mirror of
https://github.com/Relintai/pandemonium_demo_projects.git
synced 2024-12-21 13:56:50 +01:00
124 lines
3.5 KiB
GDScript
124 lines
3.5 KiB
GDScript
extends Control
|
|
|
|
# Default game server port. Can be any number between 1024 and 49151.
|
|
# Not on the list of registered or common ports as of November 2020:
|
|
# https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
|
|
const DEFAULT_PORT = 8910
|
|
|
|
onready var address = $Address
|
|
onready var host_button = $HostButton
|
|
onready var join_button = $JoinButton
|
|
onready var status_ok = $StatusOk
|
|
onready var status_fail = $StatusFail
|
|
onready var port_forward_label = $PortForward
|
|
onready var find_public_ip_button = $FindPublicIP
|
|
|
|
var peer = null
|
|
|
|
func _ready():
|
|
# Connect all the callbacks related to networking.
|
|
get_tree().connect("network_peer_connected", self, "_player_connected")
|
|
get_tree().connect("network_peer_disconnected", self, "_player_disconnected")
|
|
get_tree().connect("connected_to_server", self, "_connected_ok")
|
|
get_tree().connect("connection_failed", self, "_connected_fail")
|
|
get_tree().connect("server_disconnected", self, "_server_disconnected")
|
|
|
|
#### Network callbacks from SceneTree ####
|
|
|
|
# Callback from SceneTree.
|
|
func _player_connected(_id):
|
|
# Someone connected, start the game!
|
|
var pong = load("res://pong.tscn").instance()
|
|
# Connect deferred so we can safely erase it from the callback.
|
|
pong.connect("game_finished", self, "_end_game", [], CONNECT_DEFERRED)
|
|
|
|
get_tree().get_root().add_child(pong)
|
|
hide()
|
|
|
|
|
|
func _player_disconnected(_id):
|
|
if get_tree().is_network_server():
|
|
_end_game("Client disconnected")
|
|
else:
|
|
_end_game("Server disconnected")
|
|
|
|
|
|
# Callback from SceneTree, only for clients (not server).
|
|
func _connected_ok():
|
|
pass # This function is not needed for this project.
|
|
|
|
|
|
# Callback from SceneTree, only for clients (not server).
|
|
func _connected_fail():
|
|
_set_status("Couldn't connect", false)
|
|
|
|
get_tree().set_network_peer(null) # Remove peer.
|
|
host_button.set_disabled(false)
|
|
join_button.set_disabled(false)
|
|
|
|
|
|
func _server_disconnected():
|
|
_end_game("Server disconnected")
|
|
|
|
##### Game creation functions ######
|
|
|
|
func _end_game(with_error = ""):
|
|
if has_node("/root/Pong"):
|
|
# Erase immediately, otherwise network might show
|
|
# errors (this is why we connected deferred above).
|
|
get_node("/root/Pong").free()
|
|
show()
|
|
|
|
get_tree().set_network_peer(null) # Remove peer.
|
|
host_button.set_disabled(false)
|
|
join_button.set_disabled(false)
|
|
|
|
_set_status(with_error, false)
|
|
|
|
|
|
func _set_status(text, isok):
|
|
# Simple way to show status.
|
|
if isok:
|
|
status_ok.set_text(text)
|
|
status_fail.set_text("")
|
|
else:
|
|
status_ok.set_text("")
|
|
status_fail.set_text(text)
|
|
|
|
|
|
func _on_host_pressed():
|
|
peer = NetworkedMultiplayerENet.new()
|
|
peer.set_compression_mode(NetworkedMultiplayerENet.COMPRESS_RANGE_CODER)
|
|
var err = peer.create_server(DEFAULT_PORT, 1) # Maximum of 1 peer, since it's a 2-player game.
|
|
if err != OK:
|
|
# Is another server running?
|
|
_set_status("Can't host, address in use.",false)
|
|
return
|
|
|
|
get_tree().set_network_peer(peer)
|
|
host_button.set_disabled(true)
|
|
join_button.set_disabled(true)
|
|
_set_status("Waiting for player...", true)
|
|
|
|
# Only show hosting instructions when relevant.
|
|
port_forward_label.visible = true
|
|
find_public_ip_button.visible = true
|
|
|
|
|
|
func _on_join_pressed():
|
|
var ip = address.get_text()
|
|
if not ip.is_valid_ip_address():
|
|
_set_status("IP address is invalid", false)
|
|
return
|
|
|
|
peer = NetworkedMultiplayerENet.new()
|
|
peer.set_compression_mode(NetworkedMultiplayerENet.COMPRESS_RANGE_CODER)
|
|
peer.create_client(ip, DEFAULT_PORT)
|
|
get_tree().set_network_peer(peer)
|
|
|
|
_set_status("Connecting...", true)
|
|
|
|
|
|
func _on_find_public_ip_pressed():
|
|
OS.shell_open("https://icanhazip.com/")
|