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Patch lobby example implementation. #7826

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Aug 21, 2023
Merged

Patch lobby example implementation. #7826

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24 changes: 15 additions & 9 deletions tutorials/networking/high_level_multiplayer.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -232,9 +232,11 @@ The function ``multiplayer.get_remote_sender_id()`` can be used to get the uniqu
transfer_some_input.rpc_id(1) # Send the input only to the server.


@rpc("any_peer", "call_local", "reliable") # Call local is required if the server is also a player.
# Call local is required if the server is also a player.
@rpc("any_peer", "call_local", "reliable")
func transfer_some_input():
var sender_id = multiplayer.get_remote_sender_id() # The server knows who sent the input.
# The server knows who sent the input.
var sender_id = multiplayer.get_remote_sender_id()
# Process the input and affect game logic.

Channels
Expand Down Expand Up @@ -272,12 +274,14 @@ have loaded the game scene.
const DEFAULT_SERVER_IP = "127.0.0.1" # IPv4 localhost
const MAX_CONNECTIONS = 20

# This will contain player info for every player, with the keys being each player's unique IDs.
# This will contain player info for every player,
# with the keys being each player's unique IDs.
var players = {}

# This is the local player info. This should be modified locally before the connection is made.
# It will be passed to every other peer.
# For example, the value of "name" can be set to something the player entered in a UI scene.
# This is the local player info. This should be modified locally
# before the connection is made. It will be passed to every other peer.
# For example, the value of "name" can be set to something the player
# entered in a UI scene.
var player_info = {"name": "Name"}

var players_loaded = 0
Expand All @@ -293,7 +297,7 @@ have loaded the game scene.


func join_game(address = ""):
if address == "":
if address.is_empty():
address = DEFAULT_SERVER_IP
var peer = ENetMultiplayerPeer.new()
var error = peer.create_client(address, PORT)
Expand All @@ -317,7 +321,8 @@ have loaded the game scene.
multiplayer.multiplayer_peer = null


# When the server decides to start the game from a UI scene, do Lobby.load_game.rpc(filepath)
# When the server decides to start the game from a UI scene,
# do Lobby.load_game.rpc(filepath)
@rpc("call_local", "reliable")
func load_game(game_scene_path):
get_tree().change_scene_to_file(game_scene_path)
Expand Down Expand Up @@ -347,7 +352,7 @@ have loaded the game scene.


func _on_player_disconnected(id):
player_info.erase(id)
players.erase(id)
player_disconnected.emit(id)


Expand All @@ -363,6 +368,7 @@ have loaded the game scene.

func _on_server_disconnected():
multiplayer.multiplayer_peer = null
players.clear()
server_disconnected.emit()

The game scene's root node should be named Game. In the script attached to it:
Expand Down