From c45471c3373942a7664b5b17175c27ba4562b950 Mon Sep 17 00:00:00 2001
From: Speedy Gonzalez <amadoste@students.zhaw.ch>
Date: Fri, 3 Dec 2021 09:57:42 +0100
Subject: [PATCH] Added method buildCity.

---
 src/ch/zhaw/catan/SiedlerGame.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/ch/zhaw/catan/SiedlerGame.java b/src/ch/zhaw/catan/SiedlerGame.java
index 8dfece8..f9fd45b 100644
--- a/src/ch/zhaw/catan/SiedlerGame.java
+++ b/src/ch/zhaw/catan/SiedlerGame.java
@@ -243,8 +243,10 @@ public class SiedlerGame {
             return false;
         }
         //2. Check if Settlement has already been built
-        Settlement atCurrentPosition = (Settlement) board.getCorner(position);
-
+        Settlement atCurrentPosition = board.getCorner(position);
+        if (atCurrentPosition == null){
+            return false;
+        }
         //3. Can player build a City.
         if(!allPlayers.get(activePlayer).buildCity()){
             return false;