TouhouGD/script/ui/hud/headbar_page.gd

extends Control

@onready var headbar_scene: PackedScene = preload("res://scene/ui/item/headbar.tscn")
@onready var camera: CameraManager = Global.camera_mgr


class HeadbarMeta:
	var pos: Vector3
	var headbar: Headbar

var headbar_map: Dictionary = {}


func _ready():
	SignalManager.character_create.connect(on_character_create)
	SignalManager.character_ui_pos_changed.connect(on_character_ui_pos_changed)
	SignalManager.character_destroy.connect(on_character_destroy)
	SignalManager.character_status_changed.connect(on_character_status_changed)
	SignalManager.character_hit_text.connect(on_character_hit_text)
	SignalManager.character_hit_damage.connect(on_character_hit_damage)
	SignalManager.character_die.connect(on_character_die)


func _process(delta):
	for k in headbar_map:
		var headbar_meta: HeadbarMeta = headbar_map[k] as HeadbarMeta
		headbar_meta.headbar.position = camera.get_screen_pos(headbar_meta.pos)


func on_character_create(id: int, type: int, pos: Vector3) -> void:
	if type != Enum.ECharacterType.Monster:
		return
	var new_headbar_meta     = HeadbarMeta.new()
	var new_headbar: Headbar = headbar_scene.instantiate() as Headbar
	new_headbar_meta.pos = pos
	new_headbar_meta.headbar = new_headbar
	new_headbar.set_debug_info_show(get_tree().debug_collisions_hint)
	add_child(new_headbar)
	on_character_ui_pos_changed(id, pos)
	headbar_map[id] = new_headbar_meta


func on_character_ui_pos_changed(id: int, pos: Vector3) -> void:
	if not id in headbar_map:
		return
	var headbar_meta     = headbar_map[id]
	var headbar: Headbar = headbar_meta.headbar as Headbar
	headbar_meta.pos = pos
	headbar.position = camera.get_screen_pos(pos)


func on_character_destroy(id: int) -> void:
	if not id in headbar_map:
		return
	var headbar_meta     = headbar_map[id]
	var headbar: Headbar = headbar_meta.headbar as Headbar
	headbar.queue_free()
	headbar_map.erase(id)


func on_character_status_changed(id: int, status_name: String, value) -> void:
	if not id in headbar_map:
		return
	var headbar_meta      = headbar_map[id]
	var headbar: Headbar  = headbar_meta.headbar as Headbar
	var func_name: String = "on_%s_changed" % status_name
	if headbar.has_method(func_name):
		headbar.call(func_name, value)


func on_character_hit_text(id: int, value: String) -> void:
	if not id in headbar_map:
		return
	var headbar_meta     = headbar_map[id]
	var headbar: Headbar = headbar_meta.headbar as Headbar
	headbar.on_hit_text(value)


func on_character_hit_damage(id: int, value: float) -> void:
	if not id in headbar_map:
		return
	var headbar_meta     = headbar_map[id]
	var headbar: Headbar = headbar_meta.headbar as Headbar
	headbar.on_hit_damage(value)


func on_character_die(id: int) -> void:
	if not id in headbar_map:
		return
	var headbar_meta     = headbar_map[id]
	var headbar: Headbar = headbar_meta.headbar as Headbar
	headbar.queue_free()
	headbar_map.erase(id)