From: TheSaminator <TheSaminator@users.noreply.github.com>
Date: Thu, 16 Jun 2022 17:34:35 +0000 (-0400)
Subject: Fix weighted random
X-Git-Url: https://gitweb.starshipfights.net/?a=commitdiff_plain;h=8eeb38bd38ff254f4963ab15cff936f9f0072522;p=starship-fights

Fix weighted random
---

diff --git a/src/commonMain/kotlin/net/starshipfights/game/ai/util.kt b/src/commonMain/kotlin/net/starshipfights/game/ai/util.kt
index 6d01dd4..1dac884 100644
--- a/src/commonMain/kotlin/net/starshipfights/game/ai/util.kt
+++ b/src/commonMain/kotlin/net/starshipfights/game/ai/util.kt
@@ -27,6 +27,7 @@ fun <T : Any> Map<T, Double>.weightedRandomOrNull(random: Random = Random): T? {
 	if (values.none { it >= EPSILON }) return null
 	
 	val total = values.sum()
+	if (total < EPSILON) return null
 	
 	var hasChoice = false
 	var choice = random.nextDouble(total)