src/content/content.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2018 rubenwardy <rw@rubenwardy.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <fstream>
  21 #include "content/content.h"
  22 #include "content/subgames.h"
  23 #include "content/mods.h"
  24 #include "filesys.h"
  25 #include "settings.h"
  26
  27 enum ContentType
  28 {
  29         ECT_UNKNOWN,
  30         ECT_MOD,
  31         ECT_MODPACK,
  32         ECT_GAME,
  33         ECT_TXP
  34 };
  35
  36 ContentType getContentType(const ContentSpec &spec)
  37 {
  38         std::ifstream modpack_is((spec.path + DIR_DELIM + "modpack.txt").c_str());
  39         if (modpack_is.good()) {
  40                 modpack_is.close();
  41                 return ECT_MODPACK;
  42         }
  43
  44         std::ifstream init_is((spec.path + DIR_DELIM + "init.lua").c_str());
  45         if (init_is.good()) {
  46                 init_is.close();
  47                 return ECT_MOD;
  48         }
  49
  50         std::ifstream game_is((spec.path + DIR_DELIM + "game.conf").c_str());
  51         if (game_is.good()) {
  52                 game_is.close();
  53                 return ECT_GAME;
  54         }
  55
  56         std::ifstream txp_is((spec.path + DIR_DELIM + "texture_pack.conf").c_str());
  57         if (txp_is.good()) {
  58                 txp_is.close();
  59                 return ECT_TXP;
  60         }
  61
  62         return ECT_UNKNOWN;
  63 }
  64
  65 void parseContentInfo(ContentSpec &spec)
  66 {
  67         std::string conf_path;
  68
  69         switch (getContentType(spec)) {
  70         case ECT_MOD:
  71                 spec.type = "mod";
  72                 conf_path = spec.path + DIR_DELIM + "mod.conf";
  73                 break;
  74         case ECT_MODPACK:
  75                 spec.type = "modpack";
  76                 conf_path = spec.path + DIR_DELIM + "mod.conf";
  77                 break;
  78         case ECT_GAME:
  79                 spec.type = "game";
  80                 conf_path = spec.path + DIR_DELIM + "game.conf";
  81                 break;
  82         case ECT_TXP:
  83                 spec.type = "txp";
  84                 conf_path = spec.path + DIR_DELIM + "texture_pack.conf";
  85                 break;
  86         default:
  87                 spec.type = "unknown";
  88                 break;
  89         }
  90
  91         Settings conf;
  92         if (!conf_path.empty() && conf.readConfigFile(conf_path.c_str())) {
  93                 if (conf.exists("name"))
  94                         spec.name = conf.get("name");
  95
  96                 if (conf.exists("description"))
  97                         spec.desc = conf.get("description");
  98
  99                 if (conf.exists("author"))
 100                         spec.author = conf.get("author");
 101         }
 102
 103         if (spec.desc.empty()) {
 104                 std::ifstream is((spec.path + DIR_DELIM + "description.txt").c_str());
 105                 spec.desc = std::string((std::istreambuf_iterator<char>(is)),
 106                                 std::istreambuf_iterator<char>());
 107         }
 108 }