X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fmaterials%2Flighting.h;h=335e78872a23f2a0f9acfcf4b05ffddfa0fd2f56;hp=2a8756c3e567442758a9372932d7e958c7214ee6;hb=HEAD;hpb=3b0cb993f410b05fc6309d41aa292f4e57c35519

diff --git a/source/materials/lighting.h b/source/materials/lighting.h
index 2a8756c3..335e7887 100644
--- a/source/materials/lighting.h
+++ b/source/materials/lighting.h
@@ -4,7 +4,6 @@
 #include <vector>
 #include <msp/geometry/angle.h>
 #include "color.h"
-#include "gl.h"
 #include "programdata.h"
 
 namespace Msp {
@@ -13,8 +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
 {
@@ -25,7 +25,6 @@ public:
 		static ActionMap shared_actions;
 
 	public:
-		Loader(Lighting &);
 		Loader(Lighting &, Collection &);
 
 	private:
@@ -35,44 +34,34 @@ public:
 		void fog_color(float, float, float);
 		void fog_density(float);
 		void fog_half_distance(float);
-		void horizon_angle(float);
 		void light(const std::string &);
 		void light_inline();
-		void light_inline_index(unsigned);
-		void sky_color(float, float, float);
-		void zenith_direction(float, float, float);
 	};
 
 private:
+	struct AttachedLight
+	{
+		const Light *light;
+		mutable unsigned generation;
+
+		AttachedLight(const Light *l): light(l), generation(0) { }
+	};
+
 	Color ambient;
-	Color sky_color;
-	Vector3 zenith_direction;
-	Geometry::Angle<float> horizon_angle;
 	Color fog_color;
 	float fog_density;
-	std::vector<const Light *> lights;
-	std::vector<Light *> owned_data;
+	std::vector<AttachedLight> lights;
+	mutable ProgramData shdata;
 
 public:
 	Lighting();
-	~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; }
 
-	/** Sets the color of the sky at zenith.  Has no effect without shaders. */
-	void set_sky_color(const Color &);
-
-	/** Sets the direction of the zenith.  Defaults to positive Z axis.  Has no
-	effect without shaders. */
-	void set_zenith_direction(const Vector3 &);
-
-	/** Sets the angle where skylight cuts off, counted from the true horizon.
-	Has no effect without shaders. */
-	void set_horizon_angle(const Geometry::Angle<float> &);
-
 	/** Sets the fog color, which is blended into distant surfaces. */
 	void set_fog_color(const Color &);
 
@@ -90,18 +79,11 @@ public:
 	/** Detaches a light source.  If the light was not attached, does nothing. */
 	void detach(const Light &);
 
-	DEPRECATED void attach(unsigned, const Light &l) { attach(l); }
-	DEPRECATED void detach(unsigned);
-
-	/** Returns an attached light.  If no light is attached at that index, null
-	is returned. */
-	DEPRECATED const Light *get_attached_light(unsigned) const;
+	int find_light_index(const Light &) const;
 
-	const std::vector<const Light *> &get_attached_lights() const { return lights; }
+	const ProgramData &get_shader_data() const;
 
-	/** Updates a ProgramData object with the uniforms for the Lighting,
-	including all attached light sources.  A view matrix must be passed in. */
-	void update_shader_data(ProgramData &, const Matrix &) const;
+	void set_debug_name(const std::string &);
 };
 
 } // namespace GL