From 04c03ef6b6a23ad5f73c338af8c024ffa4084172 Mon Sep 17 00:00:00 2001
From: vaporvee <yannik@vaporvee.com>
Date: Wed, 17 Apr 2024 16:48:11 +0200
Subject: [PATCH] basic udp client

---
 project/project.godot                  |  4 +++
 project/scenes/ui/tesC03.tmp           | 29 +++++++++++++++++
 project/scripts/autoload/udp_client.gd | 45 ++++++++++++++++++++++++++
 project/scripts/ui/testinterface.gd    | 42 ++----------------------
 4 files changed, 80 insertions(+), 40 deletions(-)
 create mode 100644 project/scenes/ui/tesC03.tmp
 create mode 100644 project/scripts/autoload/udp_client.gd

diff --git a/project/project.godot b/project/project.godot
index 58df59f..8fa960c 100644
--- a/project/project.godot
+++ b/project/project.godot
@@ -14,3 +14,7 @@ config/name="Multiplayer Game Test"
 run/main_scene="res://scenes/ui/testinterface.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"
+
+[autoload]
+
+UdpClient="*res://scripts/autoload/udp_client.gd"
diff --git a/project/scenes/ui/tesC03.tmp b/project/scenes/ui/tesC03.tmp
new file mode 100644
index 0000000..c8000f1
--- /dev/null
+++ b/project/scenes/ui/tesC03.tmp
@@ -0,0 +1,29 @@
+[gd_scene load_steps=2 format=3 uid="uid://bsno04jv8uvxe"]
+
+[ext_resource type="Script" path="res://scripts/ui/testinterface.gd" id="1_g1tlq"]
+
+[node name="TestInterface" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_g1tlq")
+
+[node name="Button" type="Button" 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 = -108.5
+offset_top = -56.0
+offset_right = 108.5
+offset_bottom = 56.0
+grow_horizontal = 2
+grow_vertical = 2
+text = "Test websocket"
+
+[connection signal="pressed" from="Button" to="." method="_on_button_pressed"]
diff --git a/project/scripts/autoload/udp_client.gd b/project/scripts/autoload/udp_client.gd
new file mode 100644
index 0000000..707dc95
--- /dev/null
+++ b/project/scripts/autoload/udp_client.gd
@@ -0,0 +1,45 @@
+extends Node
+
+var udp_peer: PacketPeerUDP = PacketPeerUDP.new()
+var server_ip: String = "45.93.249.177" # Replace with your server's IP
+var server_port: int = 4477 # Replace with your server's port
+
+func _ready():
+	var err = udp_peer.bind(server_port, "*")
+	if err != OK:
+		print("Failed to bind to port: ", server_port)
+		return
+	print("Listening on port: ", server_port)
+	# Send a message to the server to initiate session ID assignment
+	var payload: Dictionary = {
+		"type": "init",
+	}
+	send_payload(payload)
+
+func _process(_delta):
+	if udp_peer.get_available_packet_count() > 0:
+		var packet = udp_peer.get_packet()
+		var message: String = packet.get_string_from_utf8()
+		print("Received: ", message)
+
+func send_message(message: String) -> void:
+	var payload: Dictionary = {
+		"type": "message",
+		"msg": message
+	}
+	send_payload(payload)
+
+func send_payload(payload: Dictionary):
+	var packet = JSON.stringify(payload).to_utf8_buffer()
+	udp_peer.set_dest_address(server_ip, server_port)
+	udp_peer.put_packet(packet)
+
+func move(vec: Vector2i):
+	var payload: Dictionary = {
+		"type": "move",
+		"direction": {
+			"x": vec.x,
+			"y": vec.y
+		}
+	}
+	send_payload(payload)
diff --git a/project/scripts/ui/testinterface.gd b/project/scripts/ui/testinterface.gd
index 5dbbedb..229a2ec 100644
--- a/project/scripts/ui/testinterface.gd
+++ b/project/scripts/ui/testinterface.gd
@@ -1,42 +1,4 @@
-extends Control
-
-var websocket_url = "wss://acecore.lol:4477/ws"
-var websocket_peer = WebSocketPeer.new()
-
-var payload: Dictionary = {
-	"type": "broadcast",
-	"msg": "TESTBUTTON_PRESSED"
-}
-
-func _ready():
-	var error = websocket_peer.connect_to_url(websocket_url)
-	if error == OK:
-		print("Connected to WebSocket server")
-		send_message("Connected client")
-	else:
-		print("Failed to connect to WebSocket server")
-
-func _process(_delta):
-	websocket_peer.poll()
-	var state = websocket_peer.get_ready_state()
-	if state == WebSocketPeer.STATE_OPEN:
-		while websocket_peer.get_available_packet_count():
-			print("Packet: ", websocket_peer.get_packet().get_string_from_utf8())
-	elif state == WebSocketPeer.STATE_CLOSING:
-		# Keep polling to achieve proper close.
-		pass
-	elif state == WebSocketPeer.STATE_CLOSED:
-		var code = websocket_peer.get_close_code()
-		var reason = websocket_peer.get_close_reason()
-		print("WebSocket closed with code: %d, reason %s. Clean: %s" % [code, reason, code != -1])
-		set_process(false)
-
-func send_message(message: String) -> void:
-	var state = websocket_peer.get_ready_state()
-	if state == WebSocketPeer.STATE_OPEN:
-		websocket_peer.send(str(payload).to_utf8_buffer())
-	else:
-		print("WebSocket connection is not open. Current state: ", state)
+extends Node
 
 func _on_button_pressed():
-	send_message("Test button pressed")
+	UdpClient.send_message("TEST BUTTON PRESSED")