From 980b8bb89937952529d0bc39ba04e9f306b1e792 Mon Sep 17 00:00:00 2001 From: Filippos Karapetis Date: Sun, 20 Dec 2009 13:38:13 +0000 Subject: Moved all of the sound iterator code in its own directory, and added a slight hack to the SoundCommandParser constructor svn-id: r46430 --- engines/sci/sfx/core.cpp | 1009 ---------------------------------------------- 1 file changed, 1009 deletions(-) delete mode 100644 engines/sci/sfx/core.cpp (limited to 'engines/sci/sfx/core.cpp') diff --git a/engines/sci/sfx/core.cpp b/engines/sci/sfx/core.cpp deleted file mode 100644 index 8da2c7cda5..0000000000 --- a/engines/sci/sfx/core.cpp +++ /dev/null @@ -1,1009 +0,0 @@ -/* 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. - * - * $URL$ - * $Id$ - * - */ - -/* Sound subsystem core: Event handler, sound player dispatching */ - -#include "sci/sci.h" -#include "sci/sfx/core.h" -#include "sci/sfx/iterator.h" -#include "sci/sfx/softseq/mididriver.h" - -#include "sci/sfx/softseq/pcjr.h" - -#include "common/system.h" -#include "common/timer.h" - -#include "sound/mixer.h" - -namespace Sci { - -/* Plays a song iterator that found a PCM through a PCM device, if possible -** Parameters: (SongIterator *) it: The iterator to play -** (SongHandle) handle: Debug handle -** Returns : (int) 0 if the effect will not be played, nonzero if it will -** This assumes that the last call to 'it->next()' returned SI_PCM. -*/ -static int sfx_play_iterator_pcm(SongIterator *it, SongHandle handle); - - -#pragma mark - - - -class SfxPlayer { -public: - /** Number of voices that can play simultaneously */ - int _polyphony; - -protected: - MidiPlayer *_mididrv; - - SongIterator *_iterator; - Audio::Timestamp _wakeupTime; - Audio::Timestamp _currentTime; - uint32 _pauseTimeDiff; - - bool _paused; - bool _iteratorIsDone; - uint32 _tempo; - - Common::Mutex _mutex; - int _volume; - - void play_song(SongIterator *it); - static void player_timer_callback(void *refCon); - -public: - SfxPlayer(); - ~SfxPlayer(); - - /** - * Initializes the player. - * @param resMan a resource manager for driver initialization - * @param expected_latency expected delay in between calls to 'maintenance' (in microseconds) - * @return Common::kNoError on success, Common::kUnknownError on failure - */ - Common::Error init(ResourceManager *resMan, int expected_latency); - - /** - * Adds an iterator to the song player - * @param it The iterator to play - * @param start_time The time to assume as the time the first MIDI command executes at - * @return Common::kNoError on success, Common::kUnknownError on failure - * - * The iterator should not be cloned (to avoid memory leaks) and - * may be modified according to the needs of the player. - * Implementors may use the 'sfx_iterator_combine()' function - * to add iterators onto their already existing iterators. - */ - Common::Error add_iterator(SongIterator *it, uint32 start_time); - - /** - * Stops the currently playing song and deletes the associated iterator. - * @return Common::kNoError on success, Common::kUnknownError on failure - */ - Common::Error stop(); - - /** - * Transmits a song iterator message to the active song. - * @param msg the message to transmit - * @return Common::kNoError on success, Common::kUnknownError on failure - */ - Common::Error iterator_message(const SongIterator::Message &msg); - - /** - * Pauses song playing. - * @return Common::kNoError on success, Common::kUnknownError on failure - */ - Common::Error pause(); - - /** - * Resumes song playing after a pause. - * @return Common::kNoError on success, Common::kUnknownError on failure - */ - Common::Error resume(); - - /** - * Pass a raw MIDI event to the synth. - * @param argc length of buffer holding the midi event - * @param argv the buffer itself - */ - void tell_synth(int buf_nr, byte *buf); - - void setVolume(int vol); - - int getVolume(); -}; - -SfxPlayer::SfxPlayer() { - _polyphony = 0; - - _mididrv = 0; - - _iterator = NULL; - _pauseTimeDiff = 0; - - _paused = false; - _iteratorIsDone = false; - _tempo = 0; - - _volume = 15; -} - -SfxPlayer::~SfxPlayer() { - if (_mididrv) { - _mididrv->close(); - delete _mididrv; - } - delete _iterator; - _iterator = NULL; -} - -void SfxPlayer::play_song(SongIterator *it) { - while (_iterator && _wakeupTime.msecsDiff(_currentTime) <= 0) { - int delay; - byte buf[8]; - int result; - - switch ((delay = songit_next(&(_iterator), - buf, &result, - IT_READER_MASK_ALL - | IT_READER_MAY_FREE - | IT_READER_MAY_CLEAN))) { - - case SI_FINISHED: - delete _iterator; - _iterator = NULL; - _iteratorIsDone = true; - return; - - case SI_IGNORE: - case SI_LOOP: - case SI_RELATIVE_CUE: - case SI_ABSOLUTE_CUE: - break; - - case SI_PCM: - sfx_play_iterator_pcm(_iterator, 0); - break; - - case 0: - static_cast(_mididrv)->send(buf[0], buf[1], buf[2]); - - break; - - default: - _wakeupTime = _wakeupTime.addFrames(delay); - } - } -} - -void SfxPlayer::tell_synth(int buf_nr, byte *buf) { - byte op1 = (buf_nr < 2 ? 0 : buf[1]); - byte op2 = (buf_nr < 3 ? 0 : buf[2]); - - static_cast(_mididrv)->send(buf[0], op1, op2); -} - -void SfxPlayer::player_timer_callback(void *refCon) { - SfxPlayer *thePlayer = (SfxPlayer *)refCon; - assert(refCon); - Common::StackLock lock(thePlayer->_mutex); - - if (thePlayer->_iterator && !thePlayer->_iteratorIsDone && !thePlayer->_paused) { - thePlayer->play_song(thePlayer->_iterator); - } - - thePlayer->_currentTime = thePlayer->_currentTime.addFrames(1); -} - -/* API implementation */ - -Common::Error SfxPlayer::init(ResourceManager *resMan, int expected_latency) { - MidiDriverType musicDriver = MidiDriver::detectMusicDriver(MDT_PCSPK | MDT_ADLIB); - - switch (musicDriver) { - case MD_ADLIB: - // FIXME: There's no Amiga sound option, so we hook it up to Adlib - if (((SciEngine *)g_engine)->getPlatform() == Common::kPlatformAmiga) - _mididrv = MidiPlayer_Amiga_create(); - else - _mididrv = MidiPlayer_Adlib_create(); - break; - case MD_PCJR: - _mididrv = new MidiPlayer_PCJr(); - break; - case MD_PCSPK: - _mididrv = new MidiPlayer_PCSpeaker(); - break; - default: - break; - } - - assert(_mididrv); - - _polyphony = _mididrv->getPolyphony(); - - _tempo = _mididrv->getBaseTempo(); - uint32 time = g_system->getMillis(); - _currentTime = Audio::Timestamp(time, 1000000 / _tempo); - _wakeupTime = Audio::Timestamp(time, SFX_TICKS_PER_SEC); - - _mididrv->setTimerCallback(this, player_timer_callback); - _mididrv->open(resMan); - _mididrv->setVolume(_volume); - - return Common::kNoError; -} - -Common::Error SfxPlayer::add_iterator(SongIterator *it, uint32 start_time) { - Common::StackLock lock(_mutex); - SIMSG_SEND(it, SIMSG_SET_PLAYMASK(_mididrv->getPlayMask())); - SIMSG_SEND(it, SIMSG_SET_RHYTHM(_mididrv->hasRhythmChannel())); - - if (_iterator == NULL) { - // Resync with clock - _currentTime = Audio::Timestamp(g_system->getMillis(), 1000000 / _tempo); - _wakeupTime = Audio::Timestamp(start_time, SFX_TICKS_PER_SEC); - } - - _iterator = sfx_iterator_combine(_iterator, it); - _iteratorIsDone = false; - - return Common::kNoError; -} - -Common::Error SfxPlayer::stop() { - debug(3, "Player: Stopping song iterator %p", (void *)_iterator); - Common::StackLock lock(_mutex); - delete _iterator; - _iterator = NULL; - for (int i = 0; i < MIDI_CHANNELS; i++) - static_cast(_mididrv)->send(0xb0 + i, SCI_MIDI_CHANNEL_NOTES_OFF, 0); - - return Common::kNoError; -} - -Common::Error SfxPlayer::iterator_message(const SongIterator::Message &msg) { - Common::StackLock lock(_mutex); - if (!_iterator) { - return Common::kUnknownError; - } - - songit_handle_message(&_iterator, msg); - - return Common::kNoError; -} - -Common::Error SfxPlayer::pause() { - Common::StackLock lock(_mutex); - - _paused = true; - _pauseTimeDiff = _wakeupTime.msecsDiff(_currentTime); - - _mididrv->playSwitch(false); - - return Common::kNoError; -} - -Common::Error SfxPlayer::resume() { - Common::StackLock lock(_mutex); - - _wakeupTime = Audio::Timestamp(_currentTime.msecs() + _pauseTimeDiff, SFX_TICKS_PER_SEC); - _mididrv->playSwitch(true); - _paused = false; - - return Common::kNoError; -} - -void SfxPlayer::setVolume(int vol) { - _mididrv->setVolume(vol); -} - -int SfxPlayer::getVolume() { - return _mididrv->getVolume(); -} - -#pragma mark - - -void SfxState::sfx_reset_player() { - if (_player) - _player->stop(); -} - -void SfxState::sfx_player_tell_synth(int buf_nr, byte *buf) { - if (_player) - _player->tell_synth(buf_nr, buf); -} - -int SfxState::sfx_get_player_polyphony() { - if (_player) - return _player->_polyphony; - else - return 0; -} - -SfxState::SfxState() { - _player = NULL; - _it = NULL; - _flags = 0; - _song = NULL; - _suspended = 0; -} - -SfxState::~SfxState() { -} - - -void SfxState::freezeTime() { - /* Freezes the top song delay time */ - const Audio::Timestamp ctime = Audio::Timestamp(g_system->getMillis(), SFX_TICKS_PER_SEC); - Song *song = _song; - - while (song) { - song->_delay = song->_wakeupTime.frameDiff(ctime); - if (song->_delay < 0) - song->_delay = 0; - - song = song->_nextPlaying; - } -} - -void SfxState::thawTime() { - /* inverse of freezeTime() */ - const Audio::Timestamp ctime = Audio::Timestamp(g_system->getMillis(), SFX_TICKS_PER_SEC); - Song *song = _song; - - while (song) { - song->_wakeupTime = ctime.addFrames(song->_delay); - - song = song->_nextPlaying; - } -} - -#if 0 -// Unreferenced - removed -static void _dump_playing_list(SfxState *self, char *msg) { - Song *song = self->_song; - - fprintf(stderr, "[] Song list : [ "); - song = *(self->_songlib.lib); - while (song) { - fprintf(stderr, "%08lx:%d ", song->handle, song->_status); - song = song->_nextPlaying; - } - fprintf(stderr, "]\n"); - - fprintf(stderr, "[] Play list (%s) : [ " , msg); - - while (song) { - fprintf(stderr, "%08lx ", song->handle); - song = song->_nextPlaying; - } - - fprintf(stderr, "]\n"); -} -#endif - -#if 0 -static void _dump_songs(SfxState *self) { - Song *song = self->_song; - - fprintf(stderr, "Cue iterators:\n"); - song = *(self->_songlib.lib); - while (song) { - fprintf(stderr, " **\tHandle %08x (p%d): status %d\n", - song->handle, song->_priority, song->_status); - SIMSG_SEND(song->_it, SIMSG_PRINT(1)); - song = song->_next; - } - - if (self->_player) { - fprintf(stderr, "Audio iterator:\n"); - self->_player->iterator_message(SongIterator::Message(0, SIMSG_PRINT(1))); - } -} -#endif - -bool SfxState::isPlaying(Song *song) { - Song *playing_song = _song; - - /* _dump_playing_list(this, "is-playing");*/ - - while (playing_song) { - if (playing_song == song) - return true; - playing_song = playing_song->_nextPlaying; - } - return false; -} - -void SfxState::setSongStatus(Song *song, int status) { - const Audio::Timestamp ctime = Audio::Timestamp(g_system->getMillis(), SFX_TICKS_PER_SEC); - - switch (status) { - - case SOUND_STATUS_STOPPED: - // Reset - song->_it->init(); - break; - - case SOUND_STATUS_SUSPENDED: - case SOUND_STATUS_WAITING: - if (song->_status == SOUND_STATUS_PLAYING) { - // Update delay, set wakeup_time - song->_delay += song->_wakeupTime.frameDiff(ctime); - song->_wakeupTime = ctime; - } - if (status == SOUND_STATUS_SUSPENDED) - break; - - /* otherwise... */ - - case SOUND_STATUS_PLAYING: - if (song->_status == SOUND_STATUS_STOPPED) { - // Starting anew - song->_wakeupTime = ctime; - } - - if (isPlaying(song)) - status = SOUND_STATUS_PLAYING; - else - status = SOUND_STATUS_WAITING; - break; - - default: - fprintf(stderr, "%s L%d: Attempt to set invalid song" - " state %d!\n", __FILE__, __LINE__, status); - return; - - } - song->_status = status; -} - -/* Update internal state iff only one song may be played */ -void SfxState::updateSingleSong() { - Song *newsong = _songlib.findFirstActive(); - - if (newsong != _song) { - freezeTime(); /* Store song delay time */ - - if (_player) - _player->stop(); - - if (newsong) { - if (!newsong->_it) - return; /* Restore in progress and not ready for this yet */ - - /* Change song */ - if (newsong->_status == SOUND_STATUS_WAITING) - setSongStatus(newsong, SOUND_STATUS_PLAYING); - - /* Change instrument mappings */ - } else { - /* Turn off sound */ - } - if (_song) { - if (_song->_status == SOUND_STATUS_PLAYING) - setSongStatus(newsong, SOUND_STATUS_WAITING); - } - - Common::String debugMessage = "[SFX] Changing active song:"; - if (!_song) { - debugMessage += " New song:"; - } else { - char tmp[50]; - sprintf(tmp, " pausing %08lx, now playing ", _song->_handle); - debugMessage += tmp; - } - - if (newsong) { - char tmp[20]; - sprintf(tmp, "%08lx\n", newsong->_handle); - debugMessage += tmp; - } else { - debugMessage += " none\n"; - } - - debugC(2, kDebugLevelSound, "%s", debugMessage.c_str()); - - _song = newsong; - thawTime(); /* Recover song delay time */ - - if (newsong && _player) { - SongIterator *clonesong = newsong->_it->clone(newsong->_delay); - - _player->add_iterator(clonesong, newsong->_wakeupTime.msecs()); - } - } -} - - -void SfxState::updateMultiSong() { - Song *oldfirst = _song; - Song *oldseeker; - Song *newsong = _songlib.findFirstActive(); - Song *newseeker; - Song not_playing_anymore; /* Dummy object, referenced by - ** songs which are no longer - ** active. */ - - /* _dump_playing_list(this, "before");*/ - freezeTime(); /* Store song delay time */ - - // WORKAROUND: sometimes, newsong can be NULL (e.g. in SQ4). - // Handle this here, so that we avoid a crash - if (!newsong) { - // Iterators should get freed when there's only one song left playing - if(oldfirst && oldfirst->_status == SOUND_STATUS_STOPPED) { - debugC(2, kDebugLevelSound, "[SFX] Stopping song %lx\n", oldfirst->_handle); - if (_player && oldfirst->_it) - _player->iterator_message(SongIterator::Message(oldfirst->_it->ID, SIMSG_STOP)); - } - return; - } - - for (newseeker = newsong; newseeker; - newseeker = newseeker->_nextPlaying) { - if (!newseeker || !newseeker->_it) - return; /* Restore in progress and not ready for this yet */ - } - - /* First, put all old songs into the 'stopping' list and - ** mark their 'next-playing' as not_playing_anymore. */ - for (oldseeker = oldfirst; oldseeker; - oldseeker = oldseeker->_nextStopping) { - oldseeker->_nextStopping = oldseeker->_nextPlaying; - oldseeker->_nextPlaying = ¬_playing_anymore; - - if (oldseeker == oldseeker->_nextPlaying) { - error("updateMultiSong() failed. Breakpoint in %s, line %d", __FILE__, __LINE__); - } - } - - /* Second, re-generate the new song queue. */ - for (newseeker = newsong; newseeker; newseeker = newseeker->_nextPlaying) { - newseeker->_nextPlaying = _songlib.findNextActive(newseeker); - - if (newseeker == newseeker->_nextPlaying) { - error("updateMultiSong() failed. Breakpoint in %s, line %d", __FILE__, __LINE__); - } - } - /* We now need to update the currently playing song list, because we're - ** going to use some functions that require this list to be in a sane - ** state (particularly isPlaying(), indirectly */ - _song = newsong; - - /* Third, stop all old songs */ - for (oldseeker = oldfirst; oldseeker; - oldseeker = oldseeker->_nextStopping) - if (oldseeker->_nextPlaying == ¬_playing_anymore) { - setSongStatus(oldseeker, SOUND_STATUS_SUSPENDED); - debugC(2, kDebugLevelSound, "[SFX] Stopping song %lx\n", oldseeker->_handle); - - if (_player && oldseeker->_it) - _player->iterator_message(SongIterator::Message(oldseeker->_it->ID, SIMSG_STOP)); - oldseeker->_nextPlaying = NULL; /* Clear this pointer; we don't need the tag anymore */ - } - - for (newseeker = newsong; newseeker; newseeker = newseeker->_nextPlaying) { - if (newseeker->_status != SOUND_STATUS_PLAYING && _player) { - debugC(2, kDebugLevelSound, "[SFX] Adding song %lx\n", newseeker->_it->ID); - - SongIterator *clonesong = newseeker->_it->clone(newseeker->_delay); - _player->add_iterator(clonesong, g_system->getMillis()); - } - setSongStatus(newseeker, SOUND_STATUS_PLAYING); - } - - _song = newsong; - thawTime(); - /* _dump_playing_list(this, "after");*/ -} - -/* Update internal state */ -void SfxState::update() { - if (_flags & SFX_STATE_FLAG_MULTIPLAY) - updateMultiSong(); - else - updateSingleSong(); -} - -static int sfx_play_iterator_pcm(SongIterator *it, SongHandle handle) { -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Playing PCM: %08lx\n", handle); -#endif - if (g_system->getMixer()->isReady()) { - Audio::AudioStream *newfeed = it->getAudioStream(); - if (newfeed) { - g_system->getMixer()->playInputStream(Audio::Mixer::kSFXSoundType, 0, newfeed); - return 1; - } - } - return 0; -} - -#define DELAY (1000000 / SFX_TICKS_PER_SEC) - -void SfxState::sfx_init(ResourceManager *resMan, int flags) { - _songlib._lib = 0; - _song = NULL; - _flags = flags; - - _player = NULL; - - if (flags & SFX_STATE_FLAG_NOSOUND) { - warning("[SFX] Sound disabled"); - return; - } - -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Initialising: flags=%x\n", flags); -#endif - - /*-------------------*/ - /* Initialise player */ - /*-------------------*/ - - if (!resMan) { - warning("[SFX] Warning: No resource manager present, cannot initialise player"); - return; - } - - _player = new SfxPlayer(); - - if (!_player) { - warning("[SFX] No song player found"); - return; - } - - if (_player->init(resMan, DELAY / 1000)) { - warning("[SFX] Song player reported error, disabled"); - delete _player; - _player = NULL; - } - - _resMan = resMan; -} - -void SfxState::sfx_exit() { -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Uninitialising\n"); -#endif - - delete _player; - _player = 0; - - g_system->getMixer()->stopAll(); - - _songlib.freeSounds(); -} - -void SfxState::sfx_suspend(bool suspend) { -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Suspending? = %d\n", suspend); -#endif - if (suspend && (!_suspended)) { - /* suspend */ - - freezeTime(); - if (_player) - _player->pause(); - /* Suspend song player */ - - } else if (!suspend && (_suspended)) { - /* unsuspend */ - - thawTime(); - if (_player) - _player->resume(); - - /* Unsuspend song player */ - } - - _suspended = suspend; -} - -int SfxState::sfx_poll(SongHandle *handle, int *cue) { - if (!_song) - return 0; /* No milk today */ - - *handle = _song->_handle; - -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Polling any (%08lx)\n", *handle); -#endif - return sfx_poll_specific(*handle, cue); -} - -int SfxState::sfx_poll_specific(SongHandle handle, int *cue) { - const Audio::Timestamp ctime = Audio::Timestamp(g_system->getMillis(), SFX_TICKS_PER_SEC); - Song *song = _song; - - while (song && song->_handle != handle) - song = song->_nextPlaying; - - if (!song) - return 0; /* Song not playing */ - - debugC(2, kDebugLevelSound, "[SFX:CUE] Polled song %08lx ", handle); - - while (1) { - if (song->_wakeupTime.frameDiff(ctime) > 0) - return 0; /* Patience, young hacker! */ - - byte buf[8]; - int result = songit_next(&(song->_it), buf, cue, IT_READER_MASK_ALL); - - switch (result) { - - case SI_FINISHED: - setSongStatus(song, SOUND_STATUS_STOPPED); - update(); - /* ...fall through... */ - case SI_LOOP: - case SI_RELATIVE_CUE: - case SI_ABSOLUTE_CUE: - if (result == SI_FINISHED) - debugC(2, kDebugLevelSound, " => finished"); - else { - if (result == SI_LOOP) - debugC(2, kDebugLevelSound, " => Loop: %d (0x%x)", *cue, *cue); - else - debugC(2, kDebugLevelSound, " => Cue: %d (0x%x)", *cue, *cue); - - } - return result; - - default: - if (result > 0) - song->_wakeupTime = song->_wakeupTime.addFrames(result); - - /* Delay */ - break; - } - } - -} - - -/*****************/ -/* Song basics */ -/*****************/ - -void SfxState::sfx_add_song(SongIterator *it, int priority, SongHandle handle, int number) { - Song *song = _songlib.findSong(handle); - -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Adding song: %08lx at %d, it=%p\n", handle, priority, it); -#endif - if (!it) { - error("[SFX] Attempt to add empty song with handle %08lx", handle); - return; - } - - it->init(); - - /* If we're already playing this, stop it */ - /* Tell player to shut up */ -// _dump_songs(this); - - if (_player) - _player->iterator_message(SongIterator::Message(handle, SIMSG_STOP)); - - if (song) { - setSongStatus( song, SOUND_STATUS_STOPPED); - - fprintf(stderr, "Overwriting old song (%08lx) ...\n", handle); - if (song->_status == SOUND_STATUS_PLAYING || song->_status == SOUND_STATUS_SUSPENDED) { - delete it; - error("Unexpected (error): Song %ld still playing/suspended (%d)", - handle, song->_status); - return; - } else { - _songlib.removeSong(handle); /* No duplicates */ - } - - } - - song = new Song(handle, it, priority); - song->_resourceNum = number; - song->_hold = 0; - song->_loops = 0; - song->_wakeupTime = Audio::Timestamp(g_system->getMillis(), SFX_TICKS_PER_SEC); - _songlib.addSong(song); - _song = NULL; /* As above */ - update(); - - return; -} - -void SfxState::sfx_remove_song(SongHandle handle) { -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Removing song: %08lx\n", handle); -#endif - if (_song && _song->_handle == handle) - _song = NULL; - - _songlib.removeSong(handle); - update(); -} - - - -/**********************/ -/* Song modifications */ -/**********************/ - -#define ASSERT_SONG(s) if (!(s)) { warning("Looking up song handle %08lx failed in %s, L%d", handle, __FILE__, __LINE__); return; } - -void SfxState::sfx_song_set_status(SongHandle handle, int status) { - Song *song = _songlib.findSong(handle); - ASSERT_SONG(song); -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Setting song status to %d" - " (0:stop, 1:play, 2:susp, 3:wait): %08lx\n", status, handle); -#endif - - setSongStatus(song, status); - - update(); -} - -void SfxState::sfx_song_set_fade(SongHandle handle, fade_params_t *params) { -#ifdef DEBUG_SONG_API - static const char *stopmsg[] = {"??? Should not happen", "Do not stop afterwards", "Stop afterwards"}; -#endif - Song *song = _songlib.findSong(handle); - - ASSERT_SONG(song); - -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Setting fade params of %08lx to " - "final volume %d in steps of %d per %d ticks. %s.", - handle, fade->final_volume, fade->step_size, fade->ticks_per_step, - stopmsg[fade->action]); -#endif - - SIMSG_SEND_FADE(song->_it, params); - - update(); -} - -void SfxState::sfx_song_renice(SongHandle handle, int priority) { - Song *song = _songlib.findSong(handle); - ASSERT_SONG(song); -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Renicing song %08lx to %d\n", - handle, priority); -#endif - - song->_priority = priority; - - update(); -} - -void SfxState::sfx_song_set_loops(SongHandle handle, int loops) { - Song *song = _songlib.findSong(handle); - SongIterator::Message msg = SongIterator::Message(handle, SIMSG_SET_LOOPS(loops)); - ASSERT_SONG(song); - - song->_loops = loops; -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Setting loops on %08lx to %d\n", - handle, loops); -#endif - songit_handle_message(&(song->_it), msg); - - if (_player/* && _player->send_iterator_message*/) - /* FIXME: The above should be optional! */ - _player->iterator_message(msg); -} - -void SfxState::sfx_song_set_hold(SongHandle handle, int hold) { - Song *song = _songlib.findSong(handle); - SongIterator::Message msg = SongIterator::Message(handle, SIMSG_SET_HOLD(hold)); - ASSERT_SONG(song); - - song->_hold = hold; -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] Setting hold on %08lx to %d\n", - handle, hold); -#endif - songit_handle_message(&(song->_it), msg); - - if (_player/* && _player->send_iterator_message*/) - /* FIXME: The above should be optional! */ - _player->iterator_message(msg); -} - -/* Different from the one in iterator.c */ -static const int MIDI_cmdlen[16] = {0, 0, 0, 0, 0, 0, 0, 0, - 3, 3, 0, 3, 2, 0, 3, 0 - }; - -static const SongHandle midi_send_base = 0xffff0000; - -Common::Error SfxState::sfx_send_midi(SongHandle handle, int channel, - int command, int arg1, int arg2) { - byte buffer[5]; - - /* Yes, in that order. SCI channel mutes are actually done via - a counting semaphore. 0 means to decrement the counter, 1 - to increment it. */ - static const char *channel_state[] = {"ON", "OFF"}; - - if (command == 0xb0 && - arg1 == SCI_MIDI_CHANNEL_MUTE) { - warning("TODO: channel mute (channel %d %s)", channel, channel_state[arg2]); - /* We need to have a GET_PLAYMASK interface to use - here. SET_PLAYMASK we've got. - */ - return Common::kNoError; - } - - buffer[0] = channel | command; /* No channel remapping yet */ - - switch (command) { - case 0x80 : - case 0x90 : - case 0xb0 : - buffer[1] = arg1 & 0xff; - buffer[2] = arg2 & 0xff; - break; - case 0xc0 : - buffer[1] = arg1 & 0xff; - break; - case 0xe0 : - buffer[1] = (arg1 & 0x7f) | 0x80; - buffer[2] = (arg1 & 0xff00) >> 7; - break; - default: - warning("Unexpected explicit MIDI command %02x", command); - return Common::kUnknownError; - } - - if (_player) - _player->tell_synth(MIDI_cmdlen[command >> 4], buffer); - return Common::kNoError; -} - -int SfxState::sfx_getVolume() { - return _player->getVolume(); -} - -void SfxState::sfx_setVolume(int volume) { - _player->setVolume(volume); -} - -void SfxState::sfx_all_stop() { -#ifdef DEBUG_SONG_API - fprintf(stderr, "[sfx-core] All stop\n"); -#endif - - _songlib.freeSounds(); - update(); -} - -} // End of namespace Sci -- cgit v1.2.3