Use direct vectors in game state helpers

src/main/cpp/net/eagle0/shardok/library/fb_helpers/GameStateHelpers.cpp

@@ -46,12 +46,12 @@ auto ConvertVictoryCondition(const net::eagle0::shardok::common::VictoryConditio
 
 auto FromPlayerInfoProto(flatbuffers::FlatBufferBuilder& fbb, const PlayerInfoProto& piProto)
         -> flatbuffers::Offset<net::eagle0::shardok::storage::fb::PlayerInfo> {
-    auto alliesVec = std::vector<AlliedPlayer>();
+    std::vector<AlliedPlayer> alliesVec;
     alliesVec.reserve(piProto.allies_size());
     for (const auto& apProto : piProto.allies()) { alliesVec.emplace_back(apProto.player_id()); }
     const auto alliesOffset = fbb.CreateVectorOfStructs(alliesVec);
 
-    auto vcVec = std::vector<int8_t>();
+    std::vector<int8_t> vcVec;
     const int victoryConditionCount = piProto.victory_conditions_size();
     vcVec.reserve(victoryConditionCount);
     for (int i = 0; i < victoryConditionCount; i++) {
@@ -142,7 +142,7 @@ auto SetupInitialGameState(
             &endGameCondition);
     auto gameIdOffset = fbb.CreateString(gameId);
 
-    auto playerInfoVec = std::vector<Offset<PlayerInfo>>();
+    std::vector<Offset<PlayerInfo>> playerInfoVec;
     playerInfoVec.reserve(playerInfoProtos.size());
     for (const auto& piProto : playerInfoProtos) {
         playerInfoVec.push_back(FromPlayerInfoProto(fbb, piProto));
@@ -162,7 +162,7 @@ auto SetupInitialGameState(
     // Add slack units: 3 per necromancer, minimum 5 for general use
     const int slackUnits = std::max(5, necromancerCount * 3);
 
-    auto unitsVec = std::vector<Unit>();
+    std::vector<Unit> unitsVec;
     unitsVec.reserve(units.size() + slackUnits);
     for (const auto& unit : units) {
         Unit modifiedUnit = unit;