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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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; either version 2
* of the License, or (at your option) any later version.
* This program 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. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "sci/sci.h" // for USE_OLD_MUSIC_FUNCTIONS
#ifdef USE_OLD_MUSIC_FUNCTIONS
#include "sci/sfx/iterator/core.h"
#include "sci/sfx/iterator/iterator.h"
namespace Sci {
#define debug_stream stderr
Song::Song() {
_handle = 0;
_resourceNum = 0;
_priority = 0;
_status = SOUND_STATUS_STOPPED;
_restoreBehavior = RESTORE_BEHAVIOR_CONTINUE;
_restoreTime = 0;
_loops = 0;
_hold = 0;
_it = 0;
_delay = 0;
_next = NULL;
_nextPlaying = NULL;
_nextStopping = NULL;
}
Song::Song(SongHandle handle, SongIterator *it, int priority) {
_handle = handle;
_resourceNum = 0;
_priority = priority;
_status = SOUND_STATUS_STOPPED;
_restoreBehavior = RESTORE_BEHAVIOR_CONTINUE;
_restoreTime = 0;
_loops = 0;
_hold = 0;
_it = it;
_delay = 0;
_next = NULL;
_nextPlaying = NULL;
_nextStopping = NULL;
}
void SongLibrary::addSong(Song *song) {
Song **seeker = NULL;
int pri = song->_priority;
if (NULL == song) {
warning("addSong(): NULL passed for song");
return;
}
seeker = &_lib;
while (*seeker && ((*seeker)->_priority > pri))
seeker = &((*seeker)->_next);
song->_next = *seeker;
*seeker = song;
}
void SongLibrary::freeSounds() {
Song *next = _lib;
while (next) {
Song *song = next;
delete song->_it;
song->_it = NULL;
next = song->_next;
delete song;
}
_lib = NULL;
}
Song *SongLibrary::findSong(SongHandle handle) {
Song *seeker = _lib;
while (seeker) {
if (seeker->_handle == handle)
break;
seeker = seeker->_next;
}
return seeker;
}
Song *SongLibrary::findNextActive(Song *other) {
Song *seeker = other ? other->_next : _lib;
while (seeker) {
if ((seeker->_status == SOUND_STATUS_WAITING) ||
(seeker->_status == SOUND_STATUS_PLAYING))
break;
seeker = seeker->_next;
}
/* Only return songs that have equal priority */
if (other && seeker && other->_priority > seeker->_priority)
return NULL;
return seeker;
}
Song *SongLibrary::findFirstActive() {
return findNextActive(NULL);
}
int SongLibrary::removeSong(SongHandle handle) {
int retval;
Song *goner = _lib;
if (!goner)
return -1;
if (goner->_handle == handle)
_lib = goner->_next;
else {
while ((goner->_next) && (goner->_next->_handle != handle))
goner = goner->_next;
if (goner->_next) { /* Found him? */
Song *oldnext = goner->_next;
goner->_next = goner->_next->_next;
goner = oldnext;
} else return -1; /* No. */
}
retval = goner->_status;
delete goner->_it;
delete goner;
return retval;
}
int SongLibrary::countSongs() {
Song *seeker = _lib;
int retval = 0;
while (seeker) {
retval++;
seeker = seeker->_next;
}
return retval;
}
void SongLibrary::setSongRestoreBehavior(SongHandle handle, RESTORE_BEHAVIOR action) {
Song *seeker = findSong(handle);
seeker->_restoreBehavior = action;
}
} // End of namespace Sci
#endif // USE_OLD_MUSIC_FUNCTIONS
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