Optimize PortMaster low-memory profile

world/rain_ambience.gd

@@ -12,10 +12,24 @@ const SILENT_VOLUME_DB: float = -60.0
 var _weather_service: WorldWeatherService
 var _fade_tween: Tween
 var _is_active: bool = false
+var _audio_enabled: bool = false
 
 
 func _ready() -> void:
 	bus = &"Environment"
+	volume_db = SILENT_VOLUME_DB
+
+
+func set_audio_enabled(enabled: bool) -> void:
+	if _audio_enabled == enabled:
+		return
+	_audio_enabled = enabled
+	if not _audio_enabled:
+		_silence_immediately()
+		stream = null
+		return
+	if not ResourceLoader.exists(RAIN_STREAM_PATH, "AudioStreamOggVorbis"):
+		return
 	var rain_stream := load(RAIN_STREAM_PATH) as AudioStreamOggVorbis
 	var runtime_stream := (
 		rain_stream.duplicate() as AudioStreamOggVorbis
@@ -25,7 +39,10 @@ func _ready() -> void:
 	if runtime_stream != null:
 		runtime_stream.loop = true
 		stream = runtime_stream
-	volume_db = SILENT_VOLUME_DB
+	if _is_active:
+		_transition_to_rain(
+			_weather_service != null and _weather_service.is_raining()
+		)
 
 
 func configure(weather_service: WorldWeatherService) -> void:
@@ -53,6 +70,8 @@ func set_active(active: bool) -> void:
 	if not active:
 		_silence_immediately()
 		return
+	if not _audio_enabled:
+		return
 	_transition_to_rain(
 		_weather_service != null and _weather_service.is_raining()
 	)
@@ -66,7 +85,7 @@ func _on_weather_changed(
 
 
 func _transition_to_rain(is_raining: bool) -> void:
-	if not _is_active:
+	if not _is_active or not _audio_enabled:
 		return
 	_stop_fade()
 	if is_raining:

world/shoreline_ambience.gd

@@ -1,6 +1,8 @@
 class_name ShorelineAmbience
 extends Node
 
+const WAVES_STREAM_PATH: String = "res://audio/ambience/waves.wav"
+
 @export_range(0.0, 20.0, 0.1) var near_distance: float = 2.0
 @export_range(1.0, 100.0, 0.5) var far_distance: float = 24.0
 @export_range(-40.0, 12.0, 0.5) var near_volume_db: float = 1.0
@@ -15,15 +17,37 @@ var _shoreline_segments: Array[PackedVector2Array] = []
 var _distance_update_remaining: float = 0.0
 var _target_volume_db: float = -80.0
 var _is_active := false
+var _audio_enabled: bool = false
 
 
 func _ready() -> void:
 	_waves_audio.bus = &"Environment"
-	_configure_audio_loop(_waves_audio.stream)
+	_waves_audio.stream = null
 	_waves_audio.volume_db = -80.0
 	set_process(false)
 
 
+func set_audio_enabled(enabled: bool) -> void:
+	if _audio_enabled == enabled:
+		return
+	_audio_enabled = enabled
+	if not _audio_enabled:
+		_waves_audio.stop()
+		_waves_audio.stream = null
+		set_process(false)
+		return
+	if not ResourceLoader.exists(WAVES_STREAM_PATH, "AudioStream"):
+		return
+	_waves_audio.stream = load(WAVES_STREAM_PATH) as AudioStream
+	_configure_audio_loop(_waves_audio.stream)
+	if _is_active:
+		set_process(true)
+		_update_target_volume()
+		_waves_audio.volume_db = _target_volume_db
+		if _waves_audio.stream != null:
+			_waves_audio.play()
+
+
 func configure(listener: Node3D, shoreline_mesh: MeshInstance3D) -> void:
 	_listener = listener
 	_shoreline_segments = _extract_shoreline_segments(shoreline_mesh)
@@ -34,8 +58,10 @@ func configure(listener: Node3D, shoreline_mesh: MeshInstance3D) -> void:
 
 func set_active(active: bool) -> void:
 	_is_active = active
-	set_process(active)
+	set_process(active and _audio_enabled)
 	if active:
+		if not _audio_enabled:
+			return
 		_distance_update_remaining = 0.0
 		_update_target_volume()
 		_waves_audio.volume_db = _target_volume_db

world/world_time_visual_controller.gd

@@ -12,8 +12,8 @@ const RAIN_VISIBILITY_AABB := AABB(
 	Vector3(27.0, 12.0, 27.0),
 )
 const RAIN_PARTICLE_AMOUNT: int = 2240
-const LIGHT_RAIN_PARTICLE_AMOUNT: int = 128
-const LIGHT_RAIN_FIXED_FPS: int = 12
+const LIGHT_RAIN_PARTICLE_AMOUNT: int = 48
+const LIGHT_RAIN_FIXED_FPS: int = 8
 const RAIN_VELOCITY_MIN: float = 16.0
 const RAIN_VELOCITY_MAX: float = 20.0
 const RAIN_DROP_SIZE := Vector3(0.014, 0.34, 0.014)