General proofreading (#1262)

* General proofreading for grammar and spelling
* General formatting
* Addition of appropriate literals where appropriate, i.e. `&"foo"` for `StringName` cases and `^"foo/bar"` for `NodePath` cases

audio/rhythm_game/game_state/conductor.gd

@@ -69,17 +69,17 @@ func _process(_delta: float) -> void:
 	# First, calculate the song time using data from the audio thread. This
 	# value is very jittery, but will always match what the player is hearing.
 	_song_time_audio = (
-		player.get_playback_position()
-		# The 1st beat may not start at second 0 of the audio track. Compensate
-		# with an offset setting.
-		- first_beat_offset_ms / 1000.0
-		# For most platforms, the playback position value updates in chunks,
-		# with each chunk being one "mix". Smooth this out by adding in the time
-		# since the last chunk was processed.
-		+ last_mix
-		# Current processed audio is heard later.
-		- _cached_output_latency
-	)
+			player.get_playback_position()
+			# The 1st beat may not start at second 0 of the audio track. Compensate
+			# with an offset setting.
+			- first_beat_offset_ms / 1000.0
+			# For most platforms, the playback position value updates in chunks,
+			# with each chunk being one "mix". Smooth this out by adding in the time
+			# since the last chunk was processed.
+			+ last_mix
+			# Current processed audio is heard later.
+			- _cached_output_latency
+		)
 
 	# Next, calculate the song time using the system clock at render rate. This
 	# value is very stable, but can drift from the playing audio due to pausing,
@@ -126,17 +126,17 @@ func play() -> void:
 
 	# Capture the start of the song using the system clock.
 	_song_time_begin = (
-		Time.get_ticks_usec() / 1000000.0
-		# The 1st beat may not start at second 0 of the audio track. Compensate
-		# with an offset setting.
-		+ first_beat_offset_ms / 1000.0
-		# Playback does not start immediately, but only when the next audio
-		# chunk is processed (the "mix" step). Add in the time until that
-		# happens.
-		+ AudioServer.get_time_to_next_mix()
-		# Add in additional output latency.
-		+ _cached_output_latency
-	)
+			Time.get_ticks_usec() / 1000000.0
+			# The 1st beat may not start at second 0 of the audio track. Compensate
+			# with an offset setting.
+			+ first_beat_offset_ms / 1000.0
+			# Playback does not start immediately, but only when the next audio
+			# chunk is processed (the "mix" step). Add in the time until that
+			# happens.
+			+ AudioServer.get_time_to_next_mix()
+			# Add in additional output latency.
+			+ _cached_output_latency
+		)
 
 
 func stop() -> void:

audio/rhythm_game/game_state/note_manager.gd

@@ -24,9 +24,9 @@ var _hit_count: int = 0
 func _ready() -> void:
 	_play_stats = PlayStats.new()
 	_play_stats.changed.connect(
-		func() -> void:
-			play_stats_updated.emit(_play_stats)
-	)
+			func() -> void:
+				play_stats_updated.emit(_play_stats)
+		)
 
 	var chart_data := ChartData.get_chart_data(chart)
 
@@ -58,7 +58,7 @@ func _process(_delta: float) -> void:
 
 	_miss_old_notes()
 
-	if Input.is_action_just_pressed("main_key"):
+	if Input.is_action_just_pressed(&"main_key"):
 		_handle_keypress()
 
 	if _notes.is_empty():

audio/rhythm_game/game_state/play_stats.gd

@@ -6,16 +6,19 @@ extends Resource
 		if mean_hit_error != value:
 			mean_hit_error = value
 			emit_changed()
+
 @export var perfect_count: int = 0:
 	set(value):
 		if perfect_count != value:
 			perfect_count = value
 			emit_changed()
+
 @export var good_count: int = 0:
 	set(value):
 		if good_count != value:
 			good_count = value
 			emit_changed()
+
 @export var miss_count: int = 0:
 	set(value):
 		if miss_count != value:

audio/rhythm_game/globals/one_euro_filter.gd

@@ -18,12 +18,14 @@ func _init(args: Variant) -> void:
 	x_filter = LowPassFilter.new()
 	dx_filter = LowPassFilter.new()
 
+
 func alpha(rate: float, cutoff: float) -> float:
 	var tau: float = 1.0 / (2 * PI * cutoff)
 	var te: float = 1.0 / rate
 
 	return 1.0 / (1.0 + tau/te)
 
+
 func filter(value: float, delta: float) -> float:
 	var rate: float = 1.0 / delta
 	var dx: float = (value - x_filter.last_value) * rate
@@ -32,12 +34,15 @@ func filter(value: float, delta: float) -> float:
 	var cutoff: float = min_cutoff + beta * abs(edx)
 	return x_filter.filter(value, alpha(rate, cutoff))
 
+
 class LowPassFilter:
 	var last_value: float
 
+
 	func _init() -> void:
 		last_value = 0
 
+
 	func filter(value: float, alpha: float) -> float:
 		var result := alpha * value + (1 - alpha) * last_value
 		last_value = result

audio/rhythm_game/objects/guide/guide.gd

@@ -4,9 +4,9 @@ var _guide_tween: Tween
 
 
 func _process(_delta: float) -> void:
-	if Input.is_action_just_pressed("main_key"):
+	if Input.is_action_just_pressed(&"main_key"):
 		scale = 1.2 * Vector2.ONE
 		if _guide_tween:
 			_guide_tween.kill()
 		_guide_tween = create_tween().set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_CUBIC)
-		_guide_tween.tween_property(self, "scale", Vector2.ONE, 0.2)
+		_guide_tween.tween_property(self, ^"scale", Vector2.ONE, 0.2)

audio/rhythm_game/objects/note/note.gd

@@ -42,8 +42,8 @@ func hit_perfect() -> void:
 	var tween := create_tween()
 	tween.set_ease(Tween.EASE_OUT)
 	tween.set_trans(Tween.TRANS_QUAD)
-	tween.parallel().tween_property(self, "modulate:a", 0, 0.2)
-	tween.parallel().tween_property($Sprite2D, "scale", 1.5 * Vector2.ONE, 0.2)
+	tween.parallel().tween_property(self, ^"modulate:a", 0, 0.2)
+	tween.parallel().tween_property($Sprite2D, ^"scale", 1.5 * Vector2.ONE, 0.2)
 	tween.tween_callback(queue_free)
 
 
@@ -55,8 +55,8 @@ func hit_good() -> void:
 	var tween := create_tween()
 	tween.set_ease(Tween.EASE_OUT)
 	tween.set_trans(Tween.TRANS_QUAD)
-	tween.parallel().tween_property(self, "modulate:a", 0, 0.2)
-	tween.parallel().tween_property($Sprite2D, "scale", 1.2 * Vector2.ONE, 0.2)
+	tween.parallel().tween_property(self, ^"modulate:a", 0, 0.2)
+	tween.parallel().tween_property($Sprite2D, ^"scale", 1.2 * Vector2.ONE, 0.2)
 	tween.tween_callback(queue_free)
 
 
@@ -66,7 +66,7 @@ func miss(stop_movement: bool = true) -> void:
 	modulate = Color.DARK_RED
 
 	var tween := create_tween()
-	tween.parallel().tween_property(self, "modulate:a", 0, 0.5)
+	tween.parallel().tween_property(self, ^"modulate:a", 0, 0.5)
 	tween.tween_callback(queue_free)
 
 

audio/rhythm_game/scenes/main/main.gd

@@ -41,7 +41,7 @@ func _ready() -> void:
 
 
 func _process(_delta: float) -> void:
-	if Input.is_action_just_pressed("restart"):
+	if Input.is_action_just_pressed(&"restart"):
 		get_tree().reload_current_scene()
 	$Control/ErrorGraphVBox/CenterContainer/TimeGraph.queue_redraw()
 
@@ -112,8 +112,8 @@ func _on_note_hit(beat: float, hit_type: Enums.HitType, hit_error: float) -> voi
 		_judgment_tween.kill()
 	_judgment_tween = create_tween()
 	_judgment_tween.tween_interval(0.2)
-	_judgment_tween.tween_property($Control/JudgmentHBox/LJudgmentLabel, "modulate:a", 0, 0.5)
-	_judgment_tween.parallel().tween_property($Control/JudgmentHBox/RJudgmentLabel, "modulate:a", 0, 0.5)
+	_judgment_tween.tween_property($Control/JudgmentHBox/LJudgmentLabel, ^"modulate:a", 0, 0.5)
+	_judgment_tween.parallel().tween_property($Control/JudgmentHBox/RJudgmentLabel, ^"modulate:a", 0, 0.5)
 
 	_hit_data.append(NoteHitData.new(beat, hit_type, hit_error))
 	$Control/ErrorGraphVBox/CenterContainer/JudgmentsGraph.queue_redraw()

audio/rhythm_game/scenes/main/pause_handler.gd

@@ -3,6 +3,6 @@ extends Node
 
 
 func _process(_delta: float) -> void:
-	if Input.is_action_just_pressed("pause"):
+	if Input.is_action_just_pressed(&"pause"):
 		get_tree().paused = not get_tree().paused
 		$"../Control/PauseLabel".visible = get_tree().paused