D:/Programmation/Cpp/SFML/src/SFML/Audio/SoundImpl.cpp

00001 
00002 //
00003 // SFML - Simple and Fast Multimedia Library
00004 // Copyright (C) 2007 Laurent Gomila (laurent.gom@gmail.com)
00005 //
00006 // This software is provided 'as-is', without any express or implied warranty.
00007 // In no event will the authors be held liable for any damages arising from the use of this software.
00008 //
00009 // Permission is granted to anyone to use this software for any purpose,
00010 // including commercial applications, and to alter it and redistribute it freely,
00011 // subject to the following restrictions:
00012 //
00013 // 1. The origin of this software must not be misrepresented;
00014 //    you must not claim that you wrote the original software.
00015 //    If you use this software in a product, an acknowledgment
00016 //    in the product documentation would be appreciated but is not required.
00017 //
00018 // 2. Altered source versions must be plainly marked as such,
00019 //    and must not be misrepresented as being the original software.
00020 //
00021 // 3. This notice may not be removed or altered from any source distribution.
00022 //
00024 
00026 // Headers
00028 #include <SFML/Audio/SoundImpl.hpp>
00029 #include <SFML/Audio/SoundBuffer.hpp>
00030 #include <SFML/Audio/OpenAL.hpp>
00031 
00032 
00033 namespace sf_private
00034 {
00038 sfSoundImpl::sfSoundImpl(bool Loop, float Pitch, float Volume, float Position[3])
00039 {
00040     sfALCheck(alGenSources(1, &Source));
00041 
00042     sfALCheck(alSourcei (Source, AL_LOOPING,  Loop));
00043     sfALCheck(alSourcef (Source, AL_PITCH,    Pitch));
00044     sfALCheck(alSourcef (Source, AL_GAIN,     Volume * 0.01f));
00045     sfALCheck(alSourcefv(Source, AL_POSITION, Position));
00046 }
00047 
00048 
00052 sfSoundImpl::~sfSoundImpl()
00053 {
00054     DestroyAudioResources();
00055 }
00056 
00057 
00061 void sfSoundImpl::DestroyAudioResources()
00062 {
00063     if (Source)
00064     {
00065         sfALCheck(alSourcei(Source, AL_BUFFER, 0));
00066         sfALCheck(alDeleteSources(1, &Source));
00067         Source = 0;
00068     }
00069 }
00070 
00071 } // namespace sf_private