open-fpsz/modes/multiplayer.gd

118 lines
4.4 KiB
GDScript

# This file is part of open-fpsz.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
class_name Multiplayer extends Node
@export_category("Parameters")
@export var PLAYER : PackedScene
@export var FLAG : PackedScene
@export var MAX_CLIENTS : int = 24
@export var RESPAWN_TIME : float = 3.0
@onready var players : Node = $Players
@onready var objectives : Node = $Objectives
@onready var map : Node = $Map
@onready var scoreboard : Scoreboard = $Scoreboard
var _map_manager : Map
signal connected_to_server
signal connection_failed
func start_server(config : Dictionary) -> void:
# Check if required parameters are missing
var required_params : Array[String] = ["port", "map", "nickname"]
for param in required_params:
if not config.has(param):
print("Missing param in server config:", param)
return
# server setup
var peer : ENetMultiplayerPeer = ENetMultiplayerPeer.new()
peer.create_server(config["port"], MAX_CLIENTS)
multiplayer.peer_disconnected.connect(remove_player)
multiplayer.multiplayer_peer = peer
_load_map.call_deferred(config["map"], config["nickname"])
func join_server(host : String, port : int, nickname : String) -> void:
var peer : ENetMultiplayerPeer = ENetMultiplayerPeer.new()
peer.create_client(host, port)
multiplayer.connected_to_server.connect(_on_connected_to_server.bind(nickname))
multiplayer.connection_failed.connect(_on_connection_failed)
multiplayer.multiplayer_peer = peer
func _on_connected_to_server(nickname : String) -> void:
connected_to_server.emit()
scoreboard.request_scoreboard_from_authority.rpc()
_join_match.rpc(nickname)
func _on_connection_failed() -> void:
connection_failed.emit()
func _on_player_died(player : Player, _killer_id : int) -> void:
await get_tree().create_timer(RESPAWN_TIME).timeout
respawn_player(player)
func respawn_player(player : Player) -> void:
var spawn_location : Vector3 = _map_manager.get_player_spawn().position
player.respawn.rpc(spawn_location)
func add_player(peer_id : int, nickname : String) -> void:
var match_participant_component : MatchParticipantComponent = MatchParticipantComponent.new()
var player : Player = PLAYER.instantiate()
player.died.connect(_on_player_died)
player.name = str(peer_id)
players.add_child(player)
player.global_position = _map_manager.get_player_spawn().position
player.match_participant_component.player_id = peer_id
player.match_participant_component.team_id = ($RabbitScoringComponent as RabbitScoringComponent)._team_chasers.team_id
player.match_participant_component.nickname = nickname
$DeathmatchScoringComponent.subscribe_player(player)
scoreboard.add_participant(player.match_participant_component)
print("Peer `%s` connected" % player.name)
func remove_player(peer_id : int) -> void:
var node_name : String = str(peer_id)
if players.has_node(node_name):
var player : Player = players.get_node(node_name)
scoreboard.remove_participant(player.match_participant_component)
player.died.disconnect(_on_player_died)
$DeathmatchScoringComponent.unsubscribe_player(player)
player.queue_free()
print("Peer `%s` disconnected" % node_name)
func _load_map(scene : PackedScene, nickname : String) -> void:
var map_scene : Node = scene.instantiate()
map_scene.ready.connect(_add_flag)
_map_manager = map_scene
map.add_child(map_scene)
if DisplayServer.get_name() != "headless":
add_player(1, nickname)
func _add_flag() -> void:
var flag : Flag = FLAG.instantiate()
$RabbitScoringComponent.setup(flag)
objectives.add_child(flag)
flag.global_position = _map_manager.get_flagstand().global_position
@rpc("any_peer", "reliable")
func _join_match(nickname : String) -> void:
if is_multiplayer_authority():
add_player(multiplayer.get_remote_sender_id(), nickname)
func _exit_tree() -> void:
if is_multiplayer_authority():
multiplayer.peer_disconnected.disconnect(remove_player)
multiplayer.multiplayer_peer = OfflineMultiplayerPeer.new()