ludic/packages/ludic.tracks/system.ludic
Orkuncakilkaya 71735b10a2 feat(base): 0.R4 - a queue keeps its own count, so every package verb takes only its own state; ludic migrate state --prune
ludic.base's Queue<T> carries a QueueTag (its name and pending count): queue_new(name), q_push(q, v),
q_drain(q), q_clear(q) take no BaseState, and core_undrained(tags) names the given queues still holding
facts. A reducer on a package's state can now call that package's verbs (wallet_earn(wallet_st, n)).

ludic migrate state --prune (ludicc --migrate-prune) takes out each state parameter a function no
longer uses, nor anything it calls, and the argument that fills it - including an argument for a
parameter the callee has dropped, which is taken out before the call is checked, so a generic's T is
told by the argument that says it. A reducer keeps its state. --dry-run now counts the edits it would
make. Every package was moved with it: 608 base_st parameters and their arguments, 1889 edits.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-26 04:19:56 +03:00

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# system.ludic - the reader as a system: what has been read and the last bearing are saved; the
# prints themselves are the ground's and are not (the animals leave new ones)
export function tracks_reset(tracks_st: mut TracksState) -> void {
tracks_st.tk_read_n = 0
tracks_st.tk_yaw = 0.0
tracks_st.tk_has_yaw = false
q_clear(tracks_reads(tracks_st))
}
export function tracks_save(tracks_st: TracksState) -> Val {
let v = Value.object()
sv_put_int(v, "read", tracks_st.tk_read_n)
sv_put_bool(v, "has_yaw", tracks_st.tk_has_yaw)
sv_put_float(v, "yaw", tracks_st.tk_yaw)
return v
}
export function tracks_load(tracks_st: mut TracksState, v: Val, version: int) -> void {
tracks_reset(tracks_st)
tracks_st.tk_read_n = sv_int(v, "read", 0)
tracks_st.tk_has_yaw = sv_bool(v, "has_yaw", false)
tracks_st.tk_yaw = sv_float(v, "yaw", 0.0)
}
export function tracks_system() -> System {
let s = system_new("tracks", PH_SIMULATE)
s.reset = fn tracks_reset
s.save = fn tracks_save
s.load = fn tracks_load
return s
}