83 lines
2.0 KiB
GDScript
83 lines
2.0 KiB
GDScript
@tool
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class_name Sfx2D extends AudioStreamPlayer2D
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const sfx_root_path = "res://asset/audio/sfx/"
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@export_enum("child", "ghost", "lvping", "ui", "c01", "c02") var dir := "ui":
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set(value):
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dir = value
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if Engine.is_editor_hint():
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_update_files()
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var file: String
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var current_files := PackedStringArray()
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func _ready() -> void:
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bus = &"game_sfx"
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# TODO 暂时停用其额外效果
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# # 仅在编辑器模式下加载音频 stream
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# if Engine.is_editor_hint():
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# _update_files()
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# _reload_sfx()
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# notify_property_list_changed()
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func _reload_sfx():
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var path = sfx_root_path + dir + "/" + file
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if file and dir and FileAccess.file_exists(path):
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stream = load(sfx_root_path + dir + "/" + file) as AudioStream
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if stream:
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print("sfx2d [", name, "] stream=", stream.resource_path)
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else:
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print("sfx2d [", name, "] stream is null")
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func _update_files():
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current_files.clear()
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if not dir:
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return
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var dir_access := DirAccess.open(sfx_root_path + dir) as DirAccess
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if not dir_access:
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push_warning("sfx2d dir_access is null for ", sfx_root_path + dir)
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return
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for f in dir_access.get_files():
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if f.ends_with(".wav") or f.ends_with(".ogg") or f.ends_with(".mp3"):
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current_files.push_back(f)
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func _get_property_list():
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return [
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{
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"name": &"file",
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"type": TYPE_STRING,
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"hint": PROPERTY_HINT_ENUM_SUGGESTION,
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"hint_string": ",".join(current_files),
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}
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]
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func _get(property: StringName) -> Variant:
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if property == &"file":
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return file
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return null
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func _set(property: StringName, value: Variant) -> bool:
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if property == &"file":
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file = value
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_reload_sfx()
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# notify_property_list_changed()
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return true
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return false
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# queue free 导致 sfx 无法播放，使用全局声源
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func global_play() -> void:
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if stream:
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AudioManager.play_sfx(stream)
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# 注意：会导致 volume db 变化
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func easing_kill(duration: float = 2.0) -> void:
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# stop with easing
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if playing:
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var tween = create_tween()
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tween.tween_property(self, "volume_db", -80.0, duration)
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tween.tween_callback(stop) |