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80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
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/*
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Minetest
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Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MAP_SETTINGS_MANAGER_HEADER
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#define MAP_SETTINGS_MANAGER_HEADER
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#include <string>
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class Settings;
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struct NoiseParams;
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struct MapgenParams;
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/*
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MapSettingsManager is a centralized object for management (creating,
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loading, storing, saving, etc.) of config settings related to the Map.
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It has two phases: the initial r/w "gather and modify settings" state, and
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the final r/o "read and save settings" state.
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The typical use case is, in order, as follows:
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- Create a MapSettingsManager object
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- Try to load map metadata into it from the metadata file
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- Manually view and modify the current configuration as desired through a
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Settings-like interface
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- When all modifications are finished, create a 'Parameters' object
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containing the finalized, active parameters. This could be passed along
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to whichever Map-related objects that may require it.
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- Save these active settings to the metadata file when requested
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*/
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class MapSettingsManager {
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public:
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// Finalized map generation parameters
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MapgenParams *mapgen_params;
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MapSettingsManager(Settings *user_settings,
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const std::string &map_meta_path);
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~MapSettingsManager();
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bool getMapSetting(const std::string &name, std::string *value_out);
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bool getMapSettingNoiseParams(
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const std::string &name, NoiseParams *value_out);
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// Note: Map config becomes read-only after makeMapgenParams() gets called
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// (i.e. mapgen_params is non-NULL). Attempts to set map config after
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// params have been finalized will result in failure.
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bool setMapSetting(const std::string &name,
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const std::string &value, bool override_meta = false);
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bool setMapSettingNoiseParams(const std::string &name,
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const NoiseParams *value, bool override_meta = false);
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bool loadMapMeta();
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bool saveMapMeta();
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MapgenParams *makeMapgenParams();
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private:
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std::string m_map_meta_path;
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Settings *m_map_settings;
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Settings *m_user_settings;
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};
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#endif
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