Eight windows per room and random zombie entry from different windows

tools/test_office_uv.gd

@@ -8,7 +8,10 @@ func run_test() -> void:
 	var world = load("res://scenes/main.tscn").instantiate()
 	root.add_child(world)
 	var surfaces = get_nodes_in_group("office_surfaces")
-	assert(surfaces.size() == 17) # sixteen wall segments + ceiling
+	# Muri: per ogni muro (aperture+1) pezzi pieni, piu' davanzale e architrave per
+	# ogni apertura; poi il soffitto. Il numero si ricava dalle costanti della stanza.
+	var per_wall: int = (RoomScript.WINDOWS_PER_WALL + 1) + 2 * RoomScript.WINDOWS_PER_WALL
+	assert(surfaces.size() == 4 * per_wall + 1) # quattro muri + soffitto
 	for surface in surfaces:
 		assert(surface.mesh is ArrayMesh)
 		var mat = surface.mesh.surface_get_material(0)
@@ -16,7 +19,7 @@ func run_test() -> void:
 		assert(mat.albedo_texture.resource_path.contains("/office/"))
 		var arrays = surface.mesh.surface_get_arrays(0)
 		assert(arrays[Mesh.ARRAY_TEX_UV].size() == arrays[Mesh.ARRAY_VERTEX].size())
-	print("PASS: 17 superfici con UV esplicite e texture office originali")
+	print("PASS: %d superfici con UV esplicite e texture office originali (%d per muro)" % [surfaces.size(), per_wall])
 	var north := Vector3(0, 2.5, -9.15)
 	var low := Vector3(0, 0.75, -9.15)
 	var high := Vector3(0, 4.25, -9.15)