# motion_splash_test —— 40250 CActorInstance::SSplashArea / __SplashAttackProcess
# 的几何、生命周期、命中去重和命中上限回归。
extends SceneTree

const MotionSplash = preload("res://motion_splash.gd")

var _fail := 0

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

func _near(a: Vector3, b: Vector3, eps := 0.01) -> bool:
	return a.distance_to(b) <= eps

func _init() -> void:
	_run()
	if _fail == 0:
		print("PASS: motion_splash_test (transform / lifetime / dedup / limit)")
		quit(0)
	else:
		printerr("%d check(s) failed" % _fail)
		quit(1)

func _run() -> void:
	var event := {
		"type": 4,
		"duration_time": 0.5,
		"enable_hit_process": false,
		"attack_type": 0,
		"hitting_type": 1,
		"stiffen_time": 0.1,
		"invisible_time": 0.2,
		"external_force": 30.0,
		"hit_limit_count": 1,
		"collision_spheres": [{"radius": 40.0, "pos": Vector3(100, 0, 0)}],
	}
	var area: Dictionary = MotionSplash.begin(77, 122, Vector3.ZERO, 0.0, event, 10.0)
	_ck(area.get("enable_hit_process", true) == false, "EnableHitProcess is retained")
	_ck(area.get("skill", 0) == 122, "uSkill is retained")
	_ck(area.get("spheres", []).size() == 1, "one splash sphere is created")
	# ActorInstanceMotionEvent.cpp: fRadian = 270 + 360 - GetRotation().
	# At rotation 0, source (100,0) becomes M2 (-100,0), i.e. Godot (-1,0,0).
	var sphere: Dictionary = area.spheres[0]
	_ck(_near(sphere.world_pos, Vector3(-1.0, 0.0, 0.0)),
			"reference 270-degree event-frame transform")

	var victim := [{"radius": 20.0, "pos": Vector3(-100, 0, 0), "last": Vector3(-100, 0, 0)}]
	var hit: Dictionary = MotionSplash.try_hit(area, 1001, victim, 10.1)
	_ck(bool(hit.get("hit", false)), "overlapping defending sphere hits")
	_ck(not bool(MotionSplash.try_hit(area, 1001, victim, 10.2).get("hit", false)),
			"same victim is deduplicated for the splash lifetime")
	var second_victim := [{"radius": 20.0, "pos": Vector3(-100, 0, 0), "last": Vector3(-100, 0, 0)}]
	_ck(not bool(MotionSplash.try_hit(area, 1002, second_victim, 10.3).get("hit", false)),
			"HitLimitCount rejects the next victim after the cap")
	_ck(MotionSplash.is_active(area, 10.49), "splash remains active during DuringTime")
	_ck(not MotionSplash.is_active(area, 10.5), "splash expires at DuringTime")
	_ck(not bool(MotionSplash.try_hit(area, 1003, victim, 10.6).get("hit", false)),
			"expired splash cannot hit")