simgear/scene/tgdb/ShaderGeometry.hxx

   1 /* -*-c++-*-
   2  *
   3  * Copyright (C) 2008 Stuart Buchanan
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  18  * MA 02110-1301, USA.
  19  *
  20  */
  21
  22 #ifndef SHADER_GEOMETRY_HXX
  23 #define SHADER_GEOMETRY_HXX 1
  24
  25 #include <vector>
  26
  27 #include <osg/BoundingBox>
  28 #include <osg/CopyOp>
  29 #include <osg/Drawable>
  30 #include <osg/Geometry>
  31 #include <osg/RenderInfo>
  32 #include <osg/Vec3>
  33 #include <osg/Vec4>
  34
  35 #include "TreeBin.hxx"
  36
  37 namespace simgear
  38 {
  39
  40 class ShaderGeometry : public osg::Drawable
  41 {
  42     public:
  43         ShaderGeometry()
  44         {
  45           setUseDisplayList(false);
  46         }
  47
  48         ShaderGeometry(int v) :
  49           varieties(v)
  50         {
  51           setUseDisplayList(false);
  52         }
  53
  54         /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
  55         ShaderGeometry(const ShaderGeometry& ShaderGeometry,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
  56             osg::Drawable(ShaderGeometry,copyop) {}
  57
  58         META_Object(flightgear, ShaderGeometry);
  59
  60         typedef std::vector<osg::Vec4> PositionSizeList;
  61
  62         virtual void drawImplementation(osg::RenderInfo& renderInfo) const;
  63         virtual osg::BoundingBox computeBound() const;
  64
  65
  66         void setGeometry(osg::Drawable* geometry)
  67         {
  68             _geometry = geometry;
  69         }
  70
  71         void addTree(TreeBin::Tree tree)
  72         {
  73             _trees.push_back(tree);
  74         }
  75
  76         osg::ref_ptr<osg::Drawable> _geometry;
  77
  78         TreeBin::TreeList _trees;
  79         int varieties;
  80
  81     protected:
  82
  83         virtual ~ShaderGeometry() {}
  84
  85 };
  86
  87 }
  88 #endif