mtgodot-poc/project/ui/mall_ui.gd

# MallUI (첫 버전) —— 道具商城仓库窗（창고몰 / item-mall storage）。
#
#   var mu := preload("res://ui/mall_ui.gd").new()
#   add_child(mu)
#   mu.setup(m2client, canvas_parent, proto)   # proto 可空
#
# `mall_opened` → 显示；`mall_changed` → 刷新。列出商城道具 + [取出]（放进背包第一个空格）。
extends Node

var client: Node
var proto: Node
var _root: Control
var _list: VBoxContainer
var _title: Label
var _status: Label
var _password_dialog: ConfirmationDialog

func setup(m2client: Node, parent: Node, proto_node: Node = null) -> void:
	client = m2client
	proto = proto_node
	_build(parent)
	if client.has_signal("mall_opened"):
		client.mall_opened.connect(func(_s): refresh())
	if client.has_signal("mall_changed"):
		client.mall_changed.connect(refresh)
	if client.has_signal("mall_password_required"):
		client.mall_password_required.connect(_ask_password)

func is_open() -> bool:
	return _root != null and _root.visible

func close() -> void:
	if _root:
		_root.visible = false
	if is_instance_valid(_password_dialog):
		_password_dialog.queue_free()
		_password_dialog = null

func _name_of(vnum: int) -> String:
	if proto and proto.has_method("item"):
		var d: Dictionary = proto.item(vnum)
		var n := String(d.get("locale_name", d.get("name", "")))
		if n != "":
			return n
	return "#%d" % vnum

func _first_free_inv() -> int:
	var used := {}
	for it in client.get_inventory():
		used[int(it.get("cell", -1))] = true
	for i in range(90):
		if not used.has(i):
			return i
	return -1

func refresh() -> void:
	if client == null or _root == null:
		return
	_root.visible = client.is_mall_open()
	if not _root.visible:
		return
	_status.text = ""
	_title.text = "道具商城仓库（%d 格）" % client.get_mall_size()
	for c in _list.get_children():
		c.queue_free()
	var items: Array = client.get_mall_items()
	if items.is_empty():
		var e := Label.new()
		e.text = "（空）"
		_list.add_child(e)
		return
	for it in items:
		_list.add_child(_row(it))

func _ask_password() -> void:
	if is_instance_valid(_password_dialog):
		_password_dialog.queue_free()
	_password_dialog = ConfirmationDialog.new()
	_password_dialog.title = "商城密码"
	_password_dialog.dialog_text = "请输入 1～6 位密码"
	_password_dialog.ok_button_text = "确认"
	_password_dialog.cancel_button_text = "取消"
	var edit := LineEdit.new()
	edit.secret = true
	edit.max_length = 6
	edit.placeholder_text = "密码"
	edit.custom_minimum_size = Vector2(220, 28)
	_password_dialog.add_child(edit)
	_password_dialog.confirmed.connect(func() -> void:
		if not client.mall_password(edit.text) and is_instance_valid(_status):
			_status.text = "密码格式无效"
		_password_dialog.queue_free()
		_password_dialog = null)
	_password_dialog.canceled.connect(func() -> void:
		_password_dialog.queue_free()
		_password_dialog = null)
	_root.get_parent().add_child(_password_dialog)
	_password_dialog.popup_centered()

func _row(it: Dictionary) -> Control:
	var row := HBoxContainer.new()
	row.custom_minimum_size = Vector2(300, 0)
	var nm := Label.new()
	nm.text = "%s ×%d" % [_name_of(int(it.get("vnum", 0))), int(it.get("count", 1))]
	nm.custom_minimum_size = Vector2(220, 0)
	nm.add_theme_font_size_override("font_size", 12)
	row.add_child(nm)
	var out := Button.new()
	out.text = "取出"
	var cell := int(it.get("cell", 0))
	out.pressed.connect(func() -> void:
		var target := _first_free_inv()
		if target < 0:
			_status.text = "背包已满"
			return
		if not client.mall_checkout(cell, 1, target):
			_status.text = "取出请求发送失败")
	row.add_child(out)
	return row

func _build(parent: Node) -> void:
	_root = Panel.new()
	_root.set_anchors_preset(Control.PRESET_CENTER)
	_root.position = Vector2(140, -180)
	_root.custom_minimum_size = Vector2(340, 360)
	_root.size = Vector2(340, 360)
	_root.visible = false
	parent.add_child(_root)
	var box := VBoxContainer.new()
	box.position = Vector2(16, 14)
	box.custom_minimum_size = Vector2(308, 0)
	box.add_theme_constant_override("separation", 6)
	_root.add_child(box)
	_title = Label.new()
	_title.text = "道具商城仓库"
	_title.add_theme_font_size_override("font_size", 16)
	box.add_child(_title)
	_status = Label.new()
	_status.add_theme_font_size_override("font_size", 11)
	_status.add_theme_color_override("font_color", Color(1, 0.65, 0.55))
	box.add_child(_status)
	var sc := ScrollContainer.new()
	sc.custom_minimum_size = Vector2(308, 280)
	box.add_child(sc)
	_list = VBoxContainer.new()
	_list.add_theme_constant_override("separation", 4)
	sc.add_child(_list)
	var close := Button.new()
	close.text = "关闭"
	close.pressed.connect(func() -> void: _root.visible = false)
	box.add_child(close)