source: OGRE/trunk/ogrenew/OgreMain/src/OgreExternalTextureSourceManager.cpp @ 692

/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program 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 of the License, or (at your option) any later
version.

This program 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/

/***************************************************************************
OgreExternalTextureSourceManager.cpp  -  
        Implementation of the manager class

-------------------
date                 : Jan 1 2004
email                : pjcast@yahoo.com
***************************************************************************/

#include "OgreStableHeaders.h"
#include "OgreExternalTextureSourceManager.h"
#include "OgreLogManager.h"


namespace Ogre 
{
        //****************************************************************************************
    template<> ExternalTextureSourceManager* Singleton<ExternalTextureSourceManager>::ms_Singleton = 0;
    ExternalTextureSourceManager* ExternalTextureSourceManager::getSingletonPtr(void)
    {
        return ms_Singleton;
    }
    ExternalTextureSourceManager& ExternalTextureSourceManager::getSingleton(void)
    {  
        assert( ms_Singleton );  return ( *ms_Singleton );  
    }
        //****************************************************************************************

        //****************************************************************************************
        ExternalTextureSourceManager::ExternalTextureSourceManager()
        {
                mpCurrExternalTextureSource = 0;
        }

        //****************************************************************************************
        ExternalTextureSourceManager::~ExternalTextureSourceManager()
        {
                mTextureSystems.clear();
        }

        //****************************************************************************************
        
        void ExternalTextureSourceManager::setCurrentPlugIn( const String& sTexturePlugInType )
        {
                TextureSystemList::iterator i;
                        
                for( i = mTextureSystems.begin(); i != mTextureSystems.end(); ++i )
                {
                        if( i->first == sTexturePlugInType )
                        {
                                mpCurrExternalTextureSource = i->second;
                                mpCurrExternalTextureSource->initialise();      //Now call overridden Init function
                                return;
                        }
                }
                mpCurrExternalTextureSource = 0;
                LogManager::getSingleton().logMessage( "ExternalTextureSourceManager::SetCurrentPlugIn(ENUM) failed setting texture plugin ");
        }

        //****************************************************************************************
        void ExternalTextureSourceManager::destroyAdvancedTexture( const String& sTextureName,
                const String& groupName )
        {
                TextureSystemList::iterator i;
                for( i = mTextureSystems.begin(); i != mTextureSystems.end(); ++i )
                {
                        //Broadcast to every registered System... Only the true one will destroy texture
                        i->second->destroyAdvancedTexture( sTextureName, groupName );
                }
        }

        //****************************************************************************************
        void ExternalTextureSourceManager::setExternalTextureSource( const String& sTexturePlugInType, ExternalTextureSource* pTextureSystem )
        {
                LogManager::getSingleton().logMessage( "Registering Texture Controller: Type = "
                                                + sTexturePlugInType + " Name = " + pTextureSystem->getPlugInStringName());

                TextureSystemList::iterator i;
                        
                for( i = mTextureSystems.begin(); i != mTextureSystems.end(); ++i )
                {
                        if( i->first == sTexturePlugInType )
                        {
                                LogManager::getSingleton().logMessage( "Shutting Down Texture Controller: " 
                                                + i->second->getPlugInStringName() 
                                                + " To be replaced by: "
                                                + pTextureSystem->getPlugInStringName());

                                i->second->shutDown();                          //Only one plugIn of Sent Type can be registered at a time
                                                                                                        //so shut down old plugin before starting new plugin
                                i->second = pTextureSystem;
                                // **Moved this line b/c Rendersystem needs to be selected before things
                                // such as framelistners can be added
                                // pTextureSystem->Initialise();
                                return;
                        }
                }
                mTextureSystems[sTexturePlugInType] = pTextureSystem;   //If we got here then add it to map
        }

        //****************************************************************************************
        ExternalTextureSource* ExternalTextureSourceManager::getExternalTextureSource( const String& sTexturePlugInType )
        {
                TextureSystemList::iterator i;
                for( i = mTextureSystems.begin(); i != mTextureSystems.end(); ++i )
                {
                        if( i->first == sTexturePlugInType )
                                return i->second;
                }
                return 0;
        }

        //****************************************************************************************

}  //End Ogre Namespace