eleni.mutantstargoat.com Git - demo/blob - src/morph_renderer.cc

   1 #include "global.h"
   2 #include "morph_renderer.h"
   3 #include "scene.h"
   4 #include "shader.h"
   5 #include "shader_manager.h"
   6
   7 MorphRenderer::MorphRenderer()
   8 {
   9         scene = 0;
  10         camera = 0;
  11         sprog = 0;
  12
  13         /* we won't use them */
  14         skytex = 0;
  15         dskytex = 0;
  16
  17         fog_density = 0;
  18 }
  19
  20 MorphRenderer::~MorphRenderer()
  21 {
  22 }
  23
  24 bool MorphRenderer::create()
  25 {
  26         if(!(sprog = sdr_man->create_shader_program("morphing.v.glsl", "morphing.f.glsl"))) {
  27                 return false;
  28         }
  29
  30         /* getting material uniform locations: diffuse, specular, specular exponent (strength) */
  31
  32         diff_loc = sprog->get_uniform_location("diffuse");
  33         spec_loc = sprog->get_uniform_location("specular");
  34         shin_loc = sprog->get_uniform_location("shininess");
  35         t_loc = sprog->get_uniform_location("t");
  36         fog_loc = sprog->get_uniform_location("fog_density");
  37
  38         /* uniform locations for matrices */
  39
  40         mmviewproj_loc = sprog->get_uniform_location("mmviewproj");
  41         mview_loc = sprog->get_uniform_location("mview");
  42
  43         return true;
  44 }
  45
  46 void MorphRenderer::draw() const
  47 {
  48         if(!camera || !scene)
  49                 return;
  50
  51         if(!sprog->link())
  52                 return;
  53
  54         sprog->use();
  55
  56         for(size_t i=0; i<scene->objects.size(); i++) {
  57                 draw_object(scene->objects[i]);
  58         }
  59 }
  60
  61 void MorphRenderer::draw_object(Object *object) const
  62 {
  63         float t =  (sin(time_sec) + 1) * 0.5;
  64
  65         if(t_loc != -1)
  66                 sprog->set_uniformf(t_loc, t);
  67
  68         Renderer::draw_object(object);
  69 }