music.cpp

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00001 /* $Id: music.cpp 18809 2010-01-15 16:41:15Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 
00014 /* The type of set we're replacing */
00015 #define SET_TYPE "music"
00016 #include "base_media_func.h"
00017 
00018 INSTANTIATE_BASE_MEDIA_METHODS(BaseMedia<MusicSet>, MusicSet)
00019 
00020 
00021 static const char * const _music_file_names[] = {
00022   "theme",
00023   "old_0", "old_1", "old_2", "old_3", "old_4", "old_5", "old_6", "old_7", "old_8", "old_9",
00024   "new_0", "new_1", "new_2", "new_3", "new_4", "new_5", "new_6", "new_7", "new_8", "new_9",
00025   "ezy_0", "ezy_1", "ezy_2", "ezy_3", "ezy_4", "ezy_5", "ezy_6", "ezy_7", "ezy_8", "ezy_9",
00026 };
00027 assert_compile(lengthof(_music_file_names) == NUM_SONGS_AVAILABLE);
00028 
00029 template <class T, size_t Tnum_files, Subdirectory Tsubdir>
00030 /* static */ const char * const *BaseSet<T, Tnum_files, Tsubdir>::file_names = _music_file_names;
00031 
00032 template <class Tbase_set>
00033 /* static */ const char *BaseMedia<Tbase_set>::GetExtension()
00034 {
00035   return ".obm"; // OpenTTD Base Music
00036 }
00037 
00038 template <class Tbase_set>
00039 /* static */ bool BaseMedia<Tbase_set>::DetermineBestSet()
00040 {
00041   if (BaseMedia<Tbase_set>::used_set != NULL) return true;
00042 
00043   const Tbase_set *best = NULL;
00044   for (const Tbase_set *c = BaseMedia<Tbase_set>::available_sets; c != NULL; c = c->next) {
00045     if (c->GetNumMissing() != 0) continue;
00046 
00047     if (best == NULL ||
00048         best->valid_files < c->valid_files ||
00049         (best->valid_files == c->valid_files &&
00050           (best->shortname == c->shortname && best->version < c->version))) {
00051       best = c;
00052     }
00053   }
00054 
00055   BaseMedia<Tbase_set>::used_set = best;
00056   return BaseMedia<Tbase_set>::used_set != NULL;
00057 }
00058 
00063 #define fetch_name(name) \
00064   item = metadata->GetItem(name, false); \
00065   if (item == NULL || strlen(item->value) == 0) { \
00066     DEBUG(grf, 0, "Base " SET_TYPE "set detail loading: %s field missing", name); \
00067     return false; \
00068   }
00069 
00070 bool MusicSet::FillSetDetails(IniFile *ini, const char *path)
00071 {
00072   bool ret = this->BaseSet<MusicSet, NUM_SONGS_AVAILABLE, GM_DIR>::FillSetDetails(ini, path);
00073   if (ret) {
00074     this->num_available = 0;
00075     IniGroup *names = ini->GetGroup("names");
00076     for (uint i = 0, j = 1; i < lengthof(this->song_name); i++) {
00077       const char *filename = this->files[i].filename;
00078       if (names == NULL || StrEmpty(filename)) {
00079         this->song_name[i][0] = '\0';
00080         continue;
00081       }
00082 
00083       IniItem *item = names->GetItem(filename, false);
00084       if (item == NULL || strlen(item->value) == 0) {
00085         DEBUG(grf, 0, "Base music set song name missing: %s", filename);
00086         return false;
00087       }
00088 
00089       strecpy(this->song_name[i], item->value, lastof(this->song_name[i]));
00090       this->track_nr[i] = j++;
00091       this->num_available++;
00092     }
00093   }
00094   return true;
00095 }

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