Hopefully fixed #261, #263, #246.

hch/CObjectHandler.cpp

@@ -1276,9 +1276,9 @@ void CGDwelling::setProperty(ui8 what, ui32 val)
 				if (val != NEUTRAL_PLAYER) //can new owner be neutral?
 					cb->gameState()->players[val].dwellings.push_back (this);
 			}
-			tempOwner = val;
 			break;
 	}
+	 CGObjectInstance::setProperty(what,val);
 }
 void CGDwelling::onHeroVisit( const CGHeroInstance * h ) const
 {

hch/CObjectHandler.h

@@ -429,7 +429,11 @@ public:
 	{
 		h & static_cast<CGDwelling&>(*this);
 		h & name & builded & destroyed & identifier & alignment & forbiddenBuildings & builtBuildings
-			& possibleSpells & obligatorySpells & spells & /*strInfo & */events;
+			& possibleSpells & obligatorySpells & spells & /*strInfo & */events & bonusingBuildings;
+
+		for (std::vector<CGTownBuilding*>::iterator i = bonusingBuildings.begin(); i!=bonusingBuildings.end(); i++)
+			(*i)->town = this;
+
 
 		ui8 standardType = (&VLC->townh->towns[subID] == town);
 		h & standardType;

lib/CGameState.h

@@ -1,6 +1,7 @@
 #ifndef __CGAMESTATE_H__
 #define __CGAMESTATE_H__
 #include "../global.h"
+#include <cassert>
 #ifndef _MSC_VER
 #include "../hch/CCreatureHandler.h"
 #include "VCMI_Lib.h"
@@ -81,7 +82,17 @@ public:
 			size = availableHeroes.size();
 			h & size;
 			for(size_t i=0; i < size; i++)
-				h & availableHeroes[i]->subID;
+			{
+				if(availableHeroes[i])
+				{
+					h & availableHeroes[i]->subID;
+				}
+				else
+				{
+					ui32 none = 0xffffffff;
+					h & none;
+				}
+			}
 		}
 		else
 		{
@@ -390,7 +401,15 @@ public:
 				{
 					ui32 hlp = i->second.availableHeroes[j]->subID;
 					delete i->second.availableHeroes[j];
-					i->second.availableHeroes[j] = hpool.heroesPool[hlp];
+					if(hlp != 0xffffffff)
+					{
+						assert(vstd::contains(hpool.heroesPool, hlp));
+						i->second.availableHeroes[j] = hpool.heroesPool[hlp];
+					}
+					else
+					{
+						i->second.availableHeroes[j] = NULL;
+					}
 				}
 			}
 		}

server/CGameHandler.cpp

@@ -2441,22 +2441,22 @@ bool CGameHandler::hireHero( ui32 tid, ui8 hid )
 	hr.tile = t->pos - int3(1,0,0);
 	sendAndApply(&hr);
 
+
 	std::map<ui32,CGHeroInstance *> pool = gs->hpool.heroesPool;
+	for ( std::map<ui8, PlayerState>::iterator i=gs->players.begin() ; i!=gs->players.end();i++)
+		for(std::vector<CGHeroInstance *>::iterator j = i->second.availableHeroes.begin(); j != i->second.availableHeroes.end(); j++)
+			if(*j)
+				pool.erase((**j).subID);
 
 	SetAvailableHeroes sah;
-	CGHeroInstance *h1 = gs->hpool.pickHeroFor(false,t->tempOwner,t->town, pool), //new hero
+	CGHeroInstance *h1 = gs->hpool.pickHeroFor(false,t->tempOwner,t->town, pool),
 				*h2 = gs->getPlayer(t->tempOwner)->availableHeroes[!hid];
 	(hid ? sah.hid2 : sah.hid1) = h1 ? h1->subID : -1;
 	(hid ? sah.hid1 : sah.hid2) = h2 ? h2->subID : -1;
 	sah.player = t->tempOwner;
-	//sah.flags = hid+1; //without army - why?
+	sah.flags = hid+1;
 	sendAndApply(&sah);
 
-	for ( std::map<ui8, PlayerState>::iterator i=gs->players.begin() ; i!=gs->players.end();i++)
-		for(std::vector<CGHeroInstance *>::iterator j = i->second.availableHeroes.begin(); j != i->second.availableHeroes.end(); j++)
-			if(*j)
-				pool.erase((**j).subID); //hero is removed from available lists
-
 	SetResource sr;
 	sr.player = t->tempOwner;
 	sr.resid = 6;