vcmi: modernize lib/rmg

lib/rmg/CMapGenOptions.cpp

@@ -138,7 +138,7 @@ void CMapGenOptions::resetPlayersMap()
 	std::map<PlayerColor, TFaction> rememberTownTypes;
 	std::map<PlayerColor, TeamID> rememberTeam;
 
-	for (auto p : players)
+	for(const auto & p : players)
 	{
 		auto town = p.second.getStartingTown();
 		if (town != RANDOM_SIZE)
@@ -184,14 +184,14 @@ const std::map<PlayerColor, CMapGenOptions::CPlayerSettings> & CMapGenOptions::g
 	return players;
 }
 
-void CMapGenOptions::setStartingTownForPlayer(PlayerColor color, si32 town)
+void CMapGenOptions::setStartingTownForPlayer(const PlayerColor & color, si32 town)
 {
 	auto it = players.find(color);
 	if(it == players.end()) assert(0);
 	it->second.setStartingTown(town);
 }
 
-void CMapGenOptions::setPlayerTypeForStandardPlayer(PlayerColor color, EPlayerType::EPlayerType playerType)
+void CMapGenOptions::setPlayerTypeForStandardPlayer(const PlayerColor & color, EPlayerType::EPlayerType playerType)
 {
 	assert(playerType != EPlayerType::COMP_ONLY);
 	auto it = players.find(color);
@@ -246,7 +246,7 @@ bool CMapGenOptions::isRoadEnabled(const std::string & roadName) const
 	return !disabledRoads.count(roadName);
 }
 
-void CMapGenOptions::setPlayerTeam(PlayerColor color, TeamID team)
+void CMapGenOptions::setPlayerTeam(const PlayerColor & color, const TeamID & team)
 {
 	auto it = players.find(color);
 	if(it == players.end()) assert(0);
@@ -298,7 +298,7 @@ void CMapGenOptions::finalize(CRandomGenerator & rand)
 	{
 		auto allowedContent = mapTemplate->getWaterContentAllowed();
 
-		if(allowedContent.size())
+		if(!allowedContent.empty())
 		{
 			waterContent = *RandomGeneratorUtil::nextItem(mapTemplate->getWaterContentAllowed(), rand);
 		}
@@ -323,7 +323,7 @@ void CMapGenOptions::finalize(CRandomGenerator & rand)
 
 	logGlobal->trace("Player config:");
 	int cpuOnlyPlayers = 0;
-	for (auto player : players)
+	for(const auto & player : players)
 	{
 		std::string playerType;
 		switch (player.second.getPlayerType())
@@ -344,7 +344,7 @@ void CMapGenOptions::finalize(CRandomGenerator & rand)
 		logGlobal->trace("Player %d: %s", player.second.getColor(), playerType);
 	}
 	setCompOnlyPlayerCount(cpuOnlyPlayers); //human players are set automaticlaly (?)
-	logGlobal->info("Final player config: %d total, %d cpu-only", players.size(), (int)getCompOnlyPlayerCount());
+	logGlobal->info("Final player config: %d total, %d cpu-only", players.size(), static_cast<int>(getCompOnlyPlayerCount()));
 }
 
 void CMapGenOptions::updatePlayers()
@@ -504,7 +504,7 @@ PlayerColor CMapGenOptions::CPlayerSettings::getColor() const
 	return color;
 }
 
-void CMapGenOptions::CPlayerSettings::setColor(PlayerColor value)
+void CMapGenOptions::CPlayerSettings::setColor(const PlayerColor & value)
 {
 	assert(value >= PlayerColor(0) && value < PlayerColor::PLAYER_LIMIT);
 	color = value;
@@ -541,7 +541,7 @@ TeamID CMapGenOptions::CPlayerSettings::getTeam() const
 	return team;
 }
 
-void CMapGenOptions::CPlayerSettings::setTeam(TeamID value)
+void CMapGenOptions::CPlayerSettings::setTeam(const TeamID & value)
 {
 	team = value;
 }

lib/rmg/CMapGenOptions.h

@@ -41,7 +41,7 @@ public:
 		/// The color of the player ranging from 0 to PlayerColor::PLAYER_LIMIT - 1.
 		/// The default value is 0.
 		PlayerColor getColor() const;
-		void setColor(PlayerColor value);
+		void setColor(const PlayerColor & value);
 
 		/// The starting town of the player ranging from 0 to town max count or RANDOM_TOWN.
 		/// The default value is RANDOM_TOWN.
@@ -54,7 +54,7 @@ public:
 		
 		/// Team id for this player. TeamID::NO_TEAM by default - team will be randomly assigned
 		TeamID getTeam() const;
-		void setTeam(TeamID value);
+		void setTeam(const TeamID & value);
 
 		/// Constant for a random town selection.
 		static const si32 RANDOM_TOWN = -1;
@@ -119,12 +119,12 @@ public:
 	/// The first player colors belong to standard players and the last player colors belong to comp only players.
 	/// All standard players are by default of type EPlayerType::AI.
 	const std::map<PlayerColor, CPlayerSettings> & getPlayersSettings() const;
-	void setStartingTownForPlayer(PlayerColor color, si32 town);
+	void setStartingTownForPlayer(const PlayerColor & color, si32 town);
 	/// Sets a player type for a standard player. A standard player is the opposite of a computer only player. The
 	/// values which can be chosen for the player type are EPlayerType::AI or EPlayerType::HUMAN.
-	void setPlayerTypeForStandardPlayer(PlayerColor color, EPlayerType::EPlayerType playerType);
-	
-	void setPlayerTeam(PlayerColor color, TeamID team = TeamID::NO_TEAM);
+	void setPlayerTypeForStandardPlayer(const PlayerColor & color, EPlayerType::EPlayerType playerType);
+
+	void setPlayerTeam(const PlayerColor & color, const TeamID & team = TeamID::NO_TEAM);
 
 	/// The random map template to generate the map with or empty/not set if the template should be chosen randomly.
 	/// Default: Not set/random.

lib/rmg/CMapGenerator.cpp

@@ -88,9 +88,8 @@ const CMapGenerator::Config & CMapGenerator::getConfig() const
 	return config;
 }
 
-CMapGenerator::~CMapGenerator()
-{
-}
+//must be instantiated in .cpp file for access to complete types of all member fields
+CMapGenerator::~CMapGenerator() = default;
 
 const CMapGenOptions& CMapGenerator::getMapGenOptions() const
 {
@@ -281,7 +280,7 @@ void CMapGenerator::createWaterTreasures()
 		return;
 	
 	//add treasures on water
-	for(auto & treasureInfo : getConfig().waterTreasure)
+	for(const auto & treasureInfo : getConfig().waterTreasure)
 	{
 		getZoneWater()->addTreasureInfo(treasureInfo);
 	}
@@ -297,7 +296,7 @@ void CMapGenerator::fillZones()
 	//we need info about all town types to evaluate dwellings and pandoras with creatures properly
 	//place main town in the middle
 	Load::Progress::setupStepsTill(map->getZones().size(), 50);
-	for(auto it : map->getZones())
+	for(const auto & it : map->getZones())
 	{
 		it.second->initFreeTiles();
 		it.second->initModificators();
@@ -306,7 +305,7 @@ void CMapGenerator::fillZones()
 
 	Load::Progress::setupStepsTill(map->getZones().size(), 240);
 	std::vector<std::shared_ptr<Zone>> treasureZones;
-	for(auto it : map->getZones())
+	for(const auto & it : map->getZones())
 	{
 		it.second->processModificators();
 		
@@ -319,7 +318,7 @@ void CMapGenerator::fillZones()
 	//find place for Grail
 	if(treasureZones.empty())
 	{
-		for(auto it : map->getZones())
+		for(const auto & it : map->getZones())
 			if(it.second->getType() != ETemplateZoneType::WATER)
 				treasureZones.push_back(it.second);
 	}
@@ -389,7 +388,7 @@ const std::vector<ArtifactID> & CMapGenerator::getQuestArtsRemaning() const
 	return questArtifacts;
 }
 
-void CMapGenerator::banQuestArt(ArtifactID id)
+void CMapGenerator::banQuestArt(const ArtifactID & id)
 {
 	map->map().allowedArtifact[id] = false;
 	vstd::erase_if_present(questArtifacts, id);

lib/rmg/CMapGenerator.h

@@ -65,8 +65,8 @@ public:
 	int getPrisonsRemaning() const;
 	void decreasePrisonsRemaining();
 	const std::vector<ArtifactID> & getQuestArtsRemaning() const;
-	void banQuestArt(ArtifactID id);
-	
+	void banQuestArt(const ArtifactID & id);
+
 	Zone * getZoneWater() const;
 	void createWaterTreasures();
 

lib/rmg/CRmgTemplate.cpp

@@ -32,7 +32,7 @@ namespace
 
 	std::string encodeZoneId(si32 id)
 	{
-		return boost::lexical_cast<std::string>(id);
+		return std::to_string(id);
 	}
 }
 
@@ -70,7 +70,7 @@ class TerrainEncoder
 public:
 	static si32 decode(const std::string & identifier)
 	{
-		return *VLC->modh->identifiers.getIdentifier(VLC->modh->scopeGame(), "terrain", identifier);
+		return *VLC->modh->identifiers.getIdentifier(CModHandler::scopeGame(), "terrain", identifier);
 	}
 
 	static std::string encode(const si32 index)
@@ -84,12 +84,12 @@ class ZoneEncoder
 public:
 	static si32 decode(const std::string & json)
 	{
-		return boost::lexical_cast<si32>(json);
+		return std::stoi(json);
 	}
 
 	static std::string encode(si32 id)
 	{
-		return boost::lexical_cast<std::string>(id);
+		return std::to_string(id);
 	}
 };
 
@@ -132,22 +132,14 @@ void ZoneOptions::CTownInfo::serializeJson(JsonSerializeFormat & handler)
 	handler.serializeInt("castleDensity", castleDensity, 0);
 }
 
-
-ZoneOptions::ZoneOptions()
-	: id(0),
+ZoneOptions::ZoneOptions():
+	id(0),
 	type(ETemplateZoneType::PLAYER_START),
 	size(1),
 	owner(boost::none),
-	playerTowns(),
-	neutralTowns(),
 	matchTerrainToTown(true),
 	townsAreSameType(false),
-	townTypes(),
-	monsterTypes(),
 	zoneMonsterStrength(EMonsterStrength::ZONE_NORMAL),
-	mines(),
-	treasureInfo(),
-	connections(),
 	minesLikeZone(NO_ZONE),
 	terrainTypeLikeZone(NO_ZONE),
 	treasureLikeZone(NO_ZONE)
@@ -157,29 +149,6 @@ ZoneOptions::ZoneOptions()
 			terrainTypes.insert(terr->getId());
 }
 
-ZoneOptions & ZoneOptions::operator=(const ZoneOptions & other)
-{
-	id = other.id;
-	type = other.type;
-	size = other.size;
-	owner = other.owner;
-	playerTowns = other.playerTowns;
-	neutralTowns = other.neutralTowns;
-	matchTerrainToTown = other.matchTerrainToTown;
-	terrainTypes = other.terrainTypes;
-	townsAreSameType = other.townsAreSameType;
-	townTypes = other.townTypes;
-	monsterTypes = other.monsterTypes;
-	zoneMonsterStrength = other.zoneMonsterStrength;
-	mines = other.mines;
-	treasureInfo = other.treasureInfo;
-	connections = other.connections;
-	minesLikeZone = other.minesLikeZone;
-	terrainTypeLikeZone = other.terrainTypeLikeZone;
-	treasureLikeZone = other.treasureLikeZone;
-	return *this;
-}
-
 TRmgTemplateZoneId ZoneOptions::getId() const
 {
 	return id;
@@ -362,7 +331,7 @@ void ZoneOptions::serializeJson(JsonSerializeFormat & handler)
 		if(handler.saving)
 		{
 			node.setType(JsonNode::JsonType::DATA_VECTOR);
-			for(auto & ttype : terrainTypes)
+			for(const auto & ttype : terrainTypes)
 			{
 				JsonNode n;
 				n.String() = VLC->terrainTypeHandler->getById(ttype)->getJsonKey();
@@ -375,7 +344,7 @@ void ZoneOptions::serializeJson(JsonSerializeFormat & handler)
 			if(!node.Vector().empty())
 			{
 				terrainTypes.clear();
-				for(auto ttype : node.Vector())
+				for(const auto & ttype : node.Vector())
 				{
 					VLC->modh->identifiers.requestIdentifier("terrain", ttype, [this](int32_t identifier)
 					{
@@ -476,10 +445,6 @@ CRmgTemplate::CRmgTemplate()
 
 }
 
-CRmgTemplate::~CRmgTemplate()
-{
-}
-
 bool CRmgTemplate::matchesSize(const int3 & value) const
 {
 	const int64_t square = value.x * value.y * value.z;
@@ -551,12 +516,12 @@ std::pair<int3, int3> CRmgTemplate::getMapSizes() const
 
 void CRmgTemplate::CPlayerCountRange::addRange(int lower, int upper)
 {
-	range.push_back(std::make_pair(lower, upper));
+	range.emplace_back(lower, upper);
 }
 
 void CRmgTemplate::CPlayerCountRange::addNumber(int value)
 {
-	range.push_back(std::make_pair(value, value));
+	range.emplace_back(value, value);
 }
 
 bool CRmgTemplate::CPlayerCountRange::isInRange(int count) const
@@ -591,7 +556,7 @@ std::string CRmgTemplate::CPlayerCountRange::toString() const
 
 	bool first = true;
 
-	for(auto & p : range)
+	for(const auto & p : range)
 	{
 		if(!first)
 			ret +=",";
@@ -600,7 +565,7 @@ std::string CRmgTemplate::CPlayerCountRange::toString() const
 
 		if(p.first == p.second)
 		{
-			ret += boost::lexical_cast<std::string>(p.first);
+			ret += std::to_string(p.first);
 		}
 		else
 		{
@@ -683,7 +648,7 @@ void CRmgTemplate::serializeJson(JsonSerializeFormat & handler)
 
 	{
 		auto zonesData = handler.enterStruct("zones");
-        if(handler.saving)
+		if(handler.saving)
 		{
 			for(auto & idAndZone : zones)
 			{
@@ -693,7 +658,7 @@ void CRmgTemplate::serializeJson(JsonSerializeFormat & handler)
 		}
 		else
 		{
-			for(auto & idAndZone : zonesData->getCurrent().Struct())
+			for(const auto & idAndZone : zonesData->getCurrent().Struct())
 			{
 				auto guard = handler.enterStruct(idAndZone.first);
 				auto zone = std::make_shared<ZoneOptions>();

lib/rmg/CRmgTemplate.h

@@ -116,8 +116,6 @@ public:
 
 	ZoneOptions();
 
-	ZoneOptions & operator=(const ZoneOptions & other);
-
 	TRmgTemplateZoneId getId() const;
 	void setId(TRmgTemplateZoneId value);
 
@@ -210,7 +208,6 @@ public:
 	};
 
 	CRmgTemplate();
-	~CRmgTemplate();
 
 	bool matchesSize(const int3 & value) const;
 	bool isWaterContentAllowed(EWaterContent::EWaterContent waterContent) const;

lib/rmg/CRmgTemplateStorage.cpp

@@ -66,9 +66,10 @@ const CRmgTemplate * CRmgTemplateStorage::getTemplate(const std::string & templa
 std::vector<const CRmgTemplate *> CRmgTemplateStorage::getTemplates() const
 {
 	std::vector<const CRmgTemplate *> result;
-	for(auto i=templates.cbegin(); i!=templates.cend(); ++i)
+	result.reserve(templates.size());
+	for(const auto & i : templates)
 	{
-		result.push_back(&i->second);
+		result.push_back(&i.second);
 	}
 	return result;
 }

lib/rmg/CZonePlacer.cpp

@@ -30,14 +30,9 @@ CZonePlacer::CZonePlacer(RmgMap & map)
 
 }
 
-CZonePlacer::~CZonePlacer()
+int3 CZonePlacer::cords(const float3 & f) const
 {
-
-}
-
-int3 CZonePlacer::cords (const float3 f) const
-{
-	return int3((si32)std::max(0.f, (f.x * map.map().width)-1), (si32)std::max(0.f, (f.y * map.map().height-1)), f.z);
+	return int3(static_cast<si32>(std::max(0.f, (f.x * map.map().width) - 1)), static_cast<si32>(std::max(0.f, (f.y * map.map().height - 1))), f.z);
 }
 
 float CZonePlacer::getDistance (float distance) const
@@ -94,7 +89,7 @@ void CZonePlacer::placeZones(CRandomGenerator * rand)
 	{
 		//1. attract connected zones
 		attractConnectedZones(zones, forces, distances);
-		for (auto zone : forces)
+		for(const auto & zone : forces)
 		{
 			zone.first->setCenter (zone.first->getCenter() + zone.second);
 			totalForces[zone.first] = zone.second; //override
@@ -102,7 +97,7 @@ void CZonePlacer::placeZones(CRandomGenerator * rand)
 
 		//2. separate overlapping zones
 		separateOverlappingZones(zones, forces, overlaps);
-		for (auto zone : forces)
+		for(const auto & zone : forces)
 		{
 			zone.first->setCenter (zone.first->getCenter() + zone.second);
 			totalForces[zone.first] += zone.second; //accumulate
@@ -118,7 +113,7 @@ void CZonePlacer::placeZones(CRandomGenerator * rand)
 
 		float totalDistance = 0;
 		float totalOverlap = 0;
-		for (auto zone : distances) //find most misplaced zone
+		for(const auto & zone : distances) //find most misplaced zone
 		{
 			totalDistance += zone.second;
 			float overlap = overlaps[zone.first];
@@ -146,13 +141,13 @@ void CZonePlacer::placeZones(CRandomGenerator * rand)
 			bestTotalDistance = totalDistance;
 			bestTotalOverlap = totalOverlap;
 
-			for (auto zone : zones)
+			for(const auto & zone : zones)
 				bestSolution[zone.second] = zone.second->getCenter();
 		}
 	}
 
 	logGlobal->trace("Best fitness reached: total distance %2.4f, total overlap %2.4f", bestTotalDistance, bestTotalOverlap);
-	for (auto zone : zones) //finalize zone positions
+	for(const auto & zone : zones) //finalize zone positions
 	{
 		zone.second->setPos (cords (bestSolution[zone.second]));
 		logGlobal->trace("Placed zone %d at relative position %s and coordinates %s", zone.first, zone.second->getCenter().toString(), zone.second->getPos().toString());
@@ -174,7 +169,7 @@ void CZonePlacer::prepareZones(TZoneMap &zones, TZoneVector &zonesVector, const
 	std::map<TRmgTemplateZoneId, int> levels;
 
 	//first pass - determine fixed surface for zones
-	for (auto zone : zonesVector)
+	for(const auto & zone : zonesVector)
 	{
 		if (!underground) //this step is ignored
 			zonesToPlace.push_back(zone);
@@ -224,7 +219,7 @@ void CZonePlacer::prepareZones(TZoneMap &zones, TZoneVector &zonesVector, const
 			}
 		}
 	}
-	for (auto zone : zonesToPlace)
+	for(const auto & zone : zonesToPlace)
 	{
 		if (underground) //only then consider underground zones
 		{
@@ -240,11 +235,11 @@ void CZonePlacer::prepareZones(TZoneMap &zones, TZoneVector &zonesVector, const
 		else
 			levels[zone.first] = 0;
 	}
-	for (auto zone : zonesVector)
+	for(const auto & zone : zonesVector)
 	{
 		int level = levels[zone.first];
 		totalSize[level] += (zone.second->getSize() * zone.second->getSize());
-		float randomAngle = static_cast<float>(rand->nextDouble(0, pi2));
+		auto randomAngle = static_cast<float>(rand->nextDouble(0, pi2));
 		zone.second->setCenter(float3(0.5f + std::sin(randomAngle) * radius, 0.5f + std::cos(randomAngle) * radius, level)); //place zones around circle
 	}
 
@@ -258,17 +253,17 @@ void CZonePlacer::prepareZones(TZoneMap &zones, TZoneVector &zonesVector, const
 
 	std::vector<float> prescaler = { 0, 0 };
 	for (int i = 0; i < 2; i++)
-		prescaler[i] = sqrt((width * height) / (totalSize[i] * 3.14f));
+		prescaler[i] = std::sqrt((width * height) / (totalSize[i] * 3.14f));
 	mapSize = static_cast<float>(sqrt(width * height));
-	for (auto zone : zones)
+	for(const auto & zone : zones)
 	{
-		zone.second->setSize((int)(zone.second->getSize() * prescaler[zone.second->getCenter().z]));
+		zone.second->setSize(static_cast<int>(zone.second->getSize() * prescaler[zone.second->getCenter().z]));
 	}
 }
 
-void CZonePlacer::attractConnectedZones(TZoneMap &zones, TForceVector &forces, TDistanceVector &distances)
+void CZonePlacer::attractConnectedZones(TZoneMap & zones, TForceVector & forces, TDistanceVector & distances) const
 {
-	for (auto zone : zones)
+	for(const auto & zone : zones)
 	{
 		float3 forceVector(0, 0, 0);
 		float3 pos = zone.second->getCenter();
@@ -278,7 +273,7 @@ void CZonePlacer::attractConnectedZones(TZoneMap &zones, TForceVector &forces, T
 		{
 			auto otherZone = zones[con];
 			float3 otherZoneCenter = otherZone->getCenter();
-			float distance = static_cast<float>(pos.dist2d(otherZoneCenter));
+			auto distance = static_cast<float>(pos.dist2d(otherZoneCenter));
 			float minDistance = 0;
 
 			if (pos.z != otherZoneCenter.z)
@@ -302,21 +297,21 @@ void CZonePlacer::attractConnectedZones(TZoneMap &zones, TForceVector &forces, T
 
 void CZonePlacer::separateOverlappingZones(TZoneMap &zones, TForceVector &forces, TDistanceVector &overlaps)
 {
-	for (auto zone : zones)
+	for(const auto & zone : zones)
 	{
 		float3 forceVector(0, 0, 0);
 		float3 pos = zone.second->getCenter();
 
 		float overlap = 0;
 		//separate overlapping zones
-		for (auto otherZone : zones)
+		for(const auto & otherZone : zones)
 		{
 			float3 otherZoneCenter = otherZone.second->getCenter();
 			//zones on different levels don't push away
 			if (zone == otherZone || pos.z != otherZoneCenter.z)
 				continue;
 
-			float distance = static_cast<float>(pos.dist2d(otherZoneCenter));
+			auto distance = static_cast<float>(pos.dist2d(otherZoneCenter));
 			float minDistance = (zone.second->getSize() + otherZone.second->getSize()) / mapSize;
 			if (distance < minDistance)
 			{
@@ -332,7 +327,7 @@ void CZonePlacer::separateOverlappingZones(TZoneMap &zones, TForceVector &forces
 		auto pushAwayFromBoundary = [&forceVector, pos, size, &overlap, this](float x, float y)
 		{
 			float3 boundary = float3(x, y, pos.z);
-			float distance = static_cast<float>(pos.dist2d(boundary));
+			auto distance = static_cast<float>(pos.dist2d(boundary));
 			overlap += std::max<float>(0, distance - size); //check if we're closer to map boundary than value of zone size
 			forceVector -= (boundary - pos) * (size - distance) / this->getDistance(distance) * this->stiffnessConstant; //negative value
 		};
@@ -358,7 +353,7 @@ void CZonePlacer::separateOverlappingZones(TZoneMap &zones, TForceVector &forces
 	}
 }
 
-void CZonePlacer::moveOneZone(TZoneMap &zones, TForceVector &totalForces, TDistanceVector &distances, TDistanceVector &overlaps)
+void CZonePlacer::moveOneZone(TZoneMap & zones, TForceVector & totalForces, TDistanceVector & distances, TDistanceVector & overlaps) const
 {
 	float maxRatio = 0;
 	const int maxDistanceMovementRatio = static_cast<int>(zones.size() * zones.size()); //experimental - the more zones, the greater total distance expected
@@ -366,12 +361,12 @@ void CZonePlacer::moveOneZone(TZoneMap &zones, TForceVector &totalForces, TDista
 
 	float totalDistance = 0;
 	float totalOverlap = 0;
-	for (auto zone : distances) //find most misplaced zone
+	for(const auto & zone : distances) //find most misplaced zone
 	{
 		totalDistance += zone.second;
 		float overlap = overlaps[zone.first];
 		totalOverlap += overlap;
-		float ratio = (zone.second + overlap) / (float)totalForces[zone.first].mag(); //if distance to actual movement is long, the zone is misplaced
+		float ratio = (zone.second + overlap) / static_cast<float>(totalForces[zone.first].mag()); //if distance to actual movement is long, the zone is misplaced
 		if (ratio > maxRatio)
 		{
 			maxRatio = ratio;
@@ -413,14 +408,14 @@ void CZonePlacer::moveOneZone(TZoneMap &zones, TForceVector &totalForces, TDista
 		else
 		{
 			float maxOverlap = 0;
-			for (auto otherZone : zones)
+			for(const auto & otherZone : zones)
 			{
 				float3 otherZoneCenter = otherZone.second->getCenter();
 
 				if (otherZone.second == misplacedZone || otherZoneCenter.z != ourCenter.z)
 					continue;
 
-				float distance = static_cast<float>(otherZoneCenter.dist2dSQ(ourCenter));
+				auto distance = static_cast<float>(otherZoneCenter.dist2dSQ(ourCenter));
 				if (distance > maxOverlap)
 				{
 					maxOverlap = distance;
@@ -478,7 +473,7 @@ void CZonePlacer::assignZones(CRandomGenerator * rand)
 		return pr.second->getType() == ETemplateZoneType::WATER;
 	});
 
-	typedef std::pair<std::shared_ptr<Zone>, float> Dpair;
+	using Dpair = std::pair<std::shared_ptr<Zone>, float>;
 	std::vector <Dpair> distances;
 	distances.reserve(zones.size());
 
@@ -490,11 +485,11 @@ void CZonePlacer::assignZones(CRandomGenerator * rand)
 		return lhs.second / lhs.first->getSize() < rhs.second / rhs.first->getSize();
 	};
 
-	auto moveZoneToCenterOfMass = [](std::shared_ptr<Zone> zone) -> void
+	auto moveZoneToCenterOfMass = [](const std::shared_ptr<Zone> & zone) -> void
 	{
 		int3 total(0, 0, 0);
 		auto tiles = zone->area().getTiles();
-		for (auto tile : tiles)
+		for(const auto & tile : tiles)
 		{
 			total += tile;
 		}
@@ -518,19 +513,19 @@ void CZonePlacer::assignZones(CRandomGenerator * rand)
 			for(pos.y = 0; pos.y < height; pos.y++)
 			{
 				distances.clear();
-				for(auto zone : zones)
+				for(const auto & zone : zones)
 				{
 					if (zone.second->getPos().z == pos.z)
-						distances.push_back(std::make_pair(zone.second, (float)pos.dist2dSQ(zone.second->getPos())));
+						distances.emplace_back(zone.second, static_cast<float>(pos.dist2dSQ(zone.second->getPos())));
 					else
-						distances.push_back(std::make_pair(zone.second, std::numeric_limits<float>::max()));
+						distances.emplace_back(zone.second, std::numeric_limits<float>::max());
 				}
 				boost::min_element(distances, compareByDistance)->first->area().add(pos); //closest tile belongs to zone
 			}
 		}
 	}
 
-	for (auto zone : zones)
+	for(const auto & zone : zones)
 	{
 		if(zone.second->area().empty())
 			throw rmgException("Empty zone is generated, probably RMG template is inappropriate for map size");
@@ -540,7 +535,7 @@ void CZonePlacer::assignZones(CRandomGenerator * rand)
 
 	//assign actual tiles to each zone using nonlinear norm for fine edges
 
-	for (auto zone : zones)
+	for(const auto & zone : zones)
 		zone.second->clearTiles(); //now populate them again
 
 	for (pos.z = 0; pos.z < levels; pos.z++)
@@ -550,12 +545,12 @@ void CZonePlacer::assignZones(CRandomGenerator * rand)
 			for (pos.y = 0; pos.y < height; pos.y++)
 			{
 				distances.clear();
-				for (auto zone : zones)
+				for(const auto & zone : zones)
 				{
 					if (zone.second->getPos().z == pos.z)
-						distances.push_back (std::make_pair(zone.second, metric(pos, zone.second->getPos())));
+						distances.emplace_back(zone.second, metric(pos, zone.second->getPos()));
 					else
-						distances.push_back (std::make_pair(zone.second, std::numeric_limits<float>::max()));
+						distances.emplace_back(zone.second, std::numeric_limits<float>::max());
 				}
 				auto zone = boost::min_element(distances, compareByDistance)->first; //closest tile belongs to zone
 				zone->area().add(pos);
@@ -564,7 +559,7 @@ void CZonePlacer::assignZones(CRandomGenerator * rand)
 		}
 	}
 	//set position (town position) to center of mass of irregular zone
-	for (auto zone : zones)
+	for(const auto & zone : zones)
 	{
 		moveZoneToCenterOfMass(zone.second);
 
@@ -575,7 +570,7 @@ void CZonePlacer::assignZones(CRandomGenerator * rand)
 			if (!CREATE_FULL_UNDERGROUND)
 			{
 				auto discardTiles = collectDistantTiles(*zone.second, zone.second->getSize() + 1.f);
-				for(auto& t : discardTiles)
+				for(const auto & t : discardTiles)
 					zone.second->area().erase(t);
 			}
 

lib/rmg/CZonePlacer.h

@@ -31,19 +31,19 @@ class CZonePlacer
 {
 public:
 	explicit CZonePlacer(RmgMap & map);
-	int3 cords (const float3 f) const;
+	int3 cords(const float3 & f) const;
 	float metric (const int3 &a, const int3 &b) const;
 	float getDistance(float distance) const; //additional scaling without 0 divison
-	~CZonePlacer();
+	~CZonePlacer() = default;
 
 	void placeZones(CRandomGenerator * rand);
 	void assignZones(CRandomGenerator * rand);
 	
 private:
 	void prepareZones(TZoneMap &zones, TZoneVector &zonesVector, const bool underground, CRandomGenerator * rand);
-	void attractConnectedZones(TZoneMap &zones, TForceVector &forces, TDistanceVector &distances);
+	void attractConnectedZones(TZoneMap & zones, TForceVector & forces, TDistanceVector & distances) const;
 	void separateOverlappingZones(TZoneMap &zones, TForceVector &forces, TDistanceVector &overlaps);
-	void moveOneZone(TZoneMap &zones, TForceVector &totalForces, TDistanceVector &distances, TDistanceVector &overlaps);
+	void moveOneZone(TZoneMap & zones, TForceVector & totalForces, TDistanceVector & distances, TDistanceVector & overlaps) const;
 
 private:
 	int width;

lib/rmg/ConnectionsPlacer.cpp

@@ -133,7 +133,8 @@ void ConnectionsPlacer::selfSideDirectConnection(const rmg::ZoneConnection & con
 			auto ourArea = zone.areaPossible() + zone.freePaths();
 			auto theirArea = otherZone->areaPossible() + otherZone->freePaths();
 			theirArea.add(guardPos);
-			rmg::Path ourPath(ourArea), theirPath(theirArea);
+			rmg::Path ourPath(ourArea);
+			rmg::Path theirPath(theirArea);
 			ourPath.connect(zone.freePaths());
 			ourPath = ourPath.search(guardPos, true, costFunction);
 			theirPath.connect(otherZone->freePaths());
@@ -210,9 +211,10 @@ void ConnectionsPlacer::selfSideIndirectConnection(const rmg::ZoneConnection & c
 			auto & managerOther = *otherZone->getModificator<ObjectManager>();
 			
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::SUBTERRANEAN_GATE, 0);
-			auto gate1 = factory->create();
-			auto gate2 = factory->create();
-			rmg::Object rmgGate1(*gate1), rmgGate2(*gate2);
+			auto * gate1 = factory->create();
+			auto * gate2 = factory->create();
+			rmg::Object rmgGate1(*gate1);
+			rmg::Object rmgGate2(*gate2);
 			rmgGate1.setTemplate(zone.getTerrainType());
 			rmgGate2.setTemplate(otherZone->getTerrainType());
 			bool guarded1 = manager.addGuard(rmgGate1, connection.getGuardStrength(), true);
@@ -255,9 +257,9 @@ void ConnectionsPlacer::selfSideIndirectConnection(const rmg::ZoneConnection & c
 	if(!success)
 	{
 		auto factory = VLC->objtypeh->getHandlerFor(Obj::MONOLITH_TWO_WAY, generator.getNextMonlithIndex());
-		auto teleport1 = factory->create();
-		auto teleport2 = factory->create();
-		
+		auto * teleport1 = factory->create();
+		auto * teleport2 = factory->create();
+
 		zone.getModificator<ObjectManager>()->addRequiredObject(teleport1, connection.getGuardStrength());
 		otherZone->getModificator<ObjectManager>()->addRequiredObject(teleport2, connection.getGuardStrength());
 		
@@ -274,7 +276,7 @@ void ConnectionsPlacer::selfSideIndirectConnection(const rmg::ZoneConnection & c
 void ConnectionsPlacer::collectNeighbourZones()
 {
 	auto border = zone.area().getBorderOutside();
-	for(auto & i : border)
+	for(const auto & i : border)
 	{
 		if(!map.isOnMap(i))
 			continue;

lib/rmg/Functions.cpp

@@ -76,8 +76,8 @@ void createBorder(RmgMap & gen, Zone & zone)
 		auto tile = borderOutsideArea.nearest(t);
 		return gen.isOnMap(tile) && gen.getZones()[gen.getZoneID(tile)]->getType() != ETemplateZoneType::WATER;
 	});
-	
-	for(auto & tile : blockBorder.getTilesVector())
+
+	for(const auto & tile : blockBorder.getTilesVector())
 	{
 		if(gen.isPossible(tile))
 		{

lib/rmg/ObjectManager.cpp

@@ -42,7 +42,7 @@ void ObjectManager::init()
 void ObjectManager::createDistancesPriorityQueue()
 {
 	tilesByDistance.clear();
-	for (auto & tile : zone.areaPossible().getTilesVector())
+	for(const auto & tile : zone.areaPossible().getTilesVector())
 	{
 		tilesByDistance.push(std::make_pair(tile, map.getNearestObjectDistance(tile)));
 	}
@@ -50,17 +50,17 @@ void ObjectManager::createDistancesPriorityQueue()
 
 void ObjectManager::addRequiredObject(CGObjectInstance * obj, si32 strength)
 {
-	requiredObjects.push_back(std::make_pair(obj, strength));
+	requiredObjects.emplace_back(obj, strength);
 }
 
 void ObjectManager::addCloseObject(CGObjectInstance * obj, si32 strength)
 {
-	closeObjects.push_back(std::make_pair(obj, strength));
+	closeObjects.emplace_back(obj, strength);
 }
 
 void ObjectManager::addNearbyObject(CGObjectInstance * obj, CGObjectInstance * nearbyTarget)
 {
-	nearbyObjects.push_back(std::make_pair(obj, nearbyTarget));
+	nearbyObjects.emplace_back(obj, nearbyTarget);
 }
 
 void ObjectManager::updateDistances(const rmg::Object & obj)
@@ -69,7 +69,7 @@ void ObjectManager::updateDistances(const rmg::Object & obj)
 	for (auto tile : zone.areaPossible().getTiles()) //don't need to mark distance for not possible tiles
 	{
 		ui32 d = obj.getArea().distanceSqr(tile); //optimization, only relative distance is interesting
-		map.setNearestObjectDistance(tile, std::min((float)d, map.getNearestObjectDistance(tile)));
+		map.setNearestObjectDistance(tile, std::min(static_cast<float>(d), map.getNearestObjectDistance(tile)));
 		tilesByDistance.push(std::make_pair(tile, map.getNearestObjectDistance(tile)));
 	}
 }
@@ -82,8 +82,8 @@ const rmg::Area & ObjectManager::getVisitableArea() const
 std::vector<CGObjectInstance*> ObjectManager::getMines() const
 {
 	std::vector<CGObjectInstance*> mines;
-	
-	for (auto object : objects)
+
+	for(auto * object : objects)
 	{
 		if (object->ID == Obj::MINE)
 		{
@@ -94,7 +94,7 @@ std::vector<CGObjectInstance*> ObjectManager::getMines() const
 	return mines;
 }
 
-int3 ObjectManager::findPlaceForObject(const rmg::Area & searchArea, rmg::Object & obj, std::function<float(const int3)> weightFunction, OptimizeType optimizer) const
+int3 ObjectManager::findPlaceForObject(const rmg::Area & searchArea, rmg::Object & obj, const std::function<float(const int3)> & weightFunction, OptimizeType optimizer) const
 {
 	float bestWeight = 0.f;
 	int3 result(-1, -1, -1);
@@ -159,8 +159,8 @@ int3 ObjectManager::findPlaceForObject(const rmg::Area & searchArea, rmg::Object
 		float dist = ti.getNearestObjectDistance();
 		if(dist < min_dist)
 			return -1.f;
-		
-		for(auto & t : obj.getArea().getTilesVector())
+
+		for(const auto & t : obj.getArea().getTilesVector())
 		{
 			if(map.getTile(t).getNearestObjectDistance() < min_dist)
 				return -1.f;
@@ -178,8 +178,8 @@ rmg::Path ObjectManager::placeAndConnectObject(const rmg::Area & searchArea, rmg
 		float dist = ti.getNearestObjectDistance();
 		if(dist < min_dist)
 			return -1.f;
-		
-		for(auto & t : obj.getArea().getTilesVector())
+
+		for(const auto & t : obj.getArea().getTilesVector())
 		{
 			if(map.getTile(t).getNearestObjectDistance() < min_dist)
 				return -1.f;
@@ -189,7 +189,7 @@ rmg::Path ObjectManager::placeAndConnectObject(const rmg::Area & searchArea, rmg
 	}, isGuarded, onlyStraight, optimizer);
 }
 
-rmg::Path ObjectManager::placeAndConnectObject(const rmg::Area & searchArea, rmg::Object & obj, std::function<float(const int3)> weightFunction, bool isGuarded, bool onlyStraight, OptimizeType optimizer) const
+rmg::Path ObjectManager::placeAndConnectObject(const rmg::Area & searchArea, rmg::Object & obj, const std::function<float(const int3)> & weightFunction, bool isGuarded, bool onlyStraight, OptimizeType optimizer) const
 {
 	int3 pos;
 	auto possibleArea = searchArea;
@@ -205,7 +205,7 @@ rmg::Path ObjectManager::placeAndConnectObject(const rmg::Area & searchArea, rmg
 		//we should exclude tiles which will be covered
 		if(isGuarded)
 		{
-			auto & guardedArea = obj.instances().back()->getAccessibleArea();
+			const auto & guardedArea = obj.instances().back()->getAccessibleArea();
 			accessibleArea.intersect(guardedArea);
 			accessibleArea.add(obj.instances().back()->getPosition(true));
 		}
@@ -214,8 +214,8 @@ rmg::Path ObjectManager::placeAndConnectObject(const rmg::Area & searchArea, rmg
 		{
 			if(isGuarded)
 			{
-				auto & guardedArea =  obj.instances().back()->getAccessibleArea();
-				auto & unguardedArea = obj.getAccessibleArea(isGuarded);
+				const auto & guardedArea = obj.instances().back()->getAccessibleArea();
+				const auto & unguardedArea = obj.getAccessibleArea(isGuarded);
 				if(unguardedArea.contains(t) && !guardedArea.contains(t))
 					return false;
 				
@@ -353,7 +353,7 @@ void ObjectManager::placeObject(rmg::Object & object, bool guarded, bool updateD
 		auto areaToBlock = object.getAccessibleArea(true);
 		areaToBlock.subtract(guardedArea);
 		zone.areaPossible().subtract(areaToBlock);
-		for(auto & i : areaToBlock.getTilesVector())
+		for(const auto & i : areaToBlock.getTilesVector())
 			if(map.isOnMap(i) && map.isPossible(i))
 				map.setOccupied(i, ETileType::BLOCKED);
 	}
@@ -429,12 +429,12 @@ CGCreature * ObjectManager::chooseGuard(si32 strength, bool zoneGuard)
 			continue;
 		if(!vstd::contains(zone.getMonsterTypes(), cre->faction))
 			continue;
-		if(((si32)(cre->AIValue * (cre->ammMin + cre->ammMax) / 2) < strength) && (strength < (si32)cre->AIValue * 100)) //at least one full monster. size between average size of given stack and 100
+		if((static_cast<si32>(cre->AIValue * (cre->ammMin + cre->ammMax) / 2) < strength) && (strength < static_cast<si32>(cre->AIValue) * 100)) //at least one full monster. size between average size of given stack and 100
 		{
 			possibleCreatures.push_back(cre->idNumber);
 		}
 	}
-	if(possibleCreatures.size())
+	if(!possibleCreatures.empty())
 	{
 		creId = *RandomGeneratorUtil::nextItem(possibleCreatures, generator.rand);
 		amount = strength / VLC->creh->objects[creId]->AIValue;
@@ -448,10 +448,10 @@ CGCreature * ObjectManager::chooseGuard(si32 strength, bool zoneGuard)
 	}
 	
 	auto guardFactory = VLC->objtypeh->getHandlerFor(Obj::MONSTER, creId);
-	
-	auto guard = (CGCreature *) guardFactory->create();
+
+	auto * guard = dynamic_cast<CGCreature *>(guardFactory->create());
 	guard->character = CGCreature::HOSTILE;
-	auto  hlp = new CStackInstance(creId, amount);
+	auto * hlp = new CStackInstance(creId, amount);
 	//will be set during initialization
 	guard->putStack(SlotID(0), hlp);
 	return guard;

lib/rmg/ObjectManager.h

@@ -53,10 +53,10 @@ public:
 	bool createRequiredObjects();
 
 	int3 findPlaceForObject(const rmg::Area & searchArea, rmg::Object & obj, si32 min_dist, OptimizeType optimizer) const;
-	int3 findPlaceForObject(const rmg::Area & searchArea, rmg::Object & obj, std::function<float(const int3)> weightFunction, OptimizeType optimizer) const;
+	int3 findPlaceForObject(const rmg::Area & searchArea, rmg::Object & obj, const std::function<float(const int3)> & weightFunction, OptimizeType optimizer) const;
 
 	rmg::Path placeAndConnectObject(const rmg::Area & searchArea, rmg::Object & obj, si32 min_dist, bool isGuarded, bool onlyStraight, OptimizeType optimizer) const;
-	rmg::Path placeAndConnectObject(const rmg::Area & searchArea, rmg::Object & obj, std::function<float(const int3)> weightFunction, bool isGuarded, bool onlyStraight, OptimizeType optimizer) const;
+	rmg::Path placeAndConnectObject(const rmg::Area & searchArea, rmg::Object & obj, const std::function<float(const int3)> & weightFunction, bool isGuarded, bool onlyStraight, OptimizeType optimizer) const;
 
 	CGCreature * chooseGuard(si32 strength, bool zoneGuard = false);
 	bool addGuard(rmg::Object & object, si32 strength, bool zoneGuard = false);

lib/rmg/ObstaclePlacer.cpp

@@ -36,7 +36,7 @@ void ObstacleProxy::collectPossibleObstacles(TerrainId terrain)
 			auto handler = VLC->objtypeh->getHandlerFor(primaryID, secondaryID);
 			if(handler->isStaticObject())
 			{
-				for(auto temp : handler->getTemplates())
+				for(const auto & temp : handler->getTemplates())
 				{
 					if(temp->canBePlacedAt(terrain) && temp->getBlockMapOffset().valid())
 						obstaclesBySize[temp->getBlockedOffsets().size()].push_back(temp);
@@ -44,9 +44,9 @@ void ObstacleProxy::collectPossibleObstacles(TerrainId terrain)
 			}
 		}
 	}
-	for(auto o : obstaclesBySize)
+	for(const auto & o : obstaclesBySize)
 	{
-		possibleObstacles.push_back(o);
+		possibleObstacles.emplace_back(o);
 	}
 	boost::sort(possibleObstacles, [](const ObstaclePair &p1, const ObstaclePair &p2) -> bool
 	{
@@ -57,21 +57,21 @@ void ObstacleProxy::collectPossibleObstacles(TerrainId terrain)
 int ObstacleProxy::getWeightedObjects(const int3 & tile, const CMap * map, CRandomGenerator & rand, std::list<rmg::Object> & allObjects, std::vector<std::pair<rmg::Object*, int3>> & weightedObjects)
 {
 	int maxWeight = std::numeric_limits<int>::min();
-	for(int i = 0; i < possibleObstacles.size(); ++i)
+	for(auto & possibleObstacle : possibleObstacles)
 	{
-		if(!possibleObstacles[i].first)
+		if(!possibleObstacle.first)
 			continue;
 
-		auto shuffledObstacles = possibleObstacles[i].second;
+		auto shuffledObstacles = possibleObstacle.second;
 		RandomGeneratorUtil::randomShuffle(shuffledObstacles, rand);
 
-		for(auto temp : shuffledObstacles)
+		for(const auto & temp : shuffledObstacles)
 		{
 			auto handler = VLC->objtypeh->getHandlerFor(temp->id, temp->subid);
-			auto obj = handler->create(temp);
+			auto * obj = handler->create(temp);
 			allObjects.emplace_back(*obj);
 			rmg::Object * rmgObject = &allObjects.back();
-			for(auto & offset : obj->getBlockedOffsets())
+			for(const auto & offset : obj->getBlockedOffsets())
 			{
 				rmgObject->setPosition(tile - offset);
 				if(!map->isInTheMap(rmgObject->getPosition()))
@@ -89,7 +89,7 @@ int ObstacleProxy::getWeightedObjects(const int3 & tile, const CMap * map, CRand
 				int coverageBlocked = 0;
 				int coveragePossible = 0;
 				//do not use area intersection in optimization purposes
-				for(auto & t : rmgObject->getArea().getTilesVector())
+				for(const auto & t : rmgObject->getArea().getTilesVector())
 				{
 					auto coverage = verifyCoverage(t);
 					if(coverage.first)
@@ -98,8 +98,8 @@ int ObstacleProxy::getWeightedObjects(const int3 & tile, const CMap * map, CRand
 						++coveragePossible;
 				}
 
-				int coverageOverlap = possibleObstacles[i].first - coverageBlocked - coveragePossible;
-				int weight = possibleObstacles[i].first + coverageBlocked - coverageOverlap * possibleObstacles[i].first;
+				int coverageOverlap = possibleObstacle.first - coverageBlocked - coveragePossible;
+				int weight = possibleObstacle.first + coverageBlocked - coverageOverlap * possibleObstacle.first;
 				assert(coverageOverlap >= 0);
 
 				if(weight > maxWeight)

lib/rmg/RiverPlacer.cpp

@@ -71,7 +71,7 @@ const std::array<std::array<int, 25>, 4> deltaTemplates
 void RiverPlacer::process()
 {
 	preprocess();
-	for(auto & t : riverNodes)
+	for(const auto & t : riverNodes)
 		connectRiver(t);
 	
 	if(!rivers.empty())
@@ -134,8 +134,8 @@ void RiverPlacer::prepareHeightmap()
 	{
 		roads.unite(m->getRoads());
 	}
-	
-	for(auto & t : zone.area().getTilesVector())
+
+	for(const auto & t : zone.area().getTilesVector())
 	{
 		heightMap[t] = generator.rand.nextInt(5);
 		
@@ -164,7 +164,7 @@ void RiverPlacer::preprocess()
 	std::map<TRmgTemplateZoneId, rmg::Area> neighbourZonesTiles;
 	rmg::Area borderArea(zone.getArea().getBorder());
 	TRmgTemplateZoneId connectedToWaterZoneId = -1;
-	for(auto & t : zone.getArea().getBorderOutside())
+	for(const auto & t : zone.getArea().getBorderOutside())
 	{
 		if(!map.isOnMap(t))
 		{
@@ -200,7 +200,7 @@ void RiverPlacer::preprocess()
 		auto river = VLC->terrainTypeHandler->getById(zone.getTerrainType())->river;
 		auto & a = neighbourZonesTiles[connectedToWaterZoneId];
 		auto availableArea = zone.areaPossible() + zone.freePaths();
-		for(auto & tileToProcess : availableArea.getTilesVector())
+		for(const auto & tileToProcess : availableArea.getTilesVector())
 		{
 			int templateId = -1;
 			for(int tId = 0; tId < 4; ++tId)
@@ -390,7 +390,7 @@ void RiverPlacer::connectRiver(const int3 & tile)
 			{
 				if(templ->animationFile == targetTemplateName)
 				{
-					auto obj = handler->create(templ);
+					auto * obj = handler->create(templ);
 					rmg::Object deltaObj(*obj, deltaPositions[pos]);
 					deltaObj.finalize(map);
 				}

lib/rmg/RmgArea.cpp

@@ -20,7 +20,7 @@ namespace rmg
 void toAbsolute(Tileset & tiles, const int3 & position)
 {
 	Tileset temp;
-	for(auto & tile : tiles)
+	for(const auto & tile : tiles)
 	{
 		temp.insert(tile + position);
 	}
@@ -36,11 +36,10 @@ Area::Area(const Area & area): dTiles(area.dTiles), dTotalShiftCache(area.dTotal
 {
 }
 
-Area::Area(const Area && area): dTiles(std::move(area.dTiles)), dTotalShiftCache(std::move(area.dTotalShiftCache))
+Area::Area(Area && area) noexcept: dTiles(std::move(area.dTiles)), dTotalShiftCache(area.dTotalShiftCache)
 {
 }
 
-
 Area & Area::operator=(const Area & area)
 {
 	clear();
@@ -49,11 +48,11 @@ Area & Area::operator=(const Area & area)
 	return *this;
 }
 
-Area::Area(const Tileset & tiles): dTiles(tiles)
+Area::Area(Tileset tiles): dTiles(std::move(tiles))
 {
 }
 
-Area::Area(const Tileset & relative, const int3 & position): dTiles(relative), dTotalShiftCache(position)
+Area::Area(Tileset relative, const int3 & position): dTiles(std::move(relative)), dTotalShiftCache(position)
 {
 }
 
@@ -148,7 +147,7 @@ const Tileset & Area::getBorder() const
 		return dBorderCache;
 	
 	//compute border cache
-	for(auto & t : dTiles)
+	for(const auto & t : dTiles)
 	{
 		for(auto & i : int3::getDirs())
 		{
@@ -169,7 +168,7 @@ const Tileset & Area::getBorderOutside() const
 		return dBorderOutsideCache;
 	
 	//compute outside border cache
-	for(auto & t : dTiles)
+	for(const auto & t : dTiles)
 	{
 		for(auto & i : int3::getDirs())
 		{
@@ -190,7 +189,7 @@ DistanceMap Area::computeDistanceMap(std::map<int, Tileset> & reverseDistanceMap
 	
 	while(!area.empty())
 	{
-		for(auto & tile : area.getBorder())
+		for(const auto & tile : area.getBorder())
 			result[tile] = distance;
 		reverseDistanceMap[distance++] = area.getBorder();
 		area.subtract(area.getBorder());
@@ -210,7 +209,7 @@ bool Area::contains(const int3 & tile) const
 
 bool Area::contains(const std::vector<int3> & tiles) const
 {
-	for(auto & t : tiles)
+	for(const auto & t : tiles)
 	{
 		if(!contains(t))
 			return false;
@@ -225,7 +224,7 @@ bool Area::contains(const Area & area) const
 
 bool Area::overlap(const std::vector<int3> & tiles) const
 {
-	for(auto & t : tiles)
+	for(const auto & t : tiles)
 	{
 		if(contains(t))
 			return true;
@@ -280,10 +279,10 @@ int3 Area::nearest(const Area & area) const
 	return nearTile;
 }
 
-Area Area::getSubarea(std::function<bool(const int3 &)> filter) const
+Area Area::getSubarea(const std::function<bool(const int3 &)> & filter) const
 {
 	Area subset;
-	for(auto & t : getTilesVector())
+	for(const auto & t : getTilesVector())
 		if(filter(t))
 			subset.add(t);
 	return subset;
@@ -316,7 +315,7 @@ void Area::erase(const int3 & tile)
 void Area::unite(const Area & area)
 {
 	invalidate();
-	for(auto & t : area.getTilesVector())
+	for(const auto & t : area.getTilesVector())
 	{
 		dTiles.insert(t);
 	}
@@ -325,7 +324,7 @@ void Area::intersect(const Area & area)
 {
 	invalidate();
 	Tileset result;
-	for(auto & t : area.getTilesVector())
+	for(const auto & t : area.getTilesVector())
 	{
 		if(dTiles.count(t))
 			result.insert(t);
@@ -336,7 +335,7 @@ void Area::intersect(const Area & area)
 void Area::subtract(const Area & area)
 {
 	invalidate();
-	for(auto & t : area.getTilesVector())
+	for(const auto & t : area.getTilesVector())
 	{
 		dTiles.erase(t);
 	}

lib/rmg/RmgArea.h

@@ -30,9 +30,9 @@ namespace rmg
 	public:
 		Area() = default;
 		Area(const Area &);
-		Area(const Area &&);
-		Area(const Tileset & tiles);
-		Area(const Tileset & relative, const int3 & position); //create from relative positions
+		Area(Area &&) noexcept;
+		Area(Tileset tiles);
+		Area(Tileset relative, const int3 & position); //create from relative positions
 		Area & operator= (const Area &);
 		
 		const Tileset & getTiles() const;
@@ -41,9 +41,9 @@ namespace rmg
 		const Tileset & getBorderOutside() const; //lazy cache invalidation
 		
 		DistanceMap computeDistanceMap(std::map<int, Tileset> & reverseDistanceMap) const;
-		
-		Area getSubarea(std::function<bool(const int3 &)> filter) const;
-		
+
+		Area getSubarea(const std::function<bool(const int3 &)> & filter) const;
+
 		bool connected() const; //is connected
 		bool empty() const;
 		bool contains(const int3 & tile) const;

lib/rmg/RmgMap.cpp

@@ -39,7 +39,7 @@ RmgMap::RmgMap(const CMapGenOptions& mapGenOptions) :
 	getEditManager()->getUndoManager().setUndoRedoLimit(0);
 }
 
-void RmgMap::foreach_neighbour(const int3 &pos, std::function<void(int3& pos)> foo)
+void RmgMap::foreach_neighbour(const int3 & pos, const std::function<void(int3 & pos)> & foo) const
 {
 	for(const int3 &dir : int3::getDirs())
 	{
@@ -51,7 +51,7 @@ void RmgMap::foreach_neighbour(const int3 &pos, std::function<void(int3& pos)> f
 	}
 }
 
-void RmgMap::foreachDirectNeighbour(const int3& pos, std::function<void(int3& pos)> foo)
+void RmgMap::foreachDirectNeighbour(const int3 & pos, const std::function<void(int3 & pos)> & foo) const
 {
 	for(const int3 &dir : rmg::dirs4)
 	{
@@ -61,7 +61,7 @@ void RmgMap::foreachDirectNeighbour(const int3& pos, std::function<void(int3& po
 	}
 }
 
-void RmgMap::foreachDiagonalNeighbour(const int3& pos, std::function<void(int3& pos)> foo)
+void RmgMap::foreachDiagonalNeighbour(const int3 & pos, const std::function<void(int3 & pos)> & foo) const
 {
 	for (const int3 &dir : rmg::dirsDiagonal)
 	{
@@ -85,13 +85,13 @@ void RmgMap::initTiles(CMapGenerator & generator)
 	getEditManager()->clearTerrain(&generator.rand);
 	getEditManager()->getTerrainSelection().selectRange(MapRect(int3(0, 0, 0), mapGenOptions.getWidth(), mapGenOptions.getHeight()));
 	getEditManager()->drawTerrain(ETerrainId::GRASS, &generator.rand);
-	
-	auto tmpl = mapGenOptions.getMapTemplate();
+
+	const auto * tmpl = mapGenOptions.getMapTemplate();
 	zones.clear();
 	for(const auto & option : tmpl->getZones())
 	{
 		auto zone = std::make_shared<Zone>(*this, generator);
-		zone->setOptions(*option.second.get());
+		zone->setOptions(*option.second);
 		zones[zone->getId()] = zone;
 	}
 	
@@ -147,10 +147,6 @@ void RmgMap::addModificators()
 	}
 }
 
-RmgMap::~RmgMap()
-{
-}
-
 CMap & RmgMap::map() const
 {
 	return *mapInstance;
@@ -289,7 +285,7 @@ ui32 RmgMap::getTotalZoneCount() const
 	return zonesTotal;
 }
 
-bool RmgMap::isAllowedSpell(SpellID sid) const
+bool RmgMap::isAllowedSpell(const SpellID & sid) const
 {
 	assert(sid >= 0);
 	if (sid < mapInstance->allowedSpell.size())

lib/rmg/RmgMap.h

@@ -28,15 +28,15 @@ public:
 	CMap & map() const;
 	
 	RmgMap(const CMapGenOptions& mapGenOptions);
-	~RmgMap();
-	
+	~RmgMap() = default;
+
 	CMapEditManager* getEditManager() const;
 	const CMapGenOptions& getMapGenOptions() const;
-	
-	void foreach_neighbour(const int3 &pos, std::function<void(int3& pos)> foo);
-	void foreachDirectNeighbour(const int3 &pos, std::function<void(int3& pos)> foo);
-	void foreachDiagonalNeighbour(const int3& pos, std::function<void(int3& pos)> foo);
-	
+
+	void foreach_neighbour(const int3 & pos, const std::function<void(int3 & pos)> & foo) const;
+	void foreachDirectNeighbour(const int3 & pos, const std::function<void(int3 & pos)> & foo) const;
+	void foreachDiagonalNeighbour(const int3 & pos, const std::function<void(int3 & pos)> & foo) const;
+
 	bool isBlocked(const int3 &tile) const;
 	bool shouldBeBlocked(const int3 &tile) const;
 	bool isPossible(const int3 &tile) const;
@@ -65,9 +65,9 @@ public:
 	ui32 getTotalZoneCount() const;
 	void initTiles(CMapGenerator & generator);
 	void addModificators();
-	
-	bool isAllowedSpell(SpellID sid) const;
-	
+
+	bool isAllowedSpell(const SpellID & sid) const;
+
 	void dump(bool zoneId) const;
 	
 private:

lib/rmg/RmgObject.cpp

@@ -64,7 +64,7 @@ const rmg::Area & Object::Instance::getAccessibleArea() const
 	{
 		auto neighbours = rmg::Area({getVisitablePosition()}).getBorderOutside();
 		rmg::Area visitable = rmg::Area(neighbours) - getBlockedArea();
-		for(auto & from : visitable.getTiles())
+		for(const auto & from : visitable.getTiles())
 		{
 			if(isVisitableFrom(from))
 				dAccessibleAreaCache.add(from);
@@ -166,10 +166,9 @@ Object::Object(CGObjectInstance & object)
 	addInstance(object);
 }
 
-Object::Object(const Object & object)
+Object::Object(const Object & object): dStrength(object.dStrength)
 {
-	dStrenght = object.dStrenght;
-	for(auto & i : object.dInstances)
+	for(const auto & i : object.dInstances)
 		addInstance(const_cast<CGObjectInstance &>(i.object()), i.getPosition());
 	setPosition(object.getPosition());
 }
@@ -225,7 +224,7 @@ const int3 & Object::getPosition() const
 int3 Object::getVisitablePosition() const
 {
 	assert(!dInstances.empty());
-	for(auto & instance : dInstances)
+	for(const auto & instance : dInstances)
 		if(!getArea().contains(instance.getVisitablePosition()))
 			return instance.getVisitablePosition();
 	
@@ -293,7 +292,7 @@ void Object::Instance::finalize(RmgMap & map)
 	//If no specific template was defined for this object, select any matching
 	if (!dObject.appearance)
 	{
-		auto terrainType = map.map().getTile(getPosition(true)).terType;
+		const auto * terrainType = map.map().getTile(getPosition(true)).terType;
 		auto templates = VLC->objtypeh->getHandlerFor(dObject.ID, dObject.subID)->getTemplates(terrainType->getId());
 		if (templates.empty())
 		{
@@ -307,14 +306,14 @@ void Object::Instance::finalize(RmgMap & map)
 
 	if (dObject.isVisitable() && !map.isOnMap(dObject.visitablePos()))
 		throw rmgException(boost::to_string(boost::format("Visitable tile %s of object %d at %s is outside the map") % dObject.visitablePos().toString() % dObject.id % dObject.pos.toString()));
-	
-	for (auto & tile : dObject.getBlockedPos())
+
+	for(const auto & tile : dObject.getBlockedPos())
 	{
 		if(!map.isOnMap(tile))
 			throw rmgException(boost::to_string(boost::format("Tile %s of object %d at %s is outside the map") % tile.toString() % dObject.id % dObject.pos.toString()));
 	}
-	
-	for(auto & tile : getBlockedArea().getTilesVector())
+
+	for(const auto & tile : getBlockedArea().getTilesVector())
 	{
 		map.setOccupied(tile, ETileType::ETileType::USED);
 	}
@@ -326,10 +325,10 @@ void Object::finalize(RmgMap & map)
 {
 	if(dInstances.empty())
 		throw rmgException("Cannot finalize object without instances");
-	
-	for(auto iter = dInstances.begin(); iter != dInstances.end(); ++iter)
+
+	for(auto & dInstance : dInstances)
 	{
-		iter->finalize(map);
+		dInstance.finalize(map);
 	}
 }
 

lib/rmg/RmgObject.h

@@ -84,7 +84,7 @@ private:
 	mutable Area dFullAreaCache;
 	mutable Area dAccessibleAreaCache, dAccessibleAreaFullCache;
 	int3 dPosition;
-	ui32 dStrenght;
+	ui32 dStrength;
 };
 }
 

lib/rmg/RmgPath.cpp

@@ -23,7 +23,7 @@ const std::function<float(const int3 &, const int3 &)> Path::DEFAULT_MOVEMENT_FU
 };
 
 //A* priority queue
-typedef std::pair<int3, float> TDistance;
+using TDistance = std::pair<int3, float>;
 struct NodeComparer
 {
 	bool operator()(const TDistance & lhs, const TDistance & rhs) const
@@ -45,11 +45,6 @@ Path::Path(const Area & area, const int3 & src): dArea(&area)
 	dPath.add(src);
 }
 
-Path::Path(const Path & path): dArea(path.dArea), dPath(path.dPath)
-{
-	
-}
-
 Path & Path::operator= (const Path & path)
 {
 	//do not modify area
@@ -154,18 +149,18 @@ Path Path::search(const Tileset & dst, bool straight, std::function<float(const
 
 Path Path::search(const int3 & dst, bool straight, std::function<float(const int3 &, const int3 &)> moveCostFunction) const
 {
-	return search(Tileset{dst}, straight, moveCostFunction);
+	return search(Tileset{dst}, straight, std::move(moveCostFunction));
 }
 
 Path Path::search(const Area & dst, bool straight, std::function<float(const int3 &, const int3 &)> moveCostFunction) const
 {
-	return search(dst.getTiles(), straight, moveCostFunction);
+	return search(dst.getTiles(), straight, std::move(moveCostFunction));
 }
 
 Path Path::search(const Path & dst, bool straight, std::function<float(const int3 &, const int3 &)> moveCostFunction) const
 {
 	assert(dst.dArea == dArea);
-	return search(dst.dPath, straight, moveCostFunction);
+	return search(dst.dPath, straight, std::move(moveCostFunction));
 }
 
 void Path::connect(const int3 & path)

lib/rmg/RmgPath.h

@@ -25,7 +25,7 @@ public:
 	
 	Path(const Area & area);
 	Path(const Area & area, const int3 & src);
-	Path(const Path & path);
+	Path(const Path & path) = default;
 	Path & operator= (const Path & path);
 	bool valid() const;
 	

lib/rmg/RoadPlacer.cpp

@@ -81,7 +81,7 @@ void RoadPlacer::drawRoads(bool secondary)
 	map.getEditManager()->getTerrainSelection().setSelection(roads.getTilesVector());
 
 	std::string roadName = (secondary ? generator.getConfig().secondaryRoadType : generator.getConfig().defaultRoadType);
-	RoadId roadType(*VLC->modh->identifiers.getIdentifier(VLC->modh->scopeGame(), "road", roadName));
+	RoadId roadType(*VLC->modh->identifiers.getIdentifier(CModHandler::scopeGame(), "road", roadName));
 	map.getEditManager()->drawRoad(roadType, &generator.rand);
 }
 
@@ -100,7 +100,7 @@ void RoadPlacer::connectRoads()
 		noRoadNodes = true;
 		if (auto* m = zone.getModificator<ObjectManager>())
 		{
-			for (auto object : m->getMines())
+			for(auto * object : m->getMines())
 			{
 				addRoadNode(object->visitablePos());
 			}
@@ -113,8 +113,8 @@ void RoadPlacer::connectRoads()
 	//take any tile from road nodes as destination zone for all other road nodes
 	if(roads.empty())
 		roads.add(*roadNodes.begin());
-	
-	for(auto & node : roadNodes)
+
+	for(const auto & node : roadNodes)
 	{
 		createRoad(node);
 	}

lib/rmg/TileInfo.cpp

@@ -13,9 +13,10 @@
 
 VCMI_LIB_NAMESPACE_BEGIN
 
-TileInfo::TileInfo():nearestObjectDistance(float(INT_MAX)), terrain()
+TileInfo::TileInfo()
+	: nearestObjectDistance(static_cast<float>(std::numeric_limits<int>::max()))
+	, occupied(ETileType::POSSIBLE)	//all tiles are initially possible to place objects or passages
 {
-	occupied = ETileType::POSSIBLE; //all tiles are initially possible to place objects or passages
 }
 
 float TileInfo::getNearestObjectDistance() const

lib/rmg/TownPlacer.cpp

@@ -70,8 +70,8 @@ void TownPlacer::placeTowns(ObjectManager & manager)
 		}
 		
 		auto townFactory = VLC->objtypeh->getHandlerFor(Obj::TOWN, zone.getTownType());
-		
-		CGTownInstance * town = (CGTownInstance *) townFactory->create();
+
+		CGTownInstance * town = dynamic_cast<CGTownInstance *>(townFactory->create());
 		town->tempOwner = player;
 		town->builtBuildings.insert(BuildingID::FORT);
 		town->builtBuildings.insert(BuildingID::DEFAULT);
@@ -126,9 +126,9 @@ void TownPlacer::placeTowns(ObjectManager & manager)
 		}
 		else
 		{
-			if(zone.getTownTypes().size())
+			if(!zone.getTownTypes().empty())
 				zone.setTownType(*RandomGeneratorUtil::nextItem(zone.getTownTypes(), generator.rand));
-			else if(zone.getMonsterTypes().size())
+			else if(!zone.getMonsterTypes().empty())
 				zone.setTownType(*RandomGeneratorUtil::nextItem(zone.getMonsterTypes(), generator.rand)); //this happens in Clash of Dragons in treasure zones, where all towns are banned
 			else //just in any case
 				zone.setTownType(getRandomTownType());
@@ -160,12 +160,12 @@ bool TownPlacer::placeMines(ObjectManager & manager)
 	
 	for(const auto & mineInfo : zone.getMinesInfo())
 	{
-		ERes res = (ERes)mineInfo.first;
+		ERes res = static_cast<ERes>(mineInfo.first);
 		for(int i = 0; i < mineInfo.second; ++i)
 		{
 			auto mineHandler = VLC->objtypeh->getHandlerFor(Obj::MINE, res);
-			auto & rmginfo = mineHandler->getRMGInfo();
-			auto mine = (CGMine*)mineHandler->create();
+			const auto & rmginfo = mineHandler->getRMGInfo();
+			auto * mine = dynamic_cast<CGMine *>(mineHandler->create());
 			mine->producedResource = res;
 			mine->tempOwner = PlayerColor::NEUTRAL;
 			mine->producedQuantity = mine->defaultResProduction();
@@ -186,7 +186,7 @@ bool TownPlacer::placeMines(ObjectManager & manager)
 		{
 			for(int rc = generator.rand.nextInt(1, extraRes); rc > 0; --rc)
 			{
-				auto resourse = (CGResource*) VLC->objtypeh->getHandlerFor(Obj::RESOURCE, mine->producedResource)->create();
+				auto * resourse = dynamic_cast<CGResource *>(VLC->objtypeh->getHandlerFor(Obj::RESOURCE, mine->producedResource)->create());
 				resourse->amount = CGResource::RANDOM_AMOUNT;
 				manager.addNearbyObject(resourse, mine);
 			}
@@ -198,7 +198,7 @@ bool TownPlacer::placeMines(ObjectManager & manager)
 
 void TownPlacer::cleanupBoundaries(const rmg::Object & rmgObject)
 {
-	for(auto & t : rmgObject.getArea().getBorderOutside())
+	for(const auto & t : rmgObject.getArea().getBorderOutside())
 	{
 		if(map.isOnMap(t))
 		{
@@ -209,7 +209,7 @@ void TownPlacer::cleanupBoundaries(const rmg::Object & rmgObject)
 	}
 }
 
-void TownPlacer::addNewTowns(int count, bool hasFort, PlayerColor player, ObjectManager & manager)
+void TownPlacer::addNewTowns(int count, bool hasFort, const PlayerColor & player, ObjectManager & manager)
 {
 	for(int i = 0; i < count; i++)
 	{
@@ -219,7 +219,7 @@ void TownPlacer::addNewTowns(int count, bool hasFort, PlayerColor player, Object
 		{
 			if(!zone.areTownsSameType())
 			{
-				if (zone.getTownTypes().size())
+				if(!zone.getTownTypes().empty())
 					subType = *RandomGeneratorUtil::nextItem(zone.getTownTypes(), generator.rand);
 				else
 					subType = *RandomGeneratorUtil::nextItem(zone.getDefaultTownTypes(), generator.rand); //it is possible to have zone with no towns allowed
@@ -227,7 +227,7 @@ void TownPlacer::addNewTowns(int count, bool hasFort, PlayerColor player, Object
 		}
 		
 		auto townFactory = VLC->objtypeh->getHandlerFor(Obj::TOWN, subType);
-		auto town = (CGTownInstance *) townFactory->create();
+		auto * town = dynamic_cast<CGTownInstance *>(townFactory->create());
 		town->ID = Obj::TOWN;
 		
 		town->tempOwner = player;
@@ -257,7 +257,7 @@ void TownPlacer::addNewTowns(int count, bool hasFort, PlayerColor player, Object
 
 si32 TownPlacer::getRandomTownType(bool matchUndergroundType)
 {
-	auto townTypesAllowed = (zone.getTownTypes().size() ? zone.getTownTypes() : zone.getDefaultTownTypes());
+	auto townTypesAllowed = (!zone.getTownTypes().empty() ? zone.getTownTypes() : zone.getDefaultTownTypes());
 	if(matchUndergroundType)
 	{
 		std::set<TFaction> townTypesVerify;

lib/rmg/TownPlacer.h

@@ -27,7 +27,7 @@ public:
 	
 protected:
 	void cleanupBoundaries(const rmg::Object & rmgObject);
-	void addNewTowns(int count, bool hasFort, PlayerColor player, ObjectManager & manager);
+	void addNewTowns(int count, bool hasFort, const PlayerColor & player, ObjectManager & manager);
 	si32 getRandomTownType(bool matchUndergroundType = false);
 	void placeTowns(ObjectManager & manager);
 	bool placeMines(ObjectManager & manager);

lib/rmg/TreasurePlacer.cpp

@@ -59,7 +59,7 @@ void TreasurePlacer::addAllPossibleObjects()
 			auto handler = VLC->objtypeh->getHandlerFor(primaryID, secondaryID);
 			if(!handler->isStaticObject() && handler->getRMGInfo().value)
 			{
-				for(auto temp : handler->getTemplates())
+				for(const auto & temp : handler->getTemplates())
 				{
 					if(temp->canBePlacedAt(zone.getTerrainType()))
 					{
@@ -99,9 +99,8 @@ void TreasurePlacer::addAllPossibleObjects()
 			
 			auto hid = *RandomGeneratorUtil::nextItem(possibleHeroes, generator.rand);
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::PRISON, 0);
-			auto obj = (CGHeroInstance *) factory->create();
-			
-			
+			auto * obj = dynamic_cast<CGHeroInstance *>(factory->create());
+
 			obj->subID = hid; //will be initialized later
 			obj->exp = generator.getConfig().prisonExperience[i];
 			obj->setOwner(PlayerColor::NEUTRAL);
@@ -119,8 +118,8 @@ void TreasurePlacer::addAllPossibleObjects()
 	}
 	
 	//all following objects are unlimited
-	oi.maxPerZone = std::numeric_limits<ui32>().max();
-	
+	oi.maxPerZone = std::numeric_limits<ui32>::max();
+
 	std::vector<CCreature *> creatures; //native creatures for this zone
 	for(auto cre : VLC->creh->objects)
 	{
@@ -141,35 +140,35 @@ void TreasurePlacer::addAllPossibleObjects()
 		{
 			//don't spawn original "neutral" dwellings that got replaced by Conflux dwellings in AB
 			static int elementalConfluxROE[] = {7, 13, 16, 47};
-			for(int i = 0; i < 4; i++)
-				vstd::erase_if_present(subObjects, elementalConfluxROE[i]);
+			for(int & i : elementalConfluxROE)
+				vstd::erase_if_present(subObjects, i);
 		}
 		
 		for(auto secondaryID : subObjects)
 		{
-			auto dwellingHandler = dynamic_cast<const CDwellingInstanceConstructor *>(VLC->objtypeh->getHandlerFor(dwellingType, secondaryID).get());
+			const auto * dwellingHandler = dynamic_cast<const CDwellingInstanceConstructor *>(VLC->objtypeh->getHandlerFor(dwellingType, secondaryID).get());
 			auto creatures = dwellingHandler->getProducedCreatures();
 			if(creatures.empty())
 				continue;
-			
-			auto cre = creatures.front();
+
+			const auto * cre = creatures.front();
 			if(cre->faction == zone.getTownType())
 			{
-				float nativeZonesCount = static_cast<float>(map.getZoneCount(cre->faction));
+				auto nativeZonesCount = static_cast<float>(map.getZoneCount(cre->faction));
 				oi.value = static_cast<ui32>(cre->AIValue * cre->growth * (1 + (nativeZonesCount / map.getTotalZoneCount()) + (nativeZonesCount / 2)));
 				oi.probability = 40;
-				
-				for(auto tmplate : dwellingHandler->getTemplates())
+
+				for(const auto & tmplate : dwellingHandler->getTemplates())
 				{
 					if(tmplate->canBePlacedAt(zone.getTerrainType()))
 					{
 						oi.generateObject = [tmplate, secondaryID, dwellingType]() -> CGObjectInstance *
 						{
-							auto obj = VLC->objtypeh->getHandlerFor(dwellingType, secondaryID)->create(tmplate);
+							auto * obj = VLC->objtypeh->getHandlerFor(dwellingType, secondaryID)->create(tmplate);
 							obj->tempOwner = PlayerColor::NEUTRAL;
 							return obj;
 						};
-						
+
 						oi.templ = tmplate;
 						possibleObjects.push_back(oi);
 					}
@@ -183,7 +182,7 @@ void TreasurePlacer::addAllPossibleObjects()
 		oi.generateObject = [i, this]() -> CGObjectInstance *
 		{
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::SPELL_SCROLL, 0);
-			auto obj = (CGArtifact *) factory->create();
+			auto * obj = dynamic_cast<CGArtifact *>(factory->create());
 			std::vector<SpellID> out;
 			
 			for(auto spell : VLC->spellh->objects) //spellh size appears to be greater (?)
@@ -193,7 +192,7 @@ void TreasurePlacer::addAllPossibleObjects()
 					out.push_back(spell->id);
 				}
 			}
-			auto a = CArtifactInstance::createScroll(*RandomGeneratorUtil::nextItem(out, generator.rand));
+			auto * a = CArtifactInstance::createScroll(*RandomGeneratorUtil::nextItem(out, generator.rand));
 			obj->storedArtifact = a;
 			return obj;
 		};
@@ -209,7 +208,7 @@ void TreasurePlacer::addAllPossibleObjects()
 		oi.generateObject = [i]() -> CGObjectInstance *
 		{
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
-			auto obj = (CGPandoraBox *) factory->create();
+			auto * obj = dynamic_cast<CGPandoraBox *>(factory->create());
 			obj->resources[Res::GOLD] = i * 5000;
 			return obj;
 		};
@@ -225,7 +224,7 @@ void TreasurePlacer::addAllPossibleObjects()
 		oi.generateObject = [i]() -> CGObjectInstance *
 		{
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
-			auto obj = (CGPandoraBox *) factory->create();
+			auto * obj = dynamic_cast<CGPandoraBox *>(factory->create());
 			obj->gainedExp = i * 5000;
 			return obj;
 		};
@@ -246,7 +245,7 @@ void TreasurePlacer::addAllPossibleObjects()
 		int actualTier = creature->level > tierValues.size() ?
 		tierValues.size() - 1 :
 		creature->level - 1;
-		float creaturesAmount = ((float)tierValues[actualTier]) / creature->AIValue;
+		float creaturesAmount = (static_cast<float>(tierValues[actualTier])) / creature->AIValue;
 		if(creaturesAmount <= 5)
 		{
 			creaturesAmount = boost::math::round(creaturesAmount); //allow single monsters
@@ -267,8 +266,8 @@ void TreasurePlacer::addAllPossibleObjects()
 		}
 		return static_cast<int>(creaturesAmount);
 	};
-	
-	for(auto creature : creatures)
+
+	for(auto * creature : creatures)
 	{
 		int creaturesAmount = creatureToCount(creature);
 		if(!creaturesAmount)
@@ -277,13 +276,13 @@ void TreasurePlacer::addAllPossibleObjects()
 		oi.generateObject = [creature, creaturesAmount]() -> CGObjectInstance *
 		{
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
-			auto obj = (CGPandoraBox *) factory->create();
-			auto stack = new CStackInstance(creature, creaturesAmount);
+			auto * obj = dynamic_cast<CGPandoraBox *>(factory->create());
+			auto * stack = new CStackInstance(creature, creaturesAmount);
 			obj->creatures.putStack(SlotID(0), stack);
 			return obj;
 		};
 		oi.setTemplate(Obj::PANDORAS_BOX, 0, zone.getTerrainType());
-		oi.value = static_cast<ui32>((2 * (creature->AIValue) * creaturesAmount * (1 + (float)(map.getZoneCount(creature->faction)) / map.getTotalZoneCount())) / 3);
+		oi.value = static_cast<ui32>((2 * (creature->AIValue) * creaturesAmount * (1 + static_cast<float>(map.getZoneCount(creature->faction)) / map.getTotalZoneCount())) / 3);
 		oi.probability = 3;
 		possibleObjects.push_back(oi);
 	}
@@ -294,8 +293,8 @@ void TreasurePlacer::addAllPossibleObjects()
 		oi.generateObject = [i, this]() -> CGObjectInstance *
 		{
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
-			auto obj = (CGPandoraBox *) factory->create();
-			
+			auto * obj = dynamic_cast<CGPandoraBox *>(factory->create());
+
 			std::vector <CSpell *> spells;
 			for(auto spell : VLC->spellh->objects)
 			{
@@ -304,7 +303,7 @@ void TreasurePlacer::addAllPossibleObjects()
 			}
 			
 			RandomGeneratorUtil::randomShuffle(spells, generator.rand);
-			for(int j = 0; j < std::min(12, (int)spells.size()); j++)
+			for(int j = 0; j < std::min(12, static_cast<int>(spells.size())); j++)
 			{
 				obj->spells.push_back(spells[j]->id);
 			}
@@ -323,17 +322,17 @@ void TreasurePlacer::addAllPossibleObjects()
 		oi.generateObject = [i, this]() -> CGObjectInstance *
 		{
 			auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
-			auto obj = (CGPandoraBox *) factory->create();
-			
+			auto * obj = dynamic_cast<CGPandoraBox *>(factory->create());
+
 			std::vector <CSpell *> spells;
 			for(auto spell : VLC->spellh->objects)
 			{
-				if(map.isAllowedSpell(spell->id) && spell->school[(ESpellSchool)i])
+				if(map.isAllowedSpell(spell->id) && spell->school[static_cast<ESpellSchool>(i)])
 					spells.push_back(spell);
 			}
 			
 			RandomGeneratorUtil::randomShuffle(spells, generator.rand);
-			for(int j = 0; j < std::min(15, (int)spells.size()); j++)
+			for(int j = 0; j < std::min(15, static_cast<int>(spells.size())); j++)
 			{
 				obj->spells.push_back(spells[j]->id);
 			}
@@ -351,8 +350,8 @@ void TreasurePlacer::addAllPossibleObjects()
 	oi.generateObject = [this]() -> CGObjectInstance *
 	{
 		auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
-		auto obj = (CGPandoraBox *) factory->create();
-		
+		auto * obj = dynamic_cast<CGPandoraBox *>(factory->create());
+
 		std::vector <CSpell *> spells;
 		for(auto spell : VLC->spellh->objects)
 		{
@@ -361,7 +360,7 @@ void TreasurePlacer::addAllPossibleObjects()
 		}
 		
 		RandomGeneratorUtil::randomShuffle(spells, generator.rand);
-		for(int j = 0; j < std::min(60, (int)spells.size()); j++)
+		for(int j = 0; j < std::min(60, static_cast<int>(spells.size())); j++)
 		{
 			obj->spells.push_back(spells[j]->id);
 		}
@@ -382,10 +381,10 @@ void TreasurePlacer::addAllPossibleObjects()
 		const int questArtsRemaining = static_cast<int>(generator.getQuestArtsRemaning().size());
 		
 		//general issue is that not many artifact types are available for quests
-		
-		if(questArtsRemaining >= genericSeerHuts + (int)creatures.size())
+
+		if(questArtsRemaining >= genericSeerHuts + static_cast<int>(creatures.size()))
 		{
-			seerHutsPerType = questArtsRemaining / (genericSeerHuts + (int)creatures.size());
+			seerHutsPerType = questArtsRemaining / (genericSeerHuts + static_cast<int>(creatures.size()));
 		}
 		else if(questArtsRemaining >= genericSeerHuts)
 		{
@@ -394,8 +393,8 @@ void TreasurePlacer::addAllPossibleObjects()
 		oi.maxPerZone = seerHutsPerType;
 		
 		RandomGeneratorUtil::randomShuffle(creatures, generator.rand);
-		
-		auto generateArtInfo = [this](ArtifactID id) -> ObjectInfo
+
+		auto generateArtInfo = [this](const ArtifactID & id) -> ObjectInfo
 		{
 			ObjectInfo artInfo;
 			artInfo.probability = std::numeric_limits<ui16>::max(); //99,9% to spawn that art in first treasure pile
@@ -409,10 +408,10 @@ void TreasurePlacer::addAllPossibleObjects()
 			};
 			return artInfo;
 		};
-		
-		for(int i = 0; i < std::min((int)creatures.size(), questArtsRemaining - genericSeerHuts); i++)
+
+		for(int i = 0; i < std::min(static_cast<int>(creatures.size()), questArtsRemaining - genericSeerHuts); i++)
 		{
-			auto creature = creatures[i];
+			auto * creature = creatures[i];
 			int creaturesAmount = creatureToCount(creature);
 			
 			if(!creaturesAmount)
@@ -423,7 +422,7 @@ void TreasurePlacer::addAllPossibleObjects()
 			oi.generateObject = [creature, creaturesAmount, randomAppearance, this, generateArtInfo]() -> CGObjectInstance *
 			{
 				auto factory = VLC->objtypeh->getHandlerFor(Obj::SEER_HUT, randomAppearance);
-				auto obj = (CGSeerHut *) factory->create();
+				auto * obj = dynamic_cast<CGSeerHut *>(factory->create());
 				obj->rewardType = CGSeerHut::CREATURE;
 				obj->rID = creature->idNumber;
 				obj->rVal = creaturesAmount;
@@ -442,7 +441,7 @@ void TreasurePlacer::addAllPossibleObjects()
 				return obj;
 			};
 			oi.setTemplate(Obj::SEER_HUT, randomAppearance, zone.getTerrainType());
-			oi.value = static_cast<ui32>(((2 * (creature->AIValue) * creaturesAmount * (1 + (float)(map.getZoneCount(creature->faction)) / map.getTotalZoneCount())) - 4000) / 3);
+			oi.value = static_cast<ui32>(((2 * (creature->AIValue) * creaturesAmount * (1 + static_cast<float>(map.getZoneCount(creature->faction)) / map.getTotalZoneCount())) - 4000) / 3);
 			oi.probability = 3;
 			possibleObjects.push_back(oi);
 		}
@@ -459,8 +458,8 @@ void TreasurePlacer::addAllPossibleObjects()
 			oi.generateObject = [i, randomAppearance, this, generateArtInfo]() -> CGObjectInstance *
 			{
 				auto factory = VLC->objtypeh->getHandlerFor(Obj::SEER_HUT, randomAppearance);
-				auto obj = (CGSeerHut *) factory->create();
-				
+				auto * obj = dynamic_cast<CGSeerHut *>(factory->create());
+
 				obj->rewardType = CGSeerHut::EXPERIENCE;
 				obj->rID = 0; //unitialized?
 				obj->rVal = generator.getConfig().questRewardValues[i];
@@ -483,7 +482,7 @@ void TreasurePlacer::addAllPossibleObjects()
 			oi.generateObject = [i, randomAppearance, this, generateArtInfo]() -> CGObjectInstance *
 			{
 				auto factory = VLC->objtypeh->getHandlerFor(Obj::SEER_HUT, randomAppearance);
-				auto obj = (CGSeerHut *) factory->create();
+				auto * obj = dynamic_cast<CGSeerHut *>(factory->create());
 				obj->rewardType = CGSeerHut::RESOURCES;
 				obj->rID = Res::GOLD;
 				obj->rVal = generator.getConfig().questRewardValues[i];
@@ -521,7 +520,7 @@ std::vector<ObjectInfo*> TreasurePlacer::prepareTreasurePile(const CTreasureInfo
 	
 	int currentValue = 0;
 	bool hasLargeObject = false;
-	while(currentValue <= (int)desiredValue - 100) //no objects with value below 100 are available
+	while(currentValue <= static_cast<int>(desiredValue) - 100) //no objects with value below 100 are available
 	{
 		auto * oi = getRandomObject(desiredValue, currentValue, maxValue, !hasLargeObject);
 		if(!oi) //fail
@@ -550,7 +549,7 @@ std::vector<ObjectInfo*> TreasurePlacer::prepareTreasurePile(const CTreasureInfo
 rmg::Object TreasurePlacer::constructTreasurePile(const std::vector<ObjectInfo*> & treasureInfos, bool densePlacement)
 {
 	rmg::Object rmgObject;
-	for(auto & oi : treasureInfos)
+	for(const auto & oi : treasureInfos)
 	{
 		auto blockedArea = rmgObject.getArea();
 		auto accessibleArea = rmgObject.getAccessibleArea();
@@ -574,7 +573,7 @@ rmg::Object TreasurePlacer::constructTreasurePile(const std::vector<ObjectInfo*>
 			if(densePlacement)
 			{
 				int bestPositionsWeight = std::numeric_limits<int>::max();
-				for(auto & t : accessibleArea.getTilesVector())
+				for(const auto & t : accessibleArea.getTilesVector())
 				{
 					instance.setPosition(t);
 					int w = rmgObject.getAccessibleArea().getTilesVector().size();
@@ -640,7 +639,7 @@ ObjectInfo * TreasurePlacer::getRandomObject(ui32 desiredValue, ui32 currentValu
 		if(oi.value >= minValue && oi.maxPerZone > 0)
 		{
 			total += oi.probability;
-			thresholds.push_back(std::make_pair(total, &oi));
+			thresholds.emplace_back(total, &oi);
 		}
 	}
 	
@@ -651,13 +650,13 @@ ObjectInfo * TreasurePlacer::getRandomObject(ui32 desiredValue, ui32 currentValu
 	else
 	{
 		int r = generator.rand.nextInt(1, total);
-		
+		auto sorter = [](const std::pair<ui32, ObjectInfo *> & rhs, const ui32 lhs) -> bool 
+		{
+			return static_cast<int>(rhs.first) < lhs; 
+		};
+
 		//binary search = fastest
-		auto it = std::lower_bound(thresholds.begin(), thresholds.end(), r,
-								   [](const std::pair<ui32, ObjectInfo*> &rhs, const int lhs)->bool
-								   {
-			return (int)rhs.first < lhs;
-		});
+		auto it = std::lower_bound(thresholds.begin(), thresholds.end(), r, sorter);
 		return it->second;
 	}
 }
@@ -746,8 +745,8 @@ void TreasurePlacer::createTreasures(ObjectManager & manager)
 					auto ti = map.getTile(tile);
 					if(ti.getNearestObjectDistance() < minDistance)
 						return -1.f;
-					
-					for(auto & t : rmgObject.getArea().getTilesVector())
+
+					for(const auto & t : rmgObject.getArea().getTilesVector())
 					{
 						if(map.getTile(t).getNearestObjectDistance() < minDistance)
 							return -1.f;
@@ -805,13 +804,6 @@ char TreasurePlacer::dump(const int3 & t)
 	return Modificator::dump(t);
 }
 
-
-ObjectInfo::ObjectInfo()
-: templ(), value(0), probability(0), maxPerZone(1)
-{
-	
-}
-
 void ObjectInfo::setTemplate(si32 type, si32 subtype, TerrainId terrainType)
 {
 	auto templHandler = VLC->objtypeh->getHandlerFor(type, subtype);

lib/rmg/TreasurePlacer.h

@@ -24,14 +24,12 @@ struct ObjectInfo
 	std::shared_ptr<const ObjectTemplate> templ;
 	ui32 value = 0;
 	ui16 probability = 0;
-	ui32 maxPerZone = -1;
+	ui32 maxPerZone = 1;
 	//ui32 maxPerMap; //unused
 	std::function<CGObjectInstance *()> generateObject;
 	
 	void setTemplate(si32 type, si32 subtype, TerrainId terrain);
-	
-	ObjectInfo();
-	
+
 	bool operator==(const ObjectInfo& oi) const { return (templ == oi.templ); }
 };
 

lib/rmg/WaterAdopter.cpp

@@ -78,7 +78,7 @@ void WaterAdopter::createWater(EWaterContent::EWaterContent waterContent)
 		rmg::Area noWaterSlice;
 		for(int i = 1; i < reverseDistanceMap.size(); ++i)
 		{
-			for(auto & t : reverseDistanceMap[i])
+			for(const auto & t : reverseDistanceMap[i])
 			{
 				if(noWaterArea.distanceSqr(t) < 3)
 					noWaterSlice.add(t);
@@ -140,7 +140,7 @@ void WaterAdopter::createWater(EWaterContent::EWaterContent waterContent)
 	rmg::Area waterAdd;
 	for(int coastId = 1; coastId <= coastIdMax; ++coastId)
 	{
-		for(auto& tile : reverseDistanceMap[coastId])
+		for(const auto & tile : reverseDistanceMap[coastId])
 		{
 			//collect neighbout water tiles
 			auto collectionLambda = [this](const int3 & t, std::set<int3> & outCollection)
@@ -151,7 +151,8 @@ void WaterAdopter::createWater(EWaterContent::EWaterContent waterContent)
 					outCollection.insert(t);
 				}
 			};
-			std::set<int3> waterCoastDirect, waterCoastDiag;
+			std::set<int3> waterCoastDirect;
+			std::set<int3> waterCoastDiag;
 			map.foreachDirectNeighbour(tile, std::bind(collectionLambda, std::placeholders::_1, std::ref(waterCoastDirect)));
 			map.foreachDiagonalNeighbour(tile, std::bind(collectionLambda, std::placeholders::_1, std::ref(waterCoastDiag)));
 			int waterCoastDirectNum = waterCoastDirect.size();
@@ -170,10 +171,11 @@ void WaterAdopter::createWater(EWaterContent::EWaterContent waterContent)
 			}
 			if(waterCoastDirectNum == 2 && waterCoastDiagNum >= 2)
 			{
-				int3 diagSum, dirSum;
-				for(auto & i : waterCoastDiag)
+				int3 diagSum;
+				int3 dirSum;
+				for(const auto & i : waterCoastDiag)
 					diagSum += i - tile;
-				for(auto & i : waterCoastDirect)
+				for(const auto & i : waterCoastDirect)
 					dirSum += i - tile;
 				if(diagSum == int3() || dirSum == int3())
 				{
@@ -192,7 +194,7 @@ void WaterAdopter::createWater(EWaterContent::EWaterContent waterContent)
 	waterArea.unite(waterAdd);
 	
 	//filtering tiny "lakes"
-	for(auto& tile : reverseDistanceMap[0]) //now it's only coast-water tiles
+	for(const auto & tile : reverseDistanceMap[0]) //now it's only coast-water tiles
 	{
 		if(!waterArea.contains(tile)) //for ground tiles
 			continue;

lib/rmg/WaterProxy.cpp

@@ -32,7 +32,7 @@ VCMI_LIB_NAMESPACE_BEGIN
 
 void WaterProxy::process()
 {
-	for(auto & t : zone.area().getTilesVector())
+	for(const auto & t : zone.area().getTilesVector())
 	{
 		map.setZoneID(t, zone.getId());
 		map.setOccupied(t, ETileType::POSSIBLE);
@@ -41,19 +41,19 @@ void WaterProxy::process()
 	paintZoneTerrain(zone, generator.rand, map, zone.getTerrainType());
 	
 	//check terrain type
-	for(auto & t : zone.area().getTilesVector())
+	for(const auto & t : zone.area().getTilesVector())
 	{
 		MAYBE_UNUSED(t);
 		assert(map.isOnMap(t));
 		assert(map.map().getTile(t).terType->getId() == zone.getTerrainType());
 	}
-	
-	for(auto z : map.getZones())
+
+	for(const auto & z : map.getZones())
 	{
 		if(z.second->getId() == zone.getId())
 			continue;
-		
-		for(auto & t : z.second->area().getTilesVector())
+
+		for(const auto & t : z.second->area().getTilesVector())
 		{
 			if(map.map().getTile(t).terType->getId() == zone.getTerrainType())
 			{
@@ -97,15 +97,15 @@ const std::vector<WaterProxy::Lake> & WaterProxy::getLakes() const
 void WaterProxy::collectLakes()
 {
 	int lakeId = 0;
-	for(auto lake : connectedAreas(zone.getArea(), true))
+	for(const auto & lake : connectedAreas(zone.getArea(), true))
 	{
 		lakes.push_back(Lake{});
 		lakes.back().area = lake;
 		lakes.back().distanceMap = lake.computeDistanceMap(lakes.back().reverseDistanceMap);
-		for(auto & t : lake.getBorderOutside())
+		for(const auto & t : lake.getBorderOutside())
 			if(map.isOnMap(t))
 				lakes.back().neighbourZones[map.getZoneID(t)].add(t);
-		for(auto & t : lake.getTiles())
+		for(const auto & t : lake.getTiles())
 			lakeMap[t] = lakeId;
 		
 		//each lake must have at least one free tile
@@ -134,7 +134,7 @@ RouteInfo WaterProxy::waterRoute(Zone & dst)
 		{
 			if(!lake.keepConnections.count(dst.getId()))
 			{
-				for(auto & ct : lake.neighbourZones[dst.getId()].getTiles())
+				for(const auto & ct : lake.neighbourZones[dst.getId()].getTiles())
 				{
 					if(map.isPossible(ct))
 						map.setOccupied(ct, ETileType::BLOCKED);
@@ -204,8 +204,8 @@ bool WaterProxy::placeBoat(Zone & land, const Lake & lake, RouteInfo & info)
 		return false;
 	
 	auto subObjects = VLC->objtypeh->knownSubObjects(Obj::BOAT);
-	auto* boat = (CGBoat*)VLC->objtypeh->getHandlerFor(Obj::BOAT, *RandomGeneratorUtil::nextItem(subObjects, generator.rand))->create();
-	
+	auto * boat = dynamic_cast<CGBoat *>(VLC->objtypeh->getHandlerFor(Obj::BOAT, *RandomGeneratorUtil::nextItem(subObjects, generator.rand))->create());
+
 	rmg::Object rmgObject(*boat);
 	rmgObject.setTemplate(zone.getTerrainType());
 	
@@ -263,7 +263,7 @@ bool WaterProxy::placeShipyard(Zone & land, const Lake & lake, si32 guard, Route
 		return false;
 	
 	int subtype = chooseRandomAppearance(generator.rand, Obj::SHIPYARD, land.getTerrainType());
-	auto shipyard = (CGShipyard*) VLC->objtypeh->getHandlerFor(Obj::SHIPYARD, subtype)->create();
+	auto * shipyard = dynamic_cast<CGShipyard *>(VLC->objtypeh->getHandlerFor(Obj::SHIPYARD, subtype)->create());
 	shipyard->tempOwner = PlayerColor::NEUTRAL;
 	
 	rmg::Object rmgObject(*shipyard);
@@ -337,7 +337,7 @@ bool WaterProxy::placeShipyard(Zone & land, const Lake & lake, si32 guard, Route
 		manager->placeObject(rmgObject, guarded, true);
 		
 		zone.areaPossible().subtract(shipyardOutToBlock);
-		for(auto & i : shipyardOutToBlock.getTilesVector())
+		for(const auto & i : shipyardOutToBlock.getTilesVector())
 			if(map.isOnMap(i) && map.isPossible(i))
 				map.setOccupied(i, ETileType::BLOCKED);
 		
@@ -354,7 +354,7 @@ char WaterProxy::dump(const int3 & t)
 		return '?';
 	
 	Lake & lake = lakes[lakeMap.at(t)];
-	for(auto i : lake.neighbourZones)
+	for(const auto & i : lake.neighbourZones)
 	{
 		if(i.second.contains(t))
 			return lake.keepConnections.count(i.first) ? std::to_string(i.first)[0] : '=';

lib/rmg/WaterRoutes.cpp

@@ -46,7 +46,7 @@ void WaterRoutes::process()
 	}
 	
 	//prohibit to place objects on sealed off lakes
-	for(auto & lake : wproxy->getLakes())
+	for(const auto & lake : wproxy->getLakes())
 	{
 		if((lake.area * zone.freePaths()).getTilesVector().size() == 1)
 		{
@@ -56,7 +56,7 @@ void WaterRoutes::process()
 	}
 	
 	//prohibit to place objects on the borders
-	for(auto & t : zone.area().getBorder())
+	for(const auto & t : zone.area().getBorder())
 	{
 		if(zone.areaPossible().contains(t))
 		{

lib/rmg/Zone.cpp

@@ -26,11 +26,10 @@ std::function<bool(const int3 &)> AREA_NO_FILTER = [](const int3 & t)
 };
 
 Zone::Zone(RmgMap & map, CMapGenerator & generator)
-					: ZoneOptions(),
-					townType(ETownType::NEUTRAL),
-					terrainType(ETerrainId::GRASS),
-					map(map),
-					generator(generator)
+	: townType(ETownType::NEUTRAL)
+	, terrainType(ETerrainId::GRASS)
+	, map(map)
+	, generator(generator)
 {
 	
 }
@@ -144,7 +143,7 @@ void Zone::setTerrainType(TerrainId terrain)
 	terrainType = terrain;
 }
 
-rmg::Path Zone::searchPath(const rmg::Area & src, bool onlyStraight, std::function<bool(const int3 &)> areafilter) const
+rmg::Path Zone::searchPath(const rmg::Area & src, bool onlyStraight, const std::function<bool(const int3 &)> & areafilter) const
 ///connect current tile to any other free tile within zone
 {
 	auto movementCost = [this](const int3 & s, const int3 & d)
@@ -157,7 +156,8 @@ rmg::Path Zone::searchPath(const rmg::Area & src, bool onlyStraight, std::functi
 	};
 	
 	auto area = (dAreaPossible + dAreaFree).getSubarea(areafilter);
-	rmg::Path freePath(area), resultPath(area);
+	rmg::Path freePath(area);
+	rmg::Path resultPath(area);
 	freePath.connect(dAreaFree);
 	
 	//connect to all pieces
@@ -175,7 +175,7 @@ rmg::Path Zone::searchPath(const rmg::Area & src, bool onlyStraight, std::functi
 	return resultPath;
 }
 
-rmg::Path Zone::searchPath(const int3 & src, bool onlyStraight, std::function<bool(const int3 &)> areafilter) const
+rmg::Path Zone::searchPath(const int3 & src, bool onlyStraight, const std::function<bool(const int3 &)> & areafilter) const
 ///connect current tile to any other free tile within zone
 {
 	return searchPath(rmg::Area({src}), onlyStraight, areafilter);
@@ -186,7 +186,7 @@ void Zone::connectPath(const rmg::Path & path)
 {
 	dAreaPossible.subtract(path.getPathArea());
 	dAreaFree.unite(path.getPathArea());
-	for(auto & t : path.getPathArea().getTilesVector())
+	for(const auto & t : path.getPathArea().getTilesVector())
 		map.setOccupied(t, ETileType::FREE);
 }
 
@@ -209,8 +209,8 @@ void Zone::fractalize()
 			RandomGeneratorUtil::randomShuffle(tilesToMakePath, generator.rand);
 			
 			int3 nodeFound(-1, -1, -1);
-			
-			for(auto tileToMakePath : tilesToMakePath)
+
+			for(const auto & tileToMakePath : tilesToMakePath)
 			{
 				//find closest free tile
 				int3 closestTile = clearedTiles.nearest(tileToMakePath);
@@ -247,14 +247,14 @@ void Zone::fractalize()
 		{
 			dAreaPossible.subtract(area);
 			dAreaFree.subtract(area);
-			for(auto & t : area.getTiles())
+			for(const auto & t : area.getTiles())
 				map.setOccupied(t, ETileType::BLOCKED);
 		}
 		else
 		{
 			dAreaPossible.subtract(res.getPathArea());
 			dAreaFree.unite(res.getPathArea());
-			for(auto & t : res.getPathArea().getTiles())
+			for(const auto & t : res.getPathArea().getTiles())
 				map.setOccupied(t, ETileType::FREE);
 		}
 	}
@@ -263,12 +263,12 @@ void Zone::fractalize()
 	float blockDistance = minDistance * 0.25f;
 	auto areaToBlock = dArea.getSubarea([this, blockDistance](const int3 & t)
 	{
-		float distance = static_cast<float>(dAreaFree.distanceSqr(t));
+		auto distance = static_cast<float>(dAreaFree.distanceSqr(t));
 		return distance > blockDistance;
 	});
 	dAreaPossible.subtract(areaToBlock);
 	dAreaFree.subtract(areaToBlock);
-	for(auto & t : areaToBlock.getTiles())
+	for(const auto & t : areaToBlock.getTiles())
 		map.setOccupied(t, ETileType::BLOCKED);
 }
 
@@ -403,9 +403,4 @@ char Modificator::dump(const int3 & t)
 	return '?';
 }
 
-Modificator::~Modificator()
-{
-	
-}
-
 VCMI_LIB_NAMESPACE_END

lib/rmg/Zone.h

@@ -48,8 +48,8 @@ public:
 	virtual void process() = 0;
 	virtual void init() {/*override to add dependencies*/}
 	virtual char dump(const int3 &);
-	virtual ~Modificator();
-	
+	virtual ~Modificator() = default;
+
 	void setName(const std::string & n);
 	const std::string & getName() const;
 	
@@ -104,9 +104,9 @@ public:
 	void setTerrainType(TerrainId terrain);
 		
 	void connectPath(const rmg::Path & path);
-	rmg::Path searchPath(const rmg::Area & src, bool onlyStraight, std::function<bool(const int3 &)> areafilter = AREA_NO_FILTER) const;
-	rmg::Path searchPath(const int3 & src, bool onlyStraight, std::function<bool(const int3 &)> areafilter = AREA_NO_FILTER) const;
-	
+	rmg::Path searchPath(const rmg::Area & src, bool onlyStraight, const std::function<bool(const int3 &)> & areafilter = AREA_NO_FILTER) const;
+	rmg::Path searchPath(const int3 & src, bool onlyStraight, const std::function<bool(const int3 &)> & areafilter = AREA_NO_FILTER) const;
+
 	template<class T>
 	T* getModificator()
 	{