spaceship/tests/test_logistics_hull_identity.gd

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extends SceneTree
# A logistics vessel is ONE vessel, so it looks the same wherever it is drawn.
#
# #216 made transporters and repair drones fly out from the mothership as
# ordinary vessel deliveries. A delivery draws the hull off the vessel
# DEFINITION; the stationed nodes each drew a copy written into their own
# script. The copies had drifted - the transporter's definition declared no
# hull at all, so one in flight was an empty polygon, and the drone's two
# shapes differed by a couple of units - which is why a transporter changed
# shape the moment it was assigned.
#
# Covers:
# A. every vessel that can be delivered declares a hull to be drawn by
# B. the stationed node draws that same hull, not a second copy
# C. and the colours agree, so it does not change livery either
const DELIVERABLE: Array = ["transporter", "repair_drone"]
func _initialize() -> void:
var definitions: Script = load("res://vessels/VesselDefinitions.gd")
var nodes: Dictionary = {
"transporter": load("res://logistics/Transporter.gd"),
"repair_drone": load("res://logistics/RepairDrone.gd"),
}
for vessel_type in DELIVERABLE:
var definition: Resource = definitions.get_definition(vessel_type)
if definition == null:
return _fail("no definition for '%s'" % vessel_type)
# --- A. there is a hull at all -------------------------------
# An empty one is not a small bug: VesselDelivery draws exactly this,
# so a vessel with no hull is invisible for the whole flight.
if definition.hull_points.is_empty():
return _fail("'%s' declares no hull, so it is invisible in flight" % vessel_type)
# --- B. and the stationed node draws that one ----------------
var node: Node2D = nodes[vessel_type].new()
root.add_child(node)
var drawn: PackedVector2Array = node._hull()
node.free()
if drawn != definition.hull_points:
return _fail("'%s' is drawn as %s at its post and %s in flight" \
% [vessel_type, drawn, definition.hull_points])
# --- C. same livery too ---------------------------------------
var node_colour: Color = nodes[vessel_type].HULL_COLOR
var definition_colour: Color = definition.glow_color
if not is_equal_approx(node_colour.r, definition_colour.r) \
or not is_equal_approx(node_colour.g, definition_colour.g) \
or not is_equal_approx(node_colour.b, definition_colour.b):
return _fail("'%s' is %s at its post and %s in flight" \
% [vessel_type, node_colour, definition_colour])
print("%s: one hull of %d points, one colour, both places" \
% [vessel_type, definition.hull_points.size()])
print("TEST_LOGISTICS_HULL_IDENTITY: PASS")
quit(0)
func _fail(message: String) -> void:
print("TEST_LOGISTICS_HULL_IDENTITY: FAIL (%s)" % message)
quit(1)