Set up basic deterministic lockstep

src/Campaign.cpp

@@ -109,6 +109,10 @@ namespace FRG {
 			c.startStatePath      = entry.value("startState", "");
 			c.questsPath          = entry.value("quests", "");
 			c.tutorial            = entry.value("tutorial", false);
+			c.networkPlayerSlots  =
+				entry.value("networkPlayerSlots", std::vector<std::string>{});
+			c.networkCompatibility =
+				entry.value("networkCompatibility", std::string());
 			c.loadingScreenPath   = entry.value("loadingScreen", std::string(CampaignConfig::kDefaultLoadingScreen));
 			for (const std::string& path : c.locationConfigPaths) {
 				LocationConfig loc;