godot-webrtc-mplayer-testing/multiplayer_client.gd

102 lines
3.1 KiB
GDScript3
Raw Normal View History

2021-11-17 08:18:12 -06:00
extends Node
2021-11-15 15:02:55 -06:00
2021-11-17 08:18:12 -06:00
"""
This module sets up WebRTC peer connections.
"""
2021-11-15 15:02:55 -06:00
2021-11-17 08:18:12 -06:00
var multiplayer_url = "ws://localhost:8888"
var webrtc_ice_servers = [
{ "urls": ["stun:stun.l.google.com:19302"] }
]
2021-11-15 15:02:55 -06:00
2021-11-17 08:18:12 -06:00
const SignallerClient = preload("signaller_client.gd")
2021-11-15 15:02:55 -06:00
2021-11-17 08:18:12 -06:00
onready var mp = WebRTCMultiplayer.new()
2021-11-17 13:57:45 -06:00
onready var signaller = SignallerClient.new()
2021-11-15 15:02:55 -06:00
2021-11-17 08:18:12 -06:00
func _ready():
2021-11-17 16:24:00 -06:00
# signaller.connect("websocket_connected", self, "connected")
# signaller.connect("websocket_disconnected", self, "disconnected")
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
signaller.connect("offer_received", self, "offer_received")
signaller.connect("answer_received", self, "answer_received")
signaller.connect("candidate_received", self, "candidate_received")
2021-11-17 08:18:12 -06:00
2021-11-17 16:24:00 -06:00
signaller.connect("lobby_joined", self, "_lobby_joined")
2021-11-17 08:18:12 -06:00
# connect("lobby_sealed", self, "lobby_sealed")
2021-11-17 16:24:00 -06:00
signaller.connect("peer_joined", self, "_peer_joined")
2021-11-17 08:18:12 -06:00
# connect("peer_disconnected", self, "peer_disconnected")
2021-11-17 13:57:45 -06:00
add_child(signaller)
2021-11-17 08:18:12 -06:00
func close():
mp.close()
2021-11-17 13:57:45 -06:00
signaller.close()
2021-11-17 08:18:12 -06:00
func connect_to_signaller():
2021-11-15 15:02:55 -06:00
close()
2021-11-17 13:57:45 -06:00
signaller.connect_to_websocket_signaller(multiplayer_url)
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
func _create_peer(peer_id):
2021-11-15 15:02:55 -06:00
var peer: WebRTCPeerConnection = WebRTCPeerConnection.new()
2021-11-17 16:24:00 -06:00
print("New Net Peer %s with peer_id %d" % [peer, peer_id])
var _peer_init_results = peer.initialize({"iceServers": webrtc_ice_servers})
peer.connect("session_description_created", self, "_offer_created", [peer_id])
peer.connect("ice_candidate_created", self, "_new_ice_candidate", [peer_id])
mp.add_peer(peer, peer_id)
var uid = mp.get_unique_id()
if peer_id > uid:
var offer_result = peer.create_offer()
print("Create Offer Result: ", offer_result)
else:
print("Did not create offer: %d <= %d" % [peer_id, uid])
2021-11-15 15:02:55 -06:00
return peer
2021-11-17 16:24:00 -06:00
func _new_ice_candidate(mid_name, index_name, sdp_name, peer_id):
print("New ICE Candidate: ", mid_name, index_name, sdp_name, peer_id)
signaller.send_candidate(peer_id, mid_name, index_name, sdp_name)
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
func _offer_created(type, data, peer_id):
print("Offer Created", type, data, peer_id)
if not mp.has_peer(peer_id):
2021-11-15 15:02:55 -06:00
return
2021-11-17 16:24:00 -06:00
mp.get_peer(peer_id).connection.set_local_description(type, data)
2021-11-17 08:18:12 -06:00
if type == "offer":
# TODO: send_offer(id, data)
pass
else:
# TODO: send_answer(id, data)
pass
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
func _lobby_joined(id, peer_id):
print("Connected to lobby %s as peer %d" % [id, peer_id])
mp.initialize(peer_id, true)
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
func _peer_joined(peers):
for i in range(len(peers)):
var peer_id = peers[i]["peerId"]
if not mp.has_peer(peer_id):
_create_peer(peer_id)
2021-11-15 15:02:55 -06:00
func peer_disconnected(id):
2021-11-17 16:24:00 -06:00
print("Peer disconnected ", id)
2021-11-17 08:18:12 -06:00
if mp.has_peer(id):
mp.remove_peer(id)
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
func offer_received(data):
print("Got offer: ", data)
var id = data["peerId"]
2021-11-17 08:18:12 -06:00
if mp.has_peer(id):
2021-11-17 16:24:00 -06:00
mp.get_peer(id).connection.set_remote_description("offer", data["offer"])
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
func answer_received(data):
print("Got answer: ", data)
var id = data["peerId"]
2021-11-17 08:18:12 -06:00
if mp.has_peer(id):
2021-11-17 16:24:00 -06:00
mp.get_peer(id).connection.set_remote_description("answer", data["offer"])
2021-11-15 15:02:55 -06:00
2021-11-17 16:24:00 -06:00
func candidate_received(data):
print("Candidate Received: ", data)
var id = data["peerId"]
2021-11-17 08:18:12 -06:00
if mp.has_peer(id):
2021-11-17 16:24:00 -06:00
mp.get_peer(id).connection.add_ice_candidate(data["mid"], data["index"], data["sdp"])