From 5fa2e7be955da2f23bf9416677c595eb8f6e2dd8 Mon Sep 17 00:00:00 2001
From: EmperorPinguin <99119424+EmperorPinguin@users.noreply.github.com>
Date: Sat, 14 Dec 2024 17:13:43 +0100
Subject: [PATCH] Update NextTurnAutomation.kt (#12634)

---
 .../unciv/logic/automation/civilization/NextTurnAutomation.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/com/unciv/logic/automation/civilization/NextTurnAutomation.kt b/core/src/com/unciv/logic/automation/civilization/NextTurnAutomation.kt
index 290ea6ce40..3350baf5f2 100644
--- a/core/src/com/unciv/logic/automation/civilization/NextTurnAutomation.kt
+++ b/core/src/com/unciv/logic/automation/civilization/NextTurnAutomation.kt
@@ -277,7 +277,9 @@ object NextTurnAutomation {
             val costs = getGroupedResearchableTechs()
             if (costs.isEmpty()) return
 
-            val cheapestTechs = costs[0]
+            val cheapestTechs = costs.firstOrNull{
+                // Ignore rows where all techs have 0 weight
+                it.any { it.getWeightForAiDecision(stateForConditionals) > 0 } }?: costs.first()
             //Do not consider advanced techs if only one tech left in cheapest group
             val techToResearch: Technology =
                 if (cheapestTechs.size == 1 || costs.size == 1) {