// bobject.cpp -- the base class for objects in a flightgear scenery tile
//
// Written by Frederic Bouvier, started February 2002.
//
// Copyright (C) 2002  Frederic Bouvier - fredb@users.sourceforge.net
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id: bobject.cpp,v 1.15 2005/05/09 07:01:49 fredb Exp $

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "rgbimage.hpp"
#include "bobject.hpp"

#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props_io.hxx>

#include "preferences.hpp"

extern FGSD_Preferences generalPreferences;

class FGSD_Tile;

SGPropertyNode FGSD_BaseObject::_materials;
bool FGSD_BaseObject::_materialInit = false;
FGSD_BaseObject::MaterialColorMap FGSD_BaseObject::_materialColorMap;
double FGSD_BaseObject::_factor = 1.0;

FGSD_BaseObject::FGSD_BaseObject( FGSD_Tile *__tile, ObjectType __type )
   :  _type( __type )
   ,  _modified( false )
   ,  _tile( __tile )
{
   if ( !_materialInit )
      {
      SGPath fgRoot = generalPreferences.fgRootPath();
      SGPath materialPath = fgRoot;
      materialPath.append( "materials.xml" );

      readProperties( materialPath.str(), &_materials );

      std::vector<SGPropertyNode_ptr> mats = _materials.getChildren( "material" );
      for ( std::vector<SGPropertyNode_ptr>::iterator im = mats.begin(); im != mats.end(); ++im )
         {
         SGPropertyNode *mat = *im;
         SGPropertyNode *texture = mat->getChild( "texture" );
         if ( texture )
            {
            float red = 0.0,
                  green = 0.0,
                  blue = 0.0;
            FGSD_RGBImage rgb;
            loadRGBTexture( rgb, fgRoot, texture->getStringValue() );
            rgb.getAverageColor( red, green, blue );
            Color texcolor( red, green, blue );

            std::vector<SGPropertyNode_ptr> names = mat->getChildren( "name" );
            size_t n = names.size();
            for ( size_t i = 0; i < n; i++ )
               {
               SGPropertyNode *name = names[ i ];
               _materialColorMap[ name->getStringValue() ] = texcolor;
               }
            }
         }

      _materialInit = true;
      }
}

FGSD_BaseObject::~FGSD_BaseObject()
{
}

void FGSD_BaseObject::loadRGBTexture( FGSD_Image &rgb, const SGPath &fgRoot, const char *name )
{
   SGPath texpath = fgRoot;
   texpath.append( "Textures" );
   texpath.append( name );
   rgb.load( texpath.c_str() );
}