Initial commit

engines/ultima/nuvie/sound/adlib_sfx_manager.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ultima/shared/std/string.h"
+#include "ultima/nuvie/core/nuvie_defs.h"
+#include "ultima/nuvie/sound/decoder/adlib_sfx_stream.h"
+#include "ultima/nuvie/sound/adlib_sfx_manager.h"
+#include "audio/mixer.h"
+
+namespace Ultima {
+namespace Nuvie {
+
+AdLibSfxManager::AdLibSfxManager(const Configuration *cfg, Audio::Mixer *m) : SfxManager(cfg, m) {
+
+}
+
+AdLibSfxManager::~AdLibSfxManager() {
+
+}
+
+bool AdLibSfxManager::playSfx(SfxIdType sfx_id, uint8 volume) {
+	return playSfxLooping(sfx_id, nullptr, volume);
+}
+
+
+bool AdLibSfxManager::playSfxLooping(SfxIdType sfx_id, Audio::SoundHandle *handle, uint8 volume) {
+	AdLibSfxStream *stream = nullptr;
+
+	if (sfx_id == NUVIE_SFX_SE_TICK) {
+		stream = new AdLibSfxStream(config, mixer->getOutputRate(), 17, 0x30, 0x60, 0xff, 22050);
+	} else if (sfx_id == NUVIE_SFX_EXPLOSION) {
+		stream = new AdLibSfxStream(config, mixer->getOutputRate(), 8, 0x40, 0x40, 0x7f, 22050);
+	}
+
+	if (stream) {
+		sfx_duration = stream->getLengthInMsec();
+		playSoundSample(stream, handle, volume);
+		return true;
+	}
+
+	return false;
+}
+
+void AdLibSfxManager::playSoundSample(Audio::AudioStream *stream, Audio::SoundHandle *looping_handle, uint8 volume) {
+	Audio::SoundHandle handle;
+
+	if (looping_handle) {
+		Audio::RewindableAudioStream *audioStream = dynamic_cast<Audio::RewindableAudioStream *>(stream);
+		assert(audioStream);
+		Audio::LoopingAudioStream *looping_stream = new Audio::LoopingAudioStream(audioStream, 0);
+		mixer->playStream(Audio::Mixer::kPlainSoundType, looping_handle, looping_stream, -1, volume);
+	} else {
+		mixer->playStream(Audio::Mixer::kPlainSoundType, &handle, stream, -1, volume);
+	}
+
+}
+
+} // End of namespace Nuvie
+} // End of namespace Ultima