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- /*
- Minetest
- Copyright (C) 2013-22 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #pragma once
- #include "mods.h"
- /**
- * ModConfiguration is a subset of installed mods. This class
- * is used to resolve dependencies and return a sorted list of mods.
- *
- * This class should not be extended from, but instead used as a
- * component in other classes.
- */
- class ModConfiguration
- {
- public:
- /**
- * @returns true if all dependencies are fulfilled.
- */
- inline bool isConsistent() const { return m_unsatisfied_mods.empty(); }
- inline const std::vector<ModSpec> &getUnsatisfiedMods() const
- {
- return m_unsatisfied_mods;
- }
- /**
- * List of mods sorted such that they can be loaded in the
- * given order with all dependencies being fulfilled.
- *
- * I.e: every mod in this list has only dependencies on mods which
- * appear earlier in the vector.
- */
- const std::vector<ModSpec> &getMods() const { return m_sorted_mods; }
- std::string getUnsatisfiedModsError() const;
- /**
- * Adds all mods in the given path. used for games, modpacks
- * and world-specific mods (worldmods-folders)
- *
- * @param path To search, should be absolute
- * @param virtual_path Virtual path for this directory, see comment in ModSpec
- */
- void addModsInPath(const std::string &path, const std::string &virtual_path);
- /**
- * Adds all mods in `new_mods`
- */
- void addMods(const std::vector<ModSpec> &new_mods);
- /**
- * Adds game mods
- */
- void addGameMods(const SubgameSpec &gamespec);
- /**
- * Adds mods specified by a world.mt config
- *
- * @param settings_path Path to world.mt
- * @param modPaths Map from virtual name to mod path
- */
- void addModsFromConfig(const std::string &settings_path,
- const std::unordered_map<std::string, std::string> &modPaths);
- /**
- * Call this function once all mods have been added
- */
- void checkConflictsAndDeps();
- private:
- std::vector<ModSpec> m_sorted_mods;
- /**
- * move mods from m_unsatisfied_mods to m_sorted_mods
- * in an order that satisfies dependencies
- */
- void resolveDependencies();
- // mods with unmet dependencies. Before dependencies are resolved,
- // this is where all mods are stored. Afterwards this contains
- // only the ones with really unsatisfied dependencies.
- std::vector<ModSpec> m_unsatisfied_mods;
- // set of mod names for which an unresolved name conflict
- // exists. A name conflict happens when two or more mods
- // at the same level have the same name but different paths.
- // Levels (mods in higher levels override mods in lower levels):
- // 1. game mod in modpack; 2. game mod;
- // 3. world mod in modpack; 4. world mod;
- // 5. addon mod in modpack; 6. addon mod.
- std::unordered_set<std::string> m_name_conflicts;
- };
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