renamed simonsound on Fingolfin's request

svn-id: r5753

2 files changed, 431 insertions, 0 deletions

diff --git a/simon/sound.cpp b/simon/sound.cpp
new file mode 100644
index 0000000000..854bed564f
--- /dev/null
+++ b/simon/sound.cpp
@@ -0,0 +1,346 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+
+#include "simon/simonsound.h"
+#include "common/file.h"
+#include "common/engine.h"
+
+SimonSound::SimonSound(const byte game, const GameSpecificSettings *gss, const char *gameDataPath, SoundMixer *mixer)
+{
+	_game = game;
+	_mixer = mixer;
+	
+	_effects_paused = false;
+	_ambient_paused = false;
+
+	_voice_handle = 0;
+	_effects_handle = 0;
+	_ambient_handle = 0;
+
+	_ambient_playing = 0;
+
+	File *file = new File();
+	File *file2 = new File();
+	const char *s;
+
+#ifdef USE_MAD
+	file->open(gss->mp3_filename, gameDataPath);
+	if (file->isOpen() == false) {
+#endif
+		if (_game & GAME_WIN) {
+			s = gss->wav_filename;
+			file->open(s, gameDataPath);
+			if (file->isOpen() == false) {
+				warning("Cannot open voice file %s", s);
+			} else	{
+				_voice = new WavSound(_mixer, file);
+			}
+		} else if (_game & GAME_TALKIE) {
+			s = gss->voc_filename;
+			file->open(s, gameDataPath);
+			if (file->isOpen() == false) {
+				warning("Cannot open voice file %s", s);
+			} else {
+				_voice = new VocSound(_mixer, file);
+			}
+		}
+#ifdef USE_MAD
+	} else {
+		_voice = new MP3Sound(_mixer, file);
+	}
+#endif
+
+	if (_game == GAME_SIMON1TALKIE) {
+#ifdef USE_MAD
+		file2->open(gss->mp3_effects_filename, gameDataPath);
+		if (file2->isOpen() == false) {
+#endif
+			s = gss->voc_effects_filename;
+			file2->open(s, gameDataPath);
+			if (file2->isOpen() == false) {
+				warning("Cannot open effects file %s", s);
+			} else {
+				_effects = new VocSound(_mixer, file2);
+			}
+#ifdef USE_MAD
+		} else {
+			_effects = new MP3Sound(_mixer, file2);
+		}
+#endif
+	}
+}
+
+void SimonSound::readSfxFile(const char *filename, const char *gameDataPath)
+{
+	stopAll();
+
+	File *file = new File();
+	file->open(filename, gameDataPath);
+
+	if (file->isOpen() == false) {
+		warning("readSfxFile: Cannot load sfx file %s", filename);
+		return;
+	}
+
+	_effects = new WavSound(_mixer, file);
+}
+
+void SimonSound::loadSfxTable(File *gameFile, uint32 base) 
+{
+	stopAll();
+
+	if (_game & GAME_WIN)
+		_effects = new WavSound(_mixer, gameFile, base);
+	else
+		_effects = new VocSound(_mixer, gameFile, base);
+}
+
+void SimonSound::playVoice(uint sound)
+{
+	if (!_voice)
+		return;
+	
+	_voice->playSound(sound, &_voice_handle);
+}
+
+void SimonSound::playEffects(uint sound)
+{
+	if (!_effects)
+		return;
+	
+	if (_effects_paused)
+		return;
+
+	_effects->playSound(sound, &_effects_handle);
+}
+
+void SimonSound::playAmbient(uint sound)
+{
+	if (!_effects)
+		return;
+
+	if (sound == _ambient_playing)
+		return;
+
+	_ambient_playing = sound;
+
+	if (_ambient_paused)
+		return;
+
+	if (_ambient_handle)
+		_mixer->stop(_ambient_index);
+
+	_ambient_index = _effects->playSound(sound, &_ambient_handle, SoundMixer::FLAG_LOOP);
+}
+
+bool SimonSound::hasVoice()
+{
+	return _voice != NULL;
+}
+
+void SimonSound::stopAll()
+{
+	_mixer->stopAll();
+	_ambient_playing = 0;
+}
+
+void SimonSound::effectsPause(bool b)
+{
+	_effects_paused = b;
+}
+
+void SimonSound::ambientPause(bool b)
+{
+	_ambient_paused = b;
+
+	if (_ambient_paused && _ambient_playing) {
+		_mixer->stop(_ambient_index);
+	} else if (_ambient_playing) {
+		uint tmp = _ambient_playing;
+		_ambient_playing = 0;
+		playAmbient(tmp);
+	}
+}
+
+/******************************************************************************/
+
+SimonSound::Sound::Sound(SoundMixer *mixer, File *file, uint32 base)
+{
+	_mixer = mixer;
+	_file = file;
+
+	uint res = 0;
+	uint32 size;
+
+	_file->seek(base + sizeof(uint32), SEEK_SET);
+	size = _file->readUint32LE();
+
+	res = size / sizeof(uint32);
+
+	_offsets = (uint32 *)malloc(size + sizeof(uint32));
+
+	_file->seek(base, SEEK_SET);
+
+	if (_file->read(_offsets, size) != size)
+		error("Cannot read offsets");
+
+	for (uint i = 0; i < res; i++) {
+#if defined(SCUMM_BIG_ENDIAN)
+		_offsets[i] = FROM_LE_32(_offsets[i]);
+#endif
+		_offsets[i] += base;
+	}
+
+	/* only needed for mp3 */
+	_file->seek(0, SEEK_END);
+	_offsets[res] = _file->pos();
+}
+
+#if !defined(__GNUC__)
+#pragma START_PACK_STRUCTS
+#endif
+
+struct WaveHeader {
+	uint32 riff;
+	uint32 unk;
+	uint32 wave;
+	uint32 fmt;
+
+	uint32 size;
+
+	uint16 format_tag;
+	uint16 channels;
+	uint32 samples_per_sec;
+	uint32 avg_bytes;
+
+	uint16 block_align;
+	uint16 bits_per_sample;
+} GCC_PACK;
+
+struct VocHeader {
+	uint8 desc[20];
+	uint16 datablock_offset;
+	uint16 version;
+	uint16 id;
+} GCC_PACK;
+
+struct VocBlockHeader {
+	uint8 blocktype;
+	uint8 size[3];
+	uint8 sr;
+	uint8 pack;
+} GCC_PACK;
+
+#if !defined(__GNUC__)
+#pragma END_PACK_STRUCTS
+#endif
+	
+#ifdef USE_MAD
+int SimonSound::MP3Sound::playSound(uint sound, PlayingSoundHandle *handle, byte flags)
+{
+	if (_offsets == NULL)
+		return 0;
+
+	flags |= SoundMixer::FLAG_AUTOFREE;
+
+	_file->seek(_offsets[sound], SEEK_SET);
+
+	uint32 size = _offsets[sound+1] - _offsets[sound];
+
+	byte *buffer = (byte *)malloc(size);
+	_file->read(buffer, size);
+
+	return _mixer->playMP3(handle, buffer, size, flags);
+}
+#endif
+
+int SimonSound::VocSound::playSound(uint sound, PlayingSoundHandle *handle, byte flags)
+{
+	if (_offsets == NULL)
+		return 0;
+
+	VocHeader voc_hdr;
+	VocBlockHeader voc_block_hdr;
+	uint32 size;
+
+	flags |= SoundMixer::FLAG_UNSIGNED|SoundMixer::FLAG_AUTOFREE;
+
+	_file->seek(_offsets[sound], SEEK_SET);
+
+	if (_file->read(&voc_hdr, sizeof(voc_hdr)) != sizeof(voc_hdr) ||
+			strncmp((char *)voc_hdr.desc, "Creative Voice File\x1A", 10) != 0) {
+		error("playVoc(%d): cannot read voc header", sound);
+	}
+
+	_file->read(&voc_block_hdr, sizeof(voc_block_hdr));
+
+	size = voc_block_hdr.size[0] + (voc_block_hdr.size[1] << 8) + (voc_block_hdr.size[2] << 16) - 2;
+	uint32 samples_per_sec;
+
+	/* workaround for voc weakness */
+	if (voc_block_hdr.sr == 0xa6) {
+		samples_per_sec = 11025;
+	} else if (voc_block_hdr.sr == 0xd2) {
+		samples_per_sec = 22050;
+	} else {
+		samples_per_sec = 1000000L / (256L - (long)voc_block_hdr.sr);
+		warning("inexact sample rate used: %i", samples_per_sec);
+	}
+
+	byte *buffer = (byte *)malloc(size);
+	_file->read(buffer, size);
+
+	return _mixer->playRaw(handle, buffer, size, samples_per_sec, flags);
+}
+
+int SimonSound::WavSound::playSound(uint sound, PlayingSoundHandle *handle, byte flags)
+{
+	if (_offsets == NULL)
+		return 0;
+
+	WaveHeader wave_hdr;
+	uint32 data[2];
+
+	flags |= SoundMixer::FLAG_UNSIGNED|SoundMixer::FLAG_AUTOFREE;
+
+	_file->seek(_offsets[sound], SEEK_SET);
+
+	if (_file->read(&wave_hdr, sizeof(wave_hdr)) != sizeof(wave_hdr) ||
+			wave_hdr.riff != MKID('RIFF') || wave_hdr.wave != MKID('WAVE')
+			|| wave_hdr.fmt != MKID('fmt ') || READ_LE_UINT16(&wave_hdr.format_tag) != 1
+			|| READ_LE_UINT16(&wave_hdr.channels) != 1
+			|| READ_LE_UINT16(&wave_hdr.bits_per_sample) != 8) {
+		error("playWav(%d): cannot read RIFF header", sound);
+	}
+
+	_file->seek(FROM_LE_32(wave_hdr.size) - sizeof(wave_hdr) + 20, SEEK_CUR);
+
+	data[0] = _file->readUint32LE();
+	data[1] = _file->readUint32LE();
+	if (//fread(data, sizeof(data), 1, sound_file) != 1 ||
+			 data[0] != 'atad') {
+		error("playWav(%d): cannot read data header", sound);
+	}
+
+	byte *buffer = (byte *)malloc(data[1]);
+	_file->read(buffer, data[1]);
+
+	return _mixer->playRaw(handle, buffer, data[1], FROM_LE_32(wave_hdr.samples_per_sec), flags);
+}
+
diff --git a/simon/sound.h b/simon/sound.h
new file mode 100644
index 0000000000..88f2e4afaa
--- /dev/null
+++ b/simon/sound.h
@@ -0,0 +1,85 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+
+#include "sound/mixer.h"
+#include "simon/intern.h"
+
+class SimonSound {
+private:
+	class Sound {
+	protected:
+		File *_file;
+		uint32 *_offsets;
+		SoundMixer *_mixer;
+
+	public:
+		Sound(SoundMixer *mixer, File *file, uint32 base = 0);
+		virtual int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0) = 0;
+	};
+
+	class WavSound : public Sound {
+	public:
+		WavSound(SoundMixer *mixer, File *file, uint32 base = 0) : Sound(mixer, file, base) {};
+		int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0);
+	};
+
+	class VocSound : public Sound {
+	public:
+		VocSound(SoundMixer *mixer, File *file, uint32 base = 0) : Sound(mixer, file, base) {};
+		int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0);
+	};
+
+	class MP3Sound : public Sound {
+	public:
+		MP3Sound(SoundMixer *mixer, File *file, uint32 base = 0) : Sound(mixer, file, base) {};
+		int playSound(uint sound, PlayingSoundHandle *handle, byte flags = 0);
+	};
+
+	byte _game;
+	int _ambient_index;
+	SoundMixer *_mixer;
+
+	Sound *_voice;
+	Sound *_effects;
+
+	bool _effects_paused;
+	bool _ambient_paused;
+
+public:
+	PlayingSoundHandle _voice_handle;
+	PlayingSoundHandle _effects_handle;
+	PlayingSoundHandle _ambient_handle;
+
+	uint _ambient_playing;
+
+	SimonSound(const byte game, const GameSpecificSettings *gss, const char *gameDataPath, SoundMixer *mixer);
+
+	void readSfxFile(const char *filename, const char *gameDataPath);
+	void loadSfxTable(File *gameFile, uint32 base);
+
+	void playVoice(uint sound);
+	void playEffects(uint sound);
+	void playAmbient(uint sound);
+
+	bool hasVoice();
+	void stopAll();
+	void effectsPause(bool b);
+	void ambientPause(bool b);
+};
+