# audio_miles_test —— MilesLib SoundManager 对齐回归。
# 验证 40250 的缩放、音量曲线和角色音效限频/距离规则。
extends SceneTree

const Audio = preload("res://audio.gd")

var _fail := 0

func _ck(condition: bool, message: String) -> void:
	if not condition:
		_fail += 1
		printerr("FAIL: " + message)

func _init() -> void:
	var audio := Audio.new()
	get_root().add_child(audio)

	_ck(is_equal_approx(Audio.SOUND_SCALE, 200.0), "sound scale is 200")
	_ck(is_equal_approx(Audio.AMBIENCE_SOUND_SCALE, 1000.0), "ambience scale is 1000")
	_ck(is_equal_approx(Audio.ratio_to_apply_volume(0.05), 0.05), "low ratio stays linear")
	_ck(is_equal_approx(Audio.ratio_to_apply_volume(0.5), pow(10.0, -0.5)),
			"ratio volume uses ClientVS22 logarithmic curve")
	_ck(is_equal_approx(Audio.grade_to_apply_volume(5), 1.0), "grade 5 maps to full volume")
	_ck(is_equal_approx(Audio.grade_to_apply_volume(0), 0.0), "grade 0 maps to silence")

	audio.set_sound_scale(320.0)
	audio.set_ambience_sound_scale(1200.0)
	_ck(is_equal_approx(audio.get_sound_scale(), 320.0), "sound scale setter")
	_ck(is_equal_approx(audio.get_ambience_sound_scale(), 1200.0), "ambience scale setter")
	audio.set_listener(Vector3.ZERO, Vector3(0, 0, -1), Vector3.UP)
	var assets := AssetRoot.path()
	if DirAccess.dir_exists_absolute(assets):
		audio.setup(assets)
		var mss := assets.path_join("sound_m/sound/pc/warrior/general/run.mss")
		if FileAccess.file_exists(mss):
			var data: Array = audio.load_sound_information_piece(mss)
			_ck(data.size() == 3, ".mss SoundDataCount and records parse")
			_ck(is_equal_approx(float(data[0]["time"]), 0.759), ".mss preserves event time")
			_ck(String(data[0]["sound"]) == "sound/common/walk_dirt_n.wav",
					".mss preserves virtual sound path")
			var instances: Array = audio.data_to_sound_instances(data)
			_ck(int(instances[0]["frame"]) == 45 and int(instances[2]["frame"]) == 11,
					".mss time converts to DWORD 60 FPS frames")
			_ck(audio._find_sound(String(data[0]["sound"])) != "",
					"virtual sound/ prefix resolves inside mounted sound root")
			var motion := assets.path_join("PC/ymir work/pc/warrior/general/run.msa")
			var motion_instances: Array = audio.load_mss_for_motion(motion)
			_ck(motion_instances.size() == 3, "motion .msa resolves paired .mss")
		var ambience := [{
			"key": "waterfall-test",
			"position": Vector3(20, 0, 0),
			"range_cm": 3300,
			"max_volume_area_percentage": 0.5,
			"play_type": "LOOP",
			"sounds": ["sound/ambience/warp_test.mp3"],
		}]
		audio.update_ambience_sources(ambience)
		var ambience_state: Dictionary = audio._ambience_states.get("waterfall-test", {})
		var ambience_id := int(ambience_state.get("id", -1))
		_ck(ambience_id >= 0 and audio._active_3d.has(ambience_id),
				"area ambience LOOP creates a Miles 3D instance")
		if ambience_id >= 0 and audio._active_3d.has(ambience_id):
			var ambience_player: AudioStreamPlayer3D = audio._active_3d[ambience_id]
			_ck(abs(ambience_player.position.x - (20.0 * 100.0 / 1200.0)) < 0.001,
					"ambience source uses cm -> ambience scale conversion")
		audio.update_ambience_sources([])
		_ck(not audio._ambience_states.has("waterfall-test") and not audio._active_3d.has(ambience_id),
				"leaving / unloading area ambience stops its loop")
	_ck(audio.can_play_character_sound("step.wav", Vector3(1, 0, 0), 10.0),
			"near character sound is allowed")
	_ck(not audio.can_play_character_sound("step.wav", Vector3(1, 0, 0), 10.2),
			"same character sound is suppressed within 0.3 seconds")
	_ck(audio.can_play_character_sound("step.wav", Vector3(1, 0, 0), 10.31),
			"same character sound resumes after 0.3 seconds")
	_ck(not audio.can_play_character_sound("far.wav", Vector3(51, 0, 0), 20.0),
			"character sound beyond 5000cm is suppressed")

	audio.set_sound_volume(0.0)
	_ck(is_equal_approx(audio.master_sfx, 0.0), "sound volume setter accepts silence")
	audio.stop_all_sound_3d()
	audio.free()

	if _fail == 0:
		print("PASS: audio_miles_test (scale + volume curve + character sound guard)")
		quit(0)
	else:
		printerr("%d check(s) failed" % _fail)
		quit(1)