ludic/packages/ludic.needs/queries.ludic
Orkuncakilkaya cf42214974 ludic.needs: a body's four needs, their rates, meals and the countdown to a collapse as a fact
Warmth, food, water and energy as bars of 0..100; what an hour of doing something
costs them (the package's rates: a full bar is a day at a trip's median); the
countdown when one runs out, reported as NEEDS_CRITICAL / NEEDS_RESTORED /
NEEDS_COLLAPSED facts. The body's work, the air, clothing, the sun, the
difficulty and the effects come through the NeedsWorld port. Its own save
section. Uses ludic_base only; 13 tests.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-25 06:03:57 +03:00

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# queries.ludic - what the world asks the body
export function needs_level(k: int) -> float {
if not nd_ok(k) { return 0.0 }
return nd_lv()[k]
}
export function needs_warmth() -> float { return nd_lv()[NEED_WARMTH] }
export function needs_food() -> float { return nd_lv()[NEED_FOOD] }
export function needs_water() -> float { return nd_lv()[NEED_WATER] }
export function needs_energy() -> float { return nd_lv()[NEED_ENERGY] }
# seconds left before a collapse (0: no countdown), and the need it is for
export function needs_last_legs() -> float { return nd_legs }
export function needs_last_need() -> int { return nd_last }
export function needs_collapses() -> int { return nd_collapses }
# the walk's pace, times: the ramp of each need, and 0.6 more on last legs
export function needs_pace() -> float {
let lv = nd_lv()
var m = nd_pace(lv[NEED_WARMTH]) * nd_pace(lv[NEED_FOOD])
if NeedsWorld.thirst() { m = m * nd_pace(lv[NEED_WATER]) }
if nd_legs > 0.0 { m = m * 0.6 }
return m
}
# running needs legs, calories and a body that is not already in trouble
export function needs_can_run() -> bool {
let lv = nd_lv()
return lv[NEED_ENERGY] > 8.0 and lv[NEED_FOOD] > 20.0 and lv[NEED_WARMTH] > 20.0 and lv[NEED_WATER] > 20.0
}
# the lowest of the four
export function needs_lowest() -> float {
let lv = nd_lv()
return Math.min(Math.min(lv[NEED_WARMTH], lv[NEED_FOOD]), Math.min(lv[NEED_WATER], lv[NEED_ENERGY]))
}