The Cove's wreck: driftwood and salt on the beach, the captain's sea chest (a treasure map, nails, salt; once each), each player's own X on the map; online too

tests/test_wreck.gd

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+extends SceneTree
+## 0.6.0 (docs/WORLDLETS_DESIGN.md §5): the Cove's wreck and the treasure map.
+## The wreck is on the Cove's beach (and not in the Valley); driftwood and
+## salt wash up on the sand; the captain's sea chest gives each player a
+## treasure map, nails and salt, once; the map's X is that player's own (and
+## somewhere else for the next player); reading the map tells you, and the X
+## is on your N map while you carry it; who's had their share is saved.
+## Run: godot --headless --path . --script res://tests/test_wreck.gd
+
+var _fails := 0
+var _finished := false
+var S: Node
+var A: Node
+var _toasts: Array[String] = []
+
+func check(cond: bool, what: String) -> void:
+	print(("  ok   " if cond else "  FAIL ") + what)
+	if not cond:
+		_fails += 1
+
+func _initialize() -> void:
+	_run.call_deferred()
+
+func _run() -> void:
+	S = root.get_node("Saves")
+	A = root.get_node("Actions")
+	A.notify.connect(func(t): _toasts.append(t))
+	S.root_dir = "user://test_wreck_worlds"
+	for w in S.list_worlds():
+		S.delete_world(w.id)
+	await _body()
+	check(_finished, "test ran to the end (no script errors)")
+	for w in S.list_worlds():
+		S.delete_world(w.id)
+	DirAccess.remove_absolute(S.root_dir)
+	print("RESULT: %s (%d failures)" % ["PASS" if _fails == 0 else "FAIL", _fails])
+	quit(1 if _fails > 0 else 0)
+
+func _load() -> Node3D:
+	var w: Node3D = load("res://scenes/world.tscn").instantiate()
+	root.add_child(w)
+	for _i in range(8):
+		await physics_frame
+	w.creatures.enabled = false
+	w.player.set_physics_process(false)
+	w.player.survival.set_process(false)
+	return w
+
+func _drop(w: Node3D) -> void:
+	w.queue_free()
+	for _i in range(3):
+		await process_frame
+
+func _body() -> void:
+	print("the Valley")
+	S.current_id = S.create_world("Valley", 1337)
+	var w: Node3D = await _load()
+	check(w.wreck == null, "no wreck in the Valley")
+	check(not w.props.pickups.values().any(func(p): return p.item_id == "driftwood"), "and no driftwood")
+	await _drop(w)
+
+	print("the wreck")
+	S.current_id = S.create_world("Cove", 1337, {"worldlet": "cove"})
+	w = await _load()
+	var t: Node3D = w.terrain
+	var wk: Node3D = w.wreck
+	check(wk != null and t.beach_weight(wk.global_position.x, wk.global_position.z) > 0.5, "a wreck on the Cove's beach")
+	if wk == null:
+		return
+	check(wk.global_position.distance_to(w.sea_cave.global_position) > 60.0, "at the far end of the bay from the sea cave (%.0f m)" % wk.global_position.distance_to(w.sea_cave.global_position))
+	check(w.water_at(wk.front.x, wk.front.z).is_empty() or float(w.water_at(wk.front.x, wk.front.z).depth) < 0.6, "you can stand beside it to reach the chest")
+	var drift: Array = w.props.pickups.values().filter(func(p): return p.item_id == "driftwood")
+	check(drift.size() >= 20 and drift.all(func(p): return t.beach_weight(p.global_position.x, p.global_position.z) > 0.5),
+		"driftwood along the sand (%d)" % drift.size())
+	check(w.props.pickups.values().any(func(p): return p.item_id == "salt"), "and salt crusts by the waterline")
+
+	print("the captain's sea chest")
+	var p: Node3D = w.player
+	var me: String = w.my_id()
+	p.global_position = wk.front
+	check(wk.chest.interact_prompt(p).begins_with("[E] Open"), "[E] Open the captain's sea chest")
+	wk.chest.interact(p)
+	check(p.inventory.count("treasure_map") == 1 and p.inventory.count("nails") >= 4 and p.inventory.count("salt") >= 2,
+		"a torn treasure map, nails and salt")
+	check(_toasts.any(func(s): return String(s).begins_with("In the captain's sea chest")), "(and it says so)")
+	_toasts.clear()
+	wk.chest.interact(p)
+	check(p.inventory.count("treasure_map") == 1 and _toasts.has("The sea chest's empty: you've had what was in it"), "once: the second time it's empty")
+	check(wk.open_for(p, "someone-else"), "someone else gets their own share")
+	p.inventory.remove("treasure_map", 1)   # (it went in this bag: theirs, not ours)
+
+	print("the map")
+	var x: Vector3 = w.treasure_spot(me)
+	check(x != Vector3.INF and t.inside_boundary(x.x, x.z, 10.0) and x.y > t.water_level + 1.5, "your X: dry ground in the hills (%s)" % x)
+	var others := 0
+	for i in range(8):
+		if w.treasure_spot("player-%d" % i).distance_to(x) > 20.0:
+			others += 1
+	check(others >= 5, "and other players' X are mostly somewhere else (%d of 8)" % others)
+	check(w.treasure_spot(me) == x, "(the same every time for you)")
+	check(w.map_marks().any(func(m): return m.kind == "treasure" and m.pos == x), "on your map while you carry it, even where you haven't been")
+	_toasts.clear()
+	w.read_map(p)
+	check(_toasts.any(func(s): return String(s).begins_with("X marks the spot")), "reading it: X marks the spot")
+	p.inventory.remove("treasure_map", 1)
+	check(not w.map_marks().any(func(m): return m.kind == "treasure"), "(no map, no X)")
+	p.inventory.add("treasure_map", 1)
+	w.explore(wk.global_position)
+	check(w.map_marks().any(func(m): return m.kind == "wreck"), "the wreck's on the map once you've seen it")
+
+	print("saved")
+	w.save_now()
+	await _drop(w)
+	w = await _load()
+	check(w.wreck.had(me) and w.wreck.had("someone-else") and not w.wreck.had("a-stranger"), "who's had their share is kept")
+	await _drop(w)
+	_finished = true