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world.gd
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world.gd
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extends Node
@onready var mainMenu = $CanvasLayer/MainMenu
@onready var addressEntry = $CanvasLayer/MainMenu/MarginContainer/VBoxContainer/AddressEntry
@onready var hud = $CanvasLayer/HUD
@onready var healthBar = $CanvasLayer/HUD/HealthBar
const Player = preload("res://player.tscn")
const PORT = 9999
var enetPeer = ENetMultiplayerPeer.new()
func _unhandled_input(_event):
if Input.is_action_just_pressed("quit"):
get_tree().quit()
# Handle the host button being pressed
func _on_host_button_pressed():
mainMenu.hide()
hud.show()
enetPeer.create_server(PORT)
multiplayer.multiplayer_peer = enetPeer
# Add player instances when peers connect
multiplayer.peer_connected.connect(add_player)
multiplayer.peer_disconnected.connect(remove_player)
# Spawn host player
add_player(multiplayer.get_unique_id())
upnp_setup()
func _on_join_button_pressed():
mainMenu.hide()
hud.show()
enetPeer.create_client(addressEntry.text, PORT)
multiplayer.multiplayer_peer = enetPeer
func add_player(peer_id):
var player = Player.instantiate()
player.name = str(peer_id)
add_child(player)
if player.is_multiplayer_authority():
player.health_changed.connect(update_health_bar)
func remove_player(peer_id):
var player = get_node_or_null(str(peer_id))
if player:
player.queue_free()
func update_health_bar(health_value):
healthBar.value = health_value
func _on_multiplayer_spawner_spawned(player):
if player.is_multiplayer_authority():
player.health_changed.connect(update_health_bar)
func upnp_setup():
var upnp = UPNP.new()
var discover_result = upnp.discover()
assert(discover_result == UPNP.UPNP_RESULT_SUCCESS, "UPNP Discover Failed! Error %s" % discover_result)
assert(upnp.get_gateway() and upnp.get_gateway().is_valid_gateway(), "UPNP Invalid Gateway")
var map_result = upnp.add_port_mapping(PORT)
assert(map_result == UPNP.UPNP_RESULT_SUCCESS, "UPNP Port Mapping Failed! Error %s" % map_result)
print("Success! Join Address: %s" % upnp.query_external_address())