X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Feffects%2Fsky.h;h=cb8403e77709ff0eb8ab81e9f306c3a4fa422e2b;hb=HEAD;hp=782aef1ceb1d0b0faa2c5e58a6407118834b0457;hpb=adc26a2e141a2853b6c5025130c46a46cece4b84;p=libs%2Fgl.git

diff --git a/source/effects/sky.h b/source/effects/sky.h
index 782aef1c..cb8403e7 100644
--- a/source/effects/sky.h
+++ b/source/effects/sky.h
@@ -13,9 +13,14 @@ class Mesh;
 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
 {
@@ -39,6 +44,24 @@ 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:
 	Planet planet;
 	DirectionalLight &sun;
@@ -51,6 +74,7 @@ private:
 	const Program &backdrop_shprog;
 	const Sampler &sampler;
 	const Sampler &wrap_sampler;
+	const Texture &dummy_texture;
 	mutable ProgramData shdata;
 	float view_height;
 	bool rendered;