From e511385d12a86858b2f179191dabf729fad6b62f Mon Sep 17 00:00:00 2001
From: Duan Tao <duantao@live.cn>
Date: Wed, 25 Sep 2019 12:22:37 +0800
Subject: [PATCH] Fix a bug that causes exception when selecting special
 construction.

---
 core/src/com/unciv/logic/city/CityConstructions.kt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/src/com/unciv/logic/city/CityConstructions.kt b/core/src/com/unciv/logic/city/CityConstructions.kt
index e10d33d006..1010e4aead 100644
--- a/core/src/com/unciv/logic/city/CityConstructions.kt
+++ b/core/src/com/unciv/logic/city/CityConstructions.kt
@@ -115,8 +115,11 @@ class CityConstructions {
         else return 0
     }
 
-    fun getRemainingWork(constructionName: String) =
-            getConstruction(constructionName).getProductionCost(cityInfo.civInfo) - getWorkDone(constructionName)
+    fun getRemainingWork(constructionName: String): Int {
+        val constr = getConstruction(constructionName)
+        if (constr is SpecialConstruction) return 0
+        return constr.getProductionCost(cityInfo.civInfo) - getWorkDone(constructionName)
+    }
 
     fun turnsToConstruction(constructionName: String): Int {
         val workLeft = getRemainingWork(constructionName)