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Fix the stop stutter, and hide unresearched buildings from the menu

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Forgejo #13: releasing the stick paused, then moved again before
settling. stop() aims each ship at a braking point ahead of it, but the
ship's own velocity was ~0 - the anchor had been carrying it - so it
started from REST, accelerated into its own stopping distance, and
halted a second time. Measured: 0 -> 45 -> 90 -> 135 -> 180 -> brake.
stop() now hands the fleet's motion to the ship, so the release is one
continuous decelerating coast (222 -> 0) to the identical endpoint.
test_joystick_control now asserts the speed one frame after release is a
real fraction of cruise, and never rises afterwards.

Forgejo #21: unresearched structures are no longer listed greyed out.
They are hidden, and the menu repacks around what is left - a fixed grid
with entries hidden would otherwise leave holes where they used to be.
An entry alone on its row is centred rather than hanging in the left
column. Researched-but-not-usable is still shown greyed: an extractor
with no planet under the fleet is "not now", not "not yet".

This reverses a documented decision (the old comment argued that always
listing everything stops the player wondering whether the game has it at
all), so test_skill_tree's matching assertion was updated from
greyed-but-listed to hidden. The gate itself is unchanged and still
refuses a build forced past the menu.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Loïc Wisniewski 2026-08-11 21:38:17 +02:00
commit 0e071877e2
6 changed files with 261 additions and 18 deletions
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8
Fleet.gd
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@ -168,6 +168,14 @@ func stop() -> void:
# enough that ships always lag and always report motion, which is
# the only reason releasing the stick looked right.
var motion: Vector2 = ship.velocity + ship.fleet_velocity
# HAND THE FLEET'S MOTION TO THE SHIP. Until now the anchor was
# carrying it along and its own `velocity` was ~0, so aiming it at a
# braking point ahead made it start from REST: the fleet stopped
# dead, then accelerated into its own stopping distance and halted a
# second time. That is the "pause, then it moves again" stutter.
# Giving it the velocity it was actually travelling at makes the
# stop one continuous decelerating coast.
ship.velocity = motion
# Context that is no longer true: the fleet is not cruising any
# more, so leaving it set would have Ship face a heading it is not
# travelling on.