Initial commit

engines/avalanche/sound.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 "avalanche/avalanche.h"
+#include "avalanche/sound.h"
+
+#include "audio/softsynth/pcspk.h"
+#include "common/config-manager.h"
+
+namespace Avalanche {
+
+SoundHandler::SoundHandler(AvalancheEngine *vm) : _vm(vm) {
+	_soundFl = true;
+	_speaker = new Audio::PCSpeaker();
+	_speaker->init();
+}
+
+SoundHandler::~SoundHandler() {
+	delete _speaker;
+}
+
+/**
+ * Stop any sound that might be playing
+ */
+void SoundHandler::stopSound() {
+	_vm->_mixer->stopAll();
+}
+
+/**
+ * Turn digitized sound on and off
+ */
+void SoundHandler::toggleSound() {
+	_soundFl = !_soundFl;
+	_vm->_graphics->drawSoundLight(_soundFl);
+}
+
+void SoundHandler::syncVolume() {
+	int soundVolume;
+
+	if (ConfMan.getBool("sfx_mute") || ConfMan.getBool("mute"))
+		soundVolume = -1;
+	else
+		soundVolume = MIN(255, ConfMan.getInt("sfx_volume"));
+
+	_vm->_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, soundVolume);
+}
+
+void SoundHandler::playNote(int freq, int length) {
+	// Does the user not want any sound?
+	if (!_soundFl || !_vm->_mixer->isReady())
+		return;
+
+	// Start a note playing (we will stop it when the timer expires).
+	_speaker->play(Audio::PCSpeaker::kWaveFormSquare, freq, length);
+}
+
+void SoundHandler::click() {
+	_vm->_mixer->stopAll();
+
+	playNote(7177, 1);
+}
+
+void SoundHandler::blip() {
+	_vm->_mixer->stopAll();
+
+	playNote(177, 77);
+}
+
+} // End of namespace Avalanche