ZVISION: Implement MusicNode and move ActionMusic to work with it.

1 files changed, 86 insertions, 0 deletions

diff --git a/engines/zvision/music_node.cpp b/engines/zvision/music_node.cpp
new file mode 100644
index 0000000000..6be4683178
--- /dev/null
+++ b/engines/zvision/music_node.cpp
@@ -0,0 +1,86 @@
+/* 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 "common/scummsys.h"
+
+#include "zvision/music_node.h"
+
+#include "zvision/zvision.h"
+#include "zvision/script_manager.h"
+#include "zvision/zork_raw.h"
+
+#include "common/stream.h"
+#include "common/file.h"
+#include "audio/decoders/wave.h"
+
+
+namespace ZVision {
+
+MusicNode::MusicNode(ZVision *engine, uint32 key, Common::String &filename, bool loop, int8 volume)
+	: SideFX(engine, key, SIDEFX_AUDIO) {
+	_loop = loop;
+	_volume = volume;
+	_crossfade = false;
+	_crossfade_delta = 0;
+	_crossfade_time = 0;
+	_attenuate = 0;
+	_pantrack = false;
+	_pantrack_X = 0;
+
+	Audio::RewindableAudioStream *audioStream;
+
+	if (filename.contains(".wav")) {
+		Common::File *file = new Common::File();
+		if (file->open(filename)) {
+			audioStream = Audio::makeWAVStream(file, DisposeAfterUse::YES);
+		}
+	} else {
+		audioStream = makeRawZorkStream(filename, _engine);
+	}
+
+	_id = _engine->getAudioId();
+
+	if (_loop) {
+		Audio::LoopingAudioStream *loopingAudioStream = new Audio::LoopingAudioStream(audioStream, 0, DisposeAfterUse::YES);
+		_engine->_mixer->playStream(Audio::Mixer::kPlainSoundType, 0, loopingAudioStream, _id, _volume);
+	} else {
+		_engine->_mixer->playStream(Audio::Mixer::kPlainSoundType, 0, audioStream, _id, _volume);
+	}
+
+	if (_key != StateKey_NotSet)
+		_engine->getScriptManager()->setStateValue(_key, 1);
+}
+
+MusicNode::~MusicNode() {
+	_engine->_mixer->stopID(_id);
+	if (_key != StateKey_NotSet)
+		_engine->getScriptManager()->setStateValue(_key, 2);
+	debug(1, "MusicNode: %d destroyed\n", _key);
+}
+
+bool MusicNode::process(uint32 deltaTimeInMillis) {
+	if (! _engine->_mixer->isSoundIDActive(_id))
+		return stop();
+	return false;
+}
+
+} // End of namespace ZVision