1.Support for cage of Warlord, Temple of Valhalla, Wall of Knowledge, Order of Fire

2.Level-up from newly implemented School of War crashed the game.
3.A sketch of shops support

client/GUIClasses.cpp

@@ -4350,3 +4350,27 @@ void CPuzzleWindow::show(SDL_Surface * to)
 	if(screen->w != 800 || screen->h !=600)
 		CMessage::drawBorder(LOCPLINT->playerID,to,828,628,pos.x-14,pos.y-15);
 }
+
+bool CShopWindow::swapItem (ui16 which, bool choose)
+{
+	bool itemFound = false;
+	if (choose == true) //choose item
+	{
+		if (chosen.count(which))
+		{
+			itemFound = true;
+			chosen[which] = avaliable[which];
+			avaliable.erase(which);
+		}
+	}
+	else //return item to avaliable list
+	{
+		if (avaliable.count(which))
+		{
+			itemFound = true;
+			avaliable[which] = chosen[which];
+			chosen.erase(which);
+		}
+	}
+	return itemFound;
+}

client/GUIClasses.h

@@ -762,4 +762,25 @@ public:
 	~CPuzzleWindow();
 };
 
+class CShopWindow : public CIntObject
+{
+public:
+	std::map<ui16, Component> avaliable, chosen, bought;
+
+	bool swapItem (ui16 which, bool choose);
+};
+class CArtMerchantWindow : public CShopWindow
+{};
+class CUniversityWindow : public CShopWindow
+{};
+class CAltarWindow : public CShopWindow
+{};
+class CRefugeeCampWindow : public CShopWindow
+{};
+class CWarMachineWindow : public CShopWindow
+{};
+class CFreelancersWindow : public CShopWindow
+{};
+class CHillFortWindow : public CIntObject //garrison dialog? shop?
+{};
 #endif //__GUICLASSES_H__

hch/CObjectHandler.cpp

@@ -1392,6 +1392,16 @@ int CGTownInstance::getSightRadious() const //returns sight distance
 	return 5;
 }
 
+void CGTownInstance::setPropertyDer(ui8 what, ui32 val)
+{
+///this is freakin' overcomplicated solution
+	switch (what)
+	{
+		case 11: //add visitor of town building
+			bonusingBuildings[val]->setProperty (4, visitingHero->id);
+			break;
+	}
+}
 int CGTownInstance::fortLevel() const //0 - none, 1 - fort, 2 - citadel, 3 - castle
 {
 	if((builtBuildings.find(9))!=builtBuildings.end())
@@ -1542,9 +1552,9 @@ void CGTownInstance::onHeroVisit(const CGHeroInstance * h) const
 			cb->setOwner(id, h->tempOwner);
 		}
 	}
-	for (std::vector<CGTownBuilding*>::const_iterator i = bonusingBuildings.begin(); i != bonusingBuildings.end(); i++)
-		(*i)->onHeroVisit (h); //does not work
 	cb->heroVisitCastle(id, h->id);
+	for (std::vector<CGTownBuilding*>::const_iterator i = bonusingBuildings.begin(); i != bonusingBuildings.end(); i++)
+		(*i)->onHeroVisit (h); //put it inside heroVisitCastle call, make sure *visitingHero is set
 }
 
 void CGTownInstance::onHeroLeave(const CGHeroInstance * h) const
@@ -1564,7 +1574,7 @@ void CGTownInstance::initObj()
 		if(creatureDwelling(i,true))
 			creatures[i].second.push_back(town->upgradedCreatures[i]);
 	}
-	switch (alignment)
+	switch (subID)
 	{ //add new visitable objects
 		case 2: case 3: case 5: case 6:
 				bonusingBuildings.push_back (new CTownBonus(23, this));
@@ -1923,6 +1933,12 @@ CTownBonus::CTownBonus (int index, CGTownInstance *TOWN)
 {
 	ID = index;
 	town = TOWN;
+	id = town->bonusingBuildings.size();
+}
+void CTownBonus::setProperty (ui8 what, ui32 val)
+{
+	if(what == 4)
+		visitors.insert(val);
 }
 void CTownBonus::onHeroVisit (const CGHeroInstance * h) const
 {
@@ -1933,7 +1949,7 @@ void CTownBonus::onHeroVisit (const CGHeroInstance * h) const
 		switch (ID)
 		{
 			case 23:
-				switch(town->alignment)
+				switch(town->subID)
 				{
 					case 2: //wall
 						cb->changePrimSkill (heroID, 3, 1);
@@ -1954,7 +1970,7 @@ void CTownBonus::onHeroVisit (const CGHeroInstance * h) const
 				}
 				break;
 			case 17:
-				switch(town->alignment)
+				switch(town->subID)
 				{
 					case 7: //cage of warlords
 						cb->changePrimSkill (heroID, 1, 1);
@@ -1964,10 +1980,10 @@ void CTownBonus::onHeroVisit (const CGHeroInstance * h) const
 				break;
 		}
 		iw.player = cb->getOwner(heroID);
-		iw.text << std::pair<ui8,ui32>(11,66);
+		iw.text << VLC->generaltexth->buildings[town->subID][ID].second;
 		//iw.soundID = sound;
 		cb->showInfoDialog(&iw);
-		cb->setObjProperty (id, 4, h->id); //add to visitors
+		cb->setObjProperty (town->id, 11, id); //add to visitors
 	}
 }
 bool CArmedInstance::needsLastStack() const
@@ -4540,3 +4556,55 @@ void CCartographer::buyMap (const CGHeroInstance *h, ui32 accept) const
 		cb->setObjProperty (id, 10, h->tempOwner);
 	}
 }
+
+void CShop::setPropertyDer (ui8 what, ui32 val)
+{
+	switch (what)
+	{
+		case 13: //sweep
+			avaliable.clear();
+			chosen.clear();
+			bought.clear();
+			break;
+		case 14: //reset - get new items
+			reset(val);
+			break;
+	}
+}
+void CGArtMerchant::reset(ui32 val)
+{
+	std::vector<CArtifact*>::iterator index;
+	for (ui8 i = 0; i <= 6; i++)
+	{	
+		int count = 0;
+		std::vector<CArtifact*> arts; //to avoid addition of different tiers
+		switch (i)
+		{
+			case 0:
+				cb->getAllowed (arts, CArtifact::ART_TREASURE);
+				count = 2;
+				break;
+			case 1:
+				cb->getAllowed (arts, CArtifact::ART_MINOR);
+				count = 2;
+				break;
+			case 2:
+				cb->getAllowed (arts, CArtifact::ART_MAJOR);
+				count = 1;
+				break;
+			case 3:
+				cb->getAllowed (arts, CArtifact::ART_RELIC);
+				count = 1;
+				break;
+		}
+		for (ui8 n = 0; n < count; n++)
+		{
+
+			index = arts.begin() + val % arts.size();
+			avaliable [avaliable.size()] = new Component (Component::ARTIFACT, (*index)->id, 0, 0);
+			arts.erase(index);
+			val *= (id + n * i); //randomize
+		}
+	}
+
+}

hch/CObjectHandler.h

@@ -42,6 +42,7 @@ class CGDefInfo;
 class CSpecObjInfo;
 struct TerrainTile;
 struct InfoWindow;
+struct Component;
 struct BankConfig;
 class CGBoat;
 
@@ -355,25 +356,33 @@ public:
 		h & visitors & ttype;
 	}
 };
-class DLL_EXPORT CGTownBuilding : IObjectInterface
+class DLL_EXPORT CGTownBuilding : public IObjectInterface
 {
 ///basic class for town structures handled as map objects
 public:
+	si32 ID; //from buildig list
+	si32 id; //identifies its index on towns vector
 	CGTownInstance *town;
 
-	virtual void onHeroVisit (const CGHeroInstance * h) const {};
+	template <typename Handler> void serialize(Handler &h, const int version)
+	{
+		h & ID & id;
+	}
 };
-class DLL_EXPORT CTownBonus : public CGVisitableOPH, public CGTownBuilding
+class DLL_EXPORT CTownBonus : public CGTownBuilding
 {
 ///used for one-time bonusing structures
+///feel free to merge inheritance tree
 public:
+	std::set<si32> visitors;
+	void setProperty(ui8 what, ui32 val);
 	void onHeroVisit (const CGHeroInstance * h) const;
 
 	CTownBonus (int index, CGTownInstance *TOWN);
 	CTownBonus (){ID = 0; town = NULL;};
 	template <typename Handler> void serialize(Handler &h, const int version)
 	{
-		h & static_cast<CGObjectInstance&>(*this);
+		h & static_cast<CGTownBuilding&>(*this);
 		h & visitors;
 	}
 };
@@ -417,6 +426,7 @@ public:
 	int3 getSightCenter() const; //"center" tile from which the sight distance is calculated
 	int getSightRadious() const; //returns sight distance
 	void getOutOffsets(std::vector<int3> &offsets) const; //offsets to obj pos when we boat can be placed
+	void setPropertyDer(ui8 what, ui32 val);
 
 	//////////////////////////////////////////////////////////////////////////
 
@@ -927,6 +937,31 @@ public:
 
 };
 
+class DLL_EXPORT CShop : public CGObjectInstance
+{
+///base class for university, art merchant, slave market etc.
+public:
+	std::map<ui16, Component*> avaliable;
+	std::map<ui16, Component*> chosen, bought; //redundant?
+	//keys are unique for all three maps
+	std::map<ui16, ui32> price;
+
+	void initObj() {};
+	void setPropertyDer (ui8 what, ui32 val);
+	void newTurn() const {};
+	virtual void reset (ui32 val) {};
+	void onHeroVisit (const CGHeroInstance * h) const {};
+	virtual void trade (const CGHeroInstance * h) const {};
+	
+	template <typename Handler> void serialize(Handler &h, const int version)
+	{
+		h & avaliable & chosen & bought & price;
+	}
+};
+class DLL_EXPORT CGArtMerchant : public CShop
+{
+	void reset (ui32 val);
+};
 struct BankConfig
 {
 	BankConfig() {level = chance = upgradeChance = combatValue = value = rewardDifficulty = easiest = 0; };

lib/IGameCallback.h

@@ -26,6 +26,7 @@ struct InfoWindow;
 struct MetaString;
 struct ShowInInfobox;
 struct BattleResult;
+struct Component;
 class CGameState;
 struct PlayerSettings;
 struct CPackForClient;
@@ -94,7 +95,7 @@ public:
 	virtual void sendAndApply(CPackForClient * info)=0;
 	virtual void heroExchange(si32 hero1, si32 hero2)=0; //when two heroes meet on adventure map
 
-
+	friend struct CPack;
 	friend struct CPackForClient;
 	friend struct CPackForServer;
 };

lib/NetPacks.h

@@ -673,6 +673,22 @@ struct HeroLevelUp : public Query//2000
 	}
 };
 
+struct TradeComponents : public CPackForClient, public CPackForServer
+{
+///used to handle info about components avaliable in shops
+	void applyCl(CClient *cl);
+	DLL_EXPORT void applyGs(CGameState *gs);
+
+	si32 heroid;
+	ui32 objectid;
+	std::map<ui16, Component> avaliable, chosen, bought;
+
+	template <typename Handler> void serialize(Handler &h, const int version)
+	{
+		h & id & heroid & objectid & avaliable & chosen & bought;
+	}
+
+};
 //A dialog that requires making decision by player - it may contain components to choose between or has yes/no options
 //Client responds with QueryReply, where answer: 0 - cancel pressed, choice doesn't matter; 1/2/...  - first/second/... component selected and OK pressed
 //Until sending reply player won't be allowed to take any actions
@@ -1042,6 +1058,7 @@ struct ShowInInfobox : public CPackForClient //107
 	}
 };
 
+
 /***********************************************************************************************************/
 
 struct CloseServer : public CPackForServer