PRINCE: voice sample handling moved to prince module

scummvm · Nov 5, 2013 · 2b5b0b9 · 2b5b0b9
1 parent d6a76d9
commit 2b5b0b9
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Showing 4 changed files with 68 additions and 46 deletions.
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
@@ -73,7 +73,7 @@ PrinceEngine::PrinceEngine(OSystem *syst, const PrinceGameDescription *gameDesc)
 	Engine(syst), _gameDescription(gameDesc), _graph(NULL), _script(NULL),
 	_locationNr(0), _debugger(NULL), _objectList(NULL), _mobList(NULL), _midiPlayer(NULL),
 	_cameraX(0), _newCameraX(0), _frameNr(0), _cursor1(NULL), _cursor2(NULL), _font(NULL),
-	_walizkaBmp(NULL), _roomBmp(NULL) {
+	_walizkaBmp(NULL), _roomBmp(NULL), _voiceStream(NULL) {
 
 	// Debug/console setup
 	DebugMan.addDebugChannel(DebugChannel::kScript, "script", "Prince Script debug channel");
@@ -304,6 +304,55 @@ bool PrinceEngine::playNextFrame() {
 	return true;
 }
 
+void PrinceEngine::playSample(uint16 sampleId, uint16 loopType) {
+	if (_voiceStream) {
+
+		Audio::RewindableAudioStream *audioStream = Audio::makeWAVStream(_voiceStream, DisposeAfterUse::YES);
+		_mixer->playStream(Audio::Mixer::kSFXSoundType, &_soundHandle, audioStream, sampleId);
+	}
+}
+
+void PrinceEngine::stopSample(uint16 sampleId) {
+	_mixer->stopID(sampleId);
+	_voiceStream = NULL;
+}
+
+bool PrinceEngine::loadVoice(uint32 slot, const Common::String &streamName) {
+	debugEngine("Loading wav %s slot %d", streamName.c_str(), slot);
+
+	_voiceStream = SearchMan.createReadStreamForMember(streamName);
+	if (!_voiceStream) {
+		error("Can't open %s", streamName.c_str());
+		return false;
+	}
+
+	uint32 id = _voiceStream->readUint32LE();
+	if (id != 0x46464952) {
+		error("It's not RIFF file %s", streamName.c_str());
+		return false;
+	}
+
+	_voiceStream->skip(0x20);
+	id = _voiceStream->readUint32LE();
+	if (id != 0x61746164) {
+		error("No data section in %s id %04x", streamName.c_str(), id);
+		return false;
+	}
+
+	id = _voiceStream->readUint32LE();
+	debugEngine("SetVoice slot %d time %04x", slot, id); 
+	id <<= 3;
+	id /= 22050;
+	id += 2;
+
+	_textSlots[slot]._time = id;
+
+	debugEngine("SetVoice slot %d time %04x", slot, id); 
+	_voiceStream->seek(0);
+
+	return true;
+}
+
 bool PrinceEngine::loadAnim(uint16 animNr, bool loop) {
 	Common::String streamName = Common::String::format("AN%02d", animNr);
 	Common::SeekableReadStream * flicStream = SearchMan.createReadStreamForMember(streamName);

diff --git a/engines/prince/prince.h b/engines/prince/prince.h
@@ -101,6 +101,10 @@ class PrinceEngine : public Engine {
 
 	bool loadLocation(uint16 locationNr);
 	bool loadAnim(uint16 animNr, bool loop);
+	bool loadVoice(uint32 slot, const Common::String &name);
+
+	void playSample(uint16 sampleId, uint16 loopType);
+	void stopSample(uint16 sampleId);
 
 	virtual GUI::Debugger *getDebugger();
 
@@ -139,6 +143,9 @@ class PrinceEngine : public Engine {
 	MobList *_mobList;
 	MusicPlayer *_midiPlayer;
 
+	Audio::SoundHandle _soundHandle;
+	Common::SeekableReadStream *_voiceStream;
+
 	uint16 _cameraX;
 	uint16 _newCameraX;
 	uint16 _sceneWidth;

diff --git a/engines/prince/script.cpp b/engines/prince/script.cpp
@@ -40,7 +40,7 @@ static const uint16 NUM_OPCODES = 144;
 
 Script::Script(PrinceEngine *vm) : 
 	_code(NULL), _stacktop(0), _vm(vm), _opcodeNF(false),
-	_waitFlag(0), _voiceStream(NULL), _result(true) {
+	_waitFlag(0), _result(true) {
 }
 
 Script::~Script() {
@@ -200,12 +200,7 @@ void Script::O_PLAYSAMPLE() {
 	uint16 sampleId = readScript16bits();
 	uint16 loopType = readScript16bits();
 	debugScript("O_PLAYSAMPLE sampleId %d loopType %d", sampleId, loopType);
-
-	if (_voiceStream) {
-
-		Audio::RewindableAudioStream *audioStream = Audio::makeWAVStream(_voiceStream, DisposeAfterUse::YES);
-		_vm->_mixer->playStream(Audio::Mixer::kSFXSoundType, &_soundHandle, audioStream, sampleId);
-	}
+	_vm->playSample(sampleId, loopType);
 }
 
 void Script::O_PUTOBJECT() {
@@ -875,9 +870,7 @@ void Script::O_SHOWDIALOGBOX() {
 void Script::O_STOPSAMPLE() {
 	uint16 slot = readScript16bits();
 	debugScript("O_STOPSAMPLE slot %d", slot);
-
-	_vm->_mixer->stopID(slot);
-	_voiceStream = NULL;
+	_vm->stopSample(slot);
 }
 
 void Script::O_BACKANIMRANGE() {
@@ -1065,39 +1058,14 @@ void Script::O_SKIPTEXT() {
 }
 
 void Script::SetVoice(uint32 slot) {
-
-	const uint16 VOICE_H_LINE = getFlagValue(Flags::VOICE_H_LINE);
-
-	const Common::String streamName = Common::String::format("%03d-%02d.WAV", _currentString, VOICE_H_LINE);
-	debugScript("Loading wav %s slot %d", streamName.c_str(), slot);
-
-	_voiceStream = SearchMan.createReadStreamForMember(streamName);
-	if (!_voiceStream) {
-		error("Can't open %s", streamName.c_str());
-	}
-	uint32 id = _voiceStream->readUint32LE();
-	if (id != 0x46464952) {
-		error("It's not RIFF file %s", streamName.c_str());
-		return;
-	}
-
-	_voiceStream->skip(0x20);
-	id = _voiceStream->readUint32LE();
-	if (id != 0x61746164) {
-		error("No data section in %s id %04x", streamName.c_str(), id);
-		return;
-	}
-
-	id = _voiceStream->readUint32LE();
-	debugScript("SetVoice slot %d time %04x", slot, id); 
-	id <<= 3;
-	id /= 22050;
-	id += 2;
-
-	_vm->_textSlots[slot]._time = id;
-
-	debugScript("SetVoice slot %d time %04x", slot, id); 
-	_voiceStream->seek(0);
+	_vm->loadVoice(
+		slot,
+		Common::String::format(
+			"%03d-%02d.WAV", 
+			_currentString, 
+			getFlagValue(Flags::VOICE_H_LINE)
+		)
+	);
 }
 
 void Script::O_SETVOICEH() {

diff --git a/engines/prince/script.h b/engines/prince/script.h
@@ -74,11 +74,9 @@ class Script {
 	uint8 _stacktop;
 	uint8 _savedStacktop;
 	uint32 _waitFlag;
-	Audio::SoundHandle _soundHandle;
 
 	const byte *_string;
 	uint32 _currentString;
-	Common::SeekableReadStream *_voiceStream;
 	const char *_mode;
 
 	// Helper functions