gauvainboiche
21 lines
787 B
JavaScript
21 lines
787 B
JavaScript
/**
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* One world seed per epoch-relative period.
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* slot = floor((nowSec - epochSec) / rotationSeconds).
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* Changing timing config resets epochSec, which resets the slot to 0.
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*/
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export function computeWorldSeedState(rotationSeconds, epochSec) {
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const rot = Math.max(1, Math.floor(rotationSeconds));
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const epoch = Math.max(0, Math.floor(epochSec));
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const nowSec = Math.floor(Date.now() / 1000);
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const elapsed = Math.max(0, nowSec - epoch);
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const slot = Math.floor(elapsed / rot);
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const periodStart = epoch + slot * rot;
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const periodEnd = periodStart + rot;
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return {
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worldSeed: `swg-${epoch}-${slot}`,
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seedSlot: slot,
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seedPeriodEndsAtUtc: new Date(periodEnd * 1000).toISOString(),
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seedPeriodStartsAtUtc: new Date(periodStart * 1000).toISOString(),
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};
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}
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