Moved engines to the new engines/ directory

svn-id: r20582

1 files changed, 412 insertions, 0 deletions

diff --git a/engines/scumm/imuse_digi/dimuse.cpp b/engines/scumm/imuse_digi/dimuse.cpp
new file mode 100644
index 0000000000..c057cc8d85
--- /dev/null
+++ b/engines/scumm/imuse_digi/dimuse.cpp
@@ -0,0 +1,412 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001-2006 The ScummVM project
+ *
+ * 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 "common/stdafx.h"
+#include "common/system.h"
+#include "common/timer.h"
+
+#include "scumm/actor.h"
+#include "scumm/saveload.h"
+#include "scumm/scumm.h"
+#include "scumm/sound.h"
+#include "scumm/imuse_digi/dimuse.h"
+#include "scumm/imuse_digi/dimuse_bndmgr.h"
+
+#include "sound/audiostream.h"
+#include "sound/mixer.h"
+
+namespace Scumm {
+
+IMuseDigital::Track::Track()
+	: soundId(-1), used(false), stream(NULL), stream2(NULL) {
+}
+
+void IMuseDigital::timer_handler(void *refCon) {
+	IMuseDigital *imuseDigital = (IMuseDigital *)refCon;
+	imuseDigital->callback();
+}
+
+IMuseDigital::IMuseDigital(ScummEngine *scumm, int fps)
+	: _vm(scumm) {
+	_pause = false;
+	_sound = new ImuseDigiSndMgr(_vm);
+	_callbackFps = fps;
+	resetState();
+	for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
+		_track[l] = new Track;
+		_track[l]->trackId = l;
+		_track[l]->used = false;
+	}
+	_vm->_timer->installTimerProc(timer_handler, 1000000 / _callbackFps, this);
+
+	_audioNames = NULL;
+	_numAudioNames = 0;
+}
+
+IMuseDigital::~IMuseDigital() {
+	stopAllSounds();
+	_vm->_timer->removeTimerProc(timer_handler);
+	for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
+		delete _track[l];
+	}
+	delete _sound;
+	free(_audioNames);
+}
+
+void IMuseDigital::resetState() {
+	_curMusicState = 0;
+	_curMusicSeq = 0;
+	_curMusicCue = 0;
+	memset(_attributes, 0, sizeof(_attributes));
+	_nextSeqToPlay = 0;
+}
+
+void IMuseDigital::saveOrLoad(Serializer *ser) {
+	Common::StackLock lock(_mutex, "IMuseDigital::saveOrLoad()");
+
+	const SaveLoadEntry mainEntries[] = {
+		MK_OBSOLETE(IMuseDigital, _volVoice, sleInt32, VER(31), VER(42)),
+		MK_OBSOLETE(IMuseDigital, _volSfx, sleInt32, VER(31), VER(42)),
+		MK_OBSOLETE(IMuseDigital, _volMusic, sleInt32, VER(31), VER(42)),
+		MKLINE(IMuseDigital, _curMusicState, sleInt32, VER(31)),
+		MKLINE(IMuseDigital, _curMusicSeq, sleInt32, VER(31)),
+		MKLINE(IMuseDigital, _curMusicCue, sleInt32, VER(31)),
+		MKLINE(IMuseDigital, _nextSeqToPlay, sleInt32, VER(31)),
+		MKARRAY(IMuseDigital, _attributes[0], sleInt32, 188, VER(31)),
+		MKEND()
+	};
+
+	const SaveLoadEntry trackEntries[] = {
+		MKLINE(Track, pan, sleInt8, VER(31)),
+		MKLINE(Track, vol, sleInt32, VER(31)),
+		MKLINE(Track, volFadeDest, sleInt32, VER(31)),
+		MKLINE(Track, volFadeStep, sleInt32, VER(31)),
+		MKLINE(Track, volFadeDelay, sleInt32, VER(31)),
+		MKLINE(Track, volFadeUsed, sleByte, VER(31)),
+		MKLINE(Track, soundId, sleInt32, VER(31)),
+		MKARRAY(Track, soundName[0], sleByte, 15, VER(31)),
+		MKLINE(Track, used, sleByte, VER(31)),
+		MKLINE(Track, toBeRemoved, sleByte, VER(31)),
+		MKLINE(Track, souStream, sleByte, VER(31)),
+		MKLINE(Track, started, sleByte, VER(31)),
+		MKLINE(Track, priority, sleInt32, VER(31)),
+		MKLINE(Track, regionOffset, sleInt32, VER(31)),
+		MK_OBSOLETE(Track, trackOffset, sleInt32, VER(31), VER(31)),
+		MKLINE(Track, dataOffset, sleInt32, VER(31)),
+		MKLINE(Track, curRegion, sleInt32, VER(31)),
+		MKLINE(Track, curHookId, sleInt32, VER(31)),
+		MKLINE(Track, volGroupId, sleInt32, VER(31)),
+		MKLINE(Track, soundType, sleInt32, VER(31)),
+		MKLINE(Track, iteration, sleInt32, VER(31)),
+		MKLINE(Track, mod, sleInt32, VER(31)),
+		MKLINE(Track, mixerFlags, sleInt32, VER(31)),
+		MK_OBSOLETE(Track, mixerVol, sleInt32, VER(31), VER(42)),
+		MK_OBSOLETE(Track, mixerPan, sleInt32, VER(31), VER(42)),
+		MKLINE(Track, compressed, sleByte, VER(45)),
+		MKEND()
+	};
+
+	ser->saveLoadEntries(this, mainEntries);
+
+	for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
+		Track *track = _track[l];
+		if (!ser->isSaving()) {
+			track->compressed = false;
+		}
+		ser->saveLoadEntries(track, trackEntries);
+		if (!ser->isSaving()) {
+			if (!track->used)
+				continue;
+			track->readyToRemove = false;
+			if ((track->toBeRemoved) || (track->souStream) || (track->curRegion == -1)) {
+				track->stream2 = NULL;
+				track->stream = NULL;
+				track->used = false;
+				continue;
+			}
+
+			track->soundHandle = _sound->openSound(track->soundId,
+									track->soundName, track->soundType,
+									track->volGroupId, -1);
+			if (!track->soundHandle) {
+				warning("IMuseDigital::saveOrLoad: Can't open sound so will not be resumed, propably on diffrent CD");
+				track->stream2 = NULL;
+				track->stream = NULL;
+				track->used = false;
+				continue;
+			}
+
+			if (track->compressed) {
+				track->regionOffset = 0;
+			}
+			track->compressed = _sound->isCompressed(track->soundHandle);
+			if (track->compressed) {
+				track->regionOffset = 0;
+			}
+			track->dataOffset = _sound->getRegionOffset(track->soundHandle, track->curRegion);
+			int bits = _sound->getBits(track->soundHandle);
+			int channels = _sound->getChannels(track->soundHandle);
+			int freq = _sound->getFreq(track->soundHandle);
+			track->iteration = freq * channels;
+			track->mixerFlags = 0;
+			if (channels == 2)
+				track->mixerFlags = Audio::Mixer::FLAG_STEREO | Audio::Mixer::FLAG_REVERSE_STEREO;
+
+			if ((bits == 12) || (bits == 16)) {
+				track->mixerFlags |= Audio::Mixer::FLAG_16BITS;
+				track->iteration *= 2;
+			} else if (bits == 8) {
+				track->mixerFlags |= Audio::Mixer::FLAG_UNSIGNED;
+			} else
+				error("IMuseDigital::saveOrLoad(): Can't handle %d bit samples", bits);
+
+#ifdef SCUMM_LITTLE_ENDIAN
+			if (track->compressed)
+				track->mixerFlags |= Audio::Mixer::FLAG_LITTLE_ENDIAN;
+#endif
+
+			int32 streamBufferSize = track->iteration;
+			track->stream2 = NULL;
+			track->stream = makeAppendableAudioStream(freq, track->mixerFlags, streamBufferSize);
+
+			const int pan = (track->pan != 64) ? 2 * track->pan - 127 : 0;
+			const int vol = track->vol / 1000;
+			Audio::Mixer::SoundType type = Audio::Mixer::kPlainSoundType;
+
+			if (track->volGroupId == 1)
+				type = Audio::Mixer::kSpeechSoundType;
+			if (track->volGroupId == 2)
+				type = Audio::Mixer::kSFXSoundType;
+			if (track->volGroupId == 3)
+				type = Audio::Mixer::kMusicSoundType;
+
+			_vm->_mixer->playInputStream(type, &track->handle, track->stream, -1, vol, pan, false);
+		}
+	}
+}
+
+void IMuseDigital::callback() {
+	Common::StackLock lock(_mutex, "IMuseDigital::callback()");
+
+	for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
+		Track *track = _track[l];
+		if (track->used && !track->readyToRemove) {
+			if (track->toBeRemoved) {
+				track->readyToRemove = true;
+				continue;
+			}
+
+			if (_pause || !_vm)
+				return;
+
+			if (track->volFadeUsed) {
+				if (track->volFadeStep < 0) {
+					if (track->vol > track->volFadeDest) {
+						track->vol += track->volFadeStep;
+						if (track->vol < track->volFadeDest) {
+							track->vol = track->volFadeDest;
+							track->volFadeUsed = false;
+						}
+						if (track->vol == 0) {
+							track->toBeRemoved = true;
+						}
+					}
+				} else if (track->volFadeStep > 0) {
+					if (track->vol < track->volFadeDest) {
+						track->vol += track->volFadeStep;
+						if (track->vol > track->volFadeDest) {
+							track->vol = track->volFadeDest;
+							track->volFadeUsed = false;
+						}
+					}
+				}
+				debug(5, "Fade: sound(%d), Vol(%d)", track->soundId, track->vol / 1000);
+			}
+
+			const int pan = (track->pan != 64) ? 2 * track->pan - 127 : 0;
+			const int vol = track->vol / 1000;
+			Audio::Mixer::SoundType type = Audio::Mixer::kPlainSoundType;
+
+			if (track->volGroupId == 1)
+				type = Audio::Mixer::kSpeechSoundType;
+			if (track->volGroupId == 2)
+				type = Audio::Mixer::kSFXSoundType;
+			if (track->volGroupId == 3)
+				type = Audio::Mixer::kMusicSoundType;
+
+			if (track->stream) {
+				byte *data = NULL;
+				int32 result = 0;
+
+				if (track->curRegion == -1) {
+					switchToNextRegion(track);
+					if (track->toBeRemoved)
+						continue;
+				}
+
+				int bits = _sound->getBits(track->soundHandle);
+				int channels = _sound->getChannels(track->soundHandle);
+
+				int32 mixer_size = track->iteration / _callbackFps;
+
+				if (track->stream->endOfData()) {
+					mixer_size *= 2;
+				}
+
+				if ((bits == 12) || (bits == 16)) {
+					if (channels == 1)
+						mixer_size &= ~1;
+					if (channels == 2)
+						mixer_size &= ~3;
+				} else {
+					if (channels == 2)
+						mixer_size &= ~1;
+				}
+
+				if (mixer_size == 0)
+					continue;
+
+				do {
+					if (bits == 12) {
+						byte *ptr = NULL;
+
+						mixer_size += track->mod;
+						int mixer_size_12 = (mixer_size * 3) / 4;
+						int length = (mixer_size_12 / 3) * 4;
+						track->mod = mixer_size - length;
+
+						int32 offset = (track->regionOffset * 3) / 4;
+						int result2 = _sound->getDataFromRegion(track->soundHandle, track->curRegion, &ptr, offset, mixer_size_12);
+						result = BundleCodecs::decode12BitsSample(ptr, &data, result2);
+
+						free(ptr);
+					} else if (bits == 16) {
+						result = _sound->getDataFromRegion(track->soundHandle, track->curRegion, &data, track->regionOffset, mixer_size);
+						if (channels == 1) {
+							result &= ~1;
+						}
+						if (channels == 2) {
+							result &= ~3;
+						}
+					} else if (bits == 8) {
+						result = _sound->getDataFromRegion(track->soundHandle, track->curRegion, &data, track->regionOffset, mixer_size);
+						if (channels == 2) {
+							result &= ~1;
+						}
+					}
+
+					if (result > mixer_size)
+						result = mixer_size;
+
+					if (_vm->_mixer->isReady()) {
+						_vm->_mixer->setChannelVolume(track->handle, vol);
+						_vm->_mixer->setChannelBalance(track->handle, pan);
+						track->stream->append(data, result);
+						track->regionOffset += result;
+					}
+					free(data);
+
+					if (_sound->isEndOfRegion(track->soundHandle, track->curRegion)) {
+						switchToNextRegion(track);
+						if (track->toBeRemoved)
+							break;
+					}
+					mixer_size -= result;
+					assert(mixer_size >= 0);
+				} while (mixer_size != 0);
+			} else if (track->stream2) {
+				if (_vm->_mixer->isReady()) {
+					if (!track->started) {
+						track->started = true;
+						_vm->_mixer->playInputStream(type, &track->handle, track->stream2, -1, vol, pan, false);
+					} else {
+						_vm->_mixer->setChannelVolume(track->handle, vol);
+						_vm->_mixer->setChannelBalance(track->handle, pan);
+					}
+				}
+			}
+		}
+	}
+}
+
+void IMuseDigital::switchToNextRegion(Track *track) {
+	assert(track);
+	debug(5, "switchToNextRegion(track:%d)", track->trackId);
+
+	if (track->trackId >= MAX_DIGITAL_TRACKS) {
+		track->toBeRemoved = true;
+		debug(5, "exit (fadetrack can't go next region) switchToNextRegion(trackId:%d)", track->trackId);
+		return;
+	}
+
+	int num_regions = _sound->getNumRegions(track->soundHandle);
+
+	if (++track->curRegion == num_regions) {
+		track->toBeRemoved = true;
+		debug(5, "exit (end of regions) switchToNextRegion(track:%d)", track->trackId);
+		return;
+	}
+
+	ImuseDigiSndMgr::soundStruct *soundHandle = track->soundHandle;
+	int jumpId = _sound->getJumpIdByRegionAndHookId(soundHandle, track->curRegion, track->curHookId);
+	if (jumpId == -1)
+		jumpId = _sound->getJumpIdByRegionAndHookId(soundHandle, track->curRegion, 0);
+	if (jumpId != -1) {
+		int region = _sound->getRegionIdByJumpId(soundHandle, jumpId);
+		assert(region != -1);
+		int sampleHookId = _sound->getJumpHookId(soundHandle, jumpId);
+		assert(sampleHookId != -1);
+		int fadeDelay = (60 * _sound->getJumpFade(soundHandle, jumpId)) / 1000;
+		if (sampleHookId != 0) {
+			if (track->curHookId == sampleHookId) {
+				if (fadeDelay != 0) {
+					Track *fadeTrack = cloneToFadeOutTrack(track, fadeDelay);
+					if (fadeTrack) {
+						fadeTrack->dataOffset = _sound->getRegionOffset(fadeTrack->soundHandle, fadeTrack->curRegion);
+						fadeTrack->regionOffset = 0;
+						debug(5, "switchToNextRegion-sound(%d) select region %d, curHookId: %d", fadeTrack->soundId, fadeTrack->curRegion, fadeTrack->curHookId);
+						fadeTrack->curHookId = 0;
+					}
+				}
+				track->curRegion = region;
+				debug(5, "switchToNextRegion-sound(%d) jump to region %d, curHookId: %d", track->soundId, track->curRegion, track->curHookId);
+				track->curHookId = 0;
+			}
+		} else {
+			if (fadeDelay != 0) {
+				Track *fadeTrack = cloneToFadeOutTrack(track, fadeDelay);
+				if (fadeTrack) {
+					fadeTrack->dataOffset = _sound->getRegionOffset(fadeTrack->soundHandle, fadeTrack->curRegion);
+					fadeTrack->regionOffset = 0;
+					debug(5, "switchToNextRegion-sound(%d) select region %d, curHookId: %d", fadeTrack->soundId, fadeTrack->curRegion, fadeTrack->curHookId);
+				}
+			}
+			track->curRegion = region;
+			debug(5, "switchToNextRegion-sound(%d) jump to region %d, curHookId: %d", track->soundId, track->curRegion, track->curHookId);
+		}
+	}
+
+	debug(5, "switchToNextRegion-sound(%d) select region %d, curHookId: %d", track->soundId, track->curRegion, track->curHookId);
+	track->dataOffset = _sound->getRegionOffset(soundHandle, track->curRegion);
+	track->regionOffset = 0;
+}
+
+} // End of namespace Scumm