subgames.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
#pragma once
 
#include <string>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <vector>
 
 
struct SubgameSpec
{
        std::string id;
        std::string title;
        std::string author;
        int release;
        std::string first_mod; // "" <=> no mod
        std::string last_mod; // "" <=> no mod
        std::string path;
        std::string gamemods_path;

        std::unordered_map<std::string, std::string> addon_mods_paths;

        std::unordered_set<std::string> aliases;
 
        // For logging purposes
        std::vector<const char *> deprecation_msgs;
 
        SubgameSpec(const std::string &id = "", const std::string &path = "",
                        const std::string &gamemods_path = "",
                        const std::unordered_map<std::string, std::string> &addon_mods_paths = {},
                        const std::string &title = "",
                        const std::string &author = "", int release = 0,
                        const std::string &first_mod = "",
                        const std::string &last_mod = "",
                        const std::unordered_set<std::string> &aliases = {}) :
                        id(id),
                        title(title), author(author), release(release),
                        first_mod(first_mod),
                        last_mod(last_mod),
                        path(path),
                        gamemods_path(gamemods_path),
                        addon_mods_paths(addon_mods_paths),
                        aliases(aliases)
        {
        }
 
        bool isValid() const { return (!id.empty() && !path.empty()); }
        void checkAndLog() const;
};
 
SubgameSpec findSubgame(const std::string &id);
SubgameSpec findWorldSubgame(const std::string &world_path);
 
std::set<std::string> getAvailableGameIds();
std::vector<SubgameSpec> getAvailableGames();
// Get the list of paths to mods in the environment variable LUANTI_MOD_PATH
std::vector<std::string> getEnvModPaths();
 
bool getWorldExists(const std::string &world_path);
std::string getWorldName(const std::string &world_path, const std::string &default_name);
std::string getWorldGameId(const std::string &world_path, bool can_be_legacy = false);
 
struct WorldSpec
{
        std::string path;
        std::string name;
        std::string gameid;
 
        WorldSpec(const std::string &path = "", const std::string &name = "",
                        const std::string &gameid = "") :
                        path(path),
                        name(name), gameid(gameid)
        {
        }
 
        bool isValid() const
        {
                return (!name.empty() && !path.empty() && !gameid.empty());
        }
};
 
std::vector<WorldSpec> getAvailableWorlds();
 
// loads the subgame's config and creates world directory
// and world.mt if they don't exist
void loadGameConfAndInitWorld(const std::string &path, const std::string &name,
                const SubgameSpec &gamespec, bool create_world);