multyplayer

Player/player.gd

@@ -0,0 +1,80 @@
+extends Node3D
+
+## One instance per connected peer. The owning peer is the multiplayer
+## authority. The local (authority) player builds the full XR rig from
+## XROrigin.tscn and feeds its head/hand poses into synced properties; remote
+## players show a lightweight avatar driven by those synced poses.
+
+const RIG_SCENE := preload("res://XROrigin.tscn")
+
+# Synced avatar pose. Authority writes these from the XR trackers each frame;
+# remotes read them onto the Avatar. net_heartbeat is a monotonic counter used
+# to confirm replication is live (also handy for debugging).
+@export var head_xform: Transform3D = Transform3D.IDENTITY
+@export var left_xform: Transform3D = Transform3D.IDENTITY
+@export var right_xform: Transform3D = Transform3D.IDENTITY
+@export var net_heartbeat: int = 0
+
+var _rig: Node3D
+var _camera: Node3D
+var _left: Node3D
+var _right: Node3D
+var _is_local := false
+
+@onready var _avatar: Node3D = $Avatar
+@onready var _avatar_head: Node3D = $Avatar/Head
+@onready var _avatar_left: Node3D = $Avatar/LeftHand
+@onready var _avatar_right: Node3D = $Avatar/RightHand
+
+
+func _enter_tree() -> void:
+	# The spawner names each player by its owning peer id.
+	set_multiplayer_authority(str(name).to_int())
+
+
+# (replication config is authored in Player.tscn's MultiplayerSynchronizer)
+
+
+func _ready() -> void:
+	_is_local = is_multiplayer_authority()
+	if _is_local:
+		_setup_local()
+	else:
+		_setup_remote()
+	if Engine.has_singleton("NetworkManager") or get_node_or_null("/root/NetworkManager"):
+		NetworkManager.log_line("Player %s ready (authority=%d local=%s)" % [name, get_multiplayer_authority(), str(_is_local)])
+
+
+func _setup_local() -> void:
+	# We see through the headset; hide our own avatar mesh.
+	_avatar.visible = false
+	_rig = RIG_SCENE.instantiate()
+	add_child(_rig)
+	_camera = _rig.get_node_or_null("XRCamera3D")
+	_left = _rig.get_node_or_null("XRControllerLeftHand")
+	_right = _rig.get_node_or_null("XRControllerRightHand")
+	_enable_xr()
+
+
+func _enable_xr() -> void:
+	var xr := XRServer.find_interface("OpenXR")
+	if xr and xr.is_initialized():
+		get_viewport().use_xr = true
+		DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_DISABLED)
+
+
+func _setup_remote() -> void:
+	_avatar.visible = true
+
+
+func _process(_delta: float) -> void:
+	if _is_local:
+		if _camera:
+			head_xform = _camera.global_transform
+			left_xform = _left.global_transform
+			right_xform = _right.global_transform
+		net_heartbeat += 1
+	else:
+		_avatar_head.global_transform = head_xform
+		_avatar_left.global_transform = left_xform
+		_avatar_right.global_transform = right_xform