C++ saved_game::set_carryover_sides_start方法代码示例

void start_local_game_commandline(const config& game_config, saved_game& state, const commandline_options& cmdline_opts)
{
	DBG_MP << "starting local MP game from commandline" << std::endl;

	// The setup is done equivalently to lobby MP games using as much of existing
	// code as possible.  This means that some things are set up that are not
	// needed in commandline mode, but they are required by the functions called.
	preferences::set_message_private(false);

	DBG_MP << "entering create mode" << std::endl;

	// Set the default parameters
	state.clear(); // This creates these parameters with default values defined in mp_game_settings.cpp
	mp_game_settings& parameters = state.mp_settings();

	// Hardcoded default values
	parameters.mp_era = "era_default";
	parameters.name = "multiplayer_The_Freelands";

	// Default values for which at getter function exists
	parameters.num_turns = settings::get_turns("");
	parameters.village_gold = settings::get_village_gold("");
	parameters.village_support = settings::get_village_support("");
	parameters.xp_modifier = settings::get_xp_modifier("");

	// Do not use map settings if --ignore-map-settings commandline option is set
	if(cmdline_opts.multiplayer_ignore_map_settings) {
		DBG_MP << "ignoring map settings" << std::endl;
		parameters.use_map_settings = false;
	} else {
		parameters.use_map_settings = true;
	}

	// None of the other parameters need to be set, as their creation values above are good enough for CL mode.
	// In particular, we do not want to use the preferences values.

	state.classification().campaign_type = game_classification::CAMPAIGN_TYPE::MULTIPLAYER;

	// [era] define.
	if(cmdline_opts.multiplayer_era) {
		parameters.mp_era = *cmdline_opts.multiplayer_era;
	}

	if(const config& cfg_era = game_config.find_child("era", "id", parameters.mp_era)) {
		state.classification().era_define = cfg_era["define"].str();
	} else {
		std::cerr << "Could not find era '" << parameters.mp_era << "'\n";
		return;
	}

	// [multiplayer] define.
	if(cmdline_opts.multiplayer_scenario) {
		parameters.name = *cmdline_opts.multiplayer_scenario;
	}

	if(const config& cfg_multiplayer = game_config.find_child("multiplayer", "id", parameters.name)) {
		state.classification().scenario_define = cfg_multiplayer["define"].str();
	} else {
		std::cerr << "Could not find [multiplayer] '" << parameters.name << "'\n";
		return;
	}

	game_config_manager::get()->load_game_config_for_game(state.classification());
	state.set_carryover_sides_start(
		config {"next_scenario", parameters.name}
	);

	state.expand_random_scenario();
	state.expand_mp_events();
	state.expand_mp_options();

	// Should number of turns be determined from scenario data?
	if(parameters.use_map_settings && state.get_starting_pos()["turns"]) {
		DBG_MP << "setting turns from scenario data: " << state.get_starting_pos()["turns"] << std::endl;
		parameters.num_turns = state.get_starting_pos()["turns"];
	}

	DBG_MP << "entering connect mode" << std::endl;

	statistics::fresh_stats();

	{
		ng::connect_engine_ptr connect_engine(new ng::connect_engine(state, true, nullptr));

		// Update the parameters to reflect game start conditions
		connect_engine->start_game_commandline(cmdline_opts);
	}

	if(resources::recorder && cmdline_opts.multiplayer_label) {
		std::string label = *cmdline_opts.multiplayer_label;
		resources::recorder->add_log_data("ai_log","ai_label",label);
	}

	unsigned int repeat = (cmdline_opts.multiplayer_repeat) ? *cmdline_opts.multiplayer_repeat : 1;
	for(unsigned int i = 0; i < repeat; i++){
		saved_game state_copy(state);
		campaign_controller controller(state_copy, game_config, game_config_manager::get()->terrain_types());
		controller.play_game();
	}
}

bool enter_create_mode(game_display& disp, const config& game_config,
	saved_game& state, jump_to_campaign_info jump_to_campaign, bool local_players_only) {

	bool configure_canceled = false;

	do {

		ng::create_engine create_eng(disp, state);
		create_eng.set_current_level_type(ng::level::TYPE::SP_CAMPAIGN);

		std::vector<ng::create_engine::level_ptr> campaigns(
			create_eng.get_levels_by_type_unfiltered(ng::level::TYPE::SP_CAMPAIGN));
		
		if (campaigns.empty()) {
		  gui2::show_error_message(disp.video(),
					  _("No campaigns are available.\n"));
			return false;
		}

		bool use_deterministic_mode = false;
		// No campaign selected from command line
		if (jump_to_campaign.campaign_id_.empty() == true)
		{
			gui2::tcampaign_selection dlg(create_eng);

			try {
				dlg.show(disp.video());
			} catch(twml_exception& e) {
				e.show(disp);
				return false;
			}

			if(dlg.get_retval() != gui2::twindow::OK) {
				return false;
			}

			use_deterministic_mode = dlg.get_deterministic();

		}
		else
		{
			// don't reset the campaign_id_ so we can know
			// if we should quit the game or return to the main menu

			// checking for valid campaign name
			bool not_found = true;
			for(size_t i = 0; i < campaigns.size(); ++i)
			{
				if (campaigns[i]->data()["id"] == jump_to_campaign.campaign_id_)
				{
					create_eng.set_current_level(i);
					not_found = false;
					break;
				}

			}

			// didn't find any campaign with that id
			if (not_found)
			{
				//TODO: use ERR_NG or similar
				std::cerr<<"No such campaign id to jump to: ["<<jump_to_campaign.campaign_id_<<"]\n";
				return false;
			}

		}

		std::string random_mode = use_deterministic_mode ? "deterministic" : "";
		state.classification().random_mode = random_mode;

		std::string selected_difficulty = create_eng.select_campaign_difficulty(jump_to_campaign.difficulty_);

		if (selected_difficulty == "FAIL") return false;
		if (selected_difficulty == "CANCEL") {
			if (jump_to_campaign.campaign_id_.empty() == false)
			{
				jump_to_campaign.campaign_id_ = "";
			}
			// canceled difficulty dialog, relaunch the campaign selection dialog
			return enter_create_mode(disp, game_config, state, jump_to_campaign, local_players_only);
		}

		create_eng.prepare_for_era_and_mods();
		create_eng.prepare_for_campaign(selected_difficulty);

		if(!jump_to_campaign.scenario_id_.empty()) {
			state.set_carryover_sides_start(
				config_of("next_scenario", jump_to_campaign.scenario_id_)
			);
		}
		create_eng.prepare_for_new_level();

		create_eng.get_parameters();
		if(!state.valid())
		{
			//TODO: use ERR_NG or similar
			std::cerr << "Cannot load scenario with id=" << state.get_scenario_id() << "\n";
			return false;
		}
		configure_canceled = !enter_configure_mode(disp, game_config_manager::get()->game_config(), state, local_players_only);
//.........这里部分代码省略.........

bool enter_create_mode(CVideo& video, const config& game_config, saved_game& state, jump_to_campaign_info jump_to_campaign, bool local_players_only)
{
	bool configure_canceled = false;

	do {
		ng::create_engine create_eng(video, state);

		create_eng.set_current_level_type(ng::level::TYPE::SP_CAMPAIGN);

		const std::vector<ng::create_engine::level_ptr> campaigns =
			create_eng.get_levels_by_type_unfiltered(ng::level::TYPE::SP_CAMPAIGN);

		if(campaigns.empty()) {
			gui2::show_error_message(video, _("No campaigns are available."));
			return false;
		}

		std::string random_mode = "";

		// No campaign selected from command line
		if(jump_to_campaign.campaign_id_.empty()) {
			gui2::tcampaign_selection dlg(create_eng);

			try {
				dlg.show(video);
			} catch(twml_exception& e) {
				e.show(video);
				return false;
			}

			if(dlg.get_retval() != gui2::twindow::OK) {
				return false;
			}

			if(dlg.get_deterministic()) {
				random_mode = "deterministic";
			}
		} else {
			// Don't reset the campaign_id_ so we can know
			// if we should quit the game or return to the main menu

			// Checking for valid campaign name
			const auto campaign = std::find_if(campaigns.begin(), campaigns.end(), [&jump_to_campaign](ng::create_engine::level_ptr level) {
				return level->data()["id"] == jump_to_campaign.campaign_id_;
			});

			// Didn't find a campaign with that id
			if(campaign == campaigns.end()) {
				ERR_NG << "No such campaign id to jump to: [" << jump_to_campaign.campaign_id_ << "]" << std::endl;
				return false;
			}

			create_eng.set_current_level(campaign - campaigns.begin());
		}

		state.classification().random_mode = random_mode;

		const std::string selected_difficulty = create_eng.select_campaign_difficulty(jump_to_campaign.difficulty_);

		if(selected_difficulty == "FAIL") return false;
		if(selected_difficulty == "CANCEL") {
			if(!jump_to_campaign.campaign_id_.empty()) {
				jump_to_campaign.campaign_id_ = "";
			}

			// Canceled difficulty dialog, relaunch the campaign selection dialog
			return enter_create_mode(video, game_config, state, jump_to_campaign, local_players_only);
		}

		create_eng.prepare_for_era_and_mods();
		create_eng.prepare_for_campaign(selected_difficulty);

		if(!jump_to_campaign.scenario_id_.empty()) {
			state.set_carryover_sides_start(
				config_of("next_scenario", jump_to_campaign.scenario_id_)
			);
		}

		if(!state.valid()) {
			ERR_NG << "Cannot load scenario with id=" << state.get_scenario_id() << std::endl;
			return false;
		}

		configure_canceled = !enter_configure_mode(video, game_config_manager::get()->game_config(), state, create_eng, local_players_only);

	} while (configure_canceled);

	return true;
}