nevrax.org : docs

00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #ifndef NL_BACKGROUND_SOURCE_H
+00027 #define NL_BACKGROUND_SOURCE_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 //#include "nel/sound/u_source.h"
+00031 #include "source_common.h"
+00032 #include "background_sound.h"
+00033 
+00034 
+00035 namespace NLSOUND {
+00036 
+00037 class CBackgroundSound;
+00038 
+00044 class CBackgroundSource : public CSourceCommon, public CAudioMixerUser::IMixerEvent, public CAudioMixerUser::IMixerUpdate
+00045 {
+00046 public:
+00048         CBackgroundSource       (CBackgroundSound *backgroundSource=NULL, bool spawn=false, TSpawnEndCallback cb=0, void *cbUserParam = 0);
+00050         ~CBackgroundSource      ();
+00051 
+00053         void                                                    setSound( TSoundId id, CSoundContext *context = 0);
+00055         virtual TSoundId                                getSound();
+00056 
+00057         virtual void                                    play();
+00059         virtual void                                    stop();
+00060 
+00061         TSOURCE_TYPE                                    getType() const                                                         {return SOURCE_BACKGROUND;}
+00062 
+00063         void                                                    setGain( float gain );
+00064         void                                                    setRelativeGain( float gain );
+00065 
+00066         void                                                    setPos( const NLMISC::CVector& pos );
+00067         void                                                    setVelocity( const NLMISC::CVector& vel );
+00068         void                                                    setDirection( const NLMISC::CVector& dir );
+00069 
+00070 
+00071 private:
+00072 
+00074         bool    checkFilter(const UAudioMixer::TBackgroundFlags &filter);
+00075 
+00077         void onUpdate();
+00079         void onEvent();
+00080 
+00082         enum TSubSourceStatus
+00083         {
+00085                 SUB_STATUS_PLAY,
+00087                 SUB_STATUS_STOP,
+00089                 SUB_STATUS_FADEOUT,
+00091                 SUB_STATUS_FADEIN
+00092         };
+00093 
+00095         struct TSubSource
+00096         {
+00098                 USource                         *Source;
+00100                 TSubSourceStatus        Status;
+00102                 NLMISC::TTime           FadeStart;
+00104                 uint32                          FilterFadeIn;
+00106                 uint32                          FilterFadeOut;
+00108                 UAudioMixer::TBackgroundFlags   Filter;
+00109         };
+00110 
+00112         CBackgroundSound                        *_BackgroundSound;
+00113 
+00115         std::vector<TSubSource>         _Sources;
+00116 
+00118         NLMISC::TTime                           _LastCheck;
+00119 };
+00120 
+00121 
+00122 
+00123 } // NLSOOUND
+00124 
+00125 #endif // NL_BACKGROUND_SOURCE_H
+
background_source.h
