@ class PlayState extends MusicBeatSubState
       }
     }
 
-    // Respawns notes that were b
+    // Respawns notes that were between the previous time and the current time when skipping backward, or destroy notes between the previous time and the current time when skipping forward.
     playerStrumline.handleSkippedNotes();
     opponentStrumline.handleSkippedNotes();
   }
@@ -2709,6 +2750,8 @@ class PlayState extends MusicBeatSubState
         FlxG.switchState(() -> new ChartEditorState(
           {
             targetSongId: currentSong.id,
+            targetSongDifficulty: currentDifficulty,
+            targetSongVariation: currentVariation,
           }));
       }
     }
@@ -2833,7 +2876,10 @@ class PlayState extends MusicBeatSubState
       {
         currentConversation.pauseMusic();
 
-        var pauseSubState:FlxSubState = new PauseSubState({mode: Conversation});
+        var pauseSubState:FlxSubState = new PauseSubState(
+          {
+            mode: Cutscene('Conversation', 'Conversation', null, currentConversation?.skipConversation, currentConversation?.resetConversation)
+          });
 
         persistentUpdate = false;
         FlxTransitionableState.skipNextTransIn = true;
@@ -2849,7 +2895,10 @@ class PlayState extends MusicBeatSubState
       {
         VideoCutscene.pauseVideo();
 
-        var pauseSubState:FlxSubState = new PauseSubState({mode: Cutscene});
+        var pauseSubState:FlxSubState = new PauseSubState(
+          {
+            mode: Cutscene('Cutscene', 'Video', VideoCutscene.resumeVideo, VideoCutscene.finishVideo.bind(null), VideoCutscene.restartVideo.bind(true))
+          });
 
         persistentUpdate = false;
         FlxTransitionableState.skipNextTransIn = true;
@@ -3154,6 +3203,9 @@ class PlayState extends MusicBeatSubState
       // TODO: Uncache the song.
     }
 
+    // Prevent vwoosh timer from running outside PlayState (e.g Chart Editor)
+    vwooshTimer.cancel();
+
     if (overrideMusic)
     {
       // Stop the music. Do NOT destroy it, something still references it!
@@ -3175,6 +3227,11 @@ class PlayState extends MusicBeatSubState
       }
     }
 
+    forEachPausedSound((s) -> s.destroy());
+
+    FlxTween.globalManager.clear();
+    FlxTimer.globalManager.clear();
+
     // Remove reference to stage and remove sprites from it to save memory.
     if (currentStage != null)
     {
@@ -3429,7 +3486,7 @@ class PlayState extends MusicBeatSubState
     cancelCameraZoomTween();
   }
 
-  var prevScrollTargets:Array<Dynamic> = []; // used to snap scroll speed when things go unruely
+  var prevScrollTargets:Array<Dynamic> = []; // used to snap scroll speed when things go unruly
 
   /**
      * The magical function that shall tween the scroll speed.
@@ -3483,6 +3540,15 @@ class PlayState extends MusicBeatSubState
     scrollSpeedTweens = [];
   }
 
+  function forEachPausedSound(f:FlxSound->Void):Void
+  {
+    for (sound in soundsPausedBySubState)
+    {
+      f(sound);
+    }
+    soundsPausedBySubState.clear();
+  }
+
   #if FEATURE_DEBUG_FUNCTIONS
   /**
      * Jumps forward or backward a number of sections in the song.

source/funkin/play/ResultState.hx

@@ -32,6 +32,7 @@ import funkin.ui.freeplay.FreeplayState;
 import funkin.ui.MusicBeatSubState;
 import funkin.ui.story.StoryMenuState;
 import funkin.modding.base.ScriptedFlxAtlasSprite;
+import funkin.graphics.ScriptedFunkinSprite;
 #if FEATURE_NEWGROUNDS
 import funkin.api.newgrounds.Medals;
 #end
@@ -258,7 +259,15 @@ class ResultState extends MusicBeatSubState
           // Add to the scene.
           add(animation);
         case 'sparrow':
-          var animation:FunkinSprite = FunkinSprite.createSparrow(offsets[0], offsets[1], animPath);
+          @:nullSafety(Off)
+          var animation:FunkinSprite = null;
+
+          if (animData.scriptClass != null) animation = ScriptedFunkinSprite.init(animData.scriptClass, offsets[0], offsets[1]);
+          else
+            animation = FunkinSprite.createSparrow(offsets[0], offsets[1], animPath);
+
+          if (animation == null) continue;
+
           animation.animation.addByPrefix('idle', '', 24, false, false, false);
 
           if (animData.loopFrame != null)
@@ -487,8 +496,7 @@ class ResultState extends MusicBeatSubState
     bgFlash.visible = true;
     FlxTween.tween(bgFlash, {alpha: 0}, 5 / 24);
     // NOTE: Only divide if totalNotes > 0 to prevent divide-by-zero errors.
-    var clearPercentFloat = params.scoreData.tallies.totalNotes == 0 ? 0.0 : (params.scoreData.tallies.sick +
+    var clearPercentFloat = params.scoreData.tallies.totalNotes == 0 ? 0.0 : (params.scoreData.tallies.sick + params.scoreData.tallies.good
-    params.scoreData.tallies.good
       - params.scoreData.tallies.missed) / params.scoreData.tallies.totalNotes * 100;
     clearPercentTarget = Math.floor(clearPercentFloat);
     // Prevent off-by-one errors.
@@ -563,16 +571,6 @@ class ResultState extends MusicBeatSubState
         // scorePopin.animation.play("score");
 
         // scorePopin.visible = true;
-
-        if (params.isNewHighscore ?? false)
-        {
-          highscoreNew.visible = true;
-          highscoreNew.animation.play("new");
-        }
-        else
-        {
-          highscoreNew.visible = false;
-        }
       };
     }
 

source/funkin/play/character/CharacterData.hx

@@ -13,6 +13,7 @@ import funkin.util.VersionUtil;
 import haxe.Json;
 import flixel.graphics.frames.FlxFrame;
 
+@:nullSafety
 class CharacterDataParser
 {
   /**
@@ -57,7 +58,7 @@ class CharacterDataParser
     {
       try
       {
-        var charData:CharacterData = parseCharacterData(charId);
+        var charData:Null<CharacterData> = parseCharacterData(charId);
         if (charData != null)
         {
           trace('    Loaded character data: ${charId}');
@@ -203,14 +204,14 @@ class CharacterDataParser
       return null;
     }
 
-    var charData:CharacterData = characterCache.get(charId);
+    var charData:Null<CharacterData> = characterCache.get(charId);
-    var charScriptClass:String = characterScriptedClass.get(charId);
+    var charScriptClass:Null<String> = characterScriptedClass.get(charId);
 
-    var char:BaseCharacter;
+    var char:Null<BaseCharacter> = null;
 
     if (charScriptClass != null)
     {
-      switch (charData.renderType)
+      if (charData != null) switch (charData.renderType)
       {
         case CharacterRenderType.AnimateAtlas:
           char = ScriptedAnimateAtlasCharacter.init(charScriptClass, charId);
@@ -227,7 +228,7 @@ class CharacterDataParser
     }
     else
     {
-      switch (charData.renderType)
+      if (charData != null) switch (charData.renderType)
       {
         case CharacterRenderType.AnimateAtlas:
           char = new AnimateAtlasCharacter(charId);
@@ -283,7 +284,7 @@ class CharacterDataParser
   /**
    * Returns the idle frame of a character.
    */
-  public static function getCharPixelIconAsset(char:String):FlxFrame
+  public static function getCharPixelIconAsset(char:String):Null<FlxFrame>
   {
     var charPath:String = "freeplay/icons/";
 
@@ -323,13 +324,13 @@ class CharacterDataParser
     }
 
     var isAnimated = Assets.exists(Paths.file('images/$charPath.xml'));
-    var frame:FlxFrame = null;
+    var frame:Null<FlxFrame> = null;
 
     if (isAnimated)
     {
       var frames = Paths.getSparrowAtlas(charPath);
 
-      var idleFrame:FlxFrame = frames.frames.find(function(frame:FlxFrame):Bool {
+      var idleFrame:Null<FlxFrame> = frames.frames.find(function(frame:FlxFrame):Bool {
         return frame.name.startsWith('idle');
       });
 
@@ -380,7 +381,7 @@ class CharacterDataParser
   {
     var rawJson:String = loadCharacterFile(charId);
 
-    var charData:CharacterData = migrateCharacterData(rawJson, charId);
+    var charData:Null<CharacterData> = migrateCharacterData(rawJson, charId);
 
     return validateCharacterData(charId, charData);
   }
@@ -445,7 +446,7 @@ class CharacterDataParser
    * @param input
    * @return The validated character data
    */
-  static function validateCharacterData(id:String, input:CharacterData):Null<CharacterData>
+  static function validateCharacterData(id:String, input:Null<CharacterData>):Null<CharacterData>
   {
     if (input == null)
     {

source/funkin/play/components/HealthIcon.hx

@@ -207,10 +207,10 @@ class HealthIcon extends FunkinSprite
 
     if (bopEvery != 0)
     {
-      lerpIconSize();
+      lerpIconSize(false, elapsed);
 
       // Lerp the health icon back to its normal angle.
-      this.angle = MathUtil.coolLerp(this.angle, 0, 0.15);
+      this.angle = MathUtil.smoothLerpPrecision(this.angle, 0, elapsed, 0.511);
     }
 
     this.updatePosition();
@@ -221,14 +221,14 @@ class HealthIcon extends FunkinSprite
    * Mainly forced when changing to old icon to not have a weird lerp related to changing from pixel icon to non-pixel old icon
    * @param force Force the icon immedialtely to be the target size. Defaults to false.
    */
-  function lerpIconSize(force:Bool = false):Void
+  function lerpIconSize(force:Bool = false, ?elapsed:Float):Void
   {
     // Lerp the health icon back to its normal size,
     // while maintaining aspect ratio.
     if (this.width > this.height)
     {
       // Apply linear interpolation while accounting for frame rate.
-      var targetSize:Int = Std.int(MathUtil.coolLerp(this.width, HEALTH_ICON_SIZE * this.size.x, 0.15));
+      var targetSize:Int = Std.int(MathUtil.smoothLerpPrecision(this.width, HEALTH_ICON_SIZE * this.size.x, elapsed ?? FlxG.elapsed, 0.511));
 
       if (force) targetSize = Std.int(HEALTH_ICON_SIZE * this.size.x);
 
@@ -236,7 +236,7 @@ class HealthIcon extends FunkinSprite
     }
     else
     {
-      var targetSize:Int = Std.int(MathUtil.coolLerp(this.height, HEALTH_ICON_SIZE * this.size.y, 0.15));
+      var targetSize:Int = Std.int(MathUtil.smoothLerpPrecision(this.height, HEALTH_ICON_SIZE * this.size.y, elapsed ?? FlxG.elapsed, 0.511));
 
       if (force) targetSize = Std.int(HEALTH_ICON_SIZE * this.size.y);
 

source/funkin/play/cutscene/dialogue/DialogueBox.hx

@@ -5,7 +5,6 @@ import funkin.data.IRegistryEntry;
 import flixel.group.FlxSpriteGroup;
 import flixel.graphics.frames.FlxFramesCollection;
 import funkin.graphics.FunkinSprite;
-import flixel.addons.text.FlxTypeText;
 import funkin.util.assets.FlxAnimationUtil;
 import funkin.modding.events.ScriptEvent;
 import funkin.audio.FunkinSound;
@@ -66,7 +65,7 @@ class DialogueBox extends FlxSpriteGroup implements IDialogueScriptedClass imple
   }
 
   var boxSprite:FlxSprite;
-  var textDisplay:FlxTypeText;
+  var textDisplay:FunkinTypeText;
 
   var text(default, set):String;
 
@@ -273,7 +272,7 @@ class DialogueBox extends FlxSpriteGroup implements IDialogueScriptedClass imple
 
   function loadText():Void
   {
-    textDisplay = new FlxTypeText(0, 0, 300, '', 32);
+    textDisplay = new FunkinTypeText(0, 0, 300, '', 32);
     textDisplay.fieldWidth = _data.text.width;
     textDisplay.setFormat(_data.text.fontFamily, _data.text.size, FlxColor.fromString(_data.text.color), LEFT, SHADOW,
       FlxColor.fromString(_data.text.shadowColor ?? '#00000000'), false);

source/funkin/play/cutscene/dialogue/FunkinTypeText.hx

@@ -0,0 +1,104 @@
+package funkin.play.cutscene.dialogue;
+
+import flixel.addons.text.FlxTypeText;
+import flixel.input.keyboard.FlxKey;
+
+/**
+ * An FlxTypeText that better accounts for text-wrapping,
+ * by overriding the functions of insertBreakLines() to check the finished state.
+ * Also fixes a bug where empty strings would make the typing never 'finish'.
+ */
+class FunkinTypeText extends FlxTypeText
+{
+  public var preWrapping:Bool = true;
+
+  public function new(X:Float, Y:Float, Width:Int, Text:String, Size:Int = 8, EmbeddedFont:Bool = true, CheckWrapping:Bool = true)
+  {
+    super(X, Y, Width, "", Size, EmbeddedFont);
+    _finalText = Text;
+    preWrapping = CheckWrapping;
+  }
+
+  override public function start(?Delay:Float, ForceRestart:Bool = false, AutoErase:Bool = false, ?SkipKeys:Array<FlxKey>, ?Callback:Void->Void):Void
+  {
+    if (Delay != null)
+    {
+      delay = Delay;
+    }
+
+    _typing = true;
+    _erasing = false;
+    paused = false;
+    _waiting = false;
+
+    if (ForceRestart)
+    {
+      text = "";
+      _length = 0;
+    }
+
+    autoErase = AutoErase;
+
+    if (SkipKeys != null)
+    {
+      skipKeys = SkipKeys;
+    }
+
+    if (Callback != null)
+    {
+      completeCallback = Callback;
+    }
+
+    if (useDefaultSound)
+    {
+      loadDefaultSound();
+    }
+
+    // Autocomplete if the text is empty anyway. Why bother?
+    if (_finalText.length == 0)
+    {
+      onComplete();
+      return;
+    }
+
+    if (preWrapping)
+    {
+      insertBreakLines();
+    }
+  }
+
+  override function insertBreakLines()
+  {
+    var saveText = text;
+
+    // See what it looks like when it's finished typing.
+    text = prefix + _finalText;
+    var prefixLength:Null<Int> = prefix.length;
+    var split:String = '';
+
+    // trace('Breaking apart text lines...');
+
+    for (i in 0...textField.numLines)
+    {
+      var curLine = textField.getLineText(i);
+      // trace('now at line $i, curLine: $curLine');
+      if (prefixLength >= curLine.length)
+      {
+        prefixLength -= curLine.length;
+      }
+      else if (prefixLength != null)
+      {
+        split += curLine.substr(prefixLength);
+        prefixLength = null;
+      }
+      else
+      {
+        split += '\n' + curLine;
+      }
+      // trace('now at line $i, split: $split');
+    }
+
+    _finalText = split;
+    text = saveText;
+  }
+}

source/funkin/play/event/FocusCameraSongEvent.hx

@@ -218,9 +218,21 @@ class FocusCameraSongEvent extends SongEvent
           'Smooth Step In' => 'smoothStepIn',
           'Smooth Step Out' => 'smoothStepOut',
           'Smooth Step In/Out' => 'smoothStepInOut',
+          'Smoother Step In' => 'smootherStepIn',
+          'Smoother Step Out' => 'smootherStepOut',
+          'Smoother Step In/Out' => 'smootherStepInOut',
           'Elastic In' => 'elasticIn',
           'Elastic Out' => 'elasticOut',
           'Elastic In/Out' => 'elasticInOut',
+          'Back In' => 'backIn',
+          'Back Out' => 'backOut',
+          'Back In/Out' => 'backInOut',
+          'Bounce In' => 'bounceIn',
+          'Bounce Out' => 'bounceOut',
+          'Bounce In/Out' => 'bounceInOut',
+          'Circ In' => 'circIn',
+          'Circ Out' => 'circOut',
+          'Circ In/Out' => 'circInOut',
           'Instant (Ignores duration)' => 'INSTANT',
           'Classic (Ignores duration)' => 'CLASSIC'
         ]

source/funkin/play/event/ScrollSpeedEvent.hx

@@ -149,9 +149,21 @@ class ScrollSpeedEvent extends SongEvent
           'Smooth Step In' => 'smoothStepIn',
           'Smooth Step Out' => 'smoothStepOut',
           'Smooth Step In/Out' => 'smoothStepInOut',
+          'Smoother Step In' => 'smootherStepIn',
+          'Smoother Step Out' => 'smootherStepOut',
+          'Smoother Step In/Out' => 'smootherStepInOut',
           'Elastic In' => 'elasticIn',
           'Elastic Out' => 'elasticOut',
-          'Elastic In/Out' => 'elasticInOut'
+          'Elastic In/Out' => 'elasticInOut',
+          'Back In' => 'backIn',
+          'Back Out' => 'backOut',
+          'Back In/Out' => 'backInOut',
+          'Bounce In' => 'bounceIn',
+          'Bounce Out' => 'bounceOut',
+          'Bounce In/Out' => 'bounceInOut',
+          'Circ In' => 'circIn',
+          'Circ Out' => 'circOut',
+          'Circ In/Out' => 'circInOut'
         ]
       },
       {

source/funkin/play/event/ZoomCameraSongEvent.hx

@@ -158,9 +158,21 @@ class ZoomCameraSongEvent extends SongEvent
           'Smooth Step In' => 'smoothStepIn',
           'Smooth Step Out' => 'smoothStepOut',
           'Smooth Step In/Out' => 'smoothStepInOut',
+          'Smoother Step In' => 'smootherStepIn',
+          'Smoother Step Out' => 'smootherStepOut',
+          'Smoother Step In/Out' => 'smootherStepInOut',
           'Elastic In' => 'elasticIn',
           'Elastic Out' => 'elasticOut',
-          'Elastic In/Out' => 'elasticInOut'
+          'Elastic In/Out' => 'elasticInOut',
+          'Back In' => 'backIn',
+          'Back Out' => 'backOut',
+          'Back In/Out' => 'backInOut',
+          'Bounce In' => 'bounceIn',
+          'Bounce Out' => 'bounceOut',
+          'Bounce In/Out' => 'bounceInOut',
+          'Circ In' => 'circIn',
+          'Circ Out' => 'circOut',
+          'Circ In/Out' => 'circInOut'
         ]
       }
     ]);

source/funkin/play/notes/NoteHoldCover.hx

@@ -71,6 +71,8 @@ class NoteHoldCover extends FlxTypedSpriteGroup<FlxSprite>
 
     this.visible = false;
 
+    holdNote.cover = null;
+
     if (glow != null) glow.visible = false;
     if (sparks != null) sparks.visible = false;
   }

source/funkin/play/notes/Strumline.hx

@@ -448,7 +448,6 @@ class Strumline extends FlxSpriteGroup
     }
   }
 
-
   /**
    * For a note's strumTime, calculate its Y position relative to the strumline.
    * NOTE: Assumes Conductor and PlayState are both initialized.
@@ -458,7 +457,7 @@ class Strumline extends FlxSpriteGroup
   public function calculateNoteYPos(strumTime:Float):Float
   {
     return
-      Constants.PIXELS_PER_MS * (conductorInUse.songPosition - strumTime - Conductor.instance.inputOffset) * scrollSpeed * (Preferences.downscroll ? 1 : -1);
+      Constants.PIXELS_PER_MS * (conductorInUse.getTimeWithDelta() - strumTime - Conductor.instance.inputOffset) * scrollSpeed * (Preferences.downscroll ? 1 : -1);
   }
 
   public function updateNotes():Void

source/funkin/play/song/Song.hx

@@ -194,14 +194,14 @@ class Song implements IPlayStateScriptedClass implements IRegistryEntry<SongMeta
       includeScript:Bool = true, validScore:Bool = false):Song
   {
     @:privateAccess
-    var result:Null<Song>;
+    var result:Null<Song> = null;
 
     if (includeScript && SongRegistry.instance.isScriptedEntry(songId))
     {
-      var songClassName:String = SongRegistry.instance.getScriptedEntryClassName(songId);
+      var songClassName:Null<String> = SongRegistry.instance.getScriptedEntryClassName(songId);
 
       @:privateAccess
-      result = SongRegistry.instance.createScriptedEntry(songClassName);
+      if (songClassName != null) result = SongRegistry.instance.createScriptedEntry(songClassName);
     }
     else
     {

source/funkin/play/song/SongSerializer.hx

@@ -1,76 +0,0 @@
-package funkin.play.song;
-
-import funkin.data.song.SongData.SongChartData;
-import funkin.data.song.SongData.SongMetadata;
-import funkin.util.FileUtil;
-import openfl.net.FileReference;
-
-/**
- * TODO: Refactor and remove this.
- */
-class SongSerializer
-{
-  /**
-   * Access a SongChartData JSON file from a specific path, then load it.
-   * @param	path The file path to read from.
-   */
-  public static function importSongChartDataSync(path:String):SongChartData
-  {
-    var fileData = FileUtil.readStringFromPath(path);
-
-    if (fileData == null) return null;
-
-    var songChartData:SongChartData = fileData.parseJSON();
-
-    return songChartData;
-  }
-
-  /**
-   * Access a SongMetadata JSON file from a specific path, then load it.
-   * @param	path The file path to read from.
-   */
-  public static function importSongMetadataSync(path:String):SongMetadata
-  {
-    var fileData = FileUtil.readStringFromPath(path);
-
-    if (fileData == null) return null;
-
-    var songMetadata:SongMetadata = fileData.parseJSON();
-
-    return songMetadata;
-  }
-
-  /**
-   * Prompt the user to browse for a SongChartData JSON file path, then load it.
-   * @param	callback The function to call when the file is loaded.
-   */
-  public static function importSongChartDataAsync(callback:SongChartData->Void):Void
-  {
-    FileUtil.browseFileReference(function(fileReference:FileReference) {
-      var data = fileReference.data.toString();
-
-      if (data == null) return;
-
-      var songChartData:SongChartData = data.parseJSON();
-
-      if (songChartData != null) callback(songChartData);
-    });
-  }
-
-  /**
-   * Prompt the user to browse for a SongMetadata JSON file path, then load it.
-   * @param	callback The function to call when the file is loaded.
-   */
-  public static function importSongMetadataAsync(callback:SongMetadata->Void):Void
-  {
-    FileUtil.browseFileReference(function(fileReference:FileReference) {
-      var data = fileReference.data.toString();
-
-      if (data == null) return;
-
-      var songMetadata:SongMetadata = data.parseJSON();
-
-      if (songMetadata != null) callback(songMetadata);
-    });
-  }
-}

source/funkin/play/stage/Stage.hx

@@ -248,8 +248,8 @@ class Stage extends FlxSpriteGroup implements IPlayStateScriptedClass implements
       propSprite.scrollFactor.y = dataProp.scroll[1];
 
       propSprite.angle = dataProp.angle;
-      propSprite.color = FlxColor.fromString(dataProp.color);
+      if (!isSolidColor) propSprite.color = FlxColor.fromString(dataProp.color);
-      @:privateAccess if (!isSolidColor) propSprite.blend = BlendMode.fromString(dataProp.blend);
+      @:privateAccess propSprite.blend = BlendMode.fromString(dataProp.blend);
 
       propSprite.zIndex = dataProp.zIndex;
 

source/funkin/save/Save.hx

@@ -2,6 +2,7 @@ package funkin.save;
 
 import flixel.util.FlxSave;
 import funkin.input.Controls.Device;
+import funkin.play.character.CharacterData.CharacterDataParser;
 import funkin.play.scoring.Scoring;
 import funkin.play.scoring.Scoring.ScoringRank;
 import funkin.save.migrator.RawSaveData_v1_0_0;
@@ -127,8 +128,6 @@ class Save
               shouldHideMouse: true,
               fancyPreview: true,
               previewOnSave: true,
-              saveFormat: 'PNG',
-              jpegQuality: 80,
             },
 
           controls:
@@ -173,6 +172,10 @@ class Save
           metronomeVolume: 1.0,
           hitsoundVolumePlayer: 1.0,
           hitsoundVolumeOpponent: 1.0,
+          instVolume: 1.0,
+          playerVoiceVolume: 1.0,
+          opponentVoiceVolume: 1.0,
+          playbackSpeed: 0.5,
           themeMusic: true
         },
 
@@ -181,7 +184,10 @@ class Save
           previousFiles: [],
           moveStep: "1px",
           angleStep: 5,
-          theme: StageEditorTheme.Light
+          theme: StageEditorTheme.Light,
+          bfChar: "bf",
+          gfChar: "gf",
+          dadChar: "dad"
         }
     };
   }
@@ -407,6 +413,57 @@ class Save
     return data.optionsChartEditor.hitsoundVolumeOpponent;
   }
 
+  public var chartEditorInstVolume(get, set):Float;
+
+  function get_chartEditorInstVolume():Float
+  {
+    if (data.optionsChartEditor.instVolume == null) data.optionsChartEditor.instVolume = 1.0;
+
+    return data.optionsChartEditor.instVolume;
+  }
+
+  function set_chartEditorInstVolume(value:Float):Float
+  {
+    // Set and apply.
+    data.optionsChartEditor.instVolume = value;
+    flush();
+    return data.optionsChartEditor.instVolume;
+  }
+
+  public var chartEditorPlayerVoiceVolume(get, set):Float;
+
+  function get_chartEditorPlayerVoiceVolume():Float
+  {
+    if (data.optionsChartEditor.playerVoiceVolume == null) data.optionsChartEditor.playerVoiceVolume = 1.0;
+
+    return data.optionsChartEditor.playerVoiceVolume;
+  }
+
+  function set_chartEditorPlayerVoiceVolume(value:Float):Float
+  {
+    // Set and apply.
+    data.optionsChartEditor.playerVoiceVolume = value;
+    flush();
+    return data.optionsChartEditor.playerVoiceVolume;
+  }
+
+  public var chartEditorOpponentVoiceVolume(get, set):Float;
+
+  function get_chartEditorOpponentVoiceVolume():Float
+  {
+    if (data.optionsChartEditor.opponentVoiceVolume == null) data.optionsChartEditor.opponentVoiceVolume = 1.0;
+
+    return data.optionsChartEditor.opponentVoiceVolume;
+  }
+
+  function set_chartEditorOpponentVoiceVolume(value:Float):Float
+  {
+    // Set and apply.
+    data.optionsChartEditor.opponentVoiceVolume = value;
+    flush();
+    return data.optionsChartEditor.opponentVoiceVolume;
+  }
+
   public var chartEditorThemeMusic(get, set):Bool;
 
   function get_chartEditorThemeMusic():Bool
@@ -428,7 +485,7 @@ class Save
 
   function get_chartEditorPlaybackSpeed():Float
   {
-    if (data.optionsChartEditor.playbackSpeed == null) data.optionsChartEditor.playbackSpeed = 1.0;
+    if (data.optionsChartEditor.playbackSpeed == null) data.optionsChartEditor.playbackSpeed = 0.5;
 
     return data.optionsChartEditor.playbackSpeed;
   }
@@ -550,6 +607,60 @@ class Save
     return data.optionsStageEditor.theme;
   }
 
+  public var stageBoyfriendChar(get, set):String;
+
+  function get_stageBoyfriendChar():String
+  {
+    if (data.optionsStageEditor.bfChar == null
+      || CharacterDataParser.fetchCharacterData(data.optionsStageEditor.bfChar) == null) data.optionsStageEditor.bfChar = "bf";
+
+    return data.optionsStageEditor.bfChar;
+  }
+
+  function set_stageBoyfriendChar(value:String):String
+  {
+    // Set and apply.
+    data.optionsStageEditor.bfChar = value;
+    flush();
+    return data.optionsStageEditor.bfChar;
+  }
+
+  public var stageGirlfriendChar(get, set):String;
+
+  function get_stageGirlfriendChar():String
+  {
+    if (data.optionsStageEditor.gfChar == null
+      || CharacterDataParser.fetchCharacterData(data.optionsStageEditor.gfChar ?? "") == null) data.optionsStageEditor.gfChar = "gf";
+
+    return data.optionsStageEditor.gfChar;
+  }
+
+  function set_stageGirlfriendChar(value:String):String
+  {
+    // Set and apply.
+    data.optionsStageEditor.gfChar = value;
+    flush();
+    return data.optionsStageEditor.gfChar;
+  }
+
+  public var stageDadChar(get, set):String;
+
+  function get_stageDadChar():String
+  {
+    if (data.optionsStageEditor.dadChar == null
+      || CharacterDataParser.fetchCharacterData(data.optionsStageEditor.dadChar ?? "") == null) data.optionsStageEditor.dadChar = "dad";
+
+    return data.optionsStageEditor.dadChar;
+  }
+
+  function set_stageDadChar(value:String):String
+  {
+    // Set and apply.
+    data.optionsStageEditor.dadChar = value;
+    flush();
+    return data.optionsStageEditor.dadChar;
+  }
+
   /**
    * When we've seen a character unlock, add it to the list of characters seen.
    * @param character
@@ -1441,16 +1552,12 @@ typedef SaveDataOptions =
    * @param shouldHideMouse Should the mouse be hidden when taking a screenshot? Default: `true`
    * @param fancyPreview Show a fancy preview? Default: `true`
    * @param previewOnSave Only show the fancy preview after a screenshot is saved? Default: `true`
-   * @param saveFormat The save format of the screenshot, PNG or JPEG. Default: `PNG`
-   * @param jpegQuality The JPEG Quality, if we're saving to the format. Default: `80`
    */
   var screenshot:
     {
       var shouldHideMouse:Bool;
       var fancyPreview:Bool;
       var previewOnSave:Bool;
-      var saveFormat:String;
-      var jpegQuality:Int;
     };
 
   var controls:
@@ -1653,10 +1760,16 @@ typedef SaveDataChartEditorOptions =
   var ?instVolume:Float;
 
   /**
-   * Voices volume in the Chart Editor.
+   * Player voice volume in the Chart Editor.
    * @default `1.0`
    */
-  var ?voicesVolume:Float;
+  var ?playerVoiceVolume:Float;
+
+  /**
+   * Opponent voice volume in the Chart Editor.
+   * @default `1.0`
+   */
+  var ?opponentVoiceVolume:Float;
 
   /**
    * Playback speed in the Chart Editor.
@@ -1699,4 +1812,22 @@ typedef SaveDataStageEditorOptions =
    * @default `StageEditorTheme.Light`
    */
   var ?theme:StageEditorTheme;
+
+  /**
+   * The BF character ID used in testing stages.
+   * @default bf
+   */
+  var ?bfChar:String;
+
+  /**
+   * The GF character ID used in testing stages.
+   * @default gf
+   */
+  var ?gfChar:String;
+
+  /**
+   * The Dad character ID used in testing stages.
+   * @default dad
+   */
+  var ?dadChar:String;
 };

source/funkin/ui/AtlasMenuList.hx

@@ -8,9 +8,10 @@ typedef AtlasAsset = flixel.util.typeLimit.OneOfTwo<String, FlxAtlasFrames>;
 /**
  * A menulist whose items share a single texture atlas.
  */
+@:nullSafety
 class AtlasMenuList extends MenuTypedList<AtlasMenuItem>
 {
-  public var atlas:FlxAtlasFrames;
+  public var atlas:Null<FlxAtlasFrames>;
 
   public function new(atlas, navControls:NavControls = Vertical, ?wrapMode)
   {
@@ -38,9 +39,10 @@ class AtlasMenuList extends MenuTypedList<AtlasMenuItem>
 /**
  * A menu list item which uses single texture atlas.
  */
+@:nullSafety
 class AtlasMenuItem extends MenuListItem
 {
-  var atlas:FlxAtlasFrames;
+  var atlas:Null<FlxAtlasFrames>;
 
   public var centered:Bool = false;
 
@@ -52,7 +54,7 @@ class AtlasMenuItem extends MenuListItem
 
   override function setData(name:String, ?callback:Void->Void)
   {
-    frames = atlas;
+    if (atlas != null) frames = atlas;
     animation.addByPrefix('idle', '$name idle', 24);
     animation.addByPrefix('selected', '$name selected', 24);
 

source/funkin/ui/AtlasText.hx

@@ -9,6 +9,7 @@ import flixel.util.FlxStringUtil;
  * AtlasText is an improved version of Alphabet and FlxBitmapText.
  * It supports animations on the letters, and is less buggy than Alphabet.
  */
+@:nullSafety
 class AtlasText extends FlxTypedSpriteGroup<AtlasChar>
 {
   static var fonts = new Map<AtlasFont, AtlasFontData>();
@@ -16,7 +17,7 @@ class AtlasText extends FlxTypedSpriteGroup<AtlasChar>
 
   public var text(default, set):String = "";
 
-  var font:AtlasFontData;
+  var font:AtlasFontData = new AtlasFontData(AtlasFont.DEFAULT);
 
   public var atlas(get, never):FlxAtlasFrames;
 
@@ -33,10 +34,10 @@ class AtlasText extends FlxTypedSpriteGroup<AtlasChar>
   inline function get_maxHeight()
     return font.maxHeight;
 
-  public function new(x = 0.0, y = 0.0, text:String, fontName:AtlasFont = AtlasFont.DEFAULT)
+  public function new(x = 0.0, y = 0.0, text:String = "", fontName:AtlasFont = AtlasFont.DEFAULT)
   {
     if (!fonts.exists(fontName)) fonts[fontName] = new AtlasFontData(fontName);
-    font = fonts[fontName];
+    font = fonts[fontName] ?? new AtlasFontData(fontName);
 
     super(x, y);
 
@@ -251,6 +252,7 @@ class AtlasChar extends FlxSprite
   }
 }
 
+@:nullSafety
 private class AtlasFontData
 {
   static public var upperChar = ~/^[A-Z]\d+$/;