src/music.cpp

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   6  * OpenTTD 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.
   7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   8  */
   9
  10 /** @file music.cpp The songs that OpenTTD knows. */
  11
  12 #include "stdafx.h"
  13
  14 /** The type of set we're replacing */
  15 #define SET_TYPE "music"
  16 #include "base_media_func.h"
  17
  18 INSTANTIATE_BASE_MEDIA_METHODS(BaseMedia<MusicSet>, MusicSet)
  19
  20 /** Names corresponding to the music set's files */
  21 static const char * const _music_file_names[] = {
  22         "theme",
  23         "old_0", "old_1", "old_2", "old_3", "old_4", "old_5", "old_6", "old_7", "old_8", "old_9",
  24         "new_0", "new_1", "new_2", "new_3", "new_4", "new_5", "new_6", "new_7", "new_8", "new_9",
  25         "ezy_0", "ezy_1", "ezy_2", "ezy_3", "ezy_4", "ezy_5", "ezy_6", "ezy_7", "ezy_8", "ezy_9",
  26 };
  27 /** Make sure we aren't messing things up. */
  28 assert_compile(lengthof(_music_file_names) == NUM_SONGS_AVAILABLE);
  29
  30 template <class T, size_t Tnum_files, bool Tsearch_in_tars>
  31 /* static */ const char * const *BaseSet<T, Tnum_files, Tsearch_in_tars>::file_names = _music_file_names;
  32
  33 template <class Tbase_set>
  34 /* static */ const char *BaseMedia<Tbase_set>::GetExtension()
  35 {
  36         return ".obm"; // OpenTTD Base Music
  37 }
  38
  39 template <class Tbase_set>
  40 /* static */ bool BaseMedia<Tbase_set>::DetermineBestSet()
  41 {
  42         if (BaseMedia<Tbase_set>::used_set != NULL) return true;
  43
  44         const Tbase_set *best = NULL;
  45         for (const Tbase_set *c = BaseMedia<Tbase_set>::available_sets; c != NULL; c = c->next) {
  46                 if (c->GetNumMissing() != 0) continue;
  47
  48                 if (best == NULL ||
  49                                 (best->fallback && !c->fallback) ||
  50                                 best->valid_files < c->valid_files ||
  51                                 (best->valid_files == c->valid_files &&
  52                                         (best->shortname == c->shortname && best->version < c->version))) {
  53                         best = c;
  54                 }
  55         }
  56
  57         BaseMedia<Tbase_set>::used_set = best;
  58         return BaseMedia<Tbase_set>::used_set != NULL;
  59 }
  60
  61 bool MusicSet::FillSetDetails(IniFile *ini, const char *path, const char *full_filename)
  62 {
  63         bool ret = this->BaseSet<MusicSet, NUM_SONGS_AVAILABLE, false>::FillSetDetails(ini, path, full_filename);
  64         if (ret) {
  65                 this->num_available = 0;
  66                 IniGroup *names = ini->GetGroup("names");
  67                 for (uint i = 0, j = 1; i < lengthof(this->song_name); i++) {
  68                         const char *filename = this->files[i].filename;
  69                         if (names == NULL || StrEmpty(filename)) {
  70                                 this->song_name[i][0] = '\0';
  71                                 continue;
  72                         }
  73
  74                         IniItem *item = NULL;
  75                         /* As we possibly add a path to the filename and we compare
  76                          * on the filename with the path as in the .obm, we need to
  77                          * keep stripping path elements until we find a match. */
  78                         for (const char *p = filename; p != NULL; p = strchr(p, PATHSEPCHAR)) {
  79                                 /* Remove possible double path separator characters from
  80                                  * the beginning, so we don't start reading e.g. root. */
  81                                 while (*p == PATHSEPCHAR) p++;
  82
  83                                 item = names->GetItem(p, false);
  84                                 if (item != NULL && !StrEmpty(item->value)) break;
  85                         }
  86
  87                         if (item == NULL || StrEmpty(item->value)) {
  88                                 DEBUG(grf, 0, "Base music set song name missing: %s", filename);
  89                                 return false;
  90                         }
  91
  92                         strecpy(this->song_name[i], item->value, lastof(this->song_name[i]));
  93                         this->track_nr[i] = j++;
  94                         this->num_available++;
  95                 }
  96         }
  97         return ret;
  98 }