add config option to enable rare notifs by default

src/Client.cc

@@ -195,6 +195,9 @@ Client::Client(
       external_bank_character_index(-1),
       last_play_time_update(0) {
   this->config.set_flags_for_version(version, -1);
+  if (server->get_state()->default_rare_notifs_enabled) {
+    this->config.set_flag(Flag::RARE_DROP_NOTIFICATIONS_ENABLED);
+  }
   this->config.specific_version = default_specific_version_for_version(version, -1);
 
   this->last_switch_enabled_command.header.subcommand = 0;

src/ServerState.cc

@@ -656,6 +656,7 @@ void ServerState::load_config() {
 
   this->persistent_game_idle_timeout_usecs = json.get_int("PersistentGameIdleTimeout", this->persistent_game_idle_timeout_usecs);
   this->cheat_mode_behavior = parse_behavior_switch("CheatModeBehavior", this->cheat_mode_behavior);
+  this->default_rare_notifs_enabled = json.get_bool("RareNotificationsEnabledByDefault", this->default_rare_notifs_enabled);
   this->ep3_send_function_call_enabled = json.get_bool("EnableEpisode3SendFunctionCall", this->ep3_send_function_call_enabled);
   this->catch_handler_exceptions = json.get_bool("CatchHandlerExceptions", this->catch_handler_exceptions);
 

src/ServerState.hh

@@ -116,6 +116,7 @@ struct ServerState : public std::enable_shared_from_this<ServerState> {
   bool hide_download_commands = true;
   RunShellBehavior run_shell_behavior = RunShellBehavior::DEFAULT;
   BehaviorSwitch cheat_mode_behavior = BehaviorSwitch::OFF_BY_DEFAULT;
+  bool default_rare_notifs_enabled = false;
   std::vector<std::shared_ptr<const PSOBBEncryption::KeyFile>> bb_private_keys;
   std::shared_ptr<const FunctionCodeIndex> function_code_index;
   std::shared_ptr<const PatchFileIndex> pc_patch_file_index;