spaceship/buildings/WorkshopBuildingDefinition.tres
Loïc Wisniewski 1ece202731 #138: structures and doctrines cost more than rocks, and more the deeper they are
Both halves of the ticket, in the shape vessels have used since gas bombers
and laser ships: a definition carries an ore figure and, when it wants more
than ore, a dictionary that IS the price. `building_costs()` and
`skill_costs()` answer it the way `product_costs()` already did, so there is
one question with one answer whatever is being bought, and every payment
path now goes through `spend_resources` rather than `spend`.

Seven of ten structures and thirteen of seventeen doctrines now want gas,
energy or dark matter alongside their rocks, and the totals climb with tree
depth - structures 16/31/58/62/96 by depth, doctrines 15/30/73/96/143/258/530.

The constraint that shaped the table is REACHABILITY, and it is the reason
some prices stayed ore-only. Energy exists only where a gas burner stands,
and a gas burner needs Power Systems - so nothing at or before that depth
may be priced in energy, or it is a wall with no way through. Dark matter is
rarer still and appears once, on the deepest node in the game. The extractor
stays rocks-only despite its depth allowing gas, because the quest chain
reaches it before it has sent the player for any.

test_progressive_costs checks those as properties rather than transcribing
the numbers, so rebalancing a price costs nothing while breaking the shape
fails: nothing unreachable at its own depth, prices rising with depth, the
ore field agreeing with the dictionary (repairs quote the field alone, since
a repair drone carries ore and nothing else), and the quest chain never
asking for a structure it has not funded.

Two things cleaned up on the way:

- The per-building cost constants in GameState are gone. Nothing but tests
  used them, and they were a second copy of a number the definitions already
  hold - exactly what would drift once a price gained a resource.
- research_for_building() returns a display NAME, and the id-keyed half of
  the tree wants an id. That mix-up is silent - skill_depth() of a name finds
  no node and answers 0, so a deep structure reads as an ungated one, which
  is how the first draft of the test let an unreachable price through.
  research_node_for_building() is the id, and the name is expressed from it.

PriceTag no longer rebuilds its labels when re-told the same price; it
refreshes the held figures instead. The craft menu re-states prices every
frame and the build menu now does too, so that was a dozen Labels being torn
down and rebuilt sixty times a second.
2026-08-28 15:30:30 +02:00

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[gd_resource type="Resource" script_class="BuildingDefinition" load_steps=3 format=3]
[ext_resource type="Script" path="res://buildings/BuildingDefinition.gd" id="1"]
[ext_resource type="PackedScene" path="res://buildings/WorkshopBuildingVisual.tscn" id="2"]
[resource]
script = ExtResource("1")
definition_id = "spacial_workshop"
display_name = "Spacial Workshop"
description = "Sends repair drones out to damaged structures. Repairs cost ore in proportion to the damage, delivered here by hub transporters."
cost = 50
build_resource_costs = {"ore": 50, "gas": 28, "energy": 18}
action_icon = 42
menu_icon = 42
visual_scene = ExtResource("2")
capabilities = PackedStringArray("repair")
map_color = Color(0.5, 0.95, 0.8, 1)
map_sides = 5
map_radius = 7.0
menu_button_name = "WorkshopButton"
menu_label_name = "WorkshopLabel"
menu_cost_name = "WorkshopCost"
max_hp = 70