add net pong

Cargo.toml

@@ -3,6 +3,7 @@ resolver = "2"
 members = [
     "dodge-the-creeps/rust",
     "hot-reload/rust",
+    "net-pong/rust",
     "squash-the-creeps/rust"
 ]
 

net-pong/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Asdrome
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

net-pong/README.md

@@ -0,0 +1,25 @@
+# Godot Rust Multiplayer Pong
+based on https://godotengine.org/asset-library/asset/2798
+source code: https://github.com/godotengine/godot-demo-projects/tree/4.3/networking/multiplayer_pong
+
+## License
+
+This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for more details.
+
+The godot-rust Ferris icon was obtained from [their repository](https://github.com/godot-rust/assets) and its licence's details are explained [here](https://github.com/godot-rust/assets/blob/master/asset-licenses.md).
+
+Shield: [![CC BY 4.0][cc-by-shield]][cc-by]
+
+This work is licensed under a
+[Creative Commons Attribution 4.0 International License][cc-by].
+
+[![CC BY 4.0][cc-by-image]][cc-by]
+
+[cc-by]: http://creativecommons.org/licenses/by/4.0/
+[cc-by-image]: https://i.creativecommons.org/l/by/4.0/88x31.png
+[cc-by-shield]: https://img.shields.io/badge/License-CC%20BY%204.0-lightgrey.svg
+
+## Acknowledgments
+
+- [Godot Engine](https://godotengine.org/)
+- [Godot Rust](https://github.com/godot-rust/gdext) for their fantastic work on integrating Rust with Godot.

net-pong/godot/.gitignore

@@ -0,0 +1,3 @@
+# Godot 4+ specific ignores
+.godot/
+/android/

net-pong/godot/README.md

@@ -0,0 +1,17 @@
+# Pong Multiplayer
+
+A multiplayer implementation of the classic pong game.
+One of the players should press **Host**, while the other
+should type in the host's IP address and press **Join**.
+
+Language: GDScript
+
+Renderer: Compatibility
+
+Note: The non-multiplayer version is available [here](https://github.com/godotengine/godot-demo-projects/tree/master/2d/pong).
+
+Check out this demo on the asset library: https://godotengine.org/asset-library/asset/2798
+
+## Screenshots
+
+![Screenshot](screenshots/pong_multiplayer.png)

net-pong/godot/ball.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=3 uid="uid://bjmldn1x3lpa"]
+
+[ext_resource type="Texture2D" uid="uid://i1imfdcn7ui" path="res://ball.png" id="2"]
+
+[sub_resource type="CircleShape2D" id="1"]
+radius = 5.11969
+
+[node name="Ball" type="Ball"]
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("2")
+
+[node name="Shape3D" type="CollisionShape2D" parent="."]
+shape = SubResource("1")

net-pong/godot/lobby.tscn

@@ -0,0 +1,159 @@
+[gd_scene format=3 uid="uid://f85s2avde6r4"]
+
+[node name="Lobby" type="Control"]
+layout_mode = 3
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -320.0
+offset_top = -200.0
+offset_right = 320.0
+offset_bottom = 200.0
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 2
+size_flags_vertical = 2
+
+[node name="Title" type="Label" 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 = -110.0
+offset_top = -156.0
+offset_right = 110.0
+offset_bottom = -116.0
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 2
+size_flags_vertical = 0
+theme_override_font_sizes/font_size = 32
+text = "Multiplayer Pong"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="LobbyPanel" type="Lobby" parent="." node_paths=PackedStringArray("address", "host_button", "join_button", "status_ok", "status_fail", "port_forward_label", "find_public_ip_button")]
+address = NodePath("Address")
+host_button = NodePath("HostButton")
+join_button = NodePath("JoinButton")
+status_ok = NodePath("StatusOk")
+status_fail = NodePath("StatusFail")
+port_forward_label = NodePath("PortForward")
+find_public_ip_button = NodePath("FindPublicIP")
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -110.0
+offset_top = -73.0
+offset_right = 110.0
+offset_bottom = 73.0
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 2
+size_flags_vertical = 2
+
+[node name="AddressLabel" type="Label" parent="LobbyPanel"]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 6.0
+offset_right = 77.0
+offset_bottom = 29.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+text = "Address:"
+
+[node name="Address" type="LineEdit" parent="LobbyPanel"]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 37.0
+offset_right = 210.0
+offset_bottom = 68.0
+size_flags_horizontal = 2
+size_flags_vertical = 2
+text = "127.0.0.1"
+
+[node name="HostButton" type="Button" parent="LobbyPanel"]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 76.0
+offset_right = 90.0
+offset_bottom = 107.0
+size_flags_horizontal = 2
+size_flags_vertical = 2
+text = "Host"
+
+[node name="JoinButton" type="Button" parent="LobbyPanel"]
+layout_mode = 0
+offset_left = 130.0
+offset_top = 76.0
+offset_right = 210.0
+offset_bottom = 107.0
+size_flags_horizontal = 2
+size_flags_vertical = 2
+text = "Join"
+
+[node name="StatusOk" type="Label" parent="LobbyPanel"]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 114.0
+offset_right = 210.0
+offset_bottom = 137.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+horizontal_alignment = 1
+
+[node name="StatusFail" type="Label" parent="LobbyPanel"]
+modulate = Color(1, 0.427451, 0.345098, 1)
+layout_mode = 0
+offset_left = 10.0
+offset_top = 114.0
+offset_right = 210.0
+offset_bottom = 137.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+horizontal_alignment = 1
+
+[node name="PortForward" type="Label" parent="LobbyPanel"]
+visible = false
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -278.0
+offset_top = 91.0
+offset_right = 25.0
+offset_bottom = 166.0
+grow_horizontal = 2
+grow_vertical = 2
+text = "If you want non-LAN clients to connect,
+make sure the port 8910 in UDP
+is forwarded on your router."
+
+[node name="FindPublicIP" type="LinkButton" parent="LobbyPanel"]
+visible = false
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = 61.0
+offset_top = 118.0
+offset_right = 269.0
+offset_bottom = 141.0
+grow_horizontal = 2
+grow_vertical = 2
+text = "Find your public IP address"
+
+[connection signal="pressed" from="LobbyPanel/HostButton" to="LobbyPanel" method="_on_host_pressed"]
+[connection signal="pressed" from="LobbyPanel/JoinButton" to="LobbyPanel" method="_on_join_pressed"]
+[connection signal="pressed" from="LobbyPanel/FindPublicIP" to="LobbyPanel" method="_on_find_public_ip_pressed"]

net-pong/godot/paddle.tscn

@@ -0,0 +1,27 @@
+[gd_scene load_steps=3 format=3 uid="uid://cpw46256eirwq"]
+
+[ext_resource type="Texture2D" uid="uid://bjw2yb853klh2" path="res://paddle.png" id="2"]
+
+[sub_resource type="CapsuleShape2D" id="1"]
+radius = 4.78568
+height = 23.6064
+
+[node name="Paddle" type="Paddle" node_paths=PackedStringArray("you_label")]
+you_label = NodePath("You")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("2")
+
+[node name="Shape3D" type="CollisionShape2D" parent="."]
+shape = SubResource("1")
+
+[node name="You" type="Label" parent="."]
+offset_left = -26.0
+offset_top = -33.0
+offset_right = 27.0
+offset_bottom = -19.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+text = "You"
+
+[connection signal="area_entered" from="." to="." method="_on_paddle_area_enter"]

net-pong/godot/pong.tscn

@@ -0,0 +1,92 @@
+[gd_scene load_steps=4 format=3 uid="uid://bafoh1ief0147"]
+
+[ext_resource type="Texture2D" uid="uid://bnx1f3bsxpy7y" path="res://separator.png" id="2"]
+[ext_resource type="PackedScene" uid="uid://cpw46256eirwq" path="res://paddle.tscn" id="3"]
+[ext_resource type="PackedScene" uid="uid://bjmldn1x3lpa" path="res://ball.tscn" id="4"]
+
+[node name="Pong" type="Pong" node_paths=PackedStringArray("host_player", "client_player", "score_left_node", "score_right_node", "winner_left", "winner_right", "exit_game", "ball")]
+host_player = NodePath("Player1")
+client_player = NodePath("Player2")
+score_left_node = NodePath("ScoreLeft")
+score_right_node = NodePath("ScoreRight")
+winner_left = NodePath("WinnerLeft")
+winner_right = NodePath("WinnerRight")
+exit_game = NodePath("ExitGame")
+ball = NodePath("Ball")
+
+[node name="ColorRect" type="ColorRect" parent="."]
+offset_right = 640.0
+offset_bottom = 400.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0.141176, 0.152941, 0.164706, 1)
+
+[node name="Separator" type="Sprite2D" parent="."]
+position = Vector2(320, 200)
+texture = ExtResource("2")
+
+[node name="Player1" parent="." instance=ExtResource("3")]
+left = true
+modulate = Color(0, 1, 1, 1)
+position = Vector2(32.49, 188.622)
+
+[node name="Player2" parent="." instance=ExtResource("3")]
+modulate = Color(1, 0, 1, 1)
+position = Vector2(608.88, 188.622)
+
+[node name="Ball" parent="." instance=ExtResource("4")]
+position = Vector2(320.387, 189.525)
+
+[node name="ScoreLeft" type="Label" parent="."]
+offset_left = 240.0
+offset_top = 10.0
+offset_right = 280.0
+offset_bottom = 30.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+text = "0"
+
+[node name="ScoreRight" type="Label" parent="."]
+offset_left = 360.0
+offset_top = 10.0
+offset_right = 400.0
+offset_bottom = 30.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+text = "0"
+
+[node name="WinnerLeft" type="Label" parent="."]
+visible = false
+offset_left = 190.0
+offset_top = 170.0
+offset_right = 267.0
+offset_bottom = 184.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+text = "The Winner!"
+
+[node name="WinnerRight" type="Label" parent="."]
+visible = false
+offset_left = 380.0
+offset_top = 170.0
+offset_right = 457.0
+offset_bottom = 184.0
+size_flags_horizontal = 2
+size_flags_vertical = 0
+text = "The Winner!"
+
+[node name="ExitGame" type="Button" parent="."]
+visible = false
+offset_left = 280.0
+offset_top = 340.0
+offset_right = 360.0
+offset_bottom = 360.0
+size_flags_horizontal = 2
+size_flags_vertical = 2
+text = "Exit Game"
+
+[node name="Camera2D" type="Camera2D" parent="."]
+offset = Vector2(320, 200)
+
+[editable path="Player1"]
+[editable path="Player2"]