first commit 🎉

scenes/interfaces/menus/boot/multiplayer/join_panel/join_panel.gd

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+# This file is part of sunder.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+class_name JoinPanel extends MarginContainer
+
+@export var join_button : Button
+@export var menu_button : Button
+@export var quit_button : Button
+@export var join_address : LineEdit
+
+var _addr:RegEx = RegEx.new()
+
+func _ready() -> void:
+	# see https://datatracker.ietf.org/doc/html/rfc1700
+	_addr.compile(r'^(?<host>(?![0-9]+$)[a-zA-Z0-9.-]+)(?::(?<port>:102[4-9]|10[3-9]\d|1[1-9]\d{2}|[2-9]\d{3}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5]))?$')
+
+## This method gets an array of validated host and port as specified in the 
+## join panel or returns an array of default values from configuration if invalid
+func get_addr() -> Array:
+	if join_address.text:
+		var result:RegExMatch = _addr.search(join_address.text)
+		if result:
+			var host:String = result.get_string("host")
+			var port:int = result.get_string("port").to_int()
+			prints("join", host, port)
+			if port == 0:
+				port = Settings.get_value("server", "port", 9000)
+			return [host, port]
+		else:
+			push_warning("join address is invalid")
+	return [ Settings.get_value("server", "host", "localhost"), Settings.get_value("server", "port", 9000) ]

scenes/interfaces/menus/boot/multiplayer/join_panel/join_panel.gd.uid

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+uid://ffilb2d365hu

scenes/interfaces/menus/boot/multiplayer/join_panel/join_panel.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://cfegls11p6wav"]
+
+[ext_resource type="Script" uid="uid://ffilb2d365hu" path="res://scenes/interfaces/menus/boot/multiplayer/join_panel/join_panel.gd" id="1_svm4h"]
+
+[node name="JoinPanel" type="MarginContainer" node_paths=PackedStringArray("join_button", "menu_button", "quit_button", "join_address")]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 3
+size_flags_vertical = 3
+theme_override_constants/margin_left = 20
+theme_override_constants/margin_top = 20
+theme_override_constants/margin_right = 20
+theme_override_constants/margin_bottom = 20
+script = ExtResource("1_svm4h")
+join_button = NodePath("HBoxContainer/LeftBox/Top/Join")
+menu_button = NodePath("HBoxContainer/LeftBox/Bottom/Menu")
+quit_button = NodePath("HBoxContainer/LeftBox/Bottom/Quit")
+join_address = NodePath("HBoxContainer/RightBox/JoinAddress")
+
+[node name="HBoxContainer" type="HBoxContainer" parent="."]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="LeftBox" type="VBoxContainer" parent="HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+size_flags_stretch_ratio = 0.25
+
+[node name="Top" type="VBoxContainer" parent="HBoxContainer/LeftBox"]
+layout_mode = 2
+size_flags_horizontal = 3
+size_flags_stretch_ratio = 0.25
+
+[node name="Join" type="Button" parent="HBoxContainer/LeftBox/Top"]
+layout_mode = 2
+text = "Join"
+
+[node name="Bottom" type="VBoxContainer" parent="HBoxContainer/LeftBox"]
+layout_mode = 2
+size_flags_vertical = 10
+
+[node name="Menu" type="Button" parent="HBoxContainer/LeftBox/Bottom"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Main Menu
+"
+
+[node name="Quit" type="Button" parent="HBoxContainer/LeftBox/Bottom"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Quit"
+
+[node name="RightBox" type="VBoxContainer" parent="HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="JoinAddress" type="LineEdit" parent="HBoxContainer/RightBox"]
+layout_mode = 2
+placeholder_text = "localhost"