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algodist-steffo-nanogolf/scenes/level_manager.gd
2024-03-18 06:49:25 +01:00

177 lines
4.9 KiB
GDScript

extends Node
class_name LevelManager
@export_category("References")
## The [LevelPlaylist] to use to load [GolfLevel]s from.
@export var playlist: LevelPlaylist = null
## The [PlayerNodeDirectory] to use to determine which players to spawn on clients.
@export var player_dir: PlayerNodeDirectory = null
## Emitted when a level has been completed.
signal level_completed(level: GolfLevel)
## The blank [GolfLevel] to initialize on clients.
const base_scene: PackedScene = preload("res://scenes/golf_level.tscn")
## The currently instantiated [GolfLevel].
var level: GolfLevel = null
## The next scene to use as [field target].
##
## Should be null on everything that's not the server.
var next: PackedScene = null
## The currently instantiated target [GolfLevel].
##
## Should be null on everything that's not the server.
var target: GolfLevel = null
## Destroy the current [field level].
func destroy_level() -> void:
Log.peer(self, "Emitting level_destroying signal...")
level_destroying.emit(level)
Log.peer(self, "Queueing the free of the level and removing references...")
remove_child(level)
level.queue_free()
level = null
Log.peer(self, "Emitting level_destroyed signal...")
level_destroyed.emit()
## Emitted when the current level is about to be destroyed.
signal level_destroying(level: GolfLevel)
## Emitted when the current level has been destroyed.
signal level_destroyed
## Advance the [field playlist] and return the next level to play.
func determine_next_level() -> void:
Log.peer(self, "Determining the next level...")
next = playlist.advance()
Log.peer(self, "Determined the next level: %s" % next)
level_determined.emit(next)
if next == null:
Log.peer(self, "Playlist is complete.")
playlist_complete.emit(playlist)
## Emitted when the next level has been determined by calling [LevelPlaylist.advance].
signal level_determined(scene: PackedScene)
## Emitted when all levels in the [field playlist] have been exausted.
signal playlist_complete(playlist: LevelPlaylist)
## Instantiate and setup a copy of the [field base_scene].
func initialize_level() -> void:
Log.peer(self, "Instantiating level template...")
level = base_scene.instantiate()
Log.peer(self, "Configuring level variables...")
level.player_dir = player_dir
Log.peer(self, "Connecting level signals...")
level.level_completed.connect(_on_level_completed)
Log.peer(self, "Adding level to the scene tree...")
add_child(level, true)
Log.peer(self, "Emitting level_initialized signal...")
level_initialized.emit(level)
## Emitted when a copy of [field base_scene] has been initialized by [method initialize_level].
signal level_initialized(level: GolfLevel)
## Instantiate a copy of the given target [GolfLevel].
func init_target() -> void:
Log.peer(self, "Instantiating level targets...")
level.target = next.instantiate()
Log.peer(self, "Emitting target_initialized signal...")
target_initialized.emit(level.target)
## Emitted when a copy of the target level has been initialized by [method init_target].
signal target_initialized(level: GolfLevel)
## Replicate the [method target] onto the [method level] of all currently connected clients if no peer_id is specified, or to only that client if a peer_id is specified.
func build_level(peer_id: int = 0) -> void:
Log.peer(self, "Building level...")
level.build(peer_id)
Log.peer(self, "Emitting level_built signal...")
level_built.emit(level)
## Emitted on the server when it has finished sending out RPCs for the [method GolfLevel.build] of the [field target] level.
signal level_built(level: GolfLevel)
## Send the current level to a given client.
func sync_level(peer_id: int = 0) -> void:
Log.peer(self, "Repeating the current level to: %d" % peer_id)
if level:
if peer_id > 0:
rpc_wipe_level.rpc_id(peer_id)
else:
rpc_wipe_level.rpc()
build_level(peer_id)
## Add a new player to the current level.
func add_player(playernode: PlayerNode):
Log.peer(self, "Adding a new player to the level in progress...")
if level != null:
level.build_new_ball(playernode.player_name)
## Advance to the next level.
func next_level() -> void:
Log.peer(self, "Advancing to the next level...")
determine_next_level()
if next != null:
rpc_wipe_level.rpc()
init_target()
build_level()
else:
rpc_destroy_level.rpc()
## Clear the current level on all clients and prepare to build a new one.
@rpc("authority", "call_local", "reliable")
func rpc_wipe_level():
if level != null:
destroy_level()
initialize_level()
## Clear the current level on all clients.
@rpc("authority", "call_local", "reliable")
func rpc_destroy_level():
if level != null:
destroy_level()
## Emit [signal level_completed] everywhere.
@rpc("authority", "call_local", "reliable")
func rpc_level_completed() -> void:
level_completed.emit(level)
func _on_level_completed() -> void:
Log.peer(self, "Level completed!")
rpc_level_completed.rpc()
if is_multiplayer_authority():
next_level()