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136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_SAMPLE_BANK_H
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#define NL_SAMPLE_BANK_H
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#include "nel/misc/types_nl.h"
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#include "nel/misc/stream.h"
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#include "nel/misc/string_mapper.h"
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#include "nel/georges/u_form_elm.h"
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#include "nel/sound/u_source.h"
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#include "nel/sound/audio_mixer_user.h"
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#include <string>
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namespace NLSOUND {
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class ISoundDriver;
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class IBuffer;
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class CSampleBankManager;
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class CSampleBank;
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/*
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// Comparision for const char*
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struct eqname
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{
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bool operator()(const char* s1, const char* s2) const
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{
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return strcmp(s1, s2) == 0;
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}
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};
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*/
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/// Sample names hash map
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typedef CHashMap<NLMISC::TStringId, IBuffer*, NLMISC::CStringIdHashMapTraits> TSampleTable;
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/**
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* A set of samples.
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* \author Peter Hanappe
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* \author Nevrax France
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* \date 2001
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*/
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class CSampleBank : public CAudioMixerUser::IMixerUpdate
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{
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public:
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/// Constructor
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CSampleBank(NLMISC::TStringId name, CSampleBankManager *sampleBankManager);
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/// Destructor
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virtual ~CSampleBank();
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/** Load all the samples.
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*
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* Can throw EPathNotFound or ESoundFileNotFound (check Exception)
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* \param async If true, the samples are loaded in background.
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*/
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void load(bool async);
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/** Unload all the samples in this bank. Return false is unload can't be done (if an async
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* loading is not terminated.
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*/
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bool unload();
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/// Returns true if the samples in this bank have been loaded.
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bool isLoaded();
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/// Return a samples corresponding to a name.
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IBuffer *getSample(const NLMISC::TStringId &name);
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/// Return the number of samples in this bank.
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uint countSamples();
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/// Return the size of this bank in bytes.
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uint getSize();
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/// Return the name (must be unique)
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NLMISC::TStringId getName() const { return _Name; }
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private:
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/// The update method. Used when waiting for async sample loading.
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void onUpdate();
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// Sample bank manager
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CSampleBankManager *_SampleBankManager;
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// Hashtable with samples
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TSampleTable _Samples;
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// Sample bank name and path
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NLMISC::TStringId _Name;
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// Did we load the buffers.
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bool _Loaded;
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// Is the async load is done ?
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bool _LoadingDone;
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// The size of the samples in the bank
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uint _ByteSize;
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/// Flag for splitted load.
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bool _SplitLoadDone;
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/// List of sample that need to be loaded asynchronously.
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std::list<std::pair<IBuffer *, NLMISC::TStringId> > _LoadList;
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};
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/**
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* ESoundFileNotFound
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*/
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class ESampleBankNotFound : public NLMISC::Exception
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{
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public:
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ESampleBankNotFound( const std::string filename ) :
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NLMISC::Exception( (std::string("Sample bank not found: ")+filename).c_str() ) {}
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};
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} // NLSOUND
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#endif // NL_SAMPLE_BANK_H
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/* End of sound.h */
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