added sounds to ui and game, prepared interaction with character

globals/sound_manager.gd

@@ -0,0 +1,39 @@
+extends Node
+
+@export var music: Array[SoundFile]
+@export var sfx: Array[SoundFile]
+const FALLBACK: AudioStream = preload("res://assets/sounds/sfx/fallback.wav")
+
+@onready var background_music_player: AudioStreamPlayer = %BackgroundMusicPlayer
+var current_background_music: SoundFile = null
+
+func play_background_music(resource_name: String) -> void:
+		var sound_file: SoundFile = get_sound_file_resource(resource_name, music)
+
+		background_music_player.stream = sound_file.file
+		background_music_player.play()
+		current_background_music = sound_file
+
+func play_sound_effect(resource_name: String, p_bus: String = "SFX") -> void:
+	var sound_file: SoundFile = get_sound_file_resource(resource_name, sfx)
+
+	# Create a new unlocalized sound effect
+	var sfx_player: AudioStreamPlayer = AudioStreamPlayer.new()
+	sfx_player.bus = p_bus
+	sfx_player.stream = sound_file.file
+	sfx_player.finished.connect(sfx_player.queue_free)
+
+	self.add_child(sfx_player)
+	sfx_player.play()
+
+func get_sound_file_resource(_name: String, array: Array) -> Variant:
+	for sound_file: SoundFile in array:
+		if sound_file.name == _name:
+			return sound_file
+
+	# No sound file with the specified name could be found. Oops!
+	push_warning("No Sound effect named \"%s\" could be found." % _name)
+	var oops: SoundFile = SoundFile.new()
+	oops.file = FALLBACK
+
+	return oops