The server is now a gateway that starts SIM_SHARDS shard processes
(`sim shard --index I --count N ...`), each with its own database from
the SHARD_DATABASE_URL template. The gateway steps all shards in
lockstep over a /control WebSocket, publishes the entity directory and
market board between steps, merges the shards' views into one world
for the UI and routes edits to the shards they concern.
Shards send entity messages and transfers to each other directly over
/remote WebSockets; every step waits until its outgoing messages are
accepted, so nothing is in flight when the next step starts or a
snapshot is taken. Shard processes exit when the gateway goes away.
Update Picard to f88b9cb and register every other shard as a console
peer `shard-N`, so one console session can list, inspect, manage and
message the actors of all shards.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Add a router that delivers actor messages locally or to the shard that
currently hosts the entity. People and animals that leave their shard's
columns depart with their full state, forward messages while in flight
and are re-admitted on the destination shard. Enlarge the default world.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Update Picard and forward console/serde features, serialize actor messages, and route console requests through the simulation thread.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
- Replace signed coordinate round-trips with checked offset helpers
- Use From/try_from conversions and clamp helpers in the edit parser
- Isolate exact RNG, noise and day-fraction float casts in documented helpers
- Split long functions (validate, world creation, apply, state_json, tick_person)
- Pass run_sim shared state by reference and tidy remaining style lints
Simulation behaviour and RNG sequences are unchanged.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Starting values and tuning constants are now `pub const` items in a
single Rune file, config.rn, alongside the `person`, `rabbit` and `wolf`
behaviour functions. The behaviours read the constants directly. At
startup the server loads the file from SIM_CONFIG (default: config.rn),
reads and checks every constant, and test-runs each behaviour, so a bad
or missing value stops startup with an error that names it.
- Map width and height can now be configured and are stored in
snapshots.
- The UI's edit limits (max speed, stock, inventory, hunger, energy,
resource amounts) come from the config.
- The in-browser script editor now edits config.rn. Applied edits update
behaviours and tuning values immediately; map size, initial population
and calendar defaults apply on reset.
- The Docker image includes config.rn, and Compose mounts the
repository's copy read-only.
- Documents the config file and how it works in the README.
BREAKING CHANGE: src/behavior.rn has been removed; behaviours now live
in config.rn. The server will not start without a valid config file.
Snapshots no longer store the behaviour script: on restart, config.rn
from disk replaces any edits made in the browser editor.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Enable Picard's stats and tracing features, publish actor counters to the UI, and initialize configurable tracing output.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Steve Biedermann