From 9ee3133077c6784f80154533050268917c6eaf88 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20W=2E=20Urba=C5=84czyk?= <mwu-tow@gazeta.pl>
Date: Sun, 29 Sep 2013 20:53:45 +0000
Subject: [PATCH] Fixed crash on game start when buildings are customized,
 should finally solve #1444.

---
 lib/CGameState.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/CGameState.cpp b/lib/CGameState.cpp
index 2a585e051..b880ea2b3 100644
--- a/lib/CGameState.cpp
+++ b/lib/CGameState.cpp
@@ -1347,6 +1347,10 @@ void CGameState::init(StartInfo * si)
 				vti->builtBuildings.insert(BuildingID::DWELL_LVL_2);
 		}
 
+		//#1444 - remove entries that don't have buildings defined (like some unused extra town hall buildings)
+		vstd::erase_if(vti->builtBuildings, [vti](BuildingID bid){  
+			return !vti->town->buildings.count(bid) || !vti->town->buildings.at(bid); });
+
 		if (vstd::contains(vti->builtBuildings, BuildingID::SHIPYARD) && vti->shipyardStatus()==IBoatGenerator::TILE_BLOCKED)
 			vti->builtBuildings.erase(BuildingID::SHIPYARD);//if we have harbor without water - erase it (this is H3 behaviour)