Import irrlicht 1.8.4 release

include/SLight.h

@@ -0,0 +1,98 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __S_LIGHT_H_INCLUDED__
+#define __S_LIGHT_H_INCLUDED__
+
+#include "SColor.h"
+
+namespace irr
+{
+namespace video
+{
+
+//! Enumeration for different types of lights
+enum E_LIGHT_TYPE
+{
+	//! point light, it has a position in space and radiates light in all directions
+	ELT_POINT,
+	//! spot light, it has a position in space, a direction, and a limited cone of influence
+	ELT_SPOT,
+	//! directional light, coming from a direction from an infinite distance
+	ELT_DIRECTIONAL,
+
+	//! Only used for counting the elements of this enum
+	ELT_COUNT
+};
+
+//! Names for light types
+const c8* const LightTypeNames[] =
+{
+	"Point",
+	"Spot",
+	"Directional",
+	0
+};
+
+//! structure for holding data describing a dynamic point light.
+/** Irrlicht supports point lights, spot lights, and directional lights.
+*/
+struct SLight
+{
+	SLight() : AmbientColor(0.f,0.f,0.f), DiffuseColor(1.f,1.f,1.f),
+		SpecularColor(1.f,1.f,1.f), Attenuation(1.f,0.f,0.f),
+		OuterCone(45.f), InnerCone(0.f), Falloff(2.f),
+		Position(0.f,0.f,0.f), Direction(0.f,0.f,1.f),
+		Radius(100.f), Type(ELT_POINT), CastShadows(true)
+		{}
+
+	//! Ambient color emitted by the light
+	SColorf AmbientColor;
+
+	//! Diffuse color emitted by the light.
+	/** This is the primary color you want to set. */
+	SColorf DiffuseColor;
+
+	//! Specular color emitted by the light.
+	/** For details how to use specular highlights, see SMaterial::Shininess */
+	SColorf SpecularColor;
+
+	//! Attenuation factors (constant, linear, quadratic)
+	/** Changes the light strength fading over distance.
+	Can also be altered by setting the radius, Attenuation will change to
+	(0,1.f/radius,0). Can be overridden after radius was set. */
+	core::vector3df Attenuation;
+
+	//! The angle of the spot's outer cone. Ignored for other lights.
+	f32 OuterCone;
+
+	//! The angle of the spot's inner cone. Ignored for other lights.
+	f32 InnerCone;
+
+	//! The light strength's decrease between Outer and Inner cone.
+	f32 Falloff;
+
+	//! Read-ONLY! Position of the light.
+	/** If Type is ELT_DIRECTIONAL, it is ignored. Changed via light scene node's position. */
+	core::vector3df Position;
+
+	//! Read-ONLY! Direction of the light.
+	/** If Type is ELT_POINT, it is ignored. Changed via light scene node's rotation. */
+	core::vector3df Direction;
+
+	//! Read-ONLY! Radius of light. Everything within this radius will be lighted.
+	f32 Radius;
+
+	//! Read-ONLY! Type of the light. Default: ELT_POINT
+	E_LIGHT_TYPE Type;
+
+	//! Read-ONLY! Does the light cast shadows?
+	bool CastShadows:1;
+};
+
+} // end namespace video
+} // end namespace irr
+
+#endif
+