aboutsummaryrefslogtreecommitdiff
path: root/engines/hugo/sound.cpp
diff options
context:
space:
mode:
authorArnaud Boutonné2010-12-22 18:25:48 +0000
committerArnaud Boutonné2010-12-22 18:25:48 +0000
commitd9cc9d5800a0b20c7d18770928871185e756477d (patch)
treec77452ac77c1d70a1342f971be43887fdb47c350 /engines/hugo/sound.cpp
parent51e9cdb12c2384aac30bcf9f2c8a80f35bbfe3dd (diff)
downloadscummvm-rg350-d9cc9d5800a0b20c7d18770928871185e756477d.tar.gz
scummvm-rg350-d9cc9d5800a0b20c7d18770928871185e756477d.tar.bz2
scummvm-rg350-d9cc9d5800a0b20c7d18770928871185e756477d.zip
HUGO: Replace function comments by doxygen comments
svn-id: r55014
Diffstat (limited to 'engines/hugo/sound.cpp')
-rw-r--r--engines/hugo/sound.cpp48
1 files changed, 29 insertions, 19 deletions
diff --git a/engines/hugo/sound.cpp b/engines/hugo/sound.cpp
index 51c7271761..6ebbe930a4 100644
--- a/engines/hugo/sound.cpp
+++ b/engines/hugo/sound.cpp
@@ -179,17 +179,16 @@ void MidiPlayer::send(uint32 b) {
byte volume, ch = (byte)(b & 0xF);
debugC(9, kDebugMusic, "MidiPlayer::send, channel %d (volume is %d)", ch, _channelsVolume[ch]);
switch (b & 0xFFF0) {
- case 0x07B0: // volume change
+ case 0x07B0: // volume change
volume = (byte)((b >> 16) & 0x7F);
_channelsVolume[ch] = volume;
volume = volume * _masterVolume / 255;
b = (b & 0xFF00FFFF) | (volume << 16);
debugC(8, kDebugMusic, "Volume change, channel %d volume %d", ch, volume);
break;
- case 0x7BB0: // all notes off
+ case 0x7BB0: // all notes off
debugC(8, kDebugMusic, "All notes off, channel %d", ch);
- if (!_channelsTable[ch]) {
- // channel not yet allocated, no need to send the event
+ if (!_channelsTable[ch]) { // channel not yet allocated, no need to send the event
return;
}
break;
@@ -207,7 +206,7 @@ void MidiPlayer::send(uint32 b) {
void MidiPlayer::metaEvent(byte type, byte *data, uint16 length) {
switch (type) {
- case 0x2F: // end of Track
+ case 0x2F: // end of Track
if (_isLooping) {
_parser->jumpToTick(0);
} else {
@@ -237,31 +236,40 @@ SoundHandler::~SoundHandler() {
delete _midiPlayer;
}
+/**
+* Set the FM music volume from config.mvolume (0..100%)
+*/
void SoundHandler::setMusicVolume() {
- /* Set the FM music volume from config.mvolume (0..100%) */
-
_midiPlayer->setVolume(_config.musicVolume * 255 / 100);
}
+/**
+* Stop any sound that might be playing
+*/
void SoundHandler::stopSound() {
- /* Stop any sound that might be playing */
_vm->_mixer->stopAll();
}
+/**
+* Stop any tune that might be playing
+*/
void SoundHandler::stopMusic() {
- /* Stop any tune that might be playing */
_midiPlayer->stop();
}
+/**
+* Turn music on and off
+*/
void SoundHandler::toggleMusic() {
-// Turn music on and off
_config.musicFl = !_config.musicFl;
_midiPlayer->pause(!_config.musicFl);
}
+/**
+* Turn digitized sound on and off
+*/
void SoundHandler::toggleSound() {
-// Turn digitized sound on and off
_config.soundFl = !_config.soundFl;
}
@@ -269,9 +277,10 @@ void SoundHandler::playMIDI(sound_pt seq_p, uint16 size) {
_midiPlayer->play(seq_p, size);
}
-
+/**
+* Read a tune sequence from the sound database and start playing it
+*/
void SoundHandler::playMusic(int16 tune) {
- /* Read a tune sequence from the sound database and start playing it */
sound_pt seqPtr; // Sequence data from file
uint16 size; // Size of sequence data
@@ -283,11 +292,11 @@ void SoundHandler::playMusic(int16 tune) {
}
}
-
+/**
+* Produce various sound effects on supplied stereo channel(s)
+* Override currently playing sound only if lower or same priority
+*/
void SoundHandler::playSound(int16 sound, stereo_t channel, byte priority) {
- /* Produce various sound effects on supplied stereo channel(s) */
- /* Override currently playing sound only if lower or same priority */
-
// uint32 dwVolume; // Left, right volume of sound
sound_pt sound_p; // Sound data
uint16 size; // Size of data
@@ -314,9 +323,10 @@ void SoundHandler::playSound(int16 sound, stereo_t channel, byte priority) {
}
+/**
+* Initialize for MCI sound and midi
+*/
void SoundHandler::initSound() {
- /* Initialize for MCI sound and midi */
-
_midiPlayer->open();
}