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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"
#include "sci/engine/features.h"
#include "sci/engine/state.h"
#include "sci/engine/kernel.h"
#include "sci/engine/vm.h" // for Object
#include "sci/sound/audio.h"
#include "sci/sound/soundcmd.h"
#include "sound/mixer.h"
namespace Sci {
/**
* Used for synthesized music playback
*/
reg_t kDoSound(EngineState *s, int argc, reg_t *argv) {
return s->_soundCmd->parseCommand(argc, argv, s->r_acc);
}
reg_t kDoCdAudio(EngineState *s, int argc, reg_t *argv) {
switch (argv[0].toUint16()) {
case kSciAudioPlay: {
if (argc < 2)
return NULL_REG;
uint16 track = argv[1].toUint16();
uint32 startFrame = (argc > 2) ? argv[2].toUint16() * 75 : 0;
uint32 totalFrames = (argc > 3) ? argv[3].toUint16() * 75 : 0;
return make_reg(0, g_sci->_audio->audioCdPlay(track, startFrame, totalFrames));
}
case kSciAudioStop:
g_sci->_audio->audioCdStop();
if (getSciVersion() == SCI_VERSION_1_1)
return make_reg(0, 1);
break;
case kSciAudioPause:
warning("Can't pause CD Audio");
break;
case kSciAudioResume:
// This seems to be hacked up to update the CD instead of resuming
// audio like kDoAudio does.
g_sci->_audio->audioCdUpdate();
break;
case kSciAudioPosition:
return make_reg(0, g_sci->_audio->audioCdPosition());
case kSciAudioWPlay: // CD Audio can't be preloaded
case kSciAudioRate: // No need to set the audio rate
case kSciAudioVolume: // The speech setting isn't used by CD Audio
case kSciAudioLanguage: // No need to set the language
break;
case kSciAudioCD:
// Init
return make_reg(0, 1);
default:
error("kCdDoAudio: Unhandled case %d", argv[0].toUint16());
}
return s->r_acc;
}
/**
* Used for speech playback and digital soundtracks in CD games
*/
reg_t kDoAudio(EngineState *s, int argc, reg_t *argv) {
// JonesCD uses different functions based on the cdaudio.map file
// to use red book tracks.
if (g_sci->_features->usesCdTrack())
return kDoCdAudio(s, argc, argv);
Audio::Mixer *mixer = g_system->getMixer();
switch (argv[0].toUint16()) {
case kSciAudioWPlay:
case kSciAudioPlay: {
uint16 module;
uint32 number;
g_sci->_audio->stopAudio();
if (argc == 2) {
module = 65535;
number = argv[1].toUint16();
} else if (argc == 6 || argc == 8) {
module = argv[1].toUint16();
number = ((argv[2].toUint16() & 0xff) << 24) |
((argv[3].toUint16() & 0xff) << 16) |
((argv[4].toUint16() & 0xff) << 8) |
(argv[5].toUint16() & 0xff);
if (argc == 8)
warning("kDoAudio: Play called with SQ6 extra parameters");
} else {
warning("kDoAudio: Play called with an unknown number of parameters (%d)", argc);
return NULL_REG;
}
debugC(2, kDebugLevelSound, "kDoAudio: play sample %d, module %d", number, module);
// return sample length in ticks
if (argv[0].toUint16() == kSciAudioWPlay)
return make_reg(0, g_sci->_audio->wPlayAudio(module, number));
else
return make_reg(0, g_sci->_audio->startAudio(module, number));
}
case kSciAudioStop:
debugC(2, kDebugLevelSound, "kDoAudio: stop");
g_sci->_audio->stopAudio();
break;
case kSciAudioPause:
debugC(2, kDebugLevelSound, "kDoAudio: pause");
g_sci->_audio->pauseAudio();
break;
case kSciAudioResume:
debugC(2, kDebugLevelSound, "kDoAudio: resume");
g_sci->_audio->resumeAudio();
break;
case kSciAudioPosition:
//debugC(2, kDebugLevelSound, "kDoAudio: get position"); // too verbose
return make_reg(0, g_sci->_audio->getAudioPosition());
case kSciAudioRate:
debugC(2, kDebugLevelSound, "kDoAudio: set audio rate to %d", argv[1].toUint16());
g_sci->_audio->setAudioRate(argv[1].toUint16());
break;
case kSciAudioVolume: {
int16 volume = argv[1].toUint16();
volume = CLIP<int16>(volume, 0, AUDIO_VOLUME_MAX);
debugC(2, kDebugLevelSound, "kDoAudio: set volume to %d", volume);
#ifdef ENABLE_SCI32
if (getSciVersion() >= SCI_VERSION_2_1) {
int16 volumePrev = mixer->getVolumeForSoundType(Audio::Mixer::kSpeechSoundType) / 2;
volumePrev = CLIP<int16>(volumePrev, 0, AUDIO_VOLUME_MAX);
mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, volume * 2);
return make_reg(0, volumePrev);
} else
#endif
mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, volume * 2);
}
case kSciAudioLanguage:
// In SCI1.1: tests for digital audio support
if (getSciVersion() == SCI_VERSION_1_1) {
debugC(2, kDebugLevelSound, "kDoAudio: audio capability test");
return make_reg(0, 1);
} else {
int16 language = argv[1].toSint16();
debugC(2, kDebugLevelSound, "kDoAudio: set language to %d", language);
if (language != -1)
g_sci->getResMan()->setAudioLanguage(language);
kLanguage kLang = g_sci->getSciLanguage();
g_sci->setSciLanguage(kLang);
return make_reg(0, kLang);
}
break;
case kSciAudioCD:
if (getSciVersion() <= SCI_VERSION_1_1) {
debugC(2, kDebugLevelSound, "kDoAudio: CD audio subop");
return kDoCdAudio(s, argc - 1, argv + 1);
#ifdef ENABLE_SCI32
} else {
// TODO: This isn't CD Audio in SCI32 anymore
warning("kDoAudio: Unhandled case 10, %d extra arguments passed", argc - 1);
break;
#endif
}
// 3 new subops in Pharkas. kDoAudio in Pharkas sits at seg026:038C
case 11:
warning("kDoAudio: Unhandled case 11, %d extra arguments passed", argc - 1);
break;
case 12:
// Seems to be audio sync, used in Pharkas. Silenced the warning due to
// the high level of spam it produces.
//warning("kDoAudio: Unhandled case 12, %d extra arguments passed", argc - 1);
break;
case 13:
// Used in Pharkas whenever a speech sample starts
warning("kDoAudio: Unhandled case 13, %d extra arguments passed", argc - 1);
break;
default:
warning("kDoAudio: Unhandled case %d, %d extra arguments passed", argv[0].toUint16(), argc - 1);
}
return s->r_acc;
}
reg_t kDoSync(EngineState *s, int argc, reg_t *argv) {
SegManager *segMan = s->_segMan;
switch (argv[0].toUint16()) {
case kSciAudioSyncStart: {
ResourceId id;
g_sci->_audio->stopSoundSync();
// Load sound sync resource and lock it
if (argc == 3) {
id = ResourceId(kResourceTypeSync, argv[2].toUint16());
} else if (argc == 7) {
id = ResourceId(kResourceTypeSync36, argv[2].toUint16(), argv[3].toUint16(), argv[4].toUint16(),
argv[5].toUint16(), argv[6].toUint16());
} else {
warning("kDoSync: Start called with an unknown number of parameters (%d)", argc);
return s->r_acc;
}
g_sci->_audio->setSoundSync(id, argv[1], segMan);
break;
}
case kSciAudioSyncNext:
g_sci->_audio->doSoundSync(argv[1], segMan);
break;
case kSciAudioSyncStop:
g_sci->_audio->stopSoundSync();
break;
default:
error("DoSync: Unhandled subfunction %d", argv[0].toUint16());
}
return s->r_acc;
}
} // End of namespace Sci
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