add 新增远程连接，实现多人游戏

Main.tscn

@@ -1,30 +1,50 @@
 [gd_scene load_steps=3 format=3 uid="uid://boa4od72355o4"]
 
 [ext_resource type="Script" path="res://Main.cs" id="1_h4cv2"]
-[ext_resource type="PackedScene" uid="uid://b1tx7v3230wab" path="res://Scenes/Chessboard.tscn" id="2_bx85x"]
+[ext_resource type="Theme" uid="uid://c53fg2fg071yp" path="res://Asserts/defalutTheme.tres" id="2_8jwne"]
 
 [node name="Main" type="Node2D"]
 script = ExtResource("1_h4cv2")
 
-[node name="Chessboard" parent="." instance=ExtResource("2_bx85x")]
-position = Vector2(360, 660)
-scale = Vector2(2.5, 2.5)
+[node name="Control" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 0
+theme = ExtResource("2_8jwne")
 
-[node name="Undo" type="Button" parent="."]
-offset_left = 200.0
-offset_top = 50.0
-offset_right = 300.0
-offset_bottom = 150.0
-theme_override_font_sizes/font_size = 32
-text = "撤回"
+[node name="SignlePlayer" type="Button" parent="Control"]
+layout_mode = 0
+offset_left = 83.0
+offset_top = 671.0
+offset_right = 298.0
+offset_bottom = 850.0
+text = "单人"
 
-[node name="ReInit" type="Button" parent="."]
-offset_left = 450.0
-offset_top = 50.0
-offset_right = 550.0
-offset_bottom = 150.0
-theme_override_font_sizes/font_size = 32
-text = "重开"
+[node name="MultiPlayer" type="Button" parent="Control"]
+layout_mode = 0
+offset_left = 406.0
+offset_top = 670.0
+offset_right = 612.0
+offset_bottom = 852.0
+text = "多人"
 
-[connection signal="pressed" from="Undo" to="Chessboard" method="undo"]
-[connection signal="pressed" from="ReInit" to="Chessboard" method="redo"]
+[node name="Label" type="Label" parent="Control"]
+layout_mode = 0
+offset_left = 210.0
+offset_top = 312.0
+offset_right = 520.0
+offset_bottom = 498.0
+text = "中国象棋"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="Setting" type="Button" parent="Control"]
+visible = false
+layout_mode = 0
+offset_left = 249.0
+offset_top = 1034.0
+offset_right = 432.0
+offset_bottom = 1201.0
+text = "设置"
+
+[connection signal="pressed" from="Control/SignlePlayer" to="." method="GoToSignlePlayer"]
+[connection signal="pressed" from="Control/MultiPlayer" to="." method="GoToMultiPlayer"]