feat(snap-points): add SnapPoints to all EG rooms (Reception, GiftShop, Restaurant, EmergencyRoom)

test/unit/test_snap_points_floor0.gd

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+## Tests verifying SnapPoints exist in all EG (Erdgeschoss) room scenes.
+extends GutTest
+
+
+func _count_snaps(room: Node2D) -> int:
+	var count: int = 0
+	for child: Node in room.get_children():
+		if child is SnapPoint:
+			count += 1
+	return count
+
+
+func _count_snaps_with_pose(room: Node2D, pose: String) -> int:
+	var count: int = 0
+	for child: Node in room.get_children():
+		var snap: SnapPoint = child as SnapPoint
+		if snap != null and snap.pose == pose:
+			count += 1
+	return count
+
+
+func test_reception_has_four_snap_points() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/Reception.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps(room), 4)
+
+
+func test_reception_all_snaps_are_sitting() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/Reception.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps_with_pose(room, "sitting"), 4)
+
+
+func test_giftshop_has_one_snap_point() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/GiftShop.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps(room), 1)
+
+
+func test_giftshop_snap_is_sitting() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/GiftShop.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps_with_pose(room, "sitting"), 1)
+
+
+func test_restaurant_has_six_snap_points() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/Restaurant.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps(room), 6)
+
+
+func test_restaurant_all_snaps_are_sitting() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/Restaurant.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps_with_pose(room, "sitting"), 6)
+
+
+func test_emergency_room_has_one_snap_point() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/EmergencyRoom.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps(room), 1)
+
+
+func test_emergency_room_snap_is_lying() -> void:
+	var room: Node2D = preload("res://scenes/rooms/floor0/EmergencyRoom.tscn").instantiate() as Node2D
+	add_child_autofree(room)
+	assert_eq(_count_snaps_with_pose(room, "lying"), 1)