Background "music" for Urban Runner, though only 8bit for now

svn-id: r35352

4 files changed, 65 insertions, 23 deletions

diff --git a/engines/gob/sound/sound.cpp b/engines/gob/sound/sound.cpp
index 84f47990ec..5acc255275 100644
--- a/engines/gob/sound/sound.cpp
+++ b/engines/gob/sound/sound.cpp
@@ -50,6 +50,8 @@ Sound::Sound(GobEngine *vm) : _vm(vm) {
 		_cdrom = new CDROM;
 	if (_vm->getGameType() == kGameTypeWoodruff)
 		_bgatmos = new BackgroundAtmosphere(*_vm->_mixer);
+	if (_vm->getGameType() == kGameTypeUrban)
+		_bgatmos = new BackgroundAtmosphere(*_vm->_mixer);
 }
 
 Sound::~Sound() {
@@ -91,7 +93,7 @@ int Sound::sampleGetNextFreeSlot() const {
 	return -1;
 }
 
-bool Sound::sampleLoad(SoundDesc *sndDesc, const char *fileName, bool tryExist) {
+bool Sound::sampleLoad(SoundDesc *sndDesc, SoundType type, const char *fileName, bool tryExist) {
 	if (!sndDesc)
 		return false;
 
@@ -113,9 +115,7 @@ bool Sound::sampleLoad(SoundDesc *sndDesc, const char *fileName, bool tryExist)
 		return false;
 
 	size = _vm->_dataIO->getDataSize(fileName);
-	sndDesc->load(SOUND_SND, SOUND_FILE, data, size);
-
-	return true;
+	return sndDesc->load(type, SOUND_FILE, data, size);
 }
 
 void Sound::sampleFree(SoundDesc *sndDesc, bool noteAdlib, int index) {
@@ -520,7 +520,7 @@ void Sound::cdTest(int trySubst, const char *label) {
 	_cdrom->testCD(trySubst, label);
 }
 
-void Sound::bgPlay(const char *file) {
+void Sound::bgPlay(const char *file, SoundType type) {
 	if (!_bgatmos)
 		return;
 
@@ -530,7 +530,7 @@ void Sound::bgPlay(const char *file) {
 	_bgatmos->queueClear();
 
 	SoundDesc *sndDesc = new SoundDesc;
-	if (!sampleLoad(sndDesc, file)) {
+	if (!sampleLoad(sndDesc, type, file)) {
 		delete sndDesc;
 		return;
 	}
@@ -539,7 +539,7 @@ void Sound::bgPlay(const char *file) {
 	_bgatmos->play();
 }
 
-void Sound::bgPlay(const char *base, int count) {
+void Sound::bgPlay(const char *base, const char *ext, SoundType type, int count) {
 	if (!_bgatmos)
 		return;
 
@@ -553,10 +553,10 @@ void Sound::bgPlay(const char *base, int count) {
 	SoundDesc *sndDesc;
 
 	for (int i = 1; i <= count; i++) {
-		snprintf(fileName, length, "%s%02d.SND", base, i);
+		snprintf(fileName, length, "%s%02d.%s", base, i, ext);
 
 		sndDesc = new SoundDesc;
-		if (sampleLoad(sndDesc, fileName))
+		if (sampleLoad(sndDesc, type, fileName))
 			_bgatmos->queueSample(*sndDesc);
 		else
 			delete sndDesc;
diff --git a/engines/gob/sound/sound.h b/engines/gob/sound/sound.h
index 641df6eb51..6fde4660aa 100644
--- a/engines/gob/sound/sound.h
+++ b/engines/gob/sound/sound.h
@@ -50,7 +50,7 @@ public:
 	const SoundDesc *sampleGetBySlot(int slot) const;
 	int sampleGetNextFreeSlot() const;
 
-	bool sampleLoad(SoundDesc *sndDesc, const char *fileName, bool tryExist = true);
+	bool sampleLoad(SoundDesc *sndDesc, SoundType type, const char *fileName, bool tryExist = true);
 	void sampleFree(SoundDesc *sndDesc, bool noteAdlib = false, int index = -1);
 
 
@@ -121,8 +121,8 @@ public:
 
 
 	// Background Atmosphere
-	void bgPlay(const char *file);
-	void bgPlay(const char *base, int count);
+	void bgPlay(const char *file, SoundType type);
+	void bgPlay(const char *base, const char *ext, SoundType type, int count);
 	void bgStop();
 
 	void bgSetPlayMode(BackgroundAtmosphere::PlayMode mode);
diff --git a/engines/gob/sound/sounddesc.cpp b/engines/gob/sound/sounddesc.cpp
index e0885d9faa..ee3125728b 100644
--- a/engines/gob/sound/sounddesc.cpp
+++ b/engines/gob/sound/sounddesc.cpp
@@ -24,6 +24,9 @@
  */
 
 #include "common/util.h"
+#include "common/stream.h"
+#include "sound/mixer.h"
+#include "sound/wave.h"
 
 #include "gob/sound/sounddesc.h"
 
@@ -57,7 +60,7 @@ void SoundDesc::set(SoundType type, SoundSource src,
 	_size = dSize;
 }
 
-void SoundDesc::load(SoundType type, SoundSource src,
+bool SoundDesc::load(SoundType type, SoundSource src,
 		byte *data, uint32 dSize) {
 
 	free();
@@ -65,12 +68,14 @@ void SoundDesc::load(SoundType type, SoundSource src,
 	_source = src;
 	switch (type) {
 	case SOUND_ADL:
-		loadADL(data, dSize);
-		break;
+		return loadADL(data, dSize);
 	case SOUND_SND:
-		loadSND(data, dSize);
-		break;
+		return loadSND(data, dSize);
+	case SOUND_WAV:
+		return loadWAV(data, dSize);
 	}
+
+	return false;
 }
 
 void SoundDesc::free() {
@@ -81,7 +86,7 @@ void SoundDesc::free() {
 }
 
 void SoundDesc::convToSigned() {
-	if ((_type == SOUND_SND) && _data && _dataPtr)
+	if (((_type == SOUND_SND) || (_type == SOUND_WAV)) && _data && _dataPtr)
 		for (uint32 i = 0; i < _size; i++)
 			_dataPtr[i] ^= 0x80;
 }
@@ -95,7 +100,7 @@ uint32 SoundDesc::calcLength(int16 repCount, int16 frequency, bool fade) {
 	return ((_size * repCount - fadeSize) * 1000) / frequency;
 }
 
-void SoundDesc::loadSND(byte *data, uint32 dSize) {
+bool SoundDesc::loadSND(byte *data, uint32 dSize) {
 	assert(dSize > 6);
 
 	_type = SOUND_SND;
@@ -105,12 +110,47 @@ void SoundDesc::loadSND(byte *data, uint32 dSize) {
 	_flag = data[0] ? (data[0] & 0x7F) : 8;
 	data[0] = 0;
 	_size = MIN(READ_BE_UINT32(data), dSize - 6);
+
+	return true;
 }
 
-void SoundDesc::loadADL(byte *data, uint32 dSize) {
+bool SoundDesc::loadWAV(byte *data, uint32 dSize) {
+	Common::MemoryReadStream stream(data, dSize);
+
+	int wavSize, wavRate;
+	byte wavFlags;
+	uint16 wavtype;
+
+	if (!Audio::loadWAVFromStream(stream, wavSize, wavRate, wavFlags, &wavtype, 0))
+		return false;
+
+	if (wavFlags & Audio::Mixer::FLAG_16BITS) {
+		warning("TODO: SoundDesc::loadWAV() - 16bit");
+		return false;
+	}
+
+	if (wavFlags & Audio::Mixer::FLAG_STEREO) {
+		warning("TODO: SoundDesc::loadWAV() - stereo");
+		return false;
+	}
+
+	_data = data;
+	_dataPtr = data + stream.pos();
+	_size = wavSize;
+	_frequency = wavRate;
+
+	if (wavFlags & Audio::Mixer::FLAG_UNSIGNED)
+		convToSigned();
+
+	return true;
+}
+
+bool SoundDesc::loadADL(byte *data, uint32 dSize) {
 	_type = SOUND_ADL;
 	_data = _dataPtr = data;
 	_size = dSize;
+
+	return true;
 }
 
 } // End of namespace Gob
diff --git a/engines/gob/sound/sounddesc.h b/engines/gob/sound/sounddesc.h
index ed4447254c..fe1da14760 100644
--- a/engines/gob/sound/sounddesc.h
+++ b/engines/gob/sound/sounddesc.h
@@ -32,6 +32,7 @@ namespace Gob {
 
 enum SoundType {
 	SOUND_SND,
+	SOUND_WAV,
 	SOUND_ADL
 };
 
@@ -57,7 +58,7 @@ public:
 	bool isId(int16 id) const { return _dataPtr && (_id == id); }
 
 	void set(SoundType type, SoundSource src, byte *data, uint32 dSize);
-	void load(SoundType type, SoundSource src, byte *data, uint32 dSize);
+	bool load(SoundType type, SoundSource src, byte *data, uint32 dSize);
 	void free();
 	void convToSigned();
 
@@ -76,8 +77,9 @@ private:
 	SoundType _type;
 	SoundSource _source;
 
-	void loadSND(byte *data, uint32 dSize);
-	void loadADL(byte *data, uint32 dSize);
+	bool loadSND(byte *data, uint32 dSize);
+	bool loadWAV(byte *data, uint32 dSize);
+	bool loadADL(byte *data, uint32 dSize);
 };
 
 } // End of namespace Gob