Finalization of object type handler interface

- updated code to use new interface
- removed old DefObjHandler (todo - rename file)

Summary:
- most code but loading is now in place
- type names may deserve improvements (some of them are too similar)
- still barely compiles and not tested

client/CGameInfo.cpp

@@ -31,5 +31,5 @@ void CGameInfo::setFromLib()
 	heroh = VLC->heroh;
 	objh = VLC->objh;
 	spellh = VLC->spellh;
-	dobjinfo = VLC->dobjinfo;
+	objtypeh = VLC->objtypeh;
 }

client/CGameInfo.h

@@ -23,7 +23,7 @@ class CBuildingHandler;
 class CObjectHandler;
 class CSoundHandler;
 class CMusicHandler;
-class CDefObjInfoHandler;
+class CObjectTypesHandler;
 class CTownHandler;
 class CGeneralTextHandler;
 class CConsoleHandler;
@@ -57,11 +57,10 @@ public:
 	ConstTransitivePtr<CCreatureHandler> creh;
 	ConstTransitivePtr<CSpellHandler> spellh;
 	ConstTransitivePtr<CObjectHandler> objh;
-	ConstTransitivePtr<CDefObjInfoHandler> dobjinfo;
+	ConstTransitivePtr<CObjectTypesHandler> objtypeh;
 	CGeneralTextHandler * generaltexth;
 	CMapHandler * mh;
 	CTownHandler * townh;
-	//CTownHandler * townh;
 
 	void setFromLib();
 

lib/CArtHandler.cpp

@@ -648,7 +648,7 @@ void CArtHandler::afterLoadFinalization()
 	}
 
 	//Note: "10" is used here because H3 text files don't define any template for art with ID 0
-	ObjectTemplate base = VLC->dobjinfo->pickCandidates(Obj::ARTIFACT, 10).front();
+	ObjectTemplate base = VLC->objtypeh->getHandlerFor(Obj::ARTIFACT, 10)->getTemplates().front();
 	for (CArtifact * art : artifacts)
 	{
 		if (!art->advMapDef.empty())
@@ -656,10 +656,9 @@ void CArtHandler::afterLoadFinalization()
 			base.animationFile = art->advMapDef;
 			base.subid = art->id;
 
-			// replace existing (if any) and add new template.
+			// add new template.
 			// Necessary for objects added via mods that don't have any templates in H3
-			VLC->dobjinfo->eraseAll(Obj::ARTIFACT, art->id);
+			VLC->objtypeh->getHandlerFor(Obj::ARTIFACT, art->id)->addTemplate(base);
-			VLC->dobjinfo->registerTemplate(base);
 		}
 	}
 }

lib/CCreatureHandler.cpp

@@ -1114,7 +1114,7 @@ void CCreatureHandler::buildBonusTreeForTiers()
 
 void CCreatureHandler::afterLoadFinalization()
 {
-	ObjectTemplate base = VLC->dobjinfo->pickCandidates(Obj::MONSTER, 0).front();
+	ObjectTemplate base = VLC->objtypeh->getHandlerFor(Obj::MONSTER, 0)->getTemplates().front();
 	for (CCreature * crea : creatures)
 	{
 		if (!crea->advMapDef.empty())
@@ -1124,8 +1124,7 @@ void CCreatureHandler::afterLoadFinalization()
 
 			// replace existing (if any) and add new template.
 			// Necessary for objects added via mods that don't have any templates in H3
-			VLC->dobjinfo->eraseAll(Obj::MONSTER, crea->idNumber);
+			VLC->objtypeh->getHandlerFor(Obj::MONSTER, crea->idNumber)->addTemplate(base);
-			VLC->dobjinfo->registerTemplate(base);
 		}
 	}
 }

lib/CDefObjInfoHandler.cpp

@@ -7,6 +7,7 @@
 #include "GameConstants.h"
 #include "StringConstants.h"
 #include "CGeneralTextHandler.h"
+#include "CObjectHandler.h"
 #include "CModHandler.h"
 #include "JsonNode.h"
 
@@ -327,7 +328,7 @@ bool ObjectTemplate::canBePlacedAt(ETerrainType terrain) const
 {
 	return allowedTerrains.count(terrain) != 0;
 }
-
+/*
 void CDefObjInfoHandler::readTextFile(std::string path)
 {
 	CLegacyConfigParser parser(path);
@@ -347,81 +348,82 @@ CDefObjInfoHandler::CDefObjInfoHandler()
 {
 	readTextFile("Data/Objects.txt");
 	readTextFile("Data/Heroes.txt");
-/*
+}
-	// TODO: merge into modding system
-	JsonNode node = JsonUtils::assembleFromFiles("config/objectTemplates.json");
-	node.setMeta("core");
-	std::vector<ObjectTemplate> newTemplates;
-	newTemplates.reserve(node.Struct().size());
-
-	// load all new templates
-	for (auto & entry : node.Struct())
-	{
-		JsonUtils::validate(entry.second, "vcmi:objectTemplate", entry.first);
-
-		ObjectTemplate templ;
-		templ.stringID = entry.first;
-		templ.readJson(entry.second);
-		newTemplates.push_back(templ);
-	}
-
-	// erase old ones to avoid conflicts
-	for (auto & entry : newTemplates)
-		eraseAll(entry.id, entry.subid);
-
-	// merge new templates into storage
-	objects.insert(objects.end(), newTemplates.begin(), newTemplates.end());
 */
+void CObjectTypesHandler::init()
+{
+
 }
 
-void CDefObjInfoHandler::eraseAll(Obj type, si32 subtype)
+TObjectTypeHandler CObjectTypesHandler::getHandlerFor(si32 type, si32 subtype) const
 {
-	auto it = std::remove_if(objects.begin(), objects.end(), [&](const ObjectTemplate & obj)
+	if (objectTypes.count(type))
 	{
-		return obj.id == type && obj.subid == subtype;
+		if (objectTypes.at(type).count(subtype))
-	});
+			return objectTypes.at(type).at(subtype);
-	objects.erase(it, objects.end());
+	}
+	assert(0); // FIXME: throw error?
+	return nullptr;
 }
 
-void CDefObjInfoHandler::registerTemplate(ObjectTemplate obj)
+void AObjectTypeHandler::init(si32 type, si32 subtype)
 {
-	objects.push_back(obj);
+	this->type = type;
+	this->subtype = subtype;
 }
 
-std::vector<ObjectTemplate> CDefObjInfoHandler::pickCandidates(Obj type, si32 subtype) const
+void AObjectTypeHandler::load(const JsonNode & input)
 {
-	std::vector<ObjectTemplate> ret;
+	for (auto entry : input["templates"].Struct())
-
-	std::copy_if(objects.begin(), objects.end(), std::back_inserter(ret), [&](const ObjectTemplate & obj)
 	{
-		return obj.id == type && obj.subid == subtype;
+		JsonNode data = input["base"];
-	});
+		JsonUtils::merge(data, entry.second);
-	if (ret.empty())
-		logGlobal->errorStream() << "Failed to find template for " << type << ":" << subtype;
 
-	assert(!ret.empty()); // Can't create object of this type/subtype
+		ObjectTemplate tmpl;
-	return ret;
+		tmpl.id = Obj(type);
+		tmpl.subid = subtype;
+		tmpl.stringID = entry.first; // FIXME: create "fullID" - type.object.template?
+		tmpl.readJson(data);
+		templates.push_back(tmpl);
+	}
 }
 
-std::vector<ObjectTemplate> CDefObjInfoHandler::pickCandidates(Obj type, si32 subtype, ETerrainType terrain) const
+bool AObjectTypeHandler::objectFilter(const CGObjectInstance *, const ObjectTemplate &) const
 {
-	std::vector<ObjectTemplate> ret = pickCandidates(type, subtype);
+	return true; // by default - accept all.
+}
+
+void AObjectTypeHandler::addTemplate(const ObjectTemplate & templ)
+{
+	templates.push_back(templ);
+}
+
+std::vector<ObjectTemplate> AObjectTypeHandler::getTemplates() const
+{
+	return templates;
+}
+
+std::vector<ObjectTemplate> AObjectTypeHandler::getTemplates(si32 terrainType) const// FIXME: replace with ETerrainType
+{
+	std::vector<ObjectTemplate> ret = getTemplates();
 	std::vector<ObjectTemplate> filtered;
 
 	std::copy_if(ret.begin(), ret.end(), std::back_inserter(filtered), [&](const ObjectTemplate & obj)
 	{
-		return obj.canBePlacedAt(terrain);
+		return obj.canBePlacedAt(ETerrainType(terrainType));
 	});
 	// it is possible that there are no templates usable on specific terrain. In this case - return list before filtering
 	return filtered.empty() ? ret : filtered;
 }
 
-std::vector<ObjectTemplate> CDefObjInfoHandler::pickCandidates(Obj type, si32 subtype, ETerrainType terrain, std::function<bool(ObjectTemplate &)> filter) const
+ObjectTemplate AObjectTypeHandler::selectTemplate(si32 terrainType, CGObjectInstance * object) const
 {
-	std::vector<ObjectTemplate> ret = pickCandidates(type, subtype, terrain);
+	std::vector<ObjectTemplate> ret = getTemplates(terrainType);
-	std::vector<ObjectTemplate> filtered;
+	for (auto & tmpl : ret)
-
+	{
-	std::copy_if(ret.begin(), ret.end(), std::back_inserter(filtered), filter);
+		if (objectFilter(object, tmpl))
-	// it is possible that there are no templates usable on specific terrain. In this case - return list before filtering
+			return tmpl;
-	return filtered.empty() ? ret : filtered;
+	}
+	// FIXME: no matches found. Warn? Ask for torches? Die?
+	return ret.front();
 }

lib/CDefObjInfoHandler.h

@@ -78,37 +78,6 @@ public:
 	}
 };
 
-class DLL_LINKAGE CDefObjInfoHandler
-{
-	/// list of all object templates loaded from text files
-	/// actual object have ObjectTemplate as member "appearance"
-	std::vector<ObjectTemplate> objects;
-
-	/// reads one of H3 text files that contain object templates description
-	void readTextFile(std::string path);
-public:
-
-	CDefObjInfoHandler();
-
-	/// Erases all templates with given type/subtype
-	void eraseAll(Obj type, si32 subtype);
-
-	/// Add new template into the list
-	void registerTemplate(ObjectTemplate obj);
-
-	/// picks all possible candidates for specific pair <type, subtype>
-	std::vector<ObjectTemplate> pickCandidates(Obj type, si32 subtype) const;
-	/// picks all candidates for <type, subtype> and of possible - also filters them by terrain
-	std::vector<ObjectTemplate> pickCandidates(Obj type, si32 subtype, ETerrainType terrain) const;
-	/// as above, but also filters out templates that are not applicable according to accepted test
-	std::vector<ObjectTemplate> pickCandidates(Obj type, si32 subtype, ETerrainType terrain, std::function<bool(ObjectTemplate &)> filter) const;
-
-	template <typename Handler> void serialize(Handler &h, const int version)
-	{
-		h & objects;
-	}
-};
-
 class IObjectInfo
 {
 public:
@@ -130,40 +99,57 @@ public:
 
 class CGObjectInstance;
 
-class IObjectTypesHandler
+class AObjectTypeHandler
 {
+	si32 type;
+	si32 subtype;
+
+	std::vector<ObjectTemplate> templates;
+protected:
+	void init(si32 type, si32 subtype);
+
+	/// loads templates from Json structure using fields "base" and "templates"
+	void load(const JsonNode & input);
+
+	virtual bool objectFilter(const CGObjectInstance *, const ObjectTemplate &) const;
 public:
-	virtual std::vector<ObjectTemplate> getTemplates(si32 type, si32 subType) const = 0;
+	void addTemplate(const ObjectTemplate & templ);
+
+	/// returns all templates, without any filters
+	std::vector<ObjectTemplate> getTemplates() const;
+
+	/// returns all templates that can be placed on specific terrain type
+	std::vector<ObjectTemplate> getTemplates(si32 terrainType) const;
+
+	/// returns template suitable for object. If returned template is not equal to current one
+	/// it must be replaced with this one (and properly updated on all clients)
+	ObjectTemplate selectTemplate(si32 terrainType, CGObjectInstance * object) const;
+
 
 	virtual CGObjectInstance * create(ObjectTemplate tmpl) const = 0;
 
-	virtual bool handlesID(ObjectTemplate tmpl) const = 0;
-
 	virtual void configureObject(CGObjectInstance * object) const = 0;
 
 	virtual const IObjectInfo * getObjectInfo(ObjectTemplate tmpl) const = 0;
 };
 
-typedef std::shared_ptr<IObjectTypesHandler> TObjectTypeHandler;
+typedef std::shared_ptr<AObjectTypeHandler> TObjectTypeHandler;
 
-class CObjectGroupsHandler
+class CObjectTypesHandler
 {
-	/// list of object handlers, each of them handles 1 or more object type
+	/// list of object handlers, each of them handles only one type
-	std::vector<TObjectTypeHandler> objectTypes;
+	std::map<si32, std::map<si32, TObjectTypeHandler> > objectTypes;
 
 public:
+	void init();
+
 	/// returns handler for specified object (ID-based). ObjectHandler keeps ownership
-	IObjectTypesHandler * getHandlerFor(ObjectTemplate tmpl) const;
+	TObjectTypeHandler getHandlerFor(si32 type, si32 subtype) const;
 
-	/// creates object based on specified template
+	template <typename Handler> void serialize(Handler &h, const int version)
-	CGObjectInstance * createObject(ObjectTemplate tmpl);
-
-	template<typename CObjectClass>
-	CObjectClass * createObjectTyped(ObjectTemplate tmpl)
 	{
-		auto objInst  = createObject(tmpl);
+		//h & objects;
-		auto objClass = dynamic_cast<CObjectClass*>(objInst);
+		if (!h.saving)
-		assert(objClass);
+			init(); // TODO: implement serialization
-		return objClass;
 	}
 };

lib/CGameState.cpp

@@ -342,9 +342,11 @@ static CGObjectInstance * createObject(Obj id, int subid, int3 pos, PlayerColor
 	switch(id)
 	{
 	case Obj::HERO:
-		nobj = new CGHeroInstance();
+		{
-		nobj->appearance = VLC->dobjinfo->pickCandidates(id, VLC->heroh->heroes[subid]->heroClass->id).front();
+			auto handler = VLC->objtypeh->getHandlerFor(id, VLC->heroh->heroes[subid]->heroClass->id);
-		break;
+			nobj = handler->create(handler->getTemplates().front());
+			break;
+		}
 	case Obj::TOWN:
 		nobj = new CGTownInstance;
 		break;
@@ -357,7 +359,7 @@ static CGObjectInstance * createObject(Obj id, int subid, int3 pos, PlayerColor
 	nobj->pos = pos;
 	nobj->tempOwner = owner;
 	if (id != Obj::HERO)
-		nobj->appearance = VLC->dobjinfo->pickCandidates(id, subid).front();
+		nobj->appearance = VLC->objtypeh->getHandlerFor(id, subid)->getTemplates().front();
 
 	return nobj;
 }
@@ -654,7 +656,7 @@ void CGameState::randomizeObject(CGObjectInstance *cur)
 			const TerrainTile &tile = map->getTile(cur->visitablePos());
 			CGTownInstance *t = dynamic_cast<CGTownInstance*>(cur);
 			t->town = VLC->townh->factions[t->subID]->town;
-			t->appearance = VLC->dobjinfo->pickCandidates(Obj::TOWN, t->subID, tile.terType).front();
+			t->appearance = VLC->objtypeh->getHandlerFor(Obj::TOWN, t->subID)->selectTemplate(tile.terType, t);
 			t->updateAppearance();
 		}
 		return;
@@ -675,12 +677,12 @@ void CGameState::randomizeObject(CGObjectInstance *cur)
 	{
 		const TerrainTile &tile = map->getTile(cur->visitablePos());
 		CGTownInstance *t = dynamic_cast<CGTownInstance*>(cur);
-        if(!t) {logGlobal->warnStream()<<"Wrong random town at "<<cur->pos; return;}
+		if(!t) {logGlobal->warnStream()<<"Wrong random town at "<<cur->pos; return;}
 		cur->ID = ran.first;
 		cur->subID = ran.second;
 		//FIXME: copy-pasted from above
 		t->town = VLC->townh->factions[t->subID]->town;
-		t->appearance = VLC->dobjinfo->pickCandidates(Obj::TOWN,t->subID, tile.terType).front();
+		t->appearance = VLC->objtypeh->getHandlerFor(Obj::TOWN, t->subID)->selectTemplate(tile.terType, t);
 		t->updateAppearance();
 
 		t->randomizeArmy(t->subID);
@@ -693,7 +695,7 @@ void CGameState::randomizeObject(CGObjectInstance *cur)
 			ran.second != cur->appearance.subid)
 		{
 			const TerrainTile &tile = map->getTile(cur->visitablePos());
-			cur->appearance = VLC->dobjinfo->pickCandidates(Obj(ran.first),ran.second, tile.terType).front();
+			cur->appearance = VLC->objtypeh->getHandlerFor(ran.first, ran.second)->selectTemplate(tile.terType, cur);
 		}
 	}
 	//we have to replace normal random object
@@ -3315,9 +3317,9 @@ void CPathfinder::calculatePaths(int3 src /*= int3(-1,-1,-1)*/, int movement /*=
 	int maxMovePointsLand = hero->maxMovePoints(true);
 	int maxMovePointsWater = hero->maxMovePoints(false);
 
-	auto maxMovePoints = [&](CGPathNode *cp) -> int
+	auto maxMovePoints = [&](CGPathNode *cp) -> int
-	{
+	{
-		return cp->land ? maxMovePointsLand : maxMovePointsWater;
+		return cp->land ? maxMovePointsLand : maxMovePointsWater;
 	};
 
 	out.hero = hero;

lib/CHeroHandler.cpp

@@ -229,7 +229,7 @@ void CHeroClassHandler::afterLoadFinalization()
 		}
 	}
 
-	ObjectTemplate base = VLC->dobjinfo->pickCandidates(Obj::HERO, 0).front();
+	ObjectTemplate base = VLC->objtypeh->getHandlerFor(Obj::HERO, 0)->getTemplates().front();
 	for (CHeroClass * hc : heroClasses)
 	{
 		base.animationFile = hc->imageMapMale;
@@ -237,8 +237,7 @@ void CHeroClassHandler::afterLoadFinalization()
 
 		// replace existing (if any) and add new template.
 		// Necessary for objects added via mods that don't have any templates in H3
-		VLC->dobjinfo->eraseAll(Obj::HERO, hc->id);
+		VLC->objtypeh->getHandlerFor(Obj::HERO, base.subid)->addTemplate(base);
-		VLC->dobjinfo->registerTemplate(base);
 	}
 }
 

lib/CObjectConstructor.cpp

@@ -11,64 +11,78 @@
  *
  */
 
+void CRandomRewardObjectInfo::init(const JsonNode & objectConfig)
+{
+	parameters = objectConfig;
+}
+
+void CRandomRewardObjectInfo::configureObject(CObjectWithReward * object) const
+{
+
+}
+
+bool CRandomRewardObjectInfo::givesResources() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesExperience() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesMana() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesMovement() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesPrimarySkills() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesSecondarySkills() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesArtifacts() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesCreatures() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesSpells() const
+{
+}
+
+bool CRandomRewardObjectInfo::givesBonuses() const
+{
+}
+
 CObjectWithRewardConstructor::CObjectWithRewardConstructor()
 {
 }
 
 void CObjectWithRewardConstructor::init(const JsonNode & config)
 {
-	int id = config["id"].Float();
+	objectInfo.init(config);
-	std::string name = config["name"].String();
-	for (auto & entry : config["types"].Struct()) // for each object type
-	{
-		JsonNode typeConf = entry.second;
-
-		int subID = typeConf["id"].Float();
-
-		objectInfos[id][subID].info.init(typeConf["properties"]);
-		for (auto entry : typeConf["templates"].Struct())
-		{
-			ObjectTemplate tmpl;
-			tmpl.id = Obj(id);
-			tmpl.subid = subID;
-			tmpl.readJson(entry.second);
-			objectInfos[id][subID].templates.push_back(tmpl);
-		}
-	}
-}
-
-std::vector<ObjectTemplate> CObjectWithRewardConstructor::getTemplates(si32 type, si32 subType) const
-{
-	assert(handlesID(type, subtype));
-	return objectInfos.at(type).at(subType).templates;
 }
 
 CGObjectInstance * CObjectWithRewardConstructor::create(ObjectTemplate tmpl) const
 {
-	assert(handlesID(tmpl));
 	auto ret = new CObjectWithReward();
 	ret->appearance = tmpl;
 	return ret;
 }
 
-bool CObjectWithRewardConstructor::handlesID(si32 id, si32 subID) const
-{
-	return objectInfos.count(id) && objectInfos.at(id).count(subID);
-}
-
-bool CObjectWithRewardConstructor::handlesID(ObjectTemplate tmpl) const
-{
-	return handlesID(tmpl.id, tmpl.subid);
-}
-
 void CObjectWithRewardConstructor::configureObject(CGObjectInstance * object) const
 {
-	assert(handlesID(object->appearance));
+	objectInfo.configureObject(dynamic_cast<CObjectWithReward*>(object));
-	objectInfos.at(object->ID).at(object->subID).info.configureObject(dynamic_cast<CObjectWithReward*>(object));
 }
 
 const IObjectInfo * CObjectWithRewardConstructor::getObjectInfo(ObjectTemplate tmpl) const
 {
-	assert(handlesID(tmpl));
+	return &objectInfo;
-	return &objectInfos.at(tmpl.id).at(tmpl.subid).info;
 }

lib/CObjectConstructor.h

@@ -41,26 +41,16 @@ public:
 	void init(const JsonNode & objectConfig);
 };
 
-class CObjectWithRewardConstructor : public IObjectTypesHandler
+class CObjectWithRewardConstructor : public AObjectTypeHandler
 {
-	struct ObjectInfo
+	CRandomRewardObjectInfo objectInfo;
-	{
-		CRandomRewardObjectInfo info;
-		std::vector<ObjectTemplate> templates;
-	};
-	std::map<ui32, std::map<ui32, ObjectInfo> > objectInfos;
 
 public:
 	CObjectWithRewardConstructor();
 	void init(const JsonNode & config);
 
-	std::vector<ObjectTemplate> getTemplates(si32 type, si32 subType) const override;
-
 	CGObjectInstance * create(ObjectTemplate tmpl) const override;
 
-	bool handlesID(si32 id, si32 subID) const;
-	bool handlesID(ObjectTemplate tmpl) const override;
-
 	void configureObject(CGObjectInstance * object) const override;
 
 	const IObjectInfo * getObjectInfo(ObjectTemplate tmpl) const override;

lib/CObjectHandler.cpp

@@ -727,7 +727,7 @@ void CGHeroInstance::initHero()
 		type = VLC->heroh->heroes[subID];
 
 	if (ID == Obj::HERO)
-		appearance = VLC->dobjinfo->pickCandidates(Obj::HERO, type->heroClass->id).front();
+		appearance = VLC->objtypeh->getHandlerFor(Obj::HERO, type->heroClass->id)->getTemplates().front();
 
 	if(!vstd::contains(spells, SpellID::PRESET)) //hero starts with a spell
 	{
@@ -3493,7 +3493,7 @@ void CGTeleport::onHeroVisit( const CGHeroInstance * h ) const
 		if(vstd::contains(objs,Obj::MONOLITH2) && vstd::contains(objs[Obj::MONOLITH2],subID) && objs[Obj::MONOLITH2][subID].size())
 			destinationid = objs[Obj::MONOLITH2][subID][rand()%objs[Obj::MONOLITH2][subID].size()];
 		else
-			logGlobal->warnStream() << "Cannot find corresponding exit monolith for "<< id;
+			logGlobal->warnStream() << "Cannot find corresponding exit monolith for "<< id;
 		break;
 	case Obj::MONOLITH3://two way monolith - pick any other one
 	case Obj::WHIRLPOOL: //Whirlpool
@@ -3530,7 +3530,7 @@ void CGTeleport::onHeroVisit( const CGHeroInstance * h ) const
 			}
 		}
 		else
-			logGlobal->warnStream() << "Cannot find corresponding exit monolith for "<< id;
+			logGlobal->warnStream() << "Cannot find corresponding exit monolith for "<< id;
 		break;
 	case Obj::SUBTERRANEAN_GATE: //find nearest subterranean gate on the other level
 		{
@@ -3544,7 +3544,7 @@ void CGTeleport::onHeroVisit( const CGHeroInstance * h ) const
 	}
 	if(destinationid == ObjectInstanceID())
 	{
-		logGlobal->warnStream() << "Cannot find exit... (obj at " << pos << ") :( ";
+		logGlobal->warnStream() << "Cannot find exit... (obj at " << pos << ") :( ";
 		return;
 	}
 	if (ID == Obj::WHIRLPOOL)

lib/CTownHandler.cpp

@@ -711,7 +711,7 @@ void CTownHandler::loadObject(std::string scope, std::string name, const JsonNod
 void CTownHandler::afterLoadFinalization()
 {
 	initializeRequirements();
-	ObjectTemplate base = VLC->dobjinfo->pickCandidates(Obj::TOWN, 0).front();
+	ObjectTemplate base = VLC->objtypeh->getHandlerFor(Obj::TOWN, 0)->getTemplates().front();
 	for (CFaction * fact : factions)
 	{
 		if (fact->town)
@@ -721,13 +721,12 @@ void CTownHandler::afterLoadFinalization()
 
 			// replace existing (if any) and add new template.
 			// Necessary for objects added via mods that don't have any templates in H3
-			VLC->dobjinfo->eraseAll(Obj::TOWN, fact->index);
+			VLC->objtypeh->getHandlerFor(Obj::TOWN, fact->index)->addTemplate(base);
-			VLC->dobjinfo->registerTemplate(base);
 
 			assert(fact->town->dwellings.size() == fact->town->dwellingNames.size());
 			for (size_t i=0; i<fact->town->dwellings.size(); i++)
 			{
-				ObjectTemplate base = VLC->dobjinfo->pickCandidates(Obj::CREATURE_GENERATOR1, 0).front();
+				ObjectTemplate base = VLC->objtypeh->getHandlerFor(Obj::CREATURE_GENERATOR1, 0)->getTemplates().front();
 
 				//both unupgraded and upgraded get same dwelling
 				 for (auto cre : fact->town->creatures[i])
@@ -736,7 +735,7 @@ void CTownHandler::afterLoadFinalization()
 					base.animationFile = fact->town->dwellings[i];
 					if (VLC->objh->cregens.count(cre) == 0)
 					{
-						VLC->dobjinfo->registerTemplate(base);
+						VLC->objtypeh->getHandlerFor(Obj::CREATURE_GENERATOR1, 80 + cre)->addTemplate(base);
 						VLC->objh->cregens[80 + cre] = cre; //map of dwelling -> creature id
 					}
 				 }

lib/NetPacksLib.cpp

@@ -582,7 +582,7 @@ DLL_LINKAGE void GiveHero::applyGs( CGameState *gs )
 	//bonus system
 	h->detachFrom(&gs->globalEffects);
 	h->attachTo(gs->getPlayer(player));
-	h->appearance = VLC->dobjinfo->pickCandidates(Obj::HERO, h->type->heroClass->id).front();
+	h->appearance = VLC->objtypeh->getHandlerFor(Obj::HERO, h->type->heroClass->id)->getTemplates().front();
 
 	gs->map->removeBlockVisTiles(h,true);
 	h->setOwner(player);
@@ -623,7 +623,7 @@ DLL_LINKAGE void NewObject::applyGs( CGameState *gs )
 	o->subID = subID;
 	o->pos = pos;
 	const TerrainTile &t = gs->map->getTile(pos);
-	o->appearance = VLC->dobjinfo->pickCandidates(o->ID, o->subID, t.terType).front();
+	o->appearance = VLC->objtypeh->getHandlerFor(o->ID, o->subID)->selectTemplate(t.terType, o);
 	id = o->id = ObjectInstanceID(gs->map->objects.size());
 	o->hoverName = VLC->generaltexth->names[ID];
 

lib/VCMI_Lib.cpp

@@ -109,7 +109,7 @@ void LibClasses::init()
 
 	createHandler(objh, "Object", pomtime);
 
-	createHandler(dobjinfo, "Def information", pomtime);
+	createHandler(objtypeh, "Object types information", pomtime);
 
 	createHandler(spellh, "Spell", pomtime);
 
@@ -135,7 +135,7 @@ void LibClasses::clear()
 	delete creh;
 	delete townh;
 	delete objh;
-	delete dobjinfo;
+	delete objtypeh;
 	delete spellh;
 	delete modh;
 	delete bth;
@@ -152,7 +152,7 @@ void LibClasses::makeNull()
 	creh = nullptr;
 	townh = nullptr;
 	objh = nullptr;
-	dobjinfo = nullptr;
+	objtypeh = nullptr;
 	spellh = nullptr;
 	modh = nullptr;
 	bth = nullptr;

lib/VCMI_Lib.h

@@ -16,7 +16,7 @@ class CCreatureHandler;
 class CSpellHandler;
 class CBuildingHandler;
 class CObjectHandler;
-class CDefObjInfoHandler;
+class CObjectTypesHandler;
 class CTownHandler;
 class CGeneralTextHandler;
 class CModHandler;
@@ -42,7 +42,7 @@ public:
 	CCreatureHandler * creh;
 	CSpellHandler * spellh;
 	CObjectHandler * objh;
-	CDefObjInfoHandler * dobjinfo;
+	CObjectTypesHandler * objtypeh;
 	CTownHandler * townh;
 	CGeneralTextHandler * generaltexth;
 	CModHandler * modh;
@@ -60,7 +60,7 @@ public:
 
 	template <typename Handler> void serialize(Handler &h, const int version)
 	{
-		h & heroh & arth & creh & townh & objh & dobjinfo & spellh & modh & IS_AI_ENABLED;
+		h & heroh & arth & creh & townh & objh & objtypeh & spellh & modh & IS_AI_ENABLED;
 		h & bth;
 		if(!h.saving)
 		{

lib/rmg/CMapGenerator.cpp

@@ -166,7 +166,7 @@ void CMapGenerator::genTowns()
 		}
 		town->subID = townId;
 		town->tempOwner = owner;
-		town->appearance = VLC->dobjinfo->pickCandidates(town->ID, town->subID, map->getTile(townPos[side]).terType).front();
+		town->appearance = VLC->objtypeh->getHandlerFor(town->ID, town->subID)->selectTemplate(map->getTile(townPos[side]).terType, town);
 		town->builtBuildings.insert(BuildingID::FORT);
 		town->builtBuildings.insert(BuildingID::DEFAULT);
 		editManager->insertObject(town, int3(townPos[side].x, townPos[side].y + (i / 2) * 5, 0));