Library groundwork

project.godot

@@ -30,6 +30,7 @@ channel_disable_time=5.0
 Note="*res://scripts/Note.gd"
 Rules="*res://scripts/Rules.gd"
 FileLoader="*res://scripts/FileLoader.gd"
+Library="*res://scripts/Library.gd"
 GameTheme="*res://scripts/GameTheme.gd"
 SFXPlayer="*res://scripts/SFXPlayer.gd"
 

scripts/FileLoader.gd

@@ -54,6 +54,7 @@ func find_by_extensions(array, extensions=null) -> Dictionary:
 				output[ext] = [filename]
 	return output
 
+const default_difficulty_keys = ['Z', 'B', 'A', 'E', 'M', 'R']
 func scan_library():
 	print('Scanning library')
 	var rootdir = userroot + 'songs'
@@ -83,6 +84,12 @@ func scan_library():
 				genres[song_defs[key]['genre']].append(key)
 			else:
 				genres[song_defs[key]['genre']] = [key]
+			if typeof(song_defs[key]['chart_difficulties']) == TYPE_ARRAY:
+				var diffs = song_defs[key]['chart_difficulties']
+				var chart_difficulties = {}
+				for i in min(len(diffs), len(default_difficulty_keys)):
+					chart_difficulties[default_difficulty_keys[i]] = diffs[i]
+				song_defs[key]['chart_difficulties'] = chart_difficulties
 		elif dir.file_exists(key + '/collection.json'):
 			var collection = FileLoader.load_folder('%s/%s' % [rootdir, key], 'collection')
 			collections[key] = collection
@@ -90,11 +97,17 @@ func scan_library():
 			for key in collection.keys():
 				if key != 'songs':
 					base_dict[key] = collection[key]
-			for song in collection['songs']:
+			for song_key in collection['songs'].keys():
+				var song_dict = collection['songs'][song_key]
 				var song_def = base_dict.duplicate()
-				song_defs[key] = song_def
-				for key in song.keys():
-					song_def[key] = song[key]
+				song_defs[song_key] = song_def
+				for key in song_dict.keys():
+					song_def[key] = song_dict[key]
+				song_images[song_key] = FileLoader.load_image('%s/%s/%s.png' % [rootdir, key, song_key])
+				if song_defs[song_key]['genre'] in genres:
+					genres[song_defs[song_key]['genre']].append(song_key)
+				else:
+					genres[song_defs[song_key]['genre']] = [song_key]
 		else:
 			var files_by_ext = find_by_extensions(directory_list(rootdir + '/' + key, false).files)
 			if 'sm' in files_by_ext:
@@ -244,10 +257,10 @@ class RGT:
 				return notes
 			Format.RGTM:
 				lines.pop_front()  # Anything before the first [header] is meaningless
-				var charts = []
-				for c in lines:
-					charts.append(parse_rgts(c))
-				return [chart_ids, charts]
+				var charts = {}
+				for i in len(lines):
+					charts[chart_ids[i]] = parse_rgts(lines[i])
+				return charts
 		return format
 
 	static func parse_rgtx(lines):
@@ -532,6 +545,30 @@ func load_folder(folder, filename='song'):
 	result.directory = folder
 	return result
 
+func load_filelist(filelist: Array):
+	var charts = {}
+	var key := 1
+	for filename in filelist:
+		var extension: String = filename.rsplit('.', true, 1)[-1]
+		match extension:
+			'rgtm':  # multiple charts
+				var res = RGT.load_file(filename)
+				for key in res:
+					charts[key] = res[key]
+			'rgts', 'rgtx':  # single chart
+				charts[key] = RGT.load_file(filename)
+				key += 1
+			'srt':  # maimai, single chart
+				charts[key] = SRT.load_file(filename)
+				key += 1
+			'sm':  # Stepmania, multiple charts
+				var res = SM.load_file(filename)
+				for key in res:
+					charts[key] = res[key]
+			_:
+				pass
+	return charts
+
 
 func load_ogg(filename) -> AudioStreamOGGVorbis:
 	var audiostream = AudioStreamOGGVorbis.new()

scripts/Library.gd

@@ -0,0 +1,121 @@
+extends Node
+
+class MultilangStr:
+	# Automatically propogate higher langs to lower ones if lower ones are missing.
+	# e.g. if we don't have a proper english title, return the transliterated one instead
+	# If I could alias properties, these would have their full names as well, but no point duplicating variables for the longform.
+	var n := '' setget set_native
+	var tl := '' setget set_translit
+	var en := '' setget set_english
+	func _init(native='', translit='', english=''):
+		self.n = native
+		if not translit.empty():
+			self.tl = translit
+		if not english.empty:
+			self.en = english
+#	func get_native() -> String:
+#		return n
+#	func get_translit() -> String:
+#		return tl if tl else n
+#	func get_english() -> String:
+#		return en if en else self.tl
+	func set_native(native) -> void:
+		n = native
+		if tl.empty():
+			tl = native
+	func set_translit(translit) -> void:
+		tl = translit
+		if en.empty():
+			en = translit
+	func set_english(english) -> void:
+		en = english
+
+class Song:
+	var title: MultilangStr
+	var subtitle: MultilangStr
+	var artist: MultilangStr
+	var BPM: float
+	var bpm_beats: Array
+	var bpm_values: Array
+	var dynamic_bpm: bool
+	var genre: String
+	var tile_filename: String
+	var audio_filelist: Array
+	var video_filelist: Array
+	var chart_filelist: Array
+	var audio_offsets: Array
+	var video_offsets: Array
+	var audio_preview_times: Array
+	var video_dimensions: Array
+	var chart_difficulties: Dictionary
+	const default_difficulty_keys = ['Z', 'B', 'A', 'E', 'M', 'R']
+
+	func _init(values: Dictionary):
+		title = MultilangStr.new(values.get('title', ''), values.get('title_transliteration', ''), values.get('title_english', ''))
+		subtitle = MultilangStr.new(values.get('subtitle', ''), values.get('subtitle_transliteration', ''), values.get('subtitle_english', ''))
+		artist = MultilangStr.new(values.get('artist', ''), values.get('artist_transliteration', ''), values.get('artist_english', ''))
+
+		dynamic_bpm = false
+		if 'bpm_values' in values:
+			bpm_values = values['bpm_values']
+			BPM = bpm_values[0]
+			bpm_beats = values.get('bpm_beats', [0.0])
+			dynamic_bpm = true if len(bpm_beats) > 1 and len(bpm_beats)==len(bpm_values) else false
+		if 'bpm' in values:
+			BPM = values['bpm']
+
+		tile_filename = values.get('tile_filename', '%s.png'%values.get('index', 'tile'))
+		audio_filelist = values.get('audio_filelist', ['%s.ogg'%values.get('index', 'audio')])
+		video_filelist = values.get('video_filelist', ['%s.webm'%values.get('index', 'video')])
+		video_dimensions = values.get('video_dimensions', [1.0, 1.0])
+		audio_preview_times = values.get('video_dimensions', [1.0, 1.0])
+		genre = values.get('genre', 'None')
+
+		chart_filelist = values.get('chart_filelist', ['%s.rtgm'%values.get('index', 'charts')])
+
+		var diffs = values['chart_difficulties']
+		match typeof(diffs):
+			TYPE_DICTIONARY:
+				chart_difficulties = diffs
+			TYPE_ARRAY:
+				chart_difficulties = {}
+				for i in min(len(diffs), len(default_difficulty_keys)):
+					chart_difficulties[default_difficulty_keys[i]] = diffs[i]
+			_:
+				print_debug('Invalid chart_difficulties!', title.en)
+				chart_difficulties = {}
+
+	func get_BPM(realtime:=0.0):
+		if not dynamic_bpm:
+			return BPM
+		# TODO: some dynamic behaviour when all that jazz is implemented
+
+
+var all_songs = {}
+var genre_ids = {}
+var genre_titles = []
+var genre_songs = []
+
+var tile_tex_cache = {}  # We'll need some way of managing this later since holding all the tiles in memory might be expensive
+var charts_cache = {}
+
+func get_song_tile_texture(song_key):
+	if song_key in tile_tex_cache:
+		return tile_tex_cache[song_key]
+	elif song_key in all_songs:
+		tile_tex_cache[song_key] = load(all_songs[song_key].tile_filename)
+		return tile_tex_cache[song_key]
+	else:
+		print_debug('Invalid song_key: ', song_key)
+
+func get_song_charts(song_key):
+	if song_key in charts_cache:
+		return charts_cache[song_key]
+	elif song_key in all_songs:
+		charts_cache[song_key] = FileLoader.load_filelist(all_songs[song_key].chart_filelist)
+		return charts_cache[song_key]
+	else:
+		print_debug('Invalid song_key: ', song_key)
+
+func initialize():
+	pass

scripts/Menu.gd

@@ -111,8 +111,8 @@ func _ready():
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
 	var diff = selected_song - (selected_song_vis + selected_song_delta)
-	selected_song_speed = sign(diff)*ease(abs(diff), 2)*10
-	selected_song_delta += selected_song_speed * delta
+	selected_song_speed = ease(abs(diff), 1)*10
+	selected_song_delta += sign(diff) * selected_song_speed * delta
 	if selected_song_delta > 0.5:
 		selected_song_delta -= 1.0
 		selected_song_vis += 1
@@ -139,9 +139,9 @@ func draw_songtile(song_key, position, size, title_text:=false, difficulty=selec
 	draw_rect(Rect2(position.x - outline_px, position.y - outline_px, size + outline_px*2, size + outline_px*2), diff_color)
 	draw_texture_rect(song_images[song_key], rect, false)
 	# Draw track difficulty rating
-	draw_string_centered(GenreFont, Vector2(position.x+size-24, position.y+size-56), diffstr(song_defs[song_key]["chart_difficulties"][difficulty]), diff_color)
+	draw_string_centered(GenreFont, Vector2(position.x+size-24, position.y+size-56), song_defs[song_key]['chart_difficulties'].get(Library.Song.default_difficulty_keys[difficulty], 0), diff_color)
 	if title_text:
-		draw_string_centered(TitleFont, Vector2(position.x+size/2.0, position.y+size), song_defs[song_key]["title"], Color(0.95, 0.95, 1.0))
+		draw_string_centered(TitleFont, Vector2(position.x+size/2.0, position.y+size), song_defs[song_key]['title'], Color(0.95, 0.95, 1.0))
 	return rect
 
 func diffstr(difficulty: float):
@@ -155,7 +155,7 @@ func _draw_song_select(center: Vector2) -> Array:
 	var spacer_y = 64
 	var sel_scales := [1.0, 0.8, 0.64, 0.512, 0.4096]
 	var bg_scales := [0.64, 0.64, 0.64, 0.512, 0.4096]
-	var gy := center.y
+	var gy := center.y -250
 	var touchrects := []
 
 	for g in len(genres):