quick backup

[demo] / src / renderer.cc

diff --git a/src/renderer.cc b/src/renderer.cc
index 10dd766..fd18d55 100644 (file)
--- a/src/renderer.cc
+++ b/src/renderer.cc
@@ -14,6 +14,8 @@
 #include "shader_manager.h"
 #include "texture.h"
 
+#undef DRAW_NORMALS
+
 /* skybox */
 
 static Mesh *skymesh; /* it will be used by many renderers => no destroy */
@@ -28,6 +30,8 @@ Renderer::Renderer()
 
        skytex = 0;
        dskytex = 0;
+
+       fog_density = 0;
 }
 
 Renderer::~Renderer()
@@ -36,38 +40,38 @@ Renderer::~Renderer()
 
 bool Renderer::create()
 {
+       //debug
+       // if(!(nprog = sdr_man->create_shader_program("debug.v.glsl", "debug.f.glsl"))) {
+       //      fprintf(stderr, "Failed to load debug shaders.\n");
+       // }
+
        if(!(sprog = sdr_man->create_shader_program("default.v.glsl", "default.f.glsl"))) {
                return false;
        }
 
        /* getting material uniform locations: diffuse, specular, specular exponent (strength) */
 
-       if((diff_loc = sprog->get_uniform_location("diffuse")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"diffuse\".\n");
-               return false;
-       }
+       diff_loc = sprog->get_uniform_location("diffuse");
+       spec_loc = sprog->get_uniform_location("specular");
+       shin_loc = sprog->get_uniform_location("shininess");
+       fog_loc = sprog->get_uniform_location("fog_density");
 
-       if((spec_loc = sprog->get_uniform_location("specular")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"specular\".\n");
-               return false;
-       }
+       /* uniform locations for matrices */
 
-       if((shin_loc = sprog->get_uniform_location("shininess")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"shininess\".\n");
-               return false;
-       }
+       mmviewproj_loc = sprog->get_uniform_location("mmviewproj");
+       mview_loc = sprog->get_uniform_location("mview");
+       mmod_loc = sprog->get_uniform_location("mmod");
 
-       /* uniform locations for matrices */
+       /* skybox, irradiance map uniforms */
 
-       if((mmviewproj_loc = sprog->get_uniform_location("mmviewproj")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"mmviewproj\".\n");
-               return false;
-       }
+       stex_loc = sprog->get_uniform_location("stex");
+       dstex_loc = sprog->get_uniform_location("dstex");
 
-       if((mview_loc = sprog->get_uniform_location("mview")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"mview\".\n");
-               return false;
-       }
+       if(stex_loc != -1)
+               sprog->set_uniformi(stex_loc, 0);
+
+       if(dstex_loc != -1)
+               sprog->set_uniformi(dstex_loc, 1);
 
        return true;
 }
@@ -77,6 +81,14 @@ void Renderer::draw() const
        if(!camera || !scene)
                return;
 
+       if(skytex) {
+               draw_skybox();
+
+               if(dskytex) {
+                       dskytex->bind(1);
+               }
+       }
+
        if(!sprog->link())
                return;
 
@@ -93,25 +105,50 @@ void Renderer::draw_object(Object *object) const
 
        /* setting uniforms for material */
 
-       sprog->set_uniformf(diff_loc, m->diffuse.x, m->diffuse.y, m->diffuse.z, 1);
-       sprog->set_uniformf(spec_loc, m->specular.x, m->specular.y, m->specular.z, 1);
-       sprog->set_uniformf(shin_loc, m->shininess);
+       if(diff_loc != -1)
+               sprog->set_uniformf(diff_loc, m->diffuse.x, m->diffuse.y, m->diffuse.z, 1);
+
+       if(spec_loc != -1)
+               sprog->set_uniformf(spec_loc, m->specular.x, m->specular.y, m->specular.z, 1);
+
+       if(shin_loc != -1)
+               sprog->set_uniformf(shin_loc, m->shininess);
+
+       if(fog_loc != -1)
+               sprog->set_uniformf(fog_loc, fog_density);
 
        /* texture */
 
        if(m->dtex)
-               m->dtex->bind();
+               m->dtex->bind(0);
 
        /* setting uniforms for matrices */
 
        Mat4 mmviewproj = object->transform * camera->get_view_matrix() * mprojection;
-       sprog->set_uniform_matrix(mmviewproj_loc, mmviewproj);
+       if(mmviewproj_loc != -1)
+               sprog->set_uniform_matrix(mmviewproj_loc, mmviewproj);
 
        Mat4 mview = object->transform * camera->get_view_matrix();
-       sprog->set_uniform_matrix(mview_loc, mview);
+       if(mview_loc != -1)
+               sprog->set_uniform_matrix(mview_loc, mview);
+
+       Mat4 mmod = object->transform.upper3x3();
+       if(mmod_loc != -1)
+               sprog->set_uniform_matrix(mmod_loc, mmod);
 
-       object->mesh->update_vertex_data();
        object->mesh->draw();
+
+       // debug
+#ifdef DRAW_NORMALS
+       if(nprog) {
+               int loc = nprog->get_uniform_location("mmviewproj");
+               if(loc != -1) {
+                       nprog->set_uniform_matrix(loc, mmviewproj);
+               }
+               nprog->use();
+               object->mesh->draw_normals(1.0);
+       }
+#endif
 }
 
 void Renderer::set_sky_tex(Texture *stex)
@@ -123,7 +160,7 @@ void Renderer::set_sky_tex(Texture *stex)
        if(!skyprog) {
                if(!(skyprog = sdr_man->create_shader_program("sky.v.glsl", "sky.f.glsl")))
                        return;
-               if((viewproj_loc = skyprog->get_uniform_location("viewproj") == -1))
+               if((viewproj_loc = skyprog->get_uniform_location("mviewproj") == -1))
                        return;
        }
        skytex = stex;
@@ -134,11 +171,14 @@ void Renderer::set_diffuse_sky_tex(Texture *dstex)
        dskytex = dstex;
 }
 
-void Renderer::draw_skybox()
+void Renderer::draw_skybox() const
 {
        if(!skymesh || !skytex)
                return;
 
+       gfx_zbuffer(false);
+       gfx_cull_face(GFX_CULL_NONE);
+
        skytex->bind();
        skyprog->use();
 
@@ -147,4 +187,7 @@ void Renderer::draw_skybox()
        skyprog->set_uniform_matrix(viewproj_loc, mviewproj);
 
        skymesh->draw();
+
+       gfx_cull_face(GFX_CULL_BACK);
+       gfx_zbuffer(true);
 }
\ No newline at end of file