X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Feffects%2Fsky.h;h=7d8933d4a65f4a6facbb7799fbb99f59293bc6bb;hb=6d2e2a0bb28496a8c25b441009bdd2a1a1e72d81;hp=5cc7bdaa668a6d6935be713f890f9c20991fc891;hpb=bb4638a8470b0be2f960709368ec0d360a64f8ac;p=libs%2Fgl.git

diff --git a/source/effects/sky.h b/source/effects/sky.h
index 5cc7bdaa..7d8933d4 100644
--- a/source/effects/sky.h
+++ b/source/effects/sky.h
@@ -2,21 +2,25 @@
 #define MSP_GL_SKY_H_
 
 #include "effect.h"
-#include "framebuffer.h"
 #include "programdata.h"
 #include "rendertarget.h"
 
 namespace Msp {
 namespace GL {
 
+class DirectionalLight;
 class Mesh;
-class Light;
 class Program;
 
 /**
-Renders a procedurally generated sky at the background.  Based on the paper
-"A Scalable and Production Ready Sky and Atmosphere Rendering Technique" by
-Sébastien Hillaire (https://sebh.github.io/publications/egsr2020.pdf).
+Renders a procedurally generated sky at the background.
+
+In addition to the background, the transmittance of the sun light is calculated
+to produce realistic lighting at dawn and dusk.
+
+Based on the techniques described in "A Scalable and Production Ready Sky and
+Atmosphere Rendering Technique" by Sébastien Hillaire
+(https://sebh.github.io/publications/egsr2020.pdf).
 */
 class Sky: public Effect
 {
@@ -40,8 +44,27 @@ public:
 		static Planet earth();
 	};
 
+	struct Template: Effect::Template
+	{
+		class Loader: public DataFile::DerivedObjectLoader<Template, Effect::Template::Loader>
+		{
+		private:
+			static ActionMap shared_actions;
+
+		public:
+			Loader(Template &, Collection &);
+		private:
+			virtual void init_actions();
+		};
+
+		DirectionalLight *sun = 0;
+
+		virtual Sky *create(const std::map<std::string, Renderable *> &) const;
+	};
+
 private:
-	const Light &sun;
+	Planet planet;
+	DirectionalLight &sun;
 	RenderTarget transmittance_lookup;
 	const Program &transmittance_shprog;
 	bool transmittance_lookup_dirty;
@@ -52,17 +75,22 @@ private:
 	const Sampler &sampler;
 	const Sampler &wrap_sampler;
 	mutable ProgramData shdata;
+	float view_height;
 	bool rendered;
 
 public:
-	Sky(Resources &, Renderable &, const Light &);
+	Sky(Renderable &, DirectionalLight &);
 
 	void set_planet(const Planet &);
 	void set_view_height(float);
 
+	Color get_transmittance(const Vector3 &);
+
 	virtual void setup_frame(Renderer &);
 	virtual void finish_frame();
 	virtual void render(Renderer &, Tag = Tag()) const;
+
+	virtual void set_debug_name(const std::string &);
 };
 
 } // namespace GL