Initial commit

engines/illusions/resources/soundresource.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 "illusions/illusions.h"
+#include "illusions/resources/soundresource.h"
+#include "illusions/sound.h"
+
+namespace Illusions {
+
+// SoundGroupResourceLoader
+
+void SoundGroupResourceLoader::load(Resource *resource) {
+	SoundGroupInstance *soundGroupInstance = new SoundGroupInstance(_vm);
+	soundGroupInstance->load(resource);
+	resource->_instance = soundGroupInstance;
+}
+
+bool SoundGroupResourceLoader::isFlag(int flag) {
+	return
+		flag == kRlfLoadFile/* ||
+		flag == kRlfFreeDataAfterLoad*/;
+}
+
+// SoundEffect
+
+void SoundEffect::load(Common::SeekableReadStream &stream) {
+	_soundEffectId = stream.readUint32LE();
+	_looping = stream.readUint16LE() != 0;
+	_field6 = stream.readUint16LE();
+	_volume = stream.readUint16LE();
+	_frequency = stream.readUint16LE();
+	stream.skip(32 + 4); // Skip name
+	debug(1, "SoundEffect::load() _soundEffectId: %08X, _looping: %d, _field6: %d, _volume: %d, _frequency: %d",
+		_soundEffectId, _looping, _field6, _volume, _frequency);
+}
+
+// SoundGroupResource
+
+SoundGroupResource::SoundGroupResource()
+	: _soundEffects(nullptr) {
+}
+
+SoundGroupResource::~SoundGroupResource() {
+	delete[] _soundEffects;
+}
+
+void SoundGroupResource::load(byte *data, uint32 dataSize) {
+	Common::MemoryReadStream stream(data, dataSize, DisposeAfterUse::NO);
+
+	stream.skip(4);
+	_soundEffectsCount = stream.readUint16LE();
+	stream.skip(2);
+	uint32 soundEffectsOffs = stream.readUint32LE();
+	debug(1, "_soundEffectsCount: %d; soundEffectsOffs: %08X", _soundEffectsCount, soundEffectsOffs);
+	_soundEffects = new SoundEffect[_soundEffectsCount];
+	stream.seek(soundEffectsOffs);
+	for (uint i = 0; i < _soundEffectsCount; ++i) {
+		_soundEffects[i].load(stream);
+	}
+
+}
+
+// SoundGroupInstance
+
+SoundGroupInstance::SoundGroupInstance(IllusionsEngine *vm)
+	: _vm(vm), _soundGroupResource(nullptr) {
+}
+
+void SoundGroupInstance::load(Resource *resource) {
+	_soundGroupResource = new SoundGroupResource();
+	_soundGroupResource->load(resource->_data, resource->_dataSize);
+	for (uint i = 0; i < _soundGroupResource->_soundEffectsCount; ++i) {
+		SoundEffect *soundEffect = &_soundGroupResource->_soundEffects[i];
+		_vm->_soundMan->loadSound(soundEffect->_soundEffectId, resource->_resId, soundEffect->_looping);
+	}
+	_resId = resource->_resId;
+}
+
+void SoundGroupInstance::unload() {
+	_vm->_soundMan->unloadSounds(_resId);
+	delete _soundGroupResource;
+}
+
+} // End of namespace Illusions