From 078cbf0b089588836784513a558cb7dc99b4758b Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Tue, 20 Sep 2016 10:56:07 +0300
Subject: CHEWY: Add a sound player class and use the proper game resolution

Currently, speech and sound effects are supported, but the current
music playing implementation is wrong, as the game's music is
encoded in custom MOD-like files. With the current music
implementation, the PCM parts of these files are played
---
 engines/chewy/sound.cpp | 87 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 engines/chewy/sound.cpp

(limited to 'engines/chewy/sound.cpp')

diff --git a/engines/chewy/sound.cpp b/engines/chewy/sound.cpp
new file mode 100644
index 0000000000..41f91d0886
--- /dev/null
+++ b/engines/chewy/sound.cpp
@@ -0,0 +1,87 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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.
+ *
+ */
+
+#include "audio/audiostream.h"
+#include "audio/mixer.h"
+#include "audio/decoders/raw.h"
+#include "common/system.h"
+
+#include "chewy/resource.h"
+#include "chewy/sound.h"
+
+namespace Chewy {
+
+Sound::Sound() {
+	_speechRes = new Resource("speech.tvp");
+	_soundRes = new Resource("details.tap");
+}
+
+Sound::~Sound() {
+	delete _soundRes;
+	delete _speechRes;
+}
+
+void Sound::playSound(int num, bool loop) {
+	Chunk *chunk = _soundRes->getChunk(num);
+	byte *data = _soundRes->getChunkData(num);
+
+	Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
+		Audio::makeRawStream(data,
+		chunk->size, 22050, Audio::FLAG_UNSIGNED,
+		DisposeAfterUse::NO),
+		loop ? 0 : 1);
+
+	g_engine->_mixer->playStream(Audio::Mixer::kSFXSoundType, &_soundHandle, stream);
+}
+
+void Sound::playMusic(int num, bool loop) {
+	uint32 musicNum = _soundRes->getChunkCount() - 1 - num;
+	Chunk *chunk = _soundRes->getChunk(musicNum);
+	byte *data = _soundRes->getChunkData(musicNum);
+
+	// TODO: TMF music files are similar to MOD files. With the following
+	// incorrect implementation, the PCM parts of these files can be played
+	warning("The current music playing implementation is wrong");
+
+	Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
+		Audio::makeRawStream(data,
+		chunk->size, 22050, Audio::FLAG_UNSIGNED,
+		DisposeAfterUse::NO),
+		loop ? 0 : 1);
+
+	g_engine->_mixer->playStream(Audio::Mixer::kMusicSoundType, &_musicHandle, stream);
+}
+
+void Sound::playSpeech(int num) {
+	Chunk *chunk = _speechRes->getChunk(num);
+	byte *data = _speechRes->getChunkData(num);
+
+	Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
+		Audio::makeRawStream(data,
+		chunk->size, 22050, Audio::FLAG_UNSIGNED,
+		DisposeAfterUse::NO),
+		1);
+
+	g_engine->_mixer->playStream(Audio::Mixer::kSpeechSoundType, &_speechHandle, stream);
+}
+
+} // End of namespace Chewy
-- 
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