Restructured sound code

svn-id: r31937

1 files changed, 103 insertions, 0 deletions

diff --git a/engines/gob/sound/infogrames.cpp b/engines/gob/sound/infogrames.cpp
new file mode 100644
index 0000000000..0b46f3485c
--- /dev/null
+++ b/engines/gob/sound/infogrames.cpp
@@ -0,0 +1,103 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "gob/sound/infogrames.h"
+
+namespace Gob {
+
+Infogrames::Infogrames(Audio::Mixer &mixer) : _mixer(&mixer) {
+	_instruments = 0;
+	_song = 0;
+}
+
+Infogrames::~Infogrames() {
+	clearSong();
+	clearInstruments();
+}
+
+bool Infogrames::loadInstruments(const char *fileName) {
+	clearSong();
+	clearInstruments();
+
+	return loadInst(fileName);
+}
+
+bool Infogrames::loadSong(const char *fileName) {
+	clearSong();
+
+	if (!_instruments)
+		if (!loadInst("i1.ins"))
+			return false;
+
+	_song = new Audio::Infogrames(*_instruments, true,
+			_mixer->getOutputRate(), _mixer->getOutputRate() / 75);
+
+	if (!_song->load(fileName)) {
+		warning("Couldn't load infogrames music");
+		clearSong();
+		return false;
+	}
+
+	return true;
+}
+
+void Infogrames::play() {
+	if (_song && !_mixer->isSoundHandleActive(_handle)) {
+		_song->restart();
+		_mixer->playInputStream(Audio::Mixer::kMusicSoundType,
+				&_handle, _song, -1, 255, 0, false);
+	}
+}
+
+void Infogrames::stop() {
+	_mixer->stopHandle(_handle);
+}
+
+void Infogrames::clearInstruments() {
+	delete _instruments;
+	_instruments = 0;
+}
+
+void Infogrames::clearSong() {
+	if (_song) {
+		_mixer->stopHandle(_handle);
+
+		delete _song;
+		_song = 0;
+	}
+}
+
+bool Infogrames::loadInst(const char *fileName) {
+	_instruments = new Audio::Infogrames::Instruments;
+	if (!_instruments->load(fileName)) {
+		warning("Couldn't load instruments file");
+		clearInstruments();
+		return false;
+	}
+
+	return true;
+}
+
+} // End of namespace Gob