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@tool
## Event that can change the currently playing background music.
## This event won't play new music if it's already playing.
class_name DialogicMusicEvent
extends DialogicEvent
### Settings
## The file to play. If empty, the previous music will be faded out.
var file_path: String = ""
## The length of the fade. If 0 (by default) it's an instant change.
var fade_length: float = 0
## The volume the music will be played at.
var volume: float = 0
## The audio bus the music will be played at.
var audio_bus: String = ""
## If true, the audio will loop, otherwise only play once.
var loop: bool = true
################################################################################
## EXECUTE
################################################################################
func _execute() -> void:
if not dialogic.Audio.is_music_playing_resource(file_path):
dialogic.Audio.update_music(file_path, volume, audio_bus, fade_length, loop)
finish()
################################################################################
## INITIALIZE
################################################################################
func _init() -> void:
event_name = "Music"
set_default_color('Color7')
event_category = "Audio"
event_sorting_index = 2
func _get_icon() -> Resource:
return load(self.get_script().get_path().get_base_dir().path_join('icon_music.png'))
################################################################################
## SAVING/LOADING
################################################################################
func get_shortcode() -> String:
return "music"
func get_shortcode_parameters() -> Dictionary:
return {
#param_name : property_info
"path" : {"property": "file_path", "default": ""},
"fade" : {"property": "fade_length", "default": 0},
"volume" : {"property": "volume", "default": 0},
"bus" : {"property": "audio_bus", "default": "",
"suggestions": get_bus_suggestions},
"loop" : {"property": "loop", "default": true},
}
################################################################################
## EDITOR REPRESENTATION
################################################################################
func build_event_editor() -> void:
add_header_edit('file_path', ValueType.FILE, {
'left_text' : 'Play',
'file_filter' : "*.mp3, *.ogg, *.wav; Supported Audio Files",
'placeholder' : "No music",
'editor_icon' : ["AudioStreamPlayer", "EditorIcons"]})
add_body_edit('fade_length', ValueType.NUMBER, {'left_text':'Fade Time:'})
add_body_edit('volume', ValueType.NUMBER, {'left_text':'Volume:', 'mode':2}, '!file_path.is_empty()')
add_body_edit('audio_bus', ValueType.SINGLELINE_TEXT, {'left_text':'Audio Bus:'}, '!file_path.is_empty()')
add_body_edit('loop', ValueType.BOOL, {'left_text':'Loop:'}, '!file_path.is_empty() and not file_path.to_lower().ends_with(".wav")')
func get_bus_suggestions() -> Dictionary:
var bus_name_list := {}
for i in range(AudioServer.bus_count):
bus_name_list[AudioServer.get_bus_name(i)] = {'value':AudioServer.get_bus_name(i)}
return bus_name_list