X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Feffects%2Fsky.cpp;h=be4896fbbd9e725632d5d1dfd8f3fdf0fd9df140;hp=23819db36c006cb1f8cb8d53f67cb922686810f1;hb=HEAD;hpb=cd5f37b066352119cf92d53d0001af7ff99be437

diff --git a/source/effects/sky.cpp b/source/effects/sky.cpp
index 23819db3..be4896fb 100644
--- a/source/effects/sky.cpp
+++ b/source/effects/sky.cpp
@@ -1,6 +1,7 @@
 #include <msp/geometry/hypersphere.h>
 #include <msp/geometry/ray.h>
-#include "light.h"
+#include "directionallight.h"
+#include "error.h"
 #include "mesh.h"
 #include "renderer.h"
 #include "resources.h"
@@ -12,18 +13,19 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-Sky::Sky(Renderable &r, Light &s):
-	Effect(r),
+Sky::Sky(Renderable &c, DirectionalLight &s):
+	Effect(c),
 	sun(s),
-	transmittance_lookup(128, 64, (RENDER_COLOR, RGB16F)),
+	transmittance_lookup(128, 64, (COLOR_ATTACHMENT,RGBA16F)),
 	transmittance_shprog(Resources::get_global().get<Program>("_sky_transmittance.glsl.shader")),
 	transmittance_lookup_dirty(true),
-	distant(256, 128, (RENDER_COLOR, RGB16F)),
+	distant(256, 128, (COLOR_ATTACHMENT,RGBA16F)),
 	distant_shprog(Resources::get_global().get<Program>("_sky_distant.glsl.shader")),
 	fullscreen_mesh(Resources::get_global().get<Mesh>("_fullscreen_quad.mesh")),
 	backdrop_shprog(Resources::get_global().get<Program>("_sky_backdrop.glsl.shader")),
 	sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp")),
 	wrap_sampler(Resources::get_global().get<Sampler>("_linear_clamp_v.samp")),
+	dummy_texture(Resources::get_global().get<Texture>("_placeholder.png")),
 	rendered(false)
 {
 	shdata.uniform("n_steps", 50);
@@ -97,25 +99,32 @@ void Sky::setup_frame(Renderer &renderer)
 	rendered = true;
 
 	shdata.uniform("light_color", sun.get_color());
-	shdata.uniform("light_dir", sun.get_position().slice<3>(0));
-	sun.set_transmittance(get_transmittance(normalize(sun.get_position().slice<3>(0))));
+	shdata.uniform("light_dir", -sun.get_direction());
+	sun.set_transmittance(get_transmittance(-sun.get_direction()));
 
-	Renderer::Push push(renderer);
-
-	if(transmittance_lookup_dirty)
 	{
-		transmittance_lookup_dirty = false;
-		renderer.set_framebuffer(&transmittance_lookup.get_framebuffer());
-		renderer.set_shader_program(&transmittance_shprog, &shdata);
+		Renderer::Push push(renderer);
+
+		renderer.add_shader_data(shdata);
+
+		if(transmittance_lookup_dirty)
+		{
+			transmittance_lookup_dirty = false;
+			renderer.set_pipeline_key(this);
+			renderer.set_framebuffer(&transmittance_lookup.get_framebuffer());
+			renderer.set_shader_program(&transmittance_shprog);
+			renderer.set_texture("transmittance_lookup", &dummy_texture, &sampler);
+			fullscreen_mesh.draw(renderer);
+		}
+
+		renderer.set_pipeline_key(this, 1);
+		renderer.set_framebuffer(&distant.get_framebuffer());
+		renderer.set_shader_program(&distant_shprog);
+		renderer.set_texture("transmittance_lookup", &transmittance_lookup.get_target_texture(0), &sampler);
 		fullscreen_mesh.draw(renderer);
 	}
 
-	renderer.set_framebuffer(&distant.get_framebuffer());
-	renderer.set_shader_program(&distant_shprog, &shdata);
-	renderer.set_texture("transmittance_lookup", &transmittance_lookup.get_target_texture(0), &sampler);
-	fullscreen_mesh.draw(renderer);
-
-	renderable.setup_frame(renderer);
+	content.setup_frame(renderer);
 }
 
 void Sky::finish_frame()
@@ -123,16 +132,20 @@ void Sky::finish_frame()
 	if(rendered)
 	{
 		rendered = false;
-		renderable.finish_frame();
+		content.finish_frame();
 	}
 }
 
 void Sky::render(Renderer &renderer, Tag tag) const
 {
-	renderable.render(renderer, tag);
+	content.render(renderer, tag);
+
+	if(!is_enabled_for_method(tag))
+		return;
 
 	Renderer::Push push(renderer);
 
+	renderer.set_pipeline_key(this, 2);
 	renderer.set_shader_program(&backdrop_shprog, &shdata);
 	renderer.set_texture("distant", &distant.get_target_texture(0), &wrap_sampler);
 	fullscreen_mesh.draw(renderer);
@@ -160,7 +173,8 @@ Sky::Planet::Planet():
 	ozone_band_center(1e4f),
 	ozone_band_extent(1e2f),
 	atmosphere_thickness(2e4f),
-	planet_radius(1e6f)
+	planet_radius(1e6f),
+	ground_albedo(0.2f)
 { }
 
 Sky::Planet Sky::Planet::earth()
@@ -179,5 +193,33 @@ Sky::Planet Sky::Planet::earth()
 	return planet;
 }
 
+
+Sky *Sky::Template::create(const map<string, Renderable *> &renderables) const
+{
+	Renderable *content = get_item(renderables, content_name);
+	if(!content || !sun)
+		throw invalid_operation("Sky::Template::create");
+
+	RefPtr<Sky> sky = new Sky(*content, *sun);
+	create_base(*sky);
+
+	return sky.release();
+}
+
+
+DataFile::Loader::ActionMap Sky::Template::Loader::shared_actions;
+
+Sky::Template::Loader::Loader(Template &t, Collection &c):
+	DerivedObjectLoader<Template, Effect::Template::Loader>(t, c)
+{
+	set_actions(shared_actions);
+}
+
+void Sky::Template::Loader::init_actions()
+{
+	Effect::Template::Loader::init_actions();
+	add("sun", &Template::sun);
+}
+
 } // namespace GL
 } // namespace Msp