Merge pull request #129 from fingolfin/dreamweb-sound

DREAMWEB: Move sound related code to a new source file
scummvm · Dec 8, 2011 · 02fed99 · 02fed99
2 parents 7d3c622 + 45a99e7
commit 02fed99
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Showing 6 changed files with 313 additions and 275 deletions.
diff --git a/engines/dreamweb/dreambase.h b/engines/dreamweb/dreambase.h
@@ -69,13 +69,18 @@ class DreamBase {
 	uint8 getNumber(const Frame *charSet, const uint8 *string, uint16 maxWidth, bool centered, uint16 *offset);
 	uint8 kernChars(uint8 firstChar, uint8 secondChar, uint8 width);
 
+	// from sound.cpp
+	void volumeAdjust();
+	void cancelCh0();
+	void cancelCh1();
+	void loadRoomsSample();
+
 	// from stubs.cpp
 	void crosshair();
 	void showBlink();
 	void dumpBlink();
 	void dumpPointer();
 	void showRyanPage();
-	void volumeAdjust();
 
 	// from vgagrafx.cpp
 	uint8 _workspace[(0x1000 + 2) * 16];

diff --git a/engines/dreamweb/dreamweb.cpp b/engines/dreamweb/dreamweb.cpp
@@ -30,9 +30,6 @@
 #include "common/timer.h"
 #include "common/util.h"
 
-#include "audio/mixer.h"
-#include "audio/decoders/raw.h"
-
 #include "graphics/palette.h"
 #include "graphics/surface.h"
 
@@ -377,170 +374,6 @@ void DreamWebEngine::cls() {
 	_system->fillScreen(0);
 }
 
-void DreamWebEngine::playSound(uint8 channel, uint8 id, uint8 loops) {
-	debug(1, "playSound(%u, %u, %u)", channel, id, loops);
-
-	int bank = 0;
-	bool speech = false;
-	Audio::Mixer::SoundType type = channel == 0?
-		Audio::Mixer::kMusicSoundType: Audio::Mixer::kSFXSoundType;
-
-	if (id >= 12) {
-		id -= 12;
-		bank = 1;
-		if (id == 50) {
-			speech = true;
-			type = Audio::Mixer::kSpeechSoundType;
-		}
-	}
-	const SoundData &data = _soundData[bank];
-
-	Audio::SeekableAudioStream *raw;
-	if (!speech) {
-		if (id >= data.samples.size() || data.samples[id].size == 0) {
-			warning("invalid sample #%u played", id);
-			return;
-		}
-
-		const Sample &sample = data.samples[id];
-		uint8 *buffer = (uint8 *)malloc(sample.size);
-		if (!buffer)
-			error("out of memory: cannot allocate memory for sound(%u bytes)", sample.size);
-		memcpy(buffer, data.data.begin() + sample.offset, sample.size);
-
-		raw = Audio::makeRawStream(
-			buffer,
-			sample.size, 22050, Audio::FLAG_UNSIGNED);
-	} else {
-		uint8 *buffer = (uint8 *)malloc(_speechData.size());
-		if (!buffer)
-			error("out of memory: cannot allocate memory for sound(%u bytes)", _speechData.size());
-		memcpy(buffer, _speechData.begin(), _speechData.size());
-		raw = Audio::makeRawStream(
-			buffer,
-			_speechData.size(), 22050, Audio::FLAG_UNSIGNED);
-
-	}
-
-	Audio::AudioStream *stream;
-	if (loops > 1) {
-		stream = new Audio::LoopingAudioStream(raw, loops < 255? loops: 0);
-	} else
-		stream = raw;
-
-	if (_mixer->isSoundHandleActive(_channelHandle[channel]))
-		_mixer->stopHandle(_channelHandle[channel]);
-	_mixer->playStream(type, &_channelHandle[channel], stream);
-}
-
-void DreamWebEngine::stopSound(uint8 channel) {
-	debug(1, "stopSound(%u)", channel);
-	assert(channel == 0 || channel == 1);
-	_mixer->stopHandle(_channelHandle[channel]);
-	if (channel == 0)
-		_channel0 = 0;
-	else
-		_channel1 = 0;
-}
-
-bool DreamWebEngine::loadSpeech(const Common::String &filename) {
-	if (ConfMan.getBool("speech_mute"))
-		return false;
-
-	Common::File file;
-	if (!file.open("speech/" + filename))
-		return false;
-
-	debug(1, "loadSpeech(%s)", filename.c_str());
-
-	uint size = file.size();
-	_speechData.resize(size);
-	file.read(_speechData.begin(), size);
-	file.close();
-	return true;
-}
-
-void DreamWebEngine::soundHandler() {
-	_base.data.byte(DreamGen::kSubtitles) = ConfMan.getBool("subtitles");
-	_base.volumeAdjust();
-
-	uint volume = _base.data.byte(DreamGen::kVolume);
-	//.vol file loaded into soundbuf:0x4000
-	//volume table at (volume * 0x100 + 0x3f00)
-	//volume value could be from 1 to 7
-	//1 - 0x10-0xff
-	//2 - 0x1f-0xdf
-	//3 - 0x2f-0xd0
-	//4 - 0x3e-0xc1
-	//5 - 0x4d-0xb2
-	//6 - 0x5d-0xa2
-	//7 - 0x6f-0x91
-	if (volume >= 8)
-		volume = 7;
-	volume = (8 - volume) * Audio::Mixer::kMaxChannelVolume / 8;
-	_mixer->setChannelVolume(_channelHandle[0], volume);
-
-	uint8 ch0 = _base.data.byte(DreamGen::kCh0playing);
-	if (ch0 == 255)
-		ch0 = 0;
-	uint8 ch1 = _base.data.byte(DreamGen::kCh1playing);
-	if (ch1 == 255)
-		ch1 = 0;
-	uint8 ch0loop = _base.data.byte(DreamGen::kCh0repeat);
-
-	if (_channel0 != ch0) {
-		_channel0 = ch0;
-		if (ch0) {
-			playSound(0, ch0, ch0loop);
-		}
-	}
-	if (_channel1 != ch1) {
-		_channel1 = ch1;
-		if (ch1) {
-			playSound(1, ch1, 1);
-		}
-	}
-	if (!_mixer->isSoundHandleActive(_channelHandle[0])) {
-		_base.data.byte(DreamGen::kCh0playing) = 255;
-		_channel0 = 0;
-	}
-	if (!_mixer->isSoundHandleActive(_channelHandle[1])) {
-		_base.data.byte(DreamGen::kCh1playing) = 255;
-		_channel1 = 0;
-	}
-
-}
-
-void DreamWebEngine::loadSounds(uint bank, const Common::String &filename) {
-	debug(1, "loadSounds(%u, %s)", bank, filename.c_str());
-	Common::File file;
-	if (!file.open(filename)) {
-		warning("cannot open %s", filename.c_str());
-		return;
-	}
-
-	uint8 header[0x60];
-	file.read(header, sizeof(header));
-	uint tablesize = READ_LE_UINT16(header + 0x32);
-	debug(1, "table size = %u", tablesize);
-
-	SoundData &soundData = _soundData[bank];
-	soundData.samples.resize(tablesize / 6);
-	uint total = 0;
-	for(uint i = 0; i < tablesize / 6; ++i) {
-		uint8 entry[6];
-		Sample &sample = soundData.samples[i];
-		file.read(entry, sizeof(entry));
-		sample.offset = entry[0] * 0x4000 + READ_LE_UINT16(entry + 1);
-		sample.size = READ_LE_UINT16(entry + 3) * 0x800;
-		total += sample.size;
-		debug(1, "offset: %08x, size: %u", sample.offset, sample.size);
-	}
-	soundData.data.resize(total);
-	file.read(soundData.data.begin(), total);
-	file.close();
-}
-
 uint8 DreamWebEngine::modifyChar(uint8 c) const {
 	if (c < 128)
 		return c;

diff --git a/engines/dreamweb/module.mk b/engines/dreamweb/module.mk
@@ -13,6 +13,7 @@ MODULE_OBJS := \
 	people.o \
 	print.o \
 	saveload.o \
+	sound.o \
 	sprite.o \
 	stubs.o \
 	talk.o \