scummvm/engines/griffon/sound.cpp
2019-11-13 22:07:08 +01:00

250 lines
7.0 KiB
C++

/* 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.
*
*
* Originally written by Syn9 in FreeBASIC with SDL
* http://syn9.thehideoutgames.com/index_backup.php
*
* Ported to plain C for GCW-Zero handheld by Dmitry Smagin
* http://github.com/dmitrysmagin/griffon_legend
*
*
* Programming/Graphics: Daniel "Syn9" Kennedy
* Music/Sound effects: David Turner
*
* Beta testing and gameplay design help:
* Deleter, Cha0s, Aether Fox, and Kiz
*
*/
#include "audio/audiostream.h"
#include "audio/decoders/vorbis.h"
#include "common/memstream.h"
#include "common/file.h"
#include "common/system.h"
#include "griffon/griffon.h"
namespace Griffon {
void GriffonEngine::setChannelVolume(int channel, int volume) {
_mixer->setChannelVolume(_handles[channel], volume);
}
int GriffonEngine::getSoundHandle() {
for (uint i = 0; i < kSoundHandles; i++) {
if (!_mixer->isSoundHandleActive(_handles[i])) {
return i;
}
}
error("getSoundHandle(): Too many sound handles");
return -1;
}
int GriffonEngine::playSound(DataChunk *chunk, bool looped) {
int ch = getSoundHandle();
#ifdef USE_VORBIS
Audio::SeekableAudioStream *audioStream = Audio::makeVorbisStream(new Common::MemoryReadStream(chunk->data, chunk->size), DisposeAfterUse::YES);
if (looped) {
Audio::AudioStream *loopingStream = new Audio::LoopingAudioStream(audioStream, 0, DisposeAfterUse::YES);
_mixer->playStream(Audio::Mixer::kSFXSoundType, &_handles[ch], loopingStream, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::YES, false, false);
} else {
_mixer->playStream(Audio::Mixer::kSFXSoundType, &_handles[ch], audioStream, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::YES, false, false);
}
#endif // USE_VORBIS
return ch;
}
void GriffonEngine::pauseSoundChannel(int channel) {
_mixer->pauseHandle(_handles[channel], true);
}
void GriffonEngine::haltSoundChannel(int channel) {
if (channel == -1) {
for (int i = 0; i < kSoundHandles; i++)
_mixer->stopHandle(_handles[i]);
} else {
_mixer->stopHandle(_handles[channel]);
}
}
void GriffonEngine::resumeSoundChannel(int channel) {
_mixer->pauseHandle(_handles[channel], false);
}
bool GriffonEngine::isSoundChannelPlaying(int channel) {
return _mixer->isSoundHandleActive(_handles[channel]);
}
DataChunk *cacheSound(const char *name) {
Common::File file;
DataChunk *res = new DataChunk;
file.open(name);
if (!file.isOpen())
error("Cannot open file %s", name);
res->size = file.size();
res->data = (byte *)malloc(res->size);
file.read(res->data, res->size);
return res;
}
void GriffonEngine::setupAudio() {
const char *stri = "Loading...";
drawString(_videoBuffer, stri, 160 - 4 * strlen(stri), 116, 0);
Graphics::TransparentSurface *loadimg = loadImage("art/load.bmp", true);
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.setWidth(88);
rcSrc.setHeight(32);
rcDest.left = 160 - 44;
rcDest.top = 116 + 12;
loadimg->setAlpha(160, true); // 128
loadimg->blit(*_videoBuffer, rcDest.left, rcDest.top, Graphics::FLIP_NONE, &rcSrc);
g_system->copyRectToScreen(_videoBuffer->getPixels(), _videoBuffer->pitch, 0, 0, _videoBuffer->w, _videoBuffer->h);
g_system->updateScreen();
rcDest.left = 160 - 44 + 7;
rcDest.top = 116 + 12 + 12;
rcDest.setHeight(8);
_musicBoss = cacheSound("music/boss.ogg");
drawProgress(1, 21);
_musicGardens1 = cacheSound("music/gardens.ogg");
drawProgress(2, 21);
_musicGardens2 = cacheSound("music/gardens2.ogg");
drawProgress(3, 21);
_musicGardens3 = cacheSound("music/gardens3.ogg");
drawProgress(4, 21);
_musicGardens4 = cacheSound("music/gardens4.ogg");
drawProgress(5, 21);
_musicEndOfGame = cacheSound("music/endofgame.ogg");
drawProgress(6, 21);
_musicMenu = cacheSound("music/menu.ogg");
drawProgress(7, 21);
_sfx[kSndBite] = cacheSound("sfx/bite.ogg");
drawProgress(8, 21);
_sfx[kSndCrystal] = cacheSound("sfx/crystal.ogg");
drawProgress(9, 21);
_sfx[kSndDoor] = cacheSound("sfx/door.ogg");
drawProgress(10, 21);
_sfx[kSndEnemyHit] = cacheSound("sfx/enemyhit.ogg");
drawProgress(11, 21);
_sfx[kSndIce] = cacheSound("sfx/ice.ogg");
drawProgress(12, 21);
_sfx[kSndLever] = cacheSound("sfx/lever.ogg");
drawProgress(13, 21);
_sfx[kSndLightning] = cacheSound("sfx/lightning.ogg");
drawProgress(14, 21);
_sfx[kSndMetalHit] = cacheSound("sfx/metalhit.ogg");
drawProgress(15, 21);
_sfx[kSndPowerUp] = cacheSound("sfx/powerup.ogg");
drawProgress(16, 21);
_sfx[kSndRocks] = cacheSound("sfx/rocks.ogg");
drawProgress(17, 21);
_sfx[kSndSwordHit] = cacheSound("sfx/swordhit.ogg");
drawProgress(18, 21);
_sfx[kSndThrow] = cacheSound("sfx/throw.ogg");
drawProgress(19, 21);
_sfx[kSndChest] = cacheSound("sfx/chest.ogg");
drawProgress(20, 21);
_sfx[kSndFire] = cacheSound("sfx/fire.ogg");
drawProgress(21, 21);
_sfx[kSndBeep] = cacheSound("sfx/beep.ogg");
}
void GriffonEngine::updateMusic() {
static int loopseta = 0;
DataChunk *iplaysound = NULL;
if (config.music) {
// if(_curmap > 5 && _curmap < 42) iplaysound = macademy;
// if(_curmap > 47) iplaysound = _mgardens;
iplaysound = _musicGardens1;
if (_roomLock)
iplaysound = _musicBoss;
if (iplaysound == _musicBoss && _playingBoss)
iplaysound = NULL;
if (iplaysound == _musicGardens1 && _playingGardens)
iplaysound = NULL;
if (iplaysound != NULL) {
haltSoundChannel(_musicChannel);
_playingBoss = (iplaysound == _musicBoss);
_playingGardens = (iplaysound == _musicGardens1);
_musicChannel = playSound(iplaysound, true);
setChannelVolume(_musicChannel, config.musicVol);
} else {
if (!isSoundChannelPlaying(_musicChannel)) {
loopseta += 1;
if (loopseta == 4)
loopseta = 0;
if (_playingGardens) {
haltSoundChannel(_musicChannel);
if (_playingGardens) {
switch (loopseta) {
case 0:
playSound(_musicGardens1);
break;
case 1:
playSound(_musicGardens2);
break;
case 2:
playSound(_musicGardens3);
break;
case 3:
playSound(_musicGardens4);
default:
break;
}
}
}
setChannelVolume(_musicChannel, config.musicVol);
}
}
}
}
} // end of namespace Griffon