102 lines
2.9 KiB
Text
102 lines
2.9 KiB
Text
# rail.ludic - the rail: once a pass (a second by default) the most urgent true cards, up to a few,
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# muted ones left out; in a tie the registry's order decides
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var hn_shown: int = 3 # how many the rail holds
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var hn_every: float = 1.0 # seconds between passes
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var hn_top: []int = null # the cards on the rail this pass
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var hn_n: int = 0
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var hn_t: float = 0.0 # seconds to the next pass
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var hn_pick: int = 0 # which chip the key would open
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var hn_card: int = -1 # the card being read, or -1
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var hn_facts: Queue<HintsFact> = null
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export function hints_facts() -> Queue<HintsFact> {
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if hn_facts == null { hn_facts = queue_new("hints.facts") }
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return hn_facts
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}
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function hn_fact(what: int, card: int) -> void {
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let f = new HintsFact
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f.what = what
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f.card = card
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q_push(hints_facts(), f)
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}
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# how many the rail holds and how often it is sorted
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export function hints_config(shown: int, every: float) -> void {
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hn_shown = shown
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hn_every = every
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hn_top = null
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}
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function hn_ensure() -> void {
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if hn_top == null or len(hn_top) != hn_shown {
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hn_top = new []int
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for i in 0 .. hn_shown { push(hn_top, -1) }
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}
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hn_mute_ensure()
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}
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# the next pass comes on the next tick rather than in a second
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export function hints_refresh() -> void { hn_t = 0.0 }
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export function hints_tick(dt: float) -> void {
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hn_ensure()
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hn_t = hn_t - dt
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if hn_t > 0.0 { return }
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hn_t = hn_every
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hints_sort()
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}
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# one pass now: the rail re-sorted, the pick kept in range, and the card following its subject
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# along the rail - or put down when what it was about stopped being true
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export function hints_sort() -> void {
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hn_ensure()
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hn_n = 0
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let on = HintsWorld.showing()
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for u in 0 .. 4 {
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let want = HINTS_URGENT - u
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for id in 0 .. HINT_COUNT {
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if not on or hn_n >= hn_shown { break }
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if Hints[id].urgency != want or hints_muted(id) { continue }
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if not HintsWorld.true_now(id) { continue }
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hn_top[hn_n] = id
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hn_n += 1
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}
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}
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if hn_pick >= hn_n { hn_pick = 0 }
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if hn_card < 0 { return }
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if not on or hints_muted(hn_card) or not HintsWorld.true_now(hn_card) {
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hn_card = -1
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return
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}
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for k in 0 .. hn_n { if hn_top[k] == hn_card { hn_pick = k } }
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}
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# the cards on the rail, most urgent first (empty while the rail is not showing)
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export function hints_rail() -> []int {
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hn_ensure()
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let out = new []int
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if not HintsWorld.showing() { return out }
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for k in 0 .. hn_n { push(out, hn_top[k]) }
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return out
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}
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export function hints_count() -> int { return hn_n }
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export function hints_at(k: int) -> int {
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if k < 0 or k >= hn_n { return -1 }
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return hn_top[k]
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}
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export function hints_pick() -> int { return hn_pick }
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export function hints_hot(k: int) -> bool { return k == hn_pick }
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export function hints_reset() -> void {
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hn_top = null
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hn_n = 0
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hn_t = 0.0
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hn_pick = 0
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hn_card = -1
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q_clear(hints_facts())
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}
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