X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fmaterials%2Fpointlight.h;fp=source%2Fmaterials%2Fpointlight.h;h=074c8c37b61d208cdd76cf9a97a59bfa8b47c9b7;hp=0000000000000000000000000000000000000000;hb=adc26a2e141a2853b6c5025130c46a46cece4b84;hpb=e6e6f0fe81a2f92985e65ae0de708974194d81a3

diff --git a/source/materials/pointlight.h b/source/materials/pointlight.h
new file mode 100644
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--- /dev/null
+++ b/source/materials/pointlight.h
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+#ifndef MSP_GL_POINTLIGHT_H_
+#define MSP_GL_POINTLIGHT_H_
+
+#include "light.h"
+#include "vector.h"
+
+namespace Msp {
+namespace GL {
+
+/**
+A positional, omnidirectional light source.  The light's strength can be
+attenuated based on distance.
+*/
+class PointLight: public Light
+{
+public:
+	class Loader: public DataFile::DerivedObjectLoader<PointLight, Light::Loader>
+	{
+	private:
+		static ActionMap shared_actions;
+
+	public:
+		Loader(PointLight &);
+
+	private:
+		virtual void init_actions();
+
+		void attenuation(float, float, float);
+		void position(float, float, float);
+	};
+
+private:
+	Vector3 position;
+	float attenuation[3];
+
+public:
+	PointLight();
+
+private:
+	void update_matrix();
+
+public:
+	/** Sets the light's position from a matrix.  Only the translation part is
+	used. */
+	virtual void set_matrix(const Matrix &);
+
+	void set_position(const Vector3 &);
+	const Vector3 &get_position();
+
+	void set_attenuation(float, float, float);
+	const float *get_attenuation() const { return attenuation; }
+
+protected:
+	virtual void update_shader_data(ProgramData &, const std::string &) const;
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif