genesis-3d_engine/Engine/app/soundfeature/SoundRes.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU

http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#if __USE_AUDIO__ || __GENESIS_EDITOR__
#include "stdneb.h"
#include "soundfeature/SoundRes.h"
#include "addons/resource/resourcemanager.h"
#include "soundfeature/components/SoundSourceComponent.h"

namespace App
{

	__ImplementClass(App::SoundRes, 'SDRS' , Core::RefCounted);

	//------------------------------------------------------------------------------
	SoundRes::SoundRes()
		: mName("")
		, mIs3D(false)
		, mDecompressFlag(MEMORY_DECOPRESS)
		, mFrequency(0)
		, mPriority(Resources::ResourcePriority::SoundDefault)
		, mSoundBuffer(NULL)
		, mSoundSystemSource(NULL)
	{}

	//------------------------------------------------------------------------------
	SoundRes::~SoundRes()
	{
		if (mSoundBuffer)
		{
			mSoundBuffer->ReleaseBuffer();
		}
	}

	//------------------------------------------------------------------------------
	bool SoundRes::Init(const Util::String &name, const bool &is3D)
	{
		return SetName(name) && Set3D(is3D);
	}

	//------------------------------------------------------------------------------
	bool SoundRes::SetName(const Util::String &name, int priority)
	{
		if (mName != name)
		{
			mName = name;

			if (mSoundBuffer)
			{
				mSoundBuffer->ReleaseBuffer();
				mSoundBuffer = NULL;
			}
		}
		mPriority = priority;
		return true;
	}

	//------------------------------------------------------------------------------
	bool SoundRes::Set3D(const bool is3D)
	{
		mIs3D = is3D;

		bool ret = false;

		if (mSoundSystemSource)
		{
			ret = mSoundSystemSource->SetMode(mIs3D ? GENESISSOUND_3D_WORLDRELATIVE : 
				GENESISSOUND_3D_HEADRELATIVE );
		}

		return ret;	
	}
	//------------------------------------------------------------------------------
	void SoundRes::SetPriority(const Resources::Priority priority)
	{
		mPriority = priority;
	}

	//------------------------------------------------------------------------------
	Sound::SoundSystemSource* SoundRes::CreateSoundSystemSource()
	{
		if (!mSoundBuffer)
		{
			return mSoundSystemSource = NULL;
		}

		mSoundSystemSource = SoundFeature::Instance()->GetFreeSoundSystemSource(mSoundBuffer);

		return mSoundSystemSource;
	}
	//------------------------------------------------------------------------------
	bool SoundRes::CreateSoundBuffer(const char* nameOrData, SizeT dataSize, 
		GENESISOUND_MODE mode, 
		GENESIS_FILE_FORMAT fileFormat)
	{
		n_assert(SoundFeature::HasInstance());

		mSoundBuffer = SoundFeature::Instance()->CreateSoundBuffer(
			nameOrData, dataSize, 
			mode, fileFormat);

		if (mSoundBuffer == NULL)
			return false;
		else
			return true;
	}

	//------------------------------------------------------------------------------
	void SoundRes::SetSoundSystemSource( Sound::SoundSystemSource *ptr )
	{
		mSoundSystemSource = ptr;
	}
	//------------------------------------------------------------------------------
	Sound::SoundSystemSource* SoundRes::GetSoundSystemSource() const
	{
		return mSoundSystemSource;
	}


	//------------------------------------------------------------------------------
	uint SoundRes::GetLength(void) const
	{
		n_assert(!mName.IsEmpty());
		n_assert(SoundFeature::HasInstance());

		return 0;
	}
	//------------------------------------------------------------------------------
	uint SoundRes::GetFrequency() const
	{
		return mFrequency;
	}
	//------------------------------------------------------------------------------
	int SoundRes::GetDecompressFlag(void) const
	{
		return mDecompressFlag;
	}
	//------------------------------------------------------------------------------
	void SoundRes::SetDecompressFlag(const int flag)
	{
		if (flag<LOAD_DECOMPRESS || flag>STREAM_DECOPRESS)
		{
			mDecompressFlag = MEMORY_DECOPRESS;
		}
		else
		{
			mDecompressFlag = flag;
		}

		return;
	}
	//--------------------------------------------------------------------------------
	bool SoundRes::IsSoundValiad()
	{
		return mSoundBuffer != NULL;
	}

	void SoundRes::Discard()
	{
		if (mSoundBuffer)
		{
			mSoundBuffer->ReleaseBuffer();
			mSoundBuffer = NULL;
		}
	}
	//--------------------------------------------------------------------------------
	void SoundRes::CopyFrom(const SoundRes& src)
	{
		mName = src.GetName();
		mIs3D = src.Is3D();

		//Because 'mSoundSystemSource' need a new value when copying, so must 
		//set its value to null. Then when execute 'SoundSource::Play(void)',
		//'mSoundSystemSource' will be assigned to a new value.
		mSoundSystemSource = NULL;

		mDecompressFlag = src.GetDecompressFlag();
		mFrequency = src.GetFrequency();
	}

} // namespace App




#endif // __USE_AUDIO__ || __GENESIS_EDITOR__