oasisentity.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    : oasisEntity.cpp
 * DESCRIPTION : Entity instance
 * AUTHOR      : Zephie Greyvenstein
 *****************************************************************************/

#include "oasisEntity.h"
#include "oasisGraphicsSystem.h"

#include "OgreEntity.h"
#include "OgreSceneNode.h"
#include "OgreSceneManager.h"

namespace Oasis {
  
  entity::entity( ) {
    ogreEntity = NULL;
    attached = NULL;
  }
  
  entity::~entity( ) {
    clear( );
  }
  
  void entity::setAllMaterials( const string &materialName ) {
    ogreEntity->setMaterialName( materialName );
  }

  void entity::setEntity( const string &newEntity,
        const string &uniqueName ) {
    ogreEntity = graphicsSystem::get( ).getSceneManager( )->
      createEntity( uniqueName, newEntity + ".mesh" );

    if ( !ogreEntity ) {
      oasisError( exception::ET_ITEM_NOT_FOUND,
      "Entity could not be created",
      "entity::setEntity" );
    }

    entityName = newEntity;
  }

  void entity::clear( void ) {
    if ( ogreEntity ) {
      detachFromNode( );
      graphicsSystem::get( ).getSceneManager( )->removeEntity( ogreEntity );
      ogreEntity = NULL;
      entityName = "";
    }
  }

  void entity::attachToNode( Ogre::SceneNode *node ) {
    if ( attached ) {
      detachFromNode( );
    }
    
    node->attachObject( ogreEntity );
    attached = node;
  }

  void entity::detachFromNode( void ) {
    if ( attached ) {
      attached->detachObject( ogreEntity->getName( ) );
      attached = NULL;
    }
  }      
}