Implement 40250 classic client port

project/ui/shop_ui.gd

@@ -18,6 +18,7 @@ var _root: Control
 var _tabbar: HBoxContainer
 var _list: VBoxContainer
 var _err: Label
+var _sell_quantity: SpinBox
 var _active_tab := 0
 
 func setup(m2client: Node, parent: Node, proto_node: Node = null, ilist: RefCounted = null) -> void:
@@ -38,19 +39,27 @@ func is_open() -> bool:
 func open() -> void:
 	_root.visible = true
 	_err.text = ""
+	_sell_quantity.value = 1
 	_active_tab = 0
 	refresh()
 
 func _close() -> void:
 	_root.visible = false
+	_err.text = ""
+	if _sell_quantity:
+		_sell_quantity.value = 1
 
 func close_and_leave() -> void:
 	client.shop_close()
 	_close()
 
-func sell(inv_cell: int, count: int = 1) -> void:
-	if is_open():
-		client.shop_sell(inv_cell, count)
+func sell(inv_cell: int, count: int = -1) -> void:
+	if not is_open() or inv_cell < 0:
+		return
+	var amount := count if count > 0 else int(_sell_quantity.value)
+	amount = clampi(amount, 1, 200)
+	if client.has_method("shop_sell") and not client.shop_sell(inv_cell, amount):
+		_on_error("SEND_FAILED")
 
 func _name_of(vnum: int) -> String:
 	if proto and proto.has_method("item"):
@@ -122,7 +131,19 @@ func _row(it: Dictionary, pos_base := 0) -> Control:
 	var buy := Button.new()
 	buy.text = "买"
 	var pos := pos_base + int(it.get("pos", 0))
-	buy.pressed.connect(func() -> void: client.shop_buy(pos, 1))
+	var stock := int(it.get("count", 0))
+	var quantity := SpinBox.new()
+	quantity.name = "Quantity"
+	quantity.min_value = 1
+	quantity.max_value = clampi(stock if stock > 0 else 200, 1, 200)
+	quantity.step = 1
+	quantity.value = 1
+	quantity.custom_minimum_size = Vector2(64, 0)
+	row.add_child(quantity)
+	buy.pressed.connect(func() -> void:
+		var amount := clampi(int(quantity.value), 1, int(quantity.max_value))
+		if not client.shop_buy(pos, amount):
+			_on_error("SEND_FAILED"))
 	row.add_child(buy)
 	return row
 
@@ -132,6 +153,11 @@ func _on_error(kind: String) -> void:
 		"SOLDOUT": "已售罄",
 		"INVENTORY_FULL": "背包已满",
 		"INVALID_POS": "位置无效",
+		"NOT_ENOUGH_ITEM": "物品数量不足",
+		"CANNOT_BUY": "当前物品不可购买",
+		"CANNOT_SELL": "当前物品不可出售",
+		"SHOP_BUSY": "商店正在处理上一笔交易",
+		"SEND_FAILED": "交易请求发送失败",
 	}
 	_err.text = str(tbl.get(kind, kind))
 
@@ -159,6 +185,20 @@ func _build(parent: Node) -> void:
 	_err.modulate = Color(1, 0.4, 0.4)
 	_err.add_theme_font_size_override("font_size", 12)
 	_root.add_child(_err)
+	var sell_hint := Label.new()
+	sell_hint.text = "出售数量（背包右键）："
+	sell_hint.position = Vector2(12, 360)
+	sell_hint.add_theme_font_size_override("font_size", 11)
+	_root.add_child(sell_hint)
+	_sell_quantity = SpinBox.new()
+	_sell_quantity.name = "SellQuantity"
+	_sell_quantity.min_value = 1
+	_sell_quantity.max_value = 200
+	_sell_quantity.value = 1
+	_sell_quantity.step = 1
+	_sell_quantity.position = Vector2(160, 356)
+	_sell_quantity.size = Vector2(70, 26)
+	_root.add_child(_sell_quantity)
 	_tabbar = HBoxContainer.new()
 	_tabbar.position = Vector2(12, 30)
 	_tabbar.add_theme_constant_override("separation", 4)