arssound.cpp

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#include "SdlArs.h"

namespace Ars
{
static int      cnt = 0;

Sounds::Sounds( void )
: loop( 0 ) , ticks( -1 ) , channel( 0 ) , wave( 0 ) , id( ++cnt )
{
}

Sounds::~Sounds( void )
{
        if( wave )
                Mix_FreeChunk( wave );
        wave = 0;
}

void Sounds::Configure( const int aChannel , const int nr , const int aTicks )
{
        if( nr != -2 )
                loop = nr;
        if( aChannel != -2 )
                channel = aChannel;
        if( aTicks != -2 )
                ticks = aTicks;
}

void Sounds::Play( const int aChannel , const int nr , const int aTicks )
{
        Configure( aChannel , nr , aTicks );
        if( wave )
                Mix_PlayChannelTimed( channel , wave , loop , ticks );
}

const bool Sounds::Load( const string &aSection , const string &akey , string aCfgFile  )
{
        if( aCfgFile.empty() )
                aCfgFile = Cfg::GetCfg().GetCfgFile( "Paths" , "sounds" );
        Cfg::Handler &h = Cfg::GetCfg( aCfgFile );

        return Load( h.GetCfgFile( aSection , akey ) );
}

const bool Sounds::Load( const string &aFilename )
{
        if( wave )
                Mix_FreeChunk( wave );

        wave = Mix_LoadWAV( aFilename.c_str() );
        return wave != 0;
}

std::map<icstring , Sounds *>   soundList;

Sounds  emptySound;

Sounds &GetSound( const icstring &name )
{
        std::map<icstring , Sounds *>::iterator pos = soundList.find( name );

        if( pos == soundList.end() )
                return emptySound;
        return *pos->second;
}
Sounds &AddSound( const icstring &name , const string &aSection , const string &akey , string aCfgFile )
{
        if( GetSound( name ) == emptySound )
        {
                Sounds  *s = new Sounds();
                s->Load( aSection , akey , aCfgFile );
                soundList.insert( make_pair( name , s ) );
        }
        return GetSound( name );
}

Sounds &AddSound( const icstring &name , const string &aFilename )
{
        if( !GetSound( name ) )
        {
                Sounds  *s = new Sounds();
                s->Load( aFilename );
                soundList.insert( make_pair( name , s ) );
        }
        return GetSound( name );
}

void UnloadSounds( void )
{
        for(  std::map<icstring , Sounds *>::iterator it = soundList.begin() ; it != soundList.end() ; ++it )
                delete it->second;
        soundList.clear();
}

void Preload( const icstring &aSection )
{
        Cfg::Handler    &h = Cfg::GetCfg( "@sounds" );
        Rsrc    res( Cfg::GetCfg().GetCfgString( "Paths" , "Sounds" ) );
        string  path = h.GetPath();

        icstring        tmp = icstring( aSection.c_str() );
        tmp = res.FindCombination( tmp );
        icstring        snd = strip( tmp );

        while( !snd.empty() )
        {
                icstring        sndDef = Rsrc::GetList( snd );
                if( !sndDef.empty() )
                {
                        icstring        name = Rsrc::GetId( sndDef );
                        string  fname =  path + Rsrc::GetStr( sndDef ).c_str();
                        AddSound( name , fname );
                }
        }
}

}

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