first commit

Scripts/PropAudioPlayer.gd

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+extends Node3D
+
+@export_category("ceiling/floor to play audio")
+@export var impulse_force_ceiling_for_prop_impact_play: float = 1200.0
+@export_range (0.0, 1.0) var attenuation_percent_threshold_to_play: float = 0.2
+
+@export_category("sounds to use")
+@export var prop_sounds: Array[AudioStreamWAV]
+@export var scrape_sound: AudioStreamWAV
+
+@export_category("system")
+@export var helper_script: GDScript
+
+#set to 99999 to mute prop audio
+const AUDIO_START_TIMEOUT = 0.75
+const PROP_PLAY_TIMEOUT = 0.15
+const VELOCITY_CEILING_FOR_SCRAPE_PLAY = 10.0
+const SCRAPE_PLAY_TIMEOUT = 0.15
+
+var prop_sounds_loaded = []
+
+var on_cooldown = false
+var scraping_on_cooldown = false
+var audio_lock = true
+
+@onready var parent_with_helper = $"../"
+@onready var phys_sound_player = $"Prop"
+@onready var scrape_sound_player = $"Scrape"
+
+func _ready():
+	parent_with_helper.set_script(load(helper_script.resource_path))
+	for resource in prop_sounds:
+		prop_sounds_loaded.append(load(resource.resource_path))
+	scrape_sound_player.stream = load(scrape_sound.resource_path)
+	scrape_sound_player.play()
+	await get_tree().create_timer(AUDIO_START_TIMEOUT).timeout
+	audio_lock = false
+
+func _process(delta):
+	pass
+
+func recieve_physics_process(delta):
+	if audio_lock:
+		return
+	
+	var scrape_attenuation
+	
+	if parent_with_helper.get_contact_count() > 0:
+		scrape_attenuation = parent_with_helper.linear_velocity.length()/VELOCITY_CEILING_FOR_SCRAPE_PLAY
+		scrape_attenuation = clamp(scrape_attenuation, 0.0, 1.0)
+	else:
+		scrape_attenuation = 0.0
+	
+	set_scraping_pause(scrape_attenuation)
+
+func set_scraping_pause(attenuation):
+	if scraping_on_cooldown:
+		return
+	
+	#the scraping sound needs to fade in and out?
+	scraping_on_cooldown = true
+	scrape_sound_player.volume_db = lerp(-80.0, 0.0, ease_out_circ(attenuation))
+	await get_tree().create_timer(SCRAPE_PLAY_TIMEOUT).timeout
+	scraping_on_cooldown = false
+
+func recieve_integrate_forces(state):
+	if audio_lock:
+		return
+	if on_cooldown:
+		return
+		
+	var strongest_contact_impulse = 0.0
+	for index in state.get_contact_count():
+		if state.get_contact_impulse(index).length() > strongest_contact_impulse:
+			strongest_contact_impulse = state.get_contact_impulse(index).length()
+	
+	var loud_scale = strongest_contact_impulse/(impulse_force_ceiling_for_prop_impact_play * state.step)
+	loud_scale = clamp(loud_scale, 0.0, 1.0)
+	
+	if loud_scale > attenuation_percent_threshold_to_play:
+		on_cooldown = true
+		phys_sound_player.stream = prop_sounds_loaded.pick_random()
+		phys_sound_player.volume_db = lerp(-80.0, 0.0, ease_out_circ(loud_scale))
+		phys_sound_player.play()
+		await get_tree().create_timer(PROP_PLAY_TIMEOUT).timeout
+		on_cooldown = false
+
+func ease_out_circ(lerp: float) -> float:
+	return sqrt(1.0 - pow(lerp - 1.0, 2.0))