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

   1 #include "global.h"
   2 #include "morph_renderer.h"
   3 #include "object.h"
   4 #include "scene.h"
   5 #include "shader.h"
   6 #include "shader_manager.h"
   7 #include "texture.h"
   8
   9 MorphRenderer::MorphRenderer()
  10 {
  11         scene = 0;
  12         camera = 0;
  13         sprog = 0;
  14
  15         /* we won't use them */
  16         skytex = 0;
  17         dskytex = 0;
  18
  19         fog_density = 0;
  20 }
  21
  22 MorphRenderer::~MorphRenderer()
  23 {
  24 }
  25
  26 bool MorphRenderer::create()
  27 {
  28         if(!(sprog = sdr_man->create_shader_program("morphing.v.glsl", "morphing.f.glsl"))) {
  29                 return false;
  30         }
  31
  32         /* getting material uniform locations: diffuse, specular, specular exponent (strength) */
  33
  34         diff_loc = sprog->get_uniform_location("diffuse");
  35         spec_loc = sprog->get_uniform_location("specular");
  36         shin_loc = sprog->get_uniform_location("shininess");
  37         t_loc = sprog->get_uniform_location("t");
  38         fog_loc = sprog->get_uniform_location("fog_density");
  39
  40         /* uniform locations for matrices */
  41
  42         mmviewproj_loc = sprog->get_uniform_location("mmviewproj");
  43         mview_loc = sprog->get_uniform_location("mview");
  44         mmod_loc = sprog->get_uniform_location("mmod");
  45
  46         dstex_loc = sprog->get_uniform_location("dstex");
  47         if(dstex_loc != -1)
  48                 sprog->set_uniformi(dstex_loc, 1);
  49
  50         return true;
  51 }
  52
  53 void MorphRenderer::draw() const
  54 {
  55         if(!camera || !scene)
  56                 return;
  57
  58         if(!sprog->link())
  59                 return;
  60
  61         if(dskytex) {
  62                 dskytex->bind(1);
  63         }
  64
  65         sprog->use();
  66
  67         for(size_t i=0; i<scene->objects.size(); i++) {
  68                 float t = (sin(time_sec + 7.3 * noise(i * M_PI)) + 1) * 0.5;
  69                 if(t_loc != -1)
  70                         sprog->set_uniformf(t_loc, t);
  71
  72                 if(mmod_loc != -1)
  73                         sprog->set_uniform_matrix(mmod_loc, scene->objects[i]->transform.upper3x3());
  74
  75                 draw_object(scene->objects[i]);
  76         }
  77 }