Laying out a graph by hand mostly means lining nodes up, so the
magnet was switched on in nearly every session. Every graph tab now
starts with it lit: Behavior, State machine, Shader, Particles,
Sound FX, Instrument, the song's Routing and the Routing tab.
- SnapToggle takes the state it starts in and lights its button to
match. GRAPH_SNAPS_AT_FIRST sets it for the toggles and for
GraphCanvas alike, so button and canvas cannot disagree.
- Curve and Vector Art are no graphs and still start without it.
- New hook __gm.graphSnapping(on?) reads every graph tab's magnet,
or "mixed" where button and canvas differ, and switches them all.
- The e2e harness reads the magnets after each navigate() and then
switches them off, as it already sets the zoom transition to 0.
Most checks drag a node to an exact spot. e2e 45 does the same
itself, because the editor comes up there through the sign-in.
- e2e 06 checks that all eight graph tabs started with the magnet on.
The checks in 06, 26 and 65 that read it off now say they read
what the harness left.
Tests:
- Unit snap-toggle: 4 tests, 1 new (lit at first, nothing asked of
the target before a click).
- e2e 06 (melektaus-atx): 150 checks, 1 new. e2e 34: 134 checks.
- Gate (melektaus-atx, together with #390): 287 files, 4397 tests.
- Pictures looked at: none, the state comes from the hook.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A project bus could only go into one other bus, and a sound, an
instrument, a pattern or a song into exactly one bus. A shared reverb
needs a sound to go there in part and on dry at the same time. Instead
of a list of sends on every asset, the project gets one routing graph
like the routing of a song (#350), one level up.
- Menu -> Master routing opens a tab with one graph per project. It has
a node per sound, instrument, pattern, song and bus, named after its
asset, and one Master. Embedded assets have none, their song routes
them.
- The nodes follow the assets. Every edit settles the routing in the
same undo step (KeepRoutingCommand), so an undone delete brings the
links of its asset back. A new asset gets a node and a link to the
master. What went only into a deleted bus goes to the master.
- New nodes start in three columns: what plays, the buses, and the
master a row above, so no link into it runs behind a bus.
- Links are sends: -60 to +12 dB, and a Mode on links out of a bus or a
song. Out of a sound, an instrument or a pattern a link always takes
the sound after its volume and FX. Loops are refused.
- A node without a link is silent and says "Goes nowhere".
- The rows Bus and Into are gone. Play nodes with a picked bus still
overrule the routing.
- A click on a node shows its asset in the inspector, the Master shows
the master volume and sound FX. A double click opens the asset's tab.
- The graph lives in project.routing and is held to the assets when a
project is read, but nothing is added there. The editor adds the
nodes when it opens a project. An asset without a node plays on the
master, so old projects sound as before without a migration.
- In the mix an asset with one link at 0 dB goes straight into that bus.
A sound or instrument with more gets a bus of its own with the sends.
A pattern or song sends from the master of its playing, which is
where its Mode taps. Buses of the mix can have sends now too.
Found:
- The check "the scheduler plans a looped bar" in e2e 34 wobbles. It
failed in 2 of 5 runs here and in CI task 580 at 490fcba, before
this change. HEAD passed it 2 of 2. Not fixed here.
Tests:
- Unit master-routing (new, 10), sound-library (2 new), buses
rewritten onto the routing, 5 lists without the Bus row. 5 counter
checks red.
- e2e 34 (melektaus-atx): ALL PASSED, 93 checks (3 new, 2 rewritten).
Counter check with the Sound tab ignoring the routing: the routing
check red.
- Gate (melektaus-atx): CHECK EXIT 0, 273 files, 4225 tests.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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