use toEnum instead of getNum for switch'es

lib/CArtHandler.cpp

@@ -167,7 +167,7 @@ bool CArtifact::isBig() const
 
 bool CArtifact::isTradable() const
 {
-	switch(id.getNum())
+	switch(id.toEnum())
 	{
 	case ArtifactID::SPELLBOOK:
 	case ArtifactID::GRAIL:

lib/CTownHandler.cpp

@@ -686,7 +686,7 @@ void CTownHandler::loadBuilding(CTown * town, const std::string & stringID, cons
 	//MODS COMPATIBILITY FOR 0.96
 	if(!ret->produce.nonZero())
 	{
-		switch (ret->bid.getNum()) {
+		switch (ret->bid.toEnum()) {
 			break; case BuildingID::VILLAGE_HALL: ret->produce[EGameResID::GOLD] = 500;
 			break; case BuildingID::TOWN_HALL :   ret->produce[EGameResID::GOLD] = 1000;
 			break; case BuildingID::CITY_HALL :   ret->produce[EGameResID::GOLD] = 2000;

lib/gameState/CGameState.cpp

@@ -931,7 +931,7 @@ void CGameState::initMapObjects()
 		if(!obj)
 			continue;
 
-		switch (obj->ID.getNum())
+		switch(obj->ID.toEnum())
 		{
 			case Obj::QUEST_GUARD:
 			case Obj::SEER_HUT:

lib/pathfinder/CPathfinder.cpp

@@ -505,7 +505,7 @@ void CPathfinderHelper::updateTurnInfo(const int Turn)
 
 bool CPathfinderHelper::isLayerAvailable(const EPathfindingLayer & layer) const
 {
-	switch(layer.getNum())
+	switch(layer.toEnum())
 	{
 	case EPathfindingLayer::AIR:
 		if(!options.useFlying)

lib/rmg/modificators/ObjectManager.cpp

@@ -556,7 +556,7 @@ void ObjectManager::placeObject(rmg::Object & object, bool guarded, bool updateD
 			}
 		}
 
-		switch (instance->object().ID.getNum())
+		switch (instance->object().ID.toEnum())
 		{
 			case Obj::RANDOM_TREASURE_ART:
 			case Obj::RANDOM_MINOR_ART: //In OH3 quest artifacts have higher value than normal arts
@@ -586,7 +586,7 @@ void ObjectManager::placeObject(rmg::Object & object, bool guarded, bool updateD
 		case Obj::MONOLITH_ONE_WAY_EXIT:
 	*/
 
-	switch (object.instances().front()->object().ID.getNum())
+	switch(object.instances().front()->object().ID.toEnum())
 	{
 		case Obj::WATER_WHEEL:
 			if (auto* m = zone.getModificator<RiverPlacer>())

lib/spells/ISpellMechanics.cpp

@@ -717,7 +717,7 @@ IAdventureSpellMechanics::IAdventureSpellMechanics(const CSpell * s)
 
 std::unique_ptr<IAdventureSpellMechanics> IAdventureSpellMechanics::createMechanics(const CSpell * s)
 {
-	switch (s->id.getNum())
+	switch(s->id.toEnum())
 	{
 	case SpellID::SUMMON_BOAT:
 		return std::make_unique<SummonBoatMechanics>(s);