scummvm/engines/fullpipe/sound.cpp

/* 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.
 *
 */

#include "fullpipe/fullpipe.h"

#include "fullpipe/objects.h"
#include "fullpipe/scene.h"
#include "fullpipe/sound.h"
#include "fullpipe/ngiarchive.h"
#include "common/memstream.h"
#include "audio/audiostream.h"
#include "audio/decoders/vorbis.h"
#include "audio/decoders/wave.h"

namespace Fullpipe {

SoundList::SoundList() {
	_soundItems = 0;
	_soundItemsCount = 0;
	_libHandle = 0;
}

bool SoundList::load(MfcArchive &file, char *fname) {
	debug(5, "SoundList::load()");

	_soundItemsCount = file.readUint32LE();
	_soundItems = (Sound **)calloc(_soundItemsCount, sizeof(Sound *));

	if (fname) {
	  _libHandle = (NGIArchive *)makeNGIArchive(fname);
	} else {
		_libHandle = 0;
	}

	for (int i = 0; i < _soundItemsCount; i++) {
		Sound *snd = new Sound();

		_soundItems[i] = snd;
		snd->load(file, _libHandle);
	}

	return true;
	
}

bool SoundList::loadFile(const char *fname, char *libname) {
	Common::File file;

	if (!file.open(fname))
		return false;

	MfcArchive archive(&file);

	return load(archive, libname);
}

Sound::Sound() {
	_id = 0;
	_directSoundBuffer = 0;
	_soundData = 0;
	_objectId = 0;
	memset(_directSoundBuffers, 0, sizeof(_directSoundBuffers));
	_description = 0;
}

Sound::~Sound() {
	warning("STUB: Sound::~Sound()");
}

bool Sound::load(MfcArchive &file, NGIArchive *archive) {
	debug(5, "Sound::load()");

	MemoryObject::load(file);

	_id = file.readUint32LE();
	_description = file.readPascalString();

	assert(g_fp->_gameProjectVersion >= 6);

	_objectId = file.readUint16LE();

	if (archive && archive->hasFile(_memfilename)) {
		Common::SeekableReadStream *s = archive->createReadStreamForMember(_memfilename);

		_soundData = (byte *)calloc(s->size(), 1);

		s->read(_soundData, s->size());

		delete s;
	}

	return true;
}

void Sound::updateVolume() {
	debug(3, "STUB Sound::updateVolume()");
}

void Sound::setPanAndVolumeByStaticAni() {
	debug(3, "STUB Sound::setPanAndVolumeByStaticAni()");
}

void Sound::setPanAndVolume(int vol, int pan) {
	warning("STUB: Sound::setPanAndVolume");
}

void FullpipeEngine::setSceneMusicParameters(GameVar *var) {
	warning("STUB: FullpipeEngine::setSceneMusicParameters()");
	// TODO: Finish this (MINDELAY, MAXDELAY, LOCAL, SEQUENCE, STARTDELAY etc)
	stopAllSoundStreams();
	_musicGameVar = var;
}

void FullpipeEngine::startSceneTrack() {
	if (!g_fp->_sceneTrackIsPlaying && g_fp->_numSceneTracks > 0) {
		if (g_fp->_trackStartDelay > 0) {
			g_fp->_trackStartDelay--;
		} else {
			int trackNum = getSceneTrack();

			if (trackNum == -1) {
				strcpy(g_fp->_sceneTracksCurrentTrack, "silence");

				g_fp->_trackStartDelay = 2880;
				g_fp->_sceneTrackIsPlaying = 0;
			} else {
				strcpy(g_fp->_sceneTracksCurrentTrack, g_fp->_sceneTracks[trackNum]);

				startSoundStream1(g_fp->_sceneTracksCurrentTrack);

				g_fp->_sceneTrackIsPlaying = 1;
			}
		}
	}
}

int FullpipeEngine::getSceneTrack() {
	int res;

	if (_sceneTrackHasSequence) {
		int num = _musicGameVar->getSubVarAsInt("TRACKS");

		if (_trackName[num + 1] == 's') { // 'silence'
			res = -1;
		} else {
			res = _trackName[num + 1] - '0';

			if (res < 0 || res >= _numSceneTracks)
				res = 0;
		}

		int track = num + 1;

		if (!_trackName[num + 2])
			track = 0;

		_musicGameVar->setSubVarAsInt("TRACKS", track);
	} else {
		res = _numSceneTracks * (_updateTicks % 10) / 10;
	}

	return res;
}

void FullpipeEngine::startSoundStream1(char *trackName) {
	stopAllSoundStreams();

#ifdef USE_VORBIS
	if (g_fp->_mixer->isSoundHandleActive(_sceneTrackHandle))
		return;

	Common::File *track = new Common::File();
	if (!track->open(trackName)) {
		warning("Could not open %s", trackName);
		delete track;
		return;
	}
	Audio::RewindableAudioStream *ogg = Audio::makeVorbisStream(track, DisposeAfterUse::YES);
	g_fp->_mixer->playStream(Audio::Mixer::kMusicSoundType, &_sceneTrackHandle, ogg);
#endif
}

void FullpipeEngine::stopAllSounds() {
	// TODO: Differences from stopAllSoundStreams()
	g_fp->_mixer->stopAll();
}

void FullpipeEngine::toggleMute() {
	if (g_fp->_soundEnabled) {
		g_fp->_sfxVolume = g_fp->_sfxVolume != -10000 ? -10000 : 0;

		updateSoundVolume();
	}
}

void FullpipeEngine::playSound(int id, int flag) {
	SoundList *soundList = g_fp->_currentScene->_soundList;
	Sound *sound = soundList->getSoundById(id);
	if (!sound) {
		warning("playSound: Can't find sound with ID %d", id);
		return;
	}
	byte *soundData = sound->loadData();
	Common::MemoryReadStream *dataStream = new Common::MemoryReadStream(soundData, sound->getDataSize());
	Audio::RewindableAudioStream *wav = Audio::makeWAVStream(dataStream, DisposeAfterUse::YES);
	Audio::AudioStream *audioStream = new Audio::LoopingAudioStream(wav, (flag == 1) ? 0 : 1);
	Audio::SoundHandle handle = sound->getHandle();
	g_fp->_mixer->playStream(Audio::Mixer::kSFXSoundType, &handle, audioStream);
}

void FullpipeEngine::playTrack(GameVar *sceneVar, const char *name, bool delayed) {
	warning("STUB: FullpipeEngine::playTrack(var, %s, %d)", name, delayed);
#if 0
	stopSoundStream2();

	if (soundStream3)
		FSOUND_Stream_Stop(soundStream4);
#endif

	if (g_fp->_musicLocal)
		stopAllSoundStreams();

	GameVar *var = sceneVar->getSubVarByName(name);

	memset(g_fp->_sceneTracks, 0, sizeof(g_fp->_sceneTracks));

	g_fp->_numSceneTracks = 0;
	g_fp->_sceneTrackHasSequence = false;

	if (!var)
		return;

	g_fp->_musicGameVar = var;

	GameVar *tr = var->getSubVarByName("TRACKS");
	if (tr) {
		GameVar *sub = tr->_subVars;

		while (sub) {
			if (g_fp->_musicAllowed & sub->_value.intValue) {
				strcpy(g_fp->_sceneTracks[g_fp->_numSceneTracks], sub->_varName);

				g_fp->_numSceneTracks++;
			}

			sub = sub->_nextVarObj;
		}
	}

	g_fp->_musicMinDelay = var->getSubVarAsInt("MINDELAY");
	g_fp->_musicMaxDelay = var->getSubVarAsInt("MAXDELAY");
	g_fp->_musicLocal = var->getSubVarAsInt("LOCAL");

	GameVar *seq = var->getSubVarByName("SEQUENCE");
	if (seq) {
		g_fp->_sceneTrackHasSequence = true;

		strcpy(g_fp->_trackName, seq->_value.stringValue);
	}

	if (delayed) {
		if (g_fp->_sceneTrackIsPlaying && g_fp->_numSceneTracks == 1) {
			if (strcmp(g_fp->_sceneTracksCurrentTrack, g_fp->_sceneTracks[0]))
				stopAllSoundStreams();
		}

		g_fp->_trackStartDelay = var->getSubVarAsInt("STARTDELAY");
	}
}

void global_messageHandler_handleSound(ExCommand *cmd) {
	debug(0, "STUB: global_messageHandler_handleSound()");
}

void FullpipeEngine::stopSoundStream2() {
	warning("STUB: FullpipeEngine::stopSoundStream2()");
}

void FullpipeEngine::stopAllSoundStreams() {
	// TODO: Differences from stopAllSounds()
	g_fp->_mixer->stopAll();
}

void FullpipeEngine::stopAllSoundInstances(int id) {
	SoundList *soundList = g_fp->_currentScene->_soundList;
	for (int i = 0; i < soundList->getCount(); i++) {
		Sound *sound = soundList->getSoundByIndex(i);
		if (sound->getId() == id) {
			g_fp->_mixer->stopHandle(sound->getHandle());
		}
	}
}

void FullpipeEngine::updateSoundVolume() {
	for (int i = 0; i < _currSoundListCount; i++)
		for (int j = 0; i < _currSoundList1[i]->getCount(); j++) {
			g_fp->_currSoundList1[i]->getSoundByIndex(j)->setPanAndVolume(g_fp->_sfxVolume, 0);
		}
}

void FullpipeEngine::setMusicVolume(int vol) {
	_musicVolume = vol;

	debug(3, "STUB FullpipeEngine::setMusicVolume()");
}

} // End of namespace Fullpipe