# map_name_shower_system.gd
# 40250 官方 1:1 地图切换横幅渐显与魔塔/恶魔陵墓楼层识别系统
# 对照: uimapnameshower.py, locale_game.txt
class_name MapNameShowerSystem
extends RefCounted

enum State {
	STATE_HIDE = 0,
	STATE_FADE_IN = 1,
	STATE_SHOW = 2,
	STATE_FADE_OUT = 3
}

const MAP_NAME_IMAGES: Dictionary = {
	"metin2_map_a1": "locale/ui/mapname/a1.tga",
	"map_a2": "locale/ui/mapname/a2.tga",
	"metin2_map_a3": "locale/ui/mapname/a3.tga",
	"metin2_map_b1": "locale/ui/mapname/b1.tga",
	"map_b2": "locale/ui/mapname/b2.tga",
	"metin2_map_b3": "locale/ui/mapname/b3.tga",
	"metin2_map_c1": "locale/ui/mapname/c1.tga",
	"map_c2": "locale/ui/mapname/c2.tga",
	"metin2_map_c3": "locale/ui/mapname/c3.tga",
	"map_n_snowm_01": "locale/ui/mapname/snow1.tga",
	"metin2_map_deviltower1": "locale/ui/mapname/devil1_title.tga",
	"metin2_map_n_flame_01": "locale/ui/mapname/frame1.tga",
	"metin2_map_n_desert_01": "locale/ui/mapname/desert1.tga",
	"metin2_map_milgyo": "locale/ui/mapname/milgyo.tga",
	"metin2_map_monkeydungeon": "locale/ui/mapname/monkey1.tga",
	"metin2_map_monkeydungeon_02": "locale/ui/mapname/monkey2.tga",
	"metin2_map_monkeydungeon_03": "locale/ui/mapname/monkey3.tga",
	"metin2_map_guild_01": "locale/ui/mapname/guild1.tga",
	"metin2_map_guild_02": "locale/ui/mapname/guild2.tga",
	"metin2_map_guild_03": "locale/ui/mapname/guild3.tga",
	"metin2_map_trent": "locale/ui/mapname/trent.tga",
	"metin2_map_trent02": "locale/ui/mapname/trent02.tga",
	"metin2_map_devilsCatacomb": "locale/ui/mapname/devil_basement.tga",
	"metin2_map_spiderdungeon": "locale/ui/mapname/spider1.tga",
	"metin2_map_spiderdungeon_02": "locale/ui/mapname/spider1.tga",
	"metin2_map_spiderdungeon_03": "locale/ui/mapname/spider1.tga"
}

var current_map_name: String = ""
var current_image_path: String = ""
var current_floor_image: String = ""
var current_floor_number: int = 0

var current_x: float = 0.0
var current_y: float = 0.0

var state: State = State.STATE_HIDE
var cur_alpha: float = 0.0
var fade_start_time: float = 0.0

var pos_x: int = 0
var pos_y: int = 80

signal map_name_triggered(map_name: String, image_path: String, floor_num: int)
signal state_changed(new_state: State, alpha: float)
signal banner_hidden()

# 40250 官方通天魔塔 9 层空间识别算法
func get_devil_tower_floor(x: float, y: float) -> int:
	if x > 10000 and y > 58000 and x < 25000 and y < 72000:
		return 1
	elif x > 10000 and y > 35000 and x < 25000 and y < 50000:
		return 2
	elif x > 10000 and y > 10000 and x < 25000 and y < 25000:
		return 3
	elif x > 35000 and y > 61000 and x < 43500 and y < 70500:
		return 4
	elif x > 35000 and y > 38000 and x < 43500 and y < 48000:
		return 5
	elif x > 14000 and y > 14000 and x < 43500 and y < 24500:
		return 6
	elif x > 56000 and y > 60000 and x < 68000 and y < 73000:
		return 7
	elif x > 56000 and y > 38000 and x < 68000 and y < 49000:
		return 8
	elif x > 56000 and y > 13000 and x < 68000 and y < 23000:
		return 9
	return 0

# 40250 官方恶魔地下陵墓 7 层空间识别算法
func get_devil_catacomb_base(x: float, y: float) -> int:
	if x > 3000 and y > 4500 and x < 45000 and y < 45000:
		return 1
	elif x > 54000 and y > 3900 and x < 100000 and y < 46200:
		return 2
	elif x > 104800 and y > 3500 and x < 145500 and y < 45800:
		return 3
	elif x > 3100 and y > 54100 and x < 56400 and y < 105800:
		return 4
	elif x > 65000 and y > 54000 and x < 105000 and y < 95500:
		return 5
	elif x > 117500 and y > 57600 and x < 142000 and y < 81000:
		return 6
	elif x > 5000 and y > 104900 and x < 15000 and y < 122000:
		return 7
	return 0

func show_map_name(map_name: String, x: float, y: float, now_time: float) -> bool:
	if not MAP_NAME_IMAGES.has(map_name):
		return false

	current_map_name = map_name
	current_image_path = MAP_NAME_IMAGES[map_name]
	current_x = x
	current_y = y
	current_floor_image = ""
	current_floor_number = 0

	pos_x = 0
	pos_y = 80

	if map_name == "metin2_map_deviltower1":
		pos_x = -60
		current_floor_number = get_devil_tower_floor(x, y)
		if current_floor_number > 0:
			current_floor_image = "locale/ui/mapname/devil1_%df.tga" % current_floor_number
	elif map_name == "metin2_map_devilsCatacomb":
		pos_x = -75
		current_floor_number = get_devil_catacomb_base(x, y)
		if current_floor_number > 0:
			current_floor_image = "locale/ui/mapname/devil1_%df.tga" % current_floor_number

	cur_alpha = 0.0
	state = State.STATE_FADE_IN
	fade_start_time = now_time + 1.0

	map_name_triggered.emit(map_name, current_image_path, current_floor_number)
	state_changed.emit(state, cur_alpha)
	return true

func update_step(now_time: float) -> void:
	if state == State.STATE_HIDE:
		return

	if state == State.STATE_FADE_IN:
		if now_time >= fade_start_time:
			cur_alpha = minf(1.0, cur_alpha + 0.05)
			if cur_alpha >= 0.9:
				state = State.STATE_SHOW
				fade_start_time = now_time + 5.0
			state_changed.emit(state, cur_alpha)

	elif state == State.STATE_SHOW:
		if now_time >= fade_start_time:
			state = State.STATE_FADE_OUT
			state_changed.emit(state, cur_alpha)

	elif state == State.STATE_FADE_OUT:
		cur_alpha = maxf(0.0, cur_alpha - 0.05)
		if cur_alpha < 0.0001:
			cur_alpha = 0.0
			state = State.STATE_HIDE
			current_floor_image = ""
			state_changed.emit(state, cur_alpha)
			banner_hidden.emit()
		else:
			state_changed.emit(state, cur_alpha)

func hide_banner() -> void:
	state = State.STATE_HIDE
	cur_alpha = 0.0
	current_floor_image = ""
	state_changed.emit(state, cur_alpha)
	banner_hidden.emit()