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SoundManager.h
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SoundManager.h
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/*
* Copyright (C) 2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SOUNDMANAGER_H
#define SOUNDMANAGER_H
#include <SDL_mixer.h>
#include <string>
#include <map>
#include <vector>
//Class for loading and playing sound effects.
class SoundManager{
private:
//Map containing the sfx chunk by name.
std::map<std::string,Mix_Chunk*> sounds;
//Array that holds the name of the sfx that is playing on each channel.
std::vector<std::string> playing;
//Flags of the channel.
//0x1: Temporarily turn the music volume down.
std::vector<int> playingFlags;
public:
//Constructor.
SoundManager();
//Destructor.
~SoundManager();
//Set the number of channels. Please call this function when no sound effects are playing.
void setNumberOfChannels(int channels);
//Destroys the sound chunks.
void destroy();
//This method will load one sfx file and add it to the collection.
//file: The filename of the sfx file.
//name: The name the sfx should have.
void loadSound(const std::string &file,const std::string &name);
//This method will start playing a sfx.
//name: The name of the sfx to play.
//concurrent: Integer containing the number of times the same sfx can be played at once, -1 is unlimited.
//force: Boolean if the sound must get
//fadeMusic: A factor to temporarily turn the music volume down (0-128 or -1).
//Return value: the channel of the sfx. -1 means failed (channed is full, invalid sfx name, sfx volume is 0, etc.)
int playSound(const std::string &name, int concurrent = -1, bool force = false, int fadeMusic = -1);
//Method that is called when a sfx is done playing.
//channel: The channel number.
void channelFinished(int channel);
};
#endif

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