Use RandomGeneratorUtil::randomShuffle for reproducible gameplay

lib/spells/BattleSpellMechanics.cpp

@@ -428,7 +428,7 @@ void ObstacleMechanics::applyBattleEffects(const SpellCastEnvironment * env, con
 				if(hex.getX() > 2 && hex.getX() < 14 && !(parameters.cb->battleGetStackByPos(hex, false)) && !(parameters.cb->battleGetObstacleOnPos(hex, false)))
 					availableTiles.push_back(hex);
 			}
-			boost::range::random_shuffle(availableTiles);
+			RandomGeneratorUtil::randomShuffle(availableTiles, env->getRandomGenerator());
 
 			const int patchesForSkill[] = {4, 4, 6, 8};
 			const int patchesToPut = std::min<int>(patchesForSkill[parameters.spellLvl], availableTiles.size());

server/CGameHandler.cpp

@@ -5740,7 +5740,7 @@ void CGameHandler::runBattle()
 
 				if(!curOwner || curOwner->getSecSkillLevel(SecondarySkill::FIRST_AID) == 0) //no hero or hero has no first aid
 				{
-					range::random_shuffle(possibleStacks);
+					RandomGeneratorUtil::randomShuffle(possibleStacks, getRandomGenerator());
 					const CStack * toBeHealed = possibleStacks.front();
 
 					BattleAction heal;
@@ -5943,7 +5943,8 @@ void CGameHandler::spawnWanderingMonsters(CreatureID creatureID)
 	std::vector<int3> tiles;
 	getFreeTiles(tiles);
 	ui32 amount = tiles.size() / 200; //Chance is 0.5% for each tile
-	std::random_shuffle(tiles.begin(), tiles.end());
+
+	RandomGeneratorUtil::randomShuffle(tiles, getRandomGenerator());
 	logGlobal->trace("Spawning wandering monsters. Found %d free tiles. Creature type: %d", tiles.size(), creatureID.num);
 	const CCreature *cre = VLC->creh->creatures.at(creatureID);
 	for (int i = 0; i < amount; ++i)