source/geometrybuilder.h

   1 /* $Id$
   2
   3 This file is part of libmspgl
   4 Copyright © 2011  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #ifndef MSP_GL_GEOMETRYBUILDER_H_
   9 #define MSP_GL_GEOMETRYBUILDER_H_
  10
  11 namespace Msp {
  12 namespace GL {
  13
  14 class Mesh;
  15 class PrimitiveBuilder;
  16
  17 class GeometryBuilder
  18 {
  19 public:
  20         enum TextureFit
  21         {
  22                 STRETCH,
  23                 CROP,
  24                 WRAP
  25         };
  26
  27 protected:
  28         int tangent_attr;
  29         int binormal_attr;
  30         TextureFit tex_fit;
  31
  32         GeometryBuilder();
  33
  34 public:
  35         GeometryBuilder &tangent(unsigned);
  36         GeometryBuilder &binormal(unsigned);
  37         GeometryBuilder &texture_fit(TextureFit);
  38 protected:
  39         void adjust_texture_scale(float &, float &, float, float) const;
  40
  41 public:
  42         virtual void build(PrimitiveBuilder &) const = 0;
  43         void build(Mesh &) const;
  44 };
  45
  46 } // namespace GL
  47 } // namespace Msp
  48
  49 #endif