133 lines
3.6 KiB
GDScript
133 lines
3.6 KiB
GDScript
extends Node
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const SETTINGS_PATH := "user://settings.cfg"
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const SETTINGS_SECTION := "audio"
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const SETTINGS_KEY := "ui_sounds_enabled"
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const PLAYER_COUNT := 8
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const DEFAULT_VOLUME_DB := -12.0
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const SOUND_PATHS := {
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"click": "res://assets/audio/kenney_interface_sounds/click_003.ogg",
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"select": "res://assets/audio/kenney_interface_sounds/select_003.ogg",
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"toggle": "res://assets/audio/kenney_interface_sounds/toggle_002.ogg",
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"eliminate": "res://assets/audio/kenney_interface_sounds/scratch_002.ogg",
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"open": "res://assets/audio/kenney_interface_sounds/open_001.ogg",
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"close": "res://assets/audio/kenney_interface_sounds/close_002.ogg",
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"correct": "res://assets/audio/kenney_interface_sounds/confirmation_002.ogg",
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"error": "res://assets/audio/kenney_interface_sounds/error_004.ogg",
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"back": "res://assets/audio/kenney_interface_sounds/back_002.ogg",
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"question": "res://assets/audio/kenney_interface_sounds/question_001.ogg"
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}
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var sounds := {}
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var players: Array[AudioStreamPlayer] = []
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var sounds_enabled := true
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var next_player_index := 0
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func _ready() -> void:
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_load_setting()
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_load_sounds()
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_build_player_pool()
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get_tree().node_added.connect(_on_node_added)
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call_deferred("_wire_existing_buttons")
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func play_sound(sound_name: String) -> void:
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if not sounds_enabled or not sounds.has(sound_name) or players.is_empty():
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return
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var player := _next_available_player()
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player.stream = sounds[sound_name]
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player.play()
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func set_sounds_enabled(is_enabled: bool) -> void:
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if sounds_enabled == is_enabled:
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return
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sounds_enabled = is_enabled
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if not sounds_enabled:
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for player in players:
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player.stop()
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_save_setting()
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if sounds_enabled:
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play_sound("toggle")
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func are_sounds_enabled() -> bool:
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return sounds_enabled
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func set_button_sound(button: Button, sound_name: String) -> void:
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button.set_meta("ui_sound", sound_name)
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_wire_button(button)
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func _load_sounds() -> void:
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for sound_name in SOUND_PATHS:
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var stream := load(str(SOUND_PATHS[sound_name])) as AudioStream
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if stream != null:
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sounds[sound_name] = stream
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else:
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push_warning("Unable to load UI sound: %s" % SOUND_PATHS[sound_name])
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func _build_player_pool() -> void:
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for _player_index in range(PLAYER_COUNT):
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var player := AudioStreamPlayer.new()
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player.volume_db = DEFAULT_VOLUME_DB
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add_child(player)
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players.append(player)
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func _next_available_player() -> AudioStreamPlayer:
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for player in players:
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if not player.playing:
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return player
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var player := players[next_player_index]
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next_player_index = (next_player_index + 1) % players.size()
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return player
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func _on_node_added(node: Node) -> void:
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call_deferred("_wire_node", node)
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func _wire_existing_buttons() -> void:
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_wire_node(get_tree().root)
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func _wire_node(node: Node) -> void:
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if not is_instance_valid(node):
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return
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if node is Button:
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_wire_button(node)
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for child in node.get_children():
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_wire_node(child)
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func _wire_button(button: Button) -> void:
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if button.has_meta("ui_sound_wired"):
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return
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button.set_meta("ui_sound_wired", true)
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button.pressed.connect(_on_button_pressed.bind(button))
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func _on_button_pressed(button: Button) -> void:
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var sound_name := str(button.get_meta("ui_sound", "click"))
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if sound_name != "none":
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play_sound(sound_name)
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func _load_setting() -> void:
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var config := ConfigFile.new()
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if config.load(SETTINGS_PATH) == OK:
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sounds_enabled = bool(config.get_value(SETTINGS_SECTION, SETTINGS_KEY, true))
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func _save_setting() -> void:
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var config := ConfigFile.new()
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config.load(SETTINGS_PATH)
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config.set_value(SETTINGS_SECTION, SETTINGS_KEY, sounds_enabled)
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var save_error := config.save(SETTINGS_PATH)
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if save_error != OK:
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push_warning("Unable to save UI sound preference.")
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