mirror of
https://github.com/ninjamuffin99/Funkin.git
synced 2024-11-05 14:24:28 +00:00
521 lines
15 KiB
Haxe
521 lines
15 KiB
Haxe
package funkin.play.song;
|
|
|
|
import flixel.sound.FlxSound;
|
|
import openfl.utils.Assets;
|
|
import funkin.modding.events.ScriptEvent;
|
|
import funkin.modding.IScriptedClass;
|
|
import funkin.audio.VoicesGroup;
|
|
import funkin.data.song.SongRegistry;
|
|
import funkin.data.song.SongData.SongChartData;
|
|
import funkin.data.song.SongData.SongEventData;
|
|
import funkin.data.song.SongData.SongNoteData;
|
|
import funkin.data.song.SongRegistry;
|
|
import funkin.data.song.SongData.SongMetadata;
|
|
import funkin.data.song.SongData.SongCharacterData;
|
|
import funkin.data.song.SongData.SongTimeChange;
|
|
import funkin.data.song.SongData.SongTimeFormat;
|
|
import funkin.data.IRegistryEntry;
|
|
|
|
/**
|
|
* This is a data structure managing information about the current song.
|
|
* This structure is created when the game starts, and includes all the data
|
|
* from the `metadata.json` file.
|
|
* It also includes the chart data, but only when this is the currently loaded song.
|
|
*
|
|
* It also receives script events; scripted classes which extend this class
|
|
* can be used to perform custom gameplay behaviors only on specific songs.
|
|
*/
|
|
@:nullSafety
|
|
class Song implements IPlayStateScriptedClass implements IRegistryEntry<SongMetadata>
|
|
{
|
|
public static final DEFAULT_SONGNAME:String = "Unknown";
|
|
public static final DEFAULT_ARTIST:String = "Unknown";
|
|
public static final DEFAULT_TIMEFORMAT:SongTimeFormat = SongTimeFormat.MILLISECONDS;
|
|
public static final DEFAULT_DIVISIONS:Null<Int> = null;
|
|
public static final DEFAULT_LOOPED:Bool = false;
|
|
public static final DEFAULT_STAGE:String = "mainStage";
|
|
public static final DEFAULT_SCROLLSPEED:Float = 1.0;
|
|
|
|
public final id:String;
|
|
|
|
/**
|
|
* Song metadata as parsed from the JSON file.
|
|
* This is the data for the `default` variation specifically,
|
|
* and is needed for the IRegistryEntry interface.
|
|
* Will only be null if the song data could not be loaded.
|
|
*/
|
|
public final _data:Null<SongMetadata>;
|
|
|
|
final _metadata:Array<SongMetadata>;
|
|
|
|
final variations:Array<String>;
|
|
final difficulties:Map<String, SongDifficulty>;
|
|
|
|
/**
|
|
* Set to false if the song was edited in the charter and should not be saved as a high score.
|
|
*/
|
|
public var validScore:Bool = true;
|
|
|
|
var difficultyIds:Array<String>;
|
|
|
|
public var songName(get, never):String;
|
|
|
|
function get_songName():String
|
|
{
|
|
if (_data != null) return _data?.songName ?? DEFAULT_SONGNAME;
|
|
if (_metadata.length > 0) return _metadata[0]?.songName ?? DEFAULT_SONGNAME;
|
|
return DEFAULT_SONGNAME;
|
|
}
|
|
|
|
public var songArtist(get, never):String;
|
|
|
|
function get_songArtist():String
|
|
{
|
|
if (_data != null) return _data?.artist ?? DEFAULT_ARTIST;
|
|
if (_metadata.length > 0) return _metadata[0]?.artist ?? DEFAULT_ARTIST;
|
|
return DEFAULT_ARTIST;
|
|
}
|
|
|
|
/**
|
|
* @param id The ID of the song to load.
|
|
* @param ignoreErrors If false, an exception will be thrown if the song data could not be loaded.
|
|
*/
|
|
public function new(id:String)
|
|
{
|
|
this.id = id;
|
|
|
|
variations = [];
|
|
difficultyIds = [];
|
|
difficulties = new Map<String, SongDifficulty>();
|
|
|
|
_data = _fetchData(id);
|
|
|
|
_metadata = _data == null ? [] : [_data];
|
|
|
|
variations.clear();
|
|
variations.push(Constants.DEFAULT_VARIATION);
|
|
|
|
if (_data != null && _data.playData != null)
|
|
{
|
|
for (vari in _data.playData.songVariations)
|
|
variations.push(vari);
|
|
}
|
|
|
|
for (meta in fetchVariationMetadata(id))
|
|
_metadata.push(meta);
|
|
|
|
if (_metadata.length == 0)
|
|
{
|
|
trace('[WARN] Could not find song data for songId: $id');
|
|
return;
|
|
}
|
|
|
|
populateDifficulties();
|
|
}
|
|
|
|
@:allow(funkin.play.song.Song)
|
|
public static function buildRaw(songId:String, metadata:Array<SongMetadata>, variations:Array<String>, charts:Map<String, SongChartData>,
|
|
validScore:Bool = false):Song
|
|
{
|
|
var result:Song = new Song(songId);
|
|
|
|
result._metadata.clear();
|
|
for (meta in metadata)
|
|
result._metadata.push(meta);
|
|
|
|
result.variations.clear();
|
|
for (vari in variations)
|
|
result.variations.push(vari);
|
|
|
|
result.difficultyIds.clear();
|
|
|
|
result.populateDifficulties();
|
|
|
|
for (variation => chartData in charts)
|
|
result.applyChartData(chartData, variation);
|
|
|
|
result.validScore = validScore;
|
|
|
|
return result;
|
|
}
|
|
|
|
public function getRawMetadata():Array<SongMetadata>
|
|
{
|
|
return _metadata;
|
|
}
|
|
|
|
/**
|
|
* Populate the difficulty data from the provided metadata.
|
|
* Does not load chart data (that is triggered later when we want to play the song).
|
|
*/
|
|
function populateDifficulties():Void
|
|
{
|
|
if (_metadata == null || _metadata.length == 0) return;
|
|
|
|
// Variations may have different artist, time format, generatedBy, etc.
|
|
for (metadata in _metadata)
|
|
{
|
|
if (metadata == null || metadata.playData == null) continue;
|
|
|
|
// There may be more difficulties in the chart file than in the metadata,
|
|
// (i.e. non-playable charts like the one used for Pico on the speaker in Stress)
|
|
// but all the difficulties in the metadata must be in the chart file.
|
|
for (diffId in metadata.playData.difficulties)
|
|
{
|
|
difficultyIds.push(diffId);
|
|
|
|
var difficulty:SongDifficulty = new SongDifficulty(this, diffId, metadata.variation);
|
|
|
|
variations.push(metadata.variation);
|
|
|
|
difficulty.songName = metadata.songName;
|
|
difficulty.songArtist = metadata.artist;
|
|
difficulty.timeFormat = metadata.timeFormat;
|
|
difficulty.divisions = metadata.divisions;
|
|
difficulty.timeChanges = metadata.timeChanges;
|
|
difficulty.looped = metadata.looped;
|
|
difficulty.generatedBy = metadata.generatedBy;
|
|
|
|
difficulty.stage = metadata.playData.stage;
|
|
difficulty.noteStyle = metadata.playData.noteSkin;
|
|
|
|
difficulties.set(diffId, difficulty);
|
|
|
|
difficulty.characters = metadata.playData.characters;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse and cache the chart for all difficulties of this song.
|
|
*/
|
|
public function cacheCharts(force:Bool = false):Void
|
|
{
|
|
if (force)
|
|
{
|
|
clearCharts();
|
|
}
|
|
|
|
trace('Caching ${variations.length} chart files for song $id');
|
|
for (variation in variations)
|
|
{
|
|
var version:Null<thx.semver.Version> = SongRegistry.instance.fetchEntryChartVersion(id, variation);
|
|
if (version == null) continue;
|
|
var chart:Null<SongChartData> = SongRegistry.instance.parseEntryChartDataWithMigration(id, variation, version);
|
|
if (chart == null) continue;
|
|
applyChartData(chart, variation);
|
|
}
|
|
trace('Done caching charts.');
|
|
}
|
|
|
|
function applyChartData(chartData:SongChartData, variation:String):Void
|
|
{
|
|
var chartNotes = chartData.notes;
|
|
|
|
for (diffId in chartNotes.keys())
|
|
{
|
|
// Retrieve the cached difficulty data.
|
|
var difficulty:Null<SongDifficulty> = difficulties.get(diffId);
|
|
if (difficulty == null)
|
|
{
|
|
trace('Fabricated new difficulty for $diffId.');
|
|
difficulty = new SongDifficulty(this, diffId, variation);
|
|
difficulties.set(diffId, difficulty);
|
|
}
|
|
// Add the chart data to the difficulty.
|
|
difficulty.notes = chartNotes.get(diffId) ?? [];
|
|
difficulty.scrollSpeed = chartData.getScrollSpeed(diffId) ?? 1.0;
|
|
|
|
difficulty.events = chartData.events;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve the metadata for a specific difficulty, including the chart if it is loaded.
|
|
* @param diffId The difficulty ID, such as `easy` or `hard`.
|
|
* @return The difficulty data.
|
|
*/
|
|
public inline function getDifficulty(?diffId:String):Null<SongDifficulty>
|
|
{
|
|
if (diffId == null) diffId = difficulties.keys().array()[0];
|
|
|
|
return difficulties.get(diffId);
|
|
}
|
|
|
|
public function listDifficulties():Array<String>
|
|
{
|
|
return difficultyIds;
|
|
}
|
|
|
|
public function hasDifficulty(diffId:String):Bool
|
|
{
|
|
return difficulties.exists(diffId);
|
|
}
|
|
|
|
/**
|
|
* Purge the cached chart data for each difficulty of this song.
|
|
*/
|
|
public function clearCharts():Void
|
|
{
|
|
for (diff in difficulties)
|
|
{
|
|
diff.clearChart();
|
|
}
|
|
}
|
|
|
|
public function toString():String
|
|
{
|
|
return 'Song($id)';
|
|
}
|
|
|
|
public function destroy():Void {}
|
|
|
|
public function onPause(event:PauseScriptEvent):Void {};
|
|
|
|
public function onResume(event:ScriptEvent):Void {};
|
|
|
|
public function onSongLoaded(event:SongLoadScriptEvent):Void {};
|
|
|
|
public function onSongStart(event:ScriptEvent):Void {};
|
|
|
|
public function onSongEnd(event:ScriptEvent):Void {};
|
|
|
|
public function onGameOver(event:ScriptEvent):Void {};
|
|
|
|
public function onSongRetry(event:ScriptEvent):Void {};
|
|
|
|
public function onNoteHit(event:NoteScriptEvent):Void {};
|
|
|
|
public function onNoteMiss(event:NoteScriptEvent):Void {};
|
|
|
|
public function onNoteGhostMiss(event:GhostMissNoteScriptEvent):Void {};
|
|
|
|
public function onSongEvent(event:SongEventScriptEvent):Void {};
|
|
|
|
public function onStepHit(event:SongTimeScriptEvent):Void {};
|
|
|
|
public function onBeatHit(event:SongTimeScriptEvent):Void {};
|
|
|
|
public function onCountdownStart(event:CountdownScriptEvent):Void {};
|
|
|
|
public function onCountdownStep(event:CountdownScriptEvent):Void {};
|
|
|
|
public function onCountdownEnd(event:CountdownScriptEvent):Void {};
|
|
|
|
public function onScriptEvent(event:ScriptEvent):Void {};
|
|
|
|
public function onCreate(event:ScriptEvent):Void {};
|
|
|
|
public function onDestroy(event:ScriptEvent):Void {};
|
|
|
|
public function onUpdate(event:UpdateScriptEvent):Void {};
|
|
|
|
static function _fetchData(id:String):Null<SongMetadata>
|
|
{
|
|
trace('Fetching song metadata for $id');
|
|
var version:Null<thx.semver.Version> = SongRegistry.instance.fetchEntryMetadataVersion(id);
|
|
if (version == null) return null;
|
|
return SongRegistry.instance.parseEntryMetadataWithMigration(id, Constants.DEFAULT_VARIATION, version);
|
|
}
|
|
|
|
function fetchVariationMetadata(id:String):Array<SongMetadata>
|
|
{
|
|
var result:Array<SongMetadata> = [];
|
|
for (vari in variations)
|
|
{
|
|
var version:Null<thx.semver.Version> = SongRegistry.instance.fetchEntryMetadataVersion(id, vari);
|
|
if (version == null) continue;
|
|
var meta:Null<SongMetadata> = SongRegistry.instance.parseEntryMetadataWithMigration(id, vari, version);
|
|
if (meta != null) result.push(meta);
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
|
|
class SongDifficulty
|
|
{
|
|
/**
|
|
* The parent song for this difficulty.
|
|
*/
|
|
public final song:Song;
|
|
|
|
/**
|
|
* The difficulty ID, such as `easy` or `hard`.
|
|
*/
|
|
public final difficulty:String;
|
|
|
|
/**
|
|
* The metadata file that contains this difficulty.
|
|
*/
|
|
public final variation:String;
|
|
|
|
/**
|
|
* The note chart for this difficulty.
|
|
*/
|
|
public var notes:Array<SongNoteData>;
|
|
|
|
/**
|
|
* The event chart for this difficulty.
|
|
*/
|
|
public var events:Array<SongEventData>;
|
|
|
|
public var songName:String = Constants.DEFAULT_SONGNAME;
|
|
public var songArtist:String = Constants.DEFAULT_ARTIST;
|
|
public var timeFormat:SongTimeFormat = Constants.DEFAULT_TIMEFORMAT;
|
|
public var divisions:Null<Int> = null;
|
|
public var looped:Bool = false;
|
|
public var generatedBy:String = SongRegistry.DEFAULT_GENERATEDBY;
|
|
|
|
public var timeChanges:Array<SongTimeChange> = [];
|
|
|
|
public var stage:String = Constants.DEFAULT_STAGE;
|
|
public var noteStyle:String = Constants.DEFAULT_NOTE_STYLE;
|
|
public var characters:SongCharacterData = null;
|
|
|
|
public var scrollSpeed:Float = Constants.DEFAULT_SCROLLSPEED;
|
|
|
|
public function new(song:Song, diffId:String, variation:String)
|
|
{
|
|
this.song = song;
|
|
this.difficulty = diffId;
|
|
this.variation = variation;
|
|
}
|
|
|
|
public function clearChart():Void
|
|
{
|
|
notes = null;
|
|
}
|
|
|
|
public function getStartingBPM():Float
|
|
{
|
|
if (timeChanges.length == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return timeChanges[0].bpm;
|
|
}
|
|
|
|
public function getEvents():Array<SongEventData>
|
|
{
|
|
return cast events;
|
|
}
|
|
|
|
public function cacheInst(instrumental = ''):Void
|
|
{
|
|
if (characters != null)
|
|
{
|
|
if (instrumental != '' && characters.altInstrumentals.contains(instrumental))
|
|
{
|
|
FlxG.sound.cache(Paths.inst(this.song.id, instrumental));
|
|
}
|
|
else
|
|
{
|
|
// Fallback to default instrumental.
|
|
FlxG.sound.cache(Paths.inst(this.song.id, characters.instrumental));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
FlxG.sound.cache(Paths.inst(this.song.id));
|
|
}
|
|
}
|
|
|
|
public inline function playInst(volume:Float = 1.0, looped:Bool = false):Void
|
|
{
|
|
var suffix:String = (variation != null && variation != '' && variation != 'default') ? '-$variation' : '';
|
|
FlxG.sound.playMusic(Paths.inst(this.song.id, suffix), volume, looped);
|
|
}
|
|
|
|
/**
|
|
* Cache the vocals for a given character.
|
|
* @param id The character we are about to play.
|
|
*/
|
|
public inline function cacheVocals():Void
|
|
{
|
|
for (voice in buildVoiceList())
|
|
{
|
|
FlxG.sound.cache(voice);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Build a list of vocal files for the given character.
|
|
* Automatically resolves suffixed character IDs (so bf-car will resolve to bf if needed).
|
|
*
|
|
* @param id The character we are about to play.
|
|
*/
|
|
public function buildVoiceList():Array<String>
|
|
{
|
|
var suffix:String = (variation != null && variation != '' && variation != 'default') ? '-$variation' : '';
|
|
|
|
// Automatically resolve voices by removing suffixes.
|
|
// For example, if `Voices-bf-car.ogg` does not exist, check for `Voices-bf.ogg`.
|
|
|
|
var playerId:String = characters.player;
|
|
var voicePlayer:String = Paths.voices(this.song.id, '-$playerId$suffix');
|
|
while (voicePlayer != null && !Assets.exists(voicePlayer))
|
|
{
|
|
// Remove the last suffix.
|
|
// For example, bf-car becomes bf.
|
|
playerId = playerId.split('-').slice(0, -1).join('-');
|
|
// Try again.
|
|
voicePlayer = playerId == '' ? null : Paths.voices(this.song.id, '-${playerId}$suffix');
|
|
}
|
|
|
|
var opponentId:String = characters.opponent;
|
|
var voiceOpponent:String = Paths.voices(this.song.id, '-${opponentId}$suffix');
|
|
while (voiceOpponent != null && !Assets.exists(voiceOpponent))
|
|
{
|
|
// Remove the last suffix.
|
|
opponentId = opponentId.split('-').slice(0, -1).join('-');
|
|
// Try again.
|
|
voiceOpponent = opponentId == '' ? null : Paths.voices(this.song.id, '-${opponentId}$suffix');
|
|
}
|
|
|
|
var result:Array<String> = [];
|
|
if (voicePlayer != null) result.push(voicePlayer);
|
|
if (voiceOpponent != null) result.push(voiceOpponent);
|
|
if (voicePlayer == null && voiceOpponent == null)
|
|
{
|
|
// Try to use `Voices.ogg` if no other voices are found.
|
|
if (Assets.exists(Paths.voices(this.song.id, ''))) result.push(Paths.voices(this.song.id, '$suffix'));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Create a VoicesGroup, an audio object that can play the vocals for all characters.
|
|
* @param charId The player ID.
|
|
* @return The generated vocal group.
|
|
*/
|
|
public function buildVocals():VoicesGroup
|
|
{
|
|
var result:VoicesGroup = new VoicesGroup();
|
|
|
|
var voiceList:Array<String> = buildVoiceList();
|
|
|
|
if (voiceList.length == 0)
|
|
{
|
|
trace('Could not find any voices for song ${this.song.id}');
|
|
return result;
|
|
}
|
|
|
|
// Add player vocals.
|
|
if (voiceList[0] != null) result.addPlayerVoice(new FlxSound().loadEmbedded(Assets.getSound(voiceList[0])));
|
|
// Add opponent vocals.
|
|
if (voiceList[1] != null) result.addOpponentVoice(new FlxSound().loadEmbedded(Assets.getSound(voiceList[1])));
|
|
|
|
// Add additional vocals.
|
|
if (voiceList.length > 2)
|
|
{
|
|
for (i in 2...voiceList.length)
|
|
{
|
|
result.add(new FlxSound().loadEmbedded(Assets.getSound(voiceList[i])));
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|