Implement 40250 classic client port

project/ui/exchange_ui.gd

@@ -16,9 +16,11 @@ var _self_box: VBoxContainer
 var _peer_box: VBoxContainer
 var _self_gold: Label
 var _peer_gold: Label
+var _status: Label
 var _accept_btn: Button
 var _gold_input: LineEdit
 var _next_display := 0
+var _offered_cells := {}
 
 func setup(m2client: Node, parent: Node, proto_node: Node = null) -> void:
 	client = m2client
@@ -31,9 +33,29 @@ func is_open() -> bool:
 	return _root != null and _root.visible
 
 func offer(inv_window: int, inv_cell: int) -> void:
-	if is_open():
-		client.exchange_add_item(inv_window, inv_cell, _next_display)
+	if not is_open() or inv_window < 0 or inv_cell < 0:
+		return
+	var key := "%d:%d" % [inv_window, inv_cell]
+	if _offered_cells.has(key):
+		_status.text = "该物品已经放入交易"
+		return
+	var x: Dictionary = client.get_exchange()
+	var used := {}
+	for item in x.get("self_items", []):
+		used[int(item.get("slot", -1))] = true
+	for i in 12:
+		if not used.has(i):
+			_next_display = i
+			break
+	if used.size() >= 12:
+		_status.text = "交易物品栏已满"
+		return
+	if client.exchange_add_item(inv_window, inv_cell, _next_display):
+		_offered_cells[key] = true
 		_next_display = (_next_display + 1) % 12
+		_status.text = ""
+	else:
+		_status.text = "交易请求发送失败"
 
 func _name_of(vnum: int) -> String:
 	if proto and proto.has_method("item"):
@@ -50,6 +72,9 @@ func refresh() -> void:
 	if not x.get("active", false):
 		_root.visible = false
 		_next_display = 0
+		_offered_cells.clear()
+		_gold_input.text = ""
+		_status.text = ""
 		return
 	_root.visible = true
 	_fill(_self_box, x.get("self_items", []))
@@ -61,6 +86,7 @@ func refresh() -> void:
 	_accept_btn.text = "已接受 ✓" if me else "接受"
 	_accept_btn.modulate = Color(0.5, 1, 0.5) if me else Color(1, 1, 1)
 	_root.get_node("PeerAccept").text = "对方: 已接受" if peer else "对方: 未接受"
+	_status.text = ""
 
 func _fill(box: VBoxContainer, rows: Array) -> void:
 	for c in box.get_children():
@@ -72,9 +98,19 @@ func _fill(box: VBoxContainer, rows: Array) -> void:
 		box.add_child(l)
 
 func _on_put_gold() -> void:
-	var g := int(_gold_input.text)
-	if g > 0:
-		client.exchange_add_gold(g)
+	var raw := _gold_input.text.strip_edges()
+	if raw == "" or not raw.is_valid_int():
+		_status.text = "请输入有效金币数量"
+		return
+	var g := int(raw)
+	if g <= 0 or g > 2000000000:
+		_status.text = "金币数量必须在 1～2000000000 之间"
+		return
+	if client.exchange_add_gold(g):
+		_gold_input.text = ""
+		_status.text = ""
+	else:
+		_status.text = "金币请求发送失败"
 
 func _build(parent: Node) -> void:
 	_root = Control.new()
@@ -121,6 +157,11 @@ func _build(parent: Node) -> void:
 	_peer_gold.text = "金币: 0"
 	_peer_gold.position = Vector2(240, 250)
 	_root.add_child(_peer_gold)
+	_status = Label.new()
+	_status.position = Vector2(20, 276)
+	_status.add_theme_font_size_override("font_size", 11)
+	_status.add_theme_color_override("font_color", Color(1, 0.65, 0.55))
+	_root.add_child(_status)
 
 	var pa := Label.new()
 	pa.name = "PeerAccept"
@@ -130,7 +171,7 @@ func _build(parent: Node) -> void:
 	_root.add_child(pa)
 
 	var bottom := HBoxContainer.new()
-	bottom.position = Vector2(20, 300)
+	bottom.position = Vector2(20, 310)
 	_root.add_child(bottom)
 	_gold_input = LineEdit.new()
 	_gold_input.placeholder_text = "金币"