git.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
  37         /* uniform locations for matrices */
  38
  39         mmviewproj_loc = sprog->get_uniform_location("mmviewproj");
  40         mview_loc = sprog->get_uniform_location("mview");
  41
  42         return true;
  43 }
  44
  45 void MorphRenderer::draw() const
  46 {
  47         if(!camera || !scene)
  48                 return;
  49
  50         if(!sprog->link())
  51                 return;
  52
  53         sprog->use();
  54
  55         for(size_t i=0; i<scene->objects.size(); i++) {
  56                 draw_object(scene->objects[i]);
  57         }
  58 }
  59
  60 void MorphRenderer::draw_object(Object *object) const
  61 {
  62         float t =  (sin(time_sec) + 1) * 0.5;
  63
  64         if(t_loc != -1)
  65                 sprog->set_uniformf(t_loc, t);
  66
  67         Renderer::draw_object(object);
  68 }