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69 lines
2.5 KiB
GDScript
69 lines
2.5 KiB
GDScript
extends Node
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class_name MultiplePlayersTracker
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## Manager of all the instances of [SinglePlayerTracker] for a given multiplayer room.
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##
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## Authority of this object is always given to the server (1).
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##
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## The server uses its authority to assign authority to the child [SinglePlayerTracker]s.
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## Emitted when a new [SinglePlayerTracker] is created.
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signal created(tracker: SinglePlayerTracker)
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## Emitted when any [SinglePlayerTracker] has changed.
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signal changed(all_trackers: Array[SinglePlayerTracker])
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## Emitted when any [SinglePlayerTracker] is about to be destroyed.
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signal before_destroyed(tracker: SinglePlayerTracker)
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## The scene to be instantiated.
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const tracker_scene = preload("res://scenes/single_player_tracker.tscn")
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## Return the [Array] of [SinglePlayerTrackers] managed by this object.
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func find_all() -> Array[SinglePlayerTracker]:
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return find_children("", "SinglePlayerTracker", false, false) as Array[SinglePlayerTracker]
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## Find the first [SinglePlayerTracker] over which the given peer id has authority.
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func find_id(peer_id: int) -> SinglePlayerTracker:
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for tracker in find_all():
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if tracker.get_multiplayer_authority() == peer_id:
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return tracker
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return null
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## Find the first [SinglePlayerTracker] over which the running instance has authority.
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func find_self() -> SinglePlayerTracker:
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var self_id = multiplayer.multiplayer_peer.get_unique_id()
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return find_id(self_id)
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## Find the first [SinglePlayerTracker] representing a player with the given name.
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func find_name(player_name: String) -> SinglePlayerTracker:
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for tracker in find_all():
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if tracker.player_name == player_name:
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return tracker
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return null
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## Create a new [SinglePlayerTracker] for the given peer id, or return the one that already exists.
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@rpc("authority", "call_local", "reliable")
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func create(peer_id: int) -> SinglePlayerTracker:
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var tracker = find_id(peer_id)
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if tracker != null:
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return tracker
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Log.peer(self, "Creating tracker for peer: %d" % peer_id)
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tracker = tracker_scene.instantiate()
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tracker.set_multiplayer_authority(peer_id)
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created.emit(tracker)
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var trackers = find_all()
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changed.emit(trackers)
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return tracker
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## Destroy the [SinglePlayerTracker] for the given peer id, or do nothing if it already exists.
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func destroy(peer_id: int) -> void:
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var tracker = find_id(peer_id)
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if tracker == null:
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return
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Log.peer(self, "Destroying tracker for peer: %d" % peer_id)
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before_destroyed.emit(tracker)
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tracker.queue_free()
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var trackers = find_all()
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changed.emit(trackers)
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