78 lines
2.2 KiB
PHP
78 lines
2.2 KiB
PHP
<?php
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namespace sammo;
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final class CentennialAllStarGrowth
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{
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public const DEFAULT_GROWTH_YEARS = 15;
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public static function progress(
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int $startYear,
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int $year,
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int $month,
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int $growthYears = self::DEFAULT_GROWTH_YEARS
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): float {
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if ($growthYears <= 0) {
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throw new \InvalidArgumentException('growthYears must be positive');
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}
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if ($month < 1 || $month > 12) {
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throw new \InvalidArgumentException('month must be between 1 and 12');
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}
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$elapsedMonths = max(0, ($year - $startYear) * 12 + $month - 1);
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return min(1.0, $elapsedMonths / ($growthYears * 12));
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}
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public static function statFloor(int $target, int $minimum, float $progress): int
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{
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$progress = self::clampProgress($progress);
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if ($target <= $minimum) {
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return $target;
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}
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return min($target, (int) floor($minimum + ($target - $minimum) * $progress));
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}
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public static function dexFloor(int $target, float $progress): int
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{
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$progress = self::clampProgress($progress);
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return min($target, (int) floor($target * $progress * $progress));
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}
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/**
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* @return array{value:int, granted:int, delta:int}
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*/
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public static function advance(int $current, int $granted, int $floor): array
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{
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$delta = max(0, $floor - $current);
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return [
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'value' => $current + $delta,
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'granted' => max(0, $granted) + $delta,
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'delta' => $delta,
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];
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}
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/**
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* @return array{value:int, granted:int, organic:int}
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*/
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public static function replaceTarget(int $current, int $oldGranted, int $newFloor): array
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{
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$organic = max(0, $current - max(0, $oldGranted));
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$value = max($organic, $newFloor);
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return [
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'value' => $value,
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'granted' => $value - $organic,
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'organic' => $organic,
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];
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}
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public static function recordableValue(int $current, int $granted): int
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{
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return max(0, $current - max(0, $granted));
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}
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private static function clampProgress(float $progress): float
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{
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return max(0.0, min(1.0, $progress));
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}
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}
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