X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fmaterials%2Flighting.h;h=335e78872a23f2a0f9acfcf4b05ffddfa0fd2f56;hb=190a7e11237351f6b730c28f7b16f183e8adc69c;hp=d4e6b5942cc09d660857d661b2b8bb700e4d71e4;hpb=5008778dbb1840bf7c6d479800d2b932f8386fb2;p=libs%2Fgl.git

diff --git a/source/materials/lighting.h b/source/materials/lighting.h
index d4e6b594..335e7887 100644
--- a/source/materials/lighting.h
+++ b/source/materials/lighting.h
@@ -12,8 +12,9 @@ namespace GL {
 class Light;
 
 /**
-Encapsulates global lighting parameters and any number of individual light
-sources.
+Combines multiple light sources with global lighting parameters.
+
+This class also stores ProgramData for using the lights in shaders.
 */
 class Lighting
 {
@@ -24,7 +25,6 @@ public:
 		static ActionMap shared_actions;
 
 	public:
-		Loader(Lighting &);
 		Loader(Lighting &, Collection &);
 
 	private:
@@ -56,7 +56,8 @@ private:
 public:
 	Lighting();
 
-	/** Sets the ambient lighting color.  Affects all surfaces in the scene. */
+	/** Sets the ambient lighting color.  Affects all surfaces in an equal
+	amount. */
 	void set_ambient(const Color &);
 
 	const Color &get_ambient() const { return ambient; }
@@ -78,6 +79,8 @@ public:
 	/** Detaches a light source.  If the light was not attached, does nothing. */
 	void detach(const Light &);
 
+	int find_light_index(const Light &) const;
+
 	const ProgramData &get_shader_data() const;
 
 	void set_debug_name(const std::string &);