khanat-opennel-code/code/nel/src/sound/background_sound.cpp

161 lines
4.1 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdsound.h"
#include "nel/sound/background_sound.h"
#include "nel/sound/audio_mixer_user.h"
#include "nel/misc/path.h"
using namespace std;
using namespace NLMISC;
namespace NLSOUND {
CBackgroundSound::CBackgroundSound()
: _Duration(0), _DurationValid(false)
{
}
CBackgroundSound::~CBackgroundSound()
{
}
void CBackgroundSound::serial(NLMISC::IStream &s)
{
CSound::serial(s);
s.serialCont(_Sounds);
if (s.isReading())
_DurationValid = false;
}
void CBackgroundSound::importForm(const std::string& filename, NLGEORGES::UFormElm& formRoot)
{
NLGEORGES::UFormElm *psoundType;
std::string dfnName;
// some basic checking.
formRoot.getNodeByName(&psoundType, ".SoundType");
nlassert(psoundType != NULL);
psoundType->getDfnName(dfnName);
nlassert(dfnName == "background_sound.dfn");
// Call the base class
CSound::importForm(filename, formRoot);
// Read the array of sound with there respective filter.
{
_Sounds.clear();
NLGEORGES::UFormElm *psoundList;
formRoot.getNodeByName(&psoundList, ".SoundType.Sounds");
if (psoundList != 0 && psoundList->isArray())
{
uint size;
psoundList->getArraySize(size);
for (uint i=0; i<size; ++i)
{
TSoundInfo sound;
NLGEORGES::UFormElm *psoundItem;
psoundList->getArrayNode(&psoundItem, i);
if (psoundItem != NULL)
{
// Read the sound name.
std::string soundName;
psoundItem->getValueByName(soundName, "Sound");
sound.SoundName = CStringMapper::map(CFile::getFilenameWithoutExtension(soundName));
// Read the environnement flag.
for (uint j=0; j<UAudioMixer::TBackgroundFlags::NB_BACKGROUND_FLAGS; j++)
{
char tmp[200];
sprintf(tmp, "Filter%2.2u", j);
psoundItem->getValueByName(sound.Filter.Flags[j], tmp);
}
}
_Sounds.push_back(sound);
}
}
}
_DurationValid = false;
}
uint32 CBackgroundSound::getDuration()
{
if (_DurationValid)
return _Duration;
vector<sint32> durations;
CAudioMixerUser *mixer = CAudioMixerUser::instance();
std::vector<TSoundInfo>::const_iterator first(_Sounds.begin()), last(_Sounds.end());
for (; first != last; ++first)
{
CSound *sound = mixer->getSoundId(first->SoundName);
if (sound != NULL)
durations.push_back(sound->getDuration());
}
if (durations.empty())
return 0;
_Duration = *(std::max_element(durations.begin(), durations.end()));
_DurationValid = true;
return _Duration;
}
void CBackgroundSound::getSubSoundList(std::vector<std::pair<std::string, CSound*> > &subsounds) const
{
CAudioMixerUser *mixer = CAudioMixerUser::instance();
std::vector<TSoundInfo>::const_iterator first(_Sounds.begin()), last(_Sounds.end());
for (; first != last; ++first)
{
CSound *sound = mixer->getSoundId(first->SoundName);
subsounds.push_back(make_pair(CStringMapper::unmap(first->SoundName), sound));
}
}
float CBackgroundSound::getMaxDistance() const
{
CAudioMixerUser *mixer = CAudioMixerUser::instance();
float ret = 0.0f;
std::vector<TSoundInfo>::const_iterator first(_Sounds.begin()), last(_Sounds.end());
for (; first != last; ++first)
{
CSound *sound = mixer->getSoundId(first->SoundName);
if (sound != 0)
{
ret = max(ret, sound->getMaxDistance());
}
}
if (ret == 0)
ret = 1;
return ret;
}
} // NLSOUND