Fog serialization patch by pc0de.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2773 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IVideoDriver.h

@@ -132,6 +132,14 @@ namespace video
 		EFT_FOG_EXP2
 	};
 
+	const c8* const FogTypeNames[] =
+	{
+		"FogExp",
+		"FogLinear",
+		"FogExp2",
+		0
+	};
+
 	struct SOverrideMaterial
 	{
 		//! The Material values
@@ -912,6 +920,11 @@ namespace video
 				f32 start=50.0f, f32 end=100.0f, f32 density=0.01f,
 				bool pixelFog=false, bool rangeFog=false) =0;
 
+		//! Gets the fog mode.
+		virtual void getFog(SColor& color, E_FOG_TYPE& fogType,
+				f32& start, f32& end, f32& density,
+				bool& pixelFog, bool& rangeFog) = 0;
+
 		//! Get the current color format of the color buffer
 		/** \return Color format of the color buffer. */
 		virtual ECOLOR_FORMAT getColorFormat() const =0;

source/Irrlicht/CNullDriver.cpp

@@ -1402,6 +1402,18 @@ void CNullDriver::setFog(SColor color, E_FOG_TYPE fogType, f32 start, f32 end,
 	RangeFog = rangeFog;
 }
 
+//! Gets the fog mode.
+void CNullDriver::getFog(SColor& color, E_FOG_TYPE& fogType, f32& start, f32& end,
+		f32& density, bool& pixelFog, bool& rangeFog)
+{
+	color = FogColor;
+	fogType = FogType;
+	start = FogStart;
+	end = FogEnd;
+	density = FogDensity;
+	pixelFog = PixelFog;
+	rangeFog = RangeFog;
+}
 
 //! Draws a mesh buffer
 void CNullDriver::drawMeshBuffer(const scene::IMeshBuffer* mb)

source/Irrlicht/CNullDriver.h

@@ -216,6 +216,10 @@ namespace video
 				f32 start=50.0f, f32 end=100.0f, f32 density=0.01f,
 				bool pixelFog=false, bool rangeFog=false);
 
+		virtual void getFog(SColor& color, E_FOG_TYPE& fogType,
+				f32& start, f32& end, f32& density,
+				bool& pixelFog, bool& rangeFog);
+
 		//! get color format of the current color buffer
 		virtual ECOLOR_FORMAT getColorFormat() const;
 

source/Irrlicht/CSceneManager.cpp

@@ -2487,6 +2487,22 @@ void CSceneManager::serializeAttributes(io::IAttributes* out, io::SAttributeRead
 	out->addString	("Name", Name.c_str());
 	out->addInt	("Id", ID );
 	out->addColorf	("AmbientLight", AmbientLight);
+
+	// fog attributes from video driver
+	video::SColor color;
+	video::E_FOG_TYPE fogType;
+	f32 start, end, density;
+	bool pixelFog, rangeFog;
+
+	Driver->getFog(color, fogType, start, end, density, pixelFog, rangeFog);
+
+	out->addEnum("FogType", fogType, video::FogTypeNames);
+	out->addColorf("FogColor", color);
+	out->addFloat("FogStart", start);
+	out->addFloat("FogEnd", end);
+	out->addFloat("FogDensity", density);
+	out->addBool("FogPixel", pixelFog);
+	out->addBool("FogRange", rangeFog);
 }
 
 //! Reads attributes of the scene node.
@@ -2496,6 +2512,23 @@ void CSceneManager::deserializeAttributes(io::IAttributes* in, io::SAttributeRea
 	ID = in->getAttributeAsInt("Id");
 	AmbientLight = in->getAttributeAsColorf("AmbientLight");
 
+	// fog attributes
+	video::SColor color;
+	video::E_FOG_TYPE fogType;
+	f32 start, end, density;
+	bool pixelFog, rangeFog;
+	if (in->existsAttribute("FogType"))
+	{
+		fogType = (video::E_FOG_TYPE) in->getAttributeAsEnumeration("FogType", video::FogTypeNames);
+		color = in->getAttributeAsColorf("FogColor").toSColor();
+		start = in->getAttributeAsFloat("FogStart");
+		end = in->getAttributeAsFloat("FogEnd");
+		density = in->getAttributeAsFloat("FogDensity");
+		pixelFog = in->getAttributeAsBool("FogPixel");
+		rangeFog = in->getAttributeAsBool("FogRange");
+		Driver->setFog(color, fogType, start, end, density, pixelFog, rangeFog);
+	}
+
 	RelativeTranslation.set(0,0,0);
 	RelativeRotation.set(0,0,0);
 	RelativeScale.set(1,1,1);