# fishing_water_test —— ClientVS22 GetFishingRot / ATTRIBUTE_WATER 回归。
#   godot --headless --path project --script fishing_water_test.gd
extends SceneTree

var _fail := 0

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

func _init() -> void:
	if not ClassDB.class_exists("Metin2World"):
		printerr("FAIL: Metin2World extension is not registered")
		quit(1)
		return
	var world: Node = ClassDB.instantiate("Metin2World")
	world.set("auto_load", false)
	world.set("assets_root", AssetRoot.path())
	world.set("map_path", "OutdoorA1/metin2_map_a1")
	world.set("focus_tile", Vector2i(0, 0))
	# A1(4x5) 的水面不保证位于 focus_tile=(0,0)，加载完整地图后
	# 自动寻找 ATTRIBUTE_WATER 样本，测试不绑定某个无水区块。
	world.set("load_radius_tiles", -1)
	world.set("splat_enabled", false)
	world.set("objects_enabled", false)
	world.set("env_enabled", false)
	world.set("water_enabled", true)
	get_root().add_child(world)
	_ck(bool(world.call("load_map")), "A1 map loads for water probe")

	var water := Vector3(-1.0, 0.0, -1.0)
	for z in range(5 * 256):
		for x in range(4 * 256):
			if (int(world.call("sample_attribute", float(x) + 0.5, float(z) + 0.5)) & 2) != 0:
				water = Vector3(float(x) + 0.5, 0.0, float(z) + 0.5)
				break
		if water.x >= 0.0:
			break
	_ck(water.x >= 0.0, "A1 has an ATTRIBUTE_WATER sample in loaded chunk")
	if water.x >= 0.0:
		# The POC MapCoord frame maps heading 270 to world +Z. Put the
		# player 600cm behind the sample and require the zero-offset probe
		# to resolve a valid fishing heading.
		var player := Vector3(water.x, 0.0, water.z - 6.0)
		var resolved := float(world.call("get_fishing_rotation", player.x, player.z, 270.0))
		_ck(resolved >= 0.0 and resolved < 360.0,
				"GetFishingRot resolves a heading over water, got %f" % resolved)
		var can := bool(world.call("can_fishing_position", player.x, player.z, 270.0))
		_ck(can, "can_fishing_position agrees with GetFishingRot")
	var outside := float(world.call("get_fishing_rotation", -50.0, -50.0, 0.0))
	_ck(outside < 0.0, "map-outside water probe rejects")
	world.queue_free()
	await process_frame
	if _fail == 0:
		print("PASS: fishing_water_test (GetFishingRot + ATTRIBUTE_WATER)")
		quit(0)
	else:
		printerr("%d check(s) failed" % _fail)
		quit(1)