Add VRSpectatorCamera so the server viewport follows VR head

Scenes/multiPlayer.tscn

@@ -6,9 +6,9 @@
 [ext_resource type="Sky" uid="uid://c1abtpwhdm2d5" path="res://textures/sky/NightSkyHDRI009_16K.tres" id="5_c3xgf"]
 [ext_resource type="Script" uid="uid://fyd2rjramhbb" path="res://prefabs/kitchen_instantiator.gd" id="6_pw2j5"]
 [ext_resource type="PackedScene" uid="uid://damrxtlt7uswf" path="res://content/station_layouts/small_line.tscn" id="7_0sjqq"]
-[ext_resource type="PackedScene" uid="uid://j7caslh27nor" path="res://stations/Hob_old.tscn" id="8_0sjqq"]
 [ext_resource type="PackedScene" uid="uid://dm70ynyuw1a5u" path="res://prefabs/day_controller.tscn" id="9_5wx0o"]
 [ext_resource type="PackedScene" uid="uid://bnwb7imcotkod" path="res://prefabs/build_mode_controller.tscn" id="10_464r1"]
+[ext_resource type="Script" uid="uid://c4y0yigqv7355" path="res://test/vr_spectator_camera.gd" id="11_5wx0o"]
 [ext_resource type="PackedScene" uid="uid://dxe05wp60jg3l" path="res://scenes/queue_controller.tscn" id="11_de1dy"]
 [ext_resource type="Script" uid="uid://biu4qr3nr1eny" path="res://test/mp_test_driver.gd" id="99_mptst"]
 
@@ -31,6 +31,9 @@ sdfgi_enabled = true
 [sub_resource type="BoxShape3D" id="BoxShape3D_arao0"]
 size = Vector3(15, 20, 0.1)
 
+[sub_resource type="Resource" id="Resource_464r1"]
+metadata/__load_path__ = "res://stations/Hob_old.tscn"
+
 [node name="Main" type="Node3D" unique_id=1312265607 node_paths=PackedStringArray("items_spawner", "players_spawner")]
 script = ExtResource("1_kdan8")
 items_spawner = NodePath("ItemsSpawner")
@@ -63,7 +66,7 @@ environment = SubResource("Environment_bvwq1")
 spawn_path = NodePath("../WorldContent")
 
 [node name="PlayersSpawner" type="MultiplayerSpawner" parent="." unique_id=106645565]
-_spawnable_scenes = PackedStringArray("res://Player/net_player.tscn")
+_spawnable_scenes = PackedStringArray("uid://c58ns7csdahjy")
 spawn_path = NodePath("../Players")
 
 [node name="StaticBody3D" type="StaticBody3D" parent="." unique_id=4404969]
@@ -91,7 +94,7 @@ script = ExtResource("99_mptst")
 transform = Transform3D(1, 0, -1.7484555e-07, 0, 1, 0, 1.7484555e-07, 0, 1, 0, 0, -1.2)
 script = ExtResource("6_pw2j5")
 kitchen_scene = ExtResource("7_0sjqq")
-hob_scene = ExtResource("8_0sjqq")
+hob_scene = SubResource("Resource_464r1")
 
 [node name="DayController" parent="." unique_id=1418639156 instance=ExtResource("9_5wx0o")]
 
@@ -99,3 +102,6 @@ hob_scene = ExtResource("8_0sjqq")
 
 [node name="QueueController" parent="." unique_id=326512876 instance=ExtResource("11_de1dy")]
 transform = Transform3D(-1, 0, -8.742278e-08, 0, 1, 0, 8.742278e-08, 0, -1, 0, 0, 7.2000003)
+
+[node name="Node3D" type="Node3D" parent="." unique_id=1675081068]
+script = ExtResource("11_5wx0o")

test/vr_spectator_camera.gd

@@ -0,0 +1,40 @@
+class_name VrSpectatorCamera
+extends Node
+
+# Debug tool: on a non-VR client, follows a connected VR client's head so you can spectate it.
+
+@export var players_path: NodePath = ^"../Players"
+
+@onready var _players: Node = get_node_or_null(players_path)
+var _camera: Camera3D
+
+
+func _ready() -> void:
+	var xr_interface := XRServer.find_interface("OpenXR")
+	if xr_interface and xr_interface.is_initialized():
+		SweetLogger.warning("{0} disabled - this instance is the VR client", [name])
+		return
+	if not _players:
+		SweetLogger.warning("{0} could not resolve players_path {1}", [name, players_path])
+		return
+	_camera = Camera3D.new()
+	add_child(_camera)
+	_camera.make_current()
+
+
+func _process(_delta: float) -> void:
+	if not _camera:
+		return
+	var head := _find_remote_head()
+	if head:
+		_camera.global_transform = head.global_transform
+
+
+# First connected player that isn't this local peer
+func _find_remote_head() -> Node3D:
+	var my_id := multiplayer.get_unique_id()
+	for player in _players.get_children():
+		if player.name == str(my_id):
+			continue
+		return player.get_node_or_null("Head")
+	return null

test/vr_spectator_camera.gd.uid

@@ -0,0 +1 @@
+uid://c4y0yigqv7355

test/vr_spectator_camera.tscn

@@ -0,0 +1,6 @@
+[gd_scene format=3 uid="uid://3i1xb74cfsh5"]
+
+[ext_resource type="Script" uid="uid://c4y0yigqv7355" path="res://test/vr_spectator_camera.gd" id="1_6xorv"]
+
+[node name="VRSpectatorCamera" type="Node" unique_id=310823561]
+script = ExtResource("1_6xorv")