162 lines
3.2 KiB
C
162 lines
3.2 KiB
C
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2007 Warzone Resurrection Project
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Warzone 2100 is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "lib/framework/frame.h"
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#include "lib/framework/file.h"
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#include "playlist.h"
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#include "cdaudio.h"
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#define BUFFER_SIZE 2048
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typedef struct _wzTrack
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{
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char path[PATH_MAX];
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struct _wzTrack *next;
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} WZ_TRACK;
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static WZ_TRACK *currentSong = NULL;
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static int numSongs = 0;
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static WZ_TRACK *songList = NULL;
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void PlayList_Init()
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{
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songList = NULL;
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currentSong = NULL;
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numSongs = 0;
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}
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void PlayList_Quit()
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{
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WZ_TRACK *list = songList;
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while (list)
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{
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WZ_TRACK *next = list->next;
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free(list);
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list = next;
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}
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PlayList_Init();
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}
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bool PlayList_Read(const char* path)
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{
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WZ_TRACK** last = &songList;
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PHYSFS_file* fileHandle;
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char listName[PATH_MAX];
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// Construct file name
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ssprintf(listName, "%s/music.wpl", path);
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// Attempt to open the playlist file
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fileHandle = PHYSFS_openRead(listName);
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if (fileHandle == NULL)
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{
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debug(LOG_ERROR, "PHYSFS_openRead(\"%s\") failed with error: %s\n", listName, PHYSFS_getLastError());
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return false;
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}
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// Find the end of the songList
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for (; *last; last = &(*last)->next);
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while (!PHYSFS_eof(fileHandle))
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{
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char filename[BUFFER_SIZE];
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size_t buf_pos = 0;
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// Read a single line
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while (buf_pos < sizeof(filename) - 1
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&& PHYSFS_read(fileHandle, &filename[buf_pos], 1, 1)
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&& filename[buf_pos] != '\n'
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&& filename[buf_pos] != '\r')
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{
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++buf_pos;
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}
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// Nul-terminate string, and trim line endings ('\n' and '\r')
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filename[buf_pos] = '\0';
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if (filename[0] != '\0' /* strlen(filename) != 0 */)
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{
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WZ_TRACK *song = malloc(sizeof(*songList));
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sstrcpy(song->path, path);
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sstrcat(song->path, "/");
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sstrcat(song->path, filename);
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song->next = NULL;
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// Append this song to the list
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*last = song;
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last = &song->next;
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numSongs++;
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debug(LOG_SOUND, "Added song %s to playlist", filename);
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}
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}
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PHYSFS_close(fileHandle);
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currentSong = songList;
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return true;
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}
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const char* PlayList_CurrentSong()
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{
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if (currentSong)
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{
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return currentSong->path;
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}
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else
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{
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return NULL;
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}
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}
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const char* PlayList_NextSong()
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{
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if (currentSong)
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{
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currentSong = currentSong->next;
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}
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if (!currentSong)
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{
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currentSong = songList;
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}
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return PlayList_CurrentSong();
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}
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void playListTest()
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{
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int i;
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for (i = 0; i < 10; i++)
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{
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PlayList_Quit();
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PlayList_Init();
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PlayList_Read("music");
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if (numSongs != 2)
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{
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debug(LOG_ERROR, "Use the default playlist for selftest!");
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}
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assert(songList);
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assert(numSongs == 2);
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}
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}
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