22 lines
644 B
TypeScript
22 lines
644 B
TypeScript
// It should roll when:
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// - We're going from 1 to 0 (roll backwards)
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// - The count is anywhere between 1 and 999
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// - The count is going up and is a multiple of 100
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// - The count is going down and is 1 less than a multiple of 100
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export function decideShouldRoll(isSet: boolean, count: number) {
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let shouldRoll = false
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if (!isSet && count === 1) {
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shouldRoll = true
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} else if (count > 1 && count < 1000) {
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shouldRoll = true
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} else if (count > 0) {
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const mod = count % 100
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if (isSet && mod === 0) {
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shouldRoll = true
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} else if (!isSet && mod === 99) {
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shouldRoll = true
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}
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}
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return shouldRoll
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}
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