soft-mood/song.cpp

/* 
 * This file is part of Soft Mood (https://notabug.org/alkeon/soft-mood).
 * Copyright (c) 2019 Alejandro "alkeon" Castilla
 * 
 * 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, version 3.
 *
 * 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 "song.h"

song::song(const string& file){

	Mix_VolumeMusic(0);
	_music = Mix_LoadWAV(file.c_str());

	if(!_music)
		cout << "Mixer couldn't load song: " << file << endl;

	Mix_VolumeChunk(_music, 0);

	if(!_music)
		cout << "Mixer couldn't change volume" << endl;

	_channel = Mix_PlayChannel(-1, _music, -1);

	if(_channel < 0)
		cout << "Mixer couldn't get a channel" << endl;
}

void song::set_volume(int volume){ 
	if(volume == 0 && Mix_Paused(_channel) == 1)

		Mix_Pause(_channel);

	else {

		_volume = volume;
		Mix_VolumeChunk(_music, _volume);

	}
}

void song::change_song(const string& file, int volume){

	Mix_HaltChannel(_channel);
	Mix_VolumeMusic(0);
	_music = Mix_LoadWAV(file.c_str());

	if(!_music)
		cout << "Mixer couldn't load song: " << file << endl;

	Mix_VolumeChunk(_music, volume);

	if(!_music)
		cout << "Mixer couldn't change volume" << endl;

	_channel = Mix_PlayChannel(_channel, _music, -1);

	if(_channel < 0)
		cout << "Mixer couldn't get a channel" << endl;

}