From 029ab965d1dec530a75075e800852b6271ea47c5 Mon Sep 17 00:00:00 2001
From: Duan Tao <duantao@live.cn>
Date: Thu, 9 May 2019 18:28:11 +0800
Subject: [PATCH] Legalism checks replaced culture building correctly.

---
 core/src/com/unciv/logic/city/CityConstructions.kt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/src/com/unciv/logic/city/CityConstructions.kt b/core/src/com/unciv/logic/city/CityConstructions.kt
index 7e12054685..94699a2f40 100644
--- a/core/src/com/unciv/logic/city/CityConstructions.kt
+++ b/core/src/com/unciv/logic/city/CityConstructions.kt
@@ -209,8 +209,12 @@ class CityConstructions {
     }
 
     fun addCultureBuilding() {
-        val cultureBuildingToBuild = listOf("Monument", "Temple", "Opera House", "Museum").firstOrNull { !builtBuildings.contains(it) }
-        if (cultureBuildingToBuild == null) return
+        val basicCultureBuildings = listOf("Monument", "Temple", "Opera House", "Museum")
+        val buildableCultureBuildings = GameBasics.Buildings.values
+                .filter { it.isBuildable(this)
+                        && basicCultureBuildings.contains(it.name) || (it.replaces != "" && basicCultureBuildings.contains(it.replaces))}
+        if (buildableCultureBuildings.isEmpty()) return
+        val cultureBuildingToBuild = buildableCultureBuildings.minBy { it.cost }!!.name
         addBuilding(cultureBuildingToBuild)
         if (currentConstruction == cultureBuildingToBuild) {
             currentConstruction=""