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

Copyright (c) 2000-2006 Torus Knot Software Ltd
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.

You may alternatively use this source under the terms of a specific version of
the OGRE Unrestricted License provided you have obtained such a license from
Torus Knot Software Ltd.
-----------------------------------------------------------------------------
*/
#ifndef __OLDMATERIALREADER_H__
#define __OLDMATERIALREADER_H__

#include "Ogre.h"

using namespace Ogre;

/// Function def for material attribute parser.
typedef void (*MATERIAL_ATTRIB_PARSER)(StringVector::iterator&, int, MaterialPtr&);
/// Function def for texture layer attribute parser.
typedef void (*TEXLAYER_ATTRIB_PARSER)(StringVector::iterator&, int, MaterialPtr&, TextureUnitState*);
/** Class for reading pre-0.13 material scripts
*/
class OldMaterialReader 
{
protected:
    void parseNewTextureLayer( DataStreamPtr& stream, MaterialPtr& pMat );
    void parseAttrib( const String& line, MaterialPtr& pMat);
    void parseLayerAttrib( const String& line, MaterialPtr& pMat, TextureUnitState* pLayer );

    /// Keyword-mapped attribute parsers.
    typedef std::map<String, MATERIAL_ATTRIB_PARSER> MatAttribParserList;
    MatAttribParserList mMatAttribParsers;
    /// Keyword-mapped attribute parsers.
    typedef std::map<String, TEXLAYER_ATTRIB_PARSER> LayerAttribParserList;
    LayerAttribParserList mLayerAttribParsers;


public:
    /** Default constructor.
    */
    OldMaterialReader();
    ~OldMaterialReader();

    /** Parses a Material script file passed as a stream.
    */
    void parseScript(DataStreamPtr& stream);

};

#endif
