fully sync player movements over network

scenes/GUI/START_GAME.tscn

@@ -0,0 +1,62 @@
+[gd_scene load_steps=2 format=3 uid="uid://d0kkhtesg83g"]
+
+[ext_resource type="Script" path="res://scenes/GUI/start_game.gd" id="1_amknd"]
+
+[node name="START GAME" type="Control"]
+layout_mode = 3
+anchors_preset = 0
+script = ExtResource("1_amknd")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -198.0
+offset_top = -104.0
+offset_right = 199.0
+offset_bottom = 64.0
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 4
+metadata/_edit_use_anchors_ = true
+
+[node name="HostContainer" type="HBoxContainer" parent="VBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 2
+
+[node name="HostButton" type="Button" parent="VBoxContainer/HostContainer"]
+layout_mode = 2
+text = "Host"
+
+[node name="JoinContainer" type="HBoxContainer" parent="VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 2
+
+[node name="IPAdress" type="TextEdit" parent="VBoxContainer/JoinContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_font_sizes/font_size = 13
+placeholder_text = "localhost"
+
+[node name="JoinButton" type="Button" parent="VBoxContainer/JoinContainer"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 0
+text = "Join
+"
+
+[node name="BackContainer" type="VBoxContainer" parent="VBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 4
+
+[node name="BackButton" type="Button" parent="VBoxContainer/BackContainer"]
+layout_mode = 2
+text = "Back"
+
+[connection signal="pressed" from="VBoxContainer/HostContainer/HostButton" to="." method="_on_host_button_pressed"]
+[connection signal="pressed" from="VBoxContainer/JoinContainer/JoinButton" to="." method="_on_join_button_pressed"]
+[connection signal="pressed" from="VBoxContainer/BackContainer/BackButton" to="." method="_on_back_button_pressed"]