/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2016 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth 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, see <http://www.gnu.org/licenses/>
 */
#ifndef OSGEARTH_BUILDINGS_INSTANCED_ROOF_COMPILER_H
#define OSGEARTH_BUILDINGS_INSTANCED_ROOF_COMPILER_H

#include "Compiler"
#include "CompilerOutput"
#include "Building"
#include <osgEarth/Session>
#include <osg/Geode>

namespace osgEarth { namespace Buildings
{
    using namespace osgEarth;

    /**
     * Compiles a instanced roof, i.e. an external model from the resource
     * library that is scaled, rotated, and translated into position 
     * according to the feature's footprint.
     */
    class OSGEARTHBUILDINGS_EXPORT InstancedRoofCompiler : public Compiler
    {
    public:
        InstancedRoofCompiler(Session* session) : _session(session) { }

    public:
        virtual bool compile(
            CompilerOutput&       output,
            const Building*       building,
            const Elevation*      elevation,            
            const osg::Matrix&    world2local,
            const osgDB::Options* readOptions) const;

    protected:
        osg::ref_ptr<Session> _session;
    };
} }

#endif // OSGEARTH_BUILDINGS_INSTANCED_ROOF_COMPILER_H
