Add option for single-thread generation. Still doesn't guarantee excactly identical maps :?

lib/rmg/CMapGenerator.cpp

@@ -83,6 +83,7 @@ void CMapGenerator::loadConfig()
 		config.secondaryRoadType = "";
 	if(!mapGenOptions.isRoadEnabled(config.defaultRoadType))
 		config.defaultRoadType = config.secondaryRoadType;
+	config.singleThread = randomMapJson["singleThread"].Bool();
 }
 
 const CMapGenerator::Config & CMapGenerator::getConfig() const
@@ -310,12 +311,6 @@ void CMapGenerator::fillZones()
 
 	std::vector<std::shared_ptr<Zone>> treasureZones;
 
-	ThreadPool pool;
-
-	std::vector<boost::future<void>> futures;
-	//At most one Modificator can run for every zone
-	pool.init(std::min<int>(boost::thread::hardware_concurrency(), numZones));
-
 	TModificators allJobs;
 	for (auto& it : map->getZones())
 	{
@@ -324,6 +319,34 @@ void CMapGenerator::fillZones()
 
 	Load::Progress::setupStepsTill(allJobs.size(), 240);
 
+	if (config.singleThread) //No thread pool, just queue with deterministic order
+	{
+		while (!allJobs.empty())
+		{
+			for (auto it = allJobs.begin(); it != allJobs.end();)
+			{
+				if ((*it)->isReady())
+				{
+					auto jobCopy = *it;
+					jobCopy->run();
+					Progress::Progress::step(); //Update progress bar
+					allJobs.erase(it);
+					break; //Restart from the first job
+				}
+				else
+				{
+					++it;
+				}
+			}
+		}
+	}
+	else
+	{
+		ThreadPool pool;
+		std::vector<boost::future<void>> futures;
+		//At most one Modificator can run for every zone
+		pool.init(std::min<int>(boost::thread::hardware_concurrency(), numZones));
+
 		while (!allJobs.empty())
 		{
 			for (auto it = allJobs.begin(); it != allJobs.end();)
@@ -356,6 +379,7 @@ void CMapGenerator::fillZones()
 		{
 			fut.get();
 		}
+	}
 
 	for (const auto& it : map->getZones())
 	{

lib/rmg/CMapGenerator.h

@@ -47,6 +47,7 @@ public:
 		int pandoraMultiplierGold, pandoraMultiplierExperience, pandoraMultiplierSpells, pandoraSpellSchool, pandoraSpell60;
 		std::vector<int> pandoraCreatureValues;
 		std::vector<int> questValues, questRewardValues;
+		bool singleThread;
 	};
 	
 	explicit CMapGenerator(CMapGenOptions& mapGenOptions, int RandomSeed = std::time(nullptr));

lib/rmg/modificators/ObstaclePlacer.cpp

@@ -42,7 +42,6 @@ void ObstaclePlacer::process()
 	blockedArea.subtract(zone.areaUsed());
 	zone.areaPossible().subtract(blockedArea);
 
-	//TODO: Set prohibited area in ObstacleProxy :?
 	prohibitedArea = zone.freePaths() + zone.areaUsed() + manager->getVisitableArea();
 
 	auto objs = createObstacles(zone.getRand());