goldberg_emulator/dll/steam_music.cpp

117 lines
2.6 KiB
C++
Raw Permalink Normal View History

2019-04-13 18:21:56 +02:00
/* Copyright (C) 2019 Mr Goldberg
This file is part of the Goldberg Emulator
The Goldberg Emulator is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
The Goldberg Emulator 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the Goldberg Emulator; if not, see
<http://www.gnu.org/licenses/>. */
#include "steam_music.h"
Steam_Music::Steam_Music(class SteamCallBacks *callbacks)
{
playing = 0;
volume = 1.0;
this->callbacks = callbacks;
}
void Steam_Music::change_playstate(int new_playing)
{
if (new_playing != playing) {
PlaybackStatusHasChanged_t data;
callbacks->addCBResult(data.k_iCallback, &data, sizeof(data));
}
playing = new_playing;
}
bool Steam_Music::BIsEnabled()
{
PRINT_DEBUG("Steam_Music::BIsEnabled\n");
return true;
}
bool Steam_Music::BIsPlaying()
{
PRINT_DEBUG("Steam_Music::BIsPlaying\n");
return playing > 0;
}
AudioPlayback_Status Steam_Music::GetPlaybackStatus()
{
PRINT_DEBUG("Steam_Music::GetPlaybackStatus\n");
if (playing == 0) {
return AudioPlayback_Idle;
}
if (playing == 1) {
return AudioPlayback_Paused;
}
if (playing == 2) {
return AudioPlayback_Playing;
}
return AudioPlayback_Idle;
}
void Steam_Music::Play()
{
PRINT_DEBUG("Steam_Music::Play\n");
change_playstate(2);
}
void Steam_Music::Pause()
{
PRINT_DEBUG("Steam_Music::Pause\n");
change_playstate(1);
}
void Steam_Music::PlayPrevious()
{
PRINT_DEBUG("Steam_Music::PlayPrevious\n");
change_playstate(2);
}
void Steam_Music::PlayNext()
{
PRINT_DEBUG("Steam_Music::PlayNext\n");
change_playstate(2);
}
// volume is between 0.0 and 1.0
void Steam_Music::SetVolume( float flVolume )
{
PRINT_DEBUG("Steam_Music::SetVolume\n");
if (flVolume > 1.0)
flVolume = 1.0;
if (flVolume < 0.0)
flVolume = 0.0;
if (flVolume != volume) {
VolumeHasChanged_t data;
data.m_flNewVolume = volume;
callbacks->addCBResult(data.k_iCallback, &data, sizeof(data));
}
volume = flVolume;
}
float Steam_Music::GetVolume()
{
PRINT_DEBUG("Steam_Music::GetVolume\n");
return volume;
}