Janis
afde6c02da
Reviewed-on: #34 Co-authored-by: Janis <janis.e.20@gmx.de> Co-committed-by: Janis <janis.e.20@gmx.de>
30 lines
735 B
Scala
30 lines
735 B
Scala
package util
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import scala.util.Random
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object GameUtil {
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private val CharPool: String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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private val CodeLength: Int = 6
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private val MaxRepetition: Int = 2
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private val random = new Random()
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def generateCode(): String = {
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val freq = Array.fill(CharPool.length)(0)
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val code = new StringBuilder(CodeLength)
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for (_ <- 0 until CodeLength) {
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var index = random.nextInt(CharPool.length)
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// Pick a new character if it's already used twice
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while (freq(index) >= MaxRepetition) {
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index = random.nextInt(CharPool.length)
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}
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freq(index) += 1
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code.append(CharPool.charAt(index))
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}
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code.toString()
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}
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}
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