building.h

/*--License:
        Lilith 3D Engine
        Copyright Lee Thomason (Grinning Lizard Software) 2002-2007
        www.grinninglizard.com/lilith

        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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

        The full text of the license can be found in license.txt
*/

#ifndef LILITH3D_BUILDING_INCLUDED
#define LILITH3D_BUILDING_INCLUDED

#include "mesh.h"
#include "../grinliz/glutil.h"
#include "meshresource.h"

namespace lilith3d
{

class BuildingMesh : public StaticMesh
{
        friend class lilith3d::TerrainMesh;

  protected:
        BuildingMesh(   const StaticResource* meshResource,
                                        const grinliz::Vector3F& position );    // integer values - must be patch aligned

  public:
        virtual ~BuildingMesh();

        // Terrain callback to change the z value.
        virtual void UpdateZ( float z );

        virtual void StreamOutMesh( ELightPass light, EPass pass );

        const grinliz::Rectangle2I& VertexBounds() const        { return vertexBounds; }

        /*      Terrain to building connectcion. Input is a head/tail vertex pair,
                output is point the pather should use for cross-over.
        */
        PathSurfaceInstance* GetPadPSIFromVertex( int tail, int head, grinliz::Vector2F* a0 );

        /*      Terrain to building connection. Is a particular segment valid? */
        //PathSurfaceInstance* GetPadPSI( const grinliz::Vector2F& a0, const grinliz::Vector2F& a1, grinliz::Vector2F* out );

        /*      Terrain to building connection. Take anything at the point */
        PathSurfaceInstance* GetPadPSI( float x, float y );

        virtual void IntersectRay(      int flags, 
                                                                const grinliz::Vector3F& point, 
                                                                const grinliz::Vector3F& dir, 
                                                                LilithObjectList* vec );

        // Note this bit of evil - buildings can not be positioned or rotated after creation.
        virtual void SetPosV( const grinliz::Vector3F& _newLoc, const grinliz::Matrix4& _newRot )       {
                GLASSERT( 0 );  // Does no harm, but you probably didn't mean to call this.
        }

  private:
        void StreamOutPather();

        grinliz::Rectangle2I vertexBounds;
        grinliz::Rectangle2I mapBounds;

        //TerrainConnectorVector terrainConnectors;
        PSIVector psiVector;
};
};
#endif

---