oasisaudible.cpp

使用stl技术,(还没看,是听说的)

/******************************************************************************
 * This source file is part of Bad Camel Gaming
 * Copyright (C) 2003  Zephie Greyvenstein
 * See Readme.html for acknowledgements
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *****************************************************************************/

/******************************************************************************
 * FILENAME    : oasisAudible.cpp
 * DESCRIPTION : An audible object
 * AUTHOR      : Zephie Greyvenstein
 *****************************************************************************/

#include "oasisAudible.h"
#include "oasisSoundSystem.h"
#include "oasisSound.h"
#include "oasisException.h"

namespace Oasis {
  
  audible::audible( ) {  
    sounds.clear( );
  }
  
  audible::~audible( ) {
    removeAndDestroyAllSounds( );
  }
  
  sound *audible::addSound( const string &name, const string &templateName ) {
    // If there is no sound system, error. Perhaps we could start it?
    if ( !soundSystem::getPtr( ) ) {
      oasisError( exception::ET_INTERNAL_ERROR,
      "To include sounds in audibles, start the sound system",
      "audible::addSound" );
    }
    
    sound *object = soundSystem::get( ).
      createSound( soundSystem::get( ).getNextUniqueName( ),
       templateName );
    addSound( name, object );
    return object;
  }
  
  void audible::addSound( const string &name, sound *soundObject ) {
    if ( !soundObject ) {
      oasisError( exception::ET_NULL_POINTER,
      "Sound was null",
      "audible::addSound" );
    }

    _processNewSound( soundObject );
    sounds[ name ] = soundObject;
  }

 sound *audible::getSound( const string &name ) {
   // Find sound
   soundMap::iterator it = sounds.find( name );
   
   if ( it == sounds.end( ) ) {   
     oasisError( exception::ET_ITEM_NOT_FOUND,
     "Sound item " + name + " not found",
     "audible::getSound" );    
   } else {
     return it->second;
   }    
 }

  sound *audible::playSound( const string &name ) {
    sound *object = getSound( name );
    object->play( );

    return object;
  }       

  sound *audible::stopSound( const string &name ) {
    sound *object = getSound( name );  
    object->stop( );
    
    return object;
  }

  void audible::stopAllSounds( void ) {
    // Stop everything
    for( soundMap::iterator it = sounds.begin( );
   it != sounds.end( ); ++it ) {
      ( it->second )->stop( );
    }
  }

  void audible::removeAllSounds( void ) {
    stopAllSounds( );
    sounds.clear( );
  }

  void audible::removeAndDestroyAllSounds( void ) {
    // Destroy everything
    for( soundMap::iterator it = sounds.begin( );
   it != sounds.end( ); ++it ) {
      soundSystem::get( ).removeSound( it->second );
    }
    sounds.clear( );
  }

  void audible::removeSound( const string &name ) {   
    sounds.erase( name );
  }

  void audible::removeAndDestroySound( const string &name ) {
    sound *object = getSound( name );
    soundSystem::get( ).removeSound( object );
    sounds.erase( name );
  }
  
  audible::soundIterator audible::getSoundIterator( void ) {
    return soundIterator( sounds.begin( ), sounds.end( ) );
  }

  void audible::_setSoundPosition( sound *soundObject,
           const vector3 &newPosition ) {
    soundObject->setPosition( newPosition );
  }

  void audible::_setAllSoundPositions( const vector3 &newPosition ) {
    for ( soundMap::iterator it = sounds.begin( );
    it != sounds.end( ); ++it ) {
      it->second->setPosition( newPosition );
    }
  }
}